1 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
5 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
6 that tests for CONSTANT_POOL_ADDRESS_P.
8 2006-11-15 Jakub Jelinek <jakub@redhat.com>
10 PR tree-optimization/29581
11 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
12 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
13 type is different between Y and USE, create a temporary
14 variable, initialize it at the beginning of the body bb
15 and use it as replacement instead of Y.
17 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
20 * gimplify.c (fold_indirect_ref_rhs): Use
21 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
23 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
25 * expmed.c (emit_store_flag_1): New function.
26 (emit_store_flag): Call it. If we can't find a suitable scc insn,
28 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
29 Use do_compare_rtx_and_jump.
30 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
31 * arm.md (cstoresi4): New define_expand.
32 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
33 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
34 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
36 2006-11-14 Caroline Tice <ctice@apple.com>
38 * dwarf2out.c (debug_pubtypes_section): New static global variable.
39 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
41 (pubname_table): Redefine as a vector.
42 (pubtype_table): New static global variable, defined as a vector.
43 (pubname_table_allocated): Remove static global variable.
44 (pubname_table_in_use): Remove static global variable.
45 (PUBNAME_TABLE_INCREMENT): Remove constant.
46 (size_of_pubnames): Add parameter to deal with either pubnames or
47 pubtypes, and change code to deal with table being a vector.
48 (add_pubname): Change to deal with table being a vector.
49 (add_pubtype): New function.
50 (output_pubnames): Add parameter to deal with either pubnames or
51 pubtypes, and change code to deal with table being a vector.
52 (gen_array_type_die): Add call to add_pubtype.
53 (gen_enumeration_type_die): Add call to add_pubtype.
54 (gen_struct_or_union_type_die): Add call to add_pubtype.
55 (gen_subroutine_type_die): Add call to add_pubtype.
56 (gen_typedef_die): Add call to add_pubtype.
57 (dwarf2out_init): Add code to initialize pubname_table and
58 pubtype_table vectors; also initialize debug_pubtypes_section.
59 (prune_unused_types): Change to deal with pubnames being a vector.
60 (dwarf2out_finish): Change to deal with pubnames being a vector; add
61 pubnames table to call to output_pubnames; Add code to output pubtypes
62 table if DEBUG_PUBTYPES_SECTION is defined.
63 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
65 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
67 2006-11-14 Joseph Myers <joseph@codesourcery.com>
69 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
70 iwmmxt_nregs if TARGET_IWMMXT_ABI.
71 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
72 movv2si_internal): Support moves between core registers.
74 2006-11-14 Eric Christopher <echristo@apple.com>
76 * configure: Regenerate with autoconf 2.59.
78 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
80 Fix PR tree-optimization/27755
82 * tree-ssa-pre.c: Update comments.
83 (bb_bitmap_sets): Add pa_in and deferred member.
84 (BB_DEFERRED): New macro.
85 (maximal_set): New variable.
86 (pre_stats): Add pa_insert member.
87 (bitmap_set_and): Short circuit orig == dest.
88 (bitmap_set_subtract_values): New function.
89 (bitmap_set_contains_expr): Ditto.
90 (translate_vuses_through_block): Add phiblock argument.
91 (dependent_clean): New function.
92 (compute_antic_aux): Update for maximal_set changes.
93 (compute_partial_antic_aux): New function.
94 (compute_antic): Handle partial anticipation.
95 (do_partial_partial_insertion): New function.
96 (insert_aux): Handle partial anticipation.
97 (add_to_sets): Add to maximal set.
98 (compute_avail): Ditto.
99 (init_pre): Initialize maximal_set.
100 (execute_pre): Do partial anticipation if -O3+.
102 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
104 PR rtl-optimization/29798
106 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
107 TARGET_INSN before any other check.
108 (fwprop_init): Always calculate dominators.
109 (fwprop_done): Always free them.
111 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
113 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
116 2006-11-13 DJ Delorie <dj@redhat.com>
118 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
119 temporary for intermediates.
121 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
123 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
124 (sh_optimize_target_register_callee_saved): #if 0 the code
125 using NOTE_INSN_LOOP_{BEG,END}.
127 2006-11-13 Roger Sayle <roger@eyesopen.com>
129 * fold-const.c (optimize_bit_field_compare): Recursively call
130 fold when simplifying non-constant comparisons between bit-fields.
132 2006-11-13 Jakub Jelinek <jakub@redhat.com>
134 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
136 * configure: Rebuilt.
138 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
140 * config/rs6000/cell.md: New file.
141 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
143 (ppccell_cost): New cost matrix.
144 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
145 (rs6000_override_options): Set rs6000_always_hint to false
146 for cell. Also align functions/lables/loops to 8byte
147 for the Cell. Use PROCESSOR_CELL.
148 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
150 (rs6000_variable_issue): If the insn is a nonpipelined instruction
151 on the Cell, return 0.
152 (rs6000_adjust_cost): Add Cell cost adjustments.
153 (is_microcoded_insn): Return true for Cell microcoded
155 (is_nonpipeline_insn): New function.
156 (rs6000_issue_rate): Add PROCESSOR_CELL.
157 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
159 (rs6000_use_sched_lookahead_guard): New function.
160 (rs6000_sched_reorder): Reorder the ready list, if the second
161 to last ready insn is a nonepipeline insn on the Cell.
162 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
163 (ASM_CPU_SPEC): Add Cell.
164 * config/rs6000/rs6000.md (cpu): Add Cell.
165 (cell_micro): New Attr.
168 2006-11-13 Jakub Jelinek <jakub@redhat.com>
170 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
172 * configure: Rebuilt.
174 2006-11-13 Richard Guenther <rguenther@suse.de>
176 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
178 (ix86_expand_lfloorceil): Likewise.
179 (ix86_expand_rint): Likewise.
180 (ix86_expand_floorceildf_32): Likewise.
181 (ix86_expand_floorceil): Likewise.
182 (ix86_expand_rounddf_32): Likewise.
183 (ix86_expand_truncdf_32): Likewise.
184 (ix86_expand_round): Likewise.
186 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
187 Mark Mitchell <mark@codesourcery.com>
189 * gcc.c: Organize search path variables into $prefix relative,
190 and well-known native. Add comments.
191 (add_sysrooted_prefix): Add comment.
192 (process_command): If !gcc_exec_prefix add $prefix based paths.
193 If *cross_compile == '0', add native well-known paths.
194 Assert tooldir_base_prefix is always relative.
195 (main): If print_search_dirs, and if gcc_exec_prefix is set,
196 use this value for 'install:' path.
197 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
199 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
201 * config/i386/i386.c: Fix a typo in comment.
203 2006-11-13 Michael Matz <matz@suse.de>
205 * genemit.c (gen_expand): Allocate enough memory.
207 2006-11-13 Joseph Myers <joseph@codesourcery.com>
209 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
210 __GXX_TYPEINFO_EQUALITY_INLINE but not
211 __GXX_MERGED_TYPEINFO_NAMES.
212 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
213 __GXX_MERGED_TYPEINFO_NAMES.
214 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
215 __GXX_TYPEINFO_EQUALITY_INLINE.
217 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
218 Zdenek Dvorak <dvorakz@suse.cz>
220 PR tree-optimization/29680
221 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
224 2006-11-12 Jason Merrill <jason@redhat.com>
225 Andrew Pinski <pinskia@physics.uc.edu>
228 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
230 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
232 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
233 * tree.c (build_vector): Handle non-_CST elements.
235 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
237 * genemit.c (gen_insn): Call gen_exp with a non-null used
238 when handling multiple insns.
239 (gen_expand): Likewise.
240 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
241 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
242 (movsi_const_16bit+1): Copy operands[1].
243 (call_pcrel): Copy the call_site pattern.
244 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
246 2006-11-12 Roger Sayle <roger@eyesopen.com>
248 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
249 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
250 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
251 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
253 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
255 Fix PR tree-optimization/29587
256 * tree-ssa-structalias.c (process_constraint): Don't
257 mark address taken due only to escaped vars constraint.
259 2006-11-12 Michael Matz <matz@suse.de>
260 Roger Sayle <roger@eyesopen.com>
262 PR rtl-optimization/29797
263 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
264 BITS_BIG_ENDIAN targets.
266 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
268 * builtins.c (fold_builtin_cosh): New.
269 (fold_builtin_1): Use it.
270 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
271 trunc to the list of "odd" functions. Also add llrint, lrint,
272 rint and nearbyint when flag_rounding_math is false.
274 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
276 * tree-flow.h (name_mappings_registered_p): Declare.
277 * tree-into-ssa.c (name_mappings_registered_p): New function.
278 * tree-cfg.c (tree_can_merge_blocks_p): Check
279 name_mappings_registered_p instead of need_ssa_update_p.
281 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
283 * tree-ssa-loop.c (tree_vectorize): Return the result of
285 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
287 * tree-vectorizer.h (vectorize_loops): Declaration removed.
288 * tree-flow.h (vectorize_loops): Declaration changed.
290 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
292 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
294 (issue_prefetch_ref): Move assignment to write_p out of loop.
295 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
296 SIMULTANEOUS_PREFETCHES into account.
297 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
298 * lambda-code.c (lcm): Renamed to ...
299 (least_common_multiple): ... and exported.
300 * tree-flow.h (least_common_multiple): Declare.
302 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
304 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
305 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
306 ud-chains. Handle AND_EXPR.
307 (record_estimate): Record whether the estimate is realistic
308 and whether it is derived from a loop exit.
309 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
310 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
312 (compute_estimated_nb_iterations): Take only realistic bounds into
313 account. Set estimate_state. Use double_ints.
314 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
315 and infer_loop_bounds_from_signedness. Do not consider basic blocks
316 that do not have to be always executed.
317 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
318 to determine whether to call infer_loop_bounds_from_undefined
319 and compute_estimated_nb_iterations.
320 (n_of_executions_at_most): Use double_ints.
321 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
322 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
323 * double-int.c (double_int_to_tree): Improve comment.
324 (double_int_fits_to_tree_p): New function.
325 * double-int.h (double_int_fits_to_tree_p): Declare.
326 * tree-data-ref.c: Include langhooks.h.
327 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
328 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
329 (analyze_array): Do not pass estimate_only argument to
330 analyze_array_indexes.
331 (get_number_of_iters_for_loop): Build tree from the stored double_int
333 (get_references_in_stmt, find_data_references_in_stmt): New functions.
334 (find_data_references_in_loop): Use find_data_references_in_stmt.
335 * tree-data-ref.h (struct data_ref_loc_d): New.
336 (get_references_in_stmt): Declare.
337 (estimate_iters_using_array): Declaration removed.
338 * cfgloop.h (struct nb_iter_bound): Change type of bound to
339 double_int. Improve comments. Add is_exit and realistic
341 (struct loop): Changed type of estimated_nb_iterations to double_int.
342 Added estimate_state field.
343 (record_estimate): Declaration removed.
345 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
347 * params.c (set_param_value): Initialize the "set" field.
348 * params.h (struct param_info): Add "set" field.
349 (PARAM_SET_P): New macro.
350 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
351 L1_CACHE_LINE_SIZE): New macros.
352 * toplev.c (DEFPARAM): Initialize the "set" field.
353 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
354 SIMULTANEOUS_PREFETCHES): Removed.
355 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
356 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
357 * config/sparc/sparc.c: Include params.h.
358 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
359 L1_CACHE_LINE_SIZE parameters.
360 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
362 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
364 * config/i386/i386.c: Include params.h.
365 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
366 (override_options): Set SIMULTANEOUS_PREFETCHES and
367 L1_CACHE_LINE_SIZE parameters.
368 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
369 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
370 L1_CACHE_LINE_SIZE parameters.
371 * config/ia64/ia64.c (ia64_optimization_options): Set
372 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
373 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
375 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
376 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
377 * doc/invoke.texi: Document new params.
379 2006-11-12 Roger Sayle <roger@eyesopen.com>
381 PR tree-optimization/13827
382 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
385 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
387 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
388 update_single_exit_for_duplicated_loops): New functions.
389 (duplicate_loop_to_header_edge): Use
390 update_single_exit_for_duplicated_loops.
391 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
392 functions only with ENABLE_CHECKING.
394 2006-11-12 Andreas Schwab <schwab@suse.de>
396 * except.c (sjlj_emit_function_enter): Remove unused variable.
398 2006-11-11 Roger Sayle <roger@eyesopen.com>
400 * fold-const.c (int_binop_types_match_p): New function.
401 (size_binop): Relax constraint that both arguments must both have
402 exactly the same sizetype type. Instead use int_binop_types_match_p.
403 (size_diffop): Likewise.
405 (make_range): Use build_int_cst instead of fold_convert.
406 (fold_cond_expr_with_comparison): Use build_int_cst to construct
407 integer constants of the correct type.
408 (fold_div_compare): Likewise.
409 (fold_single_bit_test): Likewise.
410 (fold_binary): Likewise.
411 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
412 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
414 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
417 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
418 non null value if the struct memory access is in the 0th
421 2006-11-12 Jie Zhang <jie.zhang@analog.com>
424 2006-11-11 Jie Zhang <jie.zhang@analog.com>
425 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
428 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
429 instead of builtin_define for bfin and BFIN.
431 2006-11-11 Jie Zhang <jie.zhang@analog.com>
433 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
436 2006-11-11 Jan Hubicka <jh@suse.cz>
438 * extended.texi (__builtin_expect): We no longer require second argument
440 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
441 * builtins.c (expand_builtin_expect): Simplify.
442 (expand_builtin_expect_jump): Kill.
443 * final.c (final_scan_insn): Do not skip the removed notes.
444 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
445 EXPECTED_VALUE): Remove.
446 * dojump.c (do_jump): Do not care about __builtin_expect.
447 * predict.c (expected_value_to_br_prob): Kill.
448 * function.c (expand_function_end): Do not expand
449 NOTE_INSN_REPEATED_LINE_NUMBER.
450 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
451 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
452 * cfgexpand.c (add_reg_br_prob_note): Export.
453 * cfgcleanup.c (rest_of_handle_jump2): Do not call
454 expected_value_to_br_prob.
455 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
456 * rtl.h (add_reg_br_prob_note): Declare.
458 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
462 2006-11-11 Jan Hubicka <jh@suse.cz>
464 * predict.c (predict_loops): Kill RTL variant.
466 2006-11-11 Jan Hubicka <jh@suse.cz>
468 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
469 * modulo-sched.c (find_line_note): Remove.
470 (loop_canon_p): Do not worry about line number notes.
471 (sms_schedule): Likewise.
472 * cse.c (cse_main): Likewise.
473 * regmove.c (fixup_match_1): Likewise
474 * function.c (emit_return_info_block): Likewise.
475 (expand_function_end): Likewise.
476 (thread_prologue_an_epilogue_insns): Likewise.
477 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
479 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
480 emit_note_copy_after): Kill.
481 (emit_note_copy): Do not worry about line numbers.
482 * jump.c (purge_line_number_notes): Kill.
483 (pass_purge_lineno_notes): Kill.
484 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
486 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
487 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
488 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
489 * tree-pass.h (pass_purge_lineno_notes): Kill.
490 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
491 rm_redundant_line_notes.
492 * sched-rgb.c (schedule_region): Don't rm_line_notes,
493 rm_redundant_line_notes.
494 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
495 * haifa-sched.c: Update comment about handling notes.
496 (unlink_line_notes): Kill.
497 (rm_line_notes): Kill.
498 (save_line_notes): Simplify.
499 (rm_redundant_line_notes): Kill.
501 2006-11-11 Richard Guenther <rguenther@suse.de>
503 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
504 Remove unused tree codes.
505 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
506 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
507 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
508 * tree.c (stabilize_reference): Likewise.
509 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
510 fold_unary): Likewise.
511 * tree-gimple.c (is_gimple_cast): Likewise.
512 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
513 * expr.c (expand_expr_real_1): Likewise.
514 * tree-eh.c (tree_could_trap_p): Likewise.
515 * gimplify.c (gimplify_expr): Likewise.
516 * tree-inline.c (estimate_num_insns_1): Likewise.
517 * tree-cfg.c (verify_expr): Likewise.
519 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
521 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
522 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
523 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
525 2006-11-11 Richard Sandiford <richard@codesourcery.com>
528 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
529 constraints accept neither registers or memories.
531 2006-11-11 Jie Zhang <jie.zhang@analog.com>
533 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
534 (NO_PROFILE_COUNTERS): Define as 1.
536 2006-11-10 Roger Sayle <roger@eyesopen.com>
538 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
539 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
541 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
543 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
545 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
547 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
548 (fold_builtin_hypot): Likewise.
549 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
551 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
553 2006-11-10 Roger Sayle <roger@eyesopen.com>
555 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
556 when attempting to build INTEGER_CSTs of non-integral types.
557 * expmed.c (make_tree): Use the correct type, i.e. the inner
558 type, when constructing the individual elements of a CONST_VECTOR.
560 2006-11-10 Jan Hubicka <jh@suse.cz>
562 * cse.c (cse_process_notes): Copy the propagated value.
563 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
565 * gcse.c (try_replace_reg): Copy the replacement.
566 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
567 (assign_386_stack_local): Always return copied memory expression
568 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
571 2006-11-10 Jan Hubicka <jh@suse.cz>
573 * final.c (final): Walk from first instruction.
574 * cfglayout.c (insn_locators_initialize): Remove line number notes.
576 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
579 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
581 (umulv8hi3_highpart): Ditto.
582 (vec_widen_smult_hi_v8hi): New expander.
583 (vec_widen_smult_lo_v8hi): Ditto.
585 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
588 * builtins.c (do_mpfr_arg3): New.
589 (fold_builtin_1): Handle builtins fma, fmin and fmax.
591 2006-11-09 Eric Christopher <echristo@apple.com>
596 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
597 * config.gcc (powerpc64-*-darwin*): New target.
598 * config.host: Ditto.
599 * config/rs6000/darwin64.h: New file.
600 * config/rs6000/x-darwin64: Ditto.
601 * config/rs6000/host-ppc64-darwin.c: Ditto.
603 2006-11-09 Steve Ellcey <sje@cup.hp.com>
605 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
606 routines for integer division.
608 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
610 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
612 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
615 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
617 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
619 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
620 simplify_subreg with BLKmode outer mode.
622 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
624 * doc/invoke.texi: Minor formatting fixes in option lists.
626 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
628 PR tree-optimization/29738
629 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
630 (ccp_lattice_t): Remove UNKNOWN_VAL.
631 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
632 Do not handle UNKNOWN_VAL.
633 (get_default_value): Set initial value of virtual operands to
635 (get_value): Always use get_default_value on uninitialized
637 (set_value_varying, surely_varying_stmt_p): New functions.
638 (set_lattice_value): Do not pass argument to get_value.
639 Do not handle UNKNOWN_VAL.
640 (likely_value): Follow the semantics described in the comment.
641 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
642 phi nodes DONT_SIMULATE_AGAIN.
643 (ccp_fold): Do not pass argument to get_value.
644 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
647 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
649 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
650 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
652 2006-11-08 Roger Sayle <roger@eyesopen.com>
654 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
655 test for inclusion rather than as a test for exclusion.
656 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
657 the condition after calling fold_binary.
658 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
659 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
660 * builtins.c (fold_builtin_isascii): Likewise.
661 (fold_builtin_isdigit): Likewise.
663 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
665 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
666 * configure: Regenerate.
668 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
670 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
671 enum argument instead of bool.
672 (vect_analyze_operations): Call vectorizable_type_promotion.
673 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
674 stmt_vec_info_type value.
675 (supportable_widening_operation, vectorizable_type_promotion): New
676 function declarations.
677 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
678 (vectorizable_type_promotion): New function.
679 (vect_transform_stmt): Call vectorizable_type_promotion.
680 * tree-vect-analyze.c (supportable_widening_operation): New function.
681 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
683 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
686 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
687 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
688 * tree-inline.c (estimate_num_insns_1): Add cases for above new
690 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
691 * expr.c (expand_expr_real_1): Likewise.
692 * optabs.c (optab_for_tree_code): Likewise.
693 (init_optabs): Initialize new optabs.
694 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
695 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
696 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
697 vec_unpacku_lo_optab): Initialize new optabs.
698 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
699 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
700 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
702 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
703 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
704 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
705 (vec_unpacku_lo_optab): New optabs.
706 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
707 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
708 (vec_widen_smult_hi, vec_widen_smult_lo): New.
709 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
710 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
711 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
713 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
714 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
715 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
716 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
717 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
718 implement the unsigned unpacking patterns.
719 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
720 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
721 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
722 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
723 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
724 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
725 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
726 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
727 multiplication patterns.
729 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
730 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
731 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
732 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
733 (rs6000_builtin_mul_widen_odd): New.
734 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
735 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
736 * tree-vectorizer.h (enum vect_relevant): New enum type.
737 (_stmt_vec_info): Field relevant chaned from bool to enum
739 (STMT_VINFO_RELEVANT_P): Updated.
740 (STMT_VINFO_RELEVANT): New.
741 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
742 instead of STMT_VINFO_RELEVANT_P.
743 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
744 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
745 and boolean variable with enum vect_relevant.
746 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
747 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
748 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
750 2006-11-08 Richard Henderson <rth@redhat.com>
752 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
753 vec_widen_umult_lo_v8hi): New.
754 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
755 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
757 * config/i386/i386.c (ix86_expand_sse_unpack): New.
758 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
759 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
760 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
761 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
762 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
763 vec_unpacks_lo_v4si): New.
765 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
767 * tree-vect-transform.c (vectorizable_type_demotion): New function.
768 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
769 (vect_analyze_operations): Call vectorizable_type_demotion.
770 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
771 stmt_vec_info_type value.
772 (vectorizable_type_demotion): New function declaration.
773 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
776 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
777 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
779 * tree-iniline.c (estimate_num_insns_1): Likewise.
780 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
781 * optabs.c (optab_for_tree_code): Likewise.
783 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
784 compared against the predicate of the result is not 'mode' (the input
785 to the function) but a mode with half the size of 'mode'.
786 (init_optab): Initialize new optabs.
787 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
789 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
791 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
792 (vec_pack_usat_optab): Initialize new optabs.
793 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
794 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
796 2006-11-08 Richard Henderson <rth@redehat.com>
798 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
799 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
800 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
801 (vec_interleave_highv4si, vec_interleave_lowv4si):
802 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
804 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
806 * tree-vect-transform.c (vectorizable_reduction): Support multiple
808 (vect_transform_stmt): Removed redundant code.
810 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
812 * tree-vect-transform.c (vectorizable_operation): Support multiple
815 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
817 * tree-vect-transform.c (vect_align_data_ref): Removed.
818 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
819 Updated function documentation. Return the increment stmt in ptr_incr.
820 (bump_vector_ptr): New function.
821 (vect_get_vec_def_for_stmt_copy): New function.
822 (vect_finish_stmt_generation): Create a stmt_info to newly created
824 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
826 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
827 VF is greater than the number of elements that can fit in one vector
829 (vectorizable_operation, vectorizable_condition): Likewise.
830 (vectorizable_store, vectorizable_load): Support the case that the VF
831 is greater than the number of elements that can fit in one vector word.
832 (vect_transform_loop): Don't fail in case of multiple data-types.
833 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
834 in case of multiple data-types; the smallest type determines the VF.
835 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
836 if they are of different sizes.
837 (vect_update_misalignment_for_peel): Compare misalignments in terms of
838 number of elements rather than number of bytes.
839 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
840 (vect_can_advance_ivs_p): Fix a dump printout
842 2006-11-07 Eric Christopher <echristo@apple.com>
844 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
846 * libgcc2.h: Remove transformation of bswap routines.
847 * config/i386/i386.md (bswapsi2): New.
850 2006-11-07 Jakub Jelinek <jakub@redhat.com>
852 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
853 (handle_gnu_inline_attribute): New function.
854 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
855 (merge_decls, start_decl, start_function): Likewise.
856 * doc/extend.texi: Document gnu_inline attribute.
858 2006-11-07 Steve Ellcey <sje@cup.hp.com>
861 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
862 _fixunstfdi, and _floatditf
864 2006-11-06 Anatoly Sokolov <aesok@post.ru>
866 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
868 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
869 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
870 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
871 which start in an odd register.
873 2006-11-07 Richard Sandiford <richard@codesourcery.com>
875 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
877 2006-11-07 Josh Conner <jconner@apple.com>
879 * doc/invoke.texi (fstrict-aliasing): Move implementation
881 * doc/tree-ssa.texi (Alias analysis): ...here.
883 2006-11-07 Richard Guenther <rguenther@suse.de>
885 PR tree-optimization/29610
886 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
887 of tree_purge_dead_eh_edges as it may free dominators.
889 * g++.dg/other/pr29610.C: New testcase.
891 2006-11-07 David Ung <davidu@mips.com>
893 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
894 costs when optimizing for size.
895 (override_options): Use mips_rtx_cost_optimize_size table for cost
898 2006-11-07 Jie Zhang <jie.zhang@analog.com>
900 * gcc.c (process_command): Treat -b as normal switch if its argument
903 2006-11-07 David Ung <davidu@mips.com>
905 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
908 2006-11-06 Eric Christopher <echristo@apple.com>
910 * config.gcc: Add x86_64-darwin host support.
911 * config.host: Ditto.
912 * config/i386/darwin64.h: New file.
913 * config/i386/t-darwin64: Ditto.
915 2006-11-06 Janis Johnson <janis187@us.ibm.com>
917 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
918 and output-exists-not.
920 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
923 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
924 checking for overflow.
926 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
928 * configure.ac: Fixed typo in case statement: :: changed to ;;
930 2006-11-06 Bob Wilson <bob.wilson@acm.org>
932 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
933 count_leading_zeros, and count_trailing_zeros.
934 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
935 (TARGET_FOLD_BUILTIN): Define.
936 (TARGET_EXPAND_BUILTIN): Define.
937 (xtensa_init_builtins): New.
938 (xtensa_fold_builtin): New.
939 (xtensa_expand_builtin): New.
940 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
941 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
942 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
943 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
944 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
945 (any_extend): New code macro.
946 (u, su): New code attributes.
947 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
948 (nsau): Remove; replaced by clzsi2.
949 (ffssi2): Use clzsi2.
950 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
951 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
952 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
953 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
954 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
956 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
958 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
960 * config/arm/t-strongarm-elf: Likewise.
961 * config/arm/t-pe: Likewise.
962 * config/arm/t-arm-elf: Likewise.
963 * config/arm/t-xscale-elf: Likewise.
964 * config/arm/t-arm-coff: Likewise.
965 * config/arm/t-xscale-coff: Likewise.
966 * config/arm/t-wince-pe: Likewise.
968 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
970 * config/sh/lib1funcs-4-300.asm: Guard entire file with
973 2006-11-05 Jakub Jelinek <jakub@redhat.com>
976 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
979 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
982 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
983 as a valid 80387 constant.
984 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
985 * config/i386/i386.md (unnamed splitter): Split the load of
986 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
989 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
991 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
992 from the soft-frame, argument and virtual registers.
994 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
996 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
997 patterns for standard 80387 constants.
999 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1000 Steven Bosscher <steven@gcc.gnu.org>
1002 * fwprop.c: New file.
1003 * Makefile.in: Add fwprop.o.
1004 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1005 * passes.c (init_optimization_passes): Schedule forward propagation.
1006 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1008 * timevar.def (TV_FWPROP): New.
1009 * common.opt (-fforward-propagate): New.
1010 * opts.c (decode_options): Enable forward propagation at -O2.
1011 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1012 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1013 canon_for_address, table_size): Remove.
1014 (new_basic_block, insert, remove_from_table): Remove references to
1016 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1017 simplification loop more straightforward by not calling fold_rtx
1019 (equiv_constant): Move here a small part of fold_rtx_subreg,
1020 do not call fold_rtx. Call avoid_constant_pool_reference
1022 * recog.h (canonicalize_change_group): New.
1024 * doc/invoke.texi (Optimization Options): Document fwprop.
1025 * doc/passes.texi (RTL passes): Document fwprop.
1027 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1029 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1030 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1031 (grokdeclarator): Likewise.
1033 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1035 * tree-dump.c (dump_enable_all): Rename local variable
1036 ir_type to avoid name conflicts.
1037 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1038 instead of using ir_type().
1039 * profile.c (tree_register_profile_hooks): Likewise.
1040 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1041 * basic-block.h (struct edge_def): Likewise.
1042 * config/arm/arm.c (legitimize_pic_address): Likewise.
1043 * coretypes.h (ir_type): New enum of all intermediate languages
1045 * cfghooks.c (ir_type): Rename to...
1046 (current_ir_type): ...this. Distinguish between cfgrtl and
1047 cfglayout mode when the current IR is RTL. Return enum ir_type.
1048 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1050 2006-11-03 Paul Brook <paul@codesourcery.com>
1052 * config/arm/arm.c (arm_file_start): New function.
1053 (TARGET_ASM_FILE_START): Define.
1054 (arm_default_cpu): New variable.
1055 (arm_override_options): Set arm_default_cpu.
1057 2006-11-03 David Ung <davidu@mips.com>
1059 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1060 PROCESSOR_24KC and PROCESSOR_24KF.
1061 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1062 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1063 (mips_rtx_cost_data): Add costs for the 24kc.
1064 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1065 * config/mips/24k.md: Remove references to 24k and replace with
1066 uses of 24kc/24kf in the appropriate reservations.
1067 * doc/invoke.texi (MIPS Options): Updated.
1069 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1071 * config/sh/crt1.asm: Fix #ifdef indent.
1073 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1074 Merged from STMicroelectronics sources:
1075 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1076 * config/sh/crt1.asm (vbr_600): Add missing #if.
1077 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1078 * sh.opt (mfused-madd): New option.
1079 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1080 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1081 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1082 Remove pointless handler at VBR+0.
1083 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1084 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1085 fr7. Make sure the timer handler is called with the correct FPU
1086 precision setting, according to the ABI.
1087 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1088 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1089 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1090 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1091 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1092 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1093 zero as second operand.
1094 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1095 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1096 Fixed some bugs related to negative values, in particular -0
1097 and overflow at -0x80000000.
1098 * config/sh/divcost-analysis: Added sh4-300 figures.
1099 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1100 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1101 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1102 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1103 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1104 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1106 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1108 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1109 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1110 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1111 mac_mem, mem_mac, dfp_mul, fp_cmp.
1112 (insn_class, dfp_comp, any_fp_comp): Update.
1113 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1114 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1115 (muldf3_i): Likewise.
1116 (movsi_i): Split rI08 alternative into two separate alternatives.
1118 (movsi_ie, movsi_i_lowpart): Likewise.
1119 (movqi_i): Split ri alternative into two separate alternatives.
1121 * sh1.md (sh1_load_store, sh1_fp): Update.
1122 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1123 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1124 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1125 (sh4a_fp_double_arith): Likewise.
1126 * sh4-300.md: New file.
1127 * sh.c (sh_handle_option): Handle m4-300* options.
1128 (sh_adjust_cost): Fix latency of auto-increments.
1129 Handle SH4-300 differently than other SH4s. Check for new insn types.
1130 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1131 been set by an option.
1132 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1133 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1134 (mbranch-cost=): Likewise.
1135 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1137 * sh.md (mulsf3): Remove special expansion code.
1138 (mulsf3_ie): Now a define_insn_and_split.
1139 (macsf3): Allow for TARGET_SH4.
1141 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1142 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1143 (expand_cbranchdi4): Likewise.
1144 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1145 CONST_DOUBLE if the outer code is COMPARE.
1146 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1147 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1148 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1149 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1150 Remove redundant fp_{zero,one}_operand checks.
1151 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1152 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1153 (expand_cbranchdi4): Likewise.
1154 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1155 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1157 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1159 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1162 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1164 * doc/invoke.texi: Fix mfp-trap-mode typo.
1166 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1168 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1169 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1170 file_end_indicate_exec_stack.
1171 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1173 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1174 for a non-executable stack.
1175 * crti.asm: Likewise.
1176 * crtn.asm: Likewise.
1177 * libunwind.S: Likewise.
1179 2006-11-02 Ben Elliston <bje@au.ibm.com>
1181 * tree-ssa.c (warn_uninit): Use expand_location variables for
1182 locus and declaration locus.
1184 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1187 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1188 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1189 cmp{eq,gt,gtu}{si,di}_media.
1190 (*cmpne0si_media): Remove.
1191 (*movsicc_umin): Adjust gen_cmp*_media call.
1192 (unordered): Change the mode of unordered and operands[1] to
1194 (seq): Adjust gen_cmp*_media calls. Make the mode of
1195 a temporary result of compare SImode if needed. If the mode
1196 of operands[0] is DImode, extend the temporary result to DImode.
1197 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1198 (sunorderd): Change the mode of match_operand and unorderd to
1200 (cmpeq{sf,df}_media): Remove.
1201 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1202 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1203 and compare operation to SImode.
1205 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1207 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1209 (sparc64-sun-solaris2*): Likewise.
1211 2006-11-02 Paul Brook <paul@codesourcery.com>
1213 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1214 from priority argument. Use different section for non-default
1216 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1218 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1221 * except.c (switch_to_exception_section): Do not cache the section
1222 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1223 and flag_function_sections is set.
1225 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * builtins.c (do_mpfr_sincos): New.
1229 (fold_builtin_1): Use it to fold builtin sincos.
1231 2006-11-01 Roger Sayle <roger@eyesopen.com>
1233 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1234 it into -D_REENTRANT.
1236 2006-11-01 Roger Sayle <roger@eyesopen.com>
1238 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1239 whether the assembler supports taking the difference of symbols in
1240 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1241 * configure: Regenerate.
1242 * config.in: Regenerate.
1243 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1244 the assembler doesn't support taking the difference of symbols in
1245 different sections, i.e. we're using the native solaris assembler.
1247 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1248 Peter Bergner <bergner@vnet.ibm.com>
1250 * doc/invoke.texi: Add cpu_type power6x
1251 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1252 * config.gcc: Add cpu_type power6x.
1253 * configure.ac: Add test for mf{t,f}gpr instructions.
1254 (HAVE_AS_MFPGPR): New.
1255 * config.in: Regenerate.
1256 * configure: Regenerate.
1257 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1258 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1259 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1260 and mftgpr attributes.
1261 (define_attr "cpu"): Add power6.
1262 Change instruction sequences to use new attributes.
1263 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1264 (fix_truncdfsi2_mfpgpr): New.
1265 (floatsidf_ppc64_mfpgpr): New.
1266 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1267 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1268 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1269 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1270 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1271 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1272 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1273 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1274 cntlz,exts and var_delayed_compare.
1275 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1276 _ARCH_PWR6X, if features enabled.
1277 * config/rs6000/rs6000.opt (mmfpgpr): New.
1278 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1279 (cached_can_issue_more): New variable.
1280 (processor_costs): Add power6_cost.
1281 (rs6000_sched_init): New function.
1282 (is_dispatch_slot_restricted): Deleted.
1283 (set_to_load_agen): New function.
1284 (is_load_insn,is_store_insn): New functions.
1285 (adjacent_mem_locations): New function.
1286 (insn_must_be_first_in_group): New function.
1287 (insn_must_be_last_in_group): New function.
1288 (rs6000_sched_reorder): New function.
1289 (rs6000_sched_reorder2): New function.
1290 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1291 TARGET_SCHED_REORDER2): Define.
1292 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1293 Add power6x. Add MASK_MFPGPR for power6x.
1294 (POWERPC_MASKS): Add MASK_MFPGPR.
1295 (rs6000_override_options): Set rs6000_always_hint to false
1296 for power6. Set rs6000_align_branch_targets. Replace
1297 rs6000_sched_groups check with rs6000_align_branch_targets.
1298 Use PROCESSOR_POWER6.
1299 (last_scheduled_insn): New variable.
1300 (load_store_pendulum): New variable.
1301 (rs6000_variable_issue): Set last_scheduled_insn and
1302 cached_can_issue_more.
1303 (rs6000_adjust_cost): Add power6 cost adjustments.
1304 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1305 with insn_must_be_first_in_group. Add power6 priority adjustments.
1306 (rs6000_issue_rate): Add CPU_POWER6.
1307 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1308 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1309 (TARGET_MFPGPR): New.
1310 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1311 (ASM_CPU_SPEC): Add power6x.
1312 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1314 * config/rs6000/power6.md: New file.
1316 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1318 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1319 HOST_WIDE_INT_PRINT to print high and low parts. Use
1320 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1321 printing a hexadecimal number prefix it with 0x.
1323 2006-11-01 Chris Johns <chris@contemporary.net.au>
1326 * Makefile.in (install-driver): Use exeext when installing
1327 $target-gcc-$version.
1329 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1331 * c-common.c (flag_cpp0x): New.
1332 * c-common.h (flag_cpp0x): New.
1333 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1334 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1335 * c-opts.c (set_std_cxx0x): New.
1336 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1337 * c.opt (std=c++0x): Document.
1338 (std=gnu++0x): Ditto.
1339 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1340 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1342 2006-11-01 Richard Guenther <rguenther@suse.de>
1344 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1346 (ix86_expand_floorceildf_32): Likewise.
1347 (ix86_expand_floorceil): Likewise.
1348 (ix86_expand_trunc): Likewise.
1350 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1352 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1355 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1357 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1359 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1361 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1363 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1364 * configure.ac (use_cxa_atexit): As a special case, don't test
1365 for libc definition of __cxa_atexit on mingw32
1366 * configure: Regenerate.
1367 * config.gcc (i[34567]86-pc-mingw32): Default to
1368 enable__cxa_atexit=yes.
1370 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1372 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1374 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1377 * c-decl.c (start_struct): Don't create self-containing
1379 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1381 * config/rs6000/rs6000-protos.h
1382 (darwin_rs6000_special_round_type_align): New.
1383 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1384 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1386 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1388 * toplev.c (compile_file): Call final_write_globals
1389 even if there have been errors.
1391 2006-10-31 Eric Christopher <echristo@apple.com>
1392 Falk Hueffner <falk@debian.org>
1394 * doc/extend.texi (__builtin_bswap32): Document.
1395 (__builtin_bswap64): Ditto.
1396 * doc/libgcc.texi (bswapsi2): Document.
1398 * doc/rtl.texi (bswap): Document.
1399 * optabs.c (expand_unop): Don't widen a bswap.
1400 (init_optabs): Init bswap. Set libfuncs explicitly
1401 for bswapsi2 and bswapdi2.
1402 * optabs.h (OTI_bswap): New.
1403 (bswap_optab): Ditto.
1404 * genopinit.c (optabs): Handle bswap_optab.
1405 * tree.h (tree_index): Add TI_UINT32_TYPE and
1407 (uint32_type_node): New.
1408 (uint64_type_node): Ditto.
1409 * tree.c (build_common_tree_nodes_2): Initialize
1410 uint32_type_node and uint64_type_node.
1411 * builtins.c (expand_builtin_bswap): New.
1412 (expand_builtin): Call.
1413 (fold_builtin_bswap): New.
1414 (fold_builtin_1): Call.
1415 * fold-const.c (tree_expr_nonnegative_p): Return true
1417 * builtin-types.def (BT_UINT32): New.
1419 (BT_FN_UINT32_UINT32): Ditto.
1420 (BT_FN_UINT64_UINT64): Ditto.
1421 * builtins.def (BUILT_IN_BSWAP32): New.
1422 (BUILT_IN_BSWAP64): Ditto.
1423 * rtl.def (BSWAP): New.
1424 * genattrtab.c (check_attr_value): New.
1425 * libgcc2.c (__bswapSI2): New.
1426 (__bswapDI2): Ditto.
1427 * libgcc2.h (__bswapSI2): Declare.
1428 (__bswapDI2): Ditto.
1429 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1430 * simplify-rtx.c (simplify_const_unary_operation): Return
1432 * libgcc-std.ver (__bwapsi2): Add.
1433 (__bswapdi2): Ditto.
1434 * reload1.c (eliminate_regs_1): Add bswap.
1435 (elimination_effects): Ditto.
1436 * config/i386/i386.h (x86_bswap): New.
1437 (TARGET_BSWAP): Use.
1438 * config/i386/i386.c (x86_bswap): Set.
1440 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1442 * coverage.c (coverage_checksum_string): Update comment.
1443 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1444 of get_file_function_name.
1445 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1446 of get_file_function_name_long.
1447 * tree.c (get_file_function_name): Rename from
1448 get_file_function_name_long; improve comment; handle 'I' and 'D'
1449 specially when the target has ctor/dtor support; remove special
1451 (get_file_function_name): Remove.
1452 * tree.h (get_file_function_name): Rename from
1453 get_file_function_name_long.
1454 (get_file_function_name): Remove prototype.
1456 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1458 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1459 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1461 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1462 Call dsymutil when compiling and linking one or more source files
1465 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1468 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1470 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1472 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1473 inline static functions in c99 mode.
1476 * doc/extend.texi (Inline): Update.
1477 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1478 * c-decl.c (current_extern_inline): Delete.
1479 (pop_scope): Adjust test for an undefined nested function.
1480 Add warning about undeclared inline function.
1481 (diagnose_mismatched_decls): Update comments. Disallow overriding
1482 of inline functions in a translation unit in C99. Allow inline
1483 declarations in C99 at any time.
1484 (merge_decls): Boolize variables. Handle C99 'extern inline'
1486 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1487 C99 inline semantics.
1488 (start_function): Don't clear current_extern_inline. Don't set
1490 (c_push_function_context): Don't push current_extern_inline.
1491 (c_pop_function_context): Don't restore current_extern_inline.
1494 * c-typeck.c (build_external_ref): Warn about static variables
1495 used in extern inline functions.
1496 * c-decl.c (start_decl): Warn about static variables declared
1497 in extern inline functions.
1499 2006-10-31 Roger Sayle <roger@eyesopen.com>
1502 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1503 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1504 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1505 or y is an even integer.
1507 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1510 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1511 * gthr-posix95.h (__gthread_active_p): Likewise.
1513 2006-10-31 Richard Guenther <rguenther@suse.de>
1515 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1516 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1517 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1518 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1519 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1520 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1521 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1522 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1525 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1527 * opts.c (decode_options): Disable CSE skip blocks.
1529 2006-10-30 Dirk Mueller <dmueller@suse.de>
1531 * c-common.h (strict_aliasing_warning): Fix whitespace.
1532 * c-decl (start_function): Move code for main decl warning ..
1533 * c-common.c (check_main_parameter_types): .. here.
1534 * c-common.h (check_main_parameter_types): Declare.
1536 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1539 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1541 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1543 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1544 be a PARALLEL containing sets. Return false when out_pat is not
1547 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1549 * config/mips/mips.md (mul<mode>3): Split into...
1550 (mulsi3, muldi3): ...these separate patterns.
1552 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1554 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1555 but with each set of options separated by spaces.
1557 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1559 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1560 dwarf_reg_size_table has been initialized.
1562 2006-10-30 Roger Sayle <roger@eyesopen.com>
1564 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1565 * ddg.c (print_ddg_edge): Likewise.
1566 * dwarf2out.c (prune_unused_types_walk): Likewise.
1567 * ifcvt.c (noce_try_cmove_arith): Likewise.
1568 * langhooks.c (add_builtin_function): Likewise.
1569 * reg-stack.c (subst_stack_regs_pat): Likewise.
1570 * tree.c (expanded_location): Likewise.
1571 * tree-dump.c (dequeue_and_dump): Likewise.
1573 2006-10-30 David Daney <ddaney@avtrex.com>
1575 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1577 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1579 PR tree-optimization/29637
1580 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1581 of the innertype is the innertype itself.
1583 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1585 * dwarf2out.c (file_name_acquire): Correct typo.
1587 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1589 * tree.h (tree_value_handle): Remove struct value_set declaration.
1590 Change value_set to bitmap_set.
1591 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1592 * tree-vn.c (get_value_handle): Made inline and moved to
1594 * tree-flow-inline.h: (has_stmt_ann): New function.
1595 * tree-ssa-pre.c (expressions): New variable.
1596 (next_expression_id): Ditto.
1597 (alloc_expression_id): New function.
1598 (struct value_set): Remove.
1599 (get_expression_id): New function.
1600 (get_or_alloc_expression_id): Ditto.
1601 (expression_for_id): Ditto.
1602 (clear_expression_ids): Ditto.
1603 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1604 (bb_value_sets): Renamed to bb_bitmap_sets.
1605 All value sets replaced with bitmap_sets.
1607 (BB_VISITED): New macro.
1608 (postorder): New variable.
1609 (add_to_value): Removed.
1610 (value_exists_in_set_bitmap): Ditto.
1611 (value_insert_into_set_bitmap): Ditto.
1614 (set_remove): Ditto.
1615 (set_contains_value): Ditto.
1616 (insert_into_set): Ditto.
1618 (find_leader): Ditto.
1619 (bitmap_set_subtract_from_value_set): Ditto.
1620 (value_insert_into_set): Ditto.
1621 (print_value_set): Ditto.
1622 (debug_value_set): Ditto.
1623 (constant_expr_p): New function.
1624 (bitmap_remove_from_set): Ditto.
1625 (bitmap_insert_into_set): Ditto.
1626 (bitmap_set_free): Ditto.
1627 (vh_compare): Ditto.
1628 (sorted_array_from_bitmap_set): Ditto.
1629 (bitmap_set_subtract): Ditto.
1630 (bitmap_set_equal): Ditto.
1631 (debug_bitmap_set): Ditto.
1632 (find_leader_in_sets): Ditto.
1633 (bitmap_set_replace_value): Modify for bitmapped sets.
1634 (phi_translate): Ditto.
1635 (phi_translate_set): Ditto.
1636 (bitmap_find_leader): Ditto.
1637 (valid_in_sets): Ditto.
1638 (union_contains_value): Ditto.
1640 (compute_antic_aux): Ditto. Mark changed blocks.
1641 (compute_antic): Ditto. Iterate in postorder and only over
1643 (compute_rvuse_and_antic_safe): Reuse postorder.
1644 (create_component_ref_by_pieces): Modify for bitmapped sets.
1645 (find_or_generate_expression): Ditto.
1646 (create_expression_by_pieces): Ditto.
1647 (insert_into_preds_of_block): Ditto.
1648 (changed_blocks): New variable.
1649 (do_regular_insertion): Broken out from insert_aux.
1650 (insert_aux): Modified for bitmapped sets.
1651 (find_existing_value_expr): New function.
1652 (create_value_expr_from): Use it.
1653 (insert_extra_phis): Removed.
1654 (print_bitmap_set): Renamed from bitmap_print_value_set.
1655 (compute_avail): Handle RETURN_EXPR.
1656 (init_pre): Modify for bitmapped sets.
1657 * tree-flow.h (has_stmt_ann): New function.
1659 2006-10-29 Roger Sayle <roger@eyesopen.com>
1661 * builtins.c (fold_builtin_floor): Check for the availability of
1662 the C99 trunc function before transforming floor into trunc.
1664 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1666 * builtins.c (fold_builtin_hypot): Rearrange recursive
1667 transformation before others, and also do ABS_EXPR. When
1668 necessary, check flag_unsafe_math_optimizations. When necessary,
1671 2006-10-29 Roger Sayle <roger@eyesopen.com>
1673 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1674 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1675 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1676 Fold -X eq/ne -Y as X eq/ne Y.
1678 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1680 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1681 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1682 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1683 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1684 Use an inclusive test for "mult" rather than "mul".
1685 (rotr<mode>3): Depend on ISA_HAS_ROR.
1686 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1688 (GENERATE_MULT3_DI): Delete.
1689 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1690 (ISA_HAS_MUL3): New macro.
1691 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1692 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1693 (ISA_HAS_CLZ_CLO): Likewise.
1694 (ISA_HAS_DCLZ_DCLO): Delete.
1695 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1696 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1697 the VR4120 and VR4130.
1698 (ISA_HAS_MACCHI): Use consistent formatting.
1699 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1700 (ISA_HAS_ROR): ...this new macro.
1701 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1702 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1703 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1705 2006-10-29 Roger Sayle <roger@eyesopen.com>
1707 PR tree-optimization/15458
1708 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1711 2006-10-29 Richard Guenther <rguenther@suse.de>
1713 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1714 (ix86_expand_truncdf_32): Likewise.
1715 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1716 trunc inline for SSE math and -fno-trapping-math and if not
1717 optimizing for size.
1718 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1719 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1720 for expanding btrunc inline for SSE math.
1722 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1724 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1725 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1726 i[34567]86-*-solaris2.1[0-9]*.
1727 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1728 Define conditionally depending on TARGET_64BIT_DEFAULT.
1729 (SPEC_32, SPEC_64): Define.
1730 (LINK_SPEC): Use them.
1731 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1733 2006-10-29 Richard Guenther <rguenther@suse.de>
1735 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1736 (ix86_expand_rounddf_32): Likewise.
1737 * config/i386/i386.c (ix86_expand_round): New function expanding
1738 round inline for SSE math and -fno-trapping-math and if not
1739 optimizing for size.
1740 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1741 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1742 round via ix86_expand_round.
1744 2006-10-29 Richard Guenther <rguenther@suse.de>
1746 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1747 (ix86_expand_floorceildf_32): Likewise.
1748 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1749 static helper function.
1750 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1752 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1753 * config/i386/i386.md (floordf2): Adjust to enable floor
1754 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1755 -fno-trapping-math is enabled and if not optimizing for size.
1756 (floorsf2, ceildf2, ceilsf2): Likewise.
1757 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1758 (sse2_maskcmpdf3): Likewise.
1760 2006-10-29 Richard Guenther <rguenther@suse.de>
1762 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1763 rint in case -fno-trapping-math is enabled.
1764 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1765 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1766 (ix86_expand_sse_fabs): Likewise.
1767 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1768 * config/i386/i386.md (rintdf2): Enable for SSE math if
1769 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1770 (rintsf2): Likewise.
1772 2006-10-29 Richard Guenther <rguenther@suse.de>
1774 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1775 to conversion optabs.
1776 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1777 as conversion optab.
1778 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1779 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1780 (lfloor_optab, lceil_optab): Adjust defines.
1781 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1782 lfloor and lceil optabs now being conversion optabs.
1783 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1784 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1785 New static helper function.
1786 (ix86_expand_lfloorceil): New function to expand lfloor and
1788 * config/i386/i386.md (lfloor<mode>2): Split into ...
1789 (lfloorxf<mode>2): ... x87 variant
1790 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1791 using ix86_expand_lfloorceil.
1792 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1794 * doc/md.texi (lfloorMN, lceilMN): Document.
1796 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1798 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1799 -mno-shared assembler option on mips targets.
1800 * configure, config.in: Regenerate.
1801 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1802 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1803 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1805 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1807 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1808 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1810 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1812 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1813 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1816 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1819 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1820 (fold_builtin_pow): Evaluate constant arguments at compile-time
1822 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1823 (do_mpfr_ckconv): New helper function.
1824 (do_mpfr_arg1): Use do_mpfr_ckconv.
1825 (do_mpfr_arg2): New.
1827 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1830 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1831 (-fdump-rtl-sched): Rename to ..
1832 (-fdump-rtl-sched1): here. Also fix file extension number.
1834 2006-10-28 Richard Guenther <rguenther@suse.de>
1836 * fold-const.c (maybe_canonicalize_comparison): Fix code
1839 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1841 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1842 (NON_QI_REG_P): Use IN_RANGE.
1843 (REX_INT_REGNO_P): Use IN_RANGE.
1844 (FP_REGNO_P): Use IN_RANGE.
1845 (SSE_REGNO_P): Use IN_RANGE.
1846 (REX_SSE_REGNO_P): Use IN_RANGE.
1847 (MMX_REGNO_P): Use IN_RANGE.
1848 (STACK_REGNO_P): New macro.
1849 (STACK_REG_P): Use STACK_REGNO_P.
1850 (NON_STACK_REG_P): Use STACK_REGNO_P.
1851 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1852 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1853 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1854 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1855 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1857 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1859 * except.h (output_function_exception_table): Add 'const char*' param.
1860 * except.c (switch_to_exception_section): Add 'const char*' param.
1861 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1862 and flag_function_sections is set, use a function-specific section.
1863 (output_function_exception_table): Add 'const char*' param.
1864 Adjust call to switch_to_exception_section.
1865 * final.c (rest_of_handle_final): Adjust calls to
1866 output_function_exception_table.
1867 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1868 * config.in: Regenerate.
1869 * configure: Likewise.
1871 2006-10-28 Richard Guenther <rguenther@suse.de>
1874 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1875 for maybe_canonicalize_comparison.
1876 (maybe_canonicalize_comparison): New function for canonicalizing
1878 (fold_comparison): Call it to canonicalize comparisons with
1881 2006-10-28 Richard Guenther <rguenther@suse.de>
1884 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1885 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1886 (expand_builtin): Adjust likewise.
1887 * genopinit.c (optabs[]): Add lround optab.
1888 * optabs.c (init_optabs): Initialize lround_optab.
1889 * optabs.h (enum convert_optab_index): Add COI_lround.
1890 (lround_optab): Define.
1891 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1892 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1894 (ix86_expand_lround): New function.
1895 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1897 * doc/md.texi (lroundMN2): Document.
1899 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1902 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1903 argument to HOST_WIDE_INT. Update function prototype.
1904 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1905 "size" argument to HOST_WIDE_INT. Update function prototype.
1907 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1909 * config/i386/i386.c (output_387_ffreep): Create output from a
1910 template string for !HAVE_AS_IX86_FFREEP.
1912 2006-10-27 Eric Christopher <echristo@apple.com>
1914 * config/darwin.c: Fix formatting and grammar.
1916 2006-10-27 Jan Hubicka <jh@suse.cz>
1918 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1919 to be thrown away soon when IGNORE is set.
1920 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1921 indicating when return value shall not be computed.
1922 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1924 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1926 * config/i386/i386.h (TARGET_GEODE):
1927 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1928 (TARGET_CPU_DEFAULT_geode): New macro.
1929 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1930 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1931 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1932 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1933 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1935 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1936 (processor_type): Add PROCESSOR_GEODE.
1938 * config/i386/i386.md: Include geode.md.
1941 * config/i386/i386.c (geode_cost): New initialized global
1943 (m_GEODE, m_K6_GEODE): New macros.
1944 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1945 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1946 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1947 x86_schedule): Use m_K6_GEODE instead of m_K6.
1948 (x86_movx, x86_cmove): Set up m_GEODE.
1949 (x86_integer_DFmode_moves): Clear m_GEODE.
1950 (processor_target_table): Add entry for geode.
1951 (processor_alias_table): Ditto.
1953 * config/i386/geode.md: New file.
1955 * doc/invoke.texi: Add entry about geode processor.
1957 2006-10-27 Mike Stump <mrs@apple.com>
1959 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1960 __DYNAMIC__ from here back to ...
1961 * config/darwin.h (CPP_SPEC): ... here.
1963 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1964 Nathan Sidwell <nathan@codesourcery.com>
1966 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1967 when choosing the minimum heapsize.
1969 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1971 * gcc/unwind-dw2.h: Move cfa-related variables into
1972 struct frame_state_reg_info to ensure that the CFA is properly
1973 handled when executing DW_CFA_{remember,restore}_state.
1974 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1975 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1976 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1977 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1978 gcc/config/rs6000/linux-unwind.h,
1979 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1980 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1981 Modify to use new cfa_* fields.
1983 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1985 * config/s390/s390.c (s390_init_frame_layout): Check positive
1988 2006-10-26 Ben Elliston <bje@au.ibm.com>
1990 * gimplify.c (get_name): Remove extraneous break.
1991 (gimplify_omp_for): Initialise ret with GS_OK.
1993 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1995 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1996 Add unix98.o to link line.
1998 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2001 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2002 Calculate compile-time constants using MPFR.
2003 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2004 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2006 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2008 * config/xtensa/lib2funcs.S: Use C-style comments.
2010 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2012 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2013 (file_table_relative_p): Likewise.
2014 (dwarf2out_finish): Likewise.
2015 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2017 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2019 * tree-ssa-structalias.c (intra_create_variable_infos):
2020 Don't recreate nonlocal_all if it already exists.
2022 2006-10-25 Richard Guenther <rguenther@suse.de>
2025 * optabs.h (enum optab_index): Remove OTI_lrint.
2026 (enum convert_optab_index): Add COI_lrint.
2027 (lrint_optab): Adjust.
2028 (expand_sfix_optab): Declare.
2029 * optabs.c (expand_sfix_optab): New function.
2030 (init_optabs): Init lrint_optab as conversion optab.
2031 * genopinit.c (lrint_optab): Change to a conversion optab.
2032 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2033 expansion via conversion optab.
2034 * config/i386/i386.md (*fistdi2_1): Remove
2035 flag_unsafe_math_optimizations guard.
2036 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2037 fist<mode>2_with_temp): Likewise.
2038 (lrint<mode>2): Split into...
2039 (lrintxf<mode>2): ... x87 part
2040 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2041 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2042 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2043 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2044 * doc/md.texi (lrintMN2): Document.
2046 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2049 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2050 Use inc and dec instructions for TARGET_USE_INCDEC.
2051 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2052 ("sync_double_compare_and_swap<mode>"): Likewise.
2053 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2054 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2055 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2056 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2057 ("sync_old_add<mode>"): Likewise.
2058 ("sync_lock_test_and_set<mode>"): Likewise.
2059 ("sync_lock_test_and_set<mode>"): Likewise.
2060 ("sync_add<mode>"): Likewise.
2061 ("sync_sub<mode>"): Likewise.
2062 ("sync_ior<mode>"): Likewise.
2063 ("sync_and<mode>"): Likewise.
2064 ("sync_xor<mode>"): Likewise.
2066 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2068 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2069 (remainder_optab): Define corresponding macro.
2070 (drem_optab): Remove.
2071 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2072 drem_optab initialization.
2073 * genopinit.c (optabs): Implement remainder_optab using
2074 remainder?f3 patterns. Remove drem_optab.
2075 * builtins.c (expand_builtin_mathfn_2): Handle
2076 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2077 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2078 expand_builtin_mathfn_2.
2080 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2081 depend on flag_unsafe_math_optimizations.
2083 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2084 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2085 Do not depend on flag_unsafe_math_optimizations. Use
2086 truncxf?f expander instead of truncxf?f_i387_noop.
2088 ("fpremxf4", "fprem1xf4"): Do not depend on
2089 flag_unsafe_math_optimizations.
2090 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2091 flag_unsafe_math_optimizations. Use truncxf?f expander
2092 instead of truncxf?f_i387_noop.
2094 * doc/md.texi (fmod, remainder): Document standard named pattern.
2096 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2097 David Daney <ddaney@avtrex.com>
2100 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2102 2006-10-25 Ben Elliston <bje@au.ibm.com>
2104 * doc/extend.texi (Variable Attributes): Typo fix.
2106 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2108 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2109 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2110 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2111 (FRAME_POINTER_REGNUM): Update register number to 21.
2112 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2113 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2115 * config/i386/i386.c (regclass_map): Add fpcr entry.
2116 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2118 (print_reg): Assert REGNO (x) != FPCR_REG.
2120 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2121 (DIRFLAG_REG): Renumber.
2122 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2123 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2124 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2125 hardcoded SSE register numbers.
2127 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2128 hardcoded MMX register numbers.
2130 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2133 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2134 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2136 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2137 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2138 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2139 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2141 2006-10-24 Richard Guenther <rguenther@suse.de>
2144 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2145 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2146 for deciding optimizations in consistency with fold-const.c
2147 (fold_builtin_unordered_cmp): Likewise.
2149 2006-10-24 Richard Guenther <rguenther@suse.de>
2151 * builtins.c (fold_builtin_floor): Fold floor (x) where
2152 x is nonnegative to trunc (x).
2153 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2154 nonnegative to FIX_TRUNC_EXPR.
2156 2006-10-24 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/29567
2159 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2160 for TRUTH_NOT_EXPR. Clarify comments.
2162 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2165 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2166 at compile-time using MPFR. Change parameter VALUE to FUNC,
2168 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2169 for overflow and underflow at all times and avoid folding in
2172 2006-10-24 Ben Elliston <bje@au.ibm.com>
2174 * reload1.c: Formatting fixes.
2176 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2178 PR tree-optimization/14784
2179 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2180 * tree-ssa-structalias.c (get_constraint_for,
2181 intra_create_variable_infos): Set is_heapvar.
2182 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2183 non-heapvar pointer variables specially.
2185 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2188 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2189 fold_builtin_tan): Fold all constant arguments. Take a "type"
2190 argument as necessary.
2191 (do_mpfr_arg1): New.
2192 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2194 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2196 * config/xtensa/lib1funcs.asm: Use C-style comments.
2198 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2200 * tree.c (local_define_builtin): Replace calls to
2201 lang_hooks.builtin_function with add_builtin_function.
2202 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2204 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2206 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2207 common code to add_builtin_function.
2208 * langhooks.c (add_builtin_function): New function.
2209 (lhd_builtin_function): New function.
2210 * langhooks.h (struct lang_hooks): Change the signature of
2212 (add_builtin_function): New function.
2213 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2214 calls to lang_hooks.builtin_function with add_builtin_function.
2215 * c-common.c (decl_builtin_1): Replace calls to
2216 lang_hooks.builtin_function with add_builtin_function.
2217 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2218 lang_hooks.builtin_function with add_builtin_function.
2219 * config/frv/frv.c (def_builtin): Replace calls to
2220 lang_hooks.builtin_function with add_builtin_function.
2221 * config/s390/s390.c (s390_init_builtins): Replace calls to
2222 lang_hooks.builtin_function with add_builtin_function.
2223 * config/sparc/sparc.c (def_builtin): Replace calls to
2224 lang_hooks.builtin_function with add_builtin_function.
2225 * config/i386/i386.c (def_builtin): Replace calls to
2226 lang_hooks.builtin_function with add_builtin_function.
2227 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2228 lang_hooks.builtin_function with add_builtin_function.
2229 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2230 lang_hooks.builtin_function with add_builtin_function.
2231 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2232 Replace calls to lang_hooks.builtin_function with
2233 add_builtin_function.
2234 * config/iq2000/iq2000.c (def_builtin):
2235 Replace calls to lang_hooks.builtin_function with
2236 add_builtin_function.
2237 * config/ia64/ia64.c (def_builtin): Replace calls to
2238 lang_hooks.builtin_function with add_builtin_function.
2239 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2240 lang_hooks.builtin_function with add_builtin_function.
2241 (altivec_init_builtins): Replace calls to
2242 lang_hooks.builtin_function with add_builtin_function.
2243 * config/arm/arm.c (def_mbuiltin): Replace calls to
2244 lang_hooks.builtin_function with add_builtin_function.
2245 (arm_init_tls_builtins): Replace calls to
2246 lang_hooks.builtin_function with add_builtin_function.
2247 * config/mips/mips.c (mips_init_builtins): Replace calls to
2248 lang_hooks.builtin_function with add_builtin_function.
2249 * config/bfin/bfin.c (def_builtin): Replace calls to
2250 lang_hooks.builtin_function with add_builtin_function.
2251 * langhooks-def.h (lhd_builtin_function): New function.
2252 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2254 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2256 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2257 BUILT_IN_STRNCAT_CHK.
2259 2006-10-23 Jan Hubicka <jh@suse.cz>
2261 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2262 don't do conversion from memmove to memcpy here.
2263 (expand_builtin_bcopy, expand_builtin): Update call of
2264 expand_builtin_memmove.
2265 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2267 2006-10-23 Paul Brook <paul@codesourcery.com>
2269 * stor-layout.c (start_record_layout): maximum_field_alignment
2270 overrides STRUCTURE_SIZE_BOUNDARY.
2272 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2274 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2275 nonlocal function symbols if flag_pic.
2277 2006-10-23 Richard Guenther <rguenther@suse.de>
2281 * builtins.c (fold_binary): Remove checks for flag_wrapv
2282 and flag_trapv where negate_expr_p covers these cases.
2284 2006-10-23 Richard Guenther <rguenther@suse.de>
2287 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2288 of two on the absolute value.
2289 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2290 and negating -C does not overflow.
2292 2006-10-23 Richard Guenther <rguenther@suse.de>
2295 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2296 only if not flag_rounding_math.
2298 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2299 Kaz Kojima <kkojima@gcc.gnu.org>
2302 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2303 SImode memory reference for the source of a movua.
2304 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2305 (movua): Use an unspec instead of sign_extract. Expect the source
2306 to have mode BLKmode.
2307 (extv, insv): Use a BLKmode rather than SImode memory reference
2308 for the source of a movua.
2310 2006-10-22 Jeff Law <law@redhat.com>
2311 Richard Guenther <rguenther@suse.de>
2313 PR tree-optimization/15911
2314 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2315 (register_edge_assert_for_1): Likewise.
2316 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2317 (find_conditional_asserts): Adjust for new function signature.
2318 (find_assert_locations): Likewise.
2320 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2322 * config/i386/tmmintrin.h: Remove the duplicated content.
2324 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2326 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2327 (x86_64-*-*): Likewise.
2329 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2330 (override_options): Check SSSE3.
2331 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2332 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2333 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2334 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2335 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2336 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2337 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2338 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2339 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2340 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2341 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2342 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2343 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2344 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2345 IX86_BUILTIN_PABSD128.
2346 (bdesc_2arg): Add SSSE3.
2347 (bdesc_1arg): Likewise.
2348 (ix86_init_mmx_sse_builtins): Support SSSE3.
2349 (ix86_expand_builtin): Likewise.
2350 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2352 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2353 (UNSPEC_PSIGN): Likewise.
2354 (UNSPEC_PALIGNR): Likewise.
2355 Include mmx.md before sse.md.
2357 * config/i386/i386.opt: Add -mssse3.
2359 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2360 (ssse3_phaddwv4hi3): Likewise.
2361 (ssse3_phadddv4si3): Likewise.
2362 (ssse3_phadddv2si3): Likewise.
2363 (ssse3_phaddswv8hi3): Likewise.
2364 (ssse3_phaddswv4hi3): Likewise.
2365 (ssse3_phsubwv8hi3): Likewise.
2366 (ssse3_phsubwv4hi3): Likewise.
2367 (ssse3_phsubdv4si3): Likewise.
2368 (ssse3_phsubdv2si3): Likewise.
2369 (ssse3_phsubswv8hi3): Likewise.
2370 (ssse3_phsubswv4hi3): Likewise.
2371 (ssse3_pmaddubswv8hi3): Likewise.
2372 (ssse3_pmaddubswv4hi3): Likewise.
2373 (ssse3_pmulhrswv8hi3): Likewise.
2374 (ssse3_pmulhrswv4hi3): Likewise.
2375 (ssse3_pshufbv16qi3): Likewise.
2376 (ssse3_pshufbv8qi3): Likewise.
2377 (ssse3_psign<mode>3): Likewise.
2378 (ssse3_psign<mode>3): Likewise.
2379 (ssse3_palignrti): Likewise.
2380 (ssse3_palignrdi): Likewise.
2381 (abs<mode>2): Likewise.
2382 (abs<mode>2): Likewise.
2384 * config/i386/tmmintrin.h: New file.
2386 * doc/extend.texi: Document SSSE3 built-in functions.
2388 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2390 2006-10-22 Ira Rosen <irar@il.ibm.com>
2392 * tree-vect-transform.c (vectorizable_load): Use the type of the
2393 return value of the mask_for_load builtin to create realign_load
2396 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2398 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2401 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2403 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2404 (UNSPEC_LDDQU): This.
2405 * config/i386/sse.md (sse3_lddqu): Updated.
2407 2006-10-21 Richard Guenther <rguenther@suse.de>
2409 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2410 (expand_builtin): Use it to expand lrint instead of
2411 expand_builtin_mathfn.
2413 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2416 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2417 flag_unsafe_math_optimizations is set.
2419 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2422 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2423 patterns to use memory input operand in x87->mem->XMM
2424 reload sequences. Skip transformation for TARGET_K8.
2426 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2428 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2429 force operand1 to register if both operands are memory operands.
2430 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2431 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2432 if both operands are memory operands.
2433 (truncdfsf2): Do not force operand1 to register if both operands
2434 are memory operands.
2436 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2438 * Makefile.in (LIBS): Add $(GMPLIBS).
2439 * doc/install.texi: Update GMP and MPFR requirements.
2440 * doc/sourcebuild.texi (need_gmp): Delete.
2442 2006-10-21 Richard Guenther <rguenther@suse.de>
2444 PR tree-optimization/3511
2445 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2446 got new invariant arguments during PHI translation.
2448 2006-10-21 Richard Guenther <rguenther@suse.de>
2451 * fold-const.c (fold_comparison): Fold signed comparisons
2452 of the form X +- C1 CMP Y +- C2.
2454 2006-10-21 Richard Guenther <rguenther@suse.de>
2457 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2458 if flag_unsafe_math_optimizations is specified. We have
2459 flag_finite_math_only for that.
2460 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2461 or flag_unsafe_math_optimizations.
2463 2006-10-21 Richard Guenther <rguenther@suse.de>
2465 * builtins.c (fold_builtin_classify): Fix typo.
2467 2006-10-21 Richard Guenther <rguenther@suse.de>
2470 * simplify-rtx.c (simplify_const_relational_operation):
2471 Do not constant-fold ORDERED and UNORDERED for
2472 flag_unsafe_math_optimizations but only we do not need to
2473 honor NaNs for the given mode.
2475 2006-10-21 Richard Guenther <rguenther@suse.de>
2478 * config/i386/i386.c (classify_argument): Remove redundant
2479 walking of the BINFOs.
2480 (contains_128bit_aligned_vector_p): Likewise.
2482 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2484 * BASE-VER: Set to 4.3.0.
2486 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2488 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2489 (tree_decl_with_vis): Remove artificial_pta_var flag.
2490 * tree-flow.h (referenced_var_check_and_insert): Expose.
2491 (nonlocal_all): New prototype.
2492 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2493 (nonlocal_all): Make global.
2494 (nonlocal_lookup): Remove.
2495 (nonlocal_insert): Ditto.
2496 (create_nonlocal_var): Do not call nonlocal_insert.
2497 (get_nonlocal_id_for_type): Remove.
2498 (find_global_initializers): Mark new vars we find for renaming.
2499 (intra_create_variable_infos): Only create one nonlocal.
2500 (expand_nonlocal_solutions): Remove.
2501 (compute_points_to_sets): Don't call it.
2502 (ipa_pta_execute): Ditto.
2503 (init_alias_heapvars): Don't create nonlocal_for_type.
2504 (delete_alias_heapvars): Don't remove it.
2505 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2508 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2510 * doc/install.texi (Downloading GCC): Clarify mention of
2511 Fortran in the "full distribution" description.
2513 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2515 Fix PR tree-optimization/28778
2516 Fix PR tree-optimization/29156
2517 Fix PR tree-optimization/29415
2518 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2519 (tree_decl_with_vis): Add artificial_pta_var flag.
2520 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2521 pushed into callers.
2522 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2523 (nonlocal_all): Ditto.
2524 (struct variable_info): Add directly_dereferenced member.
2525 (var_escaped_vars): New variable.
2526 (escaped_vars_tree): Ditto.
2527 (escaped_vars_id): Ditto.
2528 (nonlocal_vars_id): Ditto.
2529 (new_var_info): Set directly_dereferenced.
2530 (graph_size): New variable
2531 (build_constraint_graph): Use graph_size.
2532 (solve_graph): Don't process constraints that cannot change the
2533 solution, don't try to propagate an empty solution to our
2535 (process_constraint): Set directly_dereferenced.
2536 (could_have_pointers): New function.
2537 (get_constraint_for_component_ref): Don't process STRING_CST.
2538 (nonlocal_lookup): New function.
2539 (nonlocal_insert): Ditto.
2540 (create_nonlocal_var): Ditto.
2541 (get_nonlocal_id_for_type): Ditto.
2542 (get_constraint_for): Allow results vector to be empty in the case
2543 of string constants.
2544 Handle results of calls properly.
2545 (update_alias_info): Update alias info stats on number and type of
2547 (find_func_aliases): Use could_have_pointers.
2548 (make_constraint_from_escaped): Renamed from
2549 make_constraint_to_anything, and changed to make constraints from
2551 (make_constraint_to_escaped): New function.
2552 (find_global_initializers): Ditto.
2553 (create_variable_info_for): Make constraint from escaped to any
2554 global variable, and from any global variable to the set of
2556 (intra_create_variable_infos): Deal with escaped instead of
2557 pointing to anything.
2558 (set_uids_in_ptset): Do type pruning on directly dereferenced
2560 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2561 (init_base_vars): Fix comment, and initialize escaped_vars.
2562 (need_to_solve): Removed.
2563 (find_escape_constraints): New function.
2564 (expand_nonlocal_solutions): Ditto.
2565 (compute_points_to_sets): Call find_escape_constraints and
2566 expand_nonlocal_solutions.
2567 (delete_points_to_sets): Don't fall off the end of the graph.
2568 (init_alias_heapvars): Initialize nonlocal_for_type and
2570 (delete_alias_heapvars): Free nonlocal_for_type and null out
2573 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2575 * fold-const.c (add_double): Rename to add_double_with_sign.
2576 Add 'unsigned_p' parameter and take it into account for the overflow.
2577 (mul_double): Rename to mul_double_with_sign.
2578 Add 'unsigned_p' parameter and take it into account for the overflow.
2579 (fold_div_compare): Call add_double_with_sign instead of add_double
2580 and mul_double_with_sign instead of mul_double, passing them the
2581 unsignedness of the type.
2582 * tree.h (add_double): Macroize.
2583 (add_double_with_sign): New prototype.
2584 (mul_double): Macroize.
2585 (mul_double_with_sign): New prototype.
2587 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2589 * config/score/crti.asm: New file.
2590 * config/score/crtn.asm: New file.
2591 * config/score/elf.h: New file.
2592 * config/score/mac.md: New file.
2593 * config/score/misc.md: New file.
2594 * config/score/mul-div.S: New file.
2595 * config/score/predicates.md: New file.
2596 * config/score/score7.md: New file.
2597 * config/score/score.c: New file.
2598 * config/score/score-conv.h: New file.
2599 * config/score/score.h: New file.
2600 * config/score/score.md: New file.
2601 * config/score/score-mdaux.c: New file.
2602 * config/score/score-mdaux.h: New file.
2603 * config/score/score-modes.def: New file.
2604 * config/score/score.opt: New file.
2605 * config/score/score-protos.h: New file.
2606 * config/score/score-version.h: New file.
2607 * config/score/t-score-elf: New file.
2608 * config.gcc: Add score*-*-* configurations(Update before).
2609 * doc/invoke.texi (Score Options): New section.
2610 * doc/md.texi (Score family): New section to document constraints.
2612 2006-10-19 Nick Clifton <nickc@redhat.com>
2614 * config/arm/arm.c: Fix spelling typo.
2616 2006-10-18 Tom Tromey <tromey@redhat.com>
2618 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2620 2006-10-18 Jan Hubicka <jh@suse.cz>
2623 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2626 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2628 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2629 TSI_SAME_STMT, since that's the desired entity.
2631 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2633 * config/s390/contraints.md: New file.
2634 * config/s390/s390-protos.h (s390_mem_constraint,
2635 s390_O_constraint_str, s390_N_constraint_str,
2636 s390_float_const_zero_p): Function prototypes added.
2637 * config/s390/s390.c (s390_extra_constraint_str,
2638 s390_const_double_ok_for_constraint_p,
2639 s390_const_ok_for_constraint_p): Functions removed.
2640 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2641 s390_float_const_zero_p): New functions.
2642 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2643 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2644 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2645 Macro definitions removed.
2646 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2647 s390_extra_constraint_str): Functions removed.
2649 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2650 Richard Sandiford <richard@codesourcery.com>
2653 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2654 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2656 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2658 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2659 (DWARF2_FRAME_REG_OUT): Likewise.
2660 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2661 (DWARF2_FRAME_REG_OUT): Likewise.
2663 2006-10-17 Paul Brook <paul@codesourcery.com>
2665 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2667 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2669 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2670 Standardize on "GNU Fortran" as the official name of the Fortran
2673 2006-10-16 Mike Stump <mrs@apple.com>
2675 * doc/invoke.texi (Darwin Options): Document -mkernel.
2676 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2678 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2679 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2680 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2681 (OS_MISSING_ALTIVEC): Add.
2682 * config/i386/i386.c (override_options): Add
2683 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2684 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2685 -mkernel, -static or -mdynamic-no-pic is given.
2686 (C_COMMON_OVERRIDE_OPTIONS): Add.
2687 * config/darwin.opt (fapple-kext): Add.
2689 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2690 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2692 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2693 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2694 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2695 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2696 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2697 (flag_mkernel): Add.
2698 (flag_apple_kext): Add.
2699 (TARGET_KEXTABI): Add.
2700 * config/darwin.c (darwin_handle_kext_attribute): Add.
2701 (DARWIN_VTABLE_P): Add.
2702 (darwin_binds_local_p): Add partial support for rebinding vtables
2704 (darwin_kextabi_p): Add.
2705 (darwin_override_options): Add.
2706 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2707 (darwin_kextabi_p): Add.
2708 (darwin_override_options): Add.
2709 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2710 __DYNAMIC__ and __STATIC__ here.
2712 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2714 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2715 Added mention of "make pdf" target, and Texinfo requirements for
2718 2006-10-16 DJ Delorie <dj@redhat.com>
2720 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2721 into the GOT in case we need a subreg of the address.
2723 2006-10-16 Richard Guenther <rguenther@suse.de>
2726 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2727 SSE builtin documentation. Document SSE2 builtins.
2729 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2731 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2732 symbol in the output file for non-shared links when -nostdlib or
2733 -nodefaultlibs isn't specified.
2735 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2736 posix thread support.
2738 2006-10-15 Jan Hubicka <jh@suse.cz>
2741 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2742 declared always_inline even when not inlining.
2744 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2745 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2746 Andrew Pinski <pinskia@gmail.com>
2749 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2751 2006-10-15 Jan Hubicka <jh@suse.cz>
2752 Richard Guenther <rguenther@suse.de>
2755 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2756 process_function_and_variable_attributes on all variables, including
2757 those discovered during cgraph construction phase.
2759 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2761 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2763 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2765 * config/i386/athlon.md (athlon_fist): Add fisttp.
2767 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2768 Ian Lance Taylor <ian@airs.com>
2771 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2772 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2775 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2777 * config/score/score.c, config/score/score.h: Fix comment
2780 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2783 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2786 2006-10-13 Eric Christopher <echristo@apple.com>
2788 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2790 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2793 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2794 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2795 alignment supported by 32-bit ELF.
2797 2006-10-13 Eric Christopher <echristo@apple.com>
2799 * config/darwin.c (darwin_emit_unwind_label): Strip
2800 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2802 2006-10-13 Richard Guenther <rguenther@suse.de>
2804 PR tree-optimization/29446
2805 * tree-vrp.c (fix_equivalence_set): Remove.
2806 (extract_range_from_assert): Do not call fix_equivalence_set.
2807 (debug_value_range): Print a newline.
2808 (compare_name_with_value): For equivalence sets with
2809 inconsistent value ranges conservatively bail out.
2810 (compare_names): Likewise.
2812 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2814 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2815 and MPFR for gfortran.
2817 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2819 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2820 alignment supported by 32-bit ELF.
2822 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2826 * c-typeck.c (digest_init): Always allow initializing vectors
2827 that have static storage duration with compound literals.
2828 * tree.c (build_type_attribute_qual_variant): New, based on
2829 build_type_attribute_variant.
2830 (build_type_attribute_variant): Rewrite using the former.
2831 (make_vector_type): Use build_type_attribute_qual_variant to build
2832 type variants. Use type_hash_canon on the others.
2834 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2835 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2837 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2839 2006-10-12 Jan Hubicka <jh@suse.cz>
2842 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2843 current_function_decl is set but current_function_scope is not.
2845 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2847 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2848 emit_insn to emit eh_return_internal instruction.
2849 (eh_return_internal): Explicitly set pc.
2851 2006-10-11 Richard Guenther <rguenther@suse.de>
2853 PR tree-optimization/28230
2854 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2855 to the correct place.
2857 2006-10-11 Richard Guenther <rguenther@suse.de>
2860 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2863 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2865 * configure.ac: Added pdf to "Make-hooks"
2866 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2867 targets and *.pdf file patterns in cleanup targets.
2868 * configure: Regenerated.
2870 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2872 * config/avr/predicates.md: New file.
2873 * config/avr/avr.md: Include it.
2874 (REG_SP): New constant.
2875 (peepholes): Use predicates.
2876 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2877 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2878 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2880 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2882 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2885 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2888 * builtins.c (var_decl_component_p): New function.
2889 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2890 single entry optimization to variables and components thereof.
2892 2006-10-10 Richard Guenther <rguenther@suse.de>
2894 PR rtl-optimization/29323
2895 * except.c (set_nothrow_function_flags): For functions
2896 that do not bind local bail out early.
2898 2006-10-10 Ben Elliston <bje@au.ibm.com>
2900 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2903 2006-10-09 Richard Henderson <rth@redhat.com>
2905 Revert emutls patch.
2907 2006-10-09 Richard Guenther <rguenther@suse.de>
2910 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2913 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2916 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2917 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2918 * configure: Regenerate.
2919 * config.in: Regenerate.
2921 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2923 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2925 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2927 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2928 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2929 Remove stray newline.
2931 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2933 * config/mips/mips.c (mips_classify_symbol): Do not return
2934 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2935 (mips_in_small_data_p): Tweak comments.
2937 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2939 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2941 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2943 * gimplify.c, sched-int.h: Fix comment typos.
2945 * sched-int.h: Fix comment typos.
2947 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2949 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2951 * sched-ebb.c (begin_schedule_ready): Use them.
2952 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2953 add_to_speculative_block, create_check_block_twin, speculate_insn,
2954 fix_jump_move, move_block_after_check): Ditto.
2955 * sched-rgn.c (new_ready): Ditto.
2957 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2959 PR rtl-optimization/29128
2960 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2961 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2962 allow interblock movement of speculation checks.
2964 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2967 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2968 casted to integer type.
2969 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2970 if they are significantly more expensive than [reg + index] ones.
2972 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2974 PR tree-optimization/29330
2975 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2976 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2977 on newly allocated ddrs.
2978 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2979 to VEC (loop_p, heap) pointer.
2980 (compute_data_dependences_for_loop): Adjust caller.
2981 (free_dependence_relations): Free DDR_LOOP_NEST.
2983 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2984 free DEPENDENCE_RELATIONS and DATAREFS.
2987 * builtins.c (expand_builtin_sync_operation,
2988 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2989 Use convert_to_mode to handle promoted arguments.
2991 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2993 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2995 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2997 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2999 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3001 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3002 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3003 Use <modeconstraint> instead of "r" as operand 1 constraint.
3005 2006-10-06 Olivier Hainque <hainque@adacore.com>
3007 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3008 Don't recurse on the pointed-to type.
3009 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3010 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3011 types with components of variable size.
3013 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3015 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3017 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3019 PR tree-optimization/29290
3020 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3024 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3025 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3028 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3029 the number of vector elements fill the rest with zeros.
3031 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3033 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3034 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3037 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3039 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3040 unnamed pattern into subsi3. Use correct constraints/predicates.
3041 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3042 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3044 2006-10-05 Ira Rosen <irar@il.ibm.com>
3046 * doc/loop.texi: Add data references analysis description.
3048 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3050 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3052 2006-10-04 Richard Henderson <rth@redhat.com>
3053 Jakub Jelinek <jakub@redhat.com>
3055 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3056 * builtin-types.def (BT_WORD): Make unsigned.
3057 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3058 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3059 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3060 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3061 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3062 * cgraph.c (decide_is_variable_needed): Look at force_output.
3063 Recurse for emulated tls.
3064 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3065 checks redundant with decide_is_variable_needed.
3066 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3067 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3069 * expr.c (emutls_var_address): New.
3070 (expand_expr_real_1): Expand emulated tls.
3071 (expand_expr_addr_expr_1): Likewise.
3072 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3073 * output.h (emutls_finish): Declare.
3074 * toplev.c (compile_file): Call it.
3075 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3076 address before wrapping in CONST.
3077 * varasm.c (emutls_htab, emutls_object_type): New.
3078 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3079 (get_emutls_object_name, get_emutls_object_type): New.
3080 (get_emutls_init_templ_addr, emutls_decl): New.
3081 (emutls_common_1, emutls_finish): New.
3082 (assemble_variable): When emulating tls, swap decls; generate
3083 constructor for the emutls objects.
3084 (do_assemble_alias): When emulating tls, swap decl and target name.
3085 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3087 * emutls.c: New file.
3088 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3089 tls_object for real tls.
3091 2006-10-04 Zack Weinberg <zackw@panix.com>
3093 Fix bug in constraint-check generator, reported by Rask Ingemann
3095 * genpreds.c (add_constraint): Don't remove anything from the
3097 (write_tm_constrs_h): Detect whether "op" argument is used, and
3098 mark it ARG_UNUSED if it isn't.
3099 (write_insn_const_int_ok_for_constraint): Skip the part of the
3100 expression that would test whether "op" (which is not available
3101 here) is a CONST_INT.
3103 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3106 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3108 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3110 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3111 current Leopard versions.
3112 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3114 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3116 * doc/install.texi: Fix typos.
3118 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3120 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3121 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3122 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3124 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3126 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3127 arg to be struct mach_header_64* instead.
3129 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3132 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3133 side effects after the outer expression's post side effects.
3135 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3137 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3138 comments to reflect actual behavior and relationship between
3139 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3141 * doc/c-tree.texi (Working with declarations): Fix documentation
3142 of FIELD_DECL likewise.
3144 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3147 * doc/extend.texi: Add used variable attribute description.
3149 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3152 * c.opt (Woverride-init): New.
3153 * c-opts.c (c_common_post_options): Default warn_override_init to
3155 * c-typeck.c (add_pending_init, output_init_element): Warn for
3156 overriding initializers without side effects.
3157 * doc/invoke.texi (-Woverride-init): Document.
3160 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3162 PR rtl-optimization/28096
3163 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3164 assignment has already been used as a destination earlier in the block.
3166 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3168 * builtins.c (expand_builtin_setjmp): Delete.
3169 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3170 <BUILT_IN_SETJMP_SETUP>: New case.
3171 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3172 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3173 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3174 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3175 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3176 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3177 (lower_function_body): Initialize it to false. If it is set to true
3178 at the end of the processing, emit the setjmp dispatcher.
3179 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3180 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3181 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3182 on the rhs of the assignment.
3183 (lower_builtin_setjmp): New function.
3184 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3185 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3186 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3187 to detect calls that can go to non-local labels. Use specific
3188 helper to create the abnormal edges associated with them.
3189 <MODIFY_EXPR>: Likewise.
3190 (make_abnormal_goto_edges): New function extracted from...
3191 (make_goto_expr_edges): ...here. Call it for computed gotos.
3192 (simple_goto_p): Minor tweak.
3193 (tree_can_make_abnormal_goto): New predicate.
3194 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3195 (tree_purge_dead_abnormal_call_edges): New function.
3196 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3197 (tree_purge_dead_abnormal_call_edges): Likewise.
3198 (make_abnormal_goto_edges): Likewise.
3199 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3200 Purge all dead abnormal edges if the call was in the last statement.
3201 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3202 (execute_fixup_cfg): If there are non-local labels in the function,
3203 scan the basic blocks and split them at calls that can go to non-local
3204 labels or add missing abnormal call edges. Write down the CFG in the
3206 (pass_fixup_cfg): Remove TODO_dump_func flag.
3207 * unwind-sjlj.c: Poison setjmp.
3208 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3209 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3210 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3211 (DONT_USE_BUILTIN_SETJMP): Document it.
3213 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3216 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3217 to 1 when __ppc64__ is defined.
3218 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3220 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3222 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3224 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3225 * config/ia64/unwind-hpux.c: Delete.
3227 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3229 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3230 on the element before gimplifying it, instead of punting if it is of
3233 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3235 * doc/loop.texi: New file.
3236 * doc/gccint.texi: Reference loop.texi.
3237 * Makefile.in (loop.texi): Add.
3239 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3241 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3243 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3244 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3246 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3248 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3250 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3252 * doc/install.texi: Document required versions of GMP and MPFR.
3254 2006-09-27 Paul Brook <paul@codesourcery.com>
3257 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3259 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3261 * reload1.c (alter_reg): Require the alignment of the stack slot to
3262 be at least reg_max_ref_width bytes.
3263 (scan_paradoxical_subregs): Record the largest width in
3266 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3270 * tree-nested.c (struct nesting_info): Added static_chain_added.
3271 (convert_call_expr): Set static_chain_added when adding static
3272 chain. Handle OMP_PARALLEL and OMP_SECTION.
3274 2006-09-25 Matthias Klose <doko@debian.org>
3276 * doc/invoke.texi: Add missing full stop.
3278 2006-09-25 Richard Henderson <rth@redhat.com>
3280 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3281 before cgraph_function_flags_ready.
3283 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3284 Adam Nemet <anemet@caviumnetworks.com>
3286 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3287 determine_common_wider_type): New functions.
3288 (get_computation_aff): Use them to simplify arithmetic between
3289 UBASE and CBASE if they are shortened from the same type.
3291 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3294 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3295 -2147483647 - 1 instead of 0x80000000.
3297 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3299 * flags.h (HONOR_NANS): Fix typo in comment.
3301 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3303 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3305 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3309 * tree.c (merge_attributes, attribute_list_contained): If both
3310 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3312 * c-typeck.c (comptypes_internal): Don't consider aggregates
3313 in different TUs as compatible if there one set of attributes is
3314 not a subset of the other type's attributes.
3315 (composite_type): Try harder not to create a new aggregate type.
3317 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3319 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3320 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3321 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3322 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3323 than replicating condition above.
3324 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3326 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3327 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3328 the linker by default.
3330 2006-09-22 Mike Stump <mrs@apple.com>
3332 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3335 2006-09-22 Richard Guenther <rguenther@suse.de>
3338 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3339 sort of stack variables stable.
3341 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3344 * explow.c (force_reg): Set REG_POINTER flag according to
3347 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3349 PR tree-optimization/28888
3350 * tree-if-conv.c (combine_blocks): Rewritten.
3351 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3352 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3354 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3356 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3359 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3361 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3363 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3365 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3367 2006-09-21 Roger Sayle <roger@eyesopen.com>
3370 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3371 dw_fde_current_label, to be the start of the function, i.e. the same
3372 value as dw_fde_begin.
3374 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3376 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3377 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3378 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3379 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3380 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3381 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3382 (abs<mode>2, neg<mode>2): Likewise.
3383 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3384 (*mips_abs_ps): New define_insn.
3386 2006-09-20 Josh Conner <jconner@apple.com>
3389 * calls.c (expand_call): Allow reuse of structure return stack
3392 2006-09-20 Paul Brook <paul@codesourcery.com>
3394 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3397 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3399 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3400 clean up terminology.
3402 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3405 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3406 with tablejumps in them.
3408 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3411 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3412 wrap it into TARGET_EXPR.
3414 2006-09-20 Eric Christopher <echristo@apple.com>
3416 * config/i386/i386.c (x86_fisttp): Remove.
3417 * config/i386/i386.h (x86_fisttp): Ditto.
3418 (TARGET_FISTTP): Ditto.
3420 2006-09-19 Eric Christopher <echristo@apple.com>
3422 * doc/tm.texi (OBJC_JBLEN): Describe.
3423 * config/i386/darwin.h (OBJC_JBLEN): Define.
3424 * config/rs6000/darwin.h: Ditto.
3426 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3428 PR rtl-optimization/21299
3429 * reload1.c (reload): Purge invalid ASMs in the final pass.
3431 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3434 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3435 pointers as legitimate constants.
3437 2006-09-19 Paul Brook <paul@codesourcery.com>
3440 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3442 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3444 PR tree-optimization/28887
3445 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3446 component parts from the reference.
3447 (gather_memory_references_ref): Record the reference without the
3448 nonaddressable component parts.
3450 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3453 * c-opts.c (c_common_handle_option): Ignore the -std options
3454 if the input language is assembly.
3456 2006-09-17 Ira Rosen <irar@il.ibm.com>
3459 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3461 (ptr_ptr_may_alias_p): Likewise.
3462 (record_record_differ_p): New function.
3463 (base_object_differ_p): Call record_record_differ_p.
3465 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3468 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3469 away for the expr argument.
3471 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3474 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3475 before using it for dumping after vectorizing loops.
3477 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3478 Jack Howarth <howarth@bromo.med.uc.edu>
3481 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3482 skip on error_mark_node.
3483 (rs6000_darwin64_record_arg_recurse): Likewise.
3485 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3487 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3488 * doc/rtl.texi: Remove related documentation.
3490 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3492 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3495 2006-09-15 Jim Wilson <wilson@specifix.com>
3497 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3498 Handle symbol offsets same as they are handled in ia64_expand_move
3501 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3503 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3504 Add forgotten parameter to the fprintf call.
3506 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3508 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3510 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3512 * doc/contrib.texi: Add my entry.
3514 2006-09-15 Nick Clifton <nickc@redhat.com>
3516 * doc/md.texi (Processor pipeline description): Fix typo in
3517 example of how to use the absence_set directive and reword the
3518 description to make it slightly easier to read.
3520 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3522 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3523 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3524 expanding the number of iterations.
3525 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3527 * cfgrtl.c (emit_insn_at_entry): New function.
3528 * rtl.h (emit_insn_at_entry): Declare it.
3529 * integrate.c (emit_initial_value_sets): Use it.
3531 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3533 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3535 (struct loop_work and related VEC declarations): Delete.
3536 (bfin_dump_loops): Print out new member bad.
3537 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3538 (bfin_scan_loop): Don't recurse.
3539 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3540 loops. No longer need to update outer loops if the current one is
3541 found bad. Move some validitiy checks to bfin_discover_loop.
3542 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3543 but changed not to check for nesting. Also changed to use the new bad
3545 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3546 time. Use bitmap based test to discover loop nesting.
3548 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3550 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3553 2006-09-14 Richard Guenther <rguenther@suse.de>
3554 Kazu Hirata <kazu@codesourcery.com>
3556 PR middle-end/28884.
3557 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3558 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3559 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3560 with TARGET_FUNCTION_VALUE.
3562 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3565 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3567 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3569 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3572 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3575 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3578 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3580 * basic_block.h (bb_has_eh_pred): Fix comment.
3582 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3584 * flow.c (calculate_global_regs_live): Invalidate eh registers
3585 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3586 (propagate_block): Handle eh registers as if they were set at basic
3588 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3590 * global.c (global_conflicts): Make eh registers to conflict with
3591 pseudos live at basic block begin.
3592 * basic_block.h (bb_has_eh_pred): New function.
3594 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3596 PR rtl-optimization/28982
3597 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3598 index of a PRE_MODIFY or POST_MODIFY address.
3599 * reload1.c (inc_for_reload): Use find_replacement on the original
3600 base and index registers.
3602 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3604 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3605 for -Os. Update __m128 alignment requirement.
3607 2006-09-13 Jan Hubicka <jh@suse.cz>
3609 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3611 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3613 PR rtl-optimization/28243
3614 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3615 the insn to which the note was originally attached.
3617 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3618 Roger Sayle <roger@eyesopen.com>
3620 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3621 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3622 on platforms that don't use dwarf for debug info.
3624 2006-09-12 Jason Merrill <jason@redhat.com>
3627 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3628 hard_frame_pointer_rtx after using it to update the frame pointer.
3630 2006-09-12 Roger Sayle <roger@eyesopen.com>
3632 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3633 (TARGET_ASM_CLOSE_PAREN): Likewise.
3634 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3635 (TARGET_ASM_CLOSE_PAREN): Likewise.
3637 2006-09-12 Roger Sayle <roger@eyesopen.com>
3640 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3641 frame information for frames larger than 512 Kbytes on Tru64 when
3642 using the native assembler.
3644 2006-09-12 Roger Sayle <roger@eyesopen.com>
3648 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3649 and symbols. Instead use the implementation from cse.c's hash_rtx.
3651 2006-09-12 Jan Hubicka <jh@suse.cz>
3653 PR rtl-optimization/28071
3654 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3655 (vect_transform_loop): Likewise.
3656 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3657 (new_loop_vec_info): Likewise.
3658 (destroy_loop_vec_info): Likewise.
3659 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3660 (create_stmt_ann): Likewise.
3661 (create_tree_ann): Rename to ...
3662 (create_tree_common_ann): ... this one; allocate only the common part
3664 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3665 (get_value_handle): Likewise.
3666 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3667 get_tree_common_ann.
3668 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3669 (vinfo_for_stmt): Use stmt annotations.
3670 * tree-flow.h (tree_ann_common_t): New type.
3671 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3672 (tree_ann, get_tree_ann, create_tree_ann): New.
3673 * tree-flow-inline.h (get_function_ann): Do more type checking.
3674 (stmt_ann): Likewise.
3675 (tree_ann): Rename to ...
3676 (tree_common_ann): ... this one; return ony common_ann
3677 (get_tree_ann): Rename to ...
3678 (tree_common_ann): This one; return only common_ann.
3679 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3682 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3684 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3685 with_cpu by default.
3687 * dwarf2out.c (dwarf_file_data): New.
3688 (enum dw_val_class): Add dw_val_class_file.
3689 (struct dw_val_struct): Add val_file.
3690 (file_table): Change to a hash table.
3691 (file_table_emitted): Delete.
3692 (file_table_last_lookup_index): Delete.
3693 (emitcount): Delete.
3694 (last_emitted_file): New.
3695 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3696 (init_file_table): Delete.
3697 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3698 (AT_addr): Add comment.
3702 (print_die): Handle dw_val_class_file.
3703 (print_dwarf_line_table): Update for new file table structure.
3704 (attr_checksum): Do checksum a filename.
3705 (same_dw_val_p, same_attr_p): Do compare a filename.
3706 (size_of_die): Handle dw_val_class_file.
3707 (value_format): Likewise.
3708 (output_die): Likewise. Also, call maybe_emit_file here.
3709 (struct file_info): Constify filenames. Make file_idx a pointer
3710 to a struct dwarf_file_data.
3711 (struct dir_info): Constify directory names. Remove 'used' field.
3712 (struct file_name_acquire_data): New.
3713 (file_name_acquire): New.
3714 (output_file_names): Modify to handle new file data structures.
3715 (add_src_coords_attributes): Use add_AT_file.
3716 (add_call_src_coords_attributes): Likewise.
3717 (dwarf2out_imported_module_or_decl): Likewise.
3718 (gen_subprogram_die): Modify for new file data structures.
3719 (gen_variable_die): Likewise.
3720 (file_table_eq): New.
3721 (file_table_hash): New.
3722 (file_table_last_lookup): New.
3723 (lookup_filename): Rewrite to handle new file data structures.
3724 (maybe_emit_file): Rewrite to handle new file data structures.
3725 (dwarf2out_source_line): Always call lookup_filename and
3727 (dwarf2out_init): Create file_table here.
3728 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3729 (file_table_relative_p): New.
3730 (dwarf2out_finish): Change detection of relative filenames
3731 to work with new file data structures. Move output_line_info call
3732 after debug_info output.
3734 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3739 * config/i386/i386.c (override_options): Always default to 16
3740 byte stack boundary.
3742 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3745 * var-tracking.c (dump_dataflow_set): Start dumping at
3747 (clobber_variable_part): Kill only the variable part in
3748 registers holding it, leaving other variables alone.
3750 2006-09-11 Josh Triplett <josh@freedesktop.org>
3752 * doc/extend.texi (Other Builtins): Actually use the macro
3753 argument in the documentation example for
3754 __builtin_types_compatible_p.
3756 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3758 PR rtl-optimization/28726
3759 * sched-deps.c (sched_analyze_reg): New function extracted from...
3760 (sched_analyze_1): ...here. Call it to analyze references to
3761 registers. Treat again writes to a stack register as writing to the
3763 (sched_analyze_2): ...and here. Call it to analyze references to
3764 registers. Treat again reads of a stack register as reading the
3767 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3768 David Edelsohn <edelsohn@gnu.org>
3771 * config/rs6000/spe.md (frob_df_di): Remove %H.
3772 (frob_di_df): Remove %H. Change evmergelo to mr.
3773 (frob_di_df_2): Remove %H. Change evldd to two loads.
3775 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3777 * doc/cpp.texi: Fix names of charset options.
3779 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3782 * config/i386/i386.c (override_options): Use 128-bit
3783 stack boundary always for 64bits.
3785 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3787 PR rtl-optimization/28636
3788 * combine.c (force_to_mode): Test for side-effects before
3789 substituting by zero.
3790 (simplify_shift_const): Likewise for zero or other constants.
3792 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3795 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3798 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3801 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3802 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3803 returned by mode_for_size, rather than the mode of src itself,
3804 to choose between 32-bit and 64-bit patterns.
3805 (mips_mem_fits_mode_p): New function.
3806 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3807 that the size of the source matches the size of the destination.
3808 (mov_<store>l, mov_<store>r): Likewise.
3810 2006-09-10 Eric Christopher <echristo@apple.com>
3812 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3815 2006-09-09 Eric Christopher <echristo@apple.com>
3818 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3821 2006-09-09 Roger Sayle <roger@eyesopen.com>
3822 Nicolas Setton <setton@adacore.com>
3824 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3826 2006-09-10 Andreas Schwab <schwab@suse.de>
3828 * config/m68k/m68k.md (bungt_rev): New pattern.
3830 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3831 Dale Johannesen <dalej@apple.com>
3834 * regclass.c (struct reg_pref): Update documentation.
3835 (regclass): Set prefclass to NO_REGS if memory is the best option.
3836 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3838 2006-09-08 Eric Christopher <echristo@apple.com>
3840 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3841 * config/t-slibgcc-darwin: Support x86_64 multilib.
3842 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3843 Return 1 for x86_64-darwin.
3844 * config/i386/t-darwin: Add m64 multilib.
3845 (LIB2_SIDITI_CONV_FUNCS): Use.
3846 (LIB2FUNCS_EXTRA): Ditto.
3847 * config/i386/darwin.h: Support x86_64.
3848 * config/i386/i386.c (override_options): Turn on flag_pic
3849 for x86_64-darwin. Disable flag_omit_pointer.
3850 (get_pc_thunk_name): Assert !TARGET_64BIT.
3851 (legitimate_address_p): Disable machopic addressing for
3853 (legitimize_pic_address): Ditto.
3854 (ix86_expand_move): Ditto.
3855 (ix86_expand_call): Ditto.
3856 (machopic_output_stub): Ditto.
3857 * config/darwin.c (machopic_select_section): Support literal16.
3858 (machopic_select_rtx_section): Ditto.
3859 * config/darwin-sections.def: Ditto.
3860 * config/darwin-64.c: New.
3862 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3865 * c-tree.h (struct c_arg_info): Add pending_sizes.
3866 * c-parser.c (c_parser_parms_declarator,
3867 c_parser_parms_list_declarator): Initialize pending_sizes.
3868 * c-decl.c (get_parm_info): Initialize pending_sizes.
3869 (get_parm_info): Set pending_sizes.
3870 (grokdeclarator): Call put_pending_sizes for parameters for
3871 function definition only.
3873 2006-09-07 Jason Merrill <jason@redhat.com>
3876 * varasm.c (output_constant): Only strip actual no-op conversions.
3879 * config/i386/i386.c (override_options): Use 128-bit
3880 stack boundary if -msse.
3882 2006-09-07 Eric Christopher <echristo@apple.com>
3884 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3886 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3889 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3891 * dwarf2out.c: Remove strange characters from comment above
3892 dwarf2out_frame_debug_expr.
3894 2006-09-07 Eric Christopher <echristo@apple.com>
3896 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3897 * config/darwin.h: ... to here.
3899 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3901 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3903 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3904 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3906 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3907 TARGET_PARTIAL_FLAG_REG_STALL.
3908 (*ashldi3_cconly_rex64): Likewise.
3909 (*ashlsi3_cmp): Likewise.
3910 (*ashlsi3_cconly): Likewise.
3911 (*ashlsi3_cmp_zext): Likewise.
3912 (*ashlhi3_cmp): Likewise.
3913 (*ashlhi3_cconly): Likewise.
3914 (*ashlqi3_cmp): Likewise.
3915 (*ashlqi3_cconly): Likewise.
3916 (*ashrdi3_cmp_rex64): Likewise.
3917 (*ashrdi3_cconly_rex64): Likewise.
3918 (*ashrsi3_cmp): Likewise.
3919 (*ashrsi3_cconly): Likewise.
3920 (*ashrsi3_cmp_zext): Likewise.
3921 (*ashrhi3_cmp): Likewise.
3922 (*ashrhi3_cconly): Likewise.
3923 (*ashrqi3_cmp): Likewise.
3924 (*ashrqi3_cconly): Likewise.
3925 (*lshrdi3_cmp_rex64): Likewise.
3926 (*lshrdi3_cconly_rex64): Likewise.
3927 (*lshrsi3_cmp): Likewise.
3928 (*lshrsi3_cconly): Likewise.
3929 (*lshrsi3_cmp_zext): Likewise.
3930 (*lshrhi3_cmp): Likewise.
3931 (*lshrhi3_cconly): Likewise.
3932 (*lshrqi2_cmp): Likewise.
3933 (*lshrqi2_cconly): Likewise.
3935 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3938 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3939 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3940 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3941 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3942 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3943 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3944 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3945 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3946 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3947 implement only CC setting effects of shift instructions.
3949 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3951 * doc/contrib.texi: Add myself.
3953 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3956 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3957 was set by the user.
3959 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3962 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3963 (divsi_inv_m1): Use them.
3964 (UNSPEC_DIV_INV_TABLE): New constant.
3966 2006-09-06 James E Wilson <wilson@specifix.com>
3969 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3970 then call count_or_remove_death_notes.
3972 2006-09-06 Jason Merrill <jason@redhat.com>
3975 * tree-inline.c (copy_result_decl_to_var): New fn.
3976 (declare_return_variable): Use it. Call declare_inline_vars here.
3977 (expand_call_inline): Not here.
3979 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3981 * doc/contrib.texi: Update my entry.
3983 2006-09-06 Nick Clifton <nickc@redhat.com>
3985 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3987 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3990 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3991 (canonicalize_induction_variables): Likewise.
3992 (tree_unroll_loops_completely): Likewise.
3993 (tree_ssa_prefetch_arrays): Likewise.
3994 (remove_empty_loops): Likewise.
3995 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3996 TODO_cleanup_cfg instead of directly calling
3997 cleanup_tree_cfg_loop.
3998 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4000 (tree_unroll_loops_completely): Likewise.
4001 (remove_empty_loops): Likewise.
4002 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4003 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4004 of tree_ssa_unswitch_loops.
4005 (tree_ssa_loop_ivcanon): Use the return value of
4006 canonicalize_induction_variables.
4007 (tree_ssa_empty_loop): Use the return value of
4009 (tree_complete_unroll): Use the return value of
4010 tree_unroll_loops_completely.
4011 (tree_ssa_loop_prefetch): Use the return value of
4012 tree_ssa_prefetch_arrays.
4013 * passes.c (execute_todo): Before Cleanup CFG, set
4014 updating_used_alone and after cleanup CFG, call
4015 recalculate_used_alone.
4017 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4020 * tree-vect-transform.c (vectorizable_condition): Move the check
4021 for the type after the check for simple condition.
4023 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4024 Kaz Kojima <kkojima@gcc.gnu.org>
4027 * mode-switching.c (optimize_mode_switching): Make the destination
4028 block of an abnormal edge have no anticipatable mode. Don't
4029 insert mode switching code at the end of the source block of
4032 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4034 PR rtl-optimization/26847
4035 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4036 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4037 (simplify_plus_minus): Count n_constants while filling ops. Replace
4038 qsort with insertion sort. Before going through the array to simplify
4039 pairs, sort it. Delay early exit until after the first sort, exiting
4040 only if no swaps occurred. Simplify pairs in reversed order, without
4041 special-casing the first iteration. Pack ops after simplifying pairs.
4043 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4045 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4046 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4047 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4048 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4050 2006-09-05 Richard Guenther <rguenther@suse.de>
4052 PR tree-optimization/28900
4053 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4054 compound conditional before creating COND_EXPR condition.
4056 2006-09-05 Richard Guenther <rguenther@suse.de>
4058 PR tree-optimization/28905
4059 * tree-vrp.c (fix_equivalence_set): Manually implement
4060 !value_ranges_intersect_p to also handle symbolic ranges.
4062 2006-09-05 Richard Guenther <rguenther@suse.de>
4065 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4068 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4070 PR rtl-optimization/27616
4071 * cse.c (table_size): New static variable.
4072 (new_basic_block): Initialize it to 0.
4073 (remove_from_table): Decrement it.
4074 (insert): Increment it.
4075 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4076 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4077 fold_rtx_mem_1 if under the cap.
4078 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4079 the lookup of the equivalent expression and test for equality of the
4080 first operand of the equivalent expression before in turn looking up
4081 an equivalent constant for the second operand.
4083 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4086 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4087 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4088 pointer, instead of assuming it is possible to derive the
4089 correct args size from a call insn.
4091 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4094 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4095 (fold_builtin_mempcpy): Rename to...
4096 (fold_builtin_memory_op): ... this. Optimize one element copy
4098 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4100 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4101 (expand_builtin_memcpy, expand_builtin_mempcpy,
4102 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4103 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4104 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4105 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4107 2006-09-01 DJ Delorie <dj@redhat.com>
4109 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4110 (stzx_16): Likewise.
4111 ("stzx_24_<mode>"): Likewise.
4112 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4113 ("cmp<mode>_op"): New.
4114 (cmp<mode>): Change to expander; just save operands.
4116 (b<code>): Change to expander, emit compare here.
4117 (s<code>_op): Change to use split and expander.
4118 (s<code>_24_op): Likewise.
4119 (s<code>_<mode>): New.
4120 (s<code>_<mode>_24): New.
4121 (movqicc_<code>_<mode): New.
4122 (movhicc_<code>_<mode>): New.
4125 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4126 (m32c_pend_compare): New.
4127 (m32c_unpend_compare): New.
4128 (m32c_expand_scc): New.
4129 (m32c_expand_movcc): Emit the compare also.
4130 * config/m32c/predicates.md (mra_nopp_operand): New.
4132 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4133 Richard Guenther <rguenther@suse.de>
4134 Adam Nemet <anemet@caviumnetworks.com>
4137 * builtins.c (get_pointer_alignment): Handle more forms
4138 of base addresses that can be used to derive more precise
4139 information about alignment.
4141 2006-09-01 Jason Merrill <jason@redhat.com>
4144 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4147 * gimplify.c (voidify_wrapper_expr): Handle null type.
4149 2006-09-01 Josh Conner <jconner@apple.com>
4152 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4153 (execute_return_slot_opt): Use it.
4155 2006-08-31 Josh Conner <jconner@apple.com>
4158 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4159 returning aggregates.
4161 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4163 PR tree-optimization/28839
4164 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4165 blocks in that phi arguments appear.
4167 2006-08-31 Roger Sayle <roger@eyesopen.com>
4170 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4171 NULL, otherwise use an advance_loc4 to adjust relative to the
4173 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4174 (dwarf2out_switch_text_section): Reset the current label to avoid
4175 using advance_loc4 over section boundaries.
4177 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4180 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4181 r12 + SYMBOLIC_CONST.
4183 2006-08-30 Richard Guenther <rguenther@suse.de>
4185 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4187 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4189 PR rtl-optimization/27735
4190 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4191 Add new argument to keep track of whether an irreducible region
4192 was affected. All callers changed.
4193 (fix_irreducible_loops): Removed.
4194 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4195 flags were invalidated.
4197 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4199 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4200 instead of SF operands.
4201 (*fop_df_comm_sse): Likewise.
4202 (*fop_df_comm_i387): Likewise.
4203 (*fop_df_1_mixed): Likewise.
4204 (*fop_df_1_sse): Likewise.
4206 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4207 J"orn Rennecke <joern.rennecke@st.com>
4209 PR tree-optimization/17506
4210 * tree-ssa.c (warn_uninit): If warning about a location outside of
4211 the current function, note where the variable was declared.
4213 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4215 PR tree-optimization/28411
4216 * double-int.c (double_int_div): Use double_int_divmod.
4217 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4218 double_int_mod, double_int_smod, double_int_umod): New functions.
4219 * double-int.h (double_int_divmod, double_int_sdivmod,
4220 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4222 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4224 (get_computation_aff, get_computation_cost_at): Handle double_int
4225 return type of constant_multiple_of.
4227 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4230 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4231 an implicit conversion.
4233 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4235 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4237 2006-08-27 Roger Sayle <roger@eyesopen.com>
4239 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4242 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4244 * config/i386/crtfastmath.c: Fix a comment typo.
4246 2006-08-26 Roger Sayle <roger@eyesopen.com>
4248 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4249 temporary visit flags on CASE_LABEL_EXPRs.
4250 * c-common.c (match_case_to_enum): Add function comment. Avoid
4251 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4252 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4253 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4254 a constant, only warn if that constant value isn't handled.
4256 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4259 * input.h (restore_input_file_stack): Declare.
4260 (INPUT_FILE_STACK_BITS): Define.
4261 * toplev.c (fs_p, input_file_stack_history,
4262 input_file_stack_restored, restore_input_file_stack): New.
4263 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4264 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4265 (pop_srcloc): Don't free old state of stack.
4267 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4270 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4271 (PowerPC Type Attributes): New.
4273 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4275 * config/xtensa/xtensa.c (function_arg_boundary): New.
4276 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4278 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4279 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4281 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4284 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4287 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4289 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4290 (verify_local_live_at_start): Likewise.
4292 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4295 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4296 omp_add_variable): Treat sizes as variable whenever not
4299 2006-08-26 Richard Guenther <rguenther@suse.de>
4302 * fold-const.c (fold_binary): Fold temporary to correct
4303 type before constructing new comparison.
4305 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4308 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4309 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4311 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4314 * c-decl.c (start_function): Don't try to process prototype
4315 information from old declaration that isn't a function.
4317 2006-08-25 Jan Hubicka <jh@suse.cz>
4320 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4322 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4325 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4328 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4330 PR tree-optimization/16876
4331 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4332 exit if PARM doesn't match VALUE.
4334 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4336 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4337 literal_prefix directive.
4338 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4339 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4340 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4342 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4345 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4346 predicate to general_operand. Add 0->y and I->r alternatives.
4348 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4350 * doc/tm.texi: Fix a typo.
4351 * predict.c: Fix comment typos.
4353 2006-08-25 Nick Clifton <nickc@redhat.com>
4355 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4356 assertions of "cpu" and "machine".
4358 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4361 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4362 the access through a base which has an alias set of 0 cannot
4365 2006-08-24 Bill Wendling <wendling@apple.com>
4367 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4369 2006-08-24 Jan Hubicka <jh@suse.cz>
4371 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4373 2006-08-24 Jan Hubicka <jh@suse.cz>
4376 * cgraph.c: Fix comments.
4377 (cgraph_varpool_mark_needed_node): Mark only variables not already
4379 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4380 (cgraph_varpool_assembled_nodes_queue): New static variable.
4381 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4382 (cgraph_varpool_output_debug_info): New function.
4383 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4384 * Makefile.in: Add gt-cgraphunit.h
4386 2006-08-24 Jan Hubicka <jh@suse.cz>
4388 * predict.c (probability_reliable_p): New predicate.
4389 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4390 (predict_loops): Do not predict loop exit with less than 2%
4392 * basic-block.h (edge_probability_reliable_p,
4393 br_prob_note_reliable_p): Declare.
4394 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4395 prediction when static predictor is not reliable.
4396 * rs6000.c (output_cbranch): Likewise.
4398 2006-08-23 Stuart Hastings <stuart@apple.com>
4401 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4402 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4404 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4407 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4408 complex values, nor for generic vector values.
4410 2006-08-22 Richard Guenther <rguenther@suse.de>
4413 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4414 parameter. Convert arguments to arithmetic expression to the
4416 (analyze_scalar_evolution_1): Adjust caller.
4418 2006-08-22 Jan Hubicka <jh@suse.cz>
4420 Patch by Paolo Bonzini
4421 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4424 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4426 PR tree-optimization/28003
4427 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4428 before grouping aliases.
4430 2006-08-22 Roger Sayle <roger@eyesopen.com>
4432 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4433 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4435 2006-08-21 Jason Merrill <jason@redhat.com>
4438 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4439 wrapper. Loop to handle nested wrappers.
4440 (gimplify_bind_expr): Remove temp parameter.
4441 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4442 and STATEMENT_LIST on the rhs.
4443 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4444 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4445 (gimplify_target_expr): Remove special BIND_EXPR handling.
4447 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4449 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4452 2006-08-21 Olivier Hainque <hainque@adacore.com>
4454 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4455 Arrange for the temporary captures of components overlapping the lhs
4456 to happen before the lhs is possibly cleared.
4458 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4460 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4461 necessary places to pass the correct "number of registers" values
4464 2006-08-20 Jan Hubicka <jh@suse.cz>
4466 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4467 (create_name_tags): Instead of quadratic checking use hashtable.
4468 * bitmap.h: Include hashtab.h.
4469 (bitmap_hash): Declare.
4470 * bitmap.c (bitmap_hash): New function.
4472 2006-08-20 Jan Hubicka <jh@suse.cz>
4474 PR rtl-optimization/28071
4475 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4477 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4478 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4479 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4480 cgraph_decide_inlining_incrementally): Update use of
4481 cgraph_check_inline_limits.
4482 * cgraph.c (edge_hash, edge_eq): New function.
4483 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4484 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4485 cgraph_remove_node): Maintain call site hash.
4486 * cgraph.h (struct cgraph_node): Add call_site_hash.
4487 (cgraph_set_call_stmt): New function.
4489 2006-08-20 Jan Hubicka <jh@suse.cz>
4491 PR rtl-optimization/28071
4492 * reload1.c (reg_has_output_reload): Turn into regset.
4493 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4494 choose_reload_regs, emit_reload_insns): Update to new
4495 reg_has_output_reload.
4497 2006-08-20 Jan Hubicka <jh@suse.cz>
4500 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4501 function body sizes.
4502 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4504 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4507 * tree.c (handle_dll_attribute): Return early if not a
4508 var or function decl.
4510 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4513 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4514 alignment of SPE vector types.
4516 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4518 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4520 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4523 * cgraph.h (struct cgraph_node): Remove externally_visible
4525 * cgraphunit.c (process_function_and_variable_attributes): Set
4526 local.externally_visible rather than externally_visible.
4529 * c-common.c (handle_externally_visible_attribute): First look
4530 at TREE_CODE and only if it is function or var decl, check for
4531 non-public objects. Don't warn for DECL_EXTERNAL.
4532 * cgraphunit.c (process_function_and_variable_attributes): Warn
4533 if externally_visible attribute is used on non-public object.
4535 2006-08-17 Jan Hubicka <jh@suse.cz>
4537 PR tree-optimization/27865
4538 * reload1.c (forget_marked_reloads): New function.
4539 (forget_old_reloads_1): When data are passed, just mark the registers
4541 (reload_as_needed): Use the new mechanizm.
4543 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4546 * reload.h (reg_equiv_alt_mem_list): New declaration.
4547 * reload1.c (reg_equiv_alt_mem_list): New definition.
4548 (reload): Initialize it and release it.
4549 (delete_output_reload): Use it.
4550 * reload.c (push_reg_equiv_alt_mem): New function.
4551 (find_reloads_toplev): Call it.
4552 (find_reloads_address, find_reloads_address_1): Likewise.
4553 (find_reloads_subreg_address): Likewise.
4555 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4557 PR rtl-optimization/28489
4558 * sched-ebb.c (begin_schedule_ready): Create basic block
4560 (advance_target_bb): Skip empty blocks.
4561 * haifa-sched.c (bb_note): Make global.
4562 * sched-int.h (bb_note): Add prototype.
4564 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4566 PR tree-optimization/27865
4567 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4569 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4570 fold_used_pointer, pointer_used_p): New functions.
4571 (analyze_scalar_evolution_1): Use fold_used_pointer.
4572 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4573 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4576 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4579 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4580 or the INTEGER_CST. Fail on a CALL_EXPR.
4581 (fold_offsetof): Pass new argument to fold_offsetof_1.
4582 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4583 operand into an INDIRECT_REF.
4584 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4586 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4588 PR gcov/profile/26570
4589 * value-prof.c (static_values): Removed.
4590 (tree_find_values_to_profile): Do not set static_values.
4591 (find_values_to_profile): Do not free static_values.
4592 * profile.c (instrument_values): Do not free the values.
4593 (branch_prob): Free the values.
4595 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4597 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4599 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4602 * c-typeck.c (build_component_ref): Combine qualifiers of
4603 structure or union and field.
4605 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4607 PR rtl-optimization/28071
4608 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4609 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4610 * tree-into-ssa.c (struct dom_dfsnum): New.
4611 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4613 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4614 compute_global_livein.
4615 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4616 in phi nodes in the correct blocks.
4618 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4620 PR tree-optimization/28364
4621 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4623 (fold_affine_expr): New function.
4624 (may_eliminate_iv): Use fold_affine_expr.
4626 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4629 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4632 2006-08-16 Mike Stump <mrs@apple.com>
4634 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4635 * doc/cppopts.texi (-MD): Likewise.
4637 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4640 * c-common.c (handle_weak_attribute): Ignore and warn if
4641 not a FUNCTION_ or VAR_DECL.
4643 2006-07-15 Mike Stump <mrs@apple.com>
4646 * c-parser.c (c_parser_typeof_specifier): Don't use
4647 c_finish_expr_stmt, open code desired semantics instead.
4649 2006-08-15 Nick Clifton <nickc@redhat.com>
4651 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4652 fragment to tmake_file only if threads are enabled.
4653 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4654 * config/i386/t-gthr-win32: New file. ... here.
4656 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4659 * c-parser.c (c_parser_compound_statement_nostart): Reset
4660 parser->error after each statement.
4662 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4665 * omp-low.c (lower_omp_parallel): Convert t to
4666 receiver_decl's type.
4667 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4668 source before comparison.
4671 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4672 to itype in assignment to oldival2.
4674 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4678 * c-typeck.c (build_compound_expr): If the second expression
4679 is an error mark, then just return an error mark instead of
4680 creating a COMPOUND_EXPR.
4682 2006-07-14 Mike Stump <mrs@apple.com>
4684 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4686 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4688 * c-decl.c, var-tracking.c: Fix comment typos.
4690 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4692 PR rtl-optimization/28634
4693 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4694 for floating-point modes unless flag_unsafe_math_optimizations.
4696 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4697 Andrew Pinski <pinskia@physics.uc.edu>
4700 * tree.c (build_array_type): Unify array types with
4701 unspecified index_type.
4702 * c-decl.c (grokdeclarator): Make sure we do not modify a
4703 unified incomplete array type.
4704 * c-typeck.c (store_init_value): Create distinct type before
4705 filling in the index type in an initializer from a compound
4708 * c-decl.c (grokdeclarator): Remove code where we copy the
4711 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4713 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4714 into account for TODO_dump_cgraph.
4715 (TODO_update_ssa_no_phi): Likewise.
4716 (TODO_update_ssa_full_phi): Likewise.
4717 (TODO_update_ssa_only_virtuals): Likewise.
4718 (TODO_remove_unused_locals): Likewise.
4719 (TODO_set_props): Likewise.
4720 (TODO_update_stmt_usage): Likewise.
4722 2006-08-13 Dirk Mueller <dmueller@suse.de>
4724 * c-common.c (strict_aliasing_warning): Fix formatting.
4726 2006-08-13 Matthias Klose <doko@debian.org>
4728 * doc/invoke.texi: Fix spelling errors.
4730 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4732 PR rtl-optimization/23454
4733 * reorg.c (relax_delay_slots): Update comment.
4735 2006-08-11 Richard Guenther <rguenther@suse.de>
4738 * simplify-rtx.c (simplify_const_relational_operation):
4739 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4742 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4744 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4745 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4747 2006-08-10 Paul Brook <paul@codesourcery.com>
4749 * final.c (final_scan_insn): Clear current_insn_predicate before
4750 outputting inline asm.
4752 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4754 PR tree-optimization/26197
4755 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4756 get_ref_base_and_extent and overlap_subvar to add only relevant
4757 subvars as may-aliases.
4758 (add_may_alias_for_new_tag): New function, factored out of
4760 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4761 with additional argument.
4762 * tree-flow.h (new_type_alias): Takes additional argument.
4764 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4766 * gcov.c (no_data_file): New flag.
4767 (read_count_file): Set it if data file not present. Assume counts
4769 (output_lines): Don't name the data file, if there wasn't one.
4771 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4773 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4774 (rs6000_generate_compare): Tweak comments.
4775 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4777 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4779 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4780 (var_debug_decl): New function.
4781 (var_reg_set): Follow debug decl link. Add location even if
4782 reg is already known to hold some other variable.
4783 (var_mem_set): Follow debug decl link.
4784 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4785 decl link. Delete other known locations of the variable part
4787 (var_reg_delete, var_mem_delete): Delete other known locations
4788 of the variable part if requested.
4789 (same_variable_part_p): New function.
4790 (add_stores): Select MO_COPY when appropriate.
4791 (vt_initialize): Handle it.
4792 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4793 known locations for MO_SET and MO_CLOBBER.
4794 (find_variable_location_part): New function.
4795 (set_variable_part, delete_variable_part): Use it.
4796 (clobber_variable_part): New function.
4797 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4800 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4802 PR tree-optimization/26969
4803 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4804 with an empty list of PHIs.
4806 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4810 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4813 2006-08-06 Andreas Schwab <schwab@suse.de>
4815 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4816 string. Whitespace and comment fixup.
4818 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4821 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4825 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4828 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4830 2006-08-04 Jan Hubicka <jh@suse.cz>
4834 * reload.c (push_reload): Patch out the mismatching instruction;
4836 (find_reload): Bail out if the instruction was patched out.
4838 2006-08-04 Jan Hubicka <jh@suse.cz>
4840 PR tree-optimization/24888
4841 * tree-inline.c (expand_call_inline): Do not re-record variables.
4842 (declare_inline_vars): Add variable to unexpanded_var_list.
4844 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4845 Roger Sayle <roger@eyesopen.com>
4847 PR rtl-optimization/26244
4848 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4849 inner_const are negative or greater than or equal to the bitsize of
4850 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4851 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4852 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4853 CONST0_RTX (mode) when the new shift count is greater than or equal to
4854 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4857 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4859 * tree-cfg.c: Fix a comment typo.
4861 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4864 * varasm.c (output_constant): Give the front end another chance to
4865 expand constants, after stripping NOPs.
4867 2006-08-03 Jan Hubicka <jh@suse.cz>
4869 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4872 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4874 PR tree-optimization/27770
4875 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4876 declaration removed (moved to tree-flow.h).
4877 (vect_can_force_dr_alignment_p): Likewise.
4878 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4879 (moved from tree-vectorizer.h).
4880 (vect_can_force_dr_alignment_p): Likewise.
4881 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4882 from outside the vectorizer - in particular from cgraph stage.
4883 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4884 the alignment of global arrays when -fsection-anchors is enabled.
4885 * cgraphunit.c (cgraph_increase_alignment): New function.
4886 (cgraph_optimize): Call cgraph_increase_alignment.
4888 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4891 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4892 not reload a SPE symbol_ref into a lo_sum address.
4894 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4897 * dwarf2out.c (prune_unused_types_prune): Move call to
4898 prune_unused_types_update_strings to cover the parent DIE also.
4900 2006-08-02 Jan Hubicka <jh@suse.cz>
4902 PR gcov/profile/28480
4903 * tree-cfg.c (change_bb_for_stmt): New function.
4904 (tree_merge_blocks, tree_split_blocks): Use it.
4906 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4912 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4913 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4914 (cgraph_optimize): Likewise.
4916 2006-08-01 Stuart Hastings <stuart@apple.com>
4918 * rtl.h (UINTVAL) New.
4919 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4920 * testsuite/gcc.dg/20060801-1.c: New.
4922 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4925 * c-typeck.c (build_external_type): Mark used enum types.
4926 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4928 (gen_subprogram_die): Whitespace fix.
4930 2006-08-01 Jan Hubicka <jh@suse.cz>
4932 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4933 bitmap when not needed.
4934 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4937 2006-08-01 Dirk Mueller <dmueller@suse.de>
4939 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4941 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4943 * Makefile.in: Revert part of previous patch:
4944 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4947 2006-07-30 Eric Christopher <echristo@apple.com>
4950 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4951 (PowerPC Variable Attributes): New section.
4953 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4955 PR target/28126 (partial fix)
4956 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4958 2006-07-28 Jan Hubicka <jh@suse.cz>
4960 PR rtl-optimization/28071
4961 * cfgrtl.c (rtl_delete_block): Free regsets.
4962 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4964 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4966 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4967 and variables used in dependencies.
4969 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4971 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4972 %fs for -mcmodel=kernel.
4973 (stack_tls_protect_test_di): Likewise.
4975 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4977 * Makefile.in: Use mkinstalldirs.
4979 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4982 * opts-common.c (prune_options): Skip joined switches.
4984 2006-07-27 Jan Hubicka <jh@suse.cz>
4986 PR rtl-optimization/28071
4987 * cselib.c (cselib_process_insn): Don't remove useless values too
4988 often for very large hashtables.
4990 2006-07-27 Jan Hubicka <jh@suse.cz>
4992 PR rtl-optimization/28071
4993 * global.c (greg_obstack): New obstack.
4994 (allocate_bb_info): Use it.
4995 (free_bb_info): Likewise.
4996 (modify_reg_pav): Likewise.
4998 2006-07-27 Roger Sayle <roger@eyesopen.com>
5000 * builtins.c (fold_fixed_mathfn): When long and long long are the
5001 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5002 functions to their lceil*, lfloor*, lround* and lrint* forms.
5004 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5007 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5009 (rev_branch_insn): Likewise.
5011 2006-07-27 Jan Hubicka <jh@suse.cz>
5013 PR rtl-optimization/28071
5014 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5015 (reg_set_in_bb, max_reg_computed): New static variables.
5016 (regmove_optimize): Free the new array.
5017 (fixup_match_1): Update call of reg_is_remote_constant_p.
5019 2006-07-26 Jan Hubicka <jh@suse.cz>
5021 PR tree-optimization/27882
5022 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5024 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5026 (cgraph_analyze_compilation_unit): Likewise.
5027 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5028 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5029 (cgraph_early_inlinine): Make order garbage collected.
5030 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5032 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5034 * dbxout.c (output_types_sort): Add a comment.
5035 (output_used_types): Free the VEC.
5037 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5039 * function.c (reorder_fix_fragments): Delete.
5040 (reorder_blocks): Don't call it.
5041 (reorder_blocks_1): Put all subblocks under the origin block.
5043 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5045 PR rtl-optimization/27907
5046 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5049 2006-07-25 Roger Sayle <roger@eyesopen.com>
5052 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5053 bar(x) check that bar's result type can represent all the values of T.
5055 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5057 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5059 2006-07-25 Nick Clifton <nickc@redhat.com>
5061 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5062 size_lookup[] array.
5063 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5064 (ggc_pch_count_object): Likewise.
5065 (ggc_pch_alloc_object): Likewise.
5066 (ggc_pch_write_object): Likewise.
5067 (init_ggc): Do not attempt to initialize entries in the
5068 size_lookup[] array for objects whose size is greater than than
5069 the length of the array.
5071 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5073 * dbxout.c (output_used_types_helper): Push queued types
5075 (output_types_sort): New.
5076 (output_used_types): Collect used types on a VEC and sort them
5079 2006-07-24 Richard Guenther <rguenther@suse.de>
5082 * cgraph.c (cgraph_remove_node): Do not check if dumps
5084 * cgraphunit.c (cgraph_optimize): Likewise.
5086 2006-07-24 Jan Hubicka <jh@suse.cz>
5088 PR rtl-optimization/28071
5089 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5090 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5091 splitting before first stmt.
5093 2006-07-24 Jan Hubicka <jh@suse.cz>
5095 PR rtl-optimization/28071
5096 * ipa-inline.c (update_caller_keys): Remove edges that
5097 are no longer inline candidates.
5099 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5102 * dbxout.c (output_used_types_helper, output_used_types): New.
5103 (dbxout_symbol): Call output_used_types.
5105 2006-07-23 Jan Hubicka <jh@suse.cz>
5109 * cgraph.c (cgraph_varpool_nodes): Export.
5110 (decide_is_variable_needed): Ignored "used" attribute in
5111 unit-at-a-time mode.
5112 * cgraph.h (cgraph_varpool_nodes): Declare.
5113 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5114 unit-at-a-time mode.
5116 2006-07-23 Roger Sayle <roger@eyesopen.com>
5119 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5120 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5121 the __gthrw form of thr_keycreate.
5122 (__gthread_key_delete): Silence the unused argument warning.
5124 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5127 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5128 Cache the last found '\0' marker to avoid quadratic behavior.
5130 2006-07-23 Jan Hubicka <jh@suse.cz>
5132 * i386.md (subsi_3_zext): Fix output template.
5134 2006-07-21 Mike Stump <mrs@apple.com>
5136 * doc/invoke.texi (C++ Dialect Options): Note that
5137 -fvisibility-inlines-hidden doesn't affect explicitly
5138 instantiationed inline methods.
5140 2006-07-20 Roger Sayle <roger@eyesopen.com>
5142 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5143 if the target assembler is GNU binutils' gas.
5144 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5145 whether to pass GNU gas or native as command line options.
5147 2006-07-20 Jason Merrill <jason@redhat.com>
5149 * tree.c (remove_attribute): New fn.
5150 * tree.h: Declare it.
5152 2006-07-20 Paul Brook <paul@codesourcery.com>
5155 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5156 they are invalidated by this instruction.
5158 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5161 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5163 2006-07-20 Eric Christopher <echristo@apple.com>
5166 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5168 2006-07-19 Eric Christopher <echristo@apple.com>
5170 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5171 Rewrite dependencies for libgcc_s.1.dylib.
5173 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5175 * except.c (duplicate_eh_regions_1): Clear next_peer.
5177 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5179 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5180 -mlongcall does not guarantee all calls will be long.
5181 * doc/extend.texi (long_call/short_call): Document that longcall
5182 does not guarantee a long call will be used.
5183 (longcall/shortcall): Likewise.
5185 2006-07-18 Roger Sayle <roger@eyesopen.com>
5188 * expmed.c (expand_shift): Additionally check that the shift_cost
5189 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5190 before implementing a LSHIFT_EXPR as a sequence of additions.
5191 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5192 middle-end that DImode shifts need to be synthesized by expand.
5194 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5197 * tree-ssa-operands.c (access_can_touch_variable): Update
5199 Return true if ALIAS is .GLOBAL_VAR.
5201 2006-07-18 David Daney <ddaney@avtrex.com>
5203 * gcc.c (display_help): Fix typo in help text.
5205 2006-07-18 Olivier Hainque <hainque@adacore.com>
5207 * tree.h (categorize_ctor_elements): Adjust prototype and add
5208 descriptive comment, both in accordance with the interface change
5210 * varasm.c (constructor_static_from_elts_p): New function.
5211 Whether a constructor node is a valid static constant initializer
5212 if all its elements are.
5213 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5214 * output.h: Declare it.
5215 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5216 is a valid constant initializer instead of computing the number of
5217 non-constant elements. Use constructor_static_from_elts_p for this
5218 purpose. Replace the head comment with an indication that this is a
5219 helper for categorize_ctor_elements.
5220 (categorize_ctor_elements): Same interface change as for the _1
5221 helper. Former head comment from this helper moved here, adjusted to
5222 account for the interface changes.
5223 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5224 (all_zeros_p): Likewise.
5225 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5226 static versions of the constructor from the categorize_ctor_elements
5227 return value instead of the formerly computed number of non-constant
5230 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5232 * configure: Regenerate.
5233 * Makefile.in (build_libsubdir): New configure substitution
5234 (build_libobjdir): New variable.
5235 (BUILD_LIBIBERTY): Use it.
5237 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5240 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5242 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5245 * c-common.c (handle_weakref_attribute): Ignore attribute in
5246 the same conditions the alias attribute is ignored.
5248 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5250 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5251 (dbxout_begin_prologue): Increment scope_labelno.
5253 2006-07-17 Richard Henderson <rth@redhat.com>
5256 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5259 2006-07-17 Roger Sayle <roger@eyesopen.com>
5260 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5262 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5263 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5264 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5265 functions such as sbrk, write, etc.. Add function prototypes.
5266 Convert function declarations from K&R to ISO C. Cast pointers
5267 to "long" and "unsigned long" instead of "int" and "unsigned int".
5268 Convert tokens following #endif into comments.
5270 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5272 * invoke.texi: Remove mention of f77; Reformat table for
5273 inline parameter options correctly; mention that -malign-double
5274 is default on x86-64 targets.
5276 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5278 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5279 (convert_affine_scev, chrec_convert_aggressive): Use
5280 avoid_arithmetics_in_type_p. Do not check for the subtypes
5283 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5286 * optabs.c (expand_doubleword_shift): Wrap the call to
5287 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5289 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5292 * optabs.c (expand_binop): Pass next_methods rather than methods
5293 to expand_doubleword_shift.
5295 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5298 * tree.h (dump_addr): Declare.
5299 * print-tree.c (dump_addr): New function.
5300 (print_node_brief, print_node): Use it.
5301 * print-rtl.c (print_rtx): Likewise.
5302 * common.opt (-fdump-noaddr): New option.
5303 * doc/invoke.texi (-fdump-noaddr): Document.
5304 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5305 (ve_info_hash): Likewise.
5307 2006-07-13 Andrew Haley <aph@redhat.com>
5309 PR tree-optimization/19505
5310 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5311 edge leaving this block, make sure that the destination of this
5312 block has only one predecessor.
5314 2006-07-17 Richard Guenther <rguenther@suse.de>
5316 PR tree-optimization/28238
5317 * tree-inline.c (copy_bb): Check if we produced valid
5318 gimple copying and substituting a stmt. If not, gimplify
5321 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5323 * optabs.c (maybe_encapsulate_block): New function extracted from...
5324 (emit_libcall_block): ...here. Invoke it on the block of insns to
5325 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5326 (emit_no_conflict_block): Likewise.
5328 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5330 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5332 2006-07-15 Roger Sayle <roger@eyesopen.com>
5334 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5335 a new NOP_EXPR case of the switch statement.
5337 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5340 * stor-layout.c (place_field): Take the bit field with
5341 an excessive size into account in the ms-bitfiled case.
5344 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5345 the previous bit field.
5347 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5350 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5352 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5354 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5355 signal frames correctly even when the signal was installed with
5358 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5360 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5361 (dbxout_function_end): Use local label LFBB. Remove hook
5363 (dbxout_source_line): Use local label LFBB.
5364 (dbxout_block): Likewise.
5365 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5366 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5367 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5368 and DBX_OUTPUT_NFUN.
5370 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5372 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5374 2006-07-13 Jan Hubicka <jh@suse.cz>
5376 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5378 * output.h (align_variable): Declare.
5379 * varasm.c (align_variable): Export.
5380 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5381 when basic block changed.
5383 2006-07-13 Nick Clifton <nickc@redhat.com>
5385 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5386 walking the LOG_LINKS chain.
5388 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5390 * doc/invoke.texi (C++ Dialect Options): Explain difference
5391 between -fvisibility-inlines-hidden and setting hidden
5392 visibility explicitly.
5394 2006-07-12 Eric Christopher <echristo@apple.com>
5396 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5397 (stmp-lipo): Depend on libgcc.a.
5399 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5401 * tree.c: Fix a comment typo.
5403 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5405 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5407 (umulhisi3_r): Likewise.
5409 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5412 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5413 x < 19, vs wchar_t support.
5415 2006-07-12 Nick Clifton <nickc@redhat.com>
5417 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5418 instead of -isa=sh4.
5420 2006-07-12 Mike Stump <mrs@apple.com>
5422 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5424 2006-07-10 Eric Christopher <echristo@apple.com>
5426 * config/t-slibgcc-darwin: Rewrite.
5428 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5431 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5434 2006-07-08 Matthias Klose <doko@debian.org>
5436 * doc/sourcebuild.texi: Fix typo.
5438 2006-07-07 Mike Stump <mrs@apple.com>
5440 * toplev.c (process_options): Don't give -ffunction-sections may
5441 affect debugging warning for Mach-O.
5443 2006-07-07 James E Wilson <wilson@specifix.com>
5445 * config/mips/mips.md (cpu): Add sb1a.
5446 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5447 addition to sb1. Adjust comments to clarify SB-1A differences from
5449 (ir_sb1a_load): New. Modify bypasses to use it.
5450 (ir_sb1a_simple_alu): Likewise.
5451 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5452 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5453 (mips_issue_rate): Add PROCESSOR_SB1A.
5454 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5455 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5456 (TARGET_SB1): Add PROCESSOR_SB1A check.
5457 (TUNE_SB1): Likewise.
5459 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5460 * config/mips/mips.c (mips_store_data_bypass_p): New.
5461 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5462 store_data_bypass_p.
5464 2006-07-08 Paul Brook <paul@codesourcery.com>
5467 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5469 2006-07-07 Richard Guenther <rguenther@suse.de>
5472 * tree.h (build_one_cst): Declare.
5473 * tree.c (build_one_cst): New function.
5474 * tree-ssa-math-opts.c (get_constant_one): Remove.
5475 (insert_reciprocals): Use build_one_cst.
5476 * fold-const.c (fold_plusminus_mult): Likewise.
5478 2006-07-07 Roger Sayle <roger@eyesopen.com>
5480 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5481 * cfgloopanal.c (dump_graph): Likewise.
5482 * dojump.c (discard_pending_stack_adjust): Likewise.
5483 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5485 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5486 * function.c (finalize_block_changes): Likewise.
5487 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5488 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5489 * rtl.c (dump_rtx_statistics): Likewise.
5490 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5492 * varray.c (dump_varray_statistics): Likewise.
5493 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5494 decode_decimal64, encode_decimal128, decode_decimal128,
5495 decimal_real_to_decimal): Likewise.
5497 2006-07-07 Richard Guenther <rguenther@suse.de>
5499 PR tree-optimization/28187
5500 * tree-vrp.c (vrp_operand_equal_p): New function.
5501 (vrp_bitmap_equal_p): Likewise.
5502 (update_value_range): Use them to compare old and new
5505 2006-07-06 Roger Sayle <roger@eyesopen.com>
5507 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5508 a default case to switch statement to silence compiler warnings.
5510 2006-07-06 Roger Sayle <roger@eyesopen.com>
5513 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5514 the configured assembler supports the x87's ffreep mnemonic.
5515 * configure: Regenerate.
5516 * config.in: Regenerate.
5518 * config/i386/i386.c (output_387_ffreep): New function.
5519 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5520 (output_387_reg_move): Likewise.
5522 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5524 Port to hosts whose 'sort' and 'tail' implementations
5525 treat operands with leading '+' as file names, as POSIX
5526 has required since 2001. However, make sure the code still
5527 works on pre-POSIX hosts.
5528 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5529 which says you should use "tail -c +N" rather than "tail +Nc".
5530 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5532 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5534 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5537 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5540 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5541 PRE_{INC,DEC} of TFmode.
5543 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5544 Alan Modra <amodra@bigpond.net.au>
5547 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5550 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5553 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5554 Remove duplicate gtu.
5556 2006-07-05 Jason Merrill <jason@redhat.com>
5560 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5561 * c-common.c (handle_packed_attribute): So don't copy it here.
5562 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5564 2006-07-05 Mike Stump <mrs@apple.com>
5566 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5568 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5571 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5573 2006-07-05 Richard Guenther <rguenther@suse.de>
5576 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5577 TARGET_SSE2 targets if using SSE math.
5578 (*absdf2_1): Likewise.
5580 2006-07-05 Richard Guenther <rguenther@suse.de>
5582 PR tree-optimization/28162
5583 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5584 make sure to convert the operands to the correct type.
5586 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5588 PR tree-optimization/28218
5590 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5591 to calculate and free the dominator information.
5593 2006-07-04 Peter O'Gorman <peter@pogma.com>
5595 * mklibgcc.in: chmod 644 before ranlib during install.
5597 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5598 J"orn Rennecke <joern.rennecke@st.com>
5600 * configure.ac (.eh_frame data check): Use diff -b.
5602 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5605 * Makefile.in (BUILD_RTL): Add build/vec.o.
5606 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5607 (build/genextract): Delete.
5608 (build/genautomata): Likewise.
5610 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5613 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5614 128-bit IBM long doubles for ABI_V4.
5616 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5618 * tree.c (range_in_array_bounds_p): New predicate.
5619 * tree.h (range_in_array_bounds_p): Declare it.
5620 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5621 return a less conservative answer.
5622 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5623 and flag 'is_group'.
5624 (IS_ELEMENT_FOR_GROUP): New macro.
5625 (FOR_EACH_ACTUAL_CHILD): Likewise.
5626 (next_child_for_group): New helper function.
5627 (can_completely_scalarize_p): Take into account groups.
5628 (sra_hash_tree): Handle RANGE_EXPR.
5629 (sra_elt_eq): Likewise.
5630 (lookup_element): Be prepared for handling groups.
5631 (is_valid_const_index): Delete.
5632 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5633 instead of is_valid_const_index.
5634 <ARRAY_RANGE_REF>: New case.
5635 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5636 is_valid_const_index.
5637 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5638 (scan_dump): Dump info for groups too.
5639 (decide_instantiation_1): Likewise.
5640 (decide_block_copy): Assert that the element is not a group.
5641 Propagate decision to groups.
5642 (generate_one_element_ref): Handle RANGE_EXPR.
5643 (mark_no_warning): Iterate over actual childs.
5644 (generate_copy_inout): Likewise.
5645 (generate_element_copy): Likewise.
5646 (generate_element_zero): Likewise.
5647 (generate_element_init_1): Likewise.
5648 (dump_sra_elt_name): Handle RANGE_EXPR.
5650 2006-07-03 Roger Sayle <roger@eyesopen.com>
5652 PR tree-optimization/26251
5653 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5654 (thread_block): When optimizing for size refuse to thread jumps
5655 that would require duplication of blocks other than redirection
5658 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5660 * configure.ac: Fix thinko in previous check-in.
5661 * configure: Regenerate.
5663 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5666 * configure.ac (for lang...): Simplify nesting of conditionals.
5667 Test subdir_requires for non-enabled languages. Move processing
5668 of lang_opt_files and lang_tree_fiels below that test.
5669 * configure: Regenerate.
5670 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5672 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5674 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5676 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5678 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5681 2006-06-29 Jason Merrill <jason@redhat.com>
5688 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5689 * c-common.c (c_determine_visibility): Handle it here.
5690 * c-decl.c (finish_decl): Call c_determine_visibility for
5692 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5694 * varasm.c (default_assemble_visibility): Likewise.
5695 * c-common.c (handle_visibility_attribute): Complain about trying
5696 to give visibility to an already defined class, or trying to change
5697 declared visibility. Always attach the attribute.
5702 * attribs.c (decl_attributes): Ignore type-in-place attributes
5703 once the type has been defined.
5705 2006-06-29 Roger Sayle <roger@eyesopen.com>
5708 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5709 to indicate the cpplib has issued an error message for us.
5711 2006-06-29 Asher Langton <langton2@llnl.gov>
5714 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5715 insert a label at the end of an function under Mach-O.
5717 2006-06-29 Eric Christopher <echristo@apple.com>
5718 Evan Cheng <evan.cheng@apple.com>
5720 * predicates.md (vector_all_ones_operand): New.
5721 (nonimmediate_or_sse_const_operand): Ditto.
5722 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5723 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5724 (standard_sse_mode_p): Ditto.
5725 (standard_sse_constant_p): Add case for -1 vector.
5726 (ix86_expand_vector_move): Try to use.
5727 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5728 Call standard_sse_constant_opcode.
5729 (*movv4sf_internal): Ditto.
5730 (*movv2df_internal): Ditto.
5732 2006-06-29 Roger Sayle <roger@eyesopen.com>
5734 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5735 of XEXP to extract the operands of a MATCH_CODE rtx.
5737 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5739 * tree.c (tree_size): Do not waste tail padding in
5740 struct tree_string and make the size be the same as
5741 build_string will generate.
5743 2006-06-28 Jason Merrill <jason@redhat.com>
5746 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5747 may_aliases already in the tag's annotations to the bitmap.
5749 2006-06-28 Roger Sayle <roger@eyesopen.com>
5751 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5753 2006-06-28 Roger Sayle <roger@eyesopen.com>
5755 * genpreds.c (generate_switch_p): New function.
5756 (add_mode_tests): Push the new mode test down inside an AND expr
5757 if this allows the switch-suitable MATCH_CODE to be near the root.
5758 (write_match_code_switch): New function to write a MATCH_CODE as
5760 (write_predicate_stmts): New function to write a predicate RTX
5761 expression as a sequence of statements.
5762 (write_one_predicate_function): Use write_predicate_stmts.
5763 (write_tm_constrs_h): Likewise.
5765 2006-06-26 Fred Fish <fnf@specifix.com>
5767 * config/mips/t-sb1: New file.
5768 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5771 2006-06-26 DJ Delorie <dj@redhat.com>
5773 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5775 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5776 Jayant Sonar <jayants@kpitcummins.com>
5777 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5779 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5780 (subsi3, subsi3_1, subsi3_2): New.
5781 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5782 * config/m32c/mov.md (SI mov peephole): New.
5783 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5784 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5786 2006-06-26 Olivier Hainque <hainque@adacore.com>
5788 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5789 a CALL_EXPR target function declaration.
5791 2006-06-26 Richard Guenther <rguenther@suse.de>
5793 * tree.c (build_string): Do not waste tail padding in
5796 2006-06-26 Richard Guenther <rguenther@suse.de>
5798 * ggc-page.c (init_ggc): Add missing element to size_lookup
5802 2006-06-23 Richard Guenther <rguenther@suse.de>
5804 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5805 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5806 alignment requests instead. Add verification code.
5807 Add struct tree_function_decl and struct tree_binfo size to
5808 extra_order_size_table. Add missing element to size_lookup
5811 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5814 * fold-const.c (const_binop): Be prepared for self returning zero.
5815 Simplify code handling complex values.
5817 2006-06-24 Olivier Hainque <hainque@adacore.com>
5819 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5820 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5823 2006-06-24 Olivier Hainque <hainque@adacore.com>
5825 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5826 ARRAY_REF, so have the callback called for the low bound expression.
5828 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5830 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5831 * c-typeck.c (c_common_type): Disallow operations on decimal float
5832 types and other float types.
5833 * convert.c (convert_to_real): Don't ignore conversions involving
5834 decimal float types.
5836 2006-06-23 Olivier Hainque <hainque@adacore.com>
5838 * tree.c (max_int_size_in_bytes): New function, inspired from
5839 code in function.c:assign_temp.
5840 * tree.h (max_int_size_in_bytes): Declare.
5841 * function.c (assign_temp): Use it.
5842 * gimplify.c (create_tmp_var): Relax the assertions on the type
5843 properties, not mandating constant size any more.
5844 (force_constant_size): New static function.
5845 (gimple_add_tmp_var): Use it, forcing variable size to a
5846 constant upper bound if it is not constant on entry.
5848 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5851 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5852 for initialization and setting of one_only flag to ...
5853 (i386_pe_encode_section_info): ...here.
5854 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5855 Recheck that the symbol has not been defined.
5857 2006-06-23 Richard Guenther <rguenther@suse.de>
5859 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5860 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5861 alignment requests instead. Add verification code.
5862 Add struct tree_function_decl and struct tree_binfo size to
5863 extra_order_size_table. Add missing element to size_lookup
5866 2006-06-22 Roger Sayle <roger@eyesopen.com>
5867 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5870 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5871 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5873 2006-06-23 Ben Elliston <bje@au.ibm.com>
5875 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5876 negate dn -- manipulate it directly.
5878 2006-06-22 Roger Sayle <roger@eyesopen.com>
5879 Steven Bosscher <stevenb.gcc@gmail.com>
5882 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5883 generated by gen_move_insn to add REG_LABEL notes if necessary.
5885 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5887 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5888 (leaf_entry): Remove use of MIN_ESA.
5890 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5892 PR rtl-optimization/28121
5893 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5896 2006-06-21 DJ Delorie <dj@redhat.com>
5898 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5900 (mulhisi3_r): Likewise.
5902 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5905 * coverage.c (coverage_counter_alloc): Leave the index type
5907 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5910 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5912 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5913 section from the "Options for Code Generation Conventions".
5915 2006-06-21 Richard Henderson <rth@redhat.com>
5919 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5921 (global_symbolic_operand): Allow weak symbols, even if local_p.
5923 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5925 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5926 (find_interesting_uses_address): Punt if above function returns true.
5928 2006-06-21 Richard Guenther <rguenther@suse.de>
5930 * configure: Regenerated.
5932 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5934 * config/mips/mips.c (function_arg): Where one part of a
5935 complex argument is in registers and the other part in the stack,
5936 return a REG not a PARALLEL.
5938 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5940 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5941 when cross-compiling. Do not substitute libstdcxx_incdir.
5942 * configure: Regenerated.
5944 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5946 * varasm.c (mergeable_string_section): Check for embedded NULs and
5947 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5948 rather than TREE_STRING_LENGTH bytes.
5950 2006-06-21 Richard Guenther <rguenther@suse.de>
5952 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5953 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5956 2006-06-21 Richrad Guenther <rguenther@suse.de>
5958 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5959 Limit iteration over the dominators.
5961 2006-06-20 Roger Sayle <roger@eyesopen.com>
5963 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5964 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5966 2006-06-20 Richard Guenther <rguenther@suse.de>
5967 Michael Matz <matz@suse.de>
5969 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5971 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5972 * et-forest.h (et_free_pools): Prototype new function.
5973 * et-forest.c (et_free_tree_force): Free parent occurrence.
5974 (et_free_pools): New function.
5975 * dominance.c (free_dominance_info): Free et-forest alloc
5978 2006-06-20 Roger Sayle <roger@eyesopen.com>
5980 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5981 integer modes, attempt to directly construct an integer constant.
5983 * fold-const.c (native_encode_vector): Determine the size of each
5984 element from the vector type instead of the first vector element.
5986 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5987 if all of its elements/components are constant.
5988 (build_constructor_from_list): Likewise.
5990 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5992 PR tree-optimization/27331
5993 * tree-data-ref.c (free_data_ref): New function.
5994 (create_data_ref): Fail if the data reference has unknown access
5996 (free_data_refs): Use free_data_ref.
5998 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6001 * tree-inline.c (setup_one_parameter): Strip useless
6002 type conversion before adding it to the IR.
6003 (declare_return_variable): Likewise.
6005 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6008 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6010 2006-06-19 Mike Stump <mrs@apple.com>
6012 * tree.c (variably_modified_type_p): VM arguments don't make the
6015 2006-06-19 Richard Guenther <rguenther@suse.de>
6017 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6018 type conversions after folding.
6020 2006-06-19 Richard Guenther <rguenther@suse.de>
6022 * ggc-page.c (extra_order_size_tab): Add entries with
6023 size of struct function and basic_block.
6024 (size_lookup): Extend to cover sizes up to 511.
6025 (ggc_alloc_stat): Adjust user.
6026 (ggc_pch_count_object): Likewise.
6027 (ggc_pch_alloc_object): Likewise.
6028 (ggc_pch_write_object): Likewise.
6030 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6032 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6033 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6036 2006-06-19 Denis Chertykov <denisc@overta.ru>
6038 * config/avr/libgcc.S : Correct my wrong previous commit.
6040 2006-06-19 Roger Sayle <roger@eyesopen.com>
6043 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6044 have stripped a SUBREG from the shift count, so we may need to
6045 convert_to_mode back to the type's mode before calling make_tree.
6046 Use new_amount instead of amount to avoid expanding a tree twice.
6048 2006-06-19 Richard Guenther <rguenther@suse.de>
6051 * fold-const.c (operand_equal_p): Check if the argument types
6052 have the same precision before stripping NOPs.
6054 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6056 Fix PR tree-optimization/27341
6057 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6059 * tree-complex.c (pass_lower_complex): Update SMT usage.
6061 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6063 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6064 Add a new alternative to the constraint strings. Add move of
6065 operand 1 to 3 to the splitter definition.
6066 ("doloop_si_long"): Second contraint alternative removed.
6068 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6070 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6071 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6073 (AVR_HAVE_MOVW) Define.
6074 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6075 (ASM_SPEC): Add avr25.
6076 (LINK_SPEC): Add avr25.
6077 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6078 (base_arch_s): Add new member 'have_movw_lpmx'.
6079 (avr_arch_types): Init 'have_movw_lpmx'.
6080 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6081 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6082 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6083 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6084 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6086 (avr_file_start): Do not output '.arh' derective.
6087 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6088 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6089 * config/avr/avr.md (mcu_enhanced): Delete.
6090 (mcu_have_movw): Define.
6091 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6092 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6093 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6094 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6095 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6096 attiny861 and at86rf401 devices.
6098 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6100 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6103 2006-06-17 Karl Berry <karl@gnu.org>
6105 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6106 doc/gccint.texi, doc/install.texi (@dircategory): Use
6107 "Software development" instead of "Programming", following
6108 the Free Software Directory.
6110 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6112 * config/i386/i386.c (legitimate_tls_address)
6113 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6114 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6115 (*tls_dynamic_gnu2_combine_64): Likewise.
6117 2006-06-16 Richard Guenther <rguenther@suse.de>
6120 * fold-const.c (negate_expr_p): Do not introduce undefined
6121 overflow in negating INTEGER_CSTs.
6122 (fold_negate_expr): Rename from negate_expr. Revert last
6123 change for folding BIT_NOT_EXPR. Change semantics to
6124 return NULL_TREE for non-simplified negations. Do not
6125 strip type conversions and unify type handling.
6126 (negate_expr): New function, wrap around fold_negate_expr
6127 but ensure building a tree always. Strip type conversions
6128 here, fold to result type.
6129 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6131 2006-06-16 Roger Sayle <roger@eyesopen.com>
6134 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6135 that (would) return their results in stack registers.
6137 2006-06-16 Michael Matz <matz@suse.de>
6138 Richard Guenther <rguenther@suse.de>
6140 * fold-const.c (fold_truthop): Only return new tree node if
6141 we canonicalized something.
6143 2006-06-16 Richard Guenther <rguenther@suse.de>
6145 * function.h (enum function_frequency): Move declaration
6146 out of struct function.
6147 (struct function): Move bool fields and the enum to the bitfield
6148 section. Reorder elements to avoid padding. Remove unused
6149 fields left over from the RTL inliner removal.
6150 * function.c (free_after_compilation): Do not zero removed fields.
6151 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6152 (ipa-type-escape.o): Likewise.
6154 2006-06-16 Richard Guenther <rguenther@suse.de>
6156 * cgraph.h (struct cgraph_local_info): Turn bool elements
6158 (struct cgraph_node): Likewise.
6159 (struct cgraph_varpool_node): Likewise.
6161 2006-06-15 Richard Guenther <rguenther@suse.de>
6163 * fold-const.c (fold_truth_not_expr): Rename from
6164 invert_truthvalue. Give it fold_* semantics to avoid
6166 (invert_truthvalue): New function. Wrapper around
6167 fold_truth_not_expr.
6168 (optimize_minmax_comparison): Avoid creating garbage.
6169 (fold_unary): Use fold_truth_not_expr for folding
6171 (fold_ternary): Replace uses of invert_truthvalue with
6172 fold_truth_not_expr where applicable.
6173 * tree.h (fold_truth_not_expr): Prototype.
6175 2006-06-16 Richard Guenther <rguenther@suse.de>
6177 PR tree-optimization/27781
6178 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6179 * ipa-pure-const.c (target.h): Include.
6180 (analyze_function): Do not analyze functions that do not
6183 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6186 * tree-dfa.c (referenced_vars_dup_list): Remove.
6187 (find_referenced_vars): Remove assert.
6188 (referenced_var_check_and_insert): Replace dup list with assert.
6189 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6190 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6192 2006-06-15 Richard Guenther <rguenther@suse.de>
6194 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6195 extra unused identifiers if not dumping.
6196 (create_variable_info_for): Likewise.
6198 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6200 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6201 (derive_constant_upper_bound): Derive more precise upper bound in
6202 common cases. Return type changed to double_int.
6203 (record_estimate): Reflect the changed return type of
6204 derive_constant_upper_bound.
6205 * double-int.c (double_int_zext, double_int_sext): Fix.
6207 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6209 * configure.ac (CFLAGS): Get them from the toplevel or from the
6210 configure invocation.
6211 * configure: Regenerate.
6212 * Makefile.in (CFLAGS): Substitute value provided by configure.
6214 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6217 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6218 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6219 rather than calling add_stmt on it.
6220 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6222 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6225 * reload1.c (reload): Remove registers returned by update_eliminables
6226 from used_spill_regs.
6228 2006-06-13 DJ Delorie <dj@redhat.com>
6230 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6232 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6234 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6235 html__strip_dir, html__mkdir_p. Enhance install-html target.
6236 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6237 * configure: Regenerate.
6239 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6241 * fold-const.c (fold_cond_expr_with_comparison): Check for
6242 Objective-C++ as language in deciding COND_EXPR transformation.
6244 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6247 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6248 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6249 * config/sh/lib1funcs.h (SL, SL1): Define.
6250 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6251 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6252 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6253 (OBJS_Os_4_200): New variable.
6254 ($(T)libgcc-Os-4-200.a): Use it.
6255 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6256 when dividing 1 and/or by 0.
6258 2006-06-13 Roger Sayle <roger@eyesopen.com>
6260 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6261 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6262 * configure: Regenerate.
6264 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6266 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6267 for real instruction.
6269 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6272 * haifa-sched.c (check_cfg): Handle special case.
6274 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6277 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6278 Add debug_info parameter. Chain the vars to the BLOCK instead
6279 of the BIND_EXPR if debug info are requested for them.
6280 (pop_gimplify_context): Adjust for above change.
6281 (gimple_add_tmp_var): Likewise.
6282 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6284 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6285 (convert_local_reference): Likewise.
6286 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6287 (finalize_nesting_tree_1): Request that debug info be emitted
6288 for debug_var_chain.
6290 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6292 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6293 for PR target/27863.
6295 2006-06-13 Richard Guenther <rguenther@suse.de>
6298 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6300 2006-06-13 Richard Guenther <rguenther@suse.de>
6302 PR tree-optimization/27830
6303 * tree-inline.c (copy_body_r): For copying the operand
6304 of an ADDR_EXPR make sure to fold &* afterwards.
6306 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6308 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6309 lvalues in the fb_none case with side-effects.
6311 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6313 * tree-flow.h: Remove the prototype for
6314 compute_phi_arg_on_exit.
6315 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6316 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6319 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6321 * builtins.c (expand_builtin_return_addr): Only use
6322 frame_pointer_rtx when count == 0 and we are expanding
6323 __builtin_return_address.
6325 2006-06-12 Fred Fish <fnf@specifix.com>
6327 * config/mips/mips.c (mips_file_start): Create special section
6328 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6330 2006-06-11 Eric Christopher <echristo@apple.com>
6333 * stor-layout.c (place_field): Remove check for
6334 remaining_in_alignment when aligning at the end of a run.
6336 2006-06-11 Eric Christopher <echristo@apple.com>
6339 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6342 2006-06-11 Roger Sayle <roger@eyesopen.com>
6345 Revert incorrect fix for PR target/27158
6346 2006-05-08 Roger Sayle <roger@eyesopen.com>
6347 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6348 of a reg_equiv_constant if the result is a legitimate constant.
6350 2006-06-11 Roger Sayle <roger@eyesopen.com>
6353 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6354 extract a CONST_VECTOR element and interpret it as an integer.
6355 (vspltis_constant): Use const_vector_elt_as_int instead of the
6356 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6357 * config/rs6000/predicates.md (easy_vector_const): Consider
6358 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6360 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6363 * stor-layout.c (update_alignment_for_field): Don't add extra
6364 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6367 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6369 * config/mips/t-rtems: Add EL/EB multilib variants.
6371 2006-06-09 Mike Stump <mrs@apple.com>
6373 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6375 2006-06-09 David Daney <ddaney@avtrex.com>
6377 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6379 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6381 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6383 2006-06-09 Richard Guenther <rguenther@suse.de>
6385 PR tree-optimization/26998
6386 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6387 of signed types, only TYPE_MIN_VALUE is special, but for both,
6388 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6389 in this case, as is -fwrapv.
6391 2006-06-08 Mike Stump <mrs@apple.com>
6394 * config/darwin.c (darwin_asm_output_anchor): Disable
6395 -fsection-anchors on darwin for now.
6396 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6397 * rs6000/rs6000.c (optimization_options): Likewise.
6399 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6402 * config/i386/i386.c (classify_argument): Skip fields with invalid
6405 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6407 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6408 (cse_insn): Likewise for the stack_pointer_rtx.
6410 2006-06-08 Roger Sayle <roger@eyesopen.com>
6412 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6413 conditions from floating point comparisons.
6415 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6418 * expmed.c (struct alg_hash_entry): Fix type of field T
6419 to match synth_mult argument.
6420 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6422 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6425 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6428 2006-06-08 Richard Guenther <rguenther@suse.de>
6431 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6432 only, if overflow is defined and not trapping.
6433 (negate_expr): Likewise.
6435 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6437 PR tree-optimization/27872
6438 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6439 flag on the new exit edge of the unrolled loop.
6441 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6443 PR rtl-optimization/26449
6444 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6446 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6449 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6450 referenced_variables with matching DECL_UID's.
6451 (find_referenced_vars): Make sure duplicate list is empty to start.
6452 (referenced_var_p): Remove.
6453 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6454 Check if var is in the list, and add if needed. Update the duplicate
6455 list if a different var is in the list with the same DECL_UID.
6456 (add_referenced_var): Call routine to check and insert.
6457 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6458 * tree-flow.h (referenced_vars_dup_list): External declaration.
6460 2006-06-07 Fred Fish <fnf@specifix.com>
6462 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6465 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6468 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6469 the imaginary and real parts of a clobbered register.
6470 Emit insn to set the imaginary part.
6472 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6474 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6475 in lieu of unwind-dw2-fde.c.
6477 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6479 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6481 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6484 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6485 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6486 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6487 V4SImode temporaries and operations instead.
6489 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6491 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6494 2006-06-06 Mike Stump <mrs@apple.com>
6496 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6497 installing during build.
6499 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6501 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6503 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6504 * config/ia64/ia64.c (params.h): New header.
6505 (ia64_optimization_options): New function to adjust parameters.
6506 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6507 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6508 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6510 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6512 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6514 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6517 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6519 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6520 Victor Kaplansky <victork@il.ibm.com>
6522 PR tree-optimization/26360
6523 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6526 2006-06-04 Roger Sayle <roger@eyesopen.com>
6527 Andrew Pinski <pinskia@physics.uc.edu>
6530 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6531 for LABEL_DECL before calling DECL_WEAK.
6534 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6535 LABEL_DECL and PARM_DECL.
6537 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6541 * c-decl.c (grokdeclarator): Disallow variably modified types at
6542 file scope. Avoid marking shared array type of constant size as
6545 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6548 * c-common.c (fold_offsetof_1): Handle static members.
6550 2006-06-04 Eric Christopher <echristo@apple.com>
6552 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6553 (debug_rli): Output value for remaining_in_alignment.
6554 (update_alignment_for_field): Unconditionalize
6555 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6556 extra alignment code.
6557 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6558 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6559 * tree.h (record_layout_info_s): Remove prev_packed.
6560 * doc/extend.texi (ms_struct): Add documentation of format.
6562 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6564 * tree.h: Declare folding_initializer.
6565 * builtins.c (fold_builtin_constant_p): Give definite answer
6566 if folding inside an initializer.
6567 * fold-const.c: Define folding_initializer.
6568 (START_FOLD_INIT): Save and then set folding_initializer.
6569 (END_FOLD_INIT): Restore folding_initializer.
6571 2006-06-04 Richard Guenther <rguenther@suse.de>
6573 PR tree-optimization/27039
6574 * fold-const.c (fold_comparison): Handle pointer comparison
6575 again for all comparison codes. Compare offsets in signed
6577 (fold_binary): Move code from here.
6579 2006-06-03 Roger Sayle <roger@eyesopen.com>
6582 * config/i386/i386.c (construct_container): Split static issued_error
6583 flag into issued_sse_arg_error, issued_sse_ret_error and
6584 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6585 requires the use of x87 registers and the user explicitly
6586 specified the -mno-80387 command line option.
6588 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6590 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6591 HAVE_DECL_SIGALTSTACK.
6593 (segv_handler): Use MC_FLD.
6594 * configure.ac: Check for a sigaltstack declaration.
6595 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6596 * configure: Regenerate.
6597 * config.in: Regenerate.
6599 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6602 * Makefile.in (stmp-fixinc): Fix typo.
6604 2006-06-02 Roger Sayle <roger@eyesopen.com>
6606 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6607 are type correct. Clean-up.
6608 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6609 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6611 2006-06-01 DJ Delorie <dj@redhat.com>
6613 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6614 shift, as we've disabled the "switch" insn that needs it.
6616 2006-06-01 Per Bothner <bothner@bothner.com>
6618 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6619 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6620 * c-ppoutput.c (cb_define): Don't increment line 0.
6622 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6624 * doc/invoke.texi: Add cpu_type power6.
6625 * config.gcc: Add cpu_type power6.
6626 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6627 to power5+ with Altivec.
6628 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6629 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6631 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6633 * config/avr/avr.h (SET_ASM_OP): Define.
6635 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6637 * config/bfin/bfin.c: Fix comment typos.
6639 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6642 * doc/install.texi: Document --enable-bootstrap and
6643 --disable-bootstrap.
6645 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6647 * doc/install.texi: Document that InfoZIP can replace jar.
6649 2006-05-31 Roger Sayle <roger@eyesopen.com>
6651 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6652 isn't available, directly generate the simpler x87 patterns without
6653 the (use (const_int 0)).
6654 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6655 implementation isn't available.
6656 (*negdf2_1): Likewise.
6657 (*negxf2_1): XF mode negation is always done using the x87.
6658 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6660 2006-05-31 Roger Sayle <roger@eyesopen.com>
6662 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6663 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6665 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6667 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6669 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6670 * config/bfin/bfin.c (basic-block.h): Include.
6671 (struct machine_function): New.
6672 (bfin_init_machine_status): New.
6673 (override_options): Initialize init_machine_status.
6674 (bfin_hardware_loop): New.
6675 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6676 (DEF_VEC_P (loop_info)): New.
6677 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6678 (struct loop_info): New.
6679 (loop_info): New typedef.
6680 (struct loop_work): New.
6681 (loop_work): New typedef.
6682 (DEF_VEC_O (loop_work)): New.
6683 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6684 (bfin_dump_loops): New.
6685 (bfin_bb_in_loop): New.
6686 (bfin_scan_loop): New.
6687 (bfin_optimize_loop): New.
6688 (bfin_reorg_loops): New.
6689 (bfin_reorg): Use bfin_reorg_loops.
6690 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6692 (I_REGNO_P): Simplify.
6693 (DP_REGNO_P, DPREG_P): New macros.
6694 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6695 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6696 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6697 Add LT_REGS, LC_REGS, LB_REGS.
6698 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6700 (REGNO_REG_CLASS): Deal with loop registers.
6701 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6703 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6704 New constants for loop registers.
6705 (UNSPEC_LSETUP_END): New.
6706 (seq_insns): New define_attr. Set it for appropriate insns.
6707 (movsi_insn): Add alternatives for move from/to
6708 loop count registers.
6709 (doloop_end): New define_expand.
6710 (loop_end): New define_insn.
6711 (define_split for bad doloop_end): New.
6712 (lsetup_with_autoinit): New define_insn.
6713 (lsetup_without_autoinit): New define_insn.
6714 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6715 * config/bfin/predicates.md (lc_register_operand): New.
6716 (lt_register_operand): New.
6717 (lb_register_operand): New.
6718 (nondp_register_operand): New.
6719 (nondp_reg_or_memory_operand): New.
6720 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6722 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6724 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6725 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6727 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6729 * Makefile.in (CATALOGS): Add po/ prefix.
6730 * configure: Regenerated.
6732 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6735 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6736 a shift operand before calling shift_op. Avoid redundant call of
6739 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6740 DJ Delorie <dj@redhat.com>
6742 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6743 we're inserting is a singlt-bit constant.
6745 2006-05-30 Roger Sayle <roger@eyesopen.com>
6747 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6748 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6750 2006-05-30 Roger Sayle <roger@eyesopen.com>
6752 PR tree-optimization/23452
6753 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6754 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6755 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6756 complex values and with -ffast-math for FP complex values.
6758 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6760 * c-common.h: Remove the prototype for yyparse.
6761 * rtl.h: Remove the prototype for init_loop.
6763 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6765 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6768 2006-05-30 Roger Sayle <roger@eyesopen.com>
6770 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6772 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6773 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6775 2006-05-30 Dirk Mueller <dmueller@suse.de>
6778 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6779 for CONSTANT_CLASS_P expresisons.
6781 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6784 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6786 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6788 PR tree-optimization/27779
6789 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6790 initial_condition instead of CHREC_LEFT.
6792 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6794 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6795 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6796 Make prototypes ISO C90.
6798 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6799 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6801 * see.c (see_analyze_one_def): Correct check.
6802 (see_get_extension_data): Check if extension is parallel.
6803 (see_get_extension_reg): Likewise.
6805 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6808 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6809 into register for (code == GTU).
6811 2006-05-29 Roger Sayle <roger@eyesopen.com>
6813 PR tree-optimization/24964
6814 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6815 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6816 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6817 abs(x)*abs(x) as x*x for scalar floating point modes.
6819 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6822 * lambda-code.c (perfect_nestify): Don't copy statements
6823 in the inner loop: move them to the inner loop header.
6825 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6828 * c-tree.texi: Document OpenMP directives and clauses.
6830 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6832 * varasm.c (globalize_decl): Fix indentation.
6834 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6837 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6838 pass_fre, pass_store_ccp, pass_copy_prop,
6839 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6840 pass_return_slot, pass_object_size, pass_lim,
6841 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6842 pass_loop_prefetch and pass_stdarg.
6844 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6846 * config/bfin/bfin.opt (mfdpic): New option.
6847 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6848 (EXTRA_MULTILIB_PARTS): Likewise.
6849 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6850 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6852 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6853 (CRT_CALL_STATIC_FUNCTION): New.
6854 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6856 (CRT_CALL_STATIC_FUNCTION): New.
6857 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6859 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6860 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6861 (initialize_trampoline): Changed to handle FD-PIC code generation.
6862 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6863 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6864 (override_options): Disallow -mid-shared-library -mfdpic combination.
6865 Can't do unaligned ops if FD-PIC.
6866 Turn off flag_pic if trying to generate non-id-shared-library
6867 non-fdpic code, since it's not supported.
6868 (bfin_assemble_integer): New function.
6869 (TARGET_ASM_INTEGER): Define.
6870 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6872 * config/bfin/crtn.s: Restore them.
6873 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6875 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6876 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6877 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6878 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6879 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6881 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6882 FDPIC_REGS and FDPIC_FPTR_REGS.
6883 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6884 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6885 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6886 (load_funcdescsi): New pattern.
6887 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6888 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6889 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6891 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6893 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6896 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6898 * tree-flow.h: Remove the prototype for add_type_alias.
6899 * tree-ssa-alias.c (add_type_alias): Remove.
6901 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6903 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6904 config/fr30/fr30.md, config/i386/i386-interix.h,
6905 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6906 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6907 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6908 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6909 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6910 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6911 Follow spelling conventions.
6912 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6913 Follow spelling conventions.
6915 2006-05-27 Richard Guenther <rguenther@suse.de>
6918 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6919 to produce a constant of value 1 of generic type.
6921 2006-05-27 Dirk Mueller <dmueller@suse.de>
6923 * cgraphunit.c (decide_is_function_needed): Fix wrong
6926 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6928 PR rtl-optimization/27661
6929 * reload.c (find_reloads): When reloading a VOIDmode constant
6930 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6931 use Pmode as mode of the reload register.
6933 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6935 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6936 is enabled at -O and above.
6938 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6941 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6944 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6947 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6948 for anonymous variables explicitly declared by front ends.
6950 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6952 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6953 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6954 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6955 ref-all pointers, run a finalization pass for them.
6956 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6957 (finalize_ref_all_pointers): New function.
6958 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6959 regular pointer type to a ref-all pointer type.
6960 (get_tmt_for): Return the special memory tag for ref-all pointers.
6962 2006-05-25 Richard Guenther <rguenther@suse.de>
6965 * fold-const.c (fold_binary): Do not look at the stripped
6966 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6968 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6970 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6971 for LT and GT if the computed range is effectively empty.
6973 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6976 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6977 mips_quad_format formats instead of ieee_single_format,
6978 ieee_double_format and ieee_quad_format formats, respectively.
6980 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6982 PR tree-optimization/27639
6983 PR tree-optimization/26719
6984 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6985 call to scev_probably_wraps_p.
6986 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6987 used_in_pointer_arithmetic_p, convert_step): Removed.
6988 (nowrap_type_p): New function.
6989 (scev_probably_wraps_p): Rewritten.
6990 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6991 chrec_convert if chrec_convert_aggressive might have been used.
6992 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6993 scev_direction): New functions.
6994 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6995 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6996 instead of convert_step.
6997 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6998 (convert_step): Declaration removed.
6999 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7001 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7003 * df-core.c: Added to header comments.
7004 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7005 df_ur_bb_info, df_urec_bb_info): Added comments.
7006 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7007 urec, ri problems): Fixed header comments.
7008 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7009 code from df_rd_transfer_function.
7011 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7013 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7014 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7015 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7017 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7019 * expr.c (undefined_operand_subword_p): New.
7020 (emit_move_multi_word): Do not generate move from undefined bits
7021 of a paradoxical subreg.
7023 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7025 PR rtl-optimization/27736
7026 * combine.c (replaced_rhs_value): New variable.
7027 (combine_instructions): Set it.
7028 (distribute_notes): When distributing a note in replaced_rhs_insn,
7029 check whether the value was used in replaced_rhs_value.
7031 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7034 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7035 add_referenced_var instead of add_referenced_tmp_var.
7036 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7037 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7039 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7040 tree_optimize_tail_calls_1): Use add_referenced_var.
7041 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7042 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7043 Use add_referenced_var.
7044 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7045 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7046 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7047 Use add_referenced_var.
7048 * tree-dfa.c (struct walk_state): Remove.
7049 (find_referenced_vars): Remove walk state and vars_found hash table.
7050 (make_rename_temp): Use add_referenced_var.
7051 (find_vars_r): Pass less parameters to add_referenced_var.
7052 (referenced_var_p): New. Is var in referenced_var hash table.
7053 (referenced_var_insert): Assert var isn't already in hash table.
7054 (add_referenced_var): Don't need walk_state parameter. Add var if it
7055 isn't already in the hash table.
7056 (add_referenced_tmp_var): Remove.
7057 (find_new_referenced_vars_1): Use add_referenced_var.
7058 * tree-ssa-pre.c (create_expression_by_pieces,
7059 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7060 Use add_referenced_var.
7061 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7062 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7063 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7065 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7066 vect_create_data_ref_ptr, vect_create_destination_var,
7067 vect_init_vector, vect_build_loop_niters,
7068 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7069 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7070 Use add_referenced_var.
7071 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7072 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7073 (add_referenced_var): Add prototype.
7074 * tree-ssa-structalias.c (get_constraint_for,
7075 intra_create_variable_infos): Use add_referenced_var.
7077 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7079 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7080 big-endian paradoxical subregs.
7081 * var-tracking.c (struct micro_operation_def): Document that,
7082 for modify micro operations, insn is the subsequent instruction.
7083 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7084 (var_reg_set, var_mem_set): ... new functions.
7085 (add_stores): Record subsequent insn.
7086 (compute_bb_dataflow): Use new functions for MO_USE.
7087 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7088 notes after the insn, and modify notes before the insn known
7089 to be the subsequent one.
7090 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7092 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7095 * config/i386/i386.c (ix86_expand_builtin): Use
7096 gen_sse3_monitor64 for TARGET_64BIT.
7098 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7100 PR rtl-optimization/26375
7101 PR rtl-optimization/26855
7102 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7104 (df_ru_bb_local_compute): Reversed statements and removed bogus
7105 comment explaining why they should be in wrong order.
7106 (df_ru_dump, df_rd_dump): Enhanced debug info.
7107 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7109 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7110 reaching uses and fixed space problem.
7112 2006-05-23 Jan Hubicka <jh@suse.cz>
7114 * cgraphunit.c (decide_is_function_needed): Also nested functions
7115 and functions declared inline can be optimized out at -O0.
7117 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7119 * doc/install.texi (Configuration): Remove reference to CrossGCC
7123 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7126 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7127 ix86_compare_emitted is non-NULL.
7129 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7132 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7135 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7137 PR rtl-optimization/25514
7138 * combine.c (replaced_rhs_insn): New variable.
7139 (combine_instructions): Set replaced_rhs_insn when trying to replace
7140 a SET_SRC with a REG_EQUAL note.
7141 (distribute_notes): Use replaced_rhs_insn when determining the live
7142 range of a REG_DEAD register.
7144 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7145 Anatoly Sokolov <aesok@post.ru>
7147 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7148 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7149 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7150 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7151 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7152 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7153 at90usb647, at90usb1286 and at90usb1287 devices.
7154 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7155 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7157 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7159 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7161 2006-05-22 Richard Guenther <rguenther@suse.de>
7164 2006-01-31 Richard Guenther <rguenther@suse.de>
7165 Paolo Bonzini <bonzini@gnu.org>
7167 * doc/install.texi (--disable-libgcc-math): Document.
7169 2006-05-22 Richard Guenther <rguenther@suse.de>
7172 2006-01-31 Richard Guenther <rguenther@suse.de>
7174 * doc/invoke.texi (-msselibm): Document.
7175 * target.h (expand_library_builtin): New target hook.
7176 * builtins.c (expand_builtin): Use expand_library_builtin.
7177 (default_expand_library_builtin): New function.
7178 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7179 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7180 (link_gcc_math_spec): Declare.
7181 (static_specs): Add link_gcc_math_spec.
7182 * expr.h (default_expand_library_builtin): Declare.
7183 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7184 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7185 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7186 * config/i386/i386.opt (msselibm): New target option.
7187 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7188 (ix86_init_sse_abi_builtins): New function.
7189 (ix86_expand_library_builtin): Likewise.
7190 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7191 (override_options): Handle error conditions wrt -msselibm.
7192 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7193 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7194 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7197 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7200 * c-common.c (self_promoting_args_p): Skip erroneous args.
7203 * c-decl.c (finish_struct): Skip erroneous fields.
7205 2006-05-22 Nick Clifton <nickc@redhat.com>
7207 * config/cris/cris.opt (march): Remove VarExists attribute.
7208 (max-stackframe=): Likewise.
7210 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7212 * doc/rtl.texi: Fix a typo.
7213 * see.c: Fix comment typos.
7215 * tree-ssa-structalias.h (alias_info): Remove num_references.
7217 2006-05-21 Mike Stump <mrs@apple.com>
7219 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7221 (darwin_pragma_options): Use BAD instead.
7222 (darwin_pragma_unused): Likewise.
7223 (darwin_pragma_ms_struct): Likewise.
7225 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7227 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7229 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7231 PR rtl-optimization/27671
7232 * simplify-rtx.c (simplify_relational_operation_1): Fix
7233 simplifications of (eq/ne (xor x y) y) and
7234 (eq/ne (xor x y) x).
7236 PR tree-optimization/26622.
7237 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7240 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7242 * tree-cfg.c: Prune whitespace.
7243 (debug_tree_cfg): Point to correct header containing the
7246 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7249 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7251 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7254 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7255 or sorry count is non zero.
7257 2006-05-20 Andreas Schwab <schwab@suse.de>
7259 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7261 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7262 Kenneth Zadeck <zadeck@naturalbridge.com>
7264 PR rtl-optimization/26855
7266 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7268 (df_scan_alloc): Added code to properly handle multiword hard
7269 registers and add all_blocks parameter.
7270 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7271 code to properly handle multiword hard registers.
7272 (df_rescan_blocks): Added code to remove deleted blocks from
7274 (df_ref_create_structure, df_ref_record): Added code to properly
7276 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7277 and set DF_REF_PARTIAL.
7278 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7279 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7280 (df_scan_add_problem): Added flags parameter.
7281 (df_ref_create_structure): Changed switching structure.
7282 (df_bb_refs_record): Fixed case where duplicate artificial refs
7283 were created. Changed location of flags.
7284 (df_record_entry_block_defs): Added code to make stack pointer
7285 live in entry block. Refined cases where frame pointer is needed.
7286 Changed location of flags.
7287 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7288 (df_set_state): Removed function.
7289 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7290 df_insn_create_insn_record, df_insn_refs_delete,
7291 df_ref_create_structure): Formatting changes.
7292 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7293 df_delete_basic_block): New function.
7294 (df_init): Changed location of flags.
7295 (df_add_problem): Added flags parameter and the way flags are
7297 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7298 debug_df_chain): Improved debugging output.
7299 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7300 (df_refs_chain_dump): Removed df parameter.
7301 (df_iterative_dataflow): Added consistency check.
7302 (df_prune_to_subcfg): Made public.
7303 (df_analyze_problem): Added blocks_to_init parameter and made
7305 (df_ref_record, df_bb_refs_record, df_mark_reg,
7306 df_record_exit_block_uses): Whitespace changes.
7307 (df_dump): Whitespace changes.
7308 * df.h: Some reordering to remove forward references.
7309 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7310 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7311 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7312 (dataflow.flags): New field.
7313 (df.flag): Deleted field.
7314 (df_alloc_function): Added additional bitmap parameter.
7315 (df_dependent_problem_function): New type.
7316 (df_problem.changeable_flags): New field.
7317 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7318 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7319 (df_mw_hardreg): New struct.
7320 (DF_INSN_UID_MWS): New macro.
7321 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7323 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7324 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7325 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7326 (df_set_state): Removed function.
7327 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7328 * df-problems.c (df_chain_dump): Removed df parameter.
7329 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7330 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7332 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7333 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7334 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7335 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7336 DF_REF_MUST_CLOBBER cases.
7337 (df_ru_bb_local_compute_process_def,
7338 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7339 df_lr_bb_local_compute, df_ur_bb_local_compute,
7340 df_chain_create_bb): Made subreg aware.
7341 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7342 df_lr_bb_local_compute, df_lr_bb_local_compute,
7343 df_chain_create_bb): Cleanup to use proper macros.
7344 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7345 code to fixup bitvectors.
7346 (df_ri_alloc): Cleared lifetime.
7347 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7348 df_create_unused_note): New function.
7349 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7350 REG_DEAD and REG_UNUSED notes as well as register information.
7351 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7352 df_chains_dump): Fixed crash if problem was never run.
7353 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7354 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7355 df_ri_add_problem): Processes flags in uniform manner.
7356 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7357 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7358 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7359 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7360 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7361 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7362 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7363 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7364 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7365 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7366 * see.c (see_initialize_data): Ditto.
7367 * final.c (rest_of_clean_state) Added regstack_completed.
7368 * rtl.h (regstack_completed): Ditto.
7369 * reg-stack.c (regstack_completed): Ditto.
7371 2006-05-19 Mike Stump <mrs@apple.com>
7373 * c-tree.h (default_conversion): Remove.
7374 * c-common.h (default_conversion): Add.
7376 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7378 * tree-vrp.c (valid_value_p): New function.
7379 (adjust_range_with_scev): Fail if the value of bound is not
7382 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7384 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7385 (mips_fallback_frame_state): Use syscall numbers to determine
7386 the appropriate li instruction for the current ABI. Only use
7387 __NR_sigreturn for o32.
7389 2006-05-19 Nicolas Setton <setton@adacore.com>
7391 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7392 * langhooks.c (lhd_dwarf_name): New function.
7393 * langhooks-def.h (lhd_dwarf_name): Declare.
7394 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7395 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7396 * ada/misc.c (gnat_dwarf_name): New function.
7397 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7399 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7401 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7403 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7404 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7405 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7406 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7407 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7408 determine the size of Wtype, etc.
7409 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7410 (swfloatfuncs): New variable.
7411 (dwfloatfuncs): Likewise.
7412 (lib2funcs): Remove floating-point conversion functions from
7413 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7414 the set of conversion routines needed. Allow entries to specify
7415 an object name, filename and word size. Update users accordingly.
7416 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7417 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7421 2006-02-08 Roger Sayle <roger@eyesopen.com>
7424 * config/fixtfdi.c: New libgcc source file.
7425 * config/fixunstfdi.c: New source file.
7426 * config/floatditf.c: New source file.
7427 * config/floatunditf.c: New souce file.
7428 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7429 files above instead of config/mips/_tilib.c.
7430 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7432 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7434 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7435 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7437 2006-05-18 Mike Stump <mrs@apple.com>
7439 Fix up vla, vm and [*] sematics.
7445 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7446 (c_vla_unspec_p): Add.
7447 (c_vla_type_p): Add.
7448 * c-decl.c (struct c_scope): Add had_vla_unspec.
7449 (build_array_declarator): Add support for [*].
7450 (grokdeclarator): Likewise.
7451 (grokparms): Likewise.
7452 (get_parm_info): Likewise.
7453 * c-objc-common.c (c_vla_unspec_p): Likewise.
7454 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7455 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7456 typeof when argument is a variably modified type not inside sizeof or alignof.
7457 (c_parser_direct_declarator_inner): Propagate errors.
7458 (c_parser_sizeof_expression): Add support for [*].
7459 (c_parser_parms_declarator): Initialize had_vla_unspec.
7460 (c_parser_parms_list_declarator): Likewise.
7461 * c-typeck.c (c_vla_type_p): Add.
7462 (composite_type): Add support for vla compositing.
7463 (comptypes_internal): Add support for vla compatibility.
7464 (c_expr_sizeof_expr): Evaluate vla arguments.
7465 * tree.c (variably_modified_type_p): Update comment for [*].
7467 2006-05-18 Michael Matz <matz@suse.de>
7470 * config.host: Make assignments to host_xmake_file cumulative.
7471 * config.host (*-darwin*): Test $host, not $target.
7473 2006-05-12 Stuart Hastings <stuart@apple.com>
7475 * config/i386/i386.opt (-mstackrealign): New flag.
7476 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7477 (ix86_handle_cconv_attribute): Emit error when
7478 force_align_arg_pointer attribute collides with too many regparms.
7479 (ix86_function_regparm): Limit regparms when used with
7480 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7481 Support stack-realigning prologue in non-main functions. Emit
7482 warning for nested functions under -mstackrealign, emit error for
7483 nested functions with force_align_arg_pointer attribute.
7484 * doc/extend.texi (force_align_arg_pointer): Document it.
7485 * doc/invoke.texi (-mstackrealign): Document it.
7487 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7489 PR rtl-optimization/27477
7490 * combine.c (try_combine): Don't split a parallel consisting
7491 of two sets into two individual sets if both sets reference
7494 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7496 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7497 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7499 * doc/options.texi (VarExists): Updated.
7501 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7503 * unwind-dw2.c: Add declarations for uw_update_context and
7505 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7506 detected, advance frame state and context once to skip over stub.
7508 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7512 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7513 Call rewrite_into_loop_closed_ssa only when something changed.
7514 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7515 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7516 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7517 Test for perfect_nest_p here. Fix formating.
7518 (replace_uses_equiv_to_x_with_y): Fix formating.
7519 (stmt_uses_op): Removed.
7520 (can_convert_to_perfect_nest): Removed loopivs parameter.
7521 Complete the test by checking the scalar dependences.
7522 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7525 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7528 From Dan Kegel <dank@kegel.com>:
7529 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7531 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7533 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7534 if the element type is variably modified without recursing.
7536 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7539 * tree-loop-linear.c (try_interchange_loops): Test for
7540 no data dependences.
7542 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7544 PR tree-optimization/27548
7545 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7546 range of ssa names that appear on abnormal edges.
7547 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7548 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7550 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7553 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7555 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7558 * tree.h (OMP_PARALLEL_COMBINED): Define.
7559 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7560 (new_omp_context): Add is_combined_parallel argument.
7561 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7562 new_omp_context caller.
7563 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7564 Adjust gimplify_scan_omp_clauses callers.
7565 (omp_is_private): Issue errors if iteration variable is firstprivate
7566 or reduction in the current context.
7567 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7568 on combined parallel workshare constructs.
7570 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7572 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7573 (gcc-options.o): New rule.
7575 * optc-gen.awk: Protect variables for gcc-options.o with
7576 #ifdef GCC_DRIVER/#endif.
7578 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7580 Fix PR tree-optimization/27373
7581 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7582 (forward_propagate_addr_expr): Update call.
7584 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7586 * doc/options.texi: Move the Negative option.
7588 2006-05-16 Richard Guenther <rguenther@suse.de>
7590 PR tree-optimization/22303
7591 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7593 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7594 ccp_fold did not simplify the statement.
7596 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7599 * Makefile.in (GCC_OBJS): New.
7600 (OBJS-common): Add opts-common.o.
7601 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7602 (cpp$(exeext)): Likewise.
7603 (gcc.o): Also depend on opts.h.
7604 (opts-common.o): New.
7606 * common.opt (gcoff): Add Negative(gdwarf-2).
7607 (gdwarf-2): Add Negative(gstabs).
7608 (gstabs): Add Negative(gstabs+).
7609 (gstabs+): Add Negative(gvms).
7610 (gvms): Add Negative(gxcoff).
7611 (gxcoff): Add Negative(gxcoff+).
7612 (gxcoff+): Add Negative(gcoff).
7613 * config/i386/i386.opt (m32): Add Negative(m64).
7614 (m64): Add Negative(m32).
7616 * doc/options.texi: Document the Negative option.
7618 * gcc.c: Include "opts.h".
7619 (main): Call prune_options after expandargv.
7621 * optc-gen.awk: Generate common declarations for all flag
7622 variables in options.c. Output the neg_index field.
7624 * opts.c (find_opt): Moved to ...
7625 * opts-common.c: Here. New file.
7627 * opts.h (cl_option): Add a neg_index field.
7629 (prune_options): Likewise.
7631 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7634 * omp-low.c (expand_omp_parallel): Don't assert
7635 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7636 instead search for it.
7639 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7642 2006-05-16 Andreas Schwab <schwab@suse.de>
7644 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7647 2006-05-15 Roger Sayle <roger@eyesopen.com>
7650 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7651 integer constants other than zero are only legitimate on TARGET_64BIT.
7652 <CONST_VECTOR> Only zero vectors are legitimate.
7653 (ix86_cannot_force_const_mem): Integral and vector constants can
7654 always be put in the constant pool.
7656 2006-05-16 DJ Delorie <dj@redhat.com>
7658 * crtstuff.c (__dso_handle): Set section from
7659 TARGET_LBIGCC_SDATA_SECTION if defined.
7660 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7661 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7663 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7666 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7669 2006-05-16 Ben Elliston <bje@au.ibm.com>
7671 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7673 2006-05-15 Per Bothner <per@bothner.com>
7675 * tree.c: (last_annotated_node): Use source_locus typedef.
7676 This permits bootstrapping with --enable-mapped-location.
7678 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7680 PR tree-optimization/26830
7681 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7682 (info_for_ssa_name, current_info_for_ssa_name_age,
7683 blocks_to_update): New variables.
7684 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7685 (clear_ssa_name_info, initialize_flags_in_bb,
7686 mark_block_for_update): New functions.
7687 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7688 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7689 prepare_def_site_for): Use mark_block_for_update.
7690 (mark_def_interesting): Assert that the processed block is marked in
7691 blocks_to_update. Do not take blocks argument.
7692 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7694 (rewrite_update_init_block, rewrite_update_stmt): Only process
7695 blocks with statements to rewrite.
7696 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7697 (update_ssa): Initialize and free blocks_to_update. Do not
7698 clear flags on statements. Do not use blocks bitmap.
7699 * tree.h (SSA_NAME_AUX): Removed.
7700 (struct tree_ssa_name): Removed aux field.
7701 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7703 2006-05-15 Richard Guenther <rguenther@suse.de>
7705 PR tree-optimization/27603
7706 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7707 Do computations in original type.
7709 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7711 * see.c: Code style changes such as redundant paranthesis,
7712 redundant intialization of local variables etc.
7713 (see_main): Declared now as static.
7714 * doc/invoke.texi: Update that -fsee is not enabled by
7717 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7719 * omp-low.c (check_omp_nesting_restrictions): New function.
7720 (scan_omp_1): Call it.
7723 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7724 construct, return *VAR.
7726 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7728 PR rtl-optimization/27406
7729 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7732 2006-05-14 Roger Sayle <roger@eyesopen.com>
7734 PR rtl-optimization/27538
7735 * combine.c (expand_compound_operation): Call gen_lowpart
7736 before calling simplify_shift_const.
7738 2006-05-14 Roger Sayle <roger@eyesopen.com>
7740 PR rtl-optimization/22563
7741 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7742 a fixed width bitfield, always force the intermediates into psuedos.
7744 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7747 * mkconfig.sh: Use operator = instead of == for test.
7749 2006-05-13 Nick Clifton <nickc@redhat.com>
7751 * dwarf2out.c (dbx_reg_number): Check return value from
7752 LEAF_REG_REMAP and only use it if it is valid.
7753 (multiple_reg_loc_descriptor): Likewise.
7755 2006-05-13 Richard Guenther <rguenther@suse.de>
7757 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7760 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7762 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7763 information attached to non-INSNs such as NOTEs.
7764 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7766 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7768 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7770 * config/s390/s390.md: Adjust comment describing On constraint.
7772 2006-05-11 Jan Hubicka <jh@suse.cz>
7774 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7775 to be output at -O0.
7777 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7780 * fold-const.c (size_binop): Move sanity check for arguments to
7781 the beginning of the function.
7784 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7787 2006-05-11 Richard Guenther <rguenther@suse.de>
7790 * fold-const.c (fold_unary): Handle intermediate conversion
7791 to a pointer type like intermediate conversion to an integer
7792 type in folding of (T1)(T2)var to var.
7793 Match the code to the comment in the final conversion for
7794 (T1)(T2)var to (T1)var regarding to type precision. Rather
7795 than disallow T1 being of pointer type, assert that both T1
7796 and var are of pointer type or not. Make sure not to fall
7797 over the frontends lazyness wrt array to pointer decay though.
7799 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7801 * arm.c (arm_struct_value_rtx): Delete.
7802 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7803 (arm_init_cumulative_args): Always initialize nregs to zero.
7805 2006-05-10 Richard Guenther <rguenther@suse.de>
7807 PR tree-optimization/27532
7808 * tree-object-size.c (plus_expr_object_size): Fix typo.
7810 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7813 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7814 ashrdi_const, ashrdi3): Use a scratch register.
7816 2006-05-10 Richard Guenther <rguenther@suse.de>
7818 PR tree-optimization/27302
7819 * fold-const.c (operand_equal_p): For two comparisons,
7820 try comparison of one comparison code swapped if that yields
7823 2006-05-10 Ben Elliston <bje@au.ibm.com>
7825 * tree-pretty-print.c (pretty_print_string): No need to handle
7826 '\0' as a special character.
7828 * tree.h: Include "hashtab.h".
7829 (iterative_hash_expr): Use hashval_t in its prototype.
7830 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7832 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7835 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7836 (hppa*64*-*-hpux11*): Ditto.
7837 (hppa[12]*-*-hpux11*): Ditto.
7839 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7842 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7844 2006-05-09 Michael Matz <matz@suse.de>
7846 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7847 host_extra_gcc_objs and host_xmake_file.
7848 (<*-*-linux*>): Don't overwrite host_xmake_file.
7849 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7850 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7851 (host_detect_local_cpu): Declare.
7852 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7853 * config/i386/i386.c (override_options): Handle -mtune=native
7855 * config/i386/x-i386: New file.
7856 * config/i386/driver-i386.c: New file.
7857 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7860 2006-05-09 Dirk Mueller <dmueller@suse.de>
7861 Richard Guenther <rguenther@suse.de>
7864 * fold-const.c (fold_read_from_constant_string): Relax check
7865 for matching types to matching modes.
7867 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7869 PR rtl-optimization/27335
7870 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7873 2006-05-08 Chao-ying Fu <fu@mips.com>
7874 Richard Sandiford <richard@codesourcery.com>
7876 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7877 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7878 * config/mips/mips.md (UNSPEC_SCC): New constant.
7879 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7880 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7881 (mips_emit_compare): Use it.
7882 (mips_expand_vcondv2sf): New function.
7884 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7886 Fix PR tree-optimization/27093
7887 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7888 renaming when they become not-used_alone.
7890 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7892 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7893 relocation and relocation stubs.
7895 2006-05-08 Eric Christopher <echristo@apple.com>
7897 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7900 2006-05-08 Jan Hubicka <jh@suse.cz>
7903 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7904 unused static functions are needed.
7906 2006-05-08 Roger Sayle <roger@eyesopen.com>
7909 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7910 of a reg_equiv_constant if the result is a legitimate constant.
7912 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7915 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7916 standard 80387 constants, raise the cost to prevent
7917 compress_float_constant() to generate load from memory.
7919 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7921 * config/arm/constraints.md (c): Fix a typo.
7923 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7926 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7929 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7931 (_mm_mwait): Likewise.
7933 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7935 (sse3_monitor): Make it 32bit only.
7936 (sse3_monitor64): New. 64bit monitor.
7938 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7941 * config/i386/i386.c (classify_argument): Skip fields with invalid
7944 2006-05-07 Richard Guenther <rguenther@suse.de>
7946 PR tree-optimization/27409
7947 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7948 Do not try to find zero-sized subvars.
7950 2006-05-07 Richard Guenther <rguenther@suse.de>
7952 PR tree-optimization/27136
7953 * tree-ssa-loop-niter.c (get_val_for): Correct function
7954 comment, assert requirements.
7955 (loop_niter_by_eval): Stop processing if the iterated
7956 value did not simplify.
7958 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7960 * opts.c (flag_see): remove its setting at -O3.
7962 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7964 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7965 * arm/constraints.md: New file.
7966 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7967 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7968 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7969 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7970 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7971 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7972 * arm.md: Include constraints.md.
7973 (thumb_movsi_insn): Use satisfies_constraint_J.
7974 (movhi, movqi): Use satisfies_constraint_I.
7976 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7978 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7979 for atmeg a645 device.
7981 2006-05-06 Richard Guenther <rguenther@suse.de>
7983 PR tree-optimization/27151
7984 * tree-vect-transform.c (vectorizable_condition): Punt on
7985 values that have a different type than the condition.
7987 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7990 * c-parser.c (c_parser_cast_expression): Only insert casts into
7991 hash table if pointer.
7992 * function.c (used_types_insert_helper): Rename from
7994 (used_types_insert): Call used_types_insert_helper.
7995 * function.h (used_types_insert): Accept only one argument.
7997 2006-05-05 David Edelsohn <edesohn@gnu.org>
7999 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8000 scratch with output modifier.
8002 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8005 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8006 with output modifier.
8008 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8011 * config/mips/mips.c (mips_symbolic_address_p): Return true
8012 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8013 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8015 2006-05-04 Richard Guenther <rguenther@suse.de>
8017 PR tree-optimization/14287
8018 PR tree-optimization/14844
8019 PR tree-optimization/19792
8020 PR tree-optimization/21608
8021 PR tree-optimization/27090
8022 * tree-ssa-pre.c (try_combine_conversion): New function.
8023 (compute_avail): After constructing the value-handle
8024 expression, use try_combine_conversion to combine NOP_EXPRs
8025 with previous value-handle expressions and use the result if it
8028 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8030 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8032 2006-05-04 Jan Hubicka <jh@suse.cz>
8035 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8037 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8039 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8040 that this only matches CONST_INTs. All users changed to VOIDmode
8043 * config/bfin/bfin.c: Include "optabs.h".
8044 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8046 (enum bfin_builtins): Add a number of fractional and vector builtins.
8047 (bfin_init_builtins): Likewise.
8048 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8049 (safe_vector_operand, bfin_expand_binop_builtin,
8050 bfin_expand_unop_builtin): New functions.
8051 (bfin_expand_builtin): Handle the new builtins.
8052 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8055 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8058 * Makefile.in (OBJS-common): Add see.o.
8059 (see.o): Add dependencies.
8060 * common.opt (fsee): New flag for the see optimization was added.
8061 * opts.c (flag_see): Initialized.
8062 * passes.c (init_optimization_passes, pass_see): New pass.
8063 * rtl.h (see_main): Declaration as extern.
8064 * timevar.def (TV_SEE): New.
8065 * tree-pass.h (pass_see): Declaration as extern.
8066 * invoke.texi (-fsee): Document.
8067 * recog.c (validate_simplify_insn): New function.
8068 * recog.h (validate_simplify_insn): Declaration as extern.
8069 * df-problems.c (df_chain_dump): Check for NULL.
8071 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8072 Daniel Berlin <dberlin@dberlin.org>
8074 * cfgrtl.c (insert_insn_bb_end_new): New function.
8075 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8077 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8079 * df.h (struct web_entry): Moved from web.c.
8080 (union_defs): Declaration as extern.
8081 (unionfind_root): Likewise.
8082 (unionfind_union): Likewise.
8083 * web.c (struct web_entry): Moved to df.h.
8084 (unionfind_root): Remove static declaration.
8085 (unionfind_union): Likewise.
8086 (union_defs): Likewise and generalize to use callback function.
8087 (web_main): Update arguments for union_defs function call.
8089 2006-05-04 Richard Guenther <rguenther@suse.de>
8091 PR tree-optimization/26447
8092 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8093 produce SSA_NAME copies before the store stmt to avoid
8094 breaking exception handling.
8096 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8099 * gimplify.c (omp_is_private): If var is shared in some outer context,
8100 return false instead of true. Stop searching on parallel context
8103 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8106 * coverage.c: Use get_gcov_unsigned_t() instead of
8107 unsigned_type_node all over.
8109 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8111 PR tree-optimization/27381
8112 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8113 maintain the same immediate_use links.
8114 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8115 node rather than segfaulting.
8117 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8120 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8121 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8122 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8124 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8126 Fix PR tree-optimization/26626
8127 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8129 * tree-ssa-operands.c (access_can_touch_variable): Allow
8130 typecasting through union pointers.
8132 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8135 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8136 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8137 to find if var will be a global variable even in the nested context.
8138 (omp_copy_decl): Only check for global variable at the end, it might
8139 be overridden in outer contexts.
8140 (scan_sharing_clauses): For global variables don't create a field.
8141 (lower_rec_input_clauses): Do nothing for global shared variables.
8142 Emit a barrier at the end of ILIST if there were any decls in both
8143 firstprivate and lastprivate clauses.
8144 (lower_send_clauses): Do nothing for global variables except for
8147 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8149 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8150 of the correct signedness is returned.
8152 2006-05-02 Jeff Law <law@redhat.com>
8154 PR tree-optimization/27364
8155 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8156 multiply expressions.
8158 2006-05-02 Tom Tromey <tromey@redhat.com>
8160 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8162 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8165 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8166 -mthumb -fPIC are used.
8168 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8169 Joshua Kinard <kumba@gentoo.org>
8172 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8173 with 64-bit pointers.
8175 2006-05-02 Paul Brook <paul@codesourcery.com>
8177 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8179 (create_fix_barrier): Check that a suitable barrier location is
8181 (arm_reorg): Include ftmp->address in allowable range of addresses.
8183 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8186 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8189 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8192 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8193 around RESULT_DECL for result passed by reference.
8194 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8195 * omp-low.c (use_pointer_for_field): Don't look at
8196 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8197 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8198 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8199 time or var for passing by reference for
8200 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8201 TREE_ADDRESSABLE variables when passing by reference.
8203 * omp-low.c (dump_omp_region): Fix output formatting.
8206 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8207 (expand_omp_parallel): Likewise.
8208 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8211 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8212 on statement list containing also constructors and destructors.
8213 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8216 * except.c (duplicate_eh_regions): Fix clearing of
8217 cfun->eh->region_array entries.
8219 2006-05-01 DJ Delorie <dj@redhat.com>
8221 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8223 (gcc_cv_objdump): Likewise.
8224 * configure: Regenerated.
8226 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8229 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8230 templates for case 3 and 4.
8232 2006-05-01 DJ Delorie <dj@redhat.com>
8234 * vec.c: Include bconfig.h when appropriate.
8235 * Makefile.in (build/vec.o): Adjust dependencies.
8236 * mkconfig.sh: Make sure config.h isn't used for build machine
8239 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8241 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8243 (mark_phi_for_rewrite): New function.
8244 (insert_phi_nodes_for, mark_use_interesting): Call
8245 mark_phi_for_rewrite.
8246 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8247 (update_ssa): Initialize and free phis_to_rewrite.
8249 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8251 PR rtl-optimization/27291
8252 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8253 folded to a constant.
8255 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8257 PR tree-optimization/27283
8258 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8259 not whole # of iteration descriptions.
8260 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8261 uses abnormal ssa name.
8262 (niter_for_single_dom_exit): Ditto.
8263 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8264 return just the number of iterations.
8266 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8268 PR tree-optimization/27144
8269 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8270 (record_estimate): Only record constant upper bound.
8271 (infer_loop_bounds_from_undefined): Call
8272 compute_estimated_nb_iterations just once.
8273 (proved_non_wrapping_p): Renamed to ...
8274 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8275 (convert_step_widening, scev_probably_wraps_p): Call
8276 n_of_executions_at_most instead of proved_non_wrapping_p.
8277 (substitute_in_loop_info): Do not replace values in bounds.
8278 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8281 2006-05-01 Richard Henderson <rth@redhat.com>
8284 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8285 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8288 2006-05-01 Roger Sayle <roger@eyesopen.com>
8290 * c-typeck.c (parser_build_binary_op): Don't call the function
8291 unsigned_conversion_warning to spot operand/result type overflow.
8292 (build_binary_op): Instead, call convert_and_check instead of
8293 convert to report the problem when the operands are promoted.
8294 * c-common.c (unsigned_conversion_warning): Make static.
8295 * c-common.h (unsigned_conversion_warning): Delete prototype.
8297 2006-05-01 Richard Guenther <rguenther@suse.de>
8299 PR tree-optimization/26726
8300 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8302 (find_interesting_uses_address): ... we work around here
8303 by folding INDIRECT_REFs in the substituted base.
8305 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8307 * omp-low.c (dump_omp_region): Add newlines.
8309 2006-04-30 Roger Sayle <roger@eyesopen.com>
8311 * common.opt (Woverflow): New command line option.
8312 * c-common.c (constant_expression_warning): Check warn_overflow.
8313 (overflow_waring): Pass OPT_Woverflow to warning.
8314 (unsigned_conversion_warning): Likewise.
8315 (convert_and_check): Likewise.
8316 * doc/invoke.texi: Document new command line option.
8318 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8320 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8321 TARGET_NO_FP_IN_TOC for section anchors.
8322 (optimization_options): Enable section anchors for all
8323 non-"Objective" languages.
8325 2006-04-28 Eric Christopher <echristo@apple.com>
8327 * config/darwin-c.c (darwin_ms_struct): Move this
8328 (darwin_set_default_type_attributes): and this...
8329 * config/darwin.c: ... here.
8330 * config/darwin.h (darwin_ms_struct): Declare.
8332 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8334 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8336 2006-04-28 Roger Sayle <roger@eyesopen.com>
8339 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8340 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8341 an unsigned HOST_WIDE_INT.
8342 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8344 (really_start_incremental_init): No need to call convert because
8345 bitsize_zero_node is already of type bitsizetype.
8346 (push_init_level): Extract the value of constructor_index as an
8347 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8348 (process_init_element): Likewise.
8350 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8352 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8353 value before passing to make_relative_prefix.
8355 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8358 * builtins.c (expand_builtin_memset): Expand val in original mode.
8360 2006-04-27 Eric Christopher <echristo@apple.com>
8362 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8363 with #ifndef/#endif.
8364 * config/darwin-c.c (darwin_ms_struct): New.
8365 (darwin_pragma_ms_struct): Ditto.
8366 (darwin_set_default_type_attributes): Ditto.
8367 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8368 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8369 Register ms_struct pragma.
8370 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8371 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8372 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8373 darwin_set_default_type_attributes if TARGET_MACHO.
8375 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8377 PR tree-optimization/26854
8378 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8379 * doc/tree-ssa.texi: Update immuse iterator documentation.
8380 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8381 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8382 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8383 first_safe_imm_use, next_safe_imm_use): Remove.
8384 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8385 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8386 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8387 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8388 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8389 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8390 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8391 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8392 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8393 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8394 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8395 (perfect_nestify): Use new iterator.
8396 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8398 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8399 (next_imm_name): New field in struct immediate_use_iterator_d.
8400 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8401 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8402 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8403 * tree-cfg.c (replace_uses_by): Use new iterator.
8404 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8405 * tree-ssa-operands.c (correct_use_link): Remove.
8406 (finalize_ssa_use_ops): No longer call correct_use_link.
8408 2006-04-27 Stuart Hastings <stuart@apple.com>
8410 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8411 * config/t-darwin (crt3.o): Use it.
8412 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8413 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8414 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8415 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8416 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8419 2006-04-27 Roger Sayle <roger@eyesopen.com>
8421 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8422 size, force the intermediate into a new pseudo rather instead of
8423 performing both a bitwise AND and a bitwise IOR in memory.
8425 2006-04-27 Richard Guenther <rguenther@suse.de>
8427 PR rtl-optimization/26685
8428 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8429 this one "max-flow-memory-locations".
8431 2006-04-27 Richard Guenther <rguenther@suse.de>
8433 PR tree-optimization/25148
8434 * tree-vrp.c (compare_values): Remove code dealing with
8435 comparisons against type min/max value. Honour overflow
8436 and negative constants in code dealing with comparisons
8437 of plus and minus expressions.
8438 (value_inside_range): Use fold_binary with LE_EXPR and
8439 GE_EXPR rather than compare_values.
8441 2006-04-27 Dirk Mueller <dmueller@suse.de>
8443 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8446 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8448 * basic-block.h (safe_insert_insn_on_edge): Removed.
8449 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8451 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8452 Paolo Bonzini <bonzini@gnu.org>
8455 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8456 (simplify_and_const_int): Same.
8458 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8460 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8462 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8465 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8466 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8467 cgraph_global_info_ready.
8470 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8473 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8474 either decl or init is error_mark_node.
8477 * tree-flow.h (struct omp_region): Add sched_kind.
8478 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8479 instead of extracting omp for data.
8480 (expand_omp_for): Save extracted sched_kind.
8482 2006-04-25 Roger Sayle <roger@eyesopen.com>
8484 * expmed.c (store_bit_field): Also check whether the bitsize is
8485 valid for the machine's "insv" instruction before moving the
8486 target into a pseudo for use with the insv.
8487 * config/i386/predicates.md (const8_operand): New predicate.
8488 * config/i386/i386.md (extv, extzv, insv): Use the new
8489 const8_operand predicate where appropriate.
8491 2006-04-25 DJ Delorie <dj@redhat.com>
8493 * doc/install.texi (Specific): Clarify that this is not a list of
8494 supported hosts or targets.
8496 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8498 PR rtl-optimization/26725
8499 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8500 block's BB_DIRTY flag.
8502 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8504 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8507 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8508 to print an integer.
8510 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8512 * varasm.c (align_variable): New function.
8513 (get_block_for_decl): Apply align_variable to DECL before
8514 calculating section information.
8515 (assemble_variable): Split out alignment computation.
8517 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8519 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8522 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8524 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8525 MODE_PARTIAL_INT mode.
8526 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8527 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8529 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8530 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8532 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8534 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8536 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8537 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8538 MACFLAG_IH): Likewise.
8539 (movstricthi_1): Renamed from "*movstricthi".
8540 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8541 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8542 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8543 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8544 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8545 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8546 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8547 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8548 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8549 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8550 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8551 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8552 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8553 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8554 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8556 * doc/rtl.texi (ss_ashift): Improve wording.
8558 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8560 * dwarf2out.c (verify_marks_clear): New.
8561 (prune_unused_types): Call verify_marks_clear initially, not
8564 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8566 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8567 * doc/rtl.texi: Document them.
8568 * simplify-rtx.c (simplify_unary_operation,
8569 simplify_binary_operation_1): Don't abort when we see them.
8571 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8574 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8575 * configure.ac: Completely disregard languages that are not
8577 * configure: Regenerated.
8579 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8580 Richard Guenther <rguenther@suse.de>
8582 PR tree-optimization/27236
8583 * tree-inline.c (copy_body_r): Make sure to copy
8584 TREE_THIS_VOLATILE flag.
8586 2006-04-24 Richard Guenther <rguenther@suse.de>
8589 * tree-complex.c (update_parameter_components): Don't handle
8590 unused parameters which have no default def.
8592 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8593 Richard Guenther <rguenther@suse.de>
8595 PR tree-optimization/27218
8596 * tree-inline.c (expand_call_inline): Strip useless type
8597 conversions for the return slot address.
8599 2006-04-24 Richard Guenther <rguenther@suse.de>
8601 * cfgloop.h (struct loops): Remove unused field array. Reorder
8603 (LOOP_PREFETCH): Remove.
8605 2006-04-24 Richard Guenther <rguenther@suse.de>
8607 PR tree-optimization/22525
8608 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8609 variable, adjust types of generated expressions.
8611 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8613 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8614 (tree-vect-patterns.o): Likewise.
8616 (cselib.o): Likewise.
8617 (loop-doloop.o): Likewise.
8618 (regclass.o): Likewise.
8619 (reload1.o): Likewise.
8620 (explow.o): Replace target.h with $(TARGET_H).
8621 (ipa-prop.o): Likewise.
8622 (ipa-cp.o): Likewise.
8623 (ipa-inline.o): Likewise.
8624 (reorg.o): Likewise.
8625 (reg-stack.o): Likewise.
8627 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8629 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8631 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8633 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8635 * configure.ac: Completely disregard languages that are not
8637 * configure: Regenerated.
8640 * c-common.h (c_build_bitfield_integer_type): Declare.
8641 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8642 * c-common.c (c_build_bitfield_integer_type): ... here.
8644 2006-04-23 Roger Sayle <roger@eyesopen.com>
8647 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8648 a SImode SUBREG of a floating point register after no_new_pseudos.
8650 2006-04-23 Roger Sayle <roger@eyesopen.com>
8652 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8653 identify potentially eliminable registers to additionally catch
8654 VIRTUAL_INCOMING_ARGS_REGNUM.
8655 (addsi3): Update the conditions on when to use addsi_small_int.
8657 2006-04-23 Roger Sayle <roger@eyesopen.com>
8660 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8661 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8662 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8664 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8666 * fold-const.c (range_predecessor): Use operand_equal_p
8667 as the predicate for equality.
8668 (range_successor): Likewise.
8670 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8673 * config/soft-fp/op-common.h: Fix a typo.
8675 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8678 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8679 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8681 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8683 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8685 * doc/tm.texi: Fix a typo.
8687 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8689 * dwarf2out.c (struct die_struct): Document that die_sib makes
8690 a circular linked list.
8691 (FOR_EACH_CHILD): New.
8692 (reverse_die_lists): Delete.
8693 (reverse_all_dies): Delete.
8694 (add_dwarf_attr): Correct documentation.
8695 (remove_child_with_prev): New.
8696 (remove_child_TAG): Update for change to die_struct, use
8697 remove_child_with_prev.
8698 (add_child_die): Update for change to die_struct.
8699 (splice_child_die): Use remove_child_with_prev and add_child_die.
8700 (print_die): Use FOR_EACH_CHILD.
8701 (die_checksum): Likewise.
8702 (assign_symbol_names): Likewise.
8703 (output_location_lists): Likewise.
8704 (build_abbrev_table): Likewise.
8705 (calc_die_sizes): Likewise.
8706 (mark_dies): Likewise.
8707 (unmark_dies): Likewise.
8708 (unmark_all_dies): Likewise.
8709 (output_die): Likewise.
8710 (prune_unused_types_mark): Likewise.
8711 (prune_unused_types_walk): Likewise.
8712 (same_die_p): Update for change to die_struct.
8713 (break_out_includes): Likewise.
8714 (prune_unused_types_prune): Likewise.
8715 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8716 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8718 (dwarf2out_finish): Don't call reverse_all_dies.
8720 2006-04-21 Eric Christopher <echristo@apple.com>
8722 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8723 in comments and function names.
8725 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8728 * c-typeck.c (digest_init): Robustify.
8730 * c-typeck.c (pop_init_level): Simplify.
8732 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8734 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8736 2006-04-21 Paul Brook <paul@codesourcery.com>
8738 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8739 hardware floating point.
8741 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8743 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8746 2006-04-21 Nick Clifton <nickc@redhat.com>
8748 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8751 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8754 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8755 C++ lang type in traceback table for Objective-C++.
8757 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8759 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8761 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8763 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8766 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8767 were errors. Remove check for erroneous objects.
8769 2006-04-20 Jeff Law <law@redhat.com>
8771 PR tree-optimization/26854
8772 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8773 checking for zero or one use.
8774 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8775 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8776 * tree-ssa-reassoc.c (negate_value): Similarly.
8777 (reassociate_bb): Similarly.
8779 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8781 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8782 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8783 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8785 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8787 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8788 fp regs if the last fp arg doesn't fit in regs.
8790 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8793 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8794 that the last insn has the REG_INC note.
8796 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8797 Nathan Sidwell <nathan@codesourcery.com>
8800 * stor-layout.c (update_alignment_for_field): Do not align
8802 (place_union_field): Place union field at the start of the union.
8803 (place_field): Move ERROR_MARK check later, and use the current
8804 allocation position to maintain monotonicity.
8806 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8808 * dominance.c: Include timevar.h.
8809 (calculate_dominance_info): Use TV_DOMINANCE.
8810 * timevar.def (TV_DOMINANCE): New timevar.
8811 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8813 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8815 PR rtl-optimization/14261
8816 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8817 move would be an INSV insn.
8818 (noce_process_if_block): Don't optimize if the destination is a
8819 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8821 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8823 * config/s390/s390.md: Add comments with the instructions emitted
8824 by an insn pattern if macros are used.
8826 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8828 PR rtl-optimization/26026
8829 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8830 is a known power of two shifted left a variable amount.
8832 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8834 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8835 to hash table twice when the debug_str section has SECTION_MERGE.
8837 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8839 * config/soft-fp: New directory. From glibc.
8840 * config/soft-fp/t-softfp: New.
8841 * config/soft-fp/README: New.
8842 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8843 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8844 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8845 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8846 * config.gcc: Use rs6000/t-fprules-fpbit or
8847 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8849 * config/rs6000/sfp-machine.h: New. Based on glibc.
8850 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8852 * config/rs6000/t-fprules: Remove fp-bit rules.
8853 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8854 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8855 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8856 (softfp_wrap_start, softfp_wrap_end): New.
8858 2006-04-18 DJ Delorie <dj@redhat.com>
8860 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8862 2006-04-18 Devang Patel <dpatel@apple.com>
8864 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8866 2006-04-18 Nick Clifton <nickc@redhat.com>
8868 * config/sh/t-symbian: Add rule to build sh-c.o
8869 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8870 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8871 (sh_symbian_encode_section_info): Likewise.
8873 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8875 * builtins.c (expand_builtin_strcmp): Cover label definition of
8876 do_libcall with HAVE_cmpstrnsi.
8878 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8880 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8882 * function.h (temp_slot_p): New.
8883 (function): Change the type of x_used_temp_slots to
8884 VEC(temp_slot_p,gc) *.
8886 2006-04-18 Nick Clifton <nickc@redhat.com>
8888 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8889 flag_strength_reduce.
8891 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8893 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8897 Partial revert of revision 112637
8898 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8899 Dale Johannesen <dalej@apple.com>
8902 * regclass.c (struct reg_pref): Update documentation.
8903 (regclass): Set prefclass to NO_REGS if memory is the best option.
8904 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8906 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8908 PR tree-optimization/26821
8909 * tree-ssa-math-opts.c (get_constant_one): New.
8910 (insert_reciprocals): Use it.
8912 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8914 * dwarf2out.c (free_AT): Delete.
8915 (remove_AT): Update string ref counts.
8916 (remove_child_TAG): Don't call free_die.
8918 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8919 or DW_TAG_GNU_EINCL.
8920 (prune_unused_types_walk_attribs): Reset string refcounts.
8921 (prune_unused_types_update_strings): New.
8922 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8923 call free_die. Do call prune_unused_types_update_strings.
8924 (prune_unused_types): Empty debug_str_hash.
8926 2006-04-17 Roger Sayle <roger@eyesopen.com>
8928 * expr.c (expand_assignment): Optimize away no-op moves where the
8929 source and destination are equal and have no side-effects.
8931 2006-04-17 Richard Guenther <rguenther@suse.de>
8934 * reload.c (push_reload): Guard calls to get_secondary_mem
8937 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8939 * alias.c (reg_base_value, old_reg_base_value): Change the
8940 type to VEC(rtx,gc) *.
8941 (REG_BASE_VALUE, find_base_value, record_set,
8942 init_alias_analysis): Use VEC instead of VARRAY.
8944 * alias.c (alias_sets): Change the type to
8945 VEC(alias_set_entry,gc) *.
8946 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8947 VEC instead of VARRAY.
8948 (last_alias_set): Remove.
8950 * cgraph.h (cgraph_edge_p): New.
8951 Update the prototype of cgraph_function_versioning.
8952 * cgraphunit.c (cgraph_copy_node_for_versioning,
8953 cgraph_function_versioning): Use VEC instead of VARRAY.
8954 * ipa-cp.c (ipcp_insert_stage): Likewise.
8956 2006-04-16 Roger Sayle <roger@eyesopen.com>
8959 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8960 "A op B" or "A op C", we may need to convert A to the type of B and C.
8962 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8964 * target.h (struct gcc_target): Add mode_rep_extended.
8965 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8966 (init_num_sign_bit_copies_in_rep): Initialize it using
8968 (truncate_to_mode): Use it.
8969 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8970 * targhooks.h (default_mode_rep_extended): Declare it.
8971 * targhooks.c (default_mode_rep_extended): Define it.
8972 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8973 default_mode_rep_extended.
8974 (TARGET_INITIALIZER): Include it.
8975 * doc/tm.texi (Misc): Document it.
8976 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8977 (mips_truncated_to_mode): New function.
8979 2006-04-16 Roger Sayle <roger@eyesopen.com>
8982 * expr.c (compress_float_constant): Copy the narrow constant into
8983 a new pseudo before extending it to its final width.
8985 2006-04-16 Roger Sayle <roger@eyesopen.com>
8986 Andrew Pinski <pinskia@gcc.gnu.org>
8987 Dale Johannesen <dalej@apple.com>
8990 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8991 special case code to implement V8HImode and V16QImode with SSE2.
8993 2006-04-15 Roger Sayle <roger@eyesopen.com>
8995 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8996 trees are constructed with a suitable tree type.
8998 2006-04-15 Roger Sayle <roger@eyesopen.com>
9000 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9001 (integer_onep): Likewise.
9002 (integer_all_onesp): Likewise.
9003 (integer_pow2p): Likewise.
9004 (integer_nonzerop): Likewise.
9005 (real_zerop): Likewise.
9006 (real_onep): Likewise.
9007 (real_twop): Likewise.
9008 (real_minus_onep): Likewise.
9009 (int_size_in_bytes): Likewise.
9010 (host_integerp): Likewise.
9012 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9014 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9015 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9016 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9018 * tree-ssa-structalias.h (alias_info): Remove num_references.
9020 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9022 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9023 (output_bvb patterns): Likewise.
9024 * pa.c (output_bb): Use 'bb' insn for long branch case.
9025 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9026 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9027 1. Correct length operand for alternatives 1 and 2.
9028 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9029 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9031 2006-04-14 Roger Sayle <roger@eyesopen.com>
9033 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9034 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9035 were accidentally reverted by r112959.
9037 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9040 * except.h (eh_region_outermost): New prototype.
9041 * except.c (eh_region_outermost): New function.
9042 * tree-cfg.c (find_outermost_region_in_block): Use it.
9044 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9046 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9048 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9049 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9050 (init_reload, reload): Use VEC instead of VARRAY.
9051 * reload.h: Update the prototype for
9052 reg_equiv_memory_loc_varray.
9054 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9055 Eric Botcazou <ebotcazou@libertysurf.fr>
9057 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9060 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9063 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9064 to expand fallback builtin function call.
9066 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9069 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9070 and emit libcall here in case the builtin fails.
9071 (expand_builtin_strcmp): Always emit the libcall here on failure.
9073 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9075 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9076 * flow.c (reg_n_info): Change the type to
9077 VEC(reg_info_p,heap) *.
9078 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9080 * regs.h (reg_info_p): New.
9081 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9082 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9083 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9086 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9088 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9090 * params.h (MAX_SCHED_READY_INSNS): New macro.
9091 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9092 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9093 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9094 the ready list for 1 cycle during the first scheduling pass.
9095 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9097 2006-04-13 Richard Henderson <rth@redhat.com>
9100 * gimple-low.c (lower_omp_directive): Remove dead code.
9101 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9102 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9103 * omp-low.c (struct omp_region): Move to tree-flow.h.
9104 (root_omp_region): Export.
9105 (omp_regions, lookup_omp_region): Remove.
9106 (determine_parallel_type): Update for struct omp_region changes.
9107 (dump_omp_region): Dump regions with block numbers.
9108 (new_omp_region): Take type and block instead of stmt; malloc
9110 (free_omp_region_1, free_omp_regions): New.
9111 (expand_parallel_call): Take entry_stmt as argument; update for
9112 changes to omp_region.
9113 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9114 (remove_exit_barriers): New.
9115 (expand_omp_parallel): Update for struct omp_region changes.
9116 (expand_omp_synch): Likewise.
9117 (expand_omp): Likewise.
9118 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9119 (expand_omp_for_static_chunk): Likewise.
9120 (expand_omp_for): Likewise.
9121 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9122 (expand_omp_sections): Similarly, with GOMP_sections_end.
9123 (expand_omp_single): New.
9124 (build_omp_regions_1): Update for OMP_CONTINUE.
9125 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9126 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9127 OMP_SECTIONS_SECTIONS.
9128 (lower_omp_single_simple): Don't emit barrier here.
9129 (lower_omp_single_copy): Likewise.
9130 (lower_omp_single): Fix bindings, and lower to straightline now.
9131 (lower_omp_master, lower_omp_ordered): Likewise.
9132 (lower_omp_critical): Likewise.
9133 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9134 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9135 omp edges, free it afterward.
9136 (make_omp_sections_edges): Remove.
9137 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9138 (move_stmt_r): Handle OMP_CONTINUE.
9139 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9140 statement pointers to basic blocks. Add type member.
9141 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9142 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9143 * tree-inline.c (estimate_num_insns_1): Likewise.
9144 * tree-pretty-print.c (dump_generic_node): Likewise.
9145 * tree-ssa-operands.c (get_expr_operands): Likewise.
9146 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9147 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9148 (OMP_CONTINUE): New.
9149 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9150 (OMP_SECTIONS_SECTIONS): Remove.
9151 (OMP_SECTION_LAST): New.
9152 (OMP_RETURN_NOWAIT): New.
9154 2006-04-13 Roger Sayle <roger@eyesopen.com>
9156 * fold-const.c (native_encode_vector, native_interpret_real):
9157 Correct obvious mistakes in the previous check-in.
9159 2006-04-13 Roger Sayle <roger@eyesopen.com>
9161 * fold-const.c (native_encode_expr): New function to encode
9162 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9163 or VECTOR_CST into a specified buffer.
9164 (native_encode_int): New function.
9165 (native_encode_real): New function.
9166 (native_encode_complex): New function.
9167 (native_encode_vector): New function.
9168 (native_interpret_expr): Inverse of native_encode_expr to convert
9169 a target representation into an INTEGER_CST, REAL_CST etc...
9170 (native_interpret_int): New function.
9171 (native_interpret_real): New function.
9172 (native_interpret_complex): New function.
9173 (native_interpret_vector): New function.
9174 (fold_view_convert_expr): New function to constant fold/evaluate
9175 a VIEW_CONVERT_EXPR of a suitable constant expression.
9176 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9177 Change call of build1 to fold_build1 when constructing a
9180 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9181 Ulrich Weigand <uweigand@de.ibm.com>
9184 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9187 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9190 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9191 optimize to lo_sum for DFmode if !TARGET_FPRS.
9193 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9195 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9196 delete_alias_info, compute_flow_sensitive_aliasing,
9197 group_aliases): Use VEC instead of VARRAY.
9198 * tree-ssa-structalias.c (update_alias_info): Likewise.
9199 * tree-ssa-structalias.h (alias_info): Change the type of
9200 processed_ptrs to VEC(tree,heap) *.
9202 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9205 * config/sh/lib1funcs.h: New file, broken out of:
9206 * config/sh/lib1funcs.asm.
9207 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9209 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9210 * config/sh/lib1funcs-Os-4-200.asm: New file.
9211 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9212 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9213 (EXTRA_MULTILIB_PARTS): Include it.
9214 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9215 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9216 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9217 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9220 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9222 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9223 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9224 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9226 * tree-ssa-live.h: Include vecprim.h.
9227 (tree_partition_associator_d): Change the type of
9228 first_partition to VEC(int,heap) *.
9229 (tpa_first_partition): Use VEC instead of VARRAY.
9231 * Makefile.in (GTFILES): Move functions.h after tree.h.
9232 * function.c (reset_block_changes, record_block_change,
9233 check_block_change, free_block_changes): Use VEC instead of
9235 * function.h (function): Change the type of
9236 ib_boundaries_block to VEC(tree,gc) *.
9237 * tree-inline.c (copy_cfg_body): Initialize
9238 ib_boundaries_block to NULL instead of (varray_type) 0.
9240 2006-04-12 Roger Sayle <roger@eyesopen.com>
9242 * expr.c (emit_group_store): Correct operand order in call to
9243 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9244 a SUBREG_BYTE of zero.
9246 2006-04-12 Richard Guenther <rguenther@suse.de>
9248 * profile.c (compute_branch_probabilities): Remove code
9249 encapsulated in !ir_type (), which are remanents of the
9250 removed RTL profiling code.
9251 * rtl-profile.c: Remove.
9253 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9255 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9256 magic NULL_RTX comment.
9257 (function_arg): Store entire fp arg to mem if any part should go
9259 (rs6000_arg_partial_bytes): Adjust for above change.
9261 2006-04-11 Roger Sayle <roger@eyesopen.com>
9263 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9264 if it hasn't been initialized by dwarf2out_init.
9266 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9268 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9269 symbolic constants in branch patterns.
9271 2006-04-11 Roger Sayle <roger@eyesopen.com>
9273 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9275 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9277 PR rtl-optimization/27073
9278 * gcse.c (try_replace_reg): Revert last change. Continue to search
9279 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9282 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9284 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9285 aggregate types other than record and union types.
9286 (function_arg): Likewise.
9287 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9289 (function_value): In 64-bit mode, return objects that require it
9292 2006-04-11 Roger Sayle <roger@eyesopen.com>
9294 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9296 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9298 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9300 2006-04-03 Jeff Law <law@redhat.com>
9303 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9304 alias information too.
9306 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9308 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9310 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9313 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9314 (premark_used_types_helper): New.
9315 (premark_used_types): New.
9316 (gen_subprogram_die): Call premark_used_types.
9317 (prune_unused_types_walk): Do not prune perennial dies.
9318 * function.c (used_types_insert): New.
9319 * function.h (struct function): Add used_types_hash field.
9320 (used_types_insert): Add prototype.
9321 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9322 * c-parser.c (c_parser_cast_expression): Save casted types in used
9325 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9328 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9329 rs6000_explicit_options.float_gprs.
9331 2006-04-10 Roger Sayle <roger@eyesopen.com>
9333 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9334 from ix86_expand_vector_init_low_nonzero. Take an additional
9335 one_var argument indicating which element is non-zero. Support
9336 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9337 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9338 with one_var instead of ix86_expand_vector_init_low_nonzero.
9340 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9342 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9343 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9344 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9345 build/genextract.o): Depend on vecprim.h.
9346 * cfglayout.c, df-problems.c, function.c, genextract.c,
9347 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9348 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9352 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9354 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9355 Declare VECs of this type.
9356 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9357 (remove_children): Delete.
9358 (add_dwarf_attr): Use VEC routines.
9359 (add_AT_flag): Update for changes to add_dwarf_attr.
9360 (add_AT_int): Likewise.
9361 (add_AT_unsigned): Likewise.
9362 (add_AT_long_long): Likewise.
9363 (add_AT_vec): Likewise.
9364 (add_AT_string): Likewise.
9365 (add_AT_die_ref): Likewise.
9366 (add_AT_fde_ref): Likewise.
9367 (add_AT_loc): Likewise.
9368 (add_AT_loc_list): Likewise.
9369 (add_AT_addr): Likewise.
9370 (add_AT_lbl_id): Likewise.
9371 (add_AT_lineptr): Likewise.
9372 (add_AT_macptr): Likewise.
9373 (add_AT_offset): Likewise.
9374 (add_AT_range_list): Likewise.
9375 (get_AT): Use VEC_iterate.
9376 (remove_AT): Use VEC_ordered_remove.
9377 (free_die): Fold remove_children into here; have it use VEC_iterate.
9378 (print_die): Use VEC_iterate on attrs.
9379 (reverse_die_lists): Don't reverse attr lists.
9380 (die_checksum): Use VEC_iterate on attrs.
9381 (same_die_p): Likewise.
9382 (output_location_lists): Likewise.
9383 (build_abbrev_table): Likewise.
9384 (size_of_die): Likewise.
9385 (unmark_all_dies): Likewise.
9386 (output_abbrev_section): Likewise.
9387 (output_die): Likewise.
9388 (prune_unused_types_walk_attribs): Likewise.
9390 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9392 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9394 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9397 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9399 2006-04-09 Roger Sayle <roger@eyesopen.com>
9401 * expr.c (store_constructor): Don't bother clearing target if
9402 we're about to assign a vector to it using vec_init_optab.
9404 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9406 * tree-ssa-alias.c (lhs_may_store_to): New function.
9407 (recalculate_used_alone): Handle LHS of calls.
9409 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9413 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9414 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9415 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9416 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9417 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9418 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9419 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9420 stubs. Add ".align 8" directives before all ".dword" directives.
9421 (GTHREAD_USE_WEAK): Revise comment.
9422 (TARGET_ATTRIBUTE_WEAK): Define.
9423 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9424 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9425 * stublib.c: New file.
9430 * pa.md (cbranch patterns): Revise arguments used in calls to
9431 output_cbranch, output_bb and output_bvd. Add long branch length
9433 (fbranch patterns): Handle long branches.
9434 (jump): Revise length check. Revise arguments for output_lbranch call.
9435 Add long branch length attributes.
9436 (decrement_and_branch_until_zero): Add long branch length attributes.
9437 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9438 Likewise. Revise arguments for output_parallel_addb and
9439 output_parallel_movb calls.
9440 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9441 output_parallel_movb and output_parallel_addb): Update prototypes.
9442 * pa.c (output_cbranch): Revise arguments. Correct handling of
9443 nullification in long branches.
9444 (output_lbranch): Add new argument to control extraction of delay
9446 (output_bb): Handle long branches.
9447 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9448 output_parallel_addb): Likewise.
9450 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9452 PR rtl-optimization/27073
9453 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9456 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9458 * tree.h (tree_memory_tag): Add old_used_alone.
9459 (SMT_OLD_USED_ALONE): New macro.
9460 * tree-ssa-alias.c (recalculate_used_alone): Stop
9461 marking things for renaming unnecessarily.
9463 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9465 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9466 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9467 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9468 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9469 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9470 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9471 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9472 spelling convensions.
9473 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9474 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9475 typos. Follow spelling conventions.
9477 2006-04-07 DJ Delorie <dj@redhat.com>
9479 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9480 passed on the stack.
9481 (m32c_init_cumulative_args): When a function returns a structure,
9482 always pass the pointer to that return area on the stack.
9483 (m32c_function_arg_advance): Don't increment the parameter number
9484 if we're processing the returned structure pointer.
9485 (pushm_info): Reverse order of registers.
9487 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9489 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9490 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9491 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9492 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9494 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9495 chrec_fold_multiply): Same.
9496 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9497 force_expr_to_var_cost): Same.
9498 * tree-mudflap.c (mf_xform_derefs_1): Same.
9499 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9501 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9503 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9504 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9507 2006-04-07 Jan Hubicka <jh@suse.cz>
9509 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9511 2006-04-07 Richard Guenther <rguenther@suse.de>
9513 PR tree-optimization/26135
9514 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9515 loads for store copy-prop.
9516 (copy_prop_visit_stmt): Likewise.
9518 2006-04-05 Robert Millan <robertmh@gnu.org>
9520 * config/i386/linux.h: Add a comment to mark macros that are
9521 being overriden in config/k*bsd-gnu.h.
9522 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9524 * config/knetbsd-gnu.h: Ditto.
9526 2006-04-06 Jan Hubicka <jh@suse.cz>
9530 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9533 2006-04-06 Mike Stump <mrs@apple.com>
9535 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9536 for HAVE_nonlocal_goto to be consistent.
9537 (expand_builtin_nonlocal_goto): Likewise.
9538 (expand_builtin_strcmp): Use #ifdef instead of #if
9539 for HAVE_cmpstrnsi to be consistent.
9541 2006-04-05 DJ Delorie <dj@redhat.com>
9543 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9546 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9548 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9549 got-relative addressing for anything but SImode.
9551 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9552 even if the calling function doesn't modify them.
9554 2006-04-05 Richard Guenther <rguenther@suse.de>
9556 PR tree-optimization/26919
9557 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9558 to cgraph_estimate_size_after_inlining.
9560 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9562 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9564 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9566 PR tree-optimization/26996
9567 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9568 VECTOR_TYPE variables.
9570 2006-04-05 Richard Guenther <rguenther@suse.de>
9572 PR tree-optimization/26763
9573 * fold-const.c (fold_comparison): Move folding of
9574 PTR + CST CMP PTR + CST ...
9575 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9577 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9579 * doc/install.texi (Prerequisites): Refine some wording on
9580 bootstrapping and ksh.
9581 Move the version numbers of DejaGnu here from the testing section
9582 and fix casing of names.
9583 Fix markup and clarify wording for autogen requirements.
9584 Refer to GCJ instead of just java.
9585 Refer to SVN instead of CVS.
9586 Describe diffutils as useful instead of necessary.
9587 (Downloading the source): Refer to SVN instead of CVS.
9588 Adjust a link to our web site accordingly.
9589 (Configuration): Fix casing of Bison.
9590 (Building): Refer to SVN instead of CVS.
9591 Fix a sentence on the use of Bison and remove duplicate (and
9592 incorrect) version number of Bison requirement.
9593 Remove one redundant list of packages needed for building.
9594 (Specific): Avoid reference to CVS.
9596 2006-04-04 Eric Christopher <echristo@apple.com>
9598 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9599 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9600 (rs6000_handle_struct_attribute): New.
9601 (rs6000_ms_bitfield_layout_p): Ditto.
9603 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9605 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9606 NULL for dso parameter to atexit_common.
9608 2006-04-04 Eric Christopher <echristo@apple.com>
9610 * config/i386/i386.c (machopic_output_stub): Output \t
9611 between instructions and operands.
9613 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9615 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9616 satisfies_constraint_[IL] to explicit tests on value.
9618 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9620 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9621 set_nb_iterations_in_loop): Use build_int_cst instead of
9623 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9624 build_int_cst instead of convert.
9626 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9628 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9629 new value 2 for incoming.
9630 * function.c (expand_function_start): Call struct_value_rtx
9632 * config/sparc/sparc.md: Comment updated_return.
9633 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9634 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9635 struct return if sparc_std_struct_return and incoming is 2.
9636 (print_operand): Do not adjust return if
9637 sparc_std_struct_return.
9639 2006-04-04 Roger Sayle <roger@eyesopen.com>
9641 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9642 convert in the middle-end.
9643 * expr.c (store_expr, store_constructor, get_inner_reference,
9644 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9646 * tree.c (build_range_type): Likewise.
9648 2006-04-04 Tom Tromey <tromey@redhat.com>
9650 * doc/install.texi (Prerequisites): Mention jar.
9652 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9654 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9657 2006-04-04 Matthias Klose <doko@debian.org>
9659 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9663 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9666 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9668 * doc/extend.texi (Function Attributes): Rewrite visibility
9669 attribute documentation.
9670 * doc/invoke.texi (C++ Dialect Options): Rewrite
9671 -fvisibility-inlines-hidden documentation to describe something
9672 entirely different, although in practise compatible.
9673 (Code Gen Options): Warn about system headers in -fvisibility=
9676 * doc/extend.texi (Other Builtins): Document that
9677 __builtin_nan is a compile-time constant only when its argument
9680 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9682 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9683 trying to remove TRUNCATE check if all bits outside the new mode
9684 are identical to the sign bit.
9686 2006-04-03 Jeff Law <law@redhat.com>
9688 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9689 and operand scanning in some common cases.
9691 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9692 Dale Johannesen <dalej@apple.com>
9695 * regclass.c (struct reg_pref): Update documentation.
9696 (regclass): Set prefclass to NO_REGS if memory is the best option.
9697 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9698 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9699 into account. For non-registers, equate an empty preferred
9700 reload class to a `!' in the constraint; move the if clause to
9701 do so after those that reject the insn.
9702 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9704 (find_dummy_reload): Likewise.
9705 * doc/tm.texi (Register Classes): Document what it means
9706 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9707 * config/i386/i386.c (ix86_preferred_reload_class): Force
9708 using SSE registers (and return NO_REGS for floating-point
9709 constants) if math is done with SSE.
9710 (ix86_preferred_output_reload_class): New.
9711 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9712 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9713 * config/i386/i386.md: Remove # register preferences.
9715 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9718 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9719 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9720 the type of nb_iter.
9721 (instantiate_parameters_1): Convert the operands before calling
9722 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9723 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9725 2006-04-02 Roger Sayle <roger@eyesopen.com>
9727 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9728 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9730 * dojump.c (do_jump): Likewise.
9731 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9732 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9733 gimplify_boolean_expr): Likewise.
9734 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9735 * varasm.c (array_size_for_constructor): Likewise.
9736 * tree-object-size.c (compute_object_offset): Likewise.
9738 2006-04-02 Roger Sayle <roger@eyesopen.com>
9741 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9742 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9744 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9746 PR tree-optimization/26939
9747 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9749 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9751 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9752 at_stmt. Convert the type of operands before calling
9753 build_polynomial_chrec.
9754 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9756 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9757 (instantiate_parameters_1): Convert the type of operands before calling
9758 build_polynomial_chrec.
9759 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9760 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9761 reset_evolution_in_loop): Insert asserts to check the types of the
9763 (chrec_type): Moved...
9764 (eq_evolutions_p): Use operand_equal_p.
9765 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9766 the types of the operands.
9767 (chrec_type): ...here.
9768 * tree-data-ref.c (create_data_ref): Convert the operands before
9769 calling chrec_replace_initial_condition.
9770 (same_access_functions, analyze_subscript_affine_affine,
9771 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9772 (compute_subscript_distance, analyze_ziv_subscript,
9773 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9774 analyze_miv_subscript): Convert the operands before calling
9775 chrec_fold_minus or chrec_fold_plus.
9777 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9779 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9780 the dependence_relations vector.
9781 (compute_data_dependences_for_loop): Adjust call to
9782 compute_all_dependences.
9784 2006-04-01 Roger Sayle <roger@eyesopen.com>
9785 Richard Henderson <rth@redhat.com>
9787 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9788 gimple_boolify on the condition before calling gimplify_expr.
9790 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9792 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9793 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9794 the frame size. Update to use the new macros.
9795 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9796 * config/xtensa/ieee754-df.S: Likewise.
9798 2006-03-31 Richard Henderson <rth@redhat.com>
9800 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9801 (make_edges): ... here. Control fallthru creation with a local
9802 variable. Do not play with fake edges.
9803 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9804 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9807 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9809 * dwarf2.h (DW64_CIE_ID): Define.
9810 * dwarf2out.c (DWARF_CIE_ID): Define.
9811 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9812 length header. Use DWARF_CIE_ID.
9813 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9814 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9816 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9818 * config/sh/linux-atomic.asm: New file.
9819 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9821 2006-03-31 DJ Delorie <dj@redhat.com>
9823 * config/m32c/cond.md: Set condition flags properly throughout.
9824 * config/m32c/minmax.md: Likewise.
9825 * config/m32c/prologue.md: Likewise.
9826 * config/m32c/bitops.md: Likewise.
9827 * config/m32c/muldiv.md: Likewise.
9828 * config/m32c/mov.md: Likewise.
9829 * config/m32c/addsub.md: Likewise.
9830 * config/m32c/m32c.md: Likewise.
9831 * config/m32c/jump.md: Likewise.
9832 * config/m32c/shift.md: Likewise.
9834 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9835 conditionally output the pattern for this.
9836 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9837 (m32c_compare_redundant): New.
9838 (m32c_output_compare): New.
9839 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9841 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9842 dest, not src. Allow other 4-byte modes.
9844 2006-03-30 Denis Chertykov <denisc@overta.ru>
9846 * doc/md.texi: Refer to avr/constraints.md instead of
9849 2006-03-30 Roger Sayle <roger@eyesopen.com>
9851 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9852 signed vs. unsigned comparison failures on some hosts.
9854 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9857 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9858 change to FLOAT_REGS.
9860 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9861 (rs6000_override_options): Use it.
9862 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9863 only for -mabi=spe/no-spe and -mabi=altivec.
9865 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9867 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9870 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9872 * Makefile.in: Rename docdir to gcc_docdir.
9874 2006-03-30 Roger Sayle <roger@eyesopen.com>
9877 * expr.c (emit_group_store): Optimize group stores into a pseudo
9878 register by using a paradoxical subreg to initialize the destination
9879 if the first or last member of the group specifies a "low part".
9881 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9884 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9885 * target.h (struct gcc_target.speculate_insn): Change type of the
9886 second parameter to 'int'.
9887 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9888 the second operand of the DEPS_LIST.
9889 (copy_DEPS_LIST_list): Update reference to the second operand of the
9891 * rtl.h (alloc_DEPS_LIST): Update signature.
9892 * sched-int.h (ds_t): Change typedef to 'int'.
9893 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9895 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9897 * haifa-sched.c (try_ready): Change condition to restore
9898 non-speculative pattern of the instruction.
9899 (process_insn_depend_be_in_spec): Code to keep probability of the
9900 speculative dependence non-decreasing.
9902 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9904 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9905 (single_move_for_movmem): ... this. Also change all uses.
9906 (bfin_expand_strmov): Renamed to...
9907 (bfin_expand_movmem): ... this. Also change all uses.
9908 * config/bfin/bfin.md (movstrsi): Renamed to...
9909 (movstrsi): ...this.
9911 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9913 PR tree-optimization/26830
9915 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9916 (copy_prop_visit_stmt): Remove write-only variable ann.
9917 (init_copy_prop): Check variable loop depth here. Do not simulate
9918 memory-tag and virtual operand PHIs except for store copy prop.
9920 2006-03-30 Richard Guenther <rguenther@suse.de>
9922 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9923 variants with double arguments.
9925 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9927 * genpreds.c (write_tm_constrs_h): Delete variable p.
9928 * genconditions.c (write_header): Add tm-constrs.h to included
9930 * genpeep.c (main): Add toplev.h to included headers.
9931 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9932 (build/genpeep.o): Add toplev.h dependency.
9933 * config/rs6000/constraints.md: Add "W" constraint.
9935 2006-03-29 Roger Sayle <roger@eyesopen.com>
9937 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9938 sizes by correctly testing whether the size fits a host integer.
9939 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9940 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9941 SImode range for the default sizetype and bitsizetype.
9943 2006-03-29 Roger Sayle <roger@eyesopen.com>
9945 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9946 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9947 quickly if the argument is already of the correct type.
9948 Call fold_build1 instead of build1. Tidy up blank lines.
9950 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9952 * genemit.c (main): Add tm-constrs.h to included headers.
9953 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9954 * genpeep.c (main): Add tm-constrs.h to included headers.
9955 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9956 (write_tm_constrs_h): this and write complete file.
9957 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9958 (write_insn_preds_c): Add tm-constrs.h to included headers.
9959 (gen_constrs): New variable.
9960 (parse_option): Parse "-c".
9961 (main): Invoke write_tm_constrs_h.
9962 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9963 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9964 (object_out_file): Add tm-constrs.h dependency.
9965 (insn-emit.o): Same.
9966 (insn-output.o): Same.
9967 (insn-peep.o): Same.
9968 (insn-preds.o): Same.
9969 (insn-recog.o): Same.
9970 (tm-constsr.h): New target.
9971 (s-constrs-h): New target.
9973 * config/rs6000/constraints.md: New file.
9974 * config/rs6000/rs6000.c: Include tm-constrs.h.
9975 (num_insn_constant_wide): Convert to satisfies_constraint.
9976 (rs6000_rtx_costs): Convert to satisfies_constraint.
9977 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9978 (CONST_OK_FOR_LETTER_P): Delete.
9979 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9980 (EXTRA_CONSTRAINT): Delete.
9981 (EXTRA_MEMORY_CONSTRAINT): Delete.
9982 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9983 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9984 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9985 satisfies_constraint.
9987 * config/i386/i386.c: Include tm-constrs.h.
9989 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9991 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9992 * tree-data-ref.c (find_data_references_in_loop,
9993 compute_data_dependences_for_loop): Use pointers to VEC.
9994 (analyze_all_data_dependences): Adjust calls.
9995 * tree-data-ref.h (find_data_references_in_loop,
9996 compute_data_dependences_for_loop): Adjust declarations.
9997 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9998 compute_data_dependences_for_loop.
10000 2006-03-29 Paul Brook <paul@codesourcery.com>
10002 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10003 (movdf_vfp): Ditto.
10005 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10007 PR tree-optimization/26859
10008 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10010 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10011 for the step after fold_convert.
10013 2006-03-29 Paul Brook <paul@codesourcery.com>
10015 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10016 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10018 2006-03-29 Paul Brook <paul@codesourcery.com>
10020 PR middle-end/23623
10021 * targhooks.c (default_narrow_bitfield): New fuction.
10022 * targhooks.h (default_narrow_bitfield): add prototype.
10023 * target.h (gcc_target): Add narrow_volatile_bitfield.
10024 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10025 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10026 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10027 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10029 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10031 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10033 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10034 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10035 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10036 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10037 (s390_function_arg_float): Allow SDmode and DDmode values to be
10038 passed in floating point registers.
10039 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10040 check with SCALAR_FLOAT_MODE_P.
10041 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10043 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10045 PR tree-optimization/25985
10046 * tree-ssa-loop-niter.c (number_of_iterations_le,
10047 number_of_iterations_ne): Make comments more precise.
10048 (number_of_iterations_cond): Add only_exit argument. Use the
10049 fact that signed variables do not overflow only when only_exit
10051 (loop_only_exit_p): New.
10052 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10053 number_of_iterations_cond.
10055 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10057 PR tree-optimization/26643
10058 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10061 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10063 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10064 (divsi3_i4_int): Likewise.
10066 2006-03-28 Roger Sayle <roger@eyesopen.com>
10068 * expr.c (emit_group_store): Only create a new pseudo reg if the
10069 quantity it needs to hold isn't already a suitable pseudo.
10071 2006-03-28 Jeff Law <law@redhat.com>
10073 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10074 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10076 2006-03-28 Roger Sayle <roger@eyesopen.com>
10078 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10079 the equivalent ~X & Y, and the symmetry related transformations.
10080 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10081 ~X & Y, and symmetry related transforms.
10083 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10085 Revert my 2006-03-27 patches.
10087 2006-03-28 Roger Sayle <roger@eyesopen.com>
10089 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10090 ~(T1)X, when T1 and T2 are integer types of the same precision
10091 and (T2)X isn't an extension.
10093 2006-03-28 Jeff Law <law@redhat.com>
10095 PR tree-optimization/26796
10096 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10097 need EH edge cleanups rather than purging them immediately.
10098 (eliminate_degenerate_phis): Handle queued EH cleanups.
10100 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10102 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10105 2006-03-27 Roger Sayle <roger@eyesopen.com>
10107 PR middle-end/22524
10108 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10109 cast BIT_NOT_EXPR operand to the correct type.
10111 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10113 * tree-loop-linear.c: Don't include varray.h.
10114 (gather_interchange_stats, try_interchange_loops,
10115 linear_transform_loops): Use VEC instead of VARRAY.
10116 * lambda-mat.c: Don't include varray.h.
10117 * tree-chrec.c: Same.
10118 * lambda-trans.c: Same.
10119 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10120 VEC instead of VARRAY.
10121 * tree-vectorizer.h: Idem.
10122 * tree-data-ref.c (dump_data_references,
10123 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10124 initialize_data_dependence_relation, finalize_ddr_dependent,
10125 compute_all_dependences, find_data_references_in_loop,
10126 compute_data_dependences_for_loop, analyze_all_data_dependences,
10127 free_dependence_relation, free_dependence_relations,
10128 free_data_refs): Idem.
10129 * tree-data-ref.h (data_reference_p, subscript_p): New.
10130 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10131 VEC instead of VARRAY.
10132 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10133 (find_data_references_in_loop, compute_data_dependences_for_loop,
10134 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10135 dump_data_dependence_relations, free_dependence_relations,
10136 free_data_refs): Adjust declaration.
10137 (lambda_transform_legal_p): Move declaration here...
10138 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10139 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10140 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10141 vect_analyze_data_refs): Use VEC instead of VARRAY.
10142 * lambda.h (lambda_transform_legal_p): ...from here.
10143 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10144 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10145 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10146 tree-chrec.o): Don't depend on VARRAY_H.
10148 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10150 * rtl.def (Copyright): Update date.
10151 (DEPS_LIST): Change type of the second operand to 'int'.
10152 * target.h (Copyright): Update date.
10153 (struct gcc_target.speculate_insn): Change type of the second parameter
10155 * lists.c (Copyright): Update date.
10156 (alloc_DEPS_LIST): Change signature. Update reference to the second
10157 operand of the DEPS_LIST.
10158 (copy_DEPS_LIST_list): Update reference to the second operand of the
10160 * rtl.h (Copyright): Update date.
10161 (alloc_DEPS_LIST): Update signature.
10162 * sched-int.h (Copyright): Update date.
10163 (ds_t): Change typedef to 'int'.
10164 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10166 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10168 * haifa-sched.c (Copyright): Update date.
10169 (try_ready): Change condition to restore non-speculative pattern
10170 of the instruction.
10171 (process_insn_depend_be_in_spec): Code to keep probability of the
10172 speculative dependence non-decreasing.
10174 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10176 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10177 shut up the compiler.
10179 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10181 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10182 to use lib prefix for target.
10183 ($(T)libic_invalidate_array_4-200.a): Likewise.
10184 ($(T)libic_invalidate_array_4a.a): Likewise.
10186 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10187 J"orn Rennecke <joern.rennecke@st.com>
10189 * superh.opt: New file.
10190 * sh.c (boardtype, osruntime): Remove.
10191 * superh.h (SUBTARGET_OPTIONS): Remove.
10192 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10194 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10195 arguments with ^ and/or [].
10197 * config.gcc (sh-*-*): Add quoting to account for quirk of
10199 Replace == with = in enable_incomplete_targets test.
10201 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10202 with MASK_LITTLE_ENDIAN.
10204 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10205 * config/sh/sh.opt: Added to some comments.
10206 * config/sh/superh.h: Removed some chaff.
10208 * config/sh/sh.opt: Add m4-[1234]00* options.
10209 * config/sh/sh.c (sh_handle_option): Likewise.
10210 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10211 (ic_invalidate_array_4-100.o): New rule.
10212 ($(T)libic_invalidate_array_4-100.a): Likewise.
10213 (ic_invalidate_array_4-200.o): Likewise.
10214 ($(T)libic_invalidate_array_4-200.a): Likewise.
10215 (ic_invalidate_array_4a.o): Likewise.
10216 ($(T)libic_invalidate_array_4a.a): Likewise.
10217 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10218 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10220 * config/sh/crt1.asm: Merged in profiling code.
10221 * config/sh/superh.h (STARTFILE_SPEC): Override.
10222 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10223 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10224 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10226 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10227 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10228 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10230 * sh.opt (mpretend-cmove): New option.
10231 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10232 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10233 (movsicc): Add TARGET_PRETEND_CMOVE code.
10235 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10237 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10238 s390_class_max_nregs): New function prototypes.
10239 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10240 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10241 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10242 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10244 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10246 * dwarf2out.c (add_location_or_const_value_attribute): Call
10247 tree_add_const_value_attribute if nothing else works.
10248 (reference_to_unused): New.
10249 (rtl_for_decl_init): Use reference_to_unused to decide whether
10250 to output an initializer.
10252 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10255 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10256 peephole removing spe frob_di_df_2.
10258 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10260 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10261 (subscript_dependence_tester_1): Declared.
10262 (print_dir_vectors, print_dist_vectors): New.
10263 (debug_data_dependence_relation): New.
10264 (dump_data_dependence_relation): Print more details.
10265 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10266 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10267 (save_dist_v, save_dir_v, add_outer_distances,
10268 build_classic_dist_vector_1): New.
10269 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10270 Don't test for lambda_vector_lexico_pos.
10271 (same_access_functions, add_multivariate_self_dist,
10272 add_other_self_distances, dir_from_dist): New.
10273 (build_classic_dir_vector): Replace implementation almost identical to
10274 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10276 (subscript_dependence_tester_1): New.
10277 (subscript_dependence_tester): Handle the lexicographically negative
10278 distance vectors by recomputing the dependence relation.
10279 (compute_affine_dependence): Remove parameter loop_nest_depth.
10280 (compute_self_dependence): Don't call compute_subscript_distance.
10281 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10282 Add a parameter for the loop_nest.
10283 (find_loop_nest_1, find_loop_nest): New.
10284 (compute_data_dependences_for_loop): Compute the loop nest, and give
10285 up if the nest is not well formed.
10286 * tree-data-ref.h (loop_p): New.
10287 (struct data_dependence_relation): Replace size_vect field with
10288 loop_nest, a vec of loops.
10289 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10290 (DDR_LOOP_NEST): New.
10291 (print_dir_vectors, print_dist_vectors,
10292 debug_data_dependence_relation): Declared.
10293 (index_in_loop_nest): New.
10294 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10295 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10298 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10300 * simplify-rtx.c (simplify_relational_operation): Call
10301 simplify_relational_operation_1 even if mode is VOIDmode.
10303 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10305 PR tree-optimization/26804
10306 * tree.h (DECL_CALL_CLOBBERED): New macro.
10307 (tree_decl_common): Add call_clobbered_flag.
10308 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10309 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10310 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10311 (mark_non_addressable): Ditto.
10312 * tree-ssa.c (verify_call_clobbered): New function.
10313 (verify_alias_info): Use it.
10314 * tree-pass.h (pass_reset_cc_flags): New prototype.
10315 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10316 (reset_cc_flags): New function.
10317 * passes.c (init_optimization_passes): Call reset_cc_flags after
10318 initializing referenced_vars.
10320 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10321 Roger Sayle <roger@eyesopen.com>
10323 PR middle-end/26717
10324 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10325 to 1.0 for non-real operands. Implement A / A optimization for
10328 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10330 * config/i386/i386.c (size_cost): Correct the comment for
10331 cost of storing fp registers.
10332 (i386_cost): Likewise.
10333 (i486_cost): Likewise.
10334 (pentium_cost): Likewise.
10335 (pentiumpro_cost): Likewise.
10336 (k6_cost): Likewise.
10337 (athlon_cost): Likewise.
10338 (k8_cost): Likewise.
10339 (pentium4_cost): Likewise.
10340 (nocona_cost): Likewise.
10341 (generic64_cost): Likewise.
10342 (generic32_cost): Likewise.
10344 2006-03-24 Denis Chertykov <denisc@overta.ru>
10346 * config/avr/avr-protos.h (extra_constraint): Delete.
10347 (extra_constraint_Q): New declaration.
10348 * config/avr/constraints.md: New file.
10349 * config/avr/avr.md: Include it.
10350 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10351 (TMP_REGNO, ZERO_REGNO): Likewise.
10352 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10353 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10354 (extra_constraint): Delete.
10355 (extra_constraint_Q): Test for memory constraint 'Q'.
10356 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10357 (REG_CLASS_FROM_LETTER): Delete.
10358 (CONST_OK_FOR_LETTER_P): Delete.
10359 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10360 (EXTRA_CONSTRAINT): Delete.
10361 (TMP_REGNO): Delete.
10362 (ZERO_REGNO): Delete.
10364 2006-03-24 Jeff Law <law@redhat.com>
10366 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10367 directly. Call mark_new_vars_to_rename slightly earlier.
10369 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10371 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10372 (is_cxx): Likewise.
10373 (gen_compile_unit_die): Use new language types for Objective-C and
10375 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10376 DW_LANG_C_plus_plus.
10379 * config/t-darwin (crt3.o): Work around bug 26840.
10380 * config/darwin-crt3.c: Rewrite.
10381 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10383 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10385 * doc/invoke.texi: Document -femit-class-debug-always
10386 * common.opt: Add -femit-class-debug-always.
10388 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10390 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10391 index and base register.
10392 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10393 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10394 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10395 REGNO_OK_FOR_INDEX_P.
10396 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10398 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10399 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10400 REG_OK_FOR_BASE_P): Definitions removed.
10402 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10404 PR middle-end/26611
10405 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10406 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10407 set yet or weren't marked as local yet.
10409 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10411 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10414 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10416 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10417 (rs6000_legitimate_small_data_p): Delete.
10418 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10419 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10420 and make static. Add forward declaration. Update uses.
10421 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10422 of offsettable_memref_p.
10423 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10424 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10426 2006-03-24 Jeff Law <law@redhat.com>
10428 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10429 around bug in immediate-use iterator.
10431 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10434 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10435 or __LITTLE_ENDIAN__.
10437 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10439 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10440 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10441 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10442 * config/sh/sh.opt (mdiv=): Amend description.
10443 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10444 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10445 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10446 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10447 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10448 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10449 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10450 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10451 TARGET_DIVIDE_CALL_FP.
10453 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10455 * haifa-sched.c (choose_ready): Fix type of the local variable.
10456 Move local variables. Add comment.
10457 (check_reg_live): Change signature. Make callable from debugger.
10458 * sched-int.h (check_reg_live): Update signature.
10459 * sched-ebb.c (check_reg_live): Update parameters.
10460 * sched-rgn.c (check_reg_live): Ditto.
10461 (region_head_or_leaf_p): Check pointer before dereferencing.
10462 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10463 before reload on optimization levels below 1.
10465 2006-03-23 Richard Henderson <rth@redhat.com>
10467 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10471 * config/alpha/predicates.md (local_symbolic_operand): Reject
10474 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10477 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10478 expressions which have overflowed constants.
10480 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10482 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10484 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10486 * cfgloopmanip.c (create_loop_notes): Removed.
10487 * final.c (final_scan_insn): Do not handle loop notes.
10488 * jump.c (squeeze_notes): Ditto.
10489 * cfglayout.c (skip_insns_after_block,
10490 duplicate_insn_chain): Ditto.
10491 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10493 * cfgloop.h (create_loop_notes): Declaration removed.
10495 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10497 * varasm.c (output_constant_pool): Restore fnname and fndecl
10499 (assemble_start_function): Adjust call accordingly.
10500 (assemble_end_function): Likewise.
10502 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10505 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10508 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10510 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10513 * system.h (ICE_EXIT_CODE): New macro.
10514 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10515 (diagnostic_action_after_output): Likewise.
10516 * gcc.c (fatal_ice): New function.
10517 (execute): Use it instead of fatal.
10518 (fancy_abort): Likewise.
10519 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10521 2006-03-22 Jeff Law <law@redhat.com>
10523 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10524 iv_analyze_result returning false.
10526 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10528 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10530 2006-03-22 Richard Henderson <rth@redhat.com>
10532 PR middle-end/26084
10533 * except.c (duplicate_eh_regions_0): New.
10534 (duplicate_eh_region_1): Duplicate the children of the node as
10535 well as the node itself. Link them up properly.
10536 (duplicate_eh_region_2): Merge into ...
10537 (duplicate_eh_regions): ... here. Take copy_region argument, and
10538 copy only a sub-tree if asked. Simplify copying and fixup.
10539 (eh_region_outer_p): New.
10540 * except.h (duplicate_eh_regions): Update decl.
10541 (eh_region_outer_p): Declare.
10542 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10543 (lower_omp_master): Likewise.
10544 (lower_omp_ordered): Likewise.
10545 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10546 (move_stmt_r): Use it to remap labels. Handle recursion vs
10547 remap_decls_p properly.
10548 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10549 (find_outermost_region_in_block): New.
10550 (new_label_mapper): New.
10551 (move_sese_region_to_fn): Copy eh information to the new function
10553 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10555 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10558 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10560 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10561 into shared libraries.
10563 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10565 * doc/md.texi: Refer to i386/constraints.md instead of
10566 i386/predicates.md.
10567 * config/i386/constraints.md: New file, extracted from...
10568 * config/i386/predicates.md: ...here.
10569 * config/i386/i386.md: Include constraints.md.
10571 2006-03-21 Jason Merrill <jason@redhat.com>
10573 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10575 PR middle-end/20297
10576 * expr.c (init_block_move_fn): Force default visibility.
10577 (init_block_clear_fn): Likewise.
10578 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10579 * targhooks.c (default_external_stack_protect_fail): Likewise.
10581 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10583 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10584 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10585 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10586 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10587 (loadgp): Use mips_current_loadgp_style.
10588 (loadgp_noshared): New pattern.
10589 (sibcall_internal): Use MIPS_CALL.
10590 (sibcall_value_internal): Likewise.
10591 (sibcall_value_multiple_internal): Likewise.
10592 (call_internal): Likewise.
10593 (call_value_internal): Likewise.
10594 (call_value_multiple_internal): Likewise.
10595 (call_split): Use MIPS_CALL and add an 'S' constraint.
10596 (call_value_split): Likewise.
10597 (call_value_multiple_split): Likewise.
10598 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10599 (-mshared): New option.
10600 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10601 (mips_current_loadgp_style): Declare.
10602 * config/mips/mips.c (mips_classify_symbol): Avoid using
10603 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10604 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10605 TARGET_ABSOLUTE_ABICALLS.
10606 (override_options): Adjust comments. Improve the warning that is
10607 issued when -mabicalls and -G are used together.
10608 (mips_file_start): Remove comment.
10609 (mips_current_loadgp_style): New function.
10610 (mips_gnu_local_gp): New variable.
10611 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10613 (mips_output_function_prologue): Use mips_current_laodgp_style.
10614 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10615 the cprestore instruction.
10616 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10617 live for TARGET_ABSOLUTE_ABICALLS.
10618 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10619 (ASM_SPEC): Pass down -mshared and -mno-shared.
10620 (MIPS_CALL): New macro.
10621 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10623 * doc/invoke.texi (-mabicalls): Update documentation.
10624 (-mshared): Document.
10626 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10628 * config/ia64/unwind-hpux.c: New file.
10629 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10631 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10634 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10636 2006-03-21 Jeff Law <law@redhat.com>
10638 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10639 type conversions of a VR_VARYING source to a wider type.
10641 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10643 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10644 tm_file on Solaris 10 and later.
10645 (sparc64-*-solaris2*): Likewise.
10646 (sparc-*-solaris2*): Likewise.
10647 * config/sol26.h: Rename to config/sol2-6.h.
10648 * config/sol2-10.h: New file.
10650 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10653 * tree-ssa-pre.c (create_component_ref_by_pieces):
10656 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10659 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10660 return it immediately.
10662 2006-03-21 Michael Matz <matz@suse.de>
10664 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10666 (remove_arc, add_arc): Update num_out_arcs member.
10667 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10669 (cache_presence): New function.
10670 (compare_states_for_equiv): New function.
10671 (state_is_differed): Don't take number of outargs, adjust callers.
10672 Use new invariant for speeding up.
10673 (init_equiv_class): Create initial classes based on sorted
10675 (partition_equiv_class): Don't track out_arcs_num.
10676 (evaluate_equiv_classes): Call cache_presence on all states and
10679 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10681 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10682 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10683 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10684 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10686 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10687 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10688 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10689 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10690 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10692 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10693 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10694 (REGNO_REG_CLASS): ARGP is in PREGS.
10695 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10697 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10698 to deal with those addresses.
10699 * addresses.h: New file.
10700 * caller-save.c: Include "addresses.h".
10701 (init_caller_save): Use new base_reg_class function.
10702 * rtl-factoring.c: Include "addresses.h".
10703 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10704 * recog.c: Include "addresses.h".
10705 (preprocess_constraints): Use new base_reg_class function.
10706 * regrename.c: Include "addresses.h".
10707 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10708 functions. Keep track of a new var INDEX_CODE to compute valid
10710 (replace_oldest_value_addr): Likewise.
10711 (replace_oldest_value_mem): Use base_reg_class.
10712 * reload.c: Include "addresses.h".
10713 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10714 (find_reloads): Use new base_reg_class function.
10715 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10716 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10717 all callers and prototype changed.
10718 * reload1.c: Include "addresses.h".
10719 (maybe_fix_stack_asms): Use base_reg_class.
10720 * regclass.c: Include "addresses.h".
10721 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10722 (init_reg_autoinc): Use new base_reg_class function.
10723 (record_reg_classes): Likewise.
10724 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10725 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10726 Use new args to compute necessary class.
10728 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10729 regrename.o, rtl-factoring.o): Update dependencies.
10730 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10731 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10732 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10733 REG_OK_FOR_INDEX_P): Delete documentation.
10735 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10737 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10738 from V7 to V9 for Solaris 7 and above.
10740 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10742 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10743 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10744 argument pointers may not alias any other storage.
10745 * common.opt: Define option -fargument-noalias-anything.
10746 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10747 alias semantics is specified by flag_argument_noalias > 2.
10749 2006-03-20 Jeff Law <law@redhat.com>
10751 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10752 (pass_phi_only_cprop): Declare.
10753 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10754 with phi_only_cprop
10755 * tree-ssa-dom.c (degenerate_phi_result): New function.
10756 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10757 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10758 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10759 (eliminate_degenerate_phis): Likewise.
10760 (pass_phi_only_cprop): New pass descriptor.
10761 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10762 support code. Callers updated.
10763 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10764 (store_copy_prop): Likewise.
10765 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10767 2006-03-20 Jason Merrill <jason@redhat.com>
10770 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10771 (push_visibility, pop_visibility): Likewise.
10772 * c-pragma.h: Declare them.
10774 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10776 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10778 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10779 parameter and use get_ebb_head_tail.
10780 (sh_md_init_global): Adjust uses of find_regmode_weight.
10782 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10784 * function.h (struct function) <x_tail_recursion_reentry>:
10785 Rename to x_stack_check_probe_note.
10786 (tail_recursion_reentry): Rename to stack_check_probe_note.
10787 * function.c: Replace tail_recursion_reentry with
10788 stack_check_probe_note everywhere.
10789 (expand_function_start): Only emit a note for
10790 stack_check_probe_note with -fstack-protect.
10791 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10793 * emit-rtl.c (remove_unnecessary_notes): Remove.
10794 (pass_remove_unnecessary_notes): Remove.
10795 * rtl.h (remove_unnecessary_notes): Remove prototype.
10796 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10797 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10798 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10800 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10803 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10804 (valid_in_set): Handle ARRAY_REF.
10805 Change "if min_variant or VH" to asserts.
10806 (create_component_ref_by_pieces): Handle ARRAY_REF.
10807 (create_expression_by_pieces): Likewise.
10808 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10810 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10812 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10813 is operand of switch, not str[0].
10815 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10817 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10818 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10820 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10822 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10823 end of insn_extra_address_constraint declaration.
10825 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10827 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10828 (no-sum-in-toc): Same.
10829 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10831 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10832 NO_FP_IN_TOC for -fPIC instead of mask.
10834 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10835 (BOOT_LDFLAGS): Delete.
10837 * config/rs6000/t-aix52: Same.
10839 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10840 (stmsi[345678]_power): New.
10842 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10844 * config/ia64/ia64.opt: Add empty line to end of file.
10846 2006-03-17 Richard Guenther <rguenther@suse.de>
10848 PR middle-end/26721
10849 * builtins.c (get_pointer_alignment): For component style references
10850 adjust alignment to the component type alignment. Make sure
10851 to adjust alignment for component access of constants.
10853 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10855 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10856 unconditional jump.
10858 2006-03-17 Paul Brook <paul@codesourcery.com>
10860 * doc/install.texi: Docuemnt --with-mode.
10861 * config.gcc: Add --with-mode for arm*-*-*.
10862 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10864 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10866 * sh.c (max_labelno_before_reorg): New variable.
10867 (sh_reorg): Initialize it.
10868 (find_barrier): Check max_labelno_before_reorg before using
10869 label_to_alignment. Take length of explicit alignment insns
10870 into account. When seeing a UNSPECV_CONST_END, return it.
10872 * sh.c (fixup_mova): Set mode of affected label to QImode.
10873 (untangle_mova): New function.
10874 (find_barrier): Use it. Check mode of label before decrementing
10876 (sh_reorg): Likewise.
10877 Set mode of all insns back to VOIDmode.
10879 * sh.c (MOVA_LABELREF): New macro.
10880 (mova_p, fixup_mova, sh_reorg): Use it.
10881 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10882 ADDR_DIFF_VEC matches mova.
10884 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10886 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10887 with ATTRIBUTE_UNUSED.
10889 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10891 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10892 pointer, instead of assuming it is possible to derive the
10893 correct args size from a call insn.
10895 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10897 * rtl.h (CONST_INT_P): Define.
10898 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10899 instead of GET_CODE(x) == CONST_INT.
10900 (vax_rtx_costs): Likewise.
10901 (vax_output_int_move): Likewise.
10902 (vax_output_int_add): Likewise.
10903 (legitimate_constant_address_p): Likewise.
10904 (index_term_p): Likewise.
10905 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10906 * config/vax/vax.md (and<mode>3): Likewise.
10907 (ashrsi3): Likewise.
10909 (movstricthi): Likewise.
10910 (movstrictqi): Likewise.
10911 (rotrsi3): Likewise.
10912 (five unnamed insns): Likewise.
10914 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10916 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10917 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10918 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10919 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10920 Pass to ASM_OUTPUT_DWARF_OFFSET.
10921 * dwarf2out.c (debug_frame_section): New.
10922 (output_call_frame_info): Use debug_frame_section. Pass it to
10923 dw2_asm_output_offset.
10924 (output_die): Pass appropriate section to dw2_asm_output_offset.
10925 (output_compilation_unit_header): Likewise.
10926 (output_pubnames): Likewise.
10927 (output_aranges): Likewise.
10928 (enum dw_val_class): Break dw_val_class_lbl_offset into
10929 dw_val_class_lineptr and dw_val_class_macptr.
10930 (add_AT_lbl_offset): Delete.
10931 (add_AT_lineptr): New.
10932 (add_AT_macptr): New.
10933 (AT_lbl): Expect a lineptr or macptr.
10934 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10935 (attr_checksum): Likewise.
10936 (same_dw_val_p): Likewise.
10937 (size_of_die): Likewise.
10938 (value_format): Likewise.
10939 (output_die): Likewise.
10940 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10942 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10943 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10944 * config/darwin-protos.h (darwin_file_start): New.
10945 (darwin_asm_output_dwarf_offset): New.
10946 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10947 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10949 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10950 if not EH section; simplify.
10951 (darwin_file_start): New.
10952 (darwin_asm_output_dwarf_offset): New.
10953 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10955 (DEBUG_INFO_SECTION): Likewise.
10956 (DEBUG_ABBREV_SECTION): Likewise.
10957 (DEBUG_ARANGES_SECTION): Likewise.
10958 (DEBUG_MACINFO_SECTION): Likewise.
10959 (DEBUG_LINE_SECTION): Likewise.
10960 (DEBUG_LOC_SECTION): Likewise.
10961 (DEBUG_PUBNAMES_SECTION): Likewise.
10962 (DEBUG_STR_SECTION): Likewise.
10963 (DEBUG_RANGES_SECTION): Likewise.
10964 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10965 (ASM_OUTPUT_DWARF_OFFSET): New.
10967 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10969 * config.gcc (tm_defines): Always add to previous value rather
10972 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10974 * config/mips/predicates.md (splittable_const_int_operand): New,
10975 split from move_operand.
10976 (splittable_symbolic_operand): New.
10977 (move_operand): Add commentary. Use splittable_const_int_operand.
10978 Inline mips_atomic_symbolic_constant_p.
10979 * config/mips/mips.md: Add combine splitters for handling moves
10980 of splittable_const_int_operands and splittable_symbolic_operands.
10981 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10982 (mips_split_symbol): Declare.
10983 (mips_move_integer): Declare.
10984 * config/mips/mips.c (mips_split_p): Make global.
10985 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10986 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10987 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10988 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10989 (mips_offset_within_object_p): Handle block symbols.
10990 (mips_atomic_symbolic_constant_p): Delete.
10991 (mips_cannot_force_const_mem): Return false for constants that
10992 mips_legitimize_move can handle.
10993 (mips_use_blocks_for_constant_p): New function.
10994 (mips_split_symbol): Make global.
10995 (mips_move_integer): Likewise. Add a temporary register argument.
10996 (mips_legitimize_const_move): Use splittable_const_int_operand and
10997 splittable_symbolic_operand.
10998 (mips_use_anchors_for_symbol_p): New function.
10999 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11000 (mips_split_p): Declare.
11002 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11004 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11005 (mips*-*-linux*): Likewise.
11007 2006-03-16 Roger Sayle <roger@eyesopen.com>
11008 Daniel Speyer <dspeyer@wam.umd.edu>
11010 PR middle-end/18259
11011 * tree-dump.c (dump_real): New function.
11012 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11013 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11014 (tree-dump.o): Add $(REAL_H) to the dependencies.
11016 2006-03-16 Roger Sayle <roger@eyesopen.com>
11018 PR middle-end/21781
11019 * real.c (real_from_string): If the mantissa is zero, don't bother
11020 parsing the exponent as the result should always be zero.
11022 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11024 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11026 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11028 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11029 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11030 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11031 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11032 ia64_sched_finish_global): New static functions to implement
11033 hooks from gcc_target.sched.
11034 (spec_check_no, max_uid, pending_data_specs): New static variables.
11035 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11036 ia64_spec_check_src_p): New static functions.
11037 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11038 (TARGET_SCHED_ADJUST_COST): Removed.
11039 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11040 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11041 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11042 TARGET_SCHED_GEN_CHECK,
11043 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11044 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11045 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11046 Fixed to handle speculation checks.
11047 (rtx_needs_barrier): Fixed to handle speculative loads and
11049 (ia64_variable_issue): Added code to count speculative loads and their
11051 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11053 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11055 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11057 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11058 (ia64_reorg): Reset stops_p to NULL after it is freed.
11059 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11060 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11061 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11063 (data_speculative, control_speculative, check_load): New attributes.
11064 (mov<mode>_advanced, mov<mode>_speculative,
11065 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11066 zero_extend<mode>di2_speculative,
11067 zero_extend<mode>di2_speculative_advanced): New patterns for
11068 data and control speculative loads.
11069 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11071 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11072 New pattern for data and control speculation checks.
11073 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11074 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11075 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11076 Auxiliary definitions for the patterns.
11077 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11078 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11080 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11082 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11083 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11084 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11085 New resource constraints.
11086 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11088 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11089 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11090 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11091 msched-in-control-spec, msched-ldc, msched-control-ldc,
11092 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11093 msched-prefer-non-control-spec-insns,
11094 msched-count-spec-in-critical-path): New flags to tune speculative
11096 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11097 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11098 msched-in-control-spec, msched-ldc, msched-control-ldc,
11099 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11100 msched-prefer-non-control-spec-insns,
11101 msched-count-spec-in-critical-path): Document new flags.
11103 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11105 * target.h (struct spec_info_def): New opaque declaration.
11106 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11107 speculate_insn, needs_block_p, gen_check,
11108 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11109 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11110 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11111 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11112 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11113 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11115 (TARGET_SCHED): Use new macros.
11116 * rtl.h (copy_DEPS_LIST_list): New prototype.
11117 * sched-int.h (struct sched_info): Change signature of new_ready field,
11118 adjust all initializations. New fields: add_remove_insn,
11119 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11120 region_head_or_leaf_p.
11121 (struct spec_info_def): New structure declaration.
11122 (spec_info_t): New typedef.
11123 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11124 recovery_block, orig_pat.
11125 (glat_start, glat_end): New variables declaraions.
11126 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11128 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11129 DETACH_LIFE_INFO, USE_GLAT.
11130 (enum SPEC_SCHED_FLAGS): New enumeration.
11131 (NOTE_NOTE_BB_P): New macro.
11132 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11133 attach_life_info, debug_spec_status, check_reg_live): New functions.
11134 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11135 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11137 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11138 * ddg.c (get_block_head_tail): Adjust all uses.
11139 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11140 (sms_sched_info): Initialize new fields.
11141 (contributes_to_priority): Removed.
11142 * haifa-sched.c (params.h): New include.
11143 (get_block_head_tail): Adjust all uses.
11144 (ISSUE_POINTS): New macro.
11145 (glat_start, glat_end): New global variables.
11146 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11147 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11148 old_last_basic_block, before_recovery, current_sched_info_var,
11149 rgn_n_insns, luid): New static variables.
11150 (insn_cost1): New function. Move logic from insn_cost to here.
11151 (find_insn_reg_weight1): New function. Move logic from
11152 find_insn_reg_weight to here.
11153 (reemit_notes, move_insn, max_issue): Change signature.
11154 (move_insn1): Removed.
11155 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11156 extend_bb): New static functions to support extension of scheduler's
11158 (generate_recovery_code, process_insn_depend_be_in_spec,
11159 begin_speculative_block, add_to_speculative_block,
11160 init_before_recovery, create_recovery_block, create_check_block_twin,
11161 fix_recovery_deps): New static functions to support
11162 generation of recovery code.
11163 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11164 restore_bb_notes, move_block_after_check, move_succs): New static
11165 functions to support ebb scheduling.
11166 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11167 functions to support handling of register live information.
11168 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11169 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11170 add_jump_dependencies): New static functions.
11171 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11172 consistancy checking.
11173 (debug_spec_status): New function to call from debugger.
11174 (priority): Added code to handle speculation checks.
11175 (rank_for_schedule): Added code to distinguish speculative instructions.
11176 (schedule_insn): Added code to handle speculation checks.
11177 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11178 Fixed to handle ebbs.
11179 (move_insn): Added code to handle ebb scheduling.
11180 (max_issue): Added code to use ISSUE_POINTS of instructions.
11181 (choose_ready): Added code to choose between speculative and
11182 non-speculative instructions.
11183 (schedule_block): Added code to handle ebb scheduling and scheduling of
11184 speculative instructions.
11185 (sched_init): Initialize new variables.
11186 (sched_finish): Free new variables. Print statistics.
11187 (try_ready): Added code to handle speculative instructions.
11188 * lists.c (copy_DEPS_LIST_list): New function.
11189 * sched-deps.c (extend_dependency_caches): New function. Move logic
11190 from create_dependency_caches to here.
11191 (get_dep_weak, ds_merge): Make global.
11192 * genattr.c (main): Code to output prototype for
11193 dfa_clear_single_insn_cache.
11194 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11195 (output_dfa_clean_insn_cache_func): Code to output
11196 dfa_clear_single_insn_cache function.
11197 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11199 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11201 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11202 New static variables.
11203 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11204 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11206 (ebb_sched_info): Initialize new fields.
11207 (get_block_head_tail): Adjust all uses.
11208 (compute_jump_reg_dependencies): Fixed to use glat_start.
11209 (schedule_ebb): Code to remove unreachable last block.
11210 (schedule_ebbs): Added code to update register live information.
11211 * sched-rgn.c (region_sched_info): Initialize new fields.
11212 (get_block_head_tail): Adjust all uses.
11213 (last_was_jump): Removed. Adjust users.
11214 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11215 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11216 Implement new hooks.
11217 (check_dead_notes1): New static function.
11218 (struct region): New fields: dont_calc_deps, has_real_ebb.
11219 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11220 (BB_TO_BLOCK): Fixed to handle EBBs.
11221 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11222 (ebb_head): New static variable.
11223 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11224 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11226 (compute_dom_prob_ps): New assertion.
11227 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11228 global_live_at_start.
11229 (init_ready_list): New assertions.
11230 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11231 (new_ready): Add support for BEGIN_CONTROL speculation.
11232 (schedule_insns): Fixed code that updates register live information
11234 (schedule_region): Fixed to handle EBBs.
11235 (init_regions): Use extend_regions and check_dead_notes1.
11236 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11237 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11238 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11239 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11240 TARGET_SCHED_GEN_CHECK,
11241 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11242 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11243 * doc/invoke.texi (max-sched-insn-conflict-delay,
11244 sched-spec-prob-cutoff): Document.
11246 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11248 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11249 inter_tick, queue_index.
11250 (struct sched_info): Change signature of init_ready_list field.
11251 Adjust all initializations.
11252 (RESOLVED_DEPS): New access macro.
11253 (ready_add): Remove prototype.
11254 (try_ready): Add prototype.
11255 * sched-rgn.c (init_ready_list): Use try_ready.
11256 (schedule_region): Initialize
11257 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11258 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11259 (init_ready_list): Use try_ready.
11260 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11261 * lists.c (remove_list_elem): Remove `static'.
11262 (remove_free_INSN_LIST_elem): New function.
11263 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11264 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11265 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11267 (readyp): New variable.
11268 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11269 change_queue_index, resolve_dep): New static functions.
11270 (try_ready): New function. Adjust callers in sched-rgn.c and
11271 sched-ebb.c to use it instead of ready_add.
11272 (clock_var): Move at the begining of file.
11273 (rank_for_schedule): Fix typo.
11274 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11275 (ready_lastpos): Enforce assertion.
11276 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11277 update all callers.
11278 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11279 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11280 (queue_to_ready): Use free_INSN_LIST_list.
11281 (early_queue_to_ready): Fix typo.
11282 (schedule_block): Init readyp. Move init_ready_list call after the
11283 initialization of clock_var. Fix error in rejecting insn by
11284 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11285 that previously corrected INSN_TICKs. Add code for handling
11287 (set_priorities): Fix typo.
11288 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11289 Clarify comment and code that keeps current_sched_info->next_tail
11292 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11294 * sched-rgn.c (extend_rgns): New static function.
11295 (find_rgns): Use it.
11296 (gather_region_statistics, print_region_statistics): New static
11298 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11299 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11301 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11302 Andrey Belevantsev <abel@ispras.ru>
11304 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11305 * lists.c (unused_deps_list): New variable.
11306 (free_list): Add assertions to verify the proper distinguishing
11307 between INSN_LISTs and DEPS_LISTs.
11308 (find_list_elem, remove_list_elem, remove_list_node): New static
11310 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11311 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11312 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11313 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11315 (free_INSN_LIST_node): Likewise.
11316 * modulo-sched.c (current_sched_info): Initialize flags field.
11317 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11318 * rtl.def (DEPS_LIST): Define.
11319 * rtl.h: Declare new functions from lists.c.
11320 * sched-deps.c (spec_dependency_cache): New static variable.
11321 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11322 (add_dependence): Change return type to void. Move the logic to ...
11323 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11324 (delete_all_dependences): Add comment about forward_dependency_cache.
11325 Handle spec_dependency_cache. Handle DEPS_LISTs.
11326 (fixup_sched_groups): Clarify the change of priority of output
11327 and anti dependencies.
11328 (sched_analyze_2): Adjust add_dependence calls to create data
11329 speculative dependence.
11330 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11331 Adjust all callers. Handle DEPS_LISTS.
11332 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11333 presence of speculation.
11334 (init_dependency_caches, free_dependency_caches):
11335 Handle spec_dependency_cache.
11336 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11337 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11338 New static functions.
11339 (add_or_update_back_dep, add_or_update_back_forw_dep,
11340 add_back_forw_dep, delete_back_forw_dep): New functions.
11341 * sched-int.h (ds_t, dw_t): New typedefs.
11342 (struct sched_info): Add new field flags.
11343 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11344 Prototype new sched-deps.c functions.
11345 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11346 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11347 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11348 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11349 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11350 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11352 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11354 * sched-rgn.c (current_sched_info): Initialize flags field.
11355 (schedule_insns): Initialize current_sched_info before the sched_init
11357 * sched-ebb.c (current_sched_info): Initialize flags field.
11358 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11359 Call add_or_update_back_dep instead of add_dependence.
11360 Create control speculative dependencies.
11361 (schedule_insns): Initialize current_sched_info before the sched_init
11364 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11366 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11368 (sh_fallback_frame_state): Likewise.
11370 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11372 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11373 Do switch on default_use_cxa_atexit.
11374 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11375 * config/darwin-crt3.o: New.
11376 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11377 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11378 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11380 * config/rs6000/t-darwin: Move crt2.o building to here.
11381 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11382 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11385 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11387 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11388 from '! xxx' to '!xxx' for coding-style conformance.
11389 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11390 (EXTRA_CONSTRAINT): Likewise.
11391 * config/vax/vax.md (four unnamed insns): Likewise.
11393 2006-03-15 Paul Brook <paul@codesourcery.com>
11395 * config/arm/arm.c (minipool_pad): New.
11396 (add_minipool_forward_ref): Include pool alignment padding in address
11398 (push_minipool_fix): Set minipool_pad.
11399 (minipool_pad): Ditto.
11401 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11403 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11404 instead of GET_CODE() == MEM and REG_P() instead of
11406 (print_operand_address): Likewise.
11407 (vax_address_cost): Likewise.
11408 (vax_rtx_costs): Likewise.
11409 (vax_notice_update_cc): Likewise.
11410 (vax_output_int_add): Likewise.
11411 (INDEX_REGISTER_P): Likewise.
11412 (BASE_REGISTER_P): Likewise.
11413 (nonindexed_address_p): Likewise.
11414 (vax_mode_dependent_address_p): Likewise.
11415 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11416 (PRINT_OPERAND): Likewise.
11417 * config/vax/vax.md (ashlsi3): Likewise.
11418 (ashlsi3): Likewise.
11419 (some more unnamed insns): Likewise.
11421 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11423 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11424 iterator-style macro.
11425 (mark_control_dependent_edges_necessary): Update the use of
11426 EXECUTE_IF_CONTROL_DEPENDENT.
11428 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11430 * config/sh/predicates.md (cache_address_operand): Special.
11431 (ua_address_operand): Likewise.
11433 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11435 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11437 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11439 2006-03-15 Andreas Schwab <schwab@suse.de>
11441 * gensupport.c (identify_predicable_attribute): Don't free p_false
11442 when it is still in use.
11444 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11446 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11447 the default setting here.
11449 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11451 * tree-pass.h (pass_cfg): Remove.
11452 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11453 * passes.c (pass_cfg): Don't run it.
11455 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11457 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11458 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11460 (stack_regs_mentioned): Update the uses of
11461 stack_regs_mentioned_data. Don't access the array beyond its
11463 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11464 Don't include gt-reg-stack.h.
11466 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11467 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11469 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11471 PR middle-end/26684
11472 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11475 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11477 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11479 2006-03-14 Richard Guenther <rguenther@suse.de>
11481 PR tree-optimization/26672
11482 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11485 2006-03-14 Richard Guenther <rguenther@suse.de>
11487 PR tree-optimization/26667
11488 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11489 node for the callees. Always allow inlining if it will shrink
11492 2006-03-14 Richard Guenther <rguenther@suse.de>
11494 PR middle-end/26659
11495 * builtins.c (get_pointer_alignment): Prefer alignment
11496 information from decls over that from types.
11498 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11501 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11503 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11505 * config/rs6000/rs6000.opt (mdlmzb): New option.
11506 (msched-prolog, msched-epilog): Use Var not Mask.
11507 * doc/invoke.texi (-mdlmzb): Document.
11508 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11510 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11511 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11513 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11515 PR rtl-optimization/25739
11516 * bt-load.c (augment_live_range): Free tos pointer.
11518 * gensupport.c (identify_predicable_attribute): Free
11520 * gcov.c (create_file_names): Free name pointer.
11522 2006-03-13 Roger Sayle <roger@eyesopen.com>
11524 PR middle-end/26557
11525 * stmt.c (emit_case_nodes): Handle the case where the index is a
11526 CONST_INT, where the comparison mode is specified by the index type.
11528 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11530 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11533 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11535 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11536 (*branch_fp_inverted): Likewise.
11538 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11540 PR middle-end/25989
11541 * omp-low.c (expand_omp_for_generic): Mark istart0
11542 and iend0 as addressable.
11544 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11546 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11548 2006-03-13 Jeff Law <law@redhat.com>
11550 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11551 virtual operands are interesting.
11552 (vrp_visit_stmt): Corresponding changes.
11554 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11556 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11558 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11559 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11560 * config/bfin/crti.S: Use it instead of __PIC__.
11561 * config/bfin/crtn.S: Likewise.
11563 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11564 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11566 Lose 'G' modifier for call operand.
11567 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11568 recognize 'G' modifier.
11570 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11572 PR middle-end/18859
11573 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11574 * stmt.c (expand_case): Likewise.
11576 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11578 PR rtl-optimization/26254
11579 * loop-invariant.c (seq_insns_valid_p): New function.
11580 (move_invariant_reg): Only emit new code if it is valid.
11582 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11584 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11586 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11587 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11588 (commit_one_edge_insertion): Do not look for loop notes.
11590 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11592 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11593 flag_test_coverage out of loop.
11595 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11597 * final.c (shorten_branches): Remove outdated comment, and turn
11598 the if branch that guards it to continue.
11600 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11602 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11603 * cfgloop.h (struct loop): Remove unused fields.
11605 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11607 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11608 (-dL, -fdump-rtl-loop2): Update the dump file names
11610 * doc/invoke.texi: Update dump file names.
11612 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11614 * predict.c (estimate_probability): Remove.
11615 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11616 * basic-block.h (estimate_probability): Remove prototype.
11617 * passes.c (finish_optimization_passes): Dump branch prediction or
11618 profiling heuristics to the .profile tree dump.
11619 (init_optimization_passes): Unqueue pass_branch_prob.
11621 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11623 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11625 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11626 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11628 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11630 * function.h (frame_offset_overflow): Declare.
11631 * function.c (frame_offset_overflow): New function.
11632 (assign_stack_local_1): Call it to detect that the offset overflows.
11633 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11635 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11637 * config/sh/sh.c: Include alloc-pool.h.
11638 (label_ref_list_pool): New alloc pool.
11639 (label_ref_list_t): New type for lists of labels.
11640 (struct pool_node): Make wend a label_ref_list_t.
11641 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11643 (dump_table): Likewise.
11644 (sh_reorg): Set up the alloc pool before using add_constant and
11645 dump_table, and destroy it when finishing.
11647 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11649 * config/mips/mips.c: Remove redundant comment.
11651 2006-03-10 Jason Merrill <jason@redhat.com>
11654 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11655 the target was declared 'register'.
11657 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11659 * genpreds.c (write_insn_constraint_len): Change definition of
11660 insn_constraint_len to return size_t to match the declaration.
11662 2006-03-10 DJ Delorie <dj@redhat.com>
11664 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11666 (m32c_expand_insv): Fix test for an AND mask.
11668 2006-03-10 Richard Guenther <rguenther@suse.de>
11670 PR middle-end/26565
11671 * builtins.c (get_pointer_alignment): Handle component
11672 references for field alignment.
11674 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11676 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11677 when building with libgloss.
11678 (sh*elf): Implement --without-fp option.
11679 (sh64-superh-linux*): Don't multilib.
11681 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11683 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11685 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11687 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11688 Set it when one of the replacement functions returned true.
11689 Return TODO_cleanup_cfg if cfgchanged is true.
11690 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11692 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11694 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11695 instead of gen_lowpart.
11697 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11699 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11701 (mips_output_order_conditional_branch): Declare.
11702 * config/mips/mips.h (MIPS_BRANCH): New macro.
11703 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11704 for the comparison. Use gen_condjump.
11705 (mips_output_conditional_branch): Rework interface to take the
11706 asm templates for a direct branch and the inverse of a direct branch.
11707 (mips_output_order_conditional_branch): New function.
11708 (mips_builtin_branch_and_move): New function.
11709 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11710 branch condition. Use gen_single_cc as the condition for
11711 __builtin_mips_upper_* or __builtin_mips_lower_*.
11712 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11713 Use VOIDmode for the branch condition.
11714 * config/mips/predicates.md (order_operator): New predicate.
11715 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11716 (branch_fp): Rename to...
11717 (*branch_fp): ...this. Remove mode from comparison operator.
11718 Use new mips_output_conditional_branch interface.
11719 (branch_fp_inverted): Rename to...
11720 (*branch_fp_inverted): ...this and update as for *branch_fp.
11721 (*branch_zero<mode>): Rename to...
11722 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11723 Use mips_output_order_conditional_branch. Only accept ordered
11725 (*branch_zero<mode>_inverted): Rename to...
11726 (*branch_order<mode>_inverted): ...this and update as for
11727 *branch_order<mode>.
11728 (*branch_equality<mode>): Accept zero as the second operand to
11729 the equality operator. Use the new mips_output_conditional_branch
11731 (*branch_equality<mode>_inverted): Likewise.
11732 (condjump): New expander.
11733 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11735 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11736 (bc1any2t, bc1any2f): Likewise.
11737 (single_cc): New expander.
11738 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11740 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11742 * doc/md.texi: Update documentation of MIPS constraints.
11743 * config/mips/constraints.md: New file.
11744 * config/mips/mips.md: Include it.
11745 * config/mips/mips.c (mips_char_to_class): Delete.
11746 (override_options): Don't initialize mips_char_to_class.
11747 * config/mips/mips.h (mips_char_to_class): Delete.
11748 (REG_CLASS_FROM_LETTER): Delete.
11749 (CONST_OK_FOR_LETTER_P): Delete.
11750 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11751 (EXTRA_CONSTRAINT_Y): Delete.
11752 (EXTRA_CONSTRAINT_STR): Delete.
11753 (CONSTRAINT_LEN): Delete.
11754 (EXTRA_MEMORY_CONSTRAINT): Delete.
11756 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11758 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11759 original fn's eh regions.
11761 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11763 * fold-const.c (build_range_check): Make sure to use a valid type to
11764 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11767 (range_predecessor): New static function.
11768 (range_successor): Likewise.
11769 (merge_ranges): Use them to compute predecessors and successors of
11772 2006-03-09 Roger Sayle <roger@eyesopen.com>
11774 PR middle-end/26561
11775 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11776 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11778 2006-03-08 DJ Delorie <dj@redhat.com>
11780 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11781 (addpsi3): Expand to include memory operands. Remove
11782 reload-specific splits.
11783 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11784 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11785 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11786 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11787 (shift1_qi, shift1_hi, insv): New.
11788 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11789 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11790 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11792 * config/m32c/m32c-protos.h: Update as needed.
11793 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11794 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11795 Fail for unrecognized R* constraints.
11796 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11797 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11798 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11800 (m32c_init_libfuncs): New.
11801 (m32c_legitimate_address_p): Add debug wrapper.
11802 (m32c_rtx_costs): New.
11803 (m32c_address_cost): New.
11804 (conversions): Add 'B' prefix.
11805 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11806 operands, or word regnames for QI operands. 'B' prints bit
11808 (m32c_expand_setmemhi): New.
11809 (m32c_expand_movmemhi): New.
11810 (m32c_expand_movstr): New.
11811 (m32c_expand_cmpstr): New.
11812 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11813 (m32c_expand_neg_mulpsi3): Handle non-ints.
11814 (m32c_cmp_flg_0): New.
11815 (m32c_expand_movcc): New.
11816 (m32c_expand_insv): New.
11817 (m32c_scc_pattern): New.
11818 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11819 a0/a1 out of SIregs.
11820 (STORE_FLAG_VALUE): New.
11821 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11824 * config/m32c/mov.md: Make constraints more liberal.
11825 (zero_extendqihi2): Optimize r0/r1 case.
11826 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11827 * config/m32c/predicates.md (m32c_any_operand): New.
11828 (m32c_nonimmediate_operand): New.
11829 (m32c_hl_operand): New.
11830 (m32c_r3_operand): New.
11833 (memsym_operand): New.
11834 (memimmed_operand): New.
11835 (a_qi_operand): New.
11836 (m32c_eqne_operator): New.
11837 (m32c_1bit8_operand): New.
11838 (m32c_1bit16_operand): New.
11839 (m32c_1mask8_operand): New.
11840 (m32c_1mask16_operand): New.
11841 * config/m32c/blkmov.md: New file.
11842 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11844 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11846 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11847 unsigned to fix signed/unsigned comparison issue in
11848 DWARF2_FRAME_REG_OUT.
11849 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11850 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11852 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11853 of ptr into the ENABLE_CHECKING section.
11855 2006-03-08 Jeff Law <law@redhat.com>
11857 * tree-vrp.c (infer_value_range): Only count pointer uses
11858 and dereferences if -fdelete-null-pointer-checks is enabled.
11860 * tree-vrp.c (find_assert_locations): Infer value ranges for
11861 single use pointers, but do not create ASSERT_EXPRs for them.
11862 When a non-null range is inferred for a pointer, backwards
11863 propagate that range to other equivalent pointers through the
11866 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11869 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11870 language hook targets.
11871 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11872 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11873 if language hook targets were missing.
11875 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11877 * tree-ssa-opfinalize.h: Removed.
11878 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11880 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11881 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11882 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11883 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11884 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11885 finalize_ssa_v_must_def_ops): New.
11887 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11889 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11890 block as parameter.
11892 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11894 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11896 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11897 addresses with offsets; reorganize.
11899 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11900 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11901 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11903 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11906 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11908 2006-03-08 Ben Elliston <bje@au.ibm.com>
11910 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11912 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11915 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11918 2006-03-07 Richard Guenther <rguenther@suse.de>
11920 PR tree-optimization/26587
11921 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11923 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11925 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11927 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11929 * hooks.c (hook_bool_mode_rtx_true): New function.
11930 * hooks.h (hook_bool_mode_rtx_true): Declare.
11931 * toplev.c (compile_file): Call output_shared_constant_pool.
11932 * varasm.c (shared_constant_pool): New variable.
11933 (assemble_start_function, assemble_end_function): Remove arguments
11934 from call to output_constant_pool.
11935 (create_constant_pool): New function, split out from...
11936 (init_varasm_status): ...here.
11937 (force_const_mem): Choose between the shared and per-function constant
11938 pools. Set current_function_uses_const_pool when reusing old entries
11939 as well as when creating new ones.
11940 (mark_constant): Ignore data argument.
11941 (mark_constants): Remove pool argument.
11942 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11943 to decide whether the function uses a constant pool.
11944 (output_constant_pool_contents): New function, split out from...
11945 (output_constant_pool): ...here.
11946 (output_shared_constant_pool): New function.
11947 (init_varasm_once): Initialize shared_constant_pool.
11948 * output.h (output_constant_pool): Delete.
11949 (output_shared_constant_pool): Declare.
11950 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11951 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11953 2006-03-06 Nick Clifton <nickc@redhat.com>
11955 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11956 flag_strength_reduce.
11958 2006-03-06 Ben Elliston <bje@au.ibm.com>
11960 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11961 x86_64-*-linux* configurations.
11963 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11964 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11966 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11968 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11970 * basic-block.h: Remove the extern for
11971 rediscover_loops_after_threading.
11973 * cfgloop.c (cancel_loop): Make it static.
11974 * cfgloop.h: Remove the prototype for cancel_loop.
11976 * flow.c (recompute_reg_usage): Make it static.
11977 * rtl.h: Remove the prototype for recompute_reg_usage.
11979 * function.c (use_return_register): Make it static.
11980 * function.h: Remove the prototype.
11982 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11984 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11986 * recog.h: Remove the prototype for
11987 validate_change_maybe_volatile.
11989 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11991 * rtlanal.c (replace_reg): Remove.
11992 * rtl.h: Remove the prototype for replace_reg.
11994 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11996 * regclass.c (reg_scan_update): Remove.
11997 (reg_scan_mark_refs): Remove the last argument.
11998 * rtl.h: Remove the prototype for reg_scan_update.
12000 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12002 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12003 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12004 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12005 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12006 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12007 loop-invariant.c, omp-low.c, opts.c, passes.c,
12008 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12009 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12010 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12011 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12012 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12013 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12015 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12017 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12018 * dwarf2out.h: Remove the prototype for
12019 dwarf2out_add_library_unit_info.
12021 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12023 * tree.c (add_var_to_bind_expr): Remove.
12024 * tree.h: Remove the prototype for add_var_to_bind_expr.
12026 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12028 * regclass.c (n_non_fixed_regs): Remove.
12029 (init_reg_sets_1, globalize_reg): Remove all uses of
12031 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12033 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12035 * rtlanal.c (insns_safe_to_move_p): Remove.
12036 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12038 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12040 * expmed.c (expand_mult_add): Remove.
12041 * expr.h: Remove the prototype for expand_mult_add.
12043 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12045 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12046 and REG_SAVED_VAL_EXP constants.
12047 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12048 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12049 Handle regs stored by value.
12050 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12051 (execute_cfa_program): Handle DW_CFA_val_offset,
12052 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12053 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12054 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12055 (uw_install_context_1): Handle target regs stored by value.
12057 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12059 * tree-sra.c (tree_sra): Return todoflags;
12060 (generate_one_element): Set TODO_update_smt_usage if needed.
12061 (pass_sra): Remove TODO_update_smt_usage.
12062 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12064 (tree_ssa_forward_propagate_single_use_vars): Return
12065 TODO_update_smt_usage if we need to update SMT usage.
12066 (pass_forwprop): Remove TODO_update_smt_usage.
12068 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12070 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12071 (correct_use_link): Remove reference to get_stmt_operands.
12072 (update_stmt_operands): Likewise.
12073 (get_modify_expr_operands): New function factored out of
12074 parse_ssa_operands and get_expr_operands.
12075 Try to create V_MUST_DEFs for LHS by default.
12076 (get_expr_operands) <case MODIFY_EXPR>: Call
12077 get_modify_expr_operands.
12078 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12079 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12080 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12081 get_modify_expr_operands.
12083 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12085 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12086 * tree-flow.h: Remove the prototype for
12087 referenced_var_lookup_if_exists.
12089 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12091 PR rtl-optimization/26345
12093 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12095 2006-03-03 Roger Sayle <roger@eyesopen.com>
12097 PR tree-optimization/26524
12098 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12099 fold_convert to create a constant of the appropriate type.
12101 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12103 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12104 SYMBOL_REF_IN_BLOCK_P.
12105 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12106 of SYMBOL_FLAG_IN_BLOCK.
12107 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12108 instead of SYMBOL_REF_IN_BLOCK_P.
12109 * explow.c (use_anchored_address): Likewise.
12110 * rtl.c (rtx_size): Likewise.
12111 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12112 instead of SYMBOL_FLAG_IN_BLOCK.
12113 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12114 SYMBOL_REF_IN_BLOCK_P.
12115 (assemble_variable): Likewise.
12116 (output_constant_def_contents): Likewise.
12117 (output_constant_pool): Likewise.
12118 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12119 instead of SYMBOL_FLAG_IN_BLOCK.
12120 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12121 SYMBOL_REF_IN_BLOCK_P.
12122 (SYMBOL_REF_BLOCK): Likewise.
12123 (SYMBOL_REF_OFFSET): Likewise.
12124 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12125 SYMBOL_REF_IN_BLOCK_P.
12126 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12127 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12128 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12129 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12131 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12133 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12135 2006-03-02 Roger Sayle <roger@eyesopen.com>
12137 * simplify-rtx.c (simplify_unary_operation): When simplifying
12138 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12139 that we perform the right shift in the appropriate mode, and
12140 then extend or truncate the result to requested mode.
12142 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12144 * gengtype.c (main): Handle double_int type.
12145 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12146 * double-int.c: New file.
12147 * double-int.h: New file.
12148 * system.h: Include doubleint.h.
12149 * Makefile.in (SYSTEM_H): Include double-int.h.
12150 (double-int.o): Add.
12152 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12155 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12158 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12160 * tree-vrp.c (remove_range_assertions): Do not update statements
12163 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12165 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12167 * gcse.c (rest_of_handle_gcse): Ditto.
12168 * except.c (gate_handle_eh): Ditto.
12169 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12170 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12172 2006-03-02 Eric Christopher <echristo@apple.com>
12174 * config/i386/i386.c (machopic_output_stub): Add indirection to
12177 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12181 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12183 Sun Niagara specific optimizations.
12184 * config.gcc: Recognize niagara as target.
12185 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12186 (TARGET_CPU_niagara): Define.
12187 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12188 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12189 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12190 (ASM_CPU_SPEC): Likewise.
12191 (PROCESSOR_NIAGARA): New enum entry.
12192 (REGISTER_MOVE_COST): Handle Niagara.
12193 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12194 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12195 (sparc_override_options): Recognize "niagara", set appropriate
12196 default MASK_* values for it, and align functions to 32-bytes
12197 by default just like ULTRASPARC/ULTRASPARC3.
12198 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12199 (sparc64_initialize_trampoline): Likewise.
12200 (sparc_use_sched_lookahead): Use zero for niagara.
12201 (sparc_issue_rate): Use one for niagara.
12202 * config/sparc/niagara.md: New file.
12203 * config/sparc/sparc.md: Include it.
12204 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12205 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12206 when default cpu is niagara.
12207 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12208 (ASM_CPU_SPEC): Likewise.
12209 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12210 when default cpu is niagara.
12211 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12212 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12213 just like v9/ultrasparc/ultrasparc3.
12214 * doc/invoke.texi: Add documentation for "niagara" and improve
12215 existing documentation for ultrasparc variants.
12217 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12219 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12221 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12223 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12224 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12225 and say that only one is needed.
12226 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12227 * target.h (have_switchable_bss_sections): New hook.
12228 * explow.c (use_anchored_address): Check that the symbol is in a block.
12229 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12230 (bss_noswitch_section): New variables.
12231 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12232 (get_noswitch_section): New function.
12233 (get_block_for_section): Allow SECT to be null.
12234 (unlikely_text_section_p): Use SECTION_STYLE.
12235 (bss_initializer_p): New function.
12236 (get_variable_section): Move earlier in file. Take a new argument,
12237 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12238 Return one of the new *_sections in such cases.
12239 (get_block_for_decl): New function, extracting some logic from
12240 use_blocks_for_decl_p.
12241 (change_symbol_section): Remove in favor of...
12242 (change_symbol_block): ...this new function.
12243 (use_blocks_for_decl_p): Remove checks now performed by
12244 get_block_for_decl.
12245 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12246 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12247 (emit_local, emit_bss, emit_common): ...these new functions.
12248 Return true if the alignment was honored.
12249 (emit_tls_common): New function.
12250 (asm_emit_uninitialised): Delete.
12251 (assemble_variable_noswitch): New function, split out from...
12252 (assemble_variable): ...here. Don't make decisions about common
12253 variables here. Globalize all public decls that go into non-common
12254 sections. Check whether SYMBOL_REF_BLOCK is null.
12255 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12256 (output_constant_pool): Likewise.
12257 (init_varasm_once): Initialize the new section variables.
12258 (have_global_bss_p): New function.
12259 (categorize_decl_for_section): Use bss_initializer_p.
12260 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12261 (place_block_symbol): Assert that the symbol must be in a block.
12262 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12263 (TARGET_INITIALIZER): Include it.
12264 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12265 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12266 (SECTION_MACH_DEP): Bump by two.
12267 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12268 (unnamed_section): Mention SECTION_UNNAMED in comment.
12269 (named_section): Likewise SECTION_NAMED.
12270 (noswitch_section_callback): New type.
12271 (noswitch_section): New structure.
12272 (section): Add a noswitch_section alternative.
12273 (SECTION_STYLE): New macro.
12274 (tls_comm_section, comm_section, lcomm_section): Declare.
12275 (bss_noswitch_section, have_global_bss_p): Declare.
12276 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12277 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12279 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12280 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12283 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12285 * tree-vrp.c (execute_vrp): Return value.
12286 * regrename.c (rest_of_handle_regrename): Ditto.
12287 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12288 * tree-complex.c (tree_lower_complex): Ditto.
12289 (tree_lower_complex_O0): Ditto.
12290 * tracer.c (rest_of_handle_tracer): Ditto.
12291 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12292 * postreload.c (rest_of_handle_postreload): Ditto.
12293 * tree-tailcall.c (execute_tail_recursion): Ditto.
12294 (execute_tail_calls): Ditto.
12295 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12296 * tree.h (init_function_for_compilation): Ditto.
12297 * ipa-cp.c (ipcp_driver): Ditto.
12298 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12299 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12300 * final.c (compute_alignments): Ditto.
12301 (rest_of_handle_final): Ditto.
12302 (rest_of_handle_shorten_branches): Ditto.
12303 (rest_of_clean_state): Ditto.
12304 * omp-low.c (execute_expand_omp): Ditto.
12305 (execute_lower_omp): Ditto.
12306 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12307 * ipa-reference.c (static_execute): Ditto.
12308 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12309 * reorg.c (rest_of_handle_delay_slots): Ditto.
12310 (rest_of_handle_machine_reorg): Ditto.
12311 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12312 * flow.c (recompute_reg_usage): Ditto.
12313 (rest_of_handle_remove_death_notes): Ditto.
12314 (rest_of_handle_life): Ditto.
12315 (rest_of_handle_flow2): Ditto.
12316 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12317 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12318 (do_ssa_store_ccp): Ditto.
12319 (execute_fold_all_builtins): Ditto.
12320 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12321 * modulo-sched.c (rest_of_handle_sms): Ditto.
12322 * ipa-pure-const.c (static_execute): Ditto.
12323 * cse.c (rest_of_handle_cse): Ditto.
12324 (rest_of_handle_cse2): Ditto.
12325 * web.c (rest_of_handle_web): Ditto.
12326 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12327 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12328 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12329 * tree-nrv.c (tree_nrv): Ditto.
12330 (execute_return_slot_opt): Ditto.
12331 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12332 (create_structure_vars): Ditto.
12333 * loop-init.c (rtl_loop_init): Ditto.
12334 (rtl_loop_done): Ditto.
12335 (rtl_move_loop_invariants): Ditto.
12336 (rtl_unswitch): Ditto.
12337 (rtl_unroll_and_peel_loops): Ditto.
12338 (rtl_doloop): Ditto.
12339 * gimple-low.c (lower_function_body): Ditto.
12340 (mark_used_blocks): Ditto.
12341 * tree-ssa-sink.c (execute_sink_code): Ditto.
12342 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12343 (cgraph_early_inlining): Ditto.
12344 * global.c (rest_of_handle_global_alloc): Ditto.
12345 * jump.c (cleanup_barriers): Ditto.
12346 (purge_line_number_notes): Ditto.
12347 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12348 (rest_of_handle_if_after_reload): Ditto.
12349 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12350 (tree_ssa_loop_im): Ditto.
12351 (tree_ssa_loop_unswitch): Ditto.
12352 (tree_vectorize): Ditto.
12353 (tree_linear_transform): Ditto.
12354 (tree_ssa_loop_ivcanon): Ditto.
12355 (tree_ssa_empty_loop): Ditto.
12356 (tree_ssa_loop_bounds): Ditto.
12357 (tree_complete_unroll): Ditto.
12358 (tree_ssa_loop_prefetch): Ditto.
12359 (tree_ssa_loop_ivopts): Ditto.
12360 (tree_ssa_loop_done): Ditto.
12361 * predict.c (tree_estimate_probability): Ditto.
12362 * recog.c (split_all_insns_noflow): Ditto.
12363 (rest_of_handle_peephole2): Ditto.
12364 (rest_of_handle_split_all_insns): Ditto.
12365 * tree-eh.c (lower_eh_constructs): Ditto.
12366 * regmove.c (rest_of_handle_regmove): Ditto.
12367 (rest_of_handle_stack_adjustments): Ditto.
12368 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12369 * function.c (instantiate_virtual_regs): Ditto.
12370 (init_function_for_compilation): Ditto.
12371 (rest_of_handle_check_leaf_regs): Ditto.
12372 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12373 (rest_of_handle_gcse): Ditto.
12374 * ipa-type-escape.c (type_escape_execute): Ditto.
12375 * alias.c (rest_of_handle_cfg): Ditto.
12376 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12377 * profile.c (rest_of_handle_branch_prob): Ditto.
12378 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12379 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12380 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12381 * tree-dfa.c (find_referenced_vars): Ditto.
12382 * except.c (set_nothrow_function_flags): Ditto.
12383 (convert_to_eh_region_ranges): Ditto.
12384 (rest_of_handle_eh): Ditto.
12385 * emit-rtl.c (unshare_all_rtl): Ditto.
12386 (remove_unnecessary_notes): Ditto.
12387 * except.h (set_nothrow_function_flags): Ditto.
12388 (convert_to_eh_region_ranges): Ditto.
12389 * cfgexpand.c (tree_expand_cfg): Ditto.
12390 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12391 * tree-ssa-pre.c (do_pre): Ditto.
12392 (execute_fre): Ditto.
12393 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12394 (rest_of_handle_jump2): Ditto.
12395 * tree-sra.c (tree_sra): Ditto.
12396 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12397 (execute_mudflap_function_decls): Ditto.
12398 * tree-ssa-copy.c (do_copy_prop): Ditto.
12399 (do_store_copy_prop): Ditto.
12400 * ipa-prop.h (ipcp_driver): Ditto.
12401 * cfglayout.c (insn_locators_initialize): Ditto.
12402 * tree-ssa-forwprop.c
12403 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12404 * cfglayout.h (insn_locators_initialize): Ditto.
12405 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12406 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12407 (execute_late_warn_uninitialized): Ditto.
12408 * rtl.h (cleanup_barriers): Ditto.
12409 (split_all_insns_noflow): Ditto.
12410 (purge_line_number_notes): Ditto.
12411 (unshare_all_rtl): Ditto.
12412 (remove_unnecessary_notes): Ditto.
12413 (recompute_reg_usage): Ditto.
12414 (variable_tracking_main): Ditto.
12415 * integrate.c (emit_initial_value_sets): Ditto.
12416 * integrate.h (emit_initial_value_sets): Ditto.
12417 * tree-optimize.c (execute_free_datastructures): Ditto
12418 (execute_free_cfg_annotations): Ditto.
12419 (execute_fixup_cfg): Ditto.
12420 (execute_cleanup_cfg_pre_ipa): Ditto.
12421 (execute_cleanup_cfg_post_optimizing): Ditto.
12422 (execute_init_datastructures): Ditto.
12423 * tree-object-size.c (compute_object_sizes): Ditto.
12424 * combine.c (rest_of_handle_combine): Ditto.
12425 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12426 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12427 (rest_of_handle_reorder_blocks): Ditto.
12428 (rest_of_handle_partition_blocks): Ditto.
12429 * var-tracking.c (variable_tracking_main): Ditto.
12430 * tree-profile.c (tree_profiling): Ditto.
12431 * tree-vect-generic.c (expand_vector_operations): Ditto.
12432 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12433 * sched-rgn.c (rest_of_handle_sched): Ditto.
12434 (rest_of_handle_sched2): Ditto.
12435 * basic-block.h (free_bb_insn): Ditto.
12436 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12437 * tree-cfg.c (execute_build_cfg): Ditto.
12438 (remove_useless_stmts): Ditto.
12439 (split_critical_edges): Ditto.
12440 (execute_warn_function_return): Ditto.
12441 (execute_warn_function_noreturn): Ditto.
12442 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12443 * cfgrtl.c (free_bb_for_insn): Ditto.
12444 * passes.c (execute_one_pass): Run additional
12445 todos returned by execute function.
12446 * tree-pass.h (struct tree_opt_pass): Make execute
12449 2006-03-02 Richard Guenther <rguenther@suse.de>
12451 * tree-ssa-alias.c (find_used_portions): Consider taking
12452 the address as making the variable not write-only.
12454 2006-03-02 Nick Clifton <nickc@redhat.com>
12456 * config.gcc (default_use_cxa_atexit): Extend the description of
12457 this configure variable. Set its default value to "yes" for
12458 Linux, NetBSD and ELF targets on the assumption that they will
12459 use C libraries with the __cxa_atexit function.
12461 2006-03-02 Ben Elliston <bje@au.ibm.com>
12463 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12464 parameter as unused to suppress a build warning.
12466 2006-03-02 Ben Elliston <bje@au.ibm.com>
12468 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12471 2006-03-01 Roger Sayle <roger@eyesopen.com>
12474 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12475 declared name, the weak reference name, and the typeof name.
12476 (__gthrw): Avoid expanding the declared name suffix.
12477 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12479 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12481 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12483 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12484 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12485 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12486 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12487 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12488 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12489 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12490 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12491 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12492 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12493 (DW_END_default, DW_END_big, DW_END_little): New.
12494 (DW_END_lo_user, DW_END_hi_user): Define.
12495 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12496 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12497 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12500 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12502 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12504 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12506 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12508 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12510 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12511 to 'symbol_mem_tag'.
12513 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12516 2006-03-01 Roger Sayle <roger@eyesopen.com>
12518 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12520 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12523 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12524 MACHO_DYNAMIC_NO_PIC_P.
12525 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12527 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12530 * config/darwin-protos.h (darwin_asm_output_anchor):
12532 * config/darwin-sections.def (cstring_section):
12533 Add SECTION_MERGE to the flags.
12534 (literal4_section): Likewise.
12535 (literal8_section): Likewise.
12536 (objc_selector_refs_section): Likewise.
12537 (objc_cls_refs_section): Likewise.
12538 * config/darwin.c (darwin_asm_output_anchor): New
12540 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12542 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12544 Fix PR tree-optimization/26443
12545 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12546 to todo and PROP_tmt_usage to properties_destroyed.
12547 * tree-ssa-ccp.c (pass_ccp): Ditto.
12548 (pass_store_ccp): Ditto.
12549 * tree-ssa-dom.c (pass_dominator): Ditto.
12551 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12553 * tree-ssa-operands.c: Cleanup whitespace.
12554 (get_asm_expr_operands): Move before first invocation.
12555 (get_indirect_ref_operands): Likewise.
12556 (get_tmr_operands): Likewise.
12557 (get_call_expr_operands): Likewise.
12558 (append_def): Likewise.
12559 (append_use): Likewise.
12560 (append_v_may_def): Likewise.
12561 (append_v_must_def): Likewise.
12562 (add_call_clobber_ops): Likewise.
12563 (add_call_read_ops): Likewise.
12564 (add_stmt_operand): Likewise.
12565 (add_virtual_operand): Likewise.
12566 (build_ssa_operands): Likewise.
12568 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12570 PR middle-end/26022
12572 PR middle-end/24437
12573 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12574 with a call expr to ...
12575 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12577 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12579 * tree-vrp.c (extract_range_from_assert): Remove special
12580 handling for types with super-types.
12582 2006-03-01 Ben Elliston <bje@au.ibm.com>
12584 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12585 and powerpc64-*-linux* configurations.
12586 * config/t-dfprules: New file.
12588 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12589 Compile dfp-bit.c from the source directory using -DWIDTH and
12590 $DFP_CFLAGS to control the compilation of that file, rather than
12591 generating width-specific versions in the build directory.
12592 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12593 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12595 2006-02-28 Zack Weinberg <zackw@panix.com>
12597 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12600 2006-02-28 Eric Christopher <echristo@apple.com>
12602 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12603 Set up IN_LIBGCC definition of TARGET_64BIT.
12604 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12606 2006-02-28 Roger Sayle <roger@eyesopen.com>
12608 PR middle-end/14752
12609 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12610 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12611 cases via the construction of "expr != 0".
12613 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12615 * alias.c (alias_invariant, alias_invariant_size): Remove.
12616 (record_base_value): Remove.
12617 (memrefs_conflict_p): Don't look at alias_invariant.
12618 (end_alias_analysis): Don't free it.
12619 * alias.h (record_base_value): Remove prototype.
12621 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12622 Adam Nemet <anemet@caviumnetworks.com>
12624 * rtl.h (truncated_to_mode): Declare it.
12625 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12626 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12627 (RTL_HOOKS_INITIALIZER): Include it.
12628 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12629 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12630 reg_truncated_to_mode.
12631 * rtlanal.c (truncated_to_mode): Define it.
12632 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12634 2006-02-28 Jeff Law <law@redhat.com>
12636 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12637 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12638 the range allowed by TYPE_PRECISION.
12640 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12642 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12644 PR tree-optimization/26419
12645 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12648 2006-02-27 Zack Weinberg <zackw@panix.com>
12650 * doc/md.texi: Fix typo in previous change.
12652 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12656 2006-02-27 Zack Weinberg <zackw@panix.com>
12658 * rtl.def (define_constraint, define_register_constraint)
12659 (define_memory_constraint, define_address_constraint): New MD forms.
12660 * gensupport.c (process_rtx): Put define_constraint etc on the
12662 * genpreds.c (process_define_predicate): Adjust comment. Validate
12663 the name, and call validate_exp to validate the expression.
12664 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12665 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12666 all callers changed.
12667 (validate_exp, needs_variable, struct constraint_data)
12668 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12669 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12670 (const_dbl_constraints, constraint_max_namelen)
12671 (have_register_constraints, have_memory_constraints)
12672 (have_address_constraints, have_address_constraints)
12673 (have_extra_constraints, have_const_int_constraints)
12674 (have_const_dbl_constraints, mangle, add_constraint)
12675 (process_define_constraint, process_define_register_constraint)
12676 (write_enum_constraint_num, write_lookup_constraint)
12677 (write_insn_constraint_len, write_regclass_for_constraint)
12678 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12679 (write_insn_extra_memory_constraint)
12680 (write_insn_extra_address_constraint)
12681 (write_satisfies_constraint_fns): New.
12682 (write_tm_preds_h): If we have new-style constraint definitions,
12683 prototype the functions generated from them, and define the
12684 old constraint interface (still used by generic code) in terms of
12686 (write_insn_preds_c): If we have new-style constraint definitions,
12687 generate all relevant functions from those definitions.
12688 (main): Handle define_constraint etc.
12689 * genoutput.c (struct constraint_data, indep_constraints)
12690 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12691 (mdep_constraint_len): New data structures and functions, defined
12692 #ifdef USE_MD_CONSTRAINTS.
12693 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12694 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12695 use new logic to validate operand constraints against constraint
12697 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12699 * defaults.h: If none of the old-style constraint macros are
12700 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12701 old-style macros; and poison REG_CLASS_FROM_LETTER,
12702 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12704 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12705 * doc/md.texi: Document new constraint-definition mechanism and the
12706 C interface it provides. Remove references to old mechanism
12707 elsewhere in the document.
12708 (Machine Constraints): Use pathnames relative to gcc directory,
12709 i.e. config/ARCH/FILE. Change i386 section to refer to
12710 config/i386/predicates.md; update that section to match docstrings.
12711 * doc/tm.texi: Move all documentation of the old constraint-
12712 definition macros to their own section, clearly mark as obsolete.
12714 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12715 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12717 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12718 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12719 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12720 constraint strings.
12721 (splits and peepholes): Use satisfies_constraint_*.
12722 * config/i386/i386.c (memory_address_length)
12723 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12725 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12727 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12728 scalar operation to be put back into the loop.
12730 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12733 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12734 (extract_cie_info): Handle S flag in augmentation string.
12735 (execute_cfa_program): If context->signal_frame, execute also
12736 fs->pc == context->ra instructions.
12737 (uw_frame_state_for): If context->signal_frame, don't subtract one
12738 from context->ra to find FDE.
12739 (uw_update_context_1): Set context->signal_frame to
12741 (_Unwind_GetIPInfo): New function.
12742 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12743 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12745 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12746 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12747 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12748 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12749 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12750 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12751 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12752 x86_64_fallback_frame_state): Set fs->signal_frame.
12753 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12754 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12755 (frob_update_context): Likewise. Workaround missing S flag in
12756 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12757 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12758 Remove the psw_addr + 1 hack.
12760 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12762 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12763 with aggregates here.
12764 (find_func_aliases): Remove code for &<aggregate> from here.
12766 2006-02-26 Roger Sayle <roger@eyesopen.com>
12768 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12769 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12770 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12771 as (X & C) ne/eq 0.
12773 2006-02-26 Roger Sayle <roger@eyesopen.com>
12775 PR middle-end/19983
12776 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12778 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12780 * opts.c (decode_options): Do not handle flag_strength_reduce.
12781 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12782 and OPT_fstrength_reduce.
12783 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12784 flag_prefetch_loop_arrays for being nonzero.
12785 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12787 (fprefetch-loop-arrays-rtl): Removed.
12788 (flag_prefetch_loop_arrays): Do not specify the value.
12790 * doc/passes.texi: Update documentation of loop optimizer
12792 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12793 -frerun-loop-opt): Remove.
12795 2006-02-26 Richard Guenther <rguenther@suse.de>
12797 PR tree-optimization/26421
12798 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12799 in function calls that are ADDR_EXPRs as using the whole structure.
12801 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12803 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12804 * tree-pass.h (pass_loop_optimize): Remove.
12805 * passes.c (pass_loop_optimize): Never run it.
12806 * toplev.c (backend_init): Don't call init_loop.
12807 * opts.c (flag_loop_optimize_set): Remove.
12808 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12809 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12810 the old RTL loop optimizer when profiling enabled.
12811 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12812 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12813 pre-headers for the sake of the old RTL loop optimizer.
12814 * Makefile.in: Remove all references to loop.o.
12816 * doc/invoke.texi: Remove all references to -floop-optimize
12817 and -frerun-loop-opt.
12819 2006-02-26 Zack Weinberg <zackw@panix.com>
12821 * doc/md.texi (Machine Constraints): Refer to all files with paths
12822 relative to gcc directory (i.e. config/CPU/file). Add missing
12823 @table @code ... @end table to M32C subsection.
12825 2006-02-26 Roger Sayle <roger@eyesopen.com>
12827 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12829 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12831 2006-02-26 Roger Sayle <roger@eyesopen.com>
12832 James A. Morrison <phython@gcc.gnu.org>
12834 PR middle-end/21137
12835 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12836 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12837 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12838 signedness of the shift operation.
12840 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12842 PR tree-optimization/26359
12843 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12845 2006-02-25 Roger Sayle <roger@eyesopen.com>
12847 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12848 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12849 as X == 0, and some symmetry related transformations.
12850 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12852 2006-02-25 Roger Sayle <roger@eyesopen.com>
12854 PR middle-end/23673
12855 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12856 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12857 symmetry related transformations. Fold (X^C1) == C2 as
12860 2006-02-25 Juergen Weigert <jw@suse.de>
12861 Richard Guenther <rguenther@suse.de>
12863 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12865 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12867 * combine.c (gen_lowpart_or_truncate): Call
12868 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12870 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12872 * doc/invoke.texi: Move -fopenmp description to "Options for
12874 Remove reference to -lgomp.
12876 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12878 * doc/install.texi: Require GNU tar version 1.14.
12880 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12882 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12883 * doc/invoke.texi (C++ Dialect Options): Document
12884 -fno-use-cxa-get-exception-ptr.
12885 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12886 * configure: Regenerate.
12887 * c.opt (fuse-cxa-get-exception-ptr): New.
12888 * c-opts.c (c_common_handle_option): Handle
12889 OPT_fuse_cxa_get_exception_ptr.
12890 * c-common.c (flag_use_cxa_atexit): Update documentation.
12891 (flag_use_cxa_get_exception_ptr): New.
12892 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12893 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12895 (C_COMMON_OVERRIDE_OPTIONS): New.
12897 2006-02-24 Roger Sayle <roger@eyesopen.com>
12899 PR middle-end/24952
12900 * combine.c (try_combine): Explicitly check whether GET_CODE is
12901 a SET or a CLOBBER, instead on checking that it isn't a USE.
12903 2006-02-24 Roger Sayle <roger@eyesopen.com>
12905 * fold-const.c (fold_comparison): New subroutine of fold_binary
12906 containing transformations common to both the equality and
12907 ordering relational operators, factored out of fold_binary.
12908 (fold_binary): Separate out the equality operators (EQ_EXPR
12909 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12910 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12911 transformations common to both.
12912 (fold_div_compare): Fix latent bugs in the previously unreachable
12913 LT_EXPR and GE_EXPR cases.
12915 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12917 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12918 decl libname for clog to __clog on AIX.
12920 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12922 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12925 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12926 output traceback table for thunks. Localise rs6000_stack_info call.
12928 2006-02-23 Roger Sayle <roger@eyesopen.com>
12929 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12931 * gthr-posix.h (__gthrw): Fix typo in comment.
12933 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12935 * doc/cpp.texi (Character sets): Document that we do support
12936 input files to be in any character set.
12938 2006-02-23 Jeff Law <law@redhat.com>
12940 * tree.h (PHI_ARG_NONZERO): Remove.
12941 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12942 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12943 node to the new node.
12945 PR tree-optimization/26425
12946 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12947 min/max, then assume its varying.
12949 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12951 PR rtl-optimization/26316
12952 * rtlanal.c (enum may_trap_p_flags): New.
12953 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12954 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12955 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12956 (may_trap_after_code_motion_p): New function.
12957 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12958 (find_invariant_insn): Use may_trap_after_code_motion_p.
12959 * rtl.h (may_trap_after_code_motion_p): Declare.
12961 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12963 * emit-rtl.c (immed_double_const): Cleanup.
12965 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12967 Fix PR tree-optimization/26376
12968 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12971 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12973 PR middle-end/26412
12974 * gimplify.c (omp_add_variable): Guard variable size decl test with
12975 DECL_SIZE (decl) check.
12977 2006-02-23 Richard Guenther <rguenther@suse.de>
12979 PR middle-end/26439
12980 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12981 like aggregate types.
12983 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12985 * configure.ac: Add --with{,out}-long-double-128 configure option.
12986 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12987 * configure: Rebuilt.
12988 * config.in: Rebuilt.
12989 * doc/install.texi (Options specification): Document
12990 --with-long-double-128.
12992 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12993 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12994 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12995 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12997 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12999 * config/s390/s390.c (override_options): Handle
13000 TARGET_DEFAULT_LONG_DOUBLE_128.
13002 * config/alpha/alpha.c (override_options): Handle
13003 TARGET_DEFAULT_LONG_DOUBLE_128.
13005 * config/sparc/sparc.c (sparc_override_options): Handle
13006 TARGET_DEFAULT_LONG_DOUBLE_128.
13008 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13010 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13011 (real-install-headers-tar, real-install-headers-cpio)
13012 (real-install-headers-cp): New targets.
13014 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13016 * tree.h (variable_section): Delete.
13017 * varasm.c (variable_section): Delete.
13019 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13021 * install.texi: Add notes on install.texi2html.
13022 (Building in parallel): Do not use footnotes.
13024 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13027 * doc/install.texi (Configuration): Document --disable-libgomp.
13029 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13031 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13033 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13035 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13036 (vec_extractv2df_0_sse): New.
13038 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13040 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13041 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13042 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13043 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13044 to the result of the expression.
13045 (def_cfa_1): Adjust.
13046 (frame_pointer_cfa_offset): Rename to...
13047 (frame_pointer_fb_offset): ... this. Adjust all uses.
13048 (convert_cfa_to_loc_list): Rename to...
13049 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13050 Pass it on to build_cfa_loc.
13051 (compute_frame_pointer_to_cfa_displacement): Rename to...
13052 (compute_frame_pointer_to_fb_displacement): ... this. New
13053 offset parameter. Use it in computation.
13054 (gen_subprogram_die): Compute cfa_fb_offset with the new
13055 macro, and use it to compute the fb loc list and the
13058 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13060 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13061 replaced with register_operand.
13062 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13063 non-DREG is expensive.
13064 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13065 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13068 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13070 * doc/install.texi2html: Use set -e.
13072 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13074 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13075 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13076 * doc/invoke.texi (-fshared-data): Delete.
13077 * common.opt (fshared-data): Delete.
13078 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13079 (assemble_static_space): Remove #if 0 code.
13080 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13081 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13082 * config/cris/cris.h: Remove FIXME.
13084 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13086 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13089 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13091 PR middle-end/26379
13092 * combine.c (simplify_shift_const_1): Disable nested shifts
13093 optimization for vector shifts.
13095 2006-02-20 Roger Sayle <roger@eyesopen.com>
13097 PR tree-optimization/26361
13098 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13099 of unsigned integer types.
13101 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13103 * tree-chrec.c (eq_evolutions_p): New.
13104 * tree-chrec.h (eq_evolutions_p): Declared.
13105 * tree-data-ref.c: Fix formatting.
13106 (datadep_stats, dependence_stats): New.
13108 (print_direction_vector): New.
13109 (dump_data_dependence_relation): Use print_direction_vector.
13110 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13111 (compute_subscript_distance): Static.
13112 (initialize_data_dependence_relation): Static. Get the number
13113 of loops surrounding the references from the callers, and initialize
13114 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13115 base_object_differ_p analyzers.
13116 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13117 compute_overlap_steps_for_affine_1_2,
13118 analyze_subscript_affine_affine): Count the classified dependences.
13119 Print a message when a test failed.
13120 (can_use_analyze_subscript_affine_affine): New.
13121 (analyze_siv_subscript): Compute the data dependences on symbolic
13122 scevs that verify can_use_analyze_subscript_affine_affine.
13123 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13124 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13125 Handle symbolic scevs.
13126 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13128 (subscript_dependence_tester): Moved...
13129 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13130 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13131 DDR_SIZE_VECT instead of getting it in parameter.
13132 (subscript_dependence_tester): ... here. Take as a parameter
13133 loop_nest_depth. Call build_classic_dist_vector and
13134 build_classic_dir_vector.
13135 (compute_affine_dependence): Update subscript_dependence_tester
13136 parameters. Update datadep_stats counters. Call
13137 compute_subscript_distance.
13138 (compute_self_dependence): Save the dist and dir vectors. Call
13139 compute_subscript_distance.
13140 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13141 (compute_all_dependences): Reorder parameters as they were before
13142 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13143 compute_subscript_distance. Update the use of
13144 compute_affine_dependence and initialize_data_dependence_relation.
13145 (find_data_references_in_loop): Handle COMPONENT_REF.
13146 (compute_data_dependences_for_loop): Initialize dependence_stats.
13147 Don't call build_classic_dist_vector and build_classic_dir_vector.
13148 Update the parameters of initialize_data_dependence_relation and
13149 compute_all_dependences. Print the statistics from datadep_stats.
13150 (analyze_all_data_dependences): Static. Not used until the pass for
13151 checking the data dependences is contributed.
13152 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13153 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13154 (initialize_data_dependence_relation, compute_affine_dependence,
13155 analyze_all_data_dependences, compute_subscript_distance): Removed.
13156 (print_direction_vector): New.
13157 * lambda.h (gcd): ... here.
13158 (lambda_vector_gcd): Moved here from gcd_vector.
13159 * lambda-code.c (gcd, gcd_vector): Removed.
13160 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13161 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13163 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13165 * ipa-type-escape.c: Tidy some comments and white space.
13166 * tree-ssa-operands.c: Likewise.
13168 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13171 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13172 (dump_decl_name): Do not walk the decl tree chains.
13173 * tree-pass.h (TDF_CHAIN): Remove.
13175 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13177 * Makefile.in (C): Remove
13179 (.PHONY): Remove C and PROTO
13181 2006-02-20 Roger Sayle <roger@eyesopen.com>
13183 PR middle-end/26236
13184 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13185 deprecated CHAR_TYPE tree code.
13187 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13189 * configure.ac (target_list): Add install-info, dvi, html.
13190 * configure: Regenerate.
13192 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13193 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13194 treelang/Make-lang.in: Do not use double-colon rules.
13196 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13198 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13199 (TMT_USED_ALONE): New macro.
13200 * tree-pass.h (PROP_tmt_usage): New property.
13201 (TODO_update_tmt_usage): New todo.
13202 * tree-ssa-alias.c (updating_used_alone): New variable.
13203 (recalculate_used_alone): New function.
13204 (compute_may_aliases): Set updating_used_alone, call
13205 recalculate_used_alone.
13206 * tree-sra.c (pass_sra): Note that this pass destroys
13207 PROP_tmt_usage, and add TODO_update_tmt_usage.
13208 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13209 * tree-flow.h (updating_used_alone): Prototype.
13210 (recalculate_used_alone): Ditto.
13211 * passes.c (execute_todo): Add code to set updating_used_alone,
13212 and call recalculate.
13213 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13214 for clobber if used alone, and add assert to verify used_alone
13217 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13219 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13220 for non tls symbols added.
13221 (legitimize_address): Do nothing for PLUS expressions if one of the
13222 addends is a tls symbol reference.
13224 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13228 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13230 * Makefile.in (BOOTSTRAPPING): New.
13231 (quickstrap): New definition if BOOTSTRAPPING=yes.
13233 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13234 * configure.ac: Substitute all_selected_languages with the languages
13235 that were configured. For all the other variables except
13236 lang_specs_files, include all the languages in the tree.
13237 * configure: Regenerate.
13239 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13240 if there is one. Run the commands to run fixincludes in the same
13243 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13244 * doc/install.texi: Document exact conventions for searching target tools.
13245 Document --with-build-time-tools. Document toplevel bootstrap. Document
13246 something more about building an Ada cross-compiler. Don't list GNU Make
13247 requirements which affect all platforms.
13249 2006-02-19 Roger Sayle <roger@eyesopen.com>
13251 PR middle-end/19543
13252 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13253 only equivalent if the have both the same mode and precision.
13255 2006-02-20 Ben Elliston <bje@au.ibm.com>
13257 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13259 2006-02-19 Roger Sayle <roger@eyesopen.com>
13260 Steven Bosscher <stevenb.gcc@gmail.com>
13262 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13263 constant pool references to identify stack mode constants.
13264 * rtlanal.c (constant_pool_constant_p): New predicate to check
13265 whether operand is a floating point constant in the pool.
13266 * rtl.h (constant_pool_constant_p): Prototype here.
13267 * loop.c (scan_loop): Avoid hoisting constants from the constant
13268 pool on STACK_REGS targets.
13269 (load_mems): Likewise.
13270 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13271 loads into x87 registers expensive in terms of register pressure.
13273 2006-02-19 Roger Sayle <roger@eyesopen.com>
13275 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13276 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13278 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13280 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13281 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13283 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13285 * doc/invoke.texi: Document -fipa-pta.
13286 * common.opt: Add ipa-pta option.
13287 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13288 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13289 (do_ds_constraint): Ditto.
13290 (get_constraint_for): Only add to referenced_vars if
13291 referenced_vars exists.
13292 (insert_into_field_list): Rewrite to do this unsorted.
13293 (insert_into_field_list_sorted): Rename old insert_into_field_list
13295 (create_function_info_for): Use insert_into_field_list_sorted.
13296 (create_variable_info_for): Rewrite so it uses unsorted version,
13297 since the field list is sorted.
13298 (intra_create_variable_infos): Only add to referenced_vars if
13299 referenced_vars exists.
13300 (ipa_pta_execute): Init heapvars, and delete when done.
13301 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13303 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13305 * doc/install.texi: Add missing `@samp'.
13307 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13309 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13312 2006-02-18 Mark Wielaard <mark@klomp.org>
13314 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13315 who added new 4.1 features, bug fixes and integration support.
13317 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13320 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13321 MEM for ABI_V4 pic.
13323 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13325 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13326 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13327 (copy_insn_1): Likewise. Don't copy each field individually.
13329 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13331 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13332 * rtl.c (rtx_size): Rename variable to...
13333 (rtx_code_size): ...this.
13334 (rtx_size): New function.
13335 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13336 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13338 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13339 * rtl.h (rtx_code_size): New variable.
13340 (rtx_size): Change from a variable to a function.
13341 (RTX_SIZE): Rename to...
13342 (RTX_CODE_SIZE): ...this.
13345 PR tree-optimization/17106
13346 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13347 (Anchored Addresses): New section.
13348 * doc/invoke.texi (-fsection-anchors): Document.
13349 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13350 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13351 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13352 * hooks.c (hook_bool_mode_rtx_false): New function.
13353 * hooks.h (hook_bool_mode_rtx_false): Declare.
13354 * gengtype.c (create_optional_field): New function.
13355 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13356 SYMBOL_REF_IN_BLOCK_P is true.
13357 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13358 (min_anchor_offset, max_anchor_offset): Likewise.
13359 (use_anchors_for_symbol_p): New hook.
13360 * toplev.c (compile_file): Call output_object_blocks.
13361 (target_supports_section_anchors_p): New function.
13362 (process_options): Check that -fsection-anchors is only used on
13363 targets that support it and when -funit-at-a-time is in effect.
13364 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13365 if the decl doesn't have one.
13366 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13367 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13368 of force_const_mem through use_anchored_address.
13369 (expand_expr_constant): New function.
13370 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13371 calling expand_expr for INDIRECT_REF.
13372 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13373 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13374 * expr.h (use_anchored_address): Declare.
13375 * loop-unroll.c: Don't declare rtx vectors here.
13376 * explow.c: Include output.h.
13377 (validize_mem): Call use_anchored_address.
13378 (use_anchored_address): New function.
13379 * common.opt (-fsection-anchors): New switch.
13380 * varasm.c (object_block_htab, anchor_labelno): New variables.
13381 (hash_section, object_block_entry_eq, object_block_entry_hash)
13382 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13383 (use_blocks_for_decl_p, change_symbol_section): New functions.
13384 (get_variable_section): New function, split out from assemble_variable.
13385 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13386 use_blocks_for_decl_p say so. Use change_symbol_section if the
13387 symbol has already been created.
13388 (assemble_variable_contents): New function, split out from...
13389 (assemble_variable): ...here. Don't output any code for
13390 block symbols; just pass them to place_block_symbol.
13391 Use get_variable_section and assemble_variable_contents.
13392 (get_constant_alignment, get_constant_section, get_constant_size): New
13393 functions, split from output_constant_def_contents.
13394 (build_constant_desc): Create a block symbol if use_object_blocks_p
13395 says so. Or into SYMBOL_REF_FLAGS.
13396 (assemble_constant_contents): New function, split from...
13397 (output_constant_def_contents): ...here. Don't output any code
13398 for block symbols; just pass them to place_section_symbol.
13399 Use get_constant_section and get_constant_alignment.
13400 (force_const_mem): Create a block symbol if use_object_blocks_p and
13401 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13402 (output_constant_pool_1): Add an explicit alignment argument.
13403 Don't switch sections here.
13404 (output_constant_pool): Adjust call to output_constant_pool_1.
13405 Switch sections here instead. Don't output anything for block symbols;
13406 just pass them to place_block_symbol.
13407 (init_varasm_once): Initialize object_block_htab.
13408 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13409 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13410 (place_block_symbol, get_section_anchor, output_object_block)
13411 (output_object_block_htab, output_object_blocks): New functions.
13412 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13413 (TARGET_ASM_OUT): Include it.
13414 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13415 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13416 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13417 (TARGET_INITIALIZER): Include them.
13418 * rtl.c (rtl_check_failed_block_symbol): New function.
13419 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13420 (block_symbol, object_block): New structures.
13421 (rtx_def): Add a block_symbol field to the union.
13422 (BLOCK_SYMBOL_CHECK): New macro.
13423 (rtl_check_failed_block_symbol): Declare.
13424 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13425 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13426 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13427 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13428 * output.h (output_section_symbols): Declare.
13429 (object_block): Name structure.
13430 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13431 (default_use_anchors_for_symbol_p): Declare.
13432 * Makefile.in (RTL_BASE_H): Add vec.h.
13433 (explow.o): Depend on output.h.
13434 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13435 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13436 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13437 (rs6000_use_blocks_for_constant_p): New function.
13439 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13441 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13443 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13446 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13449 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13451 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13455 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13457 PR middle-end/26334
13458 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13459 instead of DECL_REGISTER.
13461 2006-02-18 Olivier Hainque <hainque@adacore.com>
13464 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13466 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13469 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13470 * opth-gen.awk: Handle Var and InverseMask together.
13471 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13472 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13473 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13474 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13476 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13477 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13478 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13479 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13480 LINUX_DYNAMIC_LINKER): Define.
13481 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13482 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13484 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13485 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13486 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13488 (TARGET_C99_FUNCTIONS): Don't define.
13489 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13490 GLIBC_DYNAMIC_LINKER.
13491 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13492 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13493 GLIBC_DYNAMIC_LINKER64): Define.
13494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13495 LINUX_DYNAMIC_LINKER64.
13496 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13498 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13500 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13502 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13503 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13504 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13506 and LINUX_DYNAMIC_LINKER32.
13507 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13509 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13511 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13513 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13514 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13515 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13516 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13517 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13518 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13519 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13520 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13521 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13522 LINUX_DYNAMIC_LINKER): Define.
13523 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13524 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13525 GLIBC_DYNAMIC_LINKER64): Define.
13526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13527 LINUX_DYNAMIC_LINKER64.
13528 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13529 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13530 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13531 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13532 LINUX_DYNAMIC_LINKER): Define.
13533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13534 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13535 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13536 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13537 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13538 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13539 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13540 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13541 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13542 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13543 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13544 * doc/invoke.texi (-muclibc): Remove caveat about supported
13547 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13549 * doc/cpp.texi (__TIMESTAMP__): Document.
13551 2006-02-17 Roger Sayle <roger@eyesopen.com>
13553 PR middle-end/25600
13554 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13555 C is one less than the width of X (and related transformations).
13556 * simplify-rtx.c (simplify_unary_operation_1): Transform
13557 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13558 depending on STORE_FLAG_VALUE, were C is one less then the
13561 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13563 Fix PR tree-optimization/26341
13564 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13565 about NAME_MEMORY_TAG's.
13567 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13570 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13571 with hardware float support, and software float support. Add fcpy
13572 alternative to hardware patterns. Add alternatives to copy between
13573 general and floating-point registers to the 32-bit pattern.
13574 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13575 secondary reload to load a QI or HI mode constant into a floating
13577 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13578 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13580 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13583 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13585 (load_macho_picbase_di): Likewise.
13587 2006-02-16 Jeff Law <law@redhat.com>
13589 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13590 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13591 (ssa_name_nonzero_p): Likewise.
13592 (get_value_range): Return NULL if VRP is not running.
13593 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13594 VRP routines do not discover a range.
13595 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13596 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13597 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13598 (tree_expr_nonnegative_p): Similarly.
13599 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13600 (restore_nonzero_vars_to_original_value): Remove.
13601 (unsafe_associative_fp_binop): Remove.
13602 (tree_ssa_dominator_optimize): Remove initialization and
13603 finalization of nonzero_vars and nonzero_vars_stack.
13604 (dom_opt_initialize_block): No longer push marker on
13605 nonzero_vars_stack.
13606 (dom_opt_finalize_block): No longer call
13607 restore_nonzero_vars_to_original_value.
13608 (record_equivalences_from_phis): No longer look for
13609 nonzero PHI arguments.
13610 (cprop_into_successor_phis): No longer propagate nonzero
13611 property into PHI arguments. Lose unused argument. Caller
13613 (record_equivalences_from_stmt): No longer record nonzero
13614 values for SSA_NAMEs.
13615 (lookup_avail_expr): No longer use nonzero_vars.
13617 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13618 for sizetype when sizetype is unsigned.
13620 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13622 PR rtl-optimization/25603
13623 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13624 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13625 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13626 with new meaning of SETS.
13628 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13633 * config/linux.opt: New file.
13634 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13635 LINUX_DYNAMIC_LINKER): Define.
13636 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13637 * config.gcc (*-*-linux*): Define extra_options.
13638 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13639 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13640 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13641 GLIBC_DYNAMIC_LINKER.
13642 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13643 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13644 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13646 * doc/invoke.texi (GNU/Linux Options): New section.
13648 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13650 * config/sparc/sparc.md (setjmp): Rewrite.
13651 (setjmp_32): Delete.
13652 (setjmp_64): Likewise.
13654 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13656 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13659 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13661 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13664 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13666 PR rtl-optimization/26296
13667 * Makefile.in (loop-invariant.c): Add except.h dependency.
13668 * loop-invariant.c: Include except.h.
13669 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13671 2005-02-16 Paul Brook <paul@codesourcery.com>
13673 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13676 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13678 PR rtl-optimization/25636
13679 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13680 when deciding whether an insn is an initializing insn.
13682 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13684 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13685 (tree_code_size): Ditto.
13686 * tree.h (struct tree_memory_tag): Remove parent_var.
13687 (struct tree_struct_field_tag): New.
13690 (union tree_node): Add sft member.
13691 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13693 (create_sft): Add size and offset argument, set SFT_OFFSET and
13695 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13696 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13697 * tree-flow-inline.h (get_subvar_at): Update for
13698 SFT_OFFSET/SFT_SIZE.
13699 (var_can_have_subvars): Ditto.
13700 (overlap_subvar): Ditto.
13701 * print-tree.c (print_node): Print out interesting things for
13703 * tree-flow.h (struct subvar): Remove offset and size members.
13704 * tree-ssa-operands.c (get_expr_operands): Update for
13705 get_indirect_ref_operands changes.
13706 (get_indirect_ref_operands): Call add_virtual_operand instead of
13707 add_stmt_operand. Only recurse on base var if requested.
13708 (access_can_touch_variable): New function.
13709 (add_stmt_operand): Split virtual operand handling into ...
13710 (add_virtual_operand): Here. Add offset, size, and for_clobber
13711 arguments. Prune alias sets.
13712 (add_call_clobber_ops): Call add_virtual_operand.
13714 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13716 PR middle-end/26300
13717 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13719 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13720 than TREE_CODE as index into omp_clause_num_ops array.
13722 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13724 PR rtl-optimization/26184
13725 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13727 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13728 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13729 must_precede, must_follow and tobe_scheduled.
13732 * opts.c (common_handle_option): Free new_option pointer.
13733 * df-core.c (df_analyze): Free postorder pointer.
13735 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13737 * Makefile.in: Fix the examples about the use of stamps
13739 2006-02-15 Michael Matz <matz@suse.de>
13741 PR middle-end/22275
13743 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13744 influenced by maximum_field_alignment or DECL_PACKED.
13745 (update_alignment_for_field): Ditto.
13746 (place_field): Ditto.
13747 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13750 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13752 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13753 (debug_flow_info): Pass it.
13754 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13755 * bb-reorder.c (reorder_basic_blocks): Likewise.
13756 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13757 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13758 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13759 * gcse.c (gcse_main, bypass_jumps): Likewise.
13760 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13761 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13762 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13763 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13764 * rtl.h (dump_flow_info): Adjust prototype.
13765 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13766 * var-tracking.c (variable_tracking_main): Likewise.
13767 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13768 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13771 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13773 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13776 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13778 PR tree-optimization/26209
13779 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13780 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13782 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13784 2006-02-14 Roger Sayle <roger@eyesopen.com>
13786 PR middle-end/23670
13787 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13788 (X,Y) and the corresponding symmetry related transformations.
13789 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13790 (X,Y) and its symmetry related transformations.
13792 2006-02-14 Roger Sayle <roger@eyesopen.com>
13794 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13797 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13799 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13801 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13804 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13805 support COMDAT group.
13806 * configure: Regenerate.
13808 2006-02-14 Roger Sayle <roger@eyesopen.com>
13810 PR middle-end/26279
13811 PR middle-end/26280
13812 PR middle-end/26283
13813 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13815 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13817 Fix PR tree-optimization/26260
13819 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13821 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13822 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13823 * tree-ssa-structalias.c (create_variable_info_for): Use
13824 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13826 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13828 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13830 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13831 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13832 of the ending condition.
13833 * tree-ssa-loop-manip.c: Include params.h.
13834 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13835 tree_unroll_loop): New functions.
13836 * tree-pass.h (pass_loop_prefetch): Declare.
13837 * loop.c (rest_of_handle_loop_optimize): Test for
13838 -fprefetch-loop-arrays-rtl.
13839 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13840 * timevar.def (TV_TREE_PREFETCH): New timevar.
13841 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13842 pass_loop_prefetch): New.
13843 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13844 (cleanup_tree_cfg_loop): Call scev_reset.
13845 * common.opt (fprefetch-loop-arrays-rtl): Add.
13846 * tree-ssa-loop-prefetch.c: New file.
13847 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13848 (new_temp_expr_table): Initialize expr_vars.
13849 (free_temp_expr_table): Cleanup expr_vars.
13850 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13851 expressions from being merged into one.
13852 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13853 (struct tree_niter_desc): Add control, bound and cmp fields.
13854 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13856 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13857 (tree-cfgcleanup.o): Add SCEV_H dependency.
13858 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13859 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13861 2006-02-14 Richard Guenther <rguenther@suse.de>
13863 PR tree-optimization/26258
13864 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13865 in PHI argument processing.
13867 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13869 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13870 new expression in the requested machine mode.
13872 2006-02-13 Roger Sayle <roger@eyesopen.com>
13874 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13875 directly, instead let do_compare_rtx_and_jump handle this for us.
13876 * expr.c (expand_expr_real_1): Likewise.
13877 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13878 before do_jump_by_parts_greater.
13879 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13880 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13882 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13884 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13886 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13888 PR rtl-optimization/26235
13889 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13890 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13893 2006-02-13 Jeff Law <law@redhat.com>
13895 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13898 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13900 PR middle-end/26092
13901 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13902 twice if decl is a builtin. When trying again, call get_callee_fndecl
13903 first to verify it is still a builtin.
13905 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13907 * dwarf2out.c (base_type_die): Don't add AT_name here.
13908 (subrange_type_die): Don't add AT_name here.
13909 (modified_type_die): Rearrange code flow. Do add AT_name here.
13911 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13913 PR rtl-optimization/26247
13914 PR rtl-optimization/26248
13915 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13917 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13919 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13920 * config/fixtfdi.c: Likewise.
13921 * config/fixunstfdi.c: Likewise.
13922 * config/floatditf.c: Likewise.
13924 2006-02-13 Roger Sayle <roger@eyesopen.com>
13926 PR middle-end/24427
13927 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13928 into (X,C2) if C1 is a subset of the bits of C2. Transform
13929 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13931 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13933 2006-02-13 Josh Conner <jconner@apple.com>
13936 * varasm.c (function_section): Check for section name before
13937 calling select_section on targets that define
13938 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13939 unlikely_text_section instead of hot_function_section if
13940 first_function_block_is_cold.
13942 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13944 PR middle-end/25335
13945 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13947 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13949 PR rtl-optimization/26222
13950 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13951 after tree->rtl expansion.
13952 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13953 before passing it to emit_move_insn.
13955 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13957 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13959 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13960 Clarify documentation.
13961 * c-common.h (warn_write_strings): Remove.
13962 * c-common.c (warn_write_strings): Likewise.
13963 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13966 2006-02-12 Roger Sayle <roger@eyesopen.com>
13968 PR middle-end/25724
13969 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13970 (do_jump_parts_zero_rtx): New function renamed from
13971 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13972 (do_jump_parts_equality_rtx): New function split out from
13973 do_jump_parts_equality. Old implementation renamed as above.
13974 Call do_jump_parts_zero_rtx if either operand is zero.
13975 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13976 do all of the heavy lifting.
13977 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13978 calling either do_jump_by_parts_greater_rtx or
13979 do_jump_by_parts_equality_rtx.
13980 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13981 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13982 moved to do_compare_rtx_and_jump, call it directly.
13983 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13984 mode argument. Call do_compare_rtx_and_jump.
13985 (emit_case_nodes): Update calls to do_jump_if_equal.
13987 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13989 PR rtl-optimization/26225
13990 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13992 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13994 PR rtl-optimization/26232
13995 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13997 2006-02-11 Jason Merrill <jason@redhat.com>
14000 * tree-inline.c (declare_return_variable): Just don't use the
14001 modify target if it's a gimple complex reg and the return slot
14004 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14006 * doc/contrib.texi: Update my entry.
14008 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14010 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14012 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14014 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14017 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14019 * doc/invoke.texi (-floop-optimize2): Removed.
14020 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14021 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14022 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14023 * common.opt (floop-optimize2): Removed.
14024 (fmove-loop-invariants): Enabled by default.
14026 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14028 * tree-if-conv.c (combine_blocks): Free the result of
14029 get_loop_exit_edges.
14031 2006-02-10 Jeff Law <law@redhat.com>
14033 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14035 PR tree-optimization/26213
14036 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14037 loop trying to follow SSA_NAME_VALUE chains.
14039 2006-02-10 Richard Guenther <rguenther@suse.de>
14041 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14042 deal with structures that end in implicitly variable sized arrays.
14044 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14046 PR rtl-optimization/24762
14047 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14050 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14052 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14053 (struct ivopts_data): Add regs_used field.
14054 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14055 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14056 instead of loop_data->regs_used;
14057 (free_loop_data): Do not free aux fields for loops.
14058 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14059 and tree_ssa_iv_optimize_finalize.
14061 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14063 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14065 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14068 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14069 computing the effective result type.
14071 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14073 PR inline-asm/16194
14074 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14075 (tree_overlaps_hard_reg_set): Declare.
14076 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14077 type and signature to match function type expected by walk_tree.
14078 (tree_overlaps_hard_reg_set): New function.
14079 (decl_conflicts_with_clobbers_p): Rename to:
14080 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14081 Use tree_overlaps_hard_reg_set. Changed caller.
14082 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14083 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14084 * cris.c (cris_md_asm_clobbers): Likewise.
14086 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14088 * reload1.c (emit_input_reload_insns): Delete code that tries to
14089 inherit using find_equiv_reg.
14091 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14093 * c-common.h (flag_const_strings): Don't declare.
14094 * c-common.c (flag_const_strings): Remove.
14095 * c.opt (fconst_strings): Remove.
14096 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14097 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14098 (c_common_init_options): Don't set flag_const_strings.
14099 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14101 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14103 * arm.md (tlobits_cbranch): New pattern.
14104 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14105 testing a single bit.
14107 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14110 * tree-ssa-pre.c (create_component_ref_by_pieces):
14111 Handle RETURN_DECL like VAR_DECL.
14113 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14115 PR middle-end/26134
14116 * fold-const.c (fold_indirect_ref_1): Fold
14117 "*(foo *)&complexfoo" to "__real__ complexfoo"
14118 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14120 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14122 * tree-flow-inline.h (var_can_have_subvars):
14123 Volatile variables should not have subvariables.
14125 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14128 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14129 multiplying unsigned values.
14132 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14134 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14136 2006-02-08 Jason Merrill <jason@redhat.com>
14139 * tree.def: Elaborate on difference from MODIFY_EXPR.
14140 * doc/c-tree.texi (INIT_EXPR): Likewise.
14141 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14142 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14143 (gimplify_target_expr): Likewise.
14144 (gimplify_cond_expr): Remove target handling.
14145 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14146 (gimplify_expr): Clobber it here.
14147 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14148 Do return slot optimization if we have an INIT_EXPR.
14151 * tree-inline.c (declare_return_variable): Also clear
14152 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14155 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14157 PR middle-end/22439
14158 * gimplify.c (gimplify_one_sizepos): Fix typo.
14160 2006-02-08 Jeff Law <law@redhat.com>
14162 PR tree-optimization/21417
14163 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14164 across a backedge if the control statement at the end of the
14165 block is data dependent on other statements in the same block.
14166 (record_temporary_equivalences_from_stmts): Remove over-conservative
14167 test for threading across backedges.
14169 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14170 control statement, handle all three special cases in the same
14171 manner as they all have the same desired solution. No longer
14172 special case edge flag updating when the post dominator is
14175 2006-02-08 Roger Sayle <roger@eyesopen.com>
14177 * tree.def (CHAR_TYPE): Remove.
14178 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14179 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14180 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14181 (gen_string_type_die): Delete unreachable function.
14183 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14184 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14185 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14186 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14187 * builtins.c (type_to_class): Likewise.
14188 * fold-const.c (fold_convert, build_range_check,
14189 merge_ranges): Likewise.
14190 * expr.c (count_type_elements): Likewise.
14191 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14192 * stor-layout.c (layout_type): Likewise.
14193 * ipa-type-escape.c (type_to_consider): Likewise.
14194 * gimplify.c (omp_firstprivatize_type_sizes,
14195 gimplify_type_sizes): Likewise.
14196 * explow.c (promote_mode): Likewise.
14197 * tree-sra.c (is_sra_scalar_type): Likewise.
14198 * varasm.c (output_constant): Likewise.
14199 * tree-inline.c (remap_type_1): Likewise.
14200 * convert.c (convert_to_pointer, convert_to_real,
14201 convert_to_integer, convert_to_complex): Likewise.
14203 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14205 * df-scan.c (df_def_record_1): A set destination may
14206 be a parallel regardless of mode.
14208 2006-02-08 Roger Sayle <roger@eyesopen.com>
14211 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14212 * config/mips/_tilib.c: Remove.
14213 * config/fixtfdi.c: New libgcc source file.
14214 * config/fixunstfdi.c: New source file.
14215 * config/floatditf.c: New source file.
14216 * config/floatunditf.c: New souce file.
14217 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14218 files above instead of config/mips/_tilib.c.
14219 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14221 2006-02-08 Jeff Law <law@redhat.com>
14223 PR tree-optimization/26169
14224 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14227 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14229 * df.h (DF_REG_SIZE): Return the length of the initialized
14232 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14234 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14235 __muldf3): Return a correctly signed zero.
14237 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14239 * passes.c (register_one_dump_file): Accept the current properties
14240 instead of pass number. Adjust call to dump_register. Remove
14242 (register_dump_files): Now a wrapper around...
14243 (register_dump_files_1): ... this one. Do not modify the pass
14245 (next_pass_1): Cosmetic fix.
14246 (execute_todo): Keep second parameter only. Use curr_properties
14247 instead of fetching it from the pass structure. Check and set
14249 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14250 instead of fetching it from the pass structure. Fix calls to
14251 execute_todo. Update curr_properties and initialize .vcg RTL dump
14252 after running the pass. Reset last_verified.
14253 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14255 (FIRST_AUTO_NUMBERED_DUMP): New.
14256 (dump_register): Remove "num" parameter, assign it within the
14258 (get_dump_file_name): Modify template for dumps.
14259 * tree-dump.h (dump_register): Adjust prototype.
14260 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14261 (PROP_trees): Add PROP_gimple_lomp.
14262 (TODO_set_props): New.
14263 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14264 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14265 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14267 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14269 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14270 (sparc64-*-linux*): Likewise.
14271 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14272 * config/sparc/t-linux: New file.
14273 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14274 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14275 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14276 -m32 -mlong-double-128.
14278 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14279 * config/alpha/t-linux: New file.
14280 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14282 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14283 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14284 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14285 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14286 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14287 (CPP_ARCH32_SPEC): Remove.
14289 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14291 PR tree-optimization/26145
14292 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14295 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14298 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14299 >= 240000 when generating code for SOM runtime.
14300 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14301 to $$dyncall when generating code for SOM runtime..
14303 2006-02-07 Dirk Mueller <dmueller@suse.com>
14306 * doc/invoke.texi (-Wsequence-point): Update documentation
14307 that -Wsequence-point is implemented for C++ as well.
14309 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14311 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14312 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14313 (LIB_SPEC): Likewise.
14314 * doc/invoke.texi (SPARC options): Document -pthread.
14316 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14318 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14321 2006-02-07 Roger Sayle <roger@eyesopen.com>
14323 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14324 Correct comment describing BOOLEAN_TYPE.
14326 2006-02-07 Dirk Mueller <dmueller@suse.com>
14328 * c.opt: C++ frontend supports -Wdiv-by-zero.
14329 * c-opts.c (c_common_handle_option): Remove dead case.
14331 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14333 * configure.ac (TLS assembler check): Do not enable TLS by
14334 default on SPARC/Solaris before version 10.
14335 * configure: Regenerate.
14337 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14339 * doc/invoke.texi (xl-compat): Document conversion and support
14342 2006-02-07 Jeff Law <law@redhat.com>
14344 * tree-vrp.c (find_conditional_asserts): Update comments.
14345 (simplify_stmt_for_jump_threading): New.
14346 (identify_jump_threads, finalize_jump_threads): New.
14347 (vrp_finalize): Call identify_jump_threads.
14348 (execute_vrp): Call finalize_jump_threads.
14349 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14350 (vrp_element, vrp_data, vrp_element_p): Remove.
14351 (vrp_hash_elt, vrp_variables_stack): Remove.
14352 (vrp_hash, vrp_eq, record_range): Remove.
14353 (simplify_cond_and_lookup_avail_expr): Remove.
14354 (extract_range_from_cond): Remove.
14355 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14356 (simplify_stmt_for_jump_threading): New.
14357 (dom_thread_across_edge): New wrapper.
14358 (tree_ssa_dominator_optimize): No longer initialize or
14359 finalize any of the VRP datastructures. Remove iteration
14360 step and simplify as a result of removal of iteration step.
14361 (pass_dominator): Perform a cfg cleanup after DOM.
14362 (dom_opt_finalize_block): Use the new common routines
14363 for threading jumps. Simplify stack management slightly.
14364 No longer need to unwind VRP state.
14365 (record_equivalences_from_incoming_edge): No longer record
14367 (eliminate_redundant_computations): No longer call
14368 simplify_cond_and_lookup_avail_expr.
14369 * tree-flow.h (potentially_threadable_block): Prototype.
14370 (thread_across_edge): Likewise.
14371 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14372 (tree-ssa-threadedge.o): Add dependencies.
14373 * tree-ssa-threadedge.c: New file.
14374 * passes.c (init_optimization_passes): Merge PHIs before
14375 calling VRP. Run VRP again late in the SSA optimization pipeline.
14377 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14379 * df-core.c (df_set_blocks): Do not dereference function pointers.
14380 (df_finish1): Likewise.
14381 (df_hybrid_search_forward): Likewise.
14382 (df_hybrid_search_backward): Likewise.
14383 (df_iterative_dataflow): Likewise.
14384 (df_analyze_problem): Likewise.
14385 (df_compact_blocks): Likewise.
14386 (df_dump): Likewise.
14387 * df-scan.c (df_rescan_blocks): Likewise.
14388 (df_record_entry_block_defs): Likewise.
14390 * genconditions.c (write_conditions): Guard the definition of
14391 'insn_conditions' with the check on GCC version.
14392 (write_writer): Guard the traversal 'insn_conditions' with
14393 the check on GCC version.
14395 2006-02-07 Richard Guenther <rguenther@suse.de>
14399 2006-01-30 Richard Guenther <rguenther@suse.de>
14401 * gimplify.c (gimplify_target_expr): Handle easy cases
14402 without creating a temporary.
14404 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14406 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14407 use of float in probability computations. Use edge probabilities
14408 in place of statically computed probabilities.
14409 (min_spec_prob): New static variable.
14410 (schedule_insns): Initialize it.
14411 (GET_SRC_PROB): Removed.
14412 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14414 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14417 * config/ia64/unwind-ia64.c: Revert last change.
14418 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14419 (INCOMING_FRAME_SP_OFFSET): Define.
14421 2006-02-06 Roger Sayle <roger@eyesopen.com>
14423 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14425 2006-02-07 Ben Elliston <bje@au.ibm.com>
14427 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14428 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14429 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14430 (ix86_return_in_memory): Handle TDmode.
14431 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14432 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14434 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14436 * reorg.c (dbr_schedule): Use dump_file instead of file.
14438 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14441 * config/ia64/predicates.md (extr_len_operand): New predicate.
14442 * config/ia64/ia64.md (extv): Tighten constraints.
14444 (*tbit_and_2): Ditto.
14445 (*tbit_and_3): Ditto.
14446 (*tbit_or_2): Ditto.
14447 (*tbit_or_3): Ditto.
14448 (*bit_zero): Ditto.
14451 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14454 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14456 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14458 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14459 loop_optimizer_init and loop_optimizer_finalize
14460 * tree-ssa-sink.c (execute_sink_code): Ditto.
14461 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14462 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14463 tree_ssa_loop_done): Ditto.
14464 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14465 * sched-ebb.c: Include output.h.
14466 (schedule_ebbs): Do not use dump argument.
14467 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14468 * loop.c (loop_dump_stream): Removed.
14469 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14471 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14472 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14473 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14474 loop_iterations, strength_reduce, record_biv, record_giv,
14475 final_giv_value, check_final_value, check_ext_dependent_givs,
14476 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14477 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14478 dump_file instead of loop_dump_stream.
14479 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14480 argument dump_file.
14481 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14483 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14484 * haifa-sched.c: Include output.h
14485 (schedule_insns, sched_init): Do not use dump argument.
14486 * mode-switching.c (optimize_mode_switching): Ditto.
14487 * modulo-sched.c (stats_file): Removed.
14488 (print_node_sched_params): Do not call argument dump_file.
14489 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14490 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14492 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14494 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14495 rtl_loop_init, rtl_loop_done): Ditto.
14496 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14497 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14499 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14500 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14501 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14502 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14503 * emit-rtl.c (renumber_insns): Ditto.
14504 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14505 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14506 * regclass.c (regclass): Ditto.
14507 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14508 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14509 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14510 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14512 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14513 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14515 * gcse.c (gcse_file, debug_stderr): Removed.
14516 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14517 rest_of_handle_gcse): Do not use dump argument.
14518 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14519 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14520 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14521 compute_code_hoist_vbeinout, compute_code_hoist_data,
14522 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14523 compute_store_table, build_store_vectors, insert_insn_start_bb,
14524 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14525 store_motion): Use dump_file instead of gcse_file.
14526 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14527 * profile.c (profile_dump_file): Removed.
14528 (branch_prob): Use dump_file instead of profile_dump_file.
14529 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14531 * tree-ssa-copy.c (dump_copy_of): Ditto.
14532 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14533 dump file to life_analysis.
14534 * bt-load.c (branch_target_load_optimize): Ditto.
14535 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14537 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14538 regclass, dbr_schedule): Declaration changed.
14539 * sched-int.h (sched_init): Declaration changed.
14540 * tree-profile.c (tree_profile_dump_file): Removed.
14541 (tree_profile_hooks): Removed profile_dump_file hook.
14542 * rtl-profile (rtl_profile_dump_file): Removed.
14543 (rtl_profile_hooks): emoved profile_dump_file hook.
14544 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14546 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14547 * tree-cfg.c (build_tree_cfg): Ditto.
14548 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14549 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14550 Declaration changed.
14551 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14552 life_analysis and schedule_insns.
14553 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14555 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14557 * config/mips/mips.c (mips_reorg): Ditto.
14558 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14561 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14563 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14564 (s390_mangle_fundamental_type): New.
14565 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14568 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14569 (alpha_mangle_fundamental_type): New.
14570 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14573 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14575 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14577 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14578 (sparc_mangle_fundamental_type): New.
14580 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14582 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14583 (s390x-*-linux*): Likewise.
14584 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14585 * config/s390/t-linux: New file.
14587 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14589 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14590 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14592 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14594 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14595 (ANTIC_SAFE_LOADS): New macro.
14596 (find_or_generate_expression): Add prototype.
14597 (set_contains_value): Allow null set for sake of not always having
14598 to allocate ANTIC_SAFE_LOADS.
14599 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14600 Allow COMPONENT_REF too.
14601 (valid_in_set): Allow COMPONENT_REF.
14602 Check ANTIC_SAFE_LOADS too.
14603 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14604 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14606 (can_PRE_operation): Add COMPONENT_REF.
14607 (create_component_ref_by_pieces): New function.
14608 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14609 (insert_aux): Move AGGREGATE_TYPE_P check here.
14610 (compute_avail): Set bb local stmt uids.
14611 (pass_pre): Use TODO_update_ssa_only_virtuals.
14613 2006-02-06 Ben Elliston <bje@au.ibm.com>
14615 * configure.ac: Unconditionally disable decimal float by default.
14616 * configure: Regenerate.
14618 2006-02-06 Ben Elliston <bje@au.ibm.com>
14620 * read-rtl.c (read_name): Terminate reading on EOF.
14622 2006-02-06 Ben Elliston <bje@au.ibm.com>
14624 * dfp.c (decimal_real_arithmetic): Change second argument type
14625 from int to enum tree_code. Do not always return true, but now
14626 return result of any call to decimal_do helper functions.
14627 * dfp.h (decimal_real_arithmetic): Update prototype.
14629 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14631 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14633 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14636 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14639 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14641 * tree-vrp.c (cfg_loops): Removed.
14642 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14643 Use current_loops instead of cfg_loops. Pass flags to
14644 loop_optimizer_init.
14645 * cfgloopmanip.c (fix_loop_structure): Update only available
14647 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14648 loop_optimizer_init.
14649 * modulo-sched.c (build_loops_structure): Removed.
14650 (sms_schedule): Use loop_optimizer_init.
14651 * loop-init.c (loop_optimizer_init): Use flags to determine
14652 which properties of loops to prepare.
14653 (rtl_loop_init): Pass flags to loop_optimizer_init.
14654 * tree-ssa-sink.c (execute_sink_code): Ditto.
14655 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14656 * tree-ssa-pre.c (init_pre): Ditto.
14657 * cfgloop.h (LOOPS_NORMAL): New.
14658 (loop_optimizer_init): Declaration changed.
14660 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14662 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14663 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14665 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14667 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14669 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14670 * pa/t-pa64: Delete quadlib.c rule.
14671 * pa/x-ada: Revert last change.
14672 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14674 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14676 PR rtl-optimization/26087
14677 * rtlanal.c (canonicalize_condition): Do not cross basic block
14680 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14683 * config/ia64/ia64.c: Include debug.h.
14684 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14685 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14686 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14687 (process_epilogue, process_set, process_for_unwind_directive):
14688 Output unwind info only if requested. Add CFA info if requested.
14689 Add new arguments as needed. Adjust callers.
14690 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14692 (DWARF2_FRAME_INFO): Define to zero.
14693 * config/ia64/unwind-ia64.c: Remove code that compensated for
14694 the CFA offset error fixed above.
14695 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14696 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14697 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14698 -funwind-tables and -fexceptions to enable frame info.
14699 (dwarf2out_frame_init): Define initial CFA even if
14700 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14701 DWARF2_UNWIND_INFO is nonzero, not just defined.
14702 (dwarf2out_frame_finish): Output non-EH call frame info only
14703 if DWARF2_FRAME_INFO is nonzero.
14704 (convert_cfa_to_loc_list,
14705 compute_frame_pointer_to_cfa_displacement): Define even if
14706 unwind info is not supported.
14707 (gen_subprogram_die): Use the above unconditionally. Remove
14708 legacy alternate code.
14709 * toplev.c (compile_file): Compile in call to
14710 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14711 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14713 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14714 Jakub Jelinek <jakub@redhat.com>
14716 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14717 IBM extended float format long double as "g" on powerpc*-linux.
14719 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14722 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14723 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14725 2006-02-03 Jason Merrill <jason@redhat.com>
14728 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14730 PR middle-end/25977
14731 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14732 on the return slot if it's an NRV.
14734 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14736 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14737 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14738 rewrite_use): Do not handle USE_OUTER.
14739 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14740 add_iv_outer_candidates, may_replace_final_value,
14741 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14742 (find_interesting_uses_op): Functionality of
14743 find_interesting_uses_outer_or_nonlin moved here.
14744 (find_interesting_uses_outside): Use find_interesting_uses_op.
14746 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14749 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14751 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14752 Ulrich Weigand <uweigand@de.ibm.com>
14755 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14756 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14757 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14758 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14760 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14761 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14762 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14763 Define secondary reloads for TFmode moves.
14764 (constant_modes): Add TFmode.
14765 (NR_C_MODES): Set to 8.
14766 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14768 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14769 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14770 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14771 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14772 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14773 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14774 (FPR mode macro): Add TFmode.
14775 (DSF mode macro): New.
14776 (<de>, <dee> mode attributes): Removed.
14777 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14778 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14779 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14780 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14781 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14782 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14783 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14784 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14785 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14786 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14787 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14788 "*negabs<mode>2", "sqrt<mode>2"):
14789 Changed <de> to <xde>. R constraint replaced by <Rf>.
14790 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14792 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14793 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14794 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14796 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14797 "extenddftf2", "extendsftf2"): New expanders.
14798 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14799 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14800 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14801 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14803 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14804 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14805 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14806 __floatditf): Add a GCC_4.1.0 symbol version tag.
14807 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14810 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14813 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14814 Use targetm.binds_local_p instead of TREE_PUBLIC.
14816 2006-02-02 Roger Sayle <roger@eyesopen.com>
14818 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14819 on INTEGER_TYPEs to indicate that it denotes a character type.
14820 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14821 signed_char_type_node, unsigned_char_type_node and char_type_node.
14822 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14823 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14824 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14826 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14827 Daniel Berlin <dberlin@dberlin.org>
14829 * tree-tailcall.c (arg_needs_copy_p): New function.
14830 (eliminate_tail_call): Use arg_needs_copy_p.
14831 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14832 (add_virtual_phis): New function.
14834 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14836 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14837 #ignore instead of #scratch for %g7 .register directive.
14839 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14841 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14844 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14846 * flow.c (calculate_global_regs_live): Assert that there aren't any
14849 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14851 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14852 what its name says.
14853 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14854 bsi_after_labels iterator.
14855 * tree-if-conv.c (find_phi_replacement_condition,
14856 replace_phi_with_cond_modify_expr): Likewise.
14857 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14858 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14860 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14862 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14864 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14867 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14868 array after growing it.
14870 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14872 PR middle-end/24901
14873 * fold-const.c (fold_checksum_tree): Change type of buf.
14875 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14877 * reload.c (push_secondary_reload): Initialize t_icode.
14879 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14881 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14882 -msoft-float -mlong-double-128 only issue a warning, but don't
14883 swich to DFmode long double.
14885 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14887 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14888 has a constant equivalent, iterate over equivalents for arg0,
14889 calling simplify_relational_operation and if there's a result
14890 cheaper than X, apply fold_rtx and return the result.
14892 2006-02-01 Jan Hubicka <jh@suse.cz>
14894 * opts.c (no_unit_at_a_time_default): New global variable.
14895 (decode_options): Use it.
14896 * opts.h (no_unit_at_a_time_default): Declare.
14898 2006-02-01 Paul Brook <paul@codesourcery.com>
14900 * function.c (assign_parm_setup_reg): Use function argument promotion
14902 * expr.c (expand_expr_real_1): Use function argument promotion rules
14905 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14907 * gcc.c (process_command): Change j to 'unsigned int'.
14909 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14911 PR middle-end/26001
14912 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14913 Use the corrected index for the character
14914 out of the string constant.
14916 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14918 * mode-switching.c (optimize_mode_switching): Fix size
14919 allocated for bb_info[n_entities].
14921 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14923 * gcc.c (main): Correct type that is allocated for
14924 explicit_link_files.
14926 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14928 * config/s390/s390.c (init_alignment_context): Set
14929 ALIAS_SET_MEMORY_BARRIER on the MEM.
14930 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14932 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14934 PR middle-end/25933
14935 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14937 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14940 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14942 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14943 * regrename.c: Ditto.
14944 * tree-ssa-loop-im.c: Ditto.
14945 * tree-dump.c: Ditto.
14946 * tree-complex.c: Ditto.
14947 * genrecog.c: Ditto.
14948 * tree-ssa-threadupdate.c: Ditto.
14950 * java/class.c: Ditto.
14951 * java/jcf-parse.c: Ditto.
14952 * java/resource.c: Ditto.
14953 * java/except.c: Ditto.
14954 * java/jvspec.c: Ditto.
14955 * java/jcf-write.c: Ditto.
14956 * java/jcf-path.c: Ditto.
14957 * java/gjavah.c: Ditto.
14958 * java/zextract.c: Ditto.
14959 * java/jcf-io.c: Ditto.
14960 * java/jcf.h: Ditto.
14961 * java/buffer.c: Ditto.
14962 * java/lang.c: Ditto.
14963 * java/parse-scan.y: Ditto.
14964 * java/lex.c: Ditto.
14965 * java/lex.h: Ditto.
14966 * cfgloopmanip.c: Ditto.
14967 * postreload-gcse.c: Ditto.
14968 * tree-ssa-loop-manip.c: Ditto.
14969 * postreload.c: Ditto.
14970 * tree-ssa-loop-ch.c: Ditto.
14973 * cppspec.c: Ditto.
14974 * diagnostic.c: Ditto.
14976 * genoutput.c: Ditto.
14978 * cfghooks.c: Ditto.
14979 * cfgloopanal.c: Ditto.
14980 * objc/objc-act.c: Ditto.
14982 * genextract.c: Ditto.
14983 * genautomata.c: Ditto.
14984 * pretty-print.c: Ditto.
14985 * genemit.c: Ditto.
14986 * cgraphunit.c: Ditto.
14988 * df-scan.c: Ditto.
14989 * haifa-sched.c: Ditto.
14990 * dominance.c: Ditto.
14992 * tree-ssa-loop-ivopts.c: Ditto.
14993 * df-core.c: Ditto.
14994 * mode-switching.c: Ditto.
14995 * modulo-sched.c: Ditto.
14997 * ipa-pure-const.c: Ditto.
14999 * fix-header.c: Ditto.
15001 * tree-stdarg.c: Ditto.
15002 * ipa-utils.c: Ditto.
15003 * loop-init.c: Ditto.
15004 * ipa-inline.c: Ditto.
15005 * cfganal.c: Ditto.
15007 * alloc-pool.c: Ditto.
15008 * dwarf2out.c: Ditto.
15010 * genattrtab.c: Ditto.
15011 * tree-ssa-loop-ivcanon.c: Ditto.
15012 * predict.c: Ditto.
15013 * timevar.c: Ditto.
15015 * fortran/gfortranspec.c: Ditto.
15016 * regmove.c: Ditto.
15017 * local-alloc.c: Ditto.
15018 * langhooks.c: Ditto.
15019 * function.c: Ditto.
15020 * tree-vectorizer.c: Ditto.
15022 * ipa-type-escape.c: Ditto.
15024 * tree-if-conv.c: Ditto.
15025 * profile.c: Ditto.
15027 * tree-data-ref.c: Ditto.
15028 * loop-unroll.c: Ditto.
15029 * treelang/treetree.c: Ditto.
15031 * bt-load.c: Ditto.
15032 * ggc-common.c: Ditto.
15034 * coverage.c: Ditto.
15036 * tree-cfgcleanup.c: Ditto.
15037 * tree-ssa-pre.c: Ditto.
15038 * cfgcleanup.c: Ditto.
15039 * loop-invariant.c: Ditto.
15040 * loop-iv.c: Ditto.
15041 * ipa-prop.c: Ditto.
15042 * print-tree.c: Ditto.
15043 * conflict.c: Ditto.
15044 * ggc-page.c: Ditto.
15045 * sched-deps.c: Ditto.
15046 * regclass.c: Ditto.
15047 * tree-object-size.c: Ditto.
15048 * combine.c: Ditto.
15049 * bb-reorder.c: Ditto.
15050 * resource.c: Ditto.
15051 * var-tracking.c: Ditto.
15052 * cfgloop.c: Ditto.
15053 * df-problems.c: Ditto.
15054 * reg-stack.c: Ditto.
15056 * gccspec.c: Ditto.
15057 * sched-rgn.c: Ditto.
15058 * tree-ssa-structalias.c: Ditto.
15059 * tree-ssa-reassoc.c: Ditto.
15060 * config/darwin-c.c: Ditto.
15061 * config/darwin.c: Ditto.
15062 * config/arm/arm.c: Ditto.
15064 * collect2.c: Ditto.
15065 * reload1.c: Ditto.
15067 2006-01-31 Nicolas Pitre <nico@cam.org>
15069 * arm.md (smaxsi3): Make aware of smax_m1.
15072 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15074 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15076 2006-01-31 Richard Guenther <rguenther@suse.de>
15078 * doc/invoke.texi (-msselibm): Document.
15079 * target.h (expand_library_builtin): New target hook.
15080 * builtins.c (expand_builtin): Use expand_library_builtin.
15081 (default_expand_library_builtin): New function.
15082 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15083 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15084 (link_gcc_math_spec): Declare.
15085 (static_specs): Add link_gcc_math_spec.
15086 * expr.h (default_expand_library_builtin): Declare.
15087 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15088 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15089 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15090 * config/i386/i386.opt (msselibm): New target option.
15091 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15092 (ix86_init_sse_abi_builtins): New function.
15093 (ix86_expand_library_builtin): Likewise.
15094 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15095 (override_options): Handle error conditions wrt -msselibm.
15096 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15097 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15098 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15101 2006-01-31 Richard Guenther <rguenther@suse.de>
15102 Paolo Bonzini <bonzini@gnu.org>
15104 * doc/install.texi (--disable-libgcc-math): Document.
15106 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15108 * expr.h (expand_normal): new inline function.
15109 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15110 * dojump.c: use it.
15111 * dwarf2out.c: use it.
15114 * expmed.c: use it.
15115 * except.c: use it.
15116 * config/sparc/sparc.c: use it.
15117 * config/i386/i386.c: use it.
15118 * config/rs6000/rs6000.c: use it.
15119 * config/arm/arm.c: use it.
15120 * config/mips/mips.c: use it.
15121 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15123 2006-01-30 Roger Sayle <roger@eyesopen.com>
15125 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15126 argv to the appropriate type.
15128 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15130 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15133 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15136 * config/s390/s390.c (struct machine_function): New flag
15137 decomposed_literal_pool_addresses_ok_p.
15138 (s390_reorg): Set it before final stage of literal pool transforms.
15139 (s390_decompose_address): Only accept displacements of the form
15140 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15142 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15144 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15145 the comparison routine return.
15147 2006-01-30 Michael Matz <matz@suse.de>
15149 * global.c (find_reg): Only evict for global regs.
15150 Take n_refs into account and dump more info.
15152 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15155 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15156 (pragma_trap, pragma_nosave_low_regs): Likewise.
15157 (current_function_anonymous_args): Likewise.
15158 (sh_deferred_function_attributes): New variable.
15159 (sh_deferred_function_attributes_tail): Likewise.
15160 (print_operand): For '@', look up trap_exit attribute.
15161 (calc_live_regs): Look up trapa_handler attribute. For trapa
15162 handlers, save/restore fpscr, but don't do any other
15163 interrupt-specific saves.
15164 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15165 Fix check for partially saved registers to check for SHmedia.
15166 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15167 (sh_output_function_epilogue): Don't clear any of the removed
15169 (sh_insert_attributes): Don't check pragma_interrupt.
15170 Insert deferred attributes. Check that interrupt attribute is
15171 present for other attributes that require its presence.
15172 (sh_attribute_table): Add new attributes trapa_handler and
15174 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15175 Don't check for pragma_interrupt. Don't store argument.
15176 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15177 (sh_deferred_function_attributes): Declare.
15178 (sh_deferred_function_attributes_tail): Likewise.
15179 * sh.md (sp_switch_1): Add operand. Change generator caller.
15180 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15181 (*return_i): Don't use when trap_exit attribute is in effect.
15182 (*return_trapa): New insn pattern.
15183 * sh-c.c: New file.
15184 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15185 setting c_target_objs and cxx_target_objs.
15186 * t-sh: Add rule for sh-c.o.
15188 2006-01-30 Richard Guenther <rguenther@suse.de>
15191 * gimplify.c (gimplify_target_expr): Handle easy cases
15192 without creating a temporary.
15194 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15196 * vec.h (safe_grow): Remove duplicated line.
15198 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15201 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15202 (expand_omp): ... here.
15203 (expand_omp_parallel): Only remove barriers for combined
15204 parallel+workshare constructs.
15206 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15210 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15211 * tree.c (build_qualified_type): Chain the new type to the original
15212 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15213 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15214 (build_pointer_type_for_mode): Only return unqualified types.
15215 (build_reference_type_for_mode): Likewise.
15217 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15219 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15220 * Makefile.in (CXX_COMPAT_WARN): Define.
15221 * configure: Regenerate.
15223 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15226 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15229 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15231 * toplev.c: Fix thinko.
15233 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15234 Marcin Dalecki <martin@dalecki.de>
15236 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15237 (push_srcloc): Use XNEW.
15238 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15240 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15242 * df-core.c (df_set_blocks): Deleted all variable.
15244 2006-01-28 Ian Lance Taylor <ian@airs.com>
15246 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15247 cgraph_output_pending_asms.
15249 2006-01-28 Zack Weinberg <zackw@panix.com>
15251 * c.opt: Add -W(no-)overlength-strings.
15252 * doc/invoke.texi: Document it.
15253 * c-opts.c (c_common_handle_option): -pedantic implies
15254 -Woverlength-strings, if not explicitly disabled already.
15255 (c_common_post_options): -Woverlength-strings defaults to off, and
15256 is always off for C++.
15257 * c-common.c (fix_string_type): Issue warning about strings longer
15258 than is portable only if warn_overlength_strings. Rearrange code
15259 a little for clarity.
15260 * configure.in: Check for -Wno-overlength-strings as well before
15261 enabling -pedantic in stage 1.
15262 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15263 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15265 * genconditions.c (write_header, write_one_condition)
15266 (write_conditions, write_writer): Consolidate very long strings
15267 that were broken up to fit in C89 portable limit. Don't use
15268 printf when fputs will do.
15270 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15272 * combine.c (simplify_comparison <AND>): Check
15273 TRULY_NOOP_TRUNCATION before start using a subreg.
15275 * config/mips/mips.md (*branch_zero<mode>,
15276 *branch_zero<mode>_inverted, *branch_equality<mode>,
15277 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15278 Remove mode check from comparisons.
15280 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15282 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15284 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15286 * expmed.c (const_mult_add_overflow_p): Remove.
15287 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15289 * recog.c (validate_replace_rtx_subexp): Remove.
15290 * recog.h: Remove the prototype for
15291 validate_replace_rtx_subexp.
15293 * integrate.h: Remove the prototype for
15294 copy_decl_for_inlining.
15295 * rtl.h: Remove the prototype for mark_constant_function.
15296 * tree-vectorizer.h: Remove the prototype for
15297 vect_strip_conversion.
15299 * modulo-sched.c (create_partial_schedule,
15300 free_partial_schedule, reset_partial_schedule): Make them
15303 * hooks.c (hook_bool_rtx_int_false): Remove.
15304 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15306 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15308 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15309 and -mlong-double-128 are incompatible.
15310 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15311 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15312 (TARGET_LIBGCC2_CFLAGS): Define.
15313 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15314 (TARGET_LIBGCC2_CFLAGS): Same.
15315 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15317 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15320 * c-typeck.c (build_binary_op): Perform implicit casts of
15321 operands before shortening them.
15323 * cfgloopmanip.c (split_loop_bb): Remove.
15324 * cfgloop.h: Remove the prototype for split_loop_bb.
15326 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15327 * cfgloop.h: Remove the prototype for
15328 flow_loop_outside_edge_p.
15330 * emit-rtl.c (init_virtual_regs): Make it static.
15331 * function.h: Remove the prototype for init_virtual_regs.
15333 * recog.c (peephole2_optimize): Make it static.
15334 * recog.h: Remove the prototype for peephole2_optimize.
15336 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15338 * df-scan.c (df_record_entry_block_defs): Check if
15339 INCOMING_RETURN_ADDR_RTX is defined.
15341 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15342 Kenneth Zadeck <zadeck@naturalbridge.com>
15344 PR rtl-optimization/24762
15345 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15346 * targhooks.c (hook_void_bitmap): New hook prototype.
15347 * targhoohs.h (hook_void_bitmap): Ditto.
15348 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15349 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15350 * target.h (live_on_entry): New function pointer.
15351 * df-scan.c (df_all_hard_regs): Removed.
15352 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15353 (df_scan_free_internal): Added df->entry_block_defs.
15354 (df_scan_alloc): Ditto.
15355 (df_scan_dump): Ditto.
15356 (df_uses_record): Plumbed flag field properly thru calls.
15357 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15358 This part fixes PR24762.
15359 (df_bb_refs_record): Added code to make the frame and arg
15360 pointers live in EH blocks.
15361 (df_refs_record): Added call to df_record_entry_block_defs.
15362 (df_record_entry_block_defs): New function.
15363 * df-core.c: Added comments to describe new artifical defs.
15364 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15365 (entry_block_defs): New field in struct df.
15366 (df_all_hard_regs): Deleted.
15367 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15368 * df-problems.c (df_ru_bb_local_compute_process_def):
15369 Added code to handle artifical defs in the entry to a function.
15370 (df_ru_bb_local_compute): Ditto.
15371 (df_rd_bb_local_compute_process_def): Ditto.
15372 (df_rd_bb_local_compute): Ditto.
15373 (df_lr_bb_local_compute): Ditto.
15374 (df_ur_bb_local_compute): Ditto.
15375 (df_urec_bb_local_compute): Ditto.
15376 (df_chain_create_bb): Ditto.
15377 (df_ur_local_finalize): Removed entry.
15378 (df_urec_init): Ditto.
15379 (df_urec_local_finalize): Ditto.
15380 (df_ri_bb_compute): Added detection of last use of pseudos.
15381 * Makefile.in (df-scan.o): Updated dependencies.
15382 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15383 * config/mips/mips.c (mips_set_live_on_entry): Added.
15384 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15386 * dce.c (marked_insn_p): Added code to handle artifical defs.
15388 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15390 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15392 (_mm_cvtsi128_si64): Likewise.
15393 (_mm_cvtsd_si64): Likewise.
15394 (_mm_cvttsd_si64): Likewise.
15395 (_mm_cvtsi64_sd): Likewise.
15396 (_mm_cvtsi64_si128): Likewise.
15397 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15398 (_mm_cvtsi64_m64): Likewise.
15399 (_m_to_int64): Likewise.
15400 (_mm_cvtm64_si64): Likewise.
15401 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15402 (_mm_cvttss_si64): Likewise.
15403 (_mm_cvtsi64_ss): Likewise.
15404 (_mm_cvtss_f32): Likewise.
15406 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15408 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15409 for pragma redefine_extname.
15411 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15414 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15415 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15416 -mno-minimal-toc to previous content.
15417 (bispecs): Remove goal.
15418 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15419 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15420 compatibility aliases on powerpc-*-*gnu*.
15421 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15422 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15423 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15424 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15425 (ldblspecs): New goal.
15426 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15427 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15429 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15430 L_sf_to_tf or L_df_to_tf is defined.
15432 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15433 Alan Modra <amodra@bigpond.net.au>
15436 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15437 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15438 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15439 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15440 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15441 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15442 (rs6000_override_options): Initialize rs6000_ieeequad.
15443 Initialize TFmode format to ibm_extended_format if not
15445 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15447 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15448 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15449 (function_arg_advance): IBM long double passed in two FPRs, not
15451 (function_arg): IBM long double passed in FPRs.
15452 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15453 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15454 Only multireg GPR aligned.
15455 (rs6000_init_libfuncs): Enable IBM long double functions if not
15457 (rs6000_generate_compare): Use IBM long double compare if not
15459 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15460 (TARGET_IEEEQUAD): Define.
15461 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15462 not TARGET_IEEEQUAD.
15463 * config/rs6000/rs6000.md: Enable TFmode patterns if
15465 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15466 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15467 and -mlong-double-128 are incompatible.
15468 * doc/invoke.texi (-mabi): Collect options together. Add
15469 ibmlongdouble and ieeelongdouble.
15471 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15473 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15475 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15476 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15477 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15478 * rtl.h (rtunion_def): Remove rt_ptr.
15480 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15481 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15482 * config/i386/winnt.c (i386_pe_mark_dllexport)
15483 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15485 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15487 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15489 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15493 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15494 pthread_key_delete. From John David Anglin. gthrw-ify
15495 pthread_getunique_np only if it it's not a macro. Delete
15497 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15498 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15499 __gthread_objc_condition_signal, __gthread_key_delete): Add
15500 "__attribute__ ((__unused__))" to unused arguments.
15501 (__gthread_recursive_mutex_init_function): Add missing return.
15502 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15503 gthr-posix95.h: Use macro-based approach for name redirection
15504 on targets missing weakref.
15506 2006-01-26 Zack Weinberg <zackw@panix.com>
15508 * genconditions.c (write_header): In generated code, #ifdef out
15509 all includes and fake declarations, except includes of bconfig.h
15510 and system.h, unless GCC_VERSION >= 3001. Do not include
15511 gensupport.h in any case.
15512 (write_conditions): Generate a definition of struct c_test. Add
15513 a comment to the generated #endif.
15514 (write_one_condition): Escape backslashes in string too.
15515 (write_writer): Generated code must escape backslashes and quote
15516 marks (but not newlines) in the strings it writes.
15517 * Makefile.in (build/gencondmd.o): Update dependencies.
15519 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15522 * Makefile.in (insn-automata.o): Add header file dependencies.
15523 * genautomata.c: Add includes.
15525 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15528 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15530 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15532 * configure.ac: Expect target tools paths to be passed from the toplevel
15533 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15535 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15537 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15540 * c.opt (Wpointer-sign): Init to -1.
15541 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15542 OPT_pedantic, to 0 otherwise.
15543 * doc/invoke.texi: Update.
15545 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15547 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15548 constants provided by 80387 instructions in the destination mode.
15550 2006-01-26 Richard Guenther <rguenther@suse.de>
15551 Andrew Pinski <pinskia@physics.uc.edu>
15554 partial PR tree-opt/17064
15555 * tree-ssa-structalias.c (intra_create_variable_infos):
15556 Create heap variables for incoming parameters if
15557 flag_argument_noalias > 1.
15558 (find_what_p_points_to): Look through default defs of
15561 2006-01-26 Jeff Law <law@redhat.com>
15564 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15565 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15566 within the VR_RANGE, use the VR_RANGE as the result, not the
15568 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15569 bounds for the type.
15571 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15573 * tree-ssa-alias.c (maybe_create_global_var): Change
15574 subvar walking to an assertion that we don't have subvar'd variables.
15576 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15579 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15580 Use a new variable, inner. PARM_DECLs are always non-weak.
15582 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15584 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15585 --disable-checking.
15587 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15589 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15591 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15593 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15594 (smax_insn, smin_insn, smax_0, smin_0): New.
15596 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15599 * config/cris/cris.c (cris_order_for_addsi3): New function.
15600 * config/cris/cris-protos.h: Prototype it.
15601 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15602 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15603 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15604 (split for "op.S1 [rx=rx+i],ry (swapped)")
15605 (split for "op(s|u).S1 [rx=rx+i],ry")
15606 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15607 Apply cris_order_for_addsi3 when generating addsi3 insns.
15609 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15611 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15612 (TREE_BLOCK): Add call to EXPR_CHECK.
15614 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15617 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15618 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15619 (dump_omp_clauses): ... here.
15620 (dump_generic_node): Handle OMP_CLAUSE.
15621 * tree.c (omp_clause_num_ops): New.
15622 (omp_clause_code_name): New.
15623 (tree_code_size): Handle OMP_CLAUSE.
15624 (tree_size): Likewise.
15625 (make_node): Document handling of OMP_CLAUSE.
15626 (tree_node_structure): Handle OMP_CLAUSE.
15627 (omp_clause_check_failed): New.
15628 (omp_clause_range_check_failed): New.
15629 (omp_clause_operand_check_failed): New.
15630 (build_omp_clause): New.
15631 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15632 * tree.h (enum omp_clause_code): Declare.
15633 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15634 (OMP_CLAUSE_RANGE_CHECK): Define.
15635 (OMP_CLAUSE_ELT_CHECK): Define.
15636 (omp_clause_check_failed): Declare.
15637 (omp_clause_operand_check_failed): Declare.
15638 (omp_clause_range_check_failed): Declare.
15639 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15640 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15641 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15642 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15643 (OMP_CLAUSE_IF_EXPR): Likewise.
15644 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15645 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15646 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15647 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15648 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15649 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15650 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15651 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15652 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15653 (OMP_CLAUSE_CODE): Define.
15654 (OMP_CLAUSE_SET_CODE): Define.
15655 (OMP_CLAUSE_CODE): Define.
15656 (OMP_CLAUSE_OPERAND): Define.
15657 (struct tree_omp_clause): Declare.
15658 (union tree_node): Add field 'omp_clause'.
15659 * treestruct.def (TS_OMP_CLAUSE): Define.
15660 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15661 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15662 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15663 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15664 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15665 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15666 (OMP_CLAUSE): Define.
15667 * print-tree.c (print_node): Handle OMP_CLAUSE.
15668 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15669 * c-typeck.c: Likewise.
15670 * gimplify.c: Likewise.
15671 * c-omp.c: Likewise.
15672 * tree-nested.c: Likewise.
15673 * tree-inline.c: Likewise.
15674 * c-parser.c: Likewise.
15675 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15678 2006-01-25 Roger Sayle <roger@eyesopen.com>
15680 PR rtl-optimization/25703
15681 * combine.c (try_combine): Handle zero_extract and strict_low_part
15682 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15684 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15686 * global.c: Fix comment typos.
15688 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15691 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15692 Use output_addr_const instead of assemble_name.
15694 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15696 * Makefile.in (sched-vis.o): Update dependencies.
15697 * haifa-sched.c (sched_finish): Clear current_sched_info.
15698 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15699 (dump_flow_info): Call it.
15700 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15702 * basic-block.h (dump_bb_info): Declare.
15703 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15704 option, and apply options only for dump files whose TDF_RTL,
15705 TDF_TREE, or TDF_IPA bits match.
15706 * rtl.h: Declare new functions exported from sched-vis.c.
15707 * sched-vis.c: Enable also if scheduling is not used.
15708 (print_value): Print the mode of registers if not inside scheduling.
15709 (print_insn): Make it work outside the scheduler. Beautify the output
15711 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15713 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15715 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15716 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15717 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15718 depending on the value of CONSTANT_POOL_ADDRESS_P.
15719 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15721 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15722 rather than SYMBOL_REF_DECL.
15723 (rtx_constant_pool): Remove const_rtx_sym_htab.
15724 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15725 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15726 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15727 Remove handling of const_rtx_sym_htab.
15728 (find_pool_constant): Delete.
15729 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15730 rather than find_pool_constant.
15731 (get_pool_constant_for_function): Delete.
15732 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15733 find_pool_constant.
15734 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15735 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15736 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15737 (SYMBOL_REF_CONSTANT): New macro.
15738 (get_pool_constant_for_function): Delete.
15739 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15740 rather than SYMBOL_REF_DECL.
15741 (i386_pe_mark_dllimport): Likewise.
15742 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15743 rather than SYMBOL_REF_DECL.
15744 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15745 (machopic_indirect_call_target): Likewise.
15747 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15749 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15751 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15753 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15755 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15757 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15759 2006-01-24 David Daney <ddaney@avtrex.com>
15762 * configure.ac (enable_tls): New enable option.
15763 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15764 * configure: Regenerate.
15765 * doc/install.texi (--enable-tls): Document new option.
15766 (--disable-tls): Ditto.
15768 2006-01-24 Richard Henderson <rth@redehat.com>
15770 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15771 * alias.c (true_dependence): Respect it.
15772 (canon_true_dependence, write_dependence_p): Likewise.
15773 * builtins.c (get_builtin_sync_mem): Set it.
15775 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15777 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15780 2006-01-24 DJ Delorie <dj@redhat.com>
15782 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15783 for storing constants in single-bit bitfields.
15785 2006-01-25 Ben Elliston <bje@au.ibm.com>
15787 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15789 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15792 * tree-ssa-pre.c (phi_translate): Return NULL
15793 for AGGREGATE_TYPE's.
15795 2006-01-24 Zack Weinberg <zackw@panix.com>
15797 * genautomata.c (process_state_for_insn_equiv_partition):
15798 Use xcalloc for insn_arcs_array.
15799 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15800 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15802 2006-01-24 Richard Henderson <rth@redhat.com>
15804 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15805 update all callers.
15807 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15809 PR rtl-optimization/25890
15810 PR rtl-optimization/25905
15811 * combine.c (expand_compound_operation, expand_field_assignment):
15812 Fail if the bitfield's final position is out of bounds.
15814 2006-01-24 Ian Lance Taylor <ian@airs.com>
15816 PR middle-end/25930
15817 * cgraphunit.c (cgraph_output_in_order): Don't clear
15818 cgraph_asm_nodes until after asm strings have been output.
15820 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15822 * fix-header.c (read_scan_file): Add new parameter imultilib when
15823 calling register_include_chains.
15825 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15827 * omp-low.c: Update documentation.
15829 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15830 Daniel Berlin <dberlin@dberlin.org>
15834 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15835 return from the function.
15837 2006-01-22 Zack Weinberg <zackw@panix.com>
15839 * rtl.def (match_code): Add second argument.
15840 * genpreds.c (write_extract_subexp): New function.
15841 (write_match_code): Add path argument. Use write_extract_subexp.
15842 (write_predicate_expr): Pass path to write_match_code.
15843 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15844 not perform a mode test.
15845 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15846 a subexpression does not constrain the top-level code set.
15847 * read-rtl.c (read_rtx_variadic): New function.
15848 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15849 * doc/md.texi: Document new notation.
15850 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15851 (cmpsi_operand): ... here, using new notation.
15853 2006-01-22 Zack Weinberg <zackw@panix.com>
15855 * varray.c: Remove GENERATOR_FILE #ifdefs.
15857 2006-01-22 Zack Weinberg <zackw@panix.com>
15859 * genautomata.c (output_reserved_units_table): Emit nothing if
15860 description->query_units_num is zero. Remove extra blank line.
15861 (output_cpu_unit_reservation_p): Short circuit
15862 if description->query_units_num is zero.
15864 2006-01-22 Zack Weinberg <zackw@panix.com>
15866 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15867 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15868 nor any of the random handful of variables that used to be necessary
15869 when this program was linked with rtlanal.o. Prune set of forward
15870 function declarations.
15871 (struct attr_desc): Remove static_p field.
15872 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15873 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15874 (attr_string): Do not read the character one past the length of
15876 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15877 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15878 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15879 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15880 (make_automaton_attrs): New.
15881 (main): Do not call into genautomata. Call local gen_bypass
15882 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15883 Remove special case for insn_alts.
15884 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15885 varray.h (leftover from previous change). Prune set of forward
15886 function declarations. Remove state_alts fields from all
15887 structures. Remove state_alts_table from struct automaton.
15888 Make everything except main static. Do not maintain num_dfa_decls.
15889 Do not maintain state_alts fields of various structures.
15890 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15891 (add_arc): Remove state_alts argument. All callers updated.
15892 (output_reserved_units_table): Emit #ifdef here...
15893 (output_tables): ...not here. Don't generate state_alts tables.
15894 (expand_automata): Don't generate attributes.
15895 (write_automata): Don't generate state_alts functions.
15896 (main): New function.
15897 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15898 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15899 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15900 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15901 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15902 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15903 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15904 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15906 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15907 * genattrtab.h: Delete file.
15908 * Makefile.in (OBJS-common): Add insn-automata.o.
15909 (insn-automata.o): New rule.
15910 (simple_generated_c): Add insn-automata.c.
15911 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15912 (genprogmd): Add automata.
15913 (build/genattrtab): Needs no extra objects nor libraries.
15914 (build/genautomata): Needs build/vec.o and -lm.
15916 2006-01-22 Zack Weinberg <zackw@panix.com>
15918 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15919 (output_dfa_max_issue_rate, locked_states_num): Delete.
15920 (struct automaton): Add locked_states field.
15921 (output_dead_lock_vect): Save number of locked states in
15922 automaton->locked_states. If it is zero, don't print anything.
15923 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15924 (output_internal_dead_lock_func): Only test the dead_lock_vect
15925 for automata that have locked states.
15926 (output_statistics): Always print the number of locked states for
15927 each automaton. Calculate total number of locked states here.
15928 (write_automata): Don't call output_dfa_max_issue_rate.
15929 * genattrtab.c: Define length_unit_log as a const variable.
15930 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15931 max_insn_queue_index const.
15932 * final.c (length_unit_log): Declare const.
15933 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15935 2006-01-22 Zack Weinberg <zackw@panix.com>
15937 * genautomata.c: Include vec.h, not varray.h.
15938 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15939 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15940 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15941 VEC_* macros operating on appropriately typed vectors, or to
15942 malloced arrays when the size is known in advance. Const-ify
15943 many char* variables and function arguments. No functional changes.
15944 * Makefile.in (build/varray.o): Delete rule.
15945 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15946 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15948 2006-01-22 Zack Weinberg <zackw@panix.com>
15950 * gensupport.c: Define get_insn_name and record_insn_name here.
15951 (read_md_rtx): Call record_insn_name as appropriate.
15952 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15953 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15954 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15956 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15957 (BUILD_VARRAY): Delete.
15958 (genprognormal): Rename genprogmd. Fold in all programs from
15959 genprognoprint; also attrtab.
15960 (build/genattrtab): Just mention genautomata.o and varray.o.
15961 Reorganize a bit, add comments to make the categories clearer.
15963 2006-01-22 Zack Weinberg <zackw@panix.com>
15965 * genconditions.c (condition_table, add_condition): Delete.
15966 (write_conditions): Don't emit n_insn_conditions nor
15967 insn_elision_unavailable. Issue the gcc version #ifdef here,
15968 inside the table, with no #else clause ...
15969 (write_header): ...not here.
15970 (write_writer): New function.
15971 (main): Don't initialize condition_table. Use add_c_test.
15973 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15974 files on the command line.
15975 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15976 Return -1 if there is no entry in the table, don't abort.
15977 (add_c_test, traverse_c_tests): New functions.
15978 * gensupport.h (insn_elision_unavailable, insn_conditions)
15979 (n_insn_conditions): Delete declarations.
15980 (add_c_test, traverse_c_tests): Declare.
15981 * read-rtl.c: Include gensupport.h.
15982 (read_conditions): New function.
15983 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15984 (read_rtx_1): If we get EOF when we were looking for an initial
15985 open paren, return 0. Call read_conditions when appropriate.
15986 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15987 dummy-conditions.o. Eliminate references to insn-conditions.o,
15988 or change them to build/gencondmd.o, as appropriate. Remove
15989 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15990 from $(simple_generated_c). For all files remaining in those
15991 two lists, add insn-conditions.md to the generator command line.
15992 Give insn-constants.h/s-constants their own rules. Add rules
15993 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15994 (build/read-rtl.o): Depend on gensupport.h.
15995 (genprognormal): Include preds.
15996 (genprogearly): Rename genprognoprint; only difference is now that
15997 they don't link with $(BUILD_PRINT).
15998 * dummy-conditions.c: Delete.
16000 2006-01-22 Zack Weinberg <zackw@panix.com>
16002 * genextract.c: Don't include insn-config.h. Do include vec.h.
16003 Declare vectors of int, char, and locstr.
16004 (locstr): New typedef.
16005 (struct extraction): Make all array fields into bare pointers.
16006 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16007 (insn_code_number): Delete.
16008 (accum_extract): New struct.
16009 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16010 (gen_insn): Take insn_code_number as an argument. Use an
16011 accum_extract structure instead of loading data directly into
16012 a struct extraction, and having to know how big it might get.
16013 (walk_rtx): Operate entirely on an accum_extract structure.
16014 (print_path): Avoid unnecessary use of printf.
16015 (print_header): New function, split out of main. Distinguish
16016 more carefully between an unrecognizable insn and an insn that
16017 has the code number of a define_expand.
16018 (main): Pass insn_code_number to gen_insn. Call print_header
16019 only after parsing. Avoid unnecessary use of printf.
16020 * Makefile.in (build/vec.o): New rule.
16021 (build/genextract): Depend on build/vec.o.
16022 (build/genextract.o): Don't depend on insn-config.h.
16024 2006-01-22 Zack Weinberg <zackw@panix.com>
16026 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16027 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16028 practical. Eliminate per-generator-program link rules.
16030 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16032 PR middle-end/24437
16033 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16034 with a call expr to ...
16035 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16037 2006-01-23 Richard Guenther <rguenther@suse.de>
16039 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16040 before make_edge with conditional EDGE_TRUE_VALUE.
16042 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16043 Jan Hubicka <jh@suse.cz>
16044 Richard Guenther <rguenther@suse.de>
16046 PR rtl-optimization/25654
16047 * cfgexpand.c (aggregate_contains_union_type): New function.
16048 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16049 for structure variables that contain a union type.
16051 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16053 * gengtype.c (new_structure): Return the structure.
16054 (create_option): Add an extra "next" argument.
16055 (create_field): New function.
16056 (adjust_field_rtx_def): Use create_option and create_field.
16057 Remove a now-unnecessary call to find_structure.
16058 (adjust_field_tree_def): Likewise.
16059 (note_yacc_type): Remove an unnecessary call to find_structure.
16060 * gengtype.h (new_structure): Return the structure.
16061 (create_option): Add an extra argument.
16062 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16063 (option): Adjust calls to create_option.
16065 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16067 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16069 2006-01-22 Paul Brook <paul@codesourcery.com>
16070 Peter Barada <peter@the-baradas.com>
16072 * config/m68k/m68k.md: Add Coldfire FPU support.
16073 Define FP mode macro and associated attributes.
16074 Use it for float mode patterns.
16075 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16076 (LIBCALL_VALUE): Use m68k_libcall_value.
16077 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16078 (m68k_function_value): Ditto.
16079 (emit_move_sequence): Ditto.
16080 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16081 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16082 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16083 (MULTILIB_EXCEPTIONS): Ditto.
16084 * config/m68k/m68k.opt: Add mcfv4e.
16085 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16086 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16087 (m68k_output_function_prologue): Save ColdFire FPU registers.
16088 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16089 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16090 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16091 ColdFire FPU registers.
16092 (m68k_libcall_value, m68k_function_value): New functions.
16093 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16094 (LIBCALL_VALUE): Use m68k_libcall_value.
16095 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16096 (MASK_COLDFIRE): Add MASK_CFV4E.
16097 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16098 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16099 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16100 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16101 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16102 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16103 * doc/invoke.tex: Document -mcfv4e on m68k.
16105 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16107 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16110 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16113 * c-opts.c (c_common_handle_option): Don't include
16114 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16115 * doc/invoke.texi (C++ Dialect Options): Document that
16116 -Wnon-virtual-dtor is no longer included in -Wall.
16118 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16120 * gcov.c (print_version), gcov-dump.c (print_version),
16121 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16124 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16126 * df-scan.c (problem_SCAN): Added NULL reset function.
16127 (df_scan_reset_blocks): Added code to call reset block function
16128 (df_bb_refs_delete) Fixed comment.
16129 (df_insn_refs_delete): Made tolerant of deleting non existent info
16130 for dataflow problems that need to be reset.
16131 * df-core.c (df_set_blocks): Ditto.
16132 * df.h (struct df_problem): Added reset_fun.
16133 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16134 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16135 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16136 functions to clear out all references to def-use or use-def chains.
16138 2006-01-21 Ben Elliston <bje@au.ibm.com>
16140 * varasm.c (assemble_real): Initialise data array.
16142 2006-01-20 Paul Brook <paul@codesourcery.com>
16144 Merge from csl-arm-branch.
16145 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16146 * config/arm/arm.md (movdi): Force operands[1] to a register
16147 if we have a non-register source.
16148 (*arm_movdi, *movdf_soft_insn): Require that one of the
16149 operands be a register.
16150 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16151 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16153 2006-01-20 DJ Delorie <dj@redhat.com>
16155 * varasm.c (initializer_constant_valid_p): Allow pointers
16156 initialized from integer constants of lesser precision.
16157 (output_constant): Allow non-int-sized pointer modes to be
16158 initialized from integer constants.
16160 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16163 * cppdefault.h (struct default_include): Add multilib flag.
16164 * cppdefault.c (cpp_include_defaults): Set it.
16165 * c.opt (-imultilib): New option.
16166 * c-opts.c (imultilib): New.
16167 (c_common_handle_option): Handle -imultilib.
16168 (c_common_post_options): Likewise.
16169 * c-incpath.c (add_standard_paths, register_include_chains):
16171 * c-incpath.h (register_include_chains): Add extra parameter.
16172 * gcc.c (do_spec_1): Generate -imultilib option.
16173 (The Specs Language): Update %I description.
16174 (process_command): Update copyright notice.
16175 * doc/cppopts.texi (-imultilib): Document.
16176 * doc/invoke.texi (-imultilib): Include in option summary.
16177 (%I): Update specs documentation.
16179 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16181 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16183 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16185 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16188 2006-01-20 Richard Guenther <rguenther@suse.de>
16189 Steven Bosscher <stevenb.gcc@gmail.com>
16191 PR rtl-optimization/24626
16192 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16193 EDGE_TRUE_VALUE if in RTL mode.
16196 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16197 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16199 2006-01-20 Dirk Mueller <dmueller@suse.com>
16202 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16203 instead of a special NOP marker.
16204 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16205 NOP marker handling.
16206 * c-common.h (empty_body_warning): Add forward declaration.
16207 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16208 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16210 2006-01-20 Paul Brook <paul@codesourcery.com>
16212 * Makefile.in (lang_checks): Keep going if mkdir fails.
16214 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16216 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16217 be able to clean out basic block when not necessary.
16218 (df_scan_free): Fixed to properly delete information if df is
16219 unused before calling df_finish.
16220 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16221 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16223 (df_bb_refs_delete): New function.
16224 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16225 * df-core.c (df_set_blocks): Added code to properly clean out
16226 unused blocks if they are not part of the blocks to consider.
16227 Added additional null check.
16228 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16229 be able to clean out basic block when not necessary
16230 * df.h (df_free_bb_function): Ditto.
16231 (df_bb_refs_delete): New function.
16232 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16233 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16234 basic block parameter to be able to clean out basic block when not
16236 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16237 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16238 Fixed to properly delete information if df is unused before
16241 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16243 PR rtl-optimization/25799
16244 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16245 Corrected confluence operator to remove bits from op2 before oring
16246 with op1 rather than removing bits from op1.
16247 (df_ru_transfer_function): Corrected test on wrong bitmap which
16248 caused infinite loop. Both of these problems were introduced in
16249 the dataflow rewrite.
16251 2006-01-19 DJ Delorie <dj@redhat.com>
16253 * reload1.c (find_reload_regs): Note the details of reload
16254 failures in the dump file.
16255 (spill_failure): Likewise.
16257 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16259 * loop-iv.c: Include df.h and hashtab.h.
16260 (enum iv_grd_result): New enum.
16261 (DF_REF_IV, DF_REF_IV_SET): New macros.
16262 (struct biv_entry): New.
16263 (df, bivs): New global variables.
16264 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16265 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16267 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16268 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16269 analyzed_for_bivness_p, record_biv): New functions.
16270 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16271 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16272 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16274 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16276 (iv_number_of_iterations): Use new interface to iv analysis.
16277 * loop-unroll.c: Do not include varray.h.
16278 (analyze_iv_to_split_insn): Use new interface to iv
16280 * loop-unswitch.c (may_unswitch_on): Ditto.
16281 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16283 (df_bb_modify): Realloc tables to the new index.
16284 (df_find_use): New function.
16285 * df.h (df_find_use): Declare.
16286 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16288 * cfgloop.h (struct rtx_iv): Remove analysed field.
16289 (iv_get_reaching_def): Removed.
16290 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16291 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16292 (loop-iv.o): Add df.h and hashtab.h dependency.
16293 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16295 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16298 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16300 (__floatundisf, __floatundidf): Likewise.
16301 * libgcc2.h (IS_IBM_EXTENDED): Define.
16303 2006-01-19 DJ Delorie <dj@redhat.com>
16305 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16307 2006-01-19 Paul Brook <paul@codesourcery.com>
16309 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16310 as nothrow when unwinding tables are disabled.
16312 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16315 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16316 of bit-field" when in system header.
16318 2006-01-19 DJ Delorie <dj@redhat.com>
16320 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16321 the 16 bit shift limit of the m16c.
16323 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16326 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16327 * config/i386/i386.c (output_set_got): Output the label if we have one
16328 for the TARGET_DEEP_BRANCH_PREDICTION case.
16330 2006-01-19 Jan Hubicka <jh@suse.cz>
16331 H.J. Lu <hongjiu.lu@intel.com>
16332 Evandro Menezes <evandro.menezes@amd.com>
16334 * invoke.texi (generic): Document
16336 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16337 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16338 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16339 (x86_use_incdec, x86_pad_returns): New variables
16340 (TARGET_CPU_DEFAULT_generic): New constant
16341 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16342 (enum processor_type): Add generic32 and generic64.
16343 * i386.md (cpu attribute): Add generic32/generic64
16344 (movhi splitter): Behave sanely when both partial_reg_dependency and
16345 partial_reg_stall are set.
16346 (K8 splitters): Enable for generic as well.
16347 * predicates.md (incdec_operand): Use TARGET_INCDEC
16348 (aligned_operand): Avoid memory mismatch stalls.
16349 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16350 * ppro.md: Enable for generic32
16351 * i386.c (generic64_cost, generic32_cost): New.
16352 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16353 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16354 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16355 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16356 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16357 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16358 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16359 x86_accumulate_outgoing_args, x86_prologue_using_move,
16360 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16361 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16362 Enable for generic.
16363 (x86_use_incdec, x86_pad_returns): New.
16364 (override_options): Add generic32 and generic64, translate "generic"
16365 to generic32/generic64 and "i686" to "generic32", refuse
16366 "generic32"/"generic64" as arch target.
16367 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16368 (ix86_reorg): Honor PAD_RETURNS.
16370 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16372 * tree-pretty-print.c (dump_generic_node): Handle
16373 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16374 * cgraph.c (cgraph_expand_queue): Rename from
16375 cgraph_analyze_queue. Update all users.
16376 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16377 cgraph_expand_queue.
16378 (cgraph_expand_all_functions): Likewise.
16379 (cgraph_finalize_pending_functions): Remove. Update callers.
16381 * tree.h (OMP_DIRECTIVE_P): Define.
16382 (OMP_PARALLEL_FN): Define.
16383 (OMP_PARALLEL_DATA_ARG): Define.
16384 (OMP_SECTIONS_SECTIONS): Define.
16385 * tree-pass.h (pass_expand_omp): Declare.
16386 * omp-low.c (struct omp_region): Declare.
16387 (struct omp_context): Remove fields 'parallel_type',
16388 'parallel_start_ix' and 'parallel_start_additional_args'.
16390 (struct omp_for_data): Rename from struct expand_omp_for_data.
16391 (omp_regions): New static variable.
16392 (root_omp_region): New static variable.
16393 (find_omp_clause): Make static.
16394 (is_in_combined_parallel_ctx): Remove.
16395 (is_combined_parallel): New.
16396 (extract_omp_for_data): Move earlier in the file.
16397 (workshare_safe_to_combine_p): New.
16398 (get_ws_args_for): New.
16399 (determine_parallel_type): Move earlier in the file.
16400 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16402 (omp_copy_decl): Likewise.
16403 (create_omp_child_function): Likewise.
16404 (lookup_omp_region): New.
16405 (dump_omp_region): New.
16406 (debug_omp_region): New.
16407 (debug_all_omp_regions): New.
16408 (new_omp_region): New.
16409 (scan_omp_parallel): If parallel_nesting_level > 1, the
16410 directive is nested within another parallel directive.
16411 Set OMP_PARALLEL_FN.
16412 (scan_omp_for): Do not try to handle combined parallel+for
16414 Remove FIXME comment.
16415 (scan_omp_nested): Remove.
16416 (scan_omp_1): Do not call scan_omp_nested when
16417 parallel_nesting_level is > 1.
16418 Do not change the DECL_CONTEXT of local variables found.
16419 (lookup_decl_in_outer_ctx): New.
16420 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16421 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16422 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16423 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16424 If CTX is nested, lookup VAR in the outer context when
16425 building copy assignment.
16426 (lower_send_clauses): Rename from expand_send_clauses.
16427 If CTX is nested, lookup VAR in the outer context when
16428 building copy assignments.
16429 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16430 If CTX is nested, lookup VAR in the outer context when
16431 building copy assignments.
16432 (expand_parallel_call): Rename from build_parallel_call.
16433 Handle combined parallel+workshare cases.
16434 Re-implement to emit code into the CFG.
16436 (expand_omp_parallel): Re-implement to emit code into the CFG.
16437 Call move_sese_region_to_fn to outline the sub-graph
16438 containing the parallel region.
16439 (expand_omp_for_1): Remove.
16440 (expand_omp_for_generic): Re-implement to emit code into the
16442 (expand_omp_for_static_nochunk): Likewise.
16443 (expand_omp_for_static_chunk): Likewise.
16444 (expand_omp_for): Likewise.
16445 (expand_omp_sections): Likewise.
16446 (remove_exit_barriers): New.
16447 (expand_omp_synch): New.
16449 (build_omp_regions_1): New.
16450 (build_omp_regions): New.
16451 (execute_expand_omp): New.
16452 (gate_expand_omp): New.
16453 (pass_expand_omp): Define.
16454 (lower_omp_sections): Rename from expand_omp_sections.
16455 Set OMP_SECTIONS_SECTIONS.
16456 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16457 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16458 (lower_omp_single): Rename from expand_omp_simple.
16459 (lower_omp_master): Rename from expand_omp_master.
16460 (lower_omp_ordered): Rename from expand_omp_ordered.
16461 (lower_omp_critical): Rename from expand_omp_critical.
16462 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16463 (lower_omp_for): Re-implement.
16464 (lower_omp_parallel): Re-implement.
16465 (lower_regimplify): Rename from expand_regimplify.
16466 (lower_omp_1): Rename from expand_omp_1.
16467 If there are syntax errors in the program, replace every
16468 OpenMP directive with NOP.
16469 Call lower_omp_* instead of expand_omp_*.
16470 (lower_omp): Rename from expand_omp.
16472 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16473 * tree-gimple.h (enum omp_parallel_type): Remove.
16474 (gimple_boolify): Declare extern.
16475 (find_omp_clause, determine_parallel_type): Remove.
16477 * gimple-low.c (lower_omp_directive): New.
16478 (lower_stmt): Call it.
16479 (record_vars_into): Move from ...
16480 (record_vars): ... here.
16481 Call record_vars_into with current_function_decl.
16483 * gimplify.c (struct gimplify_ctx): Remove fields
16484 combined_pre_p and combined_ctxp. Update users.
16485 (get_formal_tmp_var): Add documentation.
16486 (gimple_boolify): Make extern.
16487 (gimplify_expr_in_ctx): Remove. Update callers.
16488 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16489 will always be a BIND_EXPR.
16490 (gimplify_expr): Handle OMP_RETURN_EXPR.
16491 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16492 (OMP_PARALLEL): Add 3 operands.
16493 (OMP_SECTIONS): Add 1 operand.
16494 (OMP_RETURN_EXPR): Define.
16496 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16497 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16498 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16499 creating a circular free list.
16500 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16502 * tree-flow.h (move_sese_region_to_fn): Declare.
16503 (record_vars_into): Declare.
16504 * tree-cfg.c (make_omp_sections_edges): New.
16505 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16506 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16507 OMP_SECTIONS and OMP_SECTION.
16508 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16509 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16510 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16511 (gather_blocks_in_sese_region): New.
16512 (struct move_stmt_d): Declare.
16513 (move_stmt_r): New.
16514 (move_block_to_fn): New.
16515 (move_sese_region_to_fn): New.
16517 * passes.c (init_optimization_passes): Schedule
16518 pass_expand_omp after pass_init_datastructures.
16520 * tree-ssa-operands.c (get_expr_operands): Handle
16521 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16522 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16524 2006-01-19 Jeff Law <law@redhat.com>
16526 * tree-vrp.c (extract_range_from_assert): Refine the result range
16527 if the variable referenced by the ASSERT_EXPR has a range and
16528 either the tentative result range or the previous range is a
16531 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16533 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16535 2006-01-19 Jan Hubicka <jh@suse.cz>
16537 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16539 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16541 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16542 (expand_compound_operation, expand_field_assignment): Fail if the
16543 bit lengths of an extract operation are out of range.
16544 (make_extraction): Compute wanted_inner_mode based on the position
16545 and length of the extraction. Make it extraction_mode for non-constant
16546 positions, and do not modify offset in that case. When generating a
16547 new MEM, use a mode that can hold the extraction while keeping correct
16548 alignment. Remove code that supported MEMs wrapped by USEs.
16549 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16551 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16553 * config/s390/s390.md ("Y", "y"): New mode attribute.
16554 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16555 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16556 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16557 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16558 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16559 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16560 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16561 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16562 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16563 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16564 "addsi3", "subsi3"): Insn patterns removed.
16565 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16566 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16567 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16568 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16569 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16570 "*sub<mode>3_cconly2"): New insn patterns.
16571 ("addsi3", "subsi3"): New expanders.
16573 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16575 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16576 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16577 existing STMT_VINFO_VECTYPE if available.
16578 (vect_mark_relevant): Add special handling for stmts that are
16579 marked as STMT_VINFO_IN_PATTERN_P.
16580 (vect_analyze_loop): Call vect_pattern_recog.
16581 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16582 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16584 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16585 (vect_recog_func_ptr): New function-pointer type.
16586 * tree-vect-patterns.c: New file.
16587 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16588 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16589 (vect_pattern_recog_1): New functions.
16590 (vect_pattern_recog_funcs): New array of function pointers.
16592 * tree-vectorizer.h (ternary_op): New enum value.
16593 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16594 declaration. Revised documentation. Removed redundant dump prints.
16595 Removed redundant argument. Added support for reduction patterns.
16596 (vectorizable_reduction): Added support for reduction patterns.
16597 (vect_transform_stmt): Added support for patterns.
16599 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16600 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16601 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16602 (expand_widen_pattern_expr): New function.
16603 (init_optabs): Initialize new optabs udot_prod_optab,
16605 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16606 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16607 (expand_widen_pattern_expr): New function declaration.
16608 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16610 * tree-inline.c (estimate_num_insns_1): Added cases for new
16611 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16612 * tree-pretty-print.c (dump_generic_node): Likewise.
16613 (op_prio): Likewise.
16614 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16615 * tree-ssa-operands.c (get_expr_operands): Added case for
16617 * tree-vect-patterns.c (widened_name_p): New function.
16618 (vect_recog_dot_prod_pattern): Added function implementation.
16619 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16620 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16621 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16622 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16624 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16625 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16626 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16627 (init_optabs): Initialize new optabs widen_ssum_optab,
16629 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16630 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16631 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16632 use instead of type of def.
16633 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16634 function implementation.
16635 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16636 widen_ssumv8hi): New.
16638 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16641 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16644 * c-decl.c (add_flexible_array_elts_to_size): New function.
16645 (finish_decl): Use it.
16647 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16649 * diagnostic.h: Include options.h.
16650 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16651 dependancies for diagnostic.h.
16652 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16654 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16656 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16657 (ssa_ro_call_cache_valid): Ditto.
16658 * tree-ssa-alias.c (sort_tags_by_id): New function.
16659 (init_transitive_clobber_worklist): Ditto.
16660 (add_to_worklist): Ditto.
16661 (mark_aliases_call_clobbered): Ditto.
16662 (compute_tag_properties): Ditto.
16663 (set_initial_properties): Ditto.
16664 (compute_call_clobbered): Ditto.
16665 (compute_may_aliases): Call compute_call_clobbered and grouping.
16666 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16667 (compute_flow_insensitive_aliasing): Grouping now happens in our
16669 (setup_pointers_and_addressables): Remove clobbering related code.
16670 (add_may_alias): Ditto.
16671 (replace_may_alias): Ditto.
16672 (get_nmt_for): Ditto.
16673 (create_global_var):
16674 (is_escape_site): Return an escape_type enumeration.
16675 * tree-flow-inline.h (is_call_clobbered): Global var does not
16676 imply call clobbered.
16677 (mark_call_clobbered): Take a reason for marking this. Remove
16678 marking of globalness, and cache invalidation.
16679 (clear_call_clobbered): Remove cache invalidation code.
16680 * tree-dfa.c (dump_variable): If details is on, dump the reason
16682 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16684 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16685 (struct var_ann_d): Ditto.
16686 (enum escape_type): New.
16687 (mark_call_clobbered): Adjust prototype.
16688 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16689 are never call clobbered.
16690 Record reasons for escaping.
16691 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16692 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16693 (ssa_ro_call_cache_valid): Ditto.
16694 (clobbered_v_may_defs): Ditto.
16695 (clobbered_vuses): Ditto.
16696 (ro_call_vuses): Ditto.
16697 (clobber_stats): New.
16698 (init_ssa_operands): Zero out clobber stats.
16699 (fini_ssa_operands): Print out clobber stats.
16700 (get_call_expr_operands): Pass callee fndecl to
16701 add_call_read_ops).
16702 (add_call_clobber_ops): Remove use of cache.
16703 Add use of PURE_CONST information.
16704 (add_call_read_ops): Remove use of cache.
16705 Add use of static not_read information.
16707 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16709 Introduce TLS descriptors for i386 and x86_64.
16710 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16711 (TARGET_ANY_GNU_TLS): New macro.
16712 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16713 (struct machine_function): Add tls_descriptor_call_expanded_p.
16714 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16715 (ix86_current_function_calls_tls_descriptor): Likewise.
16716 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16717 (override_options): Introduce gnu2 tls dialect.
16718 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16720 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16722 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16723 (ix86_init_machine_status): Initialize new field.
16724 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16725 (ix86_tls_module_base): New.
16726 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16727 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16728 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16729 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16730 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16731 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16732 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16733 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16734 * config/i386/predicates.md (tls_modbase_operand): New.
16735 (tp_or_register_operand): New.
16737 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16739 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16740 (look_for_address_of): Ditto.
16741 (ipa_init): Walk the function decls.
16742 (static_execute): Don't set readonly on FUNCTION_DECL's.
16744 2006-01-18 Roger Sayle <roger@eyesopen.com>
16746 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16747 for shifts where the source and destination registers are different.
16749 2006-01-18 Paul Brook <paul@codesourcery.com>
16751 Merge from csl-arm-branch.
16752 2005-03-14 Julian Brown <julian@codesourcery.com>
16753 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16754 (aeabi_llsl): Likewise.
16755 (ashrdi3): Likewise.
16756 (aeabi_lasr): Likewise.
16757 (lshrdi3): Likewise.
16758 (aeabi_llsr): Likewise.
16759 2005-03-10 Julian Brown <julian@codesourcery.com>
16760 * config.gcc: Disable shared libgcc for SymbianOS.
16761 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16763 2006-01-18 DJ Delorie <dj@redhat.com>
16765 * c-pragma.c (handle_pragma_diagnostic): New.
16766 (init_pragma): Register it.
16767 * doc/extend.texi: Document it.
16769 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16770 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16771 (diagnostic_context): Add classify_diagnostic[].
16772 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16773 as errors if they're overridden to DK_WARNING.
16774 (diagnostic_initialize): Initialize classify_diagnostic[].
16775 (diagnostic_set_kind_override): New.
16776 (diagnostic_report_diagnostic): Check for kind changes.
16777 * opts.c (common_handle_option): Take lang_mask. Update callers.
16778 Handle OPT_Werror_.
16779 * common.opt (Werror=): New.
16780 * doc/invoke.texi: Document -Werror=*
16782 2006-01-18 Jeff Law <law@redhat.com>
16784 * tree-vrp.c (test_for_singularity): Correct test for new
16785 min limit. Use operand_equal_p rather than pointer equality
16786 for testing if new min/max values are equal.
16788 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16789 using range information until after propagation and folding.
16791 2006-01-18 Richard Henderson <rth@redhat.com>
16792 Aldy Hernandez <aldyh@redhat.com>
16793 Jakub Jelinek <jakub@redhat.com>
16794 Diego Novillo <dnovillo@redhat.com>
16796 * omp-low.c: New file.
16797 * c-omp.c: New file.
16799 2006-01-18 Richard Henderson <rth@redhat.com>
16800 Jakub Jelinek <jakub@redhat.com>
16801 Diego Novillo <dnovillo@redhat.com>
16803 * doc/invoke.texi: Document -fopenmp.
16804 * tree-dump.h (debug_function): Declare.
16805 * hooks.c (hook_bool_tree_bool_false): New function.
16806 (hook_tree_tree_null): Remove.
16807 (hook_tree_tree_tree_null): New.
16808 * hooks.h: Update to match.
16809 * tree-pretty-print.c (debug_tree_chain): New.
16810 (print_generic_expr): Handle TDF_CHAIN.
16811 (dump_generic_node): Handle BLOCK.
16812 Do not abort with incomplete SWITCH_EXPRs.
16813 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16814 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16815 print space after directive name.
16816 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16817 Handle OMP_MASTER and OMP_ORDERED.
16818 Handle printing of OMP_BODY just in one place, goto
16819 dump_omp_body in the rest of OMP_* nodes that have
16821 Don't handle clause nodes here. Update omp statements to
16822 use dump_omp_clauses.
16823 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16824 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16825 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16826 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16827 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16828 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16829 Adjust output for GOMP_PARALLEL.
16830 (dump_omp_clauses): New.
16831 (print_declaration): Dump DECL_VALUE_EXPR.
16832 (op_symbol_1): Split out of op_symbol.
16833 (dumping_stmts): Remove. Update all users.
16834 * cgraph.c (cgraph_analyze_queue): New.
16835 (cgraph_add_new_function): New.
16836 * cgraph.h (cgraph_analyze_queue): Declare.
16837 (cgraph_add_new_function): Declare.
16838 (cgraph_lower_function): Remove.
16839 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16840 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16841 and TYPE_P nodes in its default clause.
16842 (empty_body_p): New.
16843 (tree_range_check_failed): New.
16844 (build5_stat): New.
16845 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16846 OMP_CLAUSE_REDUCTION_MERGE,
16847 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16848 OMP_CLAUSE_PRIVATE_DEBUG,
16849 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16850 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16851 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16852 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16853 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16854 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16855 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16856 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16857 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16858 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16859 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16860 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16861 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16862 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16863 (TREE_RANGE_CHECK): New.
16864 (empty_body_p): Declare.
16865 (enum omp_clause_default_kind): New.
16866 (build_string_literal): Declare.
16867 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16868 (build5_stat, build5): Declare.
16869 * tree-pass.h (TDF_CHAIN): Define.
16870 * tree-pass.h (PROP_gimple_lomp): Define.
16871 (pass_lower_omp): Declare.
16872 * diagnostic.h (debug_tree_chain): Declare.
16873 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16875 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16876 * builtins.c (build_string_literal): Make extern.
16877 * gcc.c (include_spec_function): New.
16878 (static_spec_functions): Add it.
16879 (main): Move load of libgomp.spec ...
16880 (LINK_COMMAND_SPEC): ... here.
16881 (link_gomp_spec): New.
16882 (static_specs): Include it.
16883 (LINK_COMMAND_SPEC): Add link_gomp.
16884 (GOMP_SELF_SPECS): New.
16885 (driver_self_specs): Include it.
16886 (switch_matches): Don't mark inline.
16887 (main): Load libgomp.spec.
16888 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16889 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16890 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16891 * tree-gimple.h (enum omp_parallel): Declare.
16892 (determine_parallel_type): Declare.
16893 (omp_firstprivatize_variable): Declare.
16894 (omp_reduction_init): Declare.
16895 (diagnose_omp_structured_block_errors): Declare.
16896 (struct walk_stmt_info): Add want_return_expr.
16897 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16898 (find_omp_clause): Declare.
16899 (insert_field_into_struct): Declare.
16900 (struct walk_stmt_info): Move from tree-nested.c
16901 (walk_stmts): Declare.
16902 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16904 * cgraphunit.c (cgraph_lower_function): Make static.
16905 (cgraph_finalize_pending_functions): New.
16906 (cgraph_finalize_function): Call it.
16907 (cgraph_finalize_compilation_unit): Likewise.
16908 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16909 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16910 (BT_FN_UINT_UINT): New.
16911 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16912 DEF_FUNCTION_TYPE_VAR_4): Document.
16913 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16914 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16915 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16916 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16917 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16918 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16919 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16920 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16921 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16922 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16923 into separate files.
16924 (DEF_GOMP_BUILTIN): New.
16925 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16926 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16927 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16928 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16929 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16930 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16931 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16932 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16933 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16934 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16935 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16936 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16937 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16938 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16939 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16940 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16941 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16942 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16943 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16944 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16945 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16946 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16947 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16948 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16949 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16950 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16951 * sync-builtins.def: New file, moved from builtins.def.
16952 * omp-builtins.def: New file, moved from builtins.def.
16953 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16954 * gimple-low.c (lower_function_body): Clear data.
16955 (lower_stmt): Do not handle COMPOUND_EXPR.
16956 Remove call to print_node_brief.
16957 * c-tree.h (c_finish_omp_clauses): New prototype.
16958 (C_DECL_THREADPRIVATE_P): Define.
16959 (lookup_name_no_remap, c_omp_remap_private): Remove
16960 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16961 (check_for_loop_decls): Update decl.
16962 (lookup_name_no_remap, c_omp_remap_private): Declare.
16963 (build_indirect_ref, build_modify_expr, pushdecl,
16964 pushdecl_top_level): Move to c-common.h.
16965 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16966 before the switch, but just in the 2 places that need it.
16967 * c-decl.c (diagnose_mismatched_decls): Do not check for
16968 mismatched thread-local attributes when OLDDECL is marked
16969 threadprivate and NEWDECL has no thread-local attributes.
16970 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16971 (c_gimple_diagnostics_recursively): Rename from
16972 c_warn_unused_result_recursively. Invoke
16973 diagnose_omp_structured_block_errors.
16974 (check_for_loop_decls): Return a singular decl found.
16975 * langhooks.c (lhd_omp_predetermined_sharing): Return
16976 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16977 (lhd_omp_firstprivatize_type_sizes): New.
16978 (lhd_omp_assignment): New.
16979 (lhd_omp_predetermined_sharing): New.
16980 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16981 (struct lang_hooks_for_types): Add
16982 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16983 omp_predetermined_sharing, omp_disregard_value_expr,
16984 omp_private_debug_clause, omp_clause_default_ctor,
16985 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16986 (c_finish_omp_clauses): New.
16987 (c_finish_bc_stmt): Diagnose break within omp for.
16988 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16989 (build_unary_op): Return error_mark after reporting
16991 (build_modify_expr): Likewise.
16992 * gimplify.c: Include optabs.h and pointer-set.h.
16993 (enum gimplify_omp_var_data): Declare.
16994 (struct gimplify_omp_ctx): Declare.
16995 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16997 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16998 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16999 (splay_tree_compare_decl_uid): New.
17000 (new_omp_context): New.
17001 (delete_omp_context): New.
17002 (gimple_add_tmp_var): Call omp_add_variable.
17003 (gimplify_bind_expr): Likewise.
17004 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17005 true, disregard DECL_VALUE_EXPR on the decl if any.
17006 (gimplify_expr_in_ctx): New.
17007 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17008 omp_add_variable, omp_notice_variable, omp_is_private
17009 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17010 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17011 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17012 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17013 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17014 gimplify_omp_atomic): New.
17015 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17016 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17017 OMP_CRITICAL and OMP_ATOMIC.
17018 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17019 * c-pragma.h (enum pragma_kind): Add
17020 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17021 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17022 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17023 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17024 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17025 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17026 PRAGMA_OMP_THREADPRIVATE.
17027 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17028 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17029 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17030 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17031 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17032 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17033 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17034 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17035 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17036 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17037 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17038 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17039 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17041 (struct nesting_info): Add field_map,
17042 suppress_expansion, debug_var_chain.
17043 (create_nesting_tree): Initialize them.
17044 (lookup_field_for_decl): Use field_map.
17045 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17046 (convert_local_omp_clauses): New.
17047 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17048 (walk_body): Split out of walk_function.
17049 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17050 (convert_nonlocal_reference): Handle omp statements.
17051 (convert_local_reference): Likewise.
17052 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17053 (unnest_nesting_tree): New.
17054 (lower_nested_functions): Call it.
17055 (insert_field_into_struct): Make extern.
17056 (struct walk_stmt_info): Move to tree-gimple.h.
17057 (walk_stmts): Make extern.
17058 * omp-builtins.def: New file.
17059 * tree-iterator.c (expr_only): Clarify comment.
17060 * c-common.h (pushdecl_top_level, pushdecl,
17061 build_modify_expr, build_indirect_ref,
17062 c_finish_omp_master, c_finish_omp_critical,
17063 c_finish_omp_ordered, c_finish_omp_barrier,
17064 c_finish_omp_atomic, c_finish_omp_flush,
17065 c_finish_omp_for, c_split_parallel_clauses,
17066 omp_clause_default_kind, c_omp_sharing_predetermined,
17067 c_omp_remap_decl): Declare.
17068 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17069 (OBJS-common): Add omp-low.o.
17070 (c-omp.o, omp-low.o): Add.
17071 (gimplify.o): Add dependency on $(OPTABS_H).
17072 (GTFILES): Add omp-low.c.
17073 (gt-stringpool.h): Add.
17074 * tree-cfg.c (set_bb_for_stmt): Do not update the
17075 block-to-labels map if we are currently expanding to RTL.
17076 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17078 Handle IDENTIFIER_NODE.
17079 (tree_verify_flow_info): Do not ICE when emitting error
17080 messages about invalid labels.
17081 (dump_function_to_file): Reset CFUN before emitting the body
17083 (debug_function): New.
17084 * passes.c (init_optimization_passes): Schedule
17086 * langhooks-def.h (lhd_omp_predetermined_sharing,
17087 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17089 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17090 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17091 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17092 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17093 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17094 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17095 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17096 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17097 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17098 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17099 (LANG_HOOK_DECLS): Use them.
17101 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17102 Richard Henderson <rth@redhat.com>
17103 Jakub Jelinek <jakub@redhat.com>
17104 Diego Novillo <dnovillo@redhat.com>
17106 * c-parser.c (pragma_omp_clause): Define.
17107 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17108 (c_parser_compound_statement): Likewise.
17109 (c_parser_statement): Likewise.
17110 (c_parser_pragma): Handle omp pragmas.
17111 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17112 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17113 (c_parser_omp_clause_name, check_no_duplicate_clause,
17114 c_parser_omp_variable_list,
17115 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17116 c_parser_omp_clause_copyprivate,
17117 c_parser_omp_clause_default,
17118 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17119 c_parser_omp_clause_lastprivate,
17120 c_parser_omp_clause_nowait,
17121 c_parser_omp_clause_num_threads,
17122 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17123 c_parser_omp_clause_reduction,
17124 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17125 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17126 c_parser_omp_atomic, c_parser_omp_barrier,
17127 c_parser_omp_critical, c_parser_omp_flush,
17128 c_parser_omp_for_loop, c_parser_omp_for,
17129 c_parser_omp_master, c_parser_omp_ordered,
17130 c_parser_omp_sections_scope, c_parser_omp_sections,
17131 c_parser_omp_parallel, c_parser_omp_single,
17132 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17133 * c-pragma.c (init_pragma): Do omp pragma registration here.
17134 * c.opt (fopenmp): New flag.
17136 2006-01-18 Eric Christopher <echristo@apple.com>
17138 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17139 * config/darwin.h (GOMP_SELF_SPECS): Define.
17141 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17143 * rtl.h: Remove the prototype for reg_alloc.
17145 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17148 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17149 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17150 sjlj and dwarf2 exception handling.
17151 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17152 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17153 * pa/pa.c (function_value): Treat complex and vector types as
17155 (function_arg): Likewise. Only pass scalar floats in the floating
17156 point argument registers.
17157 * pa/t-slibgcc-dwarf-ver: New file.
17158 * pa/t-slibgcc-sjlj-ver: New file.
17159 * pa/t-slibgcc-elf-ver: Delete file.
17161 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17163 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17164 unlikely_test_section_p test.
17166 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17168 * mode-switching.c (optimize_mode_switching): Make it static.
17169 * basic-block.h: Remove the prototype for
17170 optimize_mode_switching.
17172 * modulo-sched.c (sms_schedule): Make it static.
17173 * rtl.h: Remove the prototype for sms_schedule.
17175 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17176 * rtl.h: Remove the prototype for gcse_after_reload_main.
17178 * reg-stack.c (reg_to_stack): Make it static.
17179 * rtl.h: Remove the prototype for reg_to_stack.
17181 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17183 * rtl.h: Remove the prototypes for regrename_optimize and
17184 copyprop_hardreg_forward.
17186 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17188 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17189 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17190 Test against the appropriate null constant for the mode.
17191 If 'fixup_overlap' is true, swap the operands if they overlap.
17192 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17193 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17194 alpha_split_tmode_pair and adjust for above change.
17195 * config/alpha/alpha.md (movtf_internal): Adjust call to
17196 alpha_split_tfmode_pair and rely on it to swap the operands.
17197 (movti_internal): New insn and post-reload splitter.
17198 (movti): New expander.
17200 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17202 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17205 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17207 * rtlanal.c (global_reg_mentioned_p_1,
17208 global_reg_mentioned_p): Remove.
17209 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17211 * flow.c (initialize_uninitialized_subregs): Make it static.
17212 * rtl.h: Remove the prototype for
17213 initialize_uninitialized_subregs.
17215 * function.c (instantiate_virtual_regs): Make it static.
17216 * function.h: Remove the prototype for
17217 instantiate_virtual_regs.
17219 * regmove.c (regmove_optimize, combine_stack_adjustments):
17221 * rtl.h: Remove the prototypes for regmove_optimize and
17222 combine_stack_adjustments.
17224 2006-01-17 Roger Sayle <roger@eyesopen.com>
17226 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17227 (size_cost): Encode costs in bytes so that a reg-reg addition is
17228 equivalent to COSTS_N_INSNS(1).
17229 (override_options): Use the size_cost.branch_cost as the default
17230 ix86_branch_cost when optimizing for size.
17232 2006-01-18 Ben Elliston <bje@au.ibm.com>
17234 * Makefile.in (D32PBIT_FUNCS): New.
17235 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17236 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17237 D64PBIT_FUNCS and D128PBIT_FUNCS.
17238 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17239 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17241 (decnumber_dep): Define.
17242 * doc/libgcc.texi (Decimal float library routines): New node.
17243 * config/dfp-bit.h, config/dfp-bit.c: New files.
17245 2006-01-18 Ben Elliston <bje@au.ibm.com>
17247 * expr.c (emit_move_change_mode): Always adjust addresses, not
17248 just during reload. Copy replacements only during reload.
17249 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17250 emit_move_via_integer.
17252 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17254 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17255 instead of $(srcdir) and ${srcdir}.
17257 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17260 PR middle-end/11135
17261 * arm.h (struct machine_function): Add pic_reg.
17262 * arm.c (arm_pic_register): Make unsigned.
17263 (arm_override_options): Only set arm_pic_register if
17264 TARGET_SINGLE_PIC_BASE.
17265 (use_return_insn): Only test for a pic register if it is fixed.
17266 (arm_compute_save_reg0_reg12_mask): Likewise.
17267 (thumb_compute_save_reg_mask): Likewise.
17268 (legitimate_pic_operand): Factor out some known invariants.
17269 (legitimize_pic_address): If we don't have a fixed pic register,
17270 then set up a pseudo in the function entry sequence. Handle the
17271 pic base being in a pseudo.
17272 (arm_load_pic_register): Handle the pic register being in a pseudo.
17273 (arm_expand_prologue): Only set up the pic register if it is fixed.
17274 (thumb_expand_prologue): Likewise.
17275 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17276 (pic_load_addr_based_insn): Likewise.
17277 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17280 2006-01-18 Ben Elliston <bje@au.ibm.com>
17282 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17283 decimal float modes for all floating point registers.
17285 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17286 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17288 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17291 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17292 even when the pointer is not NULL.
17294 2006-01-16 Ian Lance Taylor <ian@airs.com>
17296 * common.opt (ftoplevel-reorder): New option.
17297 * cgraph.c (cgraph_asm_nodes): New global variable.
17298 (cgraph_asm_last_node): New static variable.
17299 (cgraph_order): New global variable.
17300 (cgraph_create_node): Set new order field.
17301 (cgraph_varpool_node): Likewise.
17302 (decide_is_variable_needed): Return true if not
17303 flag_toplevel_reorder.
17304 (cgraph_add_asm_node): New function.
17305 * cgraph.h (struct cgraph_node): Add order field.
17306 (struct cgraph_varpool_node): Add order field.
17307 (struct cgraph_asm_node): Define.
17308 (cgraph_asm_nodes, cgraph_order): Declare.
17309 (cgraph_add_asm_node): Declare.
17310 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17312 (cgraph_varpool_assemble_pending_decls): Call it.
17313 (cgraph_output_pending_asms): New static function.
17314 (cgraph_finalize_compilation_unit): Call it.
17315 (struct cgraph_order_sort): Define.
17316 (cgraph_output_in_order): New static function.
17317 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17318 !flag_toplevel_reorder case.
17319 * c-parser.c: Include "cgraph.h".
17320 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17322 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17323 than -fno-unit-at-a-time.
17324 * doc/invoke.texi (Option Summary): Mention
17325 -fno-toplevel-reorder.
17326 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17327 -funit-at-a-time documentation.
17329 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17330 Kazu Hirata <kazu@codesourcery.com>
17332 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17334 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17336 * Makefile.in (FUNCTION_H): New. Use it instead of
17337 function.h throughout the file.
17338 * function.h: Include tree.h.
17340 2006-01-17 Ben Elliston <bje@au.ibm.com>
17342 * recog.c: Separate some functions with whitespace.
17344 2006-01-16 Richard Henderson <rth@redhat.com>
17346 Merge from gomp branch:
17347 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17348 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17349 and rename from struct inline_data. Rename callee* to dst*;
17350 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17351 transform_new_cfg, transform_return_to_modify, and
17352 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17354 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17355 (copy_decl_for_dup): Remove.
17356 * tree-inline.c (struct inline_data): Move to header.
17357 (insert_decl_map): Export.
17358 (remap_decl): Update for member name changes. Use copy_decl hook.
17359 Allow for replacement to be a non-decl. Remove dead code.
17360 (remap_type_1): Check for existing mapping.
17361 (remap_type): Export.
17362 (remap_decls): Update for member name changes.
17363 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17364 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17365 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17366 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17367 (tree_function_versioning, build_duplicate_type): Likewise.
17368 (copy_body_r): Likewise. Export.
17369 (copy_decl_for_dup): Split into ...
17370 (copy_decl_for_dup_finish, copy_decl_to_var,
17371 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17372 (replace_ref_tree, inlining_p): Remove.
17374 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17376 * ifcvt.c (if_convert): Make it static.
17377 * rtl.h: Remove the prototype for if_convert.
17379 * local-alloc.c (local_alloc): Make it static.
17380 * rtl.h: Remove the prototype for local_alloc.
17382 * loop.c (loop_optimize): Make it static.
17383 * cfgloop.h: Remove the prototype for loop_optimize.
17386 2006-01-16 DJ Delorie <dj@redhat.com>
17388 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17391 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17393 * pa.md: Disparage copies between general and floating-point registers
17394 in 32-bit move patterns.
17396 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17399 * Makefile.in (check-%): Depend on site.exp instead of
17400 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17403 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17405 * global.c (global_alloc): Make it static.
17406 * rtl.h: Remove the prototype for global_alloc.
17408 2006-01-16 Richard Guenther <rguenther@suse.de>
17410 * tree-ssa-alias.c (struct used_part): Add write_only field.
17411 (get_or_create_used_part_for): Initialize it to true.
17412 (create_overlap_variables_for): Don't create structure variables
17413 for structures that only are written to.
17414 (find_used_portions): Handle MODIFY_EXPR to track whether a
17415 structure is only written to.
17417 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17419 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17421 * basic-block.h: Remove the prototype for
17422 partition_hot_cold_basic_blocks.
17424 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17426 * cppspec.c (lang_specific_spec_functions): Remove.
17427 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17428 * gcc.h (lang_specific_spec_functions): Remove.
17429 * gccspec.c (lang_specific_spec_functions): Remove.
17431 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17433 * combine.c (record_value_for_reg): Invalidate registers
17435 (record_dead_and_set_regs_1): Likewise, by passing them to
17436 record_value_for_reg.
17437 (record_dead_and_set_regs): Invalidate stores made by a
17438 call. We do not combine across a call, but we still
17439 relied on equivalences.
17441 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17443 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17444 vrp_int_const_binop returning non-constant nodes.
17446 2006-01-16 Paul Brook <paul@codesourcery.com>
17448 * config/m68k/m68k.c (output_move_const_into_data_reg):
17449 Output correct mnemonic for mvz and mvs.
17451 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17453 * rtl-factoring.c: Add sequence abstraction algorithm.
17454 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17455 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17457 (block_has_preserve_label): New function.
17458 * common.opt: Register new pass.
17459 * Makefile.in: Ditto.
17461 * timevar.def: Ditto.
17462 * tree-pass.h: Ditto.
17463 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17464 * rtl.h (make_jump_insn_raw): Add forward decl.
17465 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17467 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17468 Roger Sayle <roger@eyesopen.com>
17470 * fold-const.c (fold_minmax): New static function.
17471 (fold_binary) <MIN_EXPR>: Call it.
17472 <MAX_EXPR>: Likewise.
17473 * stor-layout.c (place_field): Use DECL_SIZE consistently
17474 in the computation of the new record size.
17476 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17478 * cse.c (cse_condition_code_reg): Make it static.
17479 * rtl.h: Remove the prototype for cse_condition_code_reg.
17481 * combine.c (combine_instructions): Make it static.
17482 * rtl.h: Remove the prototype for combine_instructions.
17484 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17487 * tree.c (get_file_function_name_long): Concatenate the first global
17488 object name with a string derived from the input filename of the object
17491 2006-01-16 Ben Elliston <bje@au.ibm.com>
17493 * config/i386/winnt-stubs.c: Update FSF address.
17494 * config/xtensa/ieee754-df.S: Ditto.
17495 * config/xtensa/ieee754-sf.S: Ditto.
17497 2006-01-14 Ian Lance Taylor <ian@airs.com>
17499 * ifcvt.c (noce_init_if_info): New static function, broken out of
17500 noce_process_if_block.
17501 (noce_process_if_block): Call noce_init_if_info.
17502 (check_cond_move_block): New static function.
17503 (cond_move_process_if_block): New static function.
17504 (process_if_block): Call cond_move_process_if_block.
17506 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17508 * cselib.c (hash_table): Rename to cselib_hash_table.
17509 (cselib_clear_table, discard_useless_values,
17510 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17511 cselib_init, cselib_finish): Adjust uses of hash_table.
17513 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17515 PR tree-optimization/25485
17516 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17517 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17518 is known to be false and true, respectively.
17520 2006-01-14 Richard Guenther <rguenther@suse.de>
17522 PR tree-optimization/22548
17523 PR tree-optimization/22555
17524 PR tree-optimization/22501
17525 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17526 * params.def (salias-max-array-elements): New parameter.
17527 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17528 * doc/invoke.texi (salias-max-array-elements): Document.
17529 * tree-flow-inline.h (var_can_have_subvars): We also handle
17531 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17533 * tree-ssa-structalias.c (params.h): Include.
17534 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17535 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17536 (get_constraint_for): For ADDR_EXPR operating on something
17537 containing an ARRAY_REF, add all subvars to the solution.
17538 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17539 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17540 for creating MUST_DEFs.
17541 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17543 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17545 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17547 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17548 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17549 number_of_iterations_le): New functions.
17550 (number_of_iterations_special): Removed.
17551 (number_of_iterations_exit): Do not use number_of_iterations_special.
17552 * tree.c (unsigned_type_for): Always return integer type.
17554 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17555 Richard Guenther <rguenther@suse.de>
17557 PR rtl-optimization/24257
17558 * gcse.c (find_moveable_store): Only consider a store movable
17559 when the SET_SRC of the insn can be assigned to a register.
17561 2006-01-14 Ian Lance Taylor <ian@airs.com>
17563 * tree.c (tree_not_class_check_failed): New function.
17564 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17565 (tree_not_class_check_failed): Declare.
17567 2006-01-13 Ian Lance Taylor <ian@airs.com>
17569 * reload1.c (do_output_reload): Add assertion rejecting a
17572 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17574 * combine.c (struct reg_stat): Add new fields truncation_label and
17576 (record_value_for_reg): Reset truncated_to_mode.
17577 (record_truncated_value): New function.
17578 (check_promoted_subreg): Call it. Rename to check_conversions.
17579 (combine_instructions): Rename check_promoted_subreg to
17581 (reg_truncated_to_mode): New function.
17582 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17583 (gen_lowpart_or_truncate): New function.
17584 (force_to_mode): Use it instead of gen_lowpart.
17586 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17588 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17589 VAR is a tag, not its type tag.
17591 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17593 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17594 alternatives to match style of other entries.
17595 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17597 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17599 PR tree-optimization/25771
17600 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17603 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17606 * tree-inline.c (declare_return_variable): If the return variable
17607 was marked as a non gimple complex, set the return slot variable
17608 to be a non gimple comple variable.
17610 2006-01-13 Richard Guenther <rguenther@suse.de>
17612 * builtins.c (expand_builtin_sincos): New function.
17613 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17615 (expand_builtin): Expand sincos using expand_builtin_sincos.
17617 2006-01-12 DJ Delorie <dj@redhat.com>
17619 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17620 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17621 so that constant shifts can be split.
17622 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17623 (m32c_valid_pointer_mode): Make static.
17624 (shift_gen_func_for): New.
17625 (m32c_prepare_shift): Use it. Split large const shifts into
17627 * config/m32c/predicates.md (shiftcount_operand): Allow more
17629 (longshiftcount_operand): New.
17630 * doc/md.texi (Machine Constraints): Document In6.
17632 2006-01-13 Ben Elliston <bje@au.ibm.com>
17634 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17635 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17638 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17640 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17641 to try to avoid clobbering pieces of structures when we know
17642 something about the whole structure.
17643 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17645 2006-01-13 Ben Elliston <bje@au.ibm.com>
17647 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17648 return in memory, as this is no limitation is no longer present.
17650 2006-01-12 DJ Delorie <dj@redhat.com>
17652 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17653 mova with fb, and for fb+0 -> An.
17655 * config/m32c/mov.md (peephole2): Fix enabling logic.
17657 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17658 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17659 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17660 FINI_ARRAY_SECTION_ASM_OP): Define.
17662 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17664 (m32c_legitimize_reload_address): New logic to reload FB to An.
17665 (m32c_output_reg_push): Add newline.
17666 (m32c_output_reg_pop): Likewise.
17668 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17670 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17672 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17674 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17676 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17678 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17681 2006-01-11 Ben Elliston <bje@au.ibm.com>
17683 * rtlanal.c (find_reg_note): Assert insn is not null.
17685 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17687 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17690 2006-01-11 Jeff Law <law@redhat.com>
17692 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17694 (mark_threaded_blocks, register_jump_thread): New functions.
17695 (thread_through_all_blocks): Remove unwanted argument. No
17696 longer rely on e->aux to communicate thread target info.
17697 Call mark_threaded_blocks. Release the threaded_blocks
17698 bitmap and threaded_edges vector when complete.
17699 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17700 (threaded_blocks): Remove.
17701 (tree_ssa_dominator_optimize): Remove initialization and
17702 finalization of threaded_blocks. Simplify call to
17703 thread_through_all_blocks.
17704 (thread_across_edge): Call register_jump_thread rather than
17705 storing thread information into e->aux.
17706 (free_all_edge_infos): Simplify now that e->aux is no longer
17707 used to communicate with thread_through_all_blocks.
17708 * tree-flow.h (thread_through_all_blocks): Update prototype.
17709 (register_jump_thread): Prototype.
17711 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17713 * df-core.c (df_compact_blocks, df_bb_replace): Use
17714 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17716 2006-01-11 Richard Guenther <rguenther@suse.de>
17718 PR tree-optimization/25734
17719 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17720 stop propagation after successful propagation to the LHS.
17722 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17724 * basic-block.h (control_flow_graph): Change the type of
17725 x_basic_block_info to VEC(basic_block,gc) *.
17726 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17728 (SET_BASIC_BLOCK): New.
17729 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17730 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17731 * cfgbuild.c (find_basic_blocks): Likewise.
17732 * cfglayout.c (fixup_reorder_chain): Likewise.
17733 * cfgrtl.c (create_basic_block_structure,
17734 rtl_create_basic_block): Likewise.
17735 * ifcvt.c (find_if_case_1): Likewise.
17736 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17739 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17741 * Makefile.in: Removed rotted odf.c entry.
17743 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17746 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17747 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17748 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17749 output pattern modifier, not %e.
17750 * config/cris/cris.c (cris_op_str): Update comment about pattern
17752 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17753 before falling through into...
17754 <case 'E'>: Redefined from old 'e' case.
17756 2006-01-11 Jan Hubicka <jh@suse.cz>
17759 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17761 2006-01-11 Jan Hubicka <jh@suse.cz>
17763 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17764 * i386.c (x86_decompose_lea): Kill.
17765 (ix86_rtx_costs): Kill.
17767 2006-01-11 Jan Hubicka <jh@suse.cz>
17769 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17770 * cgraph.h (cgraph_node): Add inline_decl.
17771 (cgraph_insert_node_to_hashtable): Declare.
17772 (save_inline_function_body): Declare.
17773 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17775 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17776 (cgraph_function_versioning): Update call of tree_function_versioning.
17777 (save_inline_function_body): New function.
17778 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17779 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17780 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17781 (cgraph_default_inline_p): Likewise.
17782 (cgraph_decide_inlining_incrementally): Likewise.
17783 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17784 (copy_bb): Kill saving; do updating of clones.
17785 (copy_cfg_body): Kill saving.
17786 (initialize_inlined-parameters): Likewise.
17787 (expand_call_inline): Likewise.
17789 (tree_function_versioning): New parameter "update_clones".
17790 (inlining_p): Kill saving.
17791 * tree-inline.h (tree_function_versioning): Update prototype.
17792 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17795 2006-01-11 Ian Lance Taylor <ian@airs.com>
17797 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17798 Allow undoing set of machine mode.
17799 (do_SUBST): Use enums instead of is_int.
17800 (do_SUBST_MODE): New function.
17801 (SUBST_MODE): New macro.
17802 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17803 reg and trying to replace reg_regno_rtx with a new register.
17804 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17805 (simplify_set): Use SUBST_MODE.
17806 (distribute_notes): Remove code that tried to update reg notes
17807 for regno_reg_rtx changes.
17809 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17811 PR tree-optimization/23109
17812 PR tree-optimization/23948
17813 PR tree-optimization/24123
17815 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17816 * tree-cfg.c (single_noncomplex_succ): New.
17817 * tree-flow.h (single_noncomplex_succ): Declare it.
17818 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17819 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17820 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17821 insert_bb, register_division_in, insert_reciprocals,
17822 replace_reciprocal, free_bb): New.
17823 (execute_cse_reciprocals_1): Rewritten.
17824 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17825 Do not commit any edge insertion. Always compute dominators and
17826 create the allocation pool.
17827 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17828 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17829 * targhooks.c (default_min_divistions_for_recip_mul): New.
17830 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17831 * passes.c (init_optimization_passes): Run recip after tree loop
17833 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17835 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17836 Kenneth Zadeck <zadeck@naturalbridge.com>
17838 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17839 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17840 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17841 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17842 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17843 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17844 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17845 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17846 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17847 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17848 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17849 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17850 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17851 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17852 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17853 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17854 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17855 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17856 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17857 DF_SCAN_POST_ALLOC): New macros.
17858 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17859 df_free_bb_function, df_local_compute_function, df_init_function,
17860 df_dataflow_function, df_confluence_function_0,
17861 df_confluence_function_n, df_transfer_function,
17862 df_finalizer_function, df_free_function, df_dump_problem_function,
17863 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17864 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17865 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17866 df_urec_bb_info, ) New types.
17867 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17869 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17870 df_analyze_simple_change_some_blocks,
17871 df_analyze_simple_change_one_block, df_compact_blocks,
17872 df_bb_replace, df_bb_regno_last_use_find,
17873 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17874 df_insn_regno_def_p, df_find_def, df_find_use,
17875 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17876 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17877 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17878 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17879 debug_df_chain, df_get_dependent_problem, df_chain_create,
17880 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17881 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17882 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17883 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17884 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17885 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17886 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17887 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17888 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17889 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17890 df_reorganize_refs, df_set_state, df_hard_reg_init,
17891 df_read_modify_subreg_p) New public functions.
17892 * df-core.c: The core dataflow solver and glue routines for rtl
17894 (df_init, df_add_problem, df_set_blocks, df_finish,
17895 df_hybrid_search_forward, df_hybrid_search_backward,
17896 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17897 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17898 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17899 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17900 df_reg_defined, df_find_use, df_reg_used, df_dump,
17901 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17902 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17903 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17904 debug_df_useno, reset_df_after_reload): New functions.
17905 * df-scan.c: The scanning fuctions, once in df.c, completely
17906 rewritten so that they now fully model the functionality of
17907 register usage at the backend.
17908 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17909 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17910 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17911 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17912 df_get_artificial_defs, df_get_artificial_uses,
17913 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17914 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17915 df_refs_delete, df_reorganize_refs, df_set_state,
17916 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17917 df_def_record_1, df_defs_record, df_uses_record,
17918 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17919 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17920 df_record_exit_block_uses, df_hard_reg_init): New functions.
17922 * df-problems.c: Seven concrete dataflow problems that use the
17923 scanning in df-scan.c and are solved by the engine in df-core.c.
17924 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17925 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17926 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17927 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17928 df_ru_free_bb_info, df_ru_alloc,
17929 df_ru_bb_local_compute_process_def,
17930 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17931 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17932 df_ru_transfer_function, df_ru_free, df_ru_dump,
17933 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17934 df_rd_free_bb_info, df_rd_alloc,
17935 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17936 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17937 df_rd_transfer_function, df_rd_free, df_rd_dump,
17938 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17939 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17940 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17941 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17942 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17943 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17944 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17945 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17946 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17947 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17948 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17949 df_urec_mark_reg_use_for_earlyclobber,
17950 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17951 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17952 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17953 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17954 df_chain_create_bb_process_use, df_chain_create_bb,
17955 df_chain_finalize, df_chain_free, df_chains_dump,
17956 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17957 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17958 df_reg_lifetime): New functions.
17959 * df.c: Deleted file.
17960 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17961 consistent with new df api.
17962 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17963 rest_of_handle_sms): Ditto.
17964 * web.c (unionfind_union, union_defs, entry_register, web_main):
17966 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17967 invariant_expr_equal_p, find_defs, check_dependencies,
17968 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17969 free_inv_motion_data, move_loop_invariants): Ditto.
17970 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17971 Update dependencies.
17972 (odf.c): Added defective entry that was deleted later in day.
17973 * sched-deps.c (sched_analyze_1): Ditto.
17975 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17977 * tree-ssa-operands.c (get_expr_operands): Record addressable
17978 variables directly. Do not call add_stmt_operands for CONST_DECLs
17980 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17981 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17983 2006-01-11 Ben Elliston <bje@au.ibm.com>
17985 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17986 function returns true in the positive case.
17988 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17991 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17992 for SI, DI, SF and DF modes. Add alternatives to copy between
17993 general and floating point registers to the 32-bit patterns.
17994 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17995 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17996 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17997 generating 64-bit code.
17998 * config/pa/pa.c (output_move_double): Handle copies between general
17999 and floating registers.
18001 2006-01-10 Stuart Hastings <stuart@apple.com>
18003 * config/i386/i386.md (set_got): Update.
18004 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18005 (builtin_setjmp_receiver): Mach-O support.
18006 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18007 (GOT_SYMBOL_NAME): Define.
18008 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18009 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18010 * config/i386/i386.c (override_options): Revise for Darwin.
18011 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18012 support. (darwin_x86_file_end): New. (output_set_got): Add label
18013 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18014 * config/i386/i386-protos.h (output_set_got): Likewise.
18015 * config/darwin.c (machopic_legitimize_pic_address): Update
18018 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18020 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18021 when MODE isn't BLKmode.
18023 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18025 PR rtl-optimization/25367
18026 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18028 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18031 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18032 for a negative bound.
18034 2006-01-10 Richard Guenther <rguenther@suse.de>
18036 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18037 Never override with anything constraint.
18039 2006-01-10 Jan Beulich <jbeulich@novell.com>
18041 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18042 256 bits when optimize_size.
18044 2006-01-10 Jan Beulich <jbeulich@novell.com>
18046 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18048 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18049 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18052 2006-01-10 Ben Elliston <bje@au.ibm.com>
18054 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18056 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18057 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18058 (USE_FP_FOR_ARG): Reject decimal float modes.
18059 (function_arg_advance): Likewise.
18060 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18061 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18062 point types in AltiVec vectors.
18063 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18064 (rs6000_libcall_value): Likewise.
18066 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18068 * config/xtensa/ieee754-df.S: New file.
18069 * config/xtensa/ieee754-sf.S: New file.
18070 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18071 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18072 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18074 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18076 * config/sh/predicates.md (binary_float_operator,
18077 binary_logical_operator, commutative_float_operator,
18078 equality_comparison_operator, greater_comparison_operator,
18079 less_comparison_operator, logical_operator,
18080 noncommutative_float_operator, shift_operator,
18081 symbol_ref_operand, unary_float_operator): Remove redundant
18084 2006-01-09 Jeff Law <law@redhat.com>
18086 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18087 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18088 now unused arguments. Callers updated.
18089 (eliminate_redundant_computations): Remove now unused arguments,
18091 (local_fold): Remove, no longer used.
18092 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18094 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18095 (simplify_cond): New function.
18096 (forward_propagate_into_cond): Call simplify_cond.
18098 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18100 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18101 (*vec_extractv2di_1_sse): New.
18103 2006-01-09 Ben Elliston <bje@au.ibm.com>
18105 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18107 2006-01-08 Richard Guenther <rguenther@suse.de>
18109 * tree-ssa-structalias.c (get_constraint_for): Remove
18110 anyoffset argument.
18111 (get_constraint_for_component_ref): Likewise.
18112 (do_deref): Likewise.
18113 (get_constraint_for): Likewise.
18114 (do_structure_copy): Likewise.
18115 (handle_ptr_arith): Likewise.
18116 (find_func_aliases): Likewise. Remove unused need_anyoffset
18119 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18120 Kaz Kojima <kkojima@gcc.gnu.org>
18122 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18123 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18124 (EXTRA_CONSTRAINT_C16): Remove.
18125 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18126 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18127 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18128 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18129 constants of SHmedia. Handle nested constant expressions of
18131 (andcosts): Fix the costs for SHmedia constants.
18132 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18133 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18134 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18135 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18136 (movv4hi_i, movv2si_i): Likewise.
18137 (movsi_const): Adjust the second operand of ior so to match with
18138 the Csu constraint.
18139 (movdi_const, movdi_const_32bit): Likewise.
18140 (movdi_const_16bit+1): Don't sign-extend LOW.
18141 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18143 (*double_shori): Fix the split condition. Use GEN_INT instead
18144 of get_int_mode calls. Mask lower 16-bit of the argument of
18146 (sym2GOTPLT): Remove.
18147 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18149 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18150 instead of EXTRA_CONSTRAINT_C16.
18152 2006-01-07 Ian Lance Taylor <ian@airs.com>
18153 David Edelsohn <edelsohn@gnu.org>
18155 PR rtl-optimization/25662
18156 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18157 for constant operands instead of simplify_gen_binary.
18158 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18159 after trying simplify_binary_operation
18161 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18163 * tree.c (iterative_hash_expr): Hash decls based on UID.
18165 2006-01-06 Eric Christopher <echristo@apple.com>
18167 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18168 (TARGET_UNWIND_EMIT): Fix spelling.
18169 * target.h (gcc_target): Add except_table_label.
18170 * except.c (output_function_exception_table): Use.
18171 * varasm.c (default_emit_except_table_label): New.
18172 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18174 (asm_out): Add here.
18175 * output.h (default_emit_except_table_label): Prototype.
18176 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18177 * config/darwin.c (darwin_emit_except_table_label): Define.
18178 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18180 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18182 PR tree-optimization/18527
18183 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18184 number_of_iterations_special, number_of_iterations_exit):
18185 Move base and step of an iv to a single structure. Add
18186 no_overflow flag, and use it in # of iterations analysis.
18187 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18188 folded_casts argument.
18189 (simple_iv): Pass base and step in a structure. Set no_overflow
18191 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18192 Evaluate expensiveness of computing # of iterations instead of
18193 the final expression.
18194 * tree-scalar-evolution.h (affine_iv): New structure.
18195 (simple_iv): Declaration changed.
18196 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18197 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18198 find_givs_in_stmt): Changed due to simple_iv change.
18200 2006-01-06 Jeff Law <law@redhat.com>
18203 * tree-cfg.c (bsi_replace): Rename final argument from
18204 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18205 change (stmt -> orig_stmt).
18206 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18207 (bsi_remove): Add new argument. Remove EH information
18209 (verify_eh_throw_table_statements): New function.
18210 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18212 * tree-optimize.c (execute_free_cfg_annotations): Verify
18213 the EH throw statement table after removing annotations.
18214 * except.h (verify_eh_throw_table_statements): Prototype.
18215 * tree-flow.h (bsi_remove): Update prototype.
18216 * tree-vrp.c (remove_range_assertions): Add new argument to
18218 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18219 * tree-complex.c (expand_complex_div_wide): Likewise.
18220 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18221 * tree-tailcall.c (eliminate_tailcall): Likewise.
18222 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18223 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18224 * tree-nrv.c (tree_nrv): Likewise.
18225 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18226 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18227 (combine_blocks): Likewise.
18228 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18229 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18230 (cleanup_control_flow): Likewise.
18231 (remove_forwarder_block): Likewise.
18232 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18233 * tree-sra.c (sra_replace): Likewise.
18234 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18235 (forward_propagate_single_use_vars): Likewise.
18236 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18237 * tree-inline.c (expand_call_inline): Likewise.
18238 * tree-vect-transform.c (vect_transform_loop): Likewise.
18239 * tree-outof-ssa.c (rewrite_trees): Likewise.
18240 * tree-cfg.c (make_goto_expr_edges): Likewise.
18241 (cleanup_dead_labels): Likewise.
18242 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18243 (bsi_move_before, bsi_move_after): Likewise.
18244 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18245 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18247 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18250 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18252 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18253 on non gimple variables. Also add checks at the top for decls and
18255 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18257 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18258 and IMAGPART_EXPR for creating MUST_DEFs.
18259 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18260 and NAME_MEMORY_TAG separately from the DECLs.
18262 2006-01-06 Richard Guenther <rguenther@suse.de>
18264 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18265 annotation, if necessary.
18266 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18267 redundant calls to update_stmt.
18268 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18271 2006-01-05 Richard Henderson <rth@redhat.com>
18273 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18275 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18277 * c-typeck.c: Update copyright date.
18279 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18281 * c-typeck.c (build_c_cast): Always warn when casting
18282 from a pointer to an integer of different size, even if
18283 the node was constant.
18285 2006-01-05 Richard Guenther <rguenther@suse.de>
18287 PR tree-optimization/22555
18288 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18289 if one structure field is an array.
18290 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18291 operands even if we found a subvar, but ignore VOPs in this
18293 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18295 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18297 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18299 PR middle-end/24998
18300 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18302 2006-01-05 Richard Guenther <rguenther@suse.de>
18303 Diego Novillo <dnovillo@redhat.com>
18305 * tree-pass.h (TODO_remove_unused_locals): Define.
18306 * gimple-low.c (expand_var_p, remove_useless_vars,
18307 pass_remove_useless_vars): Remove. Update all users.
18308 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18309 (remove_unused_locals): New function.
18310 * tree-flow.h (remove_unused_locals): Declare.
18311 * passes.c (execute_todo): Call remove_unused_locals if
18312 TODO_remove_unused_locals is set.
18313 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18314 * tree-ssa-dce.c (pass_dce): Likewise.
18315 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18317 2006-01-05 Richard Guenther <rguenther@suse.de>
18319 * tree-flow.h (struct fieldoff): Decompose field to
18320 type, size and decl.
18321 * tree-ssa-alias.c (create_sft): Take type as parameter.
18322 (create_overlap_variables_for): Store type, size and decl
18323 in the fieldoff structure.
18324 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18325 of struct fieldoff.
18326 (push_fields_onto_fieldstack): Likewise.
18327 (create_variable_info_for): Likewise. Use offset for the
18328 SFT name if the decl is not available.
18330 2006-01-04 Paul Brook <paul@codesourcery.com>
18332 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18334 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18336 * lambda-code.c (can_put_in_inner_loop): Relax
18338 (can_put_after_inner_loop): New function.
18339 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18340 (perfect_nestify): Change to make copies and modify uses.
18342 2006-01-04 Richard Henderson <rth@redhat.com>
18344 Merge from gomp branch:
18345 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18346 via integer constant.
18347 (pragma_lex): Remove.
18348 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18349 rather than parsing it.
18350 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18351 handle_pragma_extern_prefix): Add %< %> quotes.
18352 (registered_pragmas): New.
18353 (c_register_pragma_1): New.
18354 (c_register_pragma): Use it.
18355 (c_register_pragma_with_expansion): Likewise.
18356 (c_invoke_pragma_handler): New.
18357 (init_pragma): Use cpp_register_deferred_pragma directly for
18359 * c-pragma.h (enum pragma_kind): New.
18360 (pragma_handler): New.
18361 (c_invoke_pragma_handler): Declare.
18362 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18364 * c-common.h (c_common_pch_pragma): Update decl.
18365 * Makefile.in (c-parser.o): Update dependencies.
18366 (GTFILES): Add c-pragma.h.
18367 * c-parser.c (struct c_token): Add pragma_kind.
18368 (struct c_parser): Add in_pragma.
18369 (c_lex_one_token): Always initialize keyword and pragma_kind.
18370 Extract data for CPP_PRAGMA.
18371 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18372 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18373 Don't allow CPP_PRAGMA_EOL if in_pragma.
18374 (c_parser_consume_pragma): New.
18375 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18376 (c_parser_skip_to_end_of_parameter): Likewise.
18377 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18378 (c_parser_skip_to_pragma_eol): New.
18379 (c_parser_external_declaration): Handle CPP_PRAGMA.
18380 (c_parser_compound_statement_nostart): Likewise.
18381 (c_parser_statement_after_labels): Likewise.
18382 (c_parser_pragma): New.
18383 (pragma_lex): Likewise.
18384 (c_parser_pragma_pch_preprocess): New.
18385 (c_parser_new): Merge into ...
18386 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18388 2006-01-04 Jeff Law <law@redhat.com>
18391 * tree-cfg.c (bsi_replace): Remove the original statement
18392 from the EH throw statement table.
18394 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18396 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18397 make the prototype extern "C" and add throw ().
18400 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18401 and pos non-negative and pos + len <= 32.
18402 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18403 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18404 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18407 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18408 as well as sizes not multiple of component size.
18411 * function.c (instantiate_expr): New function.
18412 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18413 walk its DECL_VALUE_EXPR with instantiate_expr.
18415 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18416 DW_OP_deref{,_size} if address isn't going to be added.
18418 2006-01-04 Ben Elliston <bje@au.ibm.com>
18420 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18421 * config/fp-bit.c: Likewise.
18423 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18425 * dominance.c: Add comment about why we use DFS numbering
18428 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18429 Richard Henderson <rth@redhat.com>
18431 Merge from gomp-branch:
18432 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18433 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18435 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18437 PR rtl-optimization/25578
18438 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18439 pass a parameter to simplify_shift_const if changing ASHIFTRT
18442 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18444 * builtins.c (get_builtin_sync_mem): New function.
18445 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18446 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18447 Call get_builtin_sync_mem to generate mem rtx.
18449 2006-01-03 Richard Guenther <rguenther@suse.de>
18452 * stmt.c (add_case_node): Make sure to clear overflow flags
18455 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18457 Merge from gomp-branch.
18458 * config/sparc/sync.md: New file.
18459 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18460 UNSPECV_LDSTUB): New constants.
18461 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18462 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18463 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18466 2006-01-03 Roger Sayle <roger@eyesopen.com>
18468 * combine.c (reg_subword_p): New predicate to test whether the
18469 destination of a set refers to a subword/piece of a register.
18470 (try_combine): Generalize the code to merge the setting of a
18471 pseudo to a constant followed by a set of a subword of that
18472 register to a constant.
18474 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18476 * basic-block.h (control_flow_graph): Change the type of
18477 x_label_to_block_map to VEC(basic_block,gc) *.
18478 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18479 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18481 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18482 VEC(basic_block,heap) *.
18483 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18484 ssa_prop_fini): Adjust the uses of cfg_blocks.
18486 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18488 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18490 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18491 hashing trees instead of a pointer hash.
18492 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18493 compare for MEM_EXPR.
18495 PR rtl-optimization/25130
18496 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18497 when comparing MEMs for GCSE
18499 2006-01-03 Ben Elliston <bje@au.ibm.com>
18501 * targhooks.h (default_decimal_float_supported_p): Declare.
18502 * targhooks.c (default_decimal_float_supported_p): Define.
18503 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18504 `default_decimal_float_supported_p'.
18505 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18507 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18509 * combine.c (apply_distributive_law <SUBREG>): Check
18510 TRULY_NOOP_TRUNCATION.
18512 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18514 * dwarf2out.c (have_switched_text_section): Delete.
18515 (have_multiple_function_sections): New.
18516 (have_location_lists): Make 'bool'.
18517 (add_AT_loc_list): Use 'true' not '1'.
18518 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18519 (output_loc_list): Use have_multiple_function_sections.
18520 (output_ranges): Likewise.
18521 (dwarf2out_begin_function): Set have_multiple_function_sections if
18523 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18524 Check function_section rather than DECL_SECTION_NAME.
18525 (dwarf2out_finish): Use have_multiple_function_sections.
18526 Don't clear have_location_lists.
18528 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18529 Jan Hubicka <jh@suse.cz>
18531 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18532 case of conditional jump jumping to the next instruction.
18533 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18534 cases of conditional jump jumping to the next instruction.
18536 2006-01-02 Jan Hubicka <jh@suse.cz>
18538 * i386.c (*_cost): Add COSTS_N_INSNS.
18539 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18541 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18544 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18546 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18548 * config/arm/arm.c (all_fpus): Fix comment typo.
18549 * config/darwin.c: Likewise.
18550 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18551 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18552 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18554 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18556 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18557 (rs6000_split_compare_and_swapqhi): New.
18558 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18559 (sync_compare_and_swapqhi_internal): New.
18560 * config/rs6000/rs6000-protos.h: Declare.