1 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
3 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
4 (spu_resolve_overloaded_builtin): Check for non scalar instead
5 of vector type and check the function call argument type also for
7 Call build_function_call instead of spu_build_overload_builtin.
9 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
11 * config/spu/spu.c (array_to_constant): Correct the order of arguments
12 to the calls of hwint_to_const_double.
14 2006-12-07 Nick Clifton <nickc@redhat.com>
16 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
17 elf_record_gcc_switches.
19 2006-12-07 Andrew Macleod <amacleod@redhat.com>
21 * expr.c (string_constant): Account for non-zero lower bound arrays.
23 2006-12-07 Richard Guenther <rguenther@suse.de>
25 * builtins.c (expand_builtin_pow): Adjust predicates for
26 pow to cbrt expansion to unsafe math and !HONOR_NANS for
29 2006-12-07 Jan Hubicka <jh@suse.cz>
31 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
34 2006-12-07 Jan Hubicka <jh@suse.cz>
36 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
37 use fold_constant_to_binary; tolerate wrong type constants.
38 (value_intersect_p): Do just two tests.
40 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
42 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
43 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
44 lshifthi3): Use it, and fix the order of alternatives.
46 2006-12-07 Nick Clifton <nickc@redhat.com>
48 * common.opt (record-gcc-switches): New command line switch.
49 * target.h (print_switch_type): New enum.
50 (print_switch_fn_type): New typedef for a function pointer.
51 (struct gcc_target): Add record_gcc_switches and
52 record_gcc_switches_section fields.
53 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
55 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
57 * toplev.c (print_single_switch): Simplify by providing a
58 pointer to function that will format and output the switch
60 (print_switch_values): Likewise.
61 (print_to_asm_out_file): New function.
62 (print_to_stderr): New function.
63 (init_asm_output): If flag_record_gcc_switches is set then if
64 the target supports recording the switches then emit them into
65 the assembler output file, otherwise tell the user that the
66 switch is not supported.
67 * varasm.c (eld_record_gcc_switches): New function. Example
68 handler for the record_gcc_switches target hook.
69 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
71 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
72 * doc/invoke.texi (-frecord-gcc-switches): Document.
74 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
77 * sched-rgn.c (add_block1): Use correct initializer.
79 2006-12-07 Richard Guenther <rguenther@suse.de>
81 * tree-vect-transform.c (vectorizable_call): Fix leftover of
82 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
84 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
87 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
88 not GIMPLE_MODIFY_STMT.
90 2006-12-06 Jan Hubicka <jh@suse.cz>
92 * tree-vrp.c (operand_less_p): New.
93 (compare_values, value_inside_range): Rewrite in terms of
96 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
100 (length_immediate): Do not depend on cld type attribute.
101 (length_address): Ditto.
104 (cld): Remove insn pattern.
105 (strmov_singleop): Do not use DIRFLAG_REG.
106 (*strmovdi_rex_1): Ditto.
107 (*strmovsi_1): Ditto.
108 (*strmovsi_rex_1): Ditto.
109 (*strmovhi_1): Ditto.
110 (*strmovhi_rex_1): Ditto.
111 (*strmovqi_1): Ditto.
112 (*strmovqi_rex_1): Ditto.
114 (*rep_movdi_rex64): Ditto.
116 (*rep_movsi_rex64): Ditto.
118 (*rep_movqi_rex64): Ditto.
119 (strset_singleop): Ditto.
120 (*strsetdi_rex_1): Ditto.
121 (*strsetsi_1): Ditto.
122 (*strsetsi_rex_1): Ditto.
123 (*strsethi_1): Ditto.
124 (*strsethi_rex_1): Ditto.
125 (*strsetqi_1): Ditto.
126 (*strsetqi_rex_1): Ditto.
128 (*rep_stosdi_rex64): Ditto.
129 (*rep_stossi): Ditto.
130 (*rep_stossi_rex64): Ditto.
131 (*rep_stosqi): Ditto.
132 (*rep_stosqi_rex64): Ditto.
133 (cmpstrnsi): Do not generate cld insn.
134 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
135 (*cmpstrnqi_nz_1): Ditto.
136 (*cmpstrnqi_nz_rex_1): Ditto.
137 (cmpstrnqi_1): Ditto.
138 (*cmpstrnqi_1): Ditto.
139 (*cmpstrnqi_rex_1): Ditto.
141 (*strlenqi_1): Ditto.
142 (*strlenqi_rex_1): Ditto.
144 * config/i386/geode.md (shift): Do not depend on cld type attribute.
145 * config/i386/pentium.md (pent_cld): Remove insn reservation.
146 * config/i386/athlon.md (athlon_decode): Do not depend on cld
148 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
149 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
151 (k6_alux_only_load): Ditto.
152 (k6_alux_only_store): Ditto.
154 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
155 Do not emit cld instruction.
156 (ix86_expand_setmem): Ditto.
157 (ix86_expand_strlen): Do not emit cld instruction.
159 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
161 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
164 2006-12-06 Diego Novillo <dnovillo@redhat.com>
166 * gdbinit.in: Set complaints to 0.
168 2006-12-06 Jan Hubicka <jh@suse.cz>
170 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
171 ALONE_MEM_STAT_DECL): New macros.
172 * bitmap.h: Include statistics.h
173 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
174 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
175 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
176 * bitmap.c: Include hashtab.h
177 (bitmap_descriptor): New.
178 (bitmap_hash): New static variable
179 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
180 New static functions.
181 (bitmap_register): New.
182 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
183 bitmap_obstack_release): Do accounting.
184 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
186 (bitmap_gc_alloc_stat): Likewise.
187 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
188 (print_statistics, dump_bitmap_statistics): New functions.
189 * toplev.c (finalize): Dump bitmap statistics.
191 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
193 * reload1.c (delete_output_reload): Count occurrences in
194 CALL_INSN_FUNCTION_USAGE.
195 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
196 crashing at the end of the list.
198 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
200 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
201 Optimize to avoid marking more SMT's as used when they aren't.
203 2006-12-05 Eric Christopher <echristo@apple.com>
205 * config/i386/i386.c (x86_output_aligned_bss): Move out
206 of COMMON_ASM_OP ifdef.
208 2006-12-05 Eric Christopher <echristo@apple.com>
210 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
211 (STARTFILE_SPEC): Use.
212 (DARWIN_DYLIB1_SPEC): New.
213 (DARWIN_CRT1_SPEC): New.
214 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
216 * config/i386/darwin.h: Ditto.
217 * config/rs6000/darwin.h: Ditto.
219 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
221 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
222 * tree-complex.c (pass_lower_complex): Ditto.
223 * tree-ssa-ccp.c (pass_ccp): Ditto.
224 (pass_store_ccp): Ditto.
225 * tree-ssa-dom.c (pass_dominator): Ditto.
226 (pass_phi_only_cprop): Ditto.
227 * tree-sra.c (pass_sra): Ditto.
228 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
229 * tree-flow.h (updating_used_alone): Remove.
230 (updating_used_alone): Ditto.
231 * tree-ssa-alias.c (updating_used_alone): Remove variable.
232 (lhs_may_store_to): Remove function.
233 (recalculate_used_alone): Ditto.
234 (compute_may_aliases): Remove used_alone calculation.
235 * tree.h (struct tree_memory_tag): Remove is_used_alone and
236 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
237 * tree-pass.h (PROP_smt_usage): Remove.
238 * passes.c (execute_todo): Remove used alone recalculation.
239 (execute_one_pass): Ditto.
240 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
243 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
245 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
247 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
249 PR tree-optimization/14784
250 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
252 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
254 Merge from gimple-tuples-branch.
256 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
258 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
260 (s390_gimplify_va_arg): Same.
261 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
262 * config/sh/sh.c (sh_va_start): Same.
263 (sh_gimplify_va_arg_expr): Same.
264 * config/xtensa/xtensa.c (xtensa_va_start): Same.
265 (xtensa_gimplify_va_arg_expr): Same.
266 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
267 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
268 * config/mips/mips.c (mips_va_start): Same.
269 (mips_gimplify_va_arg_expr): Same.
271 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
273 * Merge from mainline at revision 119445.
275 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
277 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
279 (spu_gimplify_va_arg_expr): Same.
281 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
283 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
284 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
285 (xstormy16_expand_builtin_va_arg): Same.
287 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
289 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
290 to GIMPLE_MODIFY_STMT.
292 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
294 * config/alpha/alpha.c (va_list_skip_additions): Change all
295 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
296 (alpha_va_start): Same.
297 (alpha_gimplify_va_arg_1): Same.
298 (alpha_gimplify_va_arg): Same.
300 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
302 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
304 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
306 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
307 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
309 * tree-complex.c: Same.
310 * tree-pretty-print.c: Same.
314 * fold-const.c: Same.
315 * tree-ssa-dom.c: Same.
316 * tree-ssa-propagate.c: Same.
317 * tree-ssa-alias.c: Same.
318 * gimple-low.c: Same.
320 * c-pretty-print.c: Same.
322 * tree-inline.c: Same.
323 * tree-outof-ssa.c: Same.
324 * tree-ssa-structalias.c: Same.
325 * tree-ssa-reassoc.c: Same.
328 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
330 * tree.c (build2_stat): Fix comment.
332 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
334 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
335 TREE_OPERAND when appropriate.
337 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
339 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
340 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
341 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
342 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
343 not handle GIMPLE_MODIFY_STMT in the switch statement.
344 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
345 (java_gimplify_new_array_init): Same.
347 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
349 * gimplify.c (gimplify_omp_for): Allow gimple statements.
350 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
351 * fold-const.c (fold_binary): Allow gimple statements.
353 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
354 Rename from gfc_conv_descriptor_data_set.
355 Call gfc_add_modify instead of gfc_add_modify_expr.
356 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
357 Rename from gfc_conv_descriptor_data_set.
358 (gfc_conv_descriptor_data_set): New macro.
359 (gfc_conv_descriptor_data_set_tuples): New macros.
360 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
361 gfc_conv_descriptor_data_set_tuples.
362 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
363 Generate GIMPLE_MODIFY_STMT when appropriate.
364 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
365 (gfc_add_modify_expr): New macro.
366 (gfc_add_modify_stmt): New macro.
367 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
369 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
371 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
372 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
375 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
377 * Merge from mainline at revision 118200.
379 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
381 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
384 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
386 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
388 Also, add __extension__ to GCC versions.
389 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
390 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
393 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
395 * tree-complex.c (expand_complex_libcall): Adjust for
397 (expand_complex_comparison): Same.
398 * tree-pretty-print.c (dump_generic_node): Is_expr should include
399 GIMPLE_STMT_P statements.
400 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
402 (tree_mod_pow2_value_transform): Same.
403 (tree_mod_subtract_transform): Same.
404 * tree.c (build2_stat): Check for gimplified function in cfun.
405 * tree.h (DECL_GIMPLIFIED): Delete.
406 (struct tree_function_decl): Remove gimplified_flag.
407 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
408 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
409 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
410 (cxx_omp_clause_copy_ctor): Same.
411 (cxx_omp_clause_assign_op): Same.
412 * c-pretty-print.c (pp_c_conditional_expression): Same.
413 (pp_c_expression): Same.
414 * langhooks.c (lhd_omp_predetermined_sharing): Same.
415 * function.h (struct function): Add gimplified field.
416 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
418 (find_phi_replacement_condition): Same.
419 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
420 (gimplify_modify_expr_to_memset): Same.
421 (gimplify_init_ctor_eval_range): Same.
422 (gimplify_modify_expr_complex_part): Same.
423 (tree_to_gimple_tuple): Same.
424 (gimplify_modify_expr): Same.
425 (gimple_push_cleanup): Same.
426 (gimplify_omp_for): Same.
427 (gimplify_omp_atomic_pipeline): Same.
428 (gimplify_omp_atomic_mutex): Same.
429 (gimplify_expr): Same.
430 (gimplify_one_sizepos): Same.
431 (gimplify_function_tree): Same.
432 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
433 (vect_recog_widen_sum_pattern): Same.
434 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
435 (vect_create_epilog_for_reduction): Same.
436 (vectorizable_reduction): Same.
438 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
440 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
441 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
442 (ifc_temp_var): Same.
443 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
444 for gimple statements.
445 (vect_analyze_operations): Same.
446 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
447 * gimplify.c (gimplify_return_expr): Handle gimple statements.
448 * lambda-code.c (can_put_in_inner_loop): Same.
449 (can_put_after_inner_loop): Same.
450 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
451 (vect_create_data_ref_ptr): Same.
452 (vect_init_vector): Same.
453 (vect_get_vec_def_for_operand): Same.
454 (vect_create_epilog_for_reduction): Same.
455 (vectorizable_reduction): Same.
456 (vectorizable_assignment): Same.
457 (vectorizable_operation): Same.
458 (vectorizable_load): Same.
459 (vectorizable_condition): Same.
460 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
461 (rs6000_gimplify_va_arg): Same.
463 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
465 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
467 (simplify_abs_using_ranges): Same.
468 * tree-complex.c (expand_complex_operations_1): Use
469 PROTECTED_TREE_OPERAND.
470 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
472 (get_val_for): Use GIMPLE_STMT_OPERAND.
473 * tree-tailcall.c (adjust_accumulator_values): Same.
474 (adjust_return_value): Same.
475 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
476 case. Remove special case for tcc_gimple_stmt.
477 * tree.h (CAN_HAVE_LOCATION_P): New.
478 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
480 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
481 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
482 * tree-nrv.c (execute_return_slot_opt): Same.
483 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
484 * tree-vn.c (set_value_handle): Same.
485 (get_value_handle): Same.
486 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
487 * tree-vectorizer.c (find_loop_location): Same.
488 * c-typeck.c (c_process_expr_stmt): Same.
489 (c_finish_stmt_expr): Same.
490 * gimplify.c (should_carry_locus_p): Same.
491 (tree_to_gimple_tuple): Delete definition and use of unecessary
492 variable save_tree_block.
493 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
494 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
495 (realify_fake_stores): Same.
496 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
498 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
499 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
500 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
501 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
502 (c_parser_statement_after_labels): Same.
503 (c_parser_paren_condition): Same.
504 (c_parser_for_statement): Same.
505 (c_parser_omp_for_loop): Same.
506 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
507 (linearize_expr_tree): Same.
508 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
509 * function.c (instantiate_expr): Same.
511 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
513 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
514 (set_expr_location): Same.
516 (set_expr_locus): Same.
517 (expr_filename): Same.
519 (tree_block): Use GIMPLE_STMT_BLOCK.
520 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
521 * tree.h (struct gimple_stmt): Remove prev and next.
522 (GIMPLE_STMT_OPERAND_CHECK): New.
523 (TREE_TO_GIMPLE_STMT): Delete.
524 (GIMPLE_STMT_TO_TREE): Delete.
525 (GIMPLE_STMT_OPERAND): Use union, not cast.
526 (GIMPLE_STMT_LOCUS): New.
527 (GIMPLE_STMT_BLOCK): New.
528 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
530 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
532 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
534 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
536 * tree-tailcall.c (adjust_return_value): Same.
537 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
538 (copy_node_stat): Change common.base to base.
539 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
540 Remove GIMPLE_STATEMENT_LIST case.
541 * tree.h (struct gimple_stmt): Make operands of type tree.
542 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
543 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
544 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
545 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
546 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
547 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
548 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
549 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
550 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
551 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
552 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
553 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
554 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
555 Change common.base to base.
556 (GIMPLE_STATEMENT_LIST*): Remove.
557 (union tree_node): Add base. Remove gimple_statement_list.
558 Remove pointer from gstmt.
559 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
560 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
561 * tree-vn.c (vn_compute): Change common.base to base.
562 * tree-eh.c (verify_eh_throw_stmt_node): Same.
563 * tree-flow-inline.h (var_ann): Same.
564 (function_ann): Same.
566 (mark_non_addressable): Same.
567 * gimplify.c (tree_to_gimple_tuple): Same.
568 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
569 * tree-dfa.c (create_var_ann): Change common.base to base.
570 (create_function_ann): Same.
571 (create_stmt_ann): Same.
572 (create_tree_ann): Same.
573 (collect_dfa_stats_r): Same.
574 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
575 * tree-ssa-dce.c (NECESSARY): Same.
576 * tree-ssa.c (delete_tree_ssa): Same.
577 * tree-optimize.c (execute_free_cfg_annotations): Same.
580 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
582 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
583 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
585 * tree.h (struct gimple_stmt): Add prev and next fields.
586 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
587 (GIMPLE_STATEMENT_LIST_HEAD): New.
588 (GIMPLE_STATEMENT_LIST_TAIL): New.
589 (struct gimple_statement_list): New.
590 (union tree_node): Add gimple_stmt_list and gstmt.
591 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
592 * tree.def: Add GIMPLE_STATEMENT_LIST.
594 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
596 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
597 * tree-vrp.c (build_assert_expr_for): Change uses of
598 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
599 (find_assert_locations): Same.
600 (remove_range_assertions): Same.
601 (stmt_interesting_for_vrp): Same.
602 (vrp_visit_assignment): Same.
603 (vrp_visit_stmt): Same.
604 (simplify_cond_using_ranges): Same.
605 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
607 * tree-ssa-loop-im.c (movement_possibility): Change uses of
608 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
610 (determine_invariantness_stmt): Same.
612 (gather_mem_refs_stmt): Same.
613 * tree-complex.c (init_dont_simulate_again): Same.
614 (complex_visit_stmt): Same.
615 (set_component_ssa_name): Same.
616 (expand_complex_move): Same.
617 (expand_complex_div_wide): Same.
618 (expand_complex_comparison): Same.
619 (expand_complex_operations_1): Same.
620 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
621 (chain_of_csts_start): Same.
622 (infer_loop_bounds_from_undefined): Same.
623 * tree-pretty-print.c (dump_generic_node): Same.
626 * tree-ssa-loop-manip.c (create_iv): Same.
627 * value-prof.c (tree_divmod_fixed_value): Same.
628 (tree_divmod_fixed_value_transform): Same.
629 (tree_mod_pow2): Same.
630 (tree_mod_pow2_value_transform): Same.
631 (tree_mod_subtract): Same.
632 (tree_mod_subtract_transform): Same.
633 (tree_divmod_values_to_profile): Same.
634 * tree-tailcall.c (process_assignment): Same.
635 (find_tail_calls): Same.
636 (adjust_accumulator_values): Same.
637 (adjust_return_value): Same.
638 (eliminate_tail_call): Same.
639 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
640 (make_node_stat): Same.
641 (copy_node_stat): Handle gimple tuples.
642 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
643 (tree_node_structure): Handle tcc_gimple_stmt.
644 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
646 (build2_gimple_stat): New.
647 (expr_location): New.
648 (set_expr_location): New.
649 (expr_has_location): New.
651 (set_expr_locus): New.
652 (expr_filename): New.
654 (walk_tree): Handle tcc_gimple_stmt.
656 (protected_tree_operand): New.
657 (protected_tree_type): New.
658 (tree_code_kind): Add gimple statements.
659 * tree.h (tree_code_class): Add tcc_gimple_stmt.
660 (IS_GIMPLE_STMT_CODE_CLASS): New.
661 (struct tree_base): New.
662 (struct tree_common): Shrink.
663 (struct gimple_stmt): New.
664 (struct gimple_expr): New.
665 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
666 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
667 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
668 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
669 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
670 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
671 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
672 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
673 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
674 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
675 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
676 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
677 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
678 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
679 Adjust for new `common' layout.
680 (struct tree_function_decl): Add gimplified_flag.
681 (DECL_GIMPLIFIED): NEW.
682 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
683 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
684 EXPR_HAS_LOCATION): Call corresponding function.
685 (GIMPLE_STMT_CHECK): New.
686 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
687 (TREE_BLOCK): Call tree_block.
688 (GIMPLE_STMT_P): New.
689 (GIMPLE_TUPLE_P): New.
690 (TREE_TO_GIMPLE_STMT): New.
691 (GIMPLE_STMT_TO_TREE): New.
692 (GIMPLE_STMT_OPERAND): New.
693 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
694 (PROTECTED_TREE_OPERAND): New.
695 (PROTECTED_TREE_TYPE): New.
696 (build2_gimple_stat): Protoize.
697 (build2_gimple): New.
698 (expr_location): Protoize.
699 (set_expr_location): Protoize.
700 (expr_has_location): Protoize.
701 (expr_locus): Protoize.
702 (set_expr_locus): Protoize.
703 (expr_filename): Protoize.
704 (expr_lineno): Protoize.
705 (tree_block): Protoize.
706 (protected_tree_operand): Protoize.
707 (protected_tree_type): Protoize.
708 (enum tree_node_kind): Add gimple_stmt_kind.
709 * c-decl.c (union lang_tree_node): Tuples do not have a
711 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
712 GIMPLE_MODIFY_STMT and adjust accordingly.
713 * tree-scalar-evolution.c (follow_ssa_edge): Same.
714 (interpret_condition_phi): Same.
715 (pointer_used_p): Same.
716 (analyze_scalar_evolution_1): Same.
717 (scev_const_prop): Same.
718 (interpret_rhs_modify_stmt): Rename from
719 interpret_rhs_modify_expr.
720 * builtins.c (std_expand_builtin_va_start): Change uses of
721 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
722 (std_gimplify_va_arg_expr): Same.
723 (expand_builtin_va_copy): Same.
724 (integer_valued_real_p): Same.
725 * fold-const.c (maybe_lvalue_p): Same.
727 (tree_expr_nonnegative_p): Same.
728 (tree_expr_nonzero_p): Same.
729 * omp-low.c (extract_omp_for_data): Same.
730 (lower_rec_input_clauses): Same.
731 (lower_reduction_clauses): Same.
732 (lower_copyprivate_clauses): Same.
733 (lower_send_clauses): Same.
734 (lower_send_shared_vars): Same.
735 (expand_parallel_call): Same.
736 (expand_omp_parallel): Same.
737 (expand_omp_for_generic): Same.
738 (expand_omp_for_static_nochunk): Same.
739 (expand_omp_for_static_chunk): Same.
740 (expand_omp_sections): Same.
741 (lower_omp_single_copy): Same.
742 (lower_omp_parallel): Same.
743 * tree-ssa-dse.c (memory_address_same): Same.
744 (dse_optimize_stmt): Same.
745 * ipa-reference.c (scan_for_static_refs): Same.
746 * tree-gimple.c (is_gimple_reg_rhs): Same.
747 (get_call_expr_in): Same.
748 (recalculate_side_effects): Same.
749 * cgraphunit.c (cgraph_create_edges): Same.
750 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
751 * tree-ssa-ccp.c (get_default_value): Same.
752 (likely_value): Same.
753 (visit_assignment): Same.
754 (ccp_visit_stmt): Same.
755 (get_maxval_strlen): Same.
756 (ccp_fold_builtin): Same.
757 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
758 (find_givs_in_stmt): Same.
759 (find_interesting_uses_op): Same.
760 (find_interesting_uses_stmt): Same.
761 (rewrite_use_nonlinear_expr): Same.
762 * ipa-pure-const.c (scan_function): Same.
763 * tree-stdarg.c (va_list_counter_bump): Same.
764 (check_all_va_list_escapes): Same.
765 (execute_optimize_stdarg): Same.
766 * tree-ssa-math-opts.c (compute_merit): Same.
767 (insert_reciprocals): Same.
768 (execute_cse_reciprocals): Same.
769 * tree-ssa-dom.c (initialize_hash_element): Same.
770 (simple_iv_increment_p): Same.
771 (record_equivalences_from_stmt): Same.
772 (optimize_stmt): Same.
773 (remove_stmt_or_phi): Same.
774 (get_rhs_or_phi_arg): Same.
775 (get_lhs_or_phi_result): Same.
776 (propagate_rhs_into_lhs): Same.
777 * tree-nrv.c (tree_nrv): Same.
778 (execute_return_slot_opt): Same.
779 * tree-ssa-propagate.c (get_rhs): Same.
781 (stmt_makes_single_load): Same.
782 (stmt_makes_single_store): Same.
783 (replace_vuses_in): Same.
784 (fold_predicate_in): Same.
785 (substitute_and_fold): Same.
786 * tree-ssa-alias.c (compute_call_clobbered): Same.
787 (recalculate_used_alone): Same.
788 (count_uses_and_derefs): Same.
789 (is_escape_site): Same.
790 (find_used_portions): Same.
791 * gimple-low.c (lower_stmt): Same.
792 (block_may_fallthru): Same.
793 (lower_return_expr): Same.
794 * tree-ssa-sink.c (is_hidden_global_store): Same.
795 (statement_sink_location): Same.
796 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
797 * expr.c (safe_from_p): Same.
798 (expand_expr_real): Same.
799 (expand_expr_real_1): Same.
800 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
801 * predict.c (expr_expected_value): Same.
802 (strip_builtin_expect): Same.
803 (apply_return_prediction): Same.
804 (tree_bb_level_predictions): Same.
805 (tree_estimate_probability): Same.
806 * tree-vn.c (vn_compute): Same.
807 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
808 (remove_stmt_from_eh_region_fn): Same.
809 (do_return_redirection): Same.
810 (honor_protect_cleanup_actions): Same.
811 (lower_try_finally_switch): Same.
812 (lower_eh_constructs_1): Same.
813 (tree_could_throw_p): Same.
814 (verify_eh_throw_stmt_node): Same.
815 * function.c (gimplify_parameters): Same.
816 * tree-vectorizer.c (vect_is_simple_use): Same.
817 (vect_is_simple_reduction): Same.
818 * ipa-type-escape.c (scan_for_refs): Same.
819 * tree-if-conv.c (tree_if_conversion): Same.
820 (tree_if_convert_stmt): Same.
821 (if_convertible_gimplify_modify_stmt_p): Rename from
822 if_convertible_modify_expr_p.
823 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
824 (ifc_temp_var): Same.
825 (replace_phi_with_cond_modify_stmt): Rename from
826 replace_phi_with_cond_modify_expr.
827 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
828 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
829 * tree-data-ref.c (find_data_references_in_loop): Adjust for
831 * tree-flow-inline.h (var_ann): Same.
832 (function_ann): Same.
834 (mark_non_addressable): Same.
835 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
836 * gimplify.c (tree_to_gimple_tuple): New.
837 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
838 (gimplify_return_expr): Same.
839 (gimplify_decl_expr): Same.
840 (gimplify_self_mod_expr): Same.
841 (gimplify_cond_expr): Same.
842 (gimplify_init_constructor): Same.
843 (gimplify_modify_expr): Same.
844 (gimplify_expr): Same.
845 (gimplify_function_tree): Same.
846 (force_gimple_operand): Same.
847 * tree-ssa-phiopt.c (conditional_replacement): Same.
848 (minmax_replacement): Same.
849 (abs_replacement): Same.
850 * tree-dfa.c (create_var_ann): Same.
851 (create_function_ann): Same.
852 (create_stmt_ann): Same.
853 (create_tree_ann): Same.
854 (collect_dfa_stats_r): Same.
855 * tree-ssa-pre.c (find_or_generate_expression): Same.
856 (create_expression_by_pieces): Same.
857 (try_look_through_load): Same.
858 (insert_fake_stores): Same.
859 (realify_fake_stores): Same.
860 (compute_avail): Same.
863 (poolify_modify_stmt): Rename from poolify_modify_stmt.
864 Adjust for GIMPLE_MODIFY_STMT.
865 (NECESSARY): Adjust for new `common' layout.
866 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
868 * tree-sra.c (sra_walk_modify_stmt): Rename from
869 sra_walk_modify_expr.
870 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
871 (generate_copy_inout): Same.
872 (generate_element_copy): Same.
873 (generate_element_zero): Same.
874 (scalarize_copy): Same.
875 * tree-mudflap.c (mf_decl_cache_locals): Same.
876 (mf_build_check_statement_for): Same.
877 (mf_xform_derefs): Same.
878 * ipa-prop.c (ipa_method_modify_stmt): Same.
879 * print-tree.c (print_node): Handle gimple tuples.
880 Add case for tcc_gimple_stmt.
881 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
883 (copy_prop_visit_assignment): Same.
884 (copy_prop_visit_stmt): Same.
885 (init_copy_prop): Same.
886 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
887 (forward_propagate_into_cond_1): Same.
888 (find_equivalent_equality_comparison): Same.
889 (tidy_after_forward_propagate_addr): Same.
890 (forward_propagate_addr_expr_1): Same.
891 (simplify_not_neg_expr): Same.
892 (simplify_switch_expr): Same.
893 * tree-ssa-dce.c (find_pdom): Same.
894 (mark_stmt_if_obviously_necessary): Same.
895 (NECESSARY): Adjust for new `common' layout.
897 * tree-vect-patterns.c (widened_name_p): Adjust for
899 (vect_recog_dot_prod_pattern): Same.
900 (vect_recog_widen_sum_pattern): Same.
901 (vect_pattern_recog_1): Same.
902 * tree-nested.c (init_tmp_var): Same.
903 (save_tmp_var): Same.
905 (convert_call_expr): Same.
906 (finalize_nesting_tree_1): Same.
907 * tree-ssa.c (verify_ssa): Same.
908 (delete_tree_ssa): Same.
909 * lambda-code.c (lbv_to_gcc_expression): Same.
910 (lle_to_gcc_expression): Same.
911 (lambda_loopnest_to_gcc_loopnest): Same.
912 (can_put_in_inner_loop): Same.
913 (can_convert_to_perfect_nest): Same.
914 (perfect_nestify): Same.
915 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
916 * tree-inline.c (copy_body_r): Same.
917 (setup_one_parameter): Same.
918 (initialize_inlined_parameters): Same.
919 (estimate_num_insns_1): Same.
920 (expand_call_inline): Same.
921 (gimple_expand_calls_inline): Same.
923 * tree-optimize.c (execute_free_cfg_annotations): Same.
924 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
925 (vect_align_data_ref): Same.
926 (vect_create_data_ref_ptr): Same.
927 (vect_init_vector): Same.
928 (vect_create_epilog_for_reduction): Same.
929 (vectorizable_reduction): Same.
930 (vectorizable_assignment): Same.
931 (vectorizable_operation): Same.
932 (vectorizable_store): Same.
933 (vectorizable_load): Same.
934 (vectorizable_live_operation): Same.
935 (vectorizable_condition): Same.
936 (vect_generate_tmps_on_preheader): Same.
937 (vect_create_cond_for_align_checks): Same.
938 * tree-object-size.c (collect_object_sizes_for): Same.
939 (check_for_plus_in_loops_1): Same.
940 (check_for_plus_in_loops): Same.
941 * tree-outof-ssa.c (insert_copy_on_edge): Same.
942 (replace_use_variable): Same.
943 (check_replaceable): Same.
944 (rewrite_trees): Same.
945 (identical_copies_p): Same.
946 (insert_backedge_copies): Same.
947 * tree-profile.c (tree_gen_edge_profiler): Same.
948 * tree-vect-generic.c (expand_vector_operations_1): Same.
949 * tree-ssa-structalias.c (update_alias_info): Same.
950 (find_func_aliases): Same.
951 * tree-cfg.c (factor_computed_gotos): Same.
953 (make_goto_expr_edges): Same.
954 (tree_merge_blocks): Same.
955 (remove_useless_stmts_cond): Same.
956 (remove_useless_stmts_1): Same.
957 (tree_find_edge_insert_loc): Same.
959 (gimplify_val): Same.
960 (verify_gimple_tuples_1): New.
961 (verify_gimple_tuples): New.
962 (verify_stmts): Call verify_gimple_tuples.
963 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
964 (get_unary_op): Same.
965 (linearize_expr): Same.
966 (get_single_immediate_use): Same.
967 (negate_value): Same.
968 (should_break_up_subtract): Same.
969 (break_up_subtract): Same.
970 (repropagate_negates): Same.
971 (break_up_subtract_bb): Same.
972 (reassociate_bb): Same.
973 * config/i386/i386.c (ix86_va_start): Same.
974 (ix86_gimplify_va_arg): Same.
975 * stmt.c (expand_expr_stmt): Same.
976 (warn_if_unused_value): Same.
977 (expand_return): Same.
978 * tree-ssanames.c (make_ssa_name): Same.
979 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
980 * tree-ssa-operands.c (finalize_ssa_defs): Same.
981 (add_virtual_operand): Same.
982 (get_expr_operands): Same.
983 (parse_ssa_operands): Same.
984 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
986 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
988 * config.host: Remove extra blank line.
990 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
992 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
993 target is also an x86 variant.
995 2006-12-05 Richard Guenther <rguenther@suse.de>
997 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
998 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
999 (ix86_builtin_vectorized_function): New function to vectorize
1002 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1004 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1005 ia64_override_options.
1007 2006-12-04 Jan Hubicka <jh@suse.cz>
1009 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1012 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1014 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1015 * config/bfin/bfin.c: Include "timevar.h".
1016 (bfin_flag_schedule_insns2, splitting_for_sched,
1017 bfin_flag_var_tracking): New variables.
1018 (print_operand): Handle '%!'.
1019 (override_options): Disable normal sched2 pass, instead set
1020 bfin_flag_schedule_insns2 for reorg to handle it.
1021 (output_file_start): Likewise for var-tracking.
1022 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1023 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1025 (bfin_reorg): Do second scheduling pass here, and call
1026 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1027 of examining insns directly. If bfin_flag_var_tracking, call
1028 var-tracking pass when done with everything else.
1029 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1030 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1031 (movsi_insn32): New pattern, with two new splits to create it
1032 before the final scheduling pass.
1033 (neghi2): Not a dsp32 insn, rather alu0.
1034 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1035 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1036 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1037 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1038 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1039 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1040 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1041 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1042 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1043 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1044 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1045 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1046 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1047 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1048 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1049 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1050 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1051 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1052 variants instead of ';'.
1053 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1054 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1055 (align8, align16, align24): Now named patterns; also using '%!'.
1058 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1060 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1061 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1063 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1065 * config/spu/spu-protos.c (spu_split_address): Add.
1066 * config/spu/spu.c (spu_split_address): Add.
1067 (print_operand): Handle HIGH.
1068 (spu_legitimate_address): Don't test for aligned CONST.
1069 (spu_expand_mov): Don't split addresses here.
1070 * config/spu/constraints.md (A): Don't test legitimate_const.
1071 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1072 (ceq_di): Use correct predicates.
1074 2006-12-04 Eric Christopher <echristo@apple.com>
1076 * config/darwin.h: Update copyright notice.
1077 * config/i386/darwin.h: Ditto.
1079 2006-12-04 Jan Hubicka <jh@suse.cz>
1081 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1082 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1084 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1086 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1088 * tree-ssa-structalias.c (set_used_smts): Export.
1089 (find_what_p_points_to): Don't call set_used_smts here.
1090 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1092 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1094 * tree-ssa-alias.c (compute_may_aliases):
1095 Compute flow sensitive before flow insensitive.
1096 (compute_flow_sensitive_aliasing): Don't try to add
1097 a symbol memory tag to itself.
1099 * alias.h (alias_set_subset_of): New prototype.
1101 * alias.c (alias_set_subset_of): New function.
1103 * tree-ssa-structalias.c: Update comments.
1104 (struct variable_info): Add finished_solution.
1105 (new_varinfo): Set finished solution to NULL.
1106 (var_escaped_vars): Remove.
1107 (escaped_vars_tree): Remove.
1108 (escaped_vars_id): Remove.
1109 (nonlocal_vars_id): Remove.
1110 (constraint_expr_type): Add INCLUDES.
1111 (graph_size): Removed.
1112 (dump_constraint): Support INCLUDES.
1113 (build_constraint_graph): Ditto.
1114 (collapse_nodes): Add merge_solutions argument.
1115 Don't merge attributes.
1116 (process_unification_queue): Just use collapse_nodes.
1117 (perform_var_substitution): Update call to collapse_nodes.
1118 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1119 (process_constraint): Fix non-field sensitive handling
1121 (get_constraint_for): Use INCLUDES.
1122 (make_constraint_from_anything): Renamed from
1123 make_constraint_from_escaped.
1124 (make_constraint_to_escaped): Removed.
1125 (find_global_initializers): Removed.
1126 (create_variable_info_for): Do not make constraints to escaped
1128 (dump_solution_for_var): Don't print out the equivalent points-to
1129 sets, just use the name of the variable it shares it with.
1130 (intra_create_variable_infos): Use INCLUDES.
1131 Change nonlocal variable sets to anything sets.
1132 (init_base_vars): Remove escaped_vars and nonlocal_var
1134 (find_escape_constraints): Removed.
1135 (delete_points_to_sets): Remove dead code.
1136 (used_smt_calculated): New variable.
1137 (set_used_smts): New function.
1138 (merge_smts_into): New function.
1139 (find_what_p_points_to): Modify to use SMTs.
1140 (create_nonlocal_var): Remove.
1142 * tree-ssa-operands.c (access_can_touch_variable): Remove
1143 reference to nonlocal_all.
1145 * tree-ssa.c (verify_name_tags): Remove.
1147 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1149 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1150 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1152 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1154 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1155 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1156 (add_livein_if_notdef): Delete.
1157 (loe_visit_block): New. Propogate live on entry info for a block into
1158 each predecessor. If it changes, make sure it is visited again.
1159 (live_worklist): Visit every block and update the live on entry info
1160 for preds. Iterate over any that changed.
1161 (set_var_live_on_entry): Populate the live on entry blocks with bits
1162 based on the immediate uses of a var.
1163 (calculate_live_on_entry): Remove.
1164 (calculate_live_on_exit): Calculate live on exit based on the newly
1165 oriented live on entry bits.
1166 (calculate_live_ranges): Build live on entry and exit vectors.
1167 (dump_live_info): Use new orientation of live on entry bitmaps.
1168 (verify_live_on_entry): New. Split out verification code from old
1169 calculate_live_on_entry routine.
1170 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1171 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1172 basic_block instead of for a partition.
1173 (live_merge_and_clear): Add asserts.
1174 (make_live_on_entry): Set partition bit in basic block vector.
1176 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1179 * omp-low.c (expand_omp_for_static_nochunk,
1180 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1184 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1185 parallels if region->exit or region->inner->exit is NULL.
1186 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1188 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1189 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1190 or region->exit is NULL.
1191 (expand_omp_sections): Handle NULL region->cond or region->exit.
1194 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1196 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1197 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1199 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1201 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1202 TYPE_MAX_VALUE for scalar types here but...
1203 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1204 is attached an error mark, and the return value of the callback
1205 if it is not NULL_TREE.
1207 2006-12-04 Ben Elliston <bje@au.ibm.com>
1209 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1211 2006-12-03 Eric Christopher <echristo@apple.com>
1214 * config/t-slibgcc-darwin: Pass -install_name.
1215 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1216 libtool. Only pass through options that the linker recognizes.
1217 (LINK_SPEC): Update comment. Translate options.
1218 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1219 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1221 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1223 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1225 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1228 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1229 operands[1] in insn constraint. Correct type attribute to sselog1.
1231 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1234 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1236 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1237 processor detection.
1239 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1240 -march=native if there is no -mtune=*.
1242 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1245 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1247 * doc/install.texi: Update recommended MPFR version. Remove
1248 obsolete reference to cumulative patch.
1250 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1253 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1255 2006-11-30 Jan Hubicka <jh@suse.cz>
1256 Uros Bizjak <ubizjak@gmail.com>
1258 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1259 32bit memcpy/memset decriptors.
1260 (decide_alg): With -minline-all-stringops and sizes that are best
1261 to be copied via libcall still work hard enough to pick non-libcall
1264 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1266 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1268 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1269 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1270 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1271 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1272 config/spu/spu-c.c, config/spu/spu-modes.def,
1273 config/spu/spu.c, config/spu/spu.md,
1274 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1275 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1276 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1277 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1278 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1279 spelling conventions.
1281 * config/i386/i386.c: Fix a comment typo.
1283 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1285 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1286 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1287 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1288 better optimization.
1289 (floatv4siv4sf2): New.
1290 (fix_truncv4sfv4si2): New.
1291 (floatunsv4siv4sf2): New.
1292 (fixuns_truncv4sfv4si2): New.
1300 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1301 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1302 spu_resolve_overloaded_builtin instead of static inline functions.
1304 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1306 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1307 type instead of the size of its mode to compute the highest and
1308 lowest possible values. Still check the size of the mode before
1309 flipping the signedness of the comparison.
1311 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1313 * config/spu/predicates.md (spu_mov_operand): Add.
1314 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1315 (print_operand_address, print_operand): Handle addresses containing AND.
1316 (spu_split_load, spu_split_store): Use updated movti pattern.
1317 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1318 stores in mov patterns for correct operation of reload.
1319 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1321 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1324 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1326 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1328 * common.opt (ftree-combine-temps): Remove.
1329 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1330 (coalesce_ssa_name): Don't check for combine-temps.
1331 (coalesce_vars): Remove.
1332 (check_replaceable): Use num_imm_uses.
1333 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1334 check for combine-temps.
1335 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1336 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1337 to register_ssa_partition calls.
1338 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1339 (init_var_map, delete_var_map): remove refernces to ref_count.
1340 (create_ssa_var_map): Never calculate a ref count.
1341 (type_var_init): Remove.
1342 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1343 (SSA_VAR_MAP_REF_COUNT): Delete.
1344 (create_ssa_var_map): Change Prototype to have no parameters.
1345 (version_ref_count): Delete.
1346 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1348 (type_var_num, type_var, type_var_first_partition,
1349 type_var_next_partition, type_var_dump, type_var_delete,
1350 type_var_remove_partition, type_var_find, type_var_compact,
1351 type_var_decompact): Remove.
1353 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1355 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1358 2006-12-01 Richard Guenther <rguenther@suse.de>
1361 * dwarf2out.c (struct pubname_struct): Make name const.
1362 (add_pubtype): Do not xstrdup identifiers.
1364 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1366 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1367 multiword accesses are in range.
1369 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1371 PR tree-optimization/29921
1372 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1373 (set_lattice_value): Use canonicalize_float_value.
1375 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1377 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1378 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1379 (spu_cpu_cpp_builtins): Remove.
1380 (spu_override_options): Don't set warn_main.
1381 (spu_force_reg): Move from spu-c.c.
1382 (spu_check_builtin_parm): Likewise.
1383 (expand_builtin_args): Likewise.
1384 (spu_expand_builtin_1): Likewise.
1385 (spu_expand_builtin): Likewise.
1386 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1387 warn_main and targetm.resolve_overloaded_builtin.
1388 * config/spu/spu-c.c (spu_builtin_range): Remove.
1389 (spu_check_builtin_parm): Remove.
1390 (expand_builtin_args): Remove.
1391 (spu_expand_builtin_1): Remove.
1392 (spu_expand_builtin): Remove.
1393 (spu_cpu_cpp_builtins): Moved from spu.c
1394 (spu_force_reg): Remove.
1396 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1397 David Edelsohn <edelsohn@gnu.org>
1400 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1401 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1402 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1403 HARD_REGNO_NREGS_WITH_PADDING): Define.
1404 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1405 HARD_REGNO_NREGS_WITH_PADDING): Define.
1406 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1407 Use new macros to detect modes with holes; do not look at integer
1409 (subreg_offset_representable_p): Check for and disallow cases
1410 where the modes use different numbers of bits from registers.
1411 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1412 constant for soft-float.
1413 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1415 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1416 in E500 double case.
1417 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1418 (movtf_softfloat): New.
1420 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1422 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1423 simplify_gen_subreg.
1425 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1427 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1428 (COALESCE_HASH_FN): New. Define hash function.
1429 (partition_pair_map_hash): New. Hash value for a partition pair.
1430 (partition_pair_map_eq): New. Equality for hash pairs.
1431 (create_coalesce_list): Create hash table.
1432 (delete_coalesce_list): Free hash table.
1433 (find_partition_pair): Find/create pairs in hash table.
1434 (compare_pairs): Sort pairs in ascending order now.
1435 (num_coalesce_pairs): New. Number of pairs in hash table.
1436 (struct partition_pair_iterator): Iterator struct for pair table.
1437 (first_partition_pair): Iterator function for first pair.
1438 (end_partition_pair_p): Iterator function for end of iteration.
1439 (next_partition_pair): Iterator function for next pair.
1440 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1441 (sort_coalesce_list): Sort pairs from hash table into an array.
1442 (pop_best_coalesce): Take pairs from the array.
1443 (dump_coalesce_list): Update to use hash table or sorted array.
1444 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1445 (struct coalesce_list_d): Add hash table related fields.
1447 2006-11-30 Jan Hubicka <jh@suse.cz>
1450 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1451 memmove/bcopy->memcpy conversion.
1453 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1455 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1456 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1457 Default is the largest alignment supported for 32-bit ELF and
1458 representable on a 32-bit host.
1460 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1462 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1464 2006-11-30 Jan Hubicka <jh@suse.cz>
1466 * tree-ssa-operands.h (struct ssa_operands): New.
1467 * tree-flow-inline.h (gimple_ssa_operands): New function.
1468 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1469 * Makefile.in: Remove gt-tree-ssa-operands.h
1470 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1471 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1472 operand_memory, operand_memory_index, ops_active): Remove statics.
1473 (ALLOC_OPTYPE): Update.
1474 (operand_build_sort_virtual): Update.
1475 (ssa_operands_active): Update.
1476 (init_ssa_operands): Update.
1477 (fini_ssa_operands): Update.
1478 (ssa_operand_alloc): Update.
1479 (INITIALIZE_USE): Update.
1480 (finalize_ssa_use_ops): Update.
1481 (finalize_ssa_v_may_def_ops): Update.
1482 (finalize_ssa_vuse_ops): Update.
1483 (finalize_ssa_v_must_def_ops): Update.
1485 2006-11-30 Richard Guenther <rguenther@suse.de>
1487 * tree-vectorizer.h (vectorizable_function): Export.
1488 * tree-vect-transform.c (vectorizable_function): Likewise.
1489 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1490 type_in to scalar type in recognition of squaring.
1491 Make sure the target can vectorize sqrt in recognition
1492 of sqrt, set type_in to vector type in this case.
1494 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1496 * config/i386/i386.md (R10_REG): New constant.
1497 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1498 (ix86_emit_restore_regs_using_mov): Ditto.
1499 (ix86_expand_call): Ditto.
1500 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1502 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1504 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1505 * alias.c (canon_true_dependence): Update comment.
1507 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1509 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1510 at the end of a diagnostics message.
1512 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1513 until after asserting that it was allocated in the right pool.
1515 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1516 successor edge information as well. Make output of live regs
1517 on exit consistent with live regs on entry.
1519 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1522 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1523 insn patterns for TARGET_80387.
1524 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1525 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1526 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1527 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1528 Generate truncxf<mode>2 insn patterns for strict SSE math.
1530 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1532 * config/i386/i386.md (movsf_1): Enable pattern for standard
1533 80387 constants before reload when optimizing for size.
1534 (*movdf_nointeger, *movdf_integer): Ditto.
1535 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1536 80387 constants before reload when not optimizing for size.
1538 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1539 extension of XFmode input operands.
1541 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1543 * config/spu/crt0.c (__dso_handle): Define.
1545 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1547 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1548 when clearing the used flags.
1550 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1552 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1554 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1557 * config/spu/spu.md (extend_compare<mode>): New pattern.
1558 (extend_compare): Change to expand and use the above pattern.
1560 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1562 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1564 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1565 (DFP_INIT_ROUNDMODE): Define.
1566 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1567 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1569 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1571 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1572 Update documentation.
1573 (associate_line_notes_with_blocks): Kill.
1574 (extend_bb): Remove basic block argument, put void instead.
1575 Remove line number handling for each bb.
1576 (save_line_notes): Kill.
1577 (restore_line_notes): Kill.
1578 (sched_init): Remove line_note_head initialization.
1579 Change extend_bb call.
1580 (sched_finish): Remove free of line_note_head.
1581 (add_block): Change extend_bb call.
1582 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1583 rm_line_notes and restore_line_notes calls.
1584 (schedule_ebbs): Remove rm_redundant_line_notes.
1585 * sched-int.h (struct haifa_insn_data): Remove line_note.
1586 (save_line_notes): Remove declaration.
1587 (restore_line_notes): Remove declaration.
1588 * modulo-sched.c (loop_canon_p): Update debug info printing
1589 by using insn locators instead of line note.
1590 (sms_schedule): Update debug info printing, by using insn
1591 locators instead of line note.
1592 * sched-rgn.c (debug_dependencies): Remove handling of case
1593 n>0 (line number), since it's a dead code.
1594 (schedule_region): Remove save_line_notes and
1595 restore_line_notes calls.
1597 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1599 * config/rs6000/predicates.md (gpc_reg_operand): Check
1600 invalid_e500_subreg.
1601 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1602 SImode subregs of SPE vectors.
1603 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1604 * jump.c (true_regnum): Require subregs to satisfy
1605 subreg_offset_representable_p.
1607 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1608 Steven Bosscher <stevenb.gcc@gmail.com>
1610 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1611 since it no longer exists.
1613 2006-11-29 Duncan Sands <baldrick@free.fr>
1615 PR tree-optimization/23744
1616 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1618 2006-11-29 Duncan Sands <baldrick@free.fr>
1620 PR tree-optimization/23744
1621 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1623 2006-11-29 Duncan Sands <baldrick@free.fr>
1625 PR tree-optimization/23744
1626 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1628 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1630 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1632 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1634 * sh.opt (minline-ic_invalidate): New option.
1635 (musermode): Adjust comment.
1636 * sh.c (sh_initialize_trampoline): Emit library call unless
1637 is set; if it is set, don't emit library call if we can use icbi
1639 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1640 icbi for TARGET_SH4_300.
1641 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1642 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1643 -musermode documentation.
1645 2006-11-29 Jim Tison <jtison@us.ibm.com>
1647 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1648 __gthread_recursive_mutex_init): Define.
1650 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1652 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1653 STRICT_ALIGNMENT and the type is more aligned than the saved
1654 registers, copy via a temporary.
1656 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1659 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1662 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1664 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1666 2006-11-28 Jan Hubicka <jh@suse.cz>
1668 Privatize SSA variables into gimple_df.
1669 * tree-flow-inline.h
1670 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1671 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1672 gimple_nonlocal_all): New accessors.
1673 (first_referenced_var): Update.
1674 (mark_stmt_modified): Update.
1675 (is_call_clobbered): Update.
1676 (mark_call_clobbered): Update.
1677 (clear_call_clobbered): Update.
1678 (mark_non_addressable): Update.
1679 * tree-vrp.c (get_value_range): Update.
1680 * tree-into-ssa.c (in_ssa_p): Kill.
1681 (get_default_def_for): Update.
1682 (rewrite_into_ssa): Update.
1683 * tree-complex.c (init_parameter_lattice_values): Update.
1684 (update_complex_assignment): Update.
1685 (update_parameter_components): Update.
1686 (expand_complex_libcall): Update.
1687 (expand_complex_operations_1): Update.
1688 * tree-tailcall.c (arg_needs_copy_p): Update.
1689 (add_virtual_phis): Update.
1690 (tree_optimize_tail_calls_1): Update.
1691 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1692 * tree-ssa-copyrename.c
1693 (copy_rename_partition_coalesce): Update.
1694 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1695 * tree-ssa-propagate.c (set_rhs): Update.
1696 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1697 addressable_vars, global_var):Kill.
1698 (set_initial_properties): Update.
1699 (init_alias_info): Update.
1700 (finalize_ref_all_pointers): Update.
1701 (setup_pointers_and_addressables): Update.
1702 (maybe_create_global_var): Update.
1703 (create_global_var): Update.
1704 (dump_points_to_info): Update.
1705 * function.h (struct gimple_df): Forward declare.
1706 (struct function): Add GIMPLE_DF field.
1707 * gimplify.c (force_gimple_operand): Update.
1708 * tree-dfa.c (referenced_vars, default_defs): KIll.
1709 (make_rename_temp): Update.
1710 (dump_variable): Update.
1711 (referenced_var_lookup): Update.
1712 (referenced_var_check_and_insert): Update.
1713 (default_def): Rename to ...
1714 (gimple_default_def): ... this one; accept cfun argument.
1715 (set_default_def): Update.
1716 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1717 (cleanup_control_flow): Update.
1718 * tree-ssa-pre.c (compute_avail): Update
1719 * tree-ssa-live.c (calculate_live_on_entry): Update.
1720 * tree-ssa.c (verify_use): Update.
1721 (verify_call_clobbering): Update.
1722 (verify_call_clobbering): Update.
1723 (init_tree_ssa): Update.
1724 (delete_tree_ssa): Update.
1725 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1726 (rewrite_out_of_ssa): Update.
1727 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1728 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1730 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1731 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1732 addressable_vars, aliases_computed_p): Kill.
1733 (default_def): Rename to...
1734 (gimple_default_def): ... this one.
1735 (defaule_def_fn): Kill.
1736 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1737 * tree-ssa-structalias.c (nonlocal_all): Kill.
1738 (get_constraint_exp_from_ssa_var): Update.
1739 (create_nonlocal_var): Update.
1740 (get_constraint_for): Update.
1741 (update_alias_info): Update.
1742 (find_global_initializers): Update.
1743 (intra_create_variable_infos): Update.
1744 (intra_create_variable_infos):
1745 (find_what_p_points_to): Update.
1746 (init_alias_heapvars): Update.
1747 * tree-cfg.c (remove_bb): Update.
1748 (gimplify_val): Update.
1749 * tree-ssa-reassoc.c (get_rank): Update.
1750 (init_reassoc): Update.
1751 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1752 (ssa_names, free_ssanames): Kill.
1753 (init_ssanames): Update.
1754 (make_ssa_name): Update.
1755 (release_ssa_name): Update.
1756 (release_defs): Update.
1757 (replace_ssa_name_symbol): Update.
1758 * tree-ssa-operands.c (access_can_touch_variable): Update.
1759 (add_virtual_operand): Update.
1760 (add_call_clobber_ops): Update.
1761 (add_call_read_ops): Update.
1762 (get_call_expr_operands): Update.
1763 (get_asm_expr_operands): Update.
1765 2006-11-28 Jan Hubicka <jh@suse.cz>
1767 * builtins.c: Include tree-flow.h.
1768 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1769 assignment; convert memmove to memcpy for sizes greater than 1 where
1770 alignment of operands prohibit the partial overlap.
1772 2006-11-28 Jan Hubicka <jh@suse.cz>
1774 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1775 * cgraph.c (dump_cgraph_node): Dump stack usage.
1776 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1777 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1778 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1779 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1780 (cgraph_check_inline_limits): Limit stack growth.
1781 * cfgexpand.c: Include tree-inline.h.
1782 (account_stack_vars): New function.
1783 (expand_one_var): New param to just account the stack; return estimated
1785 (expand_used_vars_for_block): Update call of expand_one_var.
1786 (account_used_vars_for_block): New function.
1787 (estimated_stack_frame_size): Likewise.
1788 (init_vars_expansion, fini_vars_expansion): Break out from..
1789 (expand_used_vars): ... here.
1790 * tree-inline.h (estimated_stack_frame_size): Declare.
1791 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1793 2006-11-28 Richard Guenther <rguenther@suse.de>
1795 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1796 unsigned long for printing OBJECT_SIZE.
1798 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1800 * alias.c (init_alias_analysis): Remove simplification loop
1801 after propagating pointers.
1803 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1805 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1808 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1810 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1812 2006-11-27 Roger Sayle <roger@eyesopen.com>
1813 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1815 * c-common.c (constant_fits_type_p): Delete.
1816 (unsigned_conversion_warning): Delete.
1817 (conversion_warning): Integrate Wconversion warning from
1818 unsigned_conversion_warning.
1819 (convert_and_check): Integrate Woverflow warning from
1820 unsigned_conversion_warning. Reorganize and simplify to avoid
1821 dependence upon the middle-end setting TREE_OVERFLOW on integral
1822 conversions, by using int_fits_type_p directly.
1824 2006-11-27 Tobias Burnus <burnus@net-b.de>
1826 * doc/invoke.texi: Fixed typo.
1828 2006-11-27 Michael Matz <matz@suse.de>
1829 Andreas Krebbel <krebbel1@de.ibm.com>
1832 * config/s390/predicates.md (larl_operand): Check addend of larl
1833 operand to be in range of -/+2GB.
1834 * config/s390/s390.c (legitimize_pic_address): Likewise.
1835 Changed type of variable even to HOST_WIDE_INT.
1837 2006-11-27 Jan Hubicka <jh@suse.cz>
1839 * expr.c (emit_block_move_via_libcall): Export.
1840 (clear_storage_via_libcall): Rename to ...
1841 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1842 (clear_storage): Update to set_storage_via_libcall.
1843 * expr.h (emit_block_move_via_libcall): Declare
1844 * config/i386/i386.h (stringop_alg): New enum.
1845 (MAX_STRINGOP_ALGS): New constant.
1846 (stringop_algs): New struct.
1847 (processor_costs): Add memcpy/memset descriptors.
1848 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1849 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1850 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1852 * config/i386/i386.opt (minline-stringops-dynamically,
1853 mstringop-strategy): New
1855 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1856 (ix86_expand-clrmem): Rename to ...
1857 (ix86_expand_setmem): ... this one; update prototype.
1858 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1859 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1860 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1861 nocona_cost, core2_cost, generic_cost, generic64_cost,
1862 generic32_cost): Add memcpy/memset descriptors.
1863 (x86_rep_movl_optimal): Remove.
1864 (stringop_alg): New static variable.
1865 (ix86_expand_aligntest): Handle predictions.
1866 (override_options): Add strgop_alg handling.
1867 (predict_jump): New function.
1868 (scale_counter): New function.
1869 (expand_set_or_movmem_via_loop): New function.
1870 (expand_movmem_via_rep_mov): New function.
1871 (expand_setmem_via_rep_stots): New function.
1872 (emit_strmov): New function.
1873 (expand_movmem_epilogue): New function.
1874 (expand_setmem_epilogue_via_loop): New function.
1875 (expand_setmem_epilogue): New function.
1876 (expand_movmem_prologue): New function.
1877 (expand_setmem_prologue): New function.
1878 (decide_alg): New function.
1879 (decide_alignment): New function.
1880 (ix86_exand_movmem): Rewrite.
1881 (promote_duplicated_reg): New function.
1882 (ix86_expand_clrmem): Rename to ...
1883 (ix86_expand_setmem): ... this one. Rewrite.
1885 * invoke.texi (minline-stringops-dynamically): New command line option.
1886 (mstringop-strategy): Likewise.
1888 2006-11-27 Jan Hubicka <jh@suse.cz>
1890 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1891 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1892 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1893 * insn-notes.def (FUNCTION_END): Remove.
1894 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1895 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1897 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1898 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1899 * cfglayout.c (duplicate_insn_chain): Don't worry about
1902 2006-11-27 Richard Guenther <rguenther@suse.de>
1903 Zdenek Dvorak <dvorakz@suse.cz>
1905 * target.h (struct gcc_target): Add builtin_vectorized_function
1907 * target-def.h (TARGET_VECTORIZE): Likewise.
1908 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1909 Document new target hook.
1910 * targhooks.h (default_builtin_vectorized_function): Declare.
1911 * targhooks.c (default_builtin_vectorized_function): Define.
1912 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1913 (vectorizable_call): Declare.
1914 * tree-vect-analyze.c (vect_analyze_operations): Call
1916 * tree-vect-transform.c (vectorizable_function): New static function.
1917 (build_vectorized_function_call): Likewise.
1918 (vectorizable_call): New function.
1919 (vect_transform_stmt): Handle vectorizable calls.
1921 2006-11-27 Richard Guenther <rguenther@suse.de>
1924 * builtins.c (expand_builtin_pow): Optimize non integer valued
1925 constant exponents using sqrt or cbrt if possible. Always fall back
1926 to expanding via optabs.
1928 2006-11-27 Ira Rosen <irar@il.ibm.com>
1930 PR tree-optimization/22372
1931 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1932 the type of the base address.
1933 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1934 it in the data-ref pointer creation.
1935 (vect_init_vector): Add an argument, type of the init vector. Use it in
1937 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1938 (get_initial_def_for_reduction): Likewise.
1939 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1941 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1942 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1943 correct type in stmt creation.
1944 (vect_setup_realignment): Use the correct type in stmt creation.
1945 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1947 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1948 of MODIFY_EXPR to void_type_node.
1949 (vectorizable_condition): Change type of MODIFY_EXPR to
1951 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1954 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1957 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1958 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1959 standard 80387 constants, raise the cost to prevent
1960 compress_float_constant() to generate load from memory.
1962 * config/i386/i386.md: Add new splitter pattern to split
1963 float_extended load of constant from constant pool into
1966 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1968 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1969 section to general section. Remove documentation for
1970 --with-mpfr-dir and --with-gmp-dir, add documentation for
1971 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1974 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1976 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1978 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1980 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1982 PR tree-optimization/29122
1983 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1984 for the new version. Assign NULL to DECL_RTL of the new version.
1986 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1988 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1990 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1992 * cse.c (cse_altered): Remove.
1993 (record_jump_equiv): Make true/false argument a bool instead
1995 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1996 where appropriate. Emit a new jump before the existing one
1997 instead of after so that delete_insn_and_edges removes the
1998 dead edges properly. Check any_condjump_p before calling
2000 (cse_basic_block): Check any_condjump_p before calling
2002 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2004 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2006 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2007 -ffixed-line-length-* options.
2009 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2011 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2012 (fprem1xf4): Rename to fprem1xf4_i387.
2014 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2015 Rename patterns to fmod<mode>3. Use general_operand operand
2016 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2017 patterns for SSE math.
2018 (remaindersf3, remainderdf3): Ditto.
2020 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2022 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2023 inside start_sequence / end_sequence pair.
2025 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2027 * jump.c (mark_all_labels): Work in cfglayout mode.
2028 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2029 when in cfglayout mode, because there are no dead jumptables
2031 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2033 (commit_edge_insertions): Do not allow insertion of instructions
2034 with control flow insns when in cfglayout mode.
2036 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2038 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2040 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2041 unswitch_loop): Ditto.
2042 * tree-loop-linear.c (linear_transform_loops): Ditto.
2043 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2044 tree_ssa_lim): Ditto.
2045 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2046 free_numbers_of_iterations_estimates): Ditto.
2047 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2048 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2049 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2050 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2051 place_new_loop, duplicate_loop, duplicate_subloops,
2052 update_single_exit_for_duplicated_loops, copy_loops_to,
2053 duplicate_loop_to_header_edge, create_preheaders,
2054 force_single_succ_latches, loop_version, fix_loop_structure):
2056 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2057 tree_unroll_loop): Ditto.
2058 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2059 * tree-scalar-evolution.c (select_loops_exit_conditions,
2060 scev_initialize, scev_analysis): Ditto.
2061 * tree-scalar-evolution.h (scev_initialize): Ditto.
2062 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2063 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2064 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2065 * modulo-sched.c (sms_schedule): Ditto.
2066 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2067 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2068 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2069 * ifcvt.c (if_convert): Ditto.
2070 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2071 canonicalize_loop_induction_variables,
2072 canonicalize_induction_variables,
2073 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2074 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2075 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2076 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2077 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2078 tree_ssa_loop_done): Ditto.
2079 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2080 estimate_bb_frequencies): Ditto.
2081 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2082 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2083 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2084 decide_unrolling_and_peeling, peel_loop_completely,
2085 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2086 peel_loop_simple, unroll_loop_stupid): Ditto.
2087 * loop-doloop.c (doloop_optimize_loops): Ditto.
2088 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2089 * loop-invariant.c (move_loop_invariants): Ditto.
2090 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2091 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2092 tree_ssa_prefetch_arrays): Ditto.
2093 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2095 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2096 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2097 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2098 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2099 verify_loop_structure): Ditto.
2100 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2101 canonicalize_induction_variables, tree_unroll_loops_completely,
2102 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2103 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2104 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2105 tree_unroll_loop, linear_transform_loops): Declaration changed.
2106 * basic-block.h: Remove declaration of struct loops.
2107 * cfghooks.h (struct cfg_hooks): Change type of
2108 cfg_hook_duplicate_loop_to_header_edge.
2109 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2110 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2111 vect_transform_loop): Declaration changed.
2112 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2113 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2114 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2115 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2116 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2117 loopify, loop_version, remove_path, unswitch_loops,
2118 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2119 Declaration changed.
2121 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2123 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2124 (X87MODEF): New mode macro.
2125 (ssemodefsuffix): New mode attribute.
2126 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2127 (sqrt_extend<mode>xf2_i387): New insn pattern.
2128 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2129 insn and truncate result back to original mode using
2130 UNSPEC_TRUNC_NOOP truncation.
2131 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2132 ssemodefsuffix mode attribute.
2133 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2134 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2135 (*sqrtextenddfxf2_i387): Remove insn patterns.
2137 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2138 truncation patterns.
2140 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2142 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2145 * c-tree.h (c_maybe_initialize_eh): New prototype.
2146 * c-decl.c (finish_decl): Move EH initialization...
2147 (c_maybe_initialize_eh): ... here. New function.
2148 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2149 if not #pragma omp atomic.
2152 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2153 or UNION_TYPE inner types.
2155 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2158 * ipa-pure-const.c (check_tree): If the original tree
2159 is volatile return early and say the function is not pure
2160 nor const. Remove the volatile check for writes.
2161 (analyze_function): Print out the result of the local
2164 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2166 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2168 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2169 * config/rs6000/rs6000.c (rs6000_override_options): Use
2170 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2173 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2175 * config/s390.c (s390_emit_compare_and_swap): New function.
2176 (s390_expand_cs_hqi, s390_expand_atomic): Call
2177 s390_emit_compare_and_swap.
2179 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2181 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2183 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2187 * c-common.c (conversion_warning): New.
2188 (convert_and_check): Call conversion_warning unless there is an
2190 * doc/invoke.texi (-Wconversion): Update description.
2192 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2194 * tree-ssa-alias.c (tree_pointer_compare): New function.
2195 (compact_name_tags): New function.
2196 (group_aliases): Call compact_name_tags.
2198 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2200 * real.h (real_isinteger): Declare.
2201 * real.c (real_isinteger): Define.
2202 * builtins.c (integer_valued_real_p): Use it.
2204 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2207 * c.opt (Wtraditional-conversion): New.
2208 (Wconversion): Update description.
2209 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2210 type conversions different from what would happen in the absence
2211 of prototype are now handled by Wtraditional-conversion.
2212 * doc/invoke.texi (Wtraditional-conversion): New.
2213 (Wconversion): Update description.
2214 * doc/trouble.texi (Wconversion): Replace Wconversion by
2215 Wtraditional-conversion.
2217 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2219 * predict.c (tree_estimate_probability): Check to make
2220 sure current_loops is non null before calling flow_loops_dump.
2222 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2224 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2226 2006-11-23 David Ung <davidu@mips.com>
2228 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2230 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2231 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2232 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2233 high part of FP register when in 64-bit FP register mode. Similarly
2234 use gen_mfhc1 to load high part of FP register.
2235 (override_options): Allow -mgp32 and -mfp64 combination if
2236 ISA_HAS_MXHC1 (currently for O32 only).
2237 (mips_cannot_change_mode_class): If floating-point registers are
2238 bigger than word size. disallow conversion of float register from a
2239 large integer mode to a float mode smaller than the float register
2241 (mips_class_max_nregs): Handle float registers case seperately.
2242 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2244 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2245 (movdf_hardfloat_32bit): Similarly.
2246 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2247 support a full 64-bit fpu.
2248 (mthc1): New pattern to generate MTHC1 instruction.
2249 (mfhc1): New pattern to generate MFHC1 instruction.
2250 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2251 option for the MIPS32R2 and mention its use under O32 ABI.
2253 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2255 * var-tracking.c (emit_note_insn_var_location): Take care not to
2256 cause verify_flow_info failures.
2258 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2260 * tree-ssa-structalias.c: Remove edge weights in favor of just
2261 processing them as complex constraints.
2262 (struct constraint_graph): Remove weighted succs and preds. Rename
2263 nonweighted succs and preds.
2264 (constraint_edge): Removed.
2265 (constraint_edge_t): Ditto.
2266 (constraint_edge_pool): Ditto.
2267 (new_constraint_edge): Ditto.
2268 (constraint_edge_equal): Ditto.
2269 (constraint_edge_less): Ditto.
2270 (constraint_edge_vec_find): Ditto.
2271 (erase_self_graph_edge): Ditto.
2272 (add_graph_edge): Removed.
2273 (get_graph_weights): Ditto.
2274 (allocate_graph_weights): Ditto.
2275 (valid_weighted_graph_edge): Ditto
2276 (bitmap_other_than_zero_bit_set): Ditto.
2277 (int_add_graph_edge): Renamed to add_graph_edge.
2278 (clear_edges_for_node): Remove support for weighted edges.
2279 (merge_graph_nodes): Ditto.
2280 (valid_graph_edge): Ditto.
2281 (build_constraint_graph): Ditto.
2283 (collapse_nodes): Ditto.
2284 (process_unification_queue): Ditto.
2285 (topo_visit): Ditto.
2286 (do_ds_constraint): Ditto.
2287 (perform_var_subsitution): Ditto.
2288 (solve_graph): Ditto.
2289 (init_alias_vars): Ditto.
2290 (delete_points_to_sets): Ditto.
2291 (do_complex_constraint): Support offsetted copies here.
2293 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2295 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2297 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2299 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2302 2006-11-23 Ben Elliston <bje@au.ibm.com>
2304 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2306 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2308 PR tree-optimization/29921
2309 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2310 signed and unsigned zero equal.
2312 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2314 * config/rs6000/rs6000.c (get_store_dest): New.
2315 (adjacent_mem_locations): Use get_store_dest() to get
2316 the rtl of the store destination.
2318 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2320 * config/rs6000/spe.md (SPE64): New mode macro.
2321 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2323 (mov_si<mode>_e500_subreg0_2): New.
2324 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2326 (mov_si<mode>_e500_subreg4_2): New.
2327 * config/rs6000/predicates.md (input_operand): Do not allow
2328 invalid E500 subregs.
2329 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2331 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2332 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2333 involving vector modes if TARGET_SPE.
2335 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2338 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2339 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2341 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2343 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2344 mem_i_address_operand): New predicates.
2345 * config/bfin/bfin.c (bfin_issue_rate): New function.
2346 (TARGET_SCHED_ISSUE_RATE): New macro.
2347 * config/bfin/bfin.md (addrtype): New attribute.
2348 (slot0, slot1, slot2, store, pregs): New cpu_units.
2349 (core): Now a define_reservation.
2350 (alu): Remove some insn types from this reservation.
2351 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2353 (dummy reservation): Don't trigger for mcld insns.
2354 (absence_sets): Two new absence sets to enforce slot ordering.
2355 (popsi_insn): Set addrtype.
2357 2006-11-22 Ira Rosen <irar@il.ibm.com>
2359 * doc/c-tree.texi: Document new tree codes.
2360 * doc/md.texi: Document new optabs.
2361 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2363 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2364 * optabs.h (optab_index): Add new.
2365 (vec_extract_even_optab, vec_extract_odd_optab,
2366 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2367 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2368 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2370 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2371 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2372 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2373 along with macros for their access.
2374 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2376 * tree-vect-analyze.c (toplev.h): Include.
2377 (vect_determine_vectorization_factor): Fix indentation.
2378 (vect_insert_into_interleaving_chain,
2379 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2380 (vect_analyze_data_ref_dependence): Add argument for interleaving
2381 check. Check for interleaving if it's true.
2382 (vect_check_dependences): New function.
2383 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2384 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2385 (vect_update_misalignment_for_peel): Update for interleaving.
2386 (vect_verify_datarefs_alignment): Check only first data-ref for
2388 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2389 only first data-ref for interleaving.
2390 (vect_analyze_data_ref_access): Check interleaving, update
2392 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2393 with different parameters.
2394 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2395 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2396 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2397 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2398 Update step in case of interleaving.
2399 (vect_strided_store_supported, vect_permute_store_chain): New
2401 (vectorizable_store): Handle strided stores.
2402 (vect_strided_load_supported, vect_permute_load_chain,
2403 vect_transform_strided_load): New functions.
2404 (vectorizable_load): Handle strided loads.
2405 (vect_transform_stmt): Add argument. Handle strided stores. Check
2406 that vectorized stmt exists for patterns.
2407 (vect_gen_niters_for_prolog_loop): Update calculation for
2409 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2410 whole chain vectorization.
2411 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2412 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2413 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2414 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2415 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2417 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2419 * cse.c (enum taken): Remove PATH_AROUND.
2420 (addr_affects_sp_p, invalidate_skipped_set,
2421 invalidate_skipped_block): Remove.
2422 (cse_end_of_basic_block): Remove skip_blocks and related code.
2423 (cse_main): Don't test for flag_cse_skip_blocks.
2424 Update cse_end_of_basic_block call.
2425 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2426 code to lengthen the path if a jump was simplified.
2428 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2430 PR rtl-optimization/29924
2431 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2432 (unroll_loop_runtime_iterations): Assert that the argument passed to
2433 split_edge_and_insert is not NULL.
2434 * loop-doloop.c (add_test): Ditto.
2436 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2438 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2440 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2441 * cfgloopmanip.c (update_single_exits_after_duplication,
2442 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2443 * tree-scalar-evolution.c (get_loop_exit_condition,
2444 get_exit_conditions_rec, loop_closed_phi_def,
2445 number_of_iterations_in_loop, scev_const_prop): Ditto.
2446 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2447 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2449 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2451 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2452 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2453 slpeel_make_loop_iterate_ntimes,
2454 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2455 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2457 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2458 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2459 vect_analyze_loop_form): Ditto.
2460 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2461 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2462 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2463 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2464 vect_transform_loop): Ditto.
2465 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2466 (single_exit, set_single_exit): New functions.
2467 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2468 (single_exit, set_single_exit): Declare.
2469 * doc/loop.texi: Undocument single_exit field. Document single_exit
2472 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2474 PR tree-optimization/29902
2475 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2476 any involved ssa name appears in abnormal phi node.
2478 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2480 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2481 (xtensa_const_ok_for_letter_p): Delete.
2482 (xtensa_extra_constraint): Delete.
2483 (override_options): Delete xtensa_char_to_class initialization.
2484 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2485 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2486 (EXTRA_CONSTRAINT): Delete.
2487 * config/xtensa/xtensa.md: Include constraints.md.
2488 (call_internal): Combine alternatives.
2489 (call_value_internal): Likewise, and remove invalid constraints.
2490 * config/xtensa/constraints.md: New file.
2491 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2492 (xtensa_extra_constraint): Delete.
2493 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2496 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2498 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2499 of conversion that doesn't fit.
2501 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2502 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2503 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2505 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2507 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2509 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2511 2006-11-21 Richard Guenther <rguenther@suse.de>
2513 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2514 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2515 vect_recog_pow_pattern.
2516 (vect_recog_pow_pattern): New function.
2518 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2520 * config/bfin/bfin.opt (mstack-check-l1): New.
2521 * doc/invoke.texi (Blackfin Options): Document it.
2522 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2523 stack bounds in L1 memory if the new option is enabled.
2524 (override_options): Don't allow combinations of -fstack-limit and
2526 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2529 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2531 (bfin_register_move_cost): Bump costs if trying to move plain
2532 integer values through accumulators.
2534 2006-11-21 Ben Elliston <bje@au.ibm.com>
2536 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2538 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2539 Russell Olsen <Russell_Olsen@playstation.sony.com>
2540 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2541 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2542 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2543 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2544 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2546 * config.gcc: Add target for SPU.
2547 * config/spu/constraints.md: New file.
2548 * config/spu/crt0.c: New file.
2549 * config/spu/crtend.c: New file.
2550 * config/spu/crti.asm: New file.
2551 * config/spu/crtn.asm: New file.
2552 * config/spu/float_unsdidf.c: New file.
2553 * config/spu/float_unssidf.c: New file.
2554 * config/spu/predicates.md: New file.
2555 * config/spu/spu-builtins.def: New file.
2556 * config/spu/spu-builtins.h: New file.
2557 * config/spu/spu-builtins.md: New file.
2558 * config/spu/spu-c.c: New file.
2559 * config/spu/spu-elf.h: New file.
2560 * config/spu/spu-modes.def: New file.
2561 * config/spu/spu-protos.h: New file.
2562 * config/spu/spu.c: New file.
2563 * config/spu/spu.h: New file.
2564 * config/spu/spu.md: New file.
2565 * config/spu/spu.opt: New file.
2566 * config/spu/spu_internals.h: New file.
2567 * config/spu/spu_intrinsics.h: New file.
2568 * config/spu/spu_mfcio.h: New file.
2569 * config/spu/t-spu-elf: New file.
2570 * config/spu/vec_types.h: New file.
2571 * config/spu/vmx2spu.h: New file.
2572 * doc/contrib.texi: Document SPU contributor.
2573 * doc/extend.texi: Document SPU extensions.
2574 * doc/invoke.texi: Document SPU options.
2575 * doc/md.texi: Document SPU constraints.
2577 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2579 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2581 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2583 (flow_loop_dump): Do not dump loop level.
2584 (flow_loops_find): Do not call flow_loops_level_compute.
2585 * cfgloop.h (struct loop): Remove level field.
2587 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2589 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2590 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2591 Use vector of edges instead of array.
2592 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2593 estimate_numbers_of_iterations_loop): Ditto.
2594 * predict.c (predict_loops): Ditto.
2595 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2596 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2598 * basic-block.h: Declare heap allocation for edge vectors.
2599 * tree-outof-ssa.c: Ditto.
2600 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2601 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2603 2006-11-20 Zack Weinberg <zackw@panix.com>
2605 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2606 Add another out parameter, "skip".
2607 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2608 is tagged "skip", do not mark its type used.
2610 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2613 * tree-sra.c (single_scalar_field_in_record_p): New function.
2614 (decide_block_copy): Use it.
2616 2006-11-20 David Daney <ddaney@avtrex.com>
2618 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2619 PC to point to following instruction.
2621 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2625 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2627 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2629 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2631 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2632 Add sh/superh.h to tm_file.
2634 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2635 Mark Mitchell <mark@codesourcery.com>
2637 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2639 (cpp_relocated): New function.
2640 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2642 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2643 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2644 replace configured prefix with gcc_exec_prefix.
2646 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2648 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2649 bfin_legitimate_constant_p.
2650 * config/bfin/bfin.md (movsi expander): Check return value of
2652 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2653 (expand_move): Adjust prototype.
2654 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2655 invalid constants specially.
2656 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2658 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2660 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2661 sibcall_value_symbol): Allow these patterns if
2662 TARGET_LEAF_ID_SHARED_LIBRARY.
2663 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2664 (override_options): Turn on id shared library flags if -msep-data,
2665 but disallow the combination of these options on the command line.
2666 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2667 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2668 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2669 -mid-shared-library.
2670 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2671 * doc/invoke.texi (Blackfin Options): Document new switches.
2673 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2674 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2676 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2677 inflate costs for addresses with an out-of-bounds address.
2679 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2682 * fwprop.c (loops): Remove.
2683 (forward_propagate_into): Use current_loops instead of
2685 (fwprop_init): Call loop_optimizer_init instead of
2687 (fwprop_done): Call loop_optimizer_finalize instead of
2689 (fwprop): Use current_loops instead of loops.
2691 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2694 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2696 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2699 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2700 larger than BITS_PER_WORD.
2702 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2706 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2707 to MAX_FIXED_MODE_SIZE.
2709 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2711 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2712 (fold_builtin_fmin_fmax): New.
2713 (fold_builtin_1): Use it.
2715 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2717 2006-11-18 Richard Guenther <rguenther@suse.de>
2719 * config/i386/i386.c (ix86_builtins): New array for ix86
2720 builtin function decls.
2721 (def_builtin): New function.
2722 (def_builtin_const): Likewise.
2723 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2725 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2727 * doc/invoke.texi (core2): Add item.
2729 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2731 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2732 (TARGET_CPU_DEFAULT_generic): Change value.
2733 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2734 (processor_type): Add new constant PROCESSOR_CORE2.
2736 * config/i386/i386.md (cpu): Add core2.
2738 * config/i386/i386.c (core2_cost): New initialized variable.
2739 (m_CORE2): New macro.
2740 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2741 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2742 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2743 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2744 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2745 x86_accumulate_outgoing_args, x86_prologue_using_move,
2746 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2747 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2748 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2749 x86_pad_returns): Add m_CORE2.
2750 (override_options): Add entries for Core2.
2751 (ix86_issue_rate): Add case for Core2.
2753 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2755 * doc/invoke.texi: Fix mno-isel typo.
2757 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2759 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2760 easy vector constant loads.
2762 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2764 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2765 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2766 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2767 * config/rs6000/sync.md (lwsync): Emit plain sync if
2770 2006-11-17 DJ Delorie <dj@redhat.com>
2772 * reload1.c (reloads_unique_chain): New.
2773 (reloads_conflict): Call it.
2775 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2777 * config/xtensa/predicates.md (addsubx_operand): New.
2778 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2779 (xtensa_emit_bit_branch): New.
2780 (xtensa_emit_movcc): New.
2781 * config/xtensa/xtensa.md (any_minmax): New code macro.
2782 (minmax): New code attribute.
2783 (any_cond, any_scc, any_scc_sf): New code macros.
2784 (*addx2, *addx4, *addx8): Delete.
2786 (*subx2, *subx4, *subx8): Delete.
2788 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2789 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2790 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2791 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2792 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2793 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2794 (movsfcc_internal0, movsfcc_internal1): Likewise.
2795 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2796 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2797 (xtensa_emit_bit_branch): New.
2798 (xtensa_emit_movcc): New.
2799 (function_arg_boundary): Add missing prototype.
2801 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2803 * config/xtensa/xtensa.md (tstsi): Delete
2805 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2807 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2809 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2811 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2813 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2815 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2817 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2819 * tree-vrp.c (execute_vrp): Do not update current_loops.
2820 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2821 * doc/loop.texi: Remove documentation for cancelled functions.
2822 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2823 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2825 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2826 (remove_path): Ensure that in delete_basic_blocks, the loops
2827 are still allocated.
2828 (add_loop): Work on valid loop structures.
2829 (loopify): Modify call of add_loop.
2830 (mfb_update_loops): Removed.
2831 (create_preheader): Do not update loops explicitly.
2832 (force_single_succ_latches, loop_version): Do not use
2833 loop_split_edge_with.
2834 (loop_split_edge_with): Removed.
2835 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2836 Do not use bsi_insert_on_edge_immediate_loop.
2837 (split_loop_exit_edge, tree_unroll_loop): Do not use
2838 loop_split_edge_with.
2839 (bsi_insert_on_edge_immediate_loop): Removed.
2840 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2841 use loop_split_edge_with.
2842 * cfghooks.c: Include cfgloop.h.
2843 (verify_flow_info): Verify that loop_father is filled iff current_loops
2845 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2846 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2848 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2850 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2851 loop_split_edge_with.
2852 (sms_schedule): Use current_loops.
2853 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2854 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2856 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2857 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2858 * ifcvt.c (if_convert): Ditto.
2859 * predict.c (predict_loops): Do not clear current_loops.
2860 (tree_estimate_probability): Use current_loops.
2861 (propagate_freq): Receive head of the region to propagate instead of
2863 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2864 (estimate_loops): New function. Handle case current_loops == NULL.
2865 (estimate_bb_frequencies): Do not allocate tovisit. Use
2867 * tree-ssa-loop.c (current_loops): Removed.
2868 (tree_loop_optimizer_init): Do not return loops.
2869 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2870 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2871 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2872 Do not update loops explicitly.
2873 * function.h (struct function): Add x_current_loops field.
2874 (current_loops): New macro.
2875 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2876 * loop-unroll.c (split_edge_and_insert): New function.
2877 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2878 use loop_split_edge_with.
2879 * loop-doloop.c (add_test, doloop_modify): Ditto.
2880 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2881 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2882 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2883 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2885 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2886 (flow_loops_free): Do not free dfs_order and rc_order.
2887 (flow_loops_find): Do not set dfs_order and rc_order in loops
2888 structure. Do not call loops and flow info verification.
2889 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2890 already belongs to some loop.
2891 * cfgloop.h (struct loops): Remove struct cfg.
2892 (current_loops, loop_split_edge_with): Declaration removed.
2893 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2894 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2895 Declaration removed.
2896 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2897 * basic-block.h (split_edge_and_insert): Declare.
2898 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2900 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2902 PR tree-optimization/29801
2903 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2904 (get_default_value): Use get_symbol_constant_value.
2905 (set_lattice_value): ICE when the value of the constant is
2907 (visit_assignment): Ignore VDEFs of read-only variables.
2909 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2911 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2913 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2914 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2916 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2918 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2919 select subvars of var.
2921 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2924 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2925 optimize if DEF doesn't have integral type.
2927 2006-11-16 Mike Stump <mrs@apple.com>
2929 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2930 pre-darwin9 system, unless the user asks for it directly.
2931 (PREFERRED_DEBUGGING_TYPE): Likewise.
2932 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2933 * config.gcc: Add suppport for darwin9.h.
2934 * config/darwin9.h: Add.
2935 * doc/install.texi (Specific): Clarify darwin documentation.
2937 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2939 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2940 optimizing for size.
2942 2006-11-16 Mike Stump <mrs@apple.com>
2944 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2946 2006-11-16 Dirk Mueller <dmueller@suse.de>
2948 * tree-vrp.c (get_value_range): Use XCNEW instead
2950 (insert_range_assertions): Use XCNEWVEC instead
2951 of XNEWVEC and memset.
2952 (vrp_initialize): Same.
2953 (vrp_finalize): Same.
2954 * tree-ssa-ccp.c (ccp_initialize): Same.
2955 * predict.c (tree_bb_level_predictions): Same.
2956 * calls.c (expand_call): Same.
2957 * tree-ssa-copy.c (init_copy_prop): Same.
2958 (fini_copy_prop): Same.
2959 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2960 of GGC_NEW and memset.
2962 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2965 * gimplify.c (gimplify_expr): Only force a load for references to
2966 non-BLKmode volatile values.
2967 * doc/implement-c.texi (Qualifiers implementation): Document the
2968 interpretation of what a volatile access is.
2969 * doc/extend.texi (C++ Extensions): Rework same documentation.
2971 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2973 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2976 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2978 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2980 (arm_neg_abssi2): Renamed from neg_abssi2.
2981 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2983 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2985 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2986 number of arguments passed to local functions in SSE registers is 3.
2988 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2989 number of arguments passed in SSE registers to 3.
2991 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2994 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2996 (get_last_bb_insn): ... new global function.
2997 (basic_block.h): Declare it.
2998 * haifa-sched.c (create_recovery_block): Use it.
3000 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3003 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3005 2006-11-15 Paul Brook <paul@codesourcery.com>
3007 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3008 _Unwind_GetTextRelBase): Move from here ...
3009 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3010 _Unwind_GetTextRelBase): ... To here.
3012 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3014 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3015 addresses we generate for testing are aligned.
3017 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3020 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3021 to what is the const decl is a place holder for.
3023 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3025 * config/i386/i386.opt: New target option -mx87regparm.
3027 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3028 and float_in_x87 variables. mmx_words, sse_words: Remove.
3029 (X87_REGPARM_MAX): Define.
3031 * config/i386/i386.c (override_options): Error out for
3032 -mx87regparm but no 80387 support.
3033 (ix86_attribute_table): Add x87regparm.
3034 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3035 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3036 (ix86_function_x87regparm): New function.
3037 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3039 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3041 (function_arg_advance): Process x87_nregs and x87_regno when
3042 floating point argument is to be passed in 80387 register.
3043 (function_arg): Pass XFmode arguments in 80387 registers for local
3044 functions. Pass SFmode and DFmode arguments to local functions
3045 in 80387 registers when flag_unsafe_math_optimizations is set.
3047 * reg-stack.c (convert_regs_entry): Disable NaN load for
3048 stack registers that are used for argument passing.
3050 * doc/extend.texi: Document x87regparm function attribute.
3051 * doc/invoke.texi: Document -mx87regparm.
3053 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3055 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3056 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3057 arg MODE; all callers changed. Use it to determine validity per
3058 machine mode instead of using Pmode for all memory references.
3059 (get_address_cost): Likewise add and use new arg MEM_MODE.
3061 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3062 J"orn Rennecke <joern.rennecke@st.com>
3064 * combine.c (likely_spilled_retval_1): Fix masking operation.
3065 (likely_spilled_retval_p): Use proper pattern for call to
3066 likely_spilled_retval_1.
3068 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3070 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3072 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3073 that tests for CONSTANT_POOL_ADDRESS_P.
3075 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3077 PR tree-optimization/29581
3078 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3079 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3080 type is different between Y and USE, create a temporary
3081 variable, initialize it at the beginning of the body bb
3082 and use it as replacement instead of Y.
3084 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3087 * gimplify.c (fold_indirect_ref_rhs): Use
3088 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3090 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3092 * expmed.c (emit_store_flag_1): New function.
3093 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3095 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3096 Use do_compare_rtx_and_jump.
3097 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3098 * arm.md (cstoresi4): New define_expand.
3099 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3100 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3101 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3103 2006-11-14 Caroline Tice <ctice@apple.com>
3105 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3106 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3108 (pubname_table): Redefine as a vector.
3109 (pubtype_table): New static global variable, defined as a vector.
3110 (pubname_table_allocated): Remove static global variable.
3111 (pubname_table_in_use): Remove static global variable.
3112 (PUBNAME_TABLE_INCREMENT): Remove constant.
3113 (size_of_pubnames): Add parameter to deal with either pubnames or
3114 pubtypes, and change code to deal with table being a vector.
3115 (add_pubname): Change to deal with table being a vector.
3116 (add_pubtype): New function.
3117 (output_pubnames): Add parameter to deal with either pubnames or
3118 pubtypes, and change code to deal with table being a vector.
3119 (gen_array_type_die): Add call to add_pubtype.
3120 (gen_enumeration_type_die): Add call to add_pubtype.
3121 (gen_struct_or_union_type_die): Add call to add_pubtype.
3122 (gen_subroutine_type_die): Add call to add_pubtype.
3123 (gen_typedef_die): Add call to add_pubtype.
3124 (dwarf2out_init): Add code to initialize pubname_table and
3125 pubtype_table vectors; also initialize debug_pubtypes_section.
3126 (prune_unused_types): Change to deal with pubnames being a vector.
3127 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3128 pubnames table to call to output_pubnames; Add code to output pubtypes
3129 table if DEBUG_PUBTYPES_SECTION is defined.
3130 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3132 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3134 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3136 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3137 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3138 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3139 movv2si_internal): Support moves between core registers.
3141 2006-11-14 Eric Christopher <echristo@apple.com>
3143 * configure: Regenerate with autoconf 2.59.
3145 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3147 Fix PR tree-optimization/27755
3149 * tree-ssa-pre.c: Update comments.
3150 (bb_bitmap_sets): Add pa_in and deferred member.
3151 (BB_DEFERRED): New macro.
3152 (maximal_set): New variable.
3153 (pre_stats): Add pa_insert member.
3154 (bitmap_set_and): Short circuit orig == dest.
3155 (bitmap_set_subtract_values): New function.
3156 (bitmap_set_contains_expr): Ditto.
3157 (translate_vuses_through_block): Add phiblock argument.
3158 (dependent_clean): New function.
3159 (compute_antic_aux): Update for maximal_set changes.
3160 (compute_partial_antic_aux): New function.
3161 (compute_antic): Handle partial anticipation.
3162 (do_partial_partial_insertion): New function.
3163 (insert_aux): Handle partial anticipation.
3164 (add_to_sets): Add to maximal set.
3165 (compute_avail): Ditto.
3166 (init_pre): Initialize maximal_set.
3167 (execute_pre): Do partial anticipation if -O3+.
3169 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3171 PR rtl-optimization/29798
3173 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3174 TARGET_INSN before any other check.
3175 (fwprop_init): Always calculate dominators.
3176 (fwprop_done): Always free them.
3178 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3180 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3183 2006-11-13 DJ Delorie <dj@redhat.com>
3185 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3186 temporary for intermediates.
3188 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3190 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3191 (sh_optimize_target_register_callee_saved): #if 0 the code
3192 using NOTE_INSN_LOOP_{BEG,END}.
3194 2006-11-13 Roger Sayle <roger@eyesopen.com>
3196 * fold-const.c (optimize_bit_field_compare): Recursively call
3197 fold when simplifying non-constant comparisons between bit-fields.
3199 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3201 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3203 * configure: Rebuilt.
3205 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3207 * config/rs6000/cell.md: New file.
3208 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3210 (ppccell_cost): New cost matrix.
3211 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3212 (rs6000_override_options): Set rs6000_always_hint to false
3213 for cell. Also align functions/lables/loops to 8byte
3214 for the Cell. Use PROCESSOR_CELL.
3215 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3216 using_mtcr_multiple.
3217 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3218 on the Cell, return 0.
3219 (rs6000_adjust_cost): Add Cell cost adjustments.
3220 (is_microcoded_insn): Return true for Cell microcoded
3222 (is_nonpipeline_insn): New function.
3223 (rs6000_issue_rate): Add PROCESSOR_CELL.
3224 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3226 (rs6000_use_sched_lookahead_guard): New function.
3227 (rs6000_sched_reorder): Reorder the ready list, if the second
3228 to last ready insn is a nonepipeline insn on the Cell.
3229 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3230 (ASM_CPU_SPEC): Add Cell.
3231 * config/rs6000/rs6000.md (cpu): Add Cell.
3232 (cell_micro): New Attr.
3235 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3237 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3239 * configure: Rebuilt.
3241 2006-11-13 Richard Guenther <rguenther@suse.de>
3243 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3245 (ix86_expand_lfloorceil): Likewise.
3246 (ix86_expand_rint): Likewise.
3247 (ix86_expand_floorceildf_32): Likewise.
3248 (ix86_expand_floorceil): Likewise.
3249 (ix86_expand_rounddf_32): Likewise.
3250 (ix86_expand_truncdf_32): Likewise.
3251 (ix86_expand_round): Likewise.
3253 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3254 Mark Mitchell <mark@codesourcery.com>
3256 * gcc.c: Organize search path variables into $prefix relative,
3257 and well-known native. Add comments.
3258 (add_sysrooted_prefix): Add comment.
3259 (process_command): If !gcc_exec_prefix add $prefix based paths.
3260 If *cross_compile == '0', add native well-known paths.
3261 Assert tooldir_base_prefix is always relative.
3262 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3263 use this value for 'install:' path.
3264 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3266 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3268 * config/i386/i386.c: Fix a typo in comment.
3270 2006-11-13 Michael Matz <matz@suse.de>
3272 * genemit.c (gen_expand): Allocate enough memory.
3274 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3276 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3277 __GXX_TYPEINFO_EQUALITY_INLINE but not
3278 __GXX_MERGED_TYPEINFO_NAMES.
3279 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3280 __GXX_MERGED_TYPEINFO_NAMES.
3281 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3282 __GXX_TYPEINFO_EQUALITY_INLINE.
3284 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3285 Zdenek Dvorak <dvorakz@suse.cz>
3287 PR tree-optimization/29680
3288 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3291 2006-11-12 Jason Merrill <jason@redhat.com>
3292 Andrew Pinski <pinskia@physics.uc.edu>
3295 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3297 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3299 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3300 * tree.c (build_vector): Handle non-_CST elements.
3302 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3304 * genemit.c (gen_insn): Call gen_exp with a non-null used
3305 when handling multiple insns.
3306 (gen_expand): Likewise.
3307 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3308 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3309 (movsi_const_16bit+1): Copy operands[1].
3310 (call_pcrel): Copy the call_site pattern.
3311 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3313 2006-11-12 Roger Sayle <roger@eyesopen.com>
3315 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3316 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3317 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3318 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3320 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3322 Fix PR tree-optimization/29587
3323 * tree-ssa-structalias.c (process_constraint): Don't
3324 mark address taken due only to escaped vars constraint.
3326 2006-11-12 Michael Matz <matz@suse.de>
3327 Roger Sayle <roger@eyesopen.com>
3329 PR rtl-optimization/29797
3330 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3331 BITS_BIG_ENDIAN targets.
3333 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3335 * builtins.c (fold_builtin_cosh): New.
3336 (fold_builtin_1): Use it.
3337 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3338 trunc to the list of "odd" functions. Also add llrint, lrint,
3339 rint and nearbyint when flag_rounding_math is false.
3341 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3343 * tree-flow.h (name_mappings_registered_p): Declare.
3344 * tree-into-ssa.c (name_mappings_registered_p): New function.
3345 * tree-cfg.c (tree_can_merge_blocks_p): Check
3346 name_mappings_registered_p instead of need_ssa_update_p.
3348 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3350 * tree-ssa-loop.c (tree_vectorize): Return the result of
3352 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3353 if anything changed.
3354 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3355 * tree-flow.h (vectorize_loops): Declaration changed.
3357 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3359 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3361 (issue_prefetch_ref): Move assignment to write_p out of loop.
3362 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3363 SIMULTANEOUS_PREFETCHES into account.
3364 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3365 * lambda-code.c (lcm): Renamed to ...
3366 (least_common_multiple): ... and exported.
3367 * tree-flow.h (least_common_multiple): Declare.
3369 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3371 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3372 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3373 ud-chains. Handle AND_EXPR.
3374 (record_estimate): Record whether the estimate is realistic
3375 and whether it is derived from a loop exit.
3376 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3377 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3379 (compute_estimated_nb_iterations): Take only realistic bounds into
3380 account. Set estimate_state. Use double_ints.
3381 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3382 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3383 that do not have to be always executed.
3384 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3385 to determine whether to call infer_loop_bounds_from_undefined
3386 and compute_estimated_nb_iterations.
3387 (n_of_executions_at_most): Use double_ints.
3388 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3389 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3390 * double-int.c (double_int_to_tree): Improve comment.
3391 (double_int_fits_to_tree_p): New function.
3392 * double-int.h (double_int_fits_to_tree_p): Declare.
3393 * tree-data-ref.c: Include langhooks.h.
3394 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3395 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3396 (analyze_array): Do not pass estimate_only argument to
3397 analyze_array_indexes.
3398 (get_number_of_iters_for_loop): Build tree from the stored double_int
3400 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3401 (find_data_references_in_loop): Use find_data_references_in_stmt.
3402 * tree-data-ref.h (struct data_ref_loc_d): New.
3403 (get_references_in_stmt): Declare.
3404 (estimate_iters_using_array): Declaration removed.
3405 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3406 double_int. Improve comments. Add is_exit and realistic
3408 (struct loop): Changed type of estimated_nb_iterations to double_int.
3409 Added estimate_state field.
3410 (record_estimate): Declaration removed.
3412 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3414 * params.c (set_param_value): Initialize the "set" field.
3415 * params.h (struct param_info): Add "set" field.
3416 (PARAM_SET_P): New macro.
3417 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3418 L1_CACHE_LINE_SIZE): New macros.
3419 * toplev.c (DEFPARAM): Initialize the "set" field.
3420 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3421 SIMULTANEOUS_PREFETCHES): Removed.
3422 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3423 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3424 * config/sparc/sparc.c: Include params.h.
3425 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3426 L1_CACHE_LINE_SIZE parameters.
3427 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3429 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3431 * config/i386/i386.c: Include params.h.
3432 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3433 (override_options): Set SIMULTANEOUS_PREFETCHES and
3434 L1_CACHE_LINE_SIZE parameters.
3435 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3436 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3437 L1_CACHE_LINE_SIZE parameters.
3438 * config/ia64/ia64.c (ia64_optimization_options): Set
3439 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3440 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3442 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3443 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3444 * doc/invoke.texi: Document new params.
3446 2006-11-12 Roger Sayle <roger@eyesopen.com>
3448 PR tree-optimization/13827
3449 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3452 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3454 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3455 update_single_exit_for_duplicated_loops): New functions.
3456 (duplicate_loop_to_header_edge): Use
3457 update_single_exit_for_duplicated_loops.
3458 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3459 functions only with ENABLE_CHECKING.
3461 2006-11-12 Andreas Schwab <schwab@suse.de>
3463 * except.c (sjlj_emit_function_enter): Remove unused variable.
3465 2006-11-11 Roger Sayle <roger@eyesopen.com>
3467 * fold-const.c (int_binop_types_match_p): New function.
3468 (size_binop): Relax constraint that both arguments must both have
3469 exactly the same sizetype type. Instead use int_binop_types_match_p.
3470 (size_diffop): Likewise.
3472 (make_range): Use build_int_cst instead of fold_convert.
3473 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3474 integer constants of the correct type.
3475 (fold_div_compare): Likewise.
3476 (fold_single_bit_test): Likewise.
3477 (fold_binary): Likewise.
3478 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3479 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3481 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3484 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3485 non null value if the struct memory access is in the 0th
3488 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3491 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3492 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3495 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3496 instead of builtin_define for bfin and BFIN.
3498 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3500 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3503 2006-11-11 Jan Hubicka <jh@suse.cz>
3505 * extend.texi (__builtin_expect): We no longer require second argument
3507 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3508 * builtins.c (expand_builtin_expect): Simplify.
3509 (expand_builtin_expect_jump): Kill.
3510 * final.c (final_scan_insn): Do not skip the removed notes.
3511 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3512 EXPECTED_VALUE): Remove.
3513 * dojump.c (do_jump): Do not care about __builtin_expect.
3514 * predict.c (expected_value_to_br_prob): Kill.
3515 * function.c (expand_function_end): Do not expand
3516 NOTE_INSN_REPEATED_LINE_NUMBER.
3517 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3518 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3519 * cfgexpand.c (add_reg_br_prob_note): Export.
3520 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3521 expected_value_to_br_prob.
3522 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3523 * rtl.h (add_reg_br_prob_note): Declare.
3525 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3527 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3529 2006-11-11 Jan Hubicka <jh@suse.cz>
3531 * predict.c (predict_loops): Kill RTL variant.
3533 2006-11-11 Jan Hubicka <jh@suse.cz>
3535 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3536 * modulo-sched.c (find_line_note): Remove.
3537 (loop_canon_p): Do not worry about line number notes.
3538 (sms_schedule): Likewise.
3539 * cse.c (cse_main): Likewise.
3540 * regmove.c (fixup_match_1): Likewise
3541 * function.c (emit_return_info_block): Likewise.
3542 (expand_function_end): Likewise.
3543 (thread_prologue_an_epilogue_insns): Likewise.
3544 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3546 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3547 emit_note_copy_after): Kill.
3548 (emit_note_copy): Do not worry about line numbers.
3549 * jump.c (purge_line_number_notes): Kill.
3550 (pass_purge_lineno_notes): Kill.
3551 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3553 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3554 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3555 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3556 * tree-pass.h (pass_purge_lineno_notes): Kill.
3557 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3558 rm_redundant_line_notes.
3559 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3560 rm_redundant_line_notes.
3561 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3562 * haifa-sched.c: Update comment about handling notes.
3563 (unlink_line_notes): Kill.
3564 (rm_line_notes): Kill.
3565 (save_line_notes): Simplify.
3566 (rm_redundant_line_notes): Kill.
3568 2006-11-11 Richard Guenther <rguenther@suse.de>
3570 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3571 Remove unused tree codes.
3572 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3573 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3574 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3575 * tree.c (stabilize_reference): Likewise.
3576 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3577 fold_unary): Likewise.
3578 * tree-gimple.c (is_gimple_cast): Likewise.
3579 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3580 * expr.c (expand_expr_real_1): Likewise.
3581 * tree-eh.c (tree_could_trap_p): Likewise.
3582 * gimplify.c (gimplify_expr): Likewise.
3583 * tree-inline.c (estimate_num_insns_1): Likewise.
3584 * tree-cfg.c (verify_expr): Likewise.
3586 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3588 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3589 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3590 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3592 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3595 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3596 constraints accept neither registers or memories.
3598 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3600 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3601 (NO_PROFILE_COUNTERS): Define as 1.
3603 2006-11-10 Roger Sayle <roger@eyesopen.com>
3605 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3606 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3608 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3610 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3612 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3614 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3615 (fold_builtin_hypot): Likewise.
3616 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3618 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3620 2006-11-10 Roger Sayle <roger@eyesopen.com>
3622 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3623 when attempting to build INTEGER_CSTs of non-integral types.
3624 * expmed.c (make_tree): Use the correct type, i.e. the inner
3625 type, when constructing the individual elements of a CONST_VECTOR.
3627 2006-11-10 Jan Hubicka <jh@suse.cz>
3629 * cse.c (cse_process_notes): Copy the propagated value.
3630 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3632 * gcse.c (try_replace_reg): Copy the replacement.
3633 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3634 (assign_386_stack_local): Always return copied memory expression
3635 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3638 2006-11-10 Jan Hubicka <jh@suse.cz>
3640 * final.c (final): Walk from first instruction.
3641 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3643 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3646 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3648 (umulv8hi3_highpart): Ditto.
3649 (vec_widen_smult_hi_v8hi): New expander.
3650 (vec_widen_smult_lo_v8hi): Ditto.
3652 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3655 * builtins.c (do_mpfr_arg3): New.
3656 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3658 2006-11-09 Eric Christopher <echristo@apple.com>
3663 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3664 * config.gcc (powerpc64-*-darwin*): New target.
3665 * config.host: Ditto.
3666 * config/rs6000/darwin64.h: New file.
3667 * config/rs6000/x-darwin64: Ditto.
3668 * config/rs6000/host-ppc64-darwin.c: Ditto.
3670 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3672 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3673 routines for integer division.
3675 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3677 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3679 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3682 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3684 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3686 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3687 simplify_subreg with BLKmode outer mode.
3689 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3691 * doc/invoke.texi: Minor formatting fixes in option lists.
3693 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3695 PR tree-optimization/29738
3696 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3697 (ccp_lattice_t): Remove UNKNOWN_VAL.
3698 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3699 Do not handle UNKNOWN_VAL.
3700 (get_default_value): Set initial value of virtual operands to
3702 (get_value): Always use get_default_value on uninitialized
3704 (set_value_varying, surely_varying_stmt_p): New functions.
3705 (set_lattice_value): Do not pass argument to get_value.
3706 Do not handle UNKNOWN_VAL.
3707 (likely_value): Follow the semantics described in the comment.
3708 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3709 phi nodes DONT_SIMULATE_AGAIN.
3710 (ccp_fold): Do not pass argument to get_value.
3711 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3714 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3716 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3717 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3719 2006-11-08 Roger Sayle <roger@eyesopen.com>
3721 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3722 test for inclusion rather than as a test for exclusion.
3723 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3724 the condition after calling fold_binary.
3725 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3726 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3727 * builtins.c (fold_builtin_isascii): Likewise.
3728 (fold_builtin_isdigit): Likewise.
3730 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3732 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3733 * configure: Regenerate.
3735 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3737 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3738 enum argument instead of bool.
3739 (vect_analyze_operations): Call vectorizable_type_promotion.
3740 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3741 stmt_vec_info_type value.
3742 (supportable_widening_operation, vectorizable_type_promotion): New
3743 function declarations.
3744 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3745 (vectorizable_type_promotion): New function.
3746 (vect_transform_stmt): Call vectorizable_type_promotion.
3747 * tree-vect-analyze.c (supportable_widening_operation): New function.
3748 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3750 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3753 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3754 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3755 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3757 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3758 * expr.c (expand_expr_real_1): Likewise.
3759 * optabs.c (optab_for_tree_code): Likewise.
3760 (init_optabs): Initialize new optabs.
3761 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3762 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3763 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3764 vec_unpacku_lo_optab): Initialize new optabs.
3765 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3766 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3767 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3769 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3770 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3771 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3772 (vec_unpacku_lo_optab): New optabs.
3773 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3774 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3775 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3776 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3777 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3778 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3780 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3781 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3782 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3783 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3784 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3785 implement the unsigned unpacking patterns.
3786 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3787 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3788 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3789 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3790 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3791 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3792 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3793 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3794 multiplication patterns.
3796 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3797 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3798 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3799 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3800 (rs6000_builtin_mul_widen_odd): New.
3801 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3802 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3803 * tree-vectorizer.h (enum vect_relevant): New enum type.
3804 (_stmt_vec_info): Field relevant chaned from bool to enum
3806 (STMT_VINFO_RELEVANT_P): Updated.
3807 (STMT_VINFO_RELEVANT): New.
3808 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3809 instead of STMT_VINFO_RELEVANT_P.
3810 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3811 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3812 and boolean variable with enum vect_relevant.
3813 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3814 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3815 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3817 2006-11-08 Richard Henderson <rth@redhat.com>
3819 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3820 vec_widen_umult_lo_v8hi): New.
3821 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3822 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3824 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3825 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3826 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3827 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3828 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3829 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3830 vec_unpacks_lo_v4si): New.
3832 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3834 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3835 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3836 (vect_analyze_operations): Call vectorizable_type_demotion.
3837 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3838 stmt_vec_info_type value.
3839 (vectorizable_type_demotion): New function declaration.
3840 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3843 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3844 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3846 * tree-iniline.c (estimate_num_insns_1): Likewise.
3847 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3848 * optabs.c (optab_for_tree_code): Likewise.
3850 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3851 compared against the predicate of the result is not 'mode' (the input
3852 to the function) but a mode with half the size of 'mode'.
3853 (init_optab): Initialize new optabs.
3854 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3856 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3858 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3859 (vec_pack_usat_optab): Initialize new optabs.
3860 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3861 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3863 2006-11-08 Richard Henderson <rth@redehat.com>
3865 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3866 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3867 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3868 (vec_interleave_highv4si, vec_interleave_lowv4si):
3869 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3871 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3873 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3875 (vect_transform_stmt): Removed redundant code.
3877 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3879 * tree-vect-transform.c (vectorizable_operation): Support multiple
3882 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3884 * tree-vect-transform.c (vect_align_data_ref): Removed.
3885 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3886 Updated function documentation. Return the increment stmt in ptr_incr.
3887 (bump_vector_ptr): New function.
3888 (vect_get_vec_def_for_stmt_copy): New function.
3889 (vect_finish_stmt_generation): Create a stmt_info to newly created
3891 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3893 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3894 VF is greater than the number of elements that can fit in one vector
3896 (vectorizable_operation, vectorizable_condition): Likewise.
3897 (vectorizable_store, vectorizable_load): Support the case that the VF
3898 is greater than the number of elements that can fit in one vector word.
3899 (vect_transform_loop): Don't fail in case of multiple data-types.
3900 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3901 in case of multiple data-types; the smallest type determines the VF.
3902 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3903 if they are of different sizes.
3904 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3905 number of elements rather than number of bytes.
3906 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3907 (vect_can_advance_ivs_p): Fix a dump printout
3909 2006-11-07 Eric Christopher <echristo@apple.com>
3911 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3912 (__bswapsi2): Ditto.
3913 * libgcc2.h: Remove transformation of bswap routines.
3914 * config/i386/i386.md (bswapsi2): New.
3917 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3919 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3920 (handle_gnu_inline_attribute): New function.
3921 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3922 (merge_decls, start_decl, start_function): Likewise.
3923 * doc/extend.texi: Document gnu_inline attribute.
3925 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3928 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3929 _fixunstfdi, and _floatditf
3931 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3933 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3935 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3936 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3937 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3938 which start in an odd register.
3940 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3942 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3944 2006-11-07 Josh Conner <jconner@apple.com>
3946 * doc/invoke.texi (fstrict-aliasing): Move implementation
3948 * doc/tree-ssa.texi (Alias analysis): ...here.
3950 2006-11-07 Richard Guenther <rguenther@suse.de>
3952 PR tree-optimization/29610
3953 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3954 of tree_purge_dead_eh_edges as it may free dominators.
3956 * g++.dg/other/pr29610.C: New testcase.
3958 2006-11-07 David Ung <davidu@mips.com>
3960 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3961 costs when optimizing for size.
3962 (override_options): Use mips_rtx_cost_optimize_size table for cost
3965 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3967 * gcc.c (process_command): Treat -b as normal switch if its argument
3970 2006-11-07 David Ung <davidu@mips.com>
3972 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3975 2006-11-06 Eric Christopher <echristo@apple.com>
3977 * config.gcc: Add x86_64-darwin host support.
3978 * config.host: Ditto.
3979 * config/i386/darwin64.h: New file.
3980 * config/i386/t-darwin64: Ditto.
3982 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3984 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3985 and output-exists-not.
3987 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3990 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3991 checking for overflow.
3993 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3995 * configure.ac: Fixed typo in case statement: :: changed to ;;
3997 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3999 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4000 count_leading_zeros, and count_trailing_zeros.
4001 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4002 (TARGET_FOLD_BUILTIN): Define.
4003 (TARGET_EXPAND_BUILTIN): Define.
4004 (xtensa_init_builtins): New.
4005 (xtensa_fold_builtin): New.
4006 (xtensa_expand_builtin): New.
4007 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4008 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4009 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4010 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4011 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4012 (any_extend): New code macro.
4013 (u, su): New code attributes.
4014 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4015 (nsau): Remove; replaced by clzsi2.
4016 (ffssi2): Use clzsi2.
4017 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4018 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4019 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4020 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4021 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4023 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4025 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4027 * config/arm/t-strongarm-elf: Likewise.
4028 * config/arm/t-pe: Likewise.
4029 * config/arm/t-arm-elf: Likewise.
4030 * config/arm/t-xscale-elf: Likewise.
4031 * config/arm/t-arm-coff: Likewise.
4032 * config/arm/t-xscale-coff: Likewise.
4033 * config/arm/t-wince-pe: Likewise.
4035 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4037 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4040 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4043 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4046 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4049 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4050 as a valid 80387 constant.
4051 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4052 * config/i386/i386.md (unnamed splitter): Split the load of
4053 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4056 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4058 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4059 from the soft-frame, argument and virtual registers.
4061 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4063 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4064 patterns for standard 80387 constants.
4066 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4067 Steven Bosscher <steven@gcc.gnu.org>
4069 * fwprop.c: New file.
4070 * Makefile.in: Add fwprop.o.
4071 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4072 * passes.c (init_optimization_passes): Schedule forward propagation.
4073 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4075 * timevar.def (TV_FWPROP): New.
4076 * common.opt (-fforward-propagate): New.
4077 * opts.c (decode_options): Enable forward propagation at -O2.
4078 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4079 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4080 canon_for_address, table_size): Remove.
4081 (new_basic_block, insert, remove_from_table): Remove references to
4083 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4084 simplification loop more straightforward by not calling fold_rtx
4086 (equiv_constant): Move here a small part of fold_rtx_subreg,
4087 do not call fold_rtx. Call avoid_constant_pool_reference
4089 * recog.h (canonicalize_change_group): New.
4091 * doc/invoke.texi (Optimization Options): Document fwprop.
4092 * doc/passes.texi (RTL passes): Document fwprop.
4094 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4096 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4097 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4098 (grokdeclarator): Likewise.
4100 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4102 * tree-dump.c (dump_enable_all): Rename local variable
4103 ir_type to avoid name conflicts.
4104 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4105 instead of using ir_type().
4106 * profile.c (tree_register_profile_hooks): Likewise.
4107 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4108 * basic-block.h (struct edge_def): Likewise.
4109 * config/arm/arm.c (legitimize_pic_address): Likewise.
4110 * coretypes.h (ir_type): New enum of all intermediate languages
4112 * cfghooks.c (ir_type): Rename to...
4113 (current_ir_type): ...this. Distinguish between cfgrtl and
4114 cfglayout mode when the current IR is RTL. Return enum ir_type.
4115 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4117 2006-11-03 Paul Brook <paul@codesourcery.com>
4119 * config/arm/arm.c (arm_file_start): New function.
4120 (TARGET_ASM_FILE_START): Define.
4121 (arm_default_cpu): New variable.
4122 (arm_override_options): Set arm_default_cpu.
4124 2006-11-03 David Ung <davidu@mips.com>
4126 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4127 PROCESSOR_24KC and PROCESSOR_24KF.
4128 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4129 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4130 (mips_rtx_cost_data): Add costs for the 24kc.
4131 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4132 * config/mips/24k.md: Remove references to 24k and replace with
4133 uses of 24kc/24kf in the appropriate reservations.
4134 * doc/invoke.texi (MIPS Options): Updated.
4136 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4138 * config/sh/crt1.asm: Fix #ifdef indent.
4140 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4141 Merged from STMicroelectronics sources:
4142 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4143 * config/sh/crt1.asm (vbr_600): Add missing #if.
4144 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4145 * sh.opt (mfused-madd): New option.
4146 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4147 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4148 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4149 Remove pointless handler at VBR+0.
4150 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4151 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4152 fr7. Make sure the timer handler is called with the correct FPU
4153 precision setting, according to the ABI.
4154 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4155 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4156 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4157 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4158 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4159 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4160 zero as second operand.
4161 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4162 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4163 Fixed some bugs related to negative values, in particular -0
4164 and overflow at -0x80000000.
4165 * config/sh/divcost-analysis: Added sh4-300 figures.
4166 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4167 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4168 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4169 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4170 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4171 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4173 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4175 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4176 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4177 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4178 mac_mem, mem_mac, dfp_mul, fp_cmp.
4179 (insn_class, dfp_comp, any_fp_comp): Update.
4180 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4181 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4182 (muldf3_i): Likewise.
4183 (movsi_i): Split rI08 alternative into two separate alternatives.
4185 (movsi_ie, movsi_i_lowpart): Likewise.
4186 (movqi_i): Split ri alternative into two separate alternatives.
4188 * sh1.md (sh1_load_store, sh1_fp): Update.
4189 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4190 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4191 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4192 (sh4a_fp_double_arith): Likewise.
4193 * sh4-300.md: New file.
4194 * sh.c (sh_handle_option): Handle m4-300* options.
4195 (sh_adjust_cost): Fix latency of auto-increments.
4196 Handle SH4-300 differently than other SH4s. Check for new insn types.
4197 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4198 been set by an option.
4199 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4200 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4201 (mbranch-cost=): Likewise.
4202 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4204 * sh.md (mulsf3): Remove special expansion code.
4205 (mulsf3_ie): Now a define_insn_and_split.
4206 (macsf3): Allow for TARGET_SH4.
4208 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4209 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4210 (expand_cbranchdi4): Likewise.
4211 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4212 CONST_DOUBLE if the outer code is COMPARE.
4213 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4214 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4215 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4216 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4217 Remove redundant fp_{zero,one}_operand checks.
4218 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4219 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4220 (expand_cbranchdi4): Likewise.
4221 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4222 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4224 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4226 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4229 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4231 * doc/invoke.texi: Fix mfp-trap-mode typo.
4233 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4235 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4236 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4237 file_end_indicate_exec_stack.
4238 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4240 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4241 for a non-executable stack.
4242 * crti.asm: Likewise.
4243 * crtn.asm: Likewise.
4244 * libunwind.S: Likewise.
4246 2006-11-02 Ben Elliston <bje@au.ibm.com>
4248 * tree-ssa.c (warn_uninit): Use expand_location variables for
4249 locus and declaration locus.
4251 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4254 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4255 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4256 cmp{eq,gt,gtu}{si,di}_media.
4257 (*cmpne0si_media): Remove.
4258 (*movsicc_umin): Adjust gen_cmp*_media call.
4259 (unordered): Change the mode of unordered and operands[1] to
4261 (seq): Adjust gen_cmp*_media calls. Make the mode of
4262 a temporary result of compare SImode if needed. If the mode
4263 of operands[0] is DImode, extend the temporary result to DImode.
4264 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4265 (sunorderd): Change the mode of match_operand and unorderd to
4267 (cmpeq{sf,df}_media): Remove.
4268 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4269 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4270 and compare operation to SImode.
4272 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4274 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4276 (sparc64-sun-solaris2*): Likewise.
4278 2006-11-02 Paul Brook <paul@codesourcery.com>
4280 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4281 from priority argument. Use different section for non-default
4283 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4285 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4288 * except.c (switch_to_exception_section): Do not cache the section
4289 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4290 and flag_function_sections is set.
4292 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4295 * builtins.c (do_mpfr_sincos): New.
4296 (fold_builtin_1): Use it to fold builtin sincos.
4298 2006-11-01 Roger Sayle <roger@eyesopen.com>
4300 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4301 it into -D_REENTRANT.
4303 2006-11-01 Roger Sayle <roger@eyesopen.com>
4305 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4306 whether the assembler supports taking the difference of symbols in
4307 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4308 * configure: Regenerate.
4309 * config.in: Regenerate.
4310 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4311 the assembler doesn't support taking the difference of symbols in
4312 different sections, i.e. we're using the native solaris assembler.
4314 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4315 Peter Bergner <bergner@vnet.ibm.com>
4317 * doc/invoke.texi: Add cpu_type power6x
4318 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4319 * config.gcc: Add cpu_type power6x.
4320 * configure.ac: Add test for mf{t,f}gpr instructions.
4321 (HAVE_AS_MFPGPR): New.
4322 * config.in: Regenerate.
4323 * configure: Regenerate.
4324 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4325 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4326 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4327 and mftgpr attributes.
4328 (define_attr "cpu"): Add power6.
4329 Change instruction sequences to use new attributes.
4330 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4331 (fix_truncdfsi2_mfpgpr): New.
4332 (floatsidf_ppc64_mfpgpr): New.
4333 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4334 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4335 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4336 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4337 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4338 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4339 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4340 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4341 cntlz,exts and var_delayed_compare.
4342 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4343 _ARCH_PWR6X, if features enabled.
4344 * config/rs6000/rs6000.opt (mmfpgpr): New.
4345 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4346 (cached_can_issue_more): New variable.
4347 (processor_costs): Add power6_cost.
4348 (rs6000_sched_init): New function.
4349 (is_dispatch_slot_restricted): Deleted.
4350 (set_to_load_agen): New function.
4351 (is_load_insn,is_store_insn): New functions.
4352 (adjacent_mem_locations): New function.
4353 (insn_must_be_first_in_group): New function.
4354 (insn_must_be_last_in_group): New function.
4355 (rs6000_sched_reorder): New function.
4356 (rs6000_sched_reorder2): New function.
4357 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4358 TARGET_SCHED_REORDER2): Define.
4359 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4360 Add power6x. Add MASK_MFPGPR for power6x.
4361 (POWERPC_MASKS): Add MASK_MFPGPR.
4362 (rs6000_override_options): Set rs6000_always_hint to false
4363 for power6. Set rs6000_align_branch_targets. Replace
4364 rs6000_sched_groups check with rs6000_align_branch_targets.
4365 Use PROCESSOR_POWER6.
4366 (last_scheduled_insn): New variable.
4367 (load_store_pendulum): New variable.
4368 (rs6000_variable_issue): Set last_scheduled_insn and
4369 cached_can_issue_more.
4370 (rs6000_adjust_cost): Add power6 cost adjustments.
4371 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4372 with insn_must_be_first_in_group. Add power6 priority adjustments.
4373 (rs6000_issue_rate): Add CPU_POWER6.
4374 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4375 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4376 (TARGET_MFPGPR): New.
4377 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4378 (ASM_CPU_SPEC): Add power6x.
4379 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4381 * config/rs6000/power6.md: New file.
4383 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4385 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4386 HOST_WIDE_INT_PRINT to print high and low parts. Use
4387 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4388 printing a hexadecimal number prefix it with 0x.
4390 2006-11-01 Chris Johns <chris@contemporary.net.au>
4393 * Makefile.in (install-driver): Use exeext when installing
4394 $target-gcc-$version.
4396 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4398 * c-common.c (flag_cpp0x): New.
4399 * c-common.h (flag_cpp0x): New.
4400 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4401 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4402 * c-opts.c (set_std_cxx0x): New.
4403 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4404 * c.opt (std=c++0x): Document.
4405 (std=gnu++0x): Ditto.
4406 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4407 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4409 2006-11-01 Richard Guenther <rguenther@suse.de>
4411 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4413 (ix86_expand_floorceildf_32): Likewise.
4414 (ix86_expand_floorceil): Likewise.
4415 (ix86_expand_trunc): Likewise.
4417 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4419 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4422 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4424 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4426 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4428 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4430 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4431 * configure.ac (use_cxa_atexit): As a special case, don't test
4432 for libc definition of __cxa_atexit on mingw32
4433 * configure: Regenerate.
4434 * config.gcc (i[34567]86-pc-mingw32): Default to
4435 enable__cxa_atexit=yes.
4437 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4439 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4441 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4444 * c-decl.c (start_struct): Don't create self-containing
4446 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4448 * config/rs6000/rs6000-protos.h
4449 (darwin_rs6000_special_round_type_align): New.
4450 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4451 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4453 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4455 * toplev.c (compile_file): Call final_write_globals
4456 even if there have been errors.
4458 2006-10-31 Eric Christopher <echristo@apple.com>
4459 Falk Hueffner <falk@debian.org>
4461 * doc/extend.texi (__builtin_bswap32): Document.
4462 (__builtin_bswap64): Ditto.
4463 * doc/libgcc.texi (bswapsi2): Document.
4465 * doc/rtl.texi (bswap): Document.
4466 * optabs.c (expand_unop): Don't widen a bswap.
4467 (init_optabs): Init bswap. Set libfuncs explicitly
4468 for bswapsi2 and bswapdi2.
4469 * optabs.h (OTI_bswap): New.
4470 (bswap_optab): Ditto.
4471 * genopinit.c (optabs): Handle bswap_optab.
4472 * tree.h (tree_index): Add TI_UINT32_TYPE and
4474 (uint32_type_node): New.
4475 (uint64_type_node): Ditto.
4476 * tree.c (build_common_tree_nodes_2): Initialize
4477 uint32_type_node and uint64_type_node.
4478 * builtins.c (expand_builtin_bswap): New.
4479 (expand_builtin): Call.
4480 (fold_builtin_bswap): New.
4481 (fold_builtin_1): Call.
4482 * fold-const.c (tree_expr_nonnegative_p): Return true
4484 * builtin-types.def (BT_UINT32): New.
4486 (BT_FN_UINT32_UINT32): Ditto.
4487 (BT_FN_UINT64_UINT64): Ditto.
4488 * builtins.def (BUILT_IN_BSWAP32): New.
4489 (BUILT_IN_BSWAP64): Ditto.
4490 * rtl.def (BSWAP): New.
4491 * genattrtab.c (check_attr_value): New.
4492 * libgcc2.c (__bswapSI2): New.
4493 (__bswapDI2): Ditto.
4494 * libgcc2.h (__bswapSI2): Declare.
4495 (__bswapDI2): Ditto.
4496 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4497 * simplify-rtx.c (simplify_const_unary_operation): Return
4499 * libgcc-std.ver (__bwapsi2): Add.
4500 (__bswapdi2): Ditto.
4501 * reload1.c (eliminate_regs_1): Add bswap.
4502 (elimination_effects): Ditto.
4503 * config/i386/i386.h (x86_bswap): New.
4504 (TARGET_BSWAP): Use.
4505 * config/i386/i386.c (x86_bswap): Set.
4507 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4509 * coverage.c (coverage_checksum_string): Update comment.
4510 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4511 of get_file_function_name.
4512 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4513 of get_file_function_name_long.
4514 * tree.c (get_file_function_name): Rename from
4515 get_file_function_name_long; improve comment; handle 'I' and 'D'
4516 specially when the target has ctor/dtor support; remove special
4518 (get_file_function_name): Remove.
4519 * tree.h (get_file_function_name): Rename from
4520 get_file_function_name_long.
4521 (get_file_function_name): Remove prototype.
4523 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4525 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4526 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4528 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4529 Call dsymutil when compiling and linking one or more source files
4532 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4535 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4537 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4539 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4540 inline static functions in c99 mode.
4543 * doc/extend.texi (Inline): Update.
4544 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4545 * c-decl.c (current_extern_inline): Delete.
4546 (pop_scope): Adjust test for an undefined nested function.
4547 Add warning about undeclared inline function.
4548 (diagnose_mismatched_decls): Update comments. Disallow overriding
4549 of inline functions in a translation unit in C99. Allow inline
4550 declarations in C99 at any time.
4551 (merge_decls): Boolize variables. Handle C99 'extern inline'
4553 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4554 C99 inline semantics.
4555 (start_function): Don't clear current_extern_inline. Don't set
4557 (c_push_function_context): Don't push current_extern_inline.
4558 (c_pop_function_context): Don't restore current_extern_inline.
4561 * c-typeck.c (build_external_ref): Warn about static variables
4562 used in extern inline functions.
4563 * c-decl.c (start_decl): Warn about static variables declared
4564 in extern inline functions.
4566 2006-10-31 Roger Sayle <roger@eyesopen.com>
4569 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4570 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4571 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4572 or y is an even integer.
4574 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4577 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4578 * gthr-posix95.h (__gthread_active_p): Likewise.
4580 2006-10-31 Richard Guenther <rguenther@suse.de>
4582 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4583 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4584 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4585 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4586 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4587 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4588 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4589 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4592 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4594 * opts.c (decode_options): Disable CSE skip blocks.
4596 2006-10-30 Dirk Mueller <dmueller@suse.de>
4598 * c-common.h (strict_aliasing_warning): Fix whitespace.
4599 * c-decl (start_function): Move code for main decl warning ..
4600 * c-common.c (check_main_parameter_types): .. here.
4601 * c-common.h (check_main_parameter_types): Declare.
4603 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4606 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4608 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4610 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4611 be a PARALLEL containing sets. Return false when out_pat is not
4614 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4616 * config/mips/mips.md (mul<mode>3): Split into...
4617 (mulsi3, muldi3): ...these separate patterns.
4619 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4621 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4622 but with each set of options separated by spaces.
4624 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4626 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4627 dwarf_reg_size_table has been initialized.
4629 2006-10-30 Roger Sayle <roger@eyesopen.com>
4631 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4632 * ddg.c (print_ddg_edge): Likewise.
4633 * dwarf2out.c (prune_unused_types_walk): Likewise.
4634 * ifcvt.c (noce_try_cmove_arith): Likewise.
4635 * langhooks.c (add_builtin_function): Likewise.
4636 * reg-stack.c (subst_stack_regs_pat): Likewise.
4637 * tree.c (expanded_location): Likewise.
4638 * tree-dump.c (dequeue_and_dump): Likewise.
4640 2006-10-30 David Daney <ddaney@avtrex.com>
4642 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4644 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4646 PR tree-optimization/29637
4647 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4648 of the innertype is the innertype itself.
4650 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4652 * dwarf2out.c (file_name_acquire): Correct typo.
4654 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4656 * tree.h (tree_value_handle): Remove struct value_set declaration.
4657 Change value_set to bitmap_set.
4658 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4659 * tree-vn.c (get_value_handle): Made inline and moved to
4661 * tree-flow-inline.h: (has_stmt_ann): New function.
4662 * tree-ssa-pre.c (expressions): New variable.
4663 (next_expression_id): Ditto.
4664 (alloc_expression_id): New function.
4665 (struct value_set): Remove.
4666 (get_expression_id): New function.
4667 (get_or_alloc_expression_id): Ditto.
4668 (expression_for_id): Ditto.
4669 (clear_expression_ids): Ditto.
4670 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4671 (bb_value_sets): Renamed to bb_bitmap_sets.
4672 All value sets replaced with bitmap_sets.
4674 (BB_VISITED): New macro.
4675 (postorder): New variable.
4676 (add_to_value): Removed.
4677 (value_exists_in_set_bitmap): Ditto.
4678 (value_insert_into_set_bitmap): Ditto.
4681 (set_remove): Ditto.
4682 (set_contains_value): Ditto.
4683 (insert_into_set): Ditto.
4685 (find_leader): Ditto.
4686 (bitmap_set_subtract_from_value_set): Ditto.
4687 (value_insert_into_set): Ditto.
4688 (print_value_set): Ditto.
4689 (debug_value_set): Ditto.
4690 (constant_expr_p): New function.
4691 (bitmap_remove_from_set): Ditto.
4692 (bitmap_insert_into_set): Ditto.
4693 (bitmap_set_free): Ditto.
4694 (vh_compare): Ditto.
4695 (sorted_array_from_bitmap_set): Ditto.
4696 (bitmap_set_subtract): Ditto.
4697 (bitmap_set_equal): Ditto.
4698 (debug_bitmap_set): Ditto.
4699 (find_leader_in_sets): Ditto.
4700 (bitmap_set_replace_value): Modify for bitmapped sets.
4701 (phi_translate): Ditto.
4702 (phi_translate_set): Ditto.
4703 (bitmap_find_leader): Ditto.
4704 (valid_in_sets): Ditto.
4705 (union_contains_value): Ditto.
4707 (compute_antic_aux): Ditto. Mark changed blocks.
4708 (compute_antic): Ditto. Iterate in postorder and only over
4710 (compute_rvuse_and_antic_safe): Reuse postorder.
4711 (create_component_ref_by_pieces): Modify for bitmapped sets.
4712 (find_or_generate_expression): Ditto.
4713 (create_expression_by_pieces): Ditto.
4714 (insert_into_preds_of_block): Ditto.
4715 (changed_blocks): New variable.
4716 (do_regular_insertion): Broken out from insert_aux.
4717 (insert_aux): Modified for bitmapped sets.
4718 (find_existing_value_expr): New function.
4719 (create_value_expr_from): Use it.
4720 (insert_extra_phis): Removed.
4721 (print_bitmap_set): Renamed from bitmap_print_value_set.
4722 (compute_avail): Handle RETURN_EXPR.
4723 (init_pre): Modify for bitmapped sets.
4724 * tree-flow.h (has_stmt_ann): New function.
4726 2006-10-29 Roger Sayle <roger@eyesopen.com>
4728 * builtins.c (fold_builtin_floor): Check for the availability of
4729 the C99 trunc function before transforming floor into trunc.
4731 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4733 * builtins.c (fold_builtin_hypot): Rearrange recursive
4734 transformation before others, and also do ABS_EXPR. When
4735 necessary, check flag_unsafe_math_optimizations. When necessary,
4738 2006-10-29 Roger Sayle <roger@eyesopen.com>
4740 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4741 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4742 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4743 Fold -X eq/ne -Y as X eq/ne Y.
4745 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4747 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4748 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4749 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4750 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4751 Use an inclusive test for "mult" rather than "mul".
4752 (rotr<mode>3): Depend on ISA_HAS_ROR.
4753 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4755 (GENERATE_MULT3_DI): Delete.
4756 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4757 (ISA_HAS_MUL3): New macro.
4758 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4759 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4760 (ISA_HAS_CLZ_CLO): Likewise.
4761 (ISA_HAS_DCLZ_DCLO): Delete.
4762 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4763 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4764 the VR4120 and VR4130.
4765 (ISA_HAS_MACCHI): Use consistent formatting.
4766 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4767 (ISA_HAS_ROR): ...this new macro.
4768 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4769 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4770 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4772 2006-10-29 Roger Sayle <roger@eyesopen.com>
4774 PR tree-optimization/15458
4775 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4778 2006-10-29 Richard Guenther <rguenther@suse.de>
4780 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4781 (ix86_expand_truncdf_32): Likewise.
4782 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4783 trunc inline for SSE math and -fno-trapping-math and if not
4784 optimizing for size.
4785 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4786 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4787 for expanding btrunc inline for SSE math.
4789 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4791 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4792 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4793 i[34567]86-*-solaris2.1[0-9]*.
4794 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4795 Define conditionally depending on TARGET_64BIT_DEFAULT.
4796 (SPEC_32, SPEC_64): Define.
4797 (LINK_SPEC): Use them.
4798 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4800 2006-10-29 Richard Guenther <rguenther@suse.de>
4802 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4803 (ix86_expand_rounddf_32): Likewise.
4804 * config/i386/i386.c (ix86_expand_round): New function expanding
4805 round inline for SSE math and -fno-trapping-math and if not
4806 optimizing for size.
4807 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4808 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4809 round via ix86_expand_round.
4811 2006-10-29 Richard Guenther <rguenther@suse.de>
4813 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4814 (ix86_expand_floorceildf_32): Likewise.
4815 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4816 static helper function.
4817 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4819 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4820 * config/i386/i386.md (floordf2): Adjust to enable floor
4821 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4822 -fno-trapping-math is enabled and if not optimizing for size.
4823 (floorsf2, ceildf2, ceilsf2): Likewise.
4824 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4825 (sse2_maskcmpdf3): Likewise.
4827 2006-10-29 Richard Guenther <rguenther@suse.de>
4829 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4830 rint in case -fno-trapping-math is enabled.
4831 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4832 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4833 (ix86_expand_sse_fabs): Likewise.
4834 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4835 * config/i386/i386.md (rintdf2): Enable for SSE math if
4836 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4837 (rintsf2): Likewise.
4839 2006-10-29 Richard Guenther <rguenther@suse.de>
4841 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4842 to conversion optabs.
4843 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4844 as conversion optab.
4845 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4846 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4847 (lfloor_optab, lceil_optab): Adjust defines.
4848 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4849 lfloor and lceil optabs now being conversion optabs.
4850 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4851 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4852 New static helper function.
4853 (ix86_expand_lfloorceil): New function to expand lfloor and
4855 * config/i386/i386.md (lfloor<mode>2): Split into ...
4856 (lfloorxf<mode>2): ... x87 variant
4857 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4858 using ix86_expand_lfloorceil.
4859 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4861 * doc/md.texi (lfloorMN, lceilMN): Document.
4863 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4865 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4866 -mno-shared assembler option on mips targets.
4867 * configure, config.in: Regenerate.
4868 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4869 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4870 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4872 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4874 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4875 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4877 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4879 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4880 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4883 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4887 (fold_builtin_pow): Evaluate constant arguments at compile-time
4889 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4890 (do_mpfr_ckconv): New helper function.
4891 (do_mpfr_arg1): Use do_mpfr_ckconv.
4892 (do_mpfr_arg2): New.
4894 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4897 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4898 (-fdump-rtl-sched): Rename to ..
4899 (-fdump-rtl-sched1): here. Also fix file extension number.
4901 2006-10-28 Richard Guenther <rguenther@suse.de>
4903 * fold-const.c (maybe_canonicalize_comparison): Fix code
4906 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4908 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4909 (NON_QI_REG_P): Use IN_RANGE.
4910 (REX_INT_REGNO_P): Use IN_RANGE.
4911 (FP_REGNO_P): Use IN_RANGE.
4912 (SSE_REGNO_P): Use IN_RANGE.
4913 (REX_SSE_REGNO_P): Use IN_RANGE.
4914 (MMX_REGNO_P): Use IN_RANGE.
4915 (STACK_REGNO_P): New macro.
4916 (STACK_REG_P): Use STACK_REGNO_P.
4917 (NON_STACK_REG_P): Use STACK_REGNO_P.
4918 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4919 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4920 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4921 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4922 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4924 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4926 * except.h (output_function_exception_table): Add 'const char*' param.
4927 * except.c (switch_to_exception_section): Add 'const char*' param.
4928 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4929 and flag_function_sections is set, use a function-specific section.
4930 (output_function_exception_table): Add 'const char*' param.
4931 Adjust call to switch_to_exception_section.
4932 * final.c (rest_of_handle_final): Adjust calls to
4933 output_function_exception_table.
4934 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4935 * config.in: Regenerate.
4936 * configure: Likewise.
4938 2006-10-28 Richard Guenther <rguenther@suse.de>
4941 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4942 for maybe_canonicalize_comparison.
4943 (maybe_canonicalize_comparison): New function for canonicalizing
4945 (fold_comparison): Call it to canonicalize comparisons with
4948 2006-10-28 Richard Guenther <rguenther@suse.de>
4951 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4952 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4953 (expand_builtin): Adjust likewise.
4954 * genopinit.c (optabs[]): Add lround optab.
4955 * optabs.c (init_optabs): Initialize lround_optab.
4956 * optabs.h (enum convert_optab_index): Add COI_lround.
4957 (lround_optab): Define.
4958 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4959 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4961 (ix86_expand_lround): New function.
4962 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4964 * doc/md.texi (lroundMN2): Document.
4966 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4969 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4970 argument to HOST_WIDE_INT. Update function prototype.
4971 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4972 "size" argument to HOST_WIDE_INT. Update function prototype.
4974 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4976 * config/i386/i386.c (output_387_ffreep): Create output from a
4977 template string for !HAVE_AS_IX86_FFREEP.
4979 2006-10-27 Eric Christopher <echristo@apple.com>
4981 * config/darwin.c: Fix formatting and grammar.
4983 2006-10-27 Jan Hubicka <jh@suse.cz>
4985 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4986 to be thrown away soon when IGNORE is set.
4987 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4988 indicating when return value shall not be computed.
4989 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4991 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4993 * config/i386/i386.h (TARGET_GEODE):
4994 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4995 (TARGET_CPU_DEFAULT_geode): New macro.
4996 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4997 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4998 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4999 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5000 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5002 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5003 (processor_type): Add PROCESSOR_GEODE.
5005 * config/i386/i386.md: Include geode.md.
5008 * config/i386/i386.c (geode_cost): New initialized global
5010 (m_GEODE, m_K6_GEODE): New macros.
5011 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5012 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5013 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5014 x86_schedule): Use m_K6_GEODE instead of m_K6.
5015 (x86_movx, x86_cmove): Set up m_GEODE.
5016 (x86_integer_DFmode_moves): Clear m_GEODE.
5017 (processor_target_table): Add entry for geode.
5018 (processor_alias_table): Ditto.
5020 * config/i386/geode.md: New file.
5022 * doc/invoke.texi: Add entry about geode processor.
5024 2006-10-27 Mike Stump <mrs@apple.com>
5026 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5027 __DYNAMIC__ from here back to ...
5028 * config/darwin.h (CPP_SPEC): ... here.
5030 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5031 Nathan Sidwell <nathan@codesourcery.com>
5033 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5034 when choosing the minimum heapsize.
5036 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5038 * gcc/unwind-dw2.h: Move cfa-related variables into
5039 struct frame_state_reg_info to ensure that the CFA is properly
5040 handled when executing DW_CFA_{remember,restore}_state.
5041 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5042 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5043 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5044 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5045 gcc/config/rs6000/linux-unwind.h,
5046 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5047 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5048 Modify to use new cfa_* fields.
5050 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5052 * config/s390/s390.c (s390_init_frame_layout): Check positive
5055 2006-10-26 Ben Elliston <bje@au.ibm.com>
5057 * gimplify.c (get_name): Remove extraneous break.
5058 (gimplify_omp_for): Initialise ret with GS_OK.
5060 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5062 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5063 Add unix98.o to link line.
5065 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5068 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5069 Calculate compile-time constants using MPFR.
5070 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5071 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5073 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5075 * config/xtensa/lib2funcs.S: Use C-style comments.
5077 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5079 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5080 (file_table_relative_p): Likewise.
5081 (dwarf2out_finish): Likewise.
5082 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5084 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5086 * tree-ssa-structalias.c (intra_create_variable_infos):
5087 Don't recreate nonlocal_all if it already exists.
5089 2006-10-25 Richard Guenther <rguenther@suse.de>
5092 * optabs.h (enum optab_index): Remove OTI_lrint.
5093 (enum convert_optab_index): Add COI_lrint.
5094 (lrint_optab): Adjust.
5095 (expand_sfix_optab): Declare.
5096 * optabs.c (expand_sfix_optab): New function.
5097 (init_optabs): Init lrint_optab as conversion optab.
5098 * genopinit.c (lrint_optab): Change to a conversion optab.
5099 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5100 expansion via conversion optab.
5101 * config/i386/i386.md (*fistdi2_1): Remove
5102 flag_unsafe_math_optimizations guard.
5103 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5104 fist<mode>2_with_temp): Likewise.
5105 (lrint<mode>2): Split into...
5106 (lrintxf<mode>2): ... x87 part
5107 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5108 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5109 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5110 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5111 * doc/md.texi (lrintMN2): Document.
5113 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5116 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5117 Use inc and dec instructions for TARGET_USE_INCDEC.
5118 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5119 ("sync_double_compare_and_swap<mode>"): Likewise.
5120 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5121 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5122 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5123 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5124 ("sync_old_add<mode>"): Likewise.
5125 ("sync_lock_test_and_set<mode>"): Likewise.
5126 ("sync_lock_test_and_set<mode>"): Likewise.
5127 ("sync_add<mode>"): Likewise.
5128 ("sync_sub<mode>"): Likewise.
5129 ("sync_ior<mode>"): Likewise.
5130 ("sync_and<mode>"): Likewise.
5131 ("sync_xor<mode>"): Likewise.
5133 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5135 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5136 (remainder_optab): Define corresponding macro.
5137 (drem_optab): Remove.
5138 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5139 drem_optab initialization.
5140 * genopinit.c (optabs): Implement remainder_optab using
5141 remainder?f3 patterns. Remove drem_optab.
5142 * builtins.c (expand_builtin_mathfn_2): Handle
5143 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5144 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5145 expand_builtin_mathfn_2.
5147 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5148 depend on flag_unsafe_math_optimizations.
5150 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5151 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5152 Do not depend on flag_unsafe_math_optimizations. Use
5153 truncxf?f expander instead of truncxf?f_i387_noop.
5155 ("fpremxf4", "fprem1xf4"): Do not depend on
5156 flag_unsafe_math_optimizations.
5157 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5158 flag_unsafe_math_optimizations. Use truncxf?f expander
5159 instead of truncxf?f_i387_noop.
5161 * doc/md.texi (fmod, remainder): Document standard named pattern.
5163 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5164 David Daney <ddaney@avtrex.com>
5167 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5169 2006-10-25 Ben Elliston <bje@au.ibm.com>
5171 * doc/extend.texi (Variable Attributes): Typo fix.
5173 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5175 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5176 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5177 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5178 (FRAME_POINTER_REGNUM): Update register number to 21.
5179 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5180 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5182 * config/i386/i386.c (regclass_map): Add fpcr entry.
5183 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5185 (print_reg): Assert REGNO (x) != FPCR_REG.
5187 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5188 (DIRFLAG_REG): Renumber.
5189 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5190 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5191 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5192 hardcoded SSE register numbers.
5194 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5195 hardcoded MMX register numbers.
5197 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5200 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5201 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5203 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5204 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5205 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5206 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5208 2006-10-24 Richard Guenther <rguenther@suse.de>
5211 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5212 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5213 for deciding optimizations in consistency with fold-const.c
5214 (fold_builtin_unordered_cmp): Likewise.
5216 2006-10-24 Richard Guenther <rguenther@suse.de>
5218 * builtins.c (fold_builtin_floor): Fold floor (x) where
5219 x is nonnegative to trunc (x).
5220 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5221 nonnegative to FIX_TRUNC_EXPR.
5223 2006-10-24 Richard Guenther <rguenther@suse.de>
5225 PR tree-optimization/29567
5226 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5227 for TRUTH_NOT_EXPR. Clarify comments.
5229 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5232 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5233 at compile-time using MPFR. Change parameter VALUE to FUNC,
5235 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5236 for overflow and underflow at all times and avoid folding in
5239 2006-10-24 Ben Elliston <bje@au.ibm.com>
5241 * reload1.c: Formatting fixes.
5243 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5245 PR tree-optimization/14784
5246 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5247 * tree-ssa-structalias.c (get_constraint_for,
5248 intra_create_variable_infos): Set is_heapvar.
5249 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5250 non-heapvar pointer variables specially.
5252 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5255 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5256 fold_builtin_tan): Fold all constant arguments. Take a "type"
5257 argument as necessary.
5258 (do_mpfr_arg1): New.
5259 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5261 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5263 * config/xtensa/lib1funcs.asm: Use C-style comments.
5265 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5267 * tree.c (local_define_builtin): Replace calls to
5268 lang_hooks.builtin_function with add_builtin_function.
5269 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5271 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5273 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5274 common code to add_builtin_function.
5275 * langhooks.c (add_builtin_function): New function.
5276 (lhd_builtin_function): New function.
5277 * langhooks.h (struct lang_hooks): Change the signature of
5279 (add_builtin_function): New function.
5280 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5281 calls to lang_hooks.builtin_function with add_builtin_function.
5282 * c-common.c (decl_builtin_1): Replace calls to
5283 lang_hooks.builtin_function with add_builtin_function.
5284 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5285 lang_hooks.builtin_function with add_builtin_function.
5286 * config/frv/frv.c (def_builtin): Replace calls to
5287 lang_hooks.builtin_function with add_builtin_function.
5288 * config/s390/s390.c (s390_init_builtins): Replace calls to
5289 lang_hooks.builtin_function with add_builtin_function.
5290 * config/sparc/sparc.c (def_builtin): Replace calls to
5291 lang_hooks.builtin_function with add_builtin_function.
5292 * config/i386/i386.c (def_builtin): Replace calls to
5293 lang_hooks.builtin_function with add_builtin_function.
5294 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5295 lang_hooks.builtin_function with add_builtin_function.
5296 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5297 lang_hooks.builtin_function with add_builtin_function.
5298 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5299 Replace calls to lang_hooks.builtin_function with
5300 add_builtin_function.
5301 * config/iq2000/iq2000.c (def_builtin):
5302 Replace calls to lang_hooks.builtin_function with
5303 add_builtin_function.
5304 * config/ia64/ia64.c (def_builtin): Replace calls to
5305 lang_hooks.builtin_function with add_builtin_function.
5306 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5307 lang_hooks.builtin_function with add_builtin_function.
5308 (altivec_init_builtins): Replace calls to
5309 lang_hooks.builtin_function with add_builtin_function.
5310 * config/arm/arm.c (def_mbuiltin): Replace calls to
5311 lang_hooks.builtin_function with add_builtin_function.
5312 (arm_init_tls_builtins): Replace calls to
5313 lang_hooks.builtin_function with add_builtin_function.
5314 * config/mips/mips.c (mips_init_builtins): Replace calls to
5315 lang_hooks.builtin_function with add_builtin_function.
5316 * config/bfin/bfin.c (def_builtin): Replace calls to
5317 lang_hooks.builtin_function with add_builtin_function.
5318 * langhooks-def.h (lhd_builtin_function): New function.
5319 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5321 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5323 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5324 BUILT_IN_STRNCAT_CHK.
5326 2006-10-23 Jan Hubicka <jh@suse.cz>
5328 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5329 don't do conversion from memmove to memcpy here.
5330 (expand_builtin_bcopy, expand_builtin): Update call of
5331 expand_builtin_memmove.
5332 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5334 2006-10-23 Paul Brook <paul@codesourcery.com>
5336 * stor-layout.c (start_record_layout): maximum_field_alignment
5337 overrides STRUCTURE_SIZE_BOUNDARY.
5339 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5341 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5342 nonlocal function symbols if flag_pic.
5344 2006-10-23 Richard Guenther <rguenther@suse.de>
5348 * builtins.c (fold_binary): Remove checks for flag_wrapv
5349 and flag_trapv where negate_expr_p covers these cases.
5351 2006-10-23 Richard Guenther <rguenther@suse.de>
5354 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5355 of two on the absolute value.
5356 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5357 and negating -C does not overflow.
5359 2006-10-23 Richard Guenther <rguenther@suse.de>
5362 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5363 only if not flag_rounding_math.
5365 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5366 Kaz Kojima <kkojima@gcc.gnu.org>
5369 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5370 SImode memory reference for the source of a movua.
5371 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5372 (movua): Use an unspec instead of sign_extract. Expect the source
5373 to have mode BLKmode.
5374 (extv, insv): Use a BLKmode rather than SImode memory reference
5375 for the source of a movua.
5377 2006-10-22 Jeff Law <law@redhat.com>
5378 Richard Guenther <rguenther@suse.de>
5380 PR tree-optimization/15911
5381 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5382 (register_edge_assert_for_1): Likewise.
5383 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5384 (find_conditional_asserts): Adjust for new function signature.
5385 (find_assert_locations): Likewise.
5387 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5389 * config/i386/tmmintrin.h: Remove the duplicated content.
5391 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5393 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5394 (x86_64-*-*): Likewise.
5396 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5397 (override_options): Check SSSE3.
5398 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5399 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5400 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5401 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5402 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5403 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5404 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5405 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5406 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5407 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5408 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5409 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5410 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5411 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5412 IX86_BUILTIN_PABSD128.
5413 (bdesc_2arg): Add SSSE3.
5414 (bdesc_1arg): Likewise.
5415 (ix86_init_mmx_sse_builtins): Support SSSE3.
5416 (ix86_expand_builtin): Likewise.
5417 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5419 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5420 (UNSPEC_PSIGN): Likewise.
5421 (UNSPEC_PALIGNR): Likewise.
5422 Include mmx.md before sse.md.
5424 * config/i386/i386.opt: Add -mssse3.
5426 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5427 (ssse3_phaddwv4hi3): Likewise.
5428 (ssse3_phadddv4si3): Likewise.
5429 (ssse3_phadddv2si3): Likewise.
5430 (ssse3_phaddswv8hi3): Likewise.
5431 (ssse3_phaddswv4hi3): Likewise.
5432 (ssse3_phsubwv8hi3): Likewise.
5433 (ssse3_phsubwv4hi3): Likewise.
5434 (ssse3_phsubdv4si3): Likewise.
5435 (ssse3_phsubdv2si3): Likewise.
5436 (ssse3_phsubswv8hi3): Likewise.
5437 (ssse3_phsubswv4hi3): Likewise.
5438 (ssse3_pmaddubswv8hi3): Likewise.
5439 (ssse3_pmaddubswv4hi3): Likewise.
5440 (ssse3_pmulhrswv8hi3): Likewise.
5441 (ssse3_pmulhrswv4hi3): Likewise.
5442 (ssse3_pshufbv16qi3): Likewise.
5443 (ssse3_pshufbv8qi3): Likewise.
5444 (ssse3_psign<mode>3): Likewise.
5445 (ssse3_psign<mode>3): Likewise.
5446 (ssse3_palignrti): Likewise.
5447 (ssse3_palignrdi): Likewise.
5448 (abs<mode>2): Likewise.
5449 (abs<mode>2): Likewise.
5451 * config/i386/tmmintrin.h: New file.
5453 * doc/extend.texi: Document SSSE3 built-in functions.
5455 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5457 2006-10-22 Ira Rosen <irar@il.ibm.com>
5459 * tree-vect-transform.c (vectorizable_load): Use the type of the
5460 return value of the mask_for_load builtin to create realign_load
5463 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5465 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5468 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5470 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5471 (UNSPEC_LDDQU): This.
5472 * config/i386/sse.md (sse3_lddqu): Updated.
5474 2006-10-21 Richard Guenther <rguenther@suse.de>
5476 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5477 (expand_builtin): Use it to expand lrint instead of
5478 expand_builtin_mathfn.
5480 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5483 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5484 flag_unsafe_math_optimizations is set.
5486 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5489 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5490 patterns to use memory input operand in x87->mem->XMM
5491 reload sequences. Skip transformation for TARGET_K8.
5493 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5495 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5496 force operand1 to register if both operands are memory operands.
5497 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5498 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5499 if both operands are memory operands.
5500 (truncdfsf2): Do not force operand1 to register if both operands
5501 are memory operands.
5503 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5505 * Makefile.in (LIBS): Add $(GMPLIBS).
5506 * doc/install.texi: Update GMP and MPFR requirements.
5507 * doc/sourcebuild.texi (need_gmp): Delete.
5509 2006-10-21 Richard Guenther <rguenther@suse.de>
5511 PR tree-optimization/3511
5512 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5513 got new invariant arguments during PHI translation.
5515 2006-10-21 Richard Guenther <rguenther@suse.de>
5518 * fold-const.c (fold_comparison): Fold signed comparisons
5519 of the form X +- C1 CMP Y +- C2.
5521 2006-10-21 Richard Guenther <rguenther@suse.de>
5524 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5525 if flag_unsafe_math_optimizations is specified. We have
5526 flag_finite_math_only for that.
5527 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5528 or flag_unsafe_math_optimizations.
5530 2006-10-21 Richard Guenther <rguenther@suse.de>
5532 * builtins.c (fold_builtin_classify): Fix typo.
5534 2006-10-21 Richard Guenther <rguenther@suse.de>
5537 * simplify-rtx.c (simplify_const_relational_operation):
5538 Do not constant-fold ORDERED and UNORDERED for
5539 flag_unsafe_math_optimizations but only we do not need to
5540 honor NaNs for the given mode.
5542 2006-10-21 Richard Guenther <rguenther@suse.de>
5545 * config/i386/i386.c (classify_argument): Remove redundant
5546 walking of the BINFOs.
5547 (contains_128bit_aligned_vector_p): Likewise.
5549 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5551 * BASE-VER: Set to 4.3.0.
5553 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5555 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5556 (tree_decl_with_vis): Remove artificial_pta_var flag.
5557 * tree-flow.h (referenced_var_check_and_insert): Expose.
5558 (nonlocal_all): New prototype.
5559 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5560 (nonlocal_all): Make global.
5561 (nonlocal_lookup): Remove.
5562 (nonlocal_insert): Ditto.
5563 (create_nonlocal_var): Do not call nonlocal_insert.
5564 (get_nonlocal_id_for_type): Remove.
5565 (find_global_initializers): Mark new vars we find for renaming.
5566 (intra_create_variable_infos): Only create one nonlocal.
5567 (expand_nonlocal_solutions): Remove.
5568 (compute_points_to_sets): Don't call it.
5569 (ipa_pta_execute): Ditto.
5570 (init_alias_heapvars): Don't create nonlocal_for_type.
5571 (delete_alias_heapvars): Don't remove it.
5572 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5575 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5577 * doc/install.texi (Downloading GCC): Clarify mention of
5578 Fortran in the "full distribution" description.
5580 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5582 Fix PR tree-optimization/28778
5583 Fix PR tree-optimization/29156
5584 Fix PR tree-optimization/29415
5585 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5586 (tree_decl_with_vis): Add artificial_pta_var flag.
5587 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5588 pushed into callers.
5589 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5590 (nonlocal_all): Ditto.
5591 (struct variable_info): Add directly_dereferenced member.
5592 (var_escaped_vars): New variable.
5593 (escaped_vars_tree): Ditto.
5594 (escaped_vars_id): Ditto.
5595 (nonlocal_vars_id): Ditto.
5596 (new_var_info): Set directly_dereferenced.
5597 (graph_size): New variable
5598 (build_constraint_graph): Use graph_size.
5599 (solve_graph): Don't process constraints that cannot change the
5600 solution, don't try to propagate an empty solution to our
5602 (process_constraint): Set directly_dereferenced.
5603 (could_have_pointers): New function.
5604 (get_constraint_for_component_ref): Don't process STRING_CST.
5605 (nonlocal_lookup): New function.
5606 (nonlocal_insert): Ditto.
5607 (create_nonlocal_var): Ditto.
5608 (get_nonlocal_id_for_type): Ditto.
5609 (get_constraint_for): Allow results vector to be empty in the case
5610 of string constants.
5611 Handle results of calls properly.
5612 (update_alias_info): Update alias info stats on number and type of
5614 (find_func_aliases): Use could_have_pointers.
5615 (make_constraint_from_escaped): Renamed from
5616 make_constraint_to_anything, and changed to make constraints from
5618 (make_constraint_to_escaped): New function.
5619 (find_global_initializers): Ditto.
5620 (create_variable_info_for): Make constraint from escaped to any
5621 global variable, and from any global variable to the set of
5623 (intra_create_variable_infos): Deal with escaped instead of
5624 pointing to anything.
5625 (set_uids_in_ptset): Do type pruning on directly dereferenced
5627 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5628 (init_base_vars): Fix comment, and initialize escaped_vars.
5629 (need_to_solve): Removed.
5630 (find_escape_constraints): New function.
5631 (expand_nonlocal_solutions): Ditto.
5632 (compute_points_to_sets): Call find_escape_constraints and
5633 expand_nonlocal_solutions.
5634 (delete_points_to_sets): Don't fall off the end of the graph.
5635 (init_alias_heapvars): Initialize nonlocal_for_type and
5637 (delete_alias_heapvars): Free nonlocal_for_type and null out
5640 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5642 * fold-const.c (add_double): Rename to add_double_with_sign.
5643 Add 'unsigned_p' parameter and take it into account for the overflow.
5644 (mul_double): Rename to mul_double_with_sign.
5645 Add 'unsigned_p' parameter and take it into account for the overflow.
5646 (fold_div_compare): Call add_double_with_sign instead of add_double
5647 and mul_double_with_sign instead of mul_double, passing them the
5648 unsignedness of the type.
5649 * tree.h (add_double): Macroize.
5650 (add_double_with_sign): New prototype.
5651 (mul_double): Macroize.
5652 (mul_double_with_sign): New prototype.
5654 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5656 * config/score/crti.asm: New file.
5657 * config/score/crtn.asm: New file.
5658 * config/score/elf.h: New file.
5659 * config/score/mac.md: New file.
5660 * config/score/misc.md: New file.
5661 * config/score/mul-div.S: New file.
5662 * config/score/predicates.md: New file.
5663 * config/score/score7.md: New file.
5664 * config/score/score.c: New file.
5665 * config/score/score-conv.h: New file.
5666 * config/score/score.h: New file.
5667 * config/score/score.md: New file.
5668 * config/score/score-mdaux.c: New file.
5669 * config/score/score-mdaux.h: New file.
5670 * config/score/score-modes.def: New file.
5671 * config/score/score.opt: New file.
5672 * config/score/score-protos.h: New file.
5673 * config/score/score-version.h: New file.
5674 * config/score/t-score-elf: New file.
5675 * config.gcc: Add score*-*-* configurations(Update before).
5676 * doc/invoke.texi (Score Options): New section.
5677 * doc/md.texi (Score family): New section to document constraints.
5679 2006-10-19 Nick Clifton <nickc@redhat.com>
5681 * config/arm/arm.c: Fix spelling typo.
5683 2006-10-18 Tom Tromey <tromey@redhat.com>
5685 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5687 2006-10-18 Jan Hubicka <jh@suse.cz>
5690 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5693 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5695 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5696 TSI_SAME_STMT, since that's the desired entity.
5698 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5700 * config/s390/contraints.md: New file.
5701 * config/s390/s390-protos.h (s390_mem_constraint,
5702 s390_O_constraint_str, s390_N_constraint_str,
5703 s390_float_const_zero_p): Function prototypes added.
5704 * config/s390/s390.c (s390_extra_constraint_str,
5705 s390_const_double_ok_for_constraint_p,
5706 s390_const_ok_for_constraint_p): Functions removed.
5707 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5708 s390_float_const_zero_p): New functions.
5709 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5710 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5711 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5712 Macro definitions removed.
5713 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5714 s390_extra_constraint_str): Functions removed.
5716 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5717 Richard Sandiford <richard@codesourcery.com>
5720 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5721 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5723 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5725 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5726 (DWARF2_FRAME_REG_OUT): Likewise.
5727 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5728 (DWARF2_FRAME_REG_OUT): Likewise.
5730 2006-10-17 Paul Brook <paul@codesourcery.com>
5732 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5734 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5736 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5737 Standardize on "GNU Fortran" as the official name of the Fortran
5740 2006-10-16 Mike Stump <mrs@apple.com>
5742 * doc/invoke.texi (Darwin Options): Document -mkernel.
5743 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5745 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5746 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5747 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5748 (OS_MISSING_ALTIVEC): Add.
5749 * config/i386/i386.c (override_options): Add
5750 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5751 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5752 -mkernel, -static or -mdynamic-no-pic is given.
5753 (C_COMMON_OVERRIDE_OPTIONS): Add.
5754 * config/darwin.opt (fapple-kext): Add.
5756 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5757 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5759 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5760 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5761 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5762 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5763 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5764 (flag_mkernel): Add.
5765 (flag_apple_kext): Add.
5766 (TARGET_KEXTABI): Add.
5767 * config/darwin.c (darwin_handle_kext_attribute): Add.
5768 (DARWIN_VTABLE_P): Add.
5769 (darwin_binds_local_p): Add partial support for rebinding vtables
5771 (darwin_kextabi_p): Add.
5772 (darwin_override_options): Add.
5773 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5774 (darwin_kextabi_p): Add.
5775 (darwin_override_options): Add.
5776 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5777 __DYNAMIC__ and __STATIC__ here.
5779 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5781 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5782 Added mention of "make pdf" target, and Texinfo requirements for
5785 2006-10-16 DJ Delorie <dj@redhat.com>
5787 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5788 into the GOT in case we need a subreg of the address.
5790 2006-10-16 Richard Guenther <rguenther@suse.de>
5793 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5794 SSE builtin documentation. Document SSE2 builtins.
5796 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5798 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5799 symbol in the output file for non-shared links when -nostdlib or
5800 -nodefaultlibs isn't specified.
5802 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5803 posix thread support.
5805 2006-10-15 Jan Hubicka <jh@suse.cz>
5808 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5809 declared always_inline even when not inlining.
5811 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5812 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5813 Andrew Pinski <pinskia@gmail.com>
5816 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5818 2006-10-15 Jan Hubicka <jh@suse.cz>
5819 Richard Guenther <rguenther@suse.de>
5822 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5823 process_function_and_variable_attributes on all variables, including
5824 those discovered during cgraph construction phase.
5826 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5828 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5830 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5832 * config/i386/athlon.md (athlon_fist): Add fisttp.
5834 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5835 Ian Lance Taylor <ian@airs.com>
5838 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5839 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5842 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5844 * config/score/score.c, config/score/score.h: Fix comment
5847 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5850 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5853 2006-10-13 Eric Christopher <echristo@apple.com>
5855 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5857 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5860 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5861 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5862 alignment supported by 32-bit ELF.
5864 2006-10-13 Eric Christopher <echristo@apple.com>
5866 * config/darwin.c (darwin_emit_unwind_label): Strip
5867 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5869 2006-10-13 Richard Guenther <rguenther@suse.de>
5871 PR tree-optimization/29446
5872 * tree-vrp.c (fix_equivalence_set): Remove.
5873 (extract_range_from_assert): Do not call fix_equivalence_set.
5874 (debug_value_range): Print a newline.
5875 (compare_name_with_value): For equivalence sets with
5876 inconsistent value ranges conservatively bail out.
5877 (compare_names): Likewise.
5879 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5881 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5882 and MPFR for gfortran.
5884 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5886 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5887 alignment supported by 32-bit ELF.
5889 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5893 * c-typeck.c (digest_init): Always allow initializing vectors
5894 that have static storage duration with compound literals.
5895 * tree.c (build_type_attribute_qual_variant): New, based on
5896 build_type_attribute_variant.
5897 (build_type_attribute_variant): Rewrite using the former.
5898 (make_vector_type): Use build_type_attribute_qual_variant to build
5899 type variants. Use type_hash_canon on the others.
5901 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5902 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5904 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5906 2006-10-12 Jan Hubicka <jh@suse.cz>
5909 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5910 current_function_decl is set but current_function_scope is not.
5912 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5914 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5915 emit_insn to emit eh_return_internal instruction.
5916 (eh_return_internal): Explicitly set pc.
5918 2006-10-11 Richard Guenther <rguenther@suse.de>
5920 PR tree-optimization/28230
5921 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5922 to the correct place.
5924 2006-10-11 Richard Guenther <rguenther@suse.de>
5927 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5930 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5932 * configure.ac: Added pdf to "Make-hooks"
5933 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5934 targets and *.pdf file patterns in cleanup targets.
5935 * configure: Regenerated.
5937 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5939 * config/avr/predicates.md: New file.
5940 * config/avr/avr.md: Include it.
5941 (REG_SP): New constant.
5942 (peepholes): Use predicates.
5943 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5944 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5945 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5947 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5949 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5952 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5955 * builtins.c (var_decl_component_p): New function.
5956 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5957 single entry optimization to variables and components thereof.
5959 2006-10-10 Richard Guenther <rguenther@suse.de>
5961 PR rtl-optimization/29323
5962 * except.c (set_nothrow_function_flags): For functions
5963 that do not bind local bail out early.
5965 2006-10-10 Ben Elliston <bje@au.ibm.com>
5967 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5970 2006-10-09 Richard Henderson <rth@redhat.com>
5972 Revert emutls patch.
5974 2006-10-09 Richard Guenther <rguenther@suse.de>
5977 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5980 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5983 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5984 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5985 * configure: Regenerate.
5986 * config.in: Regenerate.
5988 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5990 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5992 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5994 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5995 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5996 Remove stray newline.
5998 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6000 * config/mips/mips.c (mips_classify_symbol): Do not return
6001 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6002 (mips_in_small_data_p): Tweak comments.
6004 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6006 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6008 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6010 * gimplify.c, sched-int.h: Fix comment typos.
6012 * sched-int.h: Fix comment typos.
6014 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6016 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6018 * sched-ebb.c (begin_schedule_ready): Use them.
6019 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6020 add_to_speculative_block, create_check_block_twin, speculate_insn,
6021 fix_jump_move, move_block_after_check): Ditto.
6022 * sched-rgn.c (new_ready): Ditto.
6024 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6026 PR rtl-optimization/29128
6027 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6028 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6029 allow interblock movement of speculation checks.
6031 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6034 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6035 casted to integer type.
6036 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6037 if they are significantly more expensive than [reg + index] ones.
6039 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6041 PR tree-optimization/29330
6042 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6043 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6044 on newly allocated ddrs.
6045 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6046 to VEC (loop_p, heap) pointer.
6047 (compute_data_dependences_for_loop): Adjust caller.
6048 (free_dependence_relations): Free DDR_LOOP_NEST.
6050 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6051 free DEPENDENCE_RELATIONS and DATAREFS.
6054 * builtins.c (expand_builtin_sync_operation,
6055 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6056 Use convert_to_mode to handle promoted arguments.
6058 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6060 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6062 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6064 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6066 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6068 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6069 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6070 Use <modeconstraint> instead of "r" as operand 1 constraint.
6072 2006-10-06 Olivier Hainque <hainque@adacore.com>
6074 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6075 Don't recurse on the pointed-to type.
6076 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6077 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6078 types with components of variable size.
6080 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6082 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6084 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6086 PR tree-optimization/29290
6087 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6091 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6092 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6095 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6096 the number of vector elements fill the rest with zeros.
6098 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6100 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6101 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6104 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6106 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6107 unnamed pattern into subsi3. Use correct constraints/predicates.
6108 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6109 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6111 2006-10-05 Ira Rosen <irar@il.ibm.com>
6113 * doc/loop.texi: Add data references analysis description.
6115 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6117 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6119 2006-10-04 Richard Henderson <rth@redhat.com>
6120 Jakub Jelinek <jakub@redhat.com>
6122 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6123 * builtin-types.def (BT_WORD): Make unsigned.
6124 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6125 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6126 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6127 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6128 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6129 * cgraph.c (decide_is_variable_needed): Look at force_output.
6130 Recurse for emulated tls.
6131 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6132 checks redundant with decide_is_variable_needed.
6133 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6134 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6136 * expr.c (emutls_var_address): New.
6137 (expand_expr_real_1): Expand emulated tls.
6138 (expand_expr_addr_expr_1): Likewise.
6139 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6140 * output.h (emutls_finish): Declare.
6141 * toplev.c (compile_file): Call it.
6142 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6143 address before wrapping in CONST.
6144 * varasm.c (emutls_htab, emutls_object_type): New.
6145 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6146 (get_emutls_object_name, get_emutls_object_type): New.
6147 (get_emutls_init_templ_addr, emutls_decl): New.
6148 (emutls_common_1, emutls_finish): New.
6149 (assemble_variable): When emulating tls, swap decls; generate
6150 constructor for the emutls objects.
6151 (do_assemble_alias): When emulating tls, swap decl and target name.
6152 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6154 * emutls.c: New file.
6155 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6156 tls_object for real tls.
6158 2006-10-04 Zack Weinberg <zackw@panix.com>
6160 Fix bug in constraint-check generator, reported by Rask Ingemann
6162 * genpreds.c (add_constraint): Don't remove anything from the
6164 (write_tm_constrs_h): Detect whether "op" argument is used, and
6165 mark it ARG_UNUSED if it isn't.
6166 (write_insn_const_int_ok_for_constraint): Skip the part of the
6167 expression that would test whether "op" (which is not available
6168 here) is a CONST_INT.
6170 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6173 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6175 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6177 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6178 current Leopard versions.
6179 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6181 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6183 * doc/install.texi: Fix typos.
6185 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6187 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6188 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6189 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6191 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6193 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6194 arg to be struct mach_header_64* instead.
6196 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6199 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6200 side effects after the outer expression's post side effects.
6202 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6204 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6205 comments to reflect actual behavior and relationship between
6206 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6208 * doc/c-tree.texi (Working with declarations): Fix documentation
6209 of FIELD_DECL likewise.
6211 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6214 * doc/extend.texi: Add used variable attribute description.
6216 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6219 * c.opt (Woverride-init): New.
6220 * c-opts.c (c_common_post_options): Default warn_override_init to
6222 * c-typeck.c (add_pending_init, output_init_element): Warn for
6223 overriding initializers without side effects.
6224 * doc/invoke.texi (-Woverride-init): Document.
6227 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6229 PR rtl-optimization/28096
6230 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6231 assignment has already been used as a destination earlier in the block.
6233 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6235 * builtins.c (expand_builtin_setjmp): Delete.
6236 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6237 <BUILT_IN_SETJMP_SETUP>: New case.
6238 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6239 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6240 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6241 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6242 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6243 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6244 (lower_function_body): Initialize it to false. If it is set to true
6245 at the end of the processing, emit the setjmp dispatcher.
6246 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6247 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6248 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6249 on the rhs of the assignment.
6250 (lower_builtin_setjmp): New function.
6251 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6252 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6253 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6254 to detect calls that can go to non-local labels. Use specific
6255 helper to create the abnormal edges associated with them.
6256 <MODIFY_EXPR>: Likewise.
6257 (make_abnormal_goto_edges): New function extracted from...
6258 (make_goto_expr_edges): ...here. Call it for computed gotos.
6259 (simple_goto_p): Minor tweak.
6260 (tree_can_make_abnormal_goto): New predicate.
6261 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6262 (tree_purge_dead_abnormal_call_edges): New function.
6263 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6264 (tree_purge_dead_abnormal_call_edges): Likewise.
6265 (make_abnormal_goto_edges): Likewise.
6266 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6267 Purge all dead abnormal edges if the call was in the last statement.
6268 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6269 (execute_fixup_cfg): If there are non-local labels in the function,
6270 scan the basic blocks and split them at calls that can go to non-local
6271 labels or add missing abnormal call edges. Write down the CFG in the
6273 (pass_fixup_cfg): Remove TODO_dump_func flag.
6274 * unwind-sjlj.c: Poison setjmp.
6275 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6276 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6277 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6278 (DONT_USE_BUILTIN_SETJMP): Document it.
6280 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6283 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6284 to 1 when __ppc64__ is defined.
6285 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6287 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6289 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6291 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6292 * config/ia64/unwind-hpux.c: Delete.
6294 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6296 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6297 on the element before gimplifying it, instead of punting if it is of
6300 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6302 * doc/loop.texi: New file.
6303 * doc/gccint.texi: Reference loop.texi.
6304 * Makefile.in (loop.texi): Add.
6306 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6308 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6310 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6311 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6313 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6315 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6317 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6319 * doc/install.texi: Document required versions of GMP and MPFR.
6321 2006-09-27 Paul Brook <paul@codesourcery.com>
6324 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6326 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6328 * reload1.c (alter_reg): Require the alignment of the stack slot to
6329 be at least reg_max_ref_width bytes.
6330 (scan_paradoxical_subregs): Record the largest width in
6333 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6337 * tree-nested.c (struct nesting_info): Added static_chain_added.
6338 (convert_call_expr): Set static_chain_added when adding static
6339 chain. Handle OMP_PARALLEL and OMP_SECTION.
6341 2006-09-25 Matthias Klose <doko@debian.org>
6343 * doc/invoke.texi: Add missing full stop.
6345 2006-09-25 Richard Henderson <rth@redhat.com>
6347 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6348 before cgraph_function_flags_ready.
6350 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6351 Adam Nemet <anemet@caviumnetworks.com>
6353 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6354 determine_common_wider_type): New functions.
6355 (get_computation_aff): Use them to simplify arithmetic between
6356 UBASE and CBASE if they are shortened from the same type.
6358 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6361 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6362 -2147483647 - 1 instead of 0x80000000.
6364 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6366 * flags.h (HONOR_NANS): Fix typo in comment.
6368 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6370 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6372 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6376 * tree.c (merge_attributes, attribute_list_contained): If both
6377 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6379 * c-typeck.c (comptypes_internal): Don't consider aggregates
6380 in different TUs as compatible if there one set of attributes is
6381 not a subset of the other type's attributes.
6382 (composite_type): Try harder not to create a new aggregate type.
6384 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6386 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6387 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6388 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6389 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6390 than replicating condition above.
6391 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6393 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6394 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6395 the linker by default.
6397 2006-09-22 Mike Stump <mrs@apple.com>
6399 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6402 2006-09-22 Richard Guenther <rguenther@suse.de>
6405 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6406 sort of stack variables stable.
6408 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6411 * explow.c (force_reg): Set REG_POINTER flag according to
6414 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6416 PR tree-optimization/28888
6417 * tree-if-conv.c (combine_blocks): Rewritten.
6418 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6419 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6421 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6423 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6426 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6428 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6430 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6432 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6434 2006-09-21 Roger Sayle <roger@eyesopen.com>
6437 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6438 dw_fde_current_label, to be the start of the function, i.e. the same
6439 value as dw_fde_begin.
6441 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6443 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6444 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6445 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6446 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6447 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6448 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6449 (abs<mode>2, neg<mode>2): Likewise.
6450 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6451 (*mips_abs_ps): New define_insn.
6453 2006-09-20 Josh Conner <jconner@apple.com>
6456 * calls.c (expand_call): Allow reuse of structure return stack
6459 2006-09-20 Paul Brook <paul@codesourcery.com>
6461 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6464 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6466 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6467 clean up terminology.
6469 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6472 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6473 with tablejumps in them.
6475 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6478 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6479 wrap it into TARGET_EXPR.
6481 2006-09-20 Eric Christopher <echristo@apple.com>
6483 * config/i386/i386.c (x86_fisttp): Remove.
6484 * config/i386/i386.h (x86_fisttp): Ditto.
6485 (TARGET_FISTTP): Ditto.
6487 2006-09-19 Eric Christopher <echristo@apple.com>
6489 * doc/tm.texi (OBJC_JBLEN): Describe.
6490 * config/i386/darwin.h (OBJC_JBLEN): Define.
6491 * config/rs6000/darwin.h: Ditto.
6493 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6495 PR rtl-optimization/21299
6496 * reload1.c (reload): Purge invalid ASMs in the final pass.
6498 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6501 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6502 pointers as legitimate constants.
6504 2006-09-19 Paul Brook <paul@codesourcery.com>
6507 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6509 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6511 PR tree-optimization/28887
6512 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6513 component parts from the reference.
6514 (gather_memory_references_ref): Record the reference without the
6515 nonaddressable component parts.
6517 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6520 * c-opts.c (c_common_handle_option): Ignore the -std options
6521 if the input language is assembly.
6523 2006-09-17 Ira Rosen <irar@il.ibm.com>
6526 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6528 (ptr_ptr_may_alias_p): Likewise.
6529 (record_record_differ_p): New function.
6530 (base_object_differ_p): Call record_record_differ_p.
6532 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6535 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6536 away for the expr argument.
6538 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6541 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6542 before using it for dumping after vectorizing loops.
6544 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6545 Jack Howarth <howarth@bromo.med.uc.edu>
6548 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6549 skip on error_mark_node.
6550 (rs6000_darwin64_record_arg_recurse): Likewise.
6552 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6554 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6555 * doc/rtl.texi: Remove related documentation.
6557 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6559 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6562 2006-09-15 Jim Wilson <wilson@specifix.com>
6564 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6565 Handle symbol offsets same as they are handled in ia64_expand_move
6568 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6570 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6571 Add forgotten parameter to the fprintf call.
6573 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6575 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6577 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6579 * doc/contrib.texi: Add my entry.
6581 2006-09-15 Nick Clifton <nickc@redhat.com>
6583 * doc/md.texi (Processor pipeline description): Fix typo in
6584 example of how to use the absence_set directive and reword the
6585 description to make it slightly easier to read.
6587 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6589 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6590 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6591 expanding the number of iterations.
6592 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6594 * cfgrtl.c (emit_insn_at_entry): New function.
6595 * rtl.h (emit_insn_at_entry): Declare it.
6596 * integrate.c (emit_initial_value_sets): Use it.
6598 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6600 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6602 (struct loop_work and related VEC declarations): Delete.
6603 (bfin_dump_loops): Print out new member bad.
6604 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6605 (bfin_scan_loop): Don't recurse.
6606 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6607 loops. No longer need to update outer loops if the current one is
6608 found bad. Move some validitiy checks to bfin_discover_loop.
6609 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6610 but changed not to check for nesting. Also changed to use the new bad
6612 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6613 time. Use bitmap based test to discover loop nesting.
6615 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6617 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6620 2006-09-14 Richard Guenther <rguenther@suse.de>
6621 Kazu Hirata <kazu@codesourcery.com>
6623 PR middle-end/28884.
6624 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6625 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6626 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6627 with TARGET_FUNCTION_VALUE.
6629 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6632 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6634 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6636 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6639 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6642 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6645 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6647 * basic_block.h (bb_has_eh_pred): Fix comment.
6649 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6651 * flow.c (calculate_global_regs_live): Invalidate eh registers
6652 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6653 (propagate_block): Handle eh registers as if they were set at basic
6655 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6657 * global.c (global_conflicts): Make eh registers to conflict with
6658 pseudos live at basic block begin.
6659 * basic_block.h (bb_has_eh_pred): New function.
6661 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6663 PR rtl-optimization/28982
6664 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6665 index of a PRE_MODIFY or POST_MODIFY address.
6666 * reload1.c (inc_for_reload): Use find_replacement on the original
6667 base and index registers.
6669 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6671 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6672 for -Os. Update __m128 alignment requirement.
6674 2006-09-13 Jan Hubicka <jh@suse.cz>
6676 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6678 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6680 PR rtl-optimization/28243
6681 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6682 the insn to which the note was originally attached.
6684 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6685 Roger Sayle <roger@eyesopen.com>
6687 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6688 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6689 on platforms that don't use dwarf for debug info.
6691 2006-09-12 Jason Merrill <jason@redhat.com>
6694 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6695 hard_frame_pointer_rtx after using it to update the frame pointer.
6697 2006-09-12 Roger Sayle <roger@eyesopen.com>
6699 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6700 (TARGET_ASM_CLOSE_PAREN): Likewise.
6701 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6702 (TARGET_ASM_CLOSE_PAREN): Likewise.
6704 2006-09-12 Roger Sayle <roger@eyesopen.com>
6707 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6708 frame information for frames larger than 512 Kbytes on Tru64 when
6709 using the native assembler.
6711 2006-09-12 Roger Sayle <roger@eyesopen.com>
6715 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6716 and symbols. Instead use the implementation from cse.c's hash_rtx.
6718 2006-09-12 Jan Hubicka <jh@suse.cz>
6720 PR rtl-optimization/28071
6721 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6722 (vect_transform_loop): Likewise.
6723 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6724 (new_loop_vec_info): Likewise.
6725 (destroy_loop_vec_info): Likewise.
6726 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6727 (create_stmt_ann): Likewise.
6728 (create_tree_ann): Rename to ...
6729 (create_tree_common_ann): ... this one; allocate only the common part
6731 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6732 (get_value_handle): Likewise.
6733 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6734 get_tree_common_ann.
6735 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6736 (vinfo_for_stmt): Use stmt annotations.
6737 * tree-flow.h (tree_ann_common_t): New type.
6738 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6739 (tree_ann, get_tree_ann, create_tree_ann): New.
6740 * tree-flow-inline.h (get_function_ann): Do more type checking.
6741 (stmt_ann): Likewise.
6742 (tree_ann): Rename to ...
6743 (tree_common_ann): ... this one; return ony common_ann
6744 (get_tree_ann): Rename to ...
6745 (tree_common_ann): This one; return only common_ann.
6746 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6749 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6751 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6752 with_cpu by default.
6754 * dwarf2out.c (dwarf_file_data): New.
6755 (enum dw_val_class): Add dw_val_class_file.
6756 (struct dw_val_struct): Add val_file.
6757 (file_table): Change to a hash table.
6758 (file_table_emitted): Delete.
6759 (file_table_last_lookup_index): Delete.
6760 (emitcount): Delete.
6761 (last_emitted_file): New.
6762 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6763 (init_file_table): Delete.
6764 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6765 (AT_addr): Add comment.
6769 (print_die): Handle dw_val_class_file.
6770 (print_dwarf_line_table): Update for new file table structure.
6771 (attr_checksum): Do checksum a filename.
6772 (same_dw_val_p, same_attr_p): Do compare a filename.
6773 (size_of_die): Handle dw_val_class_file.
6774 (value_format): Likewise.
6775 (output_die): Likewise. Also, call maybe_emit_file here.
6776 (struct file_info): Constify filenames. Make file_idx a pointer
6777 to a struct dwarf_file_data.
6778 (struct dir_info): Constify directory names. Remove 'used' field.
6779 (struct file_name_acquire_data): New.
6780 (file_name_acquire): New.
6781 (output_file_names): Modify to handle new file data structures.
6782 (add_src_coords_attributes): Use add_AT_file.
6783 (add_call_src_coords_attributes): Likewise.
6784 (dwarf2out_imported_module_or_decl): Likewise.
6785 (gen_subprogram_die): Modify for new file data structures.
6786 (gen_variable_die): Likewise.
6787 (file_table_eq): New.
6788 (file_table_hash): New.
6789 (file_table_last_lookup): New.
6790 (lookup_filename): Rewrite to handle new file data structures.
6791 (maybe_emit_file): Rewrite to handle new file data structures.
6792 (dwarf2out_source_line): Always call lookup_filename and
6794 (dwarf2out_init): Create file_table here.
6795 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6796 (file_table_relative_p): New.
6797 (dwarf2out_finish): Change detection of relative filenames
6798 to work with new file data structures. Move output_line_info call
6799 after debug_info output.
6801 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6806 * config/i386/i386.c (override_options): Always default to 16
6807 byte stack boundary.
6809 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6812 * var-tracking.c (dump_dataflow_set): Start dumping at
6814 (clobber_variable_part): Kill only the variable part in
6815 registers holding it, leaving other variables alone.
6817 2006-09-11 Josh Triplett <josh@freedesktop.org>
6819 * doc/extend.texi (Other Builtins): Actually use the macro
6820 argument in the documentation example for
6821 __builtin_types_compatible_p.
6823 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6825 PR rtl-optimization/28726
6826 * sched-deps.c (sched_analyze_reg): New function extracted from...
6827 (sched_analyze_1): ...here. Call it to analyze references to
6828 registers. Treat again writes to a stack register as writing to the
6830 (sched_analyze_2): ...and here. Call it to analyze references to
6831 registers. Treat again reads of a stack register as reading the
6834 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6835 David Edelsohn <edelsohn@gnu.org>
6838 * config/rs6000/spe.md (frob_df_di): Remove %H.
6839 (frob_di_df): Remove %H. Change evmergelo to mr.
6840 (frob_di_df_2): Remove %H. Change evldd to two loads.
6842 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6844 * doc/cpp.texi: Fix names of charset options.
6846 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6849 * config/i386/i386.c (override_options): Use 128-bit
6850 stack boundary always for 64bits.
6852 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6854 PR rtl-optimization/28636
6855 * combine.c (force_to_mode): Test for side-effects before
6856 substituting by zero.
6857 (simplify_shift_const): Likewise for zero or other constants.
6859 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6862 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6865 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6868 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6869 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6870 returned by mode_for_size, rather than the mode of src itself,
6871 to choose between 32-bit and 64-bit patterns.
6872 (mips_mem_fits_mode_p): New function.
6873 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6874 that the size of the source matches the size of the destination.
6875 (mov_<store>l, mov_<store>r): Likewise.
6877 2006-09-10 Eric Christopher <echristo@apple.com>
6879 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6882 2006-09-09 Eric Christopher <echristo@apple.com>
6885 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6888 2006-09-09 Roger Sayle <roger@eyesopen.com>
6889 Nicolas Setton <setton@adacore.com>
6891 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6893 2006-09-10 Andreas Schwab <schwab@suse.de>
6895 * config/m68k/m68k.md (bungt_rev): New pattern.
6897 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6898 Dale Johannesen <dalej@apple.com>
6901 * regclass.c (struct reg_pref): Update documentation.
6902 (regclass): Set prefclass to NO_REGS if memory is the best option.
6903 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6905 2006-09-08 Eric Christopher <echristo@apple.com>
6907 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6908 * config/t-slibgcc-darwin: Support x86_64 multilib.
6909 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6910 Return 1 for x86_64-darwin.
6911 * config/i386/t-darwin: Add m64 multilib.
6912 (LIB2_SIDITI_CONV_FUNCS): Use.
6913 (LIB2FUNCS_EXTRA): Ditto.
6914 * config/i386/darwin.h: Support x86_64.
6915 * config/i386/i386.c (override_options): Turn on flag_pic
6916 for x86_64-darwin. Disable flag_omit_pointer.
6917 (get_pc_thunk_name): Assert !TARGET_64BIT.
6918 (legitimate_address_p): Disable machopic addressing for
6920 (legitimize_pic_address): Ditto.
6921 (ix86_expand_move): Ditto.
6922 (ix86_expand_call): Ditto.
6923 (machopic_output_stub): Ditto.
6924 * config/darwin.c (machopic_select_section): Support literal16.
6925 (machopic_select_rtx_section): Ditto.
6926 * config/darwin-sections.def: Ditto.
6927 * config/darwin-64.c: New.
6929 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6932 * c-tree.h (struct c_arg_info): Add pending_sizes.
6933 * c-parser.c (c_parser_parms_declarator,
6934 c_parser_parms_list_declarator): Initialize pending_sizes.
6935 * c-decl.c (get_parm_info): Initialize pending_sizes.
6936 (get_parm_info): Set pending_sizes.
6937 (grokdeclarator): Call put_pending_sizes for parameters for
6938 function definition only.
6940 2006-09-07 Jason Merrill <jason@redhat.com>
6943 * varasm.c (output_constant): Only strip actual no-op conversions.
6946 * config/i386/i386.c (override_options): Use 128-bit
6947 stack boundary if -msse.
6949 2006-09-07 Eric Christopher <echristo@apple.com>
6951 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6953 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6956 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6958 * dwarf2out.c: Remove strange characters from comment above
6959 dwarf2out_frame_debug_expr.
6961 2006-09-07 Eric Christopher <echristo@apple.com>
6963 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6964 * config/darwin.h: ... to here.
6966 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6968 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6970 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6971 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6973 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6974 TARGET_PARTIAL_FLAG_REG_STALL.
6975 (*ashldi3_cconly_rex64): Likewise.
6976 (*ashlsi3_cmp): Likewise.
6977 (*ashlsi3_cconly): Likewise.
6978 (*ashlsi3_cmp_zext): Likewise.
6979 (*ashlhi3_cmp): Likewise.
6980 (*ashlhi3_cconly): Likewise.
6981 (*ashlqi3_cmp): Likewise.
6982 (*ashlqi3_cconly): Likewise.
6983 (*ashrdi3_cmp_rex64): Likewise.
6984 (*ashrdi3_cconly_rex64): Likewise.
6985 (*ashrsi3_cmp): Likewise.
6986 (*ashrsi3_cconly): Likewise.
6987 (*ashrsi3_cmp_zext): Likewise.
6988 (*ashrhi3_cmp): Likewise.
6989 (*ashrhi3_cconly): Likewise.
6990 (*ashrqi3_cmp): Likewise.
6991 (*ashrqi3_cconly): Likewise.
6992 (*lshrdi3_cmp_rex64): Likewise.
6993 (*lshrdi3_cconly_rex64): Likewise.
6994 (*lshrsi3_cmp): Likewise.
6995 (*lshrsi3_cconly): Likewise.
6996 (*lshrsi3_cmp_zext): Likewise.
6997 (*lshrhi3_cmp): Likewise.
6998 (*lshrhi3_cconly): Likewise.
6999 (*lshrqi2_cmp): Likewise.
7000 (*lshrqi2_cconly): Likewise.
7002 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7005 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7006 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7007 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7008 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7009 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7010 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7011 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7012 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7013 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7014 implement only CC setting effects of shift instructions.
7016 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7018 * doc/contrib.texi: Add myself.
7020 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7023 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7024 was set by the user.
7026 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7029 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7030 (divsi_inv_m1): Use them.
7031 (UNSPEC_DIV_INV_TABLE): New constant.
7033 2006-09-06 James E Wilson <wilson@specifix.com>
7036 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7037 then call count_or_remove_death_notes.
7039 2006-09-06 Jason Merrill <jason@redhat.com>
7042 * tree-inline.c (copy_result_decl_to_var): New fn.
7043 (declare_return_variable): Use it. Call declare_inline_vars here.
7044 (expand_call_inline): Not here.
7046 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7048 * doc/contrib.texi: Update my entry.
7050 2006-09-06 Nick Clifton <nickc@redhat.com>
7052 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7054 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7057 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7058 (canonicalize_induction_variables): Likewise.
7059 (tree_unroll_loops_completely): Likewise.
7060 (tree_ssa_prefetch_arrays): Likewise.
7061 (remove_empty_loops): Likewise.
7062 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7063 TODO_cleanup_cfg instead of directly calling
7064 cleanup_tree_cfg_loop.
7065 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7067 (tree_unroll_loops_completely): Likewise.
7068 (remove_empty_loops): Likewise.
7069 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7070 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7071 of tree_ssa_unswitch_loops.
7072 (tree_ssa_loop_ivcanon): Use the return value of
7073 canonicalize_induction_variables.
7074 (tree_ssa_empty_loop): Use the return value of
7076 (tree_complete_unroll): Use the return value of
7077 tree_unroll_loops_completely.
7078 (tree_ssa_loop_prefetch): Use the return value of
7079 tree_ssa_prefetch_arrays.
7080 * passes.c (execute_todo): Before Cleanup CFG, set
7081 updating_used_alone and after cleanup CFG, call
7082 recalculate_used_alone.
7084 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7087 * tree-vect-transform.c (vectorizable_condition): Move the check
7088 for the type after the check for simple condition.
7090 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7091 Kaz Kojima <kkojima@gcc.gnu.org>
7094 * mode-switching.c (optimize_mode_switching): Make the destination
7095 block of an abnormal edge have no anticipatable mode. Don't
7096 insert mode switching code at the end of the source block of
7099 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7101 PR rtl-optimization/26847
7102 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7103 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7104 (simplify_plus_minus): Count n_constants while filling ops. Replace
7105 qsort with insertion sort. Before going through the array to simplify
7106 pairs, sort it. Delay early exit until after the first sort, exiting
7107 only if no swaps occurred. Simplify pairs in reversed order, without
7108 special-casing the first iteration. Pack ops after simplifying pairs.
7110 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7112 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7113 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7114 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7115 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7117 2006-09-05 Richard Guenther <rguenther@suse.de>
7119 PR tree-optimization/28900
7120 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7121 compound conditional before creating COND_EXPR condition.
7123 2006-09-05 Richard Guenther <rguenther@suse.de>
7125 PR tree-optimization/28905
7126 * tree-vrp.c (fix_equivalence_set): Manually implement
7127 !value_ranges_intersect_p to also handle symbolic ranges.
7129 2006-09-05 Richard Guenther <rguenther@suse.de>
7132 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7135 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7137 PR rtl-optimization/27616
7138 * cse.c (table_size): New static variable.
7139 (new_basic_block): Initialize it to 0.
7140 (remove_from_table): Decrement it.
7141 (insert): Increment it.
7142 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7143 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7144 fold_rtx_mem_1 if under the cap.
7145 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7146 the lookup of the equivalent expression and test for equality of the
7147 first operand of the equivalent expression before in turn looking up
7148 an equivalent constant for the second operand.
7150 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7153 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7154 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7155 pointer, instead of assuming it is possible to derive the
7156 correct args size from a call insn.
7158 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7161 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7162 (fold_builtin_mempcpy): Rename to...
7163 (fold_builtin_memory_op): ... this. Optimize one element copy
7165 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7167 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7168 (expand_builtin_memcpy, expand_builtin_mempcpy,
7169 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7170 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7171 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7172 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7174 2006-09-01 DJ Delorie <dj@redhat.com>
7176 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7177 (stzx_16): Likewise.
7178 ("stzx_24_<mode>"): Likewise.
7179 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7180 ("cmp<mode>_op"): New.
7181 (cmp<mode>): Change to expander; just save operands.
7183 (b<code>): Change to expander, emit compare here.
7184 (s<code>_op): Change to use split and expander.
7185 (s<code>_24_op): Likewise.
7186 (s<code>_<mode>): New.
7187 (s<code>_<mode>_24): New.
7188 (movqicc_<code>_<mode): New.
7189 (movhicc_<code>_<mode>): New.
7192 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7193 (m32c_pend_compare): New.
7194 (m32c_unpend_compare): New.
7195 (m32c_expand_scc): New.
7196 (m32c_expand_movcc): Emit the compare also.
7197 * config/m32c/predicates.md (mra_nopp_operand): New.
7199 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7200 Richard Guenther <rguenther@suse.de>
7201 Adam Nemet <anemet@caviumnetworks.com>
7204 * builtins.c (get_pointer_alignment): Handle more forms
7205 of base addresses that can be used to derive more precise
7206 information about alignment.
7208 2006-09-01 Jason Merrill <jason@redhat.com>
7211 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7214 * gimplify.c (voidify_wrapper_expr): Handle null type.
7216 2006-09-01 Josh Conner <jconner@apple.com>
7219 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7220 (execute_return_slot_opt): Use it.
7222 2006-08-31 Josh Conner <jconner@apple.com>
7225 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7226 returning aggregates.
7228 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7230 PR tree-optimization/28839
7231 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7232 blocks in that phi arguments appear.
7234 2006-08-31 Roger Sayle <roger@eyesopen.com>
7237 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7238 NULL, otherwise use an advance_loc4 to adjust relative to the
7240 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7241 (dwarf2out_switch_text_section): Reset the current label to avoid
7242 using advance_loc4 over section boundaries.
7244 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7247 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7248 r12 + SYMBOLIC_CONST.
7250 2006-08-30 Richard Guenther <rguenther@suse.de>
7252 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7254 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7256 PR rtl-optimization/27735
7257 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7258 Add new argument to keep track of whether an irreducible region
7259 was affected. All callers changed.
7260 (fix_irreducible_loops): Removed.
7261 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7262 flags were invalidated.
7264 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7266 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7267 instead of SF operands.
7268 (*fop_df_comm_sse): Likewise.
7269 (*fop_df_comm_i387): Likewise.
7270 (*fop_df_1_mixed): Likewise.
7271 (*fop_df_1_sse): Likewise.
7273 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7274 J"orn Rennecke <joern.rennecke@st.com>
7276 PR tree-optimization/17506
7277 * tree-ssa.c (warn_uninit): If warning about a location outside of
7278 the current function, note where the variable was declared.
7280 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7282 PR tree-optimization/28411
7283 * double-int.c (double_int_div): Use double_int_divmod.
7284 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7285 double_int_mod, double_int_smod, double_int_umod): New functions.
7286 * double-int.h (double_int_divmod, double_int_sdivmod,
7287 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7289 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7291 (get_computation_aff, get_computation_cost_at): Handle double_int
7292 return type of constant_multiple_of.
7294 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7297 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7298 an implicit conversion.
7300 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7302 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7304 2006-08-27 Roger Sayle <roger@eyesopen.com>
7306 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7309 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7311 * config/i386/crtfastmath.c: Fix a comment typo.
7313 2006-08-26 Roger Sayle <roger@eyesopen.com>
7315 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7316 temporary visit flags on CASE_LABEL_EXPRs.
7317 * c-common.c (match_case_to_enum): Add function comment. Avoid
7318 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7319 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7320 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7321 a constant, only warn if that constant value isn't handled.
7323 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7326 * input.h (restore_input_file_stack): Declare.
7327 (INPUT_FILE_STACK_BITS): Define.
7328 * toplev.c (fs_p, input_file_stack_history,
7329 input_file_stack_restored, restore_input_file_stack): New.
7330 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7331 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7332 (pop_srcloc): Don't free old state of stack.
7334 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7337 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7338 (PowerPC Type Attributes): New.
7340 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7342 * config/xtensa/xtensa.c (function_arg_boundary): New.
7343 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7345 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7346 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7348 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7351 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7354 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7356 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7357 (verify_local_live_at_start): Likewise.
7359 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7362 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7363 omp_add_variable): Treat sizes as variable whenever not
7366 2006-08-26 Richard Guenther <rguenther@suse.de>
7369 * fold-const.c (fold_binary): Fold temporary to correct
7370 type before constructing new comparison.
7372 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7375 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7376 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7378 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7381 * c-decl.c (start_function): Don't try to process prototype
7382 information from old declaration that isn't a function.
7384 2006-08-25 Jan Hubicka <jh@suse.cz>
7387 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7389 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7392 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7395 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7397 PR tree-optimization/16876
7398 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7399 exit if PARM doesn't match VALUE.
7401 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7403 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7404 literal_prefix directive.
7405 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7406 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7407 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7409 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7412 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7413 predicate to general_operand. Add 0->y and I->r alternatives.
7415 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7417 * doc/tm.texi: Fix a typo.
7418 * predict.c: Fix comment typos.
7420 2006-08-25 Nick Clifton <nickc@redhat.com>
7422 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7423 assertions of "cpu" and "machine".
7425 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7428 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7429 the access through a base which has an alias set of 0 cannot
7432 2006-08-24 Bill Wendling <wendling@apple.com>
7434 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7436 2006-08-24 Jan Hubicka <jh@suse.cz>
7438 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7440 2006-08-24 Jan Hubicka <jh@suse.cz>
7443 * cgraph.c: Fix comments.
7444 (cgraph_varpool_mark_needed_node): Mark only variables not already
7446 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7447 (cgraph_varpool_assembled_nodes_queue): New static variable.
7448 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7449 (cgraph_varpool_output_debug_info): New function.
7450 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7451 * Makefile.in: Add gt-cgraphunit.h
7453 2006-08-24 Jan Hubicka <jh@suse.cz>
7455 * predict.c (probability_reliable_p): New predicate.
7456 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7457 (predict_loops): Do not predict loop exit with less than 2%
7459 * basic-block.h (edge_probability_reliable_p,
7460 br_prob_note_reliable_p): Declare.
7461 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7462 prediction when static predictor is not reliable.
7463 * rs6000.c (output_cbranch): Likewise.
7465 2006-08-23 Stuart Hastings <stuart@apple.com>
7468 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7469 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7471 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7474 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7475 complex values, nor for generic vector values.
7477 2006-08-22 Richard Guenther <rguenther@suse.de>
7480 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7481 parameter. Convert arguments to arithmetic expression to the
7483 (analyze_scalar_evolution_1): Adjust caller.
7485 2006-08-22 Jan Hubicka <jh@suse.cz>
7487 Patch by Paolo Bonzini
7488 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7491 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7493 PR tree-optimization/28003
7494 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7495 before grouping aliases.
7497 2006-08-22 Roger Sayle <roger@eyesopen.com>
7499 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7500 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7502 2006-08-21 Jason Merrill <jason@redhat.com>
7505 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7506 wrapper. Loop to handle nested wrappers.
7507 (gimplify_bind_expr): Remove temp parameter.
7508 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7509 and STATEMENT_LIST on the rhs.
7510 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7511 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7512 (gimplify_target_expr): Remove special BIND_EXPR handling.
7514 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7516 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7519 2006-08-21 Olivier Hainque <hainque@adacore.com>
7521 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7522 Arrange for the temporary captures of components overlapping the lhs
7523 to happen before the lhs is possibly cleared.
7525 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7527 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7528 necessary places to pass the correct "number of registers" values
7531 2006-08-20 Jan Hubicka <jh@suse.cz>
7533 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7534 (create_name_tags): Instead of quadratic checking use hashtable.
7535 * bitmap.h: Include hashtab.h.
7536 (bitmap_hash): Declare.
7537 * bitmap.c (bitmap_hash): New function.
7539 2006-08-20 Jan Hubicka <jh@suse.cz>
7541 PR rtl-optimization/28071
7542 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7544 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7545 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7546 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7547 cgraph_decide_inlining_incrementally): Update use of
7548 cgraph_check_inline_limits.
7549 * cgraph.c (edge_hash, edge_eq): New function.
7550 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7551 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7552 cgraph_remove_node): Maintain call site hash.
7553 * cgraph.h (struct cgraph_node): Add call_site_hash.
7554 (cgraph_set_call_stmt): New function.
7556 2006-08-20 Jan Hubicka <jh@suse.cz>
7558 PR rtl-optimization/28071
7559 * reload1.c (reg_has_output_reload): Turn into regset.
7560 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7561 choose_reload_regs, emit_reload_insns): Update to new
7562 reg_has_output_reload.
7564 2006-08-20 Jan Hubicka <jh@suse.cz>
7567 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7568 function body sizes.
7569 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7571 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7574 * tree.c (handle_dll_attribute): Return early if not a
7575 var or function decl.
7577 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7580 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7581 alignment of SPE vector types.
7583 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7585 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7587 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7590 * cgraph.h (struct cgraph_node): Remove externally_visible
7592 * cgraphunit.c (process_function_and_variable_attributes): Set
7593 local.externally_visible rather than externally_visible.
7596 * c-common.c (handle_externally_visible_attribute): First look
7597 at TREE_CODE and only if it is function or var decl, check for
7598 non-public objects. Don't warn for DECL_EXTERNAL.
7599 * cgraphunit.c (process_function_and_variable_attributes): Warn
7600 if externally_visible attribute is used on non-public object.
7602 2006-08-17 Jan Hubicka <jh@suse.cz>
7604 PR tree-optimization/27865
7605 * reload1.c (forget_marked_reloads): New function.
7606 (forget_old_reloads_1): When data are passed, just mark the registers
7608 (reload_as_needed): Use the new mechanizm.
7610 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7613 * reload.h (reg_equiv_alt_mem_list): New declaration.
7614 * reload1.c (reg_equiv_alt_mem_list): New definition.
7615 (reload): Initialize it and release it.
7616 (delete_output_reload): Use it.
7617 * reload.c (push_reg_equiv_alt_mem): New function.
7618 (find_reloads_toplev): Call it.
7619 (find_reloads_address, find_reloads_address_1): Likewise.
7620 (find_reloads_subreg_address): Likewise.
7622 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7624 PR rtl-optimization/28489
7625 * sched-ebb.c (begin_schedule_ready): Create basic block
7627 (advance_target_bb): Skip empty blocks.
7628 * haifa-sched.c (bb_note): Make global.
7629 * sched-int.h (bb_note): Add prototype.
7631 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7633 PR tree-optimization/27865
7634 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7636 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7637 fold_used_pointer, pointer_used_p): New functions.
7638 (analyze_scalar_evolution_1): Use fold_used_pointer.
7639 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7640 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7643 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7646 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7647 or the INTEGER_CST. Fail on a CALL_EXPR.
7648 (fold_offsetof): Pass new argument to fold_offsetof_1.
7649 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7650 operand into an INDIRECT_REF.
7651 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7653 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7655 PR gcov/profile/26570
7656 * value-prof.c (static_values): Removed.
7657 (tree_find_values_to_profile): Do not set static_values.
7658 (find_values_to_profile): Do not free static_values.
7659 * profile.c (instrument_values): Do not free the values.
7660 (branch_prob): Free the values.
7662 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7664 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7666 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7669 * c-typeck.c (build_component_ref): Combine qualifiers of
7670 structure or union and field.
7672 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7674 PR rtl-optimization/28071
7675 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7676 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7677 * tree-into-ssa.c (struct dom_dfsnum): New.
7678 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7680 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7681 compute_global_livein.
7682 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7683 in phi nodes in the correct blocks.
7685 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7687 PR tree-optimization/28364
7688 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7690 (fold_affine_expr): New function.
7691 (may_eliminate_iv): Use fold_affine_expr.
7693 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7696 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7699 2006-08-16 Mike Stump <mrs@apple.com>
7701 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7702 * doc/cppopts.texi (-MD): Likewise.
7704 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7707 * c-common.c (handle_weak_attribute): Ignore and warn if
7708 not a FUNCTION_ or VAR_DECL.
7710 2006-07-15 Mike Stump <mrs@apple.com>
7713 * c-parser.c (c_parser_typeof_specifier): Don't use
7714 c_finish_expr_stmt, open code desired semantics instead.
7716 2006-08-15 Nick Clifton <nickc@redhat.com>
7718 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7719 fragment to tmake_file only if threads are enabled.
7720 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7721 * config/i386/t-gthr-win32: New file. ... here.
7723 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7726 * c-parser.c (c_parser_compound_statement_nostart): Reset
7727 parser->error after each statement.
7729 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7732 * omp-low.c (lower_omp_parallel): Convert t to
7733 receiver_decl's type.
7734 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7735 source before comparison.
7738 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7739 to itype in assignment to oldival2.
7741 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7745 * c-typeck.c (build_compound_expr): If the second expression
7746 is an error mark, then just return an error mark instead of
7747 creating a COMPOUND_EXPR.
7749 2006-07-14 Mike Stump <mrs@apple.com>
7751 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7753 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7755 * c-decl.c, var-tracking.c: Fix comment typos.
7757 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7759 PR rtl-optimization/28634
7760 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7761 for floating-point modes unless flag_unsafe_math_optimizations.
7763 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7764 Andrew Pinski <pinskia@physics.uc.edu>
7767 * tree.c (build_array_type): Unify array types with
7768 unspecified index_type.
7769 * c-decl.c (grokdeclarator): Make sure we do not modify a
7770 unified incomplete array type.
7771 * c-typeck.c (store_init_value): Create distinct type before
7772 filling in the index type in an initializer from a compound
7775 * c-decl.c (grokdeclarator): Remove code where we copy the
7778 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7780 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7781 into account for TODO_dump_cgraph.
7782 (TODO_update_ssa_no_phi): Likewise.
7783 (TODO_update_ssa_full_phi): Likewise.
7784 (TODO_update_ssa_only_virtuals): Likewise.
7785 (TODO_remove_unused_locals): Likewise.
7786 (TODO_set_props): Likewise.
7787 (TODO_update_stmt_usage): Likewise.
7789 2006-08-13 Dirk Mueller <dmueller@suse.de>
7791 * c-common.c (strict_aliasing_warning): Fix formatting.
7793 2006-08-13 Matthias Klose <doko@debian.org>
7795 * doc/invoke.texi: Fix spelling errors.
7797 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7799 PR rtl-optimization/23454
7800 * reorg.c (relax_delay_slots): Update comment.
7802 2006-08-11 Richard Guenther <rguenther@suse.de>
7805 * simplify-rtx.c (simplify_const_relational_operation):
7806 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7809 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7811 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7812 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7814 2006-08-10 Paul Brook <paul@codesourcery.com>
7816 * final.c (final_scan_insn): Clear current_insn_predicate before
7817 outputting inline asm.
7819 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7821 PR tree-optimization/26197
7822 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7823 get_ref_base_and_extent and overlap_subvar to add only relevant
7824 subvars as may-aliases.
7825 (add_may_alias_for_new_tag): New function, factored out of
7827 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7828 with additional argument.
7829 * tree-flow.h (new_type_alias): Takes additional argument.
7831 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7833 * gcov.c (no_data_file): New flag.
7834 (read_count_file): Set it if data file not present. Assume counts
7836 (output_lines): Don't name the data file, if there wasn't one.
7838 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7840 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7841 (rs6000_generate_compare): Tweak comments.
7842 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7844 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7846 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7847 (var_debug_decl): New function.
7848 (var_reg_set): Follow debug decl link. Add location even if
7849 reg is already known to hold some other variable.
7850 (var_mem_set): Follow debug decl link.
7851 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7852 decl link. Delete other known locations of the variable part
7854 (var_reg_delete, var_mem_delete): Delete other known locations
7855 of the variable part if requested.
7856 (same_variable_part_p): New function.
7857 (add_stores): Select MO_COPY when appropriate.
7858 (vt_initialize): Handle it.
7859 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7860 known locations for MO_SET and MO_CLOBBER.
7861 (find_variable_location_part): New function.
7862 (set_variable_part, delete_variable_part): Use it.
7863 (clobber_variable_part): New function.
7864 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7867 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7869 PR tree-optimization/26969
7870 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7871 with an empty list of PHIs.
7873 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7877 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7880 2006-08-06 Andreas Schwab <schwab@suse.de>
7882 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7883 string. Whitespace and comment fixup.
7885 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7888 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7892 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7895 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7897 2006-08-04 Jan Hubicka <jh@suse.cz>
7901 * reload.c (push_reload): Patch out the mismatching instruction;
7903 (find_reload): Bail out if the instruction was patched out.
7905 2006-08-04 Jan Hubicka <jh@suse.cz>
7907 PR tree-optimization/24888
7908 * tree-inline.c (expand_call_inline): Do not re-record variables.
7909 (declare_inline_vars): Add variable to unexpanded_var_list.
7911 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7912 Roger Sayle <roger@eyesopen.com>
7914 PR rtl-optimization/26244
7915 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7916 inner_const are negative or greater than or equal to the bitsize of
7917 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7918 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7919 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7920 CONST0_RTX (mode) when the new shift count is greater than or equal to
7921 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7924 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7926 * tree-cfg.c: Fix a comment typo.
7928 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7931 * varasm.c (output_constant): Give the front end another chance to
7932 expand constants, after stripping NOPs.
7934 2006-08-03 Jan Hubicka <jh@suse.cz>
7936 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7939 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7941 PR tree-optimization/27770
7942 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7943 declaration removed (moved to tree-flow.h).
7944 (vect_can_force_dr_alignment_p): Likewise.
7945 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7946 (moved from tree-vectorizer.h).
7947 (vect_can_force_dr_alignment_p): Likewise.
7948 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7949 from outside the vectorizer - in particular from cgraph stage.
7950 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7951 the alignment of global arrays when -fsection-anchors is enabled.
7952 * cgraphunit.c (cgraph_increase_alignment): New function.
7953 (cgraph_optimize): Call cgraph_increase_alignment.
7955 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7958 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7959 not reload a SPE symbol_ref into a lo_sum address.
7961 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7964 * dwarf2out.c (prune_unused_types_prune): Move call to
7965 prune_unused_types_update_strings to cover the parent DIE also.
7967 2006-08-02 Jan Hubicka <jh@suse.cz>
7969 PR gcov/profile/28480
7970 * tree-cfg.c (change_bb_for_stmt): New function.
7971 (tree_merge_blocks, tree_split_blocks): Use it.
7973 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7979 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7980 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7981 (cgraph_optimize): Likewise.
7983 2006-08-01 Stuart Hastings <stuart@apple.com>
7985 * rtl.h (UINTVAL) New.
7986 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7987 * testsuite/gcc.dg/20060801-1.c: New.
7989 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7992 * c-typeck.c (build_external_type): Mark used enum types.
7993 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7995 (gen_subprogram_die): Whitespace fix.
7997 2006-08-01 Jan Hubicka <jh@suse.cz>
7999 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8000 bitmap when not needed.
8001 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8004 2006-08-01 Dirk Mueller <dmueller@suse.de>
8006 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8008 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8010 * Makefile.in: Revert part of previous patch:
8011 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8014 2006-07-30 Eric Christopher <echristo@apple.com>
8017 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8018 (PowerPC Variable Attributes): New section.
8020 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8022 PR target/28126 (partial fix)
8023 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8025 2006-07-28 Jan Hubicka <jh@suse.cz>
8027 PR rtl-optimization/28071
8028 * cfgrtl.c (rtl_delete_block): Free regsets.
8029 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8031 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8033 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8034 and variables used in dependencies.
8036 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8038 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8039 %fs for -mcmodel=kernel.
8040 (stack_tls_protect_test_di): Likewise.
8042 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8044 * Makefile.in: Use mkinstalldirs.
8046 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8049 * opts-common.c (prune_options): Skip joined switches.
8051 2006-07-27 Jan Hubicka <jh@suse.cz>
8053 PR rtl-optimization/28071
8054 * cselib.c (cselib_process_insn): Don't remove useless values too
8055 often for very large hashtables.
8057 2006-07-27 Jan Hubicka <jh@suse.cz>
8059 PR rtl-optimization/28071
8060 * global.c (greg_obstack): New obstack.
8061 (allocate_bb_info): Use it.
8062 (free_bb_info): Likewise.
8063 (modify_reg_pav): Likewise.
8065 2006-07-27 Roger Sayle <roger@eyesopen.com>
8067 * builtins.c (fold_fixed_mathfn): When long and long long are the
8068 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8069 functions to their lceil*, lfloor*, lround* and lrint* forms.
8071 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8074 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8076 (rev_branch_insn): Likewise.
8078 2006-07-27 Jan Hubicka <jh@suse.cz>
8080 PR rtl-optimization/28071
8081 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8082 (reg_set_in_bb, max_reg_computed): New static variables.
8083 (regmove_optimize): Free the new array.
8084 (fixup_match_1): Update call of reg_is_remote_constant_p.
8086 2006-07-26 Jan Hubicka <jh@suse.cz>
8088 PR tree-optimization/27882
8089 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8091 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8093 (cgraph_analyze_compilation_unit): Likewise.
8094 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8095 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8096 (cgraph_early_inlinine): Make order garbage collected.
8097 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8099 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8101 * dbxout.c (output_types_sort): Add a comment.
8102 (output_used_types): Free the VEC.
8104 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8106 * function.c (reorder_fix_fragments): Delete.
8107 (reorder_blocks): Don't call it.
8108 (reorder_blocks_1): Put all subblocks under the origin block.
8110 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8112 PR rtl-optimization/27907
8113 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8116 2006-07-25 Roger Sayle <roger@eyesopen.com>
8119 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8120 bar(x) check that bar's result type can represent all the values of T.
8122 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8124 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8126 2006-07-25 Nick Clifton <nickc@redhat.com>
8128 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8129 size_lookup[] array.
8130 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8131 (ggc_pch_count_object): Likewise.
8132 (ggc_pch_alloc_object): Likewise.
8133 (ggc_pch_write_object): Likewise.
8134 (init_ggc): Do not attempt to initialize entries in the
8135 size_lookup[] array for objects whose size is greater than than
8136 the length of the array.
8138 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8140 * dbxout.c (output_used_types_helper): Push queued types
8142 (output_types_sort): New.
8143 (output_used_types): Collect used types on a VEC and sort them
8146 2006-07-24 Richard Guenther <rguenther@suse.de>
8149 * cgraph.c (cgraph_remove_node): Do not check if dumps
8151 * cgraphunit.c (cgraph_optimize): Likewise.
8153 2006-07-24 Jan Hubicka <jh@suse.cz>
8155 PR rtl-optimization/28071
8156 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8157 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8158 splitting before first stmt.
8160 2006-07-24 Jan Hubicka <jh@suse.cz>
8162 PR rtl-optimization/28071
8163 * ipa-inline.c (update_caller_keys): Remove edges that
8164 are no longer inline candidates.
8166 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8169 * dbxout.c (output_used_types_helper, output_used_types): New.
8170 (dbxout_symbol): Call output_used_types.
8172 2006-07-23 Jan Hubicka <jh@suse.cz>
8176 * cgraph.c (cgraph_varpool_nodes): Export.
8177 (decide_is_variable_needed): Ignored "used" attribute in
8178 unit-at-a-time mode.
8179 * cgraph.h (cgraph_varpool_nodes): Declare.
8180 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8181 unit-at-a-time mode.
8183 2006-07-23 Roger Sayle <roger@eyesopen.com>
8186 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8187 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8188 the __gthrw form of thr_keycreate.
8189 (__gthread_key_delete): Silence the unused argument warning.
8191 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8194 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8195 Cache the last found '\0' marker to avoid quadratic behavior.
8197 2006-07-23 Jan Hubicka <jh@suse.cz>
8199 * i386.md (subsi_3_zext): Fix output template.
8201 2006-07-21 Mike Stump <mrs@apple.com>
8203 * doc/invoke.texi (C++ Dialect Options): Note that
8204 -fvisibility-inlines-hidden doesn't affect explicitly
8205 instantiationed inline methods.
8207 2006-07-20 Roger Sayle <roger@eyesopen.com>
8209 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8210 if the target assembler is GNU binutils' gas.
8211 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8212 whether to pass GNU gas or native as command line options.
8214 2006-07-20 Jason Merrill <jason@redhat.com>
8216 * tree.c (remove_attribute): New fn.
8217 * tree.h: Declare it.
8219 2006-07-20 Paul Brook <paul@codesourcery.com>
8222 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8223 they are invalidated by this instruction.
8225 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8228 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8230 2006-07-20 Eric Christopher <echristo@apple.com>
8233 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8235 2006-07-19 Eric Christopher <echristo@apple.com>
8237 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8238 Rewrite dependencies for libgcc_s.1.dylib.
8240 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8242 * except.c (duplicate_eh_regions_1): Clear next_peer.
8244 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8246 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8247 -mlongcall does not guarantee all calls will be long.
8248 * doc/extend.texi (long_call/short_call): Document that longcall
8249 does not guarantee a long call will be used.
8250 (longcall/shortcall): Likewise.
8252 2006-07-18 Roger Sayle <roger@eyesopen.com>
8255 * expmed.c (expand_shift): Additionally check that the shift_cost
8256 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8257 before implementing a LSHIFT_EXPR as a sequence of additions.
8258 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8259 middle-end that DImode shifts need to be synthesized by expand.
8261 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8264 * tree-ssa-operands.c (access_can_touch_variable): Update
8266 Return true if ALIAS is .GLOBAL_VAR.
8268 2006-07-18 David Daney <ddaney@avtrex.com>
8270 * gcc.c (display_help): Fix typo in help text.
8272 2006-07-18 Olivier Hainque <hainque@adacore.com>
8274 * tree.h (categorize_ctor_elements): Adjust prototype and add
8275 descriptive comment, both in accordance with the interface change
8277 * varasm.c (constructor_static_from_elts_p): New function.
8278 Whether a constructor node is a valid static constant initializer
8279 if all its elements are.
8280 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8281 * output.h: Declare it.
8282 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8283 is a valid constant initializer instead of computing the number of
8284 non-constant elements. Use constructor_static_from_elts_p for this
8285 purpose. Replace the head comment with an indication that this is a
8286 helper for categorize_ctor_elements.
8287 (categorize_ctor_elements): Same interface change as for the _1
8288 helper. Former head comment from this helper moved here, adjusted to
8289 account for the interface changes.
8290 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8291 (all_zeros_p): Likewise.
8292 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8293 static versions of the constructor from the categorize_ctor_elements
8294 return value instead of the formerly computed number of non-constant
8297 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8299 * configure: Regenerate.
8300 * Makefile.in (build_libsubdir): New configure substitution
8301 (build_libobjdir): New variable.
8302 (BUILD_LIBIBERTY): Use it.
8304 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8307 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8309 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8312 * c-common.c (handle_weakref_attribute): Ignore attribute in
8313 the same conditions the alias attribute is ignored.
8315 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8317 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8318 (dbxout_begin_prologue): Increment scope_labelno.
8320 2006-07-17 Richard Henderson <rth@redhat.com>
8323 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8326 2006-07-17 Roger Sayle <roger@eyesopen.com>
8327 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8329 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8330 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8331 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8332 functions such as sbrk, write, etc.. Add function prototypes.
8333 Convert function declarations from K&R to ISO C. Cast pointers
8334 to "long" and "unsigned long" instead of "int" and "unsigned int".
8335 Convert tokens following #endif into comments.
8337 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8339 * invoke.texi: Remove mention of f77; Reformat table for
8340 inline parameter options correctly; mention that -malign-double
8341 is default on x86-64 targets.
8343 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8345 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8346 (convert_affine_scev, chrec_convert_aggressive): Use
8347 avoid_arithmetics_in_type_p. Do not check for the subtypes
8350 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8353 * optabs.c (expand_doubleword_shift): Wrap the call to
8354 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8356 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8359 * optabs.c (expand_binop): Pass next_methods rather than methods
8360 to expand_doubleword_shift.
8362 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8365 * tree.h (dump_addr): Declare.
8366 * print-tree.c (dump_addr): New function.
8367 (print_node_brief, print_node): Use it.
8368 * print-rtl.c (print_rtx): Likewise.
8369 * common.opt (-fdump-noaddr): New option.
8370 * doc/invoke.texi (-fdump-noaddr): Document.
8371 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8372 (ve_info_hash): Likewise.
8374 2006-07-13 Andrew Haley <aph@redhat.com>
8376 PR tree-optimization/19505
8377 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8378 edge leaving this block, make sure that the destination of this
8379 block has only one predecessor.
8381 2006-07-17 Richard Guenther <rguenther@suse.de>
8383 PR tree-optimization/28238
8384 * tree-inline.c (copy_bb): Check if we produced valid
8385 gimple copying and substituting a stmt. If not, gimplify
8388 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8390 * optabs.c (maybe_encapsulate_block): New function extracted from...
8391 (emit_libcall_block): ...here. Invoke it on the block of insns to
8392 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8393 (emit_no_conflict_block): Likewise.
8395 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8397 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8399 2006-07-15 Roger Sayle <roger@eyesopen.com>
8401 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8402 a new NOP_EXPR case of the switch statement.
8404 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8407 * stor-layout.c (place_field): Take the bit field with
8408 an excessive size into account in the ms-bitfiled case.
8411 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8412 the previous bit field.
8414 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8417 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8419 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8421 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8422 signal frames correctly even when the signal was installed with
8425 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8427 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8428 (dbxout_function_end): Use local label LFBB. Remove hook
8430 (dbxout_source_line): Use local label LFBB.
8431 (dbxout_block): Likewise.
8432 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8433 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8434 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8435 and DBX_OUTPUT_NFUN.
8437 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8439 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8441 2006-07-13 Jan Hubicka <jh@suse.cz>
8443 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8445 * output.h (align_variable): Declare.
8446 * varasm.c (align_variable): Export.
8447 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8448 when basic block changed.
8450 2006-07-13 Nick Clifton <nickc@redhat.com>
8452 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8453 walking the LOG_LINKS chain.
8455 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8457 * doc/invoke.texi (C++ Dialect Options): Explain difference
8458 between -fvisibility-inlines-hidden and setting hidden
8459 visibility explicitly.
8461 2006-07-12 Eric Christopher <echristo@apple.com>
8463 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8464 (stmp-lipo): Depend on libgcc.a.
8466 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8468 * tree.c: Fix a comment typo.
8470 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8472 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8474 (umulhisi3_r): Likewise.
8476 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8479 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8480 x < 19, vs wchar_t support.
8482 2006-07-12 Nick Clifton <nickc@redhat.com>
8484 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8485 instead of -isa=sh4.
8487 2006-07-12 Mike Stump <mrs@apple.com>
8489 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8491 2006-07-10 Eric Christopher <echristo@apple.com>
8493 * config/t-slibgcc-darwin: Rewrite.
8495 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8498 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8501 2006-07-08 Matthias Klose <doko@debian.org>
8503 * doc/sourcebuild.texi: Fix typo.
8505 2006-07-07 Mike Stump <mrs@apple.com>
8507 * toplev.c (process_options): Don't give -ffunction-sections may
8508 affect debugging warning for Mach-O.
8510 2006-07-07 James E Wilson <wilson@specifix.com>
8512 * config/mips/mips.md (cpu): Add sb1a.
8513 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8514 addition to sb1. Adjust comments to clarify SB-1A differences from
8516 (ir_sb1a_load): New. Modify bypasses to use it.
8517 (ir_sb1a_simple_alu): Likewise.
8518 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8519 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8520 (mips_issue_rate): Add PROCESSOR_SB1A.
8521 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8522 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8523 (TARGET_SB1): Add PROCESSOR_SB1A check.
8524 (TUNE_SB1): Likewise.
8526 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8527 * config/mips/mips.c (mips_store_data_bypass_p): New.
8528 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8529 store_data_bypass_p.
8531 2006-07-08 Paul Brook <paul@codesourcery.com>
8534 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8536 2006-07-07 Richard Guenther <rguenther@suse.de>
8539 * tree.h (build_one_cst): Declare.
8540 * tree.c (build_one_cst): New function.
8541 * tree-ssa-math-opts.c (get_constant_one): Remove.
8542 (insert_reciprocals): Use build_one_cst.
8543 * fold-const.c (fold_plusminus_mult): Likewise.
8545 2006-07-07 Roger Sayle <roger@eyesopen.com>
8547 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8548 * cfgloopanal.c (dump_graph): Likewise.
8549 * dojump.c (discard_pending_stack_adjust): Likewise.
8550 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8552 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8553 * function.c (finalize_block_changes): Likewise.
8554 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8555 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8556 * rtl.c (dump_rtx_statistics): Likewise.
8557 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8559 * varray.c (dump_varray_statistics): Likewise.
8560 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8561 decode_decimal64, encode_decimal128, decode_decimal128,
8562 decimal_real_to_decimal): Likewise.
8564 2006-07-07 Richard Guenther <rguenther@suse.de>
8566 PR tree-optimization/28187
8567 * tree-vrp.c (vrp_operand_equal_p): New function.
8568 (vrp_bitmap_equal_p): Likewise.
8569 (update_value_range): Use them to compare old and new
8572 2006-07-06 Roger Sayle <roger@eyesopen.com>
8574 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8575 a default case to switch statement to silence compiler warnings.
8577 2006-07-06 Roger Sayle <roger@eyesopen.com>
8580 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8581 the configured assembler supports the x87's ffreep mnemonic.
8582 * configure: Regenerate.
8583 * config.in: Regenerate.
8585 * config/i386/i386.c (output_387_ffreep): New function.
8586 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8587 (output_387_reg_move): Likewise.
8589 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8591 Port to hosts whose 'sort' and 'tail' implementations
8592 treat operands with leading '+' as file names, as POSIX
8593 has required since 2001. However, make sure the code still
8594 works on pre-POSIX hosts.
8595 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8596 which says you should use "tail -c +N" rather than "tail +Nc".
8597 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8599 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8601 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8604 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8607 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8608 PRE_{INC,DEC} of TFmode.
8610 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8611 Alan Modra <amodra@bigpond.net.au>
8614 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8617 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8620 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8621 Remove duplicate gtu.
8623 2006-07-05 Jason Merrill <jason@redhat.com>
8627 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8628 * c-common.c (handle_packed_attribute): So don't copy it here.
8629 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8631 2006-07-05 Mike Stump <mrs@apple.com>
8633 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8635 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8638 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8640 2006-07-05 Richard Guenther <rguenther@suse.de>
8643 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8644 TARGET_SSE2 targets if using SSE math.
8645 (*absdf2_1): Likewise.
8647 2006-07-05 Richard Guenther <rguenther@suse.de>
8649 PR tree-optimization/28162
8650 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8651 make sure to convert the operands to the correct type.
8653 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8655 PR tree-optimization/28218
8657 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8658 to calculate and free the dominator information.
8660 2006-07-04 Peter O'Gorman <peter@pogma.com>
8662 * mklibgcc.in: chmod 644 before ranlib during install.
8664 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8665 J"orn Rennecke <joern.rennecke@st.com>
8667 * configure.ac (.eh_frame data check): Use diff -b.
8669 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8672 * Makefile.in (BUILD_RTL): Add build/vec.o.
8673 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8674 (build/genextract): Delete.
8675 (build/genautomata): Likewise.
8677 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8680 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8681 128-bit IBM long doubles for ABI_V4.
8683 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8685 * tree.c (range_in_array_bounds_p): New predicate.
8686 * tree.h (range_in_array_bounds_p): Declare it.
8687 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8688 return a less conservative answer.
8689 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8690 and flag 'is_group'.
8691 (IS_ELEMENT_FOR_GROUP): New macro.
8692 (FOR_EACH_ACTUAL_CHILD): Likewise.
8693 (next_child_for_group): New helper function.
8694 (can_completely_scalarize_p): Take into account groups.
8695 (sra_hash_tree): Handle RANGE_EXPR.
8696 (sra_elt_eq): Likewise.
8697 (lookup_element): Be prepared for handling groups.
8698 (is_valid_const_index): Delete.
8699 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8700 instead of is_valid_const_index.
8701 <ARRAY_RANGE_REF>: New case.
8702 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8703 is_valid_const_index.
8704 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8705 (scan_dump): Dump info for groups too.
8706 (decide_instantiation_1): Likewise.
8707 (decide_block_copy): Assert that the element is not a group.
8708 Propagate decision to groups.
8709 (generate_one_element_ref): Handle RANGE_EXPR.
8710 (mark_no_warning): Iterate over actual childs.
8711 (generate_copy_inout): Likewise.
8712 (generate_element_copy): Likewise.
8713 (generate_element_zero): Likewise.
8714 (generate_element_init_1): Likewise.
8715 (dump_sra_elt_name): Handle RANGE_EXPR.
8717 2006-07-03 Roger Sayle <roger@eyesopen.com>
8719 PR tree-optimization/26251
8720 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8721 (thread_block): When optimizing for size refuse to thread jumps
8722 that would require duplication of blocks other than redirection
8725 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8727 * configure.ac: Fix thinko in previous check-in.
8728 * configure: Regenerate.
8730 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8733 * configure.ac (for lang...): Simplify nesting of conditionals.
8734 Test subdir_requires for non-enabled languages. Move processing
8735 of lang_opt_files and lang_tree_fiels below that test.
8736 * configure: Regenerate.
8737 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8739 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8741 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8743 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8745 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8748 2006-06-29 Jason Merrill <jason@redhat.com>
8755 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8756 * c-common.c (c_determine_visibility): Handle it here.
8757 * c-decl.c (finish_decl): Call c_determine_visibility for
8759 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8761 * varasm.c (default_assemble_visibility): Likewise.
8762 * c-common.c (handle_visibility_attribute): Complain about trying
8763 to give visibility to an already defined class, or trying to change
8764 declared visibility. Always attach the attribute.
8769 * attribs.c (decl_attributes): Ignore type-in-place attributes
8770 once the type has been defined.
8772 2006-06-29 Roger Sayle <roger@eyesopen.com>
8775 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8776 to indicate the cpplib has issued an error message for us.
8778 2006-06-29 Asher Langton <langton2@llnl.gov>
8781 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8782 insert a label at the end of an function under Mach-O.
8784 2006-06-29 Eric Christopher <echristo@apple.com>
8785 Evan Cheng <evan.cheng@apple.com>
8787 * predicates.md (vector_all_ones_operand): New.
8788 (nonimmediate_or_sse_const_operand): Ditto.
8789 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8790 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8791 (standard_sse_mode_p): Ditto.
8792 (standard_sse_constant_p): Add case for -1 vector.
8793 (ix86_expand_vector_move): Try to use.
8794 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8795 Call standard_sse_constant_opcode.
8796 (*movv4sf_internal): Ditto.
8797 (*movv2df_internal): Ditto.
8799 2006-06-29 Roger Sayle <roger@eyesopen.com>
8801 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8802 of XEXP to extract the operands of a MATCH_CODE rtx.
8804 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8806 * tree.c (tree_size): Do not waste tail padding in
8807 struct tree_string and make the size be the same as
8808 build_string will generate.
8810 2006-06-28 Jason Merrill <jason@redhat.com>
8813 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8814 may_aliases already in the tag's annotations to the bitmap.
8816 2006-06-28 Roger Sayle <roger@eyesopen.com>
8818 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8820 2006-06-28 Roger Sayle <roger@eyesopen.com>
8822 * genpreds.c (generate_switch_p): New function.
8823 (add_mode_tests): Push the new mode test down inside an AND expr
8824 if this allows the switch-suitable MATCH_CODE to be near the root.
8825 (write_match_code_switch): New function to write a MATCH_CODE as
8827 (write_predicate_stmts): New function to write a predicate RTX
8828 expression as a sequence of statements.
8829 (write_one_predicate_function): Use write_predicate_stmts.
8830 (write_tm_constrs_h): Likewise.
8832 2006-06-26 Fred Fish <fnf@specifix.com>
8834 * config/mips/t-sb1: New file.
8835 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8838 2006-06-26 DJ Delorie <dj@redhat.com>
8840 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8842 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8843 Jayant Sonar <jayants@kpitcummins.com>
8844 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8846 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8847 (subsi3, subsi3_1, subsi3_2): New.
8848 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8849 * config/m32c/mov.md (SI mov peephole): New.
8850 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8851 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8853 2006-06-26 Olivier Hainque <hainque@adacore.com>
8855 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8856 a CALL_EXPR target function declaration.
8858 2006-06-26 Richard Guenther <rguenther@suse.de>
8860 * tree.c (build_string): Do not waste tail padding in
8863 2006-06-26 Richard Guenther <rguenther@suse.de>
8865 * ggc-page.c (init_ggc): Add missing element to size_lookup
8869 2006-06-23 Richard Guenther <rguenther@suse.de>
8871 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8872 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8873 alignment requests instead. Add verification code.
8874 Add struct tree_function_decl and struct tree_binfo size to
8875 extra_order_size_table. Add missing element to size_lookup
8878 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8881 * fold-const.c (const_binop): Be prepared for self returning zero.
8882 Simplify code handling complex values.
8884 2006-06-24 Olivier Hainque <hainque@adacore.com>
8886 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8887 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8890 2006-06-24 Olivier Hainque <hainque@adacore.com>
8892 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8893 ARRAY_REF, so have the callback called for the low bound expression.
8895 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8897 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8898 * c-typeck.c (c_common_type): Disallow operations on decimal float
8899 types and other float types.
8900 * convert.c (convert_to_real): Don't ignore conversions involving
8901 decimal float types.
8903 2006-06-23 Olivier Hainque <hainque@adacore.com>
8905 * tree.c (max_int_size_in_bytes): New function, inspired from
8906 code in function.c:assign_temp.
8907 * tree.h (max_int_size_in_bytes): Declare.
8908 * function.c (assign_temp): Use it.
8909 * gimplify.c (create_tmp_var): Relax the assertions on the type
8910 properties, not mandating constant size any more.
8911 (force_constant_size): New static function.
8912 (gimple_add_tmp_var): Use it, forcing variable size to a
8913 constant upper bound if it is not constant on entry.
8915 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8918 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8919 for initialization and setting of one_only flag to ...
8920 (i386_pe_encode_section_info): ...here.
8921 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8922 Recheck that the symbol has not been defined.
8924 2006-06-23 Richard Guenther <rguenther@suse.de>
8926 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8927 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8928 alignment requests instead. Add verification code.
8929 Add struct tree_function_decl and struct tree_binfo size to
8930 extra_order_size_table. Add missing element to size_lookup
8933 2006-06-22 Roger Sayle <roger@eyesopen.com>
8934 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8937 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8938 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8940 2006-06-23 Ben Elliston <bje@au.ibm.com>
8942 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8943 negate dn -- manipulate it directly.
8945 2006-06-22 Roger Sayle <roger@eyesopen.com>
8946 Steven Bosscher <stevenb.gcc@gmail.com>
8949 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8950 generated by gen_move_insn to add REG_LABEL notes if necessary.
8952 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8954 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8955 (leaf_entry): Remove use of MIN_ESA.
8957 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8959 PR rtl-optimization/28121
8960 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8963 2006-06-21 DJ Delorie <dj@redhat.com>
8965 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8967 (mulhisi3_r): Likewise.
8969 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8972 * coverage.c (coverage_counter_alloc): Leave the index type
8974 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8977 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8979 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8980 section from the "Options for Code Generation Conventions".
8982 2006-06-21 Richard Henderson <rth@redhat.com>
8986 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8988 (global_symbolic_operand): Allow weak symbols, even if local_p.
8990 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8992 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8993 (find_interesting_uses_address): Punt if above function returns true.
8995 2006-06-21 Richard Guenther <rguenther@suse.de>
8997 * configure: Regenerated.
8999 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9001 * config/mips/mips.c (function_arg): Where one part of a
9002 complex argument is in registers and the other part in the stack,
9003 return a REG not a PARALLEL.
9005 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9007 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9008 when cross-compiling. Do not substitute libstdcxx_incdir.
9009 * configure: Regenerated.
9011 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9013 * varasm.c (mergeable_string_section): Check for embedded NULs and
9014 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9015 rather than TREE_STRING_LENGTH bytes.
9017 2006-06-21 Richard Guenther <rguenther@suse.de>
9019 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9020 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9023 2006-06-21 Richrad Guenther <rguenther@suse.de>
9025 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9026 Limit iteration over the dominators.
9028 2006-06-20 Roger Sayle <roger@eyesopen.com>
9030 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9031 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9033 2006-06-20 Richard Guenther <rguenther@suse.de>
9034 Michael Matz <matz@suse.de>
9036 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9038 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9039 * et-forest.h (et_free_pools): Prototype new function.
9040 * et-forest.c (et_free_tree_force): Free parent occurrence.
9041 (et_free_pools): New function.
9042 * dominance.c (free_dominance_info): Free et-forest alloc
9045 2006-06-20 Roger Sayle <roger@eyesopen.com>
9047 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9048 integer modes, attempt to directly construct an integer constant.
9050 * fold-const.c (native_encode_vector): Determine the size of each
9051 element from the vector type instead of the first vector element.
9053 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9054 if all of its elements/components are constant.
9055 (build_constructor_from_list): Likewise.
9057 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9059 PR tree-optimization/27331
9060 * tree-data-ref.c (free_data_ref): New function.
9061 (create_data_ref): Fail if the data reference has unknown access
9063 (free_data_refs): Use free_data_ref.
9065 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9068 * tree-inline.c (setup_one_parameter): Strip useless
9069 type conversion before adding it to the IR.
9070 (declare_return_variable): Likewise.
9072 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9075 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9077 2006-06-19 Mike Stump <mrs@apple.com>
9079 * tree.c (variably_modified_type_p): VM arguments don't make the
9082 2006-06-19 Richard Guenther <rguenther@suse.de>
9084 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9085 type conversions after folding.
9087 2006-06-19 Richard Guenther <rguenther@suse.de>
9089 * ggc-page.c (extra_order_size_tab): Add entries with
9090 size of struct function and basic_block.
9091 (size_lookup): Extend to cover sizes up to 511.
9092 (ggc_alloc_stat): Adjust user.
9093 (ggc_pch_count_object): Likewise.
9094 (ggc_pch_alloc_object): Likewise.
9095 (ggc_pch_write_object): Likewise.
9097 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9099 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9100 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9103 2006-06-19 Denis Chertykov <denisc@overta.ru>
9105 * config/avr/libgcc.S : Correct my wrong previous commit.
9107 2006-06-19 Roger Sayle <roger@eyesopen.com>
9110 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9111 have stripped a SUBREG from the shift count, so we may need to
9112 convert_to_mode back to the type's mode before calling make_tree.
9113 Use new_amount instead of amount to avoid expanding a tree twice.
9115 2006-06-19 Richard Guenther <rguenther@suse.de>
9118 * fold-const.c (operand_equal_p): Check if the argument types
9119 have the same precision before stripping NOPs.
9121 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9123 Fix PR tree-optimization/27341
9124 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9126 * tree-complex.c (pass_lower_complex): Update SMT usage.
9128 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9130 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9131 Add a new alternative to the constraint strings. Add move of
9132 operand 1 to 3 to the splitter definition.
9133 ("doloop_si_long"): Second contraint alternative removed.
9135 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9137 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9138 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9140 (AVR_HAVE_MOVW) Define.
9141 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9142 (ASM_SPEC): Add avr25.
9143 (LINK_SPEC): Add avr25.
9144 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9145 (base_arch_s): Add new member 'have_movw_lpmx'.
9146 (avr_arch_types): Init 'have_movw_lpmx'.
9147 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9148 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9149 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9150 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9151 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9153 (avr_file_start): Do not output '.arh' derective.
9154 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9155 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9156 * config/avr/avr.md (mcu_enhanced): Delete.
9157 (mcu_have_movw): Define.
9158 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9159 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9160 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9161 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9162 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9163 attiny861 and at86rf401 devices.
9165 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9167 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9170 2006-06-17 Karl Berry <karl@gnu.org>
9172 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9173 doc/gccint.texi, doc/install.texi (@dircategory): Use
9174 "Software development" instead of "Programming", following
9175 the Free Software Directory.
9177 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9179 * config/i386/i386.c (legitimate_tls_address)
9180 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9181 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9182 (*tls_dynamic_gnu2_combine_64): Likewise.
9184 2006-06-16 Richard Guenther <rguenther@suse.de>
9187 * fold-const.c (negate_expr_p): Do not introduce undefined
9188 overflow in negating INTEGER_CSTs.
9189 (fold_negate_expr): Rename from negate_expr. Revert last
9190 change for folding BIT_NOT_EXPR. Change semantics to
9191 return NULL_TREE for non-simplified negations. Do not
9192 strip type conversions and unify type handling.
9193 (negate_expr): New function, wrap around fold_negate_expr
9194 but ensure building a tree always. Strip type conversions
9195 here, fold to result type.
9196 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9198 2006-06-16 Roger Sayle <roger@eyesopen.com>
9201 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9202 that (would) return their results in stack registers.
9204 2006-06-16 Michael Matz <matz@suse.de>
9205 Richard Guenther <rguenther@suse.de>
9207 * fold-const.c (fold_truthop): Only return new tree node if
9208 we canonicalized something.
9210 2006-06-16 Richard Guenther <rguenther@suse.de>
9212 * function.h (enum function_frequency): Move declaration
9213 out of struct function.
9214 (struct function): Move bool fields and the enum to the bitfield
9215 section. Reorder elements to avoid padding. Remove unused
9216 fields left over from the RTL inliner removal.
9217 * function.c (free_after_compilation): Do not zero removed fields.
9218 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9219 (ipa-type-escape.o): Likewise.
9221 2006-06-16 Richard Guenther <rguenther@suse.de>
9223 * cgraph.h (struct cgraph_local_info): Turn bool elements
9225 (struct cgraph_node): Likewise.
9226 (struct cgraph_varpool_node): Likewise.
9228 2006-06-15 Richard Guenther <rguenther@suse.de>
9230 * fold-const.c (fold_truth_not_expr): Rename from
9231 invert_truthvalue. Give it fold_* semantics to avoid
9233 (invert_truthvalue): New function. Wrapper around
9234 fold_truth_not_expr.
9235 (optimize_minmax_comparison): Avoid creating garbage.
9236 (fold_unary): Use fold_truth_not_expr for folding
9238 (fold_ternary): Replace uses of invert_truthvalue with
9239 fold_truth_not_expr where applicable.
9240 * tree.h (fold_truth_not_expr): Prototype.
9242 2006-06-16 Richard Guenther <rguenther@suse.de>
9244 PR tree-optimization/27781
9245 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9246 * ipa-pure-const.c (target.h): Include.
9247 (analyze_function): Do not analyze functions that do not
9250 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9253 * tree-dfa.c (referenced_vars_dup_list): Remove.
9254 (find_referenced_vars): Remove assert.
9255 (referenced_var_check_and_insert): Replace dup list with assert.
9256 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9257 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9259 2006-06-15 Richard Guenther <rguenther@suse.de>
9261 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9262 extra unused identifiers if not dumping.
9263 (create_variable_info_for): Likewise.
9265 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9267 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9268 (derive_constant_upper_bound): Derive more precise upper bound in
9269 common cases. Return type changed to double_int.
9270 (record_estimate): Reflect the changed return type of
9271 derive_constant_upper_bound.
9272 * double-int.c (double_int_zext, double_int_sext): Fix.
9274 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9276 * configure.ac (CFLAGS): Get them from the toplevel or from the
9277 configure invocation.
9278 * configure: Regenerate.
9279 * Makefile.in (CFLAGS): Substitute value provided by configure.
9281 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9284 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9285 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9286 rather than calling add_stmt on it.
9287 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9289 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9292 * reload1.c (reload): Remove registers returned by update_eliminables
9293 from used_spill_regs.
9295 2006-06-13 DJ Delorie <dj@redhat.com>
9297 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9299 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9301 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9302 html__strip_dir, html__mkdir_p. Enhance install-html target.
9303 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9304 * configure: Regenerate.
9306 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9308 * fold-const.c (fold_cond_expr_with_comparison): Check for
9309 Objective-C++ as language in deciding COND_EXPR transformation.
9311 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9314 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9315 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9316 * config/sh/lib1funcs.h (SL, SL1): Define.
9317 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9318 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9319 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9320 (OBJS_Os_4_200): New variable.
9321 ($(T)libgcc-Os-4-200.a): Use it.
9322 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9323 when dividing 1 and/or by 0.
9325 2006-06-13 Roger Sayle <roger@eyesopen.com>
9327 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9328 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9329 * configure: Regenerate.
9331 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9333 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9334 for real instruction.
9336 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9339 * haifa-sched.c (check_cfg): Handle special case.
9341 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9344 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9345 Add debug_info parameter. Chain the vars to the BLOCK instead
9346 of the BIND_EXPR if debug info are requested for them.
9347 (pop_gimplify_context): Adjust for above change.
9348 (gimple_add_tmp_var): Likewise.
9349 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9351 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9352 (convert_local_reference): Likewise.
9353 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9354 (finalize_nesting_tree_1): Request that debug info be emitted
9355 for debug_var_chain.
9357 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9359 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9360 for PR target/27863.
9362 2006-06-13 Richard Guenther <rguenther@suse.de>
9365 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9367 2006-06-13 Richard Guenther <rguenther@suse.de>
9369 PR tree-optimization/27830
9370 * tree-inline.c (copy_body_r): For copying the operand
9371 of an ADDR_EXPR make sure to fold &* afterwards.
9373 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9375 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9376 lvalues in the fb_none case with side-effects.
9378 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9380 * tree-flow.h: Remove the prototype for
9381 compute_phi_arg_on_exit.
9382 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9383 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9386 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9388 * builtins.c (expand_builtin_return_addr): Only use
9389 frame_pointer_rtx when count == 0 and we are expanding
9390 __builtin_return_address.
9392 2006-06-12 Fred Fish <fnf@specifix.com>
9394 * config/mips/mips.c (mips_file_start): Create special section
9395 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9397 2006-06-11 Eric Christopher <echristo@apple.com>
9400 * stor-layout.c (place_field): Remove check for
9401 remaining_in_alignment when aligning at the end of a run.
9403 2006-06-11 Eric Christopher <echristo@apple.com>
9406 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9409 2006-06-11 Roger Sayle <roger@eyesopen.com>
9412 Revert incorrect fix for PR target/27158
9413 2006-05-08 Roger Sayle <roger@eyesopen.com>
9414 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9415 of a reg_equiv_constant if the result is a legitimate constant.
9417 2006-06-11 Roger Sayle <roger@eyesopen.com>
9420 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9421 extract a CONST_VECTOR element and interpret it as an integer.
9422 (vspltis_constant): Use const_vector_elt_as_int instead of the
9423 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9424 * config/rs6000/predicates.md (easy_vector_const): Consider
9425 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9427 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9430 * stor-layout.c (update_alignment_for_field): Don't add extra
9431 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9434 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9436 * config/mips/t-rtems: Add EL/EB multilib variants.
9438 2006-06-09 Mike Stump <mrs@apple.com>
9440 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9442 2006-06-09 David Daney <ddaney@avtrex.com>
9444 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9446 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9448 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9450 2006-06-09 Richard Guenther <rguenther@suse.de>
9452 PR tree-optimization/26998
9453 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9454 of signed types, only TYPE_MIN_VALUE is special, but for both,
9455 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9456 in this case, as is -fwrapv.
9458 2006-06-08 Mike Stump <mrs@apple.com>
9461 * config/darwin.c (darwin_asm_output_anchor): Disable
9462 -fsection-anchors on darwin for now.
9463 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9464 * rs6000/rs6000.c (optimization_options): Likewise.
9466 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9469 * config/i386/i386.c (classify_argument): Skip fields with invalid
9472 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9474 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9475 (cse_insn): Likewise for the stack_pointer_rtx.
9477 2006-06-08 Roger Sayle <roger@eyesopen.com>
9479 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9480 conditions from floating point comparisons.
9482 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9485 * expmed.c (struct alg_hash_entry): Fix type of field T
9486 to match synth_mult argument.
9487 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9489 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9492 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9495 2006-06-08 Richard Guenther <rguenther@suse.de>
9498 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9499 only, if overflow is defined and not trapping.
9500 (negate_expr): Likewise.
9502 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9504 PR tree-optimization/27872
9505 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9506 flag on the new exit edge of the unrolled loop.
9508 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9510 PR rtl-optimization/26449
9511 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9513 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9516 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9517 referenced_variables with matching DECL_UID's.
9518 (find_referenced_vars): Make sure duplicate list is empty to start.
9519 (referenced_var_p): Remove.
9520 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9521 Check if var is in the list, and add if needed. Update the duplicate
9522 list if a different var is in the list with the same DECL_UID.
9523 (add_referenced_var): Call routine to check and insert.
9524 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9525 * tree-flow.h (referenced_vars_dup_list): External declaration.
9527 2006-06-07 Fred Fish <fnf@specifix.com>
9529 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9532 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9535 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9536 the imaginary and real parts of a clobbered register.
9537 Emit insn to set the imaginary part.
9539 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9541 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9542 in lieu of unwind-dw2-fde.c.
9544 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9546 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9548 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9551 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9552 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9553 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9554 V4SImode temporaries and operations instead.
9556 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9558 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9561 2006-06-06 Mike Stump <mrs@apple.com>
9563 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9564 installing during build.
9566 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9568 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9570 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9571 * config/ia64/ia64.c (params.h): New header.
9572 (ia64_optimization_options): New function to adjust parameters.
9573 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9574 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9575 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9577 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9579 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9581 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9584 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9586 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9587 Victor Kaplansky <victork@il.ibm.com>
9589 PR tree-optimization/26360
9590 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9593 2006-06-04 Roger Sayle <roger@eyesopen.com>
9594 Andrew Pinski <pinskia@physics.uc.edu>
9597 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9598 for LABEL_DECL before calling DECL_WEAK.
9601 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9602 LABEL_DECL and PARM_DECL.
9604 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9608 * c-decl.c (grokdeclarator): Disallow variably modified types at
9609 file scope. Avoid marking shared array type of constant size as
9612 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9615 * c-common.c (fold_offsetof_1): Handle static members.
9617 2006-06-04 Eric Christopher <echristo@apple.com>
9619 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9620 (debug_rli): Output value for remaining_in_alignment.
9621 (update_alignment_for_field): Unconditionalize
9622 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9623 extra alignment code.
9624 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9625 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9626 * tree.h (record_layout_info_s): Remove prev_packed.
9627 * doc/extend.texi (ms_struct): Add documentation of format.
9629 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9631 * tree.h: Declare folding_initializer.
9632 * builtins.c (fold_builtin_constant_p): Give definite answer
9633 if folding inside an initializer.
9634 * fold-const.c: Define folding_initializer.
9635 (START_FOLD_INIT): Save and then set folding_initializer.
9636 (END_FOLD_INIT): Restore folding_initializer.
9638 2006-06-04 Richard Guenther <rguenther@suse.de>
9640 PR tree-optimization/27039
9641 * fold-const.c (fold_comparison): Handle pointer comparison
9642 again for all comparison codes. Compare offsets in signed
9644 (fold_binary): Move code from here.
9646 2006-06-03 Roger Sayle <roger@eyesopen.com>
9649 * config/i386/i386.c (construct_container): Split static issued_error
9650 flag into issued_sse_arg_error, issued_sse_ret_error and
9651 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9652 requires the use of x87 registers and the user explicitly
9653 specified the -mno-80387 command line option.
9655 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9657 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9658 HAVE_DECL_SIGALTSTACK.
9660 (segv_handler): Use MC_FLD.
9661 * configure.ac: Check for a sigaltstack declaration.
9662 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9663 * configure: Regenerate.
9664 * config.in: Regenerate.
9666 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9669 * Makefile.in (stmp-fixinc): Fix typo.
9671 2006-06-02 Roger Sayle <roger@eyesopen.com>
9673 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9674 are type correct. Clean-up.
9675 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9676 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9678 2006-06-01 DJ Delorie <dj@redhat.com>
9680 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9681 shift, as we've disabled the "switch" insn that needs it.
9683 2006-06-01 Per Bothner <bothner@bothner.com>
9685 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9686 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9687 * c-ppoutput.c (cb_define): Don't increment line 0.
9689 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9691 * doc/invoke.texi: Add cpu_type power6.
9692 * config.gcc: Add cpu_type power6.
9693 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9694 to power5+ with Altivec.
9695 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9696 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9698 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9700 * config/avr/avr.h (SET_ASM_OP): Define.
9702 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9704 * config/bfin/bfin.c: Fix comment typos.
9706 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9709 * doc/install.texi: Document --enable-bootstrap and
9710 --disable-bootstrap.
9712 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9714 * doc/install.texi: Document that InfoZIP can replace jar.
9716 2006-05-31 Roger Sayle <roger@eyesopen.com>
9718 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9719 isn't available, directly generate the simpler x87 patterns without
9720 the (use (const_int 0)).
9721 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9722 implementation isn't available.
9723 (*negdf2_1): Likewise.
9724 (*negxf2_1): XF mode negation is always done using the x87.
9725 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9727 2006-05-31 Roger Sayle <roger@eyesopen.com>
9729 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9730 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9732 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9734 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9736 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9737 * config/bfin/bfin.c (basic-block.h): Include.
9738 (struct machine_function): New.
9739 (bfin_init_machine_status): New.
9740 (override_options): Initialize init_machine_status.
9741 (bfin_hardware_loop): New.
9742 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9743 (DEF_VEC_P (loop_info)): New.
9744 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9745 (struct loop_info): New.
9746 (loop_info): New typedef.
9747 (struct loop_work): New.
9748 (loop_work): New typedef.
9749 (DEF_VEC_O (loop_work)): New.
9750 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9751 (bfin_dump_loops): New.
9752 (bfin_bb_in_loop): New.
9753 (bfin_scan_loop): New.
9754 (bfin_optimize_loop): New.
9755 (bfin_reorg_loops): New.
9756 (bfin_reorg): Use bfin_reorg_loops.
9757 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9759 (I_REGNO_P): Simplify.
9760 (DP_REGNO_P, DPREG_P): New macros.
9761 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9762 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9763 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9764 Add LT_REGS, LC_REGS, LB_REGS.
9765 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9767 (REGNO_REG_CLASS): Deal with loop registers.
9768 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9770 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9771 New constants for loop registers.
9772 (UNSPEC_LSETUP_END): New.
9773 (seq_insns): New define_attr. Set it for appropriate insns.
9774 (movsi_insn): Add alternatives for move from/to
9775 loop count registers.
9776 (doloop_end): New define_expand.
9777 (loop_end): New define_insn.
9778 (define_split for bad doloop_end): New.
9779 (lsetup_with_autoinit): New define_insn.
9780 (lsetup_without_autoinit): New define_insn.
9781 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9782 * config/bfin/predicates.md (lc_register_operand): New.
9783 (lt_register_operand): New.
9784 (lb_register_operand): New.
9785 (nondp_register_operand): New.
9786 (nondp_reg_or_memory_operand): New.
9787 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9789 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9791 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9792 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9794 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9796 * Makefile.in (CATALOGS): Add po/ prefix.
9797 * configure: Regenerated.
9799 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9802 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9803 a shift operand before calling shift_op. Avoid redundant call of
9806 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9807 DJ Delorie <dj@redhat.com>
9809 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9810 we're inserting is a singlt-bit constant.
9812 2006-05-30 Roger Sayle <roger@eyesopen.com>
9814 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9815 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9817 2006-05-30 Roger Sayle <roger@eyesopen.com>
9819 PR tree-optimization/23452
9820 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9821 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9822 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9823 complex values and with -ffast-math for FP complex values.
9825 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9827 * c-common.h: Remove the prototype for yyparse.
9828 * rtl.h: Remove the prototype for init_loop.
9830 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9832 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9835 2006-05-30 Roger Sayle <roger@eyesopen.com>
9837 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9839 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9840 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9842 2006-05-30 Dirk Mueller <dmueller@suse.de>
9845 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9846 for CONSTANT_CLASS_P expresisons.
9848 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9851 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9853 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9855 PR tree-optimization/27779
9856 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9857 initial_condition instead of CHREC_LEFT.
9859 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9861 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9862 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9863 Make prototypes ISO C90.
9865 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9866 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9868 * see.c (see_analyze_one_def): Correct check.
9869 (see_get_extension_data): Check if extension is parallel.
9870 (see_get_extension_reg): Likewise.
9872 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9875 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9876 into register for (code == GTU).
9878 2006-05-29 Roger Sayle <roger@eyesopen.com>
9880 PR tree-optimization/24964
9881 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9882 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9883 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9884 abs(x)*abs(x) as x*x for scalar floating point modes.
9886 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9889 * lambda-code.c (perfect_nestify): Don't copy statements
9890 in the inner loop: move them to the inner loop header.
9892 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9895 * c-tree.texi: Document OpenMP directives and clauses.
9897 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9899 * varasm.c (globalize_decl): Fix indentation.
9901 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9904 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9905 pass_fre, pass_store_ccp, pass_copy_prop,
9906 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9907 pass_return_slot, pass_object_size, pass_lim,
9908 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9909 pass_loop_prefetch and pass_stdarg.
9911 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9913 * config/bfin/bfin.opt (mfdpic): New option.
9914 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9915 (EXTRA_MULTILIB_PARTS): Likewise.
9916 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9917 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9919 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9920 (CRT_CALL_STATIC_FUNCTION): New.
9921 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9923 (CRT_CALL_STATIC_FUNCTION): New.
9924 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9926 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9927 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9928 (initialize_trampoline): Changed to handle FD-PIC code generation.
9929 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9930 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9931 (override_options): Disallow -mid-shared-library -mfdpic combination.
9932 Can't do unaligned ops if FD-PIC.
9933 Turn off flag_pic if trying to generate non-id-shared-library
9934 non-fdpic code, since it's not supported.
9935 (bfin_assemble_integer): New function.
9936 (TARGET_ASM_INTEGER): Define.
9937 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9939 * config/bfin/crtn.s: Restore them.
9940 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9942 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9943 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9944 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9945 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9946 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9948 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9949 FDPIC_REGS and FDPIC_FPTR_REGS.
9950 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9951 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9952 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9953 (load_funcdescsi): New pattern.
9954 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9955 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9956 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9958 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9960 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9963 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9965 * tree-flow.h: Remove the prototype for add_type_alias.
9966 * tree-ssa-alias.c (add_type_alias): Remove.
9968 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9970 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9971 config/fr30/fr30.md, config/i386/i386-interix.h,
9972 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9973 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9974 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9975 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9976 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9977 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9978 Follow spelling conventions.
9979 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9980 Follow spelling conventions.
9982 2006-05-27 Richard Guenther <rguenther@suse.de>
9985 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9986 to produce a constant of value 1 of generic type.
9988 2006-05-27 Dirk Mueller <dmueller@suse.de>
9990 * cgraphunit.c (decide_is_function_needed): Fix wrong
9993 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9995 PR rtl-optimization/27661
9996 * reload.c (find_reloads): When reloading a VOIDmode constant
9997 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9998 use Pmode as mode of the reload register.
10000 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10002 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10003 is enabled at -O and above.
10005 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10008 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10011 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10014 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10015 for anonymous variables explicitly declared by front ends.
10017 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10019 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10020 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10021 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10022 ref-all pointers, run a finalization pass for them.
10023 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10024 (finalize_ref_all_pointers): New function.
10025 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10026 regular pointer type to a ref-all pointer type.
10027 (get_tmt_for): Return the special memory tag for ref-all pointers.
10029 2006-05-25 Richard Guenther <rguenther@suse.de>
10031 PR middle-end/27743
10032 * fold-const.c (fold_binary): Do not look at the stripped
10033 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10035 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10037 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10038 for LT and GT if the computed range is effectively empty.
10040 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10043 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10044 mips_quad_format formats instead of ieee_single_format,
10045 ieee_double_format and ieee_quad_format formats, respectively.
10047 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10049 PR tree-optimization/27639
10050 PR tree-optimization/26719
10051 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10052 call to scev_probably_wraps_p.
10053 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10054 used_in_pointer_arithmetic_p, convert_step): Removed.
10055 (nowrap_type_p): New function.
10056 (scev_probably_wraps_p): Rewritten.
10057 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10058 chrec_convert if chrec_convert_aggressive might have been used.
10059 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10060 scev_direction): New functions.
10061 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10062 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10063 instead of convert_step.
10064 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10065 (convert_step): Declaration removed.
10066 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10068 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10070 * df-core.c: Added to header comments.
10071 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10072 df_ur_bb_info, df_urec_bb_info): Added comments.
10073 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10074 urec, ri problems): Fixed header comments.
10075 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10076 code from df_rd_transfer_function.
10078 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10080 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10081 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10082 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10084 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10086 * expr.c (undefined_operand_subword_p): New.
10087 (emit_move_multi_word): Do not generate move from undefined bits
10088 of a paradoxical subreg.
10090 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10092 PR rtl-optimization/27736
10093 * combine.c (replaced_rhs_value): New variable.
10094 (combine_instructions): Set it.
10095 (distribute_notes): When distributing a note in replaced_rhs_insn,
10096 check whether the value was used in replaced_rhs_value.
10098 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10101 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10102 add_referenced_var instead of add_referenced_tmp_var.
10103 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10104 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10105 add_referenced_var.
10106 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10107 tree_optimize_tail_calls_1): Use add_referenced_var.
10108 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10109 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10110 Use add_referenced_var.
10111 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10112 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10113 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10114 Use add_referenced_var.
10115 * tree-dfa.c (struct walk_state): Remove.
10116 (find_referenced_vars): Remove walk state and vars_found hash table.
10117 (make_rename_temp): Use add_referenced_var.
10118 (find_vars_r): Pass less parameters to add_referenced_var.
10119 (referenced_var_p): New. Is var in referenced_var hash table.
10120 (referenced_var_insert): Assert var isn't already in hash table.
10121 (add_referenced_var): Don't need walk_state parameter. Add var if it
10122 isn't already in the hash table.
10123 (add_referenced_tmp_var): Remove.
10124 (find_new_referenced_vars_1): Use add_referenced_var.
10125 * tree-ssa-pre.c (create_expression_by_pieces,
10126 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10127 Use add_referenced_var.
10128 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10129 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10130 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10131 add_referenced_var.
10132 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10133 vect_create_data_ref_ptr, vect_create_destination_var,
10134 vect_init_vector, vect_build_loop_niters,
10135 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10136 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10137 Use add_referenced_var.
10138 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10139 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10140 (add_referenced_var): Add prototype.
10141 * tree-ssa-structalias.c (get_constraint_for,
10142 intra_create_variable_infos): Use add_referenced_var.
10144 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10146 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10147 big-endian paradoxical subregs.
10148 * var-tracking.c (struct micro_operation_def): Document that,
10149 for modify micro operations, insn is the subsequent instruction.
10150 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10151 (var_reg_set, var_mem_set): ... new functions.
10152 (add_stores): Record subsequent insn.
10153 (compute_bb_dataflow): Use new functions for MO_USE.
10154 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10155 notes after the insn, and modify notes before the insn known
10156 to be the subsequent one.
10157 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10159 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10162 * config/i386/i386.c (ix86_expand_builtin): Use
10163 gen_sse3_monitor64 for TARGET_64BIT.
10165 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10167 PR rtl-optimization/26375
10168 PR rtl-optimization/26855
10169 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10171 (df_ru_bb_local_compute): Reversed statements and removed bogus
10172 comment explaining why they should be in wrong order.
10173 (df_ru_dump, df_rd_dump): Enhanced debug info.
10174 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10176 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10177 reaching uses and fixed space problem.
10179 2006-05-23 Jan Hubicka <jh@suse.cz>
10181 * cgraphunit.c (decide_is_function_needed): Also nested functions
10182 and functions declared inline can be optimized out at -O0.
10184 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10186 * doc/install.texi (Configuration): Remove reference to CrossGCC
10187 FAQ which was gone.
10190 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10193 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10194 ix86_compare_emitted is non-NULL.
10196 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10199 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10202 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10204 PR rtl-optimization/25514
10205 * combine.c (replaced_rhs_insn): New variable.
10206 (combine_instructions): Set replaced_rhs_insn when trying to replace
10207 a SET_SRC with a REG_EQUAL note.
10208 (distribute_notes): Use replaced_rhs_insn when determining the live
10209 range of a REG_DEAD register.
10211 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10212 Anatoly Sokolov <aesok@post.ru>
10214 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10215 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10216 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10217 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10218 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10219 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10220 at90usb647, at90usb1286 and at90usb1287 devices.
10221 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10222 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10224 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10226 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10228 2006-05-22 Richard Guenther <rguenther@suse.de>
10231 2006-01-31 Richard Guenther <rguenther@suse.de>
10232 Paolo Bonzini <bonzini@gnu.org>
10234 * doc/install.texi (--disable-libgcc-math): Document.
10236 2006-05-22 Richard Guenther <rguenther@suse.de>
10239 2006-01-31 Richard Guenther <rguenther@suse.de>
10241 * doc/invoke.texi (-msselibm): Document.
10242 * target.h (expand_library_builtin): New target hook.
10243 * builtins.c (expand_builtin): Use expand_library_builtin.
10244 (default_expand_library_builtin): New function.
10245 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10246 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10247 (link_gcc_math_spec): Declare.
10248 (static_specs): Add link_gcc_math_spec.
10249 * expr.h (default_expand_library_builtin): Declare.
10250 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10251 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10252 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10253 * config/i386/i386.opt (msselibm): New target option.
10254 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10255 (ix86_init_sse_abi_builtins): New function.
10256 (ix86_expand_library_builtin): Likewise.
10257 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10258 (override_options): Handle error conditions wrt -msselibm.
10259 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10260 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10261 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10264 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10267 * c-common.c (self_promoting_args_p): Skip erroneous args.
10270 * c-decl.c (finish_struct): Skip erroneous fields.
10272 2006-05-22 Nick Clifton <nickc@redhat.com>
10274 * config/cris/cris.opt (march): Remove VarExists attribute.
10275 (max-stackframe=): Likewise.
10277 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10279 * doc/rtl.texi: Fix a typo.
10280 * see.c: Fix comment typos.
10282 * tree-ssa-structalias.h (alias_info): Remove num_references.
10284 2006-05-21 Mike Stump <mrs@apple.com>
10286 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10288 (darwin_pragma_options): Use BAD instead.
10289 (darwin_pragma_unused): Likewise.
10290 (darwin_pragma_ms_struct): Likewise.
10292 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10294 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10296 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10298 PR rtl-optimization/27671
10299 * simplify-rtx.c (simplify_relational_operation_1): Fix
10300 simplifications of (eq/ne (xor x y) y) and
10301 (eq/ne (xor x y) x).
10303 PR tree-optimization/26622.
10304 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10307 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10309 * tree-cfg.c: Prune whitespace.
10310 (debug_tree_cfg): Point to correct header containing the
10313 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10315 PR middle-end/25776
10316 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10318 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10320 PR middle-end/25776
10321 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10322 or sorry count is non zero.
10324 2006-05-20 Andreas Schwab <schwab@suse.de>
10326 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10328 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10329 Kenneth Zadeck <zadeck@naturalbridge.com>
10331 PR rtl-optimization/26855
10333 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10335 (df_scan_alloc): Added code to properly handle multiword hard
10336 registers and add all_blocks parameter.
10337 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10338 code to properly handle multiword hard registers.
10339 (df_rescan_blocks): Added code to remove deleted blocks from
10341 (df_ref_create_structure, df_ref_record): Added code to properly
10343 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10344 and set DF_REF_PARTIAL.
10345 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10346 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10347 (df_scan_add_problem): Added flags parameter.
10348 (df_ref_create_structure): Changed switching structure.
10349 (df_bb_refs_record): Fixed case where duplicate artificial refs
10350 were created. Changed location of flags.
10351 (df_record_entry_block_defs): Added code to make stack pointer
10352 live in entry block. Refined cases where frame pointer is needed.
10353 Changed location of flags.
10354 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10355 (df_set_state): Removed function.
10356 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10357 df_insn_create_insn_record, df_insn_refs_delete,
10358 df_ref_create_structure): Formatting changes.
10359 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10360 df_delete_basic_block): New function.
10361 (df_init): Changed location of flags.
10362 (df_add_problem): Added flags parameter and the way flags are
10364 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10365 debug_df_chain): Improved debugging output.
10366 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10367 (df_refs_chain_dump): Removed df parameter.
10368 (df_iterative_dataflow): Added consistency check.
10369 (df_prune_to_subcfg): Made public.
10370 (df_analyze_problem): Added blocks_to_init parameter and made
10372 (df_ref_record, df_bb_refs_record, df_mark_reg,
10373 df_record_exit_block_uses): Whitespace changes.
10374 (df_dump): Whitespace changes.
10375 * df.h: Some reordering to remove forward references.
10376 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10377 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10378 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10379 (dataflow.flags): New field.
10380 (df.flag): Deleted field.
10381 (df_alloc_function): Added additional bitmap parameter.
10382 (df_dependent_problem_function): New type.
10383 (df_problem.changeable_flags): New field.
10384 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10385 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10386 (df_mw_hardreg): New struct.
10387 (DF_INSN_UID_MWS): New macro.
10388 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10390 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10391 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10392 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10393 (df_set_state): Removed function.
10394 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10395 * df-problems.c (df_chain_dump): Removed df parameter.
10396 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10397 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10399 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10400 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10401 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10402 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10403 DF_REF_MUST_CLOBBER cases.
10404 (df_ru_bb_local_compute_process_def,
10405 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10406 df_lr_bb_local_compute, df_ur_bb_local_compute,
10407 df_chain_create_bb): Made subreg aware.
10408 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10409 df_lr_bb_local_compute, df_lr_bb_local_compute,
10410 df_chain_create_bb): Cleanup to use proper macros.
10411 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10412 code to fixup bitvectors.
10413 (df_ri_alloc): Cleared lifetime.
10414 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10415 df_create_unused_note): New function.
10416 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10417 REG_DEAD and REG_UNUSED notes as well as register information.
10418 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10419 df_chains_dump): Fixed crash if problem was never run.
10420 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10421 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10422 df_ri_add_problem): Processes flags in uniform manner.
10423 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10424 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10425 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10426 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10427 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10428 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10429 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10430 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10431 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10432 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10433 * see.c (see_initialize_data): Ditto.
10434 * final.c (rest_of_clean_state) Added regstack_completed.
10435 * rtl.h (regstack_completed): Ditto.
10436 * reg-stack.c (regstack_completed): Ditto.
10438 2006-05-19 Mike Stump <mrs@apple.com>
10440 * c-tree.h (default_conversion): Remove.
10441 * c-common.h (default_conversion): Add.
10443 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10445 * tree-vrp.c (valid_value_p): New function.
10446 (adjust_range_with_scev): Fail if the value of bound is not
10449 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10451 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10452 (mips_fallback_frame_state): Use syscall numbers to determine
10453 the appropriate li instruction for the current ABI. Only use
10454 __NR_sigreturn for o32.
10456 2006-05-19 Nicolas Setton <setton@adacore.com>
10458 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10459 * langhooks.c (lhd_dwarf_name): New function.
10460 * langhooks-def.h (lhd_dwarf_name): Declare.
10461 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10462 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10464 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10466 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10468 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10469 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10470 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10471 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10472 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10473 determine the size of Wtype, etc.
10474 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10475 (swfloatfuncs): New variable.
10476 (dwfloatfuncs): Likewise.
10477 (lib2funcs): Remove floating-point conversion functions from
10478 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10479 the set of conversion routines needed. Allow entries to specify
10480 an object name, filename and word size. Update users accordingly.
10481 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10482 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10486 2006-02-08 Roger Sayle <roger@eyesopen.com>
10489 * config/fixtfdi.c: New libgcc source file.
10490 * config/fixunstfdi.c: New source file.
10491 * config/floatditf.c: New source file.
10492 * config/floatunditf.c: New souce file.
10493 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10494 files above instead of config/mips/_tilib.c.
10495 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10497 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10499 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10500 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10502 2006-05-18 Mike Stump <mrs@apple.com>
10504 Fix up vla, vm and [*] sematics.
10510 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10511 (c_vla_unspec_p): Add.
10512 (c_vla_type_p): Add.
10513 * c-decl.c (struct c_scope): Add had_vla_unspec.
10514 (build_array_declarator): Add support for [*].
10515 (grokdeclarator): Likewise.
10516 (grokparms): Likewise.
10517 (get_parm_info): Likewise.
10518 * c-objc-common.c (c_vla_unspec_p): Likewise.
10519 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10520 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10521 typeof when argument is a variably modified type not inside sizeof or alignof.
10522 (c_parser_direct_declarator_inner): Propagate errors.
10523 (c_parser_sizeof_expression): Add support for [*].
10524 (c_parser_parms_declarator): Initialize had_vla_unspec.
10525 (c_parser_parms_list_declarator): Likewise.
10526 * c-typeck.c (c_vla_type_p): Add.
10527 (composite_type): Add support for vla compositing.
10528 (comptypes_internal): Add support for vla compatibility.
10529 (c_expr_sizeof_expr): Evaluate vla arguments.
10530 * tree.c (variably_modified_type_p): Update comment for [*].
10532 2006-05-18 Michael Matz <matz@suse.de>
10535 * config.host: Make assignments to host_xmake_file cumulative.
10536 * config.host (*-darwin*): Test $host, not $target.
10538 2006-05-12 Stuart Hastings <stuart@apple.com>
10540 * config/i386/i386.opt (-mstackrealign): New flag.
10541 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10542 (ix86_handle_cconv_attribute): Emit error when
10543 force_align_arg_pointer attribute collides with too many regparms.
10544 (ix86_function_regparm): Limit regparms when used with
10545 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10546 Support stack-realigning prologue in non-main functions. Emit
10547 warning for nested functions under -mstackrealign, emit error for
10548 nested functions with force_align_arg_pointer attribute.
10549 * doc/extend.texi (force_align_arg_pointer): Document it.
10550 * doc/invoke.texi (-mstackrealign): Document it.
10552 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10554 PR rtl-optimization/27477
10555 * combine.c (try_combine): Don't split a parallel consisting
10556 of two sets into two individual sets if both sets reference
10559 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10561 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10562 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10564 * doc/options.texi (VarExists): Updated.
10566 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10568 * unwind-dw2.c: Add declarations for uw_update_context and
10569 uw_frame_state_for.
10570 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10571 detected, advance frame state and context once to skip over stub.
10573 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10575 PR middle-end/20256
10576 PR middle-end/26435
10577 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10578 Call rewrite_into_loop_closed_ssa only when something changed.
10579 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10580 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10581 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10582 Test for perfect_nest_p here. Fix formating.
10583 (replace_uses_equiv_to_x_with_y): Fix formating.
10584 (stmt_uses_op): Removed.
10585 (can_convert_to_perfect_nest): Removed loopivs parameter.
10586 Complete the test by checking the scalar dependences.
10587 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10590 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10593 From Dan Kegel <dank@kegel.com>:
10594 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10596 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10598 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10599 if the element type is variably modified without recursing.
10601 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10603 PR middle-end/27332
10604 * tree-loop-linear.c (try_interchange_loops): Test for
10605 no data dependences.
10607 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10609 PR tree-optimization/27548
10610 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10611 range of ssa names that appear on abnormal edges.
10612 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10613 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10615 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10617 PR middle-end/27620
10618 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10620 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10622 PR middle-end/27415
10623 * tree.h (OMP_PARALLEL_COMBINED): Define.
10624 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10625 (new_omp_context): Add is_combined_parallel argument.
10626 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10627 new_omp_context caller.
10628 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10629 Adjust gimplify_scan_omp_clauses callers.
10630 (omp_is_private): Issue errors if iteration variable is firstprivate
10631 or reduction in the current context.
10632 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10633 on combined parallel workshare constructs.
10635 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10637 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10638 (gcc-options.o): New rule.
10640 * optc-gen.awk: Protect variables for gcc-options.o with
10641 #ifdef GCC_DRIVER/#endif.
10643 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10645 Fix PR tree-optimization/27373
10646 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10647 (forward_propagate_addr_expr): Update call.
10649 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10651 * doc/options.texi: Move the Negative option.
10653 2006-05-16 Richard Guenther <rguenther@suse.de>
10655 PR tree-optimization/22303
10656 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10658 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10659 ccp_fold did not simplify the statement.
10661 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10664 * Makefile.in (GCC_OBJS): New.
10665 (OBJS-common): Add opts-common.o.
10666 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10667 (cpp$(exeext)): Likewise.
10668 (gcc.o): Also depend on opts.h.
10669 (opts-common.o): New.
10671 * common.opt (gcoff): Add Negative(gdwarf-2).
10672 (gdwarf-2): Add Negative(gstabs).
10673 (gstabs): Add Negative(gstabs+).
10674 (gstabs+): Add Negative(gvms).
10675 (gvms): Add Negative(gxcoff).
10676 (gxcoff): Add Negative(gxcoff+).
10677 (gxcoff+): Add Negative(gcoff).
10678 * config/i386/i386.opt (m32): Add Negative(m64).
10679 (m64): Add Negative(m32).
10681 * doc/options.texi: Document the Negative option.
10683 * gcc.c: Include "opts.h".
10684 (main): Call prune_options after expandargv.
10686 * optc-gen.awk: Generate common declarations for all flag
10687 variables in options.c. Output the neg_index field.
10689 * opts.c (find_opt): Moved to ...
10690 * opts-common.c: Here. New file.
10692 * opts.h (cl_option): Add a neg_index field.
10694 (prune_options): Likewise.
10696 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10698 PR middle-end/27573
10699 * omp-low.c (expand_omp_parallel): Don't assert
10700 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10701 instead search for it.
10704 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10707 2006-05-16 Andreas Schwab <schwab@suse.de>
10709 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10712 2006-05-15 Roger Sayle <roger@eyesopen.com>
10715 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10716 integer constants other than zero are only legitimate on TARGET_64BIT.
10717 <CONST_VECTOR> Only zero vectors are legitimate.
10718 (ix86_cannot_force_const_mem): Integral and vector constants can
10719 always be put in the constant pool.
10721 2006-05-16 DJ Delorie <dj@redhat.com>
10723 * crtstuff.c (__dso_handle): Set section from
10724 TARGET_LBIGCC_SDATA_SECTION if defined.
10725 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10726 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10728 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10731 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10734 2006-05-16 Ben Elliston <bje@au.ibm.com>
10736 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10738 2006-05-15 Per Bothner <per@bothner.com>
10740 * tree.c: (last_annotated_node): Use source_locus typedef.
10741 This permits bootstrapping with --enable-mapped-location.
10743 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10745 PR tree-optimization/26830
10746 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10747 (info_for_ssa_name, current_info_for_ssa_name_age,
10748 blocks_to_update): New variables.
10749 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10750 (clear_ssa_name_info, initialize_flags_in_bb,
10751 mark_block_for_update): New functions.
10752 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10753 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10754 prepare_def_site_for): Use mark_block_for_update.
10755 (mark_def_interesting): Assert that the processed block is marked in
10756 blocks_to_update. Do not take blocks argument.
10757 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10759 (rewrite_update_init_block, rewrite_update_stmt): Only process
10760 blocks with statements to rewrite.
10761 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10762 (update_ssa): Initialize and free blocks_to_update. Do not
10763 clear flags on statements. Do not use blocks bitmap.
10764 * tree.h (SSA_NAME_AUX): Removed.
10765 (struct tree_ssa_name): Removed aux field.
10766 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10768 2006-05-15 Richard Guenther <rguenther@suse.de>
10770 PR tree-optimization/27603
10771 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10772 Do computations in original type.
10774 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10776 * see.c: Code style changes such as redundant paranthesis,
10777 redundant intialization of local variables etc.
10778 (see_main): Declared now as static.
10779 * doc/invoke.texi: Update that -fsee is not enabled by
10782 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10784 * omp-low.c (check_omp_nesting_restrictions): New function.
10785 (scan_omp_1): Call it.
10787 PR middle-end/27416
10788 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10789 construct, return *VAR.
10791 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10793 PR rtl-optimization/27406
10794 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10797 2006-05-14 Roger Sayle <roger@eyesopen.com>
10799 PR rtl-optimization/27538
10800 * combine.c (expand_compound_operation): Call gen_lowpart
10801 before calling simplify_shift_const.
10803 2006-05-14 Roger Sayle <roger@eyesopen.com>
10805 PR rtl-optimization/22563
10806 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10807 a fixed width bitfield, always force the intermediates into psuedos.
10809 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10812 * mkconfig.sh: Use operator = instead of == for test.
10814 2006-05-13 Nick Clifton <nickc@redhat.com>
10816 * dwarf2out.c (dbx_reg_number): Check return value from
10817 LEAF_REG_REMAP and only use it if it is valid.
10818 (multiple_reg_loc_descriptor): Likewise.
10820 2006-05-13 Richard Guenther <rguenther@suse.de>
10822 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10825 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10827 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10828 information attached to non-INSNs such as NOTEs.
10829 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10831 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10833 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10835 * config/s390/s390.md: Adjust comment describing On constraint.
10837 2006-05-11 Jan Hubicka <jh@suse.cz>
10839 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10840 to be output at -O0.
10842 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10844 PR middle-end/27384
10845 * fold-const.c (size_binop): Move sanity check for arguments to
10846 the beginning of the function.
10848 PR middle-end/27488
10849 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10852 2006-05-11 Richard Guenther <rguenther@suse.de>
10854 PR middle-end/27529
10855 * fold-const.c (fold_unary): Handle intermediate conversion
10856 to a pointer type like intermediate conversion to an integer
10857 type in folding of (T1)(T2)var to var.
10858 Match the code to the comment in the final conversion for
10859 (T1)(T2)var to (T1)var regarding to type precision. Rather
10860 than disallow T1 being of pointer type, assert that both T1
10861 and var are of pointer type or not. Make sure not to fall
10862 over the frontends lazyness wrt array to pointer decay though.
10864 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10866 * arm.c (arm_struct_value_rtx): Delete.
10867 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10868 (arm_init_cumulative_args): Always initialize nregs to zero.
10870 2006-05-10 Richard Guenther <rguenther@suse.de>
10872 PR tree-optimization/27532
10873 * tree-object-size.c (plus_expr_object_size): Fix typo.
10875 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10878 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10879 ashrdi_const, ashrdi3): Use a scratch register.
10881 2006-05-10 Richard Guenther <rguenther@suse.de>
10883 PR tree-optimization/27302
10884 * fold-const.c (operand_equal_p): For two comparisons,
10885 try comparison of one comparison code swapped if that yields
10888 2006-05-10 Ben Elliston <bje@au.ibm.com>
10890 * tree-pretty-print.c (pretty_print_string): No need to handle
10891 '\0' as a special character.
10893 * tree.h: Include "hashtab.h".
10894 (iterative_hash_expr): Use hashval_t in its prototype.
10895 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10897 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10900 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10901 (hppa*64*-*-hpux11*): Ditto.
10902 (hppa[12]*-*-hpux11*): Ditto.
10904 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10907 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10909 2006-05-09 Michael Matz <matz@suse.de>
10911 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10912 host_extra_gcc_objs and host_xmake_file.
10913 (<*-*-linux*>): Don't overwrite host_xmake_file.
10914 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10915 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10916 (host_detect_local_cpu): Declare.
10917 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10918 * config/i386/i386.c (override_options): Handle -mtune=native
10920 * config/i386/x-i386: New file.
10921 * config/i386/driver-i386.c: New file.
10922 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10925 2006-05-09 Dirk Mueller <dmueller@suse.de>
10926 Richard Guenther <rguenther@suse.de>
10928 PR middle-end/27498
10929 * fold-const.c (fold_read_from_constant_string): Relax check
10930 for matching types to matching modes.
10932 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10934 PR rtl-optimization/27335
10935 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10938 2006-05-08 Chao-ying Fu <fu@mips.com>
10939 Richard Sandiford <richard@codesourcery.com>
10941 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10942 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10943 * config/mips/mips.md (UNSPEC_SCC): New constant.
10944 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10945 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10946 (mips_emit_compare): Use it.
10947 (mips_expand_vcondv2sf): New function.
10949 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10951 Fix PR tree-optimization/27093
10952 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10953 renaming when they become not-used_alone.
10955 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10957 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10958 relocation and relocation stubs.
10960 2006-05-08 Eric Christopher <echristo@apple.com>
10962 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10965 2006-05-08 Jan Hubicka <jh@suse.cz>
10967 PR middle-end/24561
10968 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10969 unused static functions are needed.
10971 2006-05-08 Roger Sayle <roger@eyesopen.com>
10974 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10975 of a reg_equiv_constant if the result is a legitimate constant.
10977 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10980 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10981 standard 80387 constants, raise the cost to prevent
10982 compress_float_constant() to generate load from memory.
10984 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10986 * config/arm/constraints.md (c): Fix a typo.
10988 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10991 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10994 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10996 (_mm_mwait): Likewise.
10998 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11000 (sse3_monitor): Make it 32bit only.
11001 (sse3_monitor64): New. 64bit monitor.
11003 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11006 * config/i386/i386.c (classify_argument): Skip fields with invalid
11009 2006-05-07 Richard Guenther <rguenther@suse.de>
11011 PR tree-optimization/27409
11012 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11013 Do not try to find zero-sized subvars.
11015 2006-05-07 Richard Guenther <rguenther@suse.de>
11017 PR tree-optimization/27136
11018 * tree-ssa-loop-niter.c (get_val_for): Correct function
11019 comment, assert requirements.
11020 (loop_niter_by_eval): Stop processing if the iterated
11021 value did not simplify.
11023 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11025 * opts.c (flag_see): remove its setting at -O3.
11027 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11029 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11030 * arm/constraints.md: New file.
11031 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11032 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11033 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11034 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11035 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11036 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11037 * arm.md: Include constraints.md.
11038 (thumb_movsi_insn): Use satisfies_constraint_J.
11039 (movhi, movqi): Use satisfies_constraint_I.
11041 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11043 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11044 for atmeg a645 device.
11046 2006-05-06 Richard Guenther <rguenther@suse.de>
11048 PR tree-optimization/27151
11049 * tree-vect-transform.c (vectorizable_condition): Punt on
11050 values that have a different type than the condition.
11052 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11055 * c-parser.c (c_parser_cast_expression): Only insert casts into
11056 hash table if pointer.
11057 * function.c (used_types_insert_helper): Rename from
11059 (used_types_insert): Call used_types_insert_helper.
11060 * function.h (used_types_insert): Accept only one argument.
11062 2006-05-05 David Edelsohn <edesohn@gnu.org>
11064 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11065 scratch with output modifier.
11067 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11070 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11071 with output modifier.
11073 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11076 * config/mips/mips.c (mips_symbolic_address_p): Return true
11077 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11078 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11080 2006-05-04 Richard Guenther <rguenther@suse.de>
11082 PR tree-optimization/14287
11083 PR tree-optimization/14844
11084 PR tree-optimization/19792
11085 PR tree-optimization/21608
11086 PR tree-optimization/27090
11087 * tree-ssa-pre.c (try_combine_conversion): New function.
11088 (compute_avail): After constructing the value-handle
11089 expression, use try_combine_conversion to combine NOP_EXPRs
11090 with previous value-handle expressions and use the result if it
11093 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11095 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11097 2006-05-04 Jan Hubicka <jh@suse.cz>
11099 PR middle-end/25962
11100 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11102 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11104 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11105 that this only matches CONST_INTs. All users changed to VOIDmode
11108 * config/bfin/bfin.c: Include "optabs.h".
11109 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11111 (enum bfin_builtins): Add a number of fractional and vector builtins.
11112 (bfin_init_builtins): Likewise.
11113 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11114 (safe_vector_operand, bfin_expand_binop_builtin,
11115 bfin_expand_unop_builtin): New functions.
11116 (bfin_expand_builtin): Handle the new builtins.
11117 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11120 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11123 * Makefile.in (OBJS-common): Add see.o.
11124 (see.o): Add dependencies.
11125 * common.opt (fsee): New flag for the see optimization was added.
11126 * opts.c (flag_see): Initialized.
11127 * passes.c (init_optimization_passes, pass_see): New pass.
11128 * rtl.h (see_main): Declaration as extern.
11129 * timevar.def (TV_SEE): New.
11130 * tree-pass.h (pass_see): Declaration as extern.
11131 * invoke.texi (-fsee): Document.
11132 * recog.c (validate_simplify_insn): New function.
11133 * recog.h (validate_simplify_insn): Declaration as extern.
11134 * df-problems.c (df_chain_dump): Check for NULL.
11136 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11137 Daniel Berlin <dberlin@dberlin.org>
11139 * cfgrtl.c (insert_insn_bb_end_new): New function.
11140 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11142 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11144 * df.h (struct web_entry): Moved from web.c.
11145 (union_defs): Declaration as extern.
11146 (unionfind_root): Likewise.
11147 (unionfind_union): Likewise.
11148 * web.c (struct web_entry): Moved to df.h.
11149 (unionfind_root): Remove static declaration.
11150 (unionfind_union): Likewise.
11151 (union_defs): Likewise and generalize to use callback function.
11152 (web_main): Update arguments for union_defs function call.
11154 2006-05-04 Richard Guenther <rguenther@suse.de>
11156 PR tree-optimization/26447
11157 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11158 produce SSA_NAME copies before the store stmt to avoid
11159 breaking exception handling.
11161 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11163 PR middle-end/27388
11164 * gimplify.c (omp_is_private): If var is shared in some outer context,
11165 return false instead of true. Stop searching on parallel context
11168 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11171 * coverage.c: Use get_gcov_unsigned_t() instead of
11172 unsigned_type_node all over.
11174 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11176 PR tree-optimization/27381
11177 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11178 maintain the same immediate_use links.
11179 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11180 node rather than segfaulting.
11182 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11185 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11186 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11187 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11189 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11191 Fix PR tree-optimization/26626
11192 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11194 * tree-ssa-operands.c (access_can_touch_variable): Allow
11195 typecasting through union pointers.
11197 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11200 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11201 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11202 to find if var will be a global variable even in the nested context.
11203 (omp_copy_decl): Only check for global variable at the end, it might
11204 be overridden in outer contexts.
11205 (scan_sharing_clauses): For global variables don't create a field.
11206 (lower_rec_input_clauses): Do nothing for global shared variables.
11207 Emit a barrier at the end of ILIST if there were any decls in both
11208 firstprivate and lastprivate clauses.
11209 (lower_send_clauses): Do nothing for global variables except for
11212 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11214 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11215 of the correct signedness is returned.
11217 2006-05-02 Jeff Law <law@redhat.com>
11219 PR tree-optimization/27364
11220 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11221 multiply expressions.
11223 2006-05-02 Tom Tromey <tromey@redhat.com>
11225 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11227 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11230 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11231 -mthumb -fPIC are used.
11233 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11234 Joshua Kinard <kumba@gentoo.org>
11237 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11238 with 64-bit pointers.
11240 2006-05-02 Paul Brook <paul@codesourcery.com>
11242 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11244 (create_fix_barrier): Check that a suitable barrier location is
11246 (arm_reorg): Include ftmp->address in allowable range of addresses.
11248 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11251 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11254 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11256 PR middle-end/27337
11257 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11258 around RESULT_DECL for result passed by reference.
11259 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11260 * omp-low.c (use_pointer_for_field): Don't look at
11261 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11262 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11263 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11264 time or var for passing by reference for
11265 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11266 TREE_ADDRESSABLE variables when passing by reference.
11268 * omp-low.c (dump_omp_region): Fix output formatting.
11270 PR middle-end/27328
11271 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11272 (expand_omp_parallel): Likewise.
11273 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11275 PR middle-end/27325
11276 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11277 on statement list containing also constructors and destructors.
11278 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11280 PR middle-end/27310
11281 * except.c (duplicate_eh_regions): Fix clearing of
11282 cfun->eh->region_array entries.
11284 2006-05-01 DJ Delorie <dj@redhat.com>
11286 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11288 (gcc_cv_objdump): Likewise.
11289 * configure: Regenerated.
11291 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11294 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11295 templates for case 3 and 4.
11297 2006-05-01 DJ Delorie <dj@redhat.com>
11299 * vec.c: Include bconfig.h when appropriate.
11300 * Makefile.in (build/vec.o): Adjust dependencies.
11301 * mkconfig.sh: Make sure config.h isn't used for build machine
11304 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11306 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11308 (mark_phi_for_rewrite): New function.
11309 (insert_phi_nodes_for, mark_use_interesting): Call
11310 mark_phi_for_rewrite.
11311 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11312 (update_ssa): Initialize and free phis_to_rewrite.
11314 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11316 PR rtl-optimization/27291
11317 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11318 folded to a constant.
11320 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11322 PR tree-optimization/27283
11323 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11324 not whole # of iteration descriptions.
11325 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11326 uses abnormal ssa name.
11327 (niter_for_single_dom_exit): Ditto.
11328 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11329 return just the number of iterations.
11331 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11333 PR tree-optimization/27144
11334 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11335 (record_estimate): Only record constant upper bound.
11336 (infer_loop_bounds_from_undefined): Call
11337 compute_estimated_nb_iterations just once.
11338 (proved_non_wrapping_p): Renamed to ...
11339 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11340 (convert_step_widening, scev_probably_wraps_p): Call
11341 n_of_executions_at_most instead of proved_non_wrapping_p.
11342 (substitute_in_loop_info): Do not replace values in bounds.
11343 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11346 2006-05-01 Richard Henderson <rth@redhat.com>
11349 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11350 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11353 2006-05-01 Roger Sayle <roger@eyesopen.com>
11355 * c-typeck.c (parser_build_binary_op): Don't call the function
11356 unsigned_conversion_warning to spot operand/result type overflow.
11357 (build_binary_op): Instead, call convert_and_check instead of
11358 convert to report the problem when the operands are promoted.
11359 * c-common.c (unsigned_conversion_warning): Make static.
11360 * c-common.h (unsigned_conversion_warning): Delete prototype.
11362 2006-05-01 Richard Guenther <rguenther@suse.de>
11364 PR tree-optimization/26726
11365 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11367 (find_interesting_uses_address): ... we work around here
11368 by folding INDIRECT_REFs in the substituted base.
11370 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11372 * omp-low.c (dump_omp_region): Add newlines.
11374 2006-04-30 Roger Sayle <roger@eyesopen.com>
11376 * common.opt (Woverflow): New command line option.
11377 * c-common.c (constant_expression_warning): Check warn_overflow.
11378 (overflow_waring): Pass OPT_Woverflow to warning.
11379 (unsigned_conversion_warning): Likewise.
11380 (convert_and_check): Likewise.
11381 * doc/invoke.texi: Document new command line option.
11383 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11385 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11386 TARGET_NO_FP_IN_TOC for section anchors.
11387 (optimization_options): Enable section anchors for all
11388 non-"Objective" languages.
11390 2006-04-28 Eric Christopher <echristo@apple.com>
11392 * config/darwin-c.c (darwin_ms_struct): Move this
11393 (darwin_set_default_type_attributes): and this...
11394 * config/darwin.c: ... here.
11395 * config/darwin.h (darwin_ms_struct): Declare.
11397 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11399 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11401 2006-04-28 Roger Sayle <roger@eyesopen.com>
11404 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11405 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11406 an unsigned HOST_WIDE_INT.
11407 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11409 (really_start_incremental_init): No need to call convert because
11410 bitsize_zero_node is already of type bitsizetype.
11411 (push_init_level): Extract the value of constructor_index as an
11412 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11413 (process_init_element): Likewise.
11415 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11417 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11418 value before passing to make_relative_prefix.
11420 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11422 PR middle-end/27260
11423 * builtins.c (expand_builtin_memset): Expand val in original mode.
11425 2006-04-27 Eric Christopher <echristo@apple.com>
11427 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11428 with #ifndef/#endif.
11429 * config/darwin-c.c (darwin_ms_struct): New.
11430 (darwin_pragma_ms_struct): Ditto.
11431 (darwin_set_default_type_attributes): Ditto.
11432 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11433 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11434 Register ms_struct pragma.
11435 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11436 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11437 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11438 darwin_set_default_type_attributes if TARGET_MACHO.
11440 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11442 PR tree-optimization/26854
11443 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11444 * doc/tree-ssa.texi: Update immuse iterator documentation.
11445 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11447 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11448 first_safe_imm_use, next_safe_imm_use): Remove.
11449 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11450 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11451 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11452 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11453 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11454 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11455 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11456 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11457 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11458 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11459 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11460 (perfect_nestify): Use new iterator.
11461 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11463 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11464 (next_imm_name): New field in struct immediate_use_iterator_d.
11465 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11466 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11467 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11468 * tree-cfg.c (replace_uses_by): Use new iterator.
11469 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11470 * tree-ssa-operands.c (correct_use_link): Remove.
11471 (finalize_ssa_use_ops): No longer call correct_use_link.
11473 2006-04-27 Stuart Hastings <stuart@apple.com>
11475 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11476 * config/t-darwin (crt3.o): Use it.
11477 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11478 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11479 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11480 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11481 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11484 2006-04-27 Roger Sayle <roger@eyesopen.com>
11486 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11487 size, force the intermediate into a new pseudo rather instead of
11488 performing both a bitwise AND and a bitwise IOR in memory.
11490 2006-04-27 Richard Guenther <rguenther@suse.de>
11492 PR rtl-optimization/26685
11493 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11494 this one "max-flow-memory-locations".
11496 2006-04-27 Richard Guenther <rguenther@suse.de>
11498 PR tree-optimization/25148
11499 * tree-vrp.c (compare_values): Remove code dealing with
11500 comparisons against type min/max value. Honour overflow
11501 and negative constants in code dealing with comparisons
11502 of plus and minus expressions.
11503 (value_inside_range): Use fold_binary with LE_EXPR and
11504 GE_EXPR rather than compare_values.
11506 2006-04-27 Dirk Mueller <dmueller@suse.de>
11508 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11511 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11513 * basic-block.h (safe_insert_insn_on_edge): Removed.
11514 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11516 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11517 Paolo Bonzini <bonzini@gnu.org>
11519 PR middle-end/27282
11520 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11521 (simplify_and_const_int): Same.
11523 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11525 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11527 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11530 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11531 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11532 cgraph_global_info_ready.
11534 PR middle-end/26913
11535 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11538 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11539 either decl or init is error_mark_node.
11541 PR middle-end/25989
11542 * tree-flow.h (struct omp_region): Add sched_kind.
11543 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11544 instead of extracting omp for data.
11545 (expand_omp_for): Save extracted sched_kind.
11547 2006-04-25 Roger Sayle <roger@eyesopen.com>
11549 * expmed.c (store_bit_field): Also check whether the bitsize is
11550 valid for the machine's "insv" instruction before moving the
11551 target into a pseudo for use with the insv.
11552 * config/i386/predicates.md (const8_operand): New predicate.
11553 * config/i386/i386.md (extv, extzv, insv): Use the new
11554 const8_operand predicate where appropriate.
11556 2006-04-25 DJ Delorie <dj@redhat.com>
11558 * doc/install.texi (Specific): Clarify that this is not a list of
11559 supported hosts or targets.
11561 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11563 PR rtl-optimization/26725
11564 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11565 block's BB_DIRTY flag.
11567 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11569 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11572 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11573 to print an integer.
11575 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11577 * varasm.c (align_variable): New function.
11578 (get_block_for_decl): Apply align_variable to DECL before
11579 calculating section information.
11580 (assemble_variable): Split out alignment computation.
11582 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11584 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11587 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11589 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11590 MODE_PARTIAL_INT mode.
11591 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11592 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11594 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11595 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11597 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11599 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11601 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11602 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11603 MACFLAG_IH): Likewise.
11604 (movstricthi_1): Renamed from "*movstricthi".
11605 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11606 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11607 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11608 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11609 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11610 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11611 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11612 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11613 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11614 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11615 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11616 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11617 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11618 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11619 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11621 * doc/rtl.texi (ss_ashift): Improve wording.
11623 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11625 * dwarf2out.c (verify_marks_clear): New.
11626 (prune_unused_types): Call verify_marks_clear initially, not
11629 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11631 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11632 * doc/rtl.texi: Document them.
11633 * simplify-rtx.c (simplify_unary_operation,
11634 simplify_binary_operation_1): Don't abort when we see them.
11636 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11639 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11640 * configure.ac: Completely disregard languages that are not
11642 * configure: Regenerated.
11644 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11645 Richard Guenther <rguenther@suse.de>
11647 PR tree-optimization/27236
11648 * tree-inline.c (copy_body_r): Make sure to copy
11649 TREE_THIS_VOLATILE flag.
11651 2006-04-24 Richard Guenther <rguenther@suse.de>
11653 PR middle-end/26869
11654 * tree-complex.c (update_parameter_components): Don't handle
11655 unused parameters which have no default def.
11657 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11658 Richard Guenther <rguenther@suse.de>
11660 PR tree-optimization/27218
11661 * tree-inline.c (expand_call_inline): Strip useless type
11662 conversions for the return slot address.
11664 2006-04-24 Richard Guenther <rguenther@suse.de>
11666 * cfgloop.h (struct loops): Remove unused field array. Reorder
11668 (LOOP_PREFETCH): Remove.
11670 2006-04-24 Richard Guenther <rguenther@suse.de>
11672 PR tree-optimization/22525
11673 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11674 variable, adjust types of generated expressions.
11676 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11678 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11679 (tree-vect-patterns.o): Likewise.
11680 (jump.o): Likewise.
11681 (cselib.o): Likewise.
11682 (loop-doloop.o): Likewise.
11683 (regclass.o): Likewise.
11684 (reload1.o): Likewise.
11685 (explow.o): Replace target.h with $(TARGET_H).
11686 (ipa-prop.o): Likewise.
11687 (ipa-cp.o): Likewise.
11688 (ipa-inline.o): Likewise.
11689 (reorg.o): Likewise.
11690 (reg-stack.o): Likewise.
11692 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11694 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11696 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11698 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11700 * configure.ac: Completely disregard languages that are not
11702 * configure: Regenerated.
11705 * c-common.h (c_build_bitfield_integer_type): Declare.
11706 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11707 * c-common.c (c_build_bitfield_integer_type): ... here.
11709 2006-04-23 Roger Sayle <roger@eyesopen.com>
11712 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11713 a SImode SUBREG of a floating point register after no_new_pseudos.
11715 2006-04-23 Roger Sayle <roger@eyesopen.com>
11717 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11718 identify potentially eliminable registers to additionally catch
11719 VIRTUAL_INCOMING_ARGS_REGNUM.
11720 (addsi3): Update the conditions on when to use addsi_small_int.
11722 2006-04-23 Roger Sayle <roger@eyesopen.com>
11725 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11726 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11727 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11729 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11731 * fold-const.c (range_predecessor): Use operand_equal_p
11732 as the predicate for equality.
11733 (range_successor): Likewise.
11735 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11738 * config/soft-fp/op-common.h: Fix a typo.
11740 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11742 PR libmudflap/26864
11743 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11744 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11746 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11748 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11750 * doc/tm.texi: Fix a typo.
11752 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11754 * dwarf2out.c (struct die_struct): Document that die_sib makes
11755 a circular linked list.
11756 (FOR_EACH_CHILD): New.
11757 (reverse_die_lists): Delete.
11758 (reverse_all_dies): Delete.
11759 (add_dwarf_attr): Correct documentation.
11760 (remove_child_with_prev): New.
11761 (remove_child_TAG): Update for change to die_struct, use
11762 remove_child_with_prev.
11763 (add_child_die): Update for change to die_struct.
11764 (splice_child_die): Use remove_child_with_prev and add_child_die.
11765 (print_die): Use FOR_EACH_CHILD.
11766 (die_checksum): Likewise.
11767 (assign_symbol_names): Likewise.
11768 (output_location_lists): Likewise.
11769 (build_abbrev_table): Likewise.
11770 (calc_die_sizes): Likewise.
11771 (mark_dies): Likewise.
11772 (unmark_dies): Likewise.
11773 (unmark_all_dies): Likewise.
11774 (output_die): Likewise.
11775 (prune_unused_types_mark): Likewise.
11776 (prune_unused_types_walk): Likewise.
11777 (same_die_p): Update for change to die_struct.
11778 (break_out_includes): Likewise.
11779 (prune_unused_types_prune): Likewise.
11780 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11781 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11782 it's already clear.
11783 (dwarf2out_finish): Don't call reverse_all_dies.
11785 2006-04-21 Eric Christopher <echristo@apple.com>
11787 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11788 in comments and function names.
11790 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11793 * c-typeck.c (digest_init): Robustify.
11795 * c-typeck.c (pop_init_level): Simplify.
11797 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11799 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11801 2006-04-21 Paul Brook <paul@codesourcery.com>
11803 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11804 hardware floating point.
11806 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11808 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11811 2006-04-21 Nick Clifton <nickc@redhat.com>
11813 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11816 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11819 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11820 C++ lang type in traceback table for Objective-C++.
11822 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11824 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11826 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11828 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11831 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11832 were errors. Remove check for erroneous objects.
11834 2006-04-20 Jeff Law <law@redhat.com>
11836 PR tree-optimization/26854
11837 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11838 checking for zero or one use.
11839 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11840 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11841 * tree-ssa-reassoc.c (negate_value): Similarly.
11842 (reassociate_bb): Similarly.
11844 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11847 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11848 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11849 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11851 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11853 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11854 fp regs if the last fp arg doesn't fit in regs.
11856 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11859 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11860 that the last insn has the REG_INC note.
11862 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11863 Nathan Sidwell <nathan@codesourcery.com>
11866 * stor-layout.c (update_alignment_for_field): Do not align
11868 (place_union_field): Place union field at the start of the union.
11869 (place_field): Move ERROR_MARK check later, and use the current
11870 allocation position to maintain monotonicity.
11872 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11874 * dominance.c: Include timevar.h.
11875 (calculate_dominance_info): Use TV_DOMINANCE.
11876 * timevar.def (TV_DOMINANCE): New timevar.
11877 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11879 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11881 PR rtl-optimization/14261
11882 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11883 move would be an INSV insn.
11884 (noce_process_if_block): Don't optimize if the destination is a
11885 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11887 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11889 * config/s390/s390.md: Add comments with the instructions emitted
11890 by an insn pattern if macros are used.
11892 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11894 PR rtl-optimization/26026
11895 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11896 is a known power of two shifted left a variable amount.
11898 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11900 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11901 to hash table twice when the debug_str section has SECTION_MERGE.
11903 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11905 * config/soft-fp: New directory. From glibc.
11906 * config/soft-fp/t-softfp: New.
11907 * config/soft-fp/README: New.
11908 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11909 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11910 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11911 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11912 * config.gcc: Use rs6000/t-fprules-fpbit or
11913 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11915 * config/rs6000/sfp-machine.h: New. Based on glibc.
11916 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11918 * config/rs6000/t-fprules: Remove fp-bit rules.
11919 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11920 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11921 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11922 (softfp_wrap_start, softfp_wrap_end): New.
11924 2006-04-18 DJ Delorie <dj@redhat.com>
11926 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11928 2006-04-18 Devang Patel <dpatel@apple.com>
11930 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11932 2006-04-18 Nick Clifton <nickc@redhat.com>
11934 * config/sh/t-symbian: Add rule to build sh-c.o
11935 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11936 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11937 (sh_symbian_encode_section_info): Likewise.
11939 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11941 * builtins.c (expand_builtin_strcmp): Cover label definition of
11942 do_libcall with HAVE_cmpstrnsi.
11944 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11946 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11948 * function.h (temp_slot_p): New.
11949 (function): Change the type of x_used_temp_slots to
11950 VEC(temp_slot_p,gc) *.
11952 2006-04-18 Nick Clifton <nickc@redhat.com>
11954 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11955 flag_strength_reduce.
11957 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11959 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11963 Partial revert of revision 112637
11964 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11965 Dale Johannesen <dalej@apple.com>
11968 * regclass.c (struct reg_pref): Update documentation.
11969 (regclass): Set prefclass to NO_REGS if memory is the best option.
11970 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11972 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11974 PR tree-optimization/26821
11975 * tree-ssa-math-opts.c (get_constant_one): New.
11976 (insert_reciprocals): Use it.
11978 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11980 * dwarf2out.c (free_AT): Delete.
11981 (remove_AT): Update string ref counts.
11982 (remove_child_TAG): Don't call free_die.
11983 (free_die): Delete.
11984 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11985 or DW_TAG_GNU_EINCL.
11986 (prune_unused_types_walk_attribs): Reset string refcounts.
11987 (prune_unused_types_update_strings): New.
11988 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11989 call free_die. Do call prune_unused_types_update_strings.
11990 (prune_unused_types): Empty debug_str_hash.
11992 2006-04-17 Roger Sayle <roger@eyesopen.com>
11994 * expr.c (expand_assignment): Optimize away no-op moves where the
11995 source and destination are equal and have no side-effects.
11997 2006-04-17 Richard Guenther <rguenther@suse.de>
12000 * reload.c (push_reload): Guard calls to get_secondary_mem
12001 for memory subregs.
12003 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12005 * alias.c (reg_base_value, old_reg_base_value): Change the
12006 type to VEC(rtx,gc) *.
12007 (REG_BASE_VALUE, find_base_value, record_set,
12008 init_alias_analysis): Use VEC instead of VARRAY.
12010 * alias.c (alias_sets): Change the type to
12011 VEC(alias_set_entry,gc) *.
12012 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12013 VEC instead of VARRAY.
12014 (last_alias_set): Remove.
12016 * cgraph.h (cgraph_edge_p): New.
12017 Update the prototype of cgraph_function_versioning.
12018 * cgraphunit.c (cgraph_copy_node_for_versioning,
12019 cgraph_function_versioning): Use VEC instead of VARRAY.
12020 * ipa-cp.c (ipcp_insert_stage): Likewise.
12022 2006-04-16 Roger Sayle <roger@eyesopen.com>
12025 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12026 "A op B" or "A op C", we may need to convert A to the type of B and C.
12028 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12030 * target.h (struct gcc_target): Add mode_rep_extended.
12031 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12032 (init_num_sign_bit_copies_in_rep): Initialize it using
12034 (truncate_to_mode): Use it.
12035 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12036 * targhooks.h (default_mode_rep_extended): Declare it.
12037 * targhooks.c (default_mode_rep_extended): Define it.
12038 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12039 default_mode_rep_extended.
12040 (TARGET_INITIALIZER): Include it.
12041 * doc/tm.texi (Misc): Document it.
12042 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12043 (mips_truncated_to_mode): New function.
12045 2006-04-16 Roger Sayle <roger@eyesopen.com>
12047 PR middle-end/25474
12048 * expr.c (compress_float_constant): Copy the narrow constant into
12049 a new pseudo before extending it to its final width.
12051 2006-04-16 Roger Sayle <roger@eyesopen.com>
12052 Andrew Pinski <pinskia@gcc.gnu.org>
12053 Dale Johannesen <dalej@apple.com>
12056 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12057 special case code to implement V8HImode and V16QImode with SSE2.
12059 2006-04-15 Roger Sayle <roger@eyesopen.com>
12061 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12062 trees are constructed with a suitable tree type.
12064 2006-04-15 Roger Sayle <roger@eyesopen.com>
12066 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12067 (integer_onep): Likewise.
12068 (integer_all_onesp): Likewise.
12069 (integer_pow2p): Likewise.
12070 (integer_nonzerop): Likewise.
12071 (real_zerop): Likewise.
12072 (real_onep): Likewise.
12073 (real_twop): Likewise.
12074 (real_minus_onep): Likewise.
12075 (int_size_in_bytes): Likewise.
12076 (host_integerp): Likewise.
12078 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12080 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12081 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12082 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12084 * tree-ssa-structalias.h (alias_info): Remove num_references.
12086 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12088 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12089 (output_bvb patterns): Likewise.
12090 * pa.c (output_bb): Use 'bb' insn for long branch case.
12091 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12092 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12093 1. Correct length operand for alternatives 1 and 2.
12094 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12095 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12097 2006-04-14 Roger Sayle <roger@eyesopen.com>
12099 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12100 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12101 were accidentally reverted by r112959.
12103 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12105 PR middle-end/26823
12106 * except.h (eh_region_outermost): New prototype.
12107 * except.c (eh_region_outermost): New function.
12108 * tree-cfg.c (find_outermost_region_in_block): Use it.
12110 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12112 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12114 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12115 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12116 (init_reload, reload): Use VEC instead of VARRAY.
12117 * reload.h: Update the prototype for
12118 reg_equiv_memory_loc_varray.
12120 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12121 Eric Botcazou <ebotcazou@libertysurf.fr>
12123 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12124 register save area.
12126 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12128 PR middle-end/27134
12129 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12130 to expand fallback builtin function call.
12132 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12134 PR middle-end/27095
12135 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12136 and emit libcall here in case the builtin fails.
12137 (expand_builtin_strcmp): Always emit the libcall here on failure.
12139 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12141 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12142 * flow.c (reg_n_info): Change the type to
12143 VEC(reg_info_p,heap) *.
12144 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12146 * regs.h (reg_info_p): New.
12147 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12148 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12149 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12152 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12154 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12156 * params.h (MAX_SCHED_READY_INSNS): New macro.
12157 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12158 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12159 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12160 the ready list for 1 cycle during the first scheduling pass.
12161 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12163 2006-04-13 Richard Henderson <rth@redhat.com>
12166 * gimple-low.c (lower_omp_directive): Remove dead code.
12167 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12168 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12169 * omp-low.c (struct omp_region): Move to tree-flow.h.
12170 (root_omp_region): Export.
12171 (omp_regions, lookup_omp_region): Remove.
12172 (determine_parallel_type): Update for struct omp_region changes.
12173 (dump_omp_region): Dump regions with block numbers.
12174 (new_omp_region): Take type and block instead of stmt; malloc
12176 (free_omp_region_1, free_omp_regions): New.
12177 (expand_parallel_call): Take entry_stmt as argument; update for
12178 changes to omp_region.
12179 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12180 (remove_exit_barriers): New.
12181 (expand_omp_parallel): Update for struct omp_region changes.
12182 (expand_omp_synch): Likewise.
12183 (expand_omp): Likewise.
12184 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12185 (expand_omp_for_static_chunk): Likewise.
12186 (expand_omp_for): Likewise.
12187 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12188 (expand_omp_sections): Similarly, with GOMP_sections_end.
12189 (expand_omp_single): New.
12190 (build_omp_regions_1): Update for OMP_CONTINUE.
12191 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12192 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12193 OMP_SECTIONS_SECTIONS.
12194 (lower_omp_single_simple): Don't emit barrier here.
12195 (lower_omp_single_copy): Likewise.
12196 (lower_omp_single): Fix bindings, and lower to straightline now.
12197 (lower_omp_master, lower_omp_ordered): Likewise.
12198 (lower_omp_critical): Likewise.
12199 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12200 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12201 omp edges, free it afterward.
12202 (make_omp_sections_edges): Remove.
12203 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12204 (move_stmt_r): Handle OMP_CONTINUE.
12205 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12206 statement pointers to basic blocks. Add type member.
12207 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12208 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12209 * tree-inline.c (estimate_num_insns_1): Likewise.
12210 * tree-pretty-print.c (dump_generic_node): Likewise.
12211 * tree-ssa-operands.c (get_expr_operands): Likewise.
12212 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12213 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12214 (OMP_CONTINUE): New.
12215 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12216 (OMP_SECTIONS_SECTIONS): Remove.
12217 (OMP_SECTION_LAST): New.
12218 (OMP_RETURN_NOWAIT): New.
12220 2006-04-13 Roger Sayle <roger@eyesopen.com>
12222 * fold-const.c (native_encode_vector, native_interpret_real):
12223 Correct obvious mistakes in the previous check-in.
12225 2006-04-13 Roger Sayle <roger@eyesopen.com>
12227 * fold-const.c (native_encode_expr): New function to encode
12228 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12229 or VECTOR_CST into a specified buffer.
12230 (native_encode_int): New function.
12231 (native_encode_real): New function.
12232 (native_encode_complex): New function.
12233 (native_encode_vector): New function.
12234 (native_interpret_expr): Inverse of native_encode_expr to convert
12235 a target representation into an INTEGER_CST, REAL_CST etc...
12236 (native_interpret_int): New function.
12237 (native_interpret_real): New function.
12238 (native_interpret_complex): New function.
12239 (native_interpret_vector): New function.
12240 (fold_view_convert_expr): New function to constant fold/evaluate
12241 a VIEW_CONVERT_EXPR of a suitable constant expression.
12242 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12243 Change call of build1 to fold_build1 when constructing a
12246 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12247 Ulrich Weigand <uweigand@de.ibm.com>
12250 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12253 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12256 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12257 optimize to lo_sum for DFmode if !TARGET_FPRS.
12259 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12261 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12262 delete_alias_info, compute_flow_sensitive_aliasing,
12263 group_aliases): Use VEC instead of VARRAY.
12264 * tree-ssa-structalias.c (update_alias_info): Likewise.
12265 * tree-ssa-structalias.h (alias_info): Change the type of
12266 processed_ptrs to VEC(tree,heap) *.
12268 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12271 * config/sh/lib1funcs.h: New file, broken out of:
12272 * config/sh/lib1funcs.asm.
12273 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12275 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12276 * config/sh/lib1funcs-Os-4-200.asm: New file.
12277 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12278 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12279 (EXTRA_MULTILIB_PARTS): Include it.
12280 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12281 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12282 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12283 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12286 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12288 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12289 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12290 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12292 * tree-ssa-live.h: Include vecprim.h.
12293 (tree_partition_associator_d): Change the type of
12294 first_partition to VEC(int,heap) *.
12295 (tpa_first_partition): Use VEC instead of VARRAY.
12297 * Makefile.in (GTFILES): Move functions.h after tree.h.
12298 * function.c (reset_block_changes, record_block_change,
12299 check_block_change, free_block_changes): Use VEC instead of
12301 * function.h (function): Change the type of
12302 ib_boundaries_block to VEC(tree,gc) *.
12303 * tree-inline.c (copy_cfg_body): Initialize
12304 ib_boundaries_block to NULL instead of (varray_type) 0.
12306 2006-04-12 Roger Sayle <roger@eyesopen.com>
12308 * expr.c (emit_group_store): Correct operand order in call to
12309 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12310 a SUBREG_BYTE of zero.
12312 2006-04-12 Richard Guenther <rguenther@suse.de>
12314 * profile.c (compute_branch_probabilities): Remove code
12315 encapsulated in !ir_type (), which are remanents of the
12316 removed RTL profiling code.
12317 * rtl-profile.c: Remove.
12319 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12321 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12322 magic NULL_RTX comment.
12323 (function_arg): Store entire fp arg to mem if any part should go
12325 (rs6000_arg_partial_bytes): Adjust for above change.
12327 2006-04-11 Roger Sayle <roger@eyesopen.com>
12329 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12330 if it hasn't been initialized by dwarf2out_init.
12332 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12334 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12335 symbolic constants in branch patterns.
12337 2006-04-11 Roger Sayle <roger@eyesopen.com>
12339 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12341 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12343 PR rtl-optimization/27073
12344 * gcse.c (try_replace_reg): Revert last change. Continue to search
12345 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12348 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12350 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12351 aggregate types other than record and union types.
12352 (function_arg): Likewise.
12353 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12355 (function_value): In 64-bit mode, return objects that require it
12358 2006-04-11 Roger Sayle <roger@eyesopen.com>
12360 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12362 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12364 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12366 2006-04-03 Jeff Law <law@redhat.com>
12369 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12370 alias information too.
12372 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12374 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12376 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12379 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12380 (premark_used_types_helper): New.
12381 (premark_used_types): New.
12382 (gen_subprogram_die): Call premark_used_types.
12383 (prune_unused_types_walk): Do not prune perennial dies.
12384 * function.c (used_types_insert): New.
12385 * function.h (struct function): Add used_types_hash field.
12386 (used_types_insert): Add prototype.
12387 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12388 * c-parser.c (c_parser_cast_expression): Save casted types in used
12391 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12394 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12395 rs6000_explicit_options.float_gprs.
12397 2006-04-10 Roger Sayle <roger@eyesopen.com>
12399 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12400 from ix86_expand_vector_init_low_nonzero. Take an additional
12401 one_var argument indicating which element is non-zero. Support
12402 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12403 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12404 with one_var instead of ix86_expand_vector_init_low_nonzero.
12406 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12408 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12409 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12410 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12411 build/genextract.o): Depend on vecprim.h.
12412 * cfglayout.c, df-problems.c, function.c, genextract.c,
12413 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12414 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12418 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12420 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12421 Declare VECs of this type.
12422 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12423 (remove_children): Delete.
12424 (add_dwarf_attr): Use VEC routines.
12425 (add_AT_flag): Update for changes to add_dwarf_attr.
12426 (add_AT_int): Likewise.
12427 (add_AT_unsigned): Likewise.
12428 (add_AT_long_long): Likewise.
12429 (add_AT_vec): Likewise.
12430 (add_AT_string): Likewise.
12431 (add_AT_die_ref): Likewise.
12432 (add_AT_fde_ref): Likewise.
12433 (add_AT_loc): Likewise.
12434 (add_AT_loc_list): Likewise.
12435 (add_AT_addr): Likewise.
12436 (add_AT_lbl_id): Likewise.
12437 (add_AT_lineptr): Likewise.
12438 (add_AT_macptr): Likewise.
12439 (add_AT_offset): Likewise.
12440 (add_AT_range_list): Likewise.
12441 (get_AT): Use VEC_iterate.
12442 (remove_AT): Use VEC_ordered_remove.
12443 (free_die): Fold remove_children into here; have it use VEC_iterate.
12444 (print_die): Use VEC_iterate on attrs.
12445 (reverse_die_lists): Don't reverse attr lists.
12446 (die_checksum): Use VEC_iterate on attrs.
12447 (same_die_p): Likewise.
12448 (output_location_lists): Likewise.
12449 (build_abbrev_table): Likewise.
12450 (size_of_die): Likewise.
12451 (unmark_all_dies): Likewise.
12452 (output_abbrev_section): Likewise.
12453 (output_die): Likewise.
12454 (prune_unused_types_walk_attribs): Likewise.
12456 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12458 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12460 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12463 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12465 2006-04-09 Roger Sayle <roger@eyesopen.com>
12467 * expr.c (store_constructor): Don't bother clearing target if
12468 we're about to assign a vector to it using vec_init_optab.
12470 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12472 * tree-ssa-alias.c (lhs_may_store_to): New function.
12473 (recalculate_used_alone): Handle LHS of calls.
12475 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12479 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12480 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12481 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12482 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12483 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12484 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12485 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12486 stubs. Add ".align 8" directives before all ".dword" directives.
12487 (GTHREAD_USE_WEAK): Revise comment.
12488 (TARGET_ATTRIBUTE_WEAK): Define.
12489 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12490 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12491 * stublib.c: New file.
12496 * pa.md (cbranch patterns): Revise arguments used in calls to
12497 output_cbranch, output_bb and output_bvd. Add long branch length
12499 (fbranch patterns): Handle long branches.
12500 (jump): Revise length check. Revise arguments for output_lbranch call.
12501 Add long branch length attributes.
12502 (decrement_and_branch_until_zero): Add long branch length attributes.
12503 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12504 Likewise. Revise arguments for output_parallel_addb and
12505 output_parallel_movb calls.
12506 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12507 output_parallel_movb and output_parallel_addb): Update prototypes.
12508 * pa.c (output_cbranch): Revise arguments. Correct handling of
12509 nullification in long branches.
12510 (output_lbranch): Add new argument to control extraction of delay
12512 (output_bb): Handle long branches.
12513 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12514 output_parallel_addb): Likewise.
12516 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12518 PR rtl-optimization/27073
12519 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12522 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12524 * tree.h (tree_memory_tag): Add old_used_alone.
12525 (SMT_OLD_USED_ALONE): New macro.
12526 * tree-ssa-alias.c (recalculate_used_alone): Stop
12527 marking things for renaming unnecessarily.
12529 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12531 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12532 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12533 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12534 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12535 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12536 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12537 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12538 spelling convensions.
12539 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12540 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12541 typos. Follow spelling conventions.
12543 2006-04-07 DJ Delorie <dj@redhat.com>
12545 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12546 passed on the stack.
12547 (m32c_init_cumulative_args): When a function returns a structure,
12548 always pass the pointer to that return area on the stack.
12549 (m32c_function_arg_advance): Don't increment the parameter number
12550 if we're processing the returned structure pointer.
12551 (pushm_info): Reverse order of registers.
12553 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12555 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12556 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12557 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12558 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12559 build_int_cst_type.
12560 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12561 chrec_fold_multiply): Same.
12562 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12563 force_expr_to_var_cost): Same.
12564 * tree-mudflap.c (mf_xform_derefs_1): Same.
12565 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12567 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12569 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12570 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12573 2006-04-07 Jan Hubicka <jh@suse.cz>
12575 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12577 2006-04-07 Richard Guenther <rguenther@suse.de>
12579 PR tree-optimization/26135
12580 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12581 loads for store copy-prop.
12582 (copy_prop_visit_stmt): Likewise.
12584 2006-04-05 Robert Millan <robertmh@gnu.org>
12586 * config/i386/linux.h: Add a comment to mark macros that are
12587 being overriden in config/k*bsd-gnu.h.
12588 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12590 * config/knetbsd-gnu.h: Ditto.
12592 2006-04-06 Jan Hubicka <jh@suse.cz>
12596 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12599 2006-04-06 Mike Stump <mrs@apple.com>
12601 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12602 for HAVE_nonlocal_goto to be consistent.
12603 (expand_builtin_nonlocal_goto): Likewise.
12604 (expand_builtin_strcmp): Use #ifdef instead of #if
12605 for HAVE_cmpstrnsi to be consistent.
12607 2006-04-05 DJ Delorie <dj@redhat.com>
12609 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12612 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12614 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12615 got-relative addressing for anything but SImode.
12617 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12618 even if the calling function doesn't modify them.
12620 2006-04-05 Richard Guenther <rguenther@suse.de>
12622 PR tree-optimization/26919
12623 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12624 to cgraph_estimate_size_after_inlining.
12626 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12628 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12630 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12632 PR tree-optimization/26996
12633 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12634 VECTOR_TYPE variables.
12636 2006-04-05 Richard Guenther <rguenther@suse.de>
12638 PR tree-optimization/26763
12639 * fold-const.c (fold_comparison): Move folding of
12640 PTR + CST CMP PTR + CST ...
12641 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12643 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12645 * doc/install.texi (Prerequisites): Refine some wording on
12646 bootstrapping and ksh.
12647 Move the version numbers of DejaGnu here from the testing section
12648 and fix casing of names.
12649 Fix markup and clarify wording for autogen requirements.
12650 Refer to GCJ instead of just java.
12651 Refer to SVN instead of CVS.
12652 Describe diffutils as useful instead of necessary.
12653 (Downloading the source): Refer to SVN instead of CVS.
12654 Adjust a link to our web site accordingly.
12655 (Configuration): Fix casing of Bison.
12656 (Building): Refer to SVN instead of CVS.
12657 Fix a sentence on the use of Bison and remove duplicate (and
12658 incorrect) version number of Bison requirement.
12659 Remove one redundant list of packages needed for building.
12660 (Specific): Avoid reference to CVS.
12662 2006-04-04 Eric Christopher <echristo@apple.com>
12664 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12665 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12666 (rs6000_handle_struct_attribute): New.
12667 (rs6000_ms_bitfield_layout_p): Ditto.
12669 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12671 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12672 NULL for dso parameter to atexit_common.
12674 2006-04-04 Eric Christopher <echristo@apple.com>
12676 * config/i386/i386.c (machopic_output_stub): Output \t
12677 between instructions and operands.
12679 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12681 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12682 satisfies_constraint_[IL] to explicit tests on value.
12684 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12686 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12687 set_nb_iterations_in_loop): Use build_int_cst instead of
12688 build_int_cst_type.
12689 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12690 build_int_cst instead of convert.
12692 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12694 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12695 new value 2 for incoming.
12696 * function.c (expand_function_start): Call struct_value_rtx
12697 with incoming as 2.
12698 * config/sparc/sparc.md: Comment updated_return.
12699 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12700 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12701 struct return if sparc_std_struct_return and incoming is 2.
12702 (print_operand): Do not adjust return if
12703 sparc_std_struct_return.
12705 2006-04-04 Roger Sayle <roger@eyesopen.com>
12707 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12708 convert in the middle-end.
12709 * expr.c (store_expr, store_constructor, get_inner_reference,
12710 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12712 * tree.c (build_range_type): Likewise.
12714 2006-04-04 Tom Tromey <tromey@redhat.com>
12716 * doc/install.texi (Prerequisites): Mention jar.
12718 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12720 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12723 2006-04-04 Matthias Klose <doko@debian.org>
12725 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12729 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12732 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12734 * doc/extend.texi (Function Attributes): Rewrite visibility
12735 attribute documentation.
12736 * doc/invoke.texi (C++ Dialect Options): Rewrite
12737 -fvisibility-inlines-hidden documentation to describe something
12738 entirely different, although in practise compatible.
12739 (Code Gen Options): Warn about system headers in -fvisibility=
12742 * doc/extend.texi (Other Builtins): Document that
12743 __builtin_nan is a compile-time constant only when its argument
12746 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12748 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12749 trying to remove TRUNCATE check if all bits outside the new mode
12750 are identical to the sign bit.
12752 2006-04-03 Jeff Law <law@redhat.com>
12754 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12755 and operand scanning in some common cases.
12757 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12758 Dale Johannesen <dalej@apple.com>
12761 * regclass.c (struct reg_pref): Update documentation.
12762 (regclass): Set prefclass to NO_REGS if memory is the best option.
12763 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12764 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12765 into account. For non-registers, equate an empty preferred
12766 reload class to a `!' in the constraint; move the if clause to
12767 do so after those that reject the insn.
12768 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12770 (find_dummy_reload): Likewise.
12771 * doc/tm.texi (Register Classes): Document what it means
12772 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12773 * config/i386/i386.c (ix86_preferred_reload_class): Force
12774 using SSE registers (and return NO_REGS for floating-point
12775 constants) if math is done with SSE.
12776 (ix86_preferred_output_reload_class): New.
12777 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12778 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12779 * config/i386/i386.md: Remove # register preferences.
12781 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12784 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12785 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12786 the type of nb_iter.
12787 (instantiate_parameters_1): Convert the operands before calling
12788 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12789 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12791 2006-04-02 Roger Sayle <roger@eyesopen.com>
12793 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12794 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12795 instead of convert.
12796 * dojump.c (do_jump): Likewise.
12797 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12798 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12799 gimplify_boolean_expr): Likewise.
12800 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12801 * varasm.c (array_size_for_constructor): Likewise.
12802 * tree-object-size.c (compute_object_offset): Likewise.
12804 2006-04-02 Roger Sayle <roger@eyesopen.com>
12806 PR middle-end/26977
12807 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12808 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12810 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12812 PR tree-optimization/26939
12813 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12815 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12817 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12818 at_stmt. Convert the type of operands before calling
12819 build_polynomial_chrec.
12820 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12821 add_to_evolution_1.
12822 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12823 (instantiate_parameters_1): Convert the type of operands before calling
12824 build_polynomial_chrec.
12825 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12826 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12827 reset_evolution_in_loop): Insert asserts to check the types of the
12829 (chrec_type): Moved...
12830 (eq_evolutions_p): Use operand_equal_p.
12831 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12832 the types of the operands.
12833 (chrec_type): ...here.
12834 * tree-data-ref.c (create_data_ref): Convert the operands before
12835 calling chrec_replace_initial_condition.
12836 (same_access_functions, analyze_subscript_affine_affine,
12837 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12838 (compute_subscript_distance, analyze_ziv_subscript,
12839 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12840 analyze_miv_subscript): Convert the operands before calling
12841 chrec_fold_minus or chrec_fold_plus.
12843 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12845 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12846 the dependence_relations vector.
12847 (compute_data_dependences_for_loop): Adjust call to
12848 compute_all_dependences.
12850 2006-04-01 Roger Sayle <roger@eyesopen.com>
12851 Richard Henderson <rth@redhat.com>
12853 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12854 gimple_boolify on the condition before calling gimplify_expr.
12856 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12858 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12859 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12860 the frame size. Update to use the new macros.
12861 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12862 * config/xtensa/ieee754-df.S: Likewise.
12864 2006-03-31 Richard Henderson <rth@redhat.com>
12866 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12867 (make_edges): ... here. Control fallthru creation with a local
12868 variable. Do not play with fake edges.
12869 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12870 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12873 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12875 * dwarf2.h (DW64_CIE_ID): Define.
12876 * dwarf2out.c (DWARF_CIE_ID): Define.
12877 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12878 length header. Use DWARF_CIE_ID.
12879 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12880 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12882 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12884 * config/sh/linux-atomic.asm: New file.
12885 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12887 2006-03-31 DJ Delorie <dj@redhat.com>
12889 * config/m32c/cond.md: Set condition flags properly throughout.
12890 * config/m32c/minmax.md: Likewise.
12891 * config/m32c/prologue.md: Likewise.
12892 * config/m32c/bitops.md: Likewise.
12893 * config/m32c/muldiv.md: Likewise.
12894 * config/m32c/mov.md: Likewise.
12895 * config/m32c/addsub.md: Likewise.
12896 * config/m32c/m32c.md: Likewise.
12897 * config/m32c/jump.md: Likewise.
12898 * config/m32c/shift.md: Likewise.
12900 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12901 conditionally output the pattern for this.
12902 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12903 (m32c_compare_redundant): New.
12904 (m32c_output_compare): New.
12905 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12907 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12908 dest, not src. Allow other 4-byte modes.
12910 2006-03-30 Denis Chertykov <denisc@overta.ru>
12912 * doc/md.texi: Refer to avr/constraints.md instead of
12915 2006-03-30 Roger Sayle <roger@eyesopen.com>
12917 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12918 signed vs. unsigned comparison failures on some hosts.
12920 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12923 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12924 change to FLOAT_REGS.
12926 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12927 (rs6000_override_options): Use it.
12928 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12929 only for -mabi=spe/no-spe and -mabi=altivec.
12931 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12933 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12936 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12938 * Makefile.in: Rename docdir to gcc_docdir.
12940 2006-03-30 Roger Sayle <roger@eyesopen.com>
12943 * expr.c (emit_group_store): Optimize group stores into a pseudo
12944 register by using a paradoxical subreg to initialize the destination
12945 if the first or last member of the group specifies a "low part".
12947 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12950 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12951 * target.h (struct gcc_target.speculate_insn): Change type of the
12952 second parameter to 'int'.
12953 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12954 the second operand of the DEPS_LIST.
12955 (copy_DEPS_LIST_list): Update reference to the second operand of the
12957 * rtl.h (alloc_DEPS_LIST): Update signature.
12958 * sched-int.h (ds_t): Change typedef to 'int'.
12959 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12961 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12963 * haifa-sched.c (try_ready): Change condition to restore
12964 non-speculative pattern of the instruction.
12965 (process_insn_depend_be_in_spec): Code to keep probability of the
12966 speculative dependence non-decreasing.
12968 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12970 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12971 (single_move_for_movmem): ... this. Also change all uses.
12972 (bfin_expand_strmov): Renamed to...
12973 (bfin_expand_movmem): ... this. Also change all uses.
12974 * config/bfin/bfin.md (movstrsi): Renamed to...
12975 (movstrsi): ...this.
12977 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12979 PR tree-optimization/26830
12981 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12982 (copy_prop_visit_stmt): Remove write-only variable ann.
12983 (init_copy_prop): Check variable loop depth here. Do not simulate
12984 memory-tag and virtual operand PHIs except for store copy prop.
12986 2006-03-30 Richard Guenther <rguenther@suse.de>
12988 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12989 variants with double arguments.
12991 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12993 * genpreds.c (write_tm_constrs_h): Delete variable p.
12994 * genconditions.c (write_header): Add tm-constrs.h to included
12996 * genpeep.c (main): Add toplev.h to included headers.
12997 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12998 (build/genpeep.o): Add toplev.h dependency.
12999 * config/rs6000/constraints.md: Add "W" constraint.
13001 2006-03-29 Roger Sayle <roger@eyesopen.com>
13003 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13004 sizes by correctly testing whether the size fits a host integer.
13005 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13006 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13007 SImode range for the default sizetype and bitsizetype.
13009 2006-03-29 Roger Sayle <roger@eyesopen.com>
13011 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13012 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13013 quickly if the argument is already of the correct type.
13014 Call fold_build1 instead of build1. Tidy up blank lines.
13016 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13018 * genemit.c (main): Add tm-constrs.h to included headers.
13019 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13020 * genpeep.c (main): Add tm-constrs.h to included headers.
13021 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13022 (write_tm_constrs_h): this and write complete file.
13023 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13024 (write_insn_preds_c): Add tm-constrs.h to included headers.
13025 (gen_constrs): New variable.
13026 (parse_option): Parse "-c".
13027 (main): Invoke write_tm_constrs_h.
13028 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13029 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13030 (object_out_file): Add tm-constrs.h dependency.
13031 (insn-emit.o): Same.
13032 (insn-output.o): Same.
13033 (insn-peep.o): Same.
13034 (insn-preds.o): Same.
13035 (insn-recog.o): Same.
13036 (tm-constsr.h): New target.
13037 (s-constrs-h): New target.
13039 * config/rs6000/constraints.md: New file.
13040 * config/rs6000/rs6000.c: Include tm-constrs.h.
13041 (num_insn_constant_wide): Convert to satisfies_constraint.
13042 (rs6000_rtx_costs): Convert to satisfies_constraint.
13043 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13044 (CONST_OK_FOR_LETTER_P): Delete.
13045 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13046 (EXTRA_CONSTRAINT): Delete.
13047 (EXTRA_MEMORY_CONSTRAINT): Delete.
13048 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13049 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13050 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13051 satisfies_constraint.
13053 * config/i386/i386.c: Include tm-constrs.h.
13055 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13057 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13058 * tree-data-ref.c (find_data_references_in_loop,
13059 compute_data_dependences_for_loop): Use pointers to VEC.
13060 (analyze_all_data_dependences): Adjust calls.
13061 * tree-data-ref.h (find_data_references_in_loop,
13062 compute_data_dependences_for_loop): Adjust declarations.
13063 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13064 compute_data_dependences_for_loop.
13066 2006-03-29 Paul Brook <paul@codesourcery.com>
13068 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13069 (movdf_vfp): Ditto.
13071 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13073 PR tree-optimization/26859
13074 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13076 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13077 for the step after fold_convert.
13079 2006-03-29 Paul Brook <paul@codesourcery.com>
13081 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13082 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13084 2006-03-29 Paul Brook <paul@codesourcery.com>
13086 PR middle-end/23623
13087 * targhooks.c (default_narrow_bitfield): New fuction.
13088 * targhooks.h (default_narrow_bitfield): add prototype.
13089 * target.h (gcc_target): Add narrow_volatile_bitfield.
13090 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13091 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13092 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13093 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13095 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13097 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13099 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13100 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13101 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13102 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13103 (s390_function_arg_float): Allow SDmode and DDmode values to be
13104 passed in floating point registers.
13105 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13106 check with SCALAR_FLOAT_MODE_P.
13107 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13109 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13111 PR tree-optimization/25985
13112 * tree-ssa-loop-niter.c (number_of_iterations_le,
13113 number_of_iterations_ne): Make comments more precise.
13114 (number_of_iterations_cond): Add only_exit argument. Use the
13115 fact that signed variables do not overflow only when only_exit
13117 (loop_only_exit_p): New.
13118 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13119 number_of_iterations_cond.
13121 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13123 PR tree-optimization/26643
13124 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13127 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13129 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13130 (divsi3_i4_int): Likewise.
13132 2006-03-28 Roger Sayle <roger@eyesopen.com>
13134 * expr.c (emit_group_store): Only create a new pseudo reg if the
13135 quantity it needs to hold isn't already a suitable pseudo.
13137 2006-03-28 Jeff Law <law@redhat.com>
13139 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13140 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13142 2006-03-28 Roger Sayle <roger@eyesopen.com>
13144 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13145 the equivalent ~X & Y, and the symmetry related transformations.
13146 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13147 ~X & Y, and symmetry related transforms.
13149 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13151 Revert my 2006-03-27 patches.
13153 2006-03-28 Roger Sayle <roger@eyesopen.com>
13155 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13156 ~(T1)X, when T1 and T2 are integer types of the same precision
13157 and (T2)X isn't an extension.
13159 2006-03-28 Jeff Law <law@redhat.com>
13161 PR tree-optimization/26796
13162 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13163 need EH edge cleanups rather than purging them immediately.
13164 (eliminate_degenerate_phis): Handle queued EH cleanups.
13166 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13168 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13171 2006-03-27 Roger Sayle <roger@eyesopen.com>
13173 PR middle-end/22524
13174 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13175 cast BIT_NOT_EXPR operand to the correct type.
13177 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13179 * tree-loop-linear.c: Don't include varray.h.
13180 (gather_interchange_stats, try_interchange_loops,
13181 linear_transform_loops): Use VEC instead of VARRAY.
13182 * lambda-mat.c: Don't include varray.h.
13183 * tree-chrec.c: Same.
13184 * lambda-trans.c: Same.
13185 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13186 VEC instead of VARRAY.
13187 * tree-vectorizer.h: Idem.
13188 * tree-data-ref.c (dump_data_references,
13189 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13190 initialize_data_dependence_relation, finalize_ddr_dependent,
13191 compute_all_dependences, find_data_references_in_loop,
13192 compute_data_dependences_for_loop, analyze_all_data_dependences,
13193 free_dependence_relation, free_dependence_relations,
13194 free_data_refs): Idem.
13195 * tree-data-ref.h (data_reference_p, subscript_p): New.
13196 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13197 VEC instead of VARRAY.
13198 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13199 (find_data_references_in_loop, compute_data_dependences_for_loop,
13200 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13201 dump_data_dependence_relations, free_dependence_relations,
13202 free_data_refs): Adjust declaration.
13203 (lambda_transform_legal_p): Move declaration here...
13204 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13205 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13206 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13207 vect_analyze_data_refs): Use VEC instead of VARRAY.
13208 * lambda.h (lambda_transform_legal_p): ...from here.
13209 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13210 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13211 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13212 tree-chrec.o): Don't depend on VARRAY_H.
13214 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13216 * rtl.def (Copyright): Update date.
13217 (DEPS_LIST): Change type of the second operand to 'int'.
13218 * target.h (Copyright): Update date.
13219 (struct gcc_target.speculate_insn): Change type of the second parameter
13221 * lists.c (Copyright): Update date.
13222 (alloc_DEPS_LIST): Change signature. Update reference to the second
13223 operand of the DEPS_LIST.
13224 (copy_DEPS_LIST_list): Update reference to the second operand of the
13226 * rtl.h (Copyright): Update date.
13227 (alloc_DEPS_LIST): Update signature.
13228 * sched-int.h (Copyright): Update date.
13229 (ds_t): Change typedef to 'int'.
13230 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13232 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13234 * haifa-sched.c (Copyright): Update date.
13235 (try_ready): Change condition to restore non-speculative pattern
13236 of the instruction.
13237 (process_insn_depend_be_in_spec): Code to keep probability of the
13238 speculative dependence non-decreasing.
13240 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13242 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13243 shut up the compiler.
13245 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13247 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13248 to use lib prefix for target.
13249 ($(T)libic_invalidate_array_4-200.a): Likewise.
13250 ($(T)libic_invalidate_array_4a.a): Likewise.
13252 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13253 J"orn Rennecke <joern.rennecke@st.com>
13255 * superh.opt: New file.
13256 * sh.c (boardtype, osruntime): Remove.
13257 * superh.h (SUBTARGET_OPTIONS): Remove.
13258 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13260 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13261 arguments with ^ and/or [].
13263 * config.gcc (sh-*-*): Add quoting to account for quirk of
13265 Replace == with = in enable_incomplete_targets test.
13267 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13268 with MASK_LITTLE_ENDIAN.
13270 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13271 * config/sh/sh.opt: Added to some comments.
13272 * config/sh/superh.h: Removed some chaff.
13274 * config/sh/sh.opt: Add m4-[1234]00* options.
13275 * config/sh/sh.c (sh_handle_option): Likewise.
13276 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13277 (ic_invalidate_array_4-100.o): New rule.
13278 ($(T)libic_invalidate_array_4-100.a): Likewise.
13279 (ic_invalidate_array_4-200.o): Likewise.
13280 ($(T)libic_invalidate_array_4-200.a): Likewise.
13281 (ic_invalidate_array_4a.o): Likewise.
13282 ($(T)libic_invalidate_array_4a.a): Likewise.
13283 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13284 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13286 * config/sh/crt1.asm: Merged in profiling code.
13287 * config/sh/superh.h (STARTFILE_SPEC): Override.
13288 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13289 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13290 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13292 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13293 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13294 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13296 * sh.opt (mpretend-cmove): New option.
13297 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13298 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13299 (movsicc): Add TARGET_PRETEND_CMOVE code.
13301 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13303 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13304 s390_class_max_nregs): New function prototypes.
13305 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13306 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13307 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13308 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13310 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13312 * dwarf2out.c (add_location_or_const_value_attribute): Call
13313 tree_add_const_value_attribute if nothing else works.
13314 (reference_to_unused): New.
13315 (rtl_for_decl_init): Use reference_to_unused to decide whether
13316 to output an initializer.
13318 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13321 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13322 peephole removing spe frob_di_df_2.
13324 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13326 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13327 (subscript_dependence_tester_1): Declared.
13328 (print_dir_vectors, print_dist_vectors): New.
13329 (debug_data_dependence_relation): New.
13330 (dump_data_dependence_relation): Print more details.
13331 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13332 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13333 (save_dist_v, save_dir_v, add_outer_distances,
13334 build_classic_dist_vector_1): New.
13335 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13336 Don't test for lambda_vector_lexico_pos.
13337 (same_access_functions, add_multivariate_self_dist,
13338 add_other_self_distances, dir_from_dist): New.
13339 (build_classic_dir_vector): Replace implementation almost identical to
13340 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13342 (subscript_dependence_tester_1): New.
13343 (subscript_dependence_tester): Handle the lexicographically negative
13344 distance vectors by recomputing the dependence relation.
13345 (compute_affine_dependence): Remove parameter loop_nest_depth.
13346 (compute_self_dependence): Don't call compute_subscript_distance.
13347 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13348 Add a parameter for the loop_nest.
13349 (find_loop_nest_1, find_loop_nest): New.
13350 (compute_data_dependences_for_loop): Compute the loop nest, and give
13351 up if the nest is not well formed.
13352 * tree-data-ref.h (loop_p): New.
13353 (struct data_dependence_relation): Replace size_vect field with
13354 loop_nest, a vec of loops.
13355 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13356 (DDR_LOOP_NEST): New.
13357 (print_dir_vectors, print_dist_vectors,
13358 debug_data_dependence_relation): Declared.
13359 (index_in_loop_nest): New.
13360 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13361 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13364 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13366 * simplify-rtx.c (simplify_relational_operation): Call
13367 simplify_relational_operation_1 even if mode is VOIDmode.
13369 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13371 PR tree-optimization/26804
13372 * tree.h (DECL_CALL_CLOBBERED): New macro.
13373 (tree_decl_common): Add call_clobbered_flag.
13374 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13375 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13376 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13377 (mark_non_addressable): Ditto.
13378 * tree-ssa.c (verify_call_clobbered): New function.
13379 (verify_alias_info): Use it.
13380 * tree-pass.h (pass_reset_cc_flags): New prototype.
13381 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13382 (reset_cc_flags): New function.
13383 * passes.c (init_optimization_passes): Call reset_cc_flags after
13384 initializing referenced_vars.
13386 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13387 Roger Sayle <roger@eyesopen.com>
13389 PR middle-end/26717
13390 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13391 to 1.0 for non-real operands. Implement A / A optimization for
13394 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13396 * config/i386/i386.c (size_cost): Correct the comment for
13397 cost of storing fp registers.
13398 (i386_cost): Likewise.
13399 (i486_cost): Likewise.
13400 (pentium_cost): Likewise.
13401 (pentiumpro_cost): Likewise.
13402 (k6_cost): Likewise.
13403 (athlon_cost): Likewise.
13404 (k8_cost): Likewise.
13405 (pentium4_cost): Likewise.
13406 (nocona_cost): Likewise.
13407 (generic64_cost): Likewise.
13408 (generic32_cost): Likewise.
13410 2006-03-24 Denis Chertykov <denisc@overta.ru>
13412 * config/avr/avr-protos.h (extra_constraint): Delete.
13413 (extra_constraint_Q): New declaration.
13414 * config/avr/constraints.md: New file.
13415 * config/avr/avr.md: Include it.
13416 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13417 (TMP_REGNO, ZERO_REGNO): Likewise.
13418 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13419 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13420 (extra_constraint): Delete.
13421 (extra_constraint_Q): Test for memory constraint 'Q'.
13422 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13423 (REG_CLASS_FROM_LETTER): Delete.
13424 (CONST_OK_FOR_LETTER_P): Delete.
13425 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13426 (EXTRA_CONSTRAINT): Delete.
13427 (TMP_REGNO): Delete.
13428 (ZERO_REGNO): Delete.
13430 2006-03-24 Jeff Law <law@redhat.com>
13432 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13433 directly. Call mark_new_vars_to_rename slightly earlier.
13435 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13437 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13438 (is_cxx): Likewise.
13439 (gen_compile_unit_die): Use new language types for Objective-C and
13441 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13442 DW_LANG_C_plus_plus.
13445 * config/t-darwin (crt3.o): Work around bug 26840.
13446 * config/darwin-crt3.c: Rewrite.
13447 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13449 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13451 * doc/invoke.texi: Document -femit-class-debug-always
13452 * common.opt: Add -femit-class-debug-always.
13454 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13456 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13457 index and base register.
13458 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13459 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13460 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13461 REGNO_OK_FOR_INDEX_P.
13462 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13464 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13465 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13466 REG_OK_FOR_BASE_P): Definitions removed.
13468 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13470 PR middle-end/26611
13471 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13472 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13473 set yet or weren't marked as local yet.
13475 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13477 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13480 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13482 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13483 (rs6000_legitimate_small_data_p): Delete.
13484 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13485 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13486 and make static. Add forward declaration. Update uses.
13487 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13488 of offsettable_memref_p.
13489 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13490 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13492 2006-03-24 Jeff Law <law@redhat.com>
13494 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13495 around bug in immediate-use iterator.
13497 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13500 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13501 or __LITTLE_ENDIAN__.
13503 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13505 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13506 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13507 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13508 * config/sh/sh.opt (mdiv=): Amend description.
13509 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13510 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13511 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13512 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13513 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13514 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13515 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13516 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13517 TARGET_DIVIDE_CALL_FP.
13519 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13521 * haifa-sched.c (choose_ready): Fix type of the local variable.
13522 Move local variables. Add comment.
13523 (check_reg_live): Change signature. Make callable from debugger.
13524 * sched-int.h (check_reg_live): Update signature.
13525 * sched-ebb.c (check_reg_live): Update parameters.
13526 * sched-rgn.c (check_reg_live): Ditto.
13527 (region_head_or_leaf_p): Check pointer before dereferencing.
13528 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13529 before reload on optimization levels below 1.
13531 2006-03-23 Richard Henderson <rth@redhat.com>
13533 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13537 * config/alpha/predicates.md (local_symbolic_operand): Reject
13540 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13543 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13544 expressions which have overflowed constants.
13546 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13548 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13550 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13552 * cfgloopmanip.c (create_loop_notes): Removed.
13553 * final.c (final_scan_insn): Do not handle loop notes.
13554 * jump.c (squeeze_notes): Ditto.
13555 * cfglayout.c (skip_insns_after_block,
13556 duplicate_insn_chain): Ditto.
13557 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13559 * cfgloop.h (create_loop_notes): Declaration removed.
13561 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13563 * varasm.c (output_constant_pool): Restore fnname and fndecl
13565 (assemble_start_function): Adjust call accordingly.
13566 (assemble_end_function): Likewise.
13568 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13571 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13574 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13576 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13579 * system.h (ICE_EXIT_CODE): New macro.
13580 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13581 (diagnostic_action_after_output): Likewise.
13582 * gcc.c (fatal_ice): New function.
13583 (execute): Use it instead of fatal.
13584 (fancy_abort): Likewise.
13585 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13587 2006-03-22 Jeff Law <law@redhat.com>
13589 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13590 iv_analyze_result returning false.
13592 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13594 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13596 2006-03-22 Richard Henderson <rth@redhat.com>
13598 PR middle-end/26084
13599 * except.c (duplicate_eh_regions_0): New.
13600 (duplicate_eh_region_1): Duplicate the children of the node as
13601 well as the node itself. Link them up properly.
13602 (duplicate_eh_region_2): Merge into ...
13603 (duplicate_eh_regions): ... here. Take copy_region argument, and
13604 copy only a sub-tree if asked. Simplify copying and fixup.
13605 (eh_region_outer_p): New.
13606 * except.h (duplicate_eh_regions): Update decl.
13607 (eh_region_outer_p): Declare.
13608 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13609 (lower_omp_master): Likewise.
13610 (lower_omp_ordered): Likewise.
13611 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13612 (move_stmt_r): Use it to remap labels. Handle recursion vs
13613 remap_decls_p properly.
13614 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13615 (find_outermost_region_in_block): New.
13616 (new_label_mapper): New.
13617 (move_sese_region_to_fn): Copy eh information to the new function
13619 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13621 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13624 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13626 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13627 into shared libraries.
13629 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13631 * doc/md.texi: Refer to i386/constraints.md instead of
13632 i386/predicates.md.
13633 * config/i386/constraints.md: New file, extracted from...
13634 * config/i386/predicates.md: ...here.
13635 * config/i386/i386.md: Include constraints.md.
13637 2006-03-21 Jason Merrill <jason@redhat.com>
13639 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13641 PR middle-end/20297
13642 * expr.c (init_block_move_fn): Force default visibility.
13643 (init_block_clear_fn): Likewise.
13644 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13645 * targhooks.c (default_external_stack_protect_fail): Likewise.
13647 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13649 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13650 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13651 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13652 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13653 (loadgp): Use mips_current_loadgp_style.
13654 (loadgp_noshared): New pattern.
13655 (sibcall_internal): Use MIPS_CALL.
13656 (sibcall_value_internal): Likewise.
13657 (sibcall_value_multiple_internal): Likewise.
13658 (call_internal): Likewise.
13659 (call_value_internal): Likewise.
13660 (call_value_multiple_internal): Likewise.
13661 (call_split): Use MIPS_CALL and add an 'S' constraint.
13662 (call_value_split): Likewise.
13663 (call_value_multiple_split): Likewise.
13664 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13665 (-mshared): New option.
13666 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13667 (mips_current_loadgp_style): Declare.
13668 * config/mips/mips.c (mips_classify_symbol): Avoid using
13669 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13670 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13671 TARGET_ABSOLUTE_ABICALLS.
13672 (override_options): Adjust comments. Improve the warning that is
13673 issued when -mabicalls and -G are used together.
13674 (mips_file_start): Remove comment.
13675 (mips_current_loadgp_style): New function.
13676 (mips_gnu_local_gp): New variable.
13677 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13679 (mips_output_function_prologue): Use mips_current_laodgp_style.
13680 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13681 the cprestore instruction.
13682 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13683 live for TARGET_ABSOLUTE_ABICALLS.
13684 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13685 (ASM_SPEC): Pass down -mshared and -mno-shared.
13686 (MIPS_CALL): New macro.
13687 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13689 * doc/invoke.texi (-mabicalls): Update documentation.
13690 (-mshared): Document.
13692 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13694 * config/ia64/unwind-hpux.c: New file.
13695 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13697 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13700 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13702 2006-03-21 Jeff Law <law@redhat.com>
13704 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13705 type conversions of a VR_VARYING source to a wider type.
13707 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13709 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13710 tm_file on Solaris 10 and later.
13711 (sparc64-*-solaris2*): Likewise.
13712 (sparc-*-solaris2*): Likewise.
13713 * config/sol26.h: Rename to config/sol2-6.h.
13714 * config/sol2-10.h: New file.
13716 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13719 * tree-ssa-pre.c (create_component_ref_by_pieces):
13722 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13725 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13726 return it immediately.
13728 2006-03-21 Michael Matz <matz@suse.de>
13730 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13732 (remove_arc, add_arc): Update num_out_arcs member.
13733 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13735 (cache_presence): New function.
13736 (compare_states_for_equiv): New function.
13737 (state_is_differed): Don't take number of outargs, adjust callers.
13738 Use new invariant for speeding up.
13739 (init_equiv_class): Create initial classes based on sorted
13741 (partition_equiv_class): Don't track out_arcs_num.
13742 (evaluate_equiv_classes): Call cache_presence on all states and
13745 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13747 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13748 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13749 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13750 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13752 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13753 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13754 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13755 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13756 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13758 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13759 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13760 (REGNO_REG_CLASS): ARGP is in PREGS.
13761 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13763 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13764 to deal with those addresses.
13765 * addresses.h: New file.
13766 * caller-save.c: Include "addresses.h".
13767 (init_caller_save): Use new base_reg_class function.
13768 * rtl-factoring.c: Include "addresses.h".
13769 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13770 * recog.c: Include "addresses.h".
13771 (preprocess_constraints): Use new base_reg_class function.
13772 * regrename.c: Include "addresses.h".
13773 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13774 functions. Keep track of a new var INDEX_CODE to compute valid
13776 (replace_oldest_value_addr): Likewise.
13777 (replace_oldest_value_mem): Use base_reg_class.
13778 * reload.c: Include "addresses.h".
13779 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13780 (find_reloads): Use new base_reg_class function.
13781 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13782 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13783 all callers and prototype changed.
13784 * reload1.c: Include "addresses.h".
13785 (maybe_fix_stack_asms): Use base_reg_class.
13786 * regclass.c: Include "addresses.h".
13787 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13788 (init_reg_autoinc): Use new base_reg_class function.
13789 (record_reg_classes): Likewise.
13790 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13791 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13792 Use new args to compute necessary class.
13794 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13795 regrename.o, rtl-factoring.o): Update dependencies.
13796 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13797 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13798 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13799 REG_OK_FOR_INDEX_P): Delete documentation.
13801 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13803 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13804 from V7 to V9 for Solaris 7 and above.
13806 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13808 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13809 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13810 argument pointers may not alias any other storage.
13811 * common.opt: Define option -fargument-noalias-anything.
13812 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13813 alias semantics is specified by flag_argument_noalias > 2.
13815 2006-03-20 Jeff Law <law@redhat.com>
13817 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13818 (pass_phi_only_cprop): Declare.
13819 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13820 with phi_only_cprop
13821 * tree-ssa-dom.c (degenerate_phi_result): New function.
13822 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13823 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13824 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13825 (eliminate_degenerate_phis): Likewise.
13826 (pass_phi_only_cprop): New pass descriptor.
13827 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13828 support code. Callers updated.
13829 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13830 (store_copy_prop): Likewise.
13831 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13833 2006-03-20 Jason Merrill <jason@redhat.com>
13836 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13837 (push_visibility, pop_visibility): Likewise.
13838 * c-pragma.h: Declare them.
13840 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13842 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13844 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13845 parameter and use get_ebb_head_tail.
13846 (sh_md_init_global): Adjust uses of find_regmode_weight.
13848 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13850 * function.h (struct function) <x_tail_recursion_reentry>:
13851 Rename to x_stack_check_probe_note.
13852 (tail_recursion_reentry): Rename to stack_check_probe_note.
13853 * function.c: Replace tail_recursion_reentry with
13854 stack_check_probe_note everywhere.
13855 (expand_function_start): Only emit a note for
13856 stack_check_probe_note with -fstack-protect.
13857 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13859 * emit-rtl.c (remove_unnecessary_notes): Remove.
13860 (pass_remove_unnecessary_notes): Remove.
13861 * rtl.h (remove_unnecessary_notes): Remove prototype.
13862 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13863 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13864 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13866 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13869 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13870 (valid_in_set): Handle ARRAY_REF.
13871 Change "if min_variant or VH" to asserts.
13872 (create_component_ref_by_pieces): Handle ARRAY_REF.
13873 (create_expression_by_pieces): Likewise.
13874 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13876 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13878 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13879 is operand of switch, not str[0].
13881 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13883 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13884 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13886 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13888 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13889 end of insn_extra_address_constraint declaration.
13891 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13893 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13894 (no-sum-in-toc): Same.
13895 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13897 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13898 NO_FP_IN_TOC for -fPIC instead of mask.
13900 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13901 (BOOT_LDFLAGS): Delete.
13903 * config/rs6000/t-aix52: Same.
13905 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13906 (stmsi[345678]_power): New.
13908 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13910 * config/ia64/ia64.opt: Add empty line to end of file.
13912 2006-03-17 Richard Guenther <rguenther@suse.de>
13914 PR middle-end/26721
13915 * builtins.c (get_pointer_alignment): For component style references
13916 adjust alignment to the component type alignment. Make sure
13917 to adjust alignment for component access of constants.
13919 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13921 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13922 unconditional jump.
13924 2006-03-17 Paul Brook <paul@codesourcery.com>
13926 * doc/install.texi: Docuemnt --with-mode.
13927 * config.gcc: Add --with-mode for arm*-*-*.
13928 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13930 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13932 * sh.c (max_labelno_before_reorg): New variable.
13933 (sh_reorg): Initialize it.
13934 (find_barrier): Check max_labelno_before_reorg before using
13935 label_to_alignment. Take length of explicit alignment insns
13936 into account. When seeing a UNSPECV_CONST_END, return it.
13938 * sh.c (fixup_mova): Set mode of affected label to QImode.
13939 (untangle_mova): New function.
13940 (find_barrier): Use it. Check mode of label before decrementing
13942 (sh_reorg): Likewise.
13943 Set mode of all insns back to VOIDmode.
13945 * sh.c (MOVA_LABELREF): New macro.
13946 (mova_p, fixup_mova, sh_reorg): Use it.
13947 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13948 ADDR_DIFF_VEC matches mova.
13950 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13952 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13953 with ATTRIBUTE_UNUSED.
13955 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13957 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13958 pointer, instead of assuming it is possible to derive the
13959 correct args size from a call insn.
13961 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13963 * rtl.h (CONST_INT_P): Define.
13964 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13965 instead of GET_CODE(x) == CONST_INT.
13966 (vax_rtx_costs): Likewise.
13967 (vax_output_int_move): Likewise.
13968 (vax_output_int_add): Likewise.
13969 (legitimate_constant_address_p): Likewise.
13970 (index_term_p): Likewise.
13971 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13972 * config/vax/vax.md (and<mode>3): Likewise.
13973 (ashrsi3): Likewise.
13975 (movstricthi): Likewise.
13976 (movstrictqi): Likewise.
13977 (rotrsi3): Likewise.
13978 (five unnamed insns): Likewise.
13980 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13982 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13983 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13984 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13985 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13986 Pass to ASM_OUTPUT_DWARF_OFFSET.
13987 * dwarf2out.c (debug_frame_section): New.
13988 (output_call_frame_info): Use debug_frame_section. Pass it to
13989 dw2_asm_output_offset.
13990 (output_die): Pass appropriate section to dw2_asm_output_offset.
13991 (output_compilation_unit_header): Likewise.
13992 (output_pubnames): Likewise.
13993 (output_aranges): Likewise.
13994 (enum dw_val_class): Break dw_val_class_lbl_offset into
13995 dw_val_class_lineptr and dw_val_class_macptr.
13996 (add_AT_lbl_offset): Delete.
13997 (add_AT_lineptr): New.
13998 (add_AT_macptr): New.
13999 (AT_lbl): Expect a lineptr or macptr.
14000 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14001 (attr_checksum): Likewise.
14002 (same_dw_val_p): Likewise.
14003 (size_of_die): Likewise.
14004 (value_format): Likewise.
14005 (output_die): Likewise.
14006 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14008 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14009 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14010 * config/darwin-protos.h (darwin_file_start): New.
14011 (darwin_asm_output_dwarf_offset): New.
14012 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14013 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14015 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14016 if not EH section; simplify.
14017 (darwin_file_start): New.
14018 (darwin_asm_output_dwarf_offset): New.
14019 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14021 (DEBUG_INFO_SECTION): Likewise.
14022 (DEBUG_ABBREV_SECTION): Likewise.
14023 (DEBUG_ARANGES_SECTION): Likewise.
14024 (DEBUG_MACINFO_SECTION): Likewise.
14025 (DEBUG_LINE_SECTION): Likewise.
14026 (DEBUG_LOC_SECTION): Likewise.
14027 (DEBUG_PUBNAMES_SECTION): Likewise.
14028 (DEBUG_STR_SECTION): Likewise.
14029 (DEBUG_RANGES_SECTION): Likewise.
14030 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14031 (ASM_OUTPUT_DWARF_OFFSET): New.
14033 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14035 * config.gcc (tm_defines): Always add to previous value rather
14038 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14040 * config/mips/predicates.md (splittable_const_int_operand): New,
14041 split from move_operand.
14042 (splittable_symbolic_operand): New.
14043 (move_operand): Add commentary. Use splittable_const_int_operand.
14044 Inline mips_atomic_symbolic_constant_p.
14045 * config/mips/mips.md: Add combine splitters for handling moves
14046 of splittable_const_int_operands and splittable_symbolic_operands.
14047 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14048 (mips_split_symbol): Declare.
14049 (mips_move_integer): Declare.
14050 * config/mips/mips.c (mips_split_p): Make global.
14051 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14052 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14053 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14054 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14055 (mips_offset_within_object_p): Handle block symbols.
14056 (mips_atomic_symbolic_constant_p): Delete.
14057 (mips_cannot_force_const_mem): Return false for constants that
14058 mips_legitimize_move can handle.
14059 (mips_use_blocks_for_constant_p): New function.
14060 (mips_split_symbol): Make global.
14061 (mips_move_integer): Likewise. Add a temporary register argument.
14062 (mips_legitimize_const_move): Use splittable_const_int_operand and
14063 splittable_symbolic_operand.
14064 (mips_use_anchors_for_symbol_p): New function.
14065 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14066 (mips_split_p): Declare.
14068 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14070 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14071 (mips*-*-linux*): Likewise.
14073 2006-03-16 Roger Sayle <roger@eyesopen.com>
14074 Daniel Speyer <dspeyer@wam.umd.edu>
14076 PR middle-end/18259
14077 * tree-dump.c (dump_real): New function.
14078 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14079 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14080 (tree-dump.o): Add $(REAL_H) to the dependencies.
14082 2006-03-16 Roger Sayle <roger@eyesopen.com>
14084 PR middle-end/21781
14085 * real.c (real_from_string): If the mantissa is zero, don't bother
14086 parsing the exponent as the result should always be zero.
14088 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14090 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14092 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14094 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14095 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14096 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14097 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14098 ia64_sched_finish_global): New static functions to implement
14099 hooks from gcc_target.sched.
14100 (spec_check_no, max_uid, pending_data_specs): New static variables.
14101 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14102 ia64_spec_check_src_p): New static functions.
14103 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14104 (TARGET_SCHED_ADJUST_COST): Removed.
14105 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14106 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14107 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14108 TARGET_SCHED_GEN_CHECK,
14109 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14110 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14111 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14112 Fixed to handle speculation checks.
14113 (rtx_needs_barrier): Fixed to handle speculative loads and
14115 (ia64_variable_issue): Added code to count speculative loads and their
14117 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14119 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14121 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14123 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14124 (ia64_reorg): Reset stops_p to NULL after it is freed.
14125 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14126 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14127 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14129 (data_speculative, control_speculative, check_load): New attributes.
14130 (mov<mode>_advanced, mov<mode>_speculative,
14131 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14132 zero_extend<mode>di2_speculative,
14133 zero_extend<mode>di2_speculative_advanced): New patterns for
14134 data and control speculative loads.
14135 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14137 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14138 New pattern for data and control speculation checks.
14139 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14140 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14141 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14142 Auxiliary definitions for the patterns.
14143 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14144 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14146 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14148 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14149 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14150 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14151 New resource constraints.
14152 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14154 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14155 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14156 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14157 msched-in-control-spec, msched-ldc, msched-control-ldc,
14158 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14159 msched-prefer-non-control-spec-insns,
14160 msched-count-spec-in-critical-path): New flags to tune speculative
14162 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14163 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14164 msched-in-control-spec, msched-ldc, msched-control-ldc,
14165 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14166 msched-prefer-non-control-spec-insns,
14167 msched-count-spec-in-critical-path): Document new flags.
14169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14171 * target.h (struct spec_info_def): New opaque declaration.
14172 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14173 speculate_insn, needs_block_p, gen_check,
14174 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14175 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14176 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14177 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14178 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14179 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14181 (TARGET_SCHED): Use new macros.
14182 * rtl.h (copy_DEPS_LIST_list): New prototype.
14183 * sched-int.h (struct sched_info): Change signature of new_ready field,
14184 adjust all initializations. New fields: add_remove_insn,
14185 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14186 region_head_or_leaf_p.
14187 (struct spec_info_def): New structure declaration.
14188 (spec_info_t): New typedef.
14189 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14190 recovery_block, orig_pat.
14191 (glat_start, glat_end): New variables declaraions.
14192 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14194 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14195 DETACH_LIFE_INFO, USE_GLAT.
14196 (enum SPEC_SCHED_FLAGS): New enumeration.
14197 (NOTE_NOTE_BB_P): New macro.
14198 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14199 attach_life_info, debug_spec_status, check_reg_live): New functions.
14200 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14201 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14203 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14204 * ddg.c (get_block_head_tail): Adjust all uses.
14205 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14206 (sms_sched_info): Initialize new fields.
14207 (contributes_to_priority): Removed.
14208 * haifa-sched.c (params.h): New include.
14209 (get_block_head_tail): Adjust all uses.
14210 (ISSUE_POINTS): New macro.
14211 (glat_start, glat_end): New global variables.
14212 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14213 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14214 old_last_basic_block, before_recovery, current_sched_info_var,
14215 rgn_n_insns, luid): New static variables.
14216 (insn_cost1): New function. Move logic from insn_cost to here.
14217 (find_insn_reg_weight1): New function. Move logic from
14218 find_insn_reg_weight to here.
14219 (reemit_notes, move_insn, max_issue): Change signature.
14220 (move_insn1): Removed.
14221 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14222 extend_bb): New static functions to support extension of scheduler's
14224 (generate_recovery_code, process_insn_depend_be_in_spec,
14225 begin_speculative_block, add_to_speculative_block,
14226 init_before_recovery, create_recovery_block, create_check_block_twin,
14227 fix_recovery_deps): New static functions to support
14228 generation of recovery code.
14229 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14230 restore_bb_notes, move_block_after_check, move_succs): New static
14231 functions to support ebb scheduling.
14232 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14233 functions to support handling of register live information.
14234 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14235 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14236 add_jump_dependencies): New static functions.
14237 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14238 consistancy checking.
14239 (debug_spec_status): New function to call from debugger.
14240 (priority): Added code to handle speculation checks.
14241 (rank_for_schedule): Added code to distinguish speculative instructions.
14242 (schedule_insn): Added code to handle speculation checks.
14243 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14244 Fixed to handle ebbs.
14245 (move_insn): Added code to handle ebb scheduling.
14246 (max_issue): Added code to use ISSUE_POINTS of instructions.
14247 (choose_ready): Added code to choose between speculative and
14248 non-speculative instructions.
14249 (schedule_block): Added code to handle ebb scheduling and scheduling of
14250 speculative instructions.
14251 (sched_init): Initialize new variables.
14252 (sched_finish): Free new variables. Print statistics.
14253 (try_ready): Added code to handle speculative instructions.
14254 * lists.c (copy_DEPS_LIST_list): New function.
14255 * sched-deps.c (extend_dependency_caches): New function. Move logic
14256 from create_dependency_caches to here.
14257 (get_dep_weak, ds_merge): Make global.
14258 * genattr.c (main): Code to output prototype for
14259 dfa_clear_single_insn_cache.
14260 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14261 (output_dfa_clean_insn_cache_func): Code to output
14262 dfa_clear_single_insn_cache function.
14263 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14265 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14267 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14268 New static variables.
14269 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14270 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14272 (ebb_sched_info): Initialize new fields.
14273 (get_block_head_tail): Adjust all uses.
14274 (compute_jump_reg_dependencies): Fixed to use glat_start.
14275 (schedule_ebb): Code to remove unreachable last block.
14276 (schedule_ebbs): Added code to update register live information.
14277 * sched-rgn.c (region_sched_info): Initialize new fields.
14278 (get_block_head_tail): Adjust all uses.
14279 (last_was_jump): Removed. Adjust users.
14280 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14281 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14282 Implement new hooks.
14283 (check_dead_notes1): New static function.
14284 (struct region): New fields: dont_calc_deps, has_real_ebb.
14285 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14286 (BB_TO_BLOCK): Fixed to handle EBBs.
14287 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14288 (ebb_head): New static variable.
14289 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14290 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14292 (compute_dom_prob_ps): New assertion.
14293 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14294 global_live_at_start.
14295 (init_ready_list): New assertions.
14296 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14297 (new_ready): Add support for BEGIN_CONTROL speculation.
14298 (schedule_insns): Fixed code that updates register live information
14300 (schedule_region): Fixed to handle EBBs.
14301 (init_regions): Use extend_regions and check_dead_notes1.
14302 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14303 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14304 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14305 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14306 TARGET_SCHED_GEN_CHECK,
14307 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14308 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14309 * doc/invoke.texi (max-sched-insn-conflict-delay,
14310 sched-spec-prob-cutoff): Document.
14312 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14314 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14315 inter_tick, queue_index.
14316 (struct sched_info): Change signature of init_ready_list field.
14317 Adjust all initializations.
14318 (RESOLVED_DEPS): New access macro.
14319 (ready_add): Remove prototype.
14320 (try_ready): Add prototype.
14321 * sched-rgn.c (init_ready_list): Use try_ready.
14322 (schedule_region): Initialize
14323 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14324 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14325 (init_ready_list): Use try_ready.
14326 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14327 * lists.c (remove_list_elem): Remove `static'.
14328 (remove_free_INSN_LIST_elem): New function.
14329 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14330 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14331 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14333 (readyp): New variable.
14334 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14335 change_queue_index, resolve_dep): New static functions.
14336 (try_ready): New function. Adjust callers in sched-rgn.c and
14337 sched-ebb.c to use it instead of ready_add.
14338 (clock_var): Move at the begining of file.
14339 (rank_for_schedule): Fix typo.
14340 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14341 (ready_lastpos): Enforce assertion.
14342 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14343 update all callers.
14344 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14345 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14346 (queue_to_ready): Use free_INSN_LIST_list.
14347 (early_queue_to_ready): Fix typo.
14348 (schedule_block): Init readyp. Move init_ready_list call after the
14349 initialization of clock_var. Fix error in rejecting insn by
14350 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14351 that previously corrected INSN_TICKs. Add code for handling
14353 (set_priorities): Fix typo.
14354 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14355 Clarify comment and code that keeps current_sched_info->next_tail
14358 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14360 * sched-rgn.c (extend_rgns): New static function.
14361 (find_rgns): Use it.
14362 (gather_region_statistics, print_region_statistics): New static
14364 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14365 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14367 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14368 Andrey Belevantsev <abel@ispras.ru>
14370 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14371 * lists.c (unused_deps_list): New variable.
14372 (free_list): Add assertions to verify the proper distinguishing
14373 between INSN_LISTs and DEPS_LISTs.
14374 (find_list_elem, remove_list_elem, remove_list_node): New static
14376 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14377 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14378 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14379 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14381 (free_INSN_LIST_node): Likewise.
14382 * modulo-sched.c (current_sched_info): Initialize flags field.
14383 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14384 * rtl.def (DEPS_LIST): Define.
14385 * rtl.h: Declare new functions from lists.c.
14386 * sched-deps.c (spec_dependency_cache): New static variable.
14387 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14388 (add_dependence): Change return type to void. Move the logic to ...
14389 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14390 (delete_all_dependences): Add comment about forward_dependency_cache.
14391 Handle spec_dependency_cache. Handle DEPS_LISTs.
14392 (fixup_sched_groups): Clarify the change of priority of output
14393 and anti dependencies.
14394 (sched_analyze_2): Adjust add_dependence calls to create data
14395 speculative dependence.
14396 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14397 Adjust all callers. Handle DEPS_LISTS.
14398 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14399 presence of speculation.
14400 (init_dependency_caches, free_dependency_caches):
14401 Handle spec_dependency_cache.
14402 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14403 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14404 New static functions.
14405 (add_or_update_back_dep, add_or_update_back_forw_dep,
14406 add_back_forw_dep, delete_back_forw_dep): New functions.
14407 * sched-int.h (ds_t, dw_t): New typedefs.
14408 (struct sched_info): Add new field flags.
14409 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14410 Prototype new sched-deps.c functions.
14411 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14412 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14413 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14414 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14415 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14416 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14418 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14420 * sched-rgn.c (current_sched_info): Initialize flags field.
14421 (schedule_insns): Initialize current_sched_info before the sched_init
14423 * sched-ebb.c (current_sched_info): Initialize flags field.
14424 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14425 Call add_or_update_back_dep instead of add_dependence.
14426 Create control speculative dependencies.
14427 (schedule_insns): Initialize current_sched_info before the sched_init
14430 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14432 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14434 (sh_fallback_frame_state): Likewise.
14436 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14438 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14439 Do switch on default_use_cxa_atexit.
14440 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14441 * config/darwin-crt3.o: New.
14442 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14443 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14444 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14446 * config/rs6000/t-darwin: Move crt2.o building to here.
14447 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14448 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14451 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14453 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14454 from '! xxx' to '!xxx' for coding-style conformance.
14455 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14456 (EXTRA_CONSTRAINT): Likewise.
14457 * config/vax/vax.md (four unnamed insns): Likewise.
14459 2006-03-15 Paul Brook <paul@codesourcery.com>
14461 * config/arm/arm.c (minipool_pad): New.
14462 (add_minipool_forward_ref): Include pool alignment padding in address
14464 (push_minipool_fix): Set minipool_pad.
14465 (minipool_pad): Ditto.
14467 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14469 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14470 instead of GET_CODE() == MEM and REG_P() instead of
14472 (print_operand_address): Likewise.
14473 (vax_address_cost): Likewise.
14474 (vax_rtx_costs): Likewise.
14475 (vax_notice_update_cc): Likewise.
14476 (vax_output_int_add): Likewise.
14477 (INDEX_REGISTER_P): Likewise.
14478 (BASE_REGISTER_P): Likewise.
14479 (nonindexed_address_p): Likewise.
14480 (vax_mode_dependent_address_p): Likewise.
14481 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14482 (PRINT_OPERAND): Likewise.
14483 * config/vax/vax.md (ashlsi3): Likewise.
14484 (ashlsi3): Likewise.
14485 (some more unnamed insns): Likewise.
14487 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14489 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14490 iterator-style macro.
14491 (mark_control_dependent_edges_necessary): Update the use of
14492 EXECUTE_IF_CONTROL_DEPENDENT.
14494 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14496 * config/sh/predicates.md (cache_address_operand): Special.
14497 (ua_address_operand): Likewise.
14499 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14501 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14503 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14505 2006-03-15 Andreas Schwab <schwab@suse.de>
14507 * gensupport.c (identify_predicable_attribute): Don't free p_false
14508 when it is still in use.
14510 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14512 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14513 the default setting here.
14515 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14517 * tree-pass.h (pass_cfg): Remove.
14518 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14519 * passes.c (pass_cfg): Don't run it.
14521 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14523 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14524 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14526 (stack_regs_mentioned): Update the uses of
14527 stack_regs_mentioned_data. Don't access the array beyond its
14529 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14530 Don't include gt-reg-stack.h.
14532 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14533 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14535 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14537 PR middle-end/26684
14538 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14541 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14543 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14545 2006-03-14 Richard Guenther <rguenther@suse.de>
14547 PR tree-optimization/26672
14548 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14551 2006-03-14 Richard Guenther <rguenther@suse.de>
14553 PR tree-optimization/26667
14554 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14555 node for the callees. Always allow inlining if it will shrink
14558 2006-03-14 Richard Guenther <rguenther@suse.de>
14560 PR middle-end/26659
14561 * builtins.c (get_pointer_alignment): Prefer alignment
14562 information from decls over that from types.
14564 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14567 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14569 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14571 * config/rs6000/rs6000.opt (mdlmzb): New option.
14572 (msched-prolog, msched-epilog): Use Var not Mask.
14573 * doc/invoke.texi (-mdlmzb): Document.
14574 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14576 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14577 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14579 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14581 PR rtl-optimization/25739
14582 * bt-load.c (augment_live_range): Free tos pointer.
14584 * gensupport.c (identify_predicable_attribute): Free
14586 * gcov.c (create_file_names): Free name pointer.
14588 2006-03-13 Roger Sayle <roger@eyesopen.com>
14590 PR middle-end/26557
14591 * stmt.c (emit_case_nodes): Handle the case where the index is a
14592 CONST_INT, where the comparison mode is specified by the index type.
14594 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14596 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14599 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14601 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14602 (*branch_fp_inverted): Likewise.
14604 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14606 PR middle-end/25989
14607 * omp-low.c (expand_omp_for_generic): Mark istart0
14608 and iend0 as addressable.
14610 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14612 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14614 2006-03-13 Jeff Law <law@redhat.com>
14616 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14617 virtual operands are interesting.
14618 (vrp_visit_stmt): Corresponding changes.
14620 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14622 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14624 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14625 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14626 * config/bfin/crti.S: Use it instead of __PIC__.
14627 * config/bfin/crtn.S: Likewise.
14629 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14630 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14632 Lose 'G' modifier for call operand.
14633 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14634 recognize 'G' modifier.
14636 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14638 PR middle-end/18859
14639 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14640 * stmt.c (expand_case): Likewise.
14642 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14644 PR rtl-optimization/26254
14645 * loop-invariant.c (seq_insns_valid_p): New function.
14646 (move_invariant_reg): Only emit new code if it is valid.
14648 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14650 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14652 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14653 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14654 (commit_one_edge_insertion): Do not look for loop notes.
14656 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14658 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14659 flag_test_coverage out of loop.
14661 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14663 * final.c (shorten_branches): Remove outdated comment, and turn
14664 the if branch that guards it to continue.
14666 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14668 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14669 * cfgloop.h (struct loop): Remove unused fields.
14671 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14673 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14674 (-dL, -fdump-rtl-loop2): Update the dump file names
14676 * doc/invoke.texi: Update dump file names.
14678 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14680 * predict.c (estimate_probability): Remove.
14681 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14682 * basic-block.h (estimate_probability): Remove prototype.
14683 * passes.c (finish_optimization_passes): Dump branch prediction or
14684 profiling heuristics to the .profile tree dump.
14685 (init_optimization_passes): Unqueue pass_branch_prob.
14687 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14689 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14691 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14692 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14694 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14696 * function.h (frame_offset_overflow): Declare.
14697 * function.c (frame_offset_overflow): New function.
14698 (assign_stack_local_1): Call it to detect that the offset overflows.
14699 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14701 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14703 * config/sh/sh.c: Include alloc-pool.h.
14704 (label_ref_list_pool): New alloc pool.
14705 (label_ref_list_t): New type for lists of labels.
14706 (struct pool_node): Make wend a label_ref_list_t.
14707 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14709 (dump_table): Likewise.
14710 (sh_reorg): Set up the alloc pool before using add_constant and
14711 dump_table, and destroy it when finishing.
14713 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14715 * config/mips/mips.c: Remove redundant comment.
14717 2006-03-10 Jason Merrill <jason@redhat.com>
14720 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14721 the target was declared 'register'.
14723 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14725 * genpreds.c (write_insn_constraint_len): Change definition of
14726 insn_constraint_len to return size_t to match the declaration.
14728 2006-03-10 DJ Delorie <dj@redhat.com>
14730 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14732 (m32c_expand_insv): Fix test for an AND mask.
14734 2006-03-10 Richard Guenther <rguenther@suse.de>
14736 PR middle-end/26565
14737 * builtins.c (get_pointer_alignment): Handle component
14738 references for field alignment.
14740 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14742 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14743 when building with libgloss.
14744 (sh*elf): Implement --without-fp option.
14745 (sh64-superh-linux*): Don't multilib.
14747 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14749 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14751 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14753 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14754 Set it when one of the replacement functions returned true.
14755 Return TODO_cleanup_cfg if cfgchanged is true.
14756 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14758 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14760 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14761 instead of gen_lowpart.
14763 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14765 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14767 (mips_output_order_conditional_branch): Declare.
14768 * config/mips/mips.h (MIPS_BRANCH): New macro.
14769 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14770 for the comparison. Use gen_condjump.
14771 (mips_output_conditional_branch): Rework interface to take the
14772 asm templates for a direct branch and the inverse of a direct branch.
14773 (mips_output_order_conditional_branch): New function.
14774 (mips_builtin_branch_and_move): New function.
14775 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14776 branch condition. Use gen_single_cc as the condition for
14777 __builtin_mips_upper_* or __builtin_mips_lower_*.
14778 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14779 Use VOIDmode for the branch condition.
14780 * config/mips/predicates.md (order_operator): New predicate.
14781 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14782 (branch_fp): Rename to...
14783 (*branch_fp): ...this. Remove mode from comparison operator.
14784 Use new mips_output_conditional_branch interface.
14785 (branch_fp_inverted): Rename to...
14786 (*branch_fp_inverted): ...this and update as for *branch_fp.
14787 (*branch_zero<mode>): Rename to...
14788 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14789 Use mips_output_order_conditional_branch. Only accept ordered
14791 (*branch_zero<mode>_inverted): Rename to...
14792 (*branch_order<mode>_inverted): ...this and update as for
14793 *branch_order<mode>.
14794 (*branch_equality<mode>): Accept zero as the second operand to
14795 the equality operator. Use the new mips_output_conditional_branch
14797 (*branch_equality<mode>_inverted): Likewise.
14798 (condjump): New expander.
14799 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14801 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14802 (bc1any2t, bc1any2f): Likewise.
14803 (single_cc): New expander.
14804 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14806 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14808 * doc/md.texi: Update documentation of MIPS constraints.
14809 * config/mips/constraints.md: New file.
14810 * config/mips/mips.md: Include it.
14811 * config/mips/mips.c (mips_char_to_class): Delete.
14812 (override_options): Don't initialize mips_char_to_class.
14813 * config/mips/mips.h (mips_char_to_class): Delete.
14814 (REG_CLASS_FROM_LETTER): Delete.
14815 (CONST_OK_FOR_LETTER_P): Delete.
14816 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14817 (EXTRA_CONSTRAINT_Y): Delete.
14818 (EXTRA_CONSTRAINT_STR): Delete.
14819 (CONSTRAINT_LEN): Delete.
14820 (EXTRA_MEMORY_CONSTRAINT): Delete.
14822 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14824 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14825 original fn's eh regions.
14827 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14829 * fold-const.c (build_range_check): Make sure to use a valid type to
14830 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14833 (range_predecessor): New static function.
14834 (range_successor): Likewise.
14835 (merge_ranges): Use them to compute predecessors and successors of
14838 2006-03-09 Roger Sayle <roger@eyesopen.com>
14840 PR middle-end/26561
14841 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14842 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14844 2006-03-08 DJ Delorie <dj@redhat.com>
14846 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14847 (addpsi3): Expand to include memory operands. Remove
14848 reload-specific splits.
14849 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14850 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14851 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14852 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14853 (shift1_qi, shift1_hi, insv): New.
14854 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14855 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14856 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14858 * config/m32c/m32c-protos.h: Update as needed.
14859 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14860 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14861 Fail for unrecognized R* constraints.
14862 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14863 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14864 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14866 (m32c_init_libfuncs): New.
14867 (m32c_legitimate_address_p): Add debug wrapper.
14868 (m32c_rtx_costs): New.
14869 (m32c_address_cost): New.
14870 (conversions): Add 'B' prefix.
14871 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14872 operands, or word regnames for QI operands. 'B' prints bit
14874 (m32c_expand_setmemhi): New.
14875 (m32c_expand_movmemhi): New.
14876 (m32c_expand_movstr): New.
14877 (m32c_expand_cmpstr): New.
14878 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14879 (m32c_expand_neg_mulpsi3): Handle non-ints.
14880 (m32c_cmp_flg_0): New.
14881 (m32c_expand_movcc): New.
14882 (m32c_expand_insv): New.
14883 (m32c_scc_pattern): New.
14884 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14885 a0/a1 out of SIregs.
14886 (STORE_FLAG_VALUE): New.
14887 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14890 * config/m32c/mov.md: Make constraints more liberal.
14891 (zero_extendqihi2): Optimize r0/r1 case.
14892 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14893 * config/m32c/predicates.md (m32c_any_operand): New.
14894 (m32c_nonimmediate_operand): New.
14895 (m32c_hl_operand): New.
14896 (m32c_r3_operand): New.
14899 (memsym_operand): New.
14900 (memimmed_operand): New.
14901 (a_qi_operand): New.
14902 (m32c_eqne_operator): New.
14903 (m32c_1bit8_operand): New.
14904 (m32c_1bit16_operand): New.
14905 (m32c_1mask8_operand): New.
14906 (m32c_1mask16_operand): New.
14907 * config/m32c/blkmov.md: New file.
14908 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14910 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14912 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14913 unsigned to fix signed/unsigned comparison issue in
14914 DWARF2_FRAME_REG_OUT.
14915 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14916 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14918 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14919 of ptr into the ENABLE_CHECKING section.
14921 2006-03-08 Jeff Law <law@redhat.com>
14923 * tree-vrp.c (infer_value_range): Only count pointer uses
14924 and dereferences if -fdelete-null-pointer-checks is enabled.
14926 * tree-vrp.c (find_assert_locations): Infer value ranges for
14927 single use pointers, but do not create ASSERT_EXPRs for them.
14928 When a non-null range is inferred for a pointer, backwards
14929 propagate that range to other equivalent pointers through the
14932 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14935 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14936 language hook targets.
14937 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14938 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14939 if language hook targets were missing.
14941 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14943 * tree-ssa-opfinalize.h: Removed.
14944 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14946 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14947 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14948 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14949 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14950 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14951 finalize_ssa_v_must_def_ops): New.
14953 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14955 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14956 block as parameter.
14958 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14960 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14962 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14963 addresses with offsets; reorganize.
14965 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14966 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14967 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14969 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14972 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14974 2006-03-08 Ben Elliston <bje@au.ibm.com>
14976 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14978 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14981 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14984 2006-03-07 Richard Guenther <rguenther@suse.de>
14986 PR tree-optimization/26587
14987 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14989 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14991 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14993 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14995 * hooks.c (hook_bool_mode_rtx_true): New function.
14996 * hooks.h (hook_bool_mode_rtx_true): Declare.
14997 * toplev.c (compile_file): Call output_shared_constant_pool.
14998 * varasm.c (shared_constant_pool): New variable.
14999 (assemble_start_function, assemble_end_function): Remove arguments
15000 from call to output_constant_pool.
15001 (create_constant_pool): New function, split out from...
15002 (init_varasm_status): ...here.
15003 (force_const_mem): Choose between the shared and per-function constant
15004 pools. Set current_function_uses_const_pool when reusing old entries
15005 as well as when creating new ones.
15006 (mark_constant): Ignore data argument.
15007 (mark_constants): Remove pool argument.
15008 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15009 to decide whether the function uses a constant pool.
15010 (output_constant_pool_contents): New function, split out from...
15011 (output_constant_pool): ...here.
15012 (output_shared_constant_pool): New function.
15013 (init_varasm_once): Initialize shared_constant_pool.
15014 * output.h (output_constant_pool): Delete.
15015 (output_shared_constant_pool): Declare.
15016 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15017 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15019 2006-03-06 Nick Clifton <nickc@redhat.com>
15021 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15022 flag_strength_reduce.
15024 2006-03-06 Ben Elliston <bje@au.ibm.com>
15026 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15027 x86_64-*-linux* configurations.
15029 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15030 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15032 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15034 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15036 * basic-block.h: Remove the extern for
15037 rediscover_loops_after_threading.
15039 * cfgloop.c (cancel_loop): Make it static.
15040 * cfgloop.h: Remove the prototype for cancel_loop.
15042 * flow.c (recompute_reg_usage): Make it static.
15043 * rtl.h: Remove the prototype for recompute_reg_usage.
15045 * function.c (use_return_register): Make it static.
15046 * function.h: Remove the prototype.
15048 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15050 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15052 * recog.h: Remove the prototype for
15053 validate_change_maybe_volatile.
15055 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15057 * rtlanal.c (replace_reg): Remove.
15058 * rtl.h: Remove the prototype for replace_reg.
15060 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15062 * regclass.c (reg_scan_update): Remove.
15063 (reg_scan_mark_refs): Remove the last argument.
15064 * rtl.h: Remove the prototype for reg_scan_update.
15066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15068 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15069 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15070 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15071 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15072 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15073 loop-invariant.c, omp-low.c, opts.c, passes.c,
15074 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15075 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15076 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15077 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15078 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15079 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15083 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15084 * dwarf2out.h: Remove the prototype for
15085 dwarf2out_add_library_unit_info.
15087 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15089 * tree.c (add_var_to_bind_expr): Remove.
15090 * tree.h: Remove the prototype for add_var_to_bind_expr.
15092 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15094 * regclass.c (n_non_fixed_regs): Remove.
15095 (init_reg_sets_1, globalize_reg): Remove all uses of
15097 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15099 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15101 * rtlanal.c (insns_safe_to_move_p): Remove.
15102 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15106 * expmed.c (expand_mult_add): Remove.
15107 * expr.h: Remove the prototype for expand_mult_add.
15109 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15111 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15112 and REG_SAVED_VAL_EXP constants.
15113 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15114 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15115 Handle regs stored by value.
15116 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15117 (execute_cfa_program): Handle DW_CFA_val_offset,
15118 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15119 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15120 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15121 (uw_install_context_1): Handle target regs stored by value.
15123 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15125 * tree-sra.c (tree_sra): Return todoflags;
15126 (generate_one_element): Set TODO_update_smt_usage if needed.
15127 (pass_sra): Remove TODO_update_smt_usage.
15128 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15130 (tree_ssa_forward_propagate_single_use_vars): Return
15131 TODO_update_smt_usage if we need to update SMT usage.
15132 (pass_forwprop): Remove TODO_update_smt_usage.
15134 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15136 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15137 (correct_use_link): Remove reference to get_stmt_operands.
15138 (update_stmt_operands): Likewise.
15139 (get_modify_expr_operands): New function factored out of
15140 parse_ssa_operands and get_expr_operands.
15141 Try to create V_MUST_DEFs for LHS by default.
15142 (get_expr_operands) <case MODIFY_EXPR>: Call
15143 get_modify_expr_operands.
15144 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15145 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15146 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15147 get_modify_expr_operands.
15149 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15151 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15152 * tree-flow.h: Remove the prototype for
15153 referenced_var_lookup_if_exists.
15155 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15157 PR rtl-optimization/26345
15159 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15161 2006-03-03 Roger Sayle <roger@eyesopen.com>
15163 PR tree-optimization/26524
15164 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15165 fold_convert to create a constant of the appropriate type.
15167 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15169 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15170 SYMBOL_REF_IN_BLOCK_P.
15171 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15172 of SYMBOL_FLAG_IN_BLOCK.
15173 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15174 instead of SYMBOL_REF_IN_BLOCK_P.
15175 * explow.c (use_anchored_address): Likewise.
15176 * rtl.c (rtx_size): Likewise.
15177 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15178 instead of SYMBOL_FLAG_IN_BLOCK.
15179 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15180 SYMBOL_REF_IN_BLOCK_P.
15181 (assemble_variable): Likewise.
15182 (output_constant_def_contents): Likewise.
15183 (output_constant_pool): Likewise.
15184 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15185 instead of SYMBOL_FLAG_IN_BLOCK.
15186 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15187 SYMBOL_REF_IN_BLOCK_P.
15188 (SYMBOL_REF_BLOCK): Likewise.
15189 (SYMBOL_REF_OFFSET): Likewise.
15190 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15191 SYMBOL_REF_IN_BLOCK_P.
15192 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15193 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15194 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15195 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15197 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15199 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15201 2006-03-02 Roger Sayle <roger@eyesopen.com>
15203 * simplify-rtx.c (simplify_unary_operation): When simplifying
15204 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15205 that we perform the right shift in the appropriate mode, and
15206 then extend or truncate the result to requested mode.
15208 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15210 * gengtype.c (main): Handle double_int type.
15211 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15212 * double-int.c: New file.
15213 * double-int.h: New file.
15214 * system.h: Include doubleint.h.
15215 * Makefile.in (SYSTEM_H): Include double-int.h.
15216 (double-int.o): Add.
15218 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15221 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15224 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15226 * tree-vrp.c (remove_range_assertions): Do not update statements
15229 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15231 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15233 * gcse.c (rest_of_handle_gcse): Ditto.
15234 * except.c (gate_handle_eh): Ditto.
15235 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15236 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15238 2006-03-02 Eric Christopher <echristo@apple.com>
15240 * config/i386/i386.c (machopic_output_stub): Add indirection to
15243 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15247 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15249 Sun Niagara specific optimizations.
15250 * config.gcc: Recognize niagara as target.
15251 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15252 (TARGET_CPU_niagara): Define.
15253 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15254 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15255 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15256 (ASM_CPU_SPEC): Likewise.
15257 (PROCESSOR_NIAGARA): New enum entry.
15258 (REGISTER_MOVE_COST): Handle Niagara.
15259 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15260 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15261 (sparc_override_options): Recognize "niagara", set appropriate
15262 default MASK_* values for it, and align functions to 32-bytes
15263 by default just like ULTRASPARC/ULTRASPARC3.
15264 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15265 (sparc64_initialize_trampoline): Likewise.
15266 (sparc_use_sched_lookahead): Use zero for niagara.
15267 (sparc_issue_rate): Use one for niagara.
15268 * config/sparc/niagara.md: New file.
15269 * config/sparc/sparc.md: Include it.
15270 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15271 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15272 when default cpu is niagara.
15273 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15274 (ASM_CPU_SPEC): Likewise.
15275 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15276 when default cpu is niagara.
15277 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15278 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15279 just like v9/ultrasparc/ultrasparc3.
15280 * doc/invoke.texi: Add documentation for "niagara" and improve
15281 existing documentation for ultrasparc variants.
15283 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15285 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15287 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15289 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15290 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15291 and say that only one is needed.
15292 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15293 * target.h (have_switchable_bss_sections): New hook.
15294 * explow.c (use_anchored_address): Check that the symbol is in a block.
15295 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15296 (bss_noswitch_section): New variables.
15297 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15298 (get_noswitch_section): New function.
15299 (get_block_for_section): Allow SECT to be null.
15300 (unlikely_text_section_p): Use SECTION_STYLE.
15301 (bss_initializer_p): New function.
15302 (get_variable_section): Move earlier in file. Take a new argument,
15303 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15304 Return one of the new *_sections in such cases.
15305 (get_block_for_decl): New function, extracting some logic from
15306 use_blocks_for_decl_p.
15307 (change_symbol_section): Remove in favor of...
15308 (change_symbol_block): ...this new function.
15309 (use_blocks_for_decl_p): Remove checks now performed by
15310 get_block_for_decl.
15311 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15312 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15313 (emit_local, emit_bss, emit_common): ...these new functions.
15314 Return true if the alignment was honored.
15315 (emit_tls_common): New function.
15316 (asm_emit_uninitialised): Delete.
15317 (assemble_variable_noswitch): New function, split out from...
15318 (assemble_variable): ...here. Don't make decisions about common
15319 variables here. Globalize all public decls that go into non-common
15320 sections. Check whether SYMBOL_REF_BLOCK is null.
15321 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15322 (output_constant_pool): Likewise.
15323 (init_varasm_once): Initialize the new section variables.
15324 (have_global_bss_p): New function.
15325 (categorize_decl_for_section): Use bss_initializer_p.
15326 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15327 (place_block_symbol): Assert that the symbol must be in a block.
15328 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15329 (TARGET_INITIALIZER): Include it.
15330 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15331 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15332 (SECTION_MACH_DEP): Bump by two.
15333 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15334 (unnamed_section): Mention SECTION_UNNAMED in comment.
15335 (named_section): Likewise SECTION_NAMED.
15336 (noswitch_section_callback): New type.
15337 (noswitch_section): New structure.
15338 (section): Add a noswitch_section alternative.
15339 (SECTION_STYLE): New macro.
15340 (tls_comm_section, comm_section, lcomm_section): Declare.
15341 (bss_noswitch_section, have_global_bss_p): Declare.
15342 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15343 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15345 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15346 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15349 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15351 * tree-vrp.c (execute_vrp): Return value.
15352 * regrename.c (rest_of_handle_regrename): Ditto.
15353 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15354 * tree-complex.c (tree_lower_complex): Ditto.
15355 (tree_lower_complex_O0): Ditto.
15356 * tracer.c (rest_of_handle_tracer): Ditto.
15357 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15358 * postreload.c (rest_of_handle_postreload): Ditto.
15359 * tree-tailcall.c (execute_tail_recursion): Ditto.
15360 (execute_tail_calls): Ditto.
15361 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15362 * tree.h (init_function_for_compilation): Ditto.
15363 * ipa-cp.c (ipcp_driver): Ditto.
15364 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15365 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15366 * final.c (compute_alignments): Ditto.
15367 (rest_of_handle_final): Ditto.
15368 (rest_of_handle_shorten_branches): Ditto.
15369 (rest_of_clean_state): Ditto.
15370 * omp-low.c (execute_expand_omp): Ditto.
15371 (execute_lower_omp): Ditto.
15372 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15373 * ipa-reference.c (static_execute): Ditto.
15374 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15375 * reorg.c (rest_of_handle_delay_slots): Ditto.
15376 (rest_of_handle_machine_reorg): Ditto.
15377 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15378 * flow.c (recompute_reg_usage): Ditto.
15379 (rest_of_handle_remove_death_notes): Ditto.
15380 (rest_of_handle_life): Ditto.
15381 (rest_of_handle_flow2): Ditto.
15382 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15383 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15384 (do_ssa_store_ccp): Ditto.
15385 (execute_fold_all_builtins): Ditto.
15386 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15387 * modulo-sched.c (rest_of_handle_sms): Ditto.
15388 * ipa-pure-const.c (static_execute): Ditto.
15389 * cse.c (rest_of_handle_cse): Ditto.
15390 (rest_of_handle_cse2): Ditto.
15391 * web.c (rest_of_handle_web): Ditto.
15392 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15393 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15394 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15395 * tree-nrv.c (tree_nrv): Ditto.
15396 (execute_return_slot_opt): Ditto.
15397 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15398 (create_structure_vars): Ditto.
15399 * loop-init.c (rtl_loop_init): Ditto.
15400 (rtl_loop_done): Ditto.
15401 (rtl_move_loop_invariants): Ditto.
15402 (rtl_unswitch): Ditto.
15403 (rtl_unroll_and_peel_loops): Ditto.
15404 (rtl_doloop): Ditto.
15405 * gimple-low.c (lower_function_body): Ditto.
15406 (mark_used_blocks): Ditto.
15407 * tree-ssa-sink.c (execute_sink_code): Ditto.
15408 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15409 (cgraph_early_inlining): Ditto.
15410 * global.c (rest_of_handle_global_alloc): Ditto.
15411 * jump.c (cleanup_barriers): Ditto.
15412 (purge_line_number_notes): Ditto.
15413 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15414 (rest_of_handle_if_after_reload): Ditto.
15415 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15416 (tree_ssa_loop_im): Ditto.
15417 (tree_ssa_loop_unswitch): Ditto.
15418 (tree_vectorize): Ditto.
15419 (tree_linear_transform): Ditto.
15420 (tree_ssa_loop_ivcanon): Ditto.
15421 (tree_ssa_empty_loop): Ditto.
15422 (tree_ssa_loop_bounds): Ditto.
15423 (tree_complete_unroll): Ditto.
15424 (tree_ssa_loop_prefetch): Ditto.
15425 (tree_ssa_loop_ivopts): Ditto.
15426 (tree_ssa_loop_done): Ditto.
15427 * predict.c (tree_estimate_probability): Ditto.
15428 * recog.c (split_all_insns_noflow): Ditto.
15429 (rest_of_handle_peephole2): Ditto.
15430 (rest_of_handle_split_all_insns): Ditto.
15431 * tree-eh.c (lower_eh_constructs): Ditto.
15432 * regmove.c (rest_of_handle_regmove): Ditto.
15433 (rest_of_handle_stack_adjustments): Ditto.
15434 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15435 * function.c (instantiate_virtual_regs): Ditto.
15436 (init_function_for_compilation): Ditto.
15437 (rest_of_handle_check_leaf_regs): Ditto.
15438 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15439 (rest_of_handle_gcse): Ditto.
15440 * ipa-type-escape.c (type_escape_execute): Ditto.
15441 * alias.c (rest_of_handle_cfg): Ditto.
15442 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15443 * profile.c (rest_of_handle_branch_prob): Ditto.
15444 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15445 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15446 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15447 * tree-dfa.c (find_referenced_vars): Ditto.
15448 * except.c (set_nothrow_function_flags): Ditto.
15449 (convert_to_eh_region_ranges): Ditto.
15450 (rest_of_handle_eh): Ditto.
15451 * emit-rtl.c (unshare_all_rtl): Ditto.
15452 (remove_unnecessary_notes): Ditto.
15453 * except.h (set_nothrow_function_flags): Ditto.
15454 (convert_to_eh_region_ranges): Ditto.
15455 * cfgexpand.c (tree_expand_cfg): Ditto.
15456 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15457 * tree-ssa-pre.c (do_pre): Ditto.
15458 (execute_fre): Ditto.
15459 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15460 (rest_of_handle_jump2): Ditto.
15461 * tree-sra.c (tree_sra): Ditto.
15462 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15463 (execute_mudflap_function_decls): Ditto.
15464 * tree-ssa-copy.c (do_copy_prop): Ditto.
15465 (do_store_copy_prop): Ditto.
15466 * ipa-prop.h (ipcp_driver): Ditto.
15467 * cfglayout.c (insn_locators_initialize): Ditto.
15468 * tree-ssa-forwprop.c
15469 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15470 * cfglayout.h (insn_locators_initialize): Ditto.
15471 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15472 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15473 (execute_late_warn_uninitialized): Ditto.
15474 * rtl.h (cleanup_barriers): Ditto.
15475 (split_all_insns_noflow): Ditto.
15476 (purge_line_number_notes): Ditto.
15477 (unshare_all_rtl): Ditto.
15478 (remove_unnecessary_notes): Ditto.
15479 (recompute_reg_usage): Ditto.
15480 (variable_tracking_main): Ditto.
15481 * integrate.c (emit_initial_value_sets): Ditto.
15482 * integrate.h (emit_initial_value_sets): Ditto.
15483 * tree-optimize.c (execute_free_datastructures): Ditto
15484 (execute_free_cfg_annotations): Ditto.
15485 (execute_fixup_cfg): Ditto.
15486 (execute_cleanup_cfg_pre_ipa): Ditto.
15487 (execute_cleanup_cfg_post_optimizing): Ditto.
15488 (execute_init_datastructures): Ditto.
15489 * tree-object-size.c (compute_object_sizes): Ditto.
15490 * combine.c (rest_of_handle_combine): Ditto.
15491 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15492 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15493 (rest_of_handle_reorder_blocks): Ditto.
15494 (rest_of_handle_partition_blocks): Ditto.
15495 * var-tracking.c (variable_tracking_main): Ditto.
15496 * tree-profile.c (tree_profiling): Ditto.
15497 * tree-vect-generic.c (expand_vector_operations): Ditto.
15498 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15499 * sched-rgn.c (rest_of_handle_sched): Ditto.
15500 (rest_of_handle_sched2): Ditto.
15501 * basic-block.h (free_bb_insn): Ditto.
15502 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15503 * tree-cfg.c (execute_build_cfg): Ditto.
15504 (remove_useless_stmts): Ditto.
15505 (split_critical_edges): Ditto.
15506 (execute_warn_function_return): Ditto.
15507 (execute_warn_function_noreturn): Ditto.
15508 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15509 * cfgrtl.c (free_bb_for_insn): Ditto.
15510 * passes.c (execute_one_pass): Run additional
15511 todos returned by execute function.
15512 * tree-pass.h (struct tree_opt_pass): Make execute
15515 2006-03-02 Richard Guenther <rguenther@suse.de>
15517 * tree-ssa-alias.c (find_used_portions): Consider taking
15518 the address as making the variable not write-only.
15520 2006-03-02 Nick Clifton <nickc@redhat.com>
15522 * config.gcc (default_use_cxa_atexit): Extend the description of
15523 this configure variable. Set its default value to "yes" for
15524 Linux, NetBSD and ELF targets on the assumption that they will
15525 use C libraries with the __cxa_atexit function.
15527 2006-03-02 Ben Elliston <bje@au.ibm.com>
15529 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15530 parameter as unused to suppress a build warning.
15532 2006-03-02 Ben Elliston <bje@au.ibm.com>
15534 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15537 2006-03-01 Roger Sayle <roger@eyesopen.com>
15540 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15541 declared name, the weak reference name, and the typeof name.
15542 (__gthrw): Avoid expanding the declared name suffix.
15543 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15545 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15547 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15549 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15550 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15551 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15552 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15553 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15554 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15555 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15556 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15557 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15558 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15559 (DW_END_default, DW_END_big, DW_END_little): New.
15560 (DW_END_lo_user, DW_END_hi_user): Define.
15561 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15562 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15563 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15566 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15568 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15570 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15572 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15574 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15576 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15577 to 'symbol_mem_tag'.
15579 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15582 2006-03-01 Roger Sayle <roger@eyesopen.com>
15584 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15586 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15589 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15590 MACHO_DYNAMIC_NO_PIC_P.
15591 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15593 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15596 * config/darwin-protos.h (darwin_asm_output_anchor):
15598 * config/darwin-sections.def (cstring_section):
15599 Add SECTION_MERGE to the flags.
15600 (literal4_section): Likewise.
15601 (literal8_section): Likewise.
15602 (objc_selector_refs_section): Likewise.
15603 (objc_cls_refs_section): Likewise.
15604 * config/darwin.c (darwin_asm_output_anchor): New
15606 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15608 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15610 Fix PR tree-optimization/26443
15611 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15612 to todo and PROP_tmt_usage to properties_destroyed.
15613 * tree-ssa-ccp.c (pass_ccp): Ditto.
15614 (pass_store_ccp): Ditto.
15615 * tree-ssa-dom.c (pass_dominator): Ditto.
15617 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15619 * tree-ssa-operands.c: Cleanup whitespace.
15620 (get_asm_expr_operands): Move before first invocation.
15621 (get_indirect_ref_operands): Likewise.
15622 (get_tmr_operands): Likewise.
15623 (get_call_expr_operands): Likewise.
15624 (append_def): Likewise.
15625 (append_use): Likewise.
15626 (append_v_may_def): Likewise.
15627 (append_v_must_def): Likewise.
15628 (add_call_clobber_ops): Likewise.
15629 (add_call_read_ops): Likewise.
15630 (add_stmt_operand): Likewise.
15631 (add_virtual_operand): Likewise.
15632 (build_ssa_operands): Likewise.
15634 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15636 PR middle-end/26022
15638 PR middle-end/24437
15639 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15640 with a call expr to ...
15641 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15643 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15645 * tree-vrp.c (extract_range_from_assert): Remove special
15646 handling for types with super-types.
15648 2006-03-01 Ben Elliston <bje@au.ibm.com>
15650 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15651 and powerpc64-*-linux* configurations.
15652 * config/t-dfprules: New file.
15654 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15655 Compile dfp-bit.c from the source directory using -DWIDTH and
15656 $DFP_CFLAGS to control the compilation of that file, rather than
15657 generating width-specific versions in the build directory.
15658 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15659 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15661 2006-02-28 Zack Weinberg <zackw@panix.com>
15663 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15666 2006-02-28 Eric Christopher <echristo@apple.com>
15668 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15669 Set up IN_LIBGCC definition of TARGET_64BIT.
15670 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15672 2006-02-28 Roger Sayle <roger@eyesopen.com>
15674 PR middle-end/14752
15675 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15676 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15677 cases via the construction of "expr != 0".
15679 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15681 * alias.c (alias_invariant, alias_invariant_size): Remove.
15682 (record_base_value): Remove.
15683 (memrefs_conflict_p): Don't look at alias_invariant.
15684 (end_alias_analysis): Don't free it.
15685 * alias.h (record_base_value): Remove prototype.
15687 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15688 Adam Nemet <anemet@caviumnetworks.com>
15690 * rtl.h (truncated_to_mode): Declare it.
15691 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15692 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15693 (RTL_HOOKS_INITIALIZER): Include it.
15694 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15695 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15696 reg_truncated_to_mode.
15697 * rtlanal.c (truncated_to_mode): Define it.
15698 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15700 2006-02-28 Jeff Law <law@redhat.com>
15702 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15703 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15704 the range allowed by TYPE_PRECISION.
15706 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15708 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15710 PR tree-optimization/26419
15711 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15714 2006-02-27 Zack Weinberg <zackw@panix.com>
15716 * doc/md.texi: Fix typo in previous change.
15718 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15722 2006-02-27 Zack Weinberg <zackw@panix.com>
15724 * rtl.def (define_constraint, define_register_constraint)
15725 (define_memory_constraint, define_address_constraint): New MD forms.
15726 * gensupport.c (process_rtx): Put define_constraint etc on the
15728 * genpreds.c (process_define_predicate): Adjust comment. Validate
15729 the name, and call validate_exp to validate the expression.
15730 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15731 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15732 all callers changed.
15733 (validate_exp, needs_variable, struct constraint_data)
15734 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15735 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15736 (const_dbl_constraints, constraint_max_namelen)
15737 (have_register_constraints, have_memory_constraints)
15738 (have_address_constraints, have_address_constraints)
15739 (have_extra_constraints, have_const_int_constraints)
15740 (have_const_dbl_constraints, mangle, add_constraint)
15741 (process_define_constraint, process_define_register_constraint)
15742 (write_enum_constraint_num, write_lookup_constraint)
15743 (write_insn_constraint_len, write_regclass_for_constraint)
15744 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15745 (write_insn_extra_memory_constraint)
15746 (write_insn_extra_address_constraint)
15747 (write_satisfies_constraint_fns): New.
15748 (write_tm_preds_h): If we have new-style constraint definitions,
15749 prototype the functions generated from them, and define the
15750 old constraint interface (still used by generic code) in terms of
15752 (write_insn_preds_c): If we have new-style constraint definitions,
15753 generate all relevant functions from those definitions.
15754 (main): Handle define_constraint etc.
15755 * genoutput.c (struct constraint_data, indep_constraints)
15756 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15757 (mdep_constraint_len): New data structures and functions, defined
15758 #ifdef USE_MD_CONSTRAINTS.
15759 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15760 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15761 use new logic to validate operand constraints against constraint
15763 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15765 * defaults.h: If none of the old-style constraint macros are
15766 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15767 old-style macros; and poison REG_CLASS_FROM_LETTER,
15768 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15770 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15771 * doc/md.texi: Document new constraint-definition mechanism and the
15772 C interface it provides. Remove references to old mechanism
15773 elsewhere in the document.
15774 (Machine Constraints): Use pathnames relative to gcc directory,
15775 i.e. config/ARCH/FILE. Change i386 section to refer to
15776 config/i386/predicates.md; update that section to match docstrings.
15777 * doc/tm.texi: Move all documentation of the old constraint-
15778 definition macros to their own section, clearly mark as obsolete.
15780 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15781 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15783 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15784 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15785 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15786 constraint strings.
15787 (splits and peepholes): Use satisfies_constraint_*.
15788 * config/i386/i386.c (memory_address_length)
15789 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15791 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15793 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15794 scalar operation to be put back into the loop.
15796 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15799 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15800 (extract_cie_info): Handle S flag in augmentation string.
15801 (execute_cfa_program): If context->signal_frame, execute also
15802 fs->pc == context->ra instructions.
15803 (uw_frame_state_for): If context->signal_frame, don't subtract one
15804 from context->ra to find FDE.
15805 (uw_update_context_1): Set context->signal_frame to
15807 (_Unwind_GetIPInfo): New function.
15808 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15809 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15811 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15812 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15813 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15814 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15815 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15816 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15817 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15818 x86_64_fallback_frame_state): Set fs->signal_frame.
15819 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15820 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15821 (frob_update_context): Likewise. Workaround missing S flag in
15822 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15823 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15824 Remove the psw_addr + 1 hack.
15826 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15828 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15829 with aggregates here.
15830 (find_func_aliases): Remove code for &<aggregate> from here.
15832 2006-02-26 Roger Sayle <roger@eyesopen.com>
15834 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15835 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15836 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15837 as (X & C) ne/eq 0.
15839 2006-02-26 Roger Sayle <roger@eyesopen.com>
15841 PR middle-end/19983
15842 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15844 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15846 * opts.c (decode_options): Do not handle flag_strength_reduce.
15847 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15848 and OPT_fstrength_reduce.
15849 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15850 flag_prefetch_loop_arrays for being nonzero.
15851 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15853 (fprefetch-loop-arrays-rtl): Removed.
15854 (flag_prefetch_loop_arrays): Do not specify the value.
15856 * doc/passes.texi: Update documentation of loop optimizer
15858 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15859 -frerun-loop-opt): Remove.
15861 2006-02-26 Richard Guenther <rguenther@suse.de>
15863 PR tree-optimization/26421
15864 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15865 in function calls that are ADDR_EXPRs as using the whole structure.
15867 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15869 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15870 * tree-pass.h (pass_loop_optimize): Remove.
15871 * passes.c (pass_loop_optimize): Never run it.
15872 * toplev.c (backend_init): Don't call init_loop.
15873 * opts.c (flag_loop_optimize_set): Remove.
15874 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15875 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15876 the old RTL loop optimizer when profiling enabled.
15877 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15878 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15879 pre-headers for the sake of the old RTL loop optimizer.
15880 * Makefile.in: Remove all references to loop.o.
15882 * doc/invoke.texi: Remove all references to -floop-optimize
15883 and -frerun-loop-opt.
15885 2006-02-26 Zack Weinberg <zackw@panix.com>
15887 * doc/md.texi (Machine Constraints): Refer to all files with paths
15888 relative to gcc directory (i.e. config/CPU/file). Add missing
15889 @table @code ... @end table to M32C subsection.
15891 2006-02-26 Roger Sayle <roger@eyesopen.com>
15893 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15895 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15897 2006-02-26 Roger Sayle <roger@eyesopen.com>
15898 James A. Morrison <phython@gcc.gnu.org>
15900 PR middle-end/21137
15901 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15902 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15903 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15904 signedness of the shift operation.
15906 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15908 PR tree-optimization/26359
15909 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15911 2006-02-25 Roger Sayle <roger@eyesopen.com>
15913 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15914 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15915 as X == 0, and some symmetry related transformations.
15916 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15918 2006-02-25 Roger Sayle <roger@eyesopen.com>
15920 PR middle-end/23673
15921 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15922 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15923 symmetry related transformations. Fold (X^C1) == C2 as
15926 2006-02-25 Juergen Weigert <jw@suse.de>
15927 Richard Guenther <rguenther@suse.de>
15929 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15931 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15933 * combine.c (gen_lowpart_or_truncate): Call
15934 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15936 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15938 * doc/invoke.texi: Move -fopenmp description to "Options for
15940 Remove reference to -lgomp.
15942 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15944 * doc/install.texi: Require GNU tar version 1.14.
15946 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15948 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15949 * doc/invoke.texi (C++ Dialect Options): Document
15950 -fno-use-cxa-get-exception-ptr.
15951 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15952 * configure: Regenerate.
15953 * c.opt (fuse-cxa-get-exception-ptr): New.
15954 * c-opts.c (c_common_handle_option): Handle
15955 OPT_fuse_cxa_get_exception_ptr.
15956 * c-common.c (flag_use_cxa_atexit): Update documentation.
15957 (flag_use_cxa_get_exception_ptr): New.
15958 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15959 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15961 (C_COMMON_OVERRIDE_OPTIONS): New.
15963 2006-02-24 Roger Sayle <roger@eyesopen.com>
15965 PR middle-end/24952
15966 * combine.c (try_combine): Explicitly check whether GET_CODE is
15967 a SET or a CLOBBER, instead on checking that it isn't a USE.
15969 2006-02-24 Roger Sayle <roger@eyesopen.com>
15971 * fold-const.c (fold_comparison): New subroutine of fold_binary
15972 containing transformations common to both the equality and
15973 ordering relational operators, factored out of fold_binary.
15974 (fold_binary): Separate out the equality operators (EQ_EXPR
15975 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15976 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15977 transformations common to both.
15978 (fold_div_compare): Fix latent bugs in the previously unreachable
15979 LT_EXPR and GE_EXPR cases.
15981 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15983 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15984 decl libname for clog to __clog on AIX.
15986 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15988 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15991 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15992 output traceback table for thunks. Localise rs6000_stack_info call.
15994 2006-02-23 Roger Sayle <roger@eyesopen.com>
15995 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15997 * gthr-posix.h (__gthrw): Fix typo in comment.
15999 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16001 * doc/cpp.texi (Character sets): Document that we do support
16002 input files to be in any character set.
16004 2006-02-23 Jeff Law <law@redhat.com>
16006 * tree.h (PHI_ARG_NONZERO): Remove.
16007 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16008 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16009 node to the new node.
16011 PR tree-optimization/26425
16012 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16013 min/max, then assume its varying.
16015 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16017 PR rtl-optimization/26316
16018 * rtlanal.c (enum may_trap_p_flags): New.
16019 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16020 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16021 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16022 (may_trap_after_code_motion_p): New function.
16023 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16024 (find_invariant_insn): Use may_trap_after_code_motion_p.
16025 * rtl.h (may_trap_after_code_motion_p): Declare.
16027 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16029 * emit-rtl.c (immed_double_const): Cleanup.
16031 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16033 Fix PR tree-optimization/26376
16034 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16037 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16039 PR middle-end/26412
16040 * gimplify.c (omp_add_variable): Guard variable size decl test with
16041 DECL_SIZE (decl) check.
16043 2006-02-23 Richard Guenther <rguenther@suse.de>
16045 PR middle-end/26439
16046 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16047 like aggregate types.
16049 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16051 * configure.ac: Add --with{,out}-long-double-128 configure option.
16052 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16053 * configure: Rebuilt.
16054 * config.in: Rebuilt.
16055 * doc/install.texi (Options specification): Document
16056 --with-long-double-128.
16058 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16059 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16060 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16061 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16063 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16065 * config/s390/s390.c (override_options): Handle
16066 TARGET_DEFAULT_LONG_DOUBLE_128.
16068 * config/alpha/alpha.c (override_options): Handle
16069 TARGET_DEFAULT_LONG_DOUBLE_128.
16071 * config/sparc/sparc.c (sparc_override_options): Handle
16072 TARGET_DEFAULT_LONG_DOUBLE_128.
16074 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16076 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16077 (real-install-headers-tar, real-install-headers-cpio)
16078 (real-install-headers-cp): New targets.
16080 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16082 * tree.h (variable_section): Delete.
16083 * varasm.c (variable_section): Delete.
16085 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16087 * install.texi: Add notes on install.texi2html.
16088 (Building in parallel): Do not use footnotes.
16090 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16093 * doc/install.texi (Configuration): Document --disable-libgomp.
16095 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16097 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16099 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16101 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16102 (vec_extractv2df_0_sse): New.
16104 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16106 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16107 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16108 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16109 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16110 to the result of the expression.
16111 (def_cfa_1): Adjust.
16112 (frame_pointer_cfa_offset): Rename to...
16113 (frame_pointer_fb_offset): ... this. Adjust all uses.
16114 (convert_cfa_to_loc_list): Rename to...
16115 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16116 Pass it on to build_cfa_loc.
16117 (compute_frame_pointer_to_cfa_displacement): Rename to...
16118 (compute_frame_pointer_to_fb_displacement): ... this. New
16119 offset parameter. Use it in computation.
16120 (gen_subprogram_die): Compute cfa_fb_offset with the new
16121 macro, and use it to compute the fb loc list and the
16124 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16126 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16127 replaced with register_operand.
16128 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16129 non-DREG is expensive.
16130 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16131 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16134 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16136 * doc/install.texi2html: Use set -e.
16138 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16140 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16141 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16142 * doc/invoke.texi (-fshared-data): Delete.
16143 * common.opt (fshared-data): Delete.
16144 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16145 (assemble_static_space): Remove #if 0 code.
16146 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16147 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16148 * config/cris/cris.h: Remove FIXME.
16150 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16152 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16155 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16157 PR middle-end/26379
16158 * combine.c (simplify_shift_const_1): Disable nested shifts
16159 optimization for vector shifts.
16161 2006-02-20 Roger Sayle <roger@eyesopen.com>
16163 PR tree-optimization/26361
16164 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16165 of unsigned integer types.
16167 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16169 * tree-chrec.c (eq_evolutions_p): New.
16170 * tree-chrec.h (eq_evolutions_p): Declared.
16171 * tree-data-ref.c: Fix formatting.
16172 (datadep_stats, dependence_stats): New.
16174 (print_direction_vector): New.
16175 (dump_data_dependence_relation): Use print_direction_vector.
16176 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16177 (compute_subscript_distance): Static.
16178 (initialize_data_dependence_relation): Static. Get the number
16179 of loops surrounding the references from the callers, and initialize
16180 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16181 base_object_differ_p analyzers.
16182 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16183 compute_overlap_steps_for_affine_1_2,
16184 analyze_subscript_affine_affine): Count the classified dependences.
16185 Print a message when a test failed.
16186 (can_use_analyze_subscript_affine_affine): New.
16187 (analyze_siv_subscript): Compute the data dependences on symbolic
16188 scevs that verify can_use_analyze_subscript_affine_affine.
16189 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16190 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16191 Handle symbolic scevs.
16192 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16194 (subscript_dependence_tester): Moved...
16195 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16196 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16197 DDR_SIZE_VECT instead of getting it in parameter.
16198 (subscript_dependence_tester): ... here. Take as a parameter
16199 loop_nest_depth. Call build_classic_dist_vector and
16200 build_classic_dir_vector.
16201 (compute_affine_dependence): Update subscript_dependence_tester
16202 parameters. Update datadep_stats counters. Call
16203 compute_subscript_distance.
16204 (compute_self_dependence): Save the dist and dir vectors. Call
16205 compute_subscript_distance.
16206 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16207 (compute_all_dependences): Reorder parameters as they were before
16208 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16209 compute_subscript_distance. Update the use of
16210 compute_affine_dependence and initialize_data_dependence_relation.
16211 (find_data_references_in_loop): Handle COMPONENT_REF.
16212 (compute_data_dependences_for_loop): Initialize dependence_stats.
16213 Don't call build_classic_dist_vector and build_classic_dir_vector.
16214 Update the parameters of initialize_data_dependence_relation and
16215 compute_all_dependences. Print the statistics from datadep_stats.
16216 (analyze_all_data_dependences): Static. Not used until the pass for
16217 checking the data dependences is contributed.
16218 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16219 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16220 (initialize_data_dependence_relation, compute_affine_dependence,
16221 analyze_all_data_dependences, compute_subscript_distance): Removed.
16222 (print_direction_vector): New.
16223 * lambda.h (gcd): ... here.
16224 (lambda_vector_gcd): Moved here from gcd_vector.
16225 * lambda-code.c (gcd, gcd_vector): Removed.
16226 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16227 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16229 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16231 * ipa-type-escape.c: Tidy some comments and white space.
16232 * tree-ssa-operands.c: Likewise.
16234 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16237 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16238 (dump_decl_name): Do not walk the decl tree chains.
16239 * tree-pass.h (TDF_CHAIN): Remove.
16241 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16243 * Makefile.in (C): Remove
16245 (.PHONY): Remove C and PROTO
16247 2006-02-20 Roger Sayle <roger@eyesopen.com>
16249 PR middle-end/26236
16250 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16251 deprecated CHAR_TYPE tree code.
16253 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16255 * configure.ac (target_list): Add install-info, dvi, html.
16256 * configure: Regenerate.
16258 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16259 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16260 treelang/Make-lang.in: Do not use double-colon rules.
16262 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16264 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16265 (TMT_USED_ALONE): New macro.
16266 * tree-pass.h (PROP_tmt_usage): New property.
16267 (TODO_update_tmt_usage): New todo.
16268 * tree-ssa-alias.c (updating_used_alone): New variable.
16269 (recalculate_used_alone): New function.
16270 (compute_may_aliases): Set updating_used_alone, call
16271 recalculate_used_alone.
16272 * tree-sra.c (pass_sra): Note that this pass destroys
16273 PROP_tmt_usage, and add TODO_update_tmt_usage.
16274 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16275 * tree-flow.h (updating_used_alone): Prototype.
16276 (recalculate_used_alone): Ditto.
16277 * passes.c (execute_todo): Add code to set updating_used_alone,
16278 and call recalculate.
16279 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16280 for clobber if used alone, and add assert to verify used_alone
16283 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16285 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16286 for non tls symbols added.
16287 (legitimize_address): Do nothing for PLUS expressions if one of the
16288 addends is a tls symbol reference.
16290 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16294 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16296 * Makefile.in (BOOTSTRAPPING): New.
16297 (quickstrap): New definition if BOOTSTRAPPING=yes.
16299 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16300 * configure.ac: Substitute all_selected_languages with the languages
16301 that were configured. For all the other variables except
16302 lang_specs_files, include all the languages in the tree.
16303 * configure: Regenerate.
16305 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16306 if there is one. Run the commands to run fixincludes in the same
16309 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16310 * doc/install.texi: Document exact conventions for searching target tools.
16311 Document --with-build-time-tools. Document toplevel bootstrap. Document
16312 something more about building an Ada cross-compiler. Don't list GNU Make
16313 requirements which affect all platforms.
16315 2006-02-19 Roger Sayle <roger@eyesopen.com>
16317 PR middle-end/19543
16318 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16319 only equivalent if the have both the same mode and precision.
16321 2006-02-20 Ben Elliston <bje@au.ibm.com>
16323 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16325 2006-02-19 Roger Sayle <roger@eyesopen.com>
16326 Steven Bosscher <stevenb.gcc@gmail.com>
16328 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16329 constant pool references to identify stack mode constants.
16330 * rtlanal.c (constant_pool_constant_p): New predicate to check
16331 whether operand is a floating point constant in the pool.
16332 * rtl.h (constant_pool_constant_p): Prototype here.
16333 * loop.c (scan_loop): Avoid hoisting constants from the constant
16334 pool on STACK_REGS targets.
16335 (load_mems): Likewise.
16336 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16337 loads into x87 registers expensive in terms of register pressure.
16339 2006-02-19 Roger Sayle <roger@eyesopen.com>
16341 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16342 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16344 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16346 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16347 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16349 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16351 * doc/invoke.texi: Document -fipa-pta.
16352 * common.opt: Add ipa-pta option.
16353 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16354 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16355 (do_ds_constraint): Ditto.
16356 (get_constraint_for): Only add to referenced_vars if
16357 referenced_vars exists.
16358 (insert_into_field_list): Rewrite to do this unsorted.
16359 (insert_into_field_list_sorted): Rename old insert_into_field_list
16361 (create_function_info_for): Use insert_into_field_list_sorted.
16362 (create_variable_info_for): Rewrite so it uses unsorted version,
16363 since the field list is sorted.
16364 (intra_create_variable_infos): Only add to referenced_vars if
16365 referenced_vars exists.
16366 (ipa_pta_execute): Init heapvars, and delete when done.
16367 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16369 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16371 * doc/install.texi: Add missing `@samp'.
16373 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16375 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16378 2006-02-18 Mark Wielaard <mark@klomp.org>
16380 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16381 who added new 4.1 features, bug fixes and integration support.
16383 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16386 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16387 MEM for ABI_V4 pic.
16389 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16391 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16392 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16393 (copy_insn_1): Likewise. Don't copy each field individually.
16395 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16397 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16398 * rtl.c (rtx_size): Rename variable to...
16399 (rtx_code_size): ...this.
16400 (rtx_size): New function.
16401 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16402 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16404 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16405 * rtl.h (rtx_code_size): New variable.
16406 (rtx_size): Change from a variable to a function.
16407 (RTX_SIZE): Rename to...
16408 (RTX_CODE_SIZE): ...this.
16411 PR tree-optimization/17106
16412 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16413 (Anchored Addresses): New section.
16414 * doc/invoke.texi (-fsection-anchors): Document.
16415 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16416 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16417 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16418 * hooks.c (hook_bool_mode_rtx_false): New function.
16419 * hooks.h (hook_bool_mode_rtx_false): Declare.
16420 * gengtype.c (create_optional_field): New function.
16421 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16422 SYMBOL_REF_IN_BLOCK_P is true.
16423 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16424 (min_anchor_offset, max_anchor_offset): Likewise.
16425 (use_anchors_for_symbol_p): New hook.
16426 * toplev.c (compile_file): Call output_object_blocks.
16427 (target_supports_section_anchors_p): New function.
16428 (process_options): Check that -fsection-anchors is only used on
16429 targets that support it and when -funit-at-a-time is in effect.
16430 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16431 if the decl doesn't have one.
16432 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16433 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16434 of force_const_mem through use_anchored_address.
16435 (expand_expr_constant): New function.
16436 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16437 calling expand_expr for INDIRECT_REF.
16438 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16439 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16440 * expr.h (use_anchored_address): Declare.
16441 * loop-unroll.c: Don't declare rtx vectors here.
16442 * explow.c: Include output.h.
16443 (validize_mem): Call use_anchored_address.
16444 (use_anchored_address): New function.
16445 * common.opt (-fsection-anchors): New switch.
16446 * varasm.c (object_block_htab, anchor_labelno): New variables.
16447 (hash_section, object_block_entry_eq, object_block_entry_hash)
16448 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16449 (use_blocks_for_decl_p, change_symbol_section): New functions.
16450 (get_variable_section): New function, split out from assemble_variable.
16451 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16452 use_blocks_for_decl_p say so. Use change_symbol_section if the
16453 symbol has already been created.
16454 (assemble_variable_contents): New function, split out from...
16455 (assemble_variable): ...here. Don't output any code for
16456 block symbols; just pass them to place_block_symbol.
16457 Use get_variable_section and assemble_variable_contents.
16458 (get_constant_alignment, get_constant_section, get_constant_size): New
16459 functions, split from output_constant_def_contents.
16460 (build_constant_desc): Create a block symbol if use_object_blocks_p
16461 says so. Or into SYMBOL_REF_FLAGS.
16462 (assemble_constant_contents): New function, split from...
16463 (output_constant_def_contents): ...here. Don't output any code
16464 for block symbols; just pass them to place_section_symbol.
16465 Use get_constant_section and get_constant_alignment.
16466 (force_const_mem): Create a block symbol if use_object_blocks_p and
16467 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16468 (output_constant_pool_1): Add an explicit alignment argument.
16469 Don't switch sections here.
16470 (output_constant_pool): Adjust call to output_constant_pool_1.
16471 Switch sections here instead. Don't output anything for block symbols;
16472 just pass them to place_block_symbol.
16473 (init_varasm_once): Initialize object_block_htab.
16474 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16475 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16476 (place_block_symbol, get_section_anchor, output_object_block)
16477 (output_object_block_htab, output_object_blocks): New functions.
16478 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16479 (TARGET_ASM_OUT): Include it.
16480 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16481 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16482 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16483 (TARGET_INITIALIZER): Include them.
16484 * rtl.c (rtl_check_failed_block_symbol): New function.
16485 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16486 (block_symbol, object_block): New structures.
16487 (rtx_def): Add a block_symbol field to the union.
16488 (BLOCK_SYMBOL_CHECK): New macro.
16489 (rtl_check_failed_block_symbol): Declare.
16490 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16491 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16492 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16493 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16494 * output.h (output_section_symbols): Declare.
16495 (object_block): Name structure.
16496 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16497 (default_use_anchors_for_symbol_p): Declare.
16498 * Makefile.in (RTL_BASE_H): Add vec.h.
16499 (explow.o): Depend on output.h.
16500 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16501 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16502 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16503 (rs6000_use_blocks_for_constant_p): New function.
16505 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16507 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16509 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16512 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16515 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16517 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16521 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16523 PR middle-end/26334
16524 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16525 instead of DECL_REGISTER.
16527 2006-02-18 Olivier Hainque <hainque@adacore.com>
16530 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16532 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16535 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16536 * opth-gen.awk: Handle Var and InverseMask together.
16537 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16538 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16539 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16540 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16542 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16543 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16544 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16545 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16546 LINUX_DYNAMIC_LINKER): Define.
16547 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16548 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16550 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16551 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16552 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16554 (TARGET_C99_FUNCTIONS): Don't define.
16555 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16556 GLIBC_DYNAMIC_LINKER.
16557 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16558 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16559 GLIBC_DYNAMIC_LINKER64): Define.
16560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16561 LINUX_DYNAMIC_LINKER64.
16562 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16564 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16566 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16568 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16569 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16570 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16572 and LINUX_DYNAMIC_LINKER32.
16573 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16575 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16577 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16579 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16580 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16581 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16582 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16583 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16584 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16585 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16586 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16587 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16588 LINUX_DYNAMIC_LINKER): Define.
16589 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16590 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16591 GLIBC_DYNAMIC_LINKER64): Define.
16592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16593 LINUX_DYNAMIC_LINKER64.
16594 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16595 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16596 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16597 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16598 LINUX_DYNAMIC_LINKER): Define.
16599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16600 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16601 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16602 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16603 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16604 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16605 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16606 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16607 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16608 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16610 * doc/invoke.texi (-muclibc): Remove caveat about supported
16613 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16615 * doc/cpp.texi (__TIMESTAMP__): Document.
16617 2006-02-17 Roger Sayle <roger@eyesopen.com>
16619 PR middle-end/25600
16620 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16621 C is one less than the width of X (and related transformations).
16622 * simplify-rtx.c (simplify_unary_operation_1): Transform
16623 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16624 depending on STORE_FLAG_VALUE, were C is one less then the
16627 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16629 Fix PR tree-optimization/26341
16630 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16631 about NAME_MEMORY_TAG's.
16633 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16636 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16637 with hardware float support, and software float support. Add fcpy
16638 alternative to hardware patterns. Add alternatives to copy between
16639 general and floating-point registers to the 32-bit pattern.
16640 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16641 secondary reload to load a QI or HI mode constant into a floating
16643 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16644 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16646 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16649 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16651 (load_macho_picbase_di): Likewise.
16653 2006-02-16 Jeff Law <law@redhat.com>
16655 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16656 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16657 (ssa_name_nonzero_p): Likewise.
16658 (get_value_range): Return NULL if VRP is not running.
16659 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16660 VRP routines do not discover a range.
16661 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16662 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16663 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16664 (tree_expr_nonnegative_p): Similarly.
16665 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16666 (restore_nonzero_vars_to_original_value): Remove.
16667 (unsafe_associative_fp_binop): Remove.
16668 (tree_ssa_dominator_optimize): Remove initialization and
16669 finalization of nonzero_vars and nonzero_vars_stack.
16670 (dom_opt_initialize_block): No longer push marker on
16671 nonzero_vars_stack.
16672 (dom_opt_finalize_block): No longer call
16673 restore_nonzero_vars_to_original_value.
16674 (record_equivalences_from_phis): No longer look for
16675 nonzero PHI arguments.
16676 (cprop_into_successor_phis): No longer propagate nonzero
16677 property into PHI arguments. Lose unused argument. Caller
16679 (record_equivalences_from_stmt): No longer record nonzero
16680 values for SSA_NAMEs.
16681 (lookup_avail_expr): No longer use nonzero_vars.
16683 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16684 for sizetype when sizetype is unsigned.
16686 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16688 PR rtl-optimization/25603
16689 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16690 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16691 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16692 with new meaning of SETS.
16694 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16699 * config/linux.opt: New file.
16700 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16701 LINUX_DYNAMIC_LINKER): Define.
16702 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16703 * config.gcc (*-*-linux*): Define extra_options.
16704 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16705 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16706 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16707 GLIBC_DYNAMIC_LINKER.
16708 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16709 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16710 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16712 * doc/invoke.texi (GNU/Linux Options): New section.
16714 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16716 * config/sparc/sparc.md (setjmp): Rewrite.
16717 (setjmp_32): Delete.
16718 (setjmp_64): Likewise.
16720 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16722 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16725 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16727 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16730 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16732 PR rtl-optimization/26296
16733 * Makefile.in (loop-invariant.c): Add except.h dependency.
16734 * loop-invariant.c: Include except.h.
16735 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16737 2005-02-16 Paul Brook <paul@codesourcery.com>
16739 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16742 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16744 PR rtl-optimization/25636
16745 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16746 when deciding whether an insn is an initializing insn.
16748 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16750 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16751 (tree_code_size): Ditto.
16752 * tree.h (struct tree_memory_tag): Remove parent_var.
16753 (struct tree_struct_field_tag): New.
16756 (union tree_node): Add sft member.
16757 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16759 (create_sft): Add size and offset argument, set SFT_OFFSET and
16761 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16762 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16763 * tree-flow-inline.h (get_subvar_at): Update for
16764 SFT_OFFSET/SFT_SIZE.
16765 (var_can_have_subvars): Ditto.
16766 (overlap_subvar): Ditto.
16767 * print-tree.c (print_node): Print out interesting things for
16769 * tree-flow.h (struct subvar): Remove offset and size members.
16770 * tree-ssa-operands.c (get_expr_operands): Update for
16771 get_indirect_ref_operands changes.
16772 (get_indirect_ref_operands): Call add_virtual_operand instead of
16773 add_stmt_operand. Only recurse on base var if requested.
16774 (access_can_touch_variable): New function.
16775 (add_stmt_operand): Split virtual operand handling into ...
16776 (add_virtual_operand): Here. Add offset, size, and for_clobber
16777 arguments. Prune alias sets.
16778 (add_call_clobber_ops): Call add_virtual_operand.
16780 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16782 PR middle-end/26300
16783 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16785 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16786 than TREE_CODE as index into omp_clause_num_ops array.
16788 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16790 PR rtl-optimization/26184
16791 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16793 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16794 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16795 must_precede, must_follow and tobe_scheduled.
16798 * opts.c (common_handle_option): Free new_option pointer.
16799 * df-core.c (df_analyze): Free postorder pointer.
16801 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16803 * Makefile.in: Fix the examples about the use of stamps
16805 2006-02-15 Michael Matz <matz@suse.de>
16807 PR middle-end/22275
16809 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16810 influenced by maximum_field_alignment or DECL_PACKED.
16811 (update_alignment_for_field): Ditto.
16812 (place_field): Ditto.
16813 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16816 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16818 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16819 (debug_flow_info): Pass it.
16820 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16821 * bb-reorder.c (reorder_basic_blocks): Likewise.
16822 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16823 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16824 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16825 * gcse.c (gcse_main, bypass_jumps): Likewise.
16826 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16827 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16828 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16829 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16830 * rtl.h (dump_flow_info): Adjust prototype.
16831 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16832 * var-tracking.c (variable_tracking_main): Likewise.
16833 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16834 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16837 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16839 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16842 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16844 PR tree-optimization/26209
16845 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16846 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16848 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16850 2006-02-14 Roger Sayle <roger@eyesopen.com>
16852 PR middle-end/23670
16853 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16854 (X,Y) and the corresponding symmetry related transformations.
16855 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16856 (X,Y) and its symmetry related transformations.
16858 2006-02-14 Roger Sayle <roger@eyesopen.com>
16860 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16863 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16865 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16867 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16870 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16871 support COMDAT group.
16872 * configure: Regenerate.
16874 2006-02-14 Roger Sayle <roger@eyesopen.com>
16876 PR middle-end/26279
16877 PR middle-end/26280
16878 PR middle-end/26283
16879 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16881 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16883 Fix PR tree-optimization/26260
16885 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16887 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16888 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16889 * tree-ssa-structalias.c (create_variable_info_for): Use
16890 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16892 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16894 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16896 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16897 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16898 of the ending condition.
16899 * tree-ssa-loop-manip.c: Include params.h.
16900 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16901 tree_unroll_loop): New functions.
16902 * tree-pass.h (pass_loop_prefetch): Declare.
16903 * loop.c (rest_of_handle_loop_optimize): Test for
16904 -fprefetch-loop-arrays-rtl.
16905 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16906 * timevar.def (TV_TREE_PREFETCH): New timevar.
16907 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16908 pass_loop_prefetch): New.
16909 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16910 (cleanup_tree_cfg_loop): Call scev_reset.
16911 * common.opt (fprefetch-loop-arrays-rtl): Add.
16912 * tree-ssa-loop-prefetch.c: New file.
16913 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16914 (new_temp_expr_table): Initialize expr_vars.
16915 (free_temp_expr_table): Cleanup expr_vars.
16916 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16917 expressions from being merged into one.
16918 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16919 (struct tree_niter_desc): Add control, bound and cmp fields.
16920 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16922 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16923 (tree-cfgcleanup.o): Add SCEV_H dependency.
16924 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16925 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16927 2006-02-14 Richard Guenther <rguenther@suse.de>
16929 PR tree-optimization/26258
16930 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16931 in PHI argument processing.
16933 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16935 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16936 new expression in the requested machine mode.
16938 2006-02-13 Roger Sayle <roger@eyesopen.com>
16940 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16941 directly, instead let do_compare_rtx_and_jump handle this for us.
16942 * expr.c (expand_expr_real_1): Likewise.
16943 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16944 before do_jump_by_parts_greater.
16945 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16946 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16948 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16950 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16952 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16954 PR rtl-optimization/26235
16955 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16956 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16959 2006-02-13 Jeff Law <law@redhat.com>
16961 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16964 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16966 PR middle-end/26092
16967 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16968 twice if decl is a builtin. When trying again, call get_callee_fndecl
16969 first to verify it is still a builtin.
16971 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16973 * dwarf2out.c (base_type_die): Don't add AT_name here.
16974 (subrange_type_die): Don't add AT_name here.
16975 (modified_type_die): Rearrange code flow. Do add AT_name here.
16977 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16979 PR rtl-optimization/26247
16980 PR rtl-optimization/26248
16981 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16983 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16985 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16986 * config/fixtfdi.c: Likewise.
16987 * config/fixunstfdi.c: Likewise.
16988 * config/floatditf.c: Likewise.
16990 2006-02-13 Roger Sayle <roger@eyesopen.com>
16992 PR middle-end/24427
16993 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16994 into (X,C2) if C1 is a subset of the bits of C2. Transform
16995 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16997 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16999 2006-02-13 Josh Conner <jconner@apple.com>
17002 * varasm.c (function_section): Check for section name before
17003 calling select_section on targets that define
17004 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17005 unlikely_text_section instead of hot_function_section if
17006 first_function_block_is_cold.
17008 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17010 PR middle-end/25335
17011 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17013 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17015 PR rtl-optimization/26222
17016 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17017 after tree->rtl expansion.
17018 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17019 before passing it to emit_move_insn.
17021 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17023 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17025 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17026 Clarify documentation.
17027 * c-common.h (warn_write_strings): Remove.
17028 * c-common.c (warn_write_strings): Likewise.
17029 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17032 2006-02-12 Roger Sayle <roger@eyesopen.com>
17034 PR middle-end/25724
17035 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17036 (do_jump_parts_zero_rtx): New function renamed from
17037 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17038 (do_jump_parts_equality_rtx): New function split out from
17039 do_jump_parts_equality. Old implementation renamed as above.
17040 Call do_jump_parts_zero_rtx if either operand is zero.
17041 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17042 do all of the heavy lifting.
17043 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17044 calling either do_jump_by_parts_greater_rtx or
17045 do_jump_by_parts_equality_rtx.
17046 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17047 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17048 moved to do_compare_rtx_and_jump, call it directly.
17049 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17050 mode argument. Call do_compare_rtx_and_jump.
17051 (emit_case_nodes): Update calls to do_jump_if_equal.
17053 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17055 PR rtl-optimization/26225
17056 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17058 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17060 PR rtl-optimization/26232
17061 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17063 2006-02-11 Jason Merrill <jason@redhat.com>
17066 * tree-inline.c (declare_return_variable): Just don't use the
17067 modify target if it's a gimple complex reg and the return slot
17070 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17072 * doc/contrib.texi: Update my entry.
17074 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17076 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17078 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17080 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17083 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17085 * doc/invoke.texi (-floop-optimize2): Removed.
17086 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17087 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17088 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17089 * common.opt (floop-optimize2): Removed.
17090 (fmove-loop-invariants): Enabled by default.
17092 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17094 * tree-if-conv.c (combine_blocks): Free the result of
17095 get_loop_exit_edges.
17097 2006-02-10 Jeff Law <law@redhat.com>
17099 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17101 PR tree-optimization/26213
17102 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17103 loop trying to follow SSA_NAME_VALUE chains.
17105 2006-02-10 Richard Guenther <rguenther@suse.de>
17107 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17108 deal with structures that end in implicitly variable sized arrays.
17110 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17112 PR rtl-optimization/24762
17113 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17116 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17118 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17119 (struct ivopts_data): Add regs_used field.
17120 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17121 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17122 instead of loop_data->regs_used;
17123 (free_loop_data): Do not free aux fields for loops.
17124 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17125 and tree_ssa_iv_optimize_finalize.
17127 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17129 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17131 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17134 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17135 computing the effective result type.
17137 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17139 PR inline-asm/16194
17140 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17141 (tree_overlaps_hard_reg_set): Declare.
17142 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17143 type and signature to match function type expected by walk_tree.
17144 (tree_overlaps_hard_reg_set): New function.
17145 (decl_conflicts_with_clobbers_p): Rename to:
17146 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17147 Use tree_overlaps_hard_reg_set. Changed caller.
17148 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17149 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17150 * cris.c (cris_md_asm_clobbers): Likewise.
17152 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17154 * reload1.c (emit_input_reload_insns): Delete code that tries to
17155 inherit using find_equiv_reg.
17157 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17159 * c-common.h (flag_const_strings): Don't declare.
17160 * c-common.c (flag_const_strings): Remove.
17161 * c.opt (fconst_strings): Remove.
17162 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17163 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17164 (c_common_init_options): Don't set flag_const_strings.
17165 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17167 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17169 * arm.md (tlobits_cbranch): New pattern.
17170 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17171 testing a single bit.
17173 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17176 * tree-ssa-pre.c (create_component_ref_by_pieces):
17177 Handle RETURN_DECL like VAR_DECL.
17179 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17181 PR middle-end/26134
17182 * fold-const.c (fold_indirect_ref_1): Fold
17183 "*(foo *)&complexfoo" to "__real__ complexfoo"
17184 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17186 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17188 * tree-flow-inline.h (var_can_have_subvars):
17189 Volatile variables should not have subvariables.
17191 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17194 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17195 multiplying unsigned values.
17198 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17200 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17202 2006-02-08 Jason Merrill <jason@redhat.com>
17205 * tree.def: Elaborate on difference from MODIFY_EXPR.
17206 * doc/c-tree.texi (INIT_EXPR): Likewise.
17207 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17208 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17209 (gimplify_target_expr): Likewise.
17210 (gimplify_cond_expr): Remove target handling.
17211 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17212 (gimplify_expr): Clobber it here.
17213 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17214 Do return slot optimization if we have an INIT_EXPR.
17217 * tree-inline.c (declare_return_variable): Also clear
17218 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17221 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17223 PR middle-end/22439
17224 * gimplify.c (gimplify_one_sizepos): Fix typo.
17226 2006-02-08 Jeff Law <law@redhat.com>
17228 PR tree-optimization/21417
17229 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17230 across a backedge if the control statement at the end of the
17231 block is data dependent on other statements in the same block.
17232 (record_temporary_equivalences_from_stmts): Remove over-conservative
17233 test for threading across backedges.
17235 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17236 control statement, handle all three special cases in the same
17237 manner as they all have the same desired solution. No longer
17238 special case edge flag updating when the post dominator is
17241 2006-02-08 Roger Sayle <roger@eyesopen.com>
17243 * tree.def (CHAR_TYPE): Remove.
17244 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17245 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17246 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17247 (gen_string_type_die): Delete unreachable function.
17249 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17250 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17251 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17252 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17253 * builtins.c (type_to_class): Likewise.
17254 * fold-const.c (fold_convert, build_range_check,
17255 merge_ranges): Likewise.
17256 * expr.c (count_type_elements): Likewise.
17257 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17258 * stor-layout.c (layout_type): Likewise.
17259 * ipa-type-escape.c (type_to_consider): Likewise.
17260 * gimplify.c (omp_firstprivatize_type_sizes,
17261 gimplify_type_sizes): Likewise.
17262 * explow.c (promote_mode): Likewise.
17263 * tree-sra.c (is_sra_scalar_type): Likewise.
17264 * varasm.c (output_constant): Likewise.
17265 * tree-inline.c (remap_type_1): Likewise.
17266 * convert.c (convert_to_pointer, convert_to_real,
17267 convert_to_integer, convert_to_complex): Likewise.
17269 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17271 * df-scan.c (df_def_record_1): A set destination may
17272 be a parallel regardless of mode.
17274 2006-02-08 Roger Sayle <roger@eyesopen.com>
17277 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17278 * config/mips/_tilib.c: Remove.
17279 * config/fixtfdi.c: New libgcc source file.
17280 * config/fixunstfdi.c: New source file.
17281 * config/floatditf.c: New source file.
17282 * config/floatunditf.c: New souce file.
17283 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17284 files above instead of config/mips/_tilib.c.
17285 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17287 2006-02-08 Jeff Law <law@redhat.com>
17289 PR tree-optimization/26169
17290 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17293 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17295 * df.h (DF_REG_SIZE): Return the length of the initialized
17298 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17300 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17301 __muldf3): Return a correctly signed zero.
17303 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17305 * passes.c (register_one_dump_file): Accept the current properties
17306 instead of pass number. Adjust call to dump_register. Remove
17308 (register_dump_files): Now a wrapper around...
17309 (register_dump_files_1): ... this one. Do not modify the pass
17311 (next_pass_1): Cosmetic fix.
17312 (execute_todo): Keep second parameter only. Use curr_properties
17313 instead of fetching it from the pass structure. Check and set
17315 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17316 instead of fetching it from the pass structure. Fix calls to
17317 execute_todo. Update curr_properties and initialize .vcg RTL dump
17318 after running the pass. Reset last_verified.
17319 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17321 (FIRST_AUTO_NUMBERED_DUMP): New.
17322 (dump_register): Remove "num" parameter, assign it within the
17324 (get_dump_file_name): Modify template for dumps.
17325 * tree-dump.h (dump_register): Adjust prototype.
17326 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17327 (PROP_trees): Add PROP_gimple_lomp.
17328 (TODO_set_props): New.
17329 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17330 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17331 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17333 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17335 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17336 (sparc64-*-linux*): Likewise.
17337 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17338 * config/sparc/t-linux: New file.
17339 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17340 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17341 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17342 -m32 -mlong-double-128.
17344 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17345 * config/alpha/t-linux: New file.
17346 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17348 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17349 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17350 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17351 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17352 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17353 (CPP_ARCH32_SPEC): Remove.
17355 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17357 PR tree-optimization/26145
17358 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17361 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17364 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17365 >= 240000 when generating code for SOM runtime.
17366 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17367 to $$dyncall when generating code for SOM runtime..
17369 2006-02-07 Dirk Mueller <dmueller@suse.com>
17372 * doc/invoke.texi (-Wsequence-point): Update documentation
17373 that -Wsequence-point is implemented for C++ as well.
17375 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17377 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17378 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17379 (LIB_SPEC): Likewise.
17380 * doc/invoke.texi (SPARC options): Document -pthread.
17382 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17384 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17387 2006-02-07 Roger Sayle <roger@eyesopen.com>
17389 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17390 Correct comment describing BOOLEAN_TYPE.
17392 2006-02-07 Dirk Mueller <dmueller@suse.com>
17394 * c.opt: C++ frontend supports -Wdiv-by-zero.
17395 * c-opts.c (c_common_handle_option): Remove dead case.
17397 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17399 * configure.ac (TLS assembler check): Do not enable TLS by
17400 default on SPARC/Solaris before version 10.
17401 * configure: Regenerate.
17403 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17405 * doc/invoke.texi (xl-compat): Document conversion and support
17408 2006-02-07 Jeff Law <law@redhat.com>
17410 * tree-vrp.c (find_conditional_asserts): Update comments.
17411 (simplify_stmt_for_jump_threading): New.
17412 (identify_jump_threads, finalize_jump_threads): New.
17413 (vrp_finalize): Call identify_jump_threads.
17414 (execute_vrp): Call finalize_jump_threads.
17415 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17416 (vrp_element, vrp_data, vrp_element_p): Remove.
17417 (vrp_hash_elt, vrp_variables_stack): Remove.
17418 (vrp_hash, vrp_eq, record_range): Remove.
17419 (simplify_cond_and_lookup_avail_expr): Remove.
17420 (extract_range_from_cond): Remove.
17421 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17422 (simplify_stmt_for_jump_threading): New.
17423 (dom_thread_across_edge): New wrapper.
17424 (tree_ssa_dominator_optimize): No longer initialize or
17425 finalize any of the VRP datastructures. Remove iteration
17426 step and simplify as a result of removal of iteration step.
17427 (pass_dominator): Perform a cfg cleanup after DOM.
17428 (dom_opt_finalize_block): Use the new common routines
17429 for threading jumps. Simplify stack management slightly.
17430 No longer need to unwind VRP state.
17431 (record_equivalences_from_incoming_edge): No longer record
17433 (eliminate_redundant_computations): No longer call
17434 simplify_cond_and_lookup_avail_expr.
17435 * tree-flow.h (potentially_threadable_block): Prototype.
17436 (thread_across_edge): Likewise.
17437 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17438 (tree-ssa-threadedge.o): Add dependencies.
17439 * tree-ssa-threadedge.c: New file.
17440 * passes.c (init_optimization_passes): Merge PHIs before
17441 calling VRP. Run VRP again late in the SSA optimization pipeline.
17443 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17445 * df-core.c (df_set_blocks): Do not dereference function pointers.
17446 (df_finish1): Likewise.
17447 (df_hybrid_search_forward): Likewise.
17448 (df_hybrid_search_backward): Likewise.
17449 (df_iterative_dataflow): Likewise.
17450 (df_analyze_problem): Likewise.
17451 (df_compact_blocks): Likewise.
17452 (df_dump): Likewise.
17453 * df-scan.c (df_rescan_blocks): Likewise.
17454 (df_record_entry_block_defs): Likewise.
17456 * genconditions.c (write_conditions): Guard the definition of
17457 'insn_conditions' with the check on GCC version.
17458 (write_writer): Guard the traversal 'insn_conditions' with
17459 the check on GCC version.
17461 2006-02-07 Richard Guenther <rguenther@suse.de>
17465 2006-01-30 Richard Guenther <rguenther@suse.de>
17467 * gimplify.c (gimplify_target_expr): Handle easy cases
17468 without creating a temporary.
17470 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17472 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17473 use of float in probability computations. Use edge probabilities
17474 in place of statically computed probabilities.
17475 (min_spec_prob): New static variable.
17476 (schedule_insns): Initialize it.
17477 (GET_SRC_PROB): Removed.
17478 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17480 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17483 * config/ia64/unwind-ia64.c: Revert last change.
17484 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17485 (INCOMING_FRAME_SP_OFFSET): Define.
17487 2006-02-06 Roger Sayle <roger@eyesopen.com>
17489 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17491 2006-02-07 Ben Elliston <bje@au.ibm.com>
17493 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17494 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17495 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17496 (ix86_return_in_memory): Handle TDmode.
17497 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17498 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17500 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17502 * reorg.c (dbr_schedule): Use dump_file instead of file.
17504 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17507 * config/ia64/predicates.md (extr_len_operand): New predicate.
17508 * config/ia64/ia64.md (extv): Tighten constraints.
17510 (*tbit_and_2): Ditto.
17511 (*tbit_and_3): Ditto.
17512 (*tbit_or_2): Ditto.
17513 (*tbit_or_3): Ditto.
17514 (*bit_zero): Ditto.
17517 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17520 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17522 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17524 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17525 loop_optimizer_init and loop_optimizer_finalize
17526 * tree-ssa-sink.c (execute_sink_code): Ditto.
17527 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17528 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17529 tree_ssa_loop_done): Ditto.
17530 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17531 * sched-ebb.c: Include output.h.
17532 (schedule_ebbs): Do not use dump argument.
17533 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17534 * loop.c (loop_dump_stream): Removed.
17535 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17537 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17538 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17539 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17540 loop_iterations, strength_reduce, record_biv, record_giv,
17541 final_giv_value, check_final_value, check_ext_dependent_givs,
17542 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17543 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17544 dump_file instead of loop_dump_stream.
17545 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17546 argument dump_file.
17547 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17549 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17550 * haifa-sched.c: Include output.h
17551 (schedule_insns, sched_init): Do not use dump argument.
17552 * mode-switching.c (optimize_mode_switching): Ditto.
17553 * modulo-sched.c (stats_file): Removed.
17554 (print_node_sched_params): Do not call argument dump_file.
17555 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17556 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17558 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17560 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17561 rtl_loop_init, rtl_loop_done): Ditto.
17562 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17563 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17565 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17566 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17567 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17568 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17569 * emit-rtl.c (renumber_insns): Ditto.
17570 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17571 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17572 * regclass.c (regclass): Ditto.
17573 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17574 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17575 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17576 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17578 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17579 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17581 * gcse.c (gcse_file, debug_stderr): Removed.
17582 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17583 rest_of_handle_gcse): Do not use dump argument.
17584 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17585 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17586 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17587 compute_code_hoist_vbeinout, compute_code_hoist_data,
17588 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17589 compute_store_table, build_store_vectors, insert_insn_start_bb,
17590 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17591 store_motion): Use dump_file instead of gcse_file.
17592 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17593 * profile.c (profile_dump_file): Removed.
17594 (branch_prob): Use dump_file instead of profile_dump_file.
17595 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17597 * tree-ssa-copy.c (dump_copy_of): Ditto.
17598 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17599 dump file to life_analysis.
17600 * bt-load.c (branch_target_load_optimize): Ditto.
17601 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17603 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17604 regclass, dbr_schedule): Declaration changed.
17605 * sched-int.h (sched_init): Declaration changed.
17606 * tree-profile.c (tree_profile_dump_file): Removed.
17607 (tree_profile_hooks): Removed profile_dump_file hook.
17608 * rtl-profile (rtl_profile_dump_file): Removed.
17609 (rtl_profile_hooks): emoved profile_dump_file hook.
17610 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17612 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17613 * tree-cfg.c (build_tree_cfg): Ditto.
17614 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17615 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17616 Declaration changed.
17617 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17618 life_analysis and schedule_insns.
17619 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17621 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17623 * config/mips/mips.c (mips_reorg): Ditto.
17624 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17627 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17629 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17630 (s390_mangle_fundamental_type): New.
17631 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17634 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17635 (alpha_mangle_fundamental_type): New.
17636 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17639 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17641 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17643 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17644 (sparc_mangle_fundamental_type): New.
17646 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17648 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17649 (s390x-*-linux*): Likewise.
17650 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17651 * config/s390/t-linux: New file.
17653 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17655 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17656 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17658 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17660 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17661 (ANTIC_SAFE_LOADS): New macro.
17662 (find_or_generate_expression): Add prototype.
17663 (set_contains_value): Allow null set for sake of not always having
17664 to allocate ANTIC_SAFE_LOADS.
17665 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17666 Allow COMPONENT_REF too.
17667 (valid_in_set): Allow COMPONENT_REF.
17668 Check ANTIC_SAFE_LOADS too.
17669 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17670 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17672 (can_PRE_operation): Add COMPONENT_REF.
17673 (create_component_ref_by_pieces): New function.
17674 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17675 (insert_aux): Move AGGREGATE_TYPE_P check here.
17676 (compute_avail): Set bb local stmt uids.
17677 (pass_pre): Use TODO_update_ssa_only_virtuals.
17679 2006-02-06 Ben Elliston <bje@au.ibm.com>
17681 * configure.ac: Unconditionally disable decimal float by default.
17682 * configure: Regenerate.
17684 2006-02-06 Ben Elliston <bje@au.ibm.com>
17686 * read-rtl.c (read_name): Terminate reading on EOF.
17688 2006-02-06 Ben Elliston <bje@au.ibm.com>
17690 * dfp.c (decimal_real_arithmetic): Change second argument type
17691 from int to enum tree_code. Do not always return true, but now
17692 return result of any call to decimal_do helper functions.
17693 * dfp.h (decimal_real_arithmetic): Update prototype.
17695 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17697 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17699 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17702 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17705 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17707 * tree-vrp.c (cfg_loops): Removed.
17708 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17709 Use current_loops instead of cfg_loops. Pass flags to
17710 loop_optimizer_init.
17711 * cfgloopmanip.c (fix_loop_structure): Update only available
17713 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17714 loop_optimizer_init.
17715 * modulo-sched.c (build_loops_structure): Removed.
17716 (sms_schedule): Use loop_optimizer_init.
17717 * loop-init.c (loop_optimizer_init): Use flags to determine
17718 which properties of loops to prepare.
17719 (rtl_loop_init): Pass flags to loop_optimizer_init.
17720 * tree-ssa-sink.c (execute_sink_code): Ditto.
17721 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17722 * tree-ssa-pre.c (init_pre): Ditto.
17723 * cfgloop.h (LOOPS_NORMAL): New.
17724 (loop_optimizer_init): Declaration changed.
17726 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17728 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17729 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17731 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17733 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17735 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17736 * pa/t-pa64: Delete quadlib.c rule.
17737 * pa/x-ada: Revert last change.
17738 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17740 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17742 PR rtl-optimization/26087
17743 * rtlanal.c (canonicalize_condition): Do not cross basic block
17746 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17749 * config/ia64/ia64.c: Include debug.h.
17750 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17751 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17752 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17753 (process_epilogue, process_set, process_for_unwind_directive):
17754 Output unwind info only if requested. Add CFA info if requested.
17755 Add new arguments as needed. Adjust callers.
17756 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17758 (DWARF2_FRAME_INFO): Define to zero.
17759 * config/ia64/unwind-ia64.c: Remove code that compensated for
17760 the CFA offset error fixed above.
17761 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17762 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17763 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17764 -funwind-tables and -fexceptions to enable frame info.
17765 (dwarf2out_frame_init): Define initial CFA even if
17766 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17767 DWARF2_UNWIND_INFO is nonzero, not just defined.
17768 (dwarf2out_frame_finish): Output non-EH call frame info only
17769 if DWARF2_FRAME_INFO is nonzero.
17770 (convert_cfa_to_loc_list,
17771 compute_frame_pointer_to_cfa_displacement): Define even if
17772 unwind info is not supported.
17773 (gen_subprogram_die): Use the above unconditionally. Remove
17774 legacy alternate code.
17775 * toplev.c (compile_file): Compile in call to
17776 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17777 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17779 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17780 Jakub Jelinek <jakub@redhat.com>
17782 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17783 IBM extended float format long double as "g" on powerpc*-linux.
17785 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17788 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17789 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17791 2006-02-03 Jason Merrill <jason@redhat.com>
17794 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17796 PR middle-end/25977
17797 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17798 on the return slot if it's an NRV.
17800 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17802 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17803 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17804 rewrite_use): Do not handle USE_OUTER.
17805 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17806 add_iv_outer_candidates, may_replace_final_value,
17807 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17808 (find_interesting_uses_op): Functionality of
17809 find_interesting_uses_outer_or_nonlin moved here.
17810 (find_interesting_uses_outside): Use find_interesting_uses_op.
17812 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17815 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17817 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17818 Ulrich Weigand <uweigand@de.ibm.com>
17821 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17822 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17823 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17824 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17826 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17827 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17828 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17829 Define secondary reloads for TFmode moves.
17830 (constant_modes): Add TFmode.
17831 (NR_C_MODES): Set to 8.
17832 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17834 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17835 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17836 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17837 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17838 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17839 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17840 (FPR mode macro): Add TFmode.
17841 (DSF mode macro): New.
17842 (<de>, <dee> mode attributes): Removed.
17843 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17844 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17845 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17846 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17847 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17848 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17849 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17850 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17851 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17852 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17853 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17854 "*negabs<mode>2", "sqrt<mode>2"):
17855 Changed <de> to <xde>. R constraint replaced by <Rf>.
17856 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17858 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17859 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17860 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17862 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17863 "extenddftf2", "extendsftf2"): New expanders.
17864 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17865 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17866 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17867 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17869 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17870 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17871 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17872 __floatditf): Add a GCC_4.1.0 symbol version tag.
17873 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17876 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17879 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17880 Use targetm.binds_local_p instead of TREE_PUBLIC.
17882 2006-02-02 Roger Sayle <roger@eyesopen.com>
17884 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17885 on INTEGER_TYPEs to indicate that it denotes a character type.
17886 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17887 signed_char_type_node, unsigned_char_type_node and char_type_node.
17888 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17889 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17890 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17892 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17893 Daniel Berlin <dberlin@dberlin.org>
17895 * tree-tailcall.c (arg_needs_copy_p): New function.
17896 (eliminate_tail_call): Use arg_needs_copy_p.
17897 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17898 (add_virtual_phis): New function.
17900 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17902 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17903 #ignore instead of #scratch for %g7 .register directive.
17905 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17907 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17910 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17912 * flow.c (calculate_global_regs_live): Assert that there aren't any
17915 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17917 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17918 what its name says.
17919 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17920 bsi_after_labels iterator.
17921 * tree-if-conv.c (find_phi_replacement_condition,
17922 replace_phi_with_cond_modify_expr): Likewise.
17923 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17924 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17926 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17928 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17930 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17933 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17934 array after growing it.
17936 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17938 PR middle-end/24901
17939 * fold-const.c (fold_checksum_tree): Change type of buf.
17941 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17943 * reload.c (push_secondary_reload): Initialize t_icode.
17945 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17947 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17948 -msoft-float -mlong-double-128 only issue a warning, but don't
17949 swich to DFmode long double.
17951 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17953 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17954 has a constant equivalent, iterate over equivalents for arg0,
17955 calling simplify_relational_operation and if there's a result
17956 cheaper than X, apply fold_rtx and return the result.
17958 2006-02-01 Jan Hubicka <jh@suse.cz>
17960 * opts.c (no_unit_at_a_time_default): New global variable.
17961 (decode_options): Use it.
17962 * opts.h (no_unit_at_a_time_default): Declare.
17964 2006-02-01 Paul Brook <paul@codesourcery.com>
17966 * function.c (assign_parm_setup_reg): Use function argument promotion
17968 * expr.c (expand_expr_real_1): Use function argument promotion rules
17971 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17973 * gcc.c (process_command): Change j to 'unsigned int'.
17975 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17977 PR middle-end/26001
17978 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17979 Use the corrected index for the character
17980 out of the string constant.
17982 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17984 * mode-switching.c (optimize_mode_switching): Fix size
17985 allocated for bb_info[n_entities].
17987 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17989 * gcc.c (main): Correct type that is allocated for
17990 explicit_link_files.
17992 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17994 * config/s390/s390.c (init_alignment_context): Set
17995 ALIAS_SET_MEMORY_BARRIER on the MEM.
17996 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17998 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18000 PR middle-end/25933
18001 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18003 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18006 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18008 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18009 * regrename.c: Ditto.
18010 * tree-ssa-loop-im.c: Ditto.
18011 * tree-dump.c: Ditto.
18012 * tree-complex.c: Ditto.
18013 * genrecog.c: Ditto.
18014 * tree-ssa-threadupdate.c: Ditto.
18016 * java/class.c: Ditto.
18017 * java/jcf-parse.c: Ditto.
18018 * java/resource.c: Ditto.
18019 * java/except.c: Ditto.
18020 * java/jvspec.c: Ditto.
18021 * java/jcf-write.c: Ditto.
18022 * java/jcf-path.c: Ditto.
18023 * java/gjavah.c: Ditto.
18024 * java/zextract.c: Ditto.
18025 * java/jcf-io.c: Ditto.
18026 * java/jcf.h: Ditto.
18027 * java/buffer.c: Ditto.
18028 * java/lang.c: Ditto.
18029 * java/parse-scan.y: Ditto.
18030 * java/lex.c: Ditto.
18031 * java/lex.h: Ditto.
18032 * cfgloopmanip.c: Ditto.
18033 * postreload-gcse.c: Ditto.
18034 * tree-ssa-loop-manip.c: Ditto.
18035 * postreload.c: Ditto.
18036 * tree-ssa-loop-ch.c: Ditto.
18039 * cppspec.c: Ditto.
18040 * diagnostic.c: Ditto.
18042 * genoutput.c: Ditto.
18044 * cfghooks.c: Ditto.
18045 * cfgloopanal.c: Ditto.
18046 * objc/objc-act.c: Ditto.
18048 * genextract.c: Ditto.
18049 * genautomata.c: Ditto.
18050 * pretty-print.c: Ditto.
18051 * genemit.c: Ditto.
18052 * cgraphunit.c: Ditto.
18054 * df-scan.c: Ditto.
18055 * haifa-sched.c: Ditto.
18056 * dominance.c: Ditto.
18058 * tree-ssa-loop-ivopts.c: Ditto.
18059 * df-core.c: Ditto.
18060 * mode-switching.c: Ditto.
18061 * modulo-sched.c: Ditto.
18063 * ipa-pure-const.c: Ditto.
18065 * fix-header.c: Ditto.
18067 * tree-stdarg.c: Ditto.
18068 * ipa-utils.c: Ditto.
18069 * loop-init.c: Ditto.
18070 * ipa-inline.c: Ditto.
18071 * cfganal.c: Ditto.
18073 * alloc-pool.c: Ditto.
18074 * dwarf2out.c: Ditto.
18076 * genattrtab.c: Ditto.
18077 * tree-ssa-loop-ivcanon.c: Ditto.
18078 * predict.c: Ditto.
18079 * timevar.c: Ditto.
18081 * fortran/gfortranspec.c: Ditto.
18082 * regmove.c: Ditto.
18083 * local-alloc.c: Ditto.
18084 * langhooks.c: Ditto.
18085 * function.c: Ditto.
18086 * tree-vectorizer.c: Ditto.
18088 * ipa-type-escape.c: Ditto.
18090 * tree-if-conv.c: Ditto.
18091 * profile.c: Ditto.
18093 * tree-data-ref.c: Ditto.
18094 * loop-unroll.c: Ditto.
18095 * treelang/treetree.c: Ditto.
18097 * bt-load.c: Ditto.
18098 * ggc-common.c: Ditto.
18100 * coverage.c: Ditto.
18102 * tree-cfgcleanup.c: Ditto.
18103 * tree-ssa-pre.c: Ditto.
18104 * cfgcleanup.c: Ditto.
18105 * loop-invariant.c: Ditto.
18106 * loop-iv.c: Ditto.
18107 * ipa-prop.c: Ditto.
18108 * print-tree.c: Ditto.
18109 * conflict.c: Ditto.
18110 * ggc-page.c: Ditto.
18111 * sched-deps.c: Ditto.
18112 * regclass.c: Ditto.
18113 * tree-object-size.c: Ditto.
18114 * combine.c: Ditto.
18115 * bb-reorder.c: Ditto.
18116 * resource.c: Ditto.
18117 * var-tracking.c: Ditto.
18118 * cfgloop.c: Ditto.
18119 * df-problems.c: Ditto.
18120 * reg-stack.c: Ditto.
18122 * gccspec.c: Ditto.
18123 * sched-rgn.c: Ditto.
18124 * tree-ssa-structalias.c: Ditto.
18125 * tree-ssa-reassoc.c: Ditto.
18126 * config/darwin-c.c: Ditto.
18127 * config/darwin.c: Ditto.
18128 * config/arm/arm.c: Ditto.
18130 * collect2.c: Ditto.
18131 * reload1.c: Ditto.
18133 2006-01-31 Nicolas Pitre <nico@cam.org>
18135 * arm.md (smaxsi3): Make aware of smax_m1.
18138 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18140 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18142 2006-01-31 Richard Guenther <rguenther@suse.de>
18144 * doc/invoke.texi (-msselibm): Document.
18145 * target.h (expand_library_builtin): New target hook.
18146 * builtins.c (expand_builtin): Use expand_library_builtin.
18147 (default_expand_library_builtin): New function.
18148 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18149 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18150 (link_gcc_math_spec): Declare.
18151 (static_specs): Add link_gcc_math_spec.
18152 * expr.h (default_expand_library_builtin): Declare.
18153 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18154 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18155 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18156 * config/i386/i386.opt (msselibm): New target option.
18157 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18158 (ix86_init_sse_abi_builtins): New function.
18159 (ix86_expand_library_builtin): Likewise.
18160 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18161 (override_options): Handle error conditions wrt -msselibm.
18162 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18163 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18164 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18167 2006-01-31 Richard Guenther <rguenther@suse.de>
18168 Paolo Bonzini <bonzini@gnu.org>
18170 * doc/install.texi (--disable-libgcc-math): Document.
18172 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18174 * expr.h (expand_normal): new inline function.
18175 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18176 * dojump.c: use it.
18177 * dwarf2out.c: use it.
18180 * expmed.c: use it.
18181 * except.c: use it.
18182 * config/sparc/sparc.c: use it.
18183 * config/i386/i386.c: use it.
18184 * config/rs6000/rs6000.c: use it.
18185 * config/arm/arm.c: use it.
18186 * config/mips/mips.c: use it.
18187 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18189 2006-01-30 Roger Sayle <roger@eyesopen.com>
18191 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18192 argv to the appropriate type.
18194 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18196 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18199 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18202 * config/s390/s390.c (struct machine_function): New flag
18203 decomposed_literal_pool_addresses_ok_p.
18204 (s390_reorg): Set it before final stage of literal pool transforms.
18205 (s390_decompose_address): Only accept displacements of the form
18206 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18208 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18210 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18211 the comparison routine return.
18213 2006-01-30 Michael Matz <matz@suse.de>
18215 * global.c (find_reg): Only evict for global regs.
18216 Take n_refs into account and dump more info.
18218 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18221 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18222 (pragma_trap, pragma_nosave_low_regs): Likewise.
18223 (current_function_anonymous_args): Likewise.
18224 (sh_deferred_function_attributes): New variable.
18225 (sh_deferred_function_attributes_tail): Likewise.
18226 (print_operand): For '@', look up trap_exit attribute.
18227 (calc_live_regs): Look up trapa_handler attribute. For trapa
18228 handlers, save/restore fpscr, but don't do any other
18229 interrupt-specific saves.
18230 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18231 Fix check for partially saved registers to check for SHmedia.
18232 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18233 (sh_output_function_epilogue): Don't clear any of the removed
18235 (sh_insert_attributes): Don't check pragma_interrupt.
18236 Insert deferred attributes. Check that interrupt attribute is
18237 present for other attributes that require its presence.
18238 (sh_attribute_table): Add new attributes trapa_handler and
18240 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18241 Don't check for pragma_interrupt. Don't store argument.
18242 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18243 (sh_deferred_function_attributes): Declare.
18244 (sh_deferred_function_attributes_tail): Likewise.
18245 * sh.md (sp_switch_1): Add operand. Change generator caller.
18246 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18247 (*return_i): Don't use when trap_exit attribute is in effect.
18248 (*return_trapa): New insn pattern.
18249 * sh-c.c: New file.
18250 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18251 setting c_target_objs and cxx_target_objs.
18252 * t-sh: Add rule for sh-c.o.
18254 2006-01-30 Richard Guenther <rguenther@suse.de>
18257 * gimplify.c (gimplify_target_expr): Handle easy cases
18258 without creating a temporary.
18260 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18262 * vec.h (safe_grow): Remove duplicated line.
18264 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18267 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18268 (expand_omp): ... here.
18269 (expand_omp_parallel): Only remove barriers for combined
18270 parallel+workshare constructs.
18272 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18276 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18277 * tree.c (build_qualified_type): Chain the new type to the original
18278 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18279 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18280 (build_pointer_type_for_mode): Only return unqualified types.
18281 (build_reference_type_for_mode): Likewise.
18283 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18285 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18286 * Makefile.in (CXX_COMPAT_WARN): Define.
18287 * configure: Regenerate.
18289 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18292 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18295 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18297 * toplev.c: Fix thinko.
18299 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18300 Marcin Dalecki <martin@dalecki.de>
18302 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18303 (push_srcloc): Use XNEW.
18304 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18306 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18308 * df-core.c (df_set_blocks): Deleted all variable.
18310 2006-01-28 Ian Lance Taylor <ian@airs.com>
18312 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18313 cgraph_output_pending_asms.
18315 2006-01-28 Zack Weinberg <zackw@panix.com>
18317 * c.opt: Add -W(no-)overlength-strings.
18318 * doc/invoke.texi: Document it.
18319 * c-opts.c (c_common_handle_option): -pedantic implies
18320 -Woverlength-strings, if not explicitly disabled already.
18321 (c_common_post_options): -Woverlength-strings defaults to off, and
18322 is always off for C++.
18323 * c-common.c (fix_string_type): Issue warning about strings longer
18324 than is portable only if warn_overlength_strings. Rearrange code
18325 a little for clarity.
18326 * configure.in: Check for -Wno-overlength-strings as well before
18327 enabling -pedantic in stage 1.
18328 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18329 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18331 * genconditions.c (write_header, write_one_condition)
18332 (write_conditions, write_writer): Consolidate very long strings
18333 that were broken up to fit in C89 portable limit. Don't use
18334 printf when fputs will do.
18336 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18338 * combine.c (simplify_comparison <AND>): Check
18339 TRULY_NOOP_TRUNCATION before start using a subreg.
18341 * config/mips/mips.md (*branch_zero<mode>,
18342 *branch_zero<mode>_inverted, *branch_equality<mode>,
18343 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18344 Remove mode check from comparisons.
18346 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18348 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18350 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18352 * expmed.c (const_mult_add_overflow_p): Remove.
18353 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18355 * recog.c (validate_replace_rtx_subexp): Remove.
18356 * recog.h: Remove the prototype for
18357 validate_replace_rtx_subexp.
18359 * integrate.h: Remove the prototype for
18360 copy_decl_for_inlining.
18361 * rtl.h: Remove the prototype for mark_constant_function.
18362 * tree-vectorizer.h: Remove the prototype for
18363 vect_strip_conversion.
18365 * modulo-sched.c (create_partial_schedule,
18366 free_partial_schedule, reset_partial_schedule): Make them
18369 * hooks.c (hook_bool_rtx_int_false): Remove.
18370 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18372 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18374 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18375 and -mlong-double-128 are incompatible.
18376 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18377 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18378 (TARGET_LIBGCC2_CFLAGS): Define.
18379 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18380 (TARGET_LIBGCC2_CFLAGS): Same.
18381 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18383 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18386 * c-typeck.c (build_binary_op): Perform implicit casts of
18387 operands before shortening them.
18389 * cfgloopmanip.c (split_loop_bb): Remove.
18390 * cfgloop.h: Remove the prototype for split_loop_bb.
18392 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18393 * cfgloop.h: Remove the prototype for
18394 flow_loop_outside_edge_p.
18396 * emit-rtl.c (init_virtual_regs): Make it static.
18397 * function.h: Remove the prototype for init_virtual_regs.
18399 * recog.c (peephole2_optimize): Make it static.
18400 * recog.h: Remove the prototype for peephole2_optimize.
18402 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18404 * df-scan.c (df_record_entry_block_defs): Check if
18405 INCOMING_RETURN_ADDR_RTX is defined.
18407 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18408 Kenneth Zadeck <zadeck@naturalbridge.com>
18410 PR rtl-optimization/24762
18411 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18412 * targhooks.c (hook_void_bitmap): New hook prototype.
18413 * targhoohs.h (hook_void_bitmap): Ditto.
18414 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18415 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18416 * target.h (live_on_entry): New function pointer.
18417 * df-scan.c (df_all_hard_regs): Removed.
18418 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18419 (df_scan_free_internal): Added df->entry_block_defs.
18420 (df_scan_alloc): Ditto.
18421 (df_scan_dump): Ditto.
18422 (df_uses_record): Plumbed flag field properly thru calls.
18423 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18424 This part fixes PR24762.
18425 (df_bb_refs_record): Added code to make the frame and arg
18426 pointers live in EH blocks.
18427 (df_refs_record): Added call to df_record_entry_block_defs.
18428 (df_record_entry_block_defs): New function.
18429 * df-core.c: Added comments to describe new artifical defs.
18430 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18431 (entry_block_defs): New field in struct df.
18432 (df_all_hard_regs): Deleted.
18433 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18434 * df-problems.c (df_ru_bb_local_compute_process_def):
18435 Added code to handle artifical defs in the entry to a function.
18436 (df_ru_bb_local_compute): Ditto.
18437 (df_rd_bb_local_compute_process_def): Ditto.
18438 (df_rd_bb_local_compute): Ditto.
18439 (df_lr_bb_local_compute): Ditto.
18440 (df_ur_bb_local_compute): Ditto.
18441 (df_urec_bb_local_compute): Ditto.
18442 (df_chain_create_bb): Ditto.
18443 (df_ur_local_finalize): Removed entry.
18444 (df_urec_init): Ditto.
18445 (df_urec_local_finalize): Ditto.
18446 (df_ri_bb_compute): Added detection of last use of pseudos.
18447 * Makefile.in (df-scan.o): Updated dependencies.
18448 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18449 * config/mips/mips.c (mips_set_live_on_entry): Added.
18450 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18452 * dce.c (marked_insn_p): Added code to handle artifical defs.
18454 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18456 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18458 (_mm_cvtsi128_si64): Likewise.
18459 (_mm_cvtsd_si64): Likewise.
18460 (_mm_cvttsd_si64): Likewise.
18461 (_mm_cvtsi64_sd): Likewise.
18462 (_mm_cvtsi64_si128): Likewise.
18463 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18464 (_mm_cvtsi64_m64): Likewise.
18465 (_m_to_int64): Likewise.
18466 (_mm_cvtm64_si64): Likewise.
18467 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18468 (_mm_cvttss_si64): Likewise.
18469 (_mm_cvtsi64_ss): Likewise.
18470 (_mm_cvtss_f32): Likewise.
18472 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18474 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18475 for pragma redefine_extname.
18477 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18480 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18481 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18482 -mno-minimal-toc to previous content.
18483 (bispecs): Remove goal.
18484 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18485 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18486 compatibility aliases on powerpc-*-*gnu*.
18487 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18488 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18489 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18490 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18491 (ldblspecs): New goal.
18492 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18493 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18495 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18496 L_sf_to_tf or L_df_to_tf is defined.
18498 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18499 Alan Modra <amodra@bigpond.net.au>
18502 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18503 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18504 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18505 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18506 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18507 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18508 (rs6000_override_options): Initialize rs6000_ieeequad.
18509 Initialize TFmode format to ibm_extended_format if not
18511 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18513 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18514 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18515 (function_arg_advance): IBM long double passed in two FPRs, not
18517 (function_arg): IBM long double passed in FPRs.
18518 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18519 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18520 Only multireg GPR aligned.
18521 (rs6000_init_libfuncs): Enable IBM long double functions if not
18523 (rs6000_generate_compare): Use IBM long double compare if not
18525 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18526 (TARGET_IEEEQUAD): Define.
18527 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18528 not TARGET_IEEEQUAD.
18529 * config/rs6000/rs6000.md: Enable TFmode patterns if
18531 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18532 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18533 and -mlong-double-128 are incompatible.
18534 * doc/invoke.texi (-mabi): Collect options together. Add
18535 ibmlongdouble and ieeelongdouble.
18537 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18539 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18541 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18542 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18543 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18544 * rtl.h (rtunion_def): Remove rt_ptr.
18546 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18547 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18548 * config/i386/winnt.c (i386_pe_mark_dllexport)
18549 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18551 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18553 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18555 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18559 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18560 pthread_key_delete. From John David Anglin. gthrw-ify
18561 pthread_getunique_np only if it it's not a macro. Delete
18563 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18564 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18565 __gthread_objc_condition_signal, __gthread_key_delete): Add
18566 "__attribute__ ((__unused__))" to unused arguments.
18567 (__gthread_recursive_mutex_init_function): Add missing return.
18568 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18569 gthr-posix95.h: Use macro-based approach for name redirection
18570 on targets missing weakref.
18572 2006-01-26 Zack Weinberg <zackw@panix.com>
18574 * genconditions.c (write_header): In generated code, #ifdef out
18575 all includes and fake declarations, except includes of bconfig.h
18576 and system.h, unless GCC_VERSION >= 3001. Do not include
18577 gensupport.h in any case.
18578 (write_conditions): Generate a definition of struct c_test. Add
18579 a comment to the generated #endif.
18580 (write_one_condition): Escape backslashes in string too.
18581 (write_writer): Generated code must escape backslashes and quote
18582 marks (but not newlines) in the strings it writes.
18583 * Makefile.in (build/gencondmd.o): Update dependencies.
18585 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18588 * Makefile.in (insn-automata.o): Add header file dependencies.
18589 * genautomata.c: Add includes.
18591 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18594 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18596 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18598 * configure.ac: Expect target tools paths to be passed from the toplevel
18599 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18601 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18603 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18606 * c.opt (Wpointer-sign): Init to -1.
18607 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18608 OPT_pedantic, to 0 otherwise.
18609 * doc/invoke.texi: Update.
18611 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18613 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18614 constants provided by 80387 instructions in the destination mode.
18616 2006-01-26 Richard Guenther <rguenther@suse.de>
18617 Andrew Pinski <pinskia@physics.uc.edu>
18620 partial PR tree-opt/17064
18621 * tree-ssa-structalias.c (intra_create_variable_infos):
18622 Create heap variables for incoming parameters if
18623 flag_argument_noalias > 1.
18624 (find_what_p_points_to): Look through default defs of
18627 2006-01-26 Jeff Law <law@redhat.com>
18630 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18631 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18632 within the VR_RANGE, use the VR_RANGE as the result, not the
18634 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18635 bounds for the type.
18637 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18639 * tree-ssa-alias.c (maybe_create_global_var): Change
18640 subvar walking to an assertion that we don't have subvar'd variables.
18642 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18645 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18646 Use a new variable, inner. PARM_DECLs are always non-weak.
18648 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18650 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18651 --disable-checking.
18653 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18655 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18657 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18659 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18660 (smax_insn, smin_insn, smax_0, smin_0): New.
18662 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18665 * config/cris/cris.c (cris_order_for_addsi3): New function.
18666 * config/cris/cris-protos.h: Prototype it.
18667 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18668 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18669 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18670 (split for "op.S1 [rx=rx+i],ry (swapped)")
18671 (split for "op(s|u).S1 [rx=rx+i],ry")
18672 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18673 Apply cris_order_for_addsi3 when generating addsi3 insns.
18675 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18677 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18678 (TREE_BLOCK): Add call to EXPR_CHECK.
18680 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18683 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18684 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18685 (dump_omp_clauses): ... here.
18686 (dump_generic_node): Handle OMP_CLAUSE.
18687 * tree.c (omp_clause_num_ops): New.
18688 (omp_clause_code_name): New.
18689 (tree_code_size): Handle OMP_CLAUSE.
18690 (tree_size): Likewise.
18691 (make_node): Document handling of OMP_CLAUSE.
18692 (tree_node_structure): Handle OMP_CLAUSE.
18693 (omp_clause_check_failed): New.
18694 (omp_clause_range_check_failed): New.
18695 (omp_clause_operand_check_failed): New.
18696 (build_omp_clause): New.
18697 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18698 * tree.h (enum omp_clause_code): Declare.
18699 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18700 (OMP_CLAUSE_RANGE_CHECK): Define.
18701 (OMP_CLAUSE_ELT_CHECK): Define.
18702 (omp_clause_check_failed): Declare.
18703 (omp_clause_operand_check_failed): Declare.
18704 (omp_clause_range_check_failed): Declare.
18705 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18706 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18707 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18708 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18709 (OMP_CLAUSE_IF_EXPR): Likewise.
18710 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18711 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18712 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18713 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18714 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18715 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18716 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18717 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18718 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18719 (OMP_CLAUSE_CODE): Define.
18720 (OMP_CLAUSE_SET_CODE): Define.
18721 (OMP_CLAUSE_CODE): Define.
18722 (OMP_CLAUSE_OPERAND): Define.
18723 (struct tree_omp_clause): Declare.
18724 (union tree_node): Add field 'omp_clause'.
18725 * treestruct.def (TS_OMP_CLAUSE): Define.
18726 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18727 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18728 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18729 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18730 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18731 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18732 (OMP_CLAUSE): Define.
18733 * print-tree.c (print_node): Handle OMP_CLAUSE.
18734 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18735 * c-typeck.c: Likewise.
18736 * gimplify.c: Likewise.
18737 * c-omp.c: Likewise.
18738 * tree-nested.c: Likewise.
18739 * tree-inline.c: Likewise.
18740 * c-parser.c: Likewise.
18741 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18744 2006-01-25 Roger Sayle <roger@eyesopen.com>
18746 PR rtl-optimization/25703
18747 * combine.c (try_combine): Handle zero_extract and strict_low_part
18748 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18750 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18752 * global.c: Fix comment typos.
18754 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18757 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18758 Use output_addr_const instead of assemble_name.
18760 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18762 * Makefile.in (sched-vis.o): Update dependencies.
18763 * haifa-sched.c (sched_finish): Clear current_sched_info.
18764 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18765 (dump_flow_info): Call it.
18766 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18768 * basic-block.h (dump_bb_info): Declare.
18769 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18770 option, and apply options only for dump files whose TDF_RTL,
18771 TDF_TREE, or TDF_IPA bits match.
18772 * rtl.h: Declare new functions exported from sched-vis.c.
18773 * sched-vis.c: Enable also if scheduling is not used.
18774 (print_value): Print the mode of registers if not inside scheduling.
18775 (print_insn): Make it work outside the scheduler. Beautify the output
18777 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18779 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18781 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18782 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18783 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18784 depending on the value of CONSTANT_POOL_ADDRESS_P.
18785 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18787 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18788 rather than SYMBOL_REF_DECL.
18789 (rtx_constant_pool): Remove const_rtx_sym_htab.
18790 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18791 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18792 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18793 Remove handling of const_rtx_sym_htab.
18794 (find_pool_constant): Delete.
18795 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18796 rather than find_pool_constant.
18797 (get_pool_constant_for_function): Delete.
18798 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18799 find_pool_constant.
18800 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18801 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18802 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18803 (SYMBOL_REF_CONSTANT): New macro.
18804 (get_pool_constant_for_function): Delete.
18805 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18806 rather than SYMBOL_REF_DECL.
18807 (i386_pe_mark_dllimport): Likewise.
18808 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18809 rather than SYMBOL_REF_DECL.
18810 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18811 (machopic_indirect_call_target): Likewise.
18813 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18815 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18817 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18819 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18821 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18823 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18825 2006-01-24 David Daney <ddaney@avtrex.com>
18828 * configure.ac (enable_tls): New enable option.
18829 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18830 * configure: Regenerate.
18831 * doc/install.texi (--enable-tls): Document new option.
18832 (--disable-tls): Ditto.
18834 2006-01-24 Richard Henderson <rth@redehat.com>
18836 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18837 * alias.c (true_dependence): Respect it.
18838 (canon_true_dependence, write_dependence_p): Likewise.
18839 * builtins.c (get_builtin_sync_mem): Set it.
18841 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18843 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18846 2006-01-24 DJ Delorie <dj@redhat.com>
18848 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18849 for storing constants in single-bit bitfields.
18851 2006-01-25 Ben Elliston <bje@au.ibm.com>
18853 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18855 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18858 * tree-ssa-pre.c (phi_translate): Return NULL
18859 for AGGREGATE_TYPE's.
18861 2006-01-24 Zack Weinberg <zackw@panix.com>
18863 * genautomata.c (process_state_for_insn_equiv_partition):
18864 Use xcalloc for insn_arcs_array.
18865 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18866 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18868 2006-01-24 Richard Henderson <rth@redhat.com>
18870 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18871 update all callers.
18873 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18875 PR rtl-optimization/25890
18876 PR rtl-optimization/25905
18877 * combine.c (expand_compound_operation, expand_field_assignment):
18878 Fail if the bitfield's final position is out of bounds.
18880 2006-01-24 Ian Lance Taylor <ian@airs.com>
18882 PR middle-end/25930
18883 * cgraphunit.c (cgraph_output_in_order): Don't clear
18884 cgraph_asm_nodes until after asm strings have been output.
18886 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18888 * fix-header.c (read_scan_file): Add new parameter imultilib when
18889 calling register_include_chains.
18891 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18893 * omp-low.c: Update documentation.
18895 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18896 Daniel Berlin <dberlin@dberlin.org>
18900 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18901 return from the function.
18903 2006-01-22 Zack Weinberg <zackw@panix.com>
18905 * rtl.def (match_code): Add second argument.
18906 * genpreds.c (write_extract_subexp): New function.
18907 (write_match_code): Add path argument. Use write_extract_subexp.
18908 (write_predicate_expr): Pass path to write_match_code.
18909 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18910 not perform a mode test.
18911 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18912 a subexpression does not constrain the top-level code set.
18913 * read-rtl.c (read_rtx_variadic): New function.
18914 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18915 * doc/md.texi: Document new notation.
18916 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18917 (cmpsi_operand): ... here, using new notation.
18919 2006-01-22 Zack Weinberg <zackw@panix.com>
18921 * varray.c: Remove GENERATOR_FILE #ifdefs.
18923 2006-01-22 Zack Weinberg <zackw@panix.com>
18925 * genautomata.c (output_reserved_units_table): Emit nothing if
18926 description->query_units_num is zero. Remove extra blank line.
18927 (output_cpu_unit_reservation_p): Short circuit
18928 if description->query_units_num is zero.
18930 2006-01-22 Zack Weinberg <zackw@panix.com>
18932 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18933 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18934 nor any of the random handful of variables that used to be necessary
18935 when this program was linked with rtlanal.o. Prune set of forward
18936 function declarations.
18937 (struct attr_desc): Remove static_p field.
18938 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18939 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18940 (attr_string): Do not read the character one past the length of
18942 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18943 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18944 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18945 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18946 (make_automaton_attrs): New.
18947 (main): Do not call into genautomata. Call local gen_bypass
18948 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18949 Remove special case for insn_alts.
18950 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18951 varray.h (leftover from previous change). Prune set of forward
18952 function declarations. Remove state_alts fields from all
18953 structures. Remove state_alts_table from struct automaton.
18954 Make everything except main static. Do not maintain num_dfa_decls.
18955 Do not maintain state_alts fields of various structures.
18956 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18957 (add_arc): Remove state_alts argument. All callers updated.
18958 (output_reserved_units_table): Emit #ifdef here...
18959 (output_tables): ...not here. Don't generate state_alts tables.
18960 (expand_automata): Don't generate attributes.
18961 (write_automata): Don't generate state_alts functions.
18962 (main): New function.
18963 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18964 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18965 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18966 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18967 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18968 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18969 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18970 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18972 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18973 * genattrtab.h: Delete file.
18974 * Makefile.in (OBJS-common): Add insn-automata.o.
18975 (insn-automata.o): New rule.
18976 (simple_generated_c): Add insn-automata.c.
18977 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18978 (genprogmd): Add automata.
18979 (build/genattrtab): Needs no extra objects nor libraries.
18980 (build/genautomata): Needs build/vec.o and -lm.
18982 2006-01-22 Zack Weinberg <zackw@panix.com>
18984 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18985 (output_dfa_max_issue_rate, locked_states_num): Delete.
18986 (struct automaton): Add locked_states field.
18987 (output_dead_lock_vect): Save number of locked states in
18988 automaton->locked_states. If it is zero, don't print anything.
18989 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18990 (output_internal_dead_lock_func): Only test the dead_lock_vect
18991 for automata that have locked states.
18992 (output_statistics): Always print the number of locked states for
18993 each automaton. Calculate total number of locked states here.
18994 (write_automata): Don't call output_dfa_max_issue_rate.
18995 * genattrtab.c: Define length_unit_log as a const variable.
18996 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18997 max_insn_queue_index const.
18998 * final.c (length_unit_log): Declare const.
18999 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19001 2006-01-22 Zack Weinberg <zackw@panix.com>
19003 * genautomata.c: Include vec.h, not varray.h.
19004 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19005 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19006 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19007 VEC_* macros operating on appropriately typed vectors, or to
19008 malloced arrays when the size is known in advance. Const-ify
19009 many char* variables and function arguments. No functional changes.
19010 * Makefile.in (build/varray.o): Delete rule.
19011 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19012 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19014 2006-01-22 Zack Weinberg <zackw@panix.com>
19016 * gensupport.c: Define get_insn_name and record_insn_name here.
19017 (read_md_rtx): Call record_insn_name as appropriate.
19018 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19019 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19020 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19022 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19023 (BUILD_VARRAY): Delete.
19024 (genprognormal): Rename genprogmd. Fold in all programs from
19025 genprognoprint; also attrtab.
19026 (build/genattrtab): Just mention genautomata.o and varray.o.
19027 Reorganize a bit, add comments to make the categories clearer.
19029 2006-01-22 Zack Weinberg <zackw@panix.com>
19031 * genconditions.c (condition_table, add_condition): Delete.
19032 (write_conditions): Don't emit n_insn_conditions nor
19033 insn_elision_unavailable. Issue the gcc version #ifdef here,
19034 inside the table, with no #else clause ...
19035 (write_header): ...not here.
19036 (write_writer): New function.
19037 (main): Don't initialize condition_table. Use add_c_test.
19039 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19040 files on the command line.
19041 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19042 Return -1 if there is no entry in the table, don't abort.
19043 (add_c_test, traverse_c_tests): New functions.
19044 * gensupport.h (insn_elision_unavailable, insn_conditions)
19045 (n_insn_conditions): Delete declarations.
19046 (add_c_test, traverse_c_tests): Declare.
19047 * read-rtl.c: Include gensupport.h.
19048 (read_conditions): New function.
19049 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19050 (read_rtx_1): If we get EOF when we were looking for an initial
19051 open paren, return 0. Call read_conditions when appropriate.
19052 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19053 dummy-conditions.o. Eliminate references to insn-conditions.o,
19054 or change them to build/gencondmd.o, as appropriate. Remove
19055 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19056 from $(simple_generated_c). For all files remaining in those
19057 two lists, add insn-conditions.md to the generator command line.
19058 Give insn-constants.h/s-constants their own rules. Add rules
19059 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19060 (build/read-rtl.o): Depend on gensupport.h.
19061 (genprognormal): Include preds.
19062 (genprogearly): Rename genprognoprint; only difference is now that
19063 they don't link with $(BUILD_PRINT).
19064 * dummy-conditions.c: Delete.
19066 2006-01-22 Zack Weinberg <zackw@panix.com>
19068 * genextract.c: Don't include insn-config.h. Do include vec.h.
19069 Declare vectors of int, char, and locstr.
19070 (locstr): New typedef.
19071 (struct extraction): Make all array fields into bare pointers.
19072 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19073 (insn_code_number): Delete.
19074 (accum_extract): New struct.
19075 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19076 (gen_insn): Take insn_code_number as an argument. Use an
19077 accum_extract structure instead of loading data directly into
19078 a struct extraction, and having to know how big it might get.
19079 (walk_rtx): Operate entirely on an accum_extract structure.
19080 (print_path): Avoid unnecessary use of printf.
19081 (print_header): New function, split out of main. Distinguish
19082 more carefully between an unrecognizable insn and an insn that
19083 has the code number of a define_expand.
19084 (main): Pass insn_code_number to gen_insn. Call print_header
19085 only after parsing. Avoid unnecessary use of printf.
19086 * Makefile.in (build/vec.o): New rule.
19087 (build/genextract): Depend on build/vec.o.
19088 (build/genextract.o): Don't depend on insn-config.h.
19090 2006-01-22 Zack Weinberg <zackw@panix.com>
19092 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19093 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19094 practical. Eliminate per-generator-program link rules.
19096 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19098 PR middle-end/24437
19099 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19100 with a call expr to ...
19101 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19103 2006-01-23 Richard Guenther <rguenther@suse.de>
19105 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19106 before make_edge with conditional EDGE_TRUE_VALUE.
19108 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19109 Jan Hubicka <jh@suse.cz>
19110 Richard Guenther <rguenther@suse.de>
19112 PR rtl-optimization/25654
19113 * cfgexpand.c (aggregate_contains_union_type): New function.
19114 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19115 for structure variables that contain a union type.
19117 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19119 * gengtype.c (new_structure): Return the structure.
19120 (create_option): Add an extra "next" argument.
19121 (create_field): New function.
19122 (adjust_field_rtx_def): Use create_option and create_field.
19123 Remove a now-unnecessary call to find_structure.
19124 (adjust_field_tree_def): Likewise.
19125 (note_yacc_type): Remove an unnecessary call to find_structure.
19126 * gengtype.h (new_structure): Return the structure.
19127 (create_option): Add an extra argument.
19128 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19129 (option): Adjust calls to create_option.
19131 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19133 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19135 2006-01-22 Paul Brook <paul@codesourcery.com>
19136 Peter Barada <peter@the-baradas.com>
19138 * config/m68k/m68k.md: Add Coldfire FPU support.
19139 Define FP mode macro and associated attributes.
19140 Use it for float mode patterns.
19141 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19142 (LIBCALL_VALUE): Use m68k_libcall_value.
19143 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19144 (m68k_function_value): Ditto.
19145 (emit_move_sequence): Ditto.
19146 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19147 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19148 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19149 (MULTILIB_EXCEPTIONS): Ditto.
19150 * config/m68k/m68k.opt: Add mcfv4e.
19151 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19152 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19153 (m68k_output_function_prologue): Save ColdFire FPU registers.
19154 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19155 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19156 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19157 ColdFire FPU registers.
19158 (m68k_libcall_value, m68k_function_value): New functions.
19159 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19160 (LIBCALL_VALUE): Use m68k_libcall_value.
19161 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19162 (MASK_COLDFIRE): Add MASK_CFV4E.
19163 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19164 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19165 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19166 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19167 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19168 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19169 * doc/invoke.tex: Document -mcfv4e on m68k.
19171 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19173 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19176 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19179 * c-opts.c (c_common_handle_option): Don't include
19180 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19181 * doc/invoke.texi (C++ Dialect Options): Document that
19182 -Wnon-virtual-dtor is no longer included in -Wall.
19184 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19186 * gcov.c (print_version), gcov-dump.c (print_version),
19187 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19190 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19192 * df-scan.c (problem_SCAN): Added NULL reset function.
19193 (df_scan_reset_blocks): Added code to call reset block function
19194 (df_bb_refs_delete) Fixed comment.
19195 (df_insn_refs_delete): Made tolerant of deleting non existent info
19196 for dataflow problems that need to be reset.
19197 * df-core.c (df_set_blocks): Ditto.
19198 * df.h (struct df_problem): Added reset_fun.
19199 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19200 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19201 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19202 functions to clear out all references to def-use or use-def chains.
19204 2006-01-21 Ben Elliston <bje@au.ibm.com>
19206 * varasm.c (assemble_real): Initialise data array.
19208 2006-01-20 Paul Brook <paul@codesourcery.com>
19210 Merge from csl-arm-branch.
19211 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19212 * config/arm/arm.md (movdi): Force operands[1] to a register
19213 if we have a non-register source.
19214 (*arm_movdi, *movdf_soft_insn): Require that one of the
19215 operands be a register.
19216 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19217 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19219 2006-01-20 DJ Delorie <dj@redhat.com>
19221 * varasm.c (initializer_constant_valid_p): Allow pointers
19222 initialized from integer constants of lesser precision.
19223 (output_constant): Allow non-int-sized pointer modes to be
19224 initialized from integer constants.
19226 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19229 * cppdefault.h (struct default_include): Add multilib flag.
19230 * cppdefault.c (cpp_include_defaults): Set it.
19231 * c.opt (-imultilib): New option.
19232 * c-opts.c (imultilib): New.
19233 (c_common_handle_option): Handle -imultilib.
19234 (c_common_post_options): Likewise.
19235 * c-incpath.c (add_standard_paths, register_include_chains):
19237 * c-incpath.h (register_include_chains): Add extra parameter.
19238 * gcc.c (do_spec_1): Generate -imultilib option.
19239 (The Specs Language): Update %I description.
19240 (process_command): Update copyright notice.
19241 * doc/cppopts.texi (-imultilib): Document.
19242 * doc/invoke.texi (-imultilib): Include in option summary.
19243 (%I): Update specs documentation.
19245 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19247 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19249 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19251 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19254 2006-01-20 Richard Guenther <rguenther@suse.de>
19255 Steven Bosscher <stevenb.gcc@gmail.com>
19257 PR rtl-optimization/24626
19258 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19259 EDGE_TRUE_VALUE if in RTL mode.
19262 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19263 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19265 2006-01-20 Dirk Mueller <dmueller@suse.com>
19268 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19269 instead of a special NOP marker.
19270 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19271 NOP marker handling.
19272 * c-common.h (empty_body_warning): Add forward declaration.
19273 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19274 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19276 2006-01-20 Paul Brook <paul@codesourcery.com>
19278 * Makefile.in (lang_checks): Keep going if mkdir fails.
19280 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19282 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19283 be able to clean out basic block when not necessary.
19284 (df_scan_free): Fixed to properly delete information if df is
19285 unused before calling df_finish.
19286 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19287 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19289 (df_bb_refs_delete): New function.
19290 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19291 * df-core.c (df_set_blocks): Added code to properly clean out
19292 unused blocks if they are not part of the blocks to consider.
19293 Added additional null check.
19294 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19295 be able to clean out basic block when not necessary
19296 * df.h (df_free_bb_function): Ditto.
19297 (df_bb_refs_delete): New function.
19298 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19299 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19300 basic block parameter to be able to clean out basic block when not
19302 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19303 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19304 Fixed to properly delete information if df is unused before
19307 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19309 PR rtl-optimization/25799
19310 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19311 Corrected confluence operator to remove bits from op2 before oring
19312 with op1 rather than removing bits from op1.
19313 (df_ru_transfer_function): Corrected test on wrong bitmap which
19314 caused infinite loop. Both of these problems were introduced in
19315 the dataflow rewrite.
19317 2006-01-19 DJ Delorie <dj@redhat.com>
19319 * reload1.c (find_reload_regs): Note the details of reload
19320 failures in the dump file.
19321 (spill_failure): Likewise.
19323 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19325 * loop-iv.c: Include df.h and hashtab.h.
19326 (enum iv_grd_result): New enum.
19327 (DF_REF_IV, DF_REF_IV_SET): New macros.
19328 (struct biv_entry): New.
19329 (df, bivs): New global variables.
19330 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19331 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19333 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19334 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19335 analyzed_for_bivness_p, record_biv): New functions.
19336 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19337 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19338 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19340 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19342 (iv_number_of_iterations): Use new interface to iv analysis.
19343 * loop-unroll.c: Do not include varray.h.
19344 (analyze_iv_to_split_insn): Use new interface to iv
19346 * loop-unswitch.c (may_unswitch_on): Ditto.
19347 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19349 (df_bb_modify): Realloc tables to the new index.
19350 (df_find_use): New function.
19351 * df.h (df_find_use): Declare.
19352 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19354 * cfgloop.h (struct rtx_iv): Remove analysed field.
19355 (iv_get_reaching_def): Removed.
19356 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19357 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19358 (loop-iv.o): Add df.h and hashtab.h dependency.
19359 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19361 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19364 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19366 (__floatundisf, __floatundidf): Likewise.
19367 * libgcc2.h (IS_IBM_EXTENDED): Define.
19369 2006-01-19 DJ Delorie <dj@redhat.com>
19371 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19373 2006-01-19 Paul Brook <paul@codesourcery.com>
19375 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19376 as nothrow when unwinding tables are disabled.
19378 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19381 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19382 of bit-field" when in system header.
19384 2006-01-19 DJ Delorie <dj@redhat.com>
19386 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19387 the 16 bit shift limit of the m16c.
19389 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19392 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19393 * config/i386/i386.c (output_set_got): Output the label if we have one
19394 for the TARGET_DEEP_BRANCH_PREDICTION case.
19396 2006-01-19 Jan Hubicka <jh@suse.cz>
19397 H.J. Lu <hongjiu.lu@intel.com>
19398 Evandro Menezes <evandro.menezes@amd.com>
19400 * invoke.texi (generic): Document
19402 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19403 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19404 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19405 (x86_use_incdec, x86_pad_returns): New variables
19406 (TARGET_CPU_DEFAULT_generic): New constant
19407 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19408 (enum processor_type): Add generic32 and generic64.
19409 * i386.md (cpu attribute): Add generic32/generic64
19410 (movhi splitter): Behave sanely when both partial_reg_dependency and
19411 partial_reg_stall are set.
19412 (K8 splitters): Enable for generic as well.
19413 * predicates.md (incdec_operand): Use TARGET_INCDEC
19414 (aligned_operand): Avoid memory mismatch stalls.
19415 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19416 * ppro.md: Enable for generic32
19417 * i386.c (generic64_cost, generic32_cost): New.
19418 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19419 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19420 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19421 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19422 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19423 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19424 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19425 x86_accumulate_outgoing_args, x86_prologue_using_move,
19426 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19427 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19428 Enable for generic.
19429 (x86_use_incdec, x86_pad_returns): New.
19430 (override_options): Add generic32 and generic64, translate "generic"
19431 to generic32/generic64 and "i686" to "generic32", refuse
19432 "generic32"/"generic64" as arch target.
19433 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19434 (ix86_reorg): Honor PAD_RETURNS.
19436 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19438 * tree-pretty-print.c (dump_generic_node): Handle
19439 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19440 * cgraph.c (cgraph_expand_queue): Rename from
19441 cgraph_analyze_queue. Update all users.
19442 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19443 cgraph_expand_queue.
19444 (cgraph_expand_all_functions): Likewise.
19445 (cgraph_finalize_pending_functions): Remove. Update callers.
19447 * tree.h (OMP_DIRECTIVE_P): Define.
19448 (OMP_PARALLEL_FN): Define.
19449 (OMP_PARALLEL_DATA_ARG): Define.
19450 (OMP_SECTIONS_SECTIONS): Define.
19451 * tree-pass.h (pass_expand_omp): Declare.
19452 * omp-low.c (struct omp_region): Declare.
19453 (struct omp_context): Remove fields 'parallel_type',
19454 'parallel_start_ix' and 'parallel_start_additional_args'.
19456 (struct omp_for_data): Rename from struct expand_omp_for_data.
19457 (omp_regions): New static variable.
19458 (root_omp_region): New static variable.
19459 (find_omp_clause): Make static.
19460 (is_in_combined_parallel_ctx): Remove.
19461 (is_combined_parallel): New.
19462 (extract_omp_for_data): Move earlier in the file.
19463 (workshare_safe_to_combine_p): New.
19464 (get_ws_args_for): New.
19465 (determine_parallel_type): Move earlier in the file.
19466 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19468 (omp_copy_decl): Likewise.
19469 (create_omp_child_function): Likewise.
19470 (lookup_omp_region): New.
19471 (dump_omp_region): New.
19472 (debug_omp_region): New.
19473 (debug_all_omp_regions): New.
19474 (new_omp_region): New.
19475 (scan_omp_parallel): If parallel_nesting_level > 1, the
19476 directive is nested within another parallel directive.
19477 Set OMP_PARALLEL_FN.
19478 (scan_omp_for): Do not try to handle combined parallel+for
19480 Remove FIXME comment.
19481 (scan_omp_nested): Remove.
19482 (scan_omp_1): Do not call scan_omp_nested when
19483 parallel_nesting_level is > 1.
19484 Do not change the DECL_CONTEXT of local variables found.
19485 (lookup_decl_in_outer_ctx): New.
19486 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19487 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19488 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19489 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19490 If CTX is nested, lookup VAR in the outer context when
19491 building copy assignment.
19492 (lower_send_clauses): Rename from expand_send_clauses.
19493 If CTX is nested, lookup VAR in the outer context when
19494 building copy assignments.
19495 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19496 If CTX is nested, lookup VAR in the outer context when
19497 building copy assignments.
19498 (expand_parallel_call): Rename from build_parallel_call.
19499 Handle combined parallel+workshare cases.
19500 Re-implement to emit code into the CFG.
19502 (expand_omp_parallel): Re-implement to emit code into the CFG.
19503 Call move_sese_region_to_fn to outline the sub-graph
19504 containing the parallel region.
19505 (expand_omp_for_1): Remove.
19506 (expand_omp_for_generic): Re-implement to emit code into the
19508 (expand_omp_for_static_nochunk): Likewise.
19509 (expand_omp_for_static_chunk): Likewise.
19510 (expand_omp_for): Likewise.
19511 (expand_omp_sections): Likewise.
19512 (remove_exit_barriers): New.
19513 (expand_omp_synch): New.
19515 (build_omp_regions_1): New.
19516 (build_omp_regions): New.
19517 (execute_expand_omp): New.
19518 (gate_expand_omp): New.
19519 (pass_expand_omp): Define.
19520 (lower_omp_sections): Rename from expand_omp_sections.
19521 Set OMP_SECTIONS_SECTIONS.
19522 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19523 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19524 (lower_omp_single): Rename from expand_omp_simple.
19525 (lower_omp_master): Rename from expand_omp_master.
19526 (lower_omp_ordered): Rename from expand_omp_ordered.
19527 (lower_omp_critical): Rename from expand_omp_critical.
19528 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19529 (lower_omp_for): Re-implement.
19530 (lower_omp_parallel): Re-implement.
19531 (lower_regimplify): Rename from expand_regimplify.
19532 (lower_omp_1): Rename from expand_omp_1.
19533 If there are syntax errors in the program, replace every
19534 OpenMP directive with NOP.
19535 Call lower_omp_* instead of expand_omp_*.
19536 (lower_omp): Rename from expand_omp.
19538 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19539 * tree-gimple.h (enum omp_parallel_type): Remove.
19540 (gimple_boolify): Declare extern.
19541 (find_omp_clause, determine_parallel_type): Remove.
19543 * gimple-low.c (lower_omp_directive): New.
19544 (lower_stmt): Call it.
19545 (record_vars_into): Move from ...
19546 (record_vars): ... here.
19547 Call record_vars_into with current_function_decl.
19549 * gimplify.c (struct gimplify_ctx): Remove fields
19550 combined_pre_p and combined_ctxp. Update users.
19551 (get_formal_tmp_var): Add documentation.
19552 (gimple_boolify): Make extern.
19553 (gimplify_expr_in_ctx): Remove. Update callers.
19554 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19555 will always be a BIND_EXPR.
19556 (gimplify_expr): Handle OMP_RETURN_EXPR.
19557 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19558 (OMP_PARALLEL): Add 3 operands.
19559 (OMP_SECTIONS): Add 1 operand.
19560 (OMP_RETURN_EXPR): Define.
19562 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19563 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19564 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19565 creating a circular free list.
19566 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19568 * tree-flow.h (move_sese_region_to_fn): Declare.
19569 (record_vars_into): Declare.
19570 * tree-cfg.c (make_omp_sections_edges): New.
19571 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19572 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19573 OMP_SECTIONS and OMP_SECTION.
19574 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19575 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19576 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19577 (gather_blocks_in_sese_region): New.
19578 (struct move_stmt_d): Declare.
19579 (move_stmt_r): New.
19580 (move_block_to_fn): New.
19581 (move_sese_region_to_fn): New.
19583 * passes.c (init_optimization_passes): Schedule
19584 pass_expand_omp after pass_init_datastructures.
19586 * tree-ssa-operands.c (get_expr_operands): Handle
19587 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19588 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19590 2006-01-19 Jeff Law <law@redhat.com>
19592 * tree-vrp.c (extract_range_from_assert): Refine the result range
19593 if the variable referenced by the ASSERT_EXPR has a range and
19594 either the tentative result range or the previous range is a
19597 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19599 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19601 2006-01-19 Jan Hubicka <jh@suse.cz>
19603 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19605 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19607 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19608 (expand_compound_operation, expand_field_assignment): Fail if the
19609 bit lengths of an extract operation are out of range.
19610 (make_extraction): Compute wanted_inner_mode based on the position
19611 and length of the extraction. Make it extraction_mode for non-constant
19612 positions, and do not modify offset in that case. When generating a
19613 new MEM, use a mode that can hold the extraction while keeping correct
19614 alignment. Remove code that supported MEMs wrapped by USEs.
19615 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19617 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19619 * config/s390/s390.md ("Y", "y"): New mode attribute.
19620 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19621 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19622 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19623 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19624 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19625 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19626 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19627 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19628 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19629 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19630 "addsi3", "subsi3"): Insn patterns removed.
19631 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19632 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19633 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19634 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19635 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19636 "*sub<mode>3_cconly2"): New insn patterns.
19637 ("addsi3", "subsi3"): New expanders.
19639 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19641 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19642 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19643 existing STMT_VINFO_VECTYPE if available.
19644 (vect_mark_relevant): Add special handling for stmts that are
19645 marked as STMT_VINFO_IN_PATTERN_P.
19646 (vect_analyze_loop): Call vect_pattern_recog.
19647 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19648 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19650 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19651 (vect_recog_func_ptr): New function-pointer type.
19652 * tree-vect-patterns.c: New file.
19653 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19654 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19655 (vect_pattern_recog_1): New functions.
19656 (vect_pattern_recog_funcs): New array of function pointers.
19658 * tree-vectorizer.h (ternary_op): New enum value.
19659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19660 declaration. Revised documentation. Removed redundant dump prints.
19661 Removed redundant argument. Added support for reduction patterns.
19662 (vectorizable_reduction): Added support for reduction patterns.
19663 (vect_transform_stmt): Added support for patterns.
19665 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19666 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19667 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19668 (expand_widen_pattern_expr): New function.
19669 (init_optabs): Initialize new optabs udot_prod_optab,
19671 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19672 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19673 (expand_widen_pattern_expr): New function declaration.
19674 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19676 * tree-inline.c (estimate_num_insns_1): Added cases for new
19677 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19678 * tree-pretty-print.c (dump_generic_node): Likewise.
19679 (op_prio): Likewise.
19680 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19681 * tree-ssa-operands.c (get_expr_operands): Added case for
19683 * tree-vect-patterns.c (widened_name_p): New function.
19684 (vect_recog_dot_prod_pattern): Added function implementation.
19685 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19686 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19687 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19688 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19690 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19691 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19692 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19693 (init_optabs): Initialize new optabs widen_ssum_optab,
19695 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19696 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19697 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19698 use instead of type of def.
19699 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19700 function implementation.
19701 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19702 widen_ssumv8hi): New.
19704 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19707 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19710 * c-decl.c (add_flexible_array_elts_to_size): New function.
19711 (finish_decl): Use it.
19713 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19715 * diagnostic.h: Include options.h.
19716 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19717 dependancies for diagnostic.h.
19718 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19720 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19722 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19723 (ssa_ro_call_cache_valid): Ditto.
19724 * tree-ssa-alias.c (sort_tags_by_id): New function.
19725 (init_transitive_clobber_worklist): Ditto.
19726 (add_to_worklist): Ditto.
19727 (mark_aliases_call_clobbered): Ditto.
19728 (compute_tag_properties): Ditto.
19729 (set_initial_properties): Ditto.
19730 (compute_call_clobbered): Ditto.
19731 (compute_may_aliases): Call compute_call_clobbered and grouping.
19732 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19733 (compute_flow_insensitive_aliasing): Grouping now happens in our
19735 (setup_pointers_and_addressables): Remove clobbering related code.
19736 (add_may_alias): Ditto.
19737 (replace_may_alias): Ditto.
19738 (get_nmt_for): Ditto.
19739 (create_global_var):
19740 (is_escape_site): Return an escape_type enumeration.
19741 * tree-flow-inline.h (is_call_clobbered): Global var does not
19742 imply call clobbered.
19743 (mark_call_clobbered): Take a reason for marking this. Remove
19744 marking of globalness, and cache invalidation.
19745 (clear_call_clobbered): Remove cache invalidation code.
19746 * tree-dfa.c (dump_variable): If details is on, dump the reason
19748 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19750 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19751 (struct var_ann_d): Ditto.
19752 (enum escape_type): New.
19753 (mark_call_clobbered): Adjust prototype.
19754 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19755 are never call clobbered.
19756 Record reasons for escaping.
19757 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19758 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19759 (ssa_ro_call_cache_valid): Ditto.
19760 (clobbered_v_may_defs): Ditto.
19761 (clobbered_vuses): Ditto.
19762 (ro_call_vuses): Ditto.
19763 (clobber_stats): New.
19764 (init_ssa_operands): Zero out clobber stats.
19765 (fini_ssa_operands): Print out clobber stats.
19766 (get_call_expr_operands): Pass callee fndecl to
19767 add_call_read_ops).
19768 (add_call_clobber_ops): Remove use of cache.
19769 Add use of PURE_CONST information.
19770 (add_call_read_ops): Remove use of cache.
19771 Add use of static not_read information.
19773 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19775 Introduce TLS descriptors for i386 and x86_64.
19776 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19777 (TARGET_ANY_GNU_TLS): New macro.
19778 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19779 (struct machine_function): Add tls_descriptor_call_expanded_p.
19780 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19781 (ix86_current_function_calls_tls_descriptor): Likewise.
19782 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19783 (override_options): Introduce gnu2 tls dialect.
19784 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19786 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19788 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19789 (ix86_init_machine_status): Initialize new field.
19790 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19791 (ix86_tls_module_base): New.
19792 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19793 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19794 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19795 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19796 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19797 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19798 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19799 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19800 * config/i386/predicates.md (tls_modbase_operand): New.
19801 (tp_or_register_operand): New.
19803 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19805 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19806 (look_for_address_of): Ditto.
19807 (ipa_init): Walk the function decls.
19808 (static_execute): Don't set readonly on FUNCTION_DECL's.
19810 2006-01-18 Roger Sayle <roger@eyesopen.com>
19812 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19813 for shifts where the source and destination registers are different.
19815 2006-01-18 Paul Brook <paul@codesourcery.com>
19817 Merge from csl-arm-branch.
19818 2005-03-14 Julian Brown <julian@codesourcery.com>
19819 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19820 (aeabi_llsl): Likewise.
19821 (ashrdi3): Likewise.
19822 (aeabi_lasr): Likewise.
19823 (lshrdi3): Likewise.
19824 (aeabi_llsr): Likewise.
19825 2005-03-10 Julian Brown <julian@codesourcery.com>
19826 * config.gcc: Disable shared libgcc for SymbianOS.
19827 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19829 2006-01-18 DJ Delorie <dj@redhat.com>
19831 * c-pragma.c (handle_pragma_diagnostic): New.
19832 (init_pragma): Register it.
19833 * doc/extend.texi: Document it.
19835 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19836 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19837 (diagnostic_context): Add classify_diagnostic[].
19838 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19839 as errors if they're overridden to DK_WARNING.
19840 (diagnostic_initialize): Initialize classify_diagnostic[].
19841 (diagnostic_set_kind_override): New.
19842 (diagnostic_report_diagnostic): Check for kind changes.
19843 * opts.c (common_handle_option): Take lang_mask. Update callers.
19844 Handle OPT_Werror_.
19845 * common.opt (Werror=): New.
19846 * doc/invoke.texi: Document -Werror=*
19848 2006-01-18 Jeff Law <law@redhat.com>
19850 * tree-vrp.c (test_for_singularity): Correct test for new
19851 min limit. Use operand_equal_p rather than pointer equality
19852 for testing if new min/max values are equal.
19854 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19855 using range information until after propagation and folding.
19857 2006-01-18 Richard Henderson <rth@redhat.com>
19858 Aldy Hernandez <aldyh@redhat.com>
19859 Jakub Jelinek <jakub@redhat.com>
19860 Diego Novillo <dnovillo@redhat.com>
19862 * omp-low.c: New file.
19863 * c-omp.c: New file.
19865 2006-01-18 Richard Henderson <rth@redhat.com>
19866 Jakub Jelinek <jakub@redhat.com>
19867 Diego Novillo <dnovillo@redhat.com>
19869 * doc/invoke.texi: Document -fopenmp.
19870 * tree-dump.h (debug_function): Declare.
19871 * hooks.c (hook_bool_tree_bool_false): New function.
19872 (hook_tree_tree_null): Remove.
19873 (hook_tree_tree_tree_null): New.
19874 * hooks.h: Update to match.
19875 * tree-pretty-print.c (debug_tree_chain): New.
19876 (print_generic_expr): Handle TDF_CHAIN.
19877 (dump_generic_node): Handle BLOCK.
19878 Do not abort with incomplete SWITCH_EXPRs.
19879 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19880 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19881 print space after directive name.
19882 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19883 Handle OMP_MASTER and OMP_ORDERED.
19884 Handle printing of OMP_BODY just in one place, goto
19885 dump_omp_body in the rest of OMP_* nodes that have
19887 Don't handle clause nodes here. Update omp statements to
19888 use dump_omp_clauses.
19889 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19890 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19891 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19892 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19893 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19894 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19895 Adjust output for GOMP_PARALLEL.
19896 (dump_omp_clauses): New.
19897 (print_declaration): Dump DECL_VALUE_EXPR.
19898 (op_symbol_1): Split out of op_symbol.
19899 (dumping_stmts): Remove. Update all users.
19900 * cgraph.c (cgraph_analyze_queue): New.
19901 (cgraph_add_new_function): New.
19902 * cgraph.h (cgraph_analyze_queue): Declare.
19903 (cgraph_add_new_function): Declare.
19904 (cgraph_lower_function): Remove.
19905 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19906 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19907 and TYPE_P nodes in its default clause.
19908 (empty_body_p): New.
19909 (tree_range_check_failed): New.
19910 (build5_stat): New.
19911 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19912 OMP_CLAUSE_REDUCTION_MERGE,
19913 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19914 OMP_CLAUSE_PRIVATE_DEBUG,
19915 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19916 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19917 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19918 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19919 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19920 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19921 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19922 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19923 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19924 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19925 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19926 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19927 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19928 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19929 (TREE_RANGE_CHECK): New.
19930 (empty_body_p): Declare.
19931 (enum omp_clause_default_kind): New.
19932 (build_string_literal): Declare.
19933 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19934 (build5_stat, build5): Declare.
19935 * tree-pass.h (TDF_CHAIN): Define.
19936 * tree-pass.h (PROP_gimple_lomp): Define.
19937 (pass_lower_omp): Declare.
19938 * diagnostic.h (debug_tree_chain): Declare.
19939 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19941 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19942 * builtins.c (build_string_literal): Make extern.
19943 * gcc.c (include_spec_function): New.
19944 (static_spec_functions): Add it.
19945 (main): Move load of libgomp.spec ...
19946 (LINK_COMMAND_SPEC): ... here.
19947 (link_gomp_spec): New.
19948 (static_specs): Include it.
19949 (LINK_COMMAND_SPEC): Add link_gomp.
19950 (GOMP_SELF_SPECS): New.
19951 (driver_self_specs): Include it.
19952 (switch_matches): Don't mark inline.
19953 (main): Load libgomp.spec.
19954 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19955 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19956 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19957 * tree-gimple.h (enum omp_parallel): Declare.
19958 (determine_parallel_type): Declare.
19959 (omp_firstprivatize_variable): Declare.
19960 (omp_reduction_init): Declare.
19961 (diagnose_omp_structured_block_errors): Declare.
19962 (struct walk_stmt_info): Add want_return_expr.
19963 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19964 (find_omp_clause): Declare.
19965 (insert_field_into_struct): Declare.
19966 (struct walk_stmt_info): Move from tree-nested.c
19967 (walk_stmts): Declare.
19968 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19970 * cgraphunit.c (cgraph_lower_function): Make static.
19971 (cgraph_finalize_pending_functions): New.
19972 (cgraph_finalize_function): Call it.
19973 (cgraph_finalize_compilation_unit): Likewise.
19974 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19975 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19976 (BT_FN_UINT_UINT): New.
19977 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19978 DEF_FUNCTION_TYPE_VAR_4): Document.
19979 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19980 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19981 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19982 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19983 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19984 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19985 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19986 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19987 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19988 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19989 into separate files.
19990 (DEF_GOMP_BUILTIN): New.
19991 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19992 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19993 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19994 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19995 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19996 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19997 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19998 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19999 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20000 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20001 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20002 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20003 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20004 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20005 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20006 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20007 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20008 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20009 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20010 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20011 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20012 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20013 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20014 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20015 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20016 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20017 * sync-builtins.def: New file, moved from builtins.def.
20018 * omp-builtins.def: New file, moved from builtins.def.
20019 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20020 * gimple-low.c (lower_function_body): Clear data.
20021 (lower_stmt): Do not handle COMPOUND_EXPR.
20022 Remove call to print_node_brief.
20023 * c-tree.h (c_finish_omp_clauses): New prototype.
20024 (C_DECL_THREADPRIVATE_P): Define.
20025 (lookup_name_no_remap, c_omp_remap_private): Remove
20026 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20027 (check_for_loop_decls): Update decl.
20028 (lookup_name_no_remap, c_omp_remap_private): Declare.
20029 (build_indirect_ref, build_modify_expr, pushdecl,
20030 pushdecl_top_level): Move to c-common.h.
20031 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20032 before the switch, but just in the 2 places that need it.
20033 * c-decl.c (diagnose_mismatched_decls): Do not check for
20034 mismatched thread-local attributes when OLDDECL is marked
20035 threadprivate and NEWDECL has no thread-local attributes.
20036 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20037 (c_gimple_diagnostics_recursively): Rename from
20038 c_warn_unused_result_recursively. Invoke
20039 diagnose_omp_structured_block_errors.
20040 (check_for_loop_decls): Return a singular decl found.
20041 * langhooks.c (lhd_omp_predetermined_sharing): Return
20042 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20043 (lhd_omp_firstprivatize_type_sizes): New.
20044 (lhd_omp_assignment): New.
20045 (lhd_omp_predetermined_sharing): New.
20046 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20047 (struct lang_hooks_for_types): Add
20048 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20049 omp_predetermined_sharing, omp_disregard_value_expr,
20050 omp_private_debug_clause, omp_clause_default_ctor,
20051 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20052 (c_finish_omp_clauses): New.
20053 (c_finish_bc_stmt): Diagnose break within omp for.
20054 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20055 (build_unary_op): Return error_mark after reporting
20057 (build_modify_expr): Likewise.
20058 * gimplify.c: Include optabs.h and pointer-set.h.
20059 (enum gimplify_omp_var_data): Declare.
20060 (struct gimplify_omp_ctx): Declare.
20061 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20063 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20064 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20065 (splay_tree_compare_decl_uid): New.
20066 (new_omp_context): New.
20067 (delete_omp_context): New.
20068 (gimple_add_tmp_var): Call omp_add_variable.
20069 (gimplify_bind_expr): Likewise.
20070 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20071 true, disregard DECL_VALUE_EXPR on the decl if any.
20072 (gimplify_expr_in_ctx): New.
20073 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20074 omp_add_variable, omp_notice_variable, omp_is_private
20075 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20076 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20077 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20078 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20079 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20080 gimplify_omp_atomic): New.
20081 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20082 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20083 OMP_CRITICAL and OMP_ATOMIC.
20084 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20085 * c-pragma.h (enum pragma_kind): Add
20086 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20087 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20088 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20089 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20090 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20091 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20092 PRAGMA_OMP_THREADPRIVATE.
20093 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20094 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20095 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20096 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20097 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20098 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20099 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20100 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20101 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20102 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20103 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20104 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20105 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20107 (struct nesting_info): Add field_map,
20108 suppress_expansion, debug_var_chain.
20109 (create_nesting_tree): Initialize them.
20110 (lookup_field_for_decl): Use field_map.
20111 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20112 (convert_local_omp_clauses): New.
20113 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20114 (walk_body): Split out of walk_function.
20115 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20116 (convert_nonlocal_reference): Handle omp statements.
20117 (convert_local_reference): Likewise.
20118 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20119 (unnest_nesting_tree): New.
20120 (lower_nested_functions): Call it.
20121 (insert_field_into_struct): Make extern.
20122 (struct walk_stmt_info): Move to tree-gimple.h.
20123 (walk_stmts): Make extern.
20124 * omp-builtins.def: New file.
20125 * tree-iterator.c (expr_only): Clarify comment.
20126 * c-common.h (pushdecl_top_level, pushdecl,
20127 build_modify_expr, build_indirect_ref,
20128 c_finish_omp_master, c_finish_omp_critical,
20129 c_finish_omp_ordered, c_finish_omp_barrier,
20130 c_finish_omp_atomic, c_finish_omp_flush,
20131 c_finish_omp_for, c_split_parallel_clauses,
20132 omp_clause_default_kind, c_omp_sharing_predetermined,
20133 c_omp_remap_decl): Declare.
20134 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20135 (OBJS-common): Add omp-low.o.
20136 (c-omp.o, omp-low.o): Add.
20137 (gimplify.o): Add dependency on $(OPTABS_H).
20138 (GTFILES): Add omp-low.c.
20139 (gt-stringpool.h): Add.
20140 * tree-cfg.c (set_bb_for_stmt): Do not update the
20141 block-to-labels map if we are currently expanding to RTL.
20142 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20144 Handle IDENTIFIER_NODE.
20145 (tree_verify_flow_info): Do not ICE when emitting error
20146 messages about invalid labels.
20147 (dump_function_to_file): Reset CFUN before emitting the body
20149 (debug_function): New.
20150 * passes.c (init_optimization_passes): Schedule
20152 * langhooks-def.h (lhd_omp_predetermined_sharing,
20153 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20155 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20156 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20157 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20158 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20159 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20160 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20161 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20162 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20163 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20164 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20165 (LANG_HOOK_DECLS): Use them.
20167 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20168 Richard Henderson <rth@redhat.com>
20169 Jakub Jelinek <jakub@redhat.com>
20170 Diego Novillo <dnovillo@redhat.com>
20172 * c-parser.c (pragma_omp_clause): Define.
20173 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20174 (c_parser_compound_statement): Likewise.
20175 (c_parser_statement): Likewise.
20176 (c_parser_pragma): Handle omp pragmas.
20177 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20178 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20179 (c_parser_omp_clause_name, check_no_duplicate_clause,
20180 c_parser_omp_variable_list,
20181 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20182 c_parser_omp_clause_copyprivate,
20183 c_parser_omp_clause_default,
20184 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20185 c_parser_omp_clause_lastprivate,
20186 c_parser_omp_clause_nowait,
20187 c_parser_omp_clause_num_threads,
20188 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20189 c_parser_omp_clause_reduction,
20190 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20191 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20192 c_parser_omp_atomic, c_parser_omp_barrier,
20193 c_parser_omp_critical, c_parser_omp_flush,
20194 c_parser_omp_for_loop, c_parser_omp_for,
20195 c_parser_omp_master, c_parser_omp_ordered,
20196 c_parser_omp_sections_scope, c_parser_omp_sections,
20197 c_parser_omp_parallel, c_parser_omp_single,
20198 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20199 * c-pragma.c (init_pragma): Do omp pragma registration here.
20200 * c.opt (fopenmp): New flag.
20202 2006-01-18 Eric Christopher <echristo@apple.com>
20204 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20205 * config/darwin.h (GOMP_SELF_SPECS): Define.
20207 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20209 * rtl.h: Remove the prototype for reg_alloc.
20211 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20214 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20215 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20216 sjlj and dwarf2 exception handling.
20217 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20218 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20219 * pa/pa.c (function_value): Treat complex and vector types as
20221 (function_arg): Likewise. Only pass scalar floats in the floating
20222 point argument registers.
20223 * pa/t-slibgcc-dwarf-ver: New file.
20224 * pa/t-slibgcc-sjlj-ver: New file.
20225 * pa/t-slibgcc-elf-ver: Delete file.
20227 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20229 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20230 unlikely_test_section_p test.
20232 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20234 * mode-switching.c (optimize_mode_switching): Make it static.
20235 * basic-block.h: Remove the prototype for
20236 optimize_mode_switching.
20238 * modulo-sched.c (sms_schedule): Make it static.
20239 * rtl.h: Remove the prototype for sms_schedule.
20241 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20242 * rtl.h: Remove the prototype for gcse_after_reload_main.
20244 * reg-stack.c (reg_to_stack): Make it static.
20245 * rtl.h: Remove the prototype for reg_to_stack.
20247 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20249 * rtl.h: Remove the prototypes for regrename_optimize and
20250 copyprop_hardreg_forward.
20252 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20254 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20255 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20256 Test against the appropriate null constant for the mode.
20257 If 'fixup_overlap' is true, swap the operands if they overlap.
20258 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20259 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20260 alpha_split_tmode_pair and adjust for above change.
20261 * config/alpha/alpha.md (movtf_internal): Adjust call to
20262 alpha_split_tfmode_pair and rely on it to swap the operands.
20263 (movti_internal): New insn and post-reload splitter.
20264 (movti): New expander.
20266 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20268 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20271 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20273 * rtlanal.c (global_reg_mentioned_p_1,
20274 global_reg_mentioned_p): Remove.
20275 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20277 * flow.c (initialize_uninitialized_subregs): Make it static.
20278 * rtl.h: Remove the prototype for
20279 initialize_uninitialized_subregs.
20281 * function.c (instantiate_virtual_regs): Make it static.
20282 * function.h: Remove the prototype for
20283 instantiate_virtual_regs.
20285 * regmove.c (regmove_optimize, combine_stack_adjustments):
20287 * rtl.h: Remove the prototypes for regmove_optimize and
20288 combine_stack_adjustments.
20290 2006-01-17 Roger Sayle <roger@eyesopen.com>
20292 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20293 (size_cost): Encode costs in bytes so that a reg-reg addition is
20294 equivalent to COSTS_N_INSNS(1).
20295 (override_options): Use the size_cost.branch_cost as the default
20296 ix86_branch_cost when optimizing for size.
20298 2006-01-18 Ben Elliston <bje@au.ibm.com>
20300 * Makefile.in (D32PBIT_FUNCS): New.
20301 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20302 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20303 D64PBIT_FUNCS and D128PBIT_FUNCS.
20304 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20305 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20307 (decnumber_dep): Define.
20308 * doc/libgcc.texi (Decimal float library routines): New node.
20309 * config/dfp-bit.h, config/dfp-bit.c: New files.
20311 2006-01-18 Ben Elliston <bje@au.ibm.com>
20313 * expr.c (emit_move_change_mode): Always adjust addresses, not
20314 just during reload. Copy replacements only during reload.
20315 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20316 emit_move_via_integer.
20318 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20320 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20321 instead of $(srcdir) and ${srcdir}.
20323 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20326 PR middle-end/11135
20327 * arm.h (struct machine_function): Add pic_reg.
20328 * arm.c (arm_pic_register): Make unsigned.
20329 (arm_override_options): Only set arm_pic_register if
20330 TARGET_SINGLE_PIC_BASE.
20331 (use_return_insn): Only test for a pic register if it is fixed.
20332 (arm_compute_save_reg0_reg12_mask): Likewise.
20333 (thumb_compute_save_reg_mask): Likewise.
20334 (legitimate_pic_operand): Factor out some known invariants.
20335 (legitimize_pic_address): If we don't have a fixed pic register,
20336 then set up a pseudo in the function entry sequence. Handle the
20337 pic base being in a pseudo.
20338 (arm_load_pic_register): Handle the pic register being in a pseudo.
20339 (arm_expand_prologue): Only set up the pic register if it is fixed.
20340 (thumb_expand_prologue): Likewise.
20341 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20342 (pic_load_addr_based_insn): Likewise.
20343 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20346 2006-01-18 Ben Elliston <bje@au.ibm.com>
20348 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20349 decimal float modes for all floating point registers.
20351 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20352 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20354 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20357 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20358 even when the pointer is not NULL.
20360 2006-01-16 Ian Lance Taylor <ian@airs.com>
20362 * common.opt (ftoplevel-reorder): New option.
20363 * cgraph.c (cgraph_asm_nodes): New global variable.
20364 (cgraph_asm_last_node): New static variable.
20365 (cgraph_order): New global variable.
20366 (cgraph_create_node): Set new order field.
20367 (cgraph_varpool_node): Likewise.
20368 (decide_is_variable_needed): Return true if not
20369 flag_toplevel_reorder.
20370 (cgraph_add_asm_node): New function.
20371 * cgraph.h (struct cgraph_node): Add order field.
20372 (struct cgraph_varpool_node): Add order field.
20373 (struct cgraph_asm_node): Define.
20374 (cgraph_asm_nodes, cgraph_order): Declare.
20375 (cgraph_add_asm_node): Declare.
20376 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20378 (cgraph_varpool_assemble_pending_decls): Call it.
20379 (cgraph_output_pending_asms): New static function.
20380 (cgraph_finalize_compilation_unit): Call it.
20381 (struct cgraph_order_sort): Define.
20382 (cgraph_output_in_order): New static function.
20383 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20384 !flag_toplevel_reorder case.
20385 * c-parser.c: Include "cgraph.h".
20386 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20388 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20389 than -fno-unit-at-a-time.
20390 * doc/invoke.texi (Option Summary): Mention
20391 -fno-toplevel-reorder.
20392 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20393 -funit-at-a-time documentation.
20395 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20396 Kazu Hirata <kazu@codesourcery.com>
20398 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20400 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20402 * Makefile.in (FUNCTION_H): New. Use it instead of
20403 function.h throughout the file.
20404 * function.h: Include tree.h.
20406 2006-01-17 Ben Elliston <bje@au.ibm.com>
20408 * recog.c: Separate some functions with whitespace.
20410 2006-01-16 Richard Henderson <rth@redhat.com>
20412 Merge from gomp branch:
20413 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20414 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20415 and rename from struct inline_data. Rename callee* to dst*;
20416 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20417 transform_new_cfg, transform_return_to_modify, and
20418 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20420 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20421 (copy_decl_for_dup): Remove.
20422 * tree-inline.c (struct inline_data): Move to header.
20423 (insert_decl_map): Export.
20424 (remap_decl): Update for member name changes. Use copy_decl hook.
20425 Allow for replacement to be a non-decl. Remove dead code.
20426 (remap_type_1): Check for existing mapping.
20427 (remap_type): Export.
20428 (remap_decls): Update for member name changes.
20429 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20430 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20431 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20432 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20433 (tree_function_versioning, build_duplicate_type): Likewise.
20434 (copy_body_r): Likewise. Export.
20435 (copy_decl_for_dup): Split into ...
20436 (copy_decl_for_dup_finish, copy_decl_to_var,
20437 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20438 (replace_ref_tree, inlining_p): Remove.
20440 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20442 * ifcvt.c (if_convert): Make it static.
20443 * rtl.h: Remove the prototype for if_convert.
20445 * local-alloc.c (local_alloc): Make it static.
20446 * rtl.h: Remove the prototype for local_alloc.
20448 * loop.c (loop_optimize): Make it static.
20449 * cfgloop.h: Remove the prototype for loop_optimize.
20452 2006-01-16 DJ Delorie <dj@redhat.com>
20454 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20457 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20459 * pa.md: Disparage copies between general and floating-point registers
20460 in 32-bit move patterns.
20462 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20465 * Makefile.in (check-%): Depend on site.exp instead of
20466 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20469 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20471 * global.c (global_alloc): Make it static.
20472 * rtl.h: Remove the prototype for global_alloc.
20474 2006-01-16 Richard Guenther <rguenther@suse.de>
20476 * tree-ssa-alias.c (struct used_part): Add write_only field.
20477 (get_or_create_used_part_for): Initialize it to true.
20478 (create_overlap_variables_for): Don't create structure variables
20479 for structures that only are written to.
20480 (find_used_portions): Handle MODIFY_EXPR to track whether a
20481 structure is only written to.
20483 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20485 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20487 * basic-block.h: Remove the prototype for
20488 partition_hot_cold_basic_blocks.
20490 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20492 * cppspec.c (lang_specific_spec_functions): Remove.
20493 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20494 * gcc.h (lang_specific_spec_functions): Remove.
20495 * gccspec.c (lang_specific_spec_functions): Remove.
20497 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20499 * combine.c (record_value_for_reg): Invalidate registers
20501 (record_dead_and_set_regs_1): Likewise, by passing them to
20502 record_value_for_reg.
20503 (record_dead_and_set_regs): Invalidate stores made by a
20504 call. We do not combine across a call, but we still
20505 relied on equivalences.
20507 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20509 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20510 vrp_int_const_binop returning non-constant nodes.
20512 2006-01-16 Paul Brook <paul@codesourcery.com>
20514 * config/m68k/m68k.c (output_move_const_into_data_reg):
20515 Output correct mnemonic for mvz and mvs.
20517 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20519 * rtl-factoring.c: Add sequence abstraction algorithm.
20520 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20521 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20523 (block_has_preserve_label): New function.
20524 * common.opt: Register new pass.
20525 * Makefile.in: Ditto.
20527 * timevar.def: Ditto.
20528 * tree-pass.h: Ditto.
20529 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20530 * rtl.h (make_jump_insn_raw): Add forward decl.
20531 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20533 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20534 Roger Sayle <roger@eyesopen.com>
20536 * fold-const.c (fold_minmax): New static function.
20537 (fold_binary) <MIN_EXPR>: Call it.
20538 <MAX_EXPR>: Likewise.
20539 * stor-layout.c (place_field): Use DECL_SIZE consistently
20540 in the computation of the new record size.
20542 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20544 * cse.c (cse_condition_code_reg): Make it static.
20545 * rtl.h: Remove the prototype for cse_condition_code_reg.
20547 * combine.c (combine_instructions): Make it static.
20548 * rtl.h: Remove the prototype for combine_instructions.
20550 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20553 * tree.c (get_file_function_name_long): Concatenate the first global
20554 object name with a string derived from the input filename of the object
20557 2006-01-16 Ben Elliston <bje@au.ibm.com>
20559 * config/i386/winnt-stubs.c: Update FSF address.
20560 * config/xtensa/ieee754-df.S: Ditto.
20561 * config/xtensa/ieee754-sf.S: Ditto.
20563 2006-01-14 Ian Lance Taylor <ian@airs.com>
20565 * ifcvt.c (noce_init_if_info): New static function, broken out of
20566 noce_process_if_block.
20567 (noce_process_if_block): Call noce_init_if_info.
20568 (check_cond_move_block): New static function.
20569 (cond_move_process_if_block): New static function.
20570 (process_if_block): Call cond_move_process_if_block.
20572 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20574 * cselib.c (hash_table): Rename to cselib_hash_table.
20575 (cselib_clear_table, discard_useless_values,
20576 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20577 cselib_init, cselib_finish): Adjust uses of hash_table.
20579 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20581 PR tree-optimization/25485
20582 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20583 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20584 is known to be false and true, respectively.
20586 2006-01-14 Richard Guenther <rguenther@suse.de>
20588 PR tree-optimization/22548
20589 PR tree-optimization/22555
20590 PR tree-optimization/22501
20591 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20592 * params.def (salias-max-array-elements): New parameter.
20593 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20594 * doc/invoke.texi (salias-max-array-elements): Document.
20595 * tree-flow-inline.h (var_can_have_subvars): We also handle
20597 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20599 * tree-ssa-structalias.c (params.h): Include.
20600 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20601 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20602 (get_constraint_for): For ADDR_EXPR operating on something
20603 containing an ARRAY_REF, add all subvars to the solution.
20604 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20605 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20606 for creating MUST_DEFs.
20607 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20609 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20611 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20613 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20614 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20615 number_of_iterations_le): New functions.
20616 (number_of_iterations_special): Removed.
20617 (number_of_iterations_exit): Do not use number_of_iterations_special.
20618 * tree.c (unsigned_type_for): Always return integer type.
20620 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20621 Richard Guenther <rguenther@suse.de>
20623 PR rtl-optimization/24257
20624 * gcse.c (find_moveable_store): Only consider a store movable
20625 when the SET_SRC of the insn can be assigned to a register.
20627 2006-01-14 Ian Lance Taylor <ian@airs.com>
20629 * tree.c (tree_not_class_check_failed): New function.
20630 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20631 (tree_not_class_check_failed): Declare.
20633 2006-01-13 Ian Lance Taylor <ian@airs.com>
20635 * reload1.c (do_output_reload): Add assertion rejecting a
20638 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20640 * combine.c (struct reg_stat): Add new fields truncation_label and
20642 (record_value_for_reg): Reset truncated_to_mode.
20643 (record_truncated_value): New function.
20644 (check_promoted_subreg): Call it. Rename to check_conversions.
20645 (combine_instructions): Rename check_promoted_subreg to
20647 (reg_truncated_to_mode): New function.
20648 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20649 (gen_lowpart_or_truncate): New function.
20650 (force_to_mode): Use it instead of gen_lowpart.
20652 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20654 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20655 VAR is a tag, not its type tag.
20657 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20659 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20660 alternatives to match style of other entries.
20661 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20663 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20665 PR tree-optimization/25771
20666 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20669 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20672 * tree-inline.c (declare_return_variable): If the return variable
20673 was marked as a non gimple complex, set the return slot variable
20674 to be a non gimple comple variable.
20676 2006-01-13 Richard Guenther <rguenther@suse.de>
20678 * builtins.c (expand_builtin_sincos): New function.
20679 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20681 (expand_builtin): Expand sincos using expand_builtin_sincos.
20683 2006-01-12 DJ Delorie <dj@redhat.com>
20685 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20686 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20687 so that constant shifts can be split.
20688 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20689 (m32c_valid_pointer_mode): Make static.
20690 (shift_gen_func_for): New.
20691 (m32c_prepare_shift): Use it. Split large const shifts into
20693 * config/m32c/predicates.md (shiftcount_operand): Allow more
20695 (longshiftcount_operand): New.
20696 * doc/md.texi (Machine Constraints): Document In6.
20698 2006-01-13 Ben Elliston <bje@au.ibm.com>
20700 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20701 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20704 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20706 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20707 to try to avoid clobbering pieces of structures when we know
20708 something about the whole structure.
20709 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20711 2006-01-13 Ben Elliston <bje@au.ibm.com>
20713 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20714 return in memory, as this is no limitation is no longer present.
20716 2006-01-12 DJ Delorie <dj@redhat.com>
20718 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20719 mova with fb, and for fb+0 -> An.
20721 * config/m32c/mov.md (peephole2): Fix enabling logic.
20723 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20724 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20725 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20726 FINI_ARRAY_SECTION_ASM_OP): Define.
20728 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20730 (m32c_legitimize_reload_address): New logic to reload FB to An.
20731 (m32c_output_reg_push): Add newline.
20732 (m32c_output_reg_pop): Likewise.
20734 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20736 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20738 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20740 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20742 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20744 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20747 2006-01-11 Ben Elliston <bje@au.ibm.com>
20749 * rtlanal.c (find_reg_note): Assert insn is not null.
20751 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20753 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20756 2006-01-11 Jeff Law <law@redhat.com>
20758 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20760 (mark_threaded_blocks, register_jump_thread): New functions.
20761 (thread_through_all_blocks): Remove unwanted argument. No
20762 longer rely on e->aux to communicate thread target info.
20763 Call mark_threaded_blocks. Release the threaded_blocks
20764 bitmap and threaded_edges vector when complete.
20765 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20766 (threaded_blocks): Remove.
20767 (tree_ssa_dominator_optimize): Remove initialization and
20768 finalization of threaded_blocks. Simplify call to
20769 thread_through_all_blocks.
20770 (thread_across_edge): Call register_jump_thread rather than
20771 storing thread information into e->aux.
20772 (free_all_edge_infos): Simplify now that e->aux is no longer
20773 used to communicate with thread_through_all_blocks.
20774 * tree-flow.h (thread_through_all_blocks): Update prototype.
20775 (register_jump_thread): Prototype.
20777 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20779 * df-core.c (df_compact_blocks, df_bb_replace): Use
20780 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20782 2006-01-11 Richard Guenther <rguenther@suse.de>
20784 PR tree-optimization/25734
20785 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20786 stop propagation after successful propagation to the LHS.
20788 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20790 * basic-block.h (control_flow_graph): Change the type of
20791 x_basic_block_info to VEC(basic_block,gc) *.
20792 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20794 (SET_BASIC_BLOCK): New.
20795 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20796 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20797 * cfgbuild.c (find_basic_blocks): Likewise.
20798 * cfglayout.c (fixup_reorder_chain): Likewise.
20799 * cfgrtl.c (create_basic_block_structure,
20800 rtl_create_basic_block): Likewise.
20801 * ifcvt.c (find_if_case_1): Likewise.
20802 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20805 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20807 * Makefile.in: Removed rotted odf.c entry.
20809 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20812 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20813 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20814 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20815 output pattern modifier, not %e.
20816 * config/cris/cris.c (cris_op_str): Update comment about pattern
20818 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20819 before falling through into...
20820 <case 'E'>: Redefined from old 'e' case.
20822 2006-01-11 Jan Hubicka <jh@suse.cz>
20825 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20827 2006-01-11 Jan Hubicka <jh@suse.cz>
20829 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20830 * i386.c (x86_decompose_lea): Kill.
20831 (ix86_rtx_costs): Kill.
20833 2006-01-11 Jan Hubicka <jh@suse.cz>
20835 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20836 * cgraph.h (cgraph_node): Add inline_decl.
20837 (cgraph_insert_node_to_hashtable): Declare.
20838 (save_inline_function_body): Declare.
20839 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20841 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20842 (cgraph_function_versioning): Update call of tree_function_versioning.
20843 (save_inline_function_body): New function.
20844 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20845 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20846 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20847 (cgraph_default_inline_p): Likewise.
20848 (cgraph_decide_inlining_incrementally): Likewise.
20849 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20850 (copy_bb): Kill saving; do updating of clones.
20851 (copy_cfg_body): Kill saving.
20852 (initialize_inlined-parameters): Likewise.
20853 (expand_call_inline): Likewise.
20855 (tree_function_versioning): New parameter "update_clones".
20856 (inlining_p): Kill saving.
20857 * tree-inline.h (tree_function_versioning): Update prototype.
20858 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20861 2006-01-11 Ian Lance Taylor <ian@airs.com>
20863 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20864 Allow undoing set of machine mode.
20865 (do_SUBST): Use enums instead of is_int.
20866 (do_SUBST_MODE): New function.
20867 (SUBST_MODE): New macro.
20868 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20869 reg and trying to replace reg_regno_rtx with a new register.
20870 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20871 (simplify_set): Use SUBST_MODE.
20872 (distribute_notes): Remove code that tried to update reg notes
20873 for regno_reg_rtx changes.
20875 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20877 PR tree-optimization/23109
20878 PR tree-optimization/23948
20879 PR tree-optimization/24123
20881 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20882 * tree-cfg.c (single_noncomplex_succ): New.
20883 * tree-flow.h (single_noncomplex_succ): Declare it.
20884 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20885 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20886 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20887 insert_bb, register_division_in, insert_reciprocals,
20888 replace_reciprocal, free_bb): New.
20889 (execute_cse_reciprocals_1): Rewritten.
20890 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20891 Do not commit any edge insertion. Always compute dominators and
20892 create the allocation pool.
20893 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20894 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20895 * targhooks.c (default_min_divistions_for_recip_mul): New.
20896 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20897 * passes.c (init_optimization_passes): Run recip after tree loop
20899 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20901 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20902 Kenneth Zadeck <zadeck@naturalbridge.com>
20904 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20905 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20906 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20907 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20908 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20909 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20910 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20911 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20912 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20913 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20914 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20915 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20916 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20917 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20918 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20919 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20920 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20921 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20922 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20923 DF_SCAN_POST_ALLOC): New macros.
20924 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20925 df_free_bb_function, df_local_compute_function, df_init_function,
20926 df_dataflow_function, df_confluence_function_0,
20927 df_confluence_function_n, df_transfer_function,
20928 df_finalizer_function, df_free_function, df_dump_problem_function,
20929 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20930 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20931 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20932 df_urec_bb_info, ) New types.
20933 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20935 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20936 df_analyze_simple_change_some_blocks,
20937 df_analyze_simple_change_one_block, df_compact_blocks,
20938 df_bb_replace, df_bb_regno_last_use_find,
20939 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20940 df_insn_regno_def_p, df_find_def, df_find_use,
20941 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20942 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20943 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20944 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20945 debug_df_chain, df_get_dependent_problem, df_chain_create,
20946 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20947 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20948 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20949 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20950 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20951 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20952 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20953 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20954 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20955 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20956 df_reorganize_refs, df_set_state, df_hard_reg_init,
20957 df_read_modify_subreg_p) New public functions.
20958 * df-core.c: The core dataflow solver and glue routines for rtl
20960 (df_init, df_add_problem, df_set_blocks, df_finish,
20961 df_hybrid_search_forward, df_hybrid_search_backward,
20962 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20963 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20964 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20965 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20966 df_reg_defined, df_find_use, df_reg_used, df_dump,
20967 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20968 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20969 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20970 debug_df_useno, reset_df_after_reload): New functions.
20971 * df-scan.c: The scanning fuctions, once in df.c, completely
20972 rewritten so that they now fully model the functionality of
20973 register usage at the backend.
20974 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20975 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20976 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20977 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20978 df_get_artificial_defs, df_get_artificial_uses,
20979 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20980 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20981 df_refs_delete, df_reorganize_refs, df_set_state,
20982 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20983 df_def_record_1, df_defs_record, df_uses_record,
20984 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20985 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20986 df_record_exit_block_uses, df_hard_reg_init): New functions.
20988 * df-problems.c: Seven concrete dataflow problems that use the
20989 scanning in df-scan.c and are solved by the engine in df-core.c.
20990 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20991 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20992 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20993 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20994 df_ru_free_bb_info, df_ru_alloc,
20995 df_ru_bb_local_compute_process_def,
20996 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20997 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20998 df_ru_transfer_function, df_ru_free, df_ru_dump,
20999 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21000 df_rd_free_bb_info, df_rd_alloc,
21001 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21002 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21003 df_rd_transfer_function, df_rd_free, df_rd_dump,
21004 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21005 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21006 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21007 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21008 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21009 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21010 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21011 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21012 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21013 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21014 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21015 df_urec_mark_reg_use_for_earlyclobber,
21016 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21017 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21018 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21019 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21020 df_chain_create_bb_process_use, df_chain_create_bb,
21021 df_chain_finalize, df_chain_free, df_chains_dump,
21022 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21023 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21024 df_reg_lifetime): New functions.
21025 * df.c: Deleted file.
21026 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21027 consistent with new df api.
21028 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21029 rest_of_handle_sms): Ditto.
21030 * web.c (unionfind_union, union_defs, entry_register, web_main):
21032 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21033 invariant_expr_equal_p, find_defs, check_dependencies,
21034 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21035 free_inv_motion_data, move_loop_invariants): Ditto.
21036 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21037 Update dependencies.
21038 (odf.c): Added defective entry that was deleted later in day.
21039 * sched-deps.c (sched_analyze_1): Ditto.
21041 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21043 * tree-ssa-operands.c (get_expr_operands): Record addressable
21044 variables directly. Do not call add_stmt_operands for CONST_DECLs
21046 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21047 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21049 2006-01-11 Ben Elliston <bje@au.ibm.com>
21051 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21052 function returns true in the positive case.
21054 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21057 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21058 for SI, DI, SF and DF modes. Add alternatives to copy between
21059 general and floating point registers to the 32-bit patterns.
21060 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21061 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21062 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21063 generating 64-bit code.
21064 * config/pa/pa.c (output_move_double): Handle copies between general
21065 and floating registers.
21067 2006-01-10 Stuart Hastings <stuart@apple.com>
21069 * config/i386/i386.md (set_got): Update.
21070 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21071 (builtin_setjmp_receiver): Mach-O support.
21072 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21073 (GOT_SYMBOL_NAME): Define.
21074 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21075 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21076 * config/i386/i386.c (override_options): Revise for Darwin.
21077 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21078 support. (darwin_x86_file_end): New. (output_set_got): Add label
21079 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21080 * config/i386/i386-protos.h (output_set_got): Likewise.
21081 * config/darwin.c (machopic_legitimize_pic_address): Update
21084 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21086 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21087 when MODE isn't BLKmode.
21089 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21091 PR rtl-optimization/25367
21092 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21094 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21097 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21098 for a negative bound.
21100 2006-01-10 Richard Guenther <rguenther@suse.de>
21102 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21103 Never override with anything constraint.
21105 2006-01-10 Jan Beulich <jbeulich@novell.com>
21107 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21108 256 bits when optimize_size.
21110 2006-01-10 Jan Beulich <jbeulich@novell.com>
21112 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21114 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21115 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21118 2006-01-10 Ben Elliston <bje@au.ibm.com>
21120 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21122 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21123 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21124 (USE_FP_FOR_ARG): Reject decimal float modes.
21125 (function_arg_advance): Likewise.
21126 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21127 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21128 point types in AltiVec vectors.
21129 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21130 (rs6000_libcall_value): Likewise.
21132 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21134 * config/xtensa/ieee754-df.S: New file.
21135 * config/xtensa/ieee754-sf.S: New file.
21136 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21137 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21138 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21140 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21142 * config/sh/predicates.md (binary_float_operator,
21143 binary_logical_operator, commutative_float_operator,
21144 equality_comparison_operator, greater_comparison_operator,
21145 less_comparison_operator, logical_operator,
21146 noncommutative_float_operator, shift_operator,
21147 symbol_ref_operand, unary_float_operator): Remove redundant
21150 2006-01-09 Jeff Law <law@redhat.com>
21152 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21153 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21154 now unused arguments. Callers updated.
21155 (eliminate_redundant_computations): Remove now unused arguments,
21157 (local_fold): Remove, no longer used.
21158 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21160 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21161 (simplify_cond): New function.
21162 (forward_propagate_into_cond): Call simplify_cond.
21164 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21166 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21167 (*vec_extractv2di_1_sse): New.
21169 2006-01-09 Ben Elliston <bje@au.ibm.com>
21171 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21173 2006-01-08 Richard Guenther <rguenther@suse.de>
21175 * tree-ssa-structalias.c (get_constraint_for): Remove
21176 anyoffset argument.
21177 (get_constraint_for_component_ref): Likewise.
21178 (do_deref): Likewise.
21179 (get_constraint_for): Likewise.
21180 (do_structure_copy): Likewise.
21181 (handle_ptr_arith): Likewise.
21182 (find_func_aliases): Likewise. Remove unused need_anyoffset
21185 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21186 Kaz Kojima <kkojima@gcc.gnu.org>
21188 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21189 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21190 (EXTRA_CONSTRAINT_C16): Remove.
21191 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21192 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21193 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21194 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21195 constants of SHmedia. Handle nested constant expressions of
21197 (andcosts): Fix the costs for SHmedia constants.
21198 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21199 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21200 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21201 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21202 (movv4hi_i, movv2si_i): Likewise.
21203 (movsi_const): Adjust the second operand of ior so to match with
21204 the Csu constraint.
21205 (movdi_const, movdi_const_32bit): Likewise.
21206 (movdi_const_16bit+1): Don't sign-extend LOW.
21207 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21209 (*double_shori): Fix the split condition. Use GEN_INT instead
21210 of get_int_mode calls. Mask lower 16-bit of the argument of
21212 (sym2GOTPLT): Remove.
21213 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21215 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21216 instead of EXTRA_CONSTRAINT_C16.
21218 2006-01-07 Ian Lance Taylor <ian@airs.com>
21219 David Edelsohn <edelsohn@gnu.org>
21221 PR rtl-optimization/25662
21222 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21223 for constant operands instead of simplify_gen_binary.
21224 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21225 after trying simplify_binary_operation
21227 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21229 * tree.c (iterative_hash_expr): Hash decls based on UID.
21231 2006-01-06 Eric Christopher <echristo@apple.com>
21233 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21234 (TARGET_UNWIND_EMIT): Fix spelling.
21235 * target.h (gcc_target): Add except_table_label.
21236 * except.c (output_function_exception_table): Use.
21237 * varasm.c (default_emit_except_table_label): New.
21238 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21240 (asm_out): Add here.
21241 * output.h (default_emit_except_table_label): Prototype.
21242 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21243 * config/darwin.c (darwin_emit_except_table_label): Define.
21244 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21246 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21248 PR tree-optimization/18527
21249 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21250 number_of_iterations_special, number_of_iterations_exit):
21251 Move base and step of an iv to a single structure. Add
21252 no_overflow flag, and use it in # of iterations analysis.
21253 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21254 folded_casts argument.
21255 (simple_iv): Pass base and step in a structure. Set no_overflow
21257 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21258 Evaluate expensiveness of computing # of iterations instead of
21259 the final expression.
21260 * tree-scalar-evolution.h (affine_iv): New structure.
21261 (simple_iv): Declaration changed.
21262 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21263 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21264 find_givs_in_stmt): Changed due to simple_iv change.
21266 2006-01-06 Jeff Law <law@redhat.com>
21269 * tree-cfg.c (bsi_replace): Rename final argument from
21270 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21271 change (stmt -> orig_stmt).
21272 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21273 (bsi_remove): Add new argument. Remove EH information
21275 (verify_eh_throw_table_statements): New function.
21276 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21278 * tree-optimize.c (execute_free_cfg_annotations): Verify
21279 the EH throw statement table after removing annotations.
21280 * except.h (verify_eh_throw_table_statements): Prototype.
21281 * tree-flow.h (bsi_remove): Update prototype.
21282 * tree-vrp.c (remove_range_assertions): Add new argument to
21284 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21285 * tree-complex.c (expand_complex_div_wide): Likewise.
21286 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21287 * tree-tailcall.c (eliminate_tailcall): Likewise.
21288 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21289 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21290 * tree-nrv.c (tree_nrv): Likewise.
21291 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21292 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21293 (combine_blocks): Likewise.
21294 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21295 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21296 (cleanup_control_flow): Likewise.
21297 (remove_forwarder_block): Likewise.
21298 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21299 * tree-sra.c (sra_replace): Likewise.
21300 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21301 (forward_propagate_single_use_vars): Likewise.
21302 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21303 * tree-inline.c (expand_call_inline): Likewise.
21304 * tree-vect-transform.c (vect_transform_loop): Likewise.
21305 * tree-outof-ssa.c (rewrite_trees): Likewise.
21306 * tree-cfg.c (make_goto_expr_edges): Likewise.
21307 (cleanup_dead_labels): Likewise.
21308 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21309 (bsi_move_before, bsi_move_after): Likewise.
21310 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21311 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21313 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21316 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21318 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21319 on non gimple variables. Also add checks at the top for decls and
21321 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21323 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21324 and IMAGPART_EXPR for creating MUST_DEFs.
21325 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21326 and NAME_MEMORY_TAG separately from the DECLs.
21328 2006-01-06 Richard Guenther <rguenther@suse.de>
21330 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21331 annotation, if necessary.
21332 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21333 redundant calls to update_stmt.
21334 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21337 2006-01-05 Richard Henderson <rth@redhat.com>
21339 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21341 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21343 * c-typeck.c: Update copyright date.
21345 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21347 * c-typeck.c (build_c_cast): Always warn when casting
21348 from a pointer to an integer of different size, even if
21349 the node was constant.
21351 2006-01-05 Richard Guenther <rguenther@suse.de>
21353 PR tree-optimization/22555
21354 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21355 if one structure field is an array.
21356 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21357 operands even if we found a subvar, but ignore VOPs in this
21359 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21361 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21363 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21365 PR middle-end/24998
21366 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21368 2006-01-05 Richard Guenther <rguenther@suse.de>
21369 Diego Novillo <dnovillo@redhat.com>
21371 * tree-pass.h (TODO_remove_unused_locals): Define.
21372 * gimple-low.c (expand_var_p, remove_useless_vars,
21373 pass_remove_useless_vars): Remove. Update all users.
21374 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21375 (remove_unused_locals): New function.
21376 * tree-flow.h (remove_unused_locals): Declare.
21377 * passes.c (execute_todo): Call remove_unused_locals if
21378 TODO_remove_unused_locals is set.
21379 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21380 * tree-ssa-dce.c (pass_dce): Likewise.
21381 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21383 2006-01-05 Richard Guenther <rguenther@suse.de>
21385 * tree-flow.h (struct fieldoff): Decompose field to
21386 type, size and decl.
21387 * tree-ssa-alias.c (create_sft): Take type as parameter.
21388 (create_overlap_variables_for): Store type, size and decl
21389 in the fieldoff structure.
21390 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21391 of struct fieldoff.
21392 (push_fields_onto_fieldstack): Likewise.
21393 (create_variable_info_for): Likewise. Use offset for the
21394 SFT name if the decl is not available.
21396 2006-01-04 Paul Brook <paul@codesourcery.com>
21398 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21400 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21402 * lambda-code.c (can_put_in_inner_loop): Relax
21404 (can_put_after_inner_loop): New function.
21405 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21406 (perfect_nestify): Change to make copies and modify uses.
21408 2006-01-04 Richard Henderson <rth@redhat.com>
21410 Merge from gomp branch:
21411 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21412 via integer constant.
21413 (pragma_lex): Remove.
21414 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21415 rather than parsing it.
21416 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21417 handle_pragma_extern_prefix): Add %< %> quotes.
21418 (registered_pragmas): New.
21419 (c_register_pragma_1): New.
21420 (c_register_pragma): Use it.
21421 (c_register_pragma_with_expansion): Likewise.
21422 (c_invoke_pragma_handler): New.
21423 (init_pragma): Use cpp_register_deferred_pragma directly for
21425 * c-pragma.h (enum pragma_kind): New.
21426 (pragma_handler): New.
21427 (c_invoke_pragma_handler): Declare.
21428 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21430 * c-common.h (c_common_pch_pragma): Update decl.
21431 * Makefile.in (c-parser.o): Update dependencies.
21432 (GTFILES): Add c-pragma.h.
21433 * c-parser.c (struct c_token): Add pragma_kind.
21434 (struct c_parser): Add in_pragma.
21435 (c_lex_one_token): Always initialize keyword and pragma_kind.
21436 Extract data for CPP_PRAGMA.
21437 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21438 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21439 Don't allow CPP_PRAGMA_EOL if in_pragma.
21440 (c_parser_consume_pragma): New.
21441 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21442 (c_parser_skip_to_end_of_parameter): Likewise.
21443 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21444 (c_parser_skip_to_pragma_eol): New.
21445 (c_parser_external_declaration): Handle CPP_PRAGMA.
21446 (c_parser_compound_statement_nostart): Likewise.
21447 (c_parser_statement_after_labels): Likewise.
21448 (c_parser_pragma): New.
21449 (pragma_lex): Likewise.
21450 (c_parser_pragma_pch_preprocess): New.
21451 (c_parser_new): Merge into ...
21452 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21454 2006-01-04 Jeff Law <law@redhat.com>
21457 * tree-cfg.c (bsi_replace): Remove the original statement
21458 from the EH throw statement table.
21460 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21462 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21463 make the prototype extern "C" and add throw ().
21466 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21467 and pos non-negative and pos + len <= 32.
21468 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21469 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21470 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21473 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21474 as well as sizes not multiple of component size.
21477 * function.c (instantiate_expr): New function.
21478 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21479 walk its DECL_VALUE_EXPR with instantiate_expr.
21481 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21482 DW_OP_deref{,_size} if address isn't going to be added.
21484 2006-01-04 Ben Elliston <bje@au.ibm.com>
21486 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21487 * config/fp-bit.c: Likewise.
21489 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21491 * dominance.c: Add comment about why we use DFS numbering
21494 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21495 Richard Henderson <rth@redhat.com>
21497 Merge from gomp-branch:
21498 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21499 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21501 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21503 PR rtl-optimization/25578
21504 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21505 pass a parameter to simplify_shift_const if changing ASHIFTRT
21508 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21510 * builtins.c (get_builtin_sync_mem): New function.
21511 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21512 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21513 Call get_builtin_sync_mem to generate mem rtx.
21515 2006-01-03 Richard Guenther <rguenther@suse.de>
21518 * stmt.c (add_case_node): Make sure to clear overflow flags
21521 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21523 Merge from gomp-branch.
21524 * config/sparc/sync.md: New file.
21525 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21526 UNSPECV_LDSTUB): New constants.
21527 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21528 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21529 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21532 2006-01-03 Roger Sayle <roger@eyesopen.com>
21534 * combine.c (reg_subword_p): New predicate to test whether the
21535 destination of a set refers to a subword/piece of a register.
21536 (try_combine): Generalize the code to merge the setting of a
21537 pseudo to a constant followed by a set of a subword of that
21538 register to a constant.
21540 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21542 * basic-block.h (control_flow_graph): Change the type of
21543 x_label_to_block_map to VEC(basic_block,gc) *.
21544 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21545 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21547 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21548 VEC(basic_block,heap) *.
21549 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21550 ssa_prop_fini): Adjust the uses of cfg_blocks.
21552 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21554 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21556 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21557 hashing trees instead of a pointer hash.
21558 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21559 compare for MEM_EXPR.
21561 PR rtl-optimization/25130
21562 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21563 when comparing MEMs for GCSE
21565 2006-01-03 Ben Elliston <bje@au.ibm.com>
21567 * targhooks.h (default_decimal_float_supported_p): Declare.
21568 * targhooks.c (default_decimal_float_supported_p): Define.
21569 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21570 `default_decimal_float_supported_p'.
21571 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21573 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21575 * combine.c (apply_distributive_law <SUBREG>): Check
21576 TRULY_NOOP_TRUNCATION.
21578 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21580 * dwarf2out.c (have_switched_text_section): Delete.
21581 (have_multiple_function_sections): New.
21582 (have_location_lists): Make 'bool'.
21583 (add_AT_loc_list): Use 'true' not '1'.
21584 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21585 (output_loc_list): Use have_multiple_function_sections.
21586 (output_ranges): Likewise.
21587 (dwarf2out_begin_function): Set have_multiple_function_sections if
21589 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21590 Check function_section rather than DECL_SECTION_NAME.
21591 (dwarf2out_finish): Use have_multiple_function_sections.
21592 Don't clear have_location_lists.
21594 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21595 Jan Hubicka <jh@suse.cz>
21597 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21598 case of conditional jump jumping to the next instruction.
21599 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21600 cases of conditional jump jumping to the next instruction.
21602 2006-01-02 Jan Hubicka <jh@suse.cz>
21604 * i386.c (*_cost): Add COSTS_N_INSNS.
21605 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21607 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21610 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21612 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21614 * config/arm/arm.c (all_fpus): Fix comment typo.
21615 * config/darwin.c: Likewise.
21616 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21617 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21618 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21620 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21622 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21623 (rs6000_split_compare_and_swapqhi): New.
21624 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21625 (sync_compare_and_swapqhi_internal): New.
21626 * config/rs6000/rs6000-protos.h: Declare.