1 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3 * configure.ac: Add --with{,out}-long-double-128 configure option.
4 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7 * doc/install.texi (Options specification): Document
8 --with-long-double-128.
10 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17 * config/s390/s390.c (override_options): Handle
18 TARGET_DEFAULT_LONG_DOUBLE_128.
20 * config/alpha/alpha.c (override_options): Handle
21 TARGET_DEFAULT_LONG_DOUBLE_128.
23 * config/sparc/sparc.c (sparc_override_options): Handle
24 TARGET_DEFAULT_LONG_DOUBLE_128.
26 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
28 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
29 (real-install-headers-tar, real-install-headers-cpio)
30 (real-install-headers-cp): New targets.
32 2006-02-22 Richard Sandiford <richard@codesourcery.com>
34 * tree.h (variable_section): Delete.
35 * varasm.c (variable_section): Delete.
37 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
39 * install.texi: Add notes on install.texi2html.
40 (Building in parallel): Do not use footnotes.
42 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
45 * doc/install.texi (Configuration): Document --disable-libgomp.
47 2006-02-21 Geoffrey Keating <geoffk@apple.com>
49 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
51 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
53 * config/i386/sse.md (vec_extractv2df_1_sse): New.
54 (vec_extractv2df_0_sse): New.
56 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
58 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
59 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
60 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
61 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
62 to the result of the expression.
64 (frame_pointer_cfa_offset): Rename to...
65 (frame_pointer_fb_offset): ... this. Adjust all uses.
66 (convert_cfa_to_loc_list): Rename to...
67 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
68 Pass it on to build_cfa_loc.
69 (compute_frame_pointer_to_cfa_displacement): Rename to...
70 (compute_frame_pointer_to_fb_displacement): ... this. New
71 offset parameter. Use it in computation.
72 (gen_subprogram_die): Compute cfa_fb_offset with the new
73 macro, and use it to compute the fb loc list and the
76 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
78 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
79 replaced with register_operand.
80 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
81 non-DREG is expensive.
82 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
83 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
86 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
88 * doc/install.texi2html: Use set -e.
90 2006-02-21 Richard Sandiford <richard@codesourcery.com>
92 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
93 (ASM_OUTPUT_SHARED_LOCAL): Delete.
94 * doc/invoke.texi (-fshared-data): Delete.
95 * common.opt (fshared-data): Delete.
96 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
97 (assemble_static_space): Remove #if 0 code.
98 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
99 (ASM_OUTPUT_SHARED_LOCAL): Poison.
100 * config/cris/cris.h: Remove FIXME.
102 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
104 * doc/sourcebuild.texi (Front End Directory): No more double-colon
107 2006-02-21 Jakub Jelinek <jakub@redhat.com>
110 * combine.c (simplify_shift_const_1): Disable nested shifts
111 optimization for vector shifts.
113 2006-02-20 Roger Sayle <roger@eyesopen.com>
115 PR tree-optimization/26361
116 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
117 of unsigned integer types.
119 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
121 * tree-chrec.c (eq_evolutions_p): New.
122 * tree-chrec.h (eq_evolutions_p): Declared.
123 * tree-data-ref.c: Fix formatting.
124 (datadep_stats, dependence_stats): New.
126 (print_direction_vector): New.
127 (dump_data_dependence_relation): Use print_direction_vector.
128 (object_analysis, create_data_ref): Handle COMPONENT_REF.
129 (compute_subscript_distance): Static.
130 (initialize_data_dependence_relation): Static. Get the number
131 of loops surrounding the references from the callers, and initialize
132 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
133 base_object_differ_p analyzers.
134 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
135 compute_overlap_steps_for_affine_1_2,
136 analyze_subscript_affine_affine): Count the classified dependences.
137 Print a message when a test failed.
138 (can_use_analyze_subscript_affine_affine): New.
139 (analyze_siv_subscript): Compute the data dependences on symbolic
140 scevs that verify can_use_analyze_subscript_affine_affine.
141 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
142 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
143 Handle symbolic scevs.
144 (analyze_overlapping_iterations): Let symbolic affine scevs to be
146 (subscript_dependence_tester): Moved...
147 (build_classic_dist_vector, build_classic_dir_vector): Don't use
148 lambda_vector_clear on newly allocated vectors. Get nb_loops from
149 DDR_SIZE_VECT instead of getting it in parameter.
150 (subscript_dependence_tester): ... here. Take as a parameter
151 loop_nest_depth. Call build_classic_dist_vector and
152 build_classic_dir_vector.
153 (compute_affine_dependence): Update subscript_dependence_tester
154 parameters. Update datadep_stats counters. Call
155 compute_subscript_distance.
156 (compute_self_dependence): Save the dist and dir vectors. Call
157 compute_subscript_distance.
158 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
159 (compute_all_dependences): Reorder parameters as they were before
160 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
161 compute_subscript_distance. Update the use of
162 compute_affine_dependence and initialize_data_dependence_relation.
163 (find_data_references_in_loop): Handle COMPONENT_REF.
164 (compute_data_dependences_for_loop): Initialize dependence_stats.
165 Don't call build_classic_dist_vector and build_classic_dir_vector.
166 Update the parameters of initialize_data_dependence_relation and
167 compute_all_dependences. Print the statistics from datadep_stats.
168 (analyze_all_data_dependences): Static. Not used until the pass for
169 checking the data dependences is contributed.
170 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
171 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
172 (initialize_data_dependence_relation, compute_affine_dependence,
173 analyze_all_data_dependences, compute_subscript_distance): Removed.
174 (print_direction_vector): New.
175 * lambda.h (gcd): ... here.
176 (lambda_vector_gcd): Moved here from gcd_vector.
177 * lambda-code.c (gcd, gcd_vector): Removed.
178 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
179 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
181 2006-02-20 Diego Novillo <dnovillo@redhat.com>
183 * ipa-type-escape.c: Tidy some comments and white space.
184 * tree-ssa-operands.c: Likewise.
186 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
189 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
190 (dump_decl_name): Do not walk the decl tree chains.
191 * tree-pass.h (TDF_CHAIN): Remove.
193 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
195 * Makefile.in (C): Remove
197 (.PHONY): Remove C and PROTO
199 2006-02-20 Roger Sayle <roger@eyesopen.com>
202 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
203 deprecated CHAR_TYPE tree code.
205 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
207 * configure.ac (target_list): Add install-info, dvi, html.
208 * configure: Regenerate.
210 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
211 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
212 treelang/Make-lang.in: Do not use double-colon rules.
214 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
216 * tree.h (struct tree_memory_tag): Add is_used_alone member.
217 (TMT_USED_ALONE): New macro.
218 * tree-pass.h (PROP_tmt_usage): New property.
219 (TODO_update_tmt_usage): New todo.
220 * tree-ssa-alias.c (updating_used_alone): New variable.
221 (recalculate_used_alone): New function.
222 (compute_may_aliases): Set updating_used_alone, call
223 recalculate_used_alone.
224 * tree-sra.c (pass_sra): Note that this pass destroys
225 PROP_tmt_usage, and add TODO_update_tmt_usage.
226 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
227 * tree-flow.h (updating_used_alone): Prototype.
228 (recalculate_used_alone): Ditto.
229 * passes.c (execute_todo): Add code to set updating_used_alone,
230 and call recalculate.
231 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
232 for clobber if used alone, and add assert to verify used_alone
235 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
237 * config/s390/s390.c (legitimize_pic_address): Assertions checking
238 for non tls symbols added.
239 (legitimize_address): Do nothing for PLUS expressions if one of the
240 addends is a tls symbol reference.
242 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
246 * Makefile.in (LDFLAGS): Define from autoconf substitution.
248 * Makefile.in (BOOTSTRAPPING): New.
249 (quickstrap): New definition if BOOTSTRAPPING=yes.
251 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
252 * configure.ac: Substitute all_selected_languages with the languages
253 that were configured. For all the other variables except
254 lang_specs_files, include all the languages in the tree.
255 * configure: Regenerate.
257 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
258 if there is one. Run the commands to run fixincludes in the same
261 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
262 * doc/install.texi: Document exact conventions for searching target tools.
263 Document --with-build-time-tools. Document toplevel bootstrap. Document
264 something more about building an Ada cross-compiler. Don't list GNU Make
265 requirements which affect all platforms.
267 2006-02-19 Roger Sayle <roger@eyesopen.com>
270 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
271 only equivalent if the have both the same mode and precision.
273 2006-02-20 Ben Elliston <bje@au.ibm.com>
275 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
277 2006-02-19 Roger Sayle <roger@eyesopen.com>
278 Steven Bosscher <stevenb.gcc@gmail.com>
280 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
281 constant pool references to identify stack mode constants.
282 * rtlanal.c (constant_pool_constant_p): New predicate to check
283 whether operand is a floating point constant in the pool.
284 * rtl.h (constant_pool_constant_p): Prototype here.
285 * loop.c (scan_loop): Avoid hoisting constants from the constant
286 pool on STACK_REGS targets.
287 (load_mems): Likewise.
288 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
289 loads into x87 registers expensive in terms of register pressure.
291 2006-02-19 Roger Sayle <roger@eyesopen.com>
293 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
294 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
296 2006-02-19 David Edelsohn <edelsohn@gnu.org>
298 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
299 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
301 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
303 * doc/invoke.texi: Document -fipa-pta.
304 * common.opt: Add ipa-pta option.
305 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
306 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
307 (do_ds_constraint): Ditto.
308 (get_constraint_for): Only add to referenced_vars if
309 referenced_vars exists.
310 (insert_into_field_list): Rewrite to do this unsorted.
311 (insert_into_field_list_sorted): Rename old insert_into_field_list
313 (create_function_info_for): Use insert_into_field_list_sorted.
314 (create_variable_info_for): Rewrite so it uses unsorted version,
315 since the field list is sorted.
316 (intra_create_variable_infos): Only add to referenced_vars if
317 referenced_vars exists.
318 (ipa_pta_execute): Init heapvars, and delete when done.
319 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
321 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
323 * doc/install.texi: Add missing `@samp'.
325 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
327 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
330 2006-02-18 Mark Wielaard <mark@klomp.org>
332 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
333 who added new 4.1 features, bug fixes and integration support.
335 2006-02-18 David Edelsohn <edelsohn@gnu.org>
338 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
341 2006-02-18 Richard Sandiford <richard@codesourcery.com>
343 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
344 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
345 (copy_insn_1): Likewise. Don't copy each field individually.
347 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
349 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
350 * rtl.c (rtx_size): Rename variable to...
351 (rtx_code_size): ...this.
352 (rtx_size): New function.
353 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
354 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
356 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
357 * rtl.h (rtx_code_size): New variable.
358 (rtx_size): Change from a variable to a function.
359 (RTX_SIZE): Rename to...
360 (RTX_CODE_SIZE): ...this.
363 PR tree-optimization/17106
364 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
365 (Anchored Addresses): New section.
366 * doc/invoke.texi (-fsection-anchors): Document.
367 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
368 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
369 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
370 * hooks.c (hook_bool_mode_rtx_false): New function.
371 * hooks.h (hook_bool_mode_rtx_false): Declare.
372 * gengtype.c (create_optional_field): New function.
373 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
374 SYMBOL_REF_IN_BLOCK_P is true.
375 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
376 (min_anchor_offset, max_anchor_offset): Likewise.
377 (use_anchors_for_symbol_p): New hook.
378 * toplev.c (compile_file): Call output_object_blocks.
379 (target_supports_section_anchors_p): New function.
380 (process_options): Check that -fsection-anchors is only used on
381 targets that support it and when -funit-at-a-time is in effect.
382 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
383 if the decl doesn't have one.
384 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
385 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
386 of force_const_mem through use_anchored_address.
387 (expand_expr_constant): New function.
388 (expand_expr_addr_expr_1): Call it. Use the same modifier when
389 calling expand_expr for INDIRECT_REF.
390 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
391 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
392 * expr.h (use_anchored_address): Declare.
393 * loop-unroll.c: Don't declare rtx vectors here.
394 * explow.c: Include output.h.
395 (validize_mem): Call use_anchored_address.
396 (use_anchored_address): New function.
397 * common.opt (-fsection-anchors): New switch.
398 * varasm.c (object_block_htab, anchor_labelno): New variables.
399 (hash_section, object_block_entry_eq, object_block_entry_hash)
400 (use_object_blocks_p, get_block_for_section, create_block_symbol)
401 (use_blocks_for_decl_p, change_symbol_section): New functions.
402 (get_variable_section): New function, split out from assemble_variable.
403 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
404 use_blocks_for_decl_p say so. Use change_symbol_section if the
405 symbol has already been created.
406 (assemble_variable_contents): New function, split out from...
407 (assemble_variable): ...here. Don't output any code for
408 block symbols; just pass them to place_block_symbol.
409 Use get_variable_section and assemble_variable_contents.
410 (get_constant_alignment, get_constant_section, get_constant_size): New
411 functions, split from output_constant_def_contents.
412 (build_constant_desc): Create a block symbol if use_object_blocks_p
413 says so. Or into SYMBOL_REF_FLAGS.
414 (assemble_constant_contents): New function, split from...
415 (output_constant_def_contents): ...here. Don't output any code
416 for block symbols; just pass them to place_section_symbol.
417 Use get_constant_section and get_constant_alignment.
418 (force_const_mem): Create a block symbol if use_object_blocks_p and
419 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
420 (output_constant_pool_1): Add an explicit alignment argument.
421 Don't switch sections here.
422 (output_constant_pool): Adjust call to output_constant_pool_1.
423 Switch sections here instead. Don't output anything for block symbols;
424 just pass them to place_block_symbol.
425 (init_varasm_once): Initialize object_block_htab.
426 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
427 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
428 (place_block_symbol, get_section_anchor, output_object_block)
429 (output_object_block_htab, output_object_blocks): New functions.
430 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
431 (TARGET_ASM_OUT): Include it.
432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
433 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
434 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
435 (TARGET_INITIALIZER): Include them.
436 * rtl.c (rtl_check_failed_block_symbol): New function.
437 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
438 (block_symbol, object_block): New structures.
439 (rtx_def): Add a block_symbol field to the union.
440 (BLOCK_SYMBOL_CHECK): New macro.
441 (rtl_check_failed_block_symbol): Declare.
442 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
443 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
444 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
445 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
446 * output.h (output_section_symbols): Declare.
447 (object_block): Name structure.
448 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
449 (default_use_anchors_for_symbol_p): Declare.
450 * Makefile.in (RTL_BASE_H): Add vec.h.
451 (explow.o): Depend on output.h.
452 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
453 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
455 (rs6000_use_blocks_for_constant_p): New function.
457 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
459 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
461 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
464 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
467 2006-02-18 Diego Novillo <dnovillo@redhat.com>
469 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
473 2006-02-18 Jakub Jelinek <jakub@redhat.com>
476 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
477 instead of DECL_REGISTER.
479 2006-02-18 Olivier Hainque <hainque@adacore.com>
482 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
484 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
487 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
488 * opth-gen.awk: Handle Var and InverseMask together.
489 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
490 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
491 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
492 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
494 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
495 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
496 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
497 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
498 LINUX_DYNAMIC_LINKER): Define.
499 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
500 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
502 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
503 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
504 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
506 (TARGET_C99_FUNCTIONS): Don't define.
507 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
508 GLIBC_DYNAMIC_LINKER.
509 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
510 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
511 GLIBC_DYNAMIC_LINKER64): Define.
512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
513 LINUX_DYNAMIC_LINKER64.
514 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
516 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
518 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
520 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
521 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
522 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
524 and LINUX_DYNAMIC_LINKER32.
525 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
527 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
529 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
531 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
532 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
533 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
534 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
535 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
536 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
537 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
538 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
539 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
540 LINUX_DYNAMIC_LINKER): Define.
541 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
542 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
543 GLIBC_DYNAMIC_LINKER64): Define.
544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
545 LINUX_DYNAMIC_LINKER64.
546 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
547 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
548 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
549 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
550 LINUX_DYNAMIC_LINKER): Define.
551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
552 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
553 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
554 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
555 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
556 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
557 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
558 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
559 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
560 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
562 * doc/invoke.texi (-muclibc): Remove caveat about supported
565 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
567 * doc/cpp.texi (__TIMESTAMP__): Document.
569 2006-02-17 Roger Sayle <roger@eyesopen.com>
572 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
573 C is one less than the width of X (and related transformations).
574 * simplify_rtx.c (simplify_unary_operation_1): Transform
575 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
576 depending on STORE_FLAG_VALUE, were C is one less then the
579 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
581 Fix PR tree-optimization/26341
582 * tree-ssa-operands.c (add_virtual_operand): Remove assert
583 about NAME_MEMORY_TAG's.
585 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
588 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
589 with hardware float support, and software float support. Add fcpy
590 alternative to hardware patterns. Add alternatives to copy between
591 general and floating-point registers to the 32-bit pattern.
592 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
593 secondary reload to load a QI or HI mode constant into a floating
595 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
596 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
598 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
601 * config/rs6000/darwin.md (load_macho_picbase_si): Add
603 (load_macho_picbase_di): Likewise.
605 2006-02-16 Jeff Law <law@redhat.com>
607 * tree-vrp.c (set_value_range_to_nonnegative): New function.
608 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
609 (ssa_name_nonzero_p): Likewise.
610 (get_value_range): Return NULL if VRP is not running.
611 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
612 VRP routines do not discover a range.
613 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
614 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
615 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
616 (tree_expr_nonnegative_p): Similarly.
617 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
618 (restore_nonzero_vars_to_original_value): Remove.
619 (unsafe_associative_fp_binop): Remove.
620 (tree_ssa_dominator_optimize): Remove initialization and
621 finalization of nonzero_vars and nonzero_vars_stack.
622 (dom_opt_initialize_block): No longer push marker on
624 (dom_opt_finalize_block): No longer call
625 restore_nonzero_vars_to_original_value.
626 (record_equivalences_from_phis): No longer look for
627 nonzero PHI arguments.
628 (cprop_into_successor_phis): No longer propagate nonzero
629 property into PHI arguments. Lose unused argument. Caller
631 (record_equivalences_from_stmt): No longer record nonzero
632 values for SSA_NAMEs.
633 (lookup_avail_expr): No longer use nonzero_vars.
635 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
636 for sizetype when sizetype is unsigned.
638 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
640 PR rtl-optimization/25603
641 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
642 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
643 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
644 with new meaning of SETS.
646 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
651 * config/linux.opt: New file.
652 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
653 LINUX_DYNAMIC_LINKER): Define.
654 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
655 * config.gcc (*-*-linux*): Define extra_options.
656 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
657 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
658 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
659 GLIBC_DYNAMIC_LINKER.
660 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
661 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
662 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
664 * doc/invoke.texi (GNU/Linux Options): New section.
666 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
668 * config/sparc/sparc.md (setjmp): Rewrite.
670 (setjmp_64): Likewise.
672 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
674 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
677 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
679 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
682 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
684 PR rtl-optimization/26296
685 * Makefile.in (loop-invariant.c): Add except.h dependency.
686 * loop-invariant.c: Include except.h.
687 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
689 2005-02-16 Paul Brook <paul@codesourcery.com>
691 * reload1.c (emit_reload_insns): Invalidate dead input registers used
694 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
696 PR rtl-optimization/25636
697 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
698 when deciding whether an insn is an initializing insn.
700 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
702 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
703 (tree_code_size): Ditto.
704 * tree.h (struct tree_memory_tag): Remove parent_var.
705 (struct tree_struct_field_tag): New.
708 (union tree_node): Add sft member.
709 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
711 (create_sft): Add size and offset argument, set SFT_OFFSET and
713 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
714 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
715 * tree-flow-inline.h (get_subvar_at): Update for
717 (var_can_have_subvars): Ditto.
718 (overlap_subvar): Ditto.
719 * print-tree.c (print_node): Print out interesting things for
721 * tree-flow.h (struct subvar): Remove offset and size members.
722 * tree-ssa-operands.c (get_expr_operands): Update for
723 get_indirect_ref_operands changes.
724 (get_indirect_ref_operands): Call add_virtual_operand instead of
725 add_stmt_operand. Only recurse on base var if requested.
726 (access_can_touch_variable): New function.
727 (add_stmt_operand): Split virtual operand handling into ...
728 (add_virtual_operand): Here. Add offset, size, and for_clobber
729 arguments. Prune alias sets.
730 (add_call_clobber_ops): Call add_virtual_operand.
732 2006-02-15 Jakub Jelinek <jakub@redhat.com>
735 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
737 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
738 than TREE_CODE as index into omp_clause_num_ops array.
740 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
742 PR rtl-optimization/26184
743 * modulo-sched.c (generate_reg_moves): Free bitmap vector
745 * modulo-sched.c (sms_schedule): Free g_arr pointer.
746 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
747 must_precede, must_follow and tobe_scheduled.
750 * opts.c (common_handle_option): Free new_option pointer.
751 * df-core.c (df_analyze): Free postorder pointer.
753 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
755 * Makefile.in: Fix the examples about the use of stamps
757 2006-02-15 Michael Matz <matz@suse.de>
761 * stor-layout.c (layout_decl): Zero-width bitfields aren't
762 influenced by maximum_field_alignment or DECL_PACKED.
763 (update_alignment_for_field): Ditto.
764 (place_field): Ditto.
765 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
768 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
770 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
771 (debug_flow_info): Pass it.
772 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
773 * bb-reorder.c (reorder_basic_blocks): Likewise.
774 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
775 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
776 * flow.c (life_analysis, recompute_reg_usage): Likewise.
777 * gcse.c (gcse_main, bypass_jumps): Likewise.
778 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
779 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
780 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
781 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
782 * rtl.h (dump_flow_info): Adjust prototype.
783 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
784 * var-tracking.c (variable_tracking_main): Likewise.
785 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
786 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
789 2006-02-15 Marcin Dalecki <martin@dalecki.de>
791 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
794 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
796 PR tree-optimization/26209
797 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
798 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
800 * tree-cfg.c (replace_uses_by): Do not alter cfg.
802 2006-02-14 Roger Sayle <roger@eyesopen.com>
805 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
806 (X,Y) and the corresponding symmetry related transformations.
807 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
808 (X,Y) and its symmetry related transformations.
810 2006-02-14 Roger Sayle <roger@eyesopen.com>
812 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
815 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
817 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
819 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
822 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
823 support COMDAT group.
824 * configure: Regenerate.
826 2006-02-14 Roger Sayle <roger@eyesopen.com>
831 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
833 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
835 Fix PR tree-optimization/26260
837 * doc/invoke.texi (max-fields-for-field-sensitive): Document
839 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
840 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
841 * tree-ssa-structalias.c (create_variable_info_for): Use
842 MAX_FIELDS_FOR_FIELD_SENSITIVE.
844 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
846 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
848 * tree-ssa-loop-niter.c (number_of_iterations_ne,
849 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
850 of the ending condition.
851 * tree-ssa-loop-manip.c: Include params.h.
852 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
853 tree_unroll_loop): New functions.
854 * tree-pass.h (pass_loop_prefetch): Declare.
855 * loop.c (rest_of_handle_loop_optimize): Test for
856 -fprefetch-loop-arrays-rtl.
857 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
858 * timevar.def (TV_TREE_PREFETCH): New timevar.
859 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
860 pass_loop_prefetch): New.
861 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
862 (cleanup_tree_cfg_loop): Call scev_reset.
863 * common.opt (fprefetch-loop-arrays-rtl): Add.
864 * tree-ssa-loop-prefetch.c: New file.
865 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
866 (new_temp_expr_table): Initialize expr_vars.
867 (free_temp_expr_table): Cleanup expr_vars.
868 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
869 expressions from being merged into one.
870 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
871 (struct tree_niter_desc): Add control, bound and cmp fields.
872 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
874 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
875 (tree-cfgcleanup.o): Add SCEV_H dependency.
876 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
877 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
879 2006-02-14 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/26258
882 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
883 in PHI argument processing.
885 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
887 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
888 new expression in the requested machine mode.
890 2006-02-13 Roger Sayle <roger@eyesopen.com>
892 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
893 directly, instead let do_compare_rtx_and_jump handle this for us.
894 * expr.c (expand_expr_real_1): Likewise.
895 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
896 before do_jump_by_parts_greater.
897 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
898 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
900 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
902 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
904 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
906 PR rtl-optimization/26235
907 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
908 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
911 2006-02-13 Jeff Law <law@redhat.com>
913 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
916 2006-02-13 Jakub Jelinek <jakub@redhat.com>
919 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
920 twice if decl is a builtin. When trying again, call get_callee_fndecl
921 first to verify it is still a builtin.
923 2006-02-13 Geoffrey Keating <geoffk@apple.com>
925 * dwarf2out.c (base_type_die): Don't add AT_name here.
926 (subrange_type_die): Don't add AT_name here.
927 (modified_type_die): Rearrange code flow. Do add AT_name here.
929 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
931 PR rtl-optimization/26247
932 PR rtl-optimization/26248
933 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
935 2006-02-13 Richard Sandiford <richard@codesourcery.com>
937 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
938 * config/fixtfdi.c: Likewise.
939 * config/fixunstfdi.c: Likewise.
940 * config/floatditf.c: Likewise.
942 2006-02-13 Roger Sayle <roger@eyesopen.com>
945 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
946 into (X,C2) if C1 is a subset of the bits of C2. Transform
947 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
949 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
951 2006-02-13 Josh Conner <jconner@apple.com>
954 * varasm.c (function_section): Check for section name before
955 calling select_section on targets that define
956 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
957 unlikely_text_section instead of hot_function_section if
958 first_function_block_is_cold.
960 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
963 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
965 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
967 PR rtl-optimization/26222
968 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
969 after tree->rtl expansion.
970 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
971 before passing it to emit_move_insn.
973 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
975 * doc/invoke.texi (-Write-strings): Document that it is enabled by
977 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
978 Clarify documentation.
979 * c-common.h (warn_write_strings): Remove.
980 * c-common.c (warn_write_strings): Likewise.
981 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
984 2006-02-12 Roger Sayle <roger@eyesopen.com>
987 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
988 (do_jump_parts_zero_rtx): New function renamed from
989 do_jump_parts_equality_rtx. Made static. Add a mode argument.
990 (do_jump_parts_equality_rtx): New function split out from
991 do_jump_parts_equality. Old implementation renamed as above.
992 Call do_jump_parts_zero_rtx if either operand is zero.
993 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
994 do all of the heavy lifting.
995 (do_compare_rtx_and_jump): Handle multi-word comparisons by
996 calling either do_jump_by_parts_greater_rtx or
997 do_jump_by_parts_equality_rtx.
998 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
999 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1000 moved to do_compare_rtx_and_jump, call it directly.
1001 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1002 mode argument. Call do_compare_rtx_and_jump.
1003 (emit_case_nodes): Update calls to do_jump_if_equal.
1005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1007 PR rtl-optimization/26225
1008 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1012 PR rtl-optimization/26232
1013 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1015 2006-02-11 Jason Merrill <jason@redhat.com>
1018 * tree-inline.c (declare_return_variable): Just don't use the
1019 modify target if it's a gimple complex reg and the return slot
1022 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1024 * doc/contrib.texi: Update my entry.
1026 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1028 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1030 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1032 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1035 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1037 * doc/invoke.texi (-floop-optimize2): Removed.
1038 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1039 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1040 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1041 * common.opt (floop-optimize2): Removed.
1042 (fmove-loop-invariants): Enabled by default.
1044 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1046 * tree-if-conv.c (combine_blocks): Free the result of
1047 get_loop_exit_edges.
1049 2006-02-10 Jeff Law <law@redhat.com>
1051 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1053 PR tree-optimization/26213
1054 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1055 loop trying to follow SSA_NAME_VALUE chains.
1057 2006-02-10 Richard Guenther <rguenther@suse.de>
1059 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1060 deal with structures that end in implicitly variable sized arrays.
1062 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1064 PR rtl-optimization/24762
1065 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1068 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1070 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1071 (struct ivopts_data): Add regs_used field.
1072 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1073 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1074 instead of loop_data->regs_used;
1075 (free_loop_data): Do not free aux fields for loops.
1076 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1077 and tree_ssa_iv_optimize_finalize.
1079 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1081 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1083 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1086 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1087 computing the effective result type.
1089 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1092 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1093 (tree_overlaps_hard_reg_set): Declare.
1094 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1095 type and signature to match function type expected by walk_tree.
1096 (tree_overlaps_hard_reg_set): New function.
1097 (decl_conflicts_with_clobbers_p): Rename to:
1098 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1099 Use tree_overlaps_hard_reg_set. Changed caller.
1100 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1101 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1102 * cris.c (cris_md_asm_clobbers): Likewise.
1104 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1106 * reload1.c (emit_input_reload_insns): Delete code that tries to
1107 inherit using find_equiv_reg.
1109 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1111 * c-common.h (flag_const_strings): Don't declare.
1112 * c-common.c (flag_const_strings): Remove.
1113 * c.opt (fconst_strings): Remove.
1114 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1115 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1116 (c_common_init_options): Don't set flag_const_strings.
1117 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1119 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1121 * arm.md (tlobits_cbranch): New pattern.
1122 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1123 testing a single bit.
1125 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1128 * tree-ssa-pre.c (create_component_ref_by_pieces):
1129 Handle RETURN_DECL like VAR_DECL.
1131 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1134 * fold-const.c (fold_indirect_ref_1): Fold
1135 "*(foo *)&complexfoo" to "__real__ complexfoo"
1136 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1138 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1140 * tree-flow-inline.h (var_can_have_subvars):
1141 Volatile variables should not have subvariables.
1143 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1146 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1147 multiplying unsigned values.
1150 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1152 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1154 2006-02-08 Jason Merrill <jason@redhat.com>
1157 * tree.def: Elaborate on difference from MODIFY_EXPR.
1158 * doc/c-tree.texi (INIT_EXPR): Likewise.
1159 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1160 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1161 (gimplify_target_expr): Likewise.
1162 (gimplify_cond_expr): Remove target handling.
1163 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1164 (gimplify_expr): Clobber it here.
1165 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1166 Do return slot optimization if we have an INIT_EXPR.
1169 * tree-inline.c (declare_return_variable): Also clear
1170 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1173 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1176 * gimplify.c (gimplify_one_sizepos): Fix typo.
1178 2006-02-08 Jeff Law <law@redhat.com>
1180 PR tree-optimization/21417
1181 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1182 across a backedge if the control statement at the end of the
1183 block is data dependent on other statements in the same block.
1184 (record_temporary_equivalences_from_stmts): Remove over-conservative
1185 test for threading across backedges.
1187 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1188 control statement, handle all three special cases in the same
1189 manner as they all have the same desired solution. No longer
1190 special case edge flag updating when the post dominator is
1193 2006-02-08 Roger Sayle <roger@eyesopen.com>
1195 * tree.def (CHAR_TYPE): Remove.
1196 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1197 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1198 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1199 (gen_string_type_die): Delete unreachable function.
1201 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1202 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1203 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1204 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1205 * builtins.c (type_to_class): Likewise.
1206 * fold-const.c (fold_convert, build_range_check,
1207 merge_ranges): Likewise.
1208 * expr.c (count_type_elements): Likewise.
1209 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1210 * stor-layout.c (layout_type): Likewise.
1211 * ipa-type-escape.c (type_to_consider): Likewise.
1212 * gimplify.c (omp_firstprivatize_type_sizes,
1213 gimplify_type_sizes): Likewise.
1214 * explow.c (promote_mode): Likewise.
1215 * tree-sra.c (is_sra_scalar_type): Likewise.
1216 * varasm.c (output_constant): Likewise.
1217 * tree-inline.c (remap_type_1): Likewise.
1218 * convert.c (convert_to_pointer, convert_to_real,
1219 convert_to_integer, convert_to_complex): Likewise.
1221 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1223 * df-scan.c (df_def_record_1): A set destination may
1224 be a parallel regardless of mode.
1226 2006-02-08 Roger Sayle <roger@eyesopen.com>
1229 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1230 * config/mips/_tilib.c: Remove.
1231 * config/fixtfdi.c: New libgcc source file.
1232 * config/fixunstfdi.c: New source file.
1233 * config/floatditf.c: New source file.
1234 * config/floatunditf.c: New souce file.
1235 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1236 files above instead of config/mips/_tilib.c.
1237 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1239 2006-02-08 Jeff Law <law@redhat.com>
1241 PR tree-optimization/26169
1242 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1245 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1247 * df.h (DF_REG_SIZE): Return the length of the initialized
1250 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1252 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1253 __muldf3): Return a correctly signed zero.
1255 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1257 * passes.c (register_one_dump_file): Accept the current properties
1258 instead of pass number. Adjust call to dump_register. Remove
1260 (register_dump_files): Now a wrapper around...
1261 (register_dump_files_1): ... this one. Do not modify the pass
1263 (next_pass_1): Cosmetic fix.
1264 (execute_todo): Keep second parameter only. Use curr_properties
1265 instead of fetching it from the pass structure. Check and set
1267 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1268 instead of fetching it from the pass structure. Fix calls to
1269 execute_todo. Update curr_properties and initialize .vcg RTL dump
1270 after running the pass. Reset last_verified.
1271 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1273 (FIRST_AUTO_NUMBERED_DUMP): New.
1274 (dump_register): Remove "num" parameter, assign it within the
1276 (get_dump_file_name): Modify template for dumps.
1277 * tree-dump.h (dump_register): Adjust prototype.
1278 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1279 (PROP_trees): Add PROP_gimple_lomp.
1280 (TODO_set_props): New.
1281 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1282 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1283 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1285 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1287 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1288 (sparc64-*-linux*): Likewise.
1289 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1290 * config/sparc/t-linux: New file.
1291 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1292 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1293 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1294 -m32 -mlong-double-128.
1296 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1297 * config/alpha/t-linux: New file.
1298 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1300 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1301 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1302 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1303 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1304 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1305 (CPP_ARCH32_SPEC): Remove.
1307 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1309 PR tree-optimization/26145
1310 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1313 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1316 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1317 >= 240000 when generating code for SOM runtime.
1318 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1319 to $$dyncall when generating code for SOM runtime..
1321 2006-02-07 Dirk Mueller <dmueller@suse.com>
1324 * doc/invoke.texi (-Wsequence-point): Update documentation
1325 that -Wsequence-point is implemented for C++ as well.
1327 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1329 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1330 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1331 (LIB_SPEC): Likewise.
1332 * doc/invoke.texi (SPARC options): Document -pthread.
1334 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1336 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1339 2006-02-07 Roger Sayle <roger@eyesopen.com>
1341 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1342 Correct comment describing BOOLEAN_TYPE.
1344 2006-02-07 Dirk Mueller <dmueller@suse.com>
1346 * c.opt: C++ frontend supports -Wdiv-by-zero.
1347 * c-opts.c (c_common_handle_option): Remove dead case.
1349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1351 * configure.ac (TLS assembler check): Do not enable TLS by
1352 default on SPARC/Solaris before version 10.
1353 * configure: Regenerate.
1355 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1357 * doc/invoke.texi (xl-compat): Document conversion and support
1360 2006-02-07 Jeff Law <law@redhat.com>
1362 * tree-vrp.c (find_conditional_asserts): Update comments.
1363 (simplify_stmt_for_jump_threading): New.
1364 (identify_jump_threads, finalize_jump_threads): New.
1365 (vrp_finalize): Call identify_jump_threads.
1366 (execute_vrp): Call finalize_jump_threads.
1367 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1368 (vrp_element, vrp_data, vrp_element_p): Remove.
1369 (vrp_hash_elt, vrp_variables_stack): Remove.
1370 (vrp_hash, vrp_eq, record_range): Remove.
1371 (simplify_cond_and_lookup_avail_expr): Remove.
1372 (extract_range_from_cond): Remove.
1373 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1374 (simplify_stmt_for_jump_threading): New.
1375 (dom_thread_across_edge): New wrapper.
1376 (tree_ssa_dominator_optimize): No longer initialize or
1377 finalize any of the VRP datastructures. Remove iteration
1378 step and simplify as a result of removal of iteration step.
1379 (pass_dominator): Perform a cfg cleanup after DOM.
1380 (dom_opt_finalize_block): Use the new common routines
1381 for threading jumps. Simplify stack management slightly.
1382 No longer need to unwind VRP state.
1383 (record_equivalences_from_incoming_edge): No longer record
1385 (eliminate_redundant_computations): No longer call
1386 simplify_cond_and_lookup_avail_expr.
1387 * tree-flow.h (potentially_threadable_block): Prototype.
1388 (thread_across_edge): Likewise.
1389 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1390 (tree-ssa-threadedge.o): Add dependencies.
1391 * tree-ssa-threadedge.c: New file.
1392 * passes.c (init_optimization_passes): Merge PHIs before
1393 calling VRP. Run VRP again late in the SSA optimization pipeline.
1395 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1397 * df-core.c (df_set_blocks): Do not dereference function pointers.
1398 (df_finish1): Likewise.
1399 (df_hybrid_search_forward): Likewise.
1400 (df_hybrid_search_backward): Likewise.
1401 (df_iterative_dataflow): Likewise.
1402 (df_analyze_problem): Likewise.
1403 (df_compact_blocks): Likewise.
1404 (df_dump): Likewise.
1405 * df-scan.c (df_rescan_blocks): Likewise.
1406 (df_record_entry_block_defs): Likewise.
1408 * genconditions.c (write_conditions): Guard the definition of
1409 'insn_conditions' with the check on GCC version.
1410 (write_writer): Guard the traversal 'insn_conditions' with
1411 the check on GCC version.
1413 2006-02-07 Richard Guenther <rguenther@suse.de>
1417 2006-01-30 Richard Guenther <rguenther@suse.de>
1419 * gimplify.c (gimplify_target_expr): Handle easy cases
1420 without creating a temporary.
1422 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1424 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1425 use of float in probability computations. Use edge probabilities
1426 in place of statically computed probabilities.
1427 (min_spec_prob): New static variable.
1428 (schedule_insns): Initialize it.
1429 (GET_SRC_PROB): Removed.
1430 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1432 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1435 * config/ia64/unwind-ia64.c: Revert last change.
1436 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1437 (INCOMING_FRAME_SP_OFFSET): Define.
1439 2006-02-06 Roger Sayle <roger@eyesopen.com>
1441 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1443 2006-02-07 Ben Elliston <bje@au.ibm.com>
1445 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1446 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1447 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1448 (ix86_return_in_memory): Handle TDmode.
1449 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1450 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1452 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1454 * reorg.c (dbr_schedule): Use dump_file instead of file.
1456 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1459 * config/ia64/predicates.md (extr_len_operand): New predicate.
1460 * config/ia64/ia64.md (extv): Tighten constraints.
1462 (*tbit_and_2): Ditto.
1463 (*tbit_and_3): Ditto.
1464 (*tbit_or_2): Ditto.
1465 (*tbit_or_3): Ditto.
1469 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1472 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1474 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1476 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1477 loop_optimizer_init and loop_optimizer_finalize
1478 * tree-ssa-sink.c (execute_sink_code): Ditto.
1479 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1480 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1481 tree_ssa_loop_done): Ditto.
1482 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1483 * sched-ebb.c: Include output.h.
1484 (schedule_ebbs): Do not use dump argument.
1485 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1486 * loop.c (loop_dump_stream): Removed.
1487 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1489 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1490 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1491 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1492 loop_iterations, strength_reduce, record_biv, record_giv,
1493 final_giv_value, check_final_value, check_ext_dependent_givs,
1494 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1495 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1496 dump_file instead of loop_dump_stream.
1497 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1499 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1501 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1502 * haifa-sched.c: Include output.h
1503 (schedule_insns, sched_init): Do not use dump argument.
1504 * mode-switching.c (optimize_mode_switching): Ditto.
1505 * modulo-sched.c (stats_file): Removed.
1506 (print_node_sched_params): Do not call argument dump_file.
1507 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1508 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1510 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1512 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1513 rtl_loop_init, rtl_loop_done): Ditto.
1514 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1515 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1517 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1518 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1519 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1520 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1521 * emit-rtl.c (renumber_insns): Ditto.
1522 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1523 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1524 * regclass.c (regclass): Ditto.
1525 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1526 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1527 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1528 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1530 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1531 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1533 * gcse.c (gcse_file, debug_stderr): Removed.
1534 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1535 rest_of_handle_gcse): Do not use dump argument.
1536 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1537 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1538 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1539 compute_code_hoist_vbeinout, compute_code_hoist_data,
1540 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1541 compute_store_table, build_store_vectors, insert_insn_start_bb,
1542 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1543 store_motion): Use dump_file instead of gcse_file.
1544 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1545 * profile.c (profile_dump_file): Removed.
1546 (branch_prob): Use dump_file instead of profile_dump_file.
1547 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1549 * tree-ssa-copy.c (dump_copy_of): Ditto.
1550 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1551 dump file to life_analysis.
1552 * bt-load.c (branch_target_load_optimize): Ditto.
1553 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1555 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1556 regclass, dbr_schedule): Declaration changed.
1557 * sched-int.h (sched_init): Declaration changed.
1558 * tree-profile.c (tree_profile_dump_file): Removed.
1559 (tree_profile_hooks): Removed profile_dump_file hook.
1560 * rtl-profile (rtl_profile_dump_file): Removed.
1561 (rtl_profile_hooks): emoved profile_dump_file hook.
1562 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1564 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1565 * tree-cfg.c (build_tree_cfg): Ditto.
1566 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1567 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1568 Declaration changed.
1569 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1570 life_analysis and schedule_insns.
1571 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1573 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1575 * config/mips/mips.c (mips_reorg): Ditto.
1576 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1579 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1581 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1582 (s390_mangle_fundamental_type): New.
1583 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1586 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1587 (alpha_mangle_fundamental_type): New.
1588 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1591 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1593 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1595 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1596 (sparc_mangle_fundamental_type): New.
1598 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1600 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1601 (s390x-*-linux*): Likewise.
1602 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1603 * config/s390/t-linux: New file.
1605 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1607 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1608 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1610 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1612 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1613 (ANTIC_SAFE_LOADS): New macro.
1614 (find_or_generate_expression): Add prototype.
1615 (set_contains_value): Allow null set for sake of not always having
1616 to allocate ANTIC_SAFE_LOADS.
1617 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1618 Allow COMPONENT_REF too.
1619 (valid_in_set): Allow COMPONENT_REF.
1620 Check ANTIC_SAFE_LOADS too.
1621 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1622 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1624 (can_PRE_operation): Add COMPONENT_REF.
1625 (create_component_ref_by_pieces): New function.
1626 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1627 (insert_aux): Move AGGREGATE_TYPE_P check here.
1628 (compute_avail): Set bb local stmt uids.
1629 (pass_pre): Use TODO_update_ssa_only_virtuals.
1631 2006-02-06 Ben Elliston <bje@au.ibm.com>
1633 * configure.ac: Unconditionally disable decimal float by default.
1634 * configure: Regenerate.
1636 2006-02-06 Ben Elliston <bje@au.ibm.com>
1638 * read-rtl.c (read_name): Terminate reading on EOF.
1640 2006-02-06 Ben Elliston <bje@au.ibm.com>
1642 * dfp.c (decimal_real_arithmetic): Change second argument type
1643 from int to enum tree_code. Do not always return true, but now
1644 return result of any call to decimal_do helper functions.
1645 * dfp.h (decimal_real_arithmetic): Update prototype.
1647 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1649 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1651 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1654 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1657 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1659 * tree-vrp.c (cfg_loops): Removed.
1660 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1661 Use current_loops instead of cfg_loops. Pass flags to
1662 loop_optimizer_init.
1663 * cfgloopmanip.c (fix_loop_structure): Update only available
1665 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1666 loop_optimizer_init.
1667 * modulo-sched.c (build_loops_structure): Removed.
1668 (sms_schedule): Use loop_optimizer_init.
1669 * loop-init.c (loop_optimizer_init): Use flags to determine
1670 which properties of loops to prepare.
1671 (rtl_loop_init): Pass flags to loop_optimizer_init.
1672 * tree-ssa-sink.c (execute_sink_code): Ditto.
1673 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1674 * tree-ssa-pre.c (init_pre): Ditto.
1675 * cfgloop.h (LOOPS_NORMAL): New.
1676 (loop_optimizer_init): Declaration changed.
1678 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1680 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1681 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1683 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1685 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1687 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1688 * pa/t-pa64: Delete quadlib.c rule.
1689 * pa/x-ada: Revert last change.
1690 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1692 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1694 PR rtl-optimization/26087
1695 * rtlanal.c (canonicalize_condition): Do not cross basic block
1698 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1701 * config/ia64/ia64.c: Include debug.h.
1702 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1703 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1704 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1705 (process_epilogue, process_set, process_for_unwind_directive):
1706 Output unwind info only if requested. Add CFA info if requested.
1707 Add new arguments as needed. Adjust callers.
1708 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1710 (DWARF2_FRAME_INFO): Define to zero.
1711 * config/ia64/unwind-ia64.c: Remove code that compensated for
1712 the CFA offset error fixed above.
1713 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1714 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1715 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1716 -funwind-tables and -fexceptions to enable frame info.
1717 (dwarf2out_frame_init): Define initial CFA even if
1718 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1719 DWARF2_UNWIND_INFO is nonzero, not just defined.
1720 (dwarf2out_frame_finish): Output non-EH call frame info only
1721 if DWARF2_FRAME_INFO is nonzero.
1722 (convert_cfa_to_loc_list,
1723 compute_frame_pointer_to_cfa_displacement): Define even if
1724 unwind info is not supported.
1725 (gen_subprogram_die): Use the above unconditionally. Remove
1726 legacy alternate code.
1727 * toplev.c (compile_file): Compile in call to
1728 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1729 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1731 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1732 Jakub Jelinek <jakub@redhat.com>
1734 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1735 IBM extended float format long double as "g" on powerpc*-linux.
1737 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1740 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1741 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1743 2006-02-03 Jason Merrill <jason@redhat.com>
1746 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1749 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1750 on the return slot if it's an NRV.
1752 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1754 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1755 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1756 rewrite_use): Do not handle USE_OUTER.
1757 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1758 add_iv_outer_candidates, may_replace_final_value,
1759 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1760 (find_interesting_uses_op): Functionality of
1761 find_interesting_uses_outer_or_nonlin moved here.
1762 (find_interesting_uses_outside): Use find_interesting_uses_op.
1764 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1767 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1769 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1770 Ulrich Weigand <uweigand@de.ibm.com>
1773 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1774 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1775 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1776 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1778 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1779 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1780 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1781 Define secondary reloads for TFmode moves.
1782 (constant_modes): Add TFmode.
1783 (NR_C_MODES): Set to 8.
1784 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1786 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1787 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1788 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1789 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1790 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1791 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1792 (FPR mode macro): Add TFmode.
1793 (DSF mode macro): New.
1794 (<de>, <dee> mode attributes): Removed.
1795 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1796 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1797 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1798 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1799 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1800 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1801 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1802 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1803 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1804 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1805 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1806 "*negabs<mode>2", "sqrt<mode>2"):
1807 Changed <de> to <xde>. R constraint replaced by <Rf>.
1808 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1810 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1811 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1812 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1814 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1815 "extenddftf2", "extendsftf2"): New expanders.
1816 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1817 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1818 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1819 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1821 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1822 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1823 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1824 __floatditf): Add a GCC_4.1.0 symbol version tag.
1825 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1828 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1831 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1832 Use targetm.binds_local_p instead of TREE_PUBLIC.
1834 2006-02-02 Roger Sayle <roger@eyesopen.com>
1836 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1837 on INTEGER_TYPEs to indicate that it denotes a character type.
1838 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1839 signed_char_type_node, unsigned_char_type_node and char_type_node.
1840 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1841 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1842 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1844 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1845 Daniel Berlin <dberlin@dberlin.org>
1847 * tree-tailcall.c (arg_needs_copy_p): New function.
1848 (eliminate_tail_call): Use arg_needs_copy_p.
1849 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1850 (add_virtual_phis): New function.
1852 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1854 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1855 #ignore instead of #scratch for %g7 .register directive.
1857 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1859 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1862 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1864 * flow.c (calculate_global_regs_live): Assert that there aren't any
1867 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1869 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1871 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1872 bsi_after_labels iterator.
1873 * tree-if-conv.c (find_phi_replacement_condition,
1874 replace_phi_with_cond_modify_expr): Likewise.
1875 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1876 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1878 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1880 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1882 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1885 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1886 array after growing it.
1888 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1891 * fold-const.c (fold_checksum_tree): Change type of buf.
1893 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1895 * reload.c (push_secondary_reload): Initialize t_icode.
1897 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1899 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1900 -msoft-float -mlong-double-128 only issue a warning, but don't
1901 swich to DFmode long double.
1903 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1905 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1906 has a constant equivalent, iterate over equivalents for arg0,
1907 calling simplify_relational_operation and if there's a result
1908 cheaper than X, apply fold_rtx and return the result.
1910 2006-02-01 Jan Hubicka <jh@suse.cz>
1912 * opts.c (no_unit_at_a_time_default): New global variable.
1913 (decode_options): Use it.
1914 * opts.h (no_unit_at_a_time_default): Declare.
1916 2006-02-01 Paul Brook <paul@codesourcery.com>
1918 * function.c (assign_parm_setup_reg): Use function argument promotion
1920 * expr.c (expand_expr_real_1): Use function argument promotion rules
1923 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1925 * gcc.c (process_command): Change j to 'unsigned int'.
1927 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1930 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1931 Use the corrected index for the character
1932 out of the string constant.
1934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1936 * mode-switching.c (optimize_mode_switching): Fix size
1937 allocated for bb_info[n_entities].
1939 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1941 * gcc.c (main): Correct type that is allocated for
1942 explicit_link_files.
1944 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1946 * config/s390/s390.c (init_alignment_context): Set
1947 ALIAS_SET_MEMORY_BARRIER on the MEM.
1948 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1950 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1953 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1955 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1958 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1960 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1961 * regrename.c: Ditto.
1962 * tree-ssa-loop-im.c: Ditto.
1963 * tree-dump.c: Ditto.
1964 * tree-complex.c: Ditto.
1965 * genrecog.c: Ditto.
1966 * tree-ssa-threadupdate.c: Ditto.
1968 * java/class.c: Ditto.
1969 * java/jcf-parse.c: Ditto.
1970 * java/resource.c: Ditto.
1971 * java/except.c: Ditto.
1972 * java/jvspec.c: Ditto.
1973 * java/jcf-write.c: Ditto.
1974 * java/jcf-path.c: Ditto.
1975 * java/gjavah.c: Ditto.
1976 * java/zextract.c: Ditto.
1977 * java/jcf-io.c: Ditto.
1978 * java/jcf.h: Ditto.
1979 * java/buffer.c: Ditto.
1980 * java/lang.c: Ditto.
1981 * java/parse-scan.y: Ditto.
1982 * java/lex.c: Ditto.
1983 * java/lex.h: Ditto.
1984 * cfgloopmanip.c: Ditto.
1985 * postreload-gcse.c: Ditto.
1986 * tree-ssa-loop-manip.c: Ditto.
1987 * postreload.c: Ditto.
1988 * tree-ssa-loop-ch.c: Ditto.
1992 * diagnostic.c: Ditto.
1994 * genoutput.c: Ditto.
1996 * cfghooks.c: Ditto.
1997 * cfgloopanal.c: Ditto.
1998 * objc/objc-act.c: Ditto.
2000 * genextract.c: Ditto.
2001 * genautomata.c: Ditto.
2002 * pretty-print.c: Ditto.
2004 * cgraphunit.c: Ditto.
2007 * haifa-sched.c: Ditto.
2008 * dominance.c: Ditto.
2010 * tree-ssa-loop-ivopts.c: Ditto.
2012 * mode-switching.c: Ditto.
2013 * modulo-sched.c: Ditto.
2015 * ipa-pure-const.c: Ditto.
2017 * fix-header.c: Ditto.
2019 * tree-stdarg.c: Ditto.
2020 * ipa-utils.c: Ditto.
2021 * loop-init.c: Ditto.
2022 * ipa-inline.c: Ditto.
2025 * alloc-pool.c: Ditto.
2026 * dwarf2out.c: Ditto.
2028 * genattrtab.c: Ditto.
2029 * tree-ssa-loop-ivcanon.c: Ditto.
2033 * fortran/gfortranspec.c: Ditto.
2035 * local-alloc.c: Ditto.
2036 * langhooks.c: Ditto.
2037 * function.c: Ditto.
2038 * tree-vectorizer.c: Ditto.
2040 * ipa-type-escape.c: Ditto.
2042 * tree-if-conv.c: Ditto.
2045 * tree-data-ref.c: Ditto.
2046 * loop-unroll.c: Ditto.
2047 * treelang/treetree.c: Ditto.
2050 * ggc-common.c: Ditto.
2052 * coverage.c: Ditto.
2054 * tree-cfgcleanup.c: Ditto.
2055 * tree-ssa-pre.c: Ditto.
2056 * cfgcleanup.c: Ditto.
2057 * loop-invariant.c: Ditto.
2059 * ipa-prop.c: Ditto.
2060 * print-tree.c: Ditto.
2061 * conflict.c: Ditto.
2062 * ggc-page.c: Ditto.
2063 * sched-deps.c: Ditto.
2064 * regclass.c: Ditto.
2065 * tree-object-size.c: Ditto.
2067 * bb-reorder.c: Ditto.
2068 * resource.c: Ditto.
2069 * var-tracking.c: Ditto.
2071 * df-problems.c: Ditto.
2072 * reg-stack.c: Ditto.
2075 * sched-rgn.c: Ditto.
2076 * tree-ssa-structalias.c: Ditto.
2077 * tree-ssa-reassoc.c: Ditto.
2078 * config/darwin-c.c: Ditto.
2079 * config/darwin.c: Ditto.
2080 * config/arm/arm.c: Ditto.
2082 * collect2.c: Ditto.
2085 2006-01-31 Nicolas Pitre <nico@cam.org>
2087 * arm.md (smaxsi3): Make aware of smax_m1.
2090 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2092 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2094 2006-01-31 Richard Guenther <rguenther@suse.de>
2096 * doc/invoke.texi (-msselibm): Document.
2097 * target.h (expand_library_builtin): New target hook.
2098 * builtins.c (expand_builtin): Use expand_library_builtin.
2099 (default_expand_library_builtin): New function.
2100 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2101 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2102 (link_gcc_math_spec): Declare.
2103 (static_specs): Add link_gcc_math_spec.
2104 * expr.h (default_expand_library_builtin): Declare.
2105 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2106 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2107 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2108 * config/i386/i386.opt (msselibm): New target option.
2109 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2110 (ix86_init_sse_abi_builtins): New function.
2111 (ix86_expand_library_builtin): Likewise.
2112 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2113 (override_options): Handle error conditions wrt -msselibm.
2114 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2115 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2116 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2119 2006-01-31 Richard Guenther <rguenther@suse.de>
2120 Paolo Bonzini <bonzini@gnu.org>
2122 * doc/install.texi (--disable-libgcc-math): Document.
2124 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2126 * expr.h (expand_normal): new inline function.
2127 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2129 * dwarf2out.c: use it.
2134 * config/sparc/sparc.c: use it.
2135 * config/i386/i386.c: use it.
2136 * config/rs6000/rs6000.c: use it.
2137 * config/arm/arm.c: use it.
2138 * config/mips/mips.c: use it.
2139 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2141 2006-01-30 Roger Sayle <roger@eyesopen.com>
2143 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2144 argv to the appropriate type.
2146 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2148 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2151 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2154 * config/s390/s390.c (struct machine_function): New flag
2155 decomposed_literal_pool_addresses_ok_p.
2156 (s390_reorg): Set it before final stage of literal pool transforms.
2157 (s390_decompose_address): Only accept displacements of the form
2158 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2160 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2162 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2163 the comparison routine return.
2165 2006-01-30 Michael Matz <matz@suse.de>
2167 * global.c (find_reg): Only evict for global regs.
2168 Take n_refs into account and dump more info.
2170 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2173 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2174 (pragma_trap, pragma_nosave_low_regs): Likewise.
2175 (current_function_anonymous_args): Likewise.
2176 (sh_deferred_function_attributes): New variable.
2177 (sh_deferred_function_attributes_tail): Likewise.
2178 (print_operand): For '@', look up trap_exit attribute.
2179 (calc_live_regs): Look up trapa_handler attribute. For trapa
2180 handlers, save/restore fpscr, but don't do any other
2181 interrupt-specific saves.
2182 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2183 Fix check for partially saved registers to check for SHmedia.
2184 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2185 (sh_output_function_epilogue): Don't clear any of the removed
2187 (sh_insert_attributes): Don't check pragma_interrupt.
2188 Insert deferred attributes. Check that interrupt attribute is
2189 present for other attributes that require its presence.
2190 (sh_attribute_table): Add new attributes trapa_handler and
2192 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2193 Don't check for pragma_interrupt. Don't store argument.
2194 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2195 (sh_deferred_function_attributes): Declare.
2196 (sh_deferred_function_attributes_tail): Likewise.
2197 * sh.md (sp_switch_1): Add operand. Change generator caller.
2198 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2199 (*return_i): Don't use when trap_exit attribute is in effect.
2200 (*return_trapa): New insn pattern.
2202 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2203 setting c_target_objs and cxx_target_objs.
2204 * t-sh: Add rule for sh-c.o.
2206 2006-01-30 Richard Guenther <rguenther@suse.de>
2209 * gimplify.c (gimplify_target_expr): Handle easy cases
2210 without creating a temporary.
2212 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2214 * vec.h (safe_grow): Remove duplicated line.
2216 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2219 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2220 (expand_omp): ... here.
2221 (expand_omp_parallel): Only remove barriers for combined
2222 parallel+workshare constructs.
2224 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2228 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2229 * tree.c (build_qualified_type): Chain the new type to the original
2230 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2231 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2232 (build_pointer_type_for_mode): Only return unqualified types.
2233 (build_reference_type_for_mode): Likewise.
2235 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2237 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2238 * Makefile.in (CXX_COMPAT_WARN): Define.
2239 * configure: Regenerate.
2241 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2244 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2247 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2249 * toplev.c: Fix thinko.
2251 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2252 Marcin Dalecki <martin@dalecki.de>
2254 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2255 (push_srcloc): Use XNEW.
2256 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2258 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2260 * df-core.c (df_set_blocks): Deleted all variable.
2262 2006-01-28 Ian Lance Taylor <ian@airs.com>
2264 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2265 cgraph_output_pending_asms.
2267 2006-01-28 Zack Weinberg <zackw@panix.com>
2269 * c.opt: Add -W(no-)overlength-strings.
2270 * doc/invoke.texi: Document it.
2271 * c-opts.c (c_common_handle_option): -pedantic implies
2272 -Woverlength-strings, if not explicitly disabled already.
2273 (c_common_post_options): -Woverlength-strings defaults to off, and
2274 is always off for C++.
2275 * c-common.c (fix_string_type): Issue warning about strings longer
2276 than is portable only if warn_overlength_strings. Rearrange code
2277 a little for clarity.
2278 * configure.in: Check for -Wno-overlength-strings as well before
2279 enabling -pedantic in stage 1.
2280 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2281 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2283 * genconditions.c (write_header, write_one_condition)
2284 (write_conditions, write_writer): Consolidate very long strings
2285 that were broken up to fit in C89 portable limit. Don't use
2286 printf when fputs will do.
2288 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2290 * combine.c (simplify_comparison <AND>): Check
2291 TRULY_NOOP_TRUNCATION before start using a subreg.
2293 * config/mips/mips.md (*branch_zero<mode>,
2294 *branch_zero<mode>_inverted, *branch_equality<mode>,
2295 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2296 Remove mode check from comparisons.
2298 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2300 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2302 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2304 * expmed.c (const_mult_add_overflow_p): Remove.
2305 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2307 * recog.c (validate_replace_rtx_subexp): Remove.
2308 * recog.h: Remove the prototype for
2309 validate_replace_rtx_subexp.
2311 * integrate.h: Remove the prototype for
2312 copy_decl_for_inlining.
2313 * rtl.h: Remove the prototype for mark_constant_function.
2314 * tree-vectorizer.h: Remove the prototype for
2315 vect_strip_conversion.
2317 * modulo-sched.c (create_partial_schedule,
2318 free_partial_schedule, reset_partial_schedule): Make them
2321 * hooks.c (hook_bool_rtx_int_false): Remove.
2322 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2324 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2326 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2327 and -mlong-double-128 are incompatible.
2328 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2329 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2330 (TARGET_LIBGCC2_CFLAGS): Define.
2331 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2332 (TARGET_LIBGCC2_CFLAGS): Same.
2333 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2335 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2338 * c-typeck.c (build_binary_op): Perform implicit casts of
2339 operands before shortening them.
2341 * cfgloopmanip.c (split_loop_bb): Remove.
2342 * cfgloop.h: Remove the prototype for split_loop_bb.
2344 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2345 * cfgloop.h: Remove the prototype for
2346 flow_loop_outside_edge_p.
2348 * emit-rtl.c (init_virtual_regs): Make it static.
2349 * function.h: Remove the prototype for init_virtual_regs.
2351 * recog.c (peephole2_optimize): Make it static.
2352 * recog.h: Remove the prototype for peephole2_optimize.
2354 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2356 * df-scan.c (df_record_entry_block_defs): Check if
2357 INCOMING_RETURN_ADDR_RTX is defined.
2359 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2360 Kenneth Zadeck <zadeck@naturalbridge.com>
2362 PR rtl-optimization/24762
2363 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2364 * targhooks.c (hook_void_bitmap): New hook prototype.
2365 * targhoohs.h (hook_void_bitmap): Ditto.
2366 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2367 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2368 * target.h (live_on_entry): New function pointer.
2369 * df-scan.c (df_all_hard_regs): Removed.
2370 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2371 (df_scan_free_internal): Added df->entry_block_defs.
2372 (df_scan_alloc): Ditto.
2373 (df_scan_dump): Ditto.
2374 (df_uses_record): Plumbed flag field properly thru calls.
2375 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2376 This part fixes PR24762.
2377 (df_bb_refs_record): Added code to make the frame and arg
2378 pointers live in EH blocks.
2379 (df_refs_record): Added call to df_record_entry_block_defs.
2380 (df_record_entry_block_defs): New function.
2381 * df-core.c: Added comments to describe new artifical defs.
2382 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2383 (entry_block_defs): New field in struct df.
2384 (df_all_hard_regs): Deleted.
2385 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2386 * df-problems.c (df_ru_bb_local_compute_process_def):
2387 Added code to handle artifical defs in the entry to a function.
2388 (df_ru_bb_local_compute): Ditto.
2389 (df_rd_bb_local_compute_process_def): Ditto.
2390 (df_rd_bb_local_compute): Ditto.
2391 (df_lr_bb_local_compute): Ditto.
2392 (df_ur_bb_local_compute): Ditto.
2393 (df_urec_bb_local_compute): Ditto.
2394 (df_chain_create_bb): Ditto.
2395 (df_ur_local_finalize): Removed entry.
2396 (df_urec_init): Ditto.
2397 (df_urec_local_finalize): Ditto.
2398 (df_ri_bb_compute): Added detection of last use of pseudos.
2399 * Makefile.in (df-scan.o): Updated dependencies.
2400 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2401 * config/mips/mips.c (mips_set_live_on_entry): Added.
2402 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2404 * dce.c (marked_insn_p): Added code to handle artifical defs.
2406 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2408 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2410 (_mm_cvtsi128_si64): Likewise.
2411 (_mm_cvtsd_si64): Likewise.
2412 (_mm_cvttsd_si64): Likewise.
2413 (_mm_cvtsi64_sd): Likewise.
2414 (_mm_cvtsi64_si128): Likewise.
2415 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2416 (_mm_cvtsi64_m64): Likewise.
2417 (_m_to_int64): Likewise.
2418 (_mm_cvtm64_si64): Likewise.
2419 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2420 (_mm_cvttss_si64): Likewise.
2421 (_mm_cvtsi64_ss): Likewise.
2422 (_mm_cvtss_f32): Likewise.
2424 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2426 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2427 for pragma redefine_extname.
2429 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2432 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2433 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2434 -mno-minimal-toc to previous content.
2435 (bispecs): Remove goal.
2436 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2437 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2438 compatibility aliases on powerpc-*-*gnu*.
2439 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2440 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2441 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2442 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2443 (ldblspecs): New goal.
2444 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2445 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2447 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2448 L_sf_to_tf or L_df_to_tf is defined.
2450 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2451 Alan Modra <amodra@bigpond.net.au>
2454 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2455 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2456 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2457 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2458 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2459 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2460 (rs6000_override_options): Initialize rs6000_ieeequad.
2461 Initialize TFmode format to ibm_extended_format if not
2463 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2465 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2466 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2467 (function_arg_advance): IBM long double passed in two FPRs, not
2469 (function_arg): IBM long double passed in FPRs.
2470 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2471 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2472 Only multireg GPR aligned.
2473 (rs6000_init_libfuncs): Enable IBM long double functions if not
2475 (rs6000_generate_compare): Use IBM long double compare if not
2477 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2478 (TARGET_IEEEQUAD): Define.
2479 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2480 not TARGET_IEEEQUAD.
2481 * config/rs6000/rs6000.md: Enable TFmode patterns if
2483 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2484 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2485 and -mlong-double-128 are incompatible.
2486 * doc/invoke.texi (-mabi): Collect options together. Add
2487 ibmlongdouble and ieeelongdouble.
2489 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2491 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2493 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2494 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2495 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2496 * rtl.h (rtunion_def): Remove rt_ptr.
2498 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2499 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2500 * config/i386/winnt.c (i386_pe_mark_dllexport)
2501 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2503 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2505 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2507 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2511 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2512 pthread_key_delete. From John David Anglin. gthrw-ify
2513 pthread_getunique_np only if it it's not a macro. Delete
2515 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2516 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2517 __gthread_objc_condition_signal, __gthread_key_delete): Add
2518 "__attribute__ ((__unused__))" to unused arguments.
2519 (__gthread_recursive_mutex_init_function): Add missing return.
2520 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2521 gthr-posix95.h: Use macro-based approach for name redirection
2522 on targets missing weakref.
2524 2006-01-26 Zack Weinberg <zackw@panix.com>
2526 * genconditions.c (write_header): In generated code, #ifdef out
2527 all includes and fake declarations, except includes of bconfig.h
2528 and system.h, unless GCC_VERSION >= 3001. Do not include
2529 gensupport.h in any case.
2530 (write_conditions): Generate a definition of struct c_test. Add
2531 a comment to the generated #endif.
2532 (write_one_condition): Escape backslashes in string too.
2533 (write_writer): Generated code must escape backslashes and quote
2534 marks (but not newlines) in the strings it writes.
2535 * Makefile.in (build/gencondmd.o): Update dependencies.
2537 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2540 * Makefile.in (insn-automata.o): Add header file dependencies.
2541 * genautomata.c: Add includes.
2543 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2546 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2548 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2550 * configure.ac: Expect target tools paths to be passed from the toplevel
2551 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2553 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2555 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2558 * c.opt (Wpointer-sign): Init to -1.
2559 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2560 OPT_pedantic, to 0 otherwise.
2561 * doc/invoke.texi: Update.
2563 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2565 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2566 constants provided by 80387 instructions in the destination mode.
2568 2006-01-26 Richard Guenther <rguenther@suse.de>
2569 Andrew Pinski <pinskia@physics.uc.edu>
2572 partial PR tree-opt/17064
2573 * tree-ssa-structalias.c (intra_create_variable_infos):
2574 Create heap variables for incoming parameters if
2575 flag_argument_noalias > 1.
2576 (find_what_p_points_to): Look through default defs of
2579 2006-01-26 Jeff Law <law@redhat.com>
2582 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2583 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2584 within the VR_RANGE, use the VR_RANGE as the result, not the
2586 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2587 bounds for the type.
2589 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2591 * tree-ssa-alias.c (maybe_create_global_var): Change
2592 subvar walking to an assertion that we don't have subvar'd variables.
2594 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2597 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2598 Use a new variable, inner. PARM_DECLs are always non-weak.
2600 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2602 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2605 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2607 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2609 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2611 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2612 (smax_insn, smin_insn, smax_0, smin_0): New.
2614 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2617 * config/cris/cris.c (cris_order_for_addsi3): New function.
2618 * config/cris/cris-protos.h: Prototype it.
2619 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2620 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2621 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2622 (split for "op.S1 [rx=rx+i],ry (swapped)")
2623 (split for "op(s|u).S1 [rx=rx+i],ry")
2624 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2625 Apply cris_order_for_addsi3 when generating addsi3 insns.
2627 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2629 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2630 (TREE_BLOCK): Add call to EXPR_CHECK.
2632 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2635 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2636 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2637 (dump_omp_clauses): ... here.
2638 (dump_generic_node): Handle OMP_CLAUSE.
2639 * tree.c (omp_clause_num_ops): New.
2640 (omp_clause_code_name): New.
2641 (tree_code_size): Handle OMP_CLAUSE.
2642 (tree_size): Likewise.
2643 (make_node): Document handling of OMP_CLAUSE.
2644 (tree_node_structure): Handle OMP_CLAUSE.
2645 (omp_clause_check_failed): New.
2646 (omp_clause_range_check_failed): New.
2647 (omp_clause_operand_check_failed): New.
2648 (build_omp_clause): New.
2649 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2650 * tree.h (enum omp_clause_code): Declare.
2651 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2652 (OMP_CLAUSE_RANGE_CHECK): Define.
2653 (OMP_CLAUSE_ELT_CHECK): Define.
2654 (omp_clause_check_failed): Declare.
2655 (omp_clause_operand_check_failed): Declare.
2656 (omp_clause_range_check_failed): Declare.
2657 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2658 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2659 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2660 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2661 (OMP_CLAUSE_IF_EXPR): Likewise.
2662 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2663 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2664 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2665 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2666 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2667 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2668 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2669 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2670 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2671 (OMP_CLAUSE_CODE): Define.
2672 (OMP_CLAUSE_SET_CODE): Define.
2673 (OMP_CLAUSE_CODE): Define.
2674 (OMP_CLAUSE_OPERAND): Define.
2675 (struct tree_omp_clause): Declare.
2676 (union tree_node): Add field 'omp_clause'.
2677 * treestruct.def (TS_OMP_CLAUSE): Define.
2678 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2679 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2680 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2681 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2682 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2683 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2684 (OMP_CLAUSE): Define.
2685 * print-tree.c (print_node): Handle OMP_CLAUSE.
2686 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2687 * c-typeck.c: Likewise.
2688 * gimplify.c: Likewise.
2689 * c-omp.c: Likewise.
2690 * tree-nested.c: Likewise.
2691 * tree-inline.c: Likewise.
2692 * c-parser.c: Likewise.
2693 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2696 2006-01-25 Roger Sayle <roger@eyesopen.com>
2698 PR rtl-optimization/25703
2699 * combine.c (try_combine): Handle zero_extract and strict_low_part
2700 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2702 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2704 * global.c: Fix comment typos.
2706 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2709 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2710 Use output_addr_const instead of assemble_name.
2712 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2714 * Makefile.in (sched-vis.o): Update dependencies.
2715 * haifa-sched.c (sched_finish): Clear current_sched_info.
2716 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2717 (dump_flow_info): Call it.
2718 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2720 * basic-block.h (dump_bb_info): Declare.
2721 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2722 option, and apply options only for dump files whose TDF_RTL,
2723 TDF_TREE, or TDF_IPA bits match.
2724 * rtl.h: Declare new functions exported from sched-vis.c.
2725 * sched-vis.c: Enable also if scheduling is not used.
2726 (print_value): Print the mode of registers if not inside scheduling.
2727 (print_insn): Make it work outside the scheduler. Beautify the output
2729 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2731 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2733 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2734 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2735 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2736 depending on the value of CONSTANT_POOL_ADDRESS_P.
2737 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2739 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2740 rather than SYMBOL_REF_DECL.
2741 (rtx_constant_pool): Remove const_rtx_sym_htab.
2742 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2743 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2744 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2745 Remove handling of const_rtx_sym_htab.
2746 (find_pool_constant): Delete.
2747 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2748 rather than find_pool_constant.
2749 (get_pool_constant_for_function): Delete.
2750 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2752 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2753 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2754 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2755 (SYMBOL_REF_CONSTANT): New macro.
2756 (get_pool_constant_for_function): Delete.
2757 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2758 rather than SYMBOL_REF_DECL.
2759 (i386_pe_mark_dllimport): Likewise.
2760 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2761 rather than SYMBOL_REF_DECL.
2762 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2763 (machopic_indirect_call_target): Likewise.
2765 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2767 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2769 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2771 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2773 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2775 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2777 2006-01-24 David Daney <ddaney@avtrex.com>
2780 * configure.ac (enable_tls): New enable option.
2781 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2782 * configure: Regenerate.
2783 * doc/install.texi (--enable-tls): Document new option.
2784 (--disable-tls): Ditto.
2786 2006-01-24 Richard Henderson <rth@redehat.com>
2788 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2789 * alias.c (true_dependence): Respect it.
2790 (canon_true_dependence, write_dependence_p): Likewise.
2791 * builtins.c (get_builtin_sync_mem): Set it.
2793 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2795 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2798 2006-01-24 DJ Delorie <dj@redhat.com>
2800 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2801 for storing constants in single-bit bitfields.
2803 2006-01-25 Ben Elliston <bje@au.ibm.com>
2805 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2807 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2810 * tree-ssa-pre.c (phi_translate): Return NULL
2811 for AGGREGATE_TYPE's.
2813 2006-01-24 Zack Weinberg <zackw@panix.com>
2815 * genautomata.c (process_state_for_insn_equiv_partition):
2816 Use xcalloc for insn_arcs_array.
2817 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2818 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2820 2006-01-24 Richard Henderson <rth@redhat.com>
2822 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2825 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2827 PR rtl-optimization/25890
2828 PR rtl-optimization/25905
2829 * combine.c (expand_compound_operation, expand_field_assignment):
2830 Fail if the bitfield's final position is out of bounds.
2832 2006-01-24 Ian Lance Taylor <ian@airs.com>
2835 * cgraphunit.c (cgraph_output_in_order): Don't clear
2836 cgraph_asm_nodes until after asm strings have been output.
2838 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2840 * fix-header.c (read_scan_file): Add new parameter imultilib when
2841 calling register_include_chains.
2843 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2845 * omp-low.c: Update documentation.
2847 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2848 Daniel Berlin <dberlin@dberlin.org>
2852 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2853 return from the function.
2855 2006-01-22 Zack Weinberg <zackw@panix.com>
2857 * rtl.def (match_code): Add second argument.
2858 * genpreds.c (write_extract_subexp): New function.
2859 (write_match_code): Add path argument. Use write_extract_subexp.
2860 (write_predicate_expr): Pass path to write_match_code.
2861 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2862 not perform a mode test.
2863 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2864 a subexpression does not constrain the top-level code set.
2865 * read-rtl.c (read_rtx_variadic): New function.
2866 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2867 * doc/md.texi: Document new notation.
2868 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2869 (cmpsi_operand): ... here, using new notation.
2871 2006-01-22 Zack Weinberg <zackw@panix.com>
2873 * varray.c: Remove GENERATOR_FILE #ifdefs.
2875 2006-01-22 Zack Weinberg <zackw@panix.com>
2877 * genautomata.c (output_reserved_units_table): Emit nothing if
2878 description->query_units_num is zero. Remove extra blank line.
2879 (output_cpu_unit_reservation_p): Short circuit
2880 if description->query_units_num is zero.
2882 2006-01-22 Zack Weinberg <zackw@panix.com>
2884 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2885 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2886 nor any of the random handful of variables that used to be necessary
2887 when this program was linked with rtlanal.o. Prune set of forward
2888 function declarations.
2889 (struct attr_desc): Remove static_p field.
2890 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2891 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2892 (attr_string): Do not read the character one past the length of
2894 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2895 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2896 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2897 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2898 (make_automaton_attrs): New.
2899 (main): Do not call into genautomata. Call local gen_bypass
2900 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2901 Remove special case for insn_alts.
2902 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2903 varray.h (leftover from previous change). Prune set of forward
2904 function declarations. Remove state_alts fields from all
2905 structures. Remove state_alts_table from struct automaton.
2906 Make everything except main static. Do not maintain num_dfa_decls.
2907 Do not maintain state_alts fields of various structures.
2908 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2909 (add_arc): Remove state_alts argument. All callers updated.
2910 (output_reserved_units_table): Emit #ifdef here...
2911 (output_tables): ...not here. Don't generate state_alts tables.
2912 (expand_automata): Don't generate attributes.
2913 (write_automata): Don't generate state_alts functions.
2914 (main): New function.
2915 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2916 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2917 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2918 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2919 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2920 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2921 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2922 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2924 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2925 * genattrtab.h: Delete file.
2926 * Makefile.in (OBJS-common): Add insn-automata.o.
2927 (insn-automata.o): New rule.
2928 (simple_generated_c): Add insn-automata.c.
2929 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2930 (genprogmd): Add automata.
2931 (build/genattrtab): Needs no extra objects nor libraries.
2932 (build/genautomata): Needs build/vec.o and -lm.
2934 2006-01-22 Zack Weinberg <zackw@panix.com>
2936 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2937 (output_dfa_max_issue_rate, locked_states_num): Delete.
2938 (struct automaton): Add locked_states field.
2939 (output_dead_lock_vect): Save number of locked states in
2940 automaton->locked_states. If it is zero, don't print anything.
2941 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2942 (output_internal_dead_lock_func): Only test the dead_lock_vect
2943 for automata that have locked states.
2944 (output_statistics): Always print the number of locked states for
2945 each automaton. Calculate total number of locked states here.
2946 (write_automata): Don't call output_dfa_max_issue_rate.
2947 * genattrtab.c: Define length_unit_log as a const variable.
2948 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2949 max_insn_queue_index const.
2950 * final.c (length_unit_log): Declare const.
2951 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2953 2006-01-22 Zack Weinberg <zackw@panix.com>
2955 * genautomata.c: Include vec.h, not varray.h.
2956 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2957 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2958 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2959 VEC_* macros operating on appropriately typed vectors, or to
2960 malloced arrays when the size is known in advance. Const-ify
2961 many char* variables and function arguments. No functional changes.
2962 * Makefile.in (build/varray.o): Delete rule.
2963 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2964 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2966 2006-01-22 Zack Weinberg <zackw@panix.com>
2968 * gensupport.c: Define get_insn_name and record_insn_name here.
2969 (read_md_rtx): Call record_insn_name as appropriate.
2970 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2971 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2972 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2974 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2975 (BUILD_VARRAY): Delete.
2976 (genprognormal): Rename genprogmd. Fold in all programs from
2977 genprognoprint; also attrtab.
2978 (build/genattrtab): Just mention genautomata.o and varray.o.
2979 Reorganize a bit, add comments to make the categories clearer.
2981 2006-01-22 Zack Weinberg <zackw@panix.com>
2983 * genconditions.c (condition_table, add_condition): Delete.
2984 (write_conditions): Don't emit n_insn_conditions nor
2985 insn_elision_unavailable. Issue the gcc version #ifdef here,
2986 inside the table, with no #else clause ...
2987 (write_header): ...not here.
2988 (write_writer): New function.
2989 (main): Don't initialize condition_table. Use add_c_test.
2991 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2992 files on the command line.
2993 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2994 Return -1 if there is no entry in the table, don't abort.
2995 (add_c_test, traverse_c_tests): New functions.
2996 * gensupport.h (insn_elision_unavailable, insn_conditions)
2997 (n_insn_conditions): Delete declarations.
2998 (add_c_test, traverse_c_tests): Declare.
2999 * read-rtl.c: Include gensupport.h.
3000 (read_conditions): New function.
3001 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3002 (read_rtx_1): If we get EOF when we were looking for an initial
3003 open paren, return 0. Call read_conditions when appropriate.
3004 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3005 dummy-conditions.o. Eliminate references to insn-conditions.o,
3006 or change them to build/gencondmd.o, as appropriate. Remove
3007 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3008 from $(simple_generated_c). For all files remaining in those
3009 two lists, add insn-conditions.md to the generator command line.
3010 Give insn-constants.h/s-constants their own rules. Add rules
3011 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3012 (build/read-rtl.o): Depend on gensupport.h.
3013 (genprognormal): Include preds.
3014 (genprogearly): Rename genprognoprint; only difference is now that
3015 they don't link with $(BUILD_PRINT).
3016 * dummy-conditions.c: Delete.
3018 2006-01-22 Zack Weinberg <zackw@panix.com>
3020 * genextract.c: Don't include insn-config.h. Do include vec.h.
3021 Declare vectors of int, char, and locstr.
3022 (locstr): New typedef.
3023 (struct extraction): Make all array fields into bare pointers.
3024 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3025 (insn_code_number): Delete.
3026 (accum_extract): New struct.
3027 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3028 (gen_insn): Take insn_code_number as an argument. Use an
3029 accum_extract structure instead of loading data directly into
3030 a struct extraction, and having to know how big it might get.
3031 (walk_rtx): Operate entirely on an accum_extract structure.
3032 (print_path): Avoid unnecessary use of printf.
3033 (print_header): New function, split out of main. Distinguish
3034 more carefully between an unrecognizable insn and an insn that
3035 has the code number of a define_expand.
3036 (main): Pass insn_code_number to gen_insn. Call print_header
3037 only after parsing. Avoid unnecessary use of printf.
3038 * Makefile.in (build/vec.o): New rule.
3039 (build/genextract): Depend on build/vec.o.
3040 (build/genextract.o): Don't depend on insn-config.h.
3042 2006-01-22 Zack Weinberg <zackw@panix.com>
3044 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3045 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3046 practical. Eliminate per-generator-program link rules.
3048 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3051 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3052 with a call expr to ...
3053 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3055 2006-01-23 Richard Guenther <rguenther@suse.de>
3057 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3058 before make_edge with conditional EDGE_TRUE_VALUE.
3060 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3061 Jan Hubicka <jh@suse.cz>
3062 Richard Guenther <rguenther@suse.de>
3064 PR rtl-optimization/25654
3065 * cfgexpand.c (aggregate_contains_union_type): New function.
3066 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3067 for structure variables that contain a union type.
3069 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3071 * gengtype.c (new_structure): Return the structure.
3072 (create_option): Add an extra "next" argument.
3073 (create_field): New function.
3074 (adjust_field_rtx_def): Use create_option and create_field.
3075 Remove a now-unnecessary call to find_structure.
3076 (adjust_field_tree_def): Likewise.
3077 (note_yacc_type): Remove an unnecessary call to find_structure.
3078 * gengtype.h (new_structure): Return the structure.
3079 (create_option): Add an extra argument.
3080 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3081 (option): Adjust calls to create_option.
3083 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3085 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3087 2006-01-22 Paul Brook <paul@codesourcery.com>
3088 Peter Barada <peter@the-baradas.com>
3090 * config/m68k/m68k.md: Add Coldfire FPU support.
3091 Define FP mode macro and associated attributes.
3092 Use it for float mode patterns.
3093 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3094 (LIBCALL_VALUE): Use m68k_libcall_value.
3095 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3096 (m68k_function_value): Ditto.
3097 (emit_move_sequence): Ditto.
3098 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3099 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3100 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3101 (MULTILIB_EXCEPTIONS): Ditto.
3102 * config/m68k/m68k.opt: Add mcfv4e.
3103 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3104 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3105 (m68k_output_function_prologue): Save ColdFire FPU registers.
3106 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3107 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3108 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3109 ColdFire FPU registers.
3110 (m68k_libcall_value, m68k_function_value): New functions.
3111 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3112 (LIBCALL_VALUE): Use m68k_libcall_value.
3113 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3114 (MASK_COLDFIRE): Add MASK_CFV4E.
3115 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3116 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3117 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3118 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3119 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3120 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3121 * doc/invoke.tex: Document -mcfv4e on m68k.
3123 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3125 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3128 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3131 * c-opts.c (c_common_handle_option): Don't include
3132 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3133 * doc/invoke.texi (C++ Dialect Options): Document that
3134 -Wnon-virtual-dtor is no longer included in -Wall.
3136 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3138 * gcov.c (print_version), gcov-dump.c (print_version),
3139 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3142 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3144 * df-scan.c (problem_SCAN): Added NULL reset function.
3145 (df_scan_reset_blocks): Added code to call reset block function
3146 (df_bb_refs_delete) Fixed comment.
3147 (df_insn_refs_delete): Made tolerant of deleting non existent info
3148 for dataflow problems that need to be reset.
3149 * df-core.c (df_set_blocks): Ditto.
3150 * df.h (struct df_problem): Added reset_fun.
3151 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3152 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3153 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3154 functions to clear out all references to def-use or use-def chains.
3156 2006-01-21 Ben Elliston <bje@au.ibm.com>
3158 * varasm.c (assemble_real): Initialise data array.
3160 2006-01-20 Paul Brook <paul@codesourcery.com>
3162 Merge from csl-arm-branch.
3163 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3164 * config/arm/arm.md (movdi): Force operands[1] to a register
3165 if we have a non-register source.
3166 (*arm_movdi, *movdf_soft_insn): Require that one of the
3167 operands be a register.
3168 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3169 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3171 2006-01-20 DJ Delorie <dj@redhat.com>
3173 * varasm.c (initialize_constant_valid_p): Allow pointers
3174 initialized from integer constants of lesser precision.
3175 (output_constant): Allow non-int-sized pointer modes to be
3176 initialized from integer constants.
3178 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3181 * cppdefault.h (struct default_include): Add multilib flag.
3182 * cppdefault.c (cpp_include_defaults): Set it.
3183 * c.opt (-imultilib): New option.
3184 * c-opts.c (imultilib): New.
3185 (c_common_handle_option): Handle -imultilib.
3186 (c_common_post_options): Likewise.
3187 * c-incpath.c (add_standard_paths, register_include_chains):
3189 * c-incpath.h (register_include_chains): Add extra parameter.
3190 * gcc.c (do_spec_1): Generate -imultilib option.
3191 (The Specs Language): Update %I description.
3192 (process_command): Update copyright notice.
3193 * doc/cppopts.texi (-imultilib): Document.
3194 * doc/invoke.texi (-imultilib): Include in option summary.
3195 (%I): Update specs documentation.
3197 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3199 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3201 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3203 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3206 2006-01-20 Richard Guenther <rguenther@suse.de>
3207 Steven Bosscher <stevenb.gcc@gmail.com>
3209 PR rtl-optimization/24626
3210 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3211 EDGE_TRUE_VALUE if in RTL mode.
3214 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3215 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3217 2006-01-20 Dirk Mueller <dmueller@suse.com>
3220 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3221 instead of a special NOP marker.
3222 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3223 NOP marker handling.
3224 * c-common.h (empty_body_warning): Add forward declaration.
3225 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3226 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3228 2006-01-20 Paul Brook <paul@codesourcery.com>
3230 * Makefile.in (lang_checks): Keep going if mkdir fails.
3232 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3234 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3235 be able to clean out basic block when not necessary.
3236 (df_scan_free): Fixed to properly delete information if df is
3237 unused before calling df_finish.
3238 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3239 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3241 (df_bb_refs_delete): New function.
3242 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3243 * df-core.c (df_set_blocks): Added code to properly clean out
3244 unused blocks if they are not part of the blocks to consider.
3245 Added additional null check.
3246 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3247 be able to clean out basic block when not necessary
3248 * df.h (df_free_bb_function): Ditto.
3249 (df_bb_refs_delete): New function.
3250 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3251 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3252 basic block parameter to be able to clean out basic block when not
3254 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3255 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3256 Fixed to properly delete information if df is unused before
3259 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3261 PR rtl-optimization/25799
3262 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3263 Corrected confluence operator to remove bits from op2 before oring
3264 with op1 rather than removing bits from op1.
3265 (df_ru_transfer_function): Corrected test on wrong bitmap which
3266 caused infinite loop. Both of these problems were introduced in
3267 the dataflow rewrite.
3269 2006-01-19 DJ Delorie <dj@redhat.com>
3271 * reload1.c (find_reload_regs): Note the details of reload
3272 failures in the dump file.
3273 (spill_failure): Likewise.
3275 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3277 * loop-iv.c: Include df.h and hashtab.h.
3278 (enum iv_grd_result): New enum.
3279 (DF_REF_IV, DF_REF_IV_SET): New macros.
3280 (struct biv_entry): New.
3281 (df, bivs): New global variables.
3282 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3283 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3285 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3286 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3287 analyzed_for_bivness_p, record_biv): New functions.
3288 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3289 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3290 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3292 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3294 (iv_number_of_iterations): Use new interface to iv analysis.
3295 * loop-unroll.c: Do not include varray.h.
3296 (analyze_iv_to_split_insn): Use new interface to iv
3298 * loop-unswitch.c (may_unswitch_on): Ditto.
3299 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3301 (df_bb_modify): Realloc tables to the new index.
3302 (df_find_use): New function.
3303 * df.h (df_find_use): Declare.
3304 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3306 * cfgloop.h (struct rtx_iv): Remove analysed field.
3307 (iv_get_reaching_def): Removed.
3308 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3309 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3310 (loop-iv.o): Add df.h and hashtab.h dependency.
3311 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3313 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3316 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3318 (__floatundisf, __floatundidf): Likewise.
3319 * libgcc2.h (IS_IBM_EXTENDED): Define.
3321 2006-01-19 DJ Delorie <dj@redhat.com>
3323 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3325 2006-01-19 Paul Brook <paul@codesourcery.com>
3327 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3328 as nothrow when unwinding tables are disabled.
3330 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3333 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3334 of bit-field" when in system header.
3336 2006-01-19 DJ Delorie <dj@redhat.com>
3338 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3339 the 16 bit shift limit of the m16c.
3341 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3344 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3345 * config/i386/i386.c (output_set_got): Output the label if we have one
3346 for the TARGET_DEEP_BRANCH_PREDICTION case.
3348 2006-01-19 Jan Hubicka <jh@suse.cz>
3349 H.J. Lu <hongjiu.lu@intel.com>
3350 Evandro Menezes <evandro.menezes@amd.com>
3352 * invoke.texi (generic): Document
3354 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3355 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3356 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3357 (x86_use_incdec, x86_pad_returns): New variables
3358 (TARGET_CPU_DEFAULT_generic): New constant
3359 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3360 (enum processor_type): Add generic32 and generic64.
3361 * i386.md (cpu attribute): Add generic32/generic64
3362 (movhi splitter): Behave sanely when both partial_reg_dependency and
3363 partial_reg_stall are set.
3364 (K8 splitters): Enable for generic as well.
3365 * predicates.md (incdec_operand): Use TARGET_INCDEC
3366 (aligned_operand): Avoid memory mismatch stalls.
3367 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3368 * ppro.md: Enable for generic32
3369 * i386.c (generic64_cost, generic32_cost): New.
3370 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3371 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3372 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3373 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3374 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3375 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3376 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3377 x86_accumulate_outgoing_args, x86_prologue_using_move,
3378 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3379 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3381 (x86_use_incdec, x86_pad_returns): New.
3382 (override_options): Add generic32 and generic64, translate "generic"
3383 to generic32/generic64 and "i686" to "generic32", refuse
3384 "generic32"/"generic64" as arch target.
3385 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3386 (ix86_reorg): Honor PAD_RETURNS.
3388 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3390 * tree-pretty-print.c (dump_generic_node): Handle
3391 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3392 * cgraph.c (cgraph_expand_queue): Rename from
3393 cgraph_analyze_queue. Update all users.
3394 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3395 cgraph_expand_queue.
3396 (cgraph_expand_all_functions): Likewise.
3397 (cgraph_finalize_pending_functions): Remove. Update callers.
3399 * tree.h (OMP_DIRECTIVE_P): Define.
3400 (OMP_PARALLEL_FN): Define.
3401 (OMP_PARALLEL_DATA_ARG): Define.
3402 (OMP_SECTIONS_SECTIONS): Define.
3403 * tree-pass.h (pass_expand_omp): Declare.
3404 * omp-low.c (struct omp_region): Declare.
3405 (struct omp_context): Remove fields 'parallel_type',
3406 'parallel_start_ix' and 'parallel_start_additional_args'.
3408 (struct omp_for_data): Rename from struct expand_omp_for_data.
3409 (omp_regions): New static variable.
3410 (root_omp_region): New static variable.
3411 (find_omp_clause): Make static.
3412 (is_in_combined_parallel_ctx): Remove.
3413 (is_combined_parallel): New.
3414 (extract_omp_for_data): Move earlier in the file.
3415 (workshare_safe_to_combine_p): New.
3416 (get_ws_args_for): New.
3417 (determine_parallel_type): Move earlier in the file.
3418 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3420 (omp_copy_decl): Likewise.
3421 (create_omp_child_function): Likewise.
3422 (lookup_omp_region): New.
3423 (dump_omp_region): New.
3424 (debug_omp_region): New.
3425 (debug_all_omp_regions): New.
3426 (new_omp_region): New.
3427 (scan_omp_parallel): If parallel_nesting_level > 1, the
3428 directive is nested within another parallel directive.
3429 Set OMP_PARALLEL_FN.
3430 (scan_omp_for): Do not try to handle combined parallel+for
3432 Remove FIXME comment.
3433 (scan_omp_nested): Remove.
3434 (scan_omp_1): Do not call scan_omp_nested when
3435 parallel_nesting_level is > 1.
3436 Do not change the DECL_CONTEXT of local variables found.
3437 (lookup_decl_in_outer_ctx): New.
3438 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3439 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3440 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3441 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3442 If CTX is nested, lookup VAR in the outer context when
3443 building copy assignment.
3444 (lower_send_clauses): Rename from expand_send_clauses.
3445 If CTX is nested, lookup VAR in the outer context when
3446 building copy assignments.
3447 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3448 If CTX is nested, lookup VAR in the outer context when
3449 building copy assignments.
3450 (expand_parallel_call): Rename from build_parallel_call.
3451 Handle combined parallel+workshare cases.
3452 Re-implement to emit code into the CFG.
3454 (expand_omp_parallel): Re-implement to emit code into the CFG.
3455 Call move_sese_region_to_fn to outline the sub-graph
3456 containing the parallel region.
3457 (expand_omp_for_1): Remove.
3458 (expand_omp_for_generic): Re-implement to emit code into the
3460 (expand_omp_for_static_nochunk): Likewise.
3461 (expand_omp_for_static_chunk): Likewise.
3462 (expand_omp_for): Likewise.
3463 (expand_omp_sections): Likewise.
3464 (remove_exit_barriers): New.
3465 (expand_omp_synch): New.
3467 (build_omp_regions_1): New.
3468 (build_omp_regions): New.
3469 (execute_expand_omp): New.
3470 (gate_expand_omp): New.
3471 (pass_expand_omp): Define.
3472 (lower_omp_sections): Rename from expand_omp_sections.
3473 Set OMP_SECTIONS_SECTIONS.
3474 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3475 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3476 (lower_omp_single): Rename from expand_omp_simple.
3477 (lower_omp_master): Rename from expand_omp_master.
3478 (lower_omp_ordered): Rename from expand_omp_ordered.
3479 (lower_omp_critical): Rename from expand_omp_critical.
3480 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3481 (lower_omp_for): Re-implement.
3482 (lower_omp_parallel): Re-implement.
3483 (lower_regimplify): Rename from expand_regimplify.
3484 (lower_omp_1): Rename from expand_omp_1.
3485 If there are syntax errors in the program, replace every
3486 OpenMP directive with NOP.
3487 Call lower_omp_* instead of expand_omp_*.
3488 (lower_omp): Rename from expand_omp.
3490 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3491 * tree-gimple.h (enum omp_parallel_type): Remove.
3492 (gimple_boolify): Declare extern.
3493 (find_omp_clause, determine_parallel_type): Remove.
3495 * gimple-low.c (lower_omp_directive): New.
3496 (lower_stmt): Call it.
3497 (record_vars_into): Move from ...
3498 (record_vars): ... here.
3499 Call record_vars_into with current_function_decl.
3501 * gimplify.c (struct gimplify_ctx): Remove fields
3502 combined_pre_p and combined_ctxp. Update users.
3503 (get_formal_tmp_var): Add documentation.
3504 (gimple_boolify): Make extern.
3505 (gimplify_expr_in_ctx): Remove. Update callers.
3506 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3507 will always be a BIND_EXPR.
3508 (gimplify_expr): Handle OMP_RETURN_EXPR.
3509 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3510 (OMP_PARALLEL): Add 3 operands.
3511 (OMP_SECTIONS): Add 1 operand.
3512 (OMP_RETURN_EXPR): Define.
3514 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3515 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3516 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3517 creating a circular free list.
3518 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3520 * tree-flow.h (move_sese_region_to_fn): Declare.
3521 (record_vars_into): Declare.
3522 * tree-cfg.c (make_omp_sections_edges): New.
3523 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3524 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3525 OMP_SECTIONS and OMP_SECTION.
3526 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3527 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3528 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3529 (gather_blocks_in_sese_region): New.
3530 (struct move_stmt_d): Declare.
3532 (move_block_to_fn): New.
3533 (move_sese_region_to_fn): New.
3535 * passes.c (init_optimization_passes): Schedule
3536 pass_expand_omp after pass_init_datastructures.
3538 * tree-ssa-operands.c (get_expr_operands): Handle
3539 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3540 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3542 2006-01-19 Jeff Law <law@redhat.com>
3544 * tree-vrp.c (extract_range_from_assert): Refine the result range
3545 if the variable referenced by the ASSERT_EXPR has a range and
3546 either the tentative result range or the previous range is a
3549 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3551 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3553 2006-01-19 Jan Hubicka <jh@suse.cz>
3555 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3557 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3559 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3560 (expand_compound_operation, expand_field_assignment): Fail if the
3561 bit lengths of an extract operation are out of range.
3562 (make_extraction): Compute wanted_inner_mode based on the position
3563 and length of the extraction. Make it extraction_mode for non-constant
3564 positions, and do not modify offset in that case. When generating a
3565 new MEM, use a mode that can hold the extraction while keeping correct
3566 alignment. Remove code that supported MEMs wrapped by USEs.
3567 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3569 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3571 * config/s390/s390.md ("Y", "y"): New mode attribute.
3572 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3573 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3574 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3575 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3576 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3577 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3578 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3579 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3580 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3581 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3582 "addsi3", "subsi3"): Insn patterns removed.
3583 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3584 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3585 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3586 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3587 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3588 "*sub<mode>3_cconly2"): New insn patterns.
3589 ("addsi3", "subsi3"): New expanders.
3591 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3593 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3594 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3595 existing STMT_VINFO_VECTYPE if available.
3596 (vect_mark_relevant): Add special handling for stmts that are
3597 marked as STMT_VINFO_IN_PATTERN_P.
3598 (vect_analyze_loop): Call vect_pattern_recog.
3599 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3600 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3602 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3603 (vect_recog_func_ptr): New function-pointer type.
3604 * tree-vect-patterns.c: New file.
3605 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3606 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3607 (vect_pattern_recog_1): New functions.
3608 (vect_pattern_recog_funcs): New array of function pointers.
3610 * tree-vectorizer.h (ternary_op): New enum value.
3611 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3612 declaration. Revised documentation. Removed redundant dump prints.
3613 Removed redundant argument. Added support for reduction patterns.
3614 (vectorizable_reduction): Added support for reduction patterns.
3615 (vect_transform_stmt): Added support for patterns.
3617 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3618 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3619 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3620 (expand_widen_pattern_expr): New function.
3621 (init_optabs): Initialize new optabs udot_prod_optab,
3623 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3624 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3625 (expand_widen_pattern_expr): New function declaration.
3626 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3628 * tree-inline.c (estimate_num_insns_1): Added cases for new
3629 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3630 * tree-pretty-print.c (dump_generic_node): Likewise.
3631 (op_prio): Likewise.
3632 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3633 * tree-ssa-operands.c (get_expr_operands): Added case for
3635 * tree-vect-patterns.c (widened_name_p): New function.
3636 (vect_recog_dot_prod_pattern): Added function implementation.
3637 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3638 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3639 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3640 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3642 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3643 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3644 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3645 (init_optabs): Initialize new optabs widen_ssum_optab,
3647 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3648 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3649 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3650 use instead of type of def.
3651 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3652 function implementation.
3653 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3654 widen_ssumv8hi): New.
3656 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3659 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3662 * c-decl.c (add_flexible_array_elts_to_size): New function.
3663 (finish_decl): Use it.
3665 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3667 * diagnostic.h: Include options.h.
3668 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3669 dependancies for diagnostic.h.
3670 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3672 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3674 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3675 (ssa_ro_call_cache_valid): Ditto.
3676 * tree-ssa-alias.c (sort_tags_by_id): New function.
3677 (init_transitive_clobber_worklist): Ditto.
3678 (add_to_worklist): Ditto.
3679 (mark_aliases_call_clobbered): Ditto.
3680 (compute_tag_properties): Ditto.
3681 (set_initial_properties): Ditto.
3682 (compute_call_clobbered): Ditto.
3683 (compute_may_aliases): Call compute_call_clobbered and grouping.
3684 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3685 (compute_flow_insensitive_aliasing): Grouping now happens in our
3687 (setup_pointers_and_addressables): Remove clobbering related code.
3688 (add_may_alias): Ditto.
3689 (replace_may_alias): Ditto.
3690 (get_nmt_for): Ditto.
3691 (create_global_var):
3692 (is_escape_site): Return an escape_type enumeration.
3693 * tree-flow-inline.h (is_call_clobbered): Global var does not
3694 imply call clobbered.
3695 (mark_call_clobbered): Take a reason for marking this. Remove
3696 marking of globalness, and cache invalidation.
3697 (clear_call_clobbered): Remove cache invalidation code.
3698 * tree-dfa.c (dump_variable): If details is on, dump the reason
3700 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3702 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3703 (struct var_ann_d): Ditto.
3704 (enum escape_type): New.
3705 (mark_call_clobbered): Adjust prototype.
3706 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3707 are never call clobbered.
3708 Record reasons for escaping.
3709 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3710 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3711 (ssa_ro_call_cache_valid): Ditto.
3712 (clobbered_v_may_defs): Ditto.
3713 (clobbered_vuses): Ditto.
3714 (ro_call_vuses): Ditto.
3715 (clobber_stats): New.
3716 (init_ssa_operands): Zero out clobber stats.
3717 (fini_ssa_operands): Print out clobber stats.
3718 (get_call_expr_operands): Pass callee fndecl to
3720 (add_call_clobber_ops): Remove use of cache.
3721 Add use of PURE_CONST information.
3722 (add_call_read_ops): Remove use of cache.
3723 Add use of static not_read information.
3725 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3727 Introduce TLS descriptors for i386 and x86_64.
3728 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3729 (TARGET_ANY_GNU_TLS): New macro.
3730 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3731 (struct machine_function): Add tls_descriptor_call_expanded_p.
3732 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3733 (ix86_current_function_calls_tls_descriptor): Likewise.
3734 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3735 (override_options): Introduce gnu2 tls dialect.
3736 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3738 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3740 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3741 (ix86_init_machine_status): Initialize new field.
3742 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3743 (ix86_tls_module_base): New.
3744 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3745 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3746 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3747 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3748 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3749 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3750 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3751 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3752 * config/i386/predicates.md (tls_modbase_operand): New.
3753 (tp_or_register_operand): New.
3755 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3757 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3758 (look_for_address_of): Ditto.
3759 (ipa_init): Walk the function decls.
3760 (static_execute): Don't set readonly on FUNCTION_DECL's.
3762 2006-01-18 Roger Sayle <roger@eyesopen.com>
3764 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3765 for shifts where the source and destination registers are different.
3767 2006-01-18 Paul Brook <paul@codesourcery.com>
3769 Merge from csl-arm-branch.
3770 2005-03-14 Julian Brown <julian@codesourcery.com>
3771 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3772 (aeabi_llsl): Likewise.
3773 (ashrdi3): Likewise.
3774 (aeabi_lasr): Likewise.
3775 (lshrdi3): Likewise.
3776 (aeabi_llsr): Likewise.
3777 2005-03-10 Julian Brown <julian@codesourcery.com>
3778 * config.gcc: Disable shared libgcc for SymbianOS.
3779 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3781 2006-01-18 DJ Delorie <dj@redhat.com>
3783 * c-pragma.c (handle_pragma_diagnostic): New.
3784 (init_pragma): Register it.
3785 * doc/extend.texi: Document it.
3787 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3788 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3789 (diagnostic_context): Add classify_diagnostic[].
3790 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3791 as errors if they're overridden to DK_WARNING.
3792 (diagnostic_initialize): Initialize classify_diagnostic[].
3793 (diagnostic_set_kind_override): New.
3794 (diagnostic_report_diagnostic): Check for kind changes.
3795 * opts.c (common_handle_option): Take lang_mask. Update callers.
3797 * common.opt (Werror=): New.
3798 * doc/invoke.texi: Document -Werror=*
3800 2006-01-18 Jeff Law <law@redhat.com>
3802 * tree-vrp.c (test_for_singularity): Correct test for new
3803 min limit. Use operand_equal_p rather than pointer equality
3804 for testing if new min/max values are equal.
3806 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3807 using range information until after propagation and folding.
3809 2006-01-18 Richard Henderson <rth@redhat.com>
3810 Aldy Hernandez <aldyh@redhat.com>
3811 Jakub Jelinek <jakub@redhat.com>
3812 Diego Novillo <dnovillo@redhat.com>
3814 * omp-low.c: New file.
3815 * c-omp.c: New file.
3817 2006-01-18 Richard Henderson <rth@redhat.com>
3818 Jakub Jelinek <jakub@redhat.com>
3819 Diego Novillo <dnovillo@redhat.com>
3821 * doc/invoke.texi: Document -fopenmp.
3822 * tree-dump.h (debug_function): Declare.
3823 * hooks.c (hook_bool_tree_bool_false): New function.
3824 (hook_tree_tree_null): Remove.
3825 (hook_tree_tree_tree_null): New.
3826 * hooks.h: Update to match.
3827 * tree-pretty-print.c (debug_tree_chain): New.
3828 (print_generic_expr): Handle TDF_CHAIN.
3829 (dump_generic_node): Handle BLOCK.
3830 Do not abort with incomplete SWITCH_EXPRs.
3831 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3832 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3833 print space after directive name.
3834 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3835 Handle OMP_MASTER and OMP_ORDERED.
3836 Handle printing of OMP_BODY just in one place, goto
3837 dump_omp_body in the rest of OMP_* nodes that have
3839 Don't handle clause nodes here. Update omp statements to
3840 use dump_omp_clauses.
3841 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3842 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3843 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3844 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3845 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3846 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3847 Adjust output for GOMP_PARALLEL.
3848 (dump_omp_clauses): New.
3849 (print_declaration): Dump DECL_VALUE_EXPR.
3850 (op_symbol_1): Split out of op_symbol.
3851 (dumping_stmts): Remove. Update all users.
3852 * cgraph.c (cgraph_analyze_queue): New.
3853 (cgraph_add_new_function): New.
3854 * cgraph.h (cgraph_analyze_queue): Declare.
3855 (cgraph_add_new_function): Declare.
3856 (cgraph_lower_function): Remove.
3857 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3858 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3859 and TYPE_P nodes in its default clause.
3860 (empty_body_p): New.
3861 (tree_range_check_failed): New.
3863 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3864 OMP_CLAUSE_REDUCTION_MERGE,
3865 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3866 OMP_CLAUSE_PRIVATE_DEBUG,
3867 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3868 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3869 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3870 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3871 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3872 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3873 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3874 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3875 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3876 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3877 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3878 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3879 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3880 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3881 (TREE_RANGE_CHECK): New.
3882 (empty_body_p): Declare.
3883 (enum omp_clause_default_kind): New.
3884 (build_string_literal): Declare.
3885 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3886 (build5_stat, build5): Declare.
3887 * tree-pass.h (TDF_CHAIN): Define.
3888 * tree-pass.h (PROP_gimple_lomp): Define.
3889 (pass_lower_omp): Declare.
3890 * diagnostic.h (debug_tree_chain): Declare.
3891 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3893 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3894 * builtins.c (build_string_literal): Make extern.
3895 * gcc.c (include_spec_function): New.
3896 (static_spec_functions): Add it.
3897 (main): Move load of libgomp.spec ...
3898 (LINK_COMMAND_SPEC): ... here.
3899 (link_gomp_spec): New.
3900 (static_specs): Include it.
3901 (LINK_COMMAND_SPEC): Add link_gomp.
3902 (GOMP_SELF_SPECS): New.
3903 (driver_self_specs): Include it.
3904 (switch_matches): Don't mark inline.
3905 (main): Load libgomp.spec.
3906 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3907 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3908 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3909 * tree-gimple.h (enum omp_parallel): Declare.
3910 (determine_parallel_type): Declare.
3911 (omp_firstprivatize_variable): Declare.
3912 (omp_reduction_init): Declare.
3913 (diagnose_omp_structured_block_errors): Declare.
3914 (struct walk_stmt_info): Add want_return_expr.
3915 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3916 (find_omp_clause): Declare.
3917 (insert_field_into_struct): Declare.
3918 (struct walk_stmt_info): Move from tree-nested.c
3919 (walk_stmts): Declare.
3920 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3922 * cgraphunit.c (cgraph_lower_function): Make static.
3923 (cgraph_finalize_pending_functions): New.
3924 (cgraph_finalize_function): Call it.
3925 (cgraph_finalize_compilation_unit): Likewise.
3926 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3927 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3928 (BT_FN_UINT_UINT): New.
3929 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3930 DEF_FUNCTION_TYPE_VAR_4): Document.
3931 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3932 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3933 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3934 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3935 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3936 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3937 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3938 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3939 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3940 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3941 into separate files.
3942 (DEF_GOMP_BUILTIN): New.
3943 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3944 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3945 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3946 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3947 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3948 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3949 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3950 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3951 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3952 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3953 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3954 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3955 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3956 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3957 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3958 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3959 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3960 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3961 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3962 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3963 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3964 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3965 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3966 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3967 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3968 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3969 * sync-builtins.def: New file, moved from builtins.def.
3970 * omp-builtins.def: New file, moved from builtins.def.
3971 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3972 * gimple-low.c (lower_function_body): Clear data.
3973 (lower_stmt): Do not handle COMPOUND_EXPR.
3974 Remove call to print_node_brief.
3975 * c-tree.h (c_finish_omp_clauses): New prototype.
3976 (C_DECL_THREADPRIVATE_P): Define.
3977 (lookup_name_no_remap, c_omp_remap_private): Remove
3978 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3979 (check_for_loop_decls): Update decl.
3980 (lookup_name_no_remap, c_omp_remap_private): Declare.
3981 (build_indirect_ref, build_modify_expr, pushdecl,
3982 pushdecl_top_level): Move to c-common.h.
3983 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3984 before the switch, but just in the 2 places that need it.
3985 * c-decl.c (diagnose_mismatched_decls): Do not check for
3986 mismatched thread-local attributes when OLDDECL is marked
3987 threadprivate and NEWDECL has no thread-local attributes.
3988 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3989 (c_gimple_diagnostics_recursively): Rename from
3990 c_warn_unused_result_recursively. Invoke
3991 diagnose_omp_structured_block_errors.
3992 (check_for_loop_decls): Return a singular decl found.
3993 * langhooks.c (lhd_omp_predetermined_sharing): Return
3994 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3995 (lhd_omp_firstprivatize_type_sizes): New.
3996 (lhd_omp_assignment): New.
3997 (lhd_omp_predetermined_sharing): New.
3998 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3999 (struct lang_hooks_for_types): Add
4000 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4001 omp_predetermined_sharing, omp_disregard_value_expr,
4002 omp_private_debug_clause, omp_clause_default_ctor,
4003 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4004 (c_finish_omp_clauses): New.
4005 (c_finish_bc_stmt): Diagnose break within omp for.
4006 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4007 (build_unary_op): Return error_mark after reporting
4009 (build_modify_expr): Likewise.
4010 * gimplify.c: Include optabs.h and pointer-set.h.
4011 (enum gimplify_omp_var_data): Declare.
4012 (struct gimplify_omp_ctx): Declare.
4013 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4015 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4016 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4017 (splay_tree_compare_decl_uid): New.
4018 (new_omp_context): New.
4019 (delete_omp_context): New.
4020 (gimple_add_tmp_var): Call omp_add_variable.
4021 (gimplify_bind_expr): Likewise.
4022 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4023 true, disregard DECL_VALUE_EXPR on the decl if any.
4024 (gimplify_expr_in_ctx): New.
4025 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4026 omp_add_variable, omp_notice_variable, omp_is_private
4027 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4028 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4029 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4030 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4031 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4032 gimplify_omp_atomic): New.
4033 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4034 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4035 OMP_CRITICAL and OMP_ATOMIC.
4036 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4037 * c-pragma.h (enum pragma_kind): Add
4038 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4039 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4040 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4041 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4042 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4043 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4044 PRAGMA_OMP_THREADPRIVATE.
4045 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4046 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4047 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4048 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4049 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4050 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4051 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4052 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4054 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4055 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4056 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4057 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4059 (struct nesting_info): Add field_map,
4060 suppress_expansion, debug_var_chain.
4061 (create_nesting_tree): Initialize them.
4062 (lookup_field_for_decl): Use field_map.
4063 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4064 (convert_local_omp_clauses): New.
4065 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4066 (walk_body): Split out of walk_function.
4067 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4068 (convert_nonlocal_reference): Handle omp statements.
4069 (convert_local_reference): Likewise.
4070 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4071 (unnest_nesting_tree): New.
4072 (lower_nested_functions): Call it.
4073 (insert_field_into_struct): Make extern.
4074 (struct walk_stmt_info): Move to tree-gimple.h.
4075 (walk_stmts): Make extern.
4076 * omp-builtins.def: New file.
4077 * tree-iterator.c (expr_only): Clarify comment.
4078 * c-common.h (pushdecl_top_level, pushdecl,
4079 build_modify_expr, build_indirect_ref,
4080 c_finish_omp_master, c_finish_omp_critical,
4081 c_finish_omp_ordered, c_finish_omp_barrier,
4082 c_finish_omp_atomic, c_finish_omp_flush,
4083 c_finish_omp_for, c_split_parallel_clauses,
4084 omp_clause_default_kind, c_omp_sharing_predetermined,
4085 c_omp_remap_decl): Declare.
4086 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4087 (OBJS-common): Add omp-low.o.
4088 (c-omp.o, omp-low.o): Add.
4089 (gimplify.o): Add dependency on $(OPTABS_H).
4090 (GTFILES): Add omp-low.c.
4091 (gt-stringpool.h): Add.
4092 * tree-cfg.c (set_bb_for_stmt): Do not update the
4093 block-to-labels map if we are currently expanding to RTL.
4094 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4096 Handle IDENTIFIER_NODE.
4097 (tree_verify_flow_info): Do not ICE when emitting error
4098 messages about invalid labels.
4099 (dump_function_to_file): Reset CFUN before emitting the body
4101 (debug_function): New.
4102 * passes.c (init_optimization_passes): Schedule
4104 * langhooks-def.h (lhd_omp_predetermined_sharing,
4105 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4107 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4108 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4109 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4110 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4111 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4112 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4113 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4114 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4115 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4116 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4117 (LANG_HOOK_DECLS): Use them.
4119 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4120 Richard Henderson <rth@redhat.com>
4121 Jakub Jelinek <jakub@redhat.com>
4122 Diego Novillo <dnovillo@redhat.com>
4124 * c-parser.c (pragma_omp_clause): Define.
4125 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4126 (c_parser_compound_statement): Likewise.
4127 (c_parser_statement): Likewise.
4128 (c_parser_pragma): Handle omp pragmas.
4129 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4130 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4131 (c_parser_omp_clause_name, check_no_duplicate_clause,
4132 c_parser_omp_variable_list,
4133 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4134 c_parser_omp_clause_copyprivate,
4135 c_parser_omp_clause_default,
4136 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4137 c_parser_omp_clause_lastprivate,
4138 c_parser_omp_clause_nowait,
4139 c_parser_omp_clause_num_threads,
4140 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4141 c_parser_omp_clause_reduction,
4142 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4143 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4144 c_parser_omp_atomic, c_parser_omp_barrier,
4145 c_parser_omp_critical, c_parser_omp_flush,
4146 c_parser_omp_for_loop, c_parser_omp_for,
4147 c_parser_omp_master, c_parser_omp_ordered,
4148 c_parser_omp_sections_scope, c_parser_omp_sections,
4149 c_parser_omp_parallel, c_parser_omp_single,
4150 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4151 * c-pragma.c (init_pragma): Do omp pragma registration here.
4152 * c.opt (fopenmp): New flag.
4154 2006-01-18 Eric Christopher <echristo@apple.com>
4156 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4157 * config/darwin.h (GOMP_SELF_SPECS): Define.
4159 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4161 * rtl.h: Remove the prototype for reg_alloc.
4163 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4166 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4167 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4168 sjlj and dwarf2 exception handling.
4169 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4170 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4171 * pa/pa.c (function_value): Treat complex and vector types as
4173 (function_arg): Likewise. Only pass scalar floats in the floating
4174 point argument registers.
4175 * pa/t-slibgcc-dwarf-ver: New file.
4176 * pa/t-slibgcc-sjlj-ver: New file.
4177 * pa/t-slibgcc-elf-ver: Delete file.
4179 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4181 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4182 unlikely_test_section_p test.
4184 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4186 * mode-switching.c (optimize_mode_switching): Make it static.
4187 * basic-block.h: Remove the prototype for
4188 optimize_mode_switching.
4190 * modulo-sched.c (sms_schedule): Make it static.
4191 * rtl.h: Remove the prototype for sms_schedule.
4193 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4194 * rtl.h: Remove the prototype for gcse_after_reload_main.
4196 * reg-stack.c (reg_to_stack): Make it static.
4197 * rtl.h: Remove the prototype for reg_to_stack.
4199 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4201 * rtl.h: Remove the prototypes for regrename_optimize and
4202 copyprop_hardreg_forward.
4204 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4206 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4207 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4208 Test against the appropriate null constant for the mode.
4209 If 'fixup_overlap' is true, swap the operands if they overlap.
4210 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4211 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4212 alpha_split_tmode_pair and adjust for above change.
4213 * config/alpha/alpha.md (movtf_internal): Adjust call to
4214 alpha_split_tfmode_pair and rely on it to swap the operands.
4215 (movti_internal): New insn and post-reload splitter.
4216 (movti): New expander.
4218 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4220 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4223 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4225 * rtlanal.c (global_reg_mentioned_p_1,
4226 global_reg_mentioned_p): Remove.
4227 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4229 * flow.c (initialize_uninitialized_subregs): Make it static.
4230 * rtl.h: Remove the prototype for
4231 initialize_uninitialized_subregs.
4233 * function.c (instantiate_virtual_regs): Make it static.
4234 * function.h: Remove the prototype for
4235 instantiate_virtual_regs.
4237 * regmove.c (regmove_optimize, combine_stack_adjustments):
4239 * rtl.h: Remove the prototypes for regmove_optimize and
4240 combine_stack_adjustments.
4242 2006-01-17 Roger Sayle <roger@eyesopen.com>
4244 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4245 (size_cost): Encode costs in bytes so that a reg-reg addition is
4246 equivalent to COSTS_N_INSNS(1).
4247 (override_options): Use the size_cost.branch_cost as the default
4248 ix86_branch_cost when optimizing for size.
4250 2006-01-18 Ben Elliston <bje@au.ibm.com>
4252 * Makefile.in (D32PBIT_FUNCS): New.
4253 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4254 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4255 D64PBIT_FUNCS and D128PBIT_FUNCS.
4256 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4257 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4259 (decnumber_dep): Define.
4260 * doc/libgcc.texi (Decimal float library routines): New node.
4261 * config/dfp-bit.h, config/dfp-bit.c: New files.
4263 2006-01-18 Ben Elliston <bje@au.ibm.com>
4265 * expr.c (emit_move_change_mode): Always adjust addresses, not
4266 just during reload. Copy replacements only during reload.
4267 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4268 emit_move_via_integer.
4270 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4272 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4273 instead of $(srcdir) and ${srcdir}.
4275 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4279 * arm.h (struct machine_function): Add pic_reg.
4280 * arm.c (arm_pic_register): Make unsigned.
4281 (arm_override_options): Only set arm_pic_register if
4282 TARGET_SINGLE_PIC_BASE.
4283 (use_return_insn): Only test for a pic register if it is fixed.
4284 (arm_compute_save_reg0_reg12_mask): Likewise.
4285 (thumb_compute_save_reg_mask): Likewise.
4286 (legitimate_pic_operand): Factor out some known invariants.
4287 (legitimize_pic_address): If we don't have a fixed pic register,
4288 then set up a pseudo in the function entry sequence. Handle the
4289 pic base being in a pseudo.
4290 (arm_load_pic_register): Handle the pic register being in a pseudo.
4291 (arm_expand_prologue): Only set up the pic register if it is fixed.
4292 (thumb_expand_prologue): Likewise.
4293 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4294 (pic_load_addr_based_insn): Likewise.
4295 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4298 2006-01-18 Ben Elliston <bje@au.ibm.com>
4300 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4301 decimal float modes for all floating point registers.
4303 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4304 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4306 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4309 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4310 even when the pointer is not NULL.
4312 2006-01-16 Ian Lance Taylor <ian@airs.com>
4314 * common.opt (ftoplevel-reorder): New option.
4315 * cgraph.c (cgraph_asm_nodes): New global variable.
4316 (cgraph_asm_last_node): New static variable.
4317 (cgraph_order): New global variable.
4318 (cgraph_create_node): Set new order field.
4319 (cgraph_varpool_node): Likewise.
4320 (decide_is_variable_needed): Return true if not
4321 flag_toplevel_reorder.
4322 (cgraph_add_asm_node): New function.
4323 * cgraph.h (struct cgraph_node): Add order field.
4324 (struct cgraph_varpool_node): Add order field.
4325 (struct cgraph_asm_node): Define.
4326 (cgraph_asm_nodes, cgraph_order): Declare.
4327 (cgraph_add_asm_node): Declare.
4328 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4330 (cgraph_varpool_assemble_pending_decls): Call it.
4331 (cgraph_output_pending_asms): New static function.
4332 (cgraph_finalize_compilation_unit): Call it.
4333 (struct cgraph_order_sort): Define.
4334 (cgraph_output_in_order): New static function.
4335 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4336 !flag_toplevel_reorder case.
4337 * c-parser.c: Include "cgraph.h".
4338 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4340 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4341 than -fno-unit-at-a-time.
4342 * doc/invoke.texi (Option Summary): Mention
4343 -fno-toplevel-reorder.
4344 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4345 -funit-at-a-time documentation.
4347 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4348 Kazu Hirata <kazu@codesourcery.com>
4350 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4352 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4354 * Makefile.in (FUNCTION_H): New. Use it instead of
4355 function.h throughout the file.
4356 * function.h: Include tree.h.
4358 2006-01-17 Ben Elliston <bje@au.ibm.com>
4360 * recog.c: Separate some functions with whitespace.
4362 2006-01-16 Richard Henderson <rth@redhat.com>
4364 Merge from gomp branch:
4365 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4366 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4367 and rename from struct inline_data. Rename callee* to dst*;
4368 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4369 transform_new_cfg, transform_return_to_modify, and
4370 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4372 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4373 (copy_decl_for_dup): Remove.
4374 * tree-inline.c (struct inline_data): Move to header.
4375 (insert_decl_map): Export.
4376 (remap_decl): Update for member name changes. Use copy_decl hook.
4377 Allow for replacement to be a non-decl. Remove dead code.
4378 (remap_type_1): Check for existing mapping.
4379 (remap_type): Export.
4380 (remap_decls): Update for member name changes.
4381 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4382 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4383 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4384 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4385 (tree_function_versioning, build_duplicate_type): Likewise.
4386 (copy_body_r): Likewise. Export.
4387 (copy_decl_for_dup): Split into ...
4388 (copy_decl_for_dup_finish, copy_decl_to_var,
4389 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4390 (replace_ref_tree, inlining_p): Remove.
4392 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4394 * ifcvt.c (if_convert): Make it static.
4395 * rtl.h: Remove the prototype for if_convert.
4397 * local-alloc.c (local_alloc): Make it static.
4398 * rtl.h: Remove the prototype for local_alloc.
4400 * loop.c (loop_optimize): Make it static.
4401 * cfgloop.h: Remove the prototype for loop_optimize.
4404 2006-01-16 DJ Delorie <dj@redhat.com>
4406 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4409 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4411 * pa.md: Disparage copies between general and floating-point registers
4412 in 32-bit move patterns.
4414 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4417 * Makefile.in (check-%): Depend on site.exp instead of
4418 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4421 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4423 * global.c (global_alloc): Make it static.
4424 * rtl.h: Remove the prototype for global_alloc.
4426 2006-01-16 Richard Guenther <rguenther@suse.de>
4428 * tree-ssa-alias.c (struct used_part): Add write_only field.
4429 (get_or_create_used_part_for): Initialize it to true.
4430 (create_overlap_variables_for): Don't create structure variables
4431 for structures that only are written to.
4432 (find_used_portions): Handle MODIFY_EXPR to track whether a
4433 structure is only written to.
4435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4437 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4439 * basic-block.h: Remove the prototype for
4440 partition_hot_cold_basic_blocks.
4442 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4444 * cppspec.c (lang_specific_spec_functions): Remove.
4445 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4446 * gcc.h (lang_specific_spec_functions): Remove.
4447 * gccspec.c (lang_specific_spec_functions): Remove.
4449 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4451 * combine.c (record_value_for_reg): Invalidate registers
4453 (record_dead_and_set_regs_1): Likewise, by passing them to
4454 record_value_for_reg.
4455 (record_dead_and_set_regs): Invalidate stores made by a
4456 call. We do not combine across a call, but we still
4457 relied on equivalences.
4459 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4461 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4462 vrp_int_const_binop returning non-constant nodes.
4464 2006-01-16 Paul Brook <paul@codesourcery.com>
4466 * config/m68k/m68k.c (output_move_const_into_data_reg):
4467 Output correct mnemonic for mvz and mvs.
4469 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4471 * rtl-factoring.c: Add sequence abstraction algorithm.
4472 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4473 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4475 (block_has_preserve_label): New function.
4476 * common.opt: Register new pass.
4477 * Makefile.in: Ditto.
4479 * timevar.def: Ditto.
4480 * tree-pass.h: Ditto.
4481 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4482 * rtl.h (make_jump_insn_raw): Add forward decl.
4483 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4485 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4486 Roger Sayle <roger@eyesopen.com>
4488 * fold-const.c (fold_minmax): New static function.
4489 (fold_binary) <MIN_EXPR>: Call it.
4490 <MAX_EXPR>: Likewise.
4491 * stor-layout.c (place_field): Use DECL_SIZE consistently
4492 in the computation of the new record size.
4494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4496 * cse.c (cse_condition_code_reg): Make it static.
4497 * rtl.h: Remove the prototype for cse_condition_code_reg.
4499 * combine.c (combine_instructions): Make it static.
4500 * rtl.h: Remove the prototype for combine_instructions.
4502 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4505 * tree.c (get_file_function_name_long): Concatenate the first global
4506 object name with a string derived from the input filename of the object
4509 2006-01-16 Ben Elliston <bje@au.ibm.com>
4511 * config/i386/winnt-stubs.c: Update FSF address.
4512 * config/xtensa/ieee754-df.S: Ditto.
4513 * config/xtensa/ieee754-sf.S: Ditto.
4515 2006-01-14 Ian Lance Taylor <ian@airs.com>
4517 * ifcvt.c (noce_init_if_info): New static function, broken out of
4518 noce_process_if_block.
4519 (noce_process_if_block): Call noce_init_if_info.
4520 (check_cond_move_block): New static function.
4521 (cond_move_process_if_block): New static function.
4522 (process_if_block): Call cond_move_process_if_block.
4524 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4526 * cselib.c (hash_table): Rename to cselib_hash_table.
4527 (cselib_clear_table, discard_useless_values,
4528 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4529 cselib_init, cselib_finish): Adjust uses of hash_table.
4531 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4533 PR tree-optimization/25485
4534 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4535 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4536 is known to be false and true, respectively.
4538 2006-01-14 Richard Guenther <rguenther@suse.de>
4540 PR tree-optimization/22548
4541 PR tree-optimization/22555
4542 PR tree-optimization/22501
4543 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4544 * params.def (salias-max-array-elements): New parameter.
4545 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4546 * doc/invoke.texi (salias-max-array-elements): Document.
4547 * tree-flow-inline.h (var_can_have_subvars): We also handle
4549 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4551 * tree-ssa-structalias.c (params.h): Include.
4552 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4553 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4554 (get_constraint_for): For ADDR_EXPR operating on something
4555 containing an ARRAY_REF, add all subvars to the solution.
4556 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4557 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4558 for creating MUST_DEFs.
4559 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4561 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4563 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4565 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4566 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4567 number_of_iterations_le): New functions.
4568 (number_of_iterations_special): Removed.
4569 (number_of_iterations_exit): Do not use number_of_iterations_special.
4570 * tree.c (unsigned_type_for): Always return integer type.
4572 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4573 Richard Guenther <rguenther@suse.de>
4575 PR rtl-optimization/24257
4576 * gcse.c (find_moveable_store): Only consider a store movable
4577 when the SET_SRC of the insn can be assigned to a register.
4579 2006-01-14 Ian Lance Taylor <ian@airs.com>
4581 * tree.c (tree_not_class_check_failed): New function.
4582 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4583 (tree_not_class_check_failed): Declare.
4585 2006-01-13 Ian Lance Taylor <ian@airs.com>
4587 * reload1.c (do_output_reload): Add assertion rejecting a
4590 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4592 * combine.c (struct reg_stat): Add new fields truncation_label and
4594 (record_value_for_reg): Reset truncated_to_mode.
4595 (record_truncated_value): New function.
4596 (check_promoted_subreg): Call it. Rename to check_conversions.
4597 (combine_instructions): Rename check_promoted_subreg to
4599 (reg_truncated_to_mode): New function.
4600 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4601 (gen_lowpart_or_truncate): New function.
4602 (force_to_mode): Use it instead of gen_lowpart.
4604 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4606 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4607 VAR is a tag, not its type tag.
4609 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4611 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4612 alternatives to match style of other entries.
4613 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4615 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4617 PR tree-optimization/25771
4618 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4621 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4624 * tree-inline.c (declare_return_variable): If the return variable
4625 was marked as a non gimple complex, set the return slot variable
4626 to be a non gimple comple variable.
4628 2006-01-13 Richard Guenther <rguenther@suse.de>
4630 * builtins.c (expand_builtin_sincos): New function.
4631 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4633 (expand_builtin): Expand sincos using expand_builtin_sincos.
4635 2006-01-12 DJ Delorie <dj@redhat.com>
4637 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4638 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4639 so that constant shifts can be split.
4640 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4641 (m32c_valid_pointer_mode): Make static.
4642 (shift_gen_func_for): New.
4643 (m32c_prepare_shift): Use it. Split large const shifts into
4645 * config/m32c/predicates.md (shiftcount_operand): Allow more
4647 (longshiftcount_operand): New.
4648 * doc/md.texi (Machine Constraints): Document In6.
4650 2006-01-13 Ben Elliston <bje@au.ibm.com>
4652 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4653 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4656 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4658 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4659 to try to avoid clobbering pieces of structures when we know
4660 something about the whole structure.
4661 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4663 2006-01-13 Ben Elliston <bje@au.ibm.com>
4665 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4666 return in memory, as this is no limitation is no longer present.
4668 2006-01-12 DJ Delorie <dj@redhat.com>
4670 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4671 mova with fb, and for fb+0 -> An.
4673 * config/m32c/mov.md (peephole2): Fix enabling logic.
4675 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4676 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4677 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4678 FINI_ARRAY_SECTION_ASM_OP): Define.
4680 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4682 (m32c_legitimize_reload_address): New logic to reload FB to An.
4683 (m32c_output_reg_push): Add newline.
4684 (m32c_output_reg_pop): Likewise.
4686 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4688 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4690 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4692 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4694 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4696 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4699 2006-01-11 Ben Elliston <bje@au.ibm.com>
4701 * rtlanal.c (find_reg_note): Assert insn is not null.
4703 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4705 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4708 2006-01-11 Jeff Law <law@redhat.com>
4710 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4712 (mark_threaded_blocks, register_jump_thread): New functions.
4713 (thread_through_all_blocks): Remove unwanted argument. No
4714 longer rely on e->aux to communicate thread target info.
4715 Call mark_threaded_blocks. Release the threaded_blocks
4716 bitmap and threaded_edges vector when complete.
4717 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4718 (threaded_blocks): Remove.
4719 (tree_ssa_dominator_optimize): Remove initialization and
4720 finalization of threaded_blocks. Simplify call to
4721 thread_through_all_blocks.
4722 (thread_across_edge): Call register_jump_thread rather than
4723 storing thread information into e->aux.
4724 (free_all_edge_infos): Simplify now that e->aux is no longer
4725 used to communicate with thread_through_all_blocks.
4726 * tree-flow.h (thread_through_all_blocks): Update prototype.
4727 (register_jump_thread): Prototype.
4729 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4731 * df-core.c (df_compact_blocks, df_bb_replace): Use
4732 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4734 2006-01-11 Richard Guenther <rguenther@suse.de>
4736 PR tree-optimization/25734
4737 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4738 stop propagation after successful propagation to the LHS.
4740 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4742 * basic-block.h (control_flow_graph): Change the type of
4743 x_basic_block_info to VEC(basic_block,gc) *.
4744 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4746 (SET_BASIC_BLOCK): New.
4747 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4748 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4749 * cfgbuild.c (find_basic_blocks): Likewise.
4750 * cfglayout.c (fixup_reorder_chain): Likewise.
4751 * cfgrtl.c (create_basic_block_structure,
4752 rtl_create_basic_block): Likewise.
4753 * ifcvt.c (find_if_case_1): Likewise.
4754 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4757 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4759 * Makefile.in: Removed rotted odf.c entry.
4761 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4764 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4765 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4766 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4767 output pattern modifier, not %e.
4768 * config/cris/cris.c (cris_op_str): Update comment about pattern
4770 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4771 before falling through into...
4772 <case 'E'>: Redefined from old 'e' case.
4774 2006-01-11 Jan Hubicka <jh@suse.cz>
4777 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4779 2006-01-11 Jan Hubicka <jh@suse.cz>
4781 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4782 * i386.c (x86_decompose_lea): Kill.
4783 (ix86_rtx_costs): Kill.
4785 2006-01-11 Jan Hubicka <jh@suse.cz>
4787 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4788 * cgraph.h (cgraph_node): Add inline_decl.
4789 (cgraph_insert_node_to_hashtable): Declare.
4790 (save_inline_function_body): Declare.
4791 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4793 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4794 (cgraph_function_versioning): Update call of tree_function_versioning.
4795 (save_inline_function_body): New function.
4796 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4797 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4798 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4799 (cgraph_default_inline_p): Likewise.
4800 (cgraph_decide_inlining_incrementally): Likewise.
4801 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4802 (copy_bb): Kill saving; do updating of clones.
4803 (copy_cfg_body): Kill saving.
4804 (initialize_inlined-parameters): Likewise.
4805 (expand_call_inline): Likewise.
4807 (tree_function_versioning): New parameter "update_clones".
4808 (inlining_p): Kill saving.
4809 * tree-inline.h (tree_function_versioning): Update prototype.
4810 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4813 2006-01-11 Ian Lance Taylor <ian@airs.com>
4815 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4816 Allow undoing set of machine mode.
4817 (do_SUBST): Use enums instead of is_int.
4818 (do_SUBST_MODE): New function.
4819 (SUBST_MODE): New macro.
4820 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4821 reg and trying to replace reg_regno_rtx with a new register.
4822 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4823 (simplify_set): Use SUBST_MODE.
4824 (distribute_notes): Remove code that tried to update reg notes
4825 for regno_reg_rtx changes.
4827 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4829 PR tree-optimization/23109
4830 PR tree-optimization/23948
4831 PR tree-optimization/24123
4833 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4834 * tree-cfg.c (single_noncomplex_succ): New.
4835 * tree-flow.h (single_noncomplex_succ): Declare it.
4836 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4837 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4838 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4839 insert_bb, register_division_in, insert_reciprocals,
4840 replace_reciprocal, free_bb): New.
4841 (execute_cse_reciprocals_1): Rewritten.
4842 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4843 Do not commit any edge insertion. Always compute dominators and
4844 create the allocation pool.
4845 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4846 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4847 * targhooks.c (default_min_divistions_for_recip_mul): New.
4848 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4849 * passes.c (init_optimization_passes): Run recip after tree loop
4851 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4853 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4854 Kenneth Zadeck <zadeck@naturalbridge.com>
4856 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4857 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4858 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4859 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4860 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4861 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4862 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4863 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4864 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4865 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4866 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4867 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4868 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4869 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4870 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4871 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4872 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4873 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4874 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4875 DF_SCAN_POST_ALLOC): New macros.
4876 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4877 df_free_bb_function, df_local_compute_function, df_init_function,
4878 df_dataflow_function, df_confluence_function_0,
4879 df_confluence_function_n, df_transfer_function,
4880 df_finalizer_function, df_free_function, df_dump_problem_function,
4881 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4882 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4883 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4884 df_urec_bb_info, ) New types.
4885 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4887 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4888 df_analyze_simple_change_some_blocks,
4889 df_analyze_simple_change_one_block, df_compact_blocks,
4890 df_bb_replace, df_bb_regno_last_use_find,
4891 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4892 df_insn_regno_def_p, df_find_def, df_find_use,
4893 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4894 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4895 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4896 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4897 debug_df_chain, df_get_dependent_problem, df_chain_create,
4898 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4899 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4900 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4901 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4902 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4903 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4904 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4905 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4906 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4907 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4908 df_reorganize_refs, df_set_state, df_hard_reg_init,
4909 df_read_modify_subreg_p) New public functions.
4910 * df-core.c: The core dataflow solver and glue routines for rtl
4912 (df_init, df_add_problem, df_set_blocks, df_finish,
4913 df_hybrid_search_forward, df_hybrid_search_backward,
4914 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4915 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4916 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4917 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4918 df_reg_defined, df_find_use, df_reg_used, df_dump,
4919 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4920 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4921 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4922 debug_df_useno, reset_df_after_reload): New functions.
4923 * df-scan.c: The scanning fuctions, once in df.c, completely
4924 rewritten so that they now fully model the functionality of
4925 register usage at the backend.
4926 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4927 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4928 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4929 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4930 df_get_artificial_defs, df_get_artificial_uses,
4931 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4932 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4933 df_refs_delete, df_reorganize_refs, df_set_state,
4934 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4935 df_def_record_1, df_defs_record, df_uses_record,
4936 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4937 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4938 df_record_exit_block_uses, df_hard_reg_init): New functions.
4940 * df-problems.c: Seven concrete dataflow problems that use the
4941 scanning in df-scan.c and are solved by the engine in df-core.c.
4942 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4943 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4944 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4945 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4946 df_ru_free_bb_info, df_ru_alloc,
4947 df_ru_bb_local_compute_process_def,
4948 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4949 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4950 df_ru_transfer_function, df_ru_free, df_ru_dump,
4951 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4952 df_rd_free_bb_info, df_rd_alloc,
4953 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4954 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4955 df_rd_transfer_function, df_rd_free, df_rd_dump,
4956 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4957 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4958 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4959 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4960 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4961 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4962 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4963 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4964 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4965 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4966 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4967 df_urec_mark_reg_use_for_earlyclobber,
4968 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4969 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4970 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4971 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4972 df_chain_create_bb_process_use, df_chain_create_bb,
4973 df_chain_finalize, df_chain_free, df_chains_dump,
4974 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4975 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4976 df_reg_lifetime): New functions.
4977 * df.c: Deleted file.
4978 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4979 consistent with new df api.
4980 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4981 rest_of_handle_sms): Ditto.
4982 * web.c (unionfind_union, union_defs, entry_register, web_main):
4984 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4985 invariant_expr_equal_p, find_defs, check_dependencies,
4986 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4987 free_inv_motion_data, move_loop_invariants): Ditto.
4988 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4989 Update dependencies.
4990 (odf.c): Added defective entry that was deleted later in day.
4991 * sched-deps.c (sched_analyze_1): Ditto.
4993 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4995 * tree-ssa-operands.c (get_expr_operands): Record addressable
4996 variables directly. Do not call add_stmt_operands for CONST_DECLs
4998 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4999 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5001 2006-01-11 Ben Elliston <bje@au.ibm.com>
5003 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5004 function returns true in the positive case.
5006 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5009 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5010 for SI, DI, SF and DF modes. Add alternatives to copy between
5011 general and floating point registers to the 32-bit patterns.
5012 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5013 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5014 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5015 generating 64-bit code.
5016 * config/pa/pa.c (output_move_double): Handle copies between general
5017 and floating registers.
5019 2006-01-10 Stuart Hastings <stuart@apple.com>
5021 * config/i386/i386.md (set_got): Update.
5022 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5023 (builtin_setjmp_receiver): Mach-O support.
5024 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5025 (GOT_SYMBOL_NAME): Define.
5026 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5027 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5028 * config/i386/i386.c (override_options): Revise for Darwin.
5029 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5030 support. (darwin_x86_file_end): New. (output_set_got): Add label
5031 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5032 * config/i386/i386-protos.h (output_set_got): Likewise.
5033 * config/darwin.c (machopic_legitimize_pic_address): Update
5036 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5038 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5039 when MODE isn't BLKmode.
5041 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5043 PR rtl-optimization/25367
5044 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5046 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5049 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5050 for a negative bound.
5052 2006-01-10 Richard Guenther <rguenther@suse.de>
5054 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5055 Never override with anything constraint.
5057 2006-01-10 Jan Beulich <jbeulich@novell.com>
5059 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5060 256 bits when optimize_size.
5062 2006-01-10 Jan Beulich <jbeulich@novell.com>
5064 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5066 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5067 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5070 2006-01-10 Ben Elliston <bje@au.ibm.com>
5072 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5074 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5075 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5076 (USE_FP_FOR_ARG): Reject decimal float modes.
5077 (function_arg_advance): Likewise.
5078 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5079 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5080 point types in AltiVec vectors.
5081 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5082 (rs6000_libcall_value): Likewise.
5084 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5086 * config/xtensa/ieee754-df.S: New file.
5087 * config/xtensa/ieee754-sf.S: New file.
5088 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5089 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5090 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5092 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5094 * config/sh/predicates.md (binary_float_operator,
5095 binary_logical_operator, commutative_float_operator,
5096 equality_comparison_operator, greater_comparison_operator,
5097 less_comparison_operator, logical_operator,
5098 noncommutative_float_operator, shift_operator,
5099 symbol_ref_operand, unary_float_operator): Remove redundant
5102 2006-01-09 Jeff Law <law@redhat.com>
5104 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5105 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5106 now unused arguments. Callers updated.
5107 (eliminate_redundant_computations): Remove now unused arguments,
5109 (local_fold): Remove, no longer used.
5110 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5112 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5113 (simplify_cond): New function.
5114 (forward_propagate_into_cond): Call simplify_cond.
5116 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5118 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5119 (*vec_extractv2di_1_sse): New.
5121 2006-01-09 Ben Elliston <bje@au.ibm.com>
5123 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5125 2006-01-08 Richard Guenther <rguenther@suse.de>
5127 * tree-ssa-structalias.c (get_constraint_for): Remove
5129 (get_constraint_for_component_ref): Likewise.
5130 (do_deref): Likewise.
5131 (get_constraint_for): Likewise.
5132 (do_structure_copy): Likewise.
5133 (handle_ptr_arith): Likewise.
5134 (find_func_aliases): Likewise. Remove unused need_anyoffset
5137 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5138 Kaz Kojima <kkojima@gcc.gnu.org>
5140 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5141 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5142 (EXTRA_CONSTRAINT_C16): Remove.
5143 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5144 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5145 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5146 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5147 constants of SHmedia. Handle nested constant expressions of
5149 (andcosts): Fix the costs for SHmedia constants.
5150 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5151 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5152 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5153 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5154 (movv4hi_i, movv2si_i): Likewise.
5155 (movsi_const): Adjust the second operand of ior so to match with
5157 (movdi_const, movdi_const_32bit): Likewise.
5158 (movdi_const_16bit+1): Don't sign-extend LOW.
5159 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5161 (*double_shori): Fix the split condition. Use GEN_INT instead
5162 of get_int_mode calls. Mask lower 16-bit of the argument of
5164 (sym2GOTPLT): Remove.
5165 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5167 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5168 instead of EXTRA_CONSTRAINT_C16.
5170 2006-01-07 Ian Lance Taylor <ian@airs.com>
5171 David Edelsohn <edelsohn@gnu.org>
5173 PR rtl-optimization/25662
5174 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5175 for constant operands instead of simplify_gen_binary.
5176 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5177 after trying simplify_binary_operation
5179 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5181 * tree.c (iterative_hash_expr): Hash decls based on UID.
5183 2006-01-06 Eric Christopher <echristo@apple.com>
5185 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5186 (TARGET_UNWIND_EMIT): Fix spelling.
5187 * target.h (gcc_target): Add except_table_label.
5188 * except.c (output_function_exception_table): Use.
5189 * varasm.c (default_emit_except_table_label): New.
5190 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5192 (asm_out): Add here.
5193 * output.h (default_emit_except_table_label): Prototype.
5194 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5195 * config/darwin.c (darwin_emit_except_table_label): Define.
5196 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5198 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5200 PR tree-optimization/18527
5201 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5202 number_of_iterations_special, number_of_iterations_exit):
5203 Move base and step of an iv to a single structure. Add
5204 no_overflow flag, and use it in # of iterations analysis.
5205 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5206 folded_casts argument.
5207 (simple_iv): Pass base and step in a structure. Set no_overflow
5209 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5210 Evaluate expensiveness of computing # of iterations instead of
5211 the final expression.
5212 * tree-scalar-evolution.h (affine_iv): New structure.
5213 (simple_iv): Declaration changed.
5214 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5215 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5216 find_givs_in_stmt): Changed due to simple_iv change.
5218 2006-01-06 Jeff Law <law@redhat.com>
5221 * tree-cfg.c (bsi_replace): Rename final argument from
5222 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5223 change (stmt -> orig_stmt).
5224 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5225 (bsi_remove): Add new argument. Remove EH information
5227 (verify_eh_throw_table_statements): New function.
5228 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5230 * tree-optimize.c (execute_free_cfg_annotations): Verify
5231 the EH throw statement table after removing annotations.
5232 * except.h (verify_eh_throw_table_statements): Prototype.
5233 * tree-flow.h (bsi_remove): Update prototype.
5234 * tree-vrp.c (remove_range_assertions): Add new argument to
5236 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5237 * tree-complex.c (expand_complex_div_wide): Likewise.
5238 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5239 * tree-tailcall.c (eliminate_tailcall): Likewise.
5240 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5241 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5242 * tree-nrv.c (tree_nrv): Likewise.
5243 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5244 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5245 (combine_blocks): Likewise.
5246 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5247 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5248 (cleanup_control_flow): Likewise.
5249 (remove_forwarder_block): Likewise.
5250 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5251 * tree-sra.c (sra_replace): Likewise.
5252 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5253 (forward_propagate_single_use_vars): Likewise.
5254 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5255 * tree-inline.c (expand_call_inline): Likewise.
5256 * tree-vect-transform.c (vect_transform_loop): Likewise.
5257 * tree-outof-ssa.c (rewrite_trees): Likewise.
5258 * tree-cfg.c (make_goto_expr_edges): Likewise.
5259 (cleanup_dead_labels): Likewise.
5260 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5261 (bsi_move_before, bsi_move_after): Likewise.
5262 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5263 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5265 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5268 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5270 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5271 on non gimple variables. Also add checks at the top for decls and
5273 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5275 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5276 and IMAGPART_EXPR for creating MUST_DEFs.
5277 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5278 and NAME_MEMORY_TAG separately from the DECLs.
5280 2006-01-06 Richard Guenther <rguenther@suse.de>
5282 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5283 annotation, if necessary.
5284 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5285 redundant calls to update_stmt.
5286 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5289 2006-01-05 Richard Henderson <rth@redhat.com>
5291 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5293 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5295 * c-typeck.c: Update copyright date.
5297 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5299 * c-typeck.c (build_c_cast): Always warn when casting
5300 from a pointer to an integer of different size, even if
5301 the node was constant.
5303 2006-01-05 Richard Guenther <rguenther@suse.de>
5305 PR tree-optimization/22555
5306 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5307 if one structure field is an array.
5308 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5309 operands even if we found a subvar, but ignore VOPs in this
5311 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5313 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5315 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5318 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5320 2006-01-05 Richard Guenther <rguenther@suse.de>
5321 Diego Novillo <dnovillo@redhat.com>
5323 * tree-pass.h (TODO_remove_unused_locals): Define.
5324 * gimple-low.c (expand_var_p, remove_useless_vars,
5325 pass_remove_useless_vars): Remove. Update all users.
5326 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5327 (remove_unused_locals): New function.
5328 * tree-flow.h (remove_unused_locals): Declare.
5329 * passes.c (execute_todo): Call remove_unused_locals if
5330 TODO_remove_unused_locals is set.
5331 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5332 * tree-ssa-dce.c (pass_dce): Likewise.
5333 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5335 2006-01-05 Richard Guenther <rguenther@suse.de>
5337 * tree-flow.h (struct fieldoff): Decompose field to
5338 type, size and decl.
5339 * tree-ssa-alias.c (create_sft): Take type as parameter.
5340 (create_overlap_variables_for): Store type, size and decl
5341 in the fieldoff structure.
5342 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5344 (push_fields_onto_fieldstack): Likewise.
5345 (create_variable_info_for): Likewise. Use offset for the
5346 SFT name if the decl is not available.
5348 2006-01-04 Paul Brook <paul@codesourcery.com>
5350 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5352 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5354 * lambda-code.c (can_put_in_inner_loop): Relax
5356 (can_put_after_inner_loop): New function.
5357 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5358 (perfect_nestify): Change to make copies and modify uses.
5360 2006-01-04 Richard Henderson <rth@redhat.com>
5362 Merge from gomp branch:
5363 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5364 via integer constant.
5365 (pragma_lex): Remove.
5366 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5367 rather than parsing it.
5368 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5369 handle_pragma_extern_prefix): Add %< %> quotes.
5370 (registered_pragmas): New.
5371 (c_register_pragma_1): New.
5372 (c_register_pragma): Use it.
5373 (c_register_pragma_with_expansion): Likewise.
5374 (c_invoke_pragma_handler): New.
5375 (init_pragma): Use cpp_register_deferred_pragma directly for
5377 * c-pragma.h (enum pragma_kind): New.
5378 (pragma_handler): New.
5379 (c_invoke_pragma_handler): Declare.
5380 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5382 * c-common.h (c_common_pch_pragma): Update decl.
5383 * Makefile.in (c-parser.o): Update dependencies.
5384 (GTFILES): Add c-pragma.h.
5385 * c-parser.c (struct c_token): Add pragma_kind.
5386 (struct c_parser): Add in_pragma.
5387 (c_lex_one_token): Always initialize keyword and pragma_kind.
5388 Extract data for CPP_PRAGMA.
5389 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5390 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5391 Don't allow CPP_PRAGMA_EOL if in_pragma.
5392 (c_parser_consume_pragma): New.
5393 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5394 (c_parser_skip_to_end_of_parameter): Likewise.
5395 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5396 (c_parser_skip_to_pragma_eol): New.
5397 (c_parser_external_declaration): Handle CPP_PRAGMA.
5398 (c_parser_compound_statement_nostart): Likewise.
5399 (c_parser_statement_after_labels): Likewise.
5400 (c_parser_pragma): New.
5401 (pragma_lex): Likewise.
5402 (c_parser_pragma_pch_preprocess): New.
5403 (c_parser_new): Merge into ...
5404 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5406 2006-01-04 Jeff Law <law@redhat.com>
5409 * tree-cfg.c (bsi_replace): Remove the original statement
5410 from the EH throw statement table.
5412 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5414 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5415 make the prototype extern "C" and add throw ().
5418 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5419 and pos non-negative and pos + len <= 32.
5420 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5421 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5422 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5425 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5426 as well as sizes not multiple of component size.
5429 * function.c (instantiate_expr): New function.
5430 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5431 walk its DECL_VALUE_EXPR with instantiate_expr.
5433 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5434 DW_OP_deref{,_size} if address isn't going to be added.
5436 2006-01-04 Ben Elliston <bje@au.ibm.com>
5438 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5439 * config/fp-bit.c: Likewise.
5441 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5443 * dominance.c: Add comment about why we use DFS numbering
5446 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5447 Richard Henderson <rth@redhat.com>
5449 Merge from gomp-branch:
5450 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5451 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5453 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5455 PR rtl-optimization/25578
5456 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5457 pass a parameter to simplify_shift_const if changing ASHIFTRT
5460 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5462 * builtins.c (get_builtin_sync_mem): New function.
5463 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5464 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5465 Call get_builtin_sync_mem to generate mem rtx.
5467 2006-01-03 Richard Guenther <rguenther@suse.de>
5470 * stmt.c (add_case_node): Make sure to clear overflow flags
5473 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5475 Merge from gomp-branch.
5476 * config/sparc/sync.md: New file.
5477 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5478 UNSPECV_LDSTUB): New constants.
5479 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5480 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5481 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5484 2006-01-03 Roger Sayle <roger@eyesopen.com>
5486 * combine.c (reg_subword_p): New predicate to test whether the
5487 destination of a set refers to a subword/piece of a register.
5488 (try_combine): Generalize the code to merge the setting of a
5489 pseudo to a constant followed by a set of a subword of that
5490 register to a constant.
5492 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5494 * basic-block.h (control_flow_graph): Change the type of
5495 x_label_to_block_map to VEC(basic_block,gc) *.
5496 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5497 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5499 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5500 VEC(basic_block,heap) *.
5501 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5502 ssa_prop_fini): Adjust the uses of cfg_blocks.
5504 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5506 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5508 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5509 hashing trees instead of a pointer hash.
5510 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5511 compare for MEM_EXPR.
5513 PR rtl-optimization/25130
5514 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5515 when comparing MEMs for GCSE
5517 2006-01-03 Ben Elliston <bje@au.ibm.com>
5519 * targhooks.h (default_decimal_float_supported_p): Declare.
5520 * targhooks.c (default_decimal_float_supported_p): Define.
5521 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5522 `default_decimal_float_supported_p'.
5523 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5525 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5527 * combine.c (apply_distributive_law <SUBREG>): Check
5528 TRULY_NOOP_TRUNCATION.
5530 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5532 * dwarf2out.c (have_switched_text_section): Delete.
5533 (have_multiple_function_sections): New.
5534 (have_location_lists): Make 'bool'.
5535 (add_AT_loc_list): Use 'true' not '1'.
5536 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5537 (output_loc_list): Use have_multiple_function_sections.
5538 (output_ranges): Likewise.
5539 (dwarf2out_begin_function): Set have_multiple_function_sections if
5541 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5542 Check function_section rather than DECL_SECTION_NAME.
5543 (dwarf2out_finish): Use have_multiple_function_sections.
5544 Don't clear have_location_lists.
5546 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5547 Jan Hubicka <jh@suse.cz>
5549 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5550 case of conditional jump jumping to the next instruction.
5551 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5552 cases of conditional jump jumping to the next instruction.
5554 2006-01-02 Jan Hubicka <jh@suse.cz>
5556 * i386.c (*_cost): Add COSTS_N_INSNS.
5557 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5559 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5562 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5564 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5566 * config/arm/arm.c (all_fpus): Fix comment typo.
5567 * config/darwin.c: Likewise.
5568 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5569 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5570 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5572 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5574 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5575 (rs6000_split_compare_and_swapqhi): New.
5576 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5577 (sync_compare_and_swapqhi_internal): New.
5578 * config/rs6000/rs6000-protos.h: Declare.