1 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8 (vec_extractv2df_0_sse): New.
10 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16 to the result of the expression.
18 (frame_pointer_cfa_offset): Rename to...
19 (frame_pointer_fb_offset): ... this. Adjust all uses.
20 (convert_cfa_to_loc_list): Rename to...
21 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
22 Pass it on to build_cfa_loc.
23 (compute_frame_pointer_to_cfa_displacement): Rename to...
24 (compute_frame_pointer_to_fb_displacement): ... this. New
25 offset parameter. Use it in computation.
26 (gen_subprogram_die): Compute cfa_fb_offset with the new
27 macro, and use it to compute the fb loc list and the
30 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
32 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
33 replaced with register_operand.
34 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
35 non-DREG is expensive.
36 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
37 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
40 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
42 * doc/install.texi2html: Use set -e.
44 2006-02-21 Richard Sandiford <richard@codesourcery.com>
46 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
47 (ASM_OUTPUT_SHARED_LOCAL): Delete.
48 * doc/invoke.texi (-fshared-data): Delete.
49 * common.opt (fshared-data): Delete.
50 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
51 (assemble_static_space): Remove #if 0 code.
52 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
53 (ASM_OUTPUT_SHARED_LOCAL): Poison.
54 * config/cris/cris.h: Remove FIXME.
56 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
58 * doc/sourcebuild.texi (Front End Directory): No more double-colon
61 2006-02-21 Jakub Jelinek <jakub@redhat.com>
64 * combine.c (simplify_shift_const_1): Disable nested shifts
65 optimization for vector shifts.
67 2006-02-20 Roger Sayle <roger@eyesopen.com>
69 PR tree-optimization/26361
70 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
71 of unsigned integer types.
73 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
75 * tree-chrec.c (eq_evolutions_p): New.
76 * tree-chrec.h (eq_evolutions_p): Declared.
77 * tree-data-ref.c: Fix formatting.
78 (datadep_stats, dependence_stats): New.
80 (print_direction_vector): New.
81 (dump_data_dependence_relation): Use print_direction_vector.
82 (object_analysis, create_data_ref): Handle COMPONENT_REF.
83 (compute_subscript_distance): Static.
84 (initialize_data_dependence_relation): Static. Get the number
85 of loops surrounding the references from the callers, and initialize
86 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
87 base_object_differ_p analyzers.
88 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
89 compute_overlap_steps_for_affine_1_2,
90 analyze_subscript_affine_affine): Count the classified dependences.
91 Print a message when a test failed.
92 (can_use_analyze_subscript_affine_affine): New.
93 (analyze_siv_subscript): Compute the data dependences on symbolic
94 scevs that verify can_use_analyze_subscript_affine_affine.
95 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
96 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
97 Handle symbolic scevs.
98 (analyze_overlapping_iterations): Let symbolic affine scevs to be
100 (subscript_dependence_tester): Moved...
101 (build_classic_dist_vector, build_classic_dir_vector): Don't use
102 lambda_vector_clear on newly allocated vectors. Get nb_loops from
103 DDR_SIZE_VECT instead of getting it in parameter.
104 (subscript_dependence_tester): ... here. Take as a parameter
105 loop_nest_depth. Call build_classic_dist_vector and
106 build_classic_dir_vector.
107 (compute_affine_dependence): Update subscript_dependence_tester
108 parameters. Update datadep_stats counters. Call
109 compute_subscript_distance.
110 (compute_self_dependence): Save the dist and dir vectors. Call
111 compute_subscript_distance.
112 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
113 (compute_all_dependences): Reorder parameters as they were before
114 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
115 compute_subscript_distance. Update the use of
116 compute_affine_dependence and initialize_data_dependence_relation.
117 (find_data_references_in_loop): Handle COMPONENT_REF.
118 (compute_data_dependences_for_loop): Initialize dependence_stats.
119 Don't call build_classic_dist_vector and build_classic_dir_vector.
120 Update the parameters of initialize_data_dependence_relation and
121 compute_all_dependences. Print the statistics from datadep_stats.
122 (analyze_all_data_dependences): Static. Not used until the pass for
123 checking the data dependences is contributed.
124 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
125 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
126 (initialize_data_dependence_relation, compute_affine_dependence,
127 analyze_all_data_dependences, compute_subscript_distance): Removed.
128 (print_direction_vector): New.
129 * lambda.h (gcd): ... here.
130 (lambda_vector_gcd): Moved here from gcd_vector.
131 * lambda-code.c (gcd, gcd_vector): Removed.
132 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
133 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
135 2006-02-20 Diego Novillo <dnovillo@redhat.com>
137 * ipa-type-escape.c: Tidy some comments and white space.
138 * tree-ssa-operands.c: Likewise.
140 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
143 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
144 (dump_decl_name): Do not walk the decl tree chains.
145 * tree-pass.h (TDF_CHAIN): Remove.
147 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
149 * Makefile.in (C): Remove
151 (.PHONY): Remove C and PROTO
153 2006-02-20 Roger Sayle <roger@eyesopen.com>
156 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
157 deprecated CHAR_TYPE tree code.
159 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
161 * configure.ac (target_list): Add install-info, dvi, html.
162 * configure: Regenerate.
164 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
165 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
166 treelang/Make-lang.in: Do not use double-colon rules.
168 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
170 * tree.h (struct tree_memory_tag): Add is_used_alone member.
171 (TMT_USED_ALONE): New macro.
172 * tree-pass.h (PROP_tmt_usage): New property.
173 (TODO_update_tmt_usage): New todo.
174 * tree-ssa-alias.c (updating_used_alone): New variable.
175 (recalculate_used_alone): New function.
176 (compute_may_aliases): Set updating_used_alone, call
177 recalculate_used_alone.
178 * tree-sra.c (pass_sra): Note that this pass destroys
179 PROP_tmt_usage, and add TODO_update_tmt_usage.
180 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
181 * tree-flow.h (updating_used_alone): Prototype.
182 (recalculate_used_alone): Ditto.
183 * passes.c (execute_todo): Add code to set updating_used_alone,
184 and call recalculate.
185 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
186 for clobber if used alone, and add assert to verify used_alone
189 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
191 * config/s390/s390.c (legitimize_pic_address): Assertions checking
192 for non tls symbols added.
193 (legitimize_address): Do nothing for PLUS expressions if one of the
194 addends is a tls symbol reference.
196 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
200 * Makefile.in (LDFLAGS): Define from autoconf substitution.
202 * Makefile.in (BOOTSTRAPPING): New.
203 (quickstrap): New definition if BOOTSTRAPPING=yes.
205 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
206 * configure.ac: Substitute all_selected_languages with the languages
207 that were configured. For all the other variables except
208 lang_specs_files, include all the languages in the tree.
209 * configure: Regenerate.
211 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
212 if there is one. Run the commands to run fixincludes in the same
215 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
216 * doc/install.texi: Document exact conventions for searching target tools.
217 Document --with-build-time-tools. Document toplevel bootstrap. Document
218 something more about building an Ada cross-compiler. Don't list GNU Make
219 requirements which affect all platforms.
221 2006-02-19 Roger Sayle <roger@eyesopen.com>
224 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
225 only equivalent if the have both the same mode and precision.
227 2006-02-20 Ben Elliston <bje@au.ibm.com>
229 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
231 2006-02-19 Roger Sayle <roger@eyesopen.com>
232 Steven Bosscher <stevenb.gcc@gmail.com>
234 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
235 constant pool references to identify stack mode constants.
236 * rtlanal.c (constant_pool_constant_p): New predicate to check
237 whether operand is a floating point constant in the pool.
238 * rtl.h (constant_pool_constant_p): Prototype here.
239 * loop.c (scan_loop): Avoid hoisting constants from the constant
240 pool on STACK_REGS targets.
241 (load_mems): Likewise.
242 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
243 loads into x87 registers expensive in terms of register pressure.
245 2006-02-19 Roger Sayle <roger@eyesopen.com>
247 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
248 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
250 2006-02-19 David Edelsohn <edelsohn@gnu.org>
252 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
253 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
255 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
257 * doc/invoke.texi: Document -fipa-pta.
258 * common.opt: Add ipa-pta option.
259 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
260 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
261 (do_ds_constraint): Ditto.
262 (get_constraint_for): Only add to referenced_vars if
263 referenced_vars exists.
264 (insert_into_field_list): Rewrite to do this unsorted.
265 (insert_into_field_list_sorted): Rename old insert_into_field_list
267 (create_function_info_for): Use insert_into_field_list_sorted.
268 (create_variable_info_for): Rewrite so it uses unsorted version,
269 since the field list is sorted.
270 (intra_create_variable_infos): Only add to referenced_vars if
271 referenced_vars exists.
272 (ipa_pta_execute): Init heapvars, and delete when done.
273 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
275 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
277 * doc/install.texi: Add missing `@samp'.
279 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
281 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
284 2006-02-18 Mark Wielaard <mark@klomp.org>
286 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
287 who added new 4.1 features, bug fixes and integration support.
289 2006-02-18 David Edelsohn <edelsohn@gnu.org>
292 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
295 2006-02-18 Richard Sandiford <richard@codesourcery.com>
297 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
298 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
299 (copy_insn_1): Likewise. Don't copy each field individually.
301 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
303 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
304 * rtl.c (rtx_size): Rename variable to...
305 (rtx_code_size): ...this.
306 (rtx_size): New function.
307 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
308 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
310 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
311 * rtl.h (rtx_code_size): New variable.
312 (rtx_size): Change from a variable to a function.
313 (RTX_SIZE): Rename to...
314 (RTX_CODE_SIZE): ...this.
317 PR tree-optimization/17106
318 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
319 (Anchored Addresses): New section.
320 * doc/invoke.texi (-fsection-anchors): Document.
321 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
322 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
323 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
324 * hooks.c (hook_bool_mode_rtx_false): New function.
325 * hooks.h (hook_bool_mode_rtx_false): Declare.
326 * gengtype.c (create_optional_field): New function.
327 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
328 SYMBOL_REF_IN_BLOCK_P is true.
329 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
330 (min_anchor_offset, max_anchor_offset): Likewise.
331 (use_anchors_for_symbol_p): New hook.
332 * toplev.c (compile_file): Call output_object_blocks.
333 (target_supports_section_anchors_p): New function.
334 (process_options): Check that -fsection-anchors is only used on
335 targets that support it and when -funit-at-a-time is in effect.
336 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
337 if the decl doesn't have one.
338 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
339 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
340 of force_const_mem through use_anchored_address.
341 (expand_expr_constant): New function.
342 (expand_expr_addr_expr_1): Call it. Use the same modifier when
343 calling expand_expr for INDIRECT_REF.
344 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
345 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
346 * expr.h (use_anchored_address): Declare.
347 * loop-unroll.c: Don't declare rtx vectors here.
348 * explow.c: Include output.h.
349 (validize_mem): Call use_anchored_address.
350 (use_anchored_address): New function.
351 * common.opt (-fsection-anchors): New switch.
352 * varasm.c (object_block_htab, anchor_labelno): New variables.
353 (hash_section, object_block_entry_eq, object_block_entry_hash)
354 (use_object_blocks_p, get_block_for_section, create_block_symbol)
355 (use_blocks_for_decl_p, change_symbol_section): New functions.
356 (get_variable_section): New function, split out from assemble_variable.
357 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
358 use_blocks_for_decl_p say so. Use change_symbol_section if the
359 symbol has already been created.
360 (assemble_variable_contents): New function, split out from...
361 (assemble_variable): ...here. Don't output any code for
362 block symbols; just pass them to place_block_symbol.
363 Use get_variable_section and assemble_variable_contents.
364 (get_constant_alignment, get_constant_section, get_constant_size): New
365 functions, split from output_constant_def_contents.
366 (build_constant_desc): Create a block symbol if use_object_blocks_p
367 says so. Or into SYMBOL_REF_FLAGS.
368 (assemble_constant_contents): New function, split from...
369 (output_constant_def_contents): ...here. Don't output any code
370 for block symbols; just pass them to place_section_symbol.
371 Use get_constant_section and get_constant_alignment.
372 (force_const_mem): Create a block symbol if use_object_blocks_p and
373 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
374 (output_constant_pool_1): Add an explicit alignment argument.
375 Don't switch sections here.
376 (output_constant_pool): Adjust call to output_constant_pool_1.
377 Switch sections here instead. Don't output anything for block symbols;
378 just pass them to place_block_symbol.
379 (init_varasm_once): Initialize object_block_htab.
380 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
381 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
382 (place_block_symbol, get_section_anchor, output_object_block)
383 (output_object_block_htab, output_object_blocks): New functions.
384 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
385 (TARGET_ASM_OUT): Include it.
386 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
387 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
388 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
389 (TARGET_INITIALIZER): Include them.
390 * rtl.c (rtl_check_failed_block_symbol): New function.
391 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
392 (block_symbol, object_block): New structures.
393 (rtx_def): Add a block_symbol field to the union.
394 (BLOCK_SYMBOL_CHECK): New macro.
395 (rtl_check_failed_block_symbol): Declare.
396 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
397 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
398 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
399 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
400 * output.h (output_section_symbols): Declare.
401 (object_block): Name structure.
402 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
403 (default_use_anchors_for_symbol_p): Declare.
404 * Makefile.in (RTL_BASE_H): Add vec.h.
405 (explow.o): Depend on output.h.
406 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
407 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
408 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
409 (rs6000_use_blocks_for_constant_p): New function.
411 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
413 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
415 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
418 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
421 2006-02-18 Diego Novillo <dnovillo@redhat.com>
423 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
427 2006-02-18 Jakub Jelinek <jakub@redhat.com>
430 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
431 instead of DECL_REGISTER.
433 2006-02-18 Olivier Hainque <hainque@adacore.com>
436 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
438 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
441 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
442 * opth-gen.awk: Handle Var and InverseMask together.
443 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
444 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
445 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
446 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
448 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
449 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
450 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
451 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
452 LINUX_DYNAMIC_LINKER): Define.
453 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
454 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
456 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
457 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
458 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
459 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
460 (TARGET_C99_FUNCTIONS): Don't define.
461 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
462 GLIBC_DYNAMIC_LINKER.
463 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
464 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
465 GLIBC_DYNAMIC_LINKER64): Define.
466 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
467 LINUX_DYNAMIC_LINKER64.
468 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
470 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
472 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
473 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
474 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
475 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
476 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
478 and LINUX_DYNAMIC_LINKER32.
479 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
481 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
483 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
485 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
486 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
487 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
488 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
489 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
490 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
491 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
492 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
493 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
494 LINUX_DYNAMIC_LINKER): Define.
495 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
496 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
497 GLIBC_DYNAMIC_LINKER64): Define.
498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
499 LINUX_DYNAMIC_LINKER64.
500 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
501 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
502 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
503 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
504 LINUX_DYNAMIC_LINKER): Define.
505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
506 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
507 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
508 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
509 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
510 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
511 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
512 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
513 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
514 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
516 * doc/invoke.texi (-muclibc): Remove caveat about supported
519 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
521 * doc/cpp.texi (__TIMESTAMP__): Document.
523 2006-02-17 Roger Sayle <roger@eyesopen.com>
526 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
527 C is one less than the width of X (and related transformations).
528 * simplify_rtx.c (simplify_unary_operation_1): Transform
529 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
530 depending on STORE_FLAG_VALUE, were C is one less then the
533 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
535 Fix PR tree-optimization/26341
536 * tree-ssa-operands.c (add_virtual_operand): Remove assert
537 about NAME_MEMORY_TAG's.
539 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
542 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
543 with hardware float support, and software float support. Add fcpy
544 alternative to hardware patterns. Add alternatives to copy between
545 general and floating-point registers to the 32-bit pattern.
546 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
547 secondary reload to load a QI or HI mode constant into a floating
549 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
550 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
552 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
555 * config/rs6000/darwin.md (load_macho_picbase_si): Add
557 (load_macho_picbase_di): Likewise.
559 2006-02-16 Jeff Law <law@redhat.com>
561 * tree-vrp.c (set_value_range_to_nonnegative): New function.
562 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
563 (ssa_name_nonzero_p): Likewise.
564 (get_value_range): Return NULL if VRP is not running.
565 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
566 VRP routines do not discover a range.
567 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
568 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
569 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
570 (tree_expr_nonnegative_p): Similarly.
571 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
572 (restore_nonzero_vars_to_original_value): Remove.
573 (unsafe_associative_fp_binop): Remove.
574 (tree_ssa_dominator_optimize): Remove initialization and
575 finalization of nonzero_vars and nonzero_vars_stack.
576 (dom_opt_initialize_block): No longer push marker on
578 (dom_opt_finalize_block): No longer call
579 restore_nonzero_vars_to_original_value.
580 (record_equivalences_from_phis): No longer look for
581 nonzero PHI arguments.
582 (cprop_into_successor_phis): No longer propagate nonzero
583 property into PHI arguments. Lose unused argument. Caller
585 (record_equivalences_from_stmt): No longer record nonzero
586 values for SSA_NAMEs.
587 (lookup_avail_expr): No longer use nonzero_vars.
589 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
590 for sizetype when sizetype is unsigned.
592 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
594 PR rtl-optimization/25603
595 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
596 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
597 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
598 with new meaning of SETS.
600 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
605 * config/linux.opt: New file.
606 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
607 LINUX_DYNAMIC_LINKER): Define.
608 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
609 * config.gcc (*-*-linux*): Define extra_options.
610 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
611 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
612 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
613 GLIBC_DYNAMIC_LINKER.
614 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
615 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
616 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
618 * doc/invoke.texi (GNU/Linux Options): New section.
620 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
622 * config/sparc/sparc.md (setjmp): Rewrite.
624 (setjmp_64): Likewise.
626 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
628 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
631 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
633 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
636 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
638 PR rtl-optimization/26296
639 * Makefile.in (loop-invariant.c): Add except.h dependency.
640 * loop-invariant.c: Include except.h.
641 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
643 2005-02-16 Paul Brook <paul@codesourcery.com>
645 * reload1.c (emit_reload_insns): Invalidate dead input registers used
648 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
650 PR rtl-optimization/25636
651 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
652 when deciding whether an insn is an initializing insn.
654 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
656 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
657 (tree_code_size): Ditto.
658 * tree.h (struct tree_memory_tag): Remove parent_var.
659 (struct tree_struct_field_tag): New.
662 (union tree_node): Add sft member.
663 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
665 (create_sft): Add size and offset argument, set SFT_OFFSET and
667 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
668 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
669 * tree-flow-inline.h (get_subvar_at): Update for
671 (var_can_have_subvars): Ditto.
672 (overlap_subvar): Ditto.
673 * print-tree.c (print_node): Print out interesting things for
675 * tree-flow.h (struct subvar): Remove offset and size members.
676 * tree-ssa-operands.c (get_expr_operands): Update for
677 get_indirect_ref_operands changes.
678 (get_indirect_ref_operands): Call add_virtual_operand instead of
679 add_stmt_operand. Only recurse on base var if requested.
680 (access_can_touch_variable): New function.
681 (add_stmt_operand): Split virtual operand handling into ...
682 (add_virtual_operand): Here. Add offset, size, and for_clobber
683 arguments. Prune alias sets.
684 (add_call_clobber_ops): Call add_virtual_operand.
686 2006-02-15 Jakub Jelinek <jakub@redhat.com>
689 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
691 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
692 than TREE_CODE as index into omp_clause_num_ops array.
694 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
696 PR rtl-optimization/26184
697 * modulo-sched.c (generate_reg_moves): Free bitmap vector
699 * modulo-sched.c (sms_schedule): Free g_arr pointer.
700 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
701 must_precede, must_follow and tobe_scheduled.
704 * opts.c (common_handle_option): Free new_option pointer.
705 * df-core.c (df_analyze): Free postorder pointer.
707 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
709 * Makefile.in: Fix the examples about the use of stamps
711 2006-02-15 Michael Matz <matz@suse.de>
715 * stor-layout.c (layout_decl): Zero-width bitfields aren't
716 influenced by maximum_field_alignment or DECL_PACKED.
717 (update_alignment_for_field): Ditto.
718 (place_field): Ditto.
719 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
722 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
724 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
725 (debug_flow_info): Pass it.
726 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
727 * bb-reorder.c (reorder_basic_blocks): Likewise.
728 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
729 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
730 * flow.c (life_analysis, recompute_reg_usage): Likewise.
731 * gcse.c (gcse_main, bypass_jumps): Likewise.
732 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
733 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
734 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
735 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
736 * rtl.h (dump_flow_info): Adjust prototype.
737 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
738 * var-tracking.c (variable_tracking_main): Likewise.
739 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
740 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
743 2006-02-15 Marcin Dalecki <martin@dalecki.de>
745 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
748 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
750 PR tree-optimization/26209
751 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
752 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
754 * tree-cfg.c (replace_uses_by): Do not alter cfg.
756 2006-02-14 Roger Sayle <roger@eyesopen.com>
759 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
760 (X,Y) and the corresponding symmetry related transformations.
761 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
762 (X,Y) and its symmetry related transformations.
764 2006-02-14 Roger Sayle <roger@eyesopen.com>
766 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
769 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
771 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
773 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
776 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
777 support COMDAT group.
778 * configure: Regenerate.
780 2006-02-14 Roger Sayle <roger@eyesopen.com>
785 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
787 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
789 Fix PR tree-optimization/26260
791 * doc/invoke.texi (max-fields-for-field-sensitive): Document
793 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
794 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
795 * tree-ssa-structalias.c (create_variable_info_for): Use
796 MAX_FIELDS_FOR_FIELD_SENSITIVE.
798 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
800 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
802 * tree-ssa-loop-niter.c (number_of_iterations_ne,
803 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
804 of the ending condition.
805 * tree-ssa-loop-manip.c: Include params.h.
806 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
807 tree_unroll_loop): New functions.
808 * tree-pass.h (pass_loop_prefetch): Declare.
809 * loop.c (rest_of_handle_loop_optimize): Test for
810 -fprefetch-loop-arrays-rtl.
811 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
812 * timevar.def (TV_TREE_PREFETCH): New timevar.
813 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
814 pass_loop_prefetch): New.
815 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
816 (cleanup_tree_cfg_loop): Call scev_reset.
817 * common.opt (fprefetch-loop-arrays-rtl): Add.
818 * tree-ssa-loop-prefetch.c: New file.
819 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
820 (new_temp_expr_table): Initialize expr_vars.
821 (free_temp_expr_table): Cleanup expr_vars.
822 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
823 expressions from being merged into one.
824 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
825 (struct tree_niter_desc): Add control, bound and cmp fields.
826 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
828 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
829 (tree-cfgcleanup.o): Add SCEV_H dependency.
830 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
831 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
833 2006-02-14 Richard Guenther <rguenther@suse.de>
835 PR tree-optimization/26258
836 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
837 in PHI argument processing.
839 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
841 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
842 new expression in the requested machine mode.
844 2006-02-13 Roger Sayle <roger@eyesopen.com>
846 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
847 directly, instead let do_compare_rtx_and_jump handle this for us.
848 * expr.c (expand_expr_real_1): Likewise.
849 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
850 before do_jump_by_parts_greater.
851 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
852 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
854 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
856 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
858 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
860 PR rtl-optimization/26235
861 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
862 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
865 2006-02-13 Jeff Law <law@redhat.com>
867 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
870 2006-02-13 Jakub Jelinek <jakub@redhat.com>
873 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
874 twice if decl is a builtin. When trying again, call get_callee_fndecl
875 first to verify it is still a builtin.
877 2006-02-13 Geoffrey Keating <geoffk@apple.com>
879 * dwarf2out.c (base_type_die): Don't add AT_name here.
880 (subrange_type_die): Don't add AT_name here.
881 (modified_type_die): Rearrange code flow. Do add AT_name here.
883 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
885 PR rtl-optimization/26247
886 PR rtl-optimization/26248
887 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
889 2006-02-13 Richard Sandiford <richard@codesourcery.com>
891 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
892 * config/fixtfdi.c: Likewise.
893 * config/fixunstfdi.c: Likewise.
894 * config/floatditf.c: Likewise.
896 2006-02-13 Roger Sayle <roger@eyesopen.com>
899 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
900 into (X,C2) if C1 is a subset of the bits of C2. Transform
901 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
903 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
905 2006-02-13 Josh Conner <jconner@apple.com>
908 * varasm.c (function_section): Check for section name before
909 calling select_section on targets that define
910 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
911 unlikely_text_section instead of hot_function_section if
912 first_function_block_is_cold.
914 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
917 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
919 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
921 PR rtl-optimization/26222
922 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
923 after tree->rtl expansion.
924 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
925 before passing it to emit_move_insn.
927 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
929 * doc/invoke.texi (-Write-strings): Document that it is enabled by
931 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
932 Clarify documentation.
933 * c-common.h (warn_write_strings): Remove.
934 * c-common.c (warn_write_strings): Likewise.
935 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
938 2006-02-12 Roger Sayle <roger@eyesopen.com>
941 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
942 (do_jump_parts_zero_rtx): New function renamed from
943 do_jump_parts_equality_rtx. Made static. Add a mode argument.
944 (do_jump_parts_equality_rtx): New function split out from
945 do_jump_parts_equality. Old implementation renamed as above.
946 Call do_jump_parts_zero_rtx if either operand is zero.
947 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
948 do all of the heavy lifting.
949 (do_compare_rtx_and_jump): Handle multi-word comparisons by
950 calling either do_jump_by_parts_greater_rtx or
951 do_jump_by_parts_equality_rtx.
952 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
953 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
954 moved to do_compare_rtx_and_jump, call it directly.
955 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
956 mode argument. Call do_compare_rtx_and_jump.
957 (emit_case_nodes): Update calls to do_jump_if_equal.
959 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
961 PR rtl-optimization/26225
962 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
964 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
966 PR rtl-optimization/26232
967 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
969 2006-02-11 Jason Merrill <jason@redhat.com>
972 * tree-inline.c (declare_return_variable): Just don't use the
973 modify target if it's a gimple complex reg and the return slot
976 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
978 * doc/contrib.texi: Update my entry.
980 2006-02-10 Geoffrey Keating <geoffk@apple.com>
982 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
984 2006-02-10 Diego Novillo <dnovillo@redhat.com>
986 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
989 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
991 * doc/invoke.texi (-floop-optimize2): Removed.
992 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
993 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
994 Test flag_branch_on_count_reg only if HAVE_doloop_end.
995 * common.opt (floop-optimize2): Removed.
996 (fmove-loop-invariants): Enabled by default.
998 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1000 * tree-if-conv.c (combine_blocks): Free the result of
1001 get_loop_exit_edges.
1003 2006-02-10 Jeff Law <law@redhat.com>
1005 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1007 PR tree-optimization/26213
1008 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1009 loop trying to follow SSA_NAME_VALUE chains.
1011 2006-02-10 Richard Guenther <rguenther@suse.de>
1013 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1014 deal with structures that end in implicitly variable sized arrays.
1016 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1018 PR rtl-optimization/24762
1019 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1022 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1024 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1025 (struct ivopts_data): Add regs_used field.
1026 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1027 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1028 instead of loop_data->regs_used;
1029 (free_loop_data): Do not free aux fields for loops.
1030 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1031 and tree_ssa_iv_optimize_finalize.
1033 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1035 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1037 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1040 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1041 computing the effective result type.
1043 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1046 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1047 (tree_overlaps_hard_reg_set): Declare.
1048 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1049 type and signature to match function type expected by walk_tree.
1050 (tree_overlaps_hard_reg_set): New function.
1051 (decl_conflicts_with_clobbers_p): Rename to:
1052 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1053 Use tree_overlaps_hard_reg_set. Changed caller.
1054 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1055 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1056 * cris.c (cris_md_asm_clobbers): Likewise.
1058 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1060 * reload1.c (emit_input_reload_insns): Delete code that tries to
1061 inherit using find_equiv_reg.
1063 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1065 * c-common.h (flag_const_strings): Don't declare.
1066 * c-common.c (flag_const_strings): Remove.
1067 * c.opt (fconst_strings): Remove.
1068 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1069 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1070 (c_common_init_options): Don't set flag_const_strings.
1071 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1073 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1075 * arm.md (tlobits_cbranch): New pattern.
1076 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1077 testing a single bit.
1079 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1082 * tree-ssa-pre.c (create_component_ref_by_pieces):
1083 Handle RETURN_DECL like VAR_DECL.
1085 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1088 * fold-const.c (fold_indirect_ref_1): Fold
1089 "*(foo *)&complexfoo" to "__real__ complexfoo"
1090 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1092 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1094 * tree-flow-inline.h (var_can_have_subvars):
1095 Volatile variables should not have subvariables.
1097 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1100 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1101 multiplying unsigned values.
1104 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1106 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1108 2006-02-08 Jason Merrill <jason@redhat.com>
1111 * tree.def: Elaborate on difference from MODIFY_EXPR.
1112 * doc/c-tree.texi (INIT_EXPR): Likewise.
1113 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1114 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1115 (gimplify_target_expr): Likewise.
1116 (gimplify_cond_expr): Remove target handling.
1117 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1118 (gimplify_expr): Clobber it here.
1119 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1120 Do return slot optimization if we have an INIT_EXPR.
1123 * tree-inline.c (declare_return_variable): Also clear
1124 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1127 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1130 * gimplify.c (gimplify_one_sizepos): Fix typo.
1132 2006-02-08 Jeff Law <law@redhat.com>
1134 PR tree-optimization/21417
1135 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1136 across a backedge if the control statement at the end of the
1137 block is data dependent on other statements in the same block.
1138 (record_temporary_equivalences_from_stmts): Remove over-conservative
1139 test for threading across backedges.
1141 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1142 control statement, handle all three special cases in the same
1143 manner as they all have the same desired solution. No longer
1144 special case edge flag updating when the post dominator is
1147 2006-02-08 Roger Sayle <roger@eyesopen.com>
1149 * tree.def (CHAR_TYPE): Remove.
1150 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1151 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1152 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1153 (gen_string_type_die): Delete unreachable function.
1155 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1156 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1157 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1158 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1159 * builtins.c (type_to_class): Likewise.
1160 * fold-const.c (fold_convert, build_range_check,
1161 merge_ranges): Likewise.
1162 * expr.c (count_type_elements): Likewise.
1163 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1164 * stor-layout.c (layout_type): Likewise.
1165 * ipa-type-escape.c (type_to_consider): Likewise.
1166 * gimplify.c (omp_firstprivatize_type_sizes,
1167 gimplify_type_sizes): Likewise.
1168 * explow.c (promote_mode): Likewise.
1169 * tree-sra.c (is_sra_scalar_type): Likewise.
1170 * varasm.c (output_constant): Likewise.
1171 * tree-inline.c (remap_type_1): Likewise.
1172 * convert.c (convert_to_pointer, convert_to_real,
1173 convert_to_integer, convert_to_complex): Likewise.
1175 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1177 * df-scan.c (df_def_record_1): A set destination may
1178 be a parallel regardless of mode.
1180 2006-02-08 Roger Sayle <roger@eyesopen.com>
1183 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1184 * config/mips/_tilib.c: Remove.
1185 * config/fixtfdi.c: New libgcc source file.
1186 * config/fixunstfdi.c: New source file.
1187 * config/floatditf.c: New source file.
1188 * config/floatunditf.c: New souce file.
1189 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1190 files above instead of config/mips/_tilib.c.
1191 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1193 2006-02-08 Jeff Law <law@redhat.com>
1195 PR tree-optimization/26169
1196 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1199 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1201 * df.h (DF_REG_SIZE): Return the length of the initialized
1204 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1206 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1207 __muldf3): Return a correctly signed zero.
1209 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1211 * passes.c (register_one_dump_file): Accept the current properties
1212 instead of pass number. Adjust call to dump_register. Remove
1214 (register_dump_files): Now a wrapper around...
1215 (register_dump_files_1): ... this one. Do not modify the pass
1217 (next_pass_1): Cosmetic fix.
1218 (execute_todo): Keep second parameter only. Use curr_properties
1219 instead of fetching it from the pass structure. Check and set
1221 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1222 instead of fetching it from the pass structure. Fix calls to
1223 execute_todo. Update curr_properties and initialize .vcg RTL dump
1224 after running the pass. Reset last_verified.
1225 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1227 (FIRST_AUTO_NUMBERED_DUMP): New.
1228 (dump_register): Remove "num" parameter, assign it within the
1230 (get_dump_file_name): Modify template for dumps.
1231 * tree-dump.h (dump_register): Adjust prototype.
1232 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1233 (PROP_trees): Add PROP_gimple_lomp.
1234 (TODO_set_props): New.
1235 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1236 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1237 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1239 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1241 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1242 (sparc64-*-linux*): Likewise.
1243 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1244 * config/sparc/t-linux: New file.
1245 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1246 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1247 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1248 -m32 -mlong-double-128.
1250 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1251 * config/alpha/t-linux: New file.
1252 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1254 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1255 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1256 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1257 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1258 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1259 (CPP_ARCH32_SPEC): Remove.
1261 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1263 PR tree-optimization/26145
1264 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1267 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1270 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1271 >= 240000 when generating code for SOM runtime.
1272 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1273 to $$dyncall when generating code for SOM runtime..
1275 2006-02-07 Dirk Mueller <dmueller@suse.com>
1278 * doc/invoke.texi (-Wsequence-point): Update documentation
1279 that -Wsequence-point is implemented for C++ as well.
1281 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1283 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1284 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1285 (LIB_SPEC): Likewise.
1286 * doc/invoke.texi (SPARC options): Document -pthread.
1288 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1290 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1293 2006-02-07 Roger Sayle <roger@eyesopen.com>
1295 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1296 Correct comment describing BOOLEAN_TYPE.
1298 2006-02-07 Dirk Mueller <dmueller@suse.com>
1300 * c.opt: C++ frontend supports -Wdiv-by-zero.
1301 * c-opts.c (c_common_handle_option): Remove dead case.
1303 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1305 * configure.ac (TLS assembler check): Do not enable TLS by
1306 default on SPARC/Solaris before version 10.
1307 * configure: Regenerate.
1309 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1311 * doc/invoke.texi (xl-compat): Document conversion and support
1314 2006-02-07 Jeff Law <law@redhat.com>
1316 * tree-vrp.c (find_conditional_asserts): Update comments.
1317 (simplify_stmt_for_jump_threading): New.
1318 (identify_jump_threads, finalize_jump_threads): New.
1319 (vrp_finalize): Call identify_jump_threads.
1320 (execute_vrp): Call finalize_jump_threads.
1321 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1322 (vrp_element, vrp_data, vrp_element_p): Remove.
1323 (vrp_hash_elt, vrp_variables_stack): Remove.
1324 (vrp_hash, vrp_eq, record_range): Remove.
1325 (simplify_cond_and_lookup_avail_expr): Remove.
1326 (extract_range_from_cond): Remove.
1327 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1328 (simplify_stmt_for_jump_threading): New.
1329 (dom_thread_across_edge): New wrapper.
1330 (tree_ssa_dominator_optimize): No longer initialize or
1331 finalize any of the VRP datastructures. Remove iteration
1332 step and simplify as a result of removal of iteration step.
1333 (pass_dominator): Perform a cfg cleanup after DOM.
1334 (dom_opt_finalize_block): Use the new common routines
1335 for threading jumps. Simplify stack management slightly.
1336 No longer need to unwind VRP state.
1337 (record_equivalences_from_incoming_edge): No longer record
1339 (eliminate_redundant_computations): No longer call
1340 simplify_cond_and_lookup_avail_expr.
1341 * tree-flow.h (potentially_threadable_block): Prototype.
1342 (thread_across_edge): Likewise.
1343 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1344 (tree-ssa-threadedge.o): Add dependencies.
1345 * tree-ssa-threadedge.c: New file.
1346 * passes.c (init_optimization_passes): Merge PHIs before
1347 calling VRP. Run VRP again late in the SSA optimization pipeline.
1349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1351 * df-core.c (df_set_blocks): Do not dereference function pointers.
1352 (df_finish1): Likewise.
1353 (df_hybrid_search_forward): Likewise.
1354 (df_hybrid_search_backward): Likewise.
1355 (df_iterative_dataflow): Likewise.
1356 (df_analyze_problem): Likewise.
1357 (df_compact_blocks): Likewise.
1358 (df_dump): Likewise.
1359 * df-scan.c (df_rescan_blocks): Likewise.
1360 (df_record_entry_block_defs): Likewise.
1362 * genconditions.c (write_conditions): Guard the definition of
1363 'insn_conditions' with the check on GCC version.
1364 (write_writer): Guard the traversal 'insn_conditions' with
1365 the check on GCC version.
1367 2006-02-07 Richard Guenther <rguenther@suse.de>
1371 2006-01-30 Richard Guenther <rguenther@suse.de>
1373 * gimplify.c (gimplify_target_expr): Handle easy cases
1374 without creating a temporary.
1376 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1378 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1379 use of float in probability computations. Use edge probabilities
1380 in place of statically computed probabilities.
1381 (min_spec_prob): New static variable.
1382 (schedule_insns): Initialize it.
1383 (GET_SRC_PROB): Removed.
1384 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1386 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1389 * config/ia64/unwind-ia64.c: Revert last change.
1390 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1391 (INCOMING_FRAME_SP_OFFSET): Define.
1393 2006-02-06 Roger Sayle <roger@eyesopen.com>
1395 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1397 2006-02-07 Ben Elliston <bje@au.ibm.com>
1399 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1400 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1401 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1402 (ix86_return_in_memory): Handle TDmode.
1403 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1404 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1406 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1408 * reorg.c (dbr_schedule): Use dump_file instead of file.
1410 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1413 * config/ia64/predicates.md (extr_len_operand): New predicate.
1414 * config/ia64/ia64.md (extv): Tighten constraints.
1416 (*tbit_and_2): Ditto.
1417 (*tbit_and_3): Ditto.
1418 (*tbit_or_2): Ditto.
1419 (*tbit_or_3): Ditto.
1423 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1426 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1428 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1430 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1431 loop_optimizer_init and loop_optimizer_finalize
1432 * tree-ssa-sink.c (execute_sink_code): Ditto.
1433 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1434 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1435 tree_ssa_loop_done): Ditto.
1436 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1437 * sched-ebb.c: Include output.h.
1438 (schedule_ebbs): Do not use dump argument.
1439 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1440 * loop.c (loop_dump_stream): Removed.
1441 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1443 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1444 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1445 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1446 loop_iterations, strength_reduce, record_biv, record_giv,
1447 final_giv_value, check_final_value, check_ext_dependent_givs,
1448 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1449 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1450 dump_file instead of loop_dump_stream.
1451 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1453 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1455 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1456 * haifa-sched.c: Include output.h
1457 (schedule_insns, sched_init): Do not use dump argument.
1458 * mode-switching.c (optimize_mode_switching): Ditto.
1459 * modulo-sched.c (stats_file): Removed.
1460 (print_node_sched_params): Do not call argument dump_file.
1461 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1462 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1464 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1466 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1467 rtl_loop_init, rtl_loop_done): Ditto.
1468 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1469 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1471 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1472 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1473 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1474 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1475 * emit-rtl.c (renumber_insns): Ditto.
1476 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1477 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1478 * regclass.c (regclass): Ditto.
1479 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1480 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1481 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1482 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1484 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1485 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1487 * gcse.c (gcse_file, debug_stderr): Removed.
1488 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1489 rest_of_handle_gcse): Do not use dump argument.
1490 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1491 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1492 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1493 compute_code_hoist_vbeinout, compute_code_hoist_data,
1494 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1495 compute_store_table, build_store_vectors, insert_insn_start_bb,
1496 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1497 store_motion): Use dump_file instead of gcse_file.
1498 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1499 * profile.c (profile_dump_file): Removed.
1500 (branch_prob): Use dump_file instead of profile_dump_file.
1501 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1503 * tree-ssa-copy.c (dump_copy_of): Ditto.
1504 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1505 dump file to life_analysis.
1506 * bt-load.c (branch_target_load_optimize): Ditto.
1507 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1509 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1510 regclass, dbr_schedule): Declaration changed.
1511 * sched-int.h (sched_init): Declaration changed.
1512 * tree-profile.c (tree_profile_dump_file): Removed.
1513 (tree_profile_hooks): Removed profile_dump_file hook.
1514 * rtl-profile (rtl_profile_dump_file): Removed.
1515 (rtl_profile_hooks): emoved profile_dump_file hook.
1516 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1518 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1519 * tree-cfg.c (build_tree_cfg): Ditto.
1520 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1521 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1522 Declaration changed.
1523 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1524 life_analysis and schedule_insns.
1525 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1527 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1529 * config/mips/mips.c (mips_reorg): Ditto.
1530 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1533 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1535 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1536 (s390_mangle_fundamental_type): New.
1537 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1540 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1541 (alpha_mangle_fundamental_type): New.
1542 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1545 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1547 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1549 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1550 (sparc_mangle_fundamental_type): New.
1552 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1554 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1555 (s390x-*-linux*): Likewise.
1556 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1557 * config/s390/t-linux: New file.
1559 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1561 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1562 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1564 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1566 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1567 (ANTIC_SAFE_LOADS): New macro.
1568 (find_or_generate_expression): Add prototype.
1569 (set_contains_value): Allow null set for sake of not always having
1570 to allocate ANTIC_SAFE_LOADS.
1571 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1572 Allow COMPONENT_REF too.
1573 (valid_in_set): Allow COMPONENT_REF.
1574 Check ANTIC_SAFE_LOADS too.
1575 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1576 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1578 (can_PRE_operation): Add COMPONENT_REF.
1579 (create_component_ref_by_pieces): New function.
1580 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1581 (insert_aux): Move AGGREGATE_TYPE_P check here.
1582 (compute_avail): Set bb local stmt uids.
1583 (pass_pre): Use TODO_update_ssa_only_virtuals.
1585 2006-02-06 Ben Elliston <bje@au.ibm.com>
1587 * configure.ac: Unconditionally disable decimal float by default.
1588 * configure: Regenerate.
1590 2006-02-06 Ben Elliston <bje@au.ibm.com>
1592 * read-rtl.c (read_name): Terminate reading on EOF.
1594 2006-02-06 Ben Elliston <bje@au.ibm.com>
1596 * dfp.c (decimal_real_arithmetic): Change second argument type
1597 from int to enum tree_code. Do not always return true, but now
1598 return result of any call to decimal_do helper functions.
1599 * dfp.h (decimal_real_arithmetic): Update prototype.
1601 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1603 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1605 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1608 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1611 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1613 * tree-vrp.c (cfg_loops): Removed.
1614 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1615 Use current_loops instead of cfg_loops. Pass flags to
1616 loop_optimizer_init.
1617 * cfgloopmanip.c (fix_loop_structure): Update only available
1619 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1620 loop_optimizer_init.
1621 * modulo-sched.c (build_loops_structure): Removed.
1622 (sms_schedule): Use loop_optimizer_init.
1623 * loop-init.c (loop_optimizer_init): Use flags to determine
1624 which properties of loops to prepare.
1625 (rtl_loop_init): Pass flags to loop_optimizer_init.
1626 * tree-ssa-sink.c (execute_sink_code): Ditto.
1627 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1628 * tree-ssa-pre.c (init_pre): Ditto.
1629 * cfgloop.h (LOOPS_NORMAL): New.
1630 (loop_optimizer_init): Declaration changed.
1632 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1634 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1635 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1637 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1639 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1641 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1642 * pa/t-pa64: Delete quadlib.c rule.
1643 * pa/x-ada: Revert last change.
1644 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1646 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1648 PR rtl-optimization/26087
1649 * rtlanal.c (canonicalize_condition): Do not cross basic block
1652 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1655 * config/ia64/ia64.c: Include debug.h.
1656 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1657 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1658 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1659 (process_epilogue, process_set, process_for_unwind_directive):
1660 Output unwind info only if requested. Add CFA info if requested.
1661 Add new arguments as needed. Adjust callers.
1662 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1664 (DWARF2_FRAME_INFO): Define to zero.
1665 * config/ia64/unwind-ia64.c: Remove code that compensated for
1666 the CFA offset error fixed above.
1667 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1668 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1669 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1670 -funwind-tables and -fexceptions to enable frame info.
1671 (dwarf2out_frame_init): Define initial CFA even if
1672 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1673 DWARF2_UNWIND_INFO is nonzero, not just defined.
1674 (dwarf2out_frame_finish): Output non-EH call frame info only
1675 if DWARF2_FRAME_INFO is nonzero.
1676 (convert_cfa_to_loc_list,
1677 compute_frame_pointer_to_cfa_displacement): Define even if
1678 unwind info is not supported.
1679 (gen_subprogram_die): Use the above unconditionally. Remove
1680 legacy alternate code.
1681 * toplev.c (compile_file): Compile in call to
1682 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1683 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1685 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1686 Jakub Jelinek <jakub@redhat.com>
1688 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1689 IBM extended float format long double as "g" on powerpc*-linux.
1691 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1694 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1695 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1697 2006-02-03 Jason Merrill <jason@redhat.com>
1700 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1703 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1704 on the return slot if it's an NRV.
1706 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1708 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1709 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1710 rewrite_use): Do not handle USE_OUTER.
1711 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1712 add_iv_outer_candidates, may_replace_final_value,
1713 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1714 (find_interesting_uses_op): Functionality of
1715 find_interesting_uses_outer_or_nonlin moved here.
1716 (find_interesting_uses_outside): Use find_interesting_uses_op.
1718 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1721 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1723 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1724 Ulrich Weigand <uweigand@de.ibm.com>
1727 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1728 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1729 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1730 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1732 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1733 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1734 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1735 Define secondary reloads for TFmode moves.
1736 (constant_modes): Add TFmode.
1737 (NR_C_MODES): Set to 8.
1738 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1740 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1741 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1742 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1743 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1744 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1745 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1746 (FPR mode macro): Add TFmode.
1747 (DSF mode macro): New.
1748 (<de>, <dee> mode attributes): Removed.
1749 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1750 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1751 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1752 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1753 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1754 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1755 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1756 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1757 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1758 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1759 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1760 "*negabs<mode>2", "sqrt<mode>2"):
1761 Changed <de> to <xde>. R constraint replaced by <Rf>.
1762 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1764 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1765 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1766 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1768 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1769 "extenddftf2", "extendsftf2"): New expanders.
1770 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1771 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1772 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1773 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1775 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1776 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1777 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1778 __floatditf): Add a GCC_4.1.0 symbol version tag.
1779 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1782 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1785 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1786 Use targetm.binds_local_p instead of TREE_PUBLIC.
1788 2006-02-02 Roger Sayle <roger@eyesopen.com>
1790 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1791 on INTEGER_TYPEs to indicate that it denotes a character type.
1792 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1793 signed_char_type_node, unsigned_char_type_node and char_type_node.
1794 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1795 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1796 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1798 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1799 Daniel Berlin <dberlin@dberlin.org>
1801 * tree-tailcall.c (arg_needs_copy_p): New function.
1802 (eliminate_tail_call): Use arg_needs_copy_p.
1803 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1804 (add_virtual_phis): New function.
1806 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1808 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1809 #ignore instead of #scratch for %g7 .register directive.
1811 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1813 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1816 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1818 * flow.c (calculate_global_regs_live): Assert that there aren't any
1821 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1823 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1825 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1826 bsi_after_labels iterator.
1827 * tree-if-conv.c (find_phi_replacement_condition,
1828 replace_phi_with_cond_modify_expr): Likewise.
1829 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1830 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1832 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1834 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1836 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1839 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1840 array after growing it.
1842 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1845 * fold-const.c (fold_checksum_tree): Change type of buf.
1847 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1849 * reload.c (push_secondary_reload): Initialize t_icode.
1851 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1853 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1854 -msoft-float -mlong-double-128 only issue a warning, but don't
1855 swich to DFmode long double.
1857 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1859 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1860 has a constant equivalent, iterate over equivalents for arg0,
1861 calling simplify_relational_operation and if there's a result
1862 cheaper than X, apply fold_rtx and return the result.
1864 2006-02-01 Jan Hubicka <jh@suse.cz>
1866 * opts.c (no_unit_at_a_time_default): New global variable.
1867 (decode_options): Use it.
1868 * opts.h (no_unit_at_a_time_default): Declare.
1870 2006-02-01 Paul Brook <paul@codesourcery.com>
1872 * function.c (assign_parm_setup_reg): Use function argument promotion
1874 * expr.c (expand_expr_real_1): Use function argument promotion rules
1877 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1879 * gcc.c (process_command): Change j to 'unsigned int'.
1881 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1884 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1885 Use the corrected index for the character
1886 out of the string constant.
1888 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1890 * mode-switching.c (optimize_mode_switching): Fix size
1891 allocated for bb_info[n_entities].
1893 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1895 * gcc.c (main): Correct type that is allocated for
1896 explicit_link_files.
1898 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1900 * config/s390/s390.c (init_alignment_context): Set
1901 ALIAS_SET_MEMORY_BARRIER on the MEM.
1902 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1904 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1907 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1909 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1912 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1914 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1915 * regrename.c: Ditto.
1916 * tree-ssa-loop-im.c: Ditto.
1917 * tree-dump.c: Ditto.
1918 * tree-complex.c: Ditto.
1919 * genrecog.c: Ditto.
1920 * tree-ssa-threadupdate.c: Ditto.
1922 * java/class.c: Ditto.
1923 * java/jcf-parse.c: Ditto.
1924 * java/resource.c: Ditto.
1925 * java/except.c: Ditto.
1926 * java/jvspec.c: Ditto.
1927 * java/jcf-write.c: Ditto.
1928 * java/jcf-path.c: Ditto.
1929 * java/gjavah.c: Ditto.
1930 * java/zextract.c: Ditto.
1931 * java/jcf-io.c: Ditto.
1932 * java/jcf.h: Ditto.
1933 * java/buffer.c: Ditto.
1934 * java/lang.c: Ditto.
1935 * java/parse-scan.y: Ditto.
1936 * java/lex.c: Ditto.
1937 * java/lex.h: Ditto.
1938 * cfgloopmanip.c: Ditto.
1939 * postreload-gcse.c: Ditto.
1940 * tree-ssa-loop-manip.c: Ditto.
1941 * postreload.c: Ditto.
1942 * tree-ssa-loop-ch.c: Ditto.
1946 * diagnostic.c: Ditto.
1948 * genoutput.c: Ditto.
1950 * cfghooks.c: Ditto.
1951 * cfgloopanal.c: Ditto.
1952 * objc/objc-act.c: Ditto.
1954 * genextract.c: Ditto.
1955 * genautomata.c: Ditto.
1956 * pretty-print.c: Ditto.
1958 * cgraphunit.c: Ditto.
1961 * haifa-sched.c: Ditto.
1962 * dominance.c: Ditto.
1964 * tree-ssa-loop-ivopts.c: Ditto.
1966 * mode-switching.c: Ditto.
1967 * modulo-sched.c: Ditto.
1969 * ipa-pure-const.c: Ditto.
1971 * fix-header.c: Ditto.
1973 * tree-stdarg.c: Ditto.
1974 * ipa-utils.c: Ditto.
1975 * loop-init.c: Ditto.
1976 * ipa-inline.c: Ditto.
1979 * alloc-pool.c: Ditto.
1980 * dwarf2out.c: Ditto.
1982 * genattrtab.c: Ditto.
1983 * tree-ssa-loop-ivcanon.c: Ditto.
1987 * fortran/gfortranspec.c: Ditto.
1989 * local-alloc.c: Ditto.
1990 * langhooks.c: Ditto.
1991 * function.c: Ditto.
1992 * tree-vectorizer.c: Ditto.
1994 * ipa-type-escape.c: Ditto.
1996 * tree-if-conv.c: Ditto.
1999 * tree-data-ref.c: Ditto.
2000 * loop-unroll.c: Ditto.
2001 * treelang/treetree.c: Ditto.
2004 * ggc-common.c: Ditto.
2006 * coverage.c: Ditto.
2008 * tree-cfgcleanup.c: Ditto.
2009 * tree-ssa-pre.c: Ditto.
2010 * cfgcleanup.c: Ditto.
2011 * loop-invariant.c: Ditto.
2013 * ipa-prop.c: Ditto.
2014 * print-tree.c: Ditto.
2015 * conflict.c: Ditto.
2016 * ggc-page.c: Ditto.
2017 * sched-deps.c: Ditto.
2018 * regclass.c: Ditto.
2019 * tree-object-size.c: Ditto.
2021 * bb-reorder.c: Ditto.
2022 * resource.c: Ditto.
2023 * var-tracking.c: Ditto.
2025 * df-problems.c: Ditto.
2026 * reg-stack.c: Ditto.
2029 * sched-rgn.c: Ditto.
2030 * tree-ssa-structalias.c: Ditto.
2031 * tree-ssa-reassoc.c: Ditto.
2032 * config/darwin-c.c: Ditto.
2033 * config/darwin.c: Ditto.
2034 * config/arm/arm.c: Ditto.
2036 * collect2.c: Ditto.
2039 2006-01-31 Nicolas Pitre <nico@cam.org>
2041 * arm.md (smaxsi3): Make aware of smax_m1.
2044 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2046 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2048 2006-01-31 Richard Guenther <rguenther@suse.de>
2050 * doc/invoke.texi (-msselibm): Document.
2051 * target.h (expand_library_builtin): New target hook.
2052 * builtins.c (expand_builtin): Use expand_library_builtin.
2053 (default_expand_library_builtin): New function.
2054 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2055 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2056 (link_gcc_math_spec): Declare.
2057 (static_specs): Add link_gcc_math_spec.
2058 * expr.h (default_expand_library_builtin): Declare.
2059 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2060 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2061 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2062 * config/i386/i386.opt (msselibm): New target option.
2063 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2064 (ix86_init_sse_abi_builtins): New function.
2065 (ix86_expand_library_builtin): Likewise.
2066 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2067 (override_options): Handle error conditions wrt -msselibm.
2068 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2069 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2070 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2073 2006-01-31 Richard Guenther <rguenther@suse.de>
2074 Paolo Bonzini <bonzini@gnu.org>
2076 * doc/install.texi (--disable-libgcc-math): Document.
2078 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2080 * expr.h (expand_normal): new inline function.
2081 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2083 * dwarf2out.c: use it.
2088 * config/sparc/sparc.c: use it.
2089 * config/i386/i386.c: use it.
2090 * config/rs6000/rs6000.c: use it.
2091 * config/arm/arm.c: use it.
2092 * config/mips/mips.c: use it.
2093 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2095 2006-01-30 Roger Sayle <roger@eyesopen.com>
2097 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2098 argv to the appropriate type.
2100 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2102 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2105 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2108 * config/s390/s390.c (struct machine_function): New flag
2109 decomposed_literal_pool_addresses_ok_p.
2110 (s390_reorg): Set it before final stage of literal pool transforms.
2111 (s390_decompose_address): Only accept displacements of the form
2112 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2114 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2116 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2117 the comparison routine return.
2119 2006-01-30 Michael Matz <matz@suse.de>
2121 * global.c (find_reg): Only evict for global regs.
2122 Take n_refs into account and dump more info.
2124 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2127 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2128 (pragma_trap, pragma_nosave_low_regs): Likewise.
2129 (current_function_anonymous_args): Likewise.
2130 (sh_deferred_function_attributes): New variable.
2131 (sh_deferred_function_attributes_tail): Likewise.
2132 (print_operand): For '@', look up trap_exit attribute.
2133 (calc_live_regs): Look up trapa_handler attribute. For trapa
2134 handlers, save/restore fpscr, but don't do any other
2135 interrupt-specific saves.
2136 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2137 Fix check for partially saved registers to check for SHmedia.
2138 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2139 (sh_output_function_epilogue): Don't clear any of the removed
2141 (sh_insert_attributes): Don't check pragma_interrupt.
2142 Insert deferred attributes. Check that interrupt attribute is
2143 present for other attributes that require its presence.
2144 (sh_attribute_table): Add new attributes trapa_handler and
2146 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2147 Don't check for pragma_interrupt. Don't store argument.
2148 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2149 (sh_deferred_function_attributes): Declare.
2150 (sh_deferred_function_attributes_tail): Likewise.
2151 * sh.md (sp_switch_1): Add operand. Change generator caller.
2152 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2153 (*return_i): Don't use when trap_exit attribute is in effect.
2154 (*return_trapa): New insn pattern.
2156 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2157 setting c_target_objs and cxx_target_objs.
2158 * t-sh: Add rule for sh-c.o.
2160 2006-01-30 Richard Guenther <rguenther@suse.de>
2163 * gimplify.c (gimplify_target_expr): Handle easy cases
2164 without creating a temporary.
2166 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2168 * vec.h (safe_grow): Remove duplicated line.
2170 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2173 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2174 (expand_omp): ... here.
2175 (expand_omp_parallel): Only remove barriers for combined
2176 parallel+workshare constructs.
2178 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2182 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2183 * tree.c (build_qualified_type): Chain the new type to the original
2184 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2185 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2186 (build_pointer_type_for_mode): Only return unqualified types.
2187 (build_reference_type_for_mode): Likewise.
2189 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2191 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2192 * Makefile.in (CXX_COMPAT_WARN): Define.
2193 * configure: Regenerate.
2195 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2198 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2201 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2203 * toplev.c: Fix thinko.
2205 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2206 Marcin Dalecki <martin@dalecki.de>
2208 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2209 (push_srcloc): Use XNEW.
2210 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2212 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2214 * df-core.c (df_set_blocks): Deleted all variable.
2216 2006-01-28 Ian Lance Taylor <ian@airs.com>
2218 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2219 cgraph_output_pending_asms.
2221 2006-01-28 Zack Weinberg <zackw@panix.com>
2223 * c.opt: Add -W(no-)overlength-strings.
2224 * doc/invoke.texi: Document it.
2225 * c-opts.c (c_common_handle_option): -pedantic implies
2226 -Woverlength-strings, if not explicitly disabled already.
2227 (c_common_post_options): -Woverlength-strings defaults to off, and
2228 is always off for C++.
2229 * c-common.c (fix_string_type): Issue warning about strings longer
2230 than is portable only if warn_overlength_strings. Rearrange code
2231 a little for clarity.
2232 * configure.in: Check for -Wno-overlength-strings as well before
2233 enabling -pedantic in stage 1.
2234 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2235 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2237 * genconditions.c (write_header, write_one_condition)
2238 (write_conditions, write_writer): Consolidate very long strings
2239 that were broken up to fit in C89 portable limit. Don't use
2240 printf when fputs will do.
2242 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2244 * combine.c (simplify_comparison <AND>): Check
2245 TRULY_NOOP_TRUNCATION before start using a subreg.
2247 * config/mips/mips.md (*branch_zero<mode>,
2248 *branch_zero<mode>_inverted, *branch_equality<mode>,
2249 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2250 Remove mode check from comparisons.
2252 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2254 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2256 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2258 * expmed.c (const_mult_add_overflow_p): Remove.
2259 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2261 * recog.c (validate_replace_rtx_subexp): Remove.
2262 * recog.h: Remove the prototype for
2263 validate_replace_rtx_subexp.
2265 * integrate.h: Remove the prototype for
2266 copy_decl_for_inlining.
2267 * rtl.h: Remove the prototype for mark_constant_function.
2268 * tree-vectorizer.h: Remove the prototype for
2269 vect_strip_conversion.
2271 * modulo-sched.c (create_partial_schedule,
2272 free_partial_schedule, reset_partial_schedule): Make them
2275 * hooks.c (hook_bool_rtx_int_false): Remove.
2276 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2278 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2280 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2281 and -mlong-double-128 are incompatible.
2282 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2283 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2284 (TARGET_LIBGCC2_CFLAGS): Define.
2285 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2286 (TARGET_LIBGCC2_CFLAGS): Same.
2287 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2289 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2292 * c-typeck.c (build_binary_op): Perform implicit casts of
2293 operands before shortening them.
2295 * cfgloopmanip.c (split_loop_bb): Remove.
2296 * cfgloop.h: Remove the prototype for split_loop_bb.
2298 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2299 * cfgloop.h: Remove the prototype for
2300 flow_loop_outside_edge_p.
2302 * emit-rtl.c (init_virtual_regs): Make it static.
2303 * function.h: Remove the prototype for init_virtual_regs.
2305 * recog.c (peephole2_optimize): Make it static.
2306 * recog.h: Remove the prototype for peephole2_optimize.
2308 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2310 * df-scan.c (df_record_entry_block_defs): Check if
2311 INCOMING_RETURN_ADDR_RTX is defined.
2313 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2314 Kenneth Zadeck <zadeck@naturalbridge.com>
2316 PR rtl-optimization/24762
2317 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2318 * targhooks.c (hook_void_bitmap): New hook prototype.
2319 * targhoohs.h (hook_void_bitmap): Ditto.
2320 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2321 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2322 * target.h (live_on_entry): New function pointer.
2323 * df-scan.c (df_all_hard_regs): Removed.
2324 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2325 (df_scan_free_internal): Added df->entry_block_defs.
2326 (df_scan_alloc): Ditto.
2327 (df_scan_dump): Ditto.
2328 (df_uses_record): Plumbed flag field properly thru calls.
2329 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2330 This part fixes PR24762.
2331 (df_bb_refs_record): Added code to make the frame and arg
2332 pointers live in EH blocks.
2333 (df_refs_record): Added call to df_record_entry_block_defs.
2334 (df_record_entry_block_defs): New function.
2335 * df-core.c: Added comments to describe new artifical defs.
2336 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2337 (entry_block_defs): New field in struct df.
2338 (df_all_hard_regs): Deleted.
2339 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2340 * df-problems.c (df_ru_bb_local_compute_process_def):
2341 Added code to handle artifical defs in the entry to a function.
2342 (df_ru_bb_local_compute): Ditto.
2343 (df_rd_bb_local_compute_process_def): Ditto.
2344 (df_rd_bb_local_compute): Ditto.
2345 (df_lr_bb_local_compute): Ditto.
2346 (df_ur_bb_local_compute): Ditto.
2347 (df_urec_bb_local_compute): Ditto.
2348 (df_chain_create_bb): Ditto.
2349 (df_ur_local_finalize): Removed entry.
2350 (df_urec_init): Ditto.
2351 (df_urec_local_finalize): Ditto.
2352 (df_ri_bb_compute): Added detection of last use of pseudos.
2353 * Makefile.in (df-scan.o): Updated dependencies.
2354 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2355 * config/mips/mips.c (mips_set_live_on_entry): Added.
2356 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2358 * dce.c (marked_insn_p): Added code to handle artifical defs.
2360 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2362 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2364 (_mm_cvtsi128_si64): Likewise.
2365 (_mm_cvtsd_si64): Likewise.
2366 (_mm_cvttsd_si64): Likewise.
2367 (_mm_cvtsi64_sd): Likewise.
2368 (_mm_cvtsi64_si128): Likewise.
2369 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2370 (_mm_cvtsi64_m64): Likewise.
2371 (_m_to_int64): Likewise.
2372 (_mm_cvtm64_si64): Likewise.
2373 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2374 (_mm_cvttss_si64): Likewise.
2375 (_mm_cvtsi64_ss): Likewise.
2376 (_mm_cvtss_f32): Likewise.
2378 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2380 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2381 for pragma redefine_extname.
2383 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2386 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2387 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2388 -mno-minimal-toc to previous content.
2389 (bispecs): Remove goal.
2390 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2391 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2392 compatibility aliases on powerpc-*-*gnu*.
2393 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2394 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2395 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2396 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2397 (ldblspecs): New goal.
2398 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2399 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2401 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2402 L_sf_to_tf or L_df_to_tf is defined.
2404 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2405 Alan Modra <amodra@bigpond.net.au>
2408 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2409 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2410 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2411 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2412 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2413 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2414 (rs6000_override_options): Initialize rs6000_ieeequad.
2415 Initialize TFmode format to ibm_extended_format if not
2417 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2419 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2420 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2421 (function_arg_advance): IBM long double passed in two FPRs, not
2423 (function_arg): IBM long double passed in FPRs.
2424 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2425 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2426 Only multireg GPR aligned.
2427 (rs6000_init_libfuncs): Enable IBM long double functions if not
2429 (rs6000_generate_compare): Use IBM long double compare if not
2431 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2432 (TARGET_IEEEQUAD): Define.
2433 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2434 not TARGET_IEEEQUAD.
2435 * config/rs6000/rs6000.md: Enable TFmode patterns if
2437 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2438 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2439 and -mlong-double-128 are incompatible.
2440 * doc/invoke.texi (-mabi): Collect options together. Add
2441 ibmlongdouble and ieeelongdouble.
2443 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2445 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2447 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2448 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2449 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2450 * rtl.h (rtunion_def): Remove rt_ptr.
2452 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2453 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2454 * config/i386/winnt.c (i386_pe_mark_dllexport)
2455 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2457 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2459 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2461 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2465 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2466 pthread_key_delete. From John David Anglin. gthrw-ify
2467 pthread_getunique_np only if it it's not a macro. Delete
2469 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2470 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2471 __gthread_objc_condition_signal, __gthread_key_delete): Add
2472 "__attribute__ ((__unused__))" to unused arguments.
2473 (__gthread_recursive_mutex_init_function): Add missing return.
2474 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2475 gthr-posix95.h: Use macro-based approach for name redirection
2476 on targets missing weakref.
2478 2006-01-26 Zack Weinberg <zackw@panix.com>
2480 * genconditions.c (write_header): In generated code, #ifdef out
2481 all includes and fake declarations, except includes of bconfig.h
2482 and system.h, unless GCC_VERSION >= 3001. Do not include
2483 gensupport.h in any case.
2484 (write_conditions): Generate a definition of struct c_test. Add
2485 a comment to the generated #endif.
2486 (write_one_condition): Escape backslashes in string too.
2487 (write_writer): Generated code must escape backslashes and quote
2488 marks (but not newlines) in the strings it writes.
2489 * Makefile.in (build/gencondmd.o): Update dependencies.
2491 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2494 * Makefile.in (insn-automata.o): Add header file dependencies.
2495 * genautomata.c: Add includes.
2497 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2500 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2502 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2504 * configure.ac: Expect target tools paths to be passed from the toplevel
2505 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2507 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2509 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2512 * c.opt (Wpointer-sign): Init to -1.
2513 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2514 OPT_pedantic, to 0 otherwise.
2515 * doc/invoke.texi: Update.
2517 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2519 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2520 constants provided by 80387 instructions in the destination mode.
2522 2006-01-26 Richard Guenther <rguenther@suse.de>
2523 Andrew Pinski <pinskia@physics.uc.edu>
2526 partial PR tree-opt/17064
2527 * tree-ssa-structalias.c (intra_create_variable_infos):
2528 Create heap variables for incoming parameters if
2529 flag_argument_noalias > 1.
2530 (find_what_p_points_to): Look through default defs of
2533 2006-01-26 Jeff Law <law@redhat.com>
2536 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2537 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2538 within the VR_RANGE, use the VR_RANGE as the result, not the
2540 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2541 bounds for the type.
2543 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2545 * tree-ssa-alias.c (maybe_create_global_var): Change
2546 subvar walking to an assertion that we don't have subvar'd variables.
2548 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2551 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2552 Use a new variable, inner. PARM_DECLs are always non-weak.
2554 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2556 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2559 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2561 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2563 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2565 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2566 (smax_insn, smin_insn, smax_0, smin_0): New.
2568 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2571 * config/cris/cris.c (cris_order_for_addsi3): New function.
2572 * config/cris/cris-protos.h: Prototype it.
2573 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2574 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2575 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2576 (split for "op.S1 [rx=rx+i],ry (swapped)")
2577 (split for "op(s|u).S1 [rx=rx+i],ry")
2578 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2579 Apply cris_order_for_addsi3 when generating addsi3 insns.
2581 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2583 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2584 (TREE_BLOCK): Add call to EXPR_CHECK.
2586 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2589 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2590 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2591 (dump_omp_clauses): ... here.
2592 (dump_generic_node): Handle OMP_CLAUSE.
2593 * tree.c (omp_clause_num_ops): New.
2594 (omp_clause_code_name): New.
2595 (tree_code_size): Handle OMP_CLAUSE.
2596 (tree_size): Likewise.
2597 (make_node): Document handling of OMP_CLAUSE.
2598 (tree_node_structure): Handle OMP_CLAUSE.
2599 (omp_clause_check_failed): New.
2600 (omp_clause_range_check_failed): New.
2601 (omp_clause_operand_check_failed): New.
2602 (build_omp_clause): New.
2603 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2604 * tree.h (enum omp_clause_code): Declare.
2605 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2606 (OMP_CLAUSE_RANGE_CHECK): Define.
2607 (OMP_CLAUSE_ELT_CHECK): Define.
2608 (omp_clause_check_failed): Declare.
2609 (omp_clause_operand_check_failed): Declare.
2610 (omp_clause_range_check_failed): Declare.
2611 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2612 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2613 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2614 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2615 (OMP_CLAUSE_IF_EXPR): Likewise.
2616 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2617 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2618 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2619 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2620 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2621 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2622 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2623 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2624 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2625 (OMP_CLAUSE_CODE): Define.
2626 (OMP_CLAUSE_SET_CODE): Define.
2627 (OMP_CLAUSE_CODE): Define.
2628 (OMP_CLAUSE_OPERAND): Define.
2629 (struct tree_omp_clause): Declare.
2630 (union tree_node): Add field 'omp_clause'.
2631 * treestruct.def (TS_OMP_CLAUSE): Define.
2632 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2633 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2634 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2635 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2636 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2637 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2638 (OMP_CLAUSE): Define.
2639 * print-tree.c (print_node): Handle OMP_CLAUSE.
2640 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2641 * c-typeck.c: Likewise.
2642 * gimplify.c: Likewise.
2643 * c-omp.c: Likewise.
2644 * tree-nested.c: Likewise.
2645 * tree-inline.c: Likewise.
2646 * c-parser.c: Likewise.
2647 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2650 2006-01-25 Roger Sayle <roger@eyesopen.com>
2652 PR rtl-optimization/25703
2653 * combine.c (try_combine): Handle zero_extract and strict_low_part
2654 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2656 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2658 * global.c: Fix comment typos.
2660 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2663 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2664 Use output_addr_const instead of assemble_name.
2666 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2668 * Makefile.in (sched-vis.o): Update dependencies.
2669 * haifa-sched.c (sched_finish): Clear current_sched_info.
2670 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2671 (dump_flow_info): Call it.
2672 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2674 * basic-block.h (dump_bb_info): Declare.
2675 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2676 option, and apply options only for dump files whose TDF_RTL,
2677 TDF_TREE, or TDF_IPA bits match.
2678 * rtl.h: Declare new functions exported from sched-vis.c.
2679 * sched-vis.c: Enable also if scheduling is not used.
2680 (print_value): Print the mode of registers if not inside scheduling.
2681 (print_insn): Make it work outside the scheduler. Beautify the output
2683 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2685 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2687 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2688 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2689 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2690 depending on the value of CONSTANT_POOL_ADDRESS_P.
2691 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2693 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2694 rather than SYMBOL_REF_DECL.
2695 (rtx_constant_pool): Remove const_rtx_sym_htab.
2696 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2697 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2698 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2699 Remove handling of const_rtx_sym_htab.
2700 (find_pool_constant): Delete.
2701 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2702 rather than find_pool_constant.
2703 (get_pool_constant_for_function): Delete.
2704 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2706 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2707 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2708 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2709 (SYMBOL_REF_CONSTANT): New macro.
2710 (get_pool_constant_for_function): Delete.
2711 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2712 rather than SYMBOL_REF_DECL.
2713 (i386_pe_mark_dllimport): Likewise.
2714 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2715 rather than SYMBOL_REF_DECL.
2716 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2717 (machopic_indirect_call_target): Likewise.
2719 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2721 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2723 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2725 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2727 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2729 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2731 2006-01-24 David Daney <ddaney@avtrex.com>
2734 * configure.ac (enable_tls): New enable option.
2735 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2736 * configure: Regenerate.
2737 * doc/install.texi (--enable-tls): Document new option.
2738 (--disable-tls): Ditto.
2740 2006-01-24 Richard Henderson <rth@redehat.com>
2742 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2743 * alias.c (true_dependence): Respect it.
2744 (canon_true_dependence, write_dependence_p): Likewise.
2745 * builtins.c (get_builtin_sync_mem): Set it.
2747 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2749 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2752 2006-01-24 DJ Delorie <dj@redhat.com>
2754 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2755 for storing constants in single-bit bitfields.
2757 2006-01-25 Ben Elliston <bje@au.ibm.com>
2759 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2761 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2764 * tree-ssa-pre.c (phi_translate): Return NULL
2765 for AGGREGATE_TYPE's.
2767 2006-01-24 Zack Weinberg <zackw@panix.com>
2769 * genautomata.c (process_state_for_insn_equiv_partition):
2770 Use xcalloc for insn_arcs_array.
2771 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2772 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2774 2006-01-24 Richard Henderson <rth@redhat.com>
2776 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2779 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2781 PR rtl-optimization/25890
2782 PR rtl-optimization/25905
2783 * combine.c (expand_compound_operation, expand_field_assignment):
2784 Fail if the bitfield's final position is out of bounds.
2786 2006-01-24 Ian Lance Taylor <ian@airs.com>
2789 * cgraphunit.c (cgraph_output_in_order): Don't clear
2790 cgraph_asm_nodes until after asm strings have been output.
2792 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2794 * fix-header.c (read_scan_file): Add new parameter imultilib when
2795 calling register_include_chains.
2797 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2799 * omp-low.c: Update documentation.
2801 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2802 Daniel Berlin <dberlin@dberlin.org>
2806 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2807 return from the function.
2809 2006-01-22 Zack Weinberg <zackw@panix.com>
2811 * rtl.def (match_code): Add second argument.
2812 * genpreds.c (write_extract_subexp): New function.
2813 (write_match_code): Add path argument. Use write_extract_subexp.
2814 (write_predicate_expr): Pass path to write_match_code.
2815 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2816 not perform a mode test.
2817 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2818 a subexpression does not constrain the top-level code set.
2819 * read-rtl.c (read_rtx_variadic): New function.
2820 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2821 * doc/md.texi: Document new notation.
2822 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2823 (cmpsi_operand): ... here, using new notation.
2825 2006-01-22 Zack Weinberg <zackw@panix.com>
2827 * varray.c: Remove GENERATOR_FILE #ifdefs.
2829 2006-01-22 Zack Weinberg <zackw@panix.com>
2831 * genautomata.c (output_reserved_units_table): Emit nothing if
2832 description->query_units_num is zero. Remove extra blank line.
2833 (output_cpu_unit_reservation_p): Short circuit
2834 if description->query_units_num is zero.
2836 2006-01-22 Zack Weinberg <zackw@panix.com>
2838 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2839 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2840 nor any of the random handful of variables that used to be necessary
2841 when this program was linked with rtlanal.o. Prune set of forward
2842 function declarations.
2843 (struct attr_desc): Remove static_p field.
2844 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2845 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2846 (attr_string): Do not read the character one past the length of
2848 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2849 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2850 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2851 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2852 (make_automaton_attrs): New.
2853 (main): Do not call into genautomata. Call local gen_bypass
2854 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2855 Remove special case for insn_alts.
2856 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2857 varray.h (leftover from previous change). Prune set of forward
2858 function declarations. Remove state_alts fields from all
2859 structures. Remove state_alts_table from struct automaton.
2860 Make everything except main static. Do not maintain num_dfa_decls.
2861 Do not maintain state_alts fields of various structures.
2862 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2863 (add_arc): Remove state_alts argument. All callers updated.
2864 (output_reserved_units_table): Emit #ifdef here...
2865 (output_tables): ...not here. Don't generate state_alts tables.
2866 (expand_automata): Don't generate attributes.
2867 (write_automata): Don't generate state_alts functions.
2868 (main): New function.
2869 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2870 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2871 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2872 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2873 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2874 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2875 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2876 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2878 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2879 * genattrtab.h: Delete file.
2880 * Makefile.in (OBJS-common): Add insn-automata.o.
2881 (insn-automata.o): New rule.
2882 (simple_generated_c): Add insn-automata.c.
2883 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2884 (genprogmd): Add automata.
2885 (build/genattrtab): Needs no extra objects nor libraries.
2886 (build/genautomata): Needs build/vec.o and -lm.
2888 2006-01-22 Zack Weinberg <zackw@panix.com>
2890 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2891 (output_dfa_max_issue_rate, locked_states_num): Delete.
2892 (struct automaton): Add locked_states field.
2893 (output_dead_lock_vect): Save number of locked states in
2894 automaton->locked_states. If it is zero, don't print anything.
2895 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2896 (output_internal_dead_lock_func): Only test the dead_lock_vect
2897 for automata that have locked states.
2898 (output_statistics): Always print the number of locked states for
2899 each automaton. Calculate total number of locked states here.
2900 (write_automata): Don't call output_dfa_max_issue_rate.
2901 * genattrtab.c: Define length_unit_log as a const variable.
2902 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2903 max_insn_queue_index const.
2904 * final.c (length_unit_log): Declare const.
2905 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2907 2006-01-22 Zack Weinberg <zackw@panix.com>
2909 * genautomata.c: Include vec.h, not varray.h.
2910 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2911 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2912 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2913 VEC_* macros operating on appropriately typed vectors, or to
2914 malloced arrays when the size is known in advance. Const-ify
2915 many char* variables and function arguments. No functional changes.
2916 * Makefile.in (build/varray.o): Delete rule.
2917 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2918 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2920 2006-01-22 Zack Weinberg <zackw@panix.com>
2922 * gensupport.c: Define get_insn_name and record_insn_name here.
2923 (read_md_rtx): Call record_insn_name as appropriate.
2924 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2925 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2926 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2928 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2929 (BUILD_VARRAY): Delete.
2930 (genprognormal): Rename genprogmd. Fold in all programs from
2931 genprognoprint; also attrtab.
2932 (build/genattrtab): Just mention genautomata.o and varray.o.
2933 Reorganize a bit, add comments to make the categories clearer.
2935 2006-01-22 Zack Weinberg <zackw@panix.com>
2937 * genconditions.c (condition_table, add_condition): Delete.
2938 (write_conditions): Don't emit n_insn_conditions nor
2939 insn_elision_unavailable. Issue the gcc version #ifdef here,
2940 inside the table, with no #else clause ...
2941 (write_header): ...not here.
2942 (write_writer): New function.
2943 (main): Don't initialize condition_table. Use add_c_test.
2945 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2946 files on the command line.
2947 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2948 Return -1 if there is no entry in the table, don't abort.
2949 (add_c_test, traverse_c_tests): New functions.
2950 * gensupport.h (insn_elision_unavailable, insn_conditions)
2951 (n_insn_conditions): Delete declarations.
2952 (add_c_test, traverse_c_tests): Declare.
2953 * read-rtl.c: Include gensupport.h.
2954 (read_conditions): New function.
2955 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2956 (read_rtx_1): If we get EOF when we were looking for an initial
2957 open paren, return 0. Call read_conditions when appropriate.
2958 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2959 dummy-conditions.o. Eliminate references to insn-conditions.o,
2960 or change them to build/gencondmd.o, as appropriate. Remove
2961 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2962 from $(simple_generated_c). For all files remaining in those
2963 two lists, add insn-conditions.md to the generator command line.
2964 Give insn-constants.h/s-constants their own rules. Add rules
2965 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2966 (build/read-rtl.o): Depend on gensupport.h.
2967 (genprognormal): Include preds.
2968 (genprogearly): Rename genprognoprint; only difference is now that
2969 they don't link with $(BUILD_PRINT).
2970 * dummy-conditions.c: Delete.
2972 2006-01-22 Zack Weinberg <zackw@panix.com>
2974 * genextract.c: Don't include insn-config.h. Do include vec.h.
2975 Declare vectors of int, char, and locstr.
2976 (locstr): New typedef.
2977 (struct extraction): Make all array fields into bare pointers.
2978 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2979 (insn_code_number): Delete.
2980 (accum_extract): New struct.
2981 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2982 (gen_insn): Take insn_code_number as an argument. Use an
2983 accum_extract structure instead of loading data directly into
2984 a struct extraction, and having to know how big it might get.
2985 (walk_rtx): Operate entirely on an accum_extract structure.
2986 (print_path): Avoid unnecessary use of printf.
2987 (print_header): New function, split out of main. Distinguish
2988 more carefully between an unrecognizable insn and an insn that
2989 has the code number of a define_expand.
2990 (main): Pass insn_code_number to gen_insn. Call print_header
2991 only after parsing. Avoid unnecessary use of printf.
2992 * Makefile.in (build/vec.o): New rule.
2993 (build/genextract): Depend on build/vec.o.
2994 (build/genextract.o): Don't depend on insn-config.h.
2996 2006-01-22 Zack Weinberg <zackw@panix.com>
2998 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2999 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3000 practical. Eliminate per-generator-program link rules.
3002 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3005 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3006 with a call expr to ...
3007 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3009 2006-01-23 Richard Guenther <rguenther@suse.de>
3011 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3012 before make_edge with conditional EDGE_TRUE_VALUE.
3014 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3015 Jan Hubicka <jh@suse.cz>
3016 Richard Guenther <rguenther@suse.de>
3018 PR rtl-optimization/25654
3019 * cfgexpand.c (aggregate_contains_union_type): New function.
3020 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3021 for structure variables that contain a union type.
3023 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3025 * gengtype.c (new_structure): Return the structure.
3026 (create_option): Add an extra "next" argument.
3027 (create_field): New function.
3028 (adjust_field_rtx_def): Use create_option and create_field.
3029 Remove a now-unnecessary call to find_structure.
3030 (adjust_field_tree_def): Likewise.
3031 (note_yacc_type): Remove an unnecessary call to find_structure.
3032 * gengtype.h (new_structure): Return the structure.
3033 (create_option): Add an extra argument.
3034 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3035 (option): Adjust calls to create_option.
3037 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3039 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3041 2006-01-22 Paul Brook <paul@codesourcery.com>
3042 Peter Barada <peter@the-baradas.com>
3044 * config/m68k/m68k.md: Add Coldfire FPU support.
3045 Define FP mode macro and associated attributes.
3046 Use it for float mode patterns.
3047 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3048 (LIBCALL_VALUE): Use m68k_libcall_value.
3049 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3050 (m68k_function_value): Ditto.
3051 (emit_move_sequence): Ditto.
3052 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3053 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3054 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3055 (MULTILIB_EXCEPTIONS): Ditto.
3056 * config/m68k/m68k.opt: Add mcfv4e.
3057 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3058 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3059 (m68k_output_function_prologue): Save ColdFire FPU registers.
3060 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3061 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3062 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3063 ColdFire FPU registers.
3064 (m68k_libcall_value, m68k_function_value): New functions.
3065 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3066 (LIBCALL_VALUE): Use m68k_libcall_value.
3067 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3068 (MASK_COLDFIRE): Add MASK_CFV4E.
3069 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3070 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3071 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3072 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3073 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3074 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3075 * doc/invoke.tex: Document -mcfv4e on m68k.
3077 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3079 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3082 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3085 * c-opts.c (c_common_handle_option): Don't include
3086 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3087 * doc/invoke.texi (C++ Dialect Options): Document that
3088 -Wnon-virtual-dtor is no longer included in -Wall.
3090 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3092 * gcov.c (print_version), gcov-dump.c (print_version),
3093 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3096 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3098 * df-scan.c (problem_SCAN): Added NULL reset function.
3099 (df_scan_reset_blocks): Added code to call reset block function
3100 (df_bb_refs_delete) Fixed comment.
3101 (df_insn_refs_delete): Made tolerant of deleting non existent info
3102 for dataflow problems that need to be reset.
3103 * df-core.c (df_set_blocks): Ditto.
3104 * df.h (struct df_problem): Added reset_fun.
3105 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3106 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3107 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3108 functions to clear out all references to def-use or use-def chains.
3110 2006-01-21 Ben Elliston <bje@au.ibm.com>
3112 * varasm.c (assemble_real): Initialise data array.
3114 2006-01-20 Paul Brook <paul@codesourcery.com>
3116 Merge from csl-arm-branch.
3117 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3118 * config/arm/arm.md (movdi): Force operands[1] to a register
3119 if we have a non-register source.
3120 (*arm_movdi, *movdf_soft_insn): Require that one of the
3121 operands be a register.
3122 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3123 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3125 2006-01-20 DJ Delorie <dj@redhat.com>
3127 * varasm.c (initialize_constant_valid_p): Allow pointers
3128 initialized from integer constants of lesser precision.
3129 (output_constant): Allow non-int-sized pointer modes to be
3130 initialized from integer constants.
3132 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3135 * cppdefault.h (struct default_include): Add multilib flag.
3136 * cppdefault.c (cpp_include_defaults): Set it.
3137 * c.opt (-imultilib): New option.
3138 * c-opts.c (imultilib): New.
3139 (c_common_handle_option): Handle -imultilib.
3140 (c_common_post_options): Likewise.
3141 * c-incpath.c (add_standard_paths, register_include_chains):
3143 * c-incpath.h (register_include_chains): Add extra parameter.
3144 * gcc.c (do_spec_1): Generate -imultilib option.
3145 (The Specs Language): Update %I description.
3146 (process_command): Update copyright notice.
3147 * doc/cppopts.texi (-imultilib): Document.
3148 * doc/invoke.texi (-imultilib): Include in option summary.
3149 (%I): Update specs documentation.
3151 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3153 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3155 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3157 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3160 2006-01-20 Richard Guenther <rguenther@suse.de>
3161 Steven Bosscher <stevenb.gcc@gmail.com>
3163 PR rtl-optimization/24626
3164 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3165 EDGE_TRUE_VALUE if in RTL mode.
3168 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3169 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3171 2006-01-20 Dirk Mueller <dmueller@suse.com>
3174 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3175 instead of a special NOP marker.
3176 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3177 NOP marker handling.
3178 * c-common.h (empty_body_warning): Add forward declaration.
3179 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3180 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3182 2006-01-20 Paul Brook <paul@codesourcery.com>
3184 * Makefile.in (lang_checks): Keep going if mkdir fails.
3186 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3188 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3189 be able to clean out basic block when not necessary.
3190 (df_scan_free): Fixed to properly delete information if df is
3191 unused before calling df_finish.
3192 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3193 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3195 (df_bb_refs_delete): New function.
3196 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3197 * df-core.c (df_set_blocks): Added code to properly clean out
3198 unused blocks if they are not part of the blocks to consider.
3199 Added additional null check.
3200 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3201 be able to clean out basic block when not necessary
3202 * df.h (df_free_bb_function): Ditto.
3203 (df_bb_refs_delete): New function.
3204 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3205 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3206 basic block parameter to be able to clean out basic block when not
3208 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3209 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3210 Fixed to properly delete information if df is unused before
3213 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3215 PR rtl-optimization/25799
3216 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3217 Corrected confluence operator to remove bits from op2 before oring
3218 with op1 rather than removing bits from op1.
3219 (df_ru_transfer_function): Corrected test on wrong bitmap which
3220 caused infinite loop. Both of these problems were introduced in
3221 the dataflow rewrite.
3223 2006-01-19 DJ Delorie <dj@redhat.com>
3225 * reload1.c (find_reload_regs): Note the details of reload
3226 failures in the dump file.
3227 (spill_failure): Likewise.
3229 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3231 * loop-iv.c: Include df.h and hashtab.h.
3232 (enum iv_grd_result): New enum.
3233 (DF_REF_IV, DF_REF_IV_SET): New macros.
3234 (struct biv_entry): New.
3235 (df, bivs): New global variables.
3236 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3237 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3239 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3240 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3241 analyzed_for_bivness_p, record_biv): New functions.
3242 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3243 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3244 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3246 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3248 (iv_number_of_iterations): Use new interface to iv analysis.
3249 * loop-unroll.c: Do not include varray.h.
3250 (analyze_iv_to_split_insn): Use new interface to iv
3252 * loop-unswitch.c (may_unswitch_on): Ditto.
3253 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3255 (df_bb_modify): Realloc tables to the new index.
3256 (df_find_use): New function.
3257 * df.h (df_find_use): Declare.
3258 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3260 * cfgloop.h (struct rtx_iv): Remove analysed field.
3261 (iv_get_reaching_def): Removed.
3262 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3263 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3264 (loop-iv.o): Add df.h and hashtab.h dependency.
3265 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3267 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3270 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3272 (__floatundisf, __floatundidf): Likewise.
3273 * libgcc2.h (IS_IBM_EXTENDED): Define.
3275 2006-01-19 DJ Delorie <dj@redhat.com>
3277 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3279 2006-01-19 Paul Brook <paul@codesourcery.com>
3281 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3282 as nothrow when unwinding tables are disabled.
3284 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3287 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3288 of bit-field" when in system header.
3290 2006-01-19 DJ Delorie <dj@redhat.com>
3292 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3293 the 16 bit shift limit of the m16c.
3295 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3298 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3299 * config/i386/i386.c (output_set_got): Output the label if we have one
3300 for the TARGET_DEEP_BRANCH_PREDICTION case.
3302 2006-01-19 Jan Hubicka <jh@suse.cz>
3303 H.J. Lu <hongjiu.lu@intel.com>
3304 Evandro Menezes <evandro.menezes@amd.com>
3306 * invoke.texi (generic): Document
3308 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3309 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3310 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3311 (x86_use_incdec, x86_pad_returns): New variables
3312 (TARGET_CPU_DEFAULT_generic): New constant
3313 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3314 (enum processor_type): Add generic32 and generic64.
3315 * i386.md (cpu attribute): Add generic32/generic64
3316 (movhi splitter): Behave sanely when both partial_reg_dependency and
3317 partial_reg_stall are set.
3318 (K8 splitters): Enable for generic as well.
3319 * predicates.md (incdec_operand): Use TARGET_INCDEC
3320 (aligned_operand): Avoid memory mismatch stalls.
3321 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3322 * ppro.md: Enable for generic32
3323 * i386.c (generic64_cost, generic32_cost): New.
3324 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3325 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3326 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3327 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3328 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3329 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3330 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3331 x86_accumulate_outgoing_args, x86_prologue_using_move,
3332 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3333 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3335 (x86_use_incdec, x86_pad_returns): New.
3336 (override_options): Add generic32 and generic64, translate "generic"
3337 to generic32/generic64 and "i686" to "generic32", refuse
3338 "generic32"/"generic64" as arch target.
3339 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3340 (ix86_reorg): Honor PAD_RETURNS.
3342 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3344 * tree-pretty-print.c (dump_generic_node): Handle
3345 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3346 * cgraph.c (cgraph_expand_queue): Rename from
3347 cgraph_analyze_queue. Update all users.
3348 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3349 cgraph_expand_queue.
3350 (cgraph_expand_all_functions): Likewise.
3351 (cgraph_finalize_pending_functions): Remove. Update callers.
3353 * tree.h (OMP_DIRECTIVE_P): Define.
3354 (OMP_PARALLEL_FN): Define.
3355 (OMP_PARALLEL_DATA_ARG): Define.
3356 (OMP_SECTIONS_SECTIONS): Define.
3357 * tree-pass.h (pass_expand_omp): Declare.
3358 * omp-low.c (struct omp_region): Declare.
3359 (struct omp_context): Remove fields 'parallel_type',
3360 'parallel_start_ix' and 'parallel_start_additional_args'.
3362 (struct omp_for_data): Rename from struct expand_omp_for_data.
3363 (omp_regions): New static variable.
3364 (root_omp_region): New static variable.
3365 (find_omp_clause): Make static.
3366 (is_in_combined_parallel_ctx): Remove.
3367 (is_combined_parallel): New.
3368 (extract_omp_for_data): Move earlier in the file.
3369 (workshare_safe_to_combine_p): New.
3370 (get_ws_args_for): New.
3371 (determine_parallel_type): Move earlier in the file.
3372 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3374 (omp_copy_decl): Likewise.
3375 (create_omp_child_function): Likewise.
3376 (lookup_omp_region): New.
3377 (dump_omp_region): New.
3378 (debug_omp_region): New.
3379 (debug_all_omp_regions): New.
3380 (new_omp_region): New.
3381 (scan_omp_parallel): If parallel_nesting_level > 1, the
3382 directive is nested within another parallel directive.
3383 Set OMP_PARALLEL_FN.
3384 (scan_omp_for): Do not try to handle combined parallel+for
3386 Remove FIXME comment.
3387 (scan_omp_nested): Remove.
3388 (scan_omp_1): Do not call scan_omp_nested when
3389 parallel_nesting_level is > 1.
3390 Do not change the DECL_CONTEXT of local variables found.
3391 (lookup_decl_in_outer_ctx): New.
3392 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3393 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3394 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3395 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3396 If CTX is nested, lookup VAR in the outer context when
3397 building copy assignment.
3398 (lower_send_clauses): Rename from expand_send_clauses.
3399 If CTX is nested, lookup VAR in the outer context when
3400 building copy assignments.
3401 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3402 If CTX is nested, lookup VAR in the outer context when
3403 building copy assignments.
3404 (expand_parallel_call): Rename from build_parallel_call.
3405 Handle combined parallel+workshare cases.
3406 Re-implement to emit code into the CFG.
3408 (expand_omp_parallel): Re-implement to emit code into the CFG.
3409 Call move_sese_region_to_fn to outline the sub-graph
3410 containing the parallel region.
3411 (expand_omp_for_1): Remove.
3412 (expand_omp_for_generic): Re-implement to emit code into the
3414 (expand_omp_for_static_nochunk): Likewise.
3415 (expand_omp_for_static_chunk): Likewise.
3416 (expand_omp_for): Likewise.
3417 (expand_omp_sections): Likewise.
3418 (remove_exit_barriers): New.
3419 (expand_omp_synch): New.
3421 (build_omp_regions_1): New.
3422 (build_omp_regions): New.
3423 (execute_expand_omp): New.
3424 (gate_expand_omp): New.
3425 (pass_expand_omp): Define.
3426 (lower_omp_sections): Rename from expand_omp_sections.
3427 Set OMP_SECTIONS_SECTIONS.
3428 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3429 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3430 (lower_omp_single): Rename from expand_omp_simple.
3431 (lower_omp_master): Rename from expand_omp_master.
3432 (lower_omp_ordered): Rename from expand_omp_ordered.
3433 (lower_omp_critical): Rename from expand_omp_critical.
3434 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3435 (lower_omp_for): Re-implement.
3436 (lower_omp_parallel): Re-implement.
3437 (lower_regimplify): Rename from expand_regimplify.
3438 (lower_omp_1): Rename from expand_omp_1.
3439 If there are syntax errors in the program, replace every
3440 OpenMP directive with NOP.
3441 Call lower_omp_* instead of expand_omp_*.
3442 (lower_omp): Rename from expand_omp.
3444 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3445 * tree-gimple.h (enum omp_parallel_type): Remove.
3446 (gimple_boolify): Declare extern.
3447 (find_omp_clause, determine_parallel_type): Remove.
3449 * gimple-low.c (lower_omp_directive): New.
3450 (lower_stmt): Call it.
3451 (record_vars_into): Move from ...
3452 (record_vars): ... here.
3453 Call record_vars_into with current_function_decl.
3455 * gimplify.c (struct gimplify_ctx): Remove fields
3456 combined_pre_p and combined_ctxp. Update users.
3457 (get_formal_tmp_var): Add documentation.
3458 (gimple_boolify): Make extern.
3459 (gimplify_expr_in_ctx): Remove. Update callers.
3460 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3461 will always be a BIND_EXPR.
3462 (gimplify_expr): Handle OMP_RETURN_EXPR.
3463 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3464 (OMP_PARALLEL): Add 3 operands.
3465 (OMP_SECTIONS): Add 1 operand.
3466 (OMP_RETURN_EXPR): Define.
3468 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3469 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3470 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3471 creating a circular free list.
3472 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3474 * tree-flow.h (move_sese_region_to_fn): Declare.
3475 (record_vars_into): Declare.
3476 * tree-cfg.c (make_omp_sections_edges): New.
3477 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3478 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3479 OMP_SECTIONS and OMP_SECTION.
3480 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3481 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3482 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3483 (gather_blocks_in_sese_region): New.
3484 (struct move_stmt_d): Declare.
3486 (move_block_to_fn): New.
3487 (move_sese_region_to_fn): New.
3489 * passes.c (init_optimization_passes): Schedule
3490 pass_expand_omp after pass_init_datastructures.
3492 * tree-ssa-operands.c (get_expr_operands): Handle
3493 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3494 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3496 2006-01-19 Jeff Law <law@redhat.com>
3498 * tree-vrp.c (extract_range_from_assert): Refine the result range
3499 if the variable referenced by the ASSERT_EXPR has a range and
3500 either the tentative result range or the previous range is a
3503 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3505 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3507 2006-01-19 Jan Hubicka <jh@suse.cz>
3509 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3511 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3513 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3514 (expand_compound_operation, expand_field_assignment): Fail if the
3515 bit lengths of an extract operation are out of range.
3516 (make_extraction): Compute wanted_inner_mode based on the position
3517 and length of the extraction. Make it extraction_mode for non-constant
3518 positions, and do not modify offset in that case. When generating a
3519 new MEM, use a mode that can hold the extraction while keeping correct
3520 alignment. Remove code that supported MEMs wrapped by USEs.
3521 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3523 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3525 * config/s390/s390.md ("Y", "y"): New mode attribute.
3526 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3527 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3528 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3529 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3530 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3531 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3532 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3533 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3534 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3535 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3536 "addsi3", "subsi3"): Insn patterns removed.
3537 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3538 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3539 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3540 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3541 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3542 "*sub<mode>3_cconly2"): New insn patterns.
3543 ("addsi3", "subsi3"): New expanders.
3545 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3547 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3548 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3549 existing STMT_VINFO_VECTYPE if available.
3550 (vect_mark_relevant): Add special handling for stmts that are
3551 marked as STMT_VINFO_IN_PATTERN_P.
3552 (vect_analyze_loop): Call vect_pattern_recog.
3553 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3554 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3556 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3557 (vect_recog_func_ptr): New function-pointer type.
3558 * tree-vect-patterns.c: New file.
3559 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3560 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3561 (vect_pattern_recog_1): New functions.
3562 (vect_pattern_recog_funcs): New array of function pointers.
3564 * tree-vectorizer.h (ternary_op): New enum value.
3565 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3566 declaration. Revised documentation. Removed redundant dump prints.
3567 Removed redundant argument. Added support for reduction patterns.
3568 (vectorizable_reduction): Added support for reduction patterns.
3569 (vect_transform_stmt): Added support for patterns.
3571 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3572 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3573 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3574 (expand_widen_pattern_expr): New function.
3575 (init_optabs): Initialize new optabs udot_prod_optab,
3577 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3578 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3579 (expand_widen_pattern_expr): New function declaration.
3580 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3582 * tree-inline.c (estimate_num_insns_1): Added cases for new
3583 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3584 * tree-pretty-print.c (dump_generic_node): Likewise.
3585 (op_prio): Likewise.
3586 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3587 * tree-ssa-operands.c (get_expr_operands): Added case for
3589 * tree-vect-patterns.c (widened_name_p): New function.
3590 (vect_recog_dot_prod_pattern): Added function implementation.
3591 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3592 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3593 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3594 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3596 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3597 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3598 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3599 (init_optabs): Initialize new optabs widen_ssum_optab,
3601 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3602 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3603 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3604 use instead of type of def.
3605 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3606 function implementation.
3607 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3608 widen_ssumv8hi): New.
3610 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3613 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3616 * c-decl.c (add_flexible_array_elts_to_size): New function.
3617 (finish_decl): Use it.
3619 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3621 * diagnostic.h: Include options.h.
3622 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3623 dependancies for diagnostic.h.
3624 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3626 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3628 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3629 (ssa_ro_call_cache_valid): Ditto.
3630 * tree-ssa-alias.c (sort_tags_by_id): New function.
3631 (init_transitive_clobber_worklist): Ditto.
3632 (add_to_worklist): Ditto.
3633 (mark_aliases_call_clobbered): Ditto.
3634 (compute_tag_properties): Ditto.
3635 (set_initial_properties): Ditto.
3636 (compute_call_clobbered): Ditto.
3637 (compute_may_aliases): Call compute_call_clobbered and grouping.
3638 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3639 (compute_flow_insensitive_aliasing): Grouping now happens in our
3641 (setup_pointers_and_addressables): Remove clobbering related code.
3642 (add_may_alias): Ditto.
3643 (replace_may_alias): Ditto.
3644 (get_nmt_for): Ditto.
3645 (create_global_var):
3646 (is_escape_site): Return an escape_type enumeration.
3647 * tree-flow-inline.h (is_call_clobbered): Global var does not
3648 imply call clobbered.
3649 (mark_call_clobbered): Take a reason for marking this. Remove
3650 marking of globalness, and cache invalidation.
3651 (clear_call_clobbered): Remove cache invalidation code.
3652 * tree-dfa.c (dump_variable): If details is on, dump the reason
3654 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3656 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3657 (struct var_ann_d): Ditto.
3658 (enum escape_type): New.
3659 (mark_call_clobbered): Adjust prototype.
3660 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3661 are never call clobbered.
3662 Record reasons for escaping.
3663 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3664 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3665 (ssa_ro_call_cache_valid): Ditto.
3666 (clobbered_v_may_defs): Ditto.
3667 (clobbered_vuses): Ditto.
3668 (ro_call_vuses): Ditto.
3669 (clobber_stats): New.
3670 (init_ssa_operands): Zero out clobber stats.
3671 (fini_ssa_operands): Print out clobber stats.
3672 (get_call_expr_operands): Pass callee fndecl to
3674 (add_call_clobber_ops): Remove use of cache.
3675 Add use of PURE_CONST information.
3676 (add_call_read_ops): Remove use of cache.
3677 Add use of static not_read information.
3679 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3681 Introduce TLS descriptors for i386 and x86_64.
3682 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3683 (TARGET_ANY_GNU_TLS): New macro.
3684 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3685 (struct machine_function): Add tls_descriptor_call_expanded_p.
3686 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3687 (ix86_current_function_calls_tls_descriptor): Likewise.
3688 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3689 (override_options): Introduce gnu2 tls dialect.
3690 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3692 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3694 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3695 (ix86_init_machine_status): Initialize new field.
3696 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3697 (ix86_tls_module_base): New.
3698 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3699 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3700 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3701 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3702 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3703 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3704 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3705 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3706 * config/i386/predicates.md (tls_modbase_operand): New.
3707 (tp_or_register_operand): New.
3709 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3711 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3712 (look_for_address_of): Ditto.
3713 (ipa_init): Walk the function decls.
3714 (static_execute): Don't set readonly on FUNCTION_DECL's.
3716 2006-01-18 Roger Sayle <roger@eyesopen.com>
3718 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3719 for shifts where the source and destination registers are different.
3721 2006-01-18 Paul Brook <paul@codesourcery.com>
3723 Merge from csl-arm-branch.
3724 2005-03-14 Julian Brown <julian@codesourcery.com>
3725 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3726 (aeabi_llsl): Likewise.
3727 (ashrdi3): Likewise.
3728 (aeabi_lasr): Likewise.
3729 (lshrdi3): Likewise.
3730 (aeabi_llsr): Likewise.
3731 2005-03-10 Julian Brown <julian@codesourcery.com>
3732 * config.gcc: Disable shared libgcc for SymbianOS.
3733 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3735 2006-01-18 DJ Delorie <dj@redhat.com>
3737 * c-pragma.c (handle_pragma_diagnostic): New.
3738 (init_pragma): Register it.
3739 * doc/extend.texi: Document it.
3741 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3742 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3743 (diagnostic_context): Add classify_diagnostic[].
3744 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3745 as errors if they're overridden to DK_WARNING.
3746 (diagnostic_initialize): Initialize classify_diagnostic[].
3747 (diagnostic_set_kind_override): New.
3748 (diagnostic_report_diagnostic): Check for kind changes.
3749 * opts.c (common_handle_option): Take lang_mask. Update callers.
3751 * common.opt (Werror=): New.
3752 * doc/invoke.texi: Document -Werror=*
3754 2006-01-18 Jeff Law <law@redhat.com>
3756 * tree-vrp.c (test_for_singularity): Correct test for new
3757 min limit. Use operand_equal_p rather than pointer equality
3758 for testing if new min/max values are equal.
3760 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3761 using range information until after propagation and folding.
3763 2006-01-18 Richard Henderson <rth@redhat.com>
3764 Aldy Hernandez <aldyh@redhat.com>
3765 Jakub Jelinek <jakub@redhat.com>
3766 Diego Novillo <dnovillo@redhat.com>
3768 * omp-low.c: New file.
3769 * c-omp.c: New file.
3771 2006-01-18 Richard Henderson <rth@redhat.com>
3772 Jakub Jelinek <jakub@redhat.com>
3773 Diego Novillo <dnovillo@redhat.com>
3775 * doc/invoke.texi: Document -fopenmp.
3776 * tree-dump.h (debug_function): Declare.
3777 * hooks.c (hook_bool_tree_bool_false): New function.
3778 (hook_tree_tree_null): Remove.
3779 (hook_tree_tree_tree_null): New.
3780 * hooks.h: Update to match.
3781 * tree-pretty-print.c (debug_tree_chain): New.
3782 (print_generic_expr): Handle TDF_CHAIN.
3783 (dump_generic_node): Handle BLOCK.
3784 Do not abort with incomplete SWITCH_EXPRs.
3785 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3786 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3787 print space after directive name.
3788 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3789 Handle OMP_MASTER and OMP_ORDERED.
3790 Handle printing of OMP_BODY just in one place, goto
3791 dump_omp_body in the rest of OMP_* nodes that have
3793 Don't handle clause nodes here. Update omp statements to
3794 use dump_omp_clauses.
3795 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3796 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3797 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3798 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3799 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3800 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3801 Adjust output for GOMP_PARALLEL.
3802 (dump_omp_clauses): New.
3803 (print_declaration): Dump DECL_VALUE_EXPR.
3804 (op_symbol_1): Split out of op_symbol.
3805 (dumping_stmts): Remove. Update all users.
3806 * cgraph.c (cgraph_analyze_queue): New.
3807 (cgraph_add_new_function): New.
3808 * cgraph.h (cgraph_analyze_queue): Declare.
3809 (cgraph_add_new_function): Declare.
3810 (cgraph_lower_function): Remove.
3811 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3812 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3813 and TYPE_P nodes in its default clause.
3814 (empty_body_p): New.
3815 (tree_range_check_failed): New.
3817 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3818 OMP_CLAUSE_REDUCTION_MERGE,
3819 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3820 OMP_CLAUSE_PRIVATE_DEBUG,
3821 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3822 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3823 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3824 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3825 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3826 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3827 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3828 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3829 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3830 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3831 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3832 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3833 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3834 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3835 (TREE_RANGE_CHECK): New.
3836 (empty_body_p): Declare.
3837 (enum omp_clause_default_kind): New.
3838 (build_string_literal): Declare.
3839 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3840 (build5_stat, build5): Declare.
3841 * tree-pass.h (TDF_CHAIN): Define.
3842 * tree-pass.h (PROP_gimple_lomp): Define.
3843 (pass_lower_omp): Declare.
3844 * diagnostic.h (debug_tree_chain): Declare.
3845 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3847 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3848 * builtins.c (build_string_literal): Make extern.
3849 * gcc.c (include_spec_function): New.
3850 (static_spec_functions): Add it.
3851 (main): Move load of libgomp.spec ...
3852 (LINK_COMMAND_SPEC): ... here.
3853 (link_gomp_spec): New.
3854 (static_specs): Include it.
3855 (LINK_COMMAND_SPEC): Add link_gomp.
3856 (GOMP_SELF_SPECS): New.
3857 (driver_self_specs): Include it.
3858 (switch_matches): Don't mark inline.
3859 (main): Load libgomp.spec.
3860 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3861 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3862 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3863 * tree-gimple.h (enum omp_parallel): Declare.
3864 (determine_parallel_type): Declare.
3865 (omp_firstprivatize_variable): Declare.
3866 (omp_reduction_init): Declare.
3867 (diagnose_omp_structured_block_errors): Declare.
3868 (struct walk_stmt_info): Add want_return_expr.
3869 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3870 (find_omp_clause): Declare.
3871 (insert_field_into_struct): Declare.
3872 (struct walk_stmt_info): Move from tree-nested.c
3873 (walk_stmts): Declare.
3874 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3876 * cgraphunit.c (cgraph_lower_function): Make static.
3877 (cgraph_finalize_pending_functions): New.
3878 (cgraph_finalize_function): Call it.
3879 (cgraph_finalize_compilation_unit): Likewise.
3880 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3881 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3882 (BT_FN_UINT_UINT): New.
3883 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3884 DEF_FUNCTION_TYPE_VAR_4): Document.
3885 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3886 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3887 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3888 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3889 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3890 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3891 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3892 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3893 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3894 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3895 into separate files.
3896 (DEF_GOMP_BUILTIN): New.
3897 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3898 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3899 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3900 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3901 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3902 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3903 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3904 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3905 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3906 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3907 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3908 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3909 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3910 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3911 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3912 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3913 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3914 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3915 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3916 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3917 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3918 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3919 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3920 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3921 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3922 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3923 * sync-builtins.def: New file, moved from builtins.def.
3924 * omp-builtins.def: New file, moved from builtins.def.
3925 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3926 * gimple-low.c (lower_function_body): Clear data.
3927 (lower_stmt): Do not handle COMPOUND_EXPR.
3928 Remove call to print_node_brief.
3929 * c-tree.h (c_finish_omp_clauses): New prototype.
3930 (C_DECL_THREADPRIVATE_P): Define.
3931 (lookup_name_no_remap, c_omp_remap_private): Remove
3932 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3933 (check_for_loop_decls): Update decl.
3934 (lookup_name_no_remap, c_omp_remap_private): Declare.
3935 (build_indirect_ref, build_modify_expr, pushdecl,
3936 pushdecl_top_level): Move to c-common.h.
3937 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3938 before the switch, but just in the 2 places that need it.
3939 * c-decl.c (diagnose_mismatched_decls): Do not check for
3940 mismatched thread-local attributes when OLDDECL is marked
3941 threadprivate and NEWDECL has no thread-local attributes.
3942 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3943 (c_gimple_diagnostics_recursively): Rename from
3944 c_warn_unused_result_recursively. Invoke
3945 diagnose_omp_structured_block_errors.
3946 (check_for_loop_decls): Return a singular decl found.
3947 * langhooks.c (lhd_omp_predetermined_sharing): Return
3948 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3949 (lhd_omp_firstprivatize_type_sizes): New.
3950 (lhd_omp_assignment): New.
3951 (lhd_omp_predetermined_sharing): New.
3952 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3953 (struct lang_hooks_for_types): Add
3954 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3955 omp_predetermined_sharing, omp_disregard_value_expr,
3956 omp_private_debug_clause, omp_clause_default_ctor,
3957 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3958 (c_finish_omp_clauses): New.
3959 (c_finish_bc_stmt): Diagnose break within omp for.
3960 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3961 (build_unary_op): Return error_mark after reporting
3963 (build_modify_expr): Likewise.
3964 * gimplify.c: Include optabs.h and pointer-set.h.
3965 (enum gimplify_omp_var_data): Declare.
3966 (struct gimplify_omp_ctx): Declare.
3967 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3969 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3970 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3971 (splay_tree_compare_decl_uid): New.
3972 (new_omp_context): New.
3973 (delete_omp_context): New.
3974 (gimple_add_tmp_var): Call omp_add_variable.
3975 (gimplify_bind_expr): Likewise.
3976 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3977 true, disregard DECL_VALUE_EXPR on the decl if any.
3978 (gimplify_expr_in_ctx): New.
3979 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3980 omp_add_variable, omp_notice_variable, omp_is_private
3981 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3982 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3983 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3984 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3985 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3986 gimplify_omp_atomic): New.
3987 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3988 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3989 OMP_CRITICAL and OMP_ATOMIC.
3990 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3991 * c-pragma.h (enum pragma_kind): Add
3992 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3993 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3994 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3995 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3996 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3997 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3998 PRAGMA_OMP_THREADPRIVATE.
3999 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4000 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4001 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4002 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4003 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4004 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4005 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4006 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4007 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4008 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4009 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4010 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4011 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4013 (struct nesting_info): Add field_map,
4014 suppress_expansion, debug_var_chain.
4015 (create_nesting_tree): Initialize them.
4016 (lookup_field_for_decl): Use field_map.
4017 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4018 (convert_local_omp_clauses): New.
4019 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4020 (walk_body): Split out of walk_function.
4021 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4022 (convert_nonlocal_reference): Handle omp statements.
4023 (convert_local_reference): Likewise.
4024 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4025 (unnest_nesting_tree): New.
4026 (lower_nested_functions): Call it.
4027 (insert_field_into_struct): Make extern.
4028 (struct walk_stmt_info): Move to tree-gimple.h.
4029 (walk_stmts): Make extern.
4030 * omp-builtins.def: New file.
4031 * tree-iterator.c (expr_only): Clarify comment.
4032 * c-common.h (pushdecl_top_level, pushdecl,
4033 build_modify_expr, build_indirect_ref,
4034 c_finish_omp_master, c_finish_omp_critical,
4035 c_finish_omp_ordered, c_finish_omp_barrier,
4036 c_finish_omp_atomic, c_finish_omp_flush,
4037 c_finish_omp_for, c_split_parallel_clauses,
4038 omp_clause_default_kind, c_omp_sharing_predetermined,
4039 c_omp_remap_decl): Declare.
4040 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4041 (OBJS-common): Add omp-low.o.
4042 (c-omp.o, omp-low.o): Add.
4043 (gimplify.o): Add dependency on $(OPTABS_H).
4044 (GTFILES): Add omp-low.c.
4045 (gt-stringpool.h): Add.
4046 * tree-cfg.c (set_bb_for_stmt): Do not update the
4047 block-to-labels map if we are currently expanding to RTL.
4048 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4050 Handle IDENTIFIER_NODE.
4051 (tree_verify_flow_info): Do not ICE when emitting error
4052 messages about invalid labels.
4053 (dump_function_to_file): Reset CFUN before emitting the body
4055 (debug_function): New.
4056 * passes.c (init_optimization_passes): Schedule
4058 * langhooks-def.h (lhd_omp_predetermined_sharing,
4059 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4061 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4062 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4063 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4064 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4065 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4066 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4067 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4068 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4069 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4070 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4071 (LANG_HOOK_DECLS): Use them.
4073 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4074 Richard Henderson <rth@redhat.com>
4075 Jakub Jelinek <jakub@redhat.com>
4076 Diego Novillo <dnovillo@redhat.com>
4078 * c-parser.c (pragma_omp_clause): Define.
4079 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4080 (c_parser_compound_statement): Likewise.
4081 (c_parser_statement): Likewise.
4082 (c_parser_pragma): Handle omp pragmas.
4083 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4084 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4085 (c_parser_omp_clause_name, check_no_duplicate_clause,
4086 c_parser_omp_variable_list,
4087 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4088 c_parser_omp_clause_copyprivate,
4089 c_parser_omp_clause_default,
4090 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4091 c_parser_omp_clause_lastprivate,
4092 c_parser_omp_clause_nowait,
4093 c_parser_omp_clause_num_threads,
4094 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4095 c_parser_omp_clause_reduction,
4096 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4097 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4098 c_parser_omp_atomic, c_parser_omp_barrier,
4099 c_parser_omp_critical, c_parser_omp_flush,
4100 c_parser_omp_for_loop, c_parser_omp_for,
4101 c_parser_omp_master, c_parser_omp_ordered,
4102 c_parser_omp_sections_scope, c_parser_omp_sections,
4103 c_parser_omp_parallel, c_parser_omp_single,
4104 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4105 * c-pragma.c (init_pragma): Do omp pragma registration here.
4106 * c.opt (fopenmp): New flag.
4108 2006-01-18 Eric Christopher <echristo@apple.com>
4110 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4111 * config/darwin.h (GOMP_SELF_SPECS): Define.
4113 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4115 * rtl.h: Remove the prototype for reg_alloc.
4117 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4120 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4121 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4122 sjlj and dwarf2 exception handling.
4123 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4124 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4125 * pa/pa.c (function_value): Treat complex and vector types as
4127 (function_arg): Likewise. Only pass scalar floats in the floating
4128 point argument registers.
4129 * pa/t-slibgcc-dwarf-ver: New file.
4130 * pa/t-slibgcc-sjlj-ver: New file.
4131 * pa/t-slibgcc-elf-ver: Delete file.
4133 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4135 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4136 unlikely_test_section_p test.
4138 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4140 * mode-switching.c (optimize_mode_switching): Make it static.
4141 * basic-block.h: Remove the prototype for
4142 optimize_mode_switching.
4144 * modulo-sched.c (sms_schedule): Make it static.
4145 * rtl.h: Remove the prototype for sms_schedule.
4147 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4148 * rtl.h: Remove the prototype for gcse_after_reload_main.
4150 * reg-stack.c (reg_to_stack): Make it static.
4151 * rtl.h: Remove the prototype for reg_to_stack.
4153 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4155 * rtl.h: Remove the prototypes for regrename_optimize and
4156 copyprop_hardreg_forward.
4158 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4160 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4161 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4162 Test against the appropriate null constant for the mode.
4163 If 'fixup_overlap' is true, swap the operands if they overlap.
4164 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4165 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4166 alpha_split_tmode_pair and adjust for above change.
4167 * config/alpha/alpha.md (movtf_internal): Adjust call to
4168 alpha_split_tfmode_pair and rely on it to swap the operands.
4169 (movti_internal): New insn and post-reload splitter.
4170 (movti): New expander.
4172 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4174 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4177 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4179 * rtlanal.c (global_reg_mentioned_p_1,
4180 global_reg_mentioned_p): Remove.
4181 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4183 * flow.c (initialize_uninitialized_subregs): Make it static.
4184 * rtl.h: Remove the prototype for
4185 initialize_uninitialized_subregs.
4187 * function.c (instantiate_virtual_regs): Make it static.
4188 * function.h: Remove the prototype for
4189 instantiate_virtual_regs.
4191 * regmove.c (regmove_optimize, combine_stack_adjustments):
4193 * rtl.h: Remove the prototypes for regmove_optimize and
4194 combine_stack_adjustments.
4196 2006-01-17 Roger Sayle <roger@eyesopen.com>
4198 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4199 (size_cost): Encode costs in bytes so that a reg-reg addition is
4200 equivalent to COSTS_N_INSNS(1).
4201 (override_options): Use the size_cost.branch_cost as the default
4202 ix86_branch_cost when optimizing for size.
4204 2006-01-18 Ben Elliston <bje@au.ibm.com>
4206 * Makefile.in (D32PBIT_FUNCS): New.
4207 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4208 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4209 D64PBIT_FUNCS and D128PBIT_FUNCS.
4210 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4211 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4213 (decnumber_dep): Define.
4214 * doc/libgcc.texi (Decimal float library routines): New node.
4215 * config/dfp-bit.h, config/dfp-bit.c: New files.
4217 2006-01-18 Ben Elliston <bje@au.ibm.com>
4219 * expr.c (emit_move_change_mode): Always adjust addresses, not
4220 just during reload. Copy replacements only during reload.
4221 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4222 emit_move_via_integer.
4224 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4226 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4227 instead of $(srcdir) and ${srcdir}.
4229 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4233 * arm.h (struct machine_function): Add pic_reg.
4234 * arm.c (arm_pic_register): Make unsigned.
4235 (arm_override_options): Only set arm_pic_register if
4236 TARGET_SINGLE_PIC_BASE.
4237 (use_return_insn): Only test for a pic register if it is fixed.
4238 (arm_compute_save_reg0_reg12_mask): Likewise.
4239 (thumb_compute_save_reg_mask): Likewise.
4240 (legitimate_pic_operand): Factor out some known invariants.
4241 (legitimize_pic_address): If we don't have a fixed pic register,
4242 then set up a pseudo in the function entry sequence. Handle the
4243 pic base being in a pseudo.
4244 (arm_load_pic_register): Handle the pic register being in a pseudo.
4245 (arm_expand_prologue): Only set up the pic register if it is fixed.
4246 (thumb_expand_prologue): Likewise.
4247 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4248 (pic_load_addr_based_insn): Likewise.
4249 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4252 2006-01-18 Ben Elliston <bje@au.ibm.com>
4254 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4255 decimal float modes for all floating point registers.
4257 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4258 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4260 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4263 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4264 even when the pointer is not NULL.
4266 2006-01-16 Ian Lance Taylor <ian@airs.com>
4268 * common.opt (ftoplevel-reorder): New option.
4269 * cgraph.c (cgraph_asm_nodes): New global variable.
4270 (cgraph_asm_last_node): New static variable.
4271 (cgraph_order): New global variable.
4272 (cgraph_create_node): Set new order field.
4273 (cgraph_varpool_node): Likewise.
4274 (decide_is_variable_needed): Return true if not
4275 flag_toplevel_reorder.
4276 (cgraph_add_asm_node): New function.
4277 * cgraph.h (struct cgraph_node): Add order field.
4278 (struct cgraph_varpool_node): Add order field.
4279 (struct cgraph_asm_node): Define.
4280 (cgraph_asm_nodes, cgraph_order): Declare.
4281 (cgraph_add_asm_node): Declare.
4282 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4284 (cgraph_varpool_assemble_pending_decls): Call it.
4285 (cgraph_output_pending_asms): New static function.
4286 (cgraph_finalize_compilation_unit): Call it.
4287 (struct cgraph_order_sort): Define.
4288 (cgraph_output_in_order): New static function.
4289 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4290 !flag_toplevel_reorder case.
4291 * c-parser.c: Include "cgraph.h".
4292 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4294 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4295 than -fno-unit-at-a-time.
4296 * doc/invoke.texi (Option Summary): Mention
4297 -fno-toplevel-reorder.
4298 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4299 -funit-at-a-time documentation.
4301 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4302 Kazu Hirata <kazu@codesourcery.com>
4304 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4306 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4308 * Makefile.in (FUNCTION_H): New. Use it instead of
4309 function.h throughout the file.
4310 * function.h: Include tree.h.
4312 2006-01-17 Ben Elliston <bje@au.ibm.com>
4314 * recog.c: Separate some functions with whitespace.
4316 2006-01-16 Richard Henderson <rth@redhat.com>
4318 Merge from gomp branch:
4319 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4320 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4321 and rename from struct inline_data. Rename callee* to dst*;
4322 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4323 transform_new_cfg, transform_return_to_modify, and
4324 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4326 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4327 (copy_decl_for_dup): Remove.
4328 * tree-inline.c (struct inline_data): Move to header.
4329 (insert_decl_map): Export.
4330 (remap_decl): Update for member name changes. Use copy_decl hook.
4331 Allow for replacement to be a non-decl. Remove dead code.
4332 (remap_type_1): Check for existing mapping.
4333 (remap_type): Export.
4334 (remap_decls): Update for member name changes.
4335 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4336 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4337 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4338 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4339 (tree_function_versioning, build_duplicate_type): Likewise.
4340 (copy_body_r): Likewise. Export.
4341 (copy_decl_for_dup): Split into ...
4342 (copy_decl_for_dup_finish, copy_decl_to_var,
4343 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4344 (replace_ref_tree, inlining_p): Remove.
4346 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4348 * ifcvt.c (if_convert): Make it static.
4349 * rtl.h: Remove the prototype for if_convert.
4351 * local-alloc.c (local_alloc): Make it static.
4352 * rtl.h: Remove the prototype for local_alloc.
4354 * loop.c (loop_optimize): Make it static.
4355 * cfgloop.h: Remove the prototype for loop_optimize.
4358 2006-01-16 DJ Delorie <dj@redhat.com>
4360 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4363 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4365 * pa.md: Disparage copies between general and floating-point registers
4366 in 32-bit move patterns.
4368 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4371 * Makefile.in (check-%): Depend on site.exp instead of
4372 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4375 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4377 * global.c (global_alloc): Make it static.
4378 * rtl.h: Remove the prototype for global_alloc.
4380 2006-01-16 Richard Guenther <rguenther@suse.de>
4382 * tree-ssa-alias.c (struct used_part): Add write_only field.
4383 (get_or_create_used_part_for): Initialize it to true.
4384 (create_overlap_variables_for): Don't create structure variables
4385 for structures that only are written to.
4386 (find_used_portions): Handle MODIFY_EXPR to track whether a
4387 structure is only written to.
4389 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4391 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4393 * basic-block.h: Remove the prototype for
4394 partition_hot_cold_basic_blocks.
4396 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4398 * cppspec.c (lang_specific_spec_functions): Remove.
4399 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4400 * gcc.h (lang_specific_spec_functions): Remove.
4401 * gccspec.c (lang_specific_spec_functions): Remove.
4403 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4405 * combine.c (record_value_for_reg): Invalidate registers
4407 (record_dead_and_set_regs_1): Likewise, by passing them to
4408 record_value_for_reg.
4409 (record_dead_and_set_regs): Invalidate stores made by a
4410 call. We do not combine across a call, but we still
4411 relied on equivalences.
4413 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4415 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4416 vrp_int_const_binop returning non-constant nodes.
4418 2006-01-16 Paul Brook <paul@codesourcery.com>
4420 * config/m68k/m68k.c (output_move_const_into_data_reg):
4421 Output correct mnemonic for mvz and mvs.
4423 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4425 * rtl-factoring.c: Add sequence abstraction algorithm.
4426 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4427 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4429 (block_has_preserve_label): New function.
4430 * common.opt: Register new pass.
4431 * Makefile.in: Ditto.
4433 * timevar.def: Ditto.
4434 * tree-pass.h: Ditto.
4435 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4436 * rtl.h (make_jump_insn_raw): Add forward decl.
4437 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4439 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4440 Roger Sayle <roger@eyesopen.com>
4442 * fold-const.c (fold_minmax): New static function.
4443 (fold_binary) <MIN_EXPR>: Call it.
4444 <MAX_EXPR>: Likewise.
4445 * stor-layout.c (place_field): Use DECL_SIZE consistently
4446 in the computation of the new record size.
4448 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4450 * cse.c (cse_condition_code_reg): Make it static.
4451 * rtl.h: Remove the prototype for cse_condition_code_reg.
4453 * combine.c (combine_instructions): Make it static.
4454 * rtl.h: Remove the prototype for combine_instructions.
4456 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4459 * tree.c (get_file_function_name_long): Concatenate the first global
4460 object name with a string derived from the input filename of the object
4463 2006-01-16 Ben Elliston <bje@au.ibm.com>
4465 * config/i386/winnt-stubs.c: Update FSF address.
4466 * config/xtensa/ieee754-df.S: Ditto.
4467 * config/xtensa/ieee754-sf.S: Ditto.
4469 2006-01-14 Ian Lance Taylor <ian@airs.com>
4471 * ifcvt.c (noce_init_if_info): New static function, broken out of
4472 noce_process_if_block.
4473 (noce_process_if_block): Call noce_init_if_info.
4474 (check_cond_move_block): New static function.
4475 (cond_move_process_if_block): New static function.
4476 (process_if_block): Call cond_move_process_if_block.
4478 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4480 * cselib.c (hash_table): Rename to cselib_hash_table.
4481 (cselib_clear_table, discard_useless_values,
4482 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4483 cselib_init, cselib_finish): Adjust uses of hash_table.
4485 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4487 PR tree-optimization/25485
4488 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4489 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4490 is known to be false and true, respectively.
4492 2006-01-14 Richard Guenther <rguenther@suse.de>
4494 PR tree-optimization/22548
4495 PR tree-optimization/22555
4496 PR tree-optimization/22501
4497 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4498 * params.def (salias-max-array-elements): New parameter.
4499 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4500 * doc/invoke.texi (salias-max-array-elements): Document.
4501 * tree-flow-inline.h (var_can_have_subvars): We also handle
4503 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4505 * tree-ssa-structalias.c (params.h): Include.
4506 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4507 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4508 (get_constraint_for): For ADDR_EXPR operating on something
4509 containing an ARRAY_REF, add all subvars to the solution.
4510 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4511 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4512 for creating MUST_DEFs.
4513 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4515 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4517 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4519 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4520 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4521 number_of_iterations_le): New functions.
4522 (number_of_iterations_special): Removed.
4523 (number_of_iterations_exit): Do not use number_of_iterations_special.
4524 * tree.c (unsigned_type_for): Always return integer type.
4526 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4527 Richard Guenther <rguenther@suse.de>
4529 PR rtl-optimization/24257
4530 * gcse.c (find_moveable_store): Only consider a store movable
4531 when the SET_SRC of the insn can be assigned to a register.
4533 2006-01-14 Ian Lance Taylor <ian@airs.com>
4535 * tree.c (tree_not_class_check_failed): New function.
4536 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4537 (tree_not_class_check_failed): Declare.
4539 2006-01-13 Ian Lance Taylor <ian@airs.com>
4541 * reload1.c (do_output_reload): Add assertion rejecting a
4544 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4546 * combine.c (struct reg_stat): Add new fields truncation_label and
4548 (record_value_for_reg): Reset truncated_to_mode.
4549 (record_truncated_value): New function.
4550 (check_promoted_subreg): Call it. Rename to check_conversions.
4551 (combine_instructions): Rename check_promoted_subreg to
4553 (reg_truncated_to_mode): New function.
4554 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4555 (gen_lowpart_or_truncate): New function.
4556 (force_to_mode): Use it instead of gen_lowpart.
4558 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4560 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4561 VAR is a tag, not its type tag.
4563 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4565 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4566 alternatives to match style of other entries.
4567 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4569 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4571 PR tree-optimization/25771
4572 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4575 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4578 * tree-inline.c (declare_return_variable): If the return variable
4579 was marked as a non gimple complex, set the return slot variable
4580 to be a non gimple comple variable.
4582 2006-01-13 Richard Guenther <rguenther@suse.de>
4584 * builtins.c (expand_builtin_sincos): New function.
4585 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4587 (expand_builtin): Expand sincos using expand_builtin_sincos.
4589 2006-01-12 DJ Delorie <dj@redhat.com>
4591 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4592 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4593 so that constant shifts can be split.
4594 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4595 (m32c_valid_pointer_mode): Make static.
4596 (shift_gen_func_for): New.
4597 (m32c_prepare_shift): Use it. Split large const shifts into
4599 * config/m32c/predicates.md (shiftcount_operand): Allow more
4601 (longshiftcount_operand): New.
4602 * doc/md.texi (Machine Constraints): Document In6.
4604 2006-01-13 Ben Elliston <bje@au.ibm.com>
4606 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4607 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4610 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4612 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4613 to try to avoid clobbering pieces of structures when we know
4614 something about the whole structure.
4615 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4617 2006-01-13 Ben Elliston <bje@au.ibm.com>
4619 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4620 return in memory, as this is no limitation is no longer present.
4622 2006-01-12 DJ Delorie <dj@redhat.com>
4624 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4625 mova with fb, and for fb+0 -> An.
4627 * config/m32c/mov.md (peephole2): Fix enabling logic.
4629 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4630 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4631 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4632 FINI_ARRAY_SECTION_ASM_OP): Define.
4634 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4636 (m32c_legitimize_reload_address): New logic to reload FB to An.
4637 (m32c_output_reg_push): Add newline.
4638 (m32c_output_reg_pop): Likewise.
4640 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4642 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4644 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4646 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4648 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4650 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4653 2006-01-11 Ben Elliston <bje@au.ibm.com>
4655 * rtlanal.c (find_reg_note): Assert insn is not null.
4657 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4659 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4662 2006-01-11 Jeff Law <law@redhat.com>
4664 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4666 (mark_threaded_blocks, register_jump_thread): New functions.
4667 (thread_through_all_blocks): Remove unwanted argument. No
4668 longer rely on e->aux to communicate thread target info.
4669 Call mark_threaded_blocks. Release the threaded_blocks
4670 bitmap and threaded_edges vector when complete.
4671 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4672 (threaded_blocks): Remove.
4673 (tree_ssa_dominator_optimize): Remove initialization and
4674 finalization of threaded_blocks. Simplify call to
4675 thread_through_all_blocks.
4676 (thread_across_edge): Call register_jump_thread rather than
4677 storing thread information into e->aux.
4678 (free_all_edge_infos): Simplify now that e->aux is no longer
4679 used to communicate with thread_through_all_blocks.
4680 * tree-flow.h (thread_through_all_blocks): Update prototype.
4681 (register_jump_thread): Prototype.
4683 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4685 * df-core.c (df_compact_blocks, df_bb_replace): Use
4686 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4688 2006-01-11 Richard Guenther <rguenther@suse.de>
4690 PR tree-optimization/25734
4691 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4692 stop propagation after successful propagation to the LHS.
4694 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4696 * basic-block.h (control_flow_graph): Change the type of
4697 x_basic_block_info to VEC(basic_block,gc) *.
4698 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4700 (SET_BASIC_BLOCK): New.
4701 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4702 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4703 * cfgbuild.c (find_basic_blocks): Likewise.
4704 * cfglayout.c (fixup_reorder_chain): Likewise.
4705 * cfgrtl.c (create_basic_block_structure,
4706 rtl_create_basic_block): Likewise.
4707 * ifcvt.c (find_if_case_1): Likewise.
4708 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4711 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4713 * Makefile.in: Removed rotted odf.c entry.
4715 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4718 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4719 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4720 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4721 output pattern modifier, not %e.
4722 * config/cris/cris.c (cris_op_str): Update comment about pattern
4724 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4725 before falling through into...
4726 <case 'E'>: Redefined from old 'e' case.
4728 2006-01-11 Jan Hubicka <jh@suse.cz>
4731 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4733 2006-01-11 Jan Hubicka <jh@suse.cz>
4735 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4736 * i386.c (x86_decompose_lea): Kill.
4737 (ix86_rtx_costs): Kill.
4739 2006-01-11 Jan Hubicka <jh@suse.cz>
4741 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4742 * cgraph.h (cgraph_node): Add inline_decl.
4743 (cgraph_insert_node_to_hashtable): Declare.
4744 (save_inline_function_body): Declare.
4745 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4747 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4748 (cgraph_function_versioning): Update call of tree_function_versioning.
4749 (save_inline_function_body): New function.
4750 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4751 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4752 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4753 (cgraph_default_inline_p): Likewise.
4754 (cgraph_decide_inlining_incrementally): Likewise.
4755 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4756 (copy_bb): Kill saving; do updating of clones.
4757 (copy_cfg_body): Kill saving.
4758 (initialize_inlined-parameters): Likewise.
4759 (expand_call_inline): Likewise.
4761 (tree_function_versioning): New parameter "update_clones".
4762 (inlining_p): Kill saving.
4763 * tree-inline.h (tree_function_versioning): Update prototype.
4764 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4767 2006-01-11 Ian Lance Taylor <ian@airs.com>
4769 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4770 Allow undoing set of machine mode.
4771 (do_SUBST): Use enums instead of is_int.
4772 (do_SUBST_MODE): New function.
4773 (SUBST_MODE): New macro.
4774 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4775 reg and trying to replace reg_regno_rtx with a new register.
4776 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4777 (simplify_set): Use SUBST_MODE.
4778 (distribute_notes): Remove code that tried to update reg notes
4779 for regno_reg_rtx changes.
4781 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4783 PR tree-optimization/23109
4784 PR tree-optimization/23948
4785 PR tree-optimization/24123
4787 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4788 * tree-cfg.c (single_noncomplex_succ): New.
4789 * tree-flow.h (single_noncomplex_succ): Declare it.
4790 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4791 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4792 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4793 insert_bb, register_division_in, insert_reciprocals,
4794 replace_reciprocal, free_bb): New.
4795 (execute_cse_reciprocals_1): Rewritten.
4796 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4797 Do not commit any edge insertion. Always compute dominators and
4798 create the allocation pool.
4799 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4800 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4801 * targhooks.c (default_min_divistions_for_recip_mul): New.
4802 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4803 * passes.c (init_optimization_passes): Run recip after tree loop
4805 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4807 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4808 Kenneth Zadeck <zadeck@naturalbridge.com>
4810 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4811 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4812 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4813 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4814 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4815 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4816 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4817 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4818 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4819 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4820 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4821 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4822 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4823 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4824 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4825 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4826 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4827 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4828 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4829 DF_SCAN_POST_ALLOC): New macros.
4830 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4831 df_free_bb_function, df_local_compute_function, df_init_function,
4832 df_dataflow_function, df_confluence_function_0,
4833 df_confluence_function_n, df_transfer_function,
4834 df_finalizer_function, df_free_function, df_dump_problem_function,
4835 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4836 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4837 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4838 df_urec_bb_info, ) New types.
4839 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4841 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4842 df_analyze_simple_change_some_blocks,
4843 df_analyze_simple_change_one_block, df_compact_blocks,
4844 df_bb_replace, df_bb_regno_last_use_find,
4845 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4846 df_insn_regno_def_p, df_find_def, df_find_use,
4847 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4848 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4849 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4850 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4851 debug_df_chain, df_get_dependent_problem, df_chain_create,
4852 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4853 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4854 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4855 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4856 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4857 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4858 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4859 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4860 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4861 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4862 df_reorganize_refs, df_set_state, df_hard_reg_init,
4863 df_read_modify_subreg_p) New public functions.
4864 * df-core.c: The core dataflow solver and glue routines for rtl
4866 (df_init, df_add_problem, df_set_blocks, df_finish,
4867 df_hybrid_search_forward, df_hybrid_search_backward,
4868 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4869 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4870 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4871 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4872 df_reg_defined, df_find_use, df_reg_used, df_dump,
4873 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4874 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4875 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4876 debug_df_useno, reset_df_after_reload): New functions.
4877 * df-scan.c: The scanning fuctions, once in df.c, completely
4878 rewritten so that they now fully model the functionality of
4879 register usage at the backend.
4880 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4881 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4882 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4883 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4884 df_get_artificial_defs, df_get_artificial_uses,
4885 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4886 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4887 df_refs_delete, df_reorganize_refs, df_set_state,
4888 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4889 df_def_record_1, df_defs_record, df_uses_record,
4890 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4891 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4892 df_record_exit_block_uses, df_hard_reg_init): New functions.
4894 * df-problems.c: Seven concrete dataflow problems that use the
4895 scanning in df-scan.c and are solved by the engine in df-core.c.
4896 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4897 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4898 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4899 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4900 df_ru_free_bb_info, df_ru_alloc,
4901 df_ru_bb_local_compute_process_def,
4902 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4903 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4904 df_ru_transfer_function, df_ru_free, df_ru_dump,
4905 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4906 df_rd_free_bb_info, df_rd_alloc,
4907 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4908 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4909 df_rd_transfer_function, df_rd_free, df_rd_dump,
4910 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4911 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4912 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4913 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4914 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4915 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4916 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4917 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4918 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4919 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4920 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4921 df_urec_mark_reg_use_for_earlyclobber,
4922 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4923 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4924 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4925 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4926 df_chain_create_bb_process_use, df_chain_create_bb,
4927 df_chain_finalize, df_chain_free, df_chains_dump,
4928 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4929 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4930 df_reg_lifetime): New functions.
4931 * df.c: Deleted file.
4932 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4933 consistent with new df api.
4934 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4935 rest_of_handle_sms): Ditto.
4936 * web.c (unionfind_union, union_defs, entry_register, web_main):
4938 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4939 invariant_expr_equal_p, find_defs, check_dependencies,
4940 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4941 free_inv_motion_data, move_loop_invariants): Ditto.
4942 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4943 Update dependencies.
4944 (odf.c): Added defective entry that was deleted later in day.
4945 * sched-deps.c (sched_analyze_1): Ditto.
4947 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4949 * tree-ssa-operands.c (get_expr_operands): Record addressable
4950 variables directly. Do not call add_stmt_operands for CONST_DECLs
4952 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4953 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4955 2006-01-11 Ben Elliston <bje@au.ibm.com>
4957 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4958 function returns true in the positive case.
4960 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4963 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4964 for SI, DI, SF and DF modes. Add alternatives to copy between
4965 general and floating point registers to the 32-bit patterns.
4966 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4967 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4968 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4969 generating 64-bit code.
4970 * config/pa/pa.c (output_move_double): Handle copies between general
4971 and floating registers.
4973 2006-01-10 Stuart Hastings <stuart@apple.com>
4975 * config/i386/i386.md (set_got): Update.
4976 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4977 (builtin_setjmp_receiver): Mach-O support.
4978 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4979 (GOT_SYMBOL_NAME): Define.
4980 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4981 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4982 * config/i386/i386.c (override_options): Revise for Darwin.
4983 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4984 support. (darwin_x86_file_end): New. (output_set_got): Add label
4985 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4986 * config/i386/i386-protos.h (output_set_got): Likewise.
4987 * config/darwin.c (machopic_legitimize_pic_address): Update
4990 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4992 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4993 when MODE isn't BLKmode.
4995 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4997 PR rtl-optimization/25367
4998 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5000 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5003 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5004 for a negative bound.
5006 2006-01-10 Richard Guenther <rguenther@suse.de>
5008 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5009 Never override with anything constraint.
5011 2006-01-10 Jan Beulich <jbeulich@novell.com>
5013 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5014 256 bits when optimize_size.
5016 2006-01-10 Jan Beulich <jbeulich@novell.com>
5018 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5020 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5021 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5024 2006-01-10 Ben Elliston <bje@au.ibm.com>
5026 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5028 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5029 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5030 (USE_FP_FOR_ARG): Reject decimal float modes.
5031 (function_arg_advance): Likewise.
5032 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5033 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5034 point types in AltiVec vectors.
5035 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5036 (rs6000_libcall_value): Likewise.
5038 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5040 * config/xtensa/ieee754-df.S: New file.
5041 * config/xtensa/ieee754-sf.S: New file.
5042 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5043 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5044 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5046 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5048 * config/sh/predicates.md (binary_float_operator,
5049 binary_logical_operator, commutative_float_operator,
5050 equality_comparison_operator, greater_comparison_operator,
5051 less_comparison_operator, logical_operator,
5052 noncommutative_float_operator, shift_operator,
5053 symbol_ref_operand, unary_float_operator): Remove redundant
5056 2006-01-09 Jeff Law <law@redhat.com>
5058 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5059 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5060 now unused arguments. Callers updated.
5061 (eliminate_redundant_computations): Remove now unused arguments,
5063 (local_fold): Remove, no longer used.
5064 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5066 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5067 (simplify_cond): New function.
5068 (forward_propagate_into_cond): Call simplify_cond.
5070 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5072 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5073 (*vec_extractv2di_1_sse): New.
5075 2006-01-09 Ben Elliston <bje@au.ibm.com>
5077 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5079 2006-01-08 Richard Guenther <rguenther@suse.de>
5081 * tree-ssa-structalias.c (get_constraint_for): Remove
5083 (get_constraint_for_component_ref): Likewise.
5084 (do_deref): Likewise.
5085 (get_constraint_for): Likewise.
5086 (do_structure_copy): Likewise.
5087 (handle_ptr_arith): Likewise.
5088 (find_func_aliases): Likewise. Remove unused need_anyoffset
5091 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5092 Kaz Kojima <kkojima@gcc.gnu.org>
5094 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5095 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5096 (EXTRA_CONSTRAINT_C16): Remove.
5097 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5098 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5099 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5100 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5101 constants of SHmedia. Handle nested constant expressions of
5103 (andcosts): Fix the costs for SHmedia constants.
5104 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5105 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5106 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5107 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5108 (movv4hi_i, movv2si_i): Likewise.
5109 (movsi_const): Adjust the second operand of ior so to match with
5111 (movdi_const, movdi_const_32bit): Likewise.
5112 (movdi_const_16bit+1): Don't sign-extend LOW.
5113 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5115 (*double_shori): Fix the split condition. Use GEN_INT instead
5116 of get_int_mode calls. Mask lower 16-bit of the argument of
5118 (sym2GOTPLT): Remove.
5119 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5121 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5122 instead of EXTRA_CONSTRAINT_C16.
5124 2006-01-07 Ian Lance Taylor <ian@airs.com>
5125 David Edelsohn <edelsohn@gnu.org>
5127 PR rtl-optimization/25662
5128 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5129 for constant operands instead of simplify_gen_binary.
5130 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5131 after trying simplify_binary_operation
5133 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5135 * tree.c (iterative_hash_expr): Hash decls based on UID.
5137 2006-01-06 Eric Christopher <echristo@apple.com>
5139 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5140 (TARGET_UNWIND_EMIT): Fix spelling.
5141 * target.h (gcc_target): Add except_table_label.
5142 * except.c (output_function_exception_table): Use.
5143 * varasm.c (default_emit_except_table_label): New.
5144 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5146 (asm_out): Add here.
5147 * output.h (default_emit_except_table_label): Prototype.
5148 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5149 * config/darwin.c (darwin_emit_except_table_label): Define.
5150 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5152 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5154 PR tree-optimization/18527
5155 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5156 number_of_iterations_special, number_of_iterations_exit):
5157 Move base and step of an iv to a single structure. Add
5158 no_overflow flag, and use it in # of iterations analysis.
5159 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5160 folded_casts argument.
5161 (simple_iv): Pass base and step in a structure. Set no_overflow
5163 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5164 Evaluate expensiveness of computing # of iterations instead of
5165 the final expression.
5166 * tree-scalar-evolution.h (affine_iv): New structure.
5167 (simple_iv): Declaration changed.
5168 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5169 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5170 find_givs_in_stmt): Changed due to simple_iv change.
5172 2006-01-06 Jeff Law <law@redhat.com>
5175 * tree-cfg.c (bsi_replace): Rename final argument from
5176 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5177 change (stmt -> orig_stmt).
5178 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5179 (bsi_remove): Add new argument. Remove EH information
5181 (verify_eh_throw_table_statements): New function.
5182 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5184 * tree-optimize.c (execute_free_cfg_annotations): Verify
5185 the EH throw statement table after removing annotations.
5186 * except.h (verify_eh_throw_table_statements): Prototype.
5187 * tree-flow.h (bsi_remove): Update prototype.
5188 * tree-vrp.c (remove_range_assertions): Add new argument to
5190 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5191 * tree-complex.c (expand_complex_div_wide): Likewise.
5192 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5193 * tree-tailcall.c (eliminate_tailcall): Likewise.
5194 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5195 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5196 * tree-nrv.c (tree_nrv): Likewise.
5197 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5198 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5199 (combine_blocks): Likewise.
5200 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5201 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5202 (cleanup_control_flow): Likewise.
5203 (remove_forwarder_block): Likewise.
5204 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5205 * tree-sra.c (sra_replace): Likewise.
5206 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5207 (forward_propagate_single_use_vars): Likewise.
5208 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5209 * tree-inline.c (expand_call_inline): Likewise.
5210 * tree-vect-transform.c (vect_transform_loop): Likewise.
5211 * tree-outof-ssa.c (rewrite_trees): Likewise.
5212 * tree-cfg.c (make_goto_expr_edges): Likewise.
5213 (cleanup_dead_labels): Likewise.
5214 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5215 (bsi_move_before, bsi_move_after): Likewise.
5216 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5217 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5219 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5222 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5224 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5225 on non gimple variables. Also add checks at the top for decls and
5227 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5229 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5230 and IMAGPART_EXPR for creating MUST_DEFs.
5231 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5232 and NAME_MEMORY_TAG separately from the DECLs.
5234 2006-01-06 Richard Guenther <rguenther@suse.de>
5236 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5237 annotation, if necessary.
5238 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5239 redundant calls to update_stmt.
5240 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5243 2006-01-05 Richard Henderson <rth@redhat.com>
5245 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5247 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5249 * c-typeck.c: Update copyright date.
5251 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5253 * c-typeck.c (build_c_cast): Always warn when casting
5254 from a pointer to an integer of different size, even if
5255 the node was constant.
5257 2006-01-05 Richard Guenther <rguenther@suse.de>
5259 PR tree-optimization/22555
5260 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5261 if one structure field is an array.
5262 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5263 operands even if we found a subvar, but ignore VOPs in this
5265 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5267 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5269 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5272 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5274 2006-01-05 Richard Guenther <rguenther@suse.de>
5275 Diego Novillo <dnovillo@redhat.com>
5277 * tree-pass.h (TODO_remove_unused_locals): Define.
5278 * gimple-low.c (expand_var_p, remove_useless_vars,
5279 pass_remove_useless_vars): Remove. Update all users.
5280 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5281 (remove_unused_locals): New function.
5282 * tree-flow.h (remove_unused_locals): Declare.
5283 * passes.c (execute_todo): Call remove_unused_locals if
5284 TODO_remove_unused_locals is set.
5285 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5286 * tree-ssa-dce.c (pass_dce): Likewise.
5287 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5289 2006-01-05 Richard Guenther <rguenther@suse.de>
5291 * tree-flow.h (struct fieldoff): Decompose field to
5292 type, size and decl.
5293 * tree-ssa-alias.c (create_sft): Take type as parameter.
5294 (create_overlap_variables_for): Store type, size and decl
5295 in the fieldoff structure.
5296 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5298 (push_fields_onto_fieldstack): Likewise.
5299 (create_variable_info_for): Likewise. Use offset for the
5300 SFT name if the decl is not available.
5302 2006-01-04 Paul Brook <paul@codesourcery.com>
5304 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5306 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5308 * lambda-code.c (can_put_in_inner_loop): Relax
5310 (can_put_after_inner_loop): New function.
5311 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5312 (perfect_nestify): Change to make copies and modify uses.
5314 2006-01-04 Richard Henderson <rth@redhat.com>
5316 Merge from gomp branch:
5317 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5318 via integer constant.
5319 (pragma_lex): Remove.
5320 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5321 rather than parsing it.
5322 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5323 handle_pragma_extern_prefix): Add %< %> quotes.
5324 (registered_pragmas): New.
5325 (c_register_pragma_1): New.
5326 (c_register_pragma): Use it.
5327 (c_register_pragma_with_expansion): Likewise.
5328 (c_invoke_pragma_handler): New.
5329 (init_pragma): Use cpp_register_deferred_pragma directly for
5331 * c-pragma.h (enum pragma_kind): New.
5332 (pragma_handler): New.
5333 (c_invoke_pragma_handler): Declare.
5334 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5336 * c-common.h (c_common_pch_pragma): Update decl.
5337 * Makefile.in (c-parser.o): Update dependencies.
5338 (GTFILES): Add c-pragma.h.
5339 * c-parser.c (struct c_token): Add pragma_kind.
5340 (struct c_parser): Add in_pragma.
5341 (c_lex_one_token): Always initialize keyword and pragma_kind.
5342 Extract data for CPP_PRAGMA.
5343 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5344 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5345 Don't allow CPP_PRAGMA_EOL if in_pragma.
5346 (c_parser_consume_pragma): New.
5347 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5348 (c_parser_skip_to_end_of_parameter): Likewise.
5349 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5350 (c_parser_skip_to_pragma_eol): New.
5351 (c_parser_external_declaration): Handle CPP_PRAGMA.
5352 (c_parser_compound_statement_nostart): Likewise.
5353 (c_parser_statement_after_labels): Likewise.
5354 (c_parser_pragma): New.
5355 (pragma_lex): Likewise.
5356 (c_parser_pragma_pch_preprocess): New.
5357 (c_parser_new): Merge into ...
5358 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5360 2006-01-04 Jeff Law <law@redhat.com>
5363 * tree-cfg.c (bsi_replace): Remove the original statement
5364 from the EH throw statement table.
5366 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5368 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5369 make the prototype extern "C" and add throw ().
5372 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5373 and pos non-negative and pos + len <= 32.
5374 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5375 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5376 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5379 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5380 as well as sizes not multiple of component size.
5383 * function.c (instantiate_expr): New function.
5384 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5385 walk its DECL_VALUE_EXPR with instantiate_expr.
5387 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5388 DW_OP_deref{,_size} if address isn't going to be added.
5390 2006-01-04 Ben Elliston <bje@au.ibm.com>
5392 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5393 * config/fp-bit.c: Likewise.
5395 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5397 * dominance.c: Add comment about why we use DFS numbering
5400 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5401 Richard Henderson <rth@redhat.com>
5403 Merge from gomp-branch:
5404 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5405 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5407 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5409 PR rtl-optimization/25578
5410 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5411 pass a parameter to simplify_shift_const if changing ASHIFTRT
5414 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5416 * builtins.c (get_builtin_sync_mem): New function.
5417 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5418 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5419 Call get_builtin_sync_mem to generate mem rtx.
5421 2006-01-03 Richard Guenther <rguenther@suse.de>
5424 * stmt.c (add_case_node): Make sure to clear overflow flags
5427 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5429 Merge from gomp-branch.
5430 * config/sparc/sync.md: New file.
5431 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5432 UNSPECV_LDSTUB): New constants.
5433 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5434 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5435 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5438 2006-01-03 Roger Sayle <roger@eyesopen.com>
5440 * combine.c (reg_subword_p): New predicate to test whether the
5441 destination of a set refers to a subword/piece of a register.
5442 (try_combine): Generalize the code to merge the setting of a
5443 pseudo to a constant followed by a set of a subword of that
5444 register to a constant.
5446 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5448 * basic-block.h (control_flow_graph): Change the type of
5449 x_label_to_block_map to VEC(basic_block,gc) *.
5450 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5451 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5453 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5454 VEC(basic_block,heap) *.
5455 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5456 ssa_prop_fini): Adjust the uses of cfg_blocks.
5458 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5460 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5462 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5463 hashing trees instead of a pointer hash.
5464 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5465 compare for MEM_EXPR.
5467 PR rtl-optimization/25130
5468 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5469 when comparing MEMs for GCSE
5471 2006-01-03 Ben Elliston <bje@au.ibm.com>
5473 * targhooks.h (default_decimal_float_supported_p): Declare.
5474 * targhooks.c (default_decimal_float_supported_p): Define.
5475 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5476 `default_decimal_float_supported_p'.
5477 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5479 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5481 * combine.c (apply_distributive_law <SUBREG>): Check
5482 TRULY_NOOP_TRUNCATION.
5484 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5486 * dwarf2out.c (have_switched_text_section): Delete.
5487 (have_multiple_function_sections): New.
5488 (have_location_lists): Make 'bool'.
5489 (add_AT_loc_list): Use 'true' not '1'.
5490 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5491 (output_loc_list): Use have_multiple_function_sections.
5492 (output_ranges): Likewise.
5493 (dwarf2out_begin_function): Set have_multiple_function_sections if
5495 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5496 Check function_section rather than DECL_SECTION_NAME.
5497 (dwarf2out_finish): Use have_multiple_function_sections.
5498 Don't clear have_location_lists.
5500 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5501 Jan Hubicka <jh@suse.cz>
5503 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5504 case of conditional jump jumping to the next instruction.
5505 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5506 cases of conditional jump jumping to the next instruction.
5508 2006-01-02 Jan Hubicka <jh@suse.cz>
5510 * i386.c (*_cost): Add COSTS_N_INSNS.
5511 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5513 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5516 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5518 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5520 * config/arm/arm.c (all_fpus): Fix comment typo.
5521 * config/darwin.c: Likewise.
5522 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5523 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5524 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5526 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5528 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5529 (rs6000_split_compare_and_swapqhi): New.
5530 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5531 (sync_compare_and_swapqhi_internal): New.
5532 * config/rs6000/rs6000-protos.h: Declare.