1 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3 * install.texi: Add notes on install.texi2html.
4 (Building in parallel): Do not use footnotes.
6 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9 * doc/install.texi (Configuration): Document --disable-libgomp.
11 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17 * config/i386/sse.md (vec_extractv2df_1_sse): New.
18 (vec_extractv2df_0_sse): New.
20 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
22 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
23 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
24 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
25 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
26 to the result of the expression.
28 (frame_pointer_cfa_offset): Rename to...
29 (frame_pointer_fb_offset): ... this. Adjust all uses.
30 (convert_cfa_to_loc_list): Rename to...
31 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
32 Pass it on to build_cfa_loc.
33 (compute_frame_pointer_to_cfa_displacement): Rename to...
34 (compute_frame_pointer_to_fb_displacement): ... this. New
35 offset parameter. Use it in computation.
36 (gen_subprogram_die): Compute cfa_fb_offset with the new
37 macro, and use it to compute the fb loc list and the
40 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
42 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
43 replaced with register_operand.
44 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
45 non-DREG is expensive.
46 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
47 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
50 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
52 * doc/install.texi2html: Use set -e.
54 2006-02-21 Richard Sandiford <richard@codesourcery.com>
56 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
57 (ASM_OUTPUT_SHARED_LOCAL): Delete.
58 * doc/invoke.texi (-fshared-data): Delete.
59 * common.opt (fshared-data): Delete.
60 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
61 (assemble_static_space): Remove #if 0 code.
62 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
63 (ASM_OUTPUT_SHARED_LOCAL): Poison.
64 * config/cris/cris.h: Remove FIXME.
66 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
68 * doc/sourcebuild.texi (Front End Directory): No more double-colon
71 2006-02-21 Jakub Jelinek <jakub@redhat.com>
74 * combine.c (simplify_shift_const_1): Disable nested shifts
75 optimization for vector shifts.
77 2006-02-20 Roger Sayle <roger@eyesopen.com>
79 PR tree-optimization/26361
80 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
81 of unsigned integer types.
83 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
85 * tree-chrec.c (eq_evolutions_p): New.
86 * tree-chrec.h (eq_evolutions_p): Declared.
87 * tree-data-ref.c: Fix formatting.
88 (datadep_stats, dependence_stats): New.
90 (print_direction_vector): New.
91 (dump_data_dependence_relation): Use print_direction_vector.
92 (object_analysis, create_data_ref): Handle COMPONENT_REF.
93 (compute_subscript_distance): Static.
94 (initialize_data_dependence_relation): Static. Get the number
95 of loops surrounding the references from the callers, and initialize
96 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
97 base_object_differ_p analyzers.
98 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
99 compute_overlap_steps_for_affine_1_2,
100 analyze_subscript_affine_affine): Count the classified dependences.
101 Print a message when a test failed.
102 (can_use_analyze_subscript_affine_affine): New.
103 (analyze_siv_subscript): Compute the data dependences on symbolic
104 scevs that verify can_use_analyze_subscript_affine_affine.
105 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
106 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
107 Handle symbolic scevs.
108 (analyze_overlapping_iterations): Let symbolic affine scevs to be
110 (subscript_dependence_tester): Moved...
111 (build_classic_dist_vector, build_classic_dir_vector): Don't use
112 lambda_vector_clear on newly allocated vectors. Get nb_loops from
113 DDR_SIZE_VECT instead of getting it in parameter.
114 (subscript_dependence_tester): ... here. Take as a parameter
115 loop_nest_depth. Call build_classic_dist_vector and
116 build_classic_dir_vector.
117 (compute_affine_dependence): Update subscript_dependence_tester
118 parameters. Update datadep_stats counters. Call
119 compute_subscript_distance.
120 (compute_self_dependence): Save the dist and dir vectors. Call
121 compute_subscript_distance.
122 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
123 (compute_all_dependences): Reorder parameters as they were before
124 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
125 compute_subscript_distance. Update the use of
126 compute_affine_dependence and initialize_data_dependence_relation.
127 (find_data_references_in_loop): Handle COMPONENT_REF.
128 (compute_data_dependences_for_loop): Initialize dependence_stats.
129 Don't call build_classic_dist_vector and build_classic_dir_vector.
130 Update the parameters of initialize_data_dependence_relation and
131 compute_all_dependences. Print the statistics from datadep_stats.
132 (analyze_all_data_dependences): Static. Not used until the pass for
133 checking the data dependences is contributed.
134 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
135 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
136 (initialize_data_dependence_relation, compute_affine_dependence,
137 analyze_all_data_dependences, compute_subscript_distance): Removed.
138 (print_direction_vector): New.
139 * lambda.h (gcd): ... here.
140 (lambda_vector_gcd): Moved here from gcd_vector.
141 * lambda-code.c (gcd, gcd_vector): Removed.
142 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
143 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
145 2006-02-20 Diego Novillo <dnovillo@redhat.com>
147 * ipa-type-escape.c: Tidy some comments and white space.
148 * tree-ssa-operands.c: Likewise.
150 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
153 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
154 (dump_decl_name): Do not walk the decl tree chains.
155 * tree-pass.h (TDF_CHAIN): Remove.
157 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
159 * Makefile.in (C): Remove
161 (.PHONY): Remove C and PROTO
163 2006-02-20 Roger Sayle <roger@eyesopen.com>
166 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
167 deprecated CHAR_TYPE tree code.
169 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
171 * configure.ac (target_list): Add install-info, dvi, html.
172 * configure: Regenerate.
174 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
175 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
176 treelang/Make-lang.in: Do not use double-colon rules.
178 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
180 * tree.h (struct tree_memory_tag): Add is_used_alone member.
181 (TMT_USED_ALONE): New macro.
182 * tree-pass.h (PROP_tmt_usage): New property.
183 (TODO_update_tmt_usage): New todo.
184 * tree-ssa-alias.c (updating_used_alone): New variable.
185 (recalculate_used_alone): New function.
186 (compute_may_aliases): Set updating_used_alone, call
187 recalculate_used_alone.
188 * tree-sra.c (pass_sra): Note that this pass destroys
189 PROP_tmt_usage, and add TODO_update_tmt_usage.
190 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
191 * tree-flow.h (updating_used_alone): Prototype.
192 (recalculate_used_alone): Ditto.
193 * passes.c (execute_todo): Add code to set updating_used_alone,
194 and call recalculate.
195 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
196 for clobber if used alone, and add assert to verify used_alone
199 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
201 * config/s390/s390.c (legitimize_pic_address): Assertions checking
202 for non tls symbols added.
203 (legitimize_address): Do nothing for PLUS expressions if one of the
204 addends is a tls symbol reference.
206 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
210 * Makefile.in (LDFLAGS): Define from autoconf substitution.
212 * Makefile.in (BOOTSTRAPPING): New.
213 (quickstrap): New definition if BOOTSTRAPPING=yes.
215 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
216 * configure.ac: Substitute all_selected_languages with the languages
217 that were configured. For all the other variables except
218 lang_specs_files, include all the languages in the tree.
219 * configure: Regenerate.
221 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
222 if there is one. Run the commands to run fixincludes in the same
225 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
226 * doc/install.texi: Document exact conventions for searching target tools.
227 Document --with-build-time-tools. Document toplevel bootstrap. Document
228 something more about building an Ada cross-compiler. Don't list GNU Make
229 requirements which affect all platforms.
231 2006-02-19 Roger Sayle <roger@eyesopen.com>
234 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
235 only equivalent if the have both the same mode and precision.
237 2006-02-20 Ben Elliston <bje@au.ibm.com>
239 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
241 2006-02-19 Roger Sayle <roger@eyesopen.com>
242 Steven Bosscher <stevenb.gcc@gmail.com>
244 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
245 constant pool references to identify stack mode constants.
246 * rtlanal.c (constant_pool_constant_p): New predicate to check
247 whether operand is a floating point constant in the pool.
248 * rtl.h (constant_pool_constant_p): Prototype here.
249 * loop.c (scan_loop): Avoid hoisting constants from the constant
250 pool on STACK_REGS targets.
251 (load_mems): Likewise.
252 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
253 loads into x87 registers expensive in terms of register pressure.
255 2006-02-19 Roger Sayle <roger@eyesopen.com>
257 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
258 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
260 2006-02-19 David Edelsohn <edelsohn@gnu.org>
262 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
263 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
265 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
267 * doc/invoke.texi: Document -fipa-pta.
268 * common.opt: Add ipa-pta option.
269 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
270 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
271 (do_ds_constraint): Ditto.
272 (get_constraint_for): Only add to referenced_vars if
273 referenced_vars exists.
274 (insert_into_field_list): Rewrite to do this unsorted.
275 (insert_into_field_list_sorted): Rename old insert_into_field_list
277 (create_function_info_for): Use insert_into_field_list_sorted.
278 (create_variable_info_for): Rewrite so it uses unsorted version,
279 since the field list is sorted.
280 (intra_create_variable_infos): Only add to referenced_vars if
281 referenced_vars exists.
282 (ipa_pta_execute): Init heapvars, and delete when done.
283 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
285 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
287 * doc/install.texi: Add missing `@samp'.
289 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
291 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
294 2006-02-18 Mark Wielaard <mark@klomp.org>
296 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
297 who added new 4.1 features, bug fixes and integration support.
299 2006-02-18 David Edelsohn <edelsohn@gnu.org>
302 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
305 2006-02-18 Richard Sandiford <richard@codesourcery.com>
307 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
308 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
309 (copy_insn_1): Likewise. Don't copy each field individually.
311 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
313 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
314 * rtl.c (rtx_size): Rename variable to...
315 (rtx_code_size): ...this.
316 (rtx_size): New function.
317 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
318 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
320 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
321 * rtl.h (rtx_code_size): New variable.
322 (rtx_size): Change from a variable to a function.
323 (RTX_SIZE): Rename to...
324 (RTX_CODE_SIZE): ...this.
327 PR tree-optimization/17106
328 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
329 (Anchored Addresses): New section.
330 * doc/invoke.texi (-fsection-anchors): Document.
331 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
332 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
333 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
334 * hooks.c (hook_bool_mode_rtx_false): New function.
335 * hooks.h (hook_bool_mode_rtx_false): Declare.
336 * gengtype.c (create_optional_field): New function.
337 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
338 SYMBOL_REF_IN_BLOCK_P is true.
339 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
340 (min_anchor_offset, max_anchor_offset): Likewise.
341 (use_anchors_for_symbol_p): New hook.
342 * toplev.c (compile_file): Call output_object_blocks.
343 (target_supports_section_anchors_p): New function.
344 (process_options): Check that -fsection-anchors is only used on
345 targets that support it and when -funit-at-a-time is in effect.
346 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
347 if the decl doesn't have one.
348 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
349 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
350 of force_const_mem through use_anchored_address.
351 (expand_expr_constant): New function.
352 (expand_expr_addr_expr_1): Call it. Use the same modifier when
353 calling expand_expr for INDIRECT_REF.
354 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
355 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
356 * expr.h (use_anchored_address): Declare.
357 * loop-unroll.c: Don't declare rtx vectors here.
358 * explow.c: Include output.h.
359 (validize_mem): Call use_anchored_address.
360 (use_anchored_address): New function.
361 * common.opt (-fsection-anchors): New switch.
362 * varasm.c (object_block_htab, anchor_labelno): New variables.
363 (hash_section, object_block_entry_eq, object_block_entry_hash)
364 (use_object_blocks_p, get_block_for_section, create_block_symbol)
365 (use_blocks_for_decl_p, change_symbol_section): New functions.
366 (get_variable_section): New function, split out from assemble_variable.
367 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
368 use_blocks_for_decl_p say so. Use change_symbol_section if the
369 symbol has already been created.
370 (assemble_variable_contents): New function, split out from...
371 (assemble_variable): ...here. Don't output any code for
372 block symbols; just pass them to place_block_symbol.
373 Use get_variable_section and assemble_variable_contents.
374 (get_constant_alignment, get_constant_section, get_constant_size): New
375 functions, split from output_constant_def_contents.
376 (build_constant_desc): Create a block symbol if use_object_blocks_p
377 says so. Or into SYMBOL_REF_FLAGS.
378 (assemble_constant_contents): New function, split from...
379 (output_constant_def_contents): ...here. Don't output any code
380 for block symbols; just pass them to place_section_symbol.
381 Use get_constant_section and get_constant_alignment.
382 (force_const_mem): Create a block symbol if use_object_blocks_p and
383 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
384 (output_constant_pool_1): Add an explicit alignment argument.
385 Don't switch sections here.
386 (output_constant_pool): Adjust call to output_constant_pool_1.
387 Switch sections here instead. Don't output anything for block symbols;
388 just pass them to place_block_symbol.
389 (init_varasm_once): Initialize object_block_htab.
390 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
391 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
392 (place_block_symbol, get_section_anchor, output_object_block)
393 (output_object_block_htab, output_object_blocks): New functions.
394 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
395 (TARGET_ASM_OUT): Include it.
396 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
397 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
398 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
399 (TARGET_INITIALIZER): Include them.
400 * rtl.c (rtl_check_failed_block_symbol): New function.
401 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
402 (block_symbol, object_block): New structures.
403 (rtx_def): Add a block_symbol field to the union.
404 (BLOCK_SYMBOL_CHECK): New macro.
405 (rtl_check_failed_block_symbol): Declare.
406 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
407 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
408 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
409 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
410 * output.h (output_section_symbols): Declare.
411 (object_block): Name structure.
412 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
413 (default_use_anchors_for_symbol_p): Declare.
414 * Makefile.in (RTL_BASE_H): Add vec.h.
415 (explow.o): Depend on output.h.
416 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
417 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
418 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
419 (rs6000_use_blocks_for_constant_p): New function.
421 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
423 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
425 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
428 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
431 2006-02-18 Diego Novillo <dnovillo@redhat.com>
433 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
437 2006-02-18 Jakub Jelinek <jakub@redhat.com>
440 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
441 instead of DECL_REGISTER.
443 2006-02-18 Olivier Hainque <hainque@adacore.com>
446 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
448 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
451 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
452 * opth-gen.awk: Handle Var and InverseMask together.
453 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
454 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
455 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
456 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
458 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
459 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
460 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
461 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
462 LINUX_DYNAMIC_LINKER): Define.
463 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
464 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
466 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
467 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
468 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
470 (TARGET_C99_FUNCTIONS): Don't define.
471 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
472 GLIBC_DYNAMIC_LINKER.
473 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
474 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
475 GLIBC_DYNAMIC_LINKER64): Define.
476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
477 LINUX_DYNAMIC_LINKER64.
478 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
479 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
480 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
482 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
484 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
485 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
486 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
488 and LINUX_DYNAMIC_LINKER32.
489 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
491 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
493 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
495 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
496 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
497 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
498 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
499 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
500 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
501 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
502 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
503 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
504 LINUX_DYNAMIC_LINKER): Define.
505 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
506 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
507 GLIBC_DYNAMIC_LINKER64): Define.
508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
509 LINUX_DYNAMIC_LINKER64.
510 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
511 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
512 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
513 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
514 LINUX_DYNAMIC_LINKER): Define.
515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
516 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
517 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
518 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
519 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
520 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
521 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
522 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
523 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
524 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
525 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
526 * doc/invoke.texi (-muclibc): Remove caveat about supported
529 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
531 * doc/cpp.texi (__TIMESTAMP__): Document.
533 2006-02-17 Roger Sayle <roger@eyesopen.com>
536 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
537 C is one less than the width of X (and related transformations).
538 * simplify_rtx.c (simplify_unary_operation_1): Transform
539 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
540 depending on STORE_FLAG_VALUE, were C is one less then the
543 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
545 Fix PR tree-optimization/26341
546 * tree-ssa-operands.c (add_virtual_operand): Remove assert
547 about NAME_MEMORY_TAG's.
549 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
552 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
553 with hardware float support, and software float support. Add fcpy
554 alternative to hardware patterns. Add alternatives to copy between
555 general and floating-point registers to the 32-bit pattern.
556 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
557 secondary reload to load a QI or HI mode constant into a floating
559 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
560 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
562 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
565 * config/rs6000/darwin.md (load_macho_picbase_si): Add
567 (load_macho_picbase_di): Likewise.
569 2006-02-16 Jeff Law <law@redhat.com>
571 * tree-vrp.c (set_value_range_to_nonnegative): New function.
572 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
573 (ssa_name_nonzero_p): Likewise.
574 (get_value_range): Return NULL if VRP is not running.
575 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
576 VRP routines do not discover a range.
577 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
578 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
579 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
580 (tree_expr_nonnegative_p): Similarly.
581 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
582 (restore_nonzero_vars_to_original_value): Remove.
583 (unsafe_associative_fp_binop): Remove.
584 (tree_ssa_dominator_optimize): Remove initialization and
585 finalization of nonzero_vars and nonzero_vars_stack.
586 (dom_opt_initialize_block): No longer push marker on
588 (dom_opt_finalize_block): No longer call
589 restore_nonzero_vars_to_original_value.
590 (record_equivalences_from_phis): No longer look for
591 nonzero PHI arguments.
592 (cprop_into_successor_phis): No longer propagate nonzero
593 property into PHI arguments. Lose unused argument. Caller
595 (record_equivalences_from_stmt): No longer record nonzero
596 values for SSA_NAMEs.
597 (lookup_avail_expr): No longer use nonzero_vars.
599 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
600 for sizetype when sizetype is unsigned.
602 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
604 PR rtl-optimization/25603
605 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
606 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
607 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
608 with new meaning of SETS.
610 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
615 * config/linux.opt: New file.
616 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
617 LINUX_DYNAMIC_LINKER): Define.
618 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
619 * config.gcc (*-*-linux*): Define extra_options.
620 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
621 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
622 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
623 GLIBC_DYNAMIC_LINKER.
624 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
625 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
626 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
628 * doc/invoke.texi (GNU/Linux Options): New section.
630 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
632 * config/sparc/sparc.md (setjmp): Rewrite.
634 (setjmp_64): Likewise.
636 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
638 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
641 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
643 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
646 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
648 PR rtl-optimization/26296
649 * Makefile.in (loop-invariant.c): Add except.h dependency.
650 * loop-invariant.c: Include except.h.
651 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
653 2005-02-16 Paul Brook <paul@codesourcery.com>
655 * reload1.c (emit_reload_insns): Invalidate dead input registers used
658 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
660 PR rtl-optimization/25636
661 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
662 when deciding whether an insn is an initializing insn.
664 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
666 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
667 (tree_code_size): Ditto.
668 * tree.h (struct tree_memory_tag): Remove parent_var.
669 (struct tree_struct_field_tag): New.
672 (union tree_node): Add sft member.
673 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
675 (create_sft): Add size and offset argument, set SFT_OFFSET and
677 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
678 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
679 * tree-flow-inline.h (get_subvar_at): Update for
681 (var_can_have_subvars): Ditto.
682 (overlap_subvar): Ditto.
683 * print-tree.c (print_node): Print out interesting things for
685 * tree-flow.h (struct subvar): Remove offset and size members.
686 * tree-ssa-operands.c (get_expr_operands): Update for
687 get_indirect_ref_operands changes.
688 (get_indirect_ref_operands): Call add_virtual_operand instead of
689 add_stmt_operand. Only recurse on base var if requested.
690 (access_can_touch_variable): New function.
691 (add_stmt_operand): Split virtual operand handling into ...
692 (add_virtual_operand): Here. Add offset, size, and for_clobber
693 arguments. Prune alias sets.
694 (add_call_clobber_ops): Call add_virtual_operand.
696 2006-02-15 Jakub Jelinek <jakub@redhat.com>
699 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
701 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
702 than TREE_CODE as index into omp_clause_num_ops array.
704 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
706 PR rtl-optimization/26184
707 * modulo-sched.c (generate_reg_moves): Free bitmap vector
709 * modulo-sched.c (sms_schedule): Free g_arr pointer.
710 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
711 must_precede, must_follow and tobe_scheduled.
714 * opts.c (common_handle_option): Free new_option pointer.
715 * df-core.c (df_analyze): Free postorder pointer.
717 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
719 * Makefile.in: Fix the examples about the use of stamps
721 2006-02-15 Michael Matz <matz@suse.de>
725 * stor-layout.c (layout_decl): Zero-width bitfields aren't
726 influenced by maximum_field_alignment or DECL_PACKED.
727 (update_alignment_for_field): Ditto.
728 (place_field): Ditto.
729 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
732 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
734 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
735 (debug_flow_info): Pass it.
736 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
737 * bb-reorder.c (reorder_basic_blocks): Likewise.
738 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
739 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
740 * flow.c (life_analysis, recompute_reg_usage): Likewise.
741 * gcse.c (gcse_main, bypass_jumps): Likewise.
742 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
743 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
744 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
745 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
746 * rtl.h (dump_flow_info): Adjust prototype.
747 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
748 * var-tracking.c (variable_tracking_main): Likewise.
749 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
750 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
753 2006-02-15 Marcin Dalecki <martin@dalecki.de>
755 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
758 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
760 PR tree-optimization/26209
761 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
762 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
764 * tree-cfg.c (replace_uses_by): Do not alter cfg.
766 2006-02-14 Roger Sayle <roger@eyesopen.com>
769 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
770 (X,Y) and the corresponding symmetry related transformations.
771 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
772 (X,Y) and its symmetry related transformations.
774 2006-02-14 Roger Sayle <roger@eyesopen.com>
776 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
779 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
781 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
783 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
786 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
787 support COMDAT group.
788 * configure: Regenerate.
790 2006-02-14 Roger Sayle <roger@eyesopen.com>
795 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
797 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
799 Fix PR tree-optimization/26260
801 * doc/invoke.texi (max-fields-for-field-sensitive): Document
803 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
804 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
805 * tree-ssa-structalias.c (create_variable_info_for): Use
806 MAX_FIELDS_FOR_FIELD_SENSITIVE.
808 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
810 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
812 * tree-ssa-loop-niter.c (number_of_iterations_ne,
813 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
814 of the ending condition.
815 * tree-ssa-loop-manip.c: Include params.h.
816 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
817 tree_unroll_loop): New functions.
818 * tree-pass.h (pass_loop_prefetch): Declare.
819 * loop.c (rest_of_handle_loop_optimize): Test for
820 -fprefetch-loop-arrays-rtl.
821 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
822 * timevar.def (TV_TREE_PREFETCH): New timevar.
823 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
824 pass_loop_prefetch): New.
825 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
826 (cleanup_tree_cfg_loop): Call scev_reset.
827 * common.opt (fprefetch-loop-arrays-rtl): Add.
828 * tree-ssa-loop-prefetch.c: New file.
829 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
830 (new_temp_expr_table): Initialize expr_vars.
831 (free_temp_expr_table): Cleanup expr_vars.
832 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
833 expressions from being merged into one.
834 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
835 (struct tree_niter_desc): Add control, bound and cmp fields.
836 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
838 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
839 (tree-cfgcleanup.o): Add SCEV_H dependency.
840 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
841 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
843 2006-02-14 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/26258
846 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
847 in PHI argument processing.
849 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
851 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
852 new expression in the requested machine mode.
854 2006-02-13 Roger Sayle <roger@eyesopen.com>
856 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
857 directly, instead let do_compare_rtx_and_jump handle this for us.
858 * expr.c (expand_expr_real_1): Likewise.
859 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
860 before do_jump_by_parts_greater.
861 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
862 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
864 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
866 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
868 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
870 PR rtl-optimization/26235
871 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
872 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
875 2006-02-13 Jeff Law <law@redhat.com>
877 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
880 2006-02-13 Jakub Jelinek <jakub@redhat.com>
883 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
884 twice if decl is a builtin. When trying again, call get_callee_fndecl
885 first to verify it is still a builtin.
887 2006-02-13 Geoffrey Keating <geoffk@apple.com>
889 * dwarf2out.c (base_type_die): Don't add AT_name here.
890 (subrange_type_die): Don't add AT_name here.
891 (modified_type_die): Rearrange code flow. Do add AT_name here.
893 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
895 PR rtl-optimization/26247
896 PR rtl-optimization/26248
897 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
899 2006-02-13 Richard Sandiford <richard@codesourcery.com>
901 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
902 * config/fixtfdi.c: Likewise.
903 * config/fixunstfdi.c: Likewise.
904 * config/floatditf.c: Likewise.
906 2006-02-13 Roger Sayle <roger@eyesopen.com>
909 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
910 into (X,C2) if C1 is a subset of the bits of C2. Transform
911 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
913 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
915 2006-02-13 Josh Conner <jconner@apple.com>
918 * varasm.c (function_section): Check for section name before
919 calling select_section on targets that define
920 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
921 unlikely_text_section instead of hot_function_section if
922 first_function_block_is_cold.
924 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
927 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
929 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
931 PR rtl-optimization/26222
932 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
933 after tree->rtl expansion.
934 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
935 before passing it to emit_move_insn.
937 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
939 * doc/invoke.texi (-Write-strings): Document that it is enabled by
941 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
942 Clarify documentation.
943 * c-common.h (warn_write_strings): Remove.
944 * c-common.c (warn_write_strings): Likewise.
945 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
948 2006-02-12 Roger Sayle <roger@eyesopen.com>
951 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
952 (do_jump_parts_zero_rtx): New function renamed from
953 do_jump_parts_equality_rtx. Made static. Add a mode argument.
954 (do_jump_parts_equality_rtx): New function split out from
955 do_jump_parts_equality. Old implementation renamed as above.
956 Call do_jump_parts_zero_rtx if either operand is zero.
957 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
958 do all of the heavy lifting.
959 (do_compare_rtx_and_jump): Handle multi-word comparisons by
960 calling either do_jump_by_parts_greater_rtx or
961 do_jump_by_parts_equality_rtx.
962 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
963 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
964 moved to do_compare_rtx_and_jump, call it directly.
965 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
966 mode argument. Call do_compare_rtx_and_jump.
967 (emit_case_nodes): Update calls to do_jump_if_equal.
969 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
971 PR rtl-optimization/26225
972 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
974 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
976 PR rtl-optimization/26232
977 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
979 2006-02-11 Jason Merrill <jason@redhat.com>
982 * tree-inline.c (declare_return_variable): Just don't use the
983 modify target if it's a gimple complex reg and the return slot
986 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * doc/contrib.texi: Update my entry.
990 2006-02-10 Geoffrey Keating <geoffk@apple.com>
992 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
994 2006-02-10 Diego Novillo <dnovillo@redhat.com>
996 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
999 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1001 * doc/invoke.texi (-floop-optimize2): Removed.
1002 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1003 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1004 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1005 * common.opt (floop-optimize2): Removed.
1006 (fmove-loop-invariants): Enabled by default.
1008 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1010 * tree-if-conv.c (combine_blocks): Free the result of
1011 get_loop_exit_edges.
1013 2006-02-10 Jeff Law <law@redhat.com>
1015 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1017 PR tree-optimization/26213
1018 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1019 loop trying to follow SSA_NAME_VALUE chains.
1021 2006-02-10 Richard Guenther <rguenther@suse.de>
1023 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1024 deal with structures that end in implicitly variable sized arrays.
1026 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1028 PR rtl-optimization/24762
1029 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1032 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1034 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1035 (struct ivopts_data): Add regs_used field.
1036 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1037 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1038 instead of loop_data->regs_used;
1039 (free_loop_data): Do not free aux fields for loops.
1040 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1041 and tree_ssa_iv_optimize_finalize.
1043 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1045 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1047 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1050 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1051 computing the effective result type.
1053 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1056 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1057 (tree_overlaps_hard_reg_set): Declare.
1058 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1059 type and signature to match function type expected by walk_tree.
1060 (tree_overlaps_hard_reg_set): New function.
1061 (decl_conflicts_with_clobbers_p): Rename to:
1062 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1063 Use tree_overlaps_hard_reg_set. Changed caller.
1064 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1065 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1066 * cris.c (cris_md_asm_clobbers): Likewise.
1068 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1070 * reload1.c (emit_input_reload_insns): Delete code that tries to
1071 inherit using find_equiv_reg.
1073 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1075 * c-common.h (flag_const_strings): Don't declare.
1076 * c-common.c (flag_const_strings): Remove.
1077 * c.opt (fconst_strings): Remove.
1078 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1079 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1080 (c_common_init_options): Don't set flag_const_strings.
1081 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1083 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1085 * arm.md (tlobits_cbranch): New pattern.
1086 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1087 testing a single bit.
1089 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1092 * tree-ssa-pre.c (create_component_ref_by_pieces):
1093 Handle RETURN_DECL like VAR_DECL.
1095 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1098 * fold-const.c (fold_indirect_ref_1): Fold
1099 "*(foo *)&complexfoo" to "__real__ complexfoo"
1100 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1102 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1104 * tree-flow-inline.h (var_can_have_subvars):
1105 Volatile variables should not have subvariables.
1107 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1110 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1111 multiplying unsigned values.
1114 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1116 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1118 2006-02-08 Jason Merrill <jason@redhat.com>
1121 * tree.def: Elaborate on difference from MODIFY_EXPR.
1122 * doc/c-tree.texi (INIT_EXPR): Likewise.
1123 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1124 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1125 (gimplify_target_expr): Likewise.
1126 (gimplify_cond_expr): Remove target handling.
1127 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1128 (gimplify_expr): Clobber it here.
1129 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1130 Do return slot optimization if we have an INIT_EXPR.
1133 * tree-inline.c (declare_return_variable): Also clear
1134 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1137 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1140 * gimplify.c (gimplify_one_sizepos): Fix typo.
1142 2006-02-08 Jeff Law <law@redhat.com>
1144 PR tree-optimization/21417
1145 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1146 across a backedge if the control statement at the end of the
1147 block is data dependent on other statements in the same block.
1148 (record_temporary_equivalences_from_stmts): Remove over-conservative
1149 test for threading across backedges.
1151 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1152 control statement, handle all three special cases in the same
1153 manner as they all have the same desired solution. No longer
1154 special case edge flag updating when the post dominator is
1157 2006-02-08 Roger Sayle <roger@eyesopen.com>
1159 * tree.def (CHAR_TYPE): Remove.
1160 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1161 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1162 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1163 (gen_string_type_die): Delete unreachable function.
1165 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1166 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1167 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1168 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1169 * builtins.c (type_to_class): Likewise.
1170 * fold-const.c (fold_convert, build_range_check,
1171 merge_ranges): Likewise.
1172 * expr.c (count_type_elements): Likewise.
1173 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1174 * stor-layout.c (layout_type): Likewise.
1175 * ipa-type-escape.c (type_to_consider): Likewise.
1176 * gimplify.c (omp_firstprivatize_type_sizes,
1177 gimplify_type_sizes): Likewise.
1178 * explow.c (promote_mode): Likewise.
1179 * tree-sra.c (is_sra_scalar_type): Likewise.
1180 * varasm.c (output_constant): Likewise.
1181 * tree-inline.c (remap_type_1): Likewise.
1182 * convert.c (convert_to_pointer, convert_to_real,
1183 convert_to_integer, convert_to_complex): Likewise.
1185 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1187 * df-scan.c (df_def_record_1): A set destination may
1188 be a parallel regardless of mode.
1190 2006-02-08 Roger Sayle <roger@eyesopen.com>
1193 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1194 * config/mips/_tilib.c: Remove.
1195 * config/fixtfdi.c: New libgcc source file.
1196 * config/fixunstfdi.c: New source file.
1197 * config/floatditf.c: New source file.
1198 * config/floatunditf.c: New souce file.
1199 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1200 files above instead of config/mips/_tilib.c.
1201 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1203 2006-02-08 Jeff Law <law@redhat.com>
1205 PR tree-optimization/26169
1206 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1209 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1211 * df.h (DF_REG_SIZE): Return the length of the initialized
1214 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1216 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1217 __muldf3): Return a correctly signed zero.
1219 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1221 * passes.c (register_one_dump_file): Accept the current properties
1222 instead of pass number. Adjust call to dump_register. Remove
1224 (register_dump_files): Now a wrapper around...
1225 (register_dump_files_1): ... this one. Do not modify the pass
1227 (next_pass_1): Cosmetic fix.
1228 (execute_todo): Keep second parameter only. Use curr_properties
1229 instead of fetching it from the pass structure. Check and set
1231 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1232 instead of fetching it from the pass structure. Fix calls to
1233 execute_todo. Update curr_properties and initialize .vcg RTL dump
1234 after running the pass. Reset last_verified.
1235 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1237 (FIRST_AUTO_NUMBERED_DUMP): New.
1238 (dump_register): Remove "num" parameter, assign it within the
1240 (get_dump_file_name): Modify template for dumps.
1241 * tree-dump.h (dump_register): Adjust prototype.
1242 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1243 (PROP_trees): Add PROP_gimple_lomp.
1244 (TODO_set_props): New.
1245 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1246 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1247 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1249 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1251 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1252 (sparc64-*-linux*): Likewise.
1253 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1254 * config/sparc/t-linux: New file.
1255 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1256 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1257 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1258 -m32 -mlong-double-128.
1260 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1261 * config/alpha/t-linux: New file.
1262 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1264 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1265 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1266 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1267 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1268 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1269 (CPP_ARCH32_SPEC): Remove.
1271 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1273 PR tree-optimization/26145
1274 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1277 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1280 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1281 >= 240000 when generating code for SOM runtime.
1282 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1283 to $$dyncall when generating code for SOM runtime..
1285 2006-02-07 Dirk Mueller <dmueller@suse.com>
1288 * doc/invoke.texi (-Wsequence-point): Update documentation
1289 that -Wsequence-point is implemented for C++ as well.
1291 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1293 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1294 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1295 (LIB_SPEC): Likewise.
1296 * doc/invoke.texi (SPARC options): Document -pthread.
1298 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1300 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1303 2006-02-07 Roger Sayle <roger@eyesopen.com>
1305 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1306 Correct comment describing BOOLEAN_TYPE.
1308 2006-02-07 Dirk Mueller <dmueller@suse.com>
1310 * c.opt: C++ frontend supports -Wdiv-by-zero.
1311 * c-opts.c (c_common_handle_option): Remove dead case.
1313 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1315 * configure.ac (TLS assembler check): Do not enable TLS by
1316 default on SPARC/Solaris before version 10.
1317 * configure: Regenerate.
1319 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1321 * doc/invoke.texi (xl-compat): Document conversion and support
1324 2006-02-07 Jeff Law <law@redhat.com>
1326 * tree-vrp.c (find_conditional_asserts): Update comments.
1327 (simplify_stmt_for_jump_threading): New.
1328 (identify_jump_threads, finalize_jump_threads): New.
1329 (vrp_finalize): Call identify_jump_threads.
1330 (execute_vrp): Call finalize_jump_threads.
1331 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1332 (vrp_element, vrp_data, vrp_element_p): Remove.
1333 (vrp_hash_elt, vrp_variables_stack): Remove.
1334 (vrp_hash, vrp_eq, record_range): Remove.
1335 (simplify_cond_and_lookup_avail_expr): Remove.
1336 (extract_range_from_cond): Remove.
1337 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1338 (simplify_stmt_for_jump_threading): New.
1339 (dom_thread_across_edge): New wrapper.
1340 (tree_ssa_dominator_optimize): No longer initialize or
1341 finalize any of the VRP datastructures. Remove iteration
1342 step and simplify as a result of removal of iteration step.
1343 (pass_dominator): Perform a cfg cleanup after DOM.
1344 (dom_opt_finalize_block): Use the new common routines
1345 for threading jumps. Simplify stack management slightly.
1346 No longer need to unwind VRP state.
1347 (record_equivalences_from_incoming_edge): No longer record
1349 (eliminate_redundant_computations): No longer call
1350 simplify_cond_and_lookup_avail_expr.
1351 * tree-flow.h (potentially_threadable_block): Prototype.
1352 (thread_across_edge): Likewise.
1353 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1354 (tree-ssa-threadedge.o): Add dependencies.
1355 * tree-ssa-threadedge.c: New file.
1356 * passes.c (init_optimization_passes): Merge PHIs before
1357 calling VRP. Run VRP again late in the SSA optimization pipeline.
1359 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1361 * df-core.c (df_set_blocks): Do not dereference function pointers.
1362 (df_finish1): Likewise.
1363 (df_hybrid_search_forward): Likewise.
1364 (df_hybrid_search_backward): Likewise.
1365 (df_iterative_dataflow): Likewise.
1366 (df_analyze_problem): Likewise.
1367 (df_compact_blocks): Likewise.
1368 (df_dump): Likewise.
1369 * df-scan.c (df_rescan_blocks): Likewise.
1370 (df_record_entry_block_defs): Likewise.
1372 * genconditions.c (write_conditions): Guard the definition of
1373 'insn_conditions' with the check on GCC version.
1374 (write_writer): Guard the traversal 'insn_conditions' with
1375 the check on GCC version.
1377 2006-02-07 Richard Guenther <rguenther@suse.de>
1381 2006-01-30 Richard Guenther <rguenther@suse.de>
1383 * gimplify.c (gimplify_target_expr): Handle easy cases
1384 without creating a temporary.
1386 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1388 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1389 use of float in probability computations. Use edge probabilities
1390 in place of statically computed probabilities.
1391 (min_spec_prob): New static variable.
1392 (schedule_insns): Initialize it.
1393 (GET_SRC_PROB): Removed.
1394 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1396 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1399 * config/ia64/unwind-ia64.c: Revert last change.
1400 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1401 (INCOMING_FRAME_SP_OFFSET): Define.
1403 2006-02-06 Roger Sayle <roger@eyesopen.com>
1405 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1407 2006-02-07 Ben Elliston <bje@au.ibm.com>
1409 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1410 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1411 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1412 (ix86_return_in_memory): Handle TDmode.
1413 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1414 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1416 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1418 * reorg.c (dbr_schedule): Use dump_file instead of file.
1420 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1423 * config/ia64/predicates.md (extr_len_operand): New predicate.
1424 * config/ia64/ia64.md (extv): Tighten constraints.
1426 (*tbit_and_2): Ditto.
1427 (*tbit_and_3): Ditto.
1428 (*tbit_or_2): Ditto.
1429 (*tbit_or_3): Ditto.
1433 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1436 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1438 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1440 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1441 loop_optimizer_init and loop_optimizer_finalize
1442 * tree-ssa-sink.c (execute_sink_code): Ditto.
1443 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1444 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1445 tree_ssa_loop_done): Ditto.
1446 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1447 * sched-ebb.c: Include output.h.
1448 (schedule_ebbs): Do not use dump argument.
1449 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1450 * loop.c (loop_dump_stream): Removed.
1451 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1453 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1454 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1455 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1456 loop_iterations, strength_reduce, record_biv, record_giv,
1457 final_giv_value, check_final_value, check_ext_dependent_givs,
1458 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1459 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1460 dump_file instead of loop_dump_stream.
1461 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1463 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1465 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1466 * haifa-sched.c: Include output.h
1467 (schedule_insns, sched_init): Do not use dump argument.
1468 * mode-switching.c (optimize_mode_switching): Ditto.
1469 * modulo-sched.c (stats_file): Removed.
1470 (print_node_sched_params): Do not call argument dump_file.
1471 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1472 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1474 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1476 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1477 rtl_loop_init, rtl_loop_done): Ditto.
1478 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1479 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1481 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1482 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1483 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1484 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1485 * emit-rtl.c (renumber_insns): Ditto.
1486 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1487 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1488 * regclass.c (regclass): Ditto.
1489 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1490 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1491 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1492 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1494 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1495 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1497 * gcse.c (gcse_file, debug_stderr): Removed.
1498 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1499 rest_of_handle_gcse): Do not use dump argument.
1500 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1501 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1502 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1503 compute_code_hoist_vbeinout, compute_code_hoist_data,
1504 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1505 compute_store_table, build_store_vectors, insert_insn_start_bb,
1506 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1507 store_motion): Use dump_file instead of gcse_file.
1508 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1509 * profile.c (profile_dump_file): Removed.
1510 (branch_prob): Use dump_file instead of profile_dump_file.
1511 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1513 * tree-ssa-copy.c (dump_copy_of): Ditto.
1514 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1515 dump file to life_analysis.
1516 * bt-load.c (branch_target_load_optimize): Ditto.
1517 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1519 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1520 regclass, dbr_schedule): Declaration changed.
1521 * sched-int.h (sched_init): Declaration changed.
1522 * tree-profile.c (tree_profile_dump_file): Removed.
1523 (tree_profile_hooks): Removed profile_dump_file hook.
1524 * rtl-profile (rtl_profile_dump_file): Removed.
1525 (rtl_profile_hooks): emoved profile_dump_file hook.
1526 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1528 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1529 * tree-cfg.c (build_tree_cfg): Ditto.
1530 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1531 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1532 Declaration changed.
1533 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1534 life_analysis and schedule_insns.
1535 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1537 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1539 * config/mips/mips.c (mips_reorg): Ditto.
1540 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1543 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1545 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1546 (s390_mangle_fundamental_type): New.
1547 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1550 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1551 (alpha_mangle_fundamental_type): New.
1552 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1555 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1557 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1559 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1560 (sparc_mangle_fundamental_type): New.
1562 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1564 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1565 (s390x-*-linux*): Likewise.
1566 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1567 * config/s390/t-linux: New file.
1569 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1571 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1572 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1574 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1576 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1577 (ANTIC_SAFE_LOADS): New macro.
1578 (find_or_generate_expression): Add prototype.
1579 (set_contains_value): Allow null set for sake of not always having
1580 to allocate ANTIC_SAFE_LOADS.
1581 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1582 Allow COMPONENT_REF too.
1583 (valid_in_set): Allow COMPONENT_REF.
1584 Check ANTIC_SAFE_LOADS too.
1585 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1586 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1588 (can_PRE_operation): Add COMPONENT_REF.
1589 (create_component_ref_by_pieces): New function.
1590 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1591 (insert_aux): Move AGGREGATE_TYPE_P check here.
1592 (compute_avail): Set bb local stmt uids.
1593 (pass_pre): Use TODO_update_ssa_only_virtuals.
1595 2006-02-06 Ben Elliston <bje@au.ibm.com>
1597 * configure.ac: Unconditionally disable decimal float by default.
1598 * configure: Regenerate.
1600 2006-02-06 Ben Elliston <bje@au.ibm.com>
1602 * read-rtl.c (read_name): Terminate reading on EOF.
1604 2006-02-06 Ben Elliston <bje@au.ibm.com>
1606 * dfp.c (decimal_real_arithmetic): Change second argument type
1607 from int to enum tree_code. Do not always return true, but now
1608 return result of any call to decimal_do helper functions.
1609 * dfp.h (decimal_real_arithmetic): Update prototype.
1611 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1613 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1615 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1618 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1621 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1623 * tree-vrp.c (cfg_loops): Removed.
1624 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1625 Use current_loops instead of cfg_loops. Pass flags to
1626 loop_optimizer_init.
1627 * cfgloopmanip.c (fix_loop_structure): Update only available
1629 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1630 loop_optimizer_init.
1631 * modulo-sched.c (build_loops_structure): Removed.
1632 (sms_schedule): Use loop_optimizer_init.
1633 * loop-init.c (loop_optimizer_init): Use flags to determine
1634 which properties of loops to prepare.
1635 (rtl_loop_init): Pass flags to loop_optimizer_init.
1636 * tree-ssa-sink.c (execute_sink_code): Ditto.
1637 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1638 * tree-ssa-pre.c (init_pre): Ditto.
1639 * cfgloop.h (LOOPS_NORMAL): New.
1640 (loop_optimizer_init): Declaration changed.
1642 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1644 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1645 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1647 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1649 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1651 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1652 * pa/t-pa64: Delete quadlib.c rule.
1653 * pa/x-ada: Revert last change.
1654 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1656 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1658 PR rtl-optimization/26087
1659 * rtlanal.c (canonicalize_condition): Do not cross basic block
1662 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1665 * config/ia64/ia64.c: Include debug.h.
1666 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1667 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1668 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1669 (process_epilogue, process_set, process_for_unwind_directive):
1670 Output unwind info only if requested. Add CFA info if requested.
1671 Add new arguments as needed. Adjust callers.
1672 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1674 (DWARF2_FRAME_INFO): Define to zero.
1675 * config/ia64/unwind-ia64.c: Remove code that compensated for
1676 the CFA offset error fixed above.
1677 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1678 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1679 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1680 -funwind-tables and -fexceptions to enable frame info.
1681 (dwarf2out_frame_init): Define initial CFA even if
1682 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1683 DWARF2_UNWIND_INFO is nonzero, not just defined.
1684 (dwarf2out_frame_finish): Output non-EH call frame info only
1685 if DWARF2_FRAME_INFO is nonzero.
1686 (convert_cfa_to_loc_list,
1687 compute_frame_pointer_to_cfa_displacement): Define even if
1688 unwind info is not supported.
1689 (gen_subprogram_die): Use the above unconditionally. Remove
1690 legacy alternate code.
1691 * toplev.c (compile_file): Compile in call to
1692 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1693 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1695 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1696 Jakub Jelinek <jakub@redhat.com>
1698 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1699 IBM extended float format long double as "g" on powerpc*-linux.
1701 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1704 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1705 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1707 2006-02-03 Jason Merrill <jason@redhat.com>
1710 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1713 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1714 on the return slot if it's an NRV.
1716 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1718 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1719 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1720 rewrite_use): Do not handle USE_OUTER.
1721 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1722 add_iv_outer_candidates, may_replace_final_value,
1723 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1724 (find_interesting_uses_op): Functionality of
1725 find_interesting_uses_outer_or_nonlin moved here.
1726 (find_interesting_uses_outside): Use find_interesting_uses_op.
1728 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1731 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1733 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1734 Ulrich Weigand <uweigand@de.ibm.com>
1737 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1738 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1739 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1740 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1742 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1743 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1744 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1745 Define secondary reloads for TFmode moves.
1746 (constant_modes): Add TFmode.
1747 (NR_C_MODES): Set to 8.
1748 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1750 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1751 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1752 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1753 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1754 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1755 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1756 (FPR mode macro): Add TFmode.
1757 (DSF mode macro): New.
1758 (<de>, <dee> mode attributes): Removed.
1759 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1760 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1761 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1762 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1763 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1764 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1765 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1766 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1767 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1768 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1769 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1770 "*negabs<mode>2", "sqrt<mode>2"):
1771 Changed <de> to <xde>. R constraint replaced by <Rf>.
1772 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1774 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1775 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1776 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1778 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1779 "extenddftf2", "extendsftf2"): New expanders.
1780 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1781 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1782 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1783 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1785 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1786 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1787 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1788 __floatditf): Add a GCC_4.1.0 symbol version tag.
1789 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1792 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1795 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1796 Use targetm.binds_local_p instead of TREE_PUBLIC.
1798 2006-02-02 Roger Sayle <roger@eyesopen.com>
1800 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1801 on INTEGER_TYPEs to indicate that it denotes a character type.
1802 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1803 signed_char_type_node, unsigned_char_type_node and char_type_node.
1804 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1805 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1806 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1808 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1809 Daniel Berlin <dberlin@dberlin.org>
1811 * tree-tailcall.c (arg_needs_copy_p): New function.
1812 (eliminate_tail_call): Use arg_needs_copy_p.
1813 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1814 (add_virtual_phis): New function.
1816 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1818 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1819 #ignore instead of #scratch for %g7 .register directive.
1821 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1823 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1826 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1828 * flow.c (calculate_global_regs_live): Assert that there aren't any
1831 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1833 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1835 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1836 bsi_after_labels iterator.
1837 * tree-if-conv.c (find_phi_replacement_condition,
1838 replace_phi_with_cond_modify_expr): Likewise.
1839 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1840 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1842 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1844 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1846 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1849 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1850 array after growing it.
1852 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1855 * fold-const.c (fold_checksum_tree): Change type of buf.
1857 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1859 * reload.c (push_secondary_reload): Initialize t_icode.
1861 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1863 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1864 -msoft-float -mlong-double-128 only issue a warning, but don't
1865 swich to DFmode long double.
1867 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1869 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1870 has a constant equivalent, iterate over equivalents for arg0,
1871 calling simplify_relational_operation and if there's a result
1872 cheaper than X, apply fold_rtx and return the result.
1874 2006-02-01 Jan Hubicka <jh@suse.cz>
1876 * opts.c (no_unit_at_a_time_default): New global variable.
1877 (decode_options): Use it.
1878 * opts.h (no_unit_at_a_time_default): Declare.
1880 2006-02-01 Paul Brook <paul@codesourcery.com>
1882 * function.c (assign_parm_setup_reg): Use function argument promotion
1884 * expr.c (expand_expr_real_1): Use function argument promotion rules
1887 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1889 * gcc.c (process_command): Change j to 'unsigned int'.
1891 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1894 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1895 Use the corrected index for the character
1896 out of the string constant.
1898 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1900 * mode-switching.c (optimize_mode_switching): Fix size
1901 allocated for bb_info[n_entities].
1903 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1905 * gcc.c (main): Correct type that is allocated for
1906 explicit_link_files.
1908 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1910 * config/s390/s390.c (init_alignment_context): Set
1911 ALIAS_SET_MEMORY_BARRIER on the MEM.
1912 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1914 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1917 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1919 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1922 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1924 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1925 * regrename.c: Ditto.
1926 * tree-ssa-loop-im.c: Ditto.
1927 * tree-dump.c: Ditto.
1928 * tree-complex.c: Ditto.
1929 * genrecog.c: Ditto.
1930 * tree-ssa-threadupdate.c: Ditto.
1932 * java/class.c: Ditto.
1933 * java/jcf-parse.c: Ditto.
1934 * java/resource.c: Ditto.
1935 * java/except.c: Ditto.
1936 * java/jvspec.c: Ditto.
1937 * java/jcf-write.c: Ditto.
1938 * java/jcf-path.c: Ditto.
1939 * java/gjavah.c: Ditto.
1940 * java/zextract.c: Ditto.
1941 * java/jcf-io.c: Ditto.
1942 * java/jcf.h: Ditto.
1943 * java/buffer.c: Ditto.
1944 * java/lang.c: Ditto.
1945 * java/parse-scan.y: Ditto.
1946 * java/lex.c: Ditto.
1947 * java/lex.h: Ditto.
1948 * cfgloopmanip.c: Ditto.
1949 * postreload-gcse.c: Ditto.
1950 * tree-ssa-loop-manip.c: Ditto.
1951 * postreload.c: Ditto.
1952 * tree-ssa-loop-ch.c: Ditto.
1956 * diagnostic.c: Ditto.
1958 * genoutput.c: Ditto.
1960 * cfghooks.c: Ditto.
1961 * cfgloopanal.c: Ditto.
1962 * objc/objc-act.c: Ditto.
1964 * genextract.c: Ditto.
1965 * genautomata.c: Ditto.
1966 * pretty-print.c: Ditto.
1968 * cgraphunit.c: Ditto.
1971 * haifa-sched.c: Ditto.
1972 * dominance.c: Ditto.
1974 * tree-ssa-loop-ivopts.c: Ditto.
1976 * mode-switching.c: Ditto.
1977 * modulo-sched.c: Ditto.
1979 * ipa-pure-const.c: Ditto.
1981 * fix-header.c: Ditto.
1983 * tree-stdarg.c: Ditto.
1984 * ipa-utils.c: Ditto.
1985 * loop-init.c: Ditto.
1986 * ipa-inline.c: Ditto.
1989 * alloc-pool.c: Ditto.
1990 * dwarf2out.c: Ditto.
1992 * genattrtab.c: Ditto.
1993 * tree-ssa-loop-ivcanon.c: Ditto.
1997 * fortran/gfortranspec.c: Ditto.
1999 * local-alloc.c: Ditto.
2000 * langhooks.c: Ditto.
2001 * function.c: Ditto.
2002 * tree-vectorizer.c: Ditto.
2004 * ipa-type-escape.c: Ditto.
2006 * tree-if-conv.c: Ditto.
2009 * tree-data-ref.c: Ditto.
2010 * loop-unroll.c: Ditto.
2011 * treelang/treetree.c: Ditto.
2014 * ggc-common.c: Ditto.
2016 * coverage.c: Ditto.
2018 * tree-cfgcleanup.c: Ditto.
2019 * tree-ssa-pre.c: Ditto.
2020 * cfgcleanup.c: Ditto.
2021 * loop-invariant.c: Ditto.
2023 * ipa-prop.c: Ditto.
2024 * print-tree.c: Ditto.
2025 * conflict.c: Ditto.
2026 * ggc-page.c: Ditto.
2027 * sched-deps.c: Ditto.
2028 * regclass.c: Ditto.
2029 * tree-object-size.c: Ditto.
2031 * bb-reorder.c: Ditto.
2032 * resource.c: Ditto.
2033 * var-tracking.c: Ditto.
2035 * df-problems.c: Ditto.
2036 * reg-stack.c: Ditto.
2039 * sched-rgn.c: Ditto.
2040 * tree-ssa-structalias.c: Ditto.
2041 * tree-ssa-reassoc.c: Ditto.
2042 * config/darwin-c.c: Ditto.
2043 * config/darwin.c: Ditto.
2044 * config/arm/arm.c: Ditto.
2046 * collect2.c: Ditto.
2049 2006-01-31 Nicolas Pitre <nico@cam.org>
2051 * arm.md (smaxsi3): Make aware of smax_m1.
2054 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2056 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2058 2006-01-31 Richard Guenther <rguenther@suse.de>
2060 * doc/invoke.texi (-msselibm): Document.
2061 * target.h (expand_library_builtin): New target hook.
2062 * builtins.c (expand_builtin): Use expand_library_builtin.
2063 (default_expand_library_builtin): New function.
2064 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2065 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2066 (link_gcc_math_spec): Declare.
2067 (static_specs): Add link_gcc_math_spec.
2068 * expr.h (default_expand_library_builtin): Declare.
2069 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2070 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2071 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2072 * config/i386/i386.opt (msselibm): New target option.
2073 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2074 (ix86_init_sse_abi_builtins): New function.
2075 (ix86_expand_library_builtin): Likewise.
2076 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2077 (override_options): Handle error conditions wrt -msselibm.
2078 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2079 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2080 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2083 2006-01-31 Richard Guenther <rguenther@suse.de>
2084 Paolo Bonzini <bonzini@gnu.org>
2086 * doc/install.texi (--disable-libgcc-math): Document.
2088 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2090 * expr.h (expand_normal): new inline function.
2091 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2093 * dwarf2out.c: use it.
2098 * config/sparc/sparc.c: use it.
2099 * config/i386/i386.c: use it.
2100 * config/rs6000/rs6000.c: use it.
2101 * config/arm/arm.c: use it.
2102 * config/mips/mips.c: use it.
2103 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2105 2006-01-30 Roger Sayle <roger@eyesopen.com>
2107 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2108 argv to the appropriate type.
2110 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2112 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2115 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2118 * config/s390/s390.c (struct machine_function): New flag
2119 decomposed_literal_pool_addresses_ok_p.
2120 (s390_reorg): Set it before final stage of literal pool transforms.
2121 (s390_decompose_address): Only accept displacements of the form
2122 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2124 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2126 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2127 the comparison routine return.
2129 2006-01-30 Michael Matz <matz@suse.de>
2131 * global.c (find_reg): Only evict for global regs.
2132 Take n_refs into account and dump more info.
2134 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2137 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2138 (pragma_trap, pragma_nosave_low_regs): Likewise.
2139 (current_function_anonymous_args): Likewise.
2140 (sh_deferred_function_attributes): New variable.
2141 (sh_deferred_function_attributes_tail): Likewise.
2142 (print_operand): For '@', look up trap_exit attribute.
2143 (calc_live_regs): Look up trapa_handler attribute. For trapa
2144 handlers, save/restore fpscr, but don't do any other
2145 interrupt-specific saves.
2146 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2147 Fix check for partially saved registers to check for SHmedia.
2148 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2149 (sh_output_function_epilogue): Don't clear any of the removed
2151 (sh_insert_attributes): Don't check pragma_interrupt.
2152 Insert deferred attributes. Check that interrupt attribute is
2153 present for other attributes that require its presence.
2154 (sh_attribute_table): Add new attributes trapa_handler and
2156 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2157 Don't check for pragma_interrupt. Don't store argument.
2158 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2159 (sh_deferred_function_attributes): Declare.
2160 (sh_deferred_function_attributes_tail): Likewise.
2161 * sh.md (sp_switch_1): Add operand. Change generator caller.
2162 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2163 (*return_i): Don't use when trap_exit attribute is in effect.
2164 (*return_trapa): New insn pattern.
2166 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2167 setting c_target_objs and cxx_target_objs.
2168 * t-sh: Add rule for sh-c.o.
2170 2006-01-30 Richard Guenther <rguenther@suse.de>
2173 * gimplify.c (gimplify_target_expr): Handle easy cases
2174 without creating a temporary.
2176 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2178 * vec.h (safe_grow): Remove duplicated line.
2180 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2183 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2184 (expand_omp): ... here.
2185 (expand_omp_parallel): Only remove barriers for combined
2186 parallel+workshare constructs.
2188 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2192 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2193 * tree.c (build_qualified_type): Chain the new type to the original
2194 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2195 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2196 (build_pointer_type_for_mode): Only return unqualified types.
2197 (build_reference_type_for_mode): Likewise.
2199 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2201 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2202 * Makefile.in (CXX_COMPAT_WARN): Define.
2203 * configure: Regenerate.
2205 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2208 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2211 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2213 * toplev.c: Fix thinko.
2215 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2216 Marcin Dalecki <martin@dalecki.de>
2218 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2219 (push_srcloc): Use XNEW.
2220 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2222 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2224 * df-core.c (df_set_blocks): Deleted all variable.
2226 2006-01-28 Ian Lance Taylor <ian@airs.com>
2228 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2229 cgraph_output_pending_asms.
2231 2006-01-28 Zack Weinberg <zackw@panix.com>
2233 * c.opt: Add -W(no-)overlength-strings.
2234 * doc/invoke.texi: Document it.
2235 * c-opts.c (c_common_handle_option): -pedantic implies
2236 -Woverlength-strings, if not explicitly disabled already.
2237 (c_common_post_options): -Woverlength-strings defaults to off, and
2238 is always off for C++.
2239 * c-common.c (fix_string_type): Issue warning about strings longer
2240 than is portable only if warn_overlength_strings. Rearrange code
2241 a little for clarity.
2242 * configure.in: Check for -Wno-overlength-strings as well before
2243 enabling -pedantic in stage 1.
2244 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2245 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2247 * genconditions.c (write_header, write_one_condition)
2248 (write_conditions, write_writer): Consolidate very long strings
2249 that were broken up to fit in C89 portable limit. Don't use
2250 printf when fputs will do.
2252 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2254 * combine.c (simplify_comparison <AND>): Check
2255 TRULY_NOOP_TRUNCATION before start using a subreg.
2257 * config/mips/mips.md (*branch_zero<mode>,
2258 *branch_zero<mode>_inverted, *branch_equality<mode>,
2259 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2260 Remove mode check from comparisons.
2262 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2264 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2266 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2268 * expmed.c (const_mult_add_overflow_p): Remove.
2269 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2271 * recog.c (validate_replace_rtx_subexp): Remove.
2272 * recog.h: Remove the prototype for
2273 validate_replace_rtx_subexp.
2275 * integrate.h: Remove the prototype for
2276 copy_decl_for_inlining.
2277 * rtl.h: Remove the prototype for mark_constant_function.
2278 * tree-vectorizer.h: Remove the prototype for
2279 vect_strip_conversion.
2281 * modulo-sched.c (create_partial_schedule,
2282 free_partial_schedule, reset_partial_schedule): Make them
2285 * hooks.c (hook_bool_rtx_int_false): Remove.
2286 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2288 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2290 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2291 and -mlong-double-128 are incompatible.
2292 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2293 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2294 (TARGET_LIBGCC2_CFLAGS): Define.
2295 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2296 (TARGET_LIBGCC2_CFLAGS): Same.
2297 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2299 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2302 * c-typeck.c (build_binary_op): Perform implicit casts of
2303 operands before shortening them.
2305 * cfgloopmanip.c (split_loop_bb): Remove.
2306 * cfgloop.h: Remove the prototype for split_loop_bb.
2308 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2309 * cfgloop.h: Remove the prototype for
2310 flow_loop_outside_edge_p.
2312 * emit-rtl.c (init_virtual_regs): Make it static.
2313 * function.h: Remove the prototype for init_virtual_regs.
2315 * recog.c (peephole2_optimize): Make it static.
2316 * recog.h: Remove the prototype for peephole2_optimize.
2318 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2320 * df-scan.c (df_record_entry_block_defs): Check if
2321 INCOMING_RETURN_ADDR_RTX is defined.
2323 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2324 Kenneth Zadeck <zadeck@naturalbridge.com>
2326 PR rtl-optimization/24762
2327 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2328 * targhooks.c (hook_void_bitmap): New hook prototype.
2329 * targhoohs.h (hook_void_bitmap): Ditto.
2330 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2331 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2332 * target.h (live_on_entry): New function pointer.
2333 * df-scan.c (df_all_hard_regs): Removed.
2334 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2335 (df_scan_free_internal): Added df->entry_block_defs.
2336 (df_scan_alloc): Ditto.
2337 (df_scan_dump): Ditto.
2338 (df_uses_record): Plumbed flag field properly thru calls.
2339 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2340 This part fixes PR24762.
2341 (df_bb_refs_record): Added code to make the frame and arg
2342 pointers live in EH blocks.
2343 (df_refs_record): Added call to df_record_entry_block_defs.
2344 (df_record_entry_block_defs): New function.
2345 * df-core.c: Added comments to describe new artifical defs.
2346 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2347 (entry_block_defs): New field in struct df.
2348 (df_all_hard_regs): Deleted.
2349 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2350 * df-problems.c (df_ru_bb_local_compute_process_def):
2351 Added code to handle artifical defs in the entry to a function.
2352 (df_ru_bb_local_compute): Ditto.
2353 (df_rd_bb_local_compute_process_def): Ditto.
2354 (df_rd_bb_local_compute): Ditto.
2355 (df_lr_bb_local_compute): Ditto.
2356 (df_ur_bb_local_compute): Ditto.
2357 (df_urec_bb_local_compute): Ditto.
2358 (df_chain_create_bb): Ditto.
2359 (df_ur_local_finalize): Removed entry.
2360 (df_urec_init): Ditto.
2361 (df_urec_local_finalize): Ditto.
2362 (df_ri_bb_compute): Added detection of last use of pseudos.
2363 * Makefile.in (df-scan.o): Updated dependencies.
2364 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2365 * config/mips/mips.c (mips_set_live_on_entry): Added.
2366 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2368 * dce.c (marked_insn_p): Added code to handle artifical defs.
2370 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2372 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2374 (_mm_cvtsi128_si64): Likewise.
2375 (_mm_cvtsd_si64): Likewise.
2376 (_mm_cvttsd_si64): Likewise.
2377 (_mm_cvtsi64_sd): Likewise.
2378 (_mm_cvtsi64_si128): Likewise.
2379 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2380 (_mm_cvtsi64_m64): Likewise.
2381 (_m_to_int64): Likewise.
2382 (_mm_cvtm64_si64): Likewise.
2383 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2384 (_mm_cvttss_si64): Likewise.
2385 (_mm_cvtsi64_ss): Likewise.
2386 (_mm_cvtss_f32): Likewise.
2388 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2390 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2391 for pragma redefine_extname.
2393 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2396 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2397 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2398 -mno-minimal-toc to previous content.
2399 (bispecs): Remove goal.
2400 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2401 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2402 compatibility aliases on powerpc-*-*gnu*.
2403 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2404 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2405 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2406 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2407 (ldblspecs): New goal.
2408 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2409 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2411 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2412 L_sf_to_tf or L_df_to_tf is defined.
2414 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2415 Alan Modra <amodra@bigpond.net.au>
2418 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2419 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2420 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2421 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2422 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2423 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2424 (rs6000_override_options): Initialize rs6000_ieeequad.
2425 Initialize TFmode format to ibm_extended_format if not
2427 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2429 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2430 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2431 (function_arg_advance): IBM long double passed in two FPRs, not
2433 (function_arg): IBM long double passed in FPRs.
2434 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2435 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2436 Only multireg GPR aligned.
2437 (rs6000_init_libfuncs): Enable IBM long double functions if not
2439 (rs6000_generate_compare): Use IBM long double compare if not
2441 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2442 (TARGET_IEEEQUAD): Define.
2443 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2444 not TARGET_IEEEQUAD.
2445 * config/rs6000/rs6000.md: Enable TFmode patterns if
2447 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2448 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2449 and -mlong-double-128 are incompatible.
2450 * doc/invoke.texi (-mabi): Collect options together. Add
2451 ibmlongdouble and ieeelongdouble.
2453 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2455 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2457 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2458 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2459 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2460 * rtl.h (rtunion_def): Remove rt_ptr.
2462 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2463 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2464 * config/i386/winnt.c (i386_pe_mark_dllexport)
2465 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2467 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2469 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2471 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2475 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2476 pthread_key_delete. From John David Anglin. gthrw-ify
2477 pthread_getunique_np only if it it's not a macro. Delete
2479 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2480 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2481 __gthread_objc_condition_signal, __gthread_key_delete): Add
2482 "__attribute__ ((__unused__))" to unused arguments.
2483 (__gthread_recursive_mutex_init_function): Add missing return.
2484 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2485 gthr-posix95.h: Use macro-based approach for name redirection
2486 on targets missing weakref.
2488 2006-01-26 Zack Weinberg <zackw@panix.com>
2490 * genconditions.c (write_header): In generated code, #ifdef out
2491 all includes and fake declarations, except includes of bconfig.h
2492 and system.h, unless GCC_VERSION >= 3001. Do not include
2493 gensupport.h in any case.
2494 (write_conditions): Generate a definition of struct c_test. Add
2495 a comment to the generated #endif.
2496 (write_one_condition): Escape backslashes in string too.
2497 (write_writer): Generated code must escape backslashes and quote
2498 marks (but not newlines) in the strings it writes.
2499 * Makefile.in (build/gencondmd.o): Update dependencies.
2501 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2504 * Makefile.in (insn-automata.o): Add header file dependencies.
2505 * genautomata.c: Add includes.
2507 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2510 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2512 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2514 * configure.ac: Expect target tools paths to be passed from the toplevel
2515 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2517 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2519 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2522 * c.opt (Wpointer-sign): Init to -1.
2523 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2524 OPT_pedantic, to 0 otherwise.
2525 * doc/invoke.texi: Update.
2527 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2529 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2530 constants provided by 80387 instructions in the destination mode.
2532 2006-01-26 Richard Guenther <rguenther@suse.de>
2533 Andrew Pinski <pinskia@physics.uc.edu>
2536 partial PR tree-opt/17064
2537 * tree-ssa-structalias.c (intra_create_variable_infos):
2538 Create heap variables for incoming parameters if
2539 flag_argument_noalias > 1.
2540 (find_what_p_points_to): Look through default defs of
2543 2006-01-26 Jeff Law <law@redhat.com>
2546 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2547 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2548 within the VR_RANGE, use the VR_RANGE as the result, not the
2550 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2551 bounds for the type.
2553 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2555 * tree-ssa-alias.c (maybe_create_global_var): Change
2556 subvar walking to an assertion that we don't have subvar'd variables.
2558 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2561 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2562 Use a new variable, inner. PARM_DECLs are always non-weak.
2564 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2566 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2569 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2571 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2573 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2575 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2576 (smax_insn, smin_insn, smax_0, smin_0): New.
2578 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2581 * config/cris/cris.c (cris_order_for_addsi3): New function.
2582 * config/cris/cris-protos.h: Prototype it.
2583 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2584 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2585 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2586 (split for "op.S1 [rx=rx+i],ry (swapped)")
2587 (split for "op(s|u).S1 [rx=rx+i],ry")
2588 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2589 Apply cris_order_for_addsi3 when generating addsi3 insns.
2591 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2593 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2594 (TREE_BLOCK): Add call to EXPR_CHECK.
2596 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2599 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2600 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2601 (dump_omp_clauses): ... here.
2602 (dump_generic_node): Handle OMP_CLAUSE.
2603 * tree.c (omp_clause_num_ops): New.
2604 (omp_clause_code_name): New.
2605 (tree_code_size): Handle OMP_CLAUSE.
2606 (tree_size): Likewise.
2607 (make_node): Document handling of OMP_CLAUSE.
2608 (tree_node_structure): Handle OMP_CLAUSE.
2609 (omp_clause_check_failed): New.
2610 (omp_clause_range_check_failed): New.
2611 (omp_clause_operand_check_failed): New.
2612 (build_omp_clause): New.
2613 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2614 * tree.h (enum omp_clause_code): Declare.
2615 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2616 (OMP_CLAUSE_RANGE_CHECK): Define.
2617 (OMP_CLAUSE_ELT_CHECK): Define.
2618 (omp_clause_check_failed): Declare.
2619 (omp_clause_operand_check_failed): Declare.
2620 (omp_clause_range_check_failed): Declare.
2621 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2622 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2623 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2624 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2625 (OMP_CLAUSE_IF_EXPR): Likewise.
2626 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2627 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2628 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2629 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2630 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2631 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2632 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2633 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2634 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2635 (OMP_CLAUSE_CODE): Define.
2636 (OMP_CLAUSE_SET_CODE): Define.
2637 (OMP_CLAUSE_CODE): Define.
2638 (OMP_CLAUSE_OPERAND): Define.
2639 (struct tree_omp_clause): Declare.
2640 (union tree_node): Add field 'omp_clause'.
2641 * treestruct.def (TS_OMP_CLAUSE): Define.
2642 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2643 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2644 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2645 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2646 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2647 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2648 (OMP_CLAUSE): Define.
2649 * print-tree.c (print_node): Handle OMP_CLAUSE.
2650 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2651 * c-typeck.c: Likewise.
2652 * gimplify.c: Likewise.
2653 * c-omp.c: Likewise.
2654 * tree-nested.c: Likewise.
2655 * tree-inline.c: Likewise.
2656 * c-parser.c: Likewise.
2657 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2660 2006-01-25 Roger Sayle <roger@eyesopen.com>
2662 PR rtl-optimization/25703
2663 * combine.c (try_combine): Handle zero_extract and strict_low_part
2664 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2666 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2668 * global.c: Fix comment typos.
2670 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2673 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2674 Use output_addr_const instead of assemble_name.
2676 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2678 * Makefile.in (sched-vis.o): Update dependencies.
2679 * haifa-sched.c (sched_finish): Clear current_sched_info.
2680 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2681 (dump_flow_info): Call it.
2682 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2684 * basic-block.h (dump_bb_info): Declare.
2685 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2686 option, and apply options only for dump files whose TDF_RTL,
2687 TDF_TREE, or TDF_IPA bits match.
2688 * rtl.h: Declare new functions exported from sched-vis.c.
2689 * sched-vis.c: Enable also if scheduling is not used.
2690 (print_value): Print the mode of registers if not inside scheduling.
2691 (print_insn): Make it work outside the scheduler. Beautify the output
2693 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2695 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2697 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2698 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2699 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2700 depending on the value of CONSTANT_POOL_ADDRESS_P.
2701 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2703 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2704 rather than SYMBOL_REF_DECL.
2705 (rtx_constant_pool): Remove const_rtx_sym_htab.
2706 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2707 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2708 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2709 Remove handling of const_rtx_sym_htab.
2710 (find_pool_constant): Delete.
2711 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2712 rather than find_pool_constant.
2713 (get_pool_constant_for_function): Delete.
2714 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2716 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2717 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2718 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2719 (SYMBOL_REF_CONSTANT): New macro.
2720 (get_pool_constant_for_function): Delete.
2721 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2722 rather than SYMBOL_REF_DECL.
2723 (i386_pe_mark_dllimport): Likewise.
2724 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2725 rather than SYMBOL_REF_DECL.
2726 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2727 (machopic_indirect_call_target): Likewise.
2729 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2731 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2733 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2735 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2737 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2739 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2741 2006-01-24 David Daney <ddaney@avtrex.com>
2744 * configure.ac (enable_tls): New enable option.
2745 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2746 * configure: Regenerate.
2747 * doc/install.texi (--enable-tls): Document new option.
2748 (--disable-tls): Ditto.
2750 2006-01-24 Richard Henderson <rth@redehat.com>
2752 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2753 * alias.c (true_dependence): Respect it.
2754 (canon_true_dependence, write_dependence_p): Likewise.
2755 * builtins.c (get_builtin_sync_mem): Set it.
2757 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2759 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2762 2006-01-24 DJ Delorie <dj@redhat.com>
2764 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2765 for storing constants in single-bit bitfields.
2767 2006-01-25 Ben Elliston <bje@au.ibm.com>
2769 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2771 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2774 * tree-ssa-pre.c (phi_translate): Return NULL
2775 for AGGREGATE_TYPE's.
2777 2006-01-24 Zack Weinberg <zackw@panix.com>
2779 * genautomata.c (process_state_for_insn_equiv_partition):
2780 Use xcalloc for insn_arcs_array.
2781 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2782 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2784 2006-01-24 Richard Henderson <rth@redhat.com>
2786 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2789 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2791 PR rtl-optimization/25890
2792 PR rtl-optimization/25905
2793 * combine.c (expand_compound_operation, expand_field_assignment):
2794 Fail if the bitfield's final position is out of bounds.
2796 2006-01-24 Ian Lance Taylor <ian@airs.com>
2799 * cgraphunit.c (cgraph_output_in_order): Don't clear
2800 cgraph_asm_nodes until after asm strings have been output.
2802 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2804 * fix-header.c (read_scan_file): Add new parameter imultilib when
2805 calling register_include_chains.
2807 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2809 * omp-low.c: Update documentation.
2811 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2812 Daniel Berlin <dberlin@dberlin.org>
2816 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2817 return from the function.
2819 2006-01-22 Zack Weinberg <zackw@panix.com>
2821 * rtl.def (match_code): Add second argument.
2822 * genpreds.c (write_extract_subexp): New function.
2823 (write_match_code): Add path argument. Use write_extract_subexp.
2824 (write_predicate_expr): Pass path to write_match_code.
2825 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2826 not perform a mode test.
2827 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2828 a subexpression does not constrain the top-level code set.
2829 * read-rtl.c (read_rtx_variadic): New function.
2830 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2831 * doc/md.texi: Document new notation.
2832 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2833 (cmpsi_operand): ... here, using new notation.
2835 2006-01-22 Zack Weinberg <zackw@panix.com>
2837 * varray.c: Remove GENERATOR_FILE #ifdefs.
2839 2006-01-22 Zack Weinberg <zackw@panix.com>
2841 * genautomata.c (output_reserved_units_table): Emit nothing if
2842 description->query_units_num is zero. Remove extra blank line.
2843 (output_cpu_unit_reservation_p): Short circuit
2844 if description->query_units_num is zero.
2846 2006-01-22 Zack Weinberg <zackw@panix.com>
2848 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2849 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2850 nor any of the random handful of variables that used to be necessary
2851 when this program was linked with rtlanal.o. Prune set of forward
2852 function declarations.
2853 (struct attr_desc): Remove static_p field.
2854 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2855 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2856 (attr_string): Do not read the character one past the length of
2858 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2859 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2860 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2861 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2862 (make_automaton_attrs): New.
2863 (main): Do not call into genautomata. Call local gen_bypass
2864 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2865 Remove special case for insn_alts.
2866 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2867 varray.h (leftover from previous change). Prune set of forward
2868 function declarations. Remove state_alts fields from all
2869 structures. Remove state_alts_table from struct automaton.
2870 Make everything except main static. Do not maintain num_dfa_decls.
2871 Do not maintain state_alts fields of various structures.
2872 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2873 (add_arc): Remove state_alts argument. All callers updated.
2874 (output_reserved_units_table): Emit #ifdef here...
2875 (output_tables): ...not here. Don't generate state_alts tables.
2876 (expand_automata): Don't generate attributes.
2877 (write_automata): Don't generate state_alts functions.
2878 (main): New function.
2879 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2880 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2881 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2882 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2883 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2884 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2885 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2886 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2888 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2889 * genattrtab.h: Delete file.
2890 * Makefile.in (OBJS-common): Add insn-automata.o.
2891 (insn-automata.o): New rule.
2892 (simple_generated_c): Add insn-automata.c.
2893 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2894 (genprogmd): Add automata.
2895 (build/genattrtab): Needs no extra objects nor libraries.
2896 (build/genautomata): Needs build/vec.o and -lm.
2898 2006-01-22 Zack Weinberg <zackw@panix.com>
2900 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2901 (output_dfa_max_issue_rate, locked_states_num): Delete.
2902 (struct automaton): Add locked_states field.
2903 (output_dead_lock_vect): Save number of locked states in
2904 automaton->locked_states. If it is zero, don't print anything.
2905 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2906 (output_internal_dead_lock_func): Only test the dead_lock_vect
2907 for automata that have locked states.
2908 (output_statistics): Always print the number of locked states for
2909 each automaton. Calculate total number of locked states here.
2910 (write_automata): Don't call output_dfa_max_issue_rate.
2911 * genattrtab.c: Define length_unit_log as a const variable.
2912 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2913 max_insn_queue_index const.
2914 * final.c (length_unit_log): Declare const.
2915 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2917 2006-01-22 Zack Weinberg <zackw@panix.com>
2919 * genautomata.c: Include vec.h, not varray.h.
2920 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2921 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2922 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2923 VEC_* macros operating on appropriately typed vectors, or to
2924 malloced arrays when the size is known in advance. Const-ify
2925 many char* variables and function arguments. No functional changes.
2926 * Makefile.in (build/varray.o): Delete rule.
2927 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2928 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2930 2006-01-22 Zack Weinberg <zackw@panix.com>
2932 * gensupport.c: Define get_insn_name and record_insn_name here.
2933 (read_md_rtx): Call record_insn_name as appropriate.
2934 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2935 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2936 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2938 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2939 (BUILD_VARRAY): Delete.
2940 (genprognormal): Rename genprogmd. Fold in all programs from
2941 genprognoprint; also attrtab.
2942 (build/genattrtab): Just mention genautomata.o and varray.o.
2943 Reorganize a bit, add comments to make the categories clearer.
2945 2006-01-22 Zack Weinberg <zackw@panix.com>
2947 * genconditions.c (condition_table, add_condition): Delete.
2948 (write_conditions): Don't emit n_insn_conditions nor
2949 insn_elision_unavailable. Issue the gcc version #ifdef here,
2950 inside the table, with no #else clause ...
2951 (write_header): ...not here.
2952 (write_writer): New function.
2953 (main): Don't initialize condition_table. Use add_c_test.
2955 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2956 files on the command line.
2957 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2958 Return -1 if there is no entry in the table, don't abort.
2959 (add_c_test, traverse_c_tests): New functions.
2960 * gensupport.h (insn_elision_unavailable, insn_conditions)
2961 (n_insn_conditions): Delete declarations.
2962 (add_c_test, traverse_c_tests): Declare.
2963 * read-rtl.c: Include gensupport.h.
2964 (read_conditions): New function.
2965 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2966 (read_rtx_1): If we get EOF when we were looking for an initial
2967 open paren, return 0. Call read_conditions when appropriate.
2968 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2969 dummy-conditions.o. Eliminate references to insn-conditions.o,
2970 or change them to build/gencondmd.o, as appropriate. Remove
2971 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2972 from $(simple_generated_c). For all files remaining in those
2973 two lists, add insn-conditions.md to the generator command line.
2974 Give insn-constants.h/s-constants their own rules. Add rules
2975 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2976 (build/read-rtl.o): Depend on gensupport.h.
2977 (genprognormal): Include preds.
2978 (genprogearly): Rename genprognoprint; only difference is now that
2979 they don't link with $(BUILD_PRINT).
2980 * dummy-conditions.c: Delete.
2982 2006-01-22 Zack Weinberg <zackw@panix.com>
2984 * genextract.c: Don't include insn-config.h. Do include vec.h.
2985 Declare vectors of int, char, and locstr.
2986 (locstr): New typedef.
2987 (struct extraction): Make all array fields into bare pointers.
2988 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2989 (insn_code_number): Delete.
2990 (accum_extract): New struct.
2991 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2992 (gen_insn): Take insn_code_number as an argument. Use an
2993 accum_extract structure instead of loading data directly into
2994 a struct extraction, and having to know how big it might get.
2995 (walk_rtx): Operate entirely on an accum_extract structure.
2996 (print_path): Avoid unnecessary use of printf.
2997 (print_header): New function, split out of main. Distinguish
2998 more carefully between an unrecognizable insn and an insn that
2999 has the code number of a define_expand.
3000 (main): Pass insn_code_number to gen_insn. Call print_header
3001 only after parsing. Avoid unnecessary use of printf.
3002 * Makefile.in (build/vec.o): New rule.
3003 (build/genextract): Depend on build/vec.o.
3004 (build/genextract.o): Don't depend on insn-config.h.
3006 2006-01-22 Zack Weinberg <zackw@panix.com>
3008 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3009 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3010 practical. Eliminate per-generator-program link rules.
3012 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3015 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3016 with a call expr to ...
3017 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3019 2006-01-23 Richard Guenther <rguenther@suse.de>
3021 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3022 before make_edge with conditional EDGE_TRUE_VALUE.
3024 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3025 Jan Hubicka <jh@suse.cz>
3026 Richard Guenther <rguenther@suse.de>
3028 PR rtl-optimization/25654
3029 * cfgexpand.c (aggregate_contains_union_type): New function.
3030 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3031 for structure variables that contain a union type.
3033 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3035 * gengtype.c (new_structure): Return the structure.
3036 (create_option): Add an extra "next" argument.
3037 (create_field): New function.
3038 (adjust_field_rtx_def): Use create_option and create_field.
3039 Remove a now-unnecessary call to find_structure.
3040 (adjust_field_tree_def): Likewise.
3041 (note_yacc_type): Remove an unnecessary call to find_structure.
3042 * gengtype.h (new_structure): Return the structure.
3043 (create_option): Add an extra argument.
3044 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3045 (option): Adjust calls to create_option.
3047 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3049 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3051 2006-01-22 Paul Brook <paul@codesourcery.com>
3052 Peter Barada <peter@the-baradas.com>
3054 * config/m68k/m68k.md: Add Coldfire FPU support.
3055 Define FP mode macro and associated attributes.
3056 Use it for float mode patterns.
3057 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3058 (LIBCALL_VALUE): Use m68k_libcall_value.
3059 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3060 (m68k_function_value): Ditto.
3061 (emit_move_sequence): Ditto.
3062 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3063 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3064 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3065 (MULTILIB_EXCEPTIONS): Ditto.
3066 * config/m68k/m68k.opt: Add mcfv4e.
3067 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3068 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3069 (m68k_output_function_prologue): Save ColdFire FPU registers.
3070 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3071 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3072 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3073 ColdFire FPU registers.
3074 (m68k_libcall_value, m68k_function_value): New functions.
3075 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3076 (LIBCALL_VALUE): Use m68k_libcall_value.
3077 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3078 (MASK_COLDFIRE): Add MASK_CFV4E.
3079 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3080 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3081 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3082 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3083 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3084 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3085 * doc/invoke.tex: Document -mcfv4e on m68k.
3087 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3089 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3092 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3095 * c-opts.c (c_common_handle_option): Don't include
3096 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3097 * doc/invoke.texi (C++ Dialect Options): Document that
3098 -Wnon-virtual-dtor is no longer included in -Wall.
3100 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3102 * gcov.c (print_version), gcov-dump.c (print_version),
3103 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3106 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3108 * df-scan.c (problem_SCAN): Added NULL reset function.
3109 (df_scan_reset_blocks): Added code to call reset block function
3110 (df_bb_refs_delete) Fixed comment.
3111 (df_insn_refs_delete): Made tolerant of deleting non existent info
3112 for dataflow problems that need to be reset.
3113 * df-core.c (df_set_blocks): Ditto.
3114 * df.h (struct df_problem): Added reset_fun.
3115 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3116 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3117 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3118 functions to clear out all references to def-use or use-def chains.
3120 2006-01-21 Ben Elliston <bje@au.ibm.com>
3122 * varasm.c (assemble_real): Initialise data array.
3124 2006-01-20 Paul Brook <paul@codesourcery.com>
3126 Merge from csl-arm-branch.
3127 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3128 * config/arm/arm.md (movdi): Force operands[1] to a register
3129 if we have a non-register source.
3130 (*arm_movdi, *movdf_soft_insn): Require that one of the
3131 operands be a register.
3132 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3133 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3135 2006-01-20 DJ Delorie <dj@redhat.com>
3137 * varasm.c (initialize_constant_valid_p): Allow pointers
3138 initialized from integer constants of lesser precision.
3139 (output_constant): Allow non-int-sized pointer modes to be
3140 initialized from integer constants.
3142 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3145 * cppdefault.h (struct default_include): Add multilib flag.
3146 * cppdefault.c (cpp_include_defaults): Set it.
3147 * c.opt (-imultilib): New option.
3148 * c-opts.c (imultilib): New.
3149 (c_common_handle_option): Handle -imultilib.
3150 (c_common_post_options): Likewise.
3151 * c-incpath.c (add_standard_paths, register_include_chains):
3153 * c-incpath.h (register_include_chains): Add extra parameter.
3154 * gcc.c (do_spec_1): Generate -imultilib option.
3155 (The Specs Language): Update %I description.
3156 (process_command): Update copyright notice.
3157 * doc/cppopts.texi (-imultilib): Document.
3158 * doc/invoke.texi (-imultilib): Include in option summary.
3159 (%I): Update specs documentation.
3161 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3163 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3165 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3167 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3170 2006-01-20 Richard Guenther <rguenther@suse.de>
3171 Steven Bosscher <stevenb.gcc@gmail.com>
3173 PR rtl-optimization/24626
3174 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3175 EDGE_TRUE_VALUE if in RTL mode.
3178 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3179 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3181 2006-01-20 Dirk Mueller <dmueller@suse.com>
3184 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3185 instead of a special NOP marker.
3186 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3187 NOP marker handling.
3188 * c-common.h (empty_body_warning): Add forward declaration.
3189 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3190 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3192 2006-01-20 Paul Brook <paul@codesourcery.com>
3194 * Makefile.in (lang_checks): Keep going if mkdir fails.
3196 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3198 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3199 be able to clean out basic block when not necessary.
3200 (df_scan_free): Fixed to properly delete information if df is
3201 unused before calling df_finish.
3202 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3203 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3205 (df_bb_refs_delete): New function.
3206 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3207 * df-core.c (df_set_blocks): Added code to properly clean out
3208 unused blocks if they are not part of the blocks to consider.
3209 Added additional null check.
3210 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3211 be able to clean out basic block when not necessary
3212 * df.h (df_free_bb_function): Ditto.
3213 (df_bb_refs_delete): New function.
3214 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3215 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3216 basic block parameter to be able to clean out basic block when not
3218 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3219 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3220 Fixed to properly delete information if df is unused before
3223 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3225 PR rtl-optimization/25799
3226 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3227 Corrected confluence operator to remove bits from op2 before oring
3228 with op1 rather than removing bits from op1.
3229 (df_ru_transfer_function): Corrected test on wrong bitmap which
3230 caused infinite loop. Both of these problems were introduced in
3231 the dataflow rewrite.
3233 2006-01-19 DJ Delorie <dj@redhat.com>
3235 * reload1.c (find_reload_regs): Note the details of reload
3236 failures in the dump file.
3237 (spill_failure): Likewise.
3239 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3241 * loop-iv.c: Include df.h and hashtab.h.
3242 (enum iv_grd_result): New enum.
3243 (DF_REF_IV, DF_REF_IV_SET): New macros.
3244 (struct biv_entry): New.
3245 (df, bivs): New global variables.
3246 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3247 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3249 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3250 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3251 analyzed_for_bivness_p, record_biv): New functions.
3252 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3253 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3254 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3256 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3258 (iv_number_of_iterations): Use new interface to iv analysis.
3259 * loop-unroll.c: Do not include varray.h.
3260 (analyze_iv_to_split_insn): Use new interface to iv
3262 * loop-unswitch.c (may_unswitch_on): Ditto.
3263 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3265 (df_bb_modify): Realloc tables to the new index.
3266 (df_find_use): New function.
3267 * df.h (df_find_use): Declare.
3268 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3270 * cfgloop.h (struct rtx_iv): Remove analysed field.
3271 (iv_get_reaching_def): Removed.
3272 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3273 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3274 (loop-iv.o): Add df.h and hashtab.h dependency.
3275 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3277 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3280 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3282 (__floatundisf, __floatundidf): Likewise.
3283 * libgcc2.h (IS_IBM_EXTENDED): Define.
3285 2006-01-19 DJ Delorie <dj@redhat.com>
3287 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3289 2006-01-19 Paul Brook <paul@codesourcery.com>
3291 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3292 as nothrow when unwinding tables are disabled.
3294 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3297 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3298 of bit-field" when in system header.
3300 2006-01-19 DJ Delorie <dj@redhat.com>
3302 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3303 the 16 bit shift limit of the m16c.
3305 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3308 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3309 * config/i386/i386.c (output_set_got): Output the label if we have one
3310 for the TARGET_DEEP_BRANCH_PREDICTION case.
3312 2006-01-19 Jan Hubicka <jh@suse.cz>
3313 H.J. Lu <hongjiu.lu@intel.com>
3314 Evandro Menezes <evandro.menezes@amd.com>
3316 * invoke.texi (generic): Document
3318 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3319 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3320 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3321 (x86_use_incdec, x86_pad_returns): New variables
3322 (TARGET_CPU_DEFAULT_generic): New constant
3323 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3324 (enum processor_type): Add generic32 and generic64.
3325 * i386.md (cpu attribute): Add generic32/generic64
3326 (movhi splitter): Behave sanely when both partial_reg_dependency and
3327 partial_reg_stall are set.
3328 (K8 splitters): Enable for generic as well.
3329 * predicates.md (incdec_operand): Use TARGET_INCDEC
3330 (aligned_operand): Avoid memory mismatch stalls.
3331 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3332 * ppro.md: Enable for generic32
3333 * i386.c (generic64_cost, generic32_cost): New.
3334 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3335 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3336 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3337 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3338 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3339 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3340 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3341 x86_accumulate_outgoing_args, x86_prologue_using_move,
3342 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3343 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3345 (x86_use_incdec, x86_pad_returns): New.
3346 (override_options): Add generic32 and generic64, translate "generic"
3347 to generic32/generic64 and "i686" to "generic32", refuse
3348 "generic32"/"generic64" as arch target.
3349 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3350 (ix86_reorg): Honor PAD_RETURNS.
3352 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3354 * tree-pretty-print.c (dump_generic_node): Handle
3355 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3356 * cgraph.c (cgraph_expand_queue): Rename from
3357 cgraph_analyze_queue. Update all users.
3358 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3359 cgraph_expand_queue.
3360 (cgraph_expand_all_functions): Likewise.
3361 (cgraph_finalize_pending_functions): Remove. Update callers.
3363 * tree.h (OMP_DIRECTIVE_P): Define.
3364 (OMP_PARALLEL_FN): Define.
3365 (OMP_PARALLEL_DATA_ARG): Define.
3366 (OMP_SECTIONS_SECTIONS): Define.
3367 * tree-pass.h (pass_expand_omp): Declare.
3368 * omp-low.c (struct omp_region): Declare.
3369 (struct omp_context): Remove fields 'parallel_type',
3370 'parallel_start_ix' and 'parallel_start_additional_args'.
3372 (struct omp_for_data): Rename from struct expand_omp_for_data.
3373 (omp_regions): New static variable.
3374 (root_omp_region): New static variable.
3375 (find_omp_clause): Make static.
3376 (is_in_combined_parallel_ctx): Remove.
3377 (is_combined_parallel): New.
3378 (extract_omp_for_data): Move earlier in the file.
3379 (workshare_safe_to_combine_p): New.
3380 (get_ws_args_for): New.
3381 (determine_parallel_type): Move earlier in the file.
3382 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3384 (omp_copy_decl): Likewise.
3385 (create_omp_child_function): Likewise.
3386 (lookup_omp_region): New.
3387 (dump_omp_region): New.
3388 (debug_omp_region): New.
3389 (debug_all_omp_regions): New.
3390 (new_omp_region): New.
3391 (scan_omp_parallel): If parallel_nesting_level > 1, the
3392 directive is nested within another parallel directive.
3393 Set OMP_PARALLEL_FN.
3394 (scan_omp_for): Do not try to handle combined parallel+for
3396 Remove FIXME comment.
3397 (scan_omp_nested): Remove.
3398 (scan_omp_1): Do not call scan_omp_nested when
3399 parallel_nesting_level is > 1.
3400 Do not change the DECL_CONTEXT of local variables found.
3401 (lookup_decl_in_outer_ctx): New.
3402 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3403 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3404 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3405 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3406 If CTX is nested, lookup VAR in the outer context when
3407 building copy assignment.
3408 (lower_send_clauses): Rename from expand_send_clauses.
3409 If CTX is nested, lookup VAR in the outer context when
3410 building copy assignments.
3411 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3412 If CTX is nested, lookup VAR in the outer context when
3413 building copy assignments.
3414 (expand_parallel_call): Rename from build_parallel_call.
3415 Handle combined parallel+workshare cases.
3416 Re-implement to emit code into the CFG.
3418 (expand_omp_parallel): Re-implement to emit code into the CFG.
3419 Call move_sese_region_to_fn to outline the sub-graph
3420 containing the parallel region.
3421 (expand_omp_for_1): Remove.
3422 (expand_omp_for_generic): Re-implement to emit code into the
3424 (expand_omp_for_static_nochunk): Likewise.
3425 (expand_omp_for_static_chunk): Likewise.
3426 (expand_omp_for): Likewise.
3427 (expand_omp_sections): Likewise.
3428 (remove_exit_barriers): New.
3429 (expand_omp_synch): New.
3431 (build_omp_regions_1): New.
3432 (build_omp_regions): New.
3433 (execute_expand_omp): New.
3434 (gate_expand_omp): New.
3435 (pass_expand_omp): Define.
3436 (lower_omp_sections): Rename from expand_omp_sections.
3437 Set OMP_SECTIONS_SECTIONS.
3438 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3439 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3440 (lower_omp_single): Rename from expand_omp_simple.
3441 (lower_omp_master): Rename from expand_omp_master.
3442 (lower_omp_ordered): Rename from expand_omp_ordered.
3443 (lower_omp_critical): Rename from expand_omp_critical.
3444 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3445 (lower_omp_for): Re-implement.
3446 (lower_omp_parallel): Re-implement.
3447 (lower_regimplify): Rename from expand_regimplify.
3448 (lower_omp_1): Rename from expand_omp_1.
3449 If there are syntax errors in the program, replace every
3450 OpenMP directive with NOP.
3451 Call lower_omp_* instead of expand_omp_*.
3452 (lower_omp): Rename from expand_omp.
3454 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3455 * tree-gimple.h (enum omp_parallel_type): Remove.
3456 (gimple_boolify): Declare extern.
3457 (find_omp_clause, determine_parallel_type): Remove.
3459 * gimple-low.c (lower_omp_directive): New.
3460 (lower_stmt): Call it.
3461 (record_vars_into): Move from ...
3462 (record_vars): ... here.
3463 Call record_vars_into with current_function_decl.
3465 * gimplify.c (struct gimplify_ctx): Remove fields
3466 combined_pre_p and combined_ctxp. Update users.
3467 (get_formal_tmp_var): Add documentation.
3468 (gimple_boolify): Make extern.
3469 (gimplify_expr_in_ctx): Remove. Update callers.
3470 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3471 will always be a BIND_EXPR.
3472 (gimplify_expr): Handle OMP_RETURN_EXPR.
3473 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3474 (OMP_PARALLEL): Add 3 operands.
3475 (OMP_SECTIONS): Add 1 operand.
3476 (OMP_RETURN_EXPR): Define.
3478 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3479 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3480 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3481 creating a circular free list.
3482 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3484 * tree-flow.h (move_sese_region_to_fn): Declare.
3485 (record_vars_into): Declare.
3486 * tree-cfg.c (make_omp_sections_edges): New.
3487 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3488 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3489 OMP_SECTIONS and OMP_SECTION.
3490 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3491 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3492 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3493 (gather_blocks_in_sese_region): New.
3494 (struct move_stmt_d): Declare.
3496 (move_block_to_fn): New.
3497 (move_sese_region_to_fn): New.
3499 * passes.c (init_optimization_passes): Schedule
3500 pass_expand_omp after pass_init_datastructures.
3502 * tree-ssa-operands.c (get_expr_operands): Handle
3503 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3504 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3506 2006-01-19 Jeff Law <law@redhat.com>
3508 * tree-vrp.c (extract_range_from_assert): Refine the result range
3509 if the variable referenced by the ASSERT_EXPR has a range and
3510 either the tentative result range or the previous range is a
3513 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3515 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3517 2006-01-19 Jan Hubicka <jh@suse.cz>
3519 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3521 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3523 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3524 (expand_compound_operation, expand_field_assignment): Fail if the
3525 bit lengths of an extract operation are out of range.
3526 (make_extraction): Compute wanted_inner_mode based on the position
3527 and length of the extraction. Make it extraction_mode for non-constant
3528 positions, and do not modify offset in that case. When generating a
3529 new MEM, use a mode that can hold the extraction while keeping correct
3530 alignment. Remove code that supported MEMs wrapped by USEs.
3531 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3533 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3535 * config/s390/s390.md ("Y", "y"): New mode attribute.
3536 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3537 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3538 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3539 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3540 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3541 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3542 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3543 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3544 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3545 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3546 "addsi3", "subsi3"): Insn patterns removed.
3547 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3548 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3549 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3550 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3551 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3552 "*sub<mode>3_cconly2"): New insn patterns.
3553 ("addsi3", "subsi3"): New expanders.
3555 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3557 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3558 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3559 existing STMT_VINFO_VECTYPE if available.
3560 (vect_mark_relevant): Add special handling for stmts that are
3561 marked as STMT_VINFO_IN_PATTERN_P.
3562 (vect_analyze_loop): Call vect_pattern_recog.
3563 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3564 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3566 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3567 (vect_recog_func_ptr): New function-pointer type.
3568 * tree-vect-patterns.c: New file.
3569 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3570 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3571 (vect_pattern_recog_1): New functions.
3572 (vect_pattern_recog_funcs): New array of function pointers.
3574 * tree-vectorizer.h (ternary_op): New enum value.
3575 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3576 declaration. Revised documentation. Removed redundant dump prints.
3577 Removed redundant argument. Added support for reduction patterns.
3578 (vectorizable_reduction): Added support for reduction patterns.
3579 (vect_transform_stmt): Added support for patterns.
3581 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3582 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3583 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3584 (expand_widen_pattern_expr): New function.
3585 (init_optabs): Initialize new optabs udot_prod_optab,
3587 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3588 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3589 (expand_widen_pattern_expr): New function declaration.
3590 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3592 * tree-inline.c (estimate_num_insns_1): Added cases for new
3593 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3594 * tree-pretty-print.c (dump_generic_node): Likewise.
3595 (op_prio): Likewise.
3596 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3597 * tree-ssa-operands.c (get_expr_operands): Added case for
3599 * tree-vect-patterns.c (widened_name_p): New function.
3600 (vect_recog_dot_prod_pattern): Added function implementation.
3601 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3602 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3603 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3604 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3606 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3607 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3608 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3609 (init_optabs): Initialize new optabs widen_ssum_optab,
3611 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3612 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3613 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3614 use instead of type of def.
3615 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3616 function implementation.
3617 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3618 widen_ssumv8hi): New.
3620 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3623 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3626 * c-decl.c (add_flexible_array_elts_to_size): New function.
3627 (finish_decl): Use it.
3629 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3631 * diagnostic.h: Include options.h.
3632 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3633 dependancies for diagnostic.h.
3634 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3636 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3638 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3639 (ssa_ro_call_cache_valid): Ditto.
3640 * tree-ssa-alias.c (sort_tags_by_id): New function.
3641 (init_transitive_clobber_worklist): Ditto.
3642 (add_to_worklist): Ditto.
3643 (mark_aliases_call_clobbered): Ditto.
3644 (compute_tag_properties): Ditto.
3645 (set_initial_properties): Ditto.
3646 (compute_call_clobbered): Ditto.
3647 (compute_may_aliases): Call compute_call_clobbered and grouping.
3648 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3649 (compute_flow_insensitive_aliasing): Grouping now happens in our
3651 (setup_pointers_and_addressables): Remove clobbering related code.
3652 (add_may_alias): Ditto.
3653 (replace_may_alias): Ditto.
3654 (get_nmt_for): Ditto.
3655 (create_global_var):
3656 (is_escape_site): Return an escape_type enumeration.
3657 * tree-flow-inline.h (is_call_clobbered): Global var does not
3658 imply call clobbered.
3659 (mark_call_clobbered): Take a reason for marking this. Remove
3660 marking of globalness, and cache invalidation.
3661 (clear_call_clobbered): Remove cache invalidation code.
3662 * tree-dfa.c (dump_variable): If details is on, dump the reason
3664 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3666 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3667 (struct var_ann_d): Ditto.
3668 (enum escape_type): New.
3669 (mark_call_clobbered): Adjust prototype.
3670 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3671 are never call clobbered.
3672 Record reasons for escaping.
3673 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3674 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3675 (ssa_ro_call_cache_valid): Ditto.
3676 (clobbered_v_may_defs): Ditto.
3677 (clobbered_vuses): Ditto.
3678 (ro_call_vuses): Ditto.
3679 (clobber_stats): New.
3680 (init_ssa_operands): Zero out clobber stats.
3681 (fini_ssa_operands): Print out clobber stats.
3682 (get_call_expr_operands): Pass callee fndecl to
3684 (add_call_clobber_ops): Remove use of cache.
3685 Add use of PURE_CONST information.
3686 (add_call_read_ops): Remove use of cache.
3687 Add use of static not_read information.
3689 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3691 Introduce TLS descriptors for i386 and x86_64.
3692 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3693 (TARGET_ANY_GNU_TLS): New macro.
3694 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3695 (struct machine_function): Add tls_descriptor_call_expanded_p.
3696 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3697 (ix86_current_function_calls_tls_descriptor): Likewise.
3698 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3699 (override_options): Introduce gnu2 tls dialect.
3700 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3702 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3704 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3705 (ix86_init_machine_status): Initialize new field.
3706 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3707 (ix86_tls_module_base): New.
3708 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3709 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3710 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3711 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3712 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3713 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3714 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3715 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3716 * config/i386/predicates.md (tls_modbase_operand): New.
3717 (tp_or_register_operand): New.
3719 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3721 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3722 (look_for_address_of): Ditto.
3723 (ipa_init): Walk the function decls.
3724 (static_execute): Don't set readonly on FUNCTION_DECL's.
3726 2006-01-18 Roger Sayle <roger@eyesopen.com>
3728 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3729 for shifts where the source and destination registers are different.
3731 2006-01-18 Paul Brook <paul@codesourcery.com>
3733 Merge from csl-arm-branch.
3734 2005-03-14 Julian Brown <julian@codesourcery.com>
3735 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3736 (aeabi_llsl): Likewise.
3737 (ashrdi3): Likewise.
3738 (aeabi_lasr): Likewise.
3739 (lshrdi3): Likewise.
3740 (aeabi_llsr): Likewise.
3741 2005-03-10 Julian Brown <julian@codesourcery.com>
3742 * config.gcc: Disable shared libgcc for SymbianOS.
3743 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3745 2006-01-18 DJ Delorie <dj@redhat.com>
3747 * c-pragma.c (handle_pragma_diagnostic): New.
3748 (init_pragma): Register it.
3749 * doc/extend.texi: Document it.
3751 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3752 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3753 (diagnostic_context): Add classify_diagnostic[].
3754 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3755 as errors if they're overridden to DK_WARNING.
3756 (diagnostic_initialize): Initialize classify_diagnostic[].
3757 (diagnostic_set_kind_override): New.
3758 (diagnostic_report_diagnostic): Check for kind changes.
3759 * opts.c (common_handle_option): Take lang_mask. Update callers.
3761 * common.opt (Werror=): New.
3762 * doc/invoke.texi: Document -Werror=*
3764 2006-01-18 Jeff Law <law@redhat.com>
3766 * tree-vrp.c (test_for_singularity): Correct test for new
3767 min limit. Use operand_equal_p rather than pointer equality
3768 for testing if new min/max values are equal.
3770 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3771 using range information until after propagation and folding.
3773 2006-01-18 Richard Henderson <rth@redhat.com>
3774 Aldy Hernandez <aldyh@redhat.com>
3775 Jakub Jelinek <jakub@redhat.com>
3776 Diego Novillo <dnovillo@redhat.com>
3778 * omp-low.c: New file.
3779 * c-omp.c: New file.
3781 2006-01-18 Richard Henderson <rth@redhat.com>
3782 Jakub Jelinek <jakub@redhat.com>
3783 Diego Novillo <dnovillo@redhat.com>
3785 * doc/invoke.texi: Document -fopenmp.
3786 * tree-dump.h (debug_function): Declare.
3787 * hooks.c (hook_bool_tree_bool_false): New function.
3788 (hook_tree_tree_null): Remove.
3789 (hook_tree_tree_tree_null): New.
3790 * hooks.h: Update to match.
3791 * tree-pretty-print.c (debug_tree_chain): New.
3792 (print_generic_expr): Handle TDF_CHAIN.
3793 (dump_generic_node): Handle BLOCK.
3794 Do not abort with incomplete SWITCH_EXPRs.
3795 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3796 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3797 print space after directive name.
3798 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3799 Handle OMP_MASTER and OMP_ORDERED.
3800 Handle printing of OMP_BODY just in one place, goto
3801 dump_omp_body in the rest of OMP_* nodes that have
3803 Don't handle clause nodes here. Update omp statements to
3804 use dump_omp_clauses.
3805 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3806 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3807 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3808 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3809 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3810 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3811 Adjust output for GOMP_PARALLEL.
3812 (dump_omp_clauses): New.
3813 (print_declaration): Dump DECL_VALUE_EXPR.
3814 (op_symbol_1): Split out of op_symbol.
3815 (dumping_stmts): Remove. Update all users.
3816 * cgraph.c (cgraph_analyze_queue): New.
3817 (cgraph_add_new_function): New.
3818 * cgraph.h (cgraph_analyze_queue): Declare.
3819 (cgraph_add_new_function): Declare.
3820 (cgraph_lower_function): Remove.
3821 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3822 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3823 and TYPE_P nodes in its default clause.
3824 (empty_body_p): New.
3825 (tree_range_check_failed): New.
3827 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3828 OMP_CLAUSE_REDUCTION_MERGE,
3829 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3830 OMP_CLAUSE_PRIVATE_DEBUG,
3831 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3832 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3833 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3834 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3835 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3836 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3837 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3838 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3839 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3840 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3841 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3842 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3843 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3844 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3845 (TREE_RANGE_CHECK): New.
3846 (empty_body_p): Declare.
3847 (enum omp_clause_default_kind): New.
3848 (build_string_literal): Declare.
3849 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3850 (build5_stat, build5): Declare.
3851 * tree-pass.h (TDF_CHAIN): Define.
3852 * tree-pass.h (PROP_gimple_lomp): Define.
3853 (pass_lower_omp): Declare.
3854 * diagnostic.h (debug_tree_chain): Declare.
3855 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3857 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3858 * builtins.c (build_string_literal): Make extern.
3859 * gcc.c (include_spec_function): New.
3860 (static_spec_functions): Add it.
3861 (main): Move load of libgomp.spec ...
3862 (LINK_COMMAND_SPEC): ... here.
3863 (link_gomp_spec): New.
3864 (static_specs): Include it.
3865 (LINK_COMMAND_SPEC): Add link_gomp.
3866 (GOMP_SELF_SPECS): New.
3867 (driver_self_specs): Include it.
3868 (switch_matches): Don't mark inline.
3869 (main): Load libgomp.spec.
3870 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3871 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3872 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3873 * tree-gimple.h (enum omp_parallel): Declare.
3874 (determine_parallel_type): Declare.
3875 (omp_firstprivatize_variable): Declare.
3876 (omp_reduction_init): Declare.
3877 (diagnose_omp_structured_block_errors): Declare.
3878 (struct walk_stmt_info): Add want_return_expr.
3879 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3880 (find_omp_clause): Declare.
3881 (insert_field_into_struct): Declare.
3882 (struct walk_stmt_info): Move from tree-nested.c
3883 (walk_stmts): Declare.
3884 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3886 * cgraphunit.c (cgraph_lower_function): Make static.
3887 (cgraph_finalize_pending_functions): New.
3888 (cgraph_finalize_function): Call it.
3889 (cgraph_finalize_compilation_unit): Likewise.
3890 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3891 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3892 (BT_FN_UINT_UINT): New.
3893 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3894 DEF_FUNCTION_TYPE_VAR_4): Document.
3895 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3896 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3897 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3898 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3899 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3900 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3901 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3902 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3903 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3904 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3905 into separate files.
3906 (DEF_GOMP_BUILTIN): New.
3907 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3908 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3909 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3910 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3911 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3912 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3913 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3914 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3915 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3916 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3917 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3918 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3919 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3920 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3921 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3922 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3923 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3924 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3925 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3926 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3927 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3928 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3929 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3930 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3931 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3932 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3933 * sync-builtins.def: New file, moved from builtins.def.
3934 * omp-builtins.def: New file, moved from builtins.def.
3935 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3936 * gimple-low.c (lower_function_body): Clear data.
3937 (lower_stmt): Do not handle COMPOUND_EXPR.
3938 Remove call to print_node_brief.
3939 * c-tree.h (c_finish_omp_clauses): New prototype.
3940 (C_DECL_THREADPRIVATE_P): Define.
3941 (lookup_name_no_remap, c_omp_remap_private): Remove
3942 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3943 (check_for_loop_decls): Update decl.
3944 (lookup_name_no_remap, c_omp_remap_private): Declare.
3945 (build_indirect_ref, build_modify_expr, pushdecl,
3946 pushdecl_top_level): Move to c-common.h.
3947 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3948 before the switch, but just in the 2 places that need it.
3949 * c-decl.c (diagnose_mismatched_decls): Do not check for
3950 mismatched thread-local attributes when OLDDECL is marked
3951 threadprivate and NEWDECL has no thread-local attributes.
3952 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3953 (c_gimple_diagnostics_recursively): Rename from
3954 c_warn_unused_result_recursively. Invoke
3955 diagnose_omp_structured_block_errors.
3956 (check_for_loop_decls): Return a singular decl found.
3957 * langhooks.c (lhd_omp_predetermined_sharing): Return
3958 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3959 (lhd_omp_firstprivatize_type_sizes): New.
3960 (lhd_omp_assignment): New.
3961 (lhd_omp_predetermined_sharing): New.
3962 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3963 (struct lang_hooks_for_types): Add
3964 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3965 omp_predetermined_sharing, omp_disregard_value_expr,
3966 omp_private_debug_clause, omp_clause_default_ctor,
3967 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3968 (c_finish_omp_clauses): New.
3969 (c_finish_bc_stmt): Diagnose break within omp for.
3970 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3971 (build_unary_op): Return error_mark after reporting
3973 (build_modify_expr): Likewise.
3974 * gimplify.c: Include optabs.h and pointer-set.h.
3975 (enum gimplify_omp_var_data): Declare.
3976 (struct gimplify_omp_ctx): Declare.
3977 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3979 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3980 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3981 (splay_tree_compare_decl_uid): New.
3982 (new_omp_context): New.
3983 (delete_omp_context): New.
3984 (gimple_add_tmp_var): Call omp_add_variable.
3985 (gimplify_bind_expr): Likewise.
3986 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3987 true, disregard DECL_VALUE_EXPR on the decl if any.
3988 (gimplify_expr_in_ctx): New.
3989 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3990 omp_add_variable, omp_notice_variable, omp_is_private
3991 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3992 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3993 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3994 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3995 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3996 gimplify_omp_atomic): New.
3997 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3998 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3999 OMP_CRITICAL and OMP_ATOMIC.
4000 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4001 * c-pragma.h (enum pragma_kind): Add
4002 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4003 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4004 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4005 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4006 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4007 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4008 PRAGMA_OMP_THREADPRIVATE.
4009 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4010 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4011 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4012 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4013 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4014 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4015 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4016 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4017 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4018 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4019 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4020 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4021 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4023 (struct nesting_info): Add field_map,
4024 suppress_expansion, debug_var_chain.
4025 (create_nesting_tree): Initialize them.
4026 (lookup_field_for_decl): Use field_map.
4027 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4028 (convert_local_omp_clauses): New.
4029 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4030 (walk_body): Split out of walk_function.
4031 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4032 (convert_nonlocal_reference): Handle omp statements.
4033 (convert_local_reference): Likewise.
4034 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4035 (unnest_nesting_tree): New.
4036 (lower_nested_functions): Call it.
4037 (insert_field_into_struct): Make extern.
4038 (struct walk_stmt_info): Move to tree-gimple.h.
4039 (walk_stmts): Make extern.
4040 * omp-builtins.def: New file.
4041 * tree-iterator.c (expr_only): Clarify comment.
4042 * c-common.h (pushdecl_top_level, pushdecl,
4043 build_modify_expr, build_indirect_ref,
4044 c_finish_omp_master, c_finish_omp_critical,
4045 c_finish_omp_ordered, c_finish_omp_barrier,
4046 c_finish_omp_atomic, c_finish_omp_flush,
4047 c_finish_omp_for, c_split_parallel_clauses,
4048 omp_clause_default_kind, c_omp_sharing_predetermined,
4049 c_omp_remap_decl): Declare.
4050 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4051 (OBJS-common): Add omp-low.o.
4052 (c-omp.o, omp-low.o): Add.
4053 (gimplify.o): Add dependency on $(OPTABS_H).
4054 (GTFILES): Add omp-low.c.
4055 (gt-stringpool.h): Add.
4056 * tree-cfg.c (set_bb_for_stmt): Do not update the
4057 block-to-labels map if we are currently expanding to RTL.
4058 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4060 Handle IDENTIFIER_NODE.
4061 (tree_verify_flow_info): Do not ICE when emitting error
4062 messages about invalid labels.
4063 (dump_function_to_file): Reset CFUN before emitting the body
4065 (debug_function): New.
4066 * passes.c (init_optimization_passes): Schedule
4068 * langhooks-def.h (lhd_omp_predetermined_sharing,
4069 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4071 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4072 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4073 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4074 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4075 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4076 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4077 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4078 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4079 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4080 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4081 (LANG_HOOK_DECLS): Use them.
4083 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4084 Richard Henderson <rth@redhat.com>
4085 Jakub Jelinek <jakub@redhat.com>
4086 Diego Novillo <dnovillo@redhat.com>
4088 * c-parser.c (pragma_omp_clause): Define.
4089 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4090 (c_parser_compound_statement): Likewise.
4091 (c_parser_statement): Likewise.
4092 (c_parser_pragma): Handle omp pragmas.
4093 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4094 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4095 (c_parser_omp_clause_name, check_no_duplicate_clause,
4096 c_parser_omp_variable_list,
4097 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4098 c_parser_omp_clause_copyprivate,
4099 c_parser_omp_clause_default,
4100 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4101 c_parser_omp_clause_lastprivate,
4102 c_parser_omp_clause_nowait,
4103 c_parser_omp_clause_num_threads,
4104 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4105 c_parser_omp_clause_reduction,
4106 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4107 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4108 c_parser_omp_atomic, c_parser_omp_barrier,
4109 c_parser_omp_critical, c_parser_omp_flush,
4110 c_parser_omp_for_loop, c_parser_omp_for,
4111 c_parser_omp_master, c_parser_omp_ordered,
4112 c_parser_omp_sections_scope, c_parser_omp_sections,
4113 c_parser_omp_parallel, c_parser_omp_single,
4114 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4115 * c-pragma.c (init_pragma): Do omp pragma registration here.
4116 * c.opt (fopenmp): New flag.
4118 2006-01-18 Eric Christopher <echristo@apple.com>
4120 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4121 * config/darwin.h (GOMP_SELF_SPECS): Define.
4123 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4125 * rtl.h: Remove the prototype for reg_alloc.
4127 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4130 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4131 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4132 sjlj and dwarf2 exception handling.
4133 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4134 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4135 * pa/pa.c (function_value): Treat complex and vector types as
4137 (function_arg): Likewise. Only pass scalar floats in the floating
4138 point argument registers.
4139 * pa/t-slibgcc-dwarf-ver: New file.
4140 * pa/t-slibgcc-sjlj-ver: New file.
4141 * pa/t-slibgcc-elf-ver: Delete file.
4143 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4145 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4146 unlikely_test_section_p test.
4148 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4150 * mode-switching.c (optimize_mode_switching): Make it static.
4151 * basic-block.h: Remove the prototype for
4152 optimize_mode_switching.
4154 * modulo-sched.c (sms_schedule): Make it static.
4155 * rtl.h: Remove the prototype for sms_schedule.
4157 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4158 * rtl.h: Remove the prototype for gcse_after_reload_main.
4160 * reg-stack.c (reg_to_stack): Make it static.
4161 * rtl.h: Remove the prototype for reg_to_stack.
4163 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4165 * rtl.h: Remove the prototypes for regrename_optimize and
4166 copyprop_hardreg_forward.
4168 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4170 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4171 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4172 Test against the appropriate null constant for the mode.
4173 If 'fixup_overlap' is true, swap the operands if they overlap.
4174 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4175 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4176 alpha_split_tmode_pair and adjust for above change.
4177 * config/alpha/alpha.md (movtf_internal): Adjust call to
4178 alpha_split_tfmode_pair and rely on it to swap the operands.
4179 (movti_internal): New insn and post-reload splitter.
4180 (movti): New expander.
4182 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4184 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4187 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4189 * rtlanal.c (global_reg_mentioned_p_1,
4190 global_reg_mentioned_p): Remove.
4191 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4193 * flow.c (initialize_uninitialized_subregs): Make it static.
4194 * rtl.h: Remove the prototype for
4195 initialize_uninitialized_subregs.
4197 * function.c (instantiate_virtual_regs): Make it static.
4198 * function.h: Remove the prototype for
4199 instantiate_virtual_regs.
4201 * regmove.c (regmove_optimize, combine_stack_adjustments):
4203 * rtl.h: Remove the prototypes for regmove_optimize and
4204 combine_stack_adjustments.
4206 2006-01-17 Roger Sayle <roger@eyesopen.com>
4208 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4209 (size_cost): Encode costs in bytes so that a reg-reg addition is
4210 equivalent to COSTS_N_INSNS(1).
4211 (override_options): Use the size_cost.branch_cost as the default
4212 ix86_branch_cost when optimizing for size.
4214 2006-01-18 Ben Elliston <bje@au.ibm.com>
4216 * Makefile.in (D32PBIT_FUNCS): New.
4217 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4218 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4219 D64PBIT_FUNCS and D128PBIT_FUNCS.
4220 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4221 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4223 (decnumber_dep): Define.
4224 * doc/libgcc.texi (Decimal float library routines): New node.
4225 * config/dfp-bit.h, config/dfp-bit.c: New files.
4227 2006-01-18 Ben Elliston <bje@au.ibm.com>
4229 * expr.c (emit_move_change_mode): Always adjust addresses, not
4230 just during reload. Copy replacements only during reload.
4231 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4232 emit_move_via_integer.
4234 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4236 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4237 instead of $(srcdir) and ${srcdir}.
4239 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4243 * arm.h (struct machine_function): Add pic_reg.
4244 * arm.c (arm_pic_register): Make unsigned.
4245 (arm_override_options): Only set arm_pic_register if
4246 TARGET_SINGLE_PIC_BASE.
4247 (use_return_insn): Only test for a pic register if it is fixed.
4248 (arm_compute_save_reg0_reg12_mask): Likewise.
4249 (thumb_compute_save_reg_mask): Likewise.
4250 (legitimate_pic_operand): Factor out some known invariants.
4251 (legitimize_pic_address): If we don't have a fixed pic register,
4252 then set up a pseudo in the function entry sequence. Handle the
4253 pic base being in a pseudo.
4254 (arm_load_pic_register): Handle the pic register being in a pseudo.
4255 (arm_expand_prologue): Only set up the pic register if it is fixed.
4256 (thumb_expand_prologue): Likewise.
4257 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4258 (pic_load_addr_based_insn): Likewise.
4259 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4262 2006-01-18 Ben Elliston <bje@au.ibm.com>
4264 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4265 decimal float modes for all floating point registers.
4267 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4268 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4270 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4273 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4274 even when the pointer is not NULL.
4276 2006-01-16 Ian Lance Taylor <ian@airs.com>
4278 * common.opt (ftoplevel-reorder): New option.
4279 * cgraph.c (cgraph_asm_nodes): New global variable.
4280 (cgraph_asm_last_node): New static variable.
4281 (cgraph_order): New global variable.
4282 (cgraph_create_node): Set new order field.
4283 (cgraph_varpool_node): Likewise.
4284 (decide_is_variable_needed): Return true if not
4285 flag_toplevel_reorder.
4286 (cgraph_add_asm_node): New function.
4287 * cgraph.h (struct cgraph_node): Add order field.
4288 (struct cgraph_varpool_node): Add order field.
4289 (struct cgraph_asm_node): Define.
4290 (cgraph_asm_nodes, cgraph_order): Declare.
4291 (cgraph_add_asm_node): Declare.
4292 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4294 (cgraph_varpool_assemble_pending_decls): Call it.
4295 (cgraph_output_pending_asms): New static function.
4296 (cgraph_finalize_compilation_unit): Call it.
4297 (struct cgraph_order_sort): Define.
4298 (cgraph_output_in_order): New static function.
4299 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4300 !flag_toplevel_reorder case.
4301 * c-parser.c: Include "cgraph.h".
4302 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4304 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4305 than -fno-unit-at-a-time.
4306 * doc/invoke.texi (Option Summary): Mention
4307 -fno-toplevel-reorder.
4308 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4309 -funit-at-a-time documentation.
4311 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4312 Kazu Hirata <kazu@codesourcery.com>
4314 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4316 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4318 * Makefile.in (FUNCTION_H): New. Use it instead of
4319 function.h throughout the file.
4320 * function.h: Include tree.h.
4322 2006-01-17 Ben Elliston <bje@au.ibm.com>
4324 * recog.c: Separate some functions with whitespace.
4326 2006-01-16 Richard Henderson <rth@redhat.com>
4328 Merge from gomp branch:
4329 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4330 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4331 and rename from struct inline_data. Rename callee* to dst*;
4332 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4333 transform_new_cfg, transform_return_to_modify, and
4334 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4336 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4337 (copy_decl_for_dup): Remove.
4338 * tree-inline.c (struct inline_data): Move to header.
4339 (insert_decl_map): Export.
4340 (remap_decl): Update for member name changes. Use copy_decl hook.
4341 Allow for replacement to be a non-decl. Remove dead code.
4342 (remap_type_1): Check for existing mapping.
4343 (remap_type): Export.
4344 (remap_decls): Update for member name changes.
4345 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4346 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4347 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4348 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4349 (tree_function_versioning, build_duplicate_type): Likewise.
4350 (copy_body_r): Likewise. Export.
4351 (copy_decl_for_dup): Split into ...
4352 (copy_decl_for_dup_finish, copy_decl_to_var,
4353 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4354 (replace_ref_tree, inlining_p): Remove.
4356 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4358 * ifcvt.c (if_convert): Make it static.
4359 * rtl.h: Remove the prototype for if_convert.
4361 * local-alloc.c (local_alloc): Make it static.
4362 * rtl.h: Remove the prototype for local_alloc.
4364 * loop.c (loop_optimize): Make it static.
4365 * cfgloop.h: Remove the prototype for loop_optimize.
4368 2006-01-16 DJ Delorie <dj@redhat.com>
4370 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4373 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4375 * pa.md: Disparage copies between general and floating-point registers
4376 in 32-bit move patterns.
4378 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4381 * Makefile.in (check-%): Depend on site.exp instead of
4382 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4385 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4387 * global.c (global_alloc): Make it static.
4388 * rtl.h: Remove the prototype for global_alloc.
4390 2006-01-16 Richard Guenther <rguenther@suse.de>
4392 * tree-ssa-alias.c (struct used_part): Add write_only field.
4393 (get_or_create_used_part_for): Initialize it to true.
4394 (create_overlap_variables_for): Don't create structure variables
4395 for structures that only are written to.
4396 (find_used_portions): Handle MODIFY_EXPR to track whether a
4397 structure is only written to.
4399 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4401 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4403 * basic-block.h: Remove the prototype for
4404 partition_hot_cold_basic_blocks.
4406 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4408 * cppspec.c (lang_specific_spec_functions): Remove.
4409 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4410 * gcc.h (lang_specific_spec_functions): Remove.
4411 * gccspec.c (lang_specific_spec_functions): Remove.
4413 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4415 * combine.c (record_value_for_reg): Invalidate registers
4417 (record_dead_and_set_regs_1): Likewise, by passing them to
4418 record_value_for_reg.
4419 (record_dead_and_set_regs): Invalidate stores made by a
4420 call. We do not combine across a call, but we still
4421 relied on equivalences.
4423 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4425 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4426 vrp_int_const_binop returning non-constant nodes.
4428 2006-01-16 Paul Brook <paul@codesourcery.com>
4430 * config/m68k/m68k.c (output_move_const_into_data_reg):
4431 Output correct mnemonic for mvz and mvs.
4433 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4435 * rtl-factoring.c: Add sequence abstraction algorithm.
4436 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4437 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4439 (block_has_preserve_label): New function.
4440 * common.opt: Register new pass.
4441 * Makefile.in: Ditto.
4443 * timevar.def: Ditto.
4444 * tree-pass.h: Ditto.
4445 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4446 * rtl.h (make_jump_insn_raw): Add forward decl.
4447 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4449 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4450 Roger Sayle <roger@eyesopen.com>
4452 * fold-const.c (fold_minmax): New static function.
4453 (fold_binary) <MIN_EXPR>: Call it.
4454 <MAX_EXPR>: Likewise.
4455 * stor-layout.c (place_field): Use DECL_SIZE consistently
4456 in the computation of the new record size.
4458 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4460 * cse.c (cse_condition_code_reg): Make it static.
4461 * rtl.h: Remove the prototype for cse_condition_code_reg.
4463 * combine.c (combine_instructions): Make it static.
4464 * rtl.h: Remove the prototype for combine_instructions.
4466 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4469 * tree.c (get_file_function_name_long): Concatenate the first global
4470 object name with a string derived from the input filename of the object
4473 2006-01-16 Ben Elliston <bje@au.ibm.com>
4475 * config/i386/winnt-stubs.c: Update FSF address.
4476 * config/xtensa/ieee754-df.S: Ditto.
4477 * config/xtensa/ieee754-sf.S: Ditto.
4479 2006-01-14 Ian Lance Taylor <ian@airs.com>
4481 * ifcvt.c (noce_init_if_info): New static function, broken out of
4482 noce_process_if_block.
4483 (noce_process_if_block): Call noce_init_if_info.
4484 (check_cond_move_block): New static function.
4485 (cond_move_process_if_block): New static function.
4486 (process_if_block): Call cond_move_process_if_block.
4488 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4490 * cselib.c (hash_table): Rename to cselib_hash_table.
4491 (cselib_clear_table, discard_useless_values,
4492 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4493 cselib_init, cselib_finish): Adjust uses of hash_table.
4495 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4497 PR tree-optimization/25485
4498 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4499 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4500 is known to be false and true, respectively.
4502 2006-01-14 Richard Guenther <rguenther@suse.de>
4504 PR tree-optimization/22548
4505 PR tree-optimization/22555
4506 PR tree-optimization/22501
4507 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4508 * params.def (salias-max-array-elements): New parameter.
4509 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4510 * doc/invoke.texi (salias-max-array-elements): Document.
4511 * tree-flow-inline.h (var_can_have_subvars): We also handle
4513 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4515 * tree-ssa-structalias.c (params.h): Include.
4516 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4517 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4518 (get_constraint_for): For ADDR_EXPR operating on something
4519 containing an ARRAY_REF, add all subvars to the solution.
4520 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4521 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4522 for creating MUST_DEFs.
4523 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4525 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4527 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4529 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4530 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4531 number_of_iterations_le): New functions.
4532 (number_of_iterations_special): Removed.
4533 (number_of_iterations_exit): Do not use number_of_iterations_special.
4534 * tree.c (unsigned_type_for): Always return integer type.
4536 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4537 Richard Guenther <rguenther@suse.de>
4539 PR rtl-optimization/24257
4540 * gcse.c (find_moveable_store): Only consider a store movable
4541 when the SET_SRC of the insn can be assigned to a register.
4543 2006-01-14 Ian Lance Taylor <ian@airs.com>
4545 * tree.c (tree_not_class_check_failed): New function.
4546 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4547 (tree_not_class_check_failed): Declare.
4549 2006-01-13 Ian Lance Taylor <ian@airs.com>
4551 * reload1.c (do_output_reload): Add assertion rejecting a
4554 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4556 * combine.c (struct reg_stat): Add new fields truncation_label and
4558 (record_value_for_reg): Reset truncated_to_mode.
4559 (record_truncated_value): New function.
4560 (check_promoted_subreg): Call it. Rename to check_conversions.
4561 (combine_instructions): Rename check_promoted_subreg to
4563 (reg_truncated_to_mode): New function.
4564 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4565 (gen_lowpart_or_truncate): New function.
4566 (force_to_mode): Use it instead of gen_lowpart.
4568 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4570 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4571 VAR is a tag, not its type tag.
4573 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4575 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4576 alternatives to match style of other entries.
4577 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4579 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4581 PR tree-optimization/25771
4582 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4585 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4588 * tree-inline.c (declare_return_variable): If the return variable
4589 was marked as a non gimple complex, set the return slot variable
4590 to be a non gimple comple variable.
4592 2006-01-13 Richard Guenther <rguenther@suse.de>
4594 * builtins.c (expand_builtin_sincos): New function.
4595 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4597 (expand_builtin): Expand sincos using expand_builtin_sincos.
4599 2006-01-12 DJ Delorie <dj@redhat.com>
4601 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4602 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4603 so that constant shifts can be split.
4604 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4605 (m32c_valid_pointer_mode): Make static.
4606 (shift_gen_func_for): New.
4607 (m32c_prepare_shift): Use it. Split large const shifts into
4609 * config/m32c/predicates.md (shiftcount_operand): Allow more
4611 (longshiftcount_operand): New.
4612 * doc/md.texi (Machine Constraints): Document In6.
4614 2006-01-13 Ben Elliston <bje@au.ibm.com>
4616 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4617 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4620 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4622 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4623 to try to avoid clobbering pieces of structures when we know
4624 something about the whole structure.
4625 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4627 2006-01-13 Ben Elliston <bje@au.ibm.com>
4629 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4630 return in memory, as this is no limitation is no longer present.
4632 2006-01-12 DJ Delorie <dj@redhat.com>
4634 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4635 mova with fb, and for fb+0 -> An.
4637 * config/m32c/mov.md (peephole2): Fix enabling logic.
4639 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4640 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4641 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4642 FINI_ARRAY_SECTION_ASM_OP): Define.
4644 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4646 (m32c_legitimize_reload_address): New logic to reload FB to An.
4647 (m32c_output_reg_push): Add newline.
4648 (m32c_output_reg_pop): Likewise.
4650 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4652 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4654 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4656 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4658 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4660 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4663 2006-01-11 Ben Elliston <bje@au.ibm.com>
4665 * rtlanal.c (find_reg_note): Assert insn is not null.
4667 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4669 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4672 2006-01-11 Jeff Law <law@redhat.com>
4674 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4676 (mark_threaded_blocks, register_jump_thread): New functions.
4677 (thread_through_all_blocks): Remove unwanted argument. No
4678 longer rely on e->aux to communicate thread target info.
4679 Call mark_threaded_blocks. Release the threaded_blocks
4680 bitmap and threaded_edges vector when complete.
4681 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4682 (threaded_blocks): Remove.
4683 (tree_ssa_dominator_optimize): Remove initialization and
4684 finalization of threaded_blocks. Simplify call to
4685 thread_through_all_blocks.
4686 (thread_across_edge): Call register_jump_thread rather than
4687 storing thread information into e->aux.
4688 (free_all_edge_infos): Simplify now that e->aux is no longer
4689 used to communicate with thread_through_all_blocks.
4690 * tree-flow.h (thread_through_all_blocks): Update prototype.
4691 (register_jump_thread): Prototype.
4693 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4695 * df-core.c (df_compact_blocks, df_bb_replace): Use
4696 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4698 2006-01-11 Richard Guenther <rguenther@suse.de>
4700 PR tree-optimization/25734
4701 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4702 stop propagation after successful propagation to the LHS.
4704 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4706 * basic-block.h (control_flow_graph): Change the type of
4707 x_basic_block_info to VEC(basic_block,gc) *.
4708 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4710 (SET_BASIC_BLOCK): New.
4711 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4712 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4713 * cfgbuild.c (find_basic_blocks): Likewise.
4714 * cfglayout.c (fixup_reorder_chain): Likewise.
4715 * cfgrtl.c (create_basic_block_structure,
4716 rtl_create_basic_block): Likewise.
4717 * ifcvt.c (find_if_case_1): Likewise.
4718 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4721 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4723 * Makefile.in: Removed rotted odf.c entry.
4725 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4728 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4729 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4730 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4731 output pattern modifier, not %e.
4732 * config/cris/cris.c (cris_op_str): Update comment about pattern
4734 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4735 before falling through into...
4736 <case 'E'>: Redefined from old 'e' case.
4738 2006-01-11 Jan Hubicka <jh@suse.cz>
4741 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4743 2006-01-11 Jan Hubicka <jh@suse.cz>
4745 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4746 * i386.c (x86_decompose_lea): Kill.
4747 (ix86_rtx_costs): Kill.
4749 2006-01-11 Jan Hubicka <jh@suse.cz>
4751 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4752 * cgraph.h (cgraph_node): Add inline_decl.
4753 (cgraph_insert_node_to_hashtable): Declare.
4754 (save_inline_function_body): Declare.
4755 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4757 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4758 (cgraph_function_versioning): Update call of tree_function_versioning.
4759 (save_inline_function_body): New function.
4760 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4761 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4762 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4763 (cgraph_default_inline_p): Likewise.
4764 (cgraph_decide_inlining_incrementally): Likewise.
4765 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4766 (copy_bb): Kill saving; do updating of clones.
4767 (copy_cfg_body): Kill saving.
4768 (initialize_inlined-parameters): Likewise.
4769 (expand_call_inline): Likewise.
4771 (tree_function_versioning): New parameter "update_clones".
4772 (inlining_p): Kill saving.
4773 * tree-inline.h (tree_function_versioning): Update prototype.
4774 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4777 2006-01-11 Ian Lance Taylor <ian@airs.com>
4779 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4780 Allow undoing set of machine mode.
4781 (do_SUBST): Use enums instead of is_int.
4782 (do_SUBST_MODE): New function.
4783 (SUBST_MODE): New macro.
4784 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4785 reg and trying to replace reg_regno_rtx with a new register.
4786 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4787 (simplify_set): Use SUBST_MODE.
4788 (distribute_notes): Remove code that tried to update reg notes
4789 for regno_reg_rtx changes.
4791 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4793 PR tree-optimization/23109
4794 PR tree-optimization/23948
4795 PR tree-optimization/24123
4797 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4798 * tree-cfg.c (single_noncomplex_succ): New.
4799 * tree-flow.h (single_noncomplex_succ): Declare it.
4800 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4801 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4802 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4803 insert_bb, register_division_in, insert_reciprocals,
4804 replace_reciprocal, free_bb): New.
4805 (execute_cse_reciprocals_1): Rewritten.
4806 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4807 Do not commit any edge insertion. Always compute dominators and
4808 create the allocation pool.
4809 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4810 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4811 * targhooks.c (default_min_divistions_for_recip_mul): New.
4812 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4813 * passes.c (init_optimization_passes): Run recip after tree loop
4815 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4817 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4818 Kenneth Zadeck <zadeck@naturalbridge.com>
4820 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4821 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4822 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4823 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4824 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4825 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4826 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4827 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4828 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4829 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4830 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4831 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4832 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4833 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4834 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4835 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4836 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4837 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4838 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4839 DF_SCAN_POST_ALLOC): New macros.
4840 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4841 df_free_bb_function, df_local_compute_function, df_init_function,
4842 df_dataflow_function, df_confluence_function_0,
4843 df_confluence_function_n, df_transfer_function,
4844 df_finalizer_function, df_free_function, df_dump_problem_function,
4845 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4846 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4847 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4848 df_urec_bb_info, ) New types.
4849 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4851 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4852 df_analyze_simple_change_some_blocks,
4853 df_analyze_simple_change_one_block, df_compact_blocks,
4854 df_bb_replace, df_bb_regno_last_use_find,
4855 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4856 df_insn_regno_def_p, df_find_def, df_find_use,
4857 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4858 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4859 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4860 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4861 debug_df_chain, df_get_dependent_problem, df_chain_create,
4862 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4863 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4864 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4865 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4866 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4867 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4868 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4869 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4870 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4871 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4872 df_reorganize_refs, df_set_state, df_hard_reg_init,
4873 df_read_modify_subreg_p) New public functions.
4874 * df-core.c: The core dataflow solver and glue routines for rtl
4876 (df_init, df_add_problem, df_set_blocks, df_finish,
4877 df_hybrid_search_forward, df_hybrid_search_backward,
4878 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4879 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4880 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4881 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4882 df_reg_defined, df_find_use, df_reg_used, df_dump,
4883 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4884 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4885 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4886 debug_df_useno, reset_df_after_reload): New functions.
4887 * df-scan.c: The scanning fuctions, once in df.c, completely
4888 rewritten so that they now fully model the functionality of
4889 register usage at the backend.
4890 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4891 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4892 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4893 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4894 df_get_artificial_defs, df_get_artificial_uses,
4895 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4896 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4897 df_refs_delete, df_reorganize_refs, df_set_state,
4898 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4899 df_def_record_1, df_defs_record, df_uses_record,
4900 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4901 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4902 df_record_exit_block_uses, df_hard_reg_init): New functions.
4904 * df-problems.c: Seven concrete dataflow problems that use the
4905 scanning in df-scan.c and are solved by the engine in df-core.c.
4906 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4907 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4908 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4909 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4910 df_ru_free_bb_info, df_ru_alloc,
4911 df_ru_bb_local_compute_process_def,
4912 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4913 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4914 df_ru_transfer_function, df_ru_free, df_ru_dump,
4915 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4916 df_rd_free_bb_info, df_rd_alloc,
4917 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4918 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4919 df_rd_transfer_function, df_rd_free, df_rd_dump,
4920 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4921 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4922 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4923 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4924 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4925 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4926 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4927 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4928 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4929 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4930 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4931 df_urec_mark_reg_use_for_earlyclobber,
4932 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4933 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4934 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4935 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4936 df_chain_create_bb_process_use, df_chain_create_bb,
4937 df_chain_finalize, df_chain_free, df_chains_dump,
4938 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4939 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4940 df_reg_lifetime): New functions.
4941 * df.c: Deleted file.
4942 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4943 consistent with new df api.
4944 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4945 rest_of_handle_sms): Ditto.
4946 * web.c (unionfind_union, union_defs, entry_register, web_main):
4948 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4949 invariant_expr_equal_p, find_defs, check_dependencies,
4950 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4951 free_inv_motion_data, move_loop_invariants): Ditto.
4952 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4953 Update dependencies.
4954 (odf.c): Added defective entry that was deleted later in day.
4955 * sched-deps.c (sched_analyze_1): Ditto.
4957 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4959 * tree-ssa-operands.c (get_expr_operands): Record addressable
4960 variables directly. Do not call add_stmt_operands for CONST_DECLs
4962 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4963 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4965 2006-01-11 Ben Elliston <bje@au.ibm.com>
4967 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4968 function returns true in the positive case.
4970 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4973 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4974 for SI, DI, SF and DF modes. Add alternatives to copy between
4975 general and floating point registers to the 32-bit patterns.
4976 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4977 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4978 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4979 generating 64-bit code.
4980 * config/pa/pa.c (output_move_double): Handle copies between general
4981 and floating registers.
4983 2006-01-10 Stuart Hastings <stuart@apple.com>
4985 * config/i386/i386.md (set_got): Update.
4986 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4987 (builtin_setjmp_receiver): Mach-O support.
4988 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4989 (GOT_SYMBOL_NAME): Define.
4990 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4991 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4992 * config/i386/i386.c (override_options): Revise for Darwin.
4993 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4994 support. (darwin_x86_file_end): New. (output_set_got): Add label
4995 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4996 * config/i386/i386-protos.h (output_set_got): Likewise.
4997 * config/darwin.c (machopic_legitimize_pic_address): Update
5000 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5002 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5003 when MODE isn't BLKmode.
5005 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5007 PR rtl-optimization/25367
5008 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5010 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5013 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5014 for a negative bound.
5016 2006-01-10 Richard Guenther <rguenther@suse.de>
5018 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5019 Never override with anything constraint.
5021 2006-01-10 Jan Beulich <jbeulich@novell.com>
5023 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5024 256 bits when optimize_size.
5026 2006-01-10 Jan Beulich <jbeulich@novell.com>
5028 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5030 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5031 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5034 2006-01-10 Ben Elliston <bje@au.ibm.com>
5036 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5038 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5039 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5040 (USE_FP_FOR_ARG): Reject decimal float modes.
5041 (function_arg_advance): Likewise.
5042 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5043 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5044 point types in AltiVec vectors.
5045 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5046 (rs6000_libcall_value): Likewise.
5048 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5050 * config/xtensa/ieee754-df.S: New file.
5051 * config/xtensa/ieee754-sf.S: New file.
5052 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5053 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5054 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5056 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5058 * config/sh/predicates.md (binary_float_operator,
5059 binary_logical_operator, commutative_float_operator,
5060 equality_comparison_operator, greater_comparison_operator,
5061 less_comparison_operator, logical_operator,
5062 noncommutative_float_operator, shift_operator,
5063 symbol_ref_operand, unary_float_operator): Remove redundant
5066 2006-01-09 Jeff Law <law@redhat.com>
5068 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5069 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5070 now unused arguments. Callers updated.
5071 (eliminate_redundant_computations): Remove now unused arguments,
5073 (local_fold): Remove, no longer used.
5074 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5076 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5077 (simplify_cond): New function.
5078 (forward_propagate_into_cond): Call simplify_cond.
5080 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5082 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5083 (*vec_extractv2di_1_sse): New.
5085 2006-01-09 Ben Elliston <bje@au.ibm.com>
5087 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5089 2006-01-08 Richard Guenther <rguenther@suse.de>
5091 * tree-ssa-structalias.c (get_constraint_for): Remove
5093 (get_constraint_for_component_ref): Likewise.
5094 (do_deref): Likewise.
5095 (get_constraint_for): Likewise.
5096 (do_structure_copy): Likewise.
5097 (handle_ptr_arith): Likewise.
5098 (find_func_aliases): Likewise. Remove unused need_anyoffset
5101 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5102 Kaz Kojima <kkojima@gcc.gnu.org>
5104 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5105 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5106 (EXTRA_CONSTRAINT_C16): Remove.
5107 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5108 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5109 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5110 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5111 constants of SHmedia. Handle nested constant expressions of
5113 (andcosts): Fix the costs for SHmedia constants.
5114 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5115 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5116 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5117 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5118 (movv4hi_i, movv2si_i): Likewise.
5119 (movsi_const): Adjust the second operand of ior so to match with
5121 (movdi_const, movdi_const_32bit): Likewise.
5122 (movdi_const_16bit+1): Don't sign-extend LOW.
5123 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5125 (*double_shori): Fix the split condition. Use GEN_INT instead
5126 of get_int_mode calls. Mask lower 16-bit of the argument of
5128 (sym2GOTPLT): Remove.
5129 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5131 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5132 instead of EXTRA_CONSTRAINT_C16.
5134 2006-01-07 Ian Lance Taylor <ian@airs.com>
5135 David Edelsohn <edelsohn@gnu.org>
5137 PR rtl-optimization/25662
5138 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5139 for constant operands instead of simplify_gen_binary.
5140 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5141 after trying simplify_binary_operation
5143 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5145 * tree.c (iterative_hash_expr): Hash decls based on UID.
5147 2006-01-06 Eric Christopher <echristo@apple.com>
5149 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5150 (TARGET_UNWIND_EMIT): Fix spelling.
5151 * target.h (gcc_target): Add except_table_label.
5152 * except.c (output_function_exception_table): Use.
5153 * varasm.c (default_emit_except_table_label): New.
5154 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5156 (asm_out): Add here.
5157 * output.h (default_emit_except_table_label): Prototype.
5158 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5159 * config/darwin.c (darwin_emit_except_table_label): Define.
5160 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5162 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5164 PR tree-optimization/18527
5165 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5166 number_of_iterations_special, number_of_iterations_exit):
5167 Move base and step of an iv to a single structure. Add
5168 no_overflow flag, and use it in # of iterations analysis.
5169 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5170 folded_casts argument.
5171 (simple_iv): Pass base and step in a structure. Set no_overflow
5173 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5174 Evaluate expensiveness of computing # of iterations instead of
5175 the final expression.
5176 * tree-scalar-evolution.h (affine_iv): New structure.
5177 (simple_iv): Declaration changed.
5178 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5179 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5180 find_givs_in_stmt): Changed due to simple_iv change.
5182 2006-01-06 Jeff Law <law@redhat.com>
5185 * tree-cfg.c (bsi_replace): Rename final argument from
5186 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5187 change (stmt -> orig_stmt).
5188 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5189 (bsi_remove): Add new argument. Remove EH information
5191 (verify_eh_throw_table_statements): New function.
5192 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5194 * tree-optimize.c (execute_free_cfg_annotations): Verify
5195 the EH throw statement table after removing annotations.
5196 * except.h (verify_eh_throw_table_statements): Prototype.
5197 * tree-flow.h (bsi_remove): Update prototype.
5198 * tree-vrp.c (remove_range_assertions): Add new argument to
5200 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5201 * tree-complex.c (expand_complex_div_wide): Likewise.
5202 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5203 * tree-tailcall.c (eliminate_tailcall): Likewise.
5204 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5205 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5206 * tree-nrv.c (tree_nrv): Likewise.
5207 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5208 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5209 (combine_blocks): Likewise.
5210 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5211 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5212 (cleanup_control_flow): Likewise.
5213 (remove_forwarder_block): Likewise.
5214 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5215 * tree-sra.c (sra_replace): Likewise.
5216 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5217 (forward_propagate_single_use_vars): Likewise.
5218 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5219 * tree-inline.c (expand_call_inline): Likewise.
5220 * tree-vect-transform.c (vect_transform_loop): Likewise.
5221 * tree-outof-ssa.c (rewrite_trees): Likewise.
5222 * tree-cfg.c (make_goto_expr_edges): Likewise.
5223 (cleanup_dead_labels): Likewise.
5224 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5225 (bsi_move_before, bsi_move_after): Likewise.
5226 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5227 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5229 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5232 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5234 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5235 on non gimple variables. Also add checks at the top for decls and
5237 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5239 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5240 and IMAGPART_EXPR for creating MUST_DEFs.
5241 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5242 and NAME_MEMORY_TAG separately from the DECLs.
5244 2006-01-06 Richard Guenther <rguenther@suse.de>
5246 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5247 annotation, if necessary.
5248 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5249 redundant calls to update_stmt.
5250 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5253 2006-01-05 Richard Henderson <rth@redhat.com>
5255 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5257 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5259 * c-typeck.c: Update copyright date.
5261 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5263 * c-typeck.c (build_c_cast): Always warn when casting
5264 from a pointer to an integer of different size, even if
5265 the node was constant.
5267 2006-01-05 Richard Guenther <rguenther@suse.de>
5269 PR tree-optimization/22555
5270 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5271 if one structure field is an array.
5272 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5273 operands even if we found a subvar, but ignore VOPs in this
5275 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5277 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5279 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5282 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5284 2006-01-05 Richard Guenther <rguenther@suse.de>
5285 Diego Novillo <dnovillo@redhat.com>
5287 * tree-pass.h (TODO_remove_unused_locals): Define.
5288 * gimple-low.c (expand_var_p, remove_useless_vars,
5289 pass_remove_useless_vars): Remove. Update all users.
5290 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5291 (remove_unused_locals): New function.
5292 * tree-flow.h (remove_unused_locals): Declare.
5293 * passes.c (execute_todo): Call remove_unused_locals if
5294 TODO_remove_unused_locals is set.
5295 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5296 * tree-ssa-dce.c (pass_dce): Likewise.
5297 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5299 2006-01-05 Richard Guenther <rguenther@suse.de>
5301 * tree-flow.h (struct fieldoff): Decompose field to
5302 type, size and decl.
5303 * tree-ssa-alias.c (create_sft): Take type as parameter.
5304 (create_overlap_variables_for): Store type, size and decl
5305 in the fieldoff structure.
5306 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5308 (push_fields_onto_fieldstack): Likewise.
5309 (create_variable_info_for): Likewise. Use offset for the
5310 SFT name if the decl is not available.
5312 2006-01-04 Paul Brook <paul@codesourcery.com>
5314 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5316 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5318 * lambda-code.c (can_put_in_inner_loop): Relax
5320 (can_put_after_inner_loop): New function.
5321 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5322 (perfect_nestify): Change to make copies and modify uses.
5324 2006-01-04 Richard Henderson <rth@redhat.com>
5326 Merge from gomp branch:
5327 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5328 via integer constant.
5329 (pragma_lex): Remove.
5330 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5331 rather than parsing it.
5332 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5333 handle_pragma_extern_prefix): Add %< %> quotes.
5334 (registered_pragmas): New.
5335 (c_register_pragma_1): New.
5336 (c_register_pragma): Use it.
5337 (c_register_pragma_with_expansion): Likewise.
5338 (c_invoke_pragma_handler): New.
5339 (init_pragma): Use cpp_register_deferred_pragma directly for
5341 * c-pragma.h (enum pragma_kind): New.
5342 (pragma_handler): New.
5343 (c_invoke_pragma_handler): Declare.
5344 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5346 * c-common.h (c_common_pch_pragma): Update decl.
5347 * Makefile.in (c-parser.o): Update dependencies.
5348 (GTFILES): Add c-pragma.h.
5349 * c-parser.c (struct c_token): Add pragma_kind.
5350 (struct c_parser): Add in_pragma.
5351 (c_lex_one_token): Always initialize keyword and pragma_kind.
5352 Extract data for CPP_PRAGMA.
5353 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5354 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5355 Don't allow CPP_PRAGMA_EOL if in_pragma.
5356 (c_parser_consume_pragma): New.
5357 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5358 (c_parser_skip_to_end_of_parameter): Likewise.
5359 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5360 (c_parser_skip_to_pragma_eol): New.
5361 (c_parser_external_declaration): Handle CPP_PRAGMA.
5362 (c_parser_compound_statement_nostart): Likewise.
5363 (c_parser_statement_after_labels): Likewise.
5364 (c_parser_pragma): New.
5365 (pragma_lex): Likewise.
5366 (c_parser_pragma_pch_preprocess): New.
5367 (c_parser_new): Merge into ...
5368 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5370 2006-01-04 Jeff Law <law@redhat.com>
5373 * tree-cfg.c (bsi_replace): Remove the original statement
5374 from the EH throw statement table.
5376 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5378 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5379 make the prototype extern "C" and add throw ().
5382 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5383 and pos non-negative and pos + len <= 32.
5384 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5385 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5386 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5389 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5390 as well as sizes not multiple of component size.
5393 * function.c (instantiate_expr): New function.
5394 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5395 walk its DECL_VALUE_EXPR with instantiate_expr.
5397 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5398 DW_OP_deref{,_size} if address isn't going to be added.
5400 2006-01-04 Ben Elliston <bje@au.ibm.com>
5402 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5403 * config/fp-bit.c: Likewise.
5405 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5407 * dominance.c: Add comment about why we use DFS numbering
5410 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5411 Richard Henderson <rth@redhat.com>
5413 Merge from gomp-branch:
5414 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5415 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5417 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5419 PR rtl-optimization/25578
5420 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5421 pass a parameter to simplify_shift_const if changing ASHIFTRT
5424 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5426 * builtins.c (get_builtin_sync_mem): New function.
5427 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5428 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5429 Call get_builtin_sync_mem to generate mem rtx.
5431 2006-01-03 Richard Guenther <rguenther@suse.de>
5434 * stmt.c (add_case_node): Make sure to clear overflow flags
5437 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5439 Merge from gomp-branch.
5440 * config/sparc/sync.md: New file.
5441 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5442 UNSPECV_LDSTUB): New constants.
5443 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5444 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5445 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5448 2006-01-03 Roger Sayle <roger@eyesopen.com>
5450 * combine.c (reg_subword_p): New predicate to test whether the
5451 destination of a set refers to a subword/piece of a register.
5452 (try_combine): Generalize the code to merge the setting of a
5453 pseudo to a constant followed by a set of a subword of that
5454 register to a constant.
5456 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5458 * basic-block.h (control_flow_graph): Change the type of
5459 x_label_to_block_map to VEC(basic_block,gc) *.
5460 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5461 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5463 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5464 VEC(basic_block,heap) *.
5465 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5466 ssa_prop_fini): Adjust the uses of cfg_blocks.
5468 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5470 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5472 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5473 hashing trees instead of a pointer hash.
5474 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5475 compare for MEM_EXPR.
5477 PR rtl-optimization/25130
5478 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5479 when comparing MEMs for GCSE
5481 2006-01-03 Ben Elliston <bje@au.ibm.com>
5483 * targhooks.h (default_decimal_float_supported_p): Declare.
5484 * targhooks.c (default_decimal_float_supported_p): Define.
5485 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5486 `default_decimal_float_supported_p'.
5487 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5489 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5491 * combine.c (apply_distributive_law <SUBREG>): Check
5492 TRULY_NOOP_TRUNCATION.
5494 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5496 * dwarf2out.c (have_switched_text_section): Delete.
5497 (have_multiple_function_sections): New.
5498 (have_location_lists): Make 'bool'.
5499 (add_AT_loc_list): Use 'true' not '1'.
5500 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5501 (output_loc_list): Use have_multiple_function_sections.
5502 (output_ranges): Likewise.
5503 (dwarf2out_begin_function): Set have_multiple_function_sections if
5505 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5506 Check function_section rather than DECL_SECTION_NAME.
5507 (dwarf2out_finish): Use have_multiple_function_sections.
5508 Don't clear have_location_lists.
5510 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5511 Jan Hubicka <jh@suse.cz>
5513 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5514 case of conditional jump jumping to the next instruction.
5515 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5516 cases of conditional jump jumping to the next instruction.
5518 2006-01-02 Jan Hubicka <jh@suse.cz>
5520 * i386.c (*_cost): Add COSTS_N_INSNS.
5521 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5523 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5526 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5528 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5530 * config/arm/arm.c (all_fpus): Fix comment typo.
5531 * config/darwin.c: Likewise.
5532 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5533 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5534 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5536 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5538 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5539 (rs6000_split_compare_and_swapqhi): New.
5540 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5541 (sync_compare_and_swapqhi_internal): New.
5542 * config/rs6000/rs6000-protos.h: Declare.