1 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3 * emit-rtl.c (immed_double_const): Cleanup.
5 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7 Fix PR tree-optimization/26376
8 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14 * gimplify.c (omp_add_variable): Guard variable size decl test with
15 DECL_SIZE (decl) check.
17 2006-02-23 Richard Guenther <rguenther@suse.de>
20 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
23 2006-02-23 Jakub Jelinek <jakub@redhat.com>
25 * configure.ac: Add --with{,out}-long-double-128 configure option.
26 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
29 * doc/install.texi (Options specification): Document
30 --with-long-double-128.
32 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
33 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
34 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
35 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
37 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
39 * config/s390/s390.c (override_options): Handle
40 TARGET_DEFAULT_LONG_DOUBLE_128.
42 * config/alpha/alpha.c (override_options): Handle
43 TARGET_DEFAULT_LONG_DOUBLE_128.
45 * config/sparc/sparc.c (sparc_override_options): Handle
46 TARGET_DEFAULT_LONG_DOUBLE_128.
48 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
50 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
51 (real-install-headers-tar, real-install-headers-cpio)
52 (real-install-headers-cp): New targets.
54 2006-02-22 Richard Sandiford <richard@codesourcery.com>
56 * tree.h (variable_section): Delete.
57 * varasm.c (variable_section): Delete.
59 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
61 * install.texi: Add notes on install.texi2html.
62 (Building in parallel): Do not use footnotes.
64 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
67 * doc/install.texi (Configuration): Document --disable-libgomp.
69 2006-02-21 Geoffrey Keating <geoffk@apple.com>
71 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
73 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
75 * config/i386/sse.md (vec_extractv2df_1_sse): New.
76 (vec_extractv2df_0_sse): New.
78 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
80 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
81 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
82 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
83 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
84 to the result of the expression.
86 (frame_pointer_cfa_offset): Rename to...
87 (frame_pointer_fb_offset): ... this. Adjust all uses.
88 (convert_cfa_to_loc_list): Rename to...
89 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
90 Pass it on to build_cfa_loc.
91 (compute_frame_pointer_to_cfa_displacement): Rename to...
92 (compute_frame_pointer_to_fb_displacement): ... this. New
93 offset parameter. Use it in computation.
94 (gen_subprogram_die): Compute cfa_fb_offset with the new
95 macro, and use it to compute the fb loc list and the
98 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
100 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
101 replaced with register_operand.
102 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
103 non-DREG is expensive.
104 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
105 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
108 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
110 * doc/install.texi2html: Use set -e.
112 2006-02-21 Richard Sandiford <richard@codesourcery.com>
114 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
115 (ASM_OUTPUT_SHARED_LOCAL): Delete.
116 * doc/invoke.texi (-fshared-data): Delete.
117 * common.opt (fshared-data): Delete.
118 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
119 (assemble_static_space): Remove #if 0 code.
120 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
121 (ASM_OUTPUT_SHARED_LOCAL): Poison.
122 * config/cris/cris.h: Remove FIXME.
124 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
126 * doc/sourcebuild.texi (Front End Directory): No more double-colon
129 2006-02-21 Jakub Jelinek <jakub@redhat.com>
132 * combine.c (simplify_shift_const_1): Disable nested shifts
133 optimization for vector shifts.
135 2006-02-20 Roger Sayle <roger@eyesopen.com>
137 PR tree-optimization/26361
138 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
139 of unsigned integer types.
141 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
143 * tree-chrec.c (eq_evolutions_p): New.
144 * tree-chrec.h (eq_evolutions_p): Declared.
145 * tree-data-ref.c: Fix formatting.
146 (datadep_stats, dependence_stats): New.
148 (print_direction_vector): New.
149 (dump_data_dependence_relation): Use print_direction_vector.
150 (object_analysis, create_data_ref): Handle COMPONENT_REF.
151 (compute_subscript_distance): Static.
152 (initialize_data_dependence_relation): Static. Get the number
153 of loops surrounding the references from the callers, and initialize
154 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
155 base_object_differ_p analyzers.
156 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
157 compute_overlap_steps_for_affine_1_2,
158 analyze_subscript_affine_affine): Count the classified dependences.
159 Print a message when a test failed.
160 (can_use_analyze_subscript_affine_affine): New.
161 (analyze_siv_subscript): Compute the data dependences on symbolic
162 scevs that verify can_use_analyze_subscript_affine_affine.
163 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
164 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
165 Handle symbolic scevs.
166 (analyze_overlapping_iterations): Let symbolic affine scevs to be
168 (subscript_dependence_tester): Moved...
169 (build_classic_dist_vector, build_classic_dir_vector): Don't use
170 lambda_vector_clear on newly allocated vectors. Get nb_loops from
171 DDR_SIZE_VECT instead of getting it in parameter.
172 (subscript_dependence_tester): ... here. Take as a parameter
173 loop_nest_depth. Call build_classic_dist_vector and
174 build_classic_dir_vector.
175 (compute_affine_dependence): Update subscript_dependence_tester
176 parameters. Update datadep_stats counters. Call
177 compute_subscript_distance.
178 (compute_self_dependence): Save the dist and dir vectors. Call
179 compute_subscript_distance.
180 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
181 (compute_all_dependences): Reorder parameters as they were before
182 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
183 compute_subscript_distance. Update the use of
184 compute_affine_dependence and initialize_data_dependence_relation.
185 (find_data_references_in_loop): Handle COMPONENT_REF.
186 (compute_data_dependences_for_loop): Initialize dependence_stats.
187 Don't call build_classic_dist_vector and build_classic_dir_vector.
188 Update the parameters of initialize_data_dependence_relation and
189 compute_all_dependences. Print the statistics from datadep_stats.
190 (analyze_all_data_dependences): Static. Not used until the pass for
191 checking the data dependences is contributed.
192 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
193 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
194 (initialize_data_dependence_relation, compute_affine_dependence,
195 analyze_all_data_dependences, compute_subscript_distance): Removed.
196 (print_direction_vector): New.
197 * lambda.h (gcd): ... here.
198 (lambda_vector_gcd): Moved here from gcd_vector.
199 * lambda-code.c (gcd, gcd_vector): Removed.
200 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
201 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
203 2006-02-20 Diego Novillo <dnovillo@redhat.com>
205 * ipa-type-escape.c: Tidy some comments and white space.
206 * tree-ssa-operands.c: Likewise.
208 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
211 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
212 (dump_decl_name): Do not walk the decl tree chains.
213 * tree-pass.h (TDF_CHAIN): Remove.
215 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
217 * Makefile.in (C): Remove
219 (.PHONY): Remove C and PROTO
221 2006-02-20 Roger Sayle <roger@eyesopen.com>
224 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
225 deprecated CHAR_TYPE tree code.
227 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
229 * configure.ac (target_list): Add install-info, dvi, html.
230 * configure: Regenerate.
232 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
233 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
234 treelang/Make-lang.in: Do not use double-colon rules.
236 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
238 * tree.h (struct tree_memory_tag): Add is_used_alone member.
239 (TMT_USED_ALONE): New macro.
240 * tree-pass.h (PROP_tmt_usage): New property.
241 (TODO_update_tmt_usage): New todo.
242 * tree-ssa-alias.c (updating_used_alone): New variable.
243 (recalculate_used_alone): New function.
244 (compute_may_aliases): Set updating_used_alone, call
245 recalculate_used_alone.
246 * tree-sra.c (pass_sra): Note that this pass destroys
247 PROP_tmt_usage, and add TODO_update_tmt_usage.
248 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
249 * tree-flow.h (updating_used_alone): Prototype.
250 (recalculate_used_alone): Ditto.
251 * passes.c (execute_todo): Add code to set updating_used_alone,
252 and call recalculate.
253 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
254 for clobber if used alone, and add assert to verify used_alone
257 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
259 * config/s390/s390.c (legitimize_pic_address): Assertions checking
260 for non tls symbols added.
261 (legitimize_address): Do nothing for PLUS expressions if one of the
262 addends is a tls symbol reference.
264 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
268 * Makefile.in (LDFLAGS): Define from autoconf substitution.
270 * Makefile.in (BOOTSTRAPPING): New.
271 (quickstrap): New definition if BOOTSTRAPPING=yes.
273 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
274 * configure.ac: Substitute all_selected_languages with the languages
275 that were configured. For all the other variables except
276 lang_specs_files, include all the languages in the tree.
277 * configure: Regenerate.
279 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
280 if there is one. Run the commands to run fixincludes in the same
283 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
284 * doc/install.texi: Document exact conventions for searching target tools.
285 Document --with-build-time-tools. Document toplevel bootstrap. Document
286 something more about building an Ada cross-compiler. Don't list GNU Make
287 requirements which affect all platforms.
289 2006-02-19 Roger Sayle <roger@eyesopen.com>
292 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
293 only equivalent if the have both the same mode and precision.
295 2006-02-20 Ben Elliston <bje@au.ibm.com>
297 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
299 2006-02-19 Roger Sayle <roger@eyesopen.com>
300 Steven Bosscher <stevenb.gcc@gmail.com>
302 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
303 constant pool references to identify stack mode constants.
304 * rtlanal.c (constant_pool_constant_p): New predicate to check
305 whether operand is a floating point constant in the pool.
306 * rtl.h (constant_pool_constant_p): Prototype here.
307 * loop.c (scan_loop): Avoid hoisting constants from the constant
308 pool on STACK_REGS targets.
309 (load_mems): Likewise.
310 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
311 loads into x87 registers expensive in terms of register pressure.
313 2006-02-19 Roger Sayle <roger@eyesopen.com>
315 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
316 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
318 2006-02-19 David Edelsohn <edelsohn@gnu.org>
320 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
321 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
323 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
325 * doc/invoke.texi: Document -fipa-pta.
326 * common.opt: Add ipa-pta option.
327 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
328 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
329 (do_ds_constraint): Ditto.
330 (get_constraint_for): Only add to referenced_vars if
331 referenced_vars exists.
332 (insert_into_field_list): Rewrite to do this unsorted.
333 (insert_into_field_list_sorted): Rename old insert_into_field_list
335 (create_function_info_for): Use insert_into_field_list_sorted.
336 (create_variable_info_for): Rewrite so it uses unsorted version,
337 since the field list is sorted.
338 (intra_create_variable_infos): Only add to referenced_vars if
339 referenced_vars exists.
340 (ipa_pta_execute): Init heapvars, and delete when done.
341 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
343 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
345 * doc/install.texi: Add missing `@samp'.
347 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
349 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
352 2006-02-18 Mark Wielaard <mark@klomp.org>
354 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
355 who added new 4.1 features, bug fixes and integration support.
357 2006-02-18 David Edelsohn <edelsohn@gnu.org>
360 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
363 2006-02-18 Richard Sandiford <richard@codesourcery.com>
365 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
366 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
367 (copy_insn_1): Likewise. Don't copy each field individually.
369 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
371 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
372 * rtl.c (rtx_size): Rename variable to...
373 (rtx_code_size): ...this.
374 (rtx_size): New function.
375 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
376 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
378 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
379 * rtl.h (rtx_code_size): New variable.
380 (rtx_size): Change from a variable to a function.
381 (RTX_SIZE): Rename to...
382 (RTX_CODE_SIZE): ...this.
385 PR tree-optimization/17106
386 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
387 (Anchored Addresses): New section.
388 * doc/invoke.texi (-fsection-anchors): Document.
389 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
390 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
391 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
392 * hooks.c (hook_bool_mode_rtx_false): New function.
393 * hooks.h (hook_bool_mode_rtx_false): Declare.
394 * gengtype.c (create_optional_field): New function.
395 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
396 SYMBOL_REF_IN_BLOCK_P is true.
397 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
398 (min_anchor_offset, max_anchor_offset): Likewise.
399 (use_anchors_for_symbol_p): New hook.
400 * toplev.c (compile_file): Call output_object_blocks.
401 (target_supports_section_anchors_p): New function.
402 (process_options): Check that -fsection-anchors is only used on
403 targets that support it and when -funit-at-a-time is in effect.
404 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
405 if the decl doesn't have one.
406 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
407 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
408 of force_const_mem through use_anchored_address.
409 (expand_expr_constant): New function.
410 (expand_expr_addr_expr_1): Call it. Use the same modifier when
411 calling expand_expr for INDIRECT_REF.
412 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
413 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
414 * expr.h (use_anchored_address): Declare.
415 * loop-unroll.c: Don't declare rtx vectors here.
416 * explow.c: Include output.h.
417 (validize_mem): Call use_anchored_address.
418 (use_anchored_address): New function.
419 * common.opt (-fsection-anchors): New switch.
420 * varasm.c (object_block_htab, anchor_labelno): New variables.
421 (hash_section, object_block_entry_eq, object_block_entry_hash)
422 (use_object_blocks_p, get_block_for_section, create_block_symbol)
423 (use_blocks_for_decl_p, change_symbol_section): New functions.
424 (get_variable_section): New function, split out from assemble_variable.
425 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
426 use_blocks_for_decl_p say so. Use change_symbol_section if the
427 symbol has already been created.
428 (assemble_variable_contents): New function, split out from...
429 (assemble_variable): ...here. Don't output any code for
430 block symbols; just pass them to place_block_symbol.
431 Use get_variable_section and assemble_variable_contents.
432 (get_constant_alignment, get_constant_section, get_constant_size): New
433 functions, split from output_constant_def_contents.
434 (build_constant_desc): Create a block symbol if use_object_blocks_p
435 says so. Or into SYMBOL_REF_FLAGS.
436 (assemble_constant_contents): New function, split from...
437 (output_constant_def_contents): ...here. Don't output any code
438 for block symbols; just pass them to place_section_symbol.
439 Use get_constant_section and get_constant_alignment.
440 (force_const_mem): Create a block symbol if use_object_blocks_p and
441 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
442 (output_constant_pool_1): Add an explicit alignment argument.
443 Don't switch sections here.
444 (output_constant_pool): Adjust call to output_constant_pool_1.
445 Switch sections here instead. Don't output anything for block symbols;
446 just pass them to place_block_symbol.
447 (init_varasm_once): Initialize object_block_htab.
448 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
449 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
450 (place_block_symbol, get_section_anchor, output_object_block)
451 (output_object_block_htab, output_object_blocks): New functions.
452 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
453 (TARGET_ASM_OUT): Include it.
454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
455 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
456 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
457 (TARGET_INITIALIZER): Include them.
458 * rtl.c (rtl_check_failed_block_symbol): New function.
459 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
460 (block_symbol, object_block): New structures.
461 (rtx_def): Add a block_symbol field to the union.
462 (BLOCK_SYMBOL_CHECK): New macro.
463 (rtl_check_failed_block_symbol): Declare.
464 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
465 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
466 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
467 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
468 * output.h (output_section_symbols): Declare.
469 (object_block): Name structure.
470 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
471 (default_use_anchors_for_symbol_p): Declare.
472 * Makefile.in (RTL_BASE_H): Add vec.h.
473 (explow.o): Depend on output.h.
474 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
475 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
476 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
477 (rs6000_use_blocks_for_constant_p): New function.
479 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
481 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
483 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
486 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
489 2006-02-18 Diego Novillo <dnovillo@redhat.com>
491 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
495 2006-02-18 Jakub Jelinek <jakub@redhat.com>
498 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
499 instead of DECL_REGISTER.
501 2006-02-18 Olivier Hainque <hainque@adacore.com>
504 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
506 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
509 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
510 * opth-gen.awk: Handle Var and InverseMask together.
511 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
512 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
513 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
514 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
516 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
517 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
518 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
519 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
520 LINUX_DYNAMIC_LINKER): Define.
521 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
522 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
524 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
525 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
526 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
528 (TARGET_C99_FUNCTIONS): Don't define.
529 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
530 GLIBC_DYNAMIC_LINKER.
531 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
532 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
533 GLIBC_DYNAMIC_LINKER64): Define.
534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
535 LINUX_DYNAMIC_LINKER64.
536 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
538 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
540 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
541 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
542 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
543 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
544 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
546 and LINUX_DYNAMIC_LINKER32.
547 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
549 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
551 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
553 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
554 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
555 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
556 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
557 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
558 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
559 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
560 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
561 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
562 LINUX_DYNAMIC_LINKER): Define.
563 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
564 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
565 GLIBC_DYNAMIC_LINKER64): Define.
566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
567 LINUX_DYNAMIC_LINKER64.
568 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
569 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
570 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
571 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
572 LINUX_DYNAMIC_LINKER): Define.
573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
574 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
575 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
576 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
577 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
578 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
579 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
580 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
581 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
582 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
584 * doc/invoke.texi (-muclibc): Remove caveat about supported
587 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
589 * doc/cpp.texi (__TIMESTAMP__): Document.
591 2006-02-17 Roger Sayle <roger@eyesopen.com>
594 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
595 C is one less than the width of X (and related transformations).
596 * simplify_rtx.c (simplify_unary_operation_1): Transform
597 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
598 depending on STORE_FLAG_VALUE, were C is one less then the
601 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
603 Fix PR tree-optimization/26341
604 * tree-ssa-operands.c (add_virtual_operand): Remove assert
605 about NAME_MEMORY_TAG's.
607 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
610 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
611 with hardware float support, and software float support. Add fcpy
612 alternative to hardware patterns. Add alternatives to copy between
613 general and floating-point registers to the 32-bit pattern.
614 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
615 secondary reload to load a QI or HI mode constant into a floating
617 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
618 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
620 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
623 * config/rs6000/darwin.md (load_macho_picbase_si): Add
625 (load_macho_picbase_di): Likewise.
627 2006-02-16 Jeff Law <law@redhat.com>
629 * tree-vrp.c (set_value_range_to_nonnegative): New function.
630 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
631 (ssa_name_nonzero_p): Likewise.
632 (get_value_range): Return NULL if VRP is not running.
633 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
634 VRP routines do not discover a range.
635 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
636 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
637 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
638 (tree_expr_nonnegative_p): Similarly.
639 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
640 (restore_nonzero_vars_to_original_value): Remove.
641 (unsafe_associative_fp_binop): Remove.
642 (tree_ssa_dominator_optimize): Remove initialization and
643 finalization of nonzero_vars and nonzero_vars_stack.
644 (dom_opt_initialize_block): No longer push marker on
646 (dom_opt_finalize_block): No longer call
647 restore_nonzero_vars_to_original_value.
648 (record_equivalences_from_phis): No longer look for
649 nonzero PHI arguments.
650 (cprop_into_successor_phis): No longer propagate nonzero
651 property into PHI arguments. Lose unused argument. Caller
653 (record_equivalences_from_stmt): No longer record nonzero
654 values for SSA_NAMEs.
655 (lookup_avail_expr): No longer use nonzero_vars.
657 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
658 for sizetype when sizetype is unsigned.
660 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
662 PR rtl-optimization/25603
663 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
664 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
665 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
666 with new meaning of SETS.
668 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
673 * config/linux.opt: New file.
674 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
675 LINUX_DYNAMIC_LINKER): Define.
676 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
677 * config.gcc (*-*-linux*): Define extra_options.
678 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
679 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
680 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
681 GLIBC_DYNAMIC_LINKER.
682 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
683 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
684 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
686 * doc/invoke.texi (GNU/Linux Options): New section.
688 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
690 * config/sparc/sparc.md (setjmp): Rewrite.
692 (setjmp_64): Likewise.
694 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
696 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
699 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
701 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
704 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
706 PR rtl-optimization/26296
707 * Makefile.in (loop-invariant.c): Add except.h dependency.
708 * loop-invariant.c: Include except.h.
709 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
711 2005-02-16 Paul Brook <paul@codesourcery.com>
713 * reload1.c (emit_reload_insns): Invalidate dead input registers used
716 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
718 PR rtl-optimization/25636
719 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
720 when deciding whether an insn is an initializing insn.
722 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
724 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
725 (tree_code_size): Ditto.
726 * tree.h (struct tree_memory_tag): Remove parent_var.
727 (struct tree_struct_field_tag): New.
730 (union tree_node): Add sft member.
731 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
733 (create_sft): Add size and offset argument, set SFT_OFFSET and
735 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
736 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
737 * tree-flow-inline.h (get_subvar_at): Update for
739 (var_can_have_subvars): Ditto.
740 (overlap_subvar): Ditto.
741 * print-tree.c (print_node): Print out interesting things for
743 * tree-flow.h (struct subvar): Remove offset and size members.
744 * tree-ssa-operands.c (get_expr_operands): Update for
745 get_indirect_ref_operands changes.
746 (get_indirect_ref_operands): Call add_virtual_operand instead of
747 add_stmt_operand. Only recurse on base var if requested.
748 (access_can_touch_variable): New function.
749 (add_stmt_operand): Split virtual operand handling into ...
750 (add_virtual_operand): Here. Add offset, size, and for_clobber
751 arguments. Prune alias sets.
752 (add_call_clobber_ops): Call add_virtual_operand.
754 2006-02-15 Jakub Jelinek <jakub@redhat.com>
757 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
759 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
760 than TREE_CODE as index into omp_clause_num_ops array.
762 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
764 PR rtl-optimization/26184
765 * modulo-sched.c (generate_reg_moves): Free bitmap vector
767 * modulo-sched.c (sms_schedule): Free g_arr pointer.
768 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
769 must_precede, must_follow and tobe_scheduled.
772 * opts.c (common_handle_option): Free new_option pointer.
773 * df-core.c (df_analyze): Free postorder pointer.
775 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
777 * Makefile.in: Fix the examples about the use of stamps
779 2006-02-15 Michael Matz <matz@suse.de>
783 * stor-layout.c (layout_decl): Zero-width bitfields aren't
784 influenced by maximum_field_alignment or DECL_PACKED.
785 (update_alignment_for_field): Ditto.
786 (place_field): Ditto.
787 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
790 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
792 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
793 (debug_flow_info): Pass it.
794 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
795 * bb-reorder.c (reorder_basic_blocks): Likewise.
796 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
797 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
798 * flow.c (life_analysis, recompute_reg_usage): Likewise.
799 * gcse.c (gcse_main, bypass_jumps): Likewise.
800 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
801 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
802 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
803 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
804 * rtl.h (dump_flow_info): Adjust prototype.
805 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
806 * var-tracking.c (variable_tracking_main): Likewise.
807 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
808 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
811 2006-02-15 Marcin Dalecki <martin@dalecki.de>
813 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
816 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
818 PR tree-optimization/26209
819 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
820 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
822 * tree-cfg.c (replace_uses_by): Do not alter cfg.
824 2006-02-14 Roger Sayle <roger@eyesopen.com>
827 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
828 (X,Y) and the corresponding symmetry related transformations.
829 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
830 (X,Y) and its symmetry related transformations.
832 2006-02-14 Roger Sayle <roger@eyesopen.com>
834 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
837 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
839 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
841 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
844 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
845 support COMDAT group.
846 * configure: Regenerate.
848 2006-02-14 Roger Sayle <roger@eyesopen.com>
853 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
855 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
857 Fix PR tree-optimization/26260
859 * doc/invoke.texi (max-fields-for-field-sensitive): Document
861 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
862 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
863 * tree-ssa-structalias.c (create_variable_info_for): Use
864 MAX_FIELDS_FOR_FIELD_SENSITIVE.
866 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
868 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
870 * tree-ssa-loop-niter.c (number_of_iterations_ne,
871 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
872 of the ending condition.
873 * tree-ssa-loop-manip.c: Include params.h.
874 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
875 tree_unroll_loop): New functions.
876 * tree-pass.h (pass_loop_prefetch): Declare.
877 * loop.c (rest_of_handle_loop_optimize): Test for
878 -fprefetch-loop-arrays-rtl.
879 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
880 * timevar.def (TV_TREE_PREFETCH): New timevar.
881 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
882 pass_loop_prefetch): New.
883 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
884 (cleanup_tree_cfg_loop): Call scev_reset.
885 * common.opt (fprefetch-loop-arrays-rtl): Add.
886 * tree-ssa-loop-prefetch.c: New file.
887 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
888 (new_temp_expr_table): Initialize expr_vars.
889 (free_temp_expr_table): Cleanup expr_vars.
890 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
891 expressions from being merged into one.
892 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
893 (struct tree_niter_desc): Add control, bound and cmp fields.
894 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
896 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
897 (tree-cfgcleanup.o): Add SCEV_H dependency.
898 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
899 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
901 2006-02-14 Richard Guenther <rguenther@suse.de>
903 PR tree-optimization/26258
904 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
905 in PHI argument processing.
907 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
909 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
910 new expression in the requested machine mode.
912 2006-02-13 Roger Sayle <roger@eyesopen.com>
914 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
915 directly, instead let do_compare_rtx_and_jump handle this for us.
916 * expr.c (expand_expr_real_1): Likewise.
917 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
918 before do_jump_by_parts_greater.
919 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
920 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
922 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
924 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
926 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
928 PR rtl-optimization/26235
929 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
930 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
933 2006-02-13 Jeff Law <law@redhat.com>
935 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
938 2006-02-13 Jakub Jelinek <jakub@redhat.com>
941 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
942 twice if decl is a builtin. When trying again, call get_callee_fndecl
943 first to verify it is still a builtin.
945 2006-02-13 Geoffrey Keating <geoffk@apple.com>
947 * dwarf2out.c (base_type_die): Don't add AT_name here.
948 (subrange_type_die): Don't add AT_name here.
949 (modified_type_die): Rearrange code flow. Do add AT_name here.
951 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
953 PR rtl-optimization/26247
954 PR rtl-optimization/26248
955 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
957 2006-02-13 Richard Sandiford <richard@codesourcery.com>
959 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
960 * config/fixtfdi.c: Likewise.
961 * config/fixunstfdi.c: Likewise.
962 * config/floatditf.c: Likewise.
964 2006-02-13 Roger Sayle <roger@eyesopen.com>
967 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
968 into (X,C2) if C1 is a subset of the bits of C2. Transform
969 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
971 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
973 2006-02-13 Josh Conner <jconner@apple.com>
976 * varasm.c (function_section): Check for section name before
977 calling select_section on targets that define
978 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
979 unlikely_text_section instead of hot_function_section if
980 first_function_block_is_cold.
982 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
985 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
987 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
989 PR rtl-optimization/26222
990 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
991 after tree->rtl expansion.
992 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
993 before passing it to emit_move_insn.
995 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
997 * doc/invoke.texi (-Write-strings): Document that it is enabled by
999 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1000 Clarify documentation.
1001 * c-common.h (warn_write_strings): Remove.
1002 * c-common.c (warn_write_strings): Likewise.
1003 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1006 2006-02-12 Roger Sayle <roger@eyesopen.com>
1009 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1010 (do_jump_parts_zero_rtx): New function renamed from
1011 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1012 (do_jump_parts_equality_rtx): New function split out from
1013 do_jump_parts_equality. Old implementation renamed as above.
1014 Call do_jump_parts_zero_rtx if either operand is zero.
1015 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1016 do all of the heavy lifting.
1017 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1018 calling either do_jump_by_parts_greater_rtx or
1019 do_jump_by_parts_equality_rtx.
1020 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1021 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1022 moved to do_compare_rtx_and_jump, call it directly.
1023 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1024 mode argument. Call do_compare_rtx_and_jump.
1025 (emit_case_nodes): Update calls to do_jump_if_equal.
1027 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1029 PR rtl-optimization/26225
1030 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1032 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1034 PR rtl-optimization/26232
1035 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1037 2006-02-11 Jason Merrill <jason@redhat.com>
1040 * tree-inline.c (declare_return_variable): Just don't use the
1041 modify target if it's a gimple complex reg and the return slot
1044 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * doc/contrib.texi: Update my entry.
1048 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1050 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1052 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1054 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1057 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1059 * doc/invoke.texi (-floop-optimize2): Removed.
1060 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1061 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1062 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1063 * common.opt (floop-optimize2): Removed.
1064 (fmove-loop-invariants): Enabled by default.
1066 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1068 * tree-if-conv.c (combine_blocks): Free the result of
1069 get_loop_exit_edges.
1071 2006-02-10 Jeff Law <law@redhat.com>
1073 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1075 PR tree-optimization/26213
1076 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1077 loop trying to follow SSA_NAME_VALUE chains.
1079 2006-02-10 Richard Guenther <rguenther@suse.de>
1081 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1082 deal with structures that end in implicitly variable sized arrays.
1084 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1086 PR rtl-optimization/24762
1087 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1090 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1092 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1093 (struct ivopts_data): Add regs_used field.
1094 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1095 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1096 instead of loop_data->regs_used;
1097 (free_loop_data): Do not free aux fields for loops.
1098 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1099 and tree_ssa_iv_optimize_finalize.
1101 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1103 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1105 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1108 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1109 computing the effective result type.
1111 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1114 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1115 (tree_overlaps_hard_reg_set): Declare.
1116 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1117 type and signature to match function type expected by walk_tree.
1118 (tree_overlaps_hard_reg_set): New function.
1119 (decl_conflicts_with_clobbers_p): Rename to:
1120 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1121 Use tree_overlaps_hard_reg_set. Changed caller.
1122 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1123 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1124 * cris.c (cris_md_asm_clobbers): Likewise.
1126 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1128 * reload1.c (emit_input_reload_insns): Delete code that tries to
1129 inherit using find_equiv_reg.
1131 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1133 * c-common.h (flag_const_strings): Don't declare.
1134 * c-common.c (flag_const_strings): Remove.
1135 * c.opt (fconst_strings): Remove.
1136 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1137 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1138 (c_common_init_options): Don't set flag_const_strings.
1139 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1141 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1143 * arm.md (tlobits_cbranch): New pattern.
1144 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1145 testing a single bit.
1147 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1150 * tree-ssa-pre.c (create_component_ref_by_pieces):
1151 Handle RETURN_DECL like VAR_DECL.
1153 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1156 * fold-const.c (fold_indirect_ref_1): Fold
1157 "*(foo *)&complexfoo" to "__real__ complexfoo"
1158 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1160 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1162 * tree-flow-inline.h (var_can_have_subvars):
1163 Volatile variables should not have subvariables.
1165 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1168 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1169 multiplying unsigned values.
1172 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1174 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1176 2006-02-08 Jason Merrill <jason@redhat.com>
1179 * tree.def: Elaborate on difference from MODIFY_EXPR.
1180 * doc/c-tree.texi (INIT_EXPR): Likewise.
1181 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1182 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1183 (gimplify_target_expr): Likewise.
1184 (gimplify_cond_expr): Remove target handling.
1185 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1186 (gimplify_expr): Clobber it here.
1187 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1188 Do return slot optimization if we have an INIT_EXPR.
1191 * tree-inline.c (declare_return_variable): Also clear
1192 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1195 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1198 * gimplify.c (gimplify_one_sizepos): Fix typo.
1200 2006-02-08 Jeff Law <law@redhat.com>
1202 PR tree-optimization/21417
1203 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1204 across a backedge if the control statement at the end of the
1205 block is data dependent on other statements in the same block.
1206 (record_temporary_equivalences_from_stmts): Remove over-conservative
1207 test for threading across backedges.
1209 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1210 control statement, handle all three special cases in the same
1211 manner as they all have the same desired solution. No longer
1212 special case edge flag updating when the post dominator is
1215 2006-02-08 Roger Sayle <roger@eyesopen.com>
1217 * tree.def (CHAR_TYPE): Remove.
1218 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1219 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1220 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1221 (gen_string_type_die): Delete unreachable function.
1223 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1224 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1225 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1226 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1227 * builtins.c (type_to_class): Likewise.
1228 * fold-const.c (fold_convert, build_range_check,
1229 merge_ranges): Likewise.
1230 * expr.c (count_type_elements): Likewise.
1231 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1232 * stor-layout.c (layout_type): Likewise.
1233 * ipa-type-escape.c (type_to_consider): Likewise.
1234 * gimplify.c (omp_firstprivatize_type_sizes,
1235 gimplify_type_sizes): Likewise.
1236 * explow.c (promote_mode): Likewise.
1237 * tree-sra.c (is_sra_scalar_type): Likewise.
1238 * varasm.c (output_constant): Likewise.
1239 * tree-inline.c (remap_type_1): Likewise.
1240 * convert.c (convert_to_pointer, convert_to_real,
1241 convert_to_integer, convert_to_complex): Likewise.
1243 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1245 * df-scan.c (df_def_record_1): A set destination may
1246 be a parallel regardless of mode.
1248 2006-02-08 Roger Sayle <roger@eyesopen.com>
1251 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1252 * config/mips/_tilib.c: Remove.
1253 * config/fixtfdi.c: New libgcc source file.
1254 * config/fixunstfdi.c: New source file.
1255 * config/floatditf.c: New source file.
1256 * config/floatunditf.c: New souce file.
1257 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1258 files above instead of config/mips/_tilib.c.
1259 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1261 2006-02-08 Jeff Law <law@redhat.com>
1263 PR tree-optimization/26169
1264 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1267 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1269 * df.h (DF_REG_SIZE): Return the length of the initialized
1272 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1274 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1275 __muldf3): Return a correctly signed zero.
1277 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1279 * passes.c (register_one_dump_file): Accept the current properties
1280 instead of pass number. Adjust call to dump_register. Remove
1282 (register_dump_files): Now a wrapper around...
1283 (register_dump_files_1): ... this one. Do not modify the pass
1285 (next_pass_1): Cosmetic fix.
1286 (execute_todo): Keep second parameter only. Use curr_properties
1287 instead of fetching it from the pass structure. Check and set
1289 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1290 instead of fetching it from the pass structure. Fix calls to
1291 execute_todo. Update curr_properties and initialize .vcg RTL dump
1292 after running the pass. Reset last_verified.
1293 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1295 (FIRST_AUTO_NUMBERED_DUMP): New.
1296 (dump_register): Remove "num" parameter, assign it within the
1298 (get_dump_file_name): Modify template for dumps.
1299 * tree-dump.h (dump_register): Adjust prototype.
1300 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1301 (PROP_trees): Add PROP_gimple_lomp.
1302 (TODO_set_props): New.
1303 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1304 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1305 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1307 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1309 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1310 (sparc64-*-linux*): Likewise.
1311 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1312 * config/sparc/t-linux: New file.
1313 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1314 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1315 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1316 -m32 -mlong-double-128.
1318 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1319 * config/alpha/t-linux: New file.
1320 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1322 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1323 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1324 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1325 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1326 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1327 (CPP_ARCH32_SPEC): Remove.
1329 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1331 PR tree-optimization/26145
1332 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1335 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1338 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1339 >= 240000 when generating code for SOM runtime.
1340 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1341 to $$dyncall when generating code for SOM runtime..
1343 2006-02-07 Dirk Mueller <dmueller@suse.com>
1346 * doc/invoke.texi (-Wsequence-point): Update documentation
1347 that -Wsequence-point is implemented for C++ as well.
1349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1351 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1352 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1353 (LIB_SPEC): Likewise.
1354 * doc/invoke.texi (SPARC options): Document -pthread.
1356 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1358 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1361 2006-02-07 Roger Sayle <roger@eyesopen.com>
1363 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1364 Correct comment describing BOOLEAN_TYPE.
1366 2006-02-07 Dirk Mueller <dmueller@suse.com>
1368 * c.opt: C++ frontend supports -Wdiv-by-zero.
1369 * c-opts.c (c_common_handle_option): Remove dead case.
1371 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1373 * configure.ac (TLS assembler check): Do not enable TLS by
1374 default on SPARC/Solaris before version 10.
1375 * configure: Regenerate.
1377 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1379 * doc/invoke.texi (xl-compat): Document conversion and support
1382 2006-02-07 Jeff Law <law@redhat.com>
1384 * tree-vrp.c (find_conditional_asserts): Update comments.
1385 (simplify_stmt_for_jump_threading): New.
1386 (identify_jump_threads, finalize_jump_threads): New.
1387 (vrp_finalize): Call identify_jump_threads.
1388 (execute_vrp): Call finalize_jump_threads.
1389 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1390 (vrp_element, vrp_data, vrp_element_p): Remove.
1391 (vrp_hash_elt, vrp_variables_stack): Remove.
1392 (vrp_hash, vrp_eq, record_range): Remove.
1393 (simplify_cond_and_lookup_avail_expr): Remove.
1394 (extract_range_from_cond): Remove.
1395 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1396 (simplify_stmt_for_jump_threading): New.
1397 (dom_thread_across_edge): New wrapper.
1398 (tree_ssa_dominator_optimize): No longer initialize or
1399 finalize any of the VRP datastructures. Remove iteration
1400 step and simplify as a result of removal of iteration step.
1401 (pass_dominator): Perform a cfg cleanup after DOM.
1402 (dom_opt_finalize_block): Use the new common routines
1403 for threading jumps. Simplify stack management slightly.
1404 No longer need to unwind VRP state.
1405 (record_equivalences_from_incoming_edge): No longer record
1407 (eliminate_redundant_computations): No longer call
1408 simplify_cond_and_lookup_avail_expr.
1409 * tree-flow.h (potentially_threadable_block): Prototype.
1410 (thread_across_edge): Likewise.
1411 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1412 (tree-ssa-threadedge.o): Add dependencies.
1413 * tree-ssa-threadedge.c: New file.
1414 * passes.c (init_optimization_passes): Merge PHIs before
1415 calling VRP. Run VRP again late in the SSA optimization pipeline.
1417 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1419 * df-core.c (df_set_blocks): Do not dereference function pointers.
1420 (df_finish1): Likewise.
1421 (df_hybrid_search_forward): Likewise.
1422 (df_hybrid_search_backward): Likewise.
1423 (df_iterative_dataflow): Likewise.
1424 (df_analyze_problem): Likewise.
1425 (df_compact_blocks): Likewise.
1426 (df_dump): Likewise.
1427 * df-scan.c (df_rescan_blocks): Likewise.
1428 (df_record_entry_block_defs): Likewise.
1430 * genconditions.c (write_conditions): Guard the definition of
1431 'insn_conditions' with the check on GCC version.
1432 (write_writer): Guard the traversal 'insn_conditions' with
1433 the check on GCC version.
1435 2006-02-07 Richard Guenther <rguenther@suse.de>
1439 2006-01-30 Richard Guenther <rguenther@suse.de>
1441 * gimplify.c (gimplify_target_expr): Handle easy cases
1442 without creating a temporary.
1444 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1446 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1447 use of float in probability computations. Use edge probabilities
1448 in place of statically computed probabilities.
1449 (min_spec_prob): New static variable.
1450 (schedule_insns): Initialize it.
1451 (GET_SRC_PROB): Removed.
1452 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1454 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1457 * config/ia64/unwind-ia64.c: Revert last change.
1458 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1459 (INCOMING_FRAME_SP_OFFSET): Define.
1461 2006-02-06 Roger Sayle <roger@eyesopen.com>
1463 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1465 2006-02-07 Ben Elliston <bje@au.ibm.com>
1467 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1468 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1469 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1470 (ix86_return_in_memory): Handle TDmode.
1471 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1472 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1474 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1476 * reorg.c (dbr_schedule): Use dump_file instead of file.
1478 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1481 * config/ia64/predicates.md (extr_len_operand): New predicate.
1482 * config/ia64/ia64.md (extv): Tighten constraints.
1484 (*tbit_and_2): Ditto.
1485 (*tbit_and_3): Ditto.
1486 (*tbit_or_2): Ditto.
1487 (*tbit_or_3): Ditto.
1491 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1494 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1496 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1498 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1499 loop_optimizer_init and loop_optimizer_finalize
1500 * tree-ssa-sink.c (execute_sink_code): Ditto.
1501 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1502 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1503 tree_ssa_loop_done): Ditto.
1504 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1505 * sched-ebb.c: Include output.h.
1506 (schedule_ebbs): Do not use dump argument.
1507 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1508 * loop.c (loop_dump_stream): Removed.
1509 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1511 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1512 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1513 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1514 loop_iterations, strength_reduce, record_biv, record_giv,
1515 final_giv_value, check_final_value, check_ext_dependent_givs,
1516 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1517 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1518 dump_file instead of loop_dump_stream.
1519 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1521 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1523 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1524 * haifa-sched.c: Include output.h
1525 (schedule_insns, sched_init): Do not use dump argument.
1526 * mode-switching.c (optimize_mode_switching): Ditto.
1527 * modulo-sched.c (stats_file): Removed.
1528 (print_node_sched_params): Do not call argument dump_file.
1529 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1530 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1532 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1534 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1535 rtl_loop_init, rtl_loop_done): Ditto.
1536 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1537 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1539 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1540 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1541 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1542 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1543 * emit-rtl.c (renumber_insns): Ditto.
1544 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1545 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1546 * regclass.c (regclass): Ditto.
1547 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1548 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1549 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1550 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1552 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1553 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1555 * gcse.c (gcse_file, debug_stderr): Removed.
1556 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1557 rest_of_handle_gcse): Do not use dump argument.
1558 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1559 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1560 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1561 compute_code_hoist_vbeinout, compute_code_hoist_data,
1562 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1563 compute_store_table, build_store_vectors, insert_insn_start_bb,
1564 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1565 store_motion): Use dump_file instead of gcse_file.
1566 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1567 * profile.c (profile_dump_file): Removed.
1568 (branch_prob): Use dump_file instead of profile_dump_file.
1569 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1571 * tree-ssa-copy.c (dump_copy_of): Ditto.
1572 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1573 dump file to life_analysis.
1574 * bt-load.c (branch_target_load_optimize): Ditto.
1575 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1577 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1578 regclass, dbr_schedule): Declaration changed.
1579 * sched-int.h (sched_init): Declaration changed.
1580 * tree-profile.c (tree_profile_dump_file): Removed.
1581 (tree_profile_hooks): Removed profile_dump_file hook.
1582 * rtl-profile (rtl_profile_dump_file): Removed.
1583 (rtl_profile_hooks): emoved profile_dump_file hook.
1584 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1586 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1587 * tree-cfg.c (build_tree_cfg): Ditto.
1588 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1589 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1590 Declaration changed.
1591 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1592 life_analysis and schedule_insns.
1593 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1595 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1597 * config/mips/mips.c (mips_reorg): Ditto.
1598 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1601 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1603 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1604 (s390_mangle_fundamental_type): New.
1605 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1608 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1609 (alpha_mangle_fundamental_type): New.
1610 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1613 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1615 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1617 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1618 (sparc_mangle_fundamental_type): New.
1620 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1622 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1623 (s390x-*-linux*): Likewise.
1624 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1625 * config/s390/t-linux: New file.
1627 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1629 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1630 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1632 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1634 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1635 (ANTIC_SAFE_LOADS): New macro.
1636 (find_or_generate_expression): Add prototype.
1637 (set_contains_value): Allow null set for sake of not always having
1638 to allocate ANTIC_SAFE_LOADS.
1639 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1640 Allow COMPONENT_REF too.
1641 (valid_in_set): Allow COMPONENT_REF.
1642 Check ANTIC_SAFE_LOADS too.
1643 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1644 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1646 (can_PRE_operation): Add COMPONENT_REF.
1647 (create_component_ref_by_pieces): New function.
1648 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1649 (insert_aux): Move AGGREGATE_TYPE_P check here.
1650 (compute_avail): Set bb local stmt uids.
1651 (pass_pre): Use TODO_update_ssa_only_virtuals.
1653 2006-02-06 Ben Elliston <bje@au.ibm.com>
1655 * configure.ac: Unconditionally disable decimal float by default.
1656 * configure: Regenerate.
1658 2006-02-06 Ben Elliston <bje@au.ibm.com>
1660 * read-rtl.c (read_name): Terminate reading on EOF.
1662 2006-02-06 Ben Elliston <bje@au.ibm.com>
1664 * dfp.c (decimal_real_arithmetic): Change second argument type
1665 from int to enum tree_code. Do not always return true, but now
1666 return result of any call to decimal_do helper functions.
1667 * dfp.h (decimal_real_arithmetic): Update prototype.
1669 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1671 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1673 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1676 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1679 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1681 * tree-vrp.c (cfg_loops): Removed.
1682 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1683 Use current_loops instead of cfg_loops. Pass flags to
1684 loop_optimizer_init.
1685 * cfgloopmanip.c (fix_loop_structure): Update only available
1687 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1688 loop_optimizer_init.
1689 * modulo-sched.c (build_loops_structure): Removed.
1690 (sms_schedule): Use loop_optimizer_init.
1691 * loop-init.c (loop_optimizer_init): Use flags to determine
1692 which properties of loops to prepare.
1693 (rtl_loop_init): Pass flags to loop_optimizer_init.
1694 * tree-ssa-sink.c (execute_sink_code): Ditto.
1695 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1696 * tree-ssa-pre.c (init_pre): Ditto.
1697 * cfgloop.h (LOOPS_NORMAL): New.
1698 (loop_optimizer_init): Declaration changed.
1700 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1702 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1703 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1705 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1707 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1709 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1710 * pa/t-pa64: Delete quadlib.c rule.
1711 * pa/x-ada: Revert last change.
1712 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1714 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1716 PR rtl-optimization/26087
1717 * rtlanal.c (canonicalize_condition): Do not cross basic block
1720 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1723 * config/ia64/ia64.c: Include debug.h.
1724 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1725 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1726 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1727 (process_epilogue, process_set, process_for_unwind_directive):
1728 Output unwind info only if requested. Add CFA info if requested.
1729 Add new arguments as needed. Adjust callers.
1730 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1732 (DWARF2_FRAME_INFO): Define to zero.
1733 * config/ia64/unwind-ia64.c: Remove code that compensated for
1734 the CFA offset error fixed above.
1735 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1736 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1737 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1738 -funwind-tables and -fexceptions to enable frame info.
1739 (dwarf2out_frame_init): Define initial CFA even if
1740 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1741 DWARF2_UNWIND_INFO is nonzero, not just defined.
1742 (dwarf2out_frame_finish): Output non-EH call frame info only
1743 if DWARF2_FRAME_INFO is nonzero.
1744 (convert_cfa_to_loc_list,
1745 compute_frame_pointer_to_cfa_displacement): Define even if
1746 unwind info is not supported.
1747 (gen_subprogram_die): Use the above unconditionally. Remove
1748 legacy alternate code.
1749 * toplev.c (compile_file): Compile in call to
1750 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1751 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1753 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1754 Jakub Jelinek <jakub@redhat.com>
1756 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1757 IBM extended float format long double as "g" on powerpc*-linux.
1759 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1762 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1763 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1765 2006-02-03 Jason Merrill <jason@redhat.com>
1768 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1771 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1772 on the return slot if it's an NRV.
1774 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1776 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1777 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1778 rewrite_use): Do not handle USE_OUTER.
1779 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1780 add_iv_outer_candidates, may_replace_final_value,
1781 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1782 (find_interesting_uses_op): Functionality of
1783 find_interesting_uses_outer_or_nonlin moved here.
1784 (find_interesting_uses_outside): Use find_interesting_uses_op.
1786 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1789 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1791 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1792 Ulrich Weigand <uweigand@de.ibm.com>
1795 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1796 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1797 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1798 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1800 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1801 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1802 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1803 Define secondary reloads for TFmode moves.
1804 (constant_modes): Add TFmode.
1805 (NR_C_MODES): Set to 8.
1806 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1808 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1809 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1810 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1811 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1812 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1813 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1814 (FPR mode macro): Add TFmode.
1815 (DSF mode macro): New.
1816 (<de>, <dee> mode attributes): Removed.
1817 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1818 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1819 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1820 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1821 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1822 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1823 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1824 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1825 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1826 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1827 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1828 "*negabs<mode>2", "sqrt<mode>2"):
1829 Changed <de> to <xde>. R constraint replaced by <Rf>.
1830 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1832 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1833 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1834 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1836 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1837 "extenddftf2", "extendsftf2"): New expanders.
1838 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1839 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1840 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1841 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1843 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1844 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1845 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1846 __floatditf): Add a GCC_4.1.0 symbol version tag.
1847 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1850 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1853 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1854 Use targetm.binds_local_p instead of TREE_PUBLIC.
1856 2006-02-02 Roger Sayle <roger@eyesopen.com>
1858 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1859 on INTEGER_TYPEs to indicate that it denotes a character type.
1860 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1861 signed_char_type_node, unsigned_char_type_node and char_type_node.
1862 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1863 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1864 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1866 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1867 Daniel Berlin <dberlin@dberlin.org>
1869 * tree-tailcall.c (arg_needs_copy_p): New function.
1870 (eliminate_tail_call): Use arg_needs_copy_p.
1871 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1872 (add_virtual_phis): New function.
1874 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1876 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1877 #ignore instead of #scratch for %g7 .register directive.
1879 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1881 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1884 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1886 * flow.c (calculate_global_regs_live): Assert that there aren't any
1889 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1891 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1893 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1894 bsi_after_labels iterator.
1895 * tree-if-conv.c (find_phi_replacement_condition,
1896 replace_phi_with_cond_modify_expr): Likewise.
1897 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1898 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1900 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1902 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1904 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1907 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1908 array after growing it.
1910 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1913 * fold-const.c (fold_checksum_tree): Change type of buf.
1915 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1917 * reload.c (push_secondary_reload): Initialize t_icode.
1919 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1921 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1922 -msoft-float -mlong-double-128 only issue a warning, but don't
1923 swich to DFmode long double.
1925 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1927 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1928 has a constant equivalent, iterate over equivalents for arg0,
1929 calling simplify_relational_operation and if there's a result
1930 cheaper than X, apply fold_rtx and return the result.
1932 2006-02-01 Jan Hubicka <jh@suse.cz>
1934 * opts.c (no_unit_at_a_time_default): New global variable.
1935 (decode_options): Use it.
1936 * opts.h (no_unit_at_a_time_default): Declare.
1938 2006-02-01 Paul Brook <paul@codesourcery.com>
1940 * function.c (assign_parm_setup_reg): Use function argument promotion
1942 * expr.c (expand_expr_real_1): Use function argument promotion rules
1945 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1947 * gcc.c (process_command): Change j to 'unsigned int'.
1949 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1952 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1953 Use the corrected index for the character
1954 out of the string constant.
1956 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1958 * mode-switching.c (optimize_mode_switching): Fix size
1959 allocated for bb_info[n_entities].
1961 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1963 * gcc.c (main): Correct type that is allocated for
1964 explicit_link_files.
1966 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1968 * config/s390/s390.c (init_alignment_context): Set
1969 ALIAS_SET_MEMORY_BARRIER on the MEM.
1970 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1972 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1975 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1977 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1980 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1982 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1983 * regrename.c: Ditto.
1984 * tree-ssa-loop-im.c: Ditto.
1985 * tree-dump.c: Ditto.
1986 * tree-complex.c: Ditto.
1987 * genrecog.c: Ditto.
1988 * tree-ssa-threadupdate.c: Ditto.
1990 * java/class.c: Ditto.
1991 * java/jcf-parse.c: Ditto.
1992 * java/resource.c: Ditto.
1993 * java/except.c: Ditto.
1994 * java/jvspec.c: Ditto.
1995 * java/jcf-write.c: Ditto.
1996 * java/jcf-path.c: Ditto.
1997 * java/gjavah.c: Ditto.
1998 * java/zextract.c: Ditto.
1999 * java/jcf-io.c: Ditto.
2000 * java/jcf.h: Ditto.
2001 * java/buffer.c: Ditto.
2002 * java/lang.c: Ditto.
2003 * java/parse-scan.y: Ditto.
2004 * java/lex.c: Ditto.
2005 * java/lex.h: Ditto.
2006 * cfgloopmanip.c: Ditto.
2007 * postreload-gcse.c: Ditto.
2008 * tree-ssa-loop-manip.c: Ditto.
2009 * postreload.c: Ditto.
2010 * tree-ssa-loop-ch.c: Ditto.
2014 * diagnostic.c: Ditto.
2016 * genoutput.c: Ditto.
2018 * cfghooks.c: Ditto.
2019 * cfgloopanal.c: Ditto.
2020 * objc/objc-act.c: Ditto.
2022 * genextract.c: Ditto.
2023 * genautomata.c: Ditto.
2024 * pretty-print.c: Ditto.
2026 * cgraphunit.c: Ditto.
2029 * haifa-sched.c: Ditto.
2030 * dominance.c: Ditto.
2032 * tree-ssa-loop-ivopts.c: Ditto.
2034 * mode-switching.c: Ditto.
2035 * modulo-sched.c: Ditto.
2037 * ipa-pure-const.c: Ditto.
2039 * fix-header.c: Ditto.
2041 * tree-stdarg.c: Ditto.
2042 * ipa-utils.c: Ditto.
2043 * loop-init.c: Ditto.
2044 * ipa-inline.c: Ditto.
2047 * alloc-pool.c: Ditto.
2048 * dwarf2out.c: Ditto.
2050 * genattrtab.c: Ditto.
2051 * tree-ssa-loop-ivcanon.c: Ditto.
2055 * fortran/gfortranspec.c: Ditto.
2057 * local-alloc.c: Ditto.
2058 * langhooks.c: Ditto.
2059 * function.c: Ditto.
2060 * tree-vectorizer.c: Ditto.
2062 * ipa-type-escape.c: Ditto.
2064 * tree-if-conv.c: Ditto.
2067 * tree-data-ref.c: Ditto.
2068 * loop-unroll.c: Ditto.
2069 * treelang/treetree.c: Ditto.
2072 * ggc-common.c: Ditto.
2074 * coverage.c: Ditto.
2076 * tree-cfgcleanup.c: Ditto.
2077 * tree-ssa-pre.c: Ditto.
2078 * cfgcleanup.c: Ditto.
2079 * loop-invariant.c: Ditto.
2081 * ipa-prop.c: Ditto.
2082 * print-tree.c: Ditto.
2083 * conflict.c: Ditto.
2084 * ggc-page.c: Ditto.
2085 * sched-deps.c: Ditto.
2086 * regclass.c: Ditto.
2087 * tree-object-size.c: Ditto.
2089 * bb-reorder.c: Ditto.
2090 * resource.c: Ditto.
2091 * var-tracking.c: Ditto.
2093 * df-problems.c: Ditto.
2094 * reg-stack.c: Ditto.
2097 * sched-rgn.c: Ditto.
2098 * tree-ssa-structalias.c: Ditto.
2099 * tree-ssa-reassoc.c: Ditto.
2100 * config/darwin-c.c: Ditto.
2101 * config/darwin.c: Ditto.
2102 * config/arm/arm.c: Ditto.
2104 * collect2.c: Ditto.
2107 2006-01-31 Nicolas Pitre <nico@cam.org>
2109 * arm.md (smaxsi3): Make aware of smax_m1.
2112 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2114 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2116 2006-01-31 Richard Guenther <rguenther@suse.de>
2118 * doc/invoke.texi (-msselibm): Document.
2119 * target.h (expand_library_builtin): New target hook.
2120 * builtins.c (expand_builtin): Use expand_library_builtin.
2121 (default_expand_library_builtin): New function.
2122 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2123 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2124 (link_gcc_math_spec): Declare.
2125 (static_specs): Add link_gcc_math_spec.
2126 * expr.h (default_expand_library_builtin): Declare.
2127 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2128 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2129 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2130 * config/i386/i386.opt (msselibm): New target option.
2131 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2132 (ix86_init_sse_abi_builtins): New function.
2133 (ix86_expand_library_builtin): Likewise.
2134 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2135 (override_options): Handle error conditions wrt -msselibm.
2136 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2137 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2138 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2141 2006-01-31 Richard Guenther <rguenther@suse.de>
2142 Paolo Bonzini <bonzini@gnu.org>
2144 * doc/install.texi (--disable-libgcc-math): Document.
2146 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2148 * expr.h (expand_normal): new inline function.
2149 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2151 * dwarf2out.c: use it.
2156 * config/sparc/sparc.c: use it.
2157 * config/i386/i386.c: use it.
2158 * config/rs6000/rs6000.c: use it.
2159 * config/arm/arm.c: use it.
2160 * config/mips/mips.c: use it.
2161 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2163 2006-01-30 Roger Sayle <roger@eyesopen.com>
2165 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2166 argv to the appropriate type.
2168 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2170 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2173 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2176 * config/s390/s390.c (struct machine_function): New flag
2177 decomposed_literal_pool_addresses_ok_p.
2178 (s390_reorg): Set it before final stage of literal pool transforms.
2179 (s390_decompose_address): Only accept displacements of the form
2180 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2182 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2184 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2185 the comparison routine return.
2187 2006-01-30 Michael Matz <matz@suse.de>
2189 * global.c (find_reg): Only evict for global regs.
2190 Take n_refs into account and dump more info.
2192 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2195 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2196 (pragma_trap, pragma_nosave_low_regs): Likewise.
2197 (current_function_anonymous_args): Likewise.
2198 (sh_deferred_function_attributes): New variable.
2199 (sh_deferred_function_attributes_tail): Likewise.
2200 (print_operand): For '@', look up trap_exit attribute.
2201 (calc_live_regs): Look up trapa_handler attribute. For trapa
2202 handlers, save/restore fpscr, but don't do any other
2203 interrupt-specific saves.
2204 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2205 Fix check for partially saved registers to check for SHmedia.
2206 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2207 (sh_output_function_epilogue): Don't clear any of the removed
2209 (sh_insert_attributes): Don't check pragma_interrupt.
2210 Insert deferred attributes. Check that interrupt attribute is
2211 present for other attributes that require its presence.
2212 (sh_attribute_table): Add new attributes trapa_handler and
2214 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2215 Don't check for pragma_interrupt. Don't store argument.
2216 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2217 (sh_deferred_function_attributes): Declare.
2218 (sh_deferred_function_attributes_tail): Likewise.
2219 * sh.md (sp_switch_1): Add operand. Change generator caller.
2220 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2221 (*return_i): Don't use when trap_exit attribute is in effect.
2222 (*return_trapa): New insn pattern.
2224 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2225 setting c_target_objs and cxx_target_objs.
2226 * t-sh: Add rule for sh-c.o.
2228 2006-01-30 Richard Guenther <rguenther@suse.de>
2231 * gimplify.c (gimplify_target_expr): Handle easy cases
2232 without creating a temporary.
2234 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2236 * vec.h (safe_grow): Remove duplicated line.
2238 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2241 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2242 (expand_omp): ... here.
2243 (expand_omp_parallel): Only remove barriers for combined
2244 parallel+workshare constructs.
2246 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2250 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2251 * tree.c (build_qualified_type): Chain the new type to the original
2252 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2253 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2254 (build_pointer_type_for_mode): Only return unqualified types.
2255 (build_reference_type_for_mode): Likewise.
2257 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2259 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2260 * Makefile.in (CXX_COMPAT_WARN): Define.
2261 * configure: Regenerate.
2263 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2266 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2269 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2271 * toplev.c: Fix thinko.
2273 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2274 Marcin Dalecki <martin@dalecki.de>
2276 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2277 (push_srcloc): Use XNEW.
2278 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2280 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2282 * df-core.c (df_set_blocks): Deleted all variable.
2284 2006-01-28 Ian Lance Taylor <ian@airs.com>
2286 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2287 cgraph_output_pending_asms.
2289 2006-01-28 Zack Weinberg <zackw@panix.com>
2291 * c.opt: Add -W(no-)overlength-strings.
2292 * doc/invoke.texi: Document it.
2293 * c-opts.c (c_common_handle_option): -pedantic implies
2294 -Woverlength-strings, if not explicitly disabled already.
2295 (c_common_post_options): -Woverlength-strings defaults to off, and
2296 is always off for C++.
2297 * c-common.c (fix_string_type): Issue warning about strings longer
2298 than is portable only if warn_overlength_strings. Rearrange code
2299 a little for clarity.
2300 * configure.in: Check for -Wno-overlength-strings as well before
2301 enabling -pedantic in stage 1.
2302 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2303 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2305 * genconditions.c (write_header, write_one_condition)
2306 (write_conditions, write_writer): Consolidate very long strings
2307 that were broken up to fit in C89 portable limit. Don't use
2308 printf when fputs will do.
2310 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2312 * combine.c (simplify_comparison <AND>): Check
2313 TRULY_NOOP_TRUNCATION before start using a subreg.
2315 * config/mips/mips.md (*branch_zero<mode>,
2316 *branch_zero<mode>_inverted, *branch_equality<mode>,
2317 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2318 Remove mode check from comparisons.
2320 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2322 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2324 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2326 * expmed.c (const_mult_add_overflow_p): Remove.
2327 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2329 * recog.c (validate_replace_rtx_subexp): Remove.
2330 * recog.h: Remove the prototype for
2331 validate_replace_rtx_subexp.
2333 * integrate.h: Remove the prototype for
2334 copy_decl_for_inlining.
2335 * rtl.h: Remove the prototype for mark_constant_function.
2336 * tree-vectorizer.h: Remove the prototype for
2337 vect_strip_conversion.
2339 * modulo-sched.c (create_partial_schedule,
2340 free_partial_schedule, reset_partial_schedule): Make them
2343 * hooks.c (hook_bool_rtx_int_false): Remove.
2344 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2346 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2348 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2349 and -mlong-double-128 are incompatible.
2350 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2351 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2352 (TARGET_LIBGCC2_CFLAGS): Define.
2353 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2354 (TARGET_LIBGCC2_CFLAGS): Same.
2355 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2357 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2360 * c-typeck.c (build_binary_op): Perform implicit casts of
2361 operands before shortening them.
2363 * cfgloopmanip.c (split_loop_bb): Remove.
2364 * cfgloop.h: Remove the prototype for split_loop_bb.
2366 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2367 * cfgloop.h: Remove the prototype for
2368 flow_loop_outside_edge_p.
2370 * emit-rtl.c (init_virtual_regs): Make it static.
2371 * function.h: Remove the prototype for init_virtual_regs.
2373 * recog.c (peephole2_optimize): Make it static.
2374 * recog.h: Remove the prototype for peephole2_optimize.
2376 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2378 * df-scan.c (df_record_entry_block_defs): Check if
2379 INCOMING_RETURN_ADDR_RTX is defined.
2381 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2382 Kenneth Zadeck <zadeck@naturalbridge.com>
2384 PR rtl-optimization/24762
2385 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2386 * targhooks.c (hook_void_bitmap): New hook prototype.
2387 * targhoohs.h (hook_void_bitmap): Ditto.
2388 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2389 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2390 * target.h (live_on_entry): New function pointer.
2391 * df-scan.c (df_all_hard_regs): Removed.
2392 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2393 (df_scan_free_internal): Added df->entry_block_defs.
2394 (df_scan_alloc): Ditto.
2395 (df_scan_dump): Ditto.
2396 (df_uses_record): Plumbed flag field properly thru calls.
2397 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2398 This part fixes PR24762.
2399 (df_bb_refs_record): Added code to make the frame and arg
2400 pointers live in EH blocks.
2401 (df_refs_record): Added call to df_record_entry_block_defs.
2402 (df_record_entry_block_defs): New function.
2403 * df-core.c: Added comments to describe new artifical defs.
2404 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2405 (entry_block_defs): New field in struct df.
2406 (df_all_hard_regs): Deleted.
2407 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2408 * df-problems.c (df_ru_bb_local_compute_process_def):
2409 Added code to handle artifical defs in the entry to a function.
2410 (df_ru_bb_local_compute): Ditto.
2411 (df_rd_bb_local_compute_process_def): Ditto.
2412 (df_rd_bb_local_compute): Ditto.
2413 (df_lr_bb_local_compute): Ditto.
2414 (df_ur_bb_local_compute): Ditto.
2415 (df_urec_bb_local_compute): Ditto.
2416 (df_chain_create_bb): Ditto.
2417 (df_ur_local_finalize): Removed entry.
2418 (df_urec_init): Ditto.
2419 (df_urec_local_finalize): Ditto.
2420 (df_ri_bb_compute): Added detection of last use of pseudos.
2421 * Makefile.in (df-scan.o): Updated dependencies.
2422 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2423 * config/mips/mips.c (mips_set_live_on_entry): Added.
2424 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2426 * dce.c (marked_insn_p): Added code to handle artifical defs.
2428 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2430 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2432 (_mm_cvtsi128_si64): Likewise.
2433 (_mm_cvtsd_si64): Likewise.
2434 (_mm_cvttsd_si64): Likewise.
2435 (_mm_cvtsi64_sd): Likewise.
2436 (_mm_cvtsi64_si128): Likewise.
2437 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2438 (_mm_cvtsi64_m64): Likewise.
2439 (_m_to_int64): Likewise.
2440 (_mm_cvtm64_si64): Likewise.
2441 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2442 (_mm_cvttss_si64): Likewise.
2443 (_mm_cvtsi64_ss): Likewise.
2444 (_mm_cvtss_f32): Likewise.
2446 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2448 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2449 for pragma redefine_extname.
2451 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2454 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2455 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2456 -mno-minimal-toc to previous content.
2457 (bispecs): Remove goal.
2458 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2459 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2460 compatibility aliases on powerpc-*-*gnu*.
2461 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2462 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2463 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2464 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2465 (ldblspecs): New goal.
2466 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2467 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2469 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2470 L_sf_to_tf or L_df_to_tf is defined.
2472 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2473 Alan Modra <amodra@bigpond.net.au>
2476 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2477 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2478 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2479 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2480 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2481 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2482 (rs6000_override_options): Initialize rs6000_ieeequad.
2483 Initialize TFmode format to ibm_extended_format if not
2485 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2487 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2488 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2489 (function_arg_advance): IBM long double passed in two FPRs, not
2491 (function_arg): IBM long double passed in FPRs.
2492 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2493 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2494 Only multireg GPR aligned.
2495 (rs6000_init_libfuncs): Enable IBM long double functions if not
2497 (rs6000_generate_compare): Use IBM long double compare if not
2499 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2500 (TARGET_IEEEQUAD): Define.
2501 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2502 not TARGET_IEEEQUAD.
2503 * config/rs6000/rs6000.md: Enable TFmode patterns if
2505 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2506 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2507 and -mlong-double-128 are incompatible.
2508 * doc/invoke.texi (-mabi): Collect options together. Add
2509 ibmlongdouble and ieeelongdouble.
2511 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2513 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2515 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2516 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2517 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2518 * rtl.h (rtunion_def): Remove rt_ptr.
2520 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2521 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2522 * config/i386/winnt.c (i386_pe_mark_dllexport)
2523 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2525 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2527 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2529 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2533 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2534 pthread_key_delete. From John David Anglin. gthrw-ify
2535 pthread_getunique_np only if it it's not a macro. Delete
2537 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2538 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2539 __gthread_objc_condition_signal, __gthread_key_delete): Add
2540 "__attribute__ ((__unused__))" to unused arguments.
2541 (__gthread_recursive_mutex_init_function): Add missing return.
2542 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2543 gthr-posix95.h: Use macro-based approach for name redirection
2544 on targets missing weakref.
2546 2006-01-26 Zack Weinberg <zackw@panix.com>
2548 * genconditions.c (write_header): In generated code, #ifdef out
2549 all includes and fake declarations, except includes of bconfig.h
2550 and system.h, unless GCC_VERSION >= 3001. Do not include
2551 gensupport.h in any case.
2552 (write_conditions): Generate a definition of struct c_test. Add
2553 a comment to the generated #endif.
2554 (write_one_condition): Escape backslashes in string too.
2555 (write_writer): Generated code must escape backslashes and quote
2556 marks (but not newlines) in the strings it writes.
2557 * Makefile.in (build/gencondmd.o): Update dependencies.
2559 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2562 * Makefile.in (insn-automata.o): Add header file dependencies.
2563 * genautomata.c: Add includes.
2565 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2568 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2570 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2572 * configure.ac: Expect target tools paths to be passed from the toplevel
2573 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2575 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2577 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2580 * c.opt (Wpointer-sign): Init to -1.
2581 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2582 OPT_pedantic, to 0 otherwise.
2583 * doc/invoke.texi: Update.
2585 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2587 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2588 constants provided by 80387 instructions in the destination mode.
2590 2006-01-26 Richard Guenther <rguenther@suse.de>
2591 Andrew Pinski <pinskia@physics.uc.edu>
2594 partial PR tree-opt/17064
2595 * tree-ssa-structalias.c (intra_create_variable_infos):
2596 Create heap variables for incoming parameters if
2597 flag_argument_noalias > 1.
2598 (find_what_p_points_to): Look through default defs of
2601 2006-01-26 Jeff Law <law@redhat.com>
2604 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2605 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2606 within the VR_RANGE, use the VR_RANGE as the result, not the
2608 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2609 bounds for the type.
2611 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2613 * tree-ssa-alias.c (maybe_create_global_var): Change
2614 subvar walking to an assertion that we don't have subvar'd variables.
2616 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2619 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2620 Use a new variable, inner. PARM_DECLs are always non-weak.
2622 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2624 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2627 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2629 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2631 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2633 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2634 (smax_insn, smin_insn, smax_0, smin_0): New.
2636 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2639 * config/cris/cris.c (cris_order_for_addsi3): New function.
2640 * config/cris/cris-protos.h: Prototype it.
2641 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2642 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2643 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2644 (split for "op.S1 [rx=rx+i],ry (swapped)")
2645 (split for "op(s|u).S1 [rx=rx+i],ry")
2646 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2647 Apply cris_order_for_addsi3 when generating addsi3 insns.
2649 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2651 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2652 (TREE_BLOCK): Add call to EXPR_CHECK.
2654 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2657 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2658 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2659 (dump_omp_clauses): ... here.
2660 (dump_generic_node): Handle OMP_CLAUSE.
2661 * tree.c (omp_clause_num_ops): New.
2662 (omp_clause_code_name): New.
2663 (tree_code_size): Handle OMP_CLAUSE.
2664 (tree_size): Likewise.
2665 (make_node): Document handling of OMP_CLAUSE.
2666 (tree_node_structure): Handle OMP_CLAUSE.
2667 (omp_clause_check_failed): New.
2668 (omp_clause_range_check_failed): New.
2669 (omp_clause_operand_check_failed): New.
2670 (build_omp_clause): New.
2671 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2672 * tree.h (enum omp_clause_code): Declare.
2673 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2674 (OMP_CLAUSE_RANGE_CHECK): Define.
2675 (OMP_CLAUSE_ELT_CHECK): Define.
2676 (omp_clause_check_failed): Declare.
2677 (omp_clause_operand_check_failed): Declare.
2678 (omp_clause_range_check_failed): Declare.
2679 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2680 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2681 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2682 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2683 (OMP_CLAUSE_IF_EXPR): Likewise.
2684 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2685 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2686 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2687 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2688 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2689 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2690 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2691 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2692 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2693 (OMP_CLAUSE_CODE): Define.
2694 (OMP_CLAUSE_SET_CODE): Define.
2695 (OMP_CLAUSE_CODE): Define.
2696 (OMP_CLAUSE_OPERAND): Define.
2697 (struct tree_omp_clause): Declare.
2698 (union tree_node): Add field 'omp_clause'.
2699 * treestruct.def (TS_OMP_CLAUSE): Define.
2700 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2701 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2702 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2703 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2704 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2705 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2706 (OMP_CLAUSE): Define.
2707 * print-tree.c (print_node): Handle OMP_CLAUSE.
2708 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2709 * c-typeck.c: Likewise.
2710 * gimplify.c: Likewise.
2711 * c-omp.c: Likewise.
2712 * tree-nested.c: Likewise.
2713 * tree-inline.c: Likewise.
2714 * c-parser.c: Likewise.
2715 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2718 2006-01-25 Roger Sayle <roger@eyesopen.com>
2720 PR rtl-optimization/25703
2721 * combine.c (try_combine): Handle zero_extract and strict_low_part
2722 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2724 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2726 * global.c: Fix comment typos.
2728 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2731 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2732 Use output_addr_const instead of assemble_name.
2734 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2736 * Makefile.in (sched-vis.o): Update dependencies.
2737 * haifa-sched.c (sched_finish): Clear current_sched_info.
2738 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2739 (dump_flow_info): Call it.
2740 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2742 * basic-block.h (dump_bb_info): Declare.
2743 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2744 option, and apply options only for dump files whose TDF_RTL,
2745 TDF_TREE, or TDF_IPA bits match.
2746 * rtl.h: Declare new functions exported from sched-vis.c.
2747 * sched-vis.c: Enable also if scheduling is not used.
2748 (print_value): Print the mode of registers if not inside scheduling.
2749 (print_insn): Make it work outside the scheduler. Beautify the output
2751 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2753 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2755 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2756 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2757 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2758 depending on the value of CONSTANT_POOL_ADDRESS_P.
2759 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2761 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2762 rather than SYMBOL_REF_DECL.
2763 (rtx_constant_pool): Remove const_rtx_sym_htab.
2764 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2765 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2766 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2767 Remove handling of const_rtx_sym_htab.
2768 (find_pool_constant): Delete.
2769 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2770 rather than find_pool_constant.
2771 (get_pool_constant_for_function): Delete.
2772 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2774 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2775 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2776 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2777 (SYMBOL_REF_CONSTANT): New macro.
2778 (get_pool_constant_for_function): Delete.
2779 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2780 rather than SYMBOL_REF_DECL.
2781 (i386_pe_mark_dllimport): Likewise.
2782 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2783 rather than SYMBOL_REF_DECL.
2784 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2785 (machopic_indirect_call_target): Likewise.
2787 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2789 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2791 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2793 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2795 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2797 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2799 2006-01-24 David Daney <ddaney@avtrex.com>
2802 * configure.ac (enable_tls): New enable option.
2803 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2804 * configure: Regenerate.
2805 * doc/install.texi (--enable-tls): Document new option.
2806 (--disable-tls): Ditto.
2808 2006-01-24 Richard Henderson <rth@redehat.com>
2810 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2811 * alias.c (true_dependence): Respect it.
2812 (canon_true_dependence, write_dependence_p): Likewise.
2813 * builtins.c (get_builtin_sync_mem): Set it.
2815 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2817 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2820 2006-01-24 DJ Delorie <dj@redhat.com>
2822 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2823 for storing constants in single-bit bitfields.
2825 2006-01-25 Ben Elliston <bje@au.ibm.com>
2827 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2829 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2832 * tree-ssa-pre.c (phi_translate): Return NULL
2833 for AGGREGATE_TYPE's.
2835 2006-01-24 Zack Weinberg <zackw@panix.com>
2837 * genautomata.c (process_state_for_insn_equiv_partition):
2838 Use xcalloc for insn_arcs_array.
2839 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2840 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2842 2006-01-24 Richard Henderson <rth@redhat.com>
2844 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2847 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2849 PR rtl-optimization/25890
2850 PR rtl-optimization/25905
2851 * combine.c (expand_compound_operation, expand_field_assignment):
2852 Fail if the bitfield's final position is out of bounds.
2854 2006-01-24 Ian Lance Taylor <ian@airs.com>
2857 * cgraphunit.c (cgraph_output_in_order): Don't clear
2858 cgraph_asm_nodes until after asm strings have been output.
2860 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2862 * fix-header.c (read_scan_file): Add new parameter imultilib when
2863 calling register_include_chains.
2865 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2867 * omp-low.c: Update documentation.
2869 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2870 Daniel Berlin <dberlin@dberlin.org>
2874 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2875 return from the function.
2877 2006-01-22 Zack Weinberg <zackw@panix.com>
2879 * rtl.def (match_code): Add second argument.
2880 * genpreds.c (write_extract_subexp): New function.
2881 (write_match_code): Add path argument. Use write_extract_subexp.
2882 (write_predicate_expr): Pass path to write_match_code.
2883 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2884 not perform a mode test.
2885 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2886 a subexpression does not constrain the top-level code set.
2887 * read-rtl.c (read_rtx_variadic): New function.
2888 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2889 * doc/md.texi: Document new notation.
2890 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2891 (cmpsi_operand): ... here, using new notation.
2893 2006-01-22 Zack Weinberg <zackw@panix.com>
2895 * varray.c: Remove GENERATOR_FILE #ifdefs.
2897 2006-01-22 Zack Weinberg <zackw@panix.com>
2899 * genautomata.c (output_reserved_units_table): Emit nothing if
2900 description->query_units_num is zero. Remove extra blank line.
2901 (output_cpu_unit_reservation_p): Short circuit
2902 if description->query_units_num is zero.
2904 2006-01-22 Zack Weinberg <zackw@panix.com>
2906 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2907 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2908 nor any of the random handful of variables that used to be necessary
2909 when this program was linked with rtlanal.o. Prune set of forward
2910 function declarations.
2911 (struct attr_desc): Remove static_p field.
2912 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2913 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2914 (attr_string): Do not read the character one past the length of
2916 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2917 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2918 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2919 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2920 (make_automaton_attrs): New.
2921 (main): Do not call into genautomata. Call local gen_bypass
2922 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2923 Remove special case for insn_alts.
2924 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2925 varray.h (leftover from previous change). Prune set of forward
2926 function declarations. Remove state_alts fields from all
2927 structures. Remove state_alts_table from struct automaton.
2928 Make everything except main static. Do not maintain num_dfa_decls.
2929 Do not maintain state_alts fields of various structures.
2930 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2931 (add_arc): Remove state_alts argument. All callers updated.
2932 (output_reserved_units_table): Emit #ifdef here...
2933 (output_tables): ...not here. Don't generate state_alts tables.
2934 (expand_automata): Don't generate attributes.
2935 (write_automata): Don't generate state_alts functions.
2936 (main): New function.
2937 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2938 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2939 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2940 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2941 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2942 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2943 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2944 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2946 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2947 * genattrtab.h: Delete file.
2948 * Makefile.in (OBJS-common): Add insn-automata.o.
2949 (insn-automata.o): New rule.
2950 (simple_generated_c): Add insn-automata.c.
2951 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2952 (genprogmd): Add automata.
2953 (build/genattrtab): Needs no extra objects nor libraries.
2954 (build/genautomata): Needs build/vec.o and -lm.
2956 2006-01-22 Zack Weinberg <zackw@panix.com>
2958 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2959 (output_dfa_max_issue_rate, locked_states_num): Delete.
2960 (struct automaton): Add locked_states field.
2961 (output_dead_lock_vect): Save number of locked states in
2962 automaton->locked_states. If it is zero, don't print anything.
2963 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2964 (output_internal_dead_lock_func): Only test the dead_lock_vect
2965 for automata that have locked states.
2966 (output_statistics): Always print the number of locked states for
2967 each automaton. Calculate total number of locked states here.
2968 (write_automata): Don't call output_dfa_max_issue_rate.
2969 * genattrtab.c: Define length_unit_log as a const variable.
2970 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2971 max_insn_queue_index const.
2972 * final.c (length_unit_log): Declare const.
2973 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2975 2006-01-22 Zack Weinberg <zackw@panix.com>
2977 * genautomata.c: Include vec.h, not varray.h.
2978 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2979 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2980 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2981 VEC_* macros operating on appropriately typed vectors, or to
2982 malloced arrays when the size is known in advance. Const-ify
2983 many char* variables and function arguments. No functional changes.
2984 * Makefile.in (build/varray.o): Delete rule.
2985 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2986 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2988 2006-01-22 Zack Weinberg <zackw@panix.com>
2990 * gensupport.c: Define get_insn_name and record_insn_name here.
2991 (read_md_rtx): Call record_insn_name as appropriate.
2992 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2993 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2994 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2996 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2997 (BUILD_VARRAY): Delete.
2998 (genprognormal): Rename genprogmd. Fold in all programs from
2999 genprognoprint; also attrtab.
3000 (build/genattrtab): Just mention genautomata.o and varray.o.
3001 Reorganize a bit, add comments to make the categories clearer.
3003 2006-01-22 Zack Weinberg <zackw@panix.com>
3005 * genconditions.c (condition_table, add_condition): Delete.
3006 (write_conditions): Don't emit n_insn_conditions nor
3007 insn_elision_unavailable. Issue the gcc version #ifdef here,
3008 inside the table, with no #else clause ...
3009 (write_header): ...not here.
3010 (write_writer): New function.
3011 (main): Don't initialize condition_table. Use add_c_test.
3013 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3014 files on the command line.
3015 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3016 Return -1 if there is no entry in the table, don't abort.
3017 (add_c_test, traverse_c_tests): New functions.
3018 * gensupport.h (insn_elision_unavailable, insn_conditions)
3019 (n_insn_conditions): Delete declarations.
3020 (add_c_test, traverse_c_tests): Declare.
3021 * read-rtl.c: Include gensupport.h.
3022 (read_conditions): New function.
3023 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3024 (read_rtx_1): If we get EOF when we were looking for an initial
3025 open paren, return 0. Call read_conditions when appropriate.
3026 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3027 dummy-conditions.o. Eliminate references to insn-conditions.o,
3028 or change them to build/gencondmd.o, as appropriate. Remove
3029 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3030 from $(simple_generated_c). For all files remaining in those
3031 two lists, add insn-conditions.md to the generator command line.
3032 Give insn-constants.h/s-constants their own rules. Add rules
3033 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3034 (build/read-rtl.o): Depend on gensupport.h.
3035 (genprognormal): Include preds.
3036 (genprogearly): Rename genprognoprint; only difference is now that
3037 they don't link with $(BUILD_PRINT).
3038 * dummy-conditions.c: Delete.
3040 2006-01-22 Zack Weinberg <zackw@panix.com>
3042 * genextract.c: Don't include insn-config.h. Do include vec.h.
3043 Declare vectors of int, char, and locstr.
3044 (locstr): New typedef.
3045 (struct extraction): Make all array fields into bare pointers.
3046 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3047 (insn_code_number): Delete.
3048 (accum_extract): New struct.
3049 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3050 (gen_insn): Take insn_code_number as an argument. Use an
3051 accum_extract structure instead of loading data directly into
3052 a struct extraction, and having to know how big it might get.
3053 (walk_rtx): Operate entirely on an accum_extract structure.
3054 (print_path): Avoid unnecessary use of printf.
3055 (print_header): New function, split out of main. Distinguish
3056 more carefully between an unrecognizable insn and an insn that
3057 has the code number of a define_expand.
3058 (main): Pass insn_code_number to gen_insn. Call print_header
3059 only after parsing. Avoid unnecessary use of printf.
3060 * Makefile.in (build/vec.o): New rule.
3061 (build/genextract): Depend on build/vec.o.
3062 (build/genextract.o): Don't depend on insn-config.h.
3064 2006-01-22 Zack Weinberg <zackw@panix.com>
3066 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3067 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3068 practical. Eliminate per-generator-program link rules.
3070 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3073 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3074 with a call expr to ...
3075 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3077 2006-01-23 Richard Guenther <rguenther@suse.de>
3079 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3080 before make_edge with conditional EDGE_TRUE_VALUE.
3082 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3083 Jan Hubicka <jh@suse.cz>
3084 Richard Guenther <rguenther@suse.de>
3086 PR rtl-optimization/25654
3087 * cfgexpand.c (aggregate_contains_union_type): New function.
3088 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3089 for structure variables that contain a union type.
3091 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3093 * gengtype.c (new_structure): Return the structure.
3094 (create_option): Add an extra "next" argument.
3095 (create_field): New function.
3096 (adjust_field_rtx_def): Use create_option and create_field.
3097 Remove a now-unnecessary call to find_structure.
3098 (adjust_field_tree_def): Likewise.
3099 (note_yacc_type): Remove an unnecessary call to find_structure.
3100 * gengtype.h (new_structure): Return the structure.
3101 (create_option): Add an extra argument.
3102 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3103 (option): Adjust calls to create_option.
3105 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3107 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3109 2006-01-22 Paul Brook <paul@codesourcery.com>
3110 Peter Barada <peter@the-baradas.com>
3112 * config/m68k/m68k.md: Add Coldfire FPU support.
3113 Define FP mode macro and associated attributes.
3114 Use it for float mode patterns.
3115 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3116 (LIBCALL_VALUE): Use m68k_libcall_value.
3117 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3118 (m68k_function_value): Ditto.
3119 (emit_move_sequence): Ditto.
3120 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3121 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3122 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3123 (MULTILIB_EXCEPTIONS): Ditto.
3124 * config/m68k/m68k.opt: Add mcfv4e.
3125 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3126 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3127 (m68k_output_function_prologue): Save ColdFire FPU registers.
3128 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3129 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3130 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3131 ColdFire FPU registers.
3132 (m68k_libcall_value, m68k_function_value): New functions.
3133 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3134 (LIBCALL_VALUE): Use m68k_libcall_value.
3135 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3136 (MASK_COLDFIRE): Add MASK_CFV4E.
3137 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3138 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3139 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3140 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3141 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3142 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3143 * doc/invoke.tex: Document -mcfv4e on m68k.
3145 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3147 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3150 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3153 * c-opts.c (c_common_handle_option): Don't include
3154 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3155 * doc/invoke.texi (C++ Dialect Options): Document that
3156 -Wnon-virtual-dtor is no longer included in -Wall.
3158 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3160 * gcov.c (print_version), gcov-dump.c (print_version),
3161 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3164 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3166 * df-scan.c (problem_SCAN): Added NULL reset function.
3167 (df_scan_reset_blocks): Added code to call reset block function
3168 (df_bb_refs_delete) Fixed comment.
3169 (df_insn_refs_delete): Made tolerant of deleting non existent info
3170 for dataflow problems that need to be reset.
3171 * df-core.c (df_set_blocks): Ditto.
3172 * df.h (struct df_problem): Added reset_fun.
3173 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3174 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3175 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3176 functions to clear out all references to def-use or use-def chains.
3178 2006-01-21 Ben Elliston <bje@au.ibm.com>
3180 * varasm.c (assemble_real): Initialise data array.
3182 2006-01-20 Paul Brook <paul@codesourcery.com>
3184 Merge from csl-arm-branch.
3185 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3186 * config/arm/arm.md (movdi): Force operands[1] to a register
3187 if we have a non-register source.
3188 (*arm_movdi, *movdf_soft_insn): Require that one of the
3189 operands be a register.
3190 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3191 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3193 2006-01-20 DJ Delorie <dj@redhat.com>
3195 * varasm.c (initialize_constant_valid_p): Allow pointers
3196 initialized from integer constants of lesser precision.
3197 (output_constant): Allow non-int-sized pointer modes to be
3198 initialized from integer constants.
3200 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3203 * cppdefault.h (struct default_include): Add multilib flag.
3204 * cppdefault.c (cpp_include_defaults): Set it.
3205 * c.opt (-imultilib): New option.
3206 * c-opts.c (imultilib): New.
3207 (c_common_handle_option): Handle -imultilib.
3208 (c_common_post_options): Likewise.
3209 * c-incpath.c (add_standard_paths, register_include_chains):
3211 * c-incpath.h (register_include_chains): Add extra parameter.
3212 * gcc.c (do_spec_1): Generate -imultilib option.
3213 (The Specs Language): Update %I description.
3214 (process_command): Update copyright notice.
3215 * doc/cppopts.texi (-imultilib): Document.
3216 * doc/invoke.texi (-imultilib): Include in option summary.
3217 (%I): Update specs documentation.
3219 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3221 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3223 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3225 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3228 2006-01-20 Richard Guenther <rguenther@suse.de>
3229 Steven Bosscher <stevenb.gcc@gmail.com>
3231 PR rtl-optimization/24626
3232 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3233 EDGE_TRUE_VALUE if in RTL mode.
3236 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3237 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3239 2006-01-20 Dirk Mueller <dmueller@suse.com>
3242 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3243 instead of a special NOP marker.
3244 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3245 NOP marker handling.
3246 * c-common.h (empty_body_warning): Add forward declaration.
3247 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3248 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3250 2006-01-20 Paul Brook <paul@codesourcery.com>
3252 * Makefile.in (lang_checks): Keep going if mkdir fails.
3254 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3256 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3257 be able to clean out basic block when not necessary.
3258 (df_scan_free): Fixed to properly delete information if df is
3259 unused before calling df_finish.
3260 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3261 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3263 (df_bb_refs_delete): New function.
3264 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3265 * df-core.c (df_set_blocks): Added code to properly clean out
3266 unused blocks if they are not part of the blocks to consider.
3267 Added additional null check.
3268 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3269 be able to clean out basic block when not necessary
3270 * df.h (df_free_bb_function): Ditto.
3271 (df_bb_refs_delete): New function.
3272 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3273 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3274 basic block parameter to be able to clean out basic block when not
3276 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3277 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3278 Fixed to properly delete information if df is unused before
3281 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3283 PR rtl-optimization/25799
3284 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3285 Corrected confluence operator to remove bits from op2 before oring
3286 with op1 rather than removing bits from op1.
3287 (df_ru_transfer_function): Corrected test on wrong bitmap which
3288 caused infinite loop. Both of these problems were introduced in
3289 the dataflow rewrite.
3291 2006-01-19 DJ Delorie <dj@redhat.com>
3293 * reload1.c (find_reload_regs): Note the details of reload
3294 failures in the dump file.
3295 (spill_failure): Likewise.
3297 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3299 * loop-iv.c: Include df.h and hashtab.h.
3300 (enum iv_grd_result): New enum.
3301 (DF_REF_IV, DF_REF_IV_SET): New macros.
3302 (struct biv_entry): New.
3303 (df, bivs): New global variables.
3304 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3305 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3307 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3308 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3309 analyzed_for_bivness_p, record_biv): New functions.
3310 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3311 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3312 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3314 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3316 (iv_number_of_iterations): Use new interface to iv analysis.
3317 * loop-unroll.c: Do not include varray.h.
3318 (analyze_iv_to_split_insn): Use new interface to iv
3320 * loop-unswitch.c (may_unswitch_on): Ditto.
3321 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3323 (df_bb_modify): Realloc tables to the new index.
3324 (df_find_use): New function.
3325 * df.h (df_find_use): Declare.
3326 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3328 * cfgloop.h (struct rtx_iv): Remove analysed field.
3329 (iv_get_reaching_def): Removed.
3330 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3331 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3332 (loop-iv.o): Add df.h and hashtab.h dependency.
3333 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3335 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3338 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3340 (__floatundisf, __floatundidf): Likewise.
3341 * libgcc2.h (IS_IBM_EXTENDED): Define.
3343 2006-01-19 DJ Delorie <dj@redhat.com>
3345 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3347 2006-01-19 Paul Brook <paul@codesourcery.com>
3349 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3350 as nothrow when unwinding tables are disabled.
3352 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3355 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3356 of bit-field" when in system header.
3358 2006-01-19 DJ Delorie <dj@redhat.com>
3360 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3361 the 16 bit shift limit of the m16c.
3363 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3366 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3367 * config/i386/i386.c (output_set_got): Output the label if we have one
3368 for the TARGET_DEEP_BRANCH_PREDICTION case.
3370 2006-01-19 Jan Hubicka <jh@suse.cz>
3371 H.J. Lu <hongjiu.lu@intel.com>
3372 Evandro Menezes <evandro.menezes@amd.com>
3374 * invoke.texi (generic): Document
3376 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3377 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3378 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3379 (x86_use_incdec, x86_pad_returns): New variables
3380 (TARGET_CPU_DEFAULT_generic): New constant
3381 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3382 (enum processor_type): Add generic32 and generic64.
3383 * i386.md (cpu attribute): Add generic32/generic64
3384 (movhi splitter): Behave sanely when both partial_reg_dependency and
3385 partial_reg_stall are set.
3386 (K8 splitters): Enable for generic as well.
3387 * predicates.md (incdec_operand): Use TARGET_INCDEC
3388 (aligned_operand): Avoid memory mismatch stalls.
3389 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3390 * ppro.md: Enable for generic32
3391 * i386.c (generic64_cost, generic32_cost): New.
3392 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3393 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3394 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3395 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3396 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3397 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3398 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3399 x86_accumulate_outgoing_args, x86_prologue_using_move,
3400 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3401 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3403 (x86_use_incdec, x86_pad_returns): New.
3404 (override_options): Add generic32 and generic64, translate "generic"
3405 to generic32/generic64 and "i686" to "generic32", refuse
3406 "generic32"/"generic64" as arch target.
3407 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3408 (ix86_reorg): Honor PAD_RETURNS.
3410 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3412 * tree-pretty-print.c (dump_generic_node): Handle
3413 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3414 * cgraph.c (cgraph_expand_queue): Rename from
3415 cgraph_analyze_queue. Update all users.
3416 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3417 cgraph_expand_queue.
3418 (cgraph_expand_all_functions): Likewise.
3419 (cgraph_finalize_pending_functions): Remove. Update callers.
3421 * tree.h (OMP_DIRECTIVE_P): Define.
3422 (OMP_PARALLEL_FN): Define.
3423 (OMP_PARALLEL_DATA_ARG): Define.
3424 (OMP_SECTIONS_SECTIONS): Define.
3425 * tree-pass.h (pass_expand_omp): Declare.
3426 * omp-low.c (struct omp_region): Declare.
3427 (struct omp_context): Remove fields 'parallel_type',
3428 'parallel_start_ix' and 'parallel_start_additional_args'.
3430 (struct omp_for_data): Rename from struct expand_omp_for_data.
3431 (omp_regions): New static variable.
3432 (root_omp_region): New static variable.
3433 (find_omp_clause): Make static.
3434 (is_in_combined_parallel_ctx): Remove.
3435 (is_combined_parallel): New.
3436 (extract_omp_for_data): Move earlier in the file.
3437 (workshare_safe_to_combine_p): New.
3438 (get_ws_args_for): New.
3439 (determine_parallel_type): Move earlier in the file.
3440 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3442 (omp_copy_decl): Likewise.
3443 (create_omp_child_function): Likewise.
3444 (lookup_omp_region): New.
3445 (dump_omp_region): New.
3446 (debug_omp_region): New.
3447 (debug_all_omp_regions): New.
3448 (new_omp_region): New.
3449 (scan_omp_parallel): If parallel_nesting_level > 1, the
3450 directive is nested within another parallel directive.
3451 Set OMP_PARALLEL_FN.
3452 (scan_omp_for): Do not try to handle combined parallel+for
3454 Remove FIXME comment.
3455 (scan_omp_nested): Remove.
3456 (scan_omp_1): Do not call scan_omp_nested when
3457 parallel_nesting_level is > 1.
3458 Do not change the DECL_CONTEXT of local variables found.
3459 (lookup_decl_in_outer_ctx): New.
3460 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3461 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3462 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3463 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3464 If CTX is nested, lookup VAR in the outer context when
3465 building copy assignment.
3466 (lower_send_clauses): Rename from expand_send_clauses.
3467 If CTX is nested, lookup VAR in the outer context when
3468 building copy assignments.
3469 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3470 If CTX is nested, lookup VAR in the outer context when
3471 building copy assignments.
3472 (expand_parallel_call): Rename from build_parallel_call.
3473 Handle combined parallel+workshare cases.
3474 Re-implement to emit code into the CFG.
3476 (expand_omp_parallel): Re-implement to emit code into the CFG.
3477 Call move_sese_region_to_fn to outline the sub-graph
3478 containing the parallel region.
3479 (expand_omp_for_1): Remove.
3480 (expand_omp_for_generic): Re-implement to emit code into the
3482 (expand_omp_for_static_nochunk): Likewise.
3483 (expand_omp_for_static_chunk): Likewise.
3484 (expand_omp_for): Likewise.
3485 (expand_omp_sections): Likewise.
3486 (remove_exit_barriers): New.
3487 (expand_omp_synch): New.
3489 (build_omp_regions_1): New.
3490 (build_omp_regions): New.
3491 (execute_expand_omp): New.
3492 (gate_expand_omp): New.
3493 (pass_expand_omp): Define.
3494 (lower_omp_sections): Rename from expand_omp_sections.
3495 Set OMP_SECTIONS_SECTIONS.
3496 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3497 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3498 (lower_omp_single): Rename from expand_omp_simple.
3499 (lower_omp_master): Rename from expand_omp_master.
3500 (lower_omp_ordered): Rename from expand_omp_ordered.
3501 (lower_omp_critical): Rename from expand_omp_critical.
3502 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3503 (lower_omp_for): Re-implement.
3504 (lower_omp_parallel): Re-implement.
3505 (lower_regimplify): Rename from expand_regimplify.
3506 (lower_omp_1): Rename from expand_omp_1.
3507 If there are syntax errors in the program, replace every
3508 OpenMP directive with NOP.
3509 Call lower_omp_* instead of expand_omp_*.
3510 (lower_omp): Rename from expand_omp.
3512 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3513 * tree-gimple.h (enum omp_parallel_type): Remove.
3514 (gimple_boolify): Declare extern.
3515 (find_omp_clause, determine_parallel_type): Remove.
3517 * gimple-low.c (lower_omp_directive): New.
3518 (lower_stmt): Call it.
3519 (record_vars_into): Move from ...
3520 (record_vars): ... here.
3521 Call record_vars_into with current_function_decl.
3523 * gimplify.c (struct gimplify_ctx): Remove fields
3524 combined_pre_p and combined_ctxp. Update users.
3525 (get_formal_tmp_var): Add documentation.
3526 (gimple_boolify): Make extern.
3527 (gimplify_expr_in_ctx): Remove. Update callers.
3528 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3529 will always be a BIND_EXPR.
3530 (gimplify_expr): Handle OMP_RETURN_EXPR.
3531 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3532 (OMP_PARALLEL): Add 3 operands.
3533 (OMP_SECTIONS): Add 1 operand.
3534 (OMP_RETURN_EXPR): Define.
3536 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3537 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3538 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3539 creating a circular free list.
3540 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3542 * tree-flow.h (move_sese_region_to_fn): Declare.
3543 (record_vars_into): Declare.
3544 * tree-cfg.c (make_omp_sections_edges): New.
3545 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3546 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3547 OMP_SECTIONS and OMP_SECTION.
3548 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3549 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3550 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3551 (gather_blocks_in_sese_region): New.
3552 (struct move_stmt_d): Declare.
3554 (move_block_to_fn): New.
3555 (move_sese_region_to_fn): New.
3557 * passes.c (init_optimization_passes): Schedule
3558 pass_expand_omp after pass_init_datastructures.
3560 * tree-ssa-operands.c (get_expr_operands): Handle
3561 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3562 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3564 2006-01-19 Jeff Law <law@redhat.com>
3566 * tree-vrp.c (extract_range_from_assert): Refine the result range
3567 if the variable referenced by the ASSERT_EXPR has a range and
3568 either the tentative result range or the previous range is a
3571 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3573 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3575 2006-01-19 Jan Hubicka <jh@suse.cz>
3577 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3579 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3581 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3582 (expand_compound_operation, expand_field_assignment): Fail if the
3583 bit lengths of an extract operation are out of range.
3584 (make_extraction): Compute wanted_inner_mode based on the position
3585 and length of the extraction. Make it extraction_mode for non-constant
3586 positions, and do not modify offset in that case. When generating a
3587 new MEM, use a mode that can hold the extraction while keeping correct
3588 alignment. Remove code that supported MEMs wrapped by USEs.
3589 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3591 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3593 * config/s390/s390.md ("Y", "y"): New mode attribute.
3594 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3595 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3596 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3597 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3598 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3599 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3600 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3601 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3602 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3603 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3604 "addsi3", "subsi3"): Insn patterns removed.
3605 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3606 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3607 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3608 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3609 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3610 "*sub<mode>3_cconly2"): New insn patterns.
3611 ("addsi3", "subsi3"): New expanders.
3613 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3615 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3616 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3617 existing STMT_VINFO_VECTYPE if available.
3618 (vect_mark_relevant): Add special handling for stmts that are
3619 marked as STMT_VINFO_IN_PATTERN_P.
3620 (vect_analyze_loop): Call vect_pattern_recog.
3621 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3622 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3624 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3625 (vect_recog_func_ptr): New function-pointer type.
3626 * tree-vect-patterns.c: New file.
3627 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3628 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3629 (vect_pattern_recog_1): New functions.
3630 (vect_pattern_recog_funcs): New array of function pointers.
3632 * tree-vectorizer.h (ternary_op): New enum value.
3633 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3634 declaration. Revised documentation. Removed redundant dump prints.
3635 Removed redundant argument. Added support for reduction patterns.
3636 (vectorizable_reduction): Added support for reduction patterns.
3637 (vect_transform_stmt): Added support for patterns.
3639 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3640 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3641 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3642 (expand_widen_pattern_expr): New function.
3643 (init_optabs): Initialize new optabs udot_prod_optab,
3645 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3646 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3647 (expand_widen_pattern_expr): New function declaration.
3648 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3650 * tree-inline.c (estimate_num_insns_1): Added cases for new
3651 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3652 * tree-pretty-print.c (dump_generic_node): Likewise.
3653 (op_prio): Likewise.
3654 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3655 * tree-ssa-operands.c (get_expr_operands): Added case for
3657 * tree-vect-patterns.c (widened_name_p): New function.
3658 (vect_recog_dot_prod_pattern): Added function implementation.
3659 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3660 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3661 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3662 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3664 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3665 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3666 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3667 (init_optabs): Initialize new optabs widen_ssum_optab,
3669 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3670 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3671 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3672 use instead of type of def.
3673 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3674 function implementation.
3675 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3676 widen_ssumv8hi): New.
3678 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3681 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3684 * c-decl.c (add_flexible_array_elts_to_size): New function.
3685 (finish_decl): Use it.
3687 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3689 * diagnostic.h: Include options.h.
3690 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3691 dependancies for diagnostic.h.
3692 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3694 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3696 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3697 (ssa_ro_call_cache_valid): Ditto.
3698 * tree-ssa-alias.c (sort_tags_by_id): New function.
3699 (init_transitive_clobber_worklist): Ditto.
3700 (add_to_worklist): Ditto.
3701 (mark_aliases_call_clobbered): Ditto.
3702 (compute_tag_properties): Ditto.
3703 (set_initial_properties): Ditto.
3704 (compute_call_clobbered): Ditto.
3705 (compute_may_aliases): Call compute_call_clobbered and grouping.
3706 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3707 (compute_flow_insensitive_aliasing): Grouping now happens in our
3709 (setup_pointers_and_addressables): Remove clobbering related code.
3710 (add_may_alias): Ditto.
3711 (replace_may_alias): Ditto.
3712 (get_nmt_for): Ditto.
3713 (create_global_var):
3714 (is_escape_site): Return an escape_type enumeration.
3715 * tree-flow-inline.h (is_call_clobbered): Global var does not
3716 imply call clobbered.
3717 (mark_call_clobbered): Take a reason for marking this. Remove
3718 marking of globalness, and cache invalidation.
3719 (clear_call_clobbered): Remove cache invalidation code.
3720 * tree-dfa.c (dump_variable): If details is on, dump the reason
3722 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3724 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3725 (struct var_ann_d): Ditto.
3726 (enum escape_type): New.
3727 (mark_call_clobbered): Adjust prototype.
3728 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3729 are never call clobbered.
3730 Record reasons for escaping.
3731 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3732 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3733 (ssa_ro_call_cache_valid): Ditto.
3734 (clobbered_v_may_defs): Ditto.
3735 (clobbered_vuses): Ditto.
3736 (ro_call_vuses): Ditto.
3737 (clobber_stats): New.
3738 (init_ssa_operands): Zero out clobber stats.
3739 (fini_ssa_operands): Print out clobber stats.
3740 (get_call_expr_operands): Pass callee fndecl to
3742 (add_call_clobber_ops): Remove use of cache.
3743 Add use of PURE_CONST information.
3744 (add_call_read_ops): Remove use of cache.
3745 Add use of static not_read information.
3747 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3749 Introduce TLS descriptors for i386 and x86_64.
3750 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3751 (TARGET_ANY_GNU_TLS): New macro.
3752 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3753 (struct machine_function): Add tls_descriptor_call_expanded_p.
3754 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3755 (ix86_current_function_calls_tls_descriptor): Likewise.
3756 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3757 (override_options): Introduce gnu2 tls dialect.
3758 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3760 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3762 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3763 (ix86_init_machine_status): Initialize new field.
3764 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3765 (ix86_tls_module_base): New.
3766 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3767 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3768 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3769 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3770 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3771 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3772 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3773 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3774 * config/i386/predicates.md (tls_modbase_operand): New.
3775 (tp_or_register_operand): New.
3777 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3779 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3780 (look_for_address_of): Ditto.
3781 (ipa_init): Walk the function decls.
3782 (static_execute): Don't set readonly on FUNCTION_DECL's.
3784 2006-01-18 Roger Sayle <roger@eyesopen.com>
3786 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3787 for shifts where the source and destination registers are different.
3789 2006-01-18 Paul Brook <paul@codesourcery.com>
3791 Merge from csl-arm-branch.
3792 2005-03-14 Julian Brown <julian@codesourcery.com>
3793 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3794 (aeabi_llsl): Likewise.
3795 (ashrdi3): Likewise.
3796 (aeabi_lasr): Likewise.
3797 (lshrdi3): Likewise.
3798 (aeabi_llsr): Likewise.
3799 2005-03-10 Julian Brown <julian@codesourcery.com>
3800 * config.gcc: Disable shared libgcc for SymbianOS.
3801 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3803 2006-01-18 DJ Delorie <dj@redhat.com>
3805 * c-pragma.c (handle_pragma_diagnostic): New.
3806 (init_pragma): Register it.
3807 * doc/extend.texi: Document it.
3809 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3810 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3811 (diagnostic_context): Add classify_diagnostic[].
3812 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3813 as errors if they're overridden to DK_WARNING.
3814 (diagnostic_initialize): Initialize classify_diagnostic[].
3815 (diagnostic_set_kind_override): New.
3816 (diagnostic_report_diagnostic): Check for kind changes.
3817 * opts.c (common_handle_option): Take lang_mask. Update callers.
3819 * common.opt (Werror=): New.
3820 * doc/invoke.texi: Document -Werror=*
3822 2006-01-18 Jeff Law <law@redhat.com>
3824 * tree-vrp.c (test_for_singularity): Correct test for new
3825 min limit. Use operand_equal_p rather than pointer equality
3826 for testing if new min/max values are equal.
3828 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3829 using range information until after propagation and folding.
3831 2006-01-18 Richard Henderson <rth@redhat.com>
3832 Aldy Hernandez <aldyh@redhat.com>
3833 Jakub Jelinek <jakub@redhat.com>
3834 Diego Novillo <dnovillo@redhat.com>
3836 * omp-low.c: New file.
3837 * c-omp.c: New file.
3839 2006-01-18 Richard Henderson <rth@redhat.com>
3840 Jakub Jelinek <jakub@redhat.com>
3841 Diego Novillo <dnovillo@redhat.com>
3843 * doc/invoke.texi: Document -fopenmp.
3844 * tree-dump.h (debug_function): Declare.
3845 * hooks.c (hook_bool_tree_bool_false): New function.
3846 (hook_tree_tree_null): Remove.
3847 (hook_tree_tree_tree_null): New.
3848 * hooks.h: Update to match.
3849 * tree-pretty-print.c (debug_tree_chain): New.
3850 (print_generic_expr): Handle TDF_CHAIN.
3851 (dump_generic_node): Handle BLOCK.
3852 Do not abort with incomplete SWITCH_EXPRs.
3853 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3854 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3855 print space after directive name.
3856 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3857 Handle OMP_MASTER and OMP_ORDERED.
3858 Handle printing of OMP_BODY just in one place, goto
3859 dump_omp_body in the rest of OMP_* nodes that have
3861 Don't handle clause nodes here. Update omp statements to
3862 use dump_omp_clauses.
3863 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3864 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3865 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3866 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3867 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3868 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3869 Adjust output for GOMP_PARALLEL.
3870 (dump_omp_clauses): New.
3871 (print_declaration): Dump DECL_VALUE_EXPR.
3872 (op_symbol_1): Split out of op_symbol.
3873 (dumping_stmts): Remove. Update all users.
3874 * cgraph.c (cgraph_analyze_queue): New.
3875 (cgraph_add_new_function): New.
3876 * cgraph.h (cgraph_analyze_queue): Declare.
3877 (cgraph_add_new_function): Declare.
3878 (cgraph_lower_function): Remove.
3879 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3880 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3881 and TYPE_P nodes in its default clause.
3882 (empty_body_p): New.
3883 (tree_range_check_failed): New.
3885 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3886 OMP_CLAUSE_REDUCTION_MERGE,
3887 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3888 OMP_CLAUSE_PRIVATE_DEBUG,
3889 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3890 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3891 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3892 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3893 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3894 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3895 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3896 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3897 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3898 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3899 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3900 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3901 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3902 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3903 (TREE_RANGE_CHECK): New.
3904 (empty_body_p): Declare.
3905 (enum omp_clause_default_kind): New.
3906 (build_string_literal): Declare.
3907 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3908 (build5_stat, build5): Declare.
3909 * tree-pass.h (TDF_CHAIN): Define.
3910 * tree-pass.h (PROP_gimple_lomp): Define.
3911 (pass_lower_omp): Declare.
3912 * diagnostic.h (debug_tree_chain): Declare.
3913 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3915 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3916 * builtins.c (build_string_literal): Make extern.
3917 * gcc.c (include_spec_function): New.
3918 (static_spec_functions): Add it.
3919 (main): Move load of libgomp.spec ...
3920 (LINK_COMMAND_SPEC): ... here.
3921 (link_gomp_spec): New.
3922 (static_specs): Include it.
3923 (LINK_COMMAND_SPEC): Add link_gomp.
3924 (GOMP_SELF_SPECS): New.
3925 (driver_self_specs): Include it.
3926 (switch_matches): Don't mark inline.
3927 (main): Load libgomp.spec.
3928 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3929 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3930 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3931 * tree-gimple.h (enum omp_parallel): Declare.
3932 (determine_parallel_type): Declare.
3933 (omp_firstprivatize_variable): Declare.
3934 (omp_reduction_init): Declare.
3935 (diagnose_omp_structured_block_errors): Declare.
3936 (struct walk_stmt_info): Add want_return_expr.
3937 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3938 (find_omp_clause): Declare.
3939 (insert_field_into_struct): Declare.
3940 (struct walk_stmt_info): Move from tree-nested.c
3941 (walk_stmts): Declare.
3942 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3944 * cgraphunit.c (cgraph_lower_function): Make static.
3945 (cgraph_finalize_pending_functions): New.
3946 (cgraph_finalize_function): Call it.
3947 (cgraph_finalize_compilation_unit): Likewise.
3948 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3949 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3950 (BT_FN_UINT_UINT): New.
3951 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3952 DEF_FUNCTION_TYPE_VAR_4): Document.
3953 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3954 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3955 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3956 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3957 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3958 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3959 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3960 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3961 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3962 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3963 into separate files.
3964 (DEF_GOMP_BUILTIN): New.
3965 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3966 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3967 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3968 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3969 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3970 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3971 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3972 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3973 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3974 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3975 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3976 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3977 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3978 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3979 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3980 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3981 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3982 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3983 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3984 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3985 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3986 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3987 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3988 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3989 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3990 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3991 * sync-builtins.def: New file, moved from builtins.def.
3992 * omp-builtins.def: New file, moved from builtins.def.
3993 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3994 * gimple-low.c (lower_function_body): Clear data.
3995 (lower_stmt): Do not handle COMPOUND_EXPR.
3996 Remove call to print_node_brief.
3997 * c-tree.h (c_finish_omp_clauses): New prototype.
3998 (C_DECL_THREADPRIVATE_P): Define.
3999 (lookup_name_no_remap, c_omp_remap_private): Remove
4000 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4001 (check_for_loop_decls): Update decl.
4002 (lookup_name_no_remap, c_omp_remap_private): Declare.
4003 (build_indirect_ref, build_modify_expr, pushdecl,
4004 pushdecl_top_level): Move to c-common.h.
4005 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4006 before the switch, but just in the 2 places that need it.
4007 * c-decl.c (diagnose_mismatched_decls): Do not check for
4008 mismatched thread-local attributes when OLDDECL is marked
4009 threadprivate and NEWDECL has no thread-local attributes.
4010 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4011 (c_gimple_diagnostics_recursively): Rename from
4012 c_warn_unused_result_recursively. Invoke
4013 diagnose_omp_structured_block_errors.
4014 (check_for_loop_decls): Return a singular decl found.
4015 * langhooks.c (lhd_omp_predetermined_sharing): Return
4016 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4017 (lhd_omp_firstprivatize_type_sizes): New.
4018 (lhd_omp_assignment): New.
4019 (lhd_omp_predetermined_sharing): New.
4020 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4021 (struct lang_hooks_for_types): Add
4022 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4023 omp_predetermined_sharing, omp_disregard_value_expr,
4024 omp_private_debug_clause, omp_clause_default_ctor,
4025 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4026 (c_finish_omp_clauses): New.
4027 (c_finish_bc_stmt): Diagnose break within omp for.
4028 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4029 (build_unary_op): Return error_mark after reporting
4031 (build_modify_expr): Likewise.
4032 * gimplify.c: Include optabs.h and pointer-set.h.
4033 (enum gimplify_omp_var_data): Declare.
4034 (struct gimplify_omp_ctx): Declare.
4035 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4037 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4038 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4039 (splay_tree_compare_decl_uid): New.
4040 (new_omp_context): New.
4041 (delete_omp_context): New.
4042 (gimple_add_tmp_var): Call omp_add_variable.
4043 (gimplify_bind_expr): Likewise.
4044 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4045 true, disregard DECL_VALUE_EXPR on the decl if any.
4046 (gimplify_expr_in_ctx): New.
4047 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4048 omp_add_variable, omp_notice_variable, omp_is_private
4049 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4050 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4051 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4052 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4053 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4054 gimplify_omp_atomic): New.
4055 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4056 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4057 OMP_CRITICAL and OMP_ATOMIC.
4058 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4059 * c-pragma.h (enum pragma_kind): Add
4060 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4061 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4062 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4063 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4064 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4065 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4066 PRAGMA_OMP_THREADPRIVATE.
4067 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4068 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4069 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4070 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4071 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4072 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4073 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4074 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4075 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4076 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4077 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4078 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4079 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4081 (struct nesting_info): Add field_map,
4082 suppress_expansion, debug_var_chain.
4083 (create_nesting_tree): Initialize them.
4084 (lookup_field_for_decl): Use field_map.
4085 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4086 (convert_local_omp_clauses): New.
4087 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4088 (walk_body): Split out of walk_function.
4089 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4090 (convert_nonlocal_reference): Handle omp statements.
4091 (convert_local_reference): Likewise.
4092 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4093 (unnest_nesting_tree): New.
4094 (lower_nested_functions): Call it.
4095 (insert_field_into_struct): Make extern.
4096 (struct walk_stmt_info): Move to tree-gimple.h.
4097 (walk_stmts): Make extern.
4098 * omp-builtins.def: New file.
4099 * tree-iterator.c (expr_only): Clarify comment.
4100 * c-common.h (pushdecl_top_level, pushdecl,
4101 build_modify_expr, build_indirect_ref,
4102 c_finish_omp_master, c_finish_omp_critical,
4103 c_finish_omp_ordered, c_finish_omp_barrier,
4104 c_finish_omp_atomic, c_finish_omp_flush,
4105 c_finish_omp_for, c_split_parallel_clauses,
4106 omp_clause_default_kind, c_omp_sharing_predetermined,
4107 c_omp_remap_decl): Declare.
4108 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4109 (OBJS-common): Add omp-low.o.
4110 (c-omp.o, omp-low.o): Add.
4111 (gimplify.o): Add dependency on $(OPTABS_H).
4112 (GTFILES): Add omp-low.c.
4113 (gt-stringpool.h): Add.
4114 * tree-cfg.c (set_bb_for_stmt): Do not update the
4115 block-to-labels map if we are currently expanding to RTL.
4116 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4118 Handle IDENTIFIER_NODE.
4119 (tree_verify_flow_info): Do not ICE when emitting error
4120 messages about invalid labels.
4121 (dump_function_to_file): Reset CFUN before emitting the body
4123 (debug_function): New.
4124 * passes.c (init_optimization_passes): Schedule
4126 * langhooks-def.h (lhd_omp_predetermined_sharing,
4127 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4129 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4130 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4131 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4132 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4133 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4134 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4135 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4136 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4137 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4138 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4139 (LANG_HOOK_DECLS): Use them.
4141 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4142 Richard Henderson <rth@redhat.com>
4143 Jakub Jelinek <jakub@redhat.com>
4144 Diego Novillo <dnovillo@redhat.com>
4146 * c-parser.c (pragma_omp_clause): Define.
4147 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4148 (c_parser_compound_statement): Likewise.
4149 (c_parser_statement): Likewise.
4150 (c_parser_pragma): Handle omp pragmas.
4151 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4152 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4153 (c_parser_omp_clause_name, check_no_duplicate_clause,
4154 c_parser_omp_variable_list,
4155 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4156 c_parser_omp_clause_copyprivate,
4157 c_parser_omp_clause_default,
4158 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4159 c_parser_omp_clause_lastprivate,
4160 c_parser_omp_clause_nowait,
4161 c_parser_omp_clause_num_threads,
4162 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4163 c_parser_omp_clause_reduction,
4164 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4165 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4166 c_parser_omp_atomic, c_parser_omp_barrier,
4167 c_parser_omp_critical, c_parser_omp_flush,
4168 c_parser_omp_for_loop, c_parser_omp_for,
4169 c_parser_omp_master, c_parser_omp_ordered,
4170 c_parser_omp_sections_scope, c_parser_omp_sections,
4171 c_parser_omp_parallel, c_parser_omp_single,
4172 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4173 * c-pragma.c (init_pragma): Do omp pragma registration here.
4174 * c.opt (fopenmp): New flag.
4176 2006-01-18 Eric Christopher <echristo@apple.com>
4178 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4179 * config/darwin.h (GOMP_SELF_SPECS): Define.
4181 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4183 * rtl.h: Remove the prototype for reg_alloc.
4185 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4188 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4189 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4190 sjlj and dwarf2 exception handling.
4191 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4192 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4193 * pa/pa.c (function_value): Treat complex and vector types as
4195 (function_arg): Likewise. Only pass scalar floats in the floating
4196 point argument registers.
4197 * pa/t-slibgcc-dwarf-ver: New file.
4198 * pa/t-slibgcc-sjlj-ver: New file.
4199 * pa/t-slibgcc-elf-ver: Delete file.
4201 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4203 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4204 unlikely_test_section_p test.
4206 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4208 * mode-switching.c (optimize_mode_switching): Make it static.
4209 * basic-block.h: Remove the prototype for
4210 optimize_mode_switching.
4212 * modulo-sched.c (sms_schedule): Make it static.
4213 * rtl.h: Remove the prototype for sms_schedule.
4215 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4216 * rtl.h: Remove the prototype for gcse_after_reload_main.
4218 * reg-stack.c (reg_to_stack): Make it static.
4219 * rtl.h: Remove the prototype for reg_to_stack.
4221 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4223 * rtl.h: Remove the prototypes for regrename_optimize and
4224 copyprop_hardreg_forward.
4226 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4228 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4229 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4230 Test against the appropriate null constant for the mode.
4231 If 'fixup_overlap' is true, swap the operands if they overlap.
4232 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4233 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4234 alpha_split_tmode_pair and adjust for above change.
4235 * config/alpha/alpha.md (movtf_internal): Adjust call to
4236 alpha_split_tfmode_pair and rely on it to swap the operands.
4237 (movti_internal): New insn and post-reload splitter.
4238 (movti): New expander.
4240 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4242 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4245 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4247 * rtlanal.c (global_reg_mentioned_p_1,
4248 global_reg_mentioned_p): Remove.
4249 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4251 * flow.c (initialize_uninitialized_subregs): Make it static.
4252 * rtl.h: Remove the prototype for
4253 initialize_uninitialized_subregs.
4255 * function.c (instantiate_virtual_regs): Make it static.
4256 * function.h: Remove the prototype for
4257 instantiate_virtual_regs.
4259 * regmove.c (regmove_optimize, combine_stack_adjustments):
4261 * rtl.h: Remove the prototypes for regmove_optimize and
4262 combine_stack_adjustments.
4264 2006-01-17 Roger Sayle <roger@eyesopen.com>
4266 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4267 (size_cost): Encode costs in bytes so that a reg-reg addition is
4268 equivalent to COSTS_N_INSNS(1).
4269 (override_options): Use the size_cost.branch_cost as the default
4270 ix86_branch_cost when optimizing for size.
4272 2006-01-18 Ben Elliston <bje@au.ibm.com>
4274 * Makefile.in (D32PBIT_FUNCS): New.
4275 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4276 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4277 D64PBIT_FUNCS and D128PBIT_FUNCS.
4278 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4279 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4281 (decnumber_dep): Define.
4282 * doc/libgcc.texi (Decimal float library routines): New node.
4283 * config/dfp-bit.h, config/dfp-bit.c: New files.
4285 2006-01-18 Ben Elliston <bje@au.ibm.com>
4287 * expr.c (emit_move_change_mode): Always adjust addresses, not
4288 just during reload. Copy replacements only during reload.
4289 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4290 emit_move_via_integer.
4292 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4294 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4295 instead of $(srcdir) and ${srcdir}.
4297 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4301 * arm.h (struct machine_function): Add pic_reg.
4302 * arm.c (arm_pic_register): Make unsigned.
4303 (arm_override_options): Only set arm_pic_register if
4304 TARGET_SINGLE_PIC_BASE.
4305 (use_return_insn): Only test for a pic register if it is fixed.
4306 (arm_compute_save_reg0_reg12_mask): Likewise.
4307 (thumb_compute_save_reg_mask): Likewise.
4308 (legitimate_pic_operand): Factor out some known invariants.
4309 (legitimize_pic_address): If we don't have a fixed pic register,
4310 then set up a pseudo in the function entry sequence. Handle the
4311 pic base being in a pseudo.
4312 (arm_load_pic_register): Handle the pic register being in a pseudo.
4313 (arm_expand_prologue): Only set up the pic register if it is fixed.
4314 (thumb_expand_prologue): Likewise.
4315 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4316 (pic_load_addr_based_insn): Likewise.
4317 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4320 2006-01-18 Ben Elliston <bje@au.ibm.com>
4322 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4323 decimal float modes for all floating point registers.
4325 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4326 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4328 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4331 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4332 even when the pointer is not NULL.
4334 2006-01-16 Ian Lance Taylor <ian@airs.com>
4336 * common.opt (ftoplevel-reorder): New option.
4337 * cgraph.c (cgraph_asm_nodes): New global variable.
4338 (cgraph_asm_last_node): New static variable.
4339 (cgraph_order): New global variable.
4340 (cgraph_create_node): Set new order field.
4341 (cgraph_varpool_node): Likewise.
4342 (decide_is_variable_needed): Return true if not
4343 flag_toplevel_reorder.
4344 (cgraph_add_asm_node): New function.
4345 * cgraph.h (struct cgraph_node): Add order field.
4346 (struct cgraph_varpool_node): Add order field.
4347 (struct cgraph_asm_node): Define.
4348 (cgraph_asm_nodes, cgraph_order): Declare.
4349 (cgraph_add_asm_node): Declare.
4350 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4352 (cgraph_varpool_assemble_pending_decls): Call it.
4353 (cgraph_output_pending_asms): New static function.
4354 (cgraph_finalize_compilation_unit): Call it.
4355 (struct cgraph_order_sort): Define.
4356 (cgraph_output_in_order): New static function.
4357 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4358 !flag_toplevel_reorder case.
4359 * c-parser.c: Include "cgraph.h".
4360 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4362 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4363 than -fno-unit-at-a-time.
4364 * doc/invoke.texi (Option Summary): Mention
4365 -fno-toplevel-reorder.
4366 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4367 -funit-at-a-time documentation.
4369 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4370 Kazu Hirata <kazu@codesourcery.com>
4372 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4374 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4376 * Makefile.in (FUNCTION_H): New. Use it instead of
4377 function.h throughout the file.
4378 * function.h: Include tree.h.
4380 2006-01-17 Ben Elliston <bje@au.ibm.com>
4382 * recog.c: Separate some functions with whitespace.
4384 2006-01-16 Richard Henderson <rth@redhat.com>
4386 Merge from gomp branch:
4387 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4388 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4389 and rename from struct inline_data. Rename callee* to dst*;
4390 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4391 transform_new_cfg, transform_return_to_modify, and
4392 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4394 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4395 (copy_decl_for_dup): Remove.
4396 * tree-inline.c (struct inline_data): Move to header.
4397 (insert_decl_map): Export.
4398 (remap_decl): Update for member name changes. Use copy_decl hook.
4399 Allow for replacement to be a non-decl. Remove dead code.
4400 (remap_type_1): Check for existing mapping.
4401 (remap_type): Export.
4402 (remap_decls): Update for member name changes.
4403 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4404 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4405 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4406 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4407 (tree_function_versioning, build_duplicate_type): Likewise.
4408 (copy_body_r): Likewise. Export.
4409 (copy_decl_for_dup): Split into ...
4410 (copy_decl_for_dup_finish, copy_decl_to_var,
4411 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4412 (replace_ref_tree, inlining_p): Remove.
4414 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4416 * ifcvt.c (if_convert): Make it static.
4417 * rtl.h: Remove the prototype for if_convert.
4419 * local-alloc.c (local_alloc): Make it static.
4420 * rtl.h: Remove the prototype for local_alloc.
4422 * loop.c (loop_optimize): Make it static.
4423 * cfgloop.h: Remove the prototype for loop_optimize.
4426 2006-01-16 DJ Delorie <dj@redhat.com>
4428 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4431 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4433 * pa.md: Disparage copies between general and floating-point registers
4434 in 32-bit move patterns.
4436 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4439 * Makefile.in (check-%): Depend on site.exp instead of
4440 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4443 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4445 * global.c (global_alloc): Make it static.
4446 * rtl.h: Remove the prototype for global_alloc.
4448 2006-01-16 Richard Guenther <rguenther@suse.de>
4450 * tree-ssa-alias.c (struct used_part): Add write_only field.
4451 (get_or_create_used_part_for): Initialize it to true.
4452 (create_overlap_variables_for): Don't create structure variables
4453 for structures that only are written to.
4454 (find_used_portions): Handle MODIFY_EXPR to track whether a
4455 structure is only written to.
4457 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4459 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4461 * basic-block.h: Remove the prototype for
4462 partition_hot_cold_basic_blocks.
4464 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4466 * cppspec.c (lang_specific_spec_functions): Remove.
4467 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4468 * gcc.h (lang_specific_spec_functions): Remove.
4469 * gccspec.c (lang_specific_spec_functions): Remove.
4471 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4473 * combine.c (record_value_for_reg): Invalidate registers
4475 (record_dead_and_set_regs_1): Likewise, by passing them to
4476 record_value_for_reg.
4477 (record_dead_and_set_regs): Invalidate stores made by a
4478 call. We do not combine across a call, but we still
4479 relied on equivalences.
4481 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4483 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4484 vrp_int_const_binop returning non-constant nodes.
4486 2006-01-16 Paul Brook <paul@codesourcery.com>
4488 * config/m68k/m68k.c (output_move_const_into_data_reg):
4489 Output correct mnemonic for mvz and mvs.
4491 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4493 * rtl-factoring.c: Add sequence abstraction algorithm.
4494 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4495 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4497 (block_has_preserve_label): New function.
4498 * common.opt: Register new pass.
4499 * Makefile.in: Ditto.
4501 * timevar.def: Ditto.
4502 * tree-pass.h: Ditto.
4503 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4504 * rtl.h (make_jump_insn_raw): Add forward decl.
4505 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4507 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4508 Roger Sayle <roger@eyesopen.com>
4510 * fold-const.c (fold_minmax): New static function.
4511 (fold_binary) <MIN_EXPR>: Call it.
4512 <MAX_EXPR>: Likewise.
4513 * stor-layout.c (place_field): Use DECL_SIZE consistently
4514 in the computation of the new record size.
4516 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4518 * cse.c (cse_condition_code_reg): Make it static.
4519 * rtl.h: Remove the prototype for cse_condition_code_reg.
4521 * combine.c (combine_instructions): Make it static.
4522 * rtl.h: Remove the prototype for combine_instructions.
4524 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4527 * tree.c (get_file_function_name_long): Concatenate the first global
4528 object name with a string derived from the input filename of the object
4531 2006-01-16 Ben Elliston <bje@au.ibm.com>
4533 * config/i386/winnt-stubs.c: Update FSF address.
4534 * config/xtensa/ieee754-df.S: Ditto.
4535 * config/xtensa/ieee754-sf.S: Ditto.
4537 2006-01-14 Ian Lance Taylor <ian@airs.com>
4539 * ifcvt.c (noce_init_if_info): New static function, broken out of
4540 noce_process_if_block.
4541 (noce_process_if_block): Call noce_init_if_info.
4542 (check_cond_move_block): New static function.
4543 (cond_move_process_if_block): New static function.
4544 (process_if_block): Call cond_move_process_if_block.
4546 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4548 * cselib.c (hash_table): Rename to cselib_hash_table.
4549 (cselib_clear_table, discard_useless_values,
4550 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4551 cselib_init, cselib_finish): Adjust uses of hash_table.
4553 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4555 PR tree-optimization/25485
4556 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4557 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4558 is known to be false and true, respectively.
4560 2006-01-14 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/22548
4563 PR tree-optimization/22555
4564 PR tree-optimization/22501
4565 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4566 * params.def (salias-max-array-elements): New parameter.
4567 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4568 * doc/invoke.texi (salias-max-array-elements): Document.
4569 * tree-flow-inline.h (var_can_have_subvars): We also handle
4571 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4573 * tree-ssa-structalias.c (params.h): Include.
4574 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4575 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4576 (get_constraint_for): For ADDR_EXPR operating on something
4577 containing an ARRAY_REF, add all subvars to the solution.
4578 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4579 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4580 for creating MUST_DEFs.
4581 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4583 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4585 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4587 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4588 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4589 number_of_iterations_le): New functions.
4590 (number_of_iterations_special): Removed.
4591 (number_of_iterations_exit): Do not use number_of_iterations_special.
4592 * tree.c (unsigned_type_for): Always return integer type.
4594 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4595 Richard Guenther <rguenther@suse.de>
4597 PR rtl-optimization/24257
4598 * gcse.c (find_moveable_store): Only consider a store movable
4599 when the SET_SRC of the insn can be assigned to a register.
4601 2006-01-14 Ian Lance Taylor <ian@airs.com>
4603 * tree.c (tree_not_class_check_failed): New function.
4604 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4605 (tree_not_class_check_failed): Declare.
4607 2006-01-13 Ian Lance Taylor <ian@airs.com>
4609 * reload1.c (do_output_reload): Add assertion rejecting a
4612 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4614 * combine.c (struct reg_stat): Add new fields truncation_label and
4616 (record_value_for_reg): Reset truncated_to_mode.
4617 (record_truncated_value): New function.
4618 (check_promoted_subreg): Call it. Rename to check_conversions.
4619 (combine_instructions): Rename check_promoted_subreg to
4621 (reg_truncated_to_mode): New function.
4622 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4623 (gen_lowpart_or_truncate): New function.
4624 (force_to_mode): Use it instead of gen_lowpart.
4626 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4628 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4629 VAR is a tag, not its type tag.
4631 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4633 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4634 alternatives to match style of other entries.
4635 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4637 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4639 PR tree-optimization/25771
4640 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4643 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4646 * tree-inline.c (declare_return_variable): If the return variable
4647 was marked as a non gimple complex, set the return slot variable
4648 to be a non gimple comple variable.
4650 2006-01-13 Richard Guenther <rguenther@suse.de>
4652 * builtins.c (expand_builtin_sincos): New function.
4653 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4655 (expand_builtin): Expand sincos using expand_builtin_sincos.
4657 2006-01-12 DJ Delorie <dj@redhat.com>
4659 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4660 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4661 so that constant shifts can be split.
4662 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4663 (m32c_valid_pointer_mode): Make static.
4664 (shift_gen_func_for): New.
4665 (m32c_prepare_shift): Use it. Split large const shifts into
4667 * config/m32c/predicates.md (shiftcount_operand): Allow more
4669 (longshiftcount_operand): New.
4670 * doc/md.texi (Machine Constraints): Document In6.
4672 2006-01-13 Ben Elliston <bje@au.ibm.com>
4674 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4675 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4678 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4680 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4681 to try to avoid clobbering pieces of structures when we know
4682 something about the whole structure.
4683 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4685 2006-01-13 Ben Elliston <bje@au.ibm.com>
4687 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4688 return in memory, as this is no limitation is no longer present.
4690 2006-01-12 DJ Delorie <dj@redhat.com>
4692 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4693 mova with fb, and for fb+0 -> An.
4695 * config/m32c/mov.md (peephole2): Fix enabling logic.
4697 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4698 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4699 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4700 FINI_ARRAY_SECTION_ASM_OP): Define.
4702 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4704 (m32c_legitimize_reload_address): New logic to reload FB to An.
4705 (m32c_output_reg_push): Add newline.
4706 (m32c_output_reg_pop): Likewise.
4708 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4710 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4712 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4714 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4716 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4718 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4721 2006-01-11 Ben Elliston <bje@au.ibm.com>
4723 * rtlanal.c (find_reg_note): Assert insn is not null.
4725 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4727 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4730 2006-01-11 Jeff Law <law@redhat.com>
4732 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4734 (mark_threaded_blocks, register_jump_thread): New functions.
4735 (thread_through_all_blocks): Remove unwanted argument. No
4736 longer rely on e->aux to communicate thread target info.
4737 Call mark_threaded_blocks. Release the threaded_blocks
4738 bitmap and threaded_edges vector when complete.
4739 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4740 (threaded_blocks): Remove.
4741 (tree_ssa_dominator_optimize): Remove initialization and
4742 finalization of threaded_blocks. Simplify call to
4743 thread_through_all_blocks.
4744 (thread_across_edge): Call register_jump_thread rather than
4745 storing thread information into e->aux.
4746 (free_all_edge_infos): Simplify now that e->aux is no longer
4747 used to communicate with thread_through_all_blocks.
4748 * tree-flow.h (thread_through_all_blocks): Update prototype.
4749 (register_jump_thread): Prototype.
4751 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4753 * df-core.c (df_compact_blocks, df_bb_replace): Use
4754 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4756 2006-01-11 Richard Guenther <rguenther@suse.de>
4758 PR tree-optimization/25734
4759 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4760 stop propagation after successful propagation to the LHS.
4762 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4764 * basic-block.h (control_flow_graph): Change the type of
4765 x_basic_block_info to VEC(basic_block,gc) *.
4766 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4768 (SET_BASIC_BLOCK): New.
4769 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4770 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4771 * cfgbuild.c (find_basic_blocks): Likewise.
4772 * cfglayout.c (fixup_reorder_chain): Likewise.
4773 * cfgrtl.c (create_basic_block_structure,
4774 rtl_create_basic_block): Likewise.
4775 * ifcvt.c (find_if_case_1): Likewise.
4776 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4779 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4781 * Makefile.in: Removed rotted odf.c entry.
4783 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4786 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4787 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4788 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4789 output pattern modifier, not %e.
4790 * config/cris/cris.c (cris_op_str): Update comment about pattern
4792 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4793 before falling through into...
4794 <case 'E'>: Redefined from old 'e' case.
4796 2006-01-11 Jan Hubicka <jh@suse.cz>
4799 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4801 2006-01-11 Jan Hubicka <jh@suse.cz>
4803 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4804 * i386.c (x86_decompose_lea): Kill.
4805 (ix86_rtx_costs): Kill.
4807 2006-01-11 Jan Hubicka <jh@suse.cz>
4809 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4810 * cgraph.h (cgraph_node): Add inline_decl.
4811 (cgraph_insert_node_to_hashtable): Declare.
4812 (save_inline_function_body): Declare.
4813 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4815 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4816 (cgraph_function_versioning): Update call of tree_function_versioning.
4817 (save_inline_function_body): New function.
4818 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4819 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4820 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4821 (cgraph_default_inline_p): Likewise.
4822 (cgraph_decide_inlining_incrementally): Likewise.
4823 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4824 (copy_bb): Kill saving; do updating of clones.
4825 (copy_cfg_body): Kill saving.
4826 (initialize_inlined-parameters): Likewise.
4827 (expand_call_inline): Likewise.
4829 (tree_function_versioning): New parameter "update_clones".
4830 (inlining_p): Kill saving.
4831 * tree-inline.h (tree_function_versioning): Update prototype.
4832 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4835 2006-01-11 Ian Lance Taylor <ian@airs.com>
4837 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4838 Allow undoing set of machine mode.
4839 (do_SUBST): Use enums instead of is_int.
4840 (do_SUBST_MODE): New function.
4841 (SUBST_MODE): New macro.
4842 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4843 reg and trying to replace reg_regno_rtx with a new register.
4844 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4845 (simplify_set): Use SUBST_MODE.
4846 (distribute_notes): Remove code that tried to update reg notes
4847 for regno_reg_rtx changes.
4849 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4851 PR tree-optimization/23109
4852 PR tree-optimization/23948
4853 PR tree-optimization/24123
4855 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4856 * tree-cfg.c (single_noncomplex_succ): New.
4857 * tree-flow.h (single_noncomplex_succ): Declare it.
4858 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4859 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4860 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4861 insert_bb, register_division_in, insert_reciprocals,
4862 replace_reciprocal, free_bb): New.
4863 (execute_cse_reciprocals_1): Rewritten.
4864 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4865 Do not commit any edge insertion. Always compute dominators and
4866 create the allocation pool.
4867 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4868 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4869 * targhooks.c (default_min_divistions_for_recip_mul): New.
4870 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4871 * passes.c (init_optimization_passes): Run recip after tree loop
4873 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4875 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4876 Kenneth Zadeck <zadeck@naturalbridge.com>
4878 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4879 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4880 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4881 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4882 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4883 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4884 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4885 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4886 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4887 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4888 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4889 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4890 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4891 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4892 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4893 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4894 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4895 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4896 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4897 DF_SCAN_POST_ALLOC): New macros.
4898 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4899 df_free_bb_function, df_local_compute_function, df_init_function,
4900 df_dataflow_function, df_confluence_function_0,
4901 df_confluence_function_n, df_transfer_function,
4902 df_finalizer_function, df_free_function, df_dump_problem_function,
4903 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4904 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4905 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4906 df_urec_bb_info, ) New types.
4907 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4909 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4910 df_analyze_simple_change_some_blocks,
4911 df_analyze_simple_change_one_block, df_compact_blocks,
4912 df_bb_replace, df_bb_regno_last_use_find,
4913 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4914 df_insn_regno_def_p, df_find_def, df_find_use,
4915 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4916 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4917 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4918 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4919 debug_df_chain, df_get_dependent_problem, df_chain_create,
4920 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4921 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4922 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4923 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4924 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4925 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4926 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4927 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4928 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4929 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4930 df_reorganize_refs, df_set_state, df_hard_reg_init,
4931 df_read_modify_subreg_p) New public functions.
4932 * df-core.c: The core dataflow solver and glue routines for rtl
4934 (df_init, df_add_problem, df_set_blocks, df_finish,
4935 df_hybrid_search_forward, df_hybrid_search_backward,
4936 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4937 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4938 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4939 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4940 df_reg_defined, df_find_use, df_reg_used, df_dump,
4941 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4942 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4943 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4944 debug_df_useno, reset_df_after_reload): New functions.
4945 * df-scan.c: The scanning fuctions, once in df.c, completely
4946 rewritten so that they now fully model the functionality of
4947 register usage at the backend.
4948 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4949 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4950 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4951 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4952 df_get_artificial_defs, df_get_artificial_uses,
4953 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4954 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4955 df_refs_delete, df_reorganize_refs, df_set_state,
4956 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4957 df_def_record_1, df_defs_record, df_uses_record,
4958 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4959 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4960 df_record_exit_block_uses, df_hard_reg_init): New functions.
4962 * df-problems.c: Seven concrete dataflow problems that use the
4963 scanning in df-scan.c and are solved by the engine in df-core.c.
4964 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4965 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4966 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4967 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4968 df_ru_free_bb_info, df_ru_alloc,
4969 df_ru_bb_local_compute_process_def,
4970 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4971 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4972 df_ru_transfer_function, df_ru_free, df_ru_dump,
4973 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4974 df_rd_free_bb_info, df_rd_alloc,
4975 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4976 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4977 df_rd_transfer_function, df_rd_free, df_rd_dump,
4978 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4979 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4980 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4981 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4982 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4983 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4984 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4985 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4986 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4987 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4988 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4989 df_urec_mark_reg_use_for_earlyclobber,
4990 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4991 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4992 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4993 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4994 df_chain_create_bb_process_use, df_chain_create_bb,
4995 df_chain_finalize, df_chain_free, df_chains_dump,
4996 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4997 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4998 df_reg_lifetime): New functions.
4999 * df.c: Deleted file.
5000 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5001 consistent with new df api.
5002 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5003 rest_of_handle_sms): Ditto.
5004 * web.c (unionfind_union, union_defs, entry_register, web_main):
5006 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5007 invariant_expr_equal_p, find_defs, check_dependencies,
5008 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5009 free_inv_motion_data, move_loop_invariants): Ditto.
5010 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5011 Update dependencies.
5012 (odf.c): Added defective entry that was deleted later in day.
5013 * sched-deps.c (sched_analyze_1): Ditto.
5015 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5017 * tree-ssa-operands.c (get_expr_operands): Record addressable
5018 variables directly. Do not call add_stmt_operands for CONST_DECLs
5020 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5021 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5023 2006-01-11 Ben Elliston <bje@au.ibm.com>
5025 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5026 function returns true in the positive case.
5028 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5031 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5032 for SI, DI, SF and DF modes. Add alternatives to copy between
5033 general and floating point registers to the 32-bit patterns.
5034 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5035 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5036 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5037 generating 64-bit code.
5038 * config/pa/pa.c (output_move_double): Handle copies between general
5039 and floating registers.
5041 2006-01-10 Stuart Hastings <stuart@apple.com>
5043 * config/i386/i386.md (set_got): Update.
5044 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5045 (builtin_setjmp_receiver): Mach-O support.
5046 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5047 (GOT_SYMBOL_NAME): Define.
5048 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5049 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5050 * config/i386/i386.c (override_options): Revise for Darwin.
5051 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5052 support. (darwin_x86_file_end): New. (output_set_got): Add label
5053 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5054 * config/i386/i386-protos.h (output_set_got): Likewise.
5055 * config/darwin.c (machopic_legitimize_pic_address): Update
5058 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5060 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5061 when MODE isn't BLKmode.
5063 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5065 PR rtl-optimization/25367
5066 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5068 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5071 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5072 for a negative bound.
5074 2006-01-10 Richard Guenther <rguenther@suse.de>
5076 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5077 Never override with anything constraint.
5079 2006-01-10 Jan Beulich <jbeulich@novell.com>
5081 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5082 256 bits when optimize_size.
5084 2006-01-10 Jan Beulich <jbeulich@novell.com>
5086 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5088 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5089 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5092 2006-01-10 Ben Elliston <bje@au.ibm.com>
5094 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5096 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5097 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5098 (USE_FP_FOR_ARG): Reject decimal float modes.
5099 (function_arg_advance): Likewise.
5100 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5101 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5102 point types in AltiVec vectors.
5103 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5104 (rs6000_libcall_value): Likewise.
5106 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5108 * config/xtensa/ieee754-df.S: New file.
5109 * config/xtensa/ieee754-sf.S: New file.
5110 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5111 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5112 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5114 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5116 * config/sh/predicates.md (binary_float_operator,
5117 binary_logical_operator, commutative_float_operator,
5118 equality_comparison_operator, greater_comparison_operator,
5119 less_comparison_operator, logical_operator,
5120 noncommutative_float_operator, shift_operator,
5121 symbol_ref_operand, unary_float_operator): Remove redundant
5124 2006-01-09 Jeff Law <law@redhat.com>
5126 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5127 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5128 now unused arguments. Callers updated.
5129 (eliminate_redundant_computations): Remove now unused arguments,
5131 (local_fold): Remove, no longer used.
5132 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5134 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5135 (simplify_cond): New function.
5136 (forward_propagate_into_cond): Call simplify_cond.
5138 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5140 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5141 (*vec_extractv2di_1_sse): New.
5143 2006-01-09 Ben Elliston <bje@au.ibm.com>
5145 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5147 2006-01-08 Richard Guenther <rguenther@suse.de>
5149 * tree-ssa-structalias.c (get_constraint_for): Remove
5151 (get_constraint_for_component_ref): Likewise.
5152 (do_deref): Likewise.
5153 (get_constraint_for): Likewise.
5154 (do_structure_copy): Likewise.
5155 (handle_ptr_arith): Likewise.
5156 (find_func_aliases): Likewise. Remove unused need_anyoffset
5159 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5160 Kaz Kojima <kkojima@gcc.gnu.org>
5162 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5163 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5164 (EXTRA_CONSTRAINT_C16): Remove.
5165 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5166 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5167 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5168 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5169 constants of SHmedia. Handle nested constant expressions of
5171 (andcosts): Fix the costs for SHmedia constants.
5172 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5173 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5174 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5175 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5176 (movv4hi_i, movv2si_i): Likewise.
5177 (movsi_const): Adjust the second operand of ior so to match with
5179 (movdi_const, movdi_const_32bit): Likewise.
5180 (movdi_const_16bit+1): Don't sign-extend LOW.
5181 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5183 (*double_shori): Fix the split condition. Use GEN_INT instead
5184 of get_int_mode calls. Mask lower 16-bit of the argument of
5186 (sym2GOTPLT): Remove.
5187 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5189 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5190 instead of EXTRA_CONSTRAINT_C16.
5192 2006-01-07 Ian Lance Taylor <ian@airs.com>
5193 David Edelsohn <edelsohn@gnu.org>
5195 PR rtl-optimization/25662
5196 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5197 for constant operands instead of simplify_gen_binary.
5198 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5199 after trying simplify_binary_operation
5201 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5203 * tree.c (iterative_hash_expr): Hash decls based on UID.
5205 2006-01-06 Eric Christopher <echristo@apple.com>
5207 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5208 (TARGET_UNWIND_EMIT): Fix spelling.
5209 * target.h (gcc_target): Add except_table_label.
5210 * except.c (output_function_exception_table): Use.
5211 * varasm.c (default_emit_except_table_label): New.
5212 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5214 (asm_out): Add here.
5215 * output.h (default_emit_except_table_label): Prototype.
5216 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5217 * config/darwin.c (darwin_emit_except_table_label): Define.
5218 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5220 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5222 PR tree-optimization/18527
5223 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5224 number_of_iterations_special, number_of_iterations_exit):
5225 Move base and step of an iv to a single structure. Add
5226 no_overflow flag, and use it in # of iterations analysis.
5227 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5228 folded_casts argument.
5229 (simple_iv): Pass base and step in a structure. Set no_overflow
5231 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5232 Evaluate expensiveness of computing # of iterations instead of
5233 the final expression.
5234 * tree-scalar-evolution.h (affine_iv): New structure.
5235 (simple_iv): Declaration changed.
5236 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5237 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5238 find_givs_in_stmt): Changed due to simple_iv change.
5240 2006-01-06 Jeff Law <law@redhat.com>
5243 * tree-cfg.c (bsi_replace): Rename final argument from
5244 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5245 change (stmt -> orig_stmt).
5246 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5247 (bsi_remove): Add new argument. Remove EH information
5249 (verify_eh_throw_table_statements): New function.
5250 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5252 * tree-optimize.c (execute_free_cfg_annotations): Verify
5253 the EH throw statement table after removing annotations.
5254 * except.h (verify_eh_throw_table_statements): Prototype.
5255 * tree-flow.h (bsi_remove): Update prototype.
5256 * tree-vrp.c (remove_range_assertions): Add new argument to
5258 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5259 * tree-complex.c (expand_complex_div_wide): Likewise.
5260 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5261 * tree-tailcall.c (eliminate_tailcall): Likewise.
5262 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5263 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5264 * tree-nrv.c (tree_nrv): Likewise.
5265 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5266 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5267 (combine_blocks): Likewise.
5268 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5269 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5270 (cleanup_control_flow): Likewise.
5271 (remove_forwarder_block): Likewise.
5272 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5273 * tree-sra.c (sra_replace): Likewise.
5274 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5275 (forward_propagate_single_use_vars): Likewise.
5276 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5277 * tree-inline.c (expand_call_inline): Likewise.
5278 * tree-vect-transform.c (vect_transform_loop): Likewise.
5279 * tree-outof-ssa.c (rewrite_trees): Likewise.
5280 * tree-cfg.c (make_goto_expr_edges): Likewise.
5281 (cleanup_dead_labels): Likewise.
5282 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5283 (bsi_move_before, bsi_move_after): Likewise.
5284 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5285 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5287 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5290 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5292 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5293 on non gimple variables. Also add checks at the top for decls and
5295 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5297 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5298 and IMAGPART_EXPR for creating MUST_DEFs.
5299 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5300 and NAME_MEMORY_TAG separately from the DECLs.
5302 2006-01-06 Richard Guenther <rguenther@suse.de>
5304 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5305 annotation, if necessary.
5306 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5307 redundant calls to update_stmt.
5308 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5311 2006-01-05 Richard Henderson <rth@redhat.com>
5313 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5315 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5317 * c-typeck.c: Update copyright date.
5319 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5321 * c-typeck.c (build_c_cast): Always warn when casting
5322 from a pointer to an integer of different size, even if
5323 the node was constant.
5325 2006-01-05 Richard Guenther <rguenther@suse.de>
5327 PR tree-optimization/22555
5328 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5329 if one structure field is an array.
5330 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5331 operands even if we found a subvar, but ignore VOPs in this
5333 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5335 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5337 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5340 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5342 2006-01-05 Richard Guenther <rguenther@suse.de>
5343 Diego Novillo <dnovillo@redhat.com>
5345 * tree-pass.h (TODO_remove_unused_locals): Define.
5346 * gimple-low.c (expand_var_p, remove_useless_vars,
5347 pass_remove_useless_vars): Remove. Update all users.
5348 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5349 (remove_unused_locals): New function.
5350 * tree-flow.h (remove_unused_locals): Declare.
5351 * passes.c (execute_todo): Call remove_unused_locals if
5352 TODO_remove_unused_locals is set.
5353 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5354 * tree-ssa-dce.c (pass_dce): Likewise.
5355 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5357 2006-01-05 Richard Guenther <rguenther@suse.de>
5359 * tree-flow.h (struct fieldoff): Decompose field to
5360 type, size and decl.
5361 * tree-ssa-alias.c (create_sft): Take type as parameter.
5362 (create_overlap_variables_for): Store type, size and decl
5363 in the fieldoff structure.
5364 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5366 (push_fields_onto_fieldstack): Likewise.
5367 (create_variable_info_for): Likewise. Use offset for the
5368 SFT name if the decl is not available.
5370 2006-01-04 Paul Brook <paul@codesourcery.com>
5372 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5374 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5376 * lambda-code.c (can_put_in_inner_loop): Relax
5378 (can_put_after_inner_loop): New function.
5379 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5380 (perfect_nestify): Change to make copies and modify uses.
5382 2006-01-04 Richard Henderson <rth@redhat.com>
5384 Merge from gomp branch:
5385 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5386 via integer constant.
5387 (pragma_lex): Remove.
5388 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5389 rather than parsing it.
5390 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5391 handle_pragma_extern_prefix): Add %< %> quotes.
5392 (registered_pragmas): New.
5393 (c_register_pragma_1): New.
5394 (c_register_pragma): Use it.
5395 (c_register_pragma_with_expansion): Likewise.
5396 (c_invoke_pragma_handler): New.
5397 (init_pragma): Use cpp_register_deferred_pragma directly for
5399 * c-pragma.h (enum pragma_kind): New.
5400 (pragma_handler): New.
5401 (c_invoke_pragma_handler): Declare.
5402 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5404 * c-common.h (c_common_pch_pragma): Update decl.
5405 * Makefile.in (c-parser.o): Update dependencies.
5406 (GTFILES): Add c-pragma.h.
5407 * c-parser.c (struct c_token): Add pragma_kind.
5408 (struct c_parser): Add in_pragma.
5409 (c_lex_one_token): Always initialize keyword and pragma_kind.
5410 Extract data for CPP_PRAGMA.
5411 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5412 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5413 Don't allow CPP_PRAGMA_EOL if in_pragma.
5414 (c_parser_consume_pragma): New.
5415 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5416 (c_parser_skip_to_end_of_parameter): Likewise.
5417 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5418 (c_parser_skip_to_pragma_eol): New.
5419 (c_parser_external_declaration): Handle CPP_PRAGMA.
5420 (c_parser_compound_statement_nostart): Likewise.
5421 (c_parser_statement_after_labels): Likewise.
5422 (c_parser_pragma): New.
5423 (pragma_lex): Likewise.
5424 (c_parser_pragma_pch_preprocess): New.
5425 (c_parser_new): Merge into ...
5426 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5428 2006-01-04 Jeff Law <law@redhat.com>
5431 * tree-cfg.c (bsi_replace): Remove the original statement
5432 from the EH throw statement table.
5434 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5436 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5437 make the prototype extern "C" and add throw ().
5440 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5441 and pos non-negative and pos + len <= 32.
5442 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5443 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5444 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5447 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5448 as well as sizes not multiple of component size.
5451 * function.c (instantiate_expr): New function.
5452 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5453 walk its DECL_VALUE_EXPR with instantiate_expr.
5455 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5456 DW_OP_deref{,_size} if address isn't going to be added.
5458 2006-01-04 Ben Elliston <bje@au.ibm.com>
5460 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5461 * config/fp-bit.c: Likewise.
5463 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5465 * dominance.c: Add comment about why we use DFS numbering
5468 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5469 Richard Henderson <rth@redhat.com>
5471 Merge from gomp-branch:
5472 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5473 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5475 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5477 PR rtl-optimization/25578
5478 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5479 pass a parameter to simplify_shift_const if changing ASHIFTRT
5482 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5484 * builtins.c (get_builtin_sync_mem): New function.
5485 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5486 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5487 Call get_builtin_sync_mem to generate mem rtx.
5489 2006-01-03 Richard Guenther <rguenther@suse.de>
5492 * stmt.c (add_case_node): Make sure to clear overflow flags
5495 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5497 Merge from gomp-branch.
5498 * config/sparc/sync.md: New file.
5499 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5500 UNSPECV_LDSTUB): New constants.
5501 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5502 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5503 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5506 2006-01-03 Roger Sayle <roger@eyesopen.com>
5508 * combine.c (reg_subword_p): New predicate to test whether the
5509 destination of a set refers to a subword/piece of a register.
5510 (try_combine): Generalize the code to merge the setting of a
5511 pseudo to a constant followed by a set of a subword of that
5512 register to a constant.
5514 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5516 * basic-block.h (control_flow_graph): Change the type of
5517 x_label_to_block_map to VEC(basic_block,gc) *.
5518 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5519 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5521 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5522 VEC(basic_block,heap) *.
5523 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5524 ssa_prop_fini): Adjust the uses of cfg_blocks.
5526 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5528 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5530 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5531 hashing trees instead of a pointer hash.
5532 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5533 compare for MEM_EXPR.
5535 PR rtl-optimization/25130
5536 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5537 when comparing MEMs for GCSE
5539 2006-01-03 Ben Elliston <bje@au.ibm.com>
5541 * targhooks.h (default_decimal_float_supported_p): Declare.
5542 * targhooks.c (default_decimal_float_supported_p): Define.
5543 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5544 `default_decimal_float_supported_p'.
5545 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5547 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5549 * combine.c (apply_distributive_law <SUBREG>): Check
5550 TRULY_NOOP_TRUNCATION.
5552 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5554 * dwarf2out.c (have_switched_text_section): Delete.
5555 (have_multiple_function_sections): New.
5556 (have_location_lists): Make 'bool'.
5557 (add_AT_loc_list): Use 'true' not '1'.
5558 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5559 (output_loc_list): Use have_multiple_function_sections.
5560 (output_ranges): Likewise.
5561 (dwarf2out_begin_function): Set have_multiple_function_sections if
5563 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5564 Check function_section rather than DECL_SECTION_NAME.
5565 (dwarf2out_finish): Use have_multiple_function_sections.
5566 Don't clear have_location_lists.
5568 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5569 Jan Hubicka <jh@suse.cz>
5571 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5572 case of conditional jump jumping to the next instruction.
5573 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5574 cases of conditional jump jumping to the next instruction.
5576 2006-01-02 Jan Hubicka <jh@suse.cz>
5578 * i386.c (*_cost): Add COSTS_N_INSNS.
5579 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5581 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5584 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5586 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5588 * config/arm/arm.c (all_fpus): Fix comment typo.
5589 * config/darwin.c: Likewise.
5590 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5591 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5592 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5594 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5596 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5597 (rs6000_split_compare_and_swapqhi): New.
5598 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5599 (sync_compare_and_swapqhi_internal): New.
5600 * config/rs6000/rs6000-protos.h: Declare.
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