1 2006-02-23 Roger Sayle <roger@eyesopen.com>
2 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4 * gthr-posix.h (__gthrw): Fix typo in comment.
6 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8 * doc/cpp.texi (Character sets): Document that we do support
9 input files to be in any character set.
11 2006-02-23 Jeff Law <law@redhat.com>
13 * tree.h (PHI_ARG_NONZERO): Remove.
14 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
18 PR tree-optimization/26425
19 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
20 min/max, then assume its varying.
22 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
24 PR rtl-optimization/26316
25 * rtlanal.c (enum may_trap_p_flags): New.
26 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
27 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
28 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
29 (may_trap_after_code_motion_p): New function.
30 * loop-invariant.c (find_identical_invariants): Fix dump formating.
31 (find_invariant_insn): Use may_trap_after_code_motion_p.
32 * rtl.h (may_trap_after_code_motion_p): Declare.
34 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
36 * emit-rtl.c (immed_double_const): Cleanup.
38 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
40 Fix PR tree-optimization/26376
41 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
44 2006-02-23 Jakub Jelinek <jakub@redhat.com>
47 * gimplify.c (omp_add_variable): Guard variable size decl test with
48 DECL_SIZE (decl) check.
50 2006-02-23 Richard Guenther <rguenther@suse.de>
53 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
56 2006-02-23 Jakub Jelinek <jakub@redhat.com>
58 * configure.ac: Add --with{,out}-long-double-128 configure option.
59 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
62 * doc/install.texi (Options specification): Document
63 --with-long-double-128.
65 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
66 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
67 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
68 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
70 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
72 * config/s390/s390.c (override_options): Handle
73 TARGET_DEFAULT_LONG_DOUBLE_128.
75 * config/alpha/alpha.c (override_options): Handle
76 TARGET_DEFAULT_LONG_DOUBLE_128.
78 * config/sparc/sparc.c (sparc_override_options): Handle
79 TARGET_DEFAULT_LONG_DOUBLE_128.
81 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
83 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
84 (real-install-headers-tar, real-install-headers-cpio)
85 (real-install-headers-cp): New targets.
87 2006-02-22 Richard Sandiford <richard@codesourcery.com>
89 * tree.h (variable_section): Delete.
90 * varasm.c (variable_section): Delete.
92 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
94 * install.texi: Add notes on install.texi2html.
95 (Building in parallel): Do not use footnotes.
97 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
100 * doc/install.texi (Configuration): Document --disable-libgomp.
102 2006-02-21 Geoffrey Keating <geoffk@apple.com>
104 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
106 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
108 * config/i386/sse.md (vec_extractv2df_1_sse): New.
109 (vec_extractv2df_0_sse): New.
111 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
113 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
114 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
115 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
116 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
117 to the result of the expression.
119 (frame_pointer_cfa_offset): Rename to...
120 (frame_pointer_fb_offset): ... this. Adjust all uses.
121 (convert_cfa_to_loc_list): Rename to...
122 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
123 Pass it on to build_cfa_loc.
124 (compute_frame_pointer_to_cfa_displacement): Rename to...
125 (compute_frame_pointer_to_fb_displacement): ... this. New
126 offset parameter. Use it in computation.
127 (gen_subprogram_die): Compute cfa_fb_offset with the new
128 macro, and use it to compute the fb loc list and the
131 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
133 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
134 replaced with register_operand.
135 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
136 non-DREG is expensive.
137 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
138 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
141 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
143 * doc/install.texi2html: Use set -e.
145 2006-02-21 Richard Sandiford <richard@codesourcery.com>
147 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
148 (ASM_OUTPUT_SHARED_LOCAL): Delete.
149 * doc/invoke.texi (-fshared-data): Delete.
150 * common.opt (fshared-data): Delete.
151 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
152 (assemble_static_space): Remove #if 0 code.
153 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
154 (ASM_OUTPUT_SHARED_LOCAL): Poison.
155 * config/cris/cris.h: Remove FIXME.
157 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
159 * doc/sourcebuild.texi (Front End Directory): No more double-colon
162 2006-02-21 Jakub Jelinek <jakub@redhat.com>
165 * combine.c (simplify_shift_const_1): Disable nested shifts
166 optimization for vector shifts.
168 2006-02-20 Roger Sayle <roger@eyesopen.com>
170 PR tree-optimization/26361
171 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
172 of unsigned integer types.
174 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
176 * tree-chrec.c (eq_evolutions_p): New.
177 * tree-chrec.h (eq_evolutions_p): Declared.
178 * tree-data-ref.c: Fix formatting.
179 (datadep_stats, dependence_stats): New.
181 (print_direction_vector): New.
182 (dump_data_dependence_relation): Use print_direction_vector.
183 (object_analysis, create_data_ref): Handle COMPONENT_REF.
184 (compute_subscript_distance): Static.
185 (initialize_data_dependence_relation): Static. Get the number
186 of loops surrounding the references from the callers, and initialize
187 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
188 base_object_differ_p analyzers.
189 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
190 compute_overlap_steps_for_affine_1_2,
191 analyze_subscript_affine_affine): Count the classified dependences.
192 Print a message when a test failed.
193 (can_use_analyze_subscript_affine_affine): New.
194 (analyze_siv_subscript): Compute the data dependences on symbolic
195 scevs that verify can_use_analyze_subscript_affine_affine.
196 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
197 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
198 Handle symbolic scevs.
199 (analyze_overlapping_iterations): Let symbolic affine scevs to be
201 (subscript_dependence_tester): Moved...
202 (build_classic_dist_vector, build_classic_dir_vector): Don't use
203 lambda_vector_clear on newly allocated vectors. Get nb_loops from
204 DDR_SIZE_VECT instead of getting it in parameter.
205 (subscript_dependence_tester): ... here. Take as a parameter
206 loop_nest_depth. Call build_classic_dist_vector and
207 build_classic_dir_vector.
208 (compute_affine_dependence): Update subscript_dependence_tester
209 parameters. Update datadep_stats counters. Call
210 compute_subscript_distance.
211 (compute_self_dependence): Save the dist and dir vectors. Call
212 compute_subscript_distance.
213 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
214 (compute_all_dependences): Reorder parameters as they were before
215 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
216 compute_subscript_distance. Update the use of
217 compute_affine_dependence and initialize_data_dependence_relation.
218 (find_data_references_in_loop): Handle COMPONENT_REF.
219 (compute_data_dependences_for_loop): Initialize dependence_stats.
220 Don't call build_classic_dist_vector and build_classic_dir_vector.
221 Update the parameters of initialize_data_dependence_relation and
222 compute_all_dependences. Print the statistics from datadep_stats.
223 (analyze_all_data_dependences): Static. Not used until the pass for
224 checking the data dependences is contributed.
225 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
226 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
227 (initialize_data_dependence_relation, compute_affine_dependence,
228 analyze_all_data_dependences, compute_subscript_distance): Removed.
229 (print_direction_vector): New.
230 * lambda.h (gcd): ... here.
231 (lambda_vector_gcd): Moved here from gcd_vector.
232 * lambda-code.c (gcd, gcd_vector): Removed.
233 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
234 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
236 2006-02-20 Diego Novillo <dnovillo@redhat.com>
238 * ipa-type-escape.c: Tidy some comments and white space.
239 * tree-ssa-operands.c: Likewise.
241 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
244 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
245 (dump_decl_name): Do not walk the decl tree chains.
246 * tree-pass.h (TDF_CHAIN): Remove.
248 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
250 * Makefile.in (C): Remove
252 (.PHONY): Remove C and PROTO
254 2006-02-20 Roger Sayle <roger@eyesopen.com>
257 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
258 deprecated CHAR_TYPE tree code.
260 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
262 * configure.ac (target_list): Add install-info, dvi, html.
263 * configure: Regenerate.
265 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
266 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
267 treelang/Make-lang.in: Do not use double-colon rules.
269 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
271 * tree.h (struct tree_memory_tag): Add is_used_alone member.
272 (TMT_USED_ALONE): New macro.
273 * tree-pass.h (PROP_tmt_usage): New property.
274 (TODO_update_tmt_usage): New todo.
275 * tree-ssa-alias.c (updating_used_alone): New variable.
276 (recalculate_used_alone): New function.
277 (compute_may_aliases): Set updating_used_alone, call
278 recalculate_used_alone.
279 * tree-sra.c (pass_sra): Note that this pass destroys
280 PROP_tmt_usage, and add TODO_update_tmt_usage.
281 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
282 * tree-flow.h (updating_used_alone): Prototype.
283 (recalculate_used_alone): Ditto.
284 * passes.c (execute_todo): Add code to set updating_used_alone,
285 and call recalculate.
286 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
287 for clobber if used alone, and add assert to verify used_alone
290 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
292 * config/s390/s390.c (legitimize_pic_address): Assertions checking
293 for non tls symbols added.
294 (legitimize_address): Do nothing for PLUS expressions if one of the
295 addends is a tls symbol reference.
297 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
301 * Makefile.in (LDFLAGS): Define from autoconf substitution.
303 * Makefile.in (BOOTSTRAPPING): New.
304 (quickstrap): New definition if BOOTSTRAPPING=yes.
306 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
307 * configure.ac: Substitute all_selected_languages with the languages
308 that were configured. For all the other variables except
309 lang_specs_files, include all the languages in the tree.
310 * configure: Regenerate.
312 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
313 if there is one. Run the commands to run fixincludes in the same
316 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
317 * doc/install.texi: Document exact conventions for searching target tools.
318 Document --with-build-time-tools. Document toplevel bootstrap. Document
319 something more about building an Ada cross-compiler. Don't list GNU Make
320 requirements which affect all platforms.
322 2006-02-19 Roger Sayle <roger@eyesopen.com>
325 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
326 only equivalent if the have both the same mode and precision.
328 2006-02-20 Ben Elliston <bje@au.ibm.com>
330 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
332 2006-02-19 Roger Sayle <roger@eyesopen.com>
333 Steven Bosscher <stevenb.gcc@gmail.com>
335 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
336 constant pool references to identify stack mode constants.
337 * rtlanal.c (constant_pool_constant_p): New predicate to check
338 whether operand is a floating point constant in the pool.
339 * rtl.h (constant_pool_constant_p): Prototype here.
340 * loop.c (scan_loop): Avoid hoisting constants from the constant
341 pool on STACK_REGS targets.
342 (load_mems): Likewise.
343 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
344 loads into x87 registers expensive in terms of register pressure.
346 2006-02-19 Roger Sayle <roger@eyesopen.com>
348 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
349 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
351 2006-02-19 David Edelsohn <edelsohn@gnu.org>
353 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
354 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
356 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
358 * doc/invoke.texi: Document -fipa-pta.
359 * common.opt: Add ipa-pta option.
360 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
361 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
362 (do_ds_constraint): Ditto.
363 (get_constraint_for): Only add to referenced_vars if
364 referenced_vars exists.
365 (insert_into_field_list): Rewrite to do this unsorted.
366 (insert_into_field_list_sorted): Rename old insert_into_field_list
368 (create_function_info_for): Use insert_into_field_list_sorted.
369 (create_variable_info_for): Rewrite so it uses unsorted version,
370 since the field list is sorted.
371 (intra_create_variable_infos): Only add to referenced_vars if
372 referenced_vars exists.
373 (ipa_pta_execute): Init heapvars, and delete when done.
374 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
376 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
378 * doc/install.texi: Add missing `@samp'.
380 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
382 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
385 2006-02-18 Mark Wielaard <mark@klomp.org>
387 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
388 who added new 4.1 features, bug fixes and integration support.
390 2006-02-18 David Edelsohn <edelsohn@gnu.org>
393 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
396 2006-02-18 Richard Sandiford <richard@codesourcery.com>
398 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
399 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
400 (copy_insn_1): Likewise. Don't copy each field individually.
402 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
404 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
405 * rtl.c (rtx_size): Rename variable to...
406 (rtx_code_size): ...this.
407 (rtx_size): New function.
408 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
409 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
411 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
412 * rtl.h (rtx_code_size): New variable.
413 (rtx_size): Change from a variable to a function.
414 (RTX_SIZE): Rename to...
415 (RTX_CODE_SIZE): ...this.
418 PR tree-optimization/17106
419 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
420 (Anchored Addresses): New section.
421 * doc/invoke.texi (-fsection-anchors): Document.
422 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
423 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
424 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
425 * hooks.c (hook_bool_mode_rtx_false): New function.
426 * hooks.h (hook_bool_mode_rtx_false): Declare.
427 * gengtype.c (create_optional_field): New function.
428 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
429 SYMBOL_REF_IN_BLOCK_P is true.
430 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
431 (min_anchor_offset, max_anchor_offset): Likewise.
432 (use_anchors_for_symbol_p): New hook.
433 * toplev.c (compile_file): Call output_object_blocks.
434 (target_supports_section_anchors_p): New function.
435 (process_options): Check that -fsection-anchors is only used on
436 targets that support it and when -funit-at-a-time is in effect.
437 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
438 if the decl doesn't have one.
439 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
440 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
441 of force_const_mem through use_anchored_address.
442 (expand_expr_constant): New function.
443 (expand_expr_addr_expr_1): Call it. Use the same modifier when
444 calling expand_expr for INDIRECT_REF.
445 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
446 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
447 * expr.h (use_anchored_address): Declare.
448 * loop-unroll.c: Don't declare rtx vectors here.
449 * explow.c: Include output.h.
450 (validize_mem): Call use_anchored_address.
451 (use_anchored_address): New function.
452 * common.opt (-fsection-anchors): New switch.
453 * varasm.c (object_block_htab, anchor_labelno): New variables.
454 (hash_section, object_block_entry_eq, object_block_entry_hash)
455 (use_object_blocks_p, get_block_for_section, create_block_symbol)
456 (use_blocks_for_decl_p, change_symbol_section): New functions.
457 (get_variable_section): New function, split out from assemble_variable.
458 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
459 use_blocks_for_decl_p say so. Use change_symbol_section if the
460 symbol has already been created.
461 (assemble_variable_contents): New function, split out from...
462 (assemble_variable): ...here. Don't output any code for
463 block symbols; just pass them to place_block_symbol.
464 Use get_variable_section and assemble_variable_contents.
465 (get_constant_alignment, get_constant_section, get_constant_size): New
466 functions, split from output_constant_def_contents.
467 (build_constant_desc): Create a block symbol if use_object_blocks_p
468 says so. Or into SYMBOL_REF_FLAGS.
469 (assemble_constant_contents): New function, split from...
470 (output_constant_def_contents): ...here. Don't output any code
471 for block symbols; just pass them to place_section_symbol.
472 Use get_constant_section and get_constant_alignment.
473 (force_const_mem): Create a block symbol if use_object_blocks_p and
474 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
475 (output_constant_pool_1): Add an explicit alignment argument.
476 Don't switch sections here.
477 (output_constant_pool): Adjust call to output_constant_pool_1.
478 Switch sections here instead. Don't output anything for block symbols;
479 just pass them to place_block_symbol.
480 (init_varasm_once): Initialize object_block_htab.
481 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
482 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
483 (place_block_symbol, get_section_anchor, output_object_block)
484 (output_object_block_htab, output_object_blocks): New functions.
485 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
486 (TARGET_ASM_OUT): Include it.
487 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
488 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
489 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
490 (TARGET_INITIALIZER): Include them.
491 * rtl.c (rtl_check_failed_block_symbol): New function.
492 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
493 (block_symbol, object_block): New structures.
494 (rtx_def): Add a block_symbol field to the union.
495 (BLOCK_SYMBOL_CHECK): New macro.
496 (rtl_check_failed_block_symbol): Declare.
497 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
498 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
499 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
500 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
501 * output.h (output_section_symbols): Declare.
502 (object_block): Name structure.
503 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
504 (default_use_anchors_for_symbol_p): Declare.
505 * Makefile.in (RTL_BASE_H): Add vec.h.
506 (explow.o): Depend on output.h.
507 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
508 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
509 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
510 (rs6000_use_blocks_for_constant_p): New function.
512 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
514 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
516 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
519 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
522 2006-02-18 Diego Novillo <dnovillo@redhat.com>
524 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
528 2006-02-18 Jakub Jelinek <jakub@redhat.com>
531 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
532 instead of DECL_REGISTER.
534 2006-02-18 Olivier Hainque <hainque@adacore.com>
537 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
539 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
542 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
543 * opth-gen.awk: Handle Var and InverseMask together.
544 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
545 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
546 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
547 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
549 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
550 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
551 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
552 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
553 LINUX_DYNAMIC_LINKER): Define.
554 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
555 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
557 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
558 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
559 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
561 (TARGET_C99_FUNCTIONS): Don't define.
562 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
563 GLIBC_DYNAMIC_LINKER.
564 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
565 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
566 GLIBC_DYNAMIC_LINKER64): Define.
567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
568 LINUX_DYNAMIC_LINKER64.
569 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
571 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
572 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
573 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
575 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
576 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
577 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
579 and LINUX_DYNAMIC_LINKER32.
580 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
582 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
584 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
586 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
587 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
588 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
589 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
590 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
591 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
592 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
593 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
594 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
595 LINUX_DYNAMIC_LINKER): Define.
596 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
597 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
598 GLIBC_DYNAMIC_LINKER64): Define.
599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
600 LINUX_DYNAMIC_LINKER64.
601 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
602 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
603 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
604 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
605 LINUX_DYNAMIC_LINKER): Define.
606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
607 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
608 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
609 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
610 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
611 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
612 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
613 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
614 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
615 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
616 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
617 * doc/invoke.texi (-muclibc): Remove caveat about supported
620 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
622 * doc/cpp.texi (__TIMESTAMP__): Document.
624 2006-02-17 Roger Sayle <roger@eyesopen.com>
627 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
628 C is one less than the width of X (and related transformations).
629 * simplify_rtx.c (simplify_unary_operation_1): Transform
630 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
631 depending on STORE_FLAG_VALUE, were C is one less then the
634 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
636 Fix PR tree-optimization/26341
637 * tree-ssa-operands.c (add_virtual_operand): Remove assert
638 about NAME_MEMORY_TAG's.
640 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
643 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
644 with hardware float support, and software float support. Add fcpy
645 alternative to hardware patterns. Add alternatives to copy between
646 general and floating-point registers to the 32-bit pattern.
647 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
648 secondary reload to load a QI or HI mode constant into a floating
650 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
651 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
653 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
656 * config/rs6000/darwin.md (load_macho_picbase_si): Add
658 (load_macho_picbase_di): Likewise.
660 2006-02-16 Jeff Law <law@redhat.com>
662 * tree-vrp.c (set_value_range_to_nonnegative): New function.
663 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
664 (ssa_name_nonzero_p): Likewise.
665 (get_value_range): Return NULL if VRP is not running.
666 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
667 VRP routines do not discover a range.
668 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
669 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
670 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
671 (tree_expr_nonnegative_p): Similarly.
672 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
673 (restore_nonzero_vars_to_original_value): Remove.
674 (unsafe_associative_fp_binop): Remove.
675 (tree_ssa_dominator_optimize): Remove initialization and
676 finalization of nonzero_vars and nonzero_vars_stack.
677 (dom_opt_initialize_block): No longer push marker on
679 (dom_opt_finalize_block): No longer call
680 restore_nonzero_vars_to_original_value.
681 (record_equivalences_from_phis): No longer look for
682 nonzero PHI arguments.
683 (cprop_into_successor_phis): No longer propagate nonzero
684 property into PHI arguments. Lose unused argument. Caller
686 (record_equivalences_from_stmt): No longer record nonzero
687 values for SSA_NAMEs.
688 (lookup_avail_expr): No longer use nonzero_vars.
690 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
691 for sizetype when sizetype is unsigned.
693 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
695 PR rtl-optimization/25603
696 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
697 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
698 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
699 with new meaning of SETS.
701 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
706 * config/linux.opt: New file.
707 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
708 LINUX_DYNAMIC_LINKER): Define.
709 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
710 * config.gcc (*-*-linux*): Define extra_options.
711 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
712 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
713 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
714 GLIBC_DYNAMIC_LINKER.
715 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
716 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
717 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
719 * doc/invoke.texi (GNU/Linux Options): New section.
721 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
723 * config/sparc/sparc.md (setjmp): Rewrite.
725 (setjmp_64): Likewise.
727 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
729 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
732 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
734 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
737 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
739 PR rtl-optimization/26296
740 * Makefile.in (loop-invariant.c): Add except.h dependency.
741 * loop-invariant.c: Include except.h.
742 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
744 2005-02-16 Paul Brook <paul@codesourcery.com>
746 * reload1.c (emit_reload_insns): Invalidate dead input registers used
749 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
751 PR rtl-optimization/25636
752 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
753 when deciding whether an insn is an initializing insn.
755 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
757 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
758 (tree_code_size): Ditto.
759 * tree.h (struct tree_memory_tag): Remove parent_var.
760 (struct tree_struct_field_tag): New.
763 (union tree_node): Add sft member.
764 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
766 (create_sft): Add size and offset argument, set SFT_OFFSET and
768 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
769 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
770 * tree-flow-inline.h (get_subvar_at): Update for
772 (var_can_have_subvars): Ditto.
773 (overlap_subvar): Ditto.
774 * print-tree.c (print_node): Print out interesting things for
776 * tree-flow.h (struct subvar): Remove offset and size members.
777 * tree-ssa-operands.c (get_expr_operands): Update for
778 get_indirect_ref_operands changes.
779 (get_indirect_ref_operands): Call add_virtual_operand instead of
780 add_stmt_operand. Only recurse on base var if requested.
781 (access_can_touch_variable): New function.
782 (add_stmt_operand): Split virtual operand handling into ...
783 (add_virtual_operand): Here. Add offset, size, and for_clobber
784 arguments. Prune alias sets.
785 (add_call_clobber_ops): Call add_virtual_operand.
787 2006-02-15 Jakub Jelinek <jakub@redhat.com>
790 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
792 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
793 than TREE_CODE as index into omp_clause_num_ops array.
795 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
797 PR rtl-optimization/26184
798 * modulo-sched.c (generate_reg_moves): Free bitmap vector
800 * modulo-sched.c (sms_schedule): Free g_arr pointer.
801 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
802 must_precede, must_follow and tobe_scheduled.
805 * opts.c (common_handle_option): Free new_option pointer.
806 * df-core.c (df_analyze): Free postorder pointer.
808 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
810 * Makefile.in: Fix the examples about the use of stamps
812 2006-02-15 Michael Matz <matz@suse.de>
816 * stor-layout.c (layout_decl): Zero-width bitfields aren't
817 influenced by maximum_field_alignment or DECL_PACKED.
818 (update_alignment_for_field): Ditto.
819 (place_field): Ditto.
820 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
823 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
825 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
826 (debug_flow_info): Pass it.
827 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
828 * bb-reorder.c (reorder_basic_blocks): Likewise.
829 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
830 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
831 * flow.c (life_analysis, recompute_reg_usage): Likewise.
832 * gcse.c (gcse_main, bypass_jumps): Likewise.
833 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
834 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
835 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
836 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
837 * rtl.h (dump_flow_info): Adjust prototype.
838 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
839 * var-tracking.c (variable_tracking_main): Likewise.
840 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
841 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
844 2006-02-15 Marcin Dalecki <martin@dalecki.de>
846 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
849 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
851 PR tree-optimization/26209
852 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
853 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
855 * tree-cfg.c (replace_uses_by): Do not alter cfg.
857 2006-02-14 Roger Sayle <roger@eyesopen.com>
860 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
861 (X,Y) and the corresponding symmetry related transformations.
862 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
863 (X,Y) and its symmetry related transformations.
865 2006-02-14 Roger Sayle <roger@eyesopen.com>
867 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
870 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
872 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
874 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
877 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
878 support COMDAT group.
879 * configure: Regenerate.
881 2006-02-14 Roger Sayle <roger@eyesopen.com>
886 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
888 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
890 Fix PR tree-optimization/26260
892 * doc/invoke.texi (max-fields-for-field-sensitive): Document
894 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
895 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
896 * tree-ssa-structalias.c (create_variable_info_for): Use
897 MAX_FIELDS_FOR_FIELD_SENSITIVE.
899 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
901 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
903 * tree-ssa-loop-niter.c (number_of_iterations_ne,
904 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
905 of the ending condition.
906 * tree-ssa-loop-manip.c: Include params.h.
907 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
908 tree_unroll_loop): New functions.
909 * tree-pass.h (pass_loop_prefetch): Declare.
910 * loop.c (rest_of_handle_loop_optimize): Test for
911 -fprefetch-loop-arrays-rtl.
912 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
913 * timevar.def (TV_TREE_PREFETCH): New timevar.
914 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
915 pass_loop_prefetch): New.
916 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
917 (cleanup_tree_cfg_loop): Call scev_reset.
918 * common.opt (fprefetch-loop-arrays-rtl): Add.
919 * tree-ssa-loop-prefetch.c: New file.
920 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
921 (new_temp_expr_table): Initialize expr_vars.
922 (free_temp_expr_table): Cleanup expr_vars.
923 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
924 expressions from being merged into one.
925 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
926 (struct tree_niter_desc): Add control, bound and cmp fields.
927 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
929 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
930 (tree-cfgcleanup.o): Add SCEV_H dependency.
931 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
932 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
934 2006-02-14 Richard Guenther <rguenther@suse.de>
936 PR tree-optimization/26258
937 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
938 in PHI argument processing.
940 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
942 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
943 new expression in the requested machine mode.
945 2006-02-13 Roger Sayle <roger@eyesopen.com>
947 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
948 directly, instead let do_compare_rtx_and_jump handle this for us.
949 * expr.c (expand_expr_real_1): Likewise.
950 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
951 before do_jump_by_parts_greater.
952 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
953 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
955 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
957 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
959 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
961 PR rtl-optimization/26235
962 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
963 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
966 2006-02-13 Jeff Law <law@redhat.com>
968 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
971 2006-02-13 Jakub Jelinek <jakub@redhat.com>
974 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
975 twice if decl is a builtin. When trying again, call get_callee_fndecl
976 first to verify it is still a builtin.
978 2006-02-13 Geoffrey Keating <geoffk@apple.com>
980 * dwarf2out.c (base_type_die): Don't add AT_name here.
981 (subrange_type_die): Don't add AT_name here.
982 (modified_type_die): Rearrange code flow. Do add AT_name here.
984 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
986 PR rtl-optimization/26247
987 PR rtl-optimization/26248
988 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
990 2006-02-13 Richard Sandiford <richard@codesourcery.com>
992 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
993 * config/fixtfdi.c: Likewise.
994 * config/fixunstfdi.c: Likewise.
995 * config/floatditf.c: Likewise.
997 2006-02-13 Roger Sayle <roger@eyesopen.com>
1000 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1001 into (X,C2) if C1 is a subset of the bits of C2. Transform
1002 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1004 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1006 2006-02-13 Josh Conner <jconner@apple.com>
1009 * varasm.c (function_section): Check for section name before
1010 calling select_section on targets that define
1011 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1012 unlikely_text_section instead of hot_function_section if
1013 first_function_block_is_cold.
1015 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1018 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1020 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1022 PR rtl-optimization/26222
1023 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1024 after tree->rtl expansion.
1025 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1026 before passing it to emit_move_insn.
1028 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1030 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1032 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1033 Clarify documentation.
1034 * c-common.h (warn_write_strings): Remove.
1035 * c-common.c (warn_write_strings): Likewise.
1036 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1039 2006-02-12 Roger Sayle <roger@eyesopen.com>
1042 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1043 (do_jump_parts_zero_rtx): New function renamed from
1044 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1045 (do_jump_parts_equality_rtx): New function split out from
1046 do_jump_parts_equality. Old implementation renamed as above.
1047 Call do_jump_parts_zero_rtx if either operand is zero.
1048 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1049 do all of the heavy lifting.
1050 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1051 calling either do_jump_by_parts_greater_rtx or
1052 do_jump_by_parts_equality_rtx.
1053 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1054 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1055 moved to do_compare_rtx_and_jump, call it directly.
1056 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1057 mode argument. Call do_compare_rtx_and_jump.
1058 (emit_case_nodes): Update calls to do_jump_if_equal.
1060 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1062 PR rtl-optimization/26225
1063 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1065 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1067 PR rtl-optimization/26232
1068 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1070 2006-02-11 Jason Merrill <jason@redhat.com>
1073 * tree-inline.c (declare_return_variable): Just don't use the
1074 modify target if it's a gimple complex reg and the return slot
1077 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1079 * doc/contrib.texi: Update my entry.
1081 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1083 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1085 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1087 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1090 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1092 * doc/invoke.texi (-floop-optimize2): Removed.
1093 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1094 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1095 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1096 * common.opt (floop-optimize2): Removed.
1097 (fmove-loop-invariants): Enabled by default.
1099 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1101 * tree-if-conv.c (combine_blocks): Free the result of
1102 get_loop_exit_edges.
1104 2006-02-10 Jeff Law <law@redhat.com>
1106 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1108 PR tree-optimization/26213
1109 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1110 loop trying to follow SSA_NAME_VALUE chains.
1112 2006-02-10 Richard Guenther <rguenther@suse.de>
1114 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1115 deal with structures that end in implicitly variable sized arrays.
1117 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1119 PR rtl-optimization/24762
1120 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1123 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1125 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1126 (struct ivopts_data): Add regs_used field.
1127 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1128 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1129 instead of loop_data->regs_used;
1130 (free_loop_data): Do not free aux fields for loops.
1131 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1132 and tree_ssa_iv_optimize_finalize.
1134 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1136 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1138 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1141 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1142 computing the effective result type.
1144 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1147 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1148 (tree_overlaps_hard_reg_set): Declare.
1149 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1150 type and signature to match function type expected by walk_tree.
1151 (tree_overlaps_hard_reg_set): New function.
1152 (decl_conflicts_with_clobbers_p): Rename to:
1153 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1154 Use tree_overlaps_hard_reg_set. Changed caller.
1155 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1156 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1157 * cris.c (cris_md_asm_clobbers): Likewise.
1159 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1161 * reload1.c (emit_input_reload_insns): Delete code that tries to
1162 inherit using find_equiv_reg.
1164 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1166 * c-common.h (flag_const_strings): Don't declare.
1167 * c-common.c (flag_const_strings): Remove.
1168 * c.opt (fconst_strings): Remove.
1169 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1170 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1171 (c_common_init_options): Don't set flag_const_strings.
1172 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1174 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1176 * arm.md (tlobits_cbranch): New pattern.
1177 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1178 testing a single bit.
1180 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1183 * tree-ssa-pre.c (create_component_ref_by_pieces):
1184 Handle RETURN_DECL like VAR_DECL.
1186 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1189 * fold-const.c (fold_indirect_ref_1): Fold
1190 "*(foo *)&complexfoo" to "__real__ complexfoo"
1191 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1193 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1195 * tree-flow-inline.h (var_can_have_subvars):
1196 Volatile variables should not have subvariables.
1198 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1201 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1202 multiplying unsigned values.
1205 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1207 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1209 2006-02-08 Jason Merrill <jason@redhat.com>
1212 * tree.def: Elaborate on difference from MODIFY_EXPR.
1213 * doc/c-tree.texi (INIT_EXPR): Likewise.
1214 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1215 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1216 (gimplify_target_expr): Likewise.
1217 (gimplify_cond_expr): Remove target handling.
1218 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1219 (gimplify_expr): Clobber it here.
1220 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1221 Do return slot optimization if we have an INIT_EXPR.
1224 * tree-inline.c (declare_return_variable): Also clear
1225 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1228 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1231 * gimplify.c (gimplify_one_sizepos): Fix typo.
1233 2006-02-08 Jeff Law <law@redhat.com>
1235 PR tree-optimization/21417
1236 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1237 across a backedge if the control statement at the end of the
1238 block is data dependent on other statements in the same block.
1239 (record_temporary_equivalences_from_stmts): Remove over-conservative
1240 test for threading across backedges.
1242 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1243 control statement, handle all three special cases in the same
1244 manner as they all have the same desired solution. No longer
1245 special case edge flag updating when the post dominator is
1248 2006-02-08 Roger Sayle <roger@eyesopen.com>
1250 * tree.def (CHAR_TYPE): Remove.
1251 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1252 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1253 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1254 (gen_string_type_die): Delete unreachable function.
1256 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1257 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1258 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1259 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1260 * builtins.c (type_to_class): Likewise.
1261 * fold-const.c (fold_convert, build_range_check,
1262 merge_ranges): Likewise.
1263 * expr.c (count_type_elements): Likewise.
1264 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1265 * stor-layout.c (layout_type): Likewise.
1266 * ipa-type-escape.c (type_to_consider): Likewise.
1267 * gimplify.c (omp_firstprivatize_type_sizes,
1268 gimplify_type_sizes): Likewise.
1269 * explow.c (promote_mode): Likewise.
1270 * tree-sra.c (is_sra_scalar_type): Likewise.
1271 * varasm.c (output_constant): Likewise.
1272 * tree-inline.c (remap_type_1): Likewise.
1273 * convert.c (convert_to_pointer, convert_to_real,
1274 convert_to_integer, convert_to_complex): Likewise.
1276 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1278 * df-scan.c (df_def_record_1): A set destination may
1279 be a parallel regardless of mode.
1281 2006-02-08 Roger Sayle <roger@eyesopen.com>
1284 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1285 * config/mips/_tilib.c: Remove.
1286 * config/fixtfdi.c: New libgcc source file.
1287 * config/fixunstfdi.c: New source file.
1288 * config/floatditf.c: New source file.
1289 * config/floatunditf.c: New souce file.
1290 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1291 files above instead of config/mips/_tilib.c.
1292 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1294 2006-02-08 Jeff Law <law@redhat.com>
1296 PR tree-optimization/26169
1297 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1300 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1302 * df.h (DF_REG_SIZE): Return the length of the initialized
1305 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1307 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1308 __muldf3): Return a correctly signed zero.
1310 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1312 * passes.c (register_one_dump_file): Accept the current properties
1313 instead of pass number. Adjust call to dump_register. Remove
1315 (register_dump_files): Now a wrapper around...
1316 (register_dump_files_1): ... this one. Do not modify the pass
1318 (next_pass_1): Cosmetic fix.
1319 (execute_todo): Keep second parameter only. Use curr_properties
1320 instead of fetching it from the pass structure. Check and set
1322 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1323 instead of fetching it from the pass structure. Fix calls to
1324 execute_todo. Update curr_properties and initialize .vcg RTL dump
1325 after running the pass. Reset last_verified.
1326 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1328 (FIRST_AUTO_NUMBERED_DUMP): New.
1329 (dump_register): Remove "num" parameter, assign it within the
1331 (get_dump_file_name): Modify template for dumps.
1332 * tree-dump.h (dump_register): Adjust prototype.
1333 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1334 (PROP_trees): Add PROP_gimple_lomp.
1335 (TODO_set_props): New.
1336 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1337 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1338 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1340 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1342 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1343 (sparc64-*-linux*): Likewise.
1344 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1345 * config/sparc/t-linux: New file.
1346 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1347 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1348 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1349 -m32 -mlong-double-128.
1351 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1352 * config/alpha/t-linux: New file.
1353 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1355 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1356 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1357 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1358 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1359 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1360 (CPP_ARCH32_SPEC): Remove.
1362 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1364 PR tree-optimization/26145
1365 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1368 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1371 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1372 >= 240000 when generating code for SOM runtime.
1373 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1374 to $$dyncall when generating code for SOM runtime..
1376 2006-02-07 Dirk Mueller <dmueller@suse.com>
1379 * doc/invoke.texi (-Wsequence-point): Update documentation
1380 that -Wsequence-point is implemented for C++ as well.
1382 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1384 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1385 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1386 (LIB_SPEC): Likewise.
1387 * doc/invoke.texi (SPARC options): Document -pthread.
1389 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1391 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1394 2006-02-07 Roger Sayle <roger@eyesopen.com>
1396 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1397 Correct comment describing BOOLEAN_TYPE.
1399 2006-02-07 Dirk Mueller <dmueller@suse.com>
1401 * c.opt: C++ frontend supports -Wdiv-by-zero.
1402 * c-opts.c (c_common_handle_option): Remove dead case.
1404 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1406 * configure.ac (TLS assembler check): Do not enable TLS by
1407 default on SPARC/Solaris before version 10.
1408 * configure: Regenerate.
1410 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1412 * doc/invoke.texi (xl-compat): Document conversion and support
1415 2006-02-07 Jeff Law <law@redhat.com>
1417 * tree-vrp.c (find_conditional_asserts): Update comments.
1418 (simplify_stmt_for_jump_threading): New.
1419 (identify_jump_threads, finalize_jump_threads): New.
1420 (vrp_finalize): Call identify_jump_threads.
1421 (execute_vrp): Call finalize_jump_threads.
1422 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1423 (vrp_element, vrp_data, vrp_element_p): Remove.
1424 (vrp_hash_elt, vrp_variables_stack): Remove.
1425 (vrp_hash, vrp_eq, record_range): Remove.
1426 (simplify_cond_and_lookup_avail_expr): Remove.
1427 (extract_range_from_cond): Remove.
1428 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1429 (simplify_stmt_for_jump_threading): New.
1430 (dom_thread_across_edge): New wrapper.
1431 (tree_ssa_dominator_optimize): No longer initialize or
1432 finalize any of the VRP datastructures. Remove iteration
1433 step and simplify as a result of removal of iteration step.
1434 (pass_dominator): Perform a cfg cleanup after DOM.
1435 (dom_opt_finalize_block): Use the new common routines
1436 for threading jumps. Simplify stack management slightly.
1437 No longer need to unwind VRP state.
1438 (record_equivalences_from_incoming_edge): No longer record
1440 (eliminate_redundant_computations): No longer call
1441 simplify_cond_and_lookup_avail_expr.
1442 * tree-flow.h (potentially_threadable_block): Prototype.
1443 (thread_across_edge): Likewise.
1444 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1445 (tree-ssa-threadedge.o): Add dependencies.
1446 * tree-ssa-threadedge.c: New file.
1447 * passes.c (init_optimization_passes): Merge PHIs before
1448 calling VRP. Run VRP again late in the SSA optimization pipeline.
1450 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1452 * df-core.c (df_set_blocks): Do not dereference function pointers.
1453 (df_finish1): Likewise.
1454 (df_hybrid_search_forward): Likewise.
1455 (df_hybrid_search_backward): Likewise.
1456 (df_iterative_dataflow): Likewise.
1457 (df_analyze_problem): Likewise.
1458 (df_compact_blocks): Likewise.
1459 (df_dump): Likewise.
1460 * df-scan.c (df_rescan_blocks): Likewise.
1461 (df_record_entry_block_defs): Likewise.
1463 * genconditions.c (write_conditions): Guard the definition of
1464 'insn_conditions' with the check on GCC version.
1465 (write_writer): Guard the traversal 'insn_conditions' with
1466 the check on GCC version.
1468 2006-02-07 Richard Guenther <rguenther@suse.de>
1472 2006-01-30 Richard Guenther <rguenther@suse.de>
1474 * gimplify.c (gimplify_target_expr): Handle easy cases
1475 without creating a temporary.
1477 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1479 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1480 use of float in probability computations. Use edge probabilities
1481 in place of statically computed probabilities.
1482 (min_spec_prob): New static variable.
1483 (schedule_insns): Initialize it.
1484 (GET_SRC_PROB): Removed.
1485 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1487 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1490 * config/ia64/unwind-ia64.c: Revert last change.
1491 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1492 (INCOMING_FRAME_SP_OFFSET): Define.
1494 2006-02-06 Roger Sayle <roger@eyesopen.com>
1496 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1498 2006-02-07 Ben Elliston <bje@au.ibm.com>
1500 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1501 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1502 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1503 (ix86_return_in_memory): Handle TDmode.
1504 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1505 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1507 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1509 * reorg.c (dbr_schedule): Use dump_file instead of file.
1511 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1514 * config/ia64/predicates.md (extr_len_operand): New predicate.
1515 * config/ia64/ia64.md (extv): Tighten constraints.
1517 (*tbit_and_2): Ditto.
1518 (*tbit_and_3): Ditto.
1519 (*tbit_or_2): Ditto.
1520 (*tbit_or_3): Ditto.
1524 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1527 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1529 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1531 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1532 loop_optimizer_init and loop_optimizer_finalize
1533 * tree-ssa-sink.c (execute_sink_code): Ditto.
1534 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1535 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1536 tree_ssa_loop_done): Ditto.
1537 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1538 * sched-ebb.c: Include output.h.
1539 (schedule_ebbs): Do not use dump argument.
1540 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1541 * loop.c (loop_dump_stream): Removed.
1542 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1544 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1545 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1546 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1547 loop_iterations, strength_reduce, record_biv, record_giv,
1548 final_giv_value, check_final_value, check_ext_dependent_givs,
1549 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1550 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1551 dump_file instead of loop_dump_stream.
1552 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1554 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1556 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1557 * haifa-sched.c: Include output.h
1558 (schedule_insns, sched_init): Do not use dump argument.
1559 * mode-switching.c (optimize_mode_switching): Ditto.
1560 * modulo-sched.c (stats_file): Removed.
1561 (print_node_sched_params): Do not call argument dump_file.
1562 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1563 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1565 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1567 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1568 rtl_loop_init, rtl_loop_done): Ditto.
1569 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1570 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1572 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1573 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1574 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1575 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1576 * emit-rtl.c (renumber_insns): Ditto.
1577 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1578 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1579 * regclass.c (regclass): Ditto.
1580 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1581 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1582 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1583 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1585 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1586 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1588 * gcse.c (gcse_file, debug_stderr): Removed.
1589 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1590 rest_of_handle_gcse): Do not use dump argument.
1591 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1592 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1593 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1594 compute_code_hoist_vbeinout, compute_code_hoist_data,
1595 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1596 compute_store_table, build_store_vectors, insert_insn_start_bb,
1597 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1598 store_motion): Use dump_file instead of gcse_file.
1599 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1600 * profile.c (profile_dump_file): Removed.
1601 (branch_prob): Use dump_file instead of profile_dump_file.
1602 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1604 * tree-ssa-copy.c (dump_copy_of): Ditto.
1605 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1606 dump file to life_analysis.
1607 * bt-load.c (branch_target_load_optimize): Ditto.
1608 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1610 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1611 regclass, dbr_schedule): Declaration changed.
1612 * sched-int.h (sched_init): Declaration changed.
1613 * tree-profile.c (tree_profile_dump_file): Removed.
1614 (tree_profile_hooks): Removed profile_dump_file hook.
1615 * rtl-profile (rtl_profile_dump_file): Removed.
1616 (rtl_profile_hooks): emoved profile_dump_file hook.
1617 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1619 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1620 * tree-cfg.c (build_tree_cfg): Ditto.
1621 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1622 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1623 Declaration changed.
1624 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1625 life_analysis and schedule_insns.
1626 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1628 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1630 * config/mips/mips.c (mips_reorg): Ditto.
1631 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1634 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1636 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1637 (s390_mangle_fundamental_type): New.
1638 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1641 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1642 (alpha_mangle_fundamental_type): New.
1643 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1646 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1648 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1650 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1651 (sparc_mangle_fundamental_type): New.
1653 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1655 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1656 (s390x-*-linux*): Likewise.
1657 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1658 * config/s390/t-linux: New file.
1660 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1662 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1663 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1665 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1667 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1668 (ANTIC_SAFE_LOADS): New macro.
1669 (find_or_generate_expression): Add prototype.
1670 (set_contains_value): Allow null set for sake of not always having
1671 to allocate ANTIC_SAFE_LOADS.
1672 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1673 Allow COMPONENT_REF too.
1674 (valid_in_set): Allow COMPONENT_REF.
1675 Check ANTIC_SAFE_LOADS too.
1676 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1677 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1679 (can_PRE_operation): Add COMPONENT_REF.
1680 (create_component_ref_by_pieces): New function.
1681 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1682 (insert_aux): Move AGGREGATE_TYPE_P check here.
1683 (compute_avail): Set bb local stmt uids.
1684 (pass_pre): Use TODO_update_ssa_only_virtuals.
1686 2006-02-06 Ben Elliston <bje@au.ibm.com>
1688 * configure.ac: Unconditionally disable decimal float by default.
1689 * configure: Regenerate.
1691 2006-02-06 Ben Elliston <bje@au.ibm.com>
1693 * read-rtl.c (read_name): Terminate reading on EOF.
1695 2006-02-06 Ben Elliston <bje@au.ibm.com>
1697 * dfp.c (decimal_real_arithmetic): Change second argument type
1698 from int to enum tree_code. Do not always return true, but now
1699 return result of any call to decimal_do helper functions.
1700 * dfp.h (decimal_real_arithmetic): Update prototype.
1702 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1704 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1706 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1709 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1712 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1714 * tree-vrp.c (cfg_loops): Removed.
1715 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1716 Use current_loops instead of cfg_loops. Pass flags to
1717 loop_optimizer_init.
1718 * cfgloopmanip.c (fix_loop_structure): Update only available
1720 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1721 loop_optimizer_init.
1722 * modulo-sched.c (build_loops_structure): Removed.
1723 (sms_schedule): Use loop_optimizer_init.
1724 * loop-init.c (loop_optimizer_init): Use flags to determine
1725 which properties of loops to prepare.
1726 (rtl_loop_init): Pass flags to loop_optimizer_init.
1727 * tree-ssa-sink.c (execute_sink_code): Ditto.
1728 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1729 * tree-ssa-pre.c (init_pre): Ditto.
1730 * cfgloop.h (LOOPS_NORMAL): New.
1731 (loop_optimizer_init): Declaration changed.
1733 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1735 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1736 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1738 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1740 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1742 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1743 * pa/t-pa64: Delete quadlib.c rule.
1744 * pa/x-ada: Revert last change.
1745 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1747 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1749 PR rtl-optimization/26087
1750 * rtlanal.c (canonicalize_condition): Do not cross basic block
1753 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1756 * config/ia64/ia64.c: Include debug.h.
1757 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1758 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1759 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1760 (process_epilogue, process_set, process_for_unwind_directive):
1761 Output unwind info only if requested. Add CFA info if requested.
1762 Add new arguments as needed. Adjust callers.
1763 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1765 (DWARF2_FRAME_INFO): Define to zero.
1766 * config/ia64/unwind-ia64.c: Remove code that compensated for
1767 the CFA offset error fixed above.
1768 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1769 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1770 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1771 -funwind-tables and -fexceptions to enable frame info.
1772 (dwarf2out_frame_init): Define initial CFA even if
1773 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1774 DWARF2_UNWIND_INFO is nonzero, not just defined.
1775 (dwarf2out_frame_finish): Output non-EH call frame info only
1776 if DWARF2_FRAME_INFO is nonzero.
1777 (convert_cfa_to_loc_list,
1778 compute_frame_pointer_to_cfa_displacement): Define even if
1779 unwind info is not supported.
1780 (gen_subprogram_die): Use the above unconditionally. Remove
1781 legacy alternate code.
1782 * toplev.c (compile_file): Compile in call to
1783 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1784 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1786 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1787 Jakub Jelinek <jakub@redhat.com>
1789 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1790 IBM extended float format long double as "g" on powerpc*-linux.
1792 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1795 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1796 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1798 2006-02-03 Jason Merrill <jason@redhat.com>
1801 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1804 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1805 on the return slot if it's an NRV.
1807 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1809 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1810 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1811 rewrite_use): Do not handle USE_OUTER.
1812 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1813 add_iv_outer_candidates, may_replace_final_value,
1814 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1815 (find_interesting_uses_op): Functionality of
1816 find_interesting_uses_outer_or_nonlin moved here.
1817 (find_interesting_uses_outside): Use find_interesting_uses_op.
1819 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1822 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1824 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1825 Ulrich Weigand <uweigand@de.ibm.com>
1828 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1829 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1830 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1831 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1833 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1834 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1835 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1836 Define secondary reloads for TFmode moves.
1837 (constant_modes): Add TFmode.
1838 (NR_C_MODES): Set to 8.
1839 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1841 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1842 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1843 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1844 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1845 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1846 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1847 (FPR mode macro): Add TFmode.
1848 (DSF mode macro): New.
1849 (<de>, <dee> mode attributes): Removed.
1850 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1851 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1852 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1853 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1854 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1855 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1856 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1857 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1858 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1859 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1860 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1861 "*negabs<mode>2", "sqrt<mode>2"):
1862 Changed <de> to <xde>. R constraint replaced by <Rf>.
1863 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1865 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1866 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1867 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1869 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1870 "extenddftf2", "extendsftf2"): New expanders.
1871 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1872 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1873 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1874 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1876 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1877 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1878 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1879 __floatditf): Add a GCC_4.1.0 symbol version tag.
1880 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1883 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1886 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1887 Use targetm.binds_local_p instead of TREE_PUBLIC.
1889 2006-02-02 Roger Sayle <roger@eyesopen.com>
1891 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1892 on INTEGER_TYPEs to indicate that it denotes a character type.
1893 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1894 signed_char_type_node, unsigned_char_type_node and char_type_node.
1895 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1896 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1897 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1899 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1900 Daniel Berlin <dberlin@dberlin.org>
1902 * tree-tailcall.c (arg_needs_copy_p): New function.
1903 (eliminate_tail_call): Use arg_needs_copy_p.
1904 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1905 (add_virtual_phis): New function.
1907 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1909 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1910 #ignore instead of #scratch for %g7 .register directive.
1912 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1914 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1917 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1919 * flow.c (calculate_global_regs_live): Assert that there aren't any
1922 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1924 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1926 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1927 bsi_after_labels iterator.
1928 * tree-if-conv.c (find_phi_replacement_condition,
1929 replace_phi_with_cond_modify_expr): Likewise.
1930 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1931 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1933 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1935 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1937 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1940 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1941 array after growing it.
1943 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1946 * fold-const.c (fold_checksum_tree): Change type of buf.
1948 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1950 * reload.c (push_secondary_reload): Initialize t_icode.
1952 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1954 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1955 -msoft-float -mlong-double-128 only issue a warning, but don't
1956 swich to DFmode long double.
1958 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1960 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1961 has a constant equivalent, iterate over equivalents for arg0,
1962 calling simplify_relational_operation and if there's a result
1963 cheaper than X, apply fold_rtx and return the result.
1965 2006-02-01 Jan Hubicka <jh@suse.cz>
1967 * opts.c (no_unit_at_a_time_default): New global variable.
1968 (decode_options): Use it.
1969 * opts.h (no_unit_at_a_time_default): Declare.
1971 2006-02-01 Paul Brook <paul@codesourcery.com>
1973 * function.c (assign_parm_setup_reg): Use function argument promotion
1975 * expr.c (expand_expr_real_1): Use function argument promotion rules
1978 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1980 * gcc.c (process_command): Change j to 'unsigned int'.
1982 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1985 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1986 Use the corrected index for the character
1987 out of the string constant.
1989 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1991 * mode-switching.c (optimize_mode_switching): Fix size
1992 allocated for bb_info[n_entities].
1994 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1996 * gcc.c (main): Correct type that is allocated for
1997 explicit_link_files.
1999 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2001 * config/s390/s390.c (init_alignment_context): Set
2002 ALIAS_SET_MEMORY_BARRIER on the MEM.
2003 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2005 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2008 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2010 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2013 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2015 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2016 * regrename.c: Ditto.
2017 * tree-ssa-loop-im.c: Ditto.
2018 * tree-dump.c: Ditto.
2019 * tree-complex.c: Ditto.
2020 * genrecog.c: Ditto.
2021 * tree-ssa-threadupdate.c: Ditto.
2023 * java/class.c: Ditto.
2024 * java/jcf-parse.c: Ditto.
2025 * java/resource.c: Ditto.
2026 * java/except.c: Ditto.
2027 * java/jvspec.c: Ditto.
2028 * java/jcf-write.c: Ditto.
2029 * java/jcf-path.c: Ditto.
2030 * java/gjavah.c: Ditto.
2031 * java/zextract.c: Ditto.
2032 * java/jcf-io.c: Ditto.
2033 * java/jcf.h: Ditto.
2034 * java/buffer.c: Ditto.
2035 * java/lang.c: Ditto.
2036 * java/parse-scan.y: Ditto.
2037 * java/lex.c: Ditto.
2038 * java/lex.h: Ditto.
2039 * cfgloopmanip.c: Ditto.
2040 * postreload-gcse.c: Ditto.
2041 * tree-ssa-loop-manip.c: Ditto.
2042 * postreload.c: Ditto.
2043 * tree-ssa-loop-ch.c: Ditto.
2047 * diagnostic.c: Ditto.
2049 * genoutput.c: Ditto.
2051 * cfghooks.c: Ditto.
2052 * cfgloopanal.c: Ditto.
2053 * objc/objc-act.c: Ditto.
2055 * genextract.c: Ditto.
2056 * genautomata.c: Ditto.
2057 * pretty-print.c: Ditto.
2059 * cgraphunit.c: Ditto.
2062 * haifa-sched.c: Ditto.
2063 * dominance.c: Ditto.
2065 * tree-ssa-loop-ivopts.c: Ditto.
2067 * mode-switching.c: Ditto.
2068 * modulo-sched.c: Ditto.
2070 * ipa-pure-const.c: Ditto.
2072 * fix-header.c: Ditto.
2074 * tree-stdarg.c: Ditto.
2075 * ipa-utils.c: Ditto.
2076 * loop-init.c: Ditto.
2077 * ipa-inline.c: Ditto.
2080 * alloc-pool.c: Ditto.
2081 * dwarf2out.c: Ditto.
2083 * genattrtab.c: Ditto.
2084 * tree-ssa-loop-ivcanon.c: Ditto.
2088 * fortran/gfortranspec.c: Ditto.
2090 * local-alloc.c: Ditto.
2091 * langhooks.c: Ditto.
2092 * function.c: Ditto.
2093 * tree-vectorizer.c: Ditto.
2095 * ipa-type-escape.c: Ditto.
2097 * tree-if-conv.c: Ditto.
2100 * tree-data-ref.c: Ditto.
2101 * loop-unroll.c: Ditto.
2102 * treelang/treetree.c: Ditto.
2105 * ggc-common.c: Ditto.
2107 * coverage.c: Ditto.
2109 * tree-cfgcleanup.c: Ditto.
2110 * tree-ssa-pre.c: Ditto.
2111 * cfgcleanup.c: Ditto.
2112 * loop-invariant.c: Ditto.
2114 * ipa-prop.c: Ditto.
2115 * print-tree.c: Ditto.
2116 * conflict.c: Ditto.
2117 * ggc-page.c: Ditto.
2118 * sched-deps.c: Ditto.
2119 * regclass.c: Ditto.
2120 * tree-object-size.c: Ditto.
2122 * bb-reorder.c: Ditto.
2123 * resource.c: Ditto.
2124 * var-tracking.c: Ditto.
2126 * df-problems.c: Ditto.
2127 * reg-stack.c: Ditto.
2130 * sched-rgn.c: Ditto.
2131 * tree-ssa-structalias.c: Ditto.
2132 * tree-ssa-reassoc.c: Ditto.
2133 * config/darwin-c.c: Ditto.
2134 * config/darwin.c: Ditto.
2135 * config/arm/arm.c: Ditto.
2137 * collect2.c: Ditto.
2140 2006-01-31 Nicolas Pitre <nico@cam.org>
2142 * arm.md (smaxsi3): Make aware of smax_m1.
2145 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2147 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2149 2006-01-31 Richard Guenther <rguenther@suse.de>
2151 * doc/invoke.texi (-msselibm): Document.
2152 * target.h (expand_library_builtin): New target hook.
2153 * builtins.c (expand_builtin): Use expand_library_builtin.
2154 (default_expand_library_builtin): New function.
2155 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2156 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2157 (link_gcc_math_spec): Declare.
2158 (static_specs): Add link_gcc_math_spec.
2159 * expr.h (default_expand_library_builtin): Declare.
2160 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2161 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2162 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2163 * config/i386/i386.opt (msselibm): New target option.
2164 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2165 (ix86_init_sse_abi_builtins): New function.
2166 (ix86_expand_library_builtin): Likewise.
2167 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2168 (override_options): Handle error conditions wrt -msselibm.
2169 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2170 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2171 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2174 2006-01-31 Richard Guenther <rguenther@suse.de>
2175 Paolo Bonzini <bonzini@gnu.org>
2177 * doc/install.texi (--disable-libgcc-math): Document.
2179 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2181 * expr.h (expand_normal): new inline function.
2182 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2184 * dwarf2out.c: use it.
2189 * config/sparc/sparc.c: use it.
2190 * config/i386/i386.c: use it.
2191 * config/rs6000/rs6000.c: use it.
2192 * config/arm/arm.c: use it.
2193 * config/mips/mips.c: use it.
2194 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2196 2006-01-30 Roger Sayle <roger@eyesopen.com>
2198 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2199 argv to the appropriate type.
2201 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2203 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2206 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2209 * config/s390/s390.c (struct machine_function): New flag
2210 decomposed_literal_pool_addresses_ok_p.
2211 (s390_reorg): Set it before final stage of literal pool transforms.
2212 (s390_decompose_address): Only accept displacements of the form
2213 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2215 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2217 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2218 the comparison routine return.
2220 2006-01-30 Michael Matz <matz@suse.de>
2222 * global.c (find_reg): Only evict for global regs.
2223 Take n_refs into account and dump more info.
2225 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2228 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2229 (pragma_trap, pragma_nosave_low_regs): Likewise.
2230 (current_function_anonymous_args): Likewise.
2231 (sh_deferred_function_attributes): New variable.
2232 (sh_deferred_function_attributes_tail): Likewise.
2233 (print_operand): For '@', look up trap_exit attribute.
2234 (calc_live_regs): Look up trapa_handler attribute. For trapa
2235 handlers, save/restore fpscr, but don't do any other
2236 interrupt-specific saves.
2237 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2238 Fix check for partially saved registers to check for SHmedia.
2239 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2240 (sh_output_function_epilogue): Don't clear any of the removed
2242 (sh_insert_attributes): Don't check pragma_interrupt.
2243 Insert deferred attributes. Check that interrupt attribute is
2244 present for other attributes that require its presence.
2245 (sh_attribute_table): Add new attributes trapa_handler and
2247 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2248 Don't check for pragma_interrupt. Don't store argument.
2249 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2250 (sh_deferred_function_attributes): Declare.
2251 (sh_deferred_function_attributes_tail): Likewise.
2252 * sh.md (sp_switch_1): Add operand. Change generator caller.
2253 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2254 (*return_i): Don't use when trap_exit attribute is in effect.
2255 (*return_trapa): New insn pattern.
2257 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2258 setting c_target_objs and cxx_target_objs.
2259 * t-sh: Add rule for sh-c.o.
2261 2006-01-30 Richard Guenther <rguenther@suse.de>
2264 * gimplify.c (gimplify_target_expr): Handle easy cases
2265 without creating a temporary.
2267 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2269 * vec.h (safe_grow): Remove duplicated line.
2271 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2274 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2275 (expand_omp): ... here.
2276 (expand_omp_parallel): Only remove barriers for combined
2277 parallel+workshare constructs.
2279 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2283 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2284 * tree.c (build_qualified_type): Chain the new type to the original
2285 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2286 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2287 (build_pointer_type_for_mode): Only return unqualified types.
2288 (build_reference_type_for_mode): Likewise.
2290 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2292 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2293 * Makefile.in (CXX_COMPAT_WARN): Define.
2294 * configure: Regenerate.
2296 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2299 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2302 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2304 * toplev.c: Fix thinko.
2306 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2307 Marcin Dalecki <martin@dalecki.de>
2309 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2310 (push_srcloc): Use XNEW.
2311 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2313 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2315 * df-core.c (df_set_blocks): Deleted all variable.
2317 2006-01-28 Ian Lance Taylor <ian@airs.com>
2319 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2320 cgraph_output_pending_asms.
2322 2006-01-28 Zack Weinberg <zackw@panix.com>
2324 * c.opt: Add -W(no-)overlength-strings.
2325 * doc/invoke.texi: Document it.
2326 * c-opts.c (c_common_handle_option): -pedantic implies
2327 -Woverlength-strings, if not explicitly disabled already.
2328 (c_common_post_options): -Woverlength-strings defaults to off, and
2329 is always off for C++.
2330 * c-common.c (fix_string_type): Issue warning about strings longer
2331 than is portable only if warn_overlength_strings. Rearrange code
2332 a little for clarity.
2333 * configure.in: Check for -Wno-overlength-strings as well before
2334 enabling -pedantic in stage 1.
2335 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2336 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2338 * genconditions.c (write_header, write_one_condition)
2339 (write_conditions, write_writer): Consolidate very long strings
2340 that were broken up to fit in C89 portable limit. Don't use
2341 printf when fputs will do.
2343 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2345 * combine.c (simplify_comparison <AND>): Check
2346 TRULY_NOOP_TRUNCATION before start using a subreg.
2348 * config/mips/mips.md (*branch_zero<mode>,
2349 *branch_zero<mode>_inverted, *branch_equality<mode>,
2350 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2351 Remove mode check from comparisons.
2353 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2355 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2357 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2359 * expmed.c (const_mult_add_overflow_p): Remove.
2360 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2362 * recog.c (validate_replace_rtx_subexp): Remove.
2363 * recog.h: Remove the prototype for
2364 validate_replace_rtx_subexp.
2366 * integrate.h: Remove the prototype for
2367 copy_decl_for_inlining.
2368 * rtl.h: Remove the prototype for mark_constant_function.
2369 * tree-vectorizer.h: Remove the prototype for
2370 vect_strip_conversion.
2372 * modulo-sched.c (create_partial_schedule,
2373 free_partial_schedule, reset_partial_schedule): Make them
2376 * hooks.c (hook_bool_rtx_int_false): Remove.
2377 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2379 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2381 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2382 and -mlong-double-128 are incompatible.
2383 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2384 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2385 (TARGET_LIBGCC2_CFLAGS): Define.
2386 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2387 (TARGET_LIBGCC2_CFLAGS): Same.
2388 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2390 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2393 * c-typeck.c (build_binary_op): Perform implicit casts of
2394 operands before shortening them.
2396 * cfgloopmanip.c (split_loop_bb): Remove.
2397 * cfgloop.h: Remove the prototype for split_loop_bb.
2399 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2400 * cfgloop.h: Remove the prototype for
2401 flow_loop_outside_edge_p.
2403 * emit-rtl.c (init_virtual_regs): Make it static.
2404 * function.h: Remove the prototype for init_virtual_regs.
2406 * recog.c (peephole2_optimize): Make it static.
2407 * recog.h: Remove the prototype for peephole2_optimize.
2409 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2411 * df-scan.c (df_record_entry_block_defs): Check if
2412 INCOMING_RETURN_ADDR_RTX is defined.
2414 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2415 Kenneth Zadeck <zadeck@naturalbridge.com>
2417 PR rtl-optimization/24762
2418 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2419 * targhooks.c (hook_void_bitmap): New hook prototype.
2420 * targhoohs.h (hook_void_bitmap): Ditto.
2421 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2422 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2423 * target.h (live_on_entry): New function pointer.
2424 * df-scan.c (df_all_hard_regs): Removed.
2425 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2426 (df_scan_free_internal): Added df->entry_block_defs.
2427 (df_scan_alloc): Ditto.
2428 (df_scan_dump): Ditto.
2429 (df_uses_record): Plumbed flag field properly thru calls.
2430 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2431 This part fixes PR24762.
2432 (df_bb_refs_record): Added code to make the frame and arg
2433 pointers live in EH blocks.
2434 (df_refs_record): Added call to df_record_entry_block_defs.
2435 (df_record_entry_block_defs): New function.
2436 * df-core.c: Added comments to describe new artifical defs.
2437 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2438 (entry_block_defs): New field in struct df.
2439 (df_all_hard_regs): Deleted.
2440 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2441 * df-problems.c (df_ru_bb_local_compute_process_def):
2442 Added code to handle artifical defs in the entry to a function.
2443 (df_ru_bb_local_compute): Ditto.
2444 (df_rd_bb_local_compute_process_def): Ditto.
2445 (df_rd_bb_local_compute): Ditto.
2446 (df_lr_bb_local_compute): Ditto.
2447 (df_ur_bb_local_compute): Ditto.
2448 (df_urec_bb_local_compute): Ditto.
2449 (df_chain_create_bb): Ditto.
2450 (df_ur_local_finalize): Removed entry.
2451 (df_urec_init): Ditto.
2452 (df_urec_local_finalize): Ditto.
2453 (df_ri_bb_compute): Added detection of last use of pseudos.
2454 * Makefile.in (df-scan.o): Updated dependencies.
2455 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2456 * config/mips/mips.c (mips_set_live_on_entry): Added.
2457 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2459 * dce.c (marked_insn_p): Added code to handle artifical defs.
2461 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2463 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2465 (_mm_cvtsi128_si64): Likewise.
2466 (_mm_cvtsd_si64): Likewise.
2467 (_mm_cvttsd_si64): Likewise.
2468 (_mm_cvtsi64_sd): Likewise.
2469 (_mm_cvtsi64_si128): Likewise.
2470 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2471 (_mm_cvtsi64_m64): Likewise.
2472 (_m_to_int64): Likewise.
2473 (_mm_cvtm64_si64): Likewise.
2474 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2475 (_mm_cvttss_si64): Likewise.
2476 (_mm_cvtsi64_ss): Likewise.
2477 (_mm_cvtss_f32): Likewise.
2479 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2481 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2482 for pragma redefine_extname.
2484 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2487 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2488 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2489 -mno-minimal-toc to previous content.
2490 (bispecs): Remove goal.
2491 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2492 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2493 compatibility aliases on powerpc-*-*gnu*.
2494 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2495 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2496 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2497 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2498 (ldblspecs): New goal.
2499 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2500 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2502 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2503 L_sf_to_tf or L_df_to_tf is defined.
2505 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2506 Alan Modra <amodra@bigpond.net.au>
2509 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2510 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2511 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2512 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2513 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2514 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2515 (rs6000_override_options): Initialize rs6000_ieeequad.
2516 Initialize TFmode format to ibm_extended_format if not
2518 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2520 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2521 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2522 (function_arg_advance): IBM long double passed in two FPRs, not
2524 (function_arg): IBM long double passed in FPRs.
2525 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2526 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2527 Only multireg GPR aligned.
2528 (rs6000_init_libfuncs): Enable IBM long double functions if not
2530 (rs6000_generate_compare): Use IBM long double compare if not
2532 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2533 (TARGET_IEEEQUAD): Define.
2534 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2535 not TARGET_IEEEQUAD.
2536 * config/rs6000/rs6000.md: Enable TFmode patterns if
2538 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2539 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2540 and -mlong-double-128 are incompatible.
2541 * doc/invoke.texi (-mabi): Collect options together. Add
2542 ibmlongdouble and ieeelongdouble.
2544 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2546 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2548 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2549 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2550 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2551 * rtl.h (rtunion_def): Remove rt_ptr.
2553 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2554 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2555 * config/i386/winnt.c (i386_pe_mark_dllexport)
2556 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2558 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2560 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2562 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2566 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2567 pthread_key_delete. From John David Anglin. gthrw-ify
2568 pthread_getunique_np only if it it's not a macro. Delete
2570 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2571 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2572 __gthread_objc_condition_signal, __gthread_key_delete): Add
2573 "__attribute__ ((__unused__))" to unused arguments.
2574 (__gthread_recursive_mutex_init_function): Add missing return.
2575 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2576 gthr-posix95.h: Use macro-based approach for name redirection
2577 on targets missing weakref.
2579 2006-01-26 Zack Weinberg <zackw@panix.com>
2581 * genconditions.c (write_header): In generated code, #ifdef out
2582 all includes and fake declarations, except includes of bconfig.h
2583 and system.h, unless GCC_VERSION >= 3001. Do not include
2584 gensupport.h in any case.
2585 (write_conditions): Generate a definition of struct c_test. Add
2586 a comment to the generated #endif.
2587 (write_one_condition): Escape backslashes in string too.
2588 (write_writer): Generated code must escape backslashes and quote
2589 marks (but not newlines) in the strings it writes.
2590 * Makefile.in (build/gencondmd.o): Update dependencies.
2592 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2595 * Makefile.in (insn-automata.o): Add header file dependencies.
2596 * genautomata.c: Add includes.
2598 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2601 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2603 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2605 * configure.ac: Expect target tools paths to be passed from the toplevel
2606 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2608 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2610 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2613 * c.opt (Wpointer-sign): Init to -1.
2614 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2615 OPT_pedantic, to 0 otherwise.
2616 * doc/invoke.texi: Update.
2618 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2620 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2621 constants provided by 80387 instructions in the destination mode.
2623 2006-01-26 Richard Guenther <rguenther@suse.de>
2624 Andrew Pinski <pinskia@physics.uc.edu>
2627 partial PR tree-opt/17064
2628 * tree-ssa-structalias.c (intra_create_variable_infos):
2629 Create heap variables for incoming parameters if
2630 flag_argument_noalias > 1.
2631 (find_what_p_points_to): Look through default defs of
2634 2006-01-26 Jeff Law <law@redhat.com>
2637 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2638 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2639 within the VR_RANGE, use the VR_RANGE as the result, not the
2641 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2642 bounds for the type.
2644 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2646 * tree-ssa-alias.c (maybe_create_global_var): Change
2647 subvar walking to an assertion that we don't have subvar'd variables.
2649 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2652 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2653 Use a new variable, inner. PARM_DECLs are always non-weak.
2655 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2657 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2660 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2662 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2664 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2666 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2667 (smax_insn, smin_insn, smax_0, smin_0): New.
2669 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2672 * config/cris/cris.c (cris_order_for_addsi3): New function.
2673 * config/cris/cris-protos.h: Prototype it.
2674 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2675 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2676 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2677 (split for "op.S1 [rx=rx+i],ry (swapped)")
2678 (split for "op(s|u).S1 [rx=rx+i],ry")
2679 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2680 Apply cris_order_for_addsi3 when generating addsi3 insns.
2682 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2684 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2685 (TREE_BLOCK): Add call to EXPR_CHECK.
2687 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2690 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2691 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2692 (dump_omp_clauses): ... here.
2693 (dump_generic_node): Handle OMP_CLAUSE.
2694 * tree.c (omp_clause_num_ops): New.
2695 (omp_clause_code_name): New.
2696 (tree_code_size): Handle OMP_CLAUSE.
2697 (tree_size): Likewise.
2698 (make_node): Document handling of OMP_CLAUSE.
2699 (tree_node_structure): Handle OMP_CLAUSE.
2700 (omp_clause_check_failed): New.
2701 (omp_clause_range_check_failed): New.
2702 (omp_clause_operand_check_failed): New.
2703 (build_omp_clause): New.
2704 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2705 * tree.h (enum omp_clause_code): Declare.
2706 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2707 (OMP_CLAUSE_RANGE_CHECK): Define.
2708 (OMP_CLAUSE_ELT_CHECK): Define.
2709 (omp_clause_check_failed): Declare.
2710 (omp_clause_operand_check_failed): Declare.
2711 (omp_clause_range_check_failed): Declare.
2712 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2713 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2714 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2715 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2716 (OMP_CLAUSE_IF_EXPR): Likewise.
2717 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2718 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2719 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2720 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2721 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2722 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2723 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2724 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2725 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2726 (OMP_CLAUSE_CODE): Define.
2727 (OMP_CLAUSE_SET_CODE): Define.
2728 (OMP_CLAUSE_CODE): Define.
2729 (OMP_CLAUSE_OPERAND): Define.
2730 (struct tree_omp_clause): Declare.
2731 (union tree_node): Add field 'omp_clause'.
2732 * treestruct.def (TS_OMP_CLAUSE): Define.
2733 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2734 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2735 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2736 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2737 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2738 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2739 (OMP_CLAUSE): Define.
2740 * print-tree.c (print_node): Handle OMP_CLAUSE.
2741 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2742 * c-typeck.c: Likewise.
2743 * gimplify.c: Likewise.
2744 * c-omp.c: Likewise.
2745 * tree-nested.c: Likewise.
2746 * tree-inline.c: Likewise.
2747 * c-parser.c: Likewise.
2748 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2751 2006-01-25 Roger Sayle <roger@eyesopen.com>
2753 PR rtl-optimization/25703
2754 * combine.c (try_combine): Handle zero_extract and strict_low_part
2755 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2757 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2759 * global.c: Fix comment typos.
2761 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2764 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2765 Use output_addr_const instead of assemble_name.
2767 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2769 * Makefile.in (sched-vis.o): Update dependencies.
2770 * haifa-sched.c (sched_finish): Clear current_sched_info.
2771 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2772 (dump_flow_info): Call it.
2773 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2775 * basic-block.h (dump_bb_info): Declare.
2776 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2777 option, and apply options only for dump files whose TDF_RTL,
2778 TDF_TREE, or TDF_IPA bits match.
2779 * rtl.h: Declare new functions exported from sched-vis.c.
2780 * sched-vis.c: Enable also if scheduling is not used.
2781 (print_value): Print the mode of registers if not inside scheduling.
2782 (print_insn): Make it work outside the scheduler. Beautify the output
2784 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2786 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2788 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2789 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2790 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2791 depending on the value of CONSTANT_POOL_ADDRESS_P.
2792 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2794 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2795 rather than SYMBOL_REF_DECL.
2796 (rtx_constant_pool): Remove const_rtx_sym_htab.
2797 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2798 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2799 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2800 Remove handling of const_rtx_sym_htab.
2801 (find_pool_constant): Delete.
2802 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2803 rather than find_pool_constant.
2804 (get_pool_constant_for_function): Delete.
2805 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2807 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2808 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2809 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2810 (SYMBOL_REF_CONSTANT): New macro.
2811 (get_pool_constant_for_function): Delete.
2812 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2813 rather than SYMBOL_REF_DECL.
2814 (i386_pe_mark_dllimport): Likewise.
2815 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2816 rather than SYMBOL_REF_DECL.
2817 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2818 (machopic_indirect_call_target): Likewise.
2820 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2822 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2824 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2826 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2828 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2830 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2832 2006-01-24 David Daney <ddaney@avtrex.com>
2835 * configure.ac (enable_tls): New enable option.
2836 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2837 * configure: Regenerate.
2838 * doc/install.texi (--enable-tls): Document new option.
2839 (--disable-tls): Ditto.
2841 2006-01-24 Richard Henderson <rth@redehat.com>
2843 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2844 * alias.c (true_dependence): Respect it.
2845 (canon_true_dependence, write_dependence_p): Likewise.
2846 * builtins.c (get_builtin_sync_mem): Set it.
2848 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2850 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2853 2006-01-24 DJ Delorie <dj@redhat.com>
2855 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2856 for storing constants in single-bit bitfields.
2858 2006-01-25 Ben Elliston <bje@au.ibm.com>
2860 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2862 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2865 * tree-ssa-pre.c (phi_translate): Return NULL
2866 for AGGREGATE_TYPE's.
2868 2006-01-24 Zack Weinberg <zackw@panix.com>
2870 * genautomata.c (process_state_for_insn_equiv_partition):
2871 Use xcalloc for insn_arcs_array.
2872 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2873 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2875 2006-01-24 Richard Henderson <rth@redhat.com>
2877 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2880 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2882 PR rtl-optimization/25890
2883 PR rtl-optimization/25905
2884 * combine.c (expand_compound_operation, expand_field_assignment):
2885 Fail if the bitfield's final position is out of bounds.
2887 2006-01-24 Ian Lance Taylor <ian@airs.com>
2890 * cgraphunit.c (cgraph_output_in_order): Don't clear
2891 cgraph_asm_nodes until after asm strings have been output.
2893 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2895 * fix-header.c (read_scan_file): Add new parameter imultilib when
2896 calling register_include_chains.
2898 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2900 * omp-low.c: Update documentation.
2902 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2903 Daniel Berlin <dberlin@dberlin.org>
2907 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2908 return from the function.
2910 2006-01-22 Zack Weinberg <zackw@panix.com>
2912 * rtl.def (match_code): Add second argument.
2913 * genpreds.c (write_extract_subexp): New function.
2914 (write_match_code): Add path argument. Use write_extract_subexp.
2915 (write_predicate_expr): Pass path to write_match_code.
2916 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2917 not perform a mode test.
2918 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2919 a subexpression does not constrain the top-level code set.
2920 * read-rtl.c (read_rtx_variadic): New function.
2921 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2922 * doc/md.texi: Document new notation.
2923 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2924 (cmpsi_operand): ... here, using new notation.
2926 2006-01-22 Zack Weinberg <zackw@panix.com>
2928 * varray.c: Remove GENERATOR_FILE #ifdefs.
2930 2006-01-22 Zack Weinberg <zackw@panix.com>
2932 * genautomata.c (output_reserved_units_table): Emit nothing if
2933 description->query_units_num is zero. Remove extra blank line.
2934 (output_cpu_unit_reservation_p): Short circuit
2935 if description->query_units_num is zero.
2937 2006-01-22 Zack Weinberg <zackw@panix.com>
2939 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2940 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2941 nor any of the random handful of variables that used to be necessary
2942 when this program was linked with rtlanal.o. Prune set of forward
2943 function declarations.
2944 (struct attr_desc): Remove static_p field.
2945 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2946 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2947 (attr_string): Do not read the character one past the length of
2949 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2950 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2951 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2952 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2953 (make_automaton_attrs): New.
2954 (main): Do not call into genautomata. Call local gen_bypass
2955 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2956 Remove special case for insn_alts.
2957 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2958 varray.h (leftover from previous change). Prune set of forward
2959 function declarations. Remove state_alts fields from all
2960 structures. Remove state_alts_table from struct automaton.
2961 Make everything except main static. Do not maintain num_dfa_decls.
2962 Do not maintain state_alts fields of various structures.
2963 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2964 (add_arc): Remove state_alts argument. All callers updated.
2965 (output_reserved_units_table): Emit #ifdef here...
2966 (output_tables): ...not here. Don't generate state_alts tables.
2967 (expand_automata): Don't generate attributes.
2968 (write_automata): Don't generate state_alts functions.
2969 (main): New function.
2970 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2971 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2972 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2973 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2974 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2975 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2976 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2977 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2979 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2980 * genattrtab.h: Delete file.
2981 * Makefile.in (OBJS-common): Add insn-automata.o.
2982 (insn-automata.o): New rule.
2983 (simple_generated_c): Add insn-automata.c.
2984 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2985 (genprogmd): Add automata.
2986 (build/genattrtab): Needs no extra objects nor libraries.
2987 (build/genautomata): Needs build/vec.o and -lm.
2989 2006-01-22 Zack Weinberg <zackw@panix.com>
2991 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2992 (output_dfa_max_issue_rate, locked_states_num): Delete.
2993 (struct automaton): Add locked_states field.
2994 (output_dead_lock_vect): Save number of locked states in
2995 automaton->locked_states. If it is zero, don't print anything.
2996 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2997 (output_internal_dead_lock_func): Only test the dead_lock_vect
2998 for automata that have locked states.
2999 (output_statistics): Always print the number of locked states for
3000 each automaton. Calculate total number of locked states here.
3001 (write_automata): Don't call output_dfa_max_issue_rate.
3002 * genattrtab.c: Define length_unit_log as a const variable.
3003 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3004 max_insn_queue_index const.
3005 * final.c (length_unit_log): Declare const.
3006 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3008 2006-01-22 Zack Weinberg <zackw@panix.com>
3010 * genautomata.c: Include vec.h, not varray.h.
3011 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3012 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3013 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3014 VEC_* macros operating on appropriately typed vectors, or to
3015 malloced arrays when the size is known in advance. Const-ify
3016 many char* variables and function arguments. No functional changes.
3017 * Makefile.in (build/varray.o): Delete rule.
3018 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3019 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3021 2006-01-22 Zack Weinberg <zackw@panix.com>
3023 * gensupport.c: Define get_insn_name and record_insn_name here.
3024 (read_md_rtx): Call record_insn_name as appropriate.
3025 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3026 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3027 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3029 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3030 (BUILD_VARRAY): Delete.
3031 (genprognormal): Rename genprogmd. Fold in all programs from
3032 genprognoprint; also attrtab.
3033 (build/genattrtab): Just mention genautomata.o and varray.o.
3034 Reorganize a bit, add comments to make the categories clearer.
3036 2006-01-22 Zack Weinberg <zackw@panix.com>
3038 * genconditions.c (condition_table, add_condition): Delete.
3039 (write_conditions): Don't emit n_insn_conditions nor
3040 insn_elision_unavailable. Issue the gcc version #ifdef here,
3041 inside the table, with no #else clause ...
3042 (write_header): ...not here.
3043 (write_writer): New function.
3044 (main): Don't initialize condition_table. Use add_c_test.
3046 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3047 files on the command line.
3048 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3049 Return -1 if there is no entry in the table, don't abort.
3050 (add_c_test, traverse_c_tests): New functions.
3051 * gensupport.h (insn_elision_unavailable, insn_conditions)
3052 (n_insn_conditions): Delete declarations.
3053 (add_c_test, traverse_c_tests): Declare.
3054 * read-rtl.c: Include gensupport.h.
3055 (read_conditions): New function.
3056 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3057 (read_rtx_1): If we get EOF when we were looking for an initial
3058 open paren, return 0. Call read_conditions when appropriate.
3059 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3060 dummy-conditions.o. Eliminate references to insn-conditions.o,
3061 or change them to build/gencondmd.o, as appropriate. Remove
3062 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3063 from $(simple_generated_c). For all files remaining in those
3064 two lists, add insn-conditions.md to the generator command line.
3065 Give insn-constants.h/s-constants their own rules. Add rules
3066 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3067 (build/read-rtl.o): Depend on gensupport.h.
3068 (genprognormal): Include preds.
3069 (genprogearly): Rename genprognoprint; only difference is now that
3070 they don't link with $(BUILD_PRINT).
3071 * dummy-conditions.c: Delete.
3073 2006-01-22 Zack Weinberg <zackw@panix.com>
3075 * genextract.c: Don't include insn-config.h. Do include vec.h.
3076 Declare vectors of int, char, and locstr.
3077 (locstr): New typedef.
3078 (struct extraction): Make all array fields into bare pointers.
3079 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3080 (insn_code_number): Delete.
3081 (accum_extract): New struct.
3082 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3083 (gen_insn): Take insn_code_number as an argument. Use an
3084 accum_extract structure instead of loading data directly into
3085 a struct extraction, and having to know how big it might get.
3086 (walk_rtx): Operate entirely on an accum_extract structure.
3087 (print_path): Avoid unnecessary use of printf.
3088 (print_header): New function, split out of main. Distinguish
3089 more carefully between an unrecognizable insn and an insn that
3090 has the code number of a define_expand.
3091 (main): Pass insn_code_number to gen_insn. Call print_header
3092 only after parsing. Avoid unnecessary use of printf.
3093 * Makefile.in (build/vec.o): New rule.
3094 (build/genextract): Depend on build/vec.o.
3095 (build/genextract.o): Don't depend on insn-config.h.
3097 2006-01-22 Zack Weinberg <zackw@panix.com>
3099 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3100 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3101 practical. Eliminate per-generator-program link rules.
3103 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3106 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3107 with a call expr to ...
3108 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3110 2006-01-23 Richard Guenther <rguenther@suse.de>
3112 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3113 before make_edge with conditional EDGE_TRUE_VALUE.
3115 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3116 Jan Hubicka <jh@suse.cz>
3117 Richard Guenther <rguenther@suse.de>
3119 PR rtl-optimization/25654
3120 * cfgexpand.c (aggregate_contains_union_type): New function.
3121 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3122 for structure variables that contain a union type.
3124 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3126 * gengtype.c (new_structure): Return the structure.
3127 (create_option): Add an extra "next" argument.
3128 (create_field): New function.
3129 (adjust_field_rtx_def): Use create_option and create_field.
3130 Remove a now-unnecessary call to find_structure.
3131 (adjust_field_tree_def): Likewise.
3132 (note_yacc_type): Remove an unnecessary call to find_structure.
3133 * gengtype.h (new_structure): Return the structure.
3134 (create_option): Add an extra argument.
3135 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3136 (option): Adjust calls to create_option.
3138 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3140 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3142 2006-01-22 Paul Brook <paul@codesourcery.com>
3143 Peter Barada <peter@the-baradas.com>
3145 * config/m68k/m68k.md: Add Coldfire FPU support.
3146 Define FP mode macro and associated attributes.
3147 Use it for float mode patterns.
3148 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3149 (LIBCALL_VALUE): Use m68k_libcall_value.
3150 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3151 (m68k_function_value): Ditto.
3152 (emit_move_sequence): Ditto.
3153 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3154 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3155 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3156 (MULTILIB_EXCEPTIONS): Ditto.
3157 * config/m68k/m68k.opt: Add mcfv4e.
3158 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3159 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3160 (m68k_output_function_prologue): Save ColdFire FPU registers.
3161 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3162 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3163 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3164 ColdFire FPU registers.
3165 (m68k_libcall_value, m68k_function_value): New functions.
3166 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3167 (LIBCALL_VALUE): Use m68k_libcall_value.
3168 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3169 (MASK_COLDFIRE): Add MASK_CFV4E.
3170 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3171 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3172 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3173 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3174 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3175 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3176 * doc/invoke.tex: Document -mcfv4e on m68k.
3178 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3180 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3183 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3186 * c-opts.c (c_common_handle_option): Don't include
3187 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3188 * doc/invoke.texi (C++ Dialect Options): Document that
3189 -Wnon-virtual-dtor is no longer included in -Wall.
3191 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3193 * gcov.c (print_version), gcov-dump.c (print_version),
3194 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3197 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3199 * df-scan.c (problem_SCAN): Added NULL reset function.
3200 (df_scan_reset_blocks): Added code to call reset block function
3201 (df_bb_refs_delete) Fixed comment.
3202 (df_insn_refs_delete): Made tolerant of deleting non existent info
3203 for dataflow problems that need to be reset.
3204 * df-core.c (df_set_blocks): Ditto.
3205 * df.h (struct df_problem): Added reset_fun.
3206 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3207 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3208 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3209 functions to clear out all references to def-use or use-def chains.
3211 2006-01-21 Ben Elliston <bje@au.ibm.com>
3213 * varasm.c (assemble_real): Initialise data array.
3215 2006-01-20 Paul Brook <paul@codesourcery.com>
3217 Merge from csl-arm-branch.
3218 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3219 * config/arm/arm.md (movdi): Force operands[1] to a register
3220 if we have a non-register source.
3221 (*arm_movdi, *movdf_soft_insn): Require that one of the
3222 operands be a register.
3223 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3224 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3226 2006-01-20 DJ Delorie <dj@redhat.com>
3228 * varasm.c (initialize_constant_valid_p): Allow pointers
3229 initialized from integer constants of lesser precision.
3230 (output_constant): Allow non-int-sized pointer modes to be
3231 initialized from integer constants.
3233 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3236 * cppdefault.h (struct default_include): Add multilib flag.
3237 * cppdefault.c (cpp_include_defaults): Set it.
3238 * c.opt (-imultilib): New option.
3239 * c-opts.c (imultilib): New.
3240 (c_common_handle_option): Handle -imultilib.
3241 (c_common_post_options): Likewise.
3242 * c-incpath.c (add_standard_paths, register_include_chains):
3244 * c-incpath.h (register_include_chains): Add extra parameter.
3245 * gcc.c (do_spec_1): Generate -imultilib option.
3246 (The Specs Language): Update %I description.
3247 (process_command): Update copyright notice.
3248 * doc/cppopts.texi (-imultilib): Document.
3249 * doc/invoke.texi (-imultilib): Include in option summary.
3250 (%I): Update specs documentation.
3252 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3254 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3256 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3258 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3261 2006-01-20 Richard Guenther <rguenther@suse.de>
3262 Steven Bosscher <stevenb.gcc@gmail.com>
3264 PR rtl-optimization/24626
3265 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3266 EDGE_TRUE_VALUE if in RTL mode.
3269 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3270 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3272 2006-01-20 Dirk Mueller <dmueller@suse.com>
3275 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3276 instead of a special NOP marker.
3277 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3278 NOP marker handling.
3279 * c-common.h (empty_body_warning): Add forward declaration.
3280 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3281 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3283 2006-01-20 Paul Brook <paul@codesourcery.com>
3285 * Makefile.in (lang_checks): Keep going if mkdir fails.
3287 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3289 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3290 be able to clean out basic block when not necessary.
3291 (df_scan_free): Fixed to properly delete information if df is
3292 unused before calling df_finish.
3293 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3294 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3296 (df_bb_refs_delete): New function.
3297 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3298 * df-core.c (df_set_blocks): Added code to properly clean out
3299 unused blocks if they are not part of the blocks to consider.
3300 Added additional null check.
3301 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3302 be able to clean out basic block when not necessary
3303 * df.h (df_free_bb_function): Ditto.
3304 (df_bb_refs_delete): New function.
3305 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3306 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3307 basic block parameter to be able to clean out basic block when not
3309 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3310 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3311 Fixed to properly delete information if df is unused before
3314 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3316 PR rtl-optimization/25799
3317 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3318 Corrected confluence operator to remove bits from op2 before oring
3319 with op1 rather than removing bits from op1.
3320 (df_ru_transfer_function): Corrected test on wrong bitmap which
3321 caused infinite loop. Both of these problems were introduced in
3322 the dataflow rewrite.
3324 2006-01-19 DJ Delorie <dj@redhat.com>
3326 * reload1.c (find_reload_regs): Note the details of reload
3327 failures in the dump file.
3328 (spill_failure): Likewise.
3330 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3332 * loop-iv.c: Include df.h and hashtab.h.
3333 (enum iv_grd_result): New enum.
3334 (DF_REF_IV, DF_REF_IV_SET): New macros.
3335 (struct biv_entry): New.
3336 (df, bivs): New global variables.
3337 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3338 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3340 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3341 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3342 analyzed_for_bivness_p, record_biv): New functions.
3343 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3344 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3345 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3347 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3349 (iv_number_of_iterations): Use new interface to iv analysis.
3350 * loop-unroll.c: Do not include varray.h.
3351 (analyze_iv_to_split_insn): Use new interface to iv
3353 * loop-unswitch.c (may_unswitch_on): Ditto.
3354 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3356 (df_bb_modify): Realloc tables to the new index.
3357 (df_find_use): New function.
3358 * df.h (df_find_use): Declare.
3359 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3361 * cfgloop.h (struct rtx_iv): Remove analysed field.
3362 (iv_get_reaching_def): Removed.
3363 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3364 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3365 (loop-iv.o): Add df.h and hashtab.h dependency.
3366 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3368 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3371 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3373 (__floatundisf, __floatundidf): Likewise.
3374 * libgcc2.h (IS_IBM_EXTENDED): Define.
3376 2006-01-19 DJ Delorie <dj@redhat.com>
3378 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3380 2006-01-19 Paul Brook <paul@codesourcery.com>
3382 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3383 as nothrow when unwinding tables are disabled.
3385 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3388 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3389 of bit-field" when in system header.
3391 2006-01-19 DJ Delorie <dj@redhat.com>
3393 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3394 the 16 bit shift limit of the m16c.
3396 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3399 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3400 * config/i386/i386.c (output_set_got): Output the label if we have one
3401 for the TARGET_DEEP_BRANCH_PREDICTION case.
3403 2006-01-19 Jan Hubicka <jh@suse.cz>
3404 H.J. Lu <hongjiu.lu@intel.com>
3405 Evandro Menezes <evandro.menezes@amd.com>
3407 * invoke.texi (generic): Document
3409 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3410 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3411 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3412 (x86_use_incdec, x86_pad_returns): New variables
3413 (TARGET_CPU_DEFAULT_generic): New constant
3414 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3415 (enum processor_type): Add generic32 and generic64.
3416 * i386.md (cpu attribute): Add generic32/generic64
3417 (movhi splitter): Behave sanely when both partial_reg_dependency and
3418 partial_reg_stall are set.
3419 (K8 splitters): Enable for generic as well.
3420 * predicates.md (incdec_operand): Use TARGET_INCDEC
3421 (aligned_operand): Avoid memory mismatch stalls.
3422 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3423 * ppro.md: Enable for generic32
3424 * i386.c (generic64_cost, generic32_cost): New.
3425 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3426 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3427 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3428 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3429 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3430 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3431 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3432 x86_accumulate_outgoing_args, x86_prologue_using_move,
3433 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3434 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3436 (x86_use_incdec, x86_pad_returns): New.
3437 (override_options): Add generic32 and generic64, translate "generic"
3438 to generic32/generic64 and "i686" to "generic32", refuse
3439 "generic32"/"generic64" as arch target.
3440 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3441 (ix86_reorg): Honor PAD_RETURNS.
3443 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3445 * tree-pretty-print.c (dump_generic_node): Handle
3446 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3447 * cgraph.c (cgraph_expand_queue): Rename from
3448 cgraph_analyze_queue. Update all users.
3449 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3450 cgraph_expand_queue.
3451 (cgraph_expand_all_functions): Likewise.
3452 (cgraph_finalize_pending_functions): Remove. Update callers.
3454 * tree.h (OMP_DIRECTIVE_P): Define.
3455 (OMP_PARALLEL_FN): Define.
3456 (OMP_PARALLEL_DATA_ARG): Define.
3457 (OMP_SECTIONS_SECTIONS): Define.
3458 * tree-pass.h (pass_expand_omp): Declare.
3459 * omp-low.c (struct omp_region): Declare.
3460 (struct omp_context): Remove fields 'parallel_type',
3461 'parallel_start_ix' and 'parallel_start_additional_args'.
3463 (struct omp_for_data): Rename from struct expand_omp_for_data.
3464 (omp_regions): New static variable.
3465 (root_omp_region): New static variable.
3466 (find_omp_clause): Make static.
3467 (is_in_combined_parallel_ctx): Remove.
3468 (is_combined_parallel): New.
3469 (extract_omp_for_data): Move earlier in the file.
3470 (workshare_safe_to_combine_p): New.
3471 (get_ws_args_for): New.
3472 (determine_parallel_type): Move earlier in the file.
3473 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3475 (omp_copy_decl): Likewise.
3476 (create_omp_child_function): Likewise.
3477 (lookup_omp_region): New.
3478 (dump_omp_region): New.
3479 (debug_omp_region): New.
3480 (debug_all_omp_regions): New.
3481 (new_omp_region): New.
3482 (scan_omp_parallel): If parallel_nesting_level > 1, the
3483 directive is nested within another parallel directive.
3484 Set OMP_PARALLEL_FN.
3485 (scan_omp_for): Do not try to handle combined parallel+for
3487 Remove FIXME comment.
3488 (scan_omp_nested): Remove.
3489 (scan_omp_1): Do not call scan_omp_nested when
3490 parallel_nesting_level is > 1.
3491 Do not change the DECL_CONTEXT of local variables found.
3492 (lookup_decl_in_outer_ctx): New.
3493 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3494 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3495 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3496 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3497 If CTX is nested, lookup VAR in the outer context when
3498 building copy assignment.
3499 (lower_send_clauses): Rename from expand_send_clauses.
3500 If CTX is nested, lookup VAR in the outer context when
3501 building copy assignments.
3502 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3503 If CTX is nested, lookup VAR in the outer context when
3504 building copy assignments.
3505 (expand_parallel_call): Rename from build_parallel_call.
3506 Handle combined parallel+workshare cases.
3507 Re-implement to emit code into the CFG.
3509 (expand_omp_parallel): Re-implement to emit code into the CFG.
3510 Call move_sese_region_to_fn to outline the sub-graph
3511 containing the parallel region.
3512 (expand_omp_for_1): Remove.
3513 (expand_omp_for_generic): Re-implement to emit code into the
3515 (expand_omp_for_static_nochunk): Likewise.
3516 (expand_omp_for_static_chunk): Likewise.
3517 (expand_omp_for): Likewise.
3518 (expand_omp_sections): Likewise.
3519 (remove_exit_barriers): New.
3520 (expand_omp_synch): New.
3522 (build_omp_regions_1): New.
3523 (build_omp_regions): New.
3524 (execute_expand_omp): New.
3525 (gate_expand_omp): New.
3526 (pass_expand_omp): Define.
3527 (lower_omp_sections): Rename from expand_omp_sections.
3528 Set OMP_SECTIONS_SECTIONS.
3529 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3530 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3531 (lower_omp_single): Rename from expand_omp_simple.
3532 (lower_omp_master): Rename from expand_omp_master.
3533 (lower_omp_ordered): Rename from expand_omp_ordered.
3534 (lower_omp_critical): Rename from expand_omp_critical.
3535 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3536 (lower_omp_for): Re-implement.
3537 (lower_omp_parallel): Re-implement.
3538 (lower_regimplify): Rename from expand_regimplify.
3539 (lower_omp_1): Rename from expand_omp_1.
3540 If there are syntax errors in the program, replace every
3541 OpenMP directive with NOP.
3542 Call lower_omp_* instead of expand_omp_*.
3543 (lower_omp): Rename from expand_omp.
3545 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3546 * tree-gimple.h (enum omp_parallel_type): Remove.
3547 (gimple_boolify): Declare extern.
3548 (find_omp_clause, determine_parallel_type): Remove.
3550 * gimple-low.c (lower_omp_directive): New.
3551 (lower_stmt): Call it.
3552 (record_vars_into): Move from ...
3553 (record_vars): ... here.
3554 Call record_vars_into with current_function_decl.
3556 * gimplify.c (struct gimplify_ctx): Remove fields
3557 combined_pre_p and combined_ctxp. Update users.
3558 (get_formal_tmp_var): Add documentation.
3559 (gimple_boolify): Make extern.
3560 (gimplify_expr_in_ctx): Remove. Update callers.
3561 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3562 will always be a BIND_EXPR.
3563 (gimplify_expr): Handle OMP_RETURN_EXPR.
3564 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3565 (OMP_PARALLEL): Add 3 operands.
3566 (OMP_SECTIONS): Add 1 operand.
3567 (OMP_RETURN_EXPR): Define.
3569 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3570 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3571 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3572 creating a circular free list.
3573 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3575 * tree-flow.h (move_sese_region_to_fn): Declare.
3576 (record_vars_into): Declare.
3577 * tree-cfg.c (make_omp_sections_edges): New.
3578 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3579 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3580 OMP_SECTIONS and OMP_SECTION.
3581 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3582 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3583 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3584 (gather_blocks_in_sese_region): New.
3585 (struct move_stmt_d): Declare.
3587 (move_block_to_fn): New.
3588 (move_sese_region_to_fn): New.
3590 * passes.c (init_optimization_passes): Schedule
3591 pass_expand_omp after pass_init_datastructures.
3593 * tree-ssa-operands.c (get_expr_operands): Handle
3594 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3595 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3597 2006-01-19 Jeff Law <law@redhat.com>
3599 * tree-vrp.c (extract_range_from_assert): Refine the result range
3600 if the variable referenced by the ASSERT_EXPR has a range and
3601 either the tentative result range or the previous range is a
3604 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3606 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3608 2006-01-19 Jan Hubicka <jh@suse.cz>
3610 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3612 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3614 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3615 (expand_compound_operation, expand_field_assignment): Fail if the
3616 bit lengths of an extract operation are out of range.
3617 (make_extraction): Compute wanted_inner_mode based on the position
3618 and length of the extraction. Make it extraction_mode for non-constant
3619 positions, and do not modify offset in that case. When generating a
3620 new MEM, use a mode that can hold the extraction while keeping correct
3621 alignment. Remove code that supported MEMs wrapped by USEs.
3622 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3624 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3626 * config/s390/s390.md ("Y", "y"): New mode attribute.
3627 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3628 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3629 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3630 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3631 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3632 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3633 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3634 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3635 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3636 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3637 "addsi3", "subsi3"): Insn patterns removed.
3638 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3639 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3640 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3641 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3642 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3643 "*sub<mode>3_cconly2"): New insn patterns.
3644 ("addsi3", "subsi3"): New expanders.
3646 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3648 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3649 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3650 existing STMT_VINFO_VECTYPE if available.
3651 (vect_mark_relevant): Add special handling for stmts that are
3652 marked as STMT_VINFO_IN_PATTERN_P.
3653 (vect_analyze_loop): Call vect_pattern_recog.
3654 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3655 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3657 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3658 (vect_recog_func_ptr): New function-pointer type.
3659 * tree-vect-patterns.c: New file.
3660 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3661 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3662 (vect_pattern_recog_1): New functions.
3663 (vect_pattern_recog_funcs): New array of function pointers.
3665 * tree-vectorizer.h (ternary_op): New enum value.
3666 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3667 declaration. Revised documentation. Removed redundant dump prints.
3668 Removed redundant argument. Added support for reduction patterns.
3669 (vectorizable_reduction): Added support for reduction patterns.
3670 (vect_transform_stmt): Added support for patterns.
3672 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3673 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3674 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3675 (expand_widen_pattern_expr): New function.
3676 (init_optabs): Initialize new optabs udot_prod_optab,
3678 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3679 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3680 (expand_widen_pattern_expr): New function declaration.
3681 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3683 * tree-inline.c (estimate_num_insns_1): Added cases for new
3684 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3685 * tree-pretty-print.c (dump_generic_node): Likewise.
3686 (op_prio): Likewise.
3687 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3688 * tree-ssa-operands.c (get_expr_operands): Added case for
3690 * tree-vect-patterns.c (widened_name_p): New function.
3691 (vect_recog_dot_prod_pattern): Added function implementation.
3692 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3693 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3694 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3695 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3697 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3698 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3699 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3700 (init_optabs): Initialize new optabs widen_ssum_optab,
3702 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3703 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3704 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3705 use instead of type of def.
3706 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3707 function implementation.
3708 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3709 widen_ssumv8hi): New.
3711 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3714 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3717 * c-decl.c (add_flexible_array_elts_to_size): New function.
3718 (finish_decl): Use it.
3720 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3722 * diagnostic.h: Include options.h.
3723 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3724 dependancies for diagnostic.h.
3725 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3727 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3729 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3730 (ssa_ro_call_cache_valid): Ditto.
3731 * tree-ssa-alias.c (sort_tags_by_id): New function.
3732 (init_transitive_clobber_worklist): Ditto.
3733 (add_to_worklist): Ditto.
3734 (mark_aliases_call_clobbered): Ditto.
3735 (compute_tag_properties): Ditto.
3736 (set_initial_properties): Ditto.
3737 (compute_call_clobbered): Ditto.
3738 (compute_may_aliases): Call compute_call_clobbered and grouping.
3739 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3740 (compute_flow_insensitive_aliasing): Grouping now happens in our
3742 (setup_pointers_and_addressables): Remove clobbering related code.
3743 (add_may_alias): Ditto.
3744 (replace_may_alias): Ditto.
3745 (get_nmt_for): Ditto.
3746 (create_global_var):
3747 (is_escape_site): Return an escape_type enumeration.
3748 * tree-flow-inline.h (is_call_clobbered): Global var does not
3749 imply call clobbered.
3750 (mark_call_clobbered): Take a reason for marking this. Remove
3751 marking of globalness, and cache invalidation.
3752 (clear_call_clobbered): Remove cache invalidation code.
3753 * tree-dfa.c (dump_variable): If details is on, dump the reason
3755 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3757 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3758 (struct var_ann_d): Ditto.
3759 (enum escape_type): New.
3760 (mark_call_clobbered): Adjust prototype.
3761 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3762 are never call clobbered.
3763 Record reasons for escaping.
3764 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3765 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3766 (ssa_ro_call_cache_valid): Ditto.
3767 (clobbered_v_may_defs): Ditto.
3768 (clobbered_vuses): Ditto.
3769 (ro_call_vuses): Ditto.
3770 (clobber_stats): New.
3771 (init_ssa_operands): Zero out clobber stats.
3772 (fini_ssa_operands): Print out clobber stats.
3773 (get_call_expr_operands): Pass callee fndecl to
3775 (add_call_clobber_ops): Remove use of cache.
3776 Add use of PURE_CONST information.
3777 (add_call_read_ops): Remove use of cache.
3778 Add use of static not_read information.
3780 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3782 Introduce TLS descriptors for i386 and x86_64.
3783 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3784 (TARGET_ANY_GNU_TLS): New macro.
3785 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3786 (struct machine_function): Add tls_descriptor_call_expanded_p.
3787 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3788 (ix86_current_function_calls_tls_descriptor): Likewise.
3789 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3790 (override_options): Introduce gnu2 tls dialect.
3791 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3793 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3795 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3796 (ix86_init_machine_status): Initialize new field.
3797 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3798 (ix86_tls_module_base): New.
3799 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3800 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3801 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3802 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3803 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3804 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3805 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3806 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3807 * config/i386/predicates.md (tls_modbase_operand): New.
3808 (tp_or_register_operand): New.
3810 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3812 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3813 (look_for_address_of): Ditto.
3814 (ipa_init): Walk the function decls.
3815 (static_execute): Don't set readonly on FUNCTION_DECL's.
3817 2006-01-18 Roger Sayle <roger@eyesopen.com>
3819 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3820 for shifts where the source and destination registers are different.
3822 2006-01-18 Paul Brook <paul@codesourcery.com>
3824 Merge from csl-arm-branch.
3825 2005-03-14 Julian Brown <julian@codesourcery.com>
3826 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3827 (aeabi_llsl): Likewise.
3828 (ashrdi3): Likewise.
3829 (aeabi_lasr): Likewise.
3830 (lshrdi3): Likewise.
3831 (aeabi_llsr): Likewise.
3832 2005-03-10 Julian Brown <julian@codesourcery.com>
3833 * config.gcc: Disable shared libgcc for SymbianOS.
3834 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3836 2006-01-18 DJ Delorie <dj@redhat.com>
3838 * c-pragma.c (handle_pragma_diagnostic): New.
3839 (init_pragma): Register it.
3840 * doc/extend.texi: Document it.
3842 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3843 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3844 (diagnostic_context): Add classify_diagnostic[].
3845 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3846 as errors if they're overridden to DK_WARNING.
3847 (diagnostic_initialize): Initialize classify_diagnostic[].
3848 (diagnostic_set_kind_override): New.
3849 (diagnostic_report_diagnostic): Check for kind changes.
3850 * opts.c (common_handle_option): Take lang_mask. Update callers.
3852 * common.opt (Werror=): New.
3853 * doc/invoke.texi: Document -Werror=*
3855 2006-01-18 Jeff Law <law@redhat.com>
3857 * tree-vrp.c (test_for_singularity): Correct test for new
3858 min limit. Use operand_equal_p rather than pointer equality
3859 for testing if new min/max values are equal.
3861 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3862 using range information until after propagation and folding.
3864 2006-01-18 Richard Henderson <rth@redhat.com>
3865 Aldy Hernandez <aldyh@redhat.com>
3866 Jakub Jelinek <jakub@redhat.com>
3867 Diego Novillo <dnovillo@redhat.com>
3869 * omp-low.c: New file.
3870 * c-omp.c: New file.
3872 2006-01-18 Richard Henderson <rth@redhat.com>
3873 Jakub Jelinek <jakub@redhat.com>
3874 Diego Novillo <dnovillo@redhat.com>
3876 * doc/invoke.texi: Document -fopenmp.
3877 * tree-dump.h (debug_function): Declare.
3878 * hooks.c (hook_bool_tree_bool_false): New function.
3879 (hook_tree_tree_null): Remove.
3880 (hook_tree_tree_tree_null): New.
3881 * hooks.h: Update to match.
3882 * tree-pretty-print.c (debug_tree_chain): New.
3883 (print_generic_expr): Handle TDF_CHAIN.
3884 (dump_generic_node): Handle BLOCK.
3885 Do not abort with incomplete SWITCH_EXPRs.
3886 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3887 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3888 print space after directive name.
3889 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3890 Handle OMP_MASTER and OMP_ORDERED.
3891 Handle printing of OMP_BODY just in one place, goto
3892 dump_omp_body in the rest of OMP_* nodes that have
3894 Don't handle clause nodes here. Update omp statements to
3895 use dump_omp_clauses.
3896 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3897 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3898 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3899 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3900 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3901 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3902 Adjust output for GOMP_PARALLEL.
3903 (dump_omp_clauses): New.
3904 (print_declaration): Dump DECL_VALUE_EXPR.
3905 (op_symbol_1): Split out of op_symbol.
3906 (dumping_stmts): Remove. Update all users.
3907 * cgraph.c (cgraph_analyze_queue): New.
3908 (cgraph_add_new_function): New.
3909 * cgraph.h (cgraph_analyze_queue): Declare.
3910 (cgraph_add_new_function): Declare.
3911 (cgraph_lower_function): Remove.
3912 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3913 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3914 and TYPE_P nodes in its default clause.
3915 (empty_body_p): New.
3916 (tree_range_check_failed): New.
3918 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3919 OMP_CLAUSE_REDUCTION_MERGE,
3920 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3921 OMP_CLAUSE_PRIVATE_DEBUG,
3922 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3923 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3924 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3925 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3926 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3927 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3928 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3929 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3930 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3931 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3932 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3933 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3934 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3935 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3936 (TREE_RANGE_CHECK): New.
3937 (empty_body_p): Declare.
3938 (enum omp_clause_default_kind): New.
3939 (build_string_literal): Declare.
3940 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3941 (build5_stat, build5): Declare.
3942 * tree-pass.h (TDF_CHAIN): Define.
3943 * tree-pass.h (PROP_gimple_lomp): Define.
3944 (pass_lower_omp): Declare.
3945 * diagnostic.h (debug_tree_chain): Declare.
3946 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3948 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3949 * builtins.c (build_string_literal): Make extern.
3950 * gcc.c (include_spec_function): New.
3951 (static_spec_functions): Add it.
3952 (main): Move load of libgomp.spec ...
3953 (LINK_COMMAND_SPEC): ... here.
3954 (link_gomp_spec): New.
3955 (static_specs): Include it.
3956 (LINK_COMMAND_SPEC): Add link_gomp.
3957 (GOMP_SELF_SPECS): New.
3958 (driver_self_specs): Include it.
3959 (switch_matches): Don't mark inline.
3960 (main): Load libgomp.spec.
3961 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3962 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3963 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3964 * tree-gimple.h (enum omp_parallel): Declare.
3965 (determine_parallel_type): Declare.
3966 (omp_firstprivatize_variable): Declare.
3967 (omp_reduction_init): Declare.
3968 (diagnose_omp_structured_block_errors): Declare.
3969 (struct walk_stmt_info): Add want_return_expr.
3970 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3971 (find_omp_clause): Declare.
3972 (insert_field_into_struct): Declare.
3973 (struct walk_stmt_info): Move from tree-nested.c
3974 (walk_stmts): Declare.
3975 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3977 * cgraphunit.c (cgraph_lower_function): Make static.
3978 (cgraph_finalize_pending_functions): New.
3979 (cgraph_finalize_function): Call it.
3980 (cgraph_finalize_compilation_unit): Likewise.
3981 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3982 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3983 (BT_FN_UINT_UINT): New.
3984 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3985 DEF_FUNCTION_TYPE_VAR_4): Document.
3986 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3987 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3988 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3989 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3990 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3991 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3992 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3993 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3994 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3995 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3996 into separate files.
3997 (DEF_GOMP_BUILTIN): New.
3998 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3999 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4000 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4001 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4002 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4003 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4004 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4005 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4006 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4007 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4008 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4009 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4010 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4011 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4012 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4013 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4014 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4015 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4016 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4017 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4018 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4019 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4020 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4021 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4022 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4023 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4024 * sync-builtins.def: New file, moved from builtins.def.
4025 * omp-builtins.def: New file, moved from builtins.def.
4026 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4027 * gimple-low.c (lower_function_body): Clear data.
4028 (lower_stmt): Do not handle COMPOUND_EXPR.
4029 Remove call to print_node_brief.
4030 * c-tree.h (c_finish_omp_clauses): New prototype.
4031 (C_DECL_THREADPRIVATE_P): Define.
4032 (lookup_name_no_remap, c_omp_remap_private): Remove
4033 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4034 (check_for_loop_decls): Update decl.
4035 (lookup_name_no_remap, c_omp_remap_private): Declare.
4036 (build_indirect_ref, build_modify_expr, pushdecl,
4037 pushdecl_top_level): Move to c-common.h.
4038 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4039 before the switch, but just in the 2 places that need it.
4040 * c-decl.c (diagnose_mismatched_decls): Do not check for
4041 mismatched thread-local attributes when OLDDECL is marked
4042 threadprivate and NEWDECL has no thread-local attributes.
4043 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4044 (c_gimple_diagnostics_recursively): Rename from
4045 c_warn_unused_result_recursively. Invoke
4046 diagnose_omp_structured_block_errors.
4047 (check_for_loop_decls): Return a singular decl found.
4048 * langhooks.c (lhd_omp_predetermined_sharing): Return
4049 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4050 (lhd_omp_firstprivatize_type_sizes): New.
4051 (lhd_omp_assignment): New.
4052 (lhd_omp_predetermined_sharing): New.
4053 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4054 (struct lang_hooks_for_types): Add
4055 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4056 omp_predetermined_sharing, omp_disregard_value_expr,
4057 omp_private_debug_clause, omp_clause_default_ctor,
4058 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4059 (c_finish_omp_clauses): New.
4060 (c_finish_bc_stmt): Diagnose break within omp for.
4061 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4062 (build_unary_op): Return error_mark after reporting
4064 (build_modify_expr): Likewise.
4065 * gimplify.c: Include optabs.h and pointer-set.h.
4066 (enum gimplify_omp_var_data): Declare.
4067 (struct gimplify_omp_ctx): Declare.
4068 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4070 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4071 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4072 (splay_tree_compare_decl_uid): New.
4073 (new_omp_context): New.
4074 (delete_omp_context): New.
4075 (gimple_add_tmp_var): Call omp_add_variable.
4076 (gimplify_bind_expr): Likewise.
4077 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4078 true, disregard DECL_VALUE_EXPR on the decl if any.
4079 (gimplify_expr_in_ctx): New.
4080 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4081 omp_add_variable, omp_notice_variable, omp_is_private
4082 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4083 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4084 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4085 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4086 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4087 gimplify_omp_atomic): New.
4088 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4089 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4090 OMP_CRITICAL and OMP_ATOMIC.
4091 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4092 * c-pragma.h (enum pragma_kind): Add
4093 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4094 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4095 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4096 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4097 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4098 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4099 PRAGMA_OMP_THREADPRIVATE.
4100 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4101 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4102 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4103 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4104 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4105 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4106 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4107 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4108 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4109 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4110 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4111 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4112 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4114 (struct nesting_info): Add field_map,
4115 suppress_expansion, debug_var_chain.
4116 (create_nesting_tree): Initialize them.
4117 (lookup_field_for_decl): Use field_map.
4118 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4119 (convert_local_omp_clauses): New.
4120 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4121 (walk_body): Split out of walk_function.
4122 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4123 (convert_nonlocal_reference): Handle omp statements.
4124 (convert_local_reference): Likewise.
4125 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4126 (unnest_nesting_tree): New.
4127 (lower_nested_functions): Call it.
4128 (insert_field_into_struct): Make extern.
4129 (struct walk_stmt_info): Move to tree-gimple.h.
4130 (walk_stmts): Make extern.
4131 * omp-builtins.def: New file.
4132 * tree-iterator.c (expr_only): Clarify comment.
4133 * c-common.h (pushdecl_top_level, pushdecl,
4134 build_modify_expr, build_indirect_ref,
4135 c_finish_omp_master, c_finish_omp_critical,
4136 c_finish_omp_ordered, c_finish_omp_barrier,
4137 c_finish_omp_atomic, c_finish_omp_flush,
4138 c_finish_omp_for, c_split_parallel_clauses,
4139 omp_clause_default_kind, c_omp_sharing_predetermined,
4140 c_omp_remap_decl): Declare.
4141 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4142 (OBJS-common): Add omp-low.o.
4143 (c-omp.o, omp-low.o): Add.
4144 (gimplify.o): Add dependency on $(OPTABS_H).
4145 (GTFILES): Add omp-low.c.
4146 (gt-stringpool.h): Add.
4147 * tree-cfg.c (set_bb_for_stmt): Do not update the
4148 block-to-labels map if we are currently expanding to RTL.
4149 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4151 Handle IDENTIFIER_NODE.
4152 (tree_verify_flow_info): Do not ICE when emitting error
4153 messages about invalid labels.
4154 (dump_function_to_file): Reset CFUN before emitting the body
4156 (debug_function): New.
4157 * passes.c (init_optimization_passes): Schedule
4159 * langhooks-def.h (lhd_omp_predetermined_sharing,
4160 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4162 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4163 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4164 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4165 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4166 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4167 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4168 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4169 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4170 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4171 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4172 (LANG_HOOK_DECLS): Use them.
4174 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4175 Richard Henderson <rth@redhat.com>
4176 Jakub Jelinek <jakub@redhat.com>
4177 Diego Novillo <dnovillo@redhat.com>
4179 * c-parser.c (pragma_omp_clause): Define.
4180 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4181 (c_parser_compound_statement): Likewise.
4182 (c_parser_statement): Likewise.
4183 (c_parser_pragma): Handle omp pragmas.
4184 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4185 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4186 (c_parser_omp_clause_name, check_no_duplicate_clause,
4187 c_parser_omp_variable_list,
4188 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4189 c_parser_omp_clause_copyprivate,
4190 c_parser_omp_clause_default,
4191 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4192 c_parser_omp_clause_lastprivate,
4193 c_parser_omp_clause_nowait,
4194 c_parser_omp_clause_num_threads,
4195 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4196 c_parser_omp_clause_reduction,
4197 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4198 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4199 c_parser_omp_atomic, c_parser_omp_barrier,
4200 c_parser_omp_critical, c_parser_omp_flush,
4201 c_parser_omp_for_loop, c_parser_omp_for,
4202 c_parser_omp_master, c_parser_omp_ordered,
4203 c_parser_omp_sections_scope, c_parser_omp_sections,
4204 c_parser_omp_parallel, c_parser_omp_single,
4205 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4206 * c-pragma.c (init_pragma): Do omp pragma registration here.
4207 * c.opt (fopenmp): New flag.
4209 2006-01-18 Eric Christopher <echristo@apple.com>
4211 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4212 * config/darwin.h (GOMP_SELF_SPECS): Define.
4214 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4216 * rtl.h: Remove the prototype for reg_alloc.
4218 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4221 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4222 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4223 sjlj and dwarf2 exception handling.
4224 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4225 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4226 * pa/pa.c (function_value): Treat complex and vector types as
4228 (function_arg): Likewise. Only pass scalar floats in the floating
4229 point argument registers.
4230 * pa/t-slibgcc-dwarf-ver: New file.
4231 * pa/t-slibgcc-sjlj-ver: New file.
4232 * pa/t-slibgcc-elf-ver: Delete file.
4234 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4236 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4237 unlikely_test_section_p test.
4239 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4241 * mode-switching.c (optimize_mode_switching): Make it static.
4242 * basic-block.h: Remove the prototype for
4243 optimize_mode_switching.
4245 * modulo-sched.c (sms_schedule): Make it static.
4246 * rtl.h: Remove the prototype for sms_schedule.
4248 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4249 * rtl.h: Remove the prototype for gcse_after_reload_main.
4251 * reg-stack.c (reg_to_stack): Make it static.
4252 * rtl.h: Remove the prototype for reg_to_stack.
4254 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4256 * rtl.h: Remove the prototypes for regrename_optimize and
4257 copyprop_hardreg_forward.
4259 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4261 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4262 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4263 Test against the appropriate null constant for the mode.
4264 If 'fixup_overlap' is true, swap the operands if they overlap.
4265 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4266 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4267 alpha_split_tmode_pair and adjust for above change.
4268 * config/alpha/alpha.md (movtf_internal): Adjust call to
4269 alpha_split_tfmode_pair and rely on it to swap the operands.
4270 (movti_internal): New insn and post-reload splitter.
4271 (movti): New expander.
4273 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4275 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4278 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4280 * rtlanal.c (global_reg_mentioned_p_1,
4281 global_reg_mentioned_p): Remove.
4282 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4284 * flow.c (initialize_uninitialized_subregs): Make it static.
4285 * rtl.h: Remove the prototype for
4286 initialize_uninitialized_subregs.
4288 * function.c (instantiate_virtual_regs): Make it static.
4289 * function.h: Remove the prototype for
4290 instantiate_virtual_regs.
4292 * regmove.c (regmove_optimize, combine_stack_adjustments):
4294 * rtl.h: Remove the prototypes for regmove_optimize and
4295 combine_stack_adjustments.
4297 2006-01-17 Roger Sayle <roger@eyesopen.com>
4299 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4300 (size_cost): Encode costs in bytes so that a reg-reg addition is
4301 equivalent to COSTS_N_INSNS(1).
4302 (override_options): Use the size_cost.branch_cost as the default
4303 ix86_branch_cost when optimizing for size.
4305 2006-01-18 Ben Elliston <bje@au.ibm.com>
4307 * Makefile.in (D32PBIT_FUNCS): New.
4308 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4309 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4310 D64PBIT_FUNCS and D128PBIT_FUNCS.
4311 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4312 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4314 (decnumber_dep): Define.
4315 * doc/libgcc.texi (Decimal float library routines): New node.
4316 * config/dfp-bit.h, config/dfp-bit.c: New files.
4318 2006-01-18 Ben Elliston <bje@au.ibm.com>
4320 * expr.c (emit_move_change_mode): Always adjust addresses, not
4321 just during reload. Copy replacements only during reload.
4322 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4323 emit_move_via_integer.
4325 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4327 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4328 instead of $(srcdir) and ${srcdir}.
4330 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4334 * arm.h (struct machine_function): Add pic_reg.
4335 * arm.c (arm_pic_register): Make unsigned.
4336 (arm_override_options): Only set arm_pic_register if
4337 TARGET_SINGLE_PIC_BASE.
4338 (use_return_insn): Only test for a pic register if it is fixed.
4339 (arm_compute_save_reg0_reg12_mask): Likewise.
4340 (thumb_compute_save_reg_mask): Likewise.
4341 (legitimate_pic_operand): Factor out some known invariants.
4342 (legitimize_pic_address): If we don't have a fixed pic register,
4343 then set up a pseudo in the function entry sequence. Handle the
4344 pic base being in a pseudo.
4345 (arm_load_pic_register): Handle the pic register being in a pseudo.
4346 (arm_expand_prologue): Only set up the pic register if it is fixed.
4347 (thumb_expand_prologue): Likewise.
4348 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4349 (pic_load_addr_based_insn): Likewise.
4350 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4353 2006-01-18 Ben Elliston <bje@au.ibm.com>
4355 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4356 decimal float modes for all floating point registers.
4358 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4359 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4361 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4364 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4365 even when the pointer is not NULL.
4367 2006-01-16 Ian Lance Taylor <ian@airs.com>
4369 * common.opt (ftoplevel-reorder): New option.
4370 * cgraph.c (cgraph_asm_nodes): New global variable.
4371 (cgraph_asm_last_node): New static variable.
4372 (cgraph_order): New global variable.
4373 (cgraph_create_node): Set new order field.
4374 (cgraph_varpool_node): Likewise.
4375 (decide_is_variable_needed): Return true if not
4376 flag_toplevel_reorder.
4377 (cgraph_add_asm_node): New function.
4378 * cgraph.h (struct cgraph_node): Add order field.
4379 (struct cgraph_varpool_node): Add order field.
4380 (struct cgraph_asm_node): Define.
4381 (cgraph_asm_nodes, cgraph_order): Declare.
4382 (cgraph_add_asm_node): Declare.
4383 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4385 (cgraph_varpool_assemble_pending_decls): Call it.
4386 (cgraph_output_pending_asms): New static function.
4387 (cgraph_finalize_compilation_unit): Call it.
4388 (struct cgraph_order_sort): Define.
4389 (cgraph_output_in_order): New static function.
4390 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4391 !flag_toplevel_reorder case.
4392 * c-parser.c: Include "cgraph.h".
4393 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4395 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4396 than -fno-unit-at-a-time.
4397 * doc/invoke.texi (Option Summary): Mention
4398 -fno-toplevel-reorder.
4399 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4400 -funit-at-a-time documentation.
4402 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4403 Kazu Hirata <kazu@codesourcery.com>
4405 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4407 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4409 * Makefile.in (FUNCTION_H): New. Use it instead of
4410 function.h throughout the file.
4411 * function.h: Include tree.h.
4413 2006-01-17 Ben Elliston <bje@au.ibm.com>
4415 * recog.c: Separate some functions with whitespace.
4417 2006-01-16 Richard Henderson <rth@redhat.com>
4419 Merge from gomp branch:
4420 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4421 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4422 and rename from struct inline_data. Rename callee* to dst*;
4423 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4424 transform_new_cfg, transform_return_to_modify, and
4425 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4427 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4428 (copy_decl_for_dup): Remove.
4429 * tree-inline.c (struct inline_data): Move to header.
4430 (insert_decl_map): Export.
4431 (remap_decl): Update for member name changes. Use copy_decl hook.
4432 Allow for replacement to be a non-decl. Remove dead code.
4433 (remap_type_1): Check for existing mapping.
4434 (remap_type): Export.
4435 (remap_decls): Update for member name changes.
4436 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4437 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4438 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4439 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4440 (tree_function_versioning, build_duplicate_type): Likewise.
4441 (copy_body_r): Likewise. Export.
4442 (copy_decl_for_dup): Split into ...
4443 (copy_decl_for_dup_finish, copy_decl_to_var,
4444 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4445 (replace_ref_tree, inlining_p): Remove.
4447 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4449 * ifcvt.c (if_convert): Make it static.
4450 * rtl.h: Remove the prototype for if_convert.
4452 * local-alloc.c (local_alloc): Make it static.
4453 * rtl.h: Remove the prototype for local_alloc.
4455 * loop.c (loop_optimize): Make it static.
4456 * cfgloop.h: Remove the prototype for loop_optimize.
4459 2006-01-16 DJ Delorie <dj@redhat.com>
4461 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4464 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4466 * pa.md: Disparage copies between general and floating-point registers
4467 in 32-bit move patterns.
4469 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4472 * Makefile.in (check-%): Depend on site.exp instead of
4473 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4476 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4478 * global.c (global_alloc): Make it static.
4479 * rtl.h: Remove the prototype for global_alloc.
4481 2006-01-16 Richard Guenther <rguenther@suse.de>
4483 * tree-ssa-alias.c (struct used_part): Add write_only field.
4484 (get_or_create_used_part_for): Initialize it to true.
4485 (create_overlap_variables_for): Don't create structure variables
4486 for structures that only are written to.
4487 (find_used_portions): Handle MODIFY_EXPR to track whether a
4488 structure is only written to.
4490 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4492 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4494 * basic-block.h: Remove the prototype for
4495 partition_hot_cold_basic_blocks.
4497 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4499 * cppspec.c (lang_specific_spec_functions): Remove.
4500 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4501 * gcc.h (lang_specific_spec_functions): Remove.
4502 * gccspec.c (lang_specific_spec_functions): Remove.
4504 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4506 * combine.c (record_value_for_reg): Invalidate registers
4508 (record_dead_and_set_regs_1): Likewise, by passing them to
4509 record_value_for_reg.
4510 (record_dead_and_set_regs): Invalidate stores made by a
4511 call. We do not combine across a call, but we still
4512 relied on equivalences.
4514 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4516 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4517 vrp_int_const_binop returning non-constant nodes.
4519 2006-01-16 Paul Brook <paul@codesourcery.com>
4521 * config/m68k/m68k.c (output_move_const_into_data_reg):
4522 Output correct mnemonic for mvz and mvs.
4524 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4526 * rtl-factoring.c: Add sequence abstraction algorithm.
4527 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4528 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4530 (block_has_preserve_label): New function.
4531 * common.opt: Register new pass.
4532 * Makefile.in: Ditto.
4534 * timevar.def: Ditto.
4535 * tree-pass.h: Ditto.
4536 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4537 * rtl.h (make_jump_insn_raw): Add forward decl.
4538 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4540 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4541 Roger Sayle <roger@eyesopen.com>
4543 * fold-const.c (fold_minmax): New static function.
4544 (fold_binary) <MIN_EXPR>: Call it.
4545 <MAX_EXPR>: Likewise.
4546 * stor-layout.c (place_field): Use DECL_SIZE consistently
4547 in the computation of the new record size.
4549 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4551 * cse.c (cse_condition_code_reg): Make it static.
4552 * rtl.h: Remove the prototype for cse_condition_code_reg.
4554 * combine.c (combine_instructions): Make it static.
4555 * rtl.h: Remove the prototype for combine_instructions.
4557 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4560 * tree.c (get_file_function_name_long): Concatenate the first global
4561 object name with a string derived from the input filename of the object
4564 2006-01-16 Ben Elliston <bje@au.ibm.com>
4566 * config/i386/winnt-stubs.c: Update FSF address.
4567 * config/xtensa/ieee754-df.S: Ditto.
4568 * config/xtensa/ieee754-sf.S: Ditto.
4570 2006-01-14 Ian Lance Taylor <ian@airs.com>
4572 * ifcvt.c (noce_init_if_info): New static function, broken out of
4573 noce_process_if_block.
4574 (noce_process_if_block): Call noce_init_if_info.
4575 (check_cond_move_block): New static function.
4576 (cond_move_process_if_block): New static function.
4577 (process_if_block): Call cond_move_process_if_block.
4579 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4581 * cselib.c (hash_table): Rename to cselib_hash_table.
4582 (cselib_clear_table, discard_useless_values,
4583 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4584 cselib_init, cselib_finish): Adjust uses of hash_table.
4586 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4588 PR tree-optimization/25485
4589 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4590 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4591 is known to be false and true, respectively.
4593 2006-01-14 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/22548
4596 PR tree-optimization/22555
4597 PR tree-optimization/22501
4598 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4599 * params.def (salias-max-array-elements): New parameter.
4600 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4601 * doc/invoke.texi (salias-max-array-elements): Document.
4602 * tree-flow-inline.h (var_can_have_subvars): We also handle
4604 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4606 * tree-ssa-structalias.c (params.h): Include.
4607 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4608 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4609 (get_constraint_for): For ADDR_EXPR operating on something
4610 containing an ARRAY_REF, add all subvars to the solution.
4611 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4612 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4613 for creating MUST_DEFs.
4614 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4616 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4618 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4620 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4621 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4622 number_of_iterations_le): New functions.
4623 (number_of_iterations_special): Removed.
4624 (number_of_iterations_exit): Do not use number_of_iterations_special.
4625 * tree.c (unsigned_type_for): Always return integer type.
4627 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4628 Richard Guenther <rguenther@suse.de>
4630 PR rtl-optimization/24257
4631 * gcse.c (find_moveable_store): Only consider a store movable
4632 when the SET_SRC of the insn can be assigned to a register.
4634 2006-01-14 Ian Lance Taylor <ian@airs.com>
4636 * tree.c (tree_not_class_check_failed): New function.
4637 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4638 (tree_not_class_check_failed): Declare.
4640 2006-01-13 Ian Lance Taylor <ian@airs.com>
4642 * reload1.c (do_output_reload): Add assertion rejecting a
4645 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4647 * combine.c (struct reg_stat): Add new fields truncation_label and
4649 (record_value_for_reg): Reset truncated_to_mode.
4650 (record_truncated_value): New function.
4651 (check_promoted_subreg): Call it. Rename to check_conversions.
4652 (combine_instructions): Rename check_promoted_subreg to
4654 (reg_truncated_to_mode): New function.
4655 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4656 (gen_lowpart_or_truncate): New function.
4657 (force_to_mode): Use it instead of gen_lowpart.
4659 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4661 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4662 VAR is a tag, not its type tag.
4664 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4666 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4667 alternatives to match style of other entries.
4668 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4670 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4672 PR tree-optimization/25771
4673 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4676 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4679 * tree-inline.c (declare_return_variable): If the return variable
4680 was marked as a non gimple complex, set the return slot variable
4681 to be a non gimple comple variable.
4683 2006-01-13 Richard Guenther <rguenther@suse.de>
4685 * builtins.c (expand_builtin_sincos): New function.
4686 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4688 (expand_builtin): Expand sincos using expand_builtin_sincos.
4690 2006-01-12 DJ Delorie <dj@redhat.com>
4692 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4693 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4694 so that constant shifts can be split.
4695 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4696 (m32c_valid_pointer_mode): Make static.
4697 (shift_gen_func_for): New.
4698 (m32c_prepare_shift): Use it. Split large const shifts into
4700 * config/m32c/predicates.md (shiftcount_operand): Allow more
4702 (longshiftcount_operand): New.
4703 * doc/md.texi (Machine Constraints): Document In6.
4705 2006-01-13 Ben Elliston <bje@au.ibm.com>
4707 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4708 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4711 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4713 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4714 to try to avoid clobbering pieces of structures when we know
4715 something about the whole structure.
4716 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4718 2006-01-13 Ben Elliston <bje@au.ibm.com>
4720 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4721 return in memory, as this is no limitation is no longer present.
4723 2006-01-12 DJ Delorie <dj@redhat.com>
4725 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4726 mova with fb, and for fb+0 -> An.
4728 * config/m32c/mov.md (peephole2): Fix enabling logic.
4730 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4731 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4732 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4733 FINI_ARRAY_SECTION_ASM_OP): Define.
4735 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4737 (m32c_legitimize_reload_address): New logic to reload FB to An.
4738 (m32c_output_reg_push): Add newline.
4739 (m32c_output_reg_pop): Likewise.
4741 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4743 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4745 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4747 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4749 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4751 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4754 2006-01-11 Ben Elliston <bje@au.ibm.com>
4756 * rtlanal.c (find_reg_note): Assert insn is not null.
4758 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4760 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4763 2006-01-11 Jeff Law <law@redhat.com>
4765 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4767 (mark_threaded_blocks, register_jump_thread): New functions.
4768 (thread_through_all_blocks): Remove unwanted argument. No
4769 longer rely on e->aux to communicate thread target info.
4770 Call mark_threaded_blocks. Release the threaded_blocks
4771 bitmap and threaded_edges vector when complete.
4772 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4773 (threaded_blocks): Remove.
4774 (tree_ssa_dominator_optimize): Remove initialization and
4775 finalization of threaded_blocks. Simplify call to
4776 thread_through_all_blocks.
4777 (thread_across_edge): Call register_jump_thread rather than
4778 storing thread information into e->aux.
4779 (free_all_edge_infos): Simplify now that e->aux is no longer
4780 used to communicate with thread_through_all_blocks.
4781 * tree-flow.h (thread_through_all_blocks): Update prototype.
4782 (register_jump_thread): Prototype.
4784 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4786 * df-core.c (df_compact_blocks, df_bb_replace): Use
4787 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4789 2006-01-11 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/25734
4792 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4793 stop propagation after successful propagation to the LHS.
4795 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4797 * basic-block.h (control_flow_graph): Change the type of
4798 x_basic_block_info to VEC(basic_block,gc) *.
4799 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4801 (SET_BASIC_BLOCK): New.
4802 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4803 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4804 * cfgbuild.c (find_basic_blocks): Likewise.
4805 * cfglayout.c (fixup_reorder_chain): Likewise.
4806 * cfgrtl.c (create_basic_block_structure,
4807 rtl_create_basic_block): Likewise.
4808 * ifcvt.c (find_if_case_1): Likewise.
4809 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4812 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4814 * Makefile.in: Removed rotted odf.c entry.
4816 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4819 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4820 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4821 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4822 output pattern modifier, not %e.
4823 * config/cris/cris.c (cris_op_str): Update comment about pattern
4825 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4826 before falling through into...
4827 <case 'E'>: Redefined from old 'e' case.
4829 2006-01-11 Jan Hubicka <jh@suse.cz>
4832 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4834 2006-01-11 Jan Hubicka <jh@suse.cz>
4836 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4837 * i386.c (x86_decompose_lea): Kill.
4838 (ix86_rtx_costs): Kill.
4840 2006-01-11 Jan Hubicka <jh@suse.cz>
4842 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4843 * cgraph.h (cgraph_node): Add inline_decl.
4844 (cgraph_insert_node_to_hashtable): Declare.
4845 (save_inline_function_body): Declare.
4846 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4848 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4849 (cgraph_function_versioning): Update call of tree_function_versioning.
4850 (save_inline_function_body): New function.
4851 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4852 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4853 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4854 (cgraph_default_inline_p): Likewise.
4855 (cgraph_decide_inlining_incrementally): Likewise.
4856 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4857 (copy_bb): Kill saving; do updating of clones.
4858 (copy_cfg_body): Kill saving.
4859 (initialize_inlined-parameters): Likewise.
4860 (expand_call_inline): Likewise.
4862 (tree_function_versioning): New parameter "update_clones".
4863 (inlining_p): Kill saving.
4864 * tree-inline.h (tree_function_versioning): Update prototype.
4865 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4868 2006-01-11 Ian Lance Taylor <ian@airs.com>
4870 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4871 Allow undoing set of machine mode.
4872 (do_SUBST): Use enums instead of is_int.
4873 (do_SUBST_MODE): New function.
4874 (SUBST_MODE): New macro.
4875 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4876 reg and trying to replace reg_regno_rtx with a new register.
4877 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4878 (simplify_set): Use SUBST_MODE.
4879 (distribute_notes): Remove code that tried to update reg notes
4880 for regno_reg_rtx changes.
4882 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4884 PR tree-optimization/23109
4885 PR tree-optimization/23948
4886 PR tree-optimization/24123
4888 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4889 * tree-cfg.c (single_noncomplex_succ): New.
4890 * tree-flow.h (single_noncomplex_succ): Declare it.
4891 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4892 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4893 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4894 insert_bb, register_division_in, insert_reciprocals,
4895 replace_reciprocal, free_bb): New.
4896 (execute_cse_reciprocals_1): Rewritten.
4897 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4898 Do not commit any edge insertion. Always compute dominators and
4899 create the allocation pool.
4900 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4901 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4902 * targhooks.c (default_min_divistions_for_recip_mul): New.
4903 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4904 * passes.c (init_optimization_passes): Run recip after tree loop
4906 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4908 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4909 Kenneth Zadeck <zadeck@naturalbridge.com>
4911 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4912 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4913 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4914 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4915 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4916 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4917 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4918 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4919 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4920 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4921 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4922 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4923 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4924 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4925 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4926 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4927 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4928 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4929 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4930 DF_SCAN_POST_ALLOC): New macros.
4931 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4932 df_free_bb_function, df_local_compute_function, df_init_function,
4933 df_dataflow_function, df_confluence_function_0,
4934 df_confluence_function_n, df_transfer_function,
4935 df_finalizer_function, df_free_function, df_dump_problem_function,
4936 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4937 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4938 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4939 df_urec_bb_info, ) New types.
4940 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4942 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4943 df_analyze_simple_change_some_blocks,
4944 df_analyze_simple_change_one_block, df_compact_blocks,
4945 df_bb_replace, df_bb_regno_last_use_find,
4946 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4947 df_insn_regno_def_p, df_find_def, df_find_use,
4948 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4949 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4950 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4951 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4952 debug_df_chain, df_get_dependent_problem, df_chain_create,
4953 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4954 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4955 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4956 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4957 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4958 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4959 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4960 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4961 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4962 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4963 df_reorganize_refs, df_set_state, df_hard_reg_init,
4964 df_read_modify_subreg_p) New public functions.
4965 * df-core.c: The core dataflow solver and glue routines for rtl
4967 (df_init, df_add_problem, df_set_blocks, df_finish,
4968 df_hybrid_search_forward, df_hybrid_search_backward,
4969 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4970 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4971 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4972 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4973 df_reg_defined, df_find_use, df_reg_used, df_dump,
4974 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4975 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4976 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4977 debug_df_useno, reset_df_after_reload): New functions.
4978 * df-scan.c: The scanning fuctions, once in df.c, completely
4979 rewritten so that they now fully model the functionality of
4980 register usage at the backend.
4981 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4982 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4983 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4984 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4985 df_get_artificial_defs, df_get_artificial_uses,
4986 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4987 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4988 df_refs_delete, df_reorganize_refs, df_set_state,
4989 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4990 df_def_record_1, df_defs_record, df_uses_record,
4991 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4992 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4993 df_record_exit_block_uses, df_hard_reg_init): New functions.
4995 * df-problems.c: Seven concrete dataflow problems that use the
4996 scanning in df-scan.c and are solved by the engine in df-core.c.
4997 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4998 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4999 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5000 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5001 df_ru_free_bb_info, df_ru_alloc,
5002 df_ru_bb_local_compute_process_def,
5003 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5004 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5005 df_ru_transfer_function, df_ru_free, df_ru_dump,
5006 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5007 df_rd_free_bb_info, df_rd_alloc,
5008 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5009 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5010 df_rd_transfer_function, df_rd_free, df_rd_dump,
5011 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5012 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5013 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5014 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5015 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5016 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5017 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5018 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5019 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5020 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5021 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5022 df_urec_mark_reg_use_for_earlyclobber,
5023 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5024 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5025 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5026 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5027 df_chain_create_bb_process_use, df_chain_create_bb,
5028 df_chain_finalize, df_chain_free, df_chains_dump,
5029 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5030 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5031 df_reg_lifetime): New functions.
5032 * df.c: Deleted file.
5033 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5034 consistent with new df api.
5035 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5036 rest_of_handle_sms): Ditto.
5037 * web.c (unionfind_union, union_defs, entry_register, web_main):
5039 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5040 invariant_expr_equal_p, find_defs, check_dependencies,
5041 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5042 free_inv_motion_data, move_loop_invariants): Ditto.
5043 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5044 Update dependencies.
5045 (odf.c): Added defective entry that was deleted later in day.
5046 * sched-deps.c (sched_analyze_1): Ditto.
5048 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5050 * tree-ssa-operands.c (get_expr_operands): Record addressable
5051 variables directly. Do not call add_stmt_operands for CONST_DECLs
5053 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5054 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5056 2006-01-11 Ben Elliston <bje@au.ibm.com>
5058 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5059 function returns true in the positive case.
5061 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5064 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5065 for SI, DI, SF and DF modes. Add alternatives to copy between
5066 general and floating point registers to the 32-bit patterns.
5067 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5068 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5069 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5070 generating 64-bit code.
5071 * config/pa/pa.c (output_move_double): Handle copies between general
5072 and floating registers.
5074 2006-01-10 Stuart Hastings <stuart@apple.com>
5076 * config/i386/i386.md (set_got): Update.
5077 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5078 (builtin_setjmp_receiver): Mach-O support.
5079 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5080 (GOT_SYMBOL_NAME): Define.
5081 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5082 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5083 * config/i386/i386.c (override_options): Revise for Darwin.
5084 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5085 support. (darwin_x86_file_end): New. (output_set_got): Add label
5086 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5087 * config/i386/i386-protos.h (output_set_got): Likewise.
5088 * config/darwin.c (machopic_legitimize_pic_address): Update
5091 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5093 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5094 when MODE isn't BLKmode.
5096 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5098 PR rtl-optimization/25367
5099 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5101 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5104 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5105 for a negative bound.
5107 2006-01-10 Richard Guenther <rguenther@suse.de>
5109 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5110 Never override with anything constraint.
5112 2006-01-10 Jan Beulich <jbeulich@novell.com>
5114 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5115 256 bits when optimize_size.
5117 2006-01-10 Jan Beulich <jbeulich@novell.com>
5119 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5121 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5122 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5125 2006-01-10 Ben Elliston <bje@au.ibm.com>
5127 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5129 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5130 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5131 (USE_FP_FOR_ARG): Reject decimal float modes.
5132 (function_arg_advance): Likewise.
5133 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5134 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5135 point types in AltiVec vectors.
5136 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5137 (rs6000_libcall_value): Likewise.
5139 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5141 * config/xtensa/ieee754-df.S: New file.
5142 * config/xtensa/ieee754-sf.S: New file.
5143 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5144 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5145 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5147 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5149 * config/sh/predicates.md (binary_float_operator,
5150 binary_logical_operator, commutative_float_operator,
5151 equality_comparison_operator, greater_comparison_operator,
5152 less_comparison_operator, logical_operator,
5153 noncommutative_float_operator, shift_operator,
5154 symbol_ref_operand, unary_float_operator): Remove redundant
5157 2006-01-09 Jeff Law <law@redhat.com>
5159 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5160 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5161 now unused arguments. Callers updated.
5162 (eliminate_redundant_computations): Remove now unused arguments,
5164 (local_fold): Remove, no longer used.
5165 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5167 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5168 (simplify_cond): New function.
5169 (forward_propagate_into_cond): Call simplify_cond.
5171 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5173 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5174 (*vec_extractv2di_1_sse): New.
5176 2006-01-09 Ben Elliston <bje@au.ibm.com>
5178 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5180 2006-01-08 Richard Guenther <rguenther@suse.de>
5182 * tree-ssa-structalias.c (get_constraint_for): Remove
5184 (get_constraint_for_component_ref): Likewise.
5185 (do_deref): Likewise.
5186 (get_constraint_for): Likewise.
5187 (do_structure_copy): Likewise.
5188 (handle_ptr_arith): Likewise.
5189 (find_func_aliases): Likewise. Remove unused need_anyoffset
5192 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5193 Kaz Kojima <kkojima@gcc.gnu.org>
5195 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5196 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5197 (EXTRA_CONSTRAINT_C16): Remove.
5198 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5199 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5200 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5201 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5202 constants of SHmedia. Handle nested constant expressions of
5204 (andcosts): Fix the costs for SHmedia constants.
5205 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5206 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5207 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5208 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5209 (movv4hi_i, movv2si_i): Likewise.
5210 (movsi_const): Adjust the second operand of ior so to match with
5212 (movdi_const, movdi_const_32bit): Likewise.
5213 (movdi_const_16bit+1): Don't sign-extend LOW.
5214 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5216 (*double_shori): Fix the split condition. Use GEN_INT instead
5217 of get_int_mode calls. Mask lower 16-bit of the argument of
5219 (sym2GOTPLT): Remove.
5220 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5222 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5223 instead of EXTRA_CONSTRAINT_C16.
5225 2006-01-07 Ian Lance Taylor <ian@airs.com>
5226 David Edelsohn <edelsohn@gnu.org>
5228 PR rtl-optimization/25662
5229 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5230 for constant operands instead of simplify_gen_binary.
5231 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5232 after trying simplify_binary_operation
5234 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5236 * tree.c (iterative_hash_expr): Hash decls based on UID.
5238 2006-01-06 Eric Christopher <echristo@apple.com>
5240 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5241 (TARGET_UNWIND_EMIT): Fix spelling.
5242 * target.h (gcc_target): Add except_table_label.
5243 * except.c (output_function_exception_table): Use.
5244 * varasm.c (default_emit_except_table_label): New.
5245 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5247 (asm_out): Add here.
5248 * output.h (default_emit_except_table_label): Prototype.
5249 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5250 * config/darwin.c (darwin_emit_except_table_label): Define.
5251 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5253 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5255 PR tree-optimization/18527
5256 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5257 number_of_iterations_special, number_of_iterations_exit):
5258 Move base and step of an iv to a single structure. Add
5259 no_overflow flag, and use it in # of iterations analysis.
5260 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5261 folded_casts argument.
5262 (simple_iv): Pass base and step in a structure. Set no_overflow
5264 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5265 Evaluate expensiveness of computing # of iterations instead of
5266 the final expression.
5267 * tree-scalar-evolution.h (affine_iv): New structure.
5268 (simple_iv): Declaration changed.
5269 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5270 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5271 find_givs_in_stmt): Changed due to simple_iv change.
5273 2006-01-06 Jeff Law <law@redhat.com>
5276 * tree-cfg.c (bsi_replace): Rename final argument from
5277 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5278 change (stmt -> orig_stmt).
5279 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5280 (bsi_remove): Add new argument. Remove EH information
5282 (verify_eh_throw_table_statements): New function.
5283 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5285 * tree-optimize.c (execute_free_cfg_annotations): Verify
5286 the EH throw statement table after removing annotations.
5287 * except.h (verify_eh_throw_table_statements): Prototype.
5288 * tree-flow.h (bsi_remove): Update prototype.
5289 * tree-vrp.c (remove_range_assertions): Add new argument to
5291 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5292 * tree-complex.c (expand_complex_div_wide): Likewise.
5293 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5294 * tree-tailcall.c (eliminate_tailcall): Likewise.
5295 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5296 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5297 * tree-nrv.c (tree_nrv): Likewise.
5298 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5299 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5300 (combine_blocks): Likewise.
5301 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5302 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5303 (cleanup_control_flow): Likewise.
5304 (remove_forwarder_block): Likewise.
5305 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5306 * tree-sra.c (sra_replace): Likewise.
5307 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5308 (forward_propagate_single_use_vars): Likewise.
5309 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5310 * tree-inline.c (expand_call_inline): Likewise.
5311 * tree-vect-transform.c (vect_transform_loop): Likewise.
5312 * tree-outof-ssa.c (rewrite_trees): Likewise.
5313 * tree-cfg.c (make_goto_expr_edges): Likewise.
5314 (cleanup_dead_labels): Likewise.
5315 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5316 (bsi_move_before, bsi_move_after): Likewise.
5317 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5318 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5320 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5323 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5325 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5326 on non gimple variables. Also add checks at the top for decls and
5328 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5330 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5331 and IMAGPART_EXPR for creating MUST_DEFs.
5332 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5333 and NAME_MEMORY_TAG separately from the DECLs.
5335 2006-01-06 Richard Guenther <rguenther@suse.de>
5337 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5338 annotation, if necessary.
5339 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5340 redundant calls to update_stmt.
5341 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5344 2006-01-05 Richard Henderson <rth@redhat.com>
5346 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5348 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5350 * c-typeck.c: Update copyright date.
5352 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5354 * c-typeck.c (build_c_cast): Always warn when casting
5355 from a pointer to an integer of different size, even if
5356 the node was constant.
5358 2006-01-05 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/22555
5361 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5362 if one structure field is an array.
5363 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5364 operands even if we found a subvar, but ignore VOPs in this
5366 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5368 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5370 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5373 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5375 2006-01-05 Richard Guenther <rguenther@suse.de>
5376 Diego Novillo <dnovillo@redhat.com>
5378 * tree-pass.h (TODO_remove_unused_locals): Define.
5379 * gimple-low.c (expand_var_p, remove_useless_vars,
5380 pass_remove_useless_vars): Remove. Update all users.
5381 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5382 (remove_unused_locals): New function.
5383 * tree-flow.h (remove_unused_locals): Declare.
5384 * passes.c (execute_todo): Call remove_unused_locals if
5385 TODO_remove_unused_locals is set.
5386 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5387 * tree-ssa-dce.c (pass_dce): Likewise.
5388 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5390 2006-01-05 Richard Guenther <rguenther@suse.de>
5392 * tree-flow.h (struct fieldoff): Decompose field to
5393 type, size and decl.
5394 * tree-ssa-alias.c (create_sft): Take type as parameter.
5395 (create_overlap_variables_for): Store type, size and decl
5396 in the fieldoff structure.
5397 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5399 (push_fields_onto_fieldstack): Likewise.
5400 (create_variable_info_for): Likewise. Use offset for the
5401 SFT name if the decl is not available.
5403 2006-01-04 Paul Brook <paul@codesourcery.com>
5405 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5407 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5409 * lambda-code.c (can_put_in_inner_loop): Relax
5411 (can_put_after_inner_loop): New function.
5412 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5413 (perfect_nestify): Change to make copies and modify uses.
5415 2006-01-04 Richard Henderson <rth@redhat.com>
5417 Merge from gomp branch:
5418 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5419 via integer constant.
5420 (pragma_lex): Remove.
5421 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5422 rather than parsing it.
5423 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5424 handle_pragma_extern_prefix): Add %< %> quotes.
5425 (registered_pragmas): New.
5426 (c_register_pragma_1): New.
5427 (c_register_pragma): Use it.
5428 (c_register_pragma_with_expansion): Likewise.
5429 (c_invoke_pragma_handler): New.
5430 (init_pragma): Use cpp_register_deferred_pragma directly for
5432 * c-pragma.h (enum pragma_kind): New.
5433 (pragma_handler): New.
5434 (c_invoke_pragma_handler): Declare.
5435 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5437 * c-common.h (c_common_pch_pragma): Update decl.
5438 * Makefile.in (c-parser.o): Update dependencies.
5439 (GTFILES): Add c-pragma.h.
5440 * c-parser.c (struct c_token): Add pragma_kind.
5441 (struct c_parser): Add in_pragma.
5442 (c_lex_one_token): Always initialize keyword and pragma_kind.
5443 Extract data for CPP_PRAGMA.
5444 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5445 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5446 Don't allow CPP_PRAGMA_EOL if in_pragma.
5447 (c_parser_consume_pragma): New.
5448 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5449 (c_parser_skip_to_end_of_parameter): Likewise.
5450 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5451 (c_parser_skip_to_pragma_eol): New.
5452 (c_parser_external_declaration): Handle CPP_PRAGMA.
5453 (c_parser_compound_statement_nostart): Likewise.
5454 (c_parser_statement_after_labels): Likewise.
5455 (c_parser_pragma): New.
5456 (pragma_lex): Likewise.
5457 (c_parser_pragma_pch_preprocess): New.
5458 (c_parser_new): Merge into ...
5459 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5461 2006-01-04 Jeff Law <law@redhat.com>
5464 * tree-cfg.c (bsi_replace): Remove the original statement
5465 from the EH throw statement table.
5467 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5469 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5470 make the prototype extern "C" and add throw ().
5473 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5474 and pos non-negative and pos + len <= 32.
5475 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5476 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5477 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5480 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5481 as well as sizes not multiple of component size.
5484 * function.c (instantiate_expr): New function.
5485 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5486 walk its DECL_VALUE_EXPR with instantiate_expr.
5488 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5489 DW_OP_deref{,_size} if address isn't going to be added.
5491 2006-01-04 Ben Elliston <bje@au.ibm.com>
5493 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5494 * config/fp-bit.c: Likewise.
5496 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5498 * dominance.c: Add comment about why we use DFS numbering
5501 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5502 Richard Henderson <rth@redhat.com>
5504 Merge from gomp-branch:
5505 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5506 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5508 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5510 PR rtl-optimization/25578
5511 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5512 pass a parameter to simplify_shift_const if changing ASHIFTRT
5515 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5517 * builtins.c (get_builtin_sync_mem): New function.
5518 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5519 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5520 Call get_builtin_sync_mem to generate mem rtx.
5522 2006-01-03 Richard Guenther <rguenther@suse.de>
5525 * stmt.c (add_case_node): Make sure to clear overflow flags
5528 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5530 Merge from gomp-branch.
5531 * config/sparc/sync.md: New file.
5532 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5533 UNSPECV_LDSTUB): New constants.
5534 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5535 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5536 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5539 2006-01-03 Roger Sayle <roger@eyesopen.com>
5541 * combine.c (reg_subword_p): New predicate to test whether the
5542 destination of a set refers to a subword/piece of a register.
5543 (try_combine): Generalize the code to merge the setting of a
5544 pseudo to a constant followed by a set of a subword of that
5545 register to a constant.
5547 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5549 * basic-block.h (control_flow_graph): Change the type of
5550 x_label_to_block_map to VEC(basic_block,gc) *.
5551 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5552 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5554 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5555 VEC(basic_block,heap) *.
5556 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5557 ssa_prop_fini): Adjust the uses of cfg_blocks.
5559 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5561 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5563 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5564 hashing trees instead of a pointer hash.
5565 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5566 compare for MEM_EXPR.
5568 PR rtl-optimization/25130
5569 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5570 when comparing MEMs for GCSE
5572 2006-01-03 Ben Elliston <bje@au.ibm.com>
5574 * targhooks.h (default_decimal_float_supported_p): Declare.
5575 * targhooks.c (default_decimal_float_supported_p): Define.
5576 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5577 `default_decimal_float_supported_p'.
5578 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5580 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5582 * combine.c (apply_distributive_law <SUBREG>): Check
5583 TRULY_NOOP_TRUNCATION.
5585 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5587 * dwarf2out.c (have_switched_text_section): Delete.
5588 (have_multiple_function_sections): New.
5589 (have_location_lists): Make 'bool'.
5590 (add_AT_loc_list): Use 'true' not '1'.
5591 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5592 (output_loc_list): Use have_multiple_function_sections.
5593 (output_ranges): Likewise.
5594 (dwarf2out_begin_function): Set have_multiple_function_sections if
5596 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5597 Check function_section rather than DECL_SECTION_NAME.
5598 (dwarf2out_finish): Use have_multiple_function_sections.
5599 Don't clear have_location_lists.
5601 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5602 Jan Hubicka <jh@suse.cz>
5604 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5605 case of conditional jump jumping to the next instruction.
5606 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5607 cases of conditional jump jumping to the next instruction.
5609 2006-01-02 Jan Hubicka <jh@suse.cz>
5611 * i386.c (*_cost): Add COSTS_N_INSNS.
5612 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5614 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5617 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5619 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5621 * config/arm/arm.c (all_fpus): Fix comment typo.
5622 * config/darwin.c: Likewise.
5623 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5624 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5625 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5627 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5629 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5630 (rs6000_split_compare_and_swapqhi): New.
5631 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5632 (sync_compare_and_swapqhi_internal): New.
5633 * config/rs6000/rs6000-protos.h: Declare.