| blob | 9f49570ba8f59470e17bd8eada016428b529cadd |
1 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3 PR libgomp/26234
4 * doc/install.texi (Configuration): Document --disable-libgomp.
6 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13 (vec_extractv2df_0_sse): New.
15 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
19 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
20 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
21 to the result of the expression.
22 (def_cfa_1): Adjust.
23 (frame_pointer_cfa_offset): Rename to...
24 (frame_pointer_fb_offset): ... this. Adjust all uses.
25 (convert_cfa_to_loc_list): Rename to...
26 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
27 Pass it on to build_cfa_loc.
28 (compute_frame_pointer_to_cfa_displacement): Rename to...
29 (compute_frame_pointer_to_fb_displacement): ... this. New
30 offset parameter. Use it in computation.
31 (gen_subprogram_die): Compute cfa_fb_offset with the new
32 macro, and use it to compute the fb loc list and the
33 displacement.
35 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
37 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
38 replaced with register_operand.
39 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
40 non-DREG is expensive.
41 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
42 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
43 involving memory.
45 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
47 * doc/install.texi2html: Use set -e.
49 2006-02-21 Richard Sandiford <richard@codesourcery.com>
51 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
52 (ASM_OUTPUT_SHARED_LOCAL): Delete.
53 * doc/invoke.texi (-fshared-data): Delete.
54 * common.opt (fshared-data): Delete.
55 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
56 (assemble_static_space): Remove #if 0 code.
57 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
58 (ASM_OUTPUT_SHARED_LOCAL): Poison.
59 * config/cris/cris.h: Remove FIXME.
61 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
63 * doc/sourcebuild.texi (Front End Directory): No more double-colon
64 hooks.
66 2006-02-21 Jakub Jelinek <jakub@redhat.com>
68 PR middle-end/26379
69 * combine.c (simplify_shift_const_1): Disable nested shifts
70 optimization for vector shifts.
72 2006-02-20 Roger Sayle <roger@eyesopen.com>
74 PR tree-optimization/26361
75 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
76 of unsigned integer types.
78 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
80 * tree-chrec.c (eq_evolutions_p): New.
81 * tree-chrec.h (eq_evolutions_p): Declared.
82 * tree-data-ref.c: Fix formatting.
83 (datadep_stats, dependence_stats): New.
84 (gcd): Moved...
85 (print_direction_vector): New.
86 (dump_data_dependence_relation): Use print_direction_vector.
87 (object_analysis, create_data_ref): Handle COMPONENT_REF.
88 (compute_subscript_distance): Static.
89 (initialize_data_dependence_relation): Static. Get the number
90 of loops surrounding the references from the callers, and initialize
91 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
92 base_object_differ_p analyzers.
93 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
94 compute_overlap_steps_for_affine_1_2,
95 analyze_subscript_affine_affine): Count the classified dependences.
96 Print a message when a test failed.
97 (can_use_analyze_subscript_affine_affine): New.
98 (analyze_siv_subscript): Compute the data dependences on symbolic
99 scevs that verify can_use_analyze_subscript_affine_affine.
100 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
101 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
102 Handle symbolic scevs.
103 (analyze_overlapping_iterations): Let symbolic affine scevs to be
104 analyzed.
105 (subscript_dependence_tester): Moved...
106 (build_classic_dist_vector, build_classic_dir_vector): Don't use
107 lambda_vector_clear on newly allocated vectors. Get nb_loops from
108 DDR_SIZE_VECT instead of getting it in parameter.
109 (subscript_dependence_tester): ... here. Take as a parameter
110 loop_nest_depth. Call build_classic_dist_vector and
111 build_classic_dir_vector.
112 (compute_affine_dependence): Update subscript_dependence_tester
113 parameters. Update datadep_stats counters. Call
114 compute_subscript_distance.
115 (compute_self_dependence): Save the dist and dir vectors. Call
116 compute_subscript_distance.
117 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
118 (compute_all_dependences): Reorder parameters as they were before
119 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
120 compute_subscript_distance. Update the use of
121 compute_affine_dependence and initialize_data_dependence_relation.
122 (find_data_references_in_loop): Handle COMPONENT_REF.
123 (compute_data_dependences_for_loop): Initialize dependence_stats.
124 Don't call build_classic_dist_vector and build_classic_dir_vector.
125 Update the parameters of initialize_data_dependence_relation and
126 compute_all_dependences. Print the statistics from datadep_stats.
127 (analyze_all_data_dependences): Static. Not used until the pass for
128 checking the data dependences is contributed.
129 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
130 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
131 (initialize_data_dependence_relation, compute_affine_dependence,
132 analyze_all_data_dependences, compute_subscript_distance): Removed.
133 (print_direction_vector): New.
134 * lambda.h (gcd): ... here.
135 (lambda_vector_gcd): Moved here from gcd_vector.
136 * lambda-code.c (gcd, gcd_vector): Removed.
137 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
138 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
140 2006-02-20 Diego Novillo <dnovillo@redhat.com>
142 * ipa-type-escape.c: Tidy some comments and white space.
143 * tree-ssa-operands.c: Likewise.
145 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
147 PR tree-opt/25879
148 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
149 (dump_decl_name): Do not walk the decl tree chains.
150 * tree-pass.h (TDF_CHAIN): Remove.
152 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
154 * Makefile.in (C): Remove
155 (PROTO): Remove
156 (.PHONY): Remove C and PROTO
158 2006-02-20 Roger Sayle <roger@eyesopen.com>
160 PR middle-end/26236
161 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
162 deprecated CHAR_TYPE tree code.
164 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
166 * configure.ac (target_list): Add install-info, dvi, html.
167 * configure: Regenerate.
169 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
170 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
171 treelang/Make-lang.in: Do not use double-colon rules.
173 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
175 * tree.h (struct tree_memory_tag): Add is_used_alone member.
176 (TMT_USED_ALONE): New macro.
177 * tree-pass.h (PROP_tmt_usage): New property.
178 (TODO_update_tmt_usage): New todo.
179 * tree-ssa-alias.c (updating_used_alone): New variable.
180 (recalculate_used_alone): New function.
181 (compute_may_aliases): Set updating_used_alone, call
182 recalculate_used_alone.
183 * tree-sra.c (pass_sra): Note that this pass destroys
184 PROP_tmt_usage, and add TODO_update_tmt_usage.
185 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
186 * tree-flow.h (updating_used_alone): Prototype.
187 (recalculate_used_alone): Ditto.
188 * passes.c (execute_todo): Add code to set updating_used_alone,
189 and call recalculate.
190 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
191 for clobber if used alone, and add assert to verify used_alone
192 status.
194 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
196 * config/s390/s390.c (legitimize_pic_address): Assertions checking
197 for non tls symbols added.
198 (legitimize_address): Do nothing for PLUS expressions if one of the
199 addends is a tls symbol reference.
201 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
203 PR bootstrap/25476
205 * Makefile.in (LDFLAGS): Define from autoconf substitution.
207 * Makefile.in (BOOTSTRAPPING): New.
208 (quickstrap): New definition if BOOTSTRAPPING=yes.
210 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
211 * configure.ac: Substitute all_selected_languages with the languages
212 that were configured. For all the other variables except
213 lang_specs_files, include all the languages in the tree.
214 * configure: Regenerate.
216 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
217 if there is one. Run the commands to run fixincludes in the same
218 subshell.
220 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
221 * doc/install.texi: Document exact conventions for searching target tools.
222 Document --with-build-time-tools. Document toplevel bootstrap. Document
223 something more about building an Ada cross-compiler. Don't list GNU Make
224 requirements which affect all platforms.
226 2006-02-19 Roger Sayle <roger@eyesopen.com>
228 PR middle-end/19543
229 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
230 only equivalent if the have both the same mode and precision.
232 2006-02-20 Ben Elliston <bje@au.ibm.com>
234 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
236 2006-02-19 Roger Sayle <roger@eyesopen.com>
237 Steven Bosscher <stevenb.gcc@gmail.com>
239 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
240 constant pool references to identify stack mode constants.
241 * rtlanal.c (constant_pool_constant_p): New predicate to check
242 whether operand is a floating point constant in the pool.
243 * rtl.h (constant_pool_constant_p): Prototype here.
244 * loop.c (scan_loop): Avoid hoisting constants from the constant
245 pool on STACK_REGS targets.
246 (load_mems): Likewise.
247 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
248 loads into x87 registers expensive in terms of register pressure.
250 2006-02-19 Roger Sayle <roger@eyesopen.com>
252 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
253 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
255 2006-02-19 David Edelsohn <edelsohn@gnu.org>
257 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
258 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
260 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
262 * doc/invoke.texi: Document -fipa-pta.
263 * common.opt: Add ipa-pta option.
264 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
265 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
266 (do_ds_constraint): Ditto.
267 (get_constraint_for): Only add to referenced_vars if
268 referenced_vars exists.
269 (insert_into_field_list): Rewrite to do this unsorted.
270 (insert_into_field_list_sorted): Rename old insert_into_field_list
271 to this.
272 (create_function_info_for): Use insert_into_field_list_sorted.
273 (create_variable_info_for): Rewrite so it uses unsorted version,
274 since the field list is sorted.
275 (intra_create_variable_infos): Only add to referenced_vars if
276 referenced_vars exists.
277 (ipa_pta_execute): Init heapvars, and delete when done.
278 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
280 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
282 * doc/install.texi: Add missing `@samp'.
284 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
286 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
287 Use the arguments.
289 2006-02-18 Mark Wielaard <mark@klomp.org>
291 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
292 who added new 4.1 features, bug fixes and integration support.
294 2006-02-18 David Edelsohn <edelsohn@gnu.org>
296 PR target/26350
297 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
298 MEM for ABI_V4 pic.
300 2006-02-18 Richard Sandiford <richard@codesourcery.com>
302 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
303 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
304 (copy_insn_1): Likewise. Don't copy each field individually.
305 Reindent.
306 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
307 of RTX_SIZE.
308 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
309 * rtl.c (rtx_size): Rename variable to...
310 (rtx_code_size): ...this.
311 (rtx_size): New function.
312 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
313 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
314 Reindent.
315 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
316 * rtl.h (rtx_code_size): New variable.
317 (rtx_size): Change from a variable to a function.
318 (RTX_SIZE): Rename to...
319 (RTX_CODE_SIZE): ...this.
321 PR target/9703
322 PR tree-optimization/17106
323 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
324 (Anchored Addresses): New section.
325 * doc/invoke.texi (-fsection-anchors): Document.
326 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
327 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
328 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
329 * hooks.c (hook_bool_mode_rtx_false): New function.
330 * hooks.h (hook_bool_mode_rtx_false): Declare.
331 * gengtype.c (create_optional_field): New function.
332 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
333 SYMBOL_REF_IN_BLOCK_P is true.
334 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
335 (min_anchor_offset, max_anchor_offset): Likewise.
336 (use_anchors_for_symbol_p): New hook.
337 * toplev.c (compile_file): Call output_object_blocks.
338 (target_supports_section_anchors_p): New function.
339 (process_options): Check that -fsection-anchors is only used on
340 targets that support it and when -funit-at-a-time is in effect.
341 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
342 if the decl doesn't have one.
343 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
344 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
345 of force_const_mem through use_anchored_address.
346 (expand_expr_constant): New function.
347 (expand_expr_addr_expr_1): Call it. Use the same modifier when
348 calling expand_expr for INDIRECT_REF.
349 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
350 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
351 * expr.h (use_anchored_address): Declare.
352 * loop-unroll.c: Don't declare rtx vectors here.
353 * explow.c: Include output.h.
354 (validize_mem): Call use_anchored_address.
355 (use_anchored_address): New function.
356 * common.opt (-fsection-anchors): New switch.
357 * varasm.c (object_block_htab, anchor_labelno): New variables.
358 (hash_section, object_block_entry_eq, object_block_entry_hash)
359 (use_object_blocks_p, get_block_for_section, create_block_symbol)
360 (use_blocks_for_decl_p, change_symbol_section): New functions.
361 (get_variable_section): New function, split out from assemble_variable.
362 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
363 use_blocks_for_decl_p say so. Use change_symbol_section if the
364 symbol has already been created.
365 (assemble_variable_contents): New function, split out from...
366 (assemble_variable): ...here. Don't output any code for
367 block symbols; just pass them to place_block_symbol.
368 Use get_variable_section and assemble_variable_contents.
369 (get_constant_alignment, get_constant_section, get_constant_size): New
370 functions, split from output_constant_def_contents.
371 (build_constant_desc): Create a block symbol if use_object_blocks_p
372 says so. Or into SYMBOL_REF_FLAGS.
373 (assemble_constant_contents): New function, split from...
374 (output_constant_def_contents): ...here. Don't output any code
375 for block symbols; just pass them to place_section_symbol.
376 Use get_constant_section and get_constant_alignment.
377 (force_const_mem): Create a block symbol if use_object_blocks_p and
378 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
379 (output_constant_pool_1): Add an explicit alignment argument.
380 Don't switch sections here.
381 (output_constant_pool): Adjust call to output_constant_pool_1.
382 Switch sections here instead. Don't output anything for block symbols;
383 just pass them to place_block_symbol.
384 (init_varasm_once): Initialize object_block_htab.
385 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
386 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
387 (place_block_symbol, get_section_anchor, output_object_block)
388 (output_object_block_htab, output_object_blocks): New functions.
389 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
390 (TARGET_ASM_OUT): Include it.
391 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
392 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
393 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
394 (TARGET_INITIALIZER): Include them.
395 * rtl.c (rtl_check_failed_block_symbol): New function.
396 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
397 (block_symbol, object_block): New structures.
398 (rtx_def): Add a block_symbol field to the union.
399 (BLOCK_SYMBOL_CHECK): New macro.
400 (rtl_check_failed_block_symbol): Declare.
401 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
402 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
403 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
404 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
405 * output.h (output_section_symbols): Declare.
406 (object_block): Name structure.
407 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
408 (default_use_anchors_for_symbol_p): Declare.
409 * Makefile.in (RTL_BASE_H): Add vec.h.
410 (explow.o): Depend on output.h.
411 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
412 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
413 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
414 (rs6000_use_blocks_for_constant_p): New function.
416 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
418 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
420 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
422 PR tree-opt/25680
423 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
424 IMAGPART_EXPR.
426 2006-02-18 Diego Novillo <dnovillo@redhat.com>
428 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
429 is_aliased.
430 Update all users.
432 2006-02-18 Jakub Jelinek <jakub@redhat.com>
434 PR middle-end/26334
435 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
436 instead of DECL_REGISTER.
438 2006-02-18 Olivier Hainque <hainque@adacore.com>
440 PR ada/13408
441 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
443 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
445 PR target/24837
446 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
447 * opth-gen.awk: Handle Var and InverseMask together.
448 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
449 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
450 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
451 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
452 used together.
453 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
454 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
455 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
456 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
457 LINUX_DYNAMIC_LINKER): Define.
458 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
459 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
460 TARGET_GLIBC.
461 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
462 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
463 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
464 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
465 (TARGET_C99_FUNCTIONS): Don't define.
466 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
467 GLIBC_DYNAMIC_LINKER.
468 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
469 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
470 GLIBC_DYNAMIC_LINKER64): Define.
471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
472 LINUX_DYNAMIC_LINKER64.
473 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
475 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
477 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
479 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
480 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
481 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
483 and LINUX_DYNAMIC_LINKER32.
484 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
486 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
488 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
489 TARGET_GLIBC.
490 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
491 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
492 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
493 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
494 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
495 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
496 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
497 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
498 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
499 LINUX_DYNAMIC_LINKER): Define.
500 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
501 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
502 GLIBC_DYNAMIC_LINKER64): Define.
503 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
504 LINUX_DYNAMIC_LINKER64.
505 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
506 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
507 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
508 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
509 LINUX_DYNAMIC_LINKER): Define.
510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
511 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
512 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
513 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
514 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
515 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
516 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
517 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
518 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
519 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
521 * doc/invoke.texi (-muclibc): Remove caveat about supported
522 targets.
524 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
526 * doc/cpp.texi (__TIMESTAMP__): Document.
528 2006-02-17 Roger Sayle <roger@eyesopen.com>
530 PR middle-end/25600
531 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
532 C is one less than the width of X (and related transformations).
533 * simplify_rtx.c (simplify_unary_operation_1): Transform
534 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
535 depending on STORE_FLAG_VALUE, were C is one less then the
536 width of X.
538 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
540 Fix PR tree-optimization/26341
541 * tree-ssa-operands.c (add_virtual_operand): Remove assert
542 about NAME_MEMORY_TAG's.
544 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
546 PR target/26255
547 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
548 with hardware float support, and software float support. Add fcpy
549 alternative to hardware patterns. Add alternatives to copy between
550 general and floating-point registers to the 32-bit pattern.
551 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
552 secondary reload to load a QI or HI mode constant into a floating
553 point register.
554 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
555 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
557 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
559 PR target/26272
560 * config/rs6000/darwin.md (load_macho_picbase_si): Add
561 pc to the pattern.
562 (load_macho_picbase_di): Likewise.
564 2006-02-16 Jeff Law <law@redhat.com>
566 * tree-vrp.c (set_value_range_to_nonnegative): New function.
567 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
568 (ssa_name_nonzero_p): Likewise.
569 (get_value_range): Return NULL if VRP is not running.
570 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
571 VRP routines do not discover a range.
572 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
573 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
574 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
575 (tree_expr_nonnegative_p): Similarly.
576 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
577 (restore_nonzero_vars_to_original_value): Remove.
578 (unsafe_associative_fp_binop): Remove.
579 (tree_ssa_dominator_optimize): Remove initialization and
580 finalization of nonzero_vars and nonzero_vars_stack.
581 (dom_opt_initialize_block): No longer push marker on
582 nonzero_vars_stack.
583 (dom_opt_finalize_block): No longer call
584 restore_nonzero_vars_to_original_value.
585 (record_equivalences_from_phis): No longer look for
586 nonzero PHI arguments.
587 (cprop_into_successor_phis): No longer propagate nonzero
588 property into PHI arguments. Lose unused argument. Caller
589 updated.
590 (record_equivalences_from_stmt): No longer record nonzero
591 values for SSA_NAMEs.
592 (lookup_avail_expr): No longer use nonzero_vars.
594 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
595 for sizetype when sizetype is unsigned.
597 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
599 PR rtl-optimization/25603
600 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
601 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
602 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
603 with new meaning of SETS.
605 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
607 PR target/20353
608 PR target/24578
609 PR target/24837
610 * config/linux.opt: New file.
611 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
612 LINUX_DYNAMIC_LINKER): Define.
613 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
614 * config.gcc (*-*-linux*): Define extra_options.
615 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
616 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
617 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
618 GLIBC_DYNAMIC_LINKER.
619 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
620 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
621 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
623 * doc/invoke.texi (GNU/Linux Options): New section.
625 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
627 * config/sparc/sparc.md (setjmp): Rewrite.
628 (setjmp_32): Delete.
629 (setjmp_64): Likewise.
631 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
633 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
634 previous change.
636 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
638 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
639 read-write uses.
641 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
643 PR rtl-optimization/26296
644 * Makefile.in (loop-invariant.c): Add except.h dependency.
645 * loop-invariant.c: Include except.h.
646 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
648 2005-02-16 Paul Brook <paul@codesourcery.com>
650 * reload1.c (emit_reload_insns): Invalidate dead input registers used
651 for reloads.
653 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
655 PR rtl-optimization/25636
656 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
657 when deciding whether an insn is an initializing insn.
659 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
661 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
662 (tree_code_size): Ditto.
663 * tree.h (struct tree_memory_tag): Remove parent_var.
664 (struct tree_struct_field_tag): New.
665 (SFT_OFFSET): New.
666 (SFT_SIZE): New.
667 (union tree_node): Add sft member.
668 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
669 specially here.
670 (create_sft): Add size and offset argument, set SFT_OFFSET and
671 SFT_SIZE.
672 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
673 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
674 * tree-flow-inline.h (get_subvar_at): Update for
675 SFT_OFFSET/SFT_SIZE.
676 (var_can_have_subvars): Ditto.
677 (overlap_subvar): Ditto.
678 * print-tree.c (print_node): Print out interesting things for
679 SFT's.
680 * tree-flow.h (struct subvar): Remove offset and size members.
681 * tree-ssa-operands.c (get_expr_operands): Update for
682 get_indirect_ref_operands changes.
683 (get_indirect_ref_operands): Call add_virtual_operand instead of
684 add_stmt_operand. Only recurse on base var if requested.
685 (access_can_touch_variable): New function.
686 (add_stmt_operand): Split virtual operand handling into ...
687 (add_virtual_operand): Here. Add offset, size, and for_clobber
688 arguments. Prune alias sets.
689 (add_call_clobber_ops): Call add_virtual_operand.
691 2006-02-15 Jakub Jelinek <jakub@redhat.com>
693 PR middle-end/26300
694 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
696 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
697 than TREE_CODE as index into omp_clause_num_ops array.
699 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
701 PR rtl-optimization/26184
702 * modulo-sched.c (generate_reg_moves): Free bitmap vector
703 uses_of_defs.
704 * modulo-sched.c (sms_schedule): Free g_arr pointer.
705 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
706 must_precede, must_follow and tobe_scheduled.
708 PR other/26147
709 * opts.c (common_handle_option): Free new_option pointer.
710 * df-core.c (df_analyze): Free postorder pointer.
712 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
714 * Makefile.in: Fix the examples about the use of stamps
716 2006-02-15 Michael Matz <matz@suse.de>
718 PR middle-end/22275
720 * stor-layout.c (layout_decl): Zero-width bitfields aren't
721 influenced by maximum_field_alignment or DECL_PACKED.
722 (update_alignment_for_field): Ditto.
723 (place_field): Ditto.
724 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
725 this behaviour.
727 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
729 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
730 (debug_flow_info): Pass it.
731 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
732 * bb-reorder.c (reorder_basic_blocks): Likewise.
733 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
734 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
735 * flow.c (life_analysis, recompute_reg_usage): Likewise.
736 * gcse.c (gcse_main, bypass_jumps): Likewise.
737 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
738 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
739 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
740 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
741 * rtl.h (dump_flow_info): Adjust prototype.
742 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
743 * var-tracking.c (variable_tracking_main): Likewise.
744 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
745 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
746 options.
748 2006-02-15 Marcin Dalecki <martin@dalecki.de>
750 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
751 construction.
753 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
755 PR tree-optimization/26209
756 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
757 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
758 eh edges.
759 * tree-cfg.c (replace_uses_by): Do not alter cfg.
761 2006-02-14 Roger Sayle <roger@eyesopen.com>
763 PR middle-end/23670
764 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
765 (X,Y) and the corresponding symmetry related transformations.
766 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
767 (X,Y) and its symmetry related transformations.
769 2006-02-14 Roger Sayle <roger@eyesopen.com>
771 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
772 and GEU.
774 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
776 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
778 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
780 PR bootstrap/26053
781 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
782 support COMDAT group.
783 * configure: Regenerate.
785 2006-02-14 Roger Sayle <roger@eyesopen.com>
787 PR middle-end/26279
788 PR middle-end/26280
789 PR middle-end/26283
790 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
792 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
794 Fix PR tree-optimization/26260
796 * doc/invoke.texi (max-fields-for-field-sensitive): Document
797 param.
798 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
799 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
800 * tree-ssa-structalias.c (create_variable_info_for): Use
801 MAX_FIELDS_FOR_FIELD_SENSITIVE.
803 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
805 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
806 Document.
807 * tree-ssa-loop-niter.c (number_of_iterations_ne,
808 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
809 of the ending condition.
810 * tree-ssa-loop-manip.c: Include params.h.
811 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
812 tree_unroll_loop): New functions.
813 * tree-pass.h (pass_loop_prefetch): Declare.
814 * loop.c (rest_of_handle_loop_optimize): Test for
815 -fprefetch-loop-arrays-rtl.
816 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
817 * timevar.def (TV_TREE_PREFETCH): New timevar.
818 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
819 pass_loop_prefetch): New.
820 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
821 (cleanup_tree_cfg_loop): Call scev_reset.
822 * common.opt (fprefetch-loop-arrays-rtl): Add.
823 * tree-ssa-loop-prefetch.c: New file.
824 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
825 (new_temp_expr_table): Initialize expr_vars.
826 (free_temp_expr_table): Cleanup expr_vars.
827 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
828 expressions from being merged into one.
829 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
830 (struct tree_niter_desc): Add control, bound and cmp fields.
831 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
832 Declare.
833 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
834 (tree-cfgcleanup.o): Add SCEV_H dependency.
835 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
836 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
838 2006-02-14 Richard Guenther <rguenther@suse.de>
840 PR tree-optimization/26258
841 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
842 in PHI argument processing.
844 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
846 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
847 new expression in the requested machine mode.
849 2006-02-13 Roger Sayle <roger@eyesopen.com>
851 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
852 directly, instead let do_compare_rtx_and_jump handle this for us.
853 * expr.c (expand_expr_real_1): Likewise.
854 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
855 before do_jump_by_parts_greater.
856 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
857 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
859 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
861 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
863 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
865 PR rtl-optimization/26235
866 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
867 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
868 format.
870 2006-02-13 Jeff Law <law@redhat.com>
872 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
873 TRUTH_XOR_EPR.
875 2006-02-13 Jakub Jelinek <jakub@redhat.com>
877 PR middle-end/26092
878 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
879 twice if decl is a builtin. When trying again, call get_callee_fndecl
880 first to verify it is still a builtin.
882 2006-02-13 Geoffrey Keating <geoffk@apple.com>
884 * dwarf2out.c (base_type_die): Don't add AT_name here.
885 (subrange_type_die): Don't add AT_name here.
886 (modified_type_die): Rearrange code flow. Do add AT_name here.
888 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
890 PR rtl-optimization/26247
891 PR rtl-optimization/26248
892 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
894 2006-02-13 Richard Sandiford <richard@codesourcery.com>
896 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
897 * config/fixtfdi.c: Likewise.
898 * config/fixunstfdi.c: Likewise.
899 * config/floatditf.c: Likewise.
901 2006-02-13 Roger Sayle <roger@eyesopen.com>
903 PR middle-end/24427
904 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
905 into (X,C2) if C1 is a subset of the bits of C2. Transform
906 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
907 (X&(C1&~C2))|C2.
908 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
910 2006-02-13 Josh Conner <jconner@apple.com>
912 PR target/25376
913 * varasm.c (function_section): Check for section name before
914 calling select_section on targets that define
915 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
916 unlikely_text_section instead of hot_function_section if
917 first_function_block_is_cold.
919 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
921 PR middle-end/25335
922 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
924 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
926 PR rtl-optimization/26222
927 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
928 after tree->rtl expansion.
929 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
930 before passing it to emit_move_insn.
932 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
934 * doc/invoke.texi (-Write-strings): Document that it is enabled by
935 default.
936 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
937 Clarify documentation.
938 * c-common.h (warn_write_strings): Remove.
939 * c-common.c (warn_write_strings): Likewise.
940 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
941 default for C++.
943 2006-02-12 Roger Sayle <roger@eyesopen.com>
945 PR middle-end/25724
946 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
947 (do_jump_parts_zero_rtx): New function renamed from
948 do_jump_parts_equality_rtx. Made static. Add a mode argument.
949 (do_jump_parts_equality_rtx): New function split out from
950 do_jump_parts_equality. Old implementation renamed as above.
951 Call do_jump_parts_zero_rtx if either operand is zero.
952 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
953 do all of the heavy lifting.
954 (do_compare_rtx_and_jump): Handle multi-word comparisons by
955 calling either do_jump_by_parts_greater_rtx or
956 do_jump_by_parts_equality_rtx.
957 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
958 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
959 moved to do_compare_rtx_and_jump, call it directly.
960 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
961 mode argument. Call do_compare_rtx_and_jump.
962 (emit_case_nodes): Update calls to do_jump_if_equal.
964 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
966 PR rtl-optimization/26225
967 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
969 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
971 PR rtl-optimization/26232
972 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
974 2006-02-11 Jason Merrill <jason@redhat.com>
976 PR tree-opt/24365
977 * tree-inline.c (declare_return_variable): Just don't use the
978 modify target if it's a gimple complex reg and the return slot
979 isn't.
981 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
983 * doc/contrib.texi: Update my entry.
985 2006-02-10 Geoffrey Keating <geoffk@apple.com>
987 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
989 2006-02-10 Diego Novillo <dnovillo@redhat.com>
991 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
992 expensive.
994 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
996 * doc/invoke.texi (-floop-optimize2): Removed.
997 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
998 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
999 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1000 * common.opt (floop-optimize2): Removed.
1001 (fmove-loop-invariants): Enabled by default.
1003 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1005 * tree-if-conv.c (combine_blocks): Free the result of
1006 get_loop_exit_edges.
1008 2006-02-10 Jeff Law <law@redhat.com>
1010 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1012 PR tree-optimization/26213
1013 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1014 loop trying to follow SSA_NAME_VALUE chains.
1016 2006-02-10 Richard Guenther <rguenther@suse.de>
1018 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1019 deal with structures that end in implicitly variable sized arrays.
1021 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1023 PR rtl-optimization/24762
1024 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1025 eh edges.
1027 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1029 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1030 (struct ivopts_data): Add regs_used field.
1031 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1032 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1033 instead of loop_data->regs_used;
1034 (free_loop_data): Do not free aux fields for loops.
1035 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1036 and tree_ssa_iv_optimize_finalize.
1038 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1040 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1042 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1044 PR target/26141
1045 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1046 computing the effective result type.
1048 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1050 PR inline-asm/16194
1051 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1052 (tree_overlaps_hard_reg_set): Declare.
1053 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1054 type and signature to match function type expected by walk_tree.
1055 (tree_overlaps_hard_reg_set): New function.
1056 (decl_conflicts_with_clobbers_p): Rename to:
1057 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1058 Use tree_overlaps_hard_reg_set. Changed caller.
1059 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1060 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1061 * cris.c (cris_md_asm_clobbers): Likewise.
1063 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1065 * reload1.c (emit_input_reload_insns): Delete code that tries to
1066 inherit using find_equiv_reg.
1068 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1070 * c-common.h (flag_const_strings): Don't declare.
1071 * c-common.c (flag_const_strings): Remove.
1072 * c.opt (fconst_strings): Remove.
1073 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1074 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1075 (c_common_init_options): Don't set flag_const_strings.
1076 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1078 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1080 * arm.md (tlobits_cbranch): New pattern.
1081 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1082 testing a single bit.
1084 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1086 PR tree-opt/26179
1087 * tree-ssa-pre.c (create_component_ref_by_pieces):
1088 Handle RETURN_DECL like VAR_DECL.
1090 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1092 PR middle-end/26134
1093 * fold-const.c (fold_indirect_ref_1): Fold
1094 "*(foo *)&complexfoo" to "__real__ complexfoo"
1095 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1097 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1099 * tree-flow-inline.h (var_can_have_subvars):
1100 Volatile variables should not have subvariables.
1102 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1104 PR 26180
1105 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1106 multiplying unsigned values.
1107 Tidy comments.
1109 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1111 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1113 2006-02-08 Jason Merrill <jason@redhat.com>
1115 PR c++/25979
1116 * tree.def: Elaborate on difference from MODIFY_EXPR.
1117 * doc/c-tree.texi (INIT_EXPR): Likewise.
1118 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1119 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1120 (gimplify_target_expr): Likewise.
1121 (gimplify_cond_expr): Remove target handling.
1122 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1123 (gimplify_expr): Clobber it here.
1124 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1125 Do return slot optimization if we have an INIT_EXPR.
1127 PR tree-opt/24365
1128 * tree-inline.c (declare_return_variable): Also clear
1129 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1131 PR c++/16405
1132 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1134 PR middle-end/22439
1135 * gimplify.c (gimplify_one_sizepos): Fix typo.
1137 2006-02-08 Jeff Law <law@redhat.com>
1139 PR tree-optimization/21417
1140 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1141 across a backedge if the control statement at the end of the
1142 block is data dependent on other statements in the same block.
1143 (record_temporary_equivalences_from_stmts): Remove over-conservative
1144 test for threading across backedges.
1146 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1147 control statement, handle all three special cases in the same
1148 manner as they all have the same desired solution. No longer
1149 special case edge flag updating when the post dominator is
1150 the exit block.
1152 2006-02-08 Roger Sayle <roger@eyesopen.com>
1154 * tree.def (CHAR_TYPE): Remove.
1155 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1156 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1157 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1158 (gen_string_type_die): Delete unreachable function.
1160 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1161 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1162 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1163 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1164 * builtins.c (type_to_class): Likewise.
1165 * fold-const.c (fold_convert, build_range_check,
1166 merge_ranges): Likewise.
1167 * expr.c (count_type_elements): Likewise.
1168 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1169 * stor-layout.c (layout_type): Likewise.
1170 * ipa-type-escape.c (type_to_consider): Likewise.
1171 * gimplify.c (omp_firstprivatize_type_sizes,
1172 gimplify_type_sizes): Likewise.
1173 * explow.c (promote_mode): Likewise.
1174 * tree-sra.c (is_sra_scalar_type): Likewise.
1175 * varasm.c (output_constant): Likewise.
1176 * tree-inline.c (remap_type_1): Likewise.
1177 * convert.c (convert_to_pointer, convert_to_real,
1178 convert_to_integer, convert_to_complex): Likewise.
1180 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1182 * df-scan.c (df_def_record_1): A set destination may
1183 be a parallel regardless of mode.
1185 2006-02-08 Roger Sayle <roger@eyesopen.com>
1187 PR target/22209
1188 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1189 * config/mips/_tilib.c: Remove.
1190 * config/fixtfdi.c: New libgcc source file.
1191 * config/fixunstfdi.c: New source file.
1192 * config/floatditf.c: New source file.
1193 * config/floatunditf.c: New souce file.
1194 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1195 files above instead of config/mips/_tilib.c.
1196 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1198 2006-02-08 Jeff Law <law@redhat.com>
1200 PR tree-optimization/26169
1201 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1202 threading jumps.
1204 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1206 * df.h (DF_REG_SIZE): Return the length of the initialized
1207 part of the array.
1209 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1211 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1212 __muldf3): Return a correctly signed zero.
1214 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1216 * passes.c (register_one_dump_file): Accept the current properties
1217 instead of pass number. Adjust call to dump_register. Remove
1218 duplicated code.
1219 (register_dump_files): Now a wrapper around...
1220 (register_dump_files_1): ... this one. Do not modify the pass
1221 structure.
1222 (next_pass_1): Cosmetic fix.
1223 (execute_todo): Keep second parameter only. Use curr_properties
1224 instead of fetching it from the pass structure. Check and set
1225 last_verified.
1226 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1227 instead of fetching it from the pass structure. Fix calls to
1228 execute_todo. Update curr_properties and initialize .vcg RTL dump
1229 after running the pass. Reset last_verified.
1230 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1231 at the beginning.
1232 (FIRST_AUTO_NUMBERED_DUMP): New.
1233 (dump_register): Remove "num" parameter, assign it within the
1234 function.
1235 (get_dump_file_name): Modify template for dumps.
1236 * tree-dump.h (dump_register): Adjust prototype.
1237 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1238 (PROP_trees): Add PROP_gimple_lomp.
1239 (TODO_set_props): New.
1240 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1241 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1242 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1244 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1246 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1247 (sparc64-*-linux*): Likewise.
1248 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1249 * config/sparc/t-linux: New file.
1250 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1251 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1252 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1253 -m32 -mlong-double-128.
1255 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1256 * config/alpha/t-linux: New file.
1257 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1259 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1260 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1261 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1262 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1263 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1264 (CPP_ARCH32_SPEC): Remove.
1266 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1268 PR tree-optimization/26145
1269 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1270 bbs pointer.
1272 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1274 PR target/26109
1275 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1276 >= 240000 when generating code for SOM runtime.
1277 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1278 to $$dyncall when generating code for SOM runtime..
1280 2006-02-07 Dirk Mueller <dmueller@suse.com>
1282 PR c++/18150
1283 * doc/invoke.texi (-Wsequence-point): Update documentation
1284 that -Wsequence-point is implemented for C++ as well.
1286 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1288 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1289 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1290 (LIB_SPEC): Likewise.
1291 * doc/invoke.texi (SPARC options): Document -pthread.
1293 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1295 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1296 PIC addresses.
1298 2006-02-07 Roger Sayle <roger@eyesopen.com>
1300 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1301 Correct comment describing BOOLEAN_TYPE.
1303 2006-02-07 Dirk Mueller <dmueller@suse.com>
1305 * c.opt: C++ frontend supports -Wdiv-by-zero.
1306 * c-opts.c (c_common_handle_option): Remove dead case.
1308 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1310 * configure.ac (TLS assembler check): Do not enable TLS by
1311 default on SPARC/Solaris before version 10.
1312 * configure: Regenerate.
1314 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1316 * doc/invoke.texi (xl-compat): Document conversion and support
1317 routine names.
1319 2006-02-07 Jeff Law <law@redhat.com>
1321 * tree-vrp.c (find_conditional_asserts): Update comments.
1322 (simplify_stmt_for_jump_threading): New.
1323 (identify_jump_threads, finalize_jump_threads): New.
1324 (vrp_finalize): Call identify_jump_threads.
1325 (execute_vrp): Call finalize_jump_threads.
1326 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1327 (vrp_element, vrp_data, vrp_element_p): Remove.
1328 (vrp_hash_elt, vrp_variables_stack): Remove.
1329 (vrp_hash, vrp_eq, record_range): Remove.
1330 (simplify_cond_and_lookup_avail_expr): Remove.
1331 (extract_range_from_cond): Remove.
1332 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1333 (simplify_stmt_for_jump_threading): New.
1334 (dom_thread_across_edge): New wrapper.
1335 (tree_ssa_dominator_optimize): No longer initialize or
1336 finalize any of the VRP datastructures. Remove iteration
1337 step and simplify as a result of removal of iteration step.
1338 (pass_dominator): Perform a cfg cleanup after DOM.
1339 (dom_opt_finalize_block): Use the new common routines
1340 for threading jumps. Simplify stack management slightly.
1341 No longer need to unwind VRP state.
1342 (record_equivalences_from_incoming_edge): No longer record
1343 VRP information.
1344 (eliminate_redundant_computations): No longer call
1345 simplify_cond_and_lookup_avail_expr.
1346 * tree-flow.h (potentially_threadable_block): Prototype.
1347 (thread_across_edge): Likewise.
1348 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1349 (tree-ssa-threadedge.o): Add dependencies.
1350 * tree-ssa-threadedge.c: New file.
1351 * passes.c (init_optimization_passes): Merge PHIs before
1352 calling VRP. Run VRP again late in the SSA optimization pipeline.
1354 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1356 * df-core.c (df_set_blocks): Do not dereference function pointers.
1357 (df_finish1): Likewise.
1358 (df_hybrid_search_forward): Likewise.
1359 (df_hybrid_search_backward): Likewise.
1360 (df_iterative_dataflow): Likewise.
1361 (df_analyze_problem): Likewise.
1362 (df_compact_blocks): Likewise.
1363 (df_dump): Likewise.
1364 * df-scan.c (df_rescan_blocks): Likewise.
1365 (df_record_entry_block_defs): Likewise.
1367 * genconditions.c (write_conditions): Guard the definition of
1368 'insn_conditions' with the check on GCC version.
1369 (write_writer): Guard the traversal 'insn_conditions' with
1370 the check on GCC version.
1372 2006-02-07 Richard Guenther <rguenther@suse.de>
1374 PR c++/26140
1375 Revert
1376 2006-01-30 Richard Guenther <rguenther@suse.de>
1377 PR c++/23372
1378 * gimplify.c (gimplify_target_expr): Handle easy cases
1379 without creating a temporary.
1381 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1383 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1384 use of float in probability computations. Use edge probabilities
1385 in place of statically computed probabilities.
1386 (min_spec_prob): New static variable.
1387 (schedule_insns): Initialize it.
1388 (GET_SRC_PROB): Removed.
1389 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1391 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1393 PR debug/24444
1394 * config/ia64/unwind-ia64.c: Revert last change.
1395 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1396 (INCOMING_FRAME_SP_OFFSET): Define.
1398 2006-02-06 Roger Sayle <roger@eyesopen.com>
1400 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1402 2006-02-07 Ben Elliston <bje@au.ibm.com>
1404 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1405 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1406 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1407 (ix86_return_in_memory): Handle TDmode.
1408 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1409 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1411 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1413 * reorg.c (dbr_schedule): Use dump_file instead of file.
1415 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1417 PR target/25917
1418 * config/ia64/predicates.md (extr_len_operand): New predicate.
1419 * config/ia64/ia64.md (extv): Tighten constraints.
1420 (extzv): Ditto.
1421 (*tbit_and_2): Ditto.
1422 (*tbit_and_3): Ditto.
1423 (*tbit_or_2): Ditto.
1424 (*tbit_or_3): Ditto.
1425 (*bit_zero): Ditto.
1426 (*bit_one): Ditto.
1428 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1430 PR target/23359
1431 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1433 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1435 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1436 loop_optimizer_init and loop_optimizer_finalize
1437 * tree-ssa-sink.c (execute_sink_code): Ditto.
1438 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1439 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1440 tree_ssa_loop_done): Ditto.
1441 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1442 * sched-ebb.c: Include output.h.
1443 (schedule_ebbs): Do not use dump argument.
1444 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1445 * loop.c (loop_dump_stream): Removed.
1446 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1447 argument.
1448 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1449 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1450 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1451 loop_iterations, strength_reduce, record_biv, record_giv,
1452 final_giv_value, check_final_value, check_ext_dependent_givs,
1453 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1454 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1455 dump_file instead of loop_dump_stream.
1456 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1457 argument dump_file.
1458 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1459 dump argument.
1460 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1461 * haifa-sched.c: Include output.h
1462 (schedule_insns, sched_init): Do not use dump argument.
1463 * mode-switching.c (optimize_mode_switching): Ditto.
1464 * modulo-sched.c (stats_file): Removed.
1465 (print_node_sched_params): Do not call argument dump_file.
1466 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1467 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1468 of stats_file.
1469 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1470 use dump argument.
1471 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1472 rtl_loop_init, rtl_loop_done): Ditto.
1473 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1474 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1475 Ditto.
1476 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1477 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1478 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1479 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1480 * emit-rtl.c (renumber_insns): Ditto.
1481 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1482 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1483 * regclass.c (regclass): Ditto.
1484 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1485 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1486 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1487 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1488 Ditto.
1489 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1490 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1491 to regclass.
1492 * gcse.c (gcse_file, debug_stderr): Removed.
1493 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1494 rest_of_handle_gcse): Do not use dump argument.
1495 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1496 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1497 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1498 compute_code_hoist_vbeinout, compute_code_hoist_data,
1499 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1500 compute_store_table, build_store_vectors, insert_insn_start_bb,
1501 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1502 store_motion): Use dump_file instead of gcse_file.
1503 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1504 * profile.c (profile_dump_file): Removed.
1505 (branch_prob): Use dump_file instead of profile_dump_file.
1506 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1507 dump_file.
1508 * tree-ssa-copy.c (dump_copy_of): Ditto.
1509 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1510 dump file to life_analysis.
1511 * bt-load.c (branch_target_load_optimize): Ditto.
1512 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1513 renumber_insns.
1514 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1515 regclass, dbr_schedule): Declaration changed.
1516 * sched-int.h (sched_init): Declaration changed.
1517 * tree-profile.c (tree_profile_dump_file): Removed.
1518 (tree_profile_hooks): Removed profile_dump_file hook.
1519 * rtl-profile (rtl_profile_dump_file): Removed.
1520 (rtl_profile_hooks): emoved profile_dump_file hook.
1521 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1522 changed.
1523 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1524 * tree-cfg.c (build_tree_cfg): Ditto.
1525 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1526 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1527 Declaration changed.
1528 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1529 life_analysis and schedule_insns.
1530 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1531 life_analysis.
1532 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1533 dbr_schedule.
1534 * config/mips/mips.c (mips_reorg): Ditto.
1535 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1536 schedule_ebbs.
1538 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1540 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1541 (s390_mangle_fundamental_type): New.
1542 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1543 Define.
1545 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1546 (alpha_mangle_fundamental_type): New.
1547 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1548 Define.
1550 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1551 Define.
1552 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1553 Define.
1554 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1555 (sparc_mangle_fundamental_type): New.
1557 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1559 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1560 (s390x-*-linux*): Likewise.
1561 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1562 * config/s390/t-linux: New file.
1564 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1566 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1567 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1569 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1571 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1572 (ANTIC_SAFE_LOADS): New macro.
1573 (find_or_generate_expression): Add prototype.
1574 (set_contains_value): Allow null set for sake of not always having
1575 to allocate ANTIC_SAFE_LOADS.
1576 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1577 Allow COMPONENT_REF too.
1578 (valid_in_set): Allow COMPONENT_REF.
1579 Check ANTIC_SAFE_LOADS too.
1580 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1581 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1582 rename.
1583 (can_PRE_operation): Add COMPONENT_REF.
1584 (create_component_ref_by_pieces): New function.
1585 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1586 (insert_aux): Move AGGREGATE_TYPE_P check here.
1587 (compute_avail): Set bb local stmt uids.
1588 (pass_pre): Use TODO_update_ssa_only_virtuals.
1590 2006-02-06 Ben Elliston <bje@au.ibm.com>
1592 * configure.ac: Unconditionally disable decimal float by default.
1593 * configure: Regenerate.
1595 2006-02-06 Ben Elliston <bje@au.ibm.com>
1597 * read-rtl.c (read_name): Terminate reading on EOF.
1599 2006-02-06 Ben Elliston <bje@au.ibm.com>
1601 * dfp.c (decimal_real_arithmetic): Change second argument type
1602 from int to enum tree_code. Do not always return true, but now
1603 return result of any call to decimal_do helper functions.
1604 * dfp.h (decimal_real_arithmetic): Update prototype.
1606 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1608 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1610 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1612 PR tree-opt/25251
1613 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1614 forced labels.
1616 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1618 * tree-vrp.c (cfg_loops): Removed.
1619 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1620 Use current_loops instead of cfg_loops. Pass flags to
1621 loop_optimizer_init.
1622 * cfgloopmanip.c (fix_loop_structure): Update only available
1623 information.
1624 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1625 loop_optimizer_init.
1626 * modulo-sched.c (build_loops_structure): Removed.
1627 (sms_schedule): Use loop_optimizer_init.
1628 * loop-init.c (loop_optimizer_init): Use flags to determine
1629 which properties of loops to prepare.
1630 (rtl_loop_init): Pass flags to loop_optimizer_init.
1631 * tree-ssa-sink.c (execute_sink_code): Ditto.
1632 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1633 * tree-ssa-pre.c (init_pre): Ditto.
1634 * cfgloop.h (LOOPS_NORMAL): New.
1635 (loop_optimizer_init): Declaration changed.
1637 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1639 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1640 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1641 pa/t-pa.
1642 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1643 pa/t-pa.
1644 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1645 pa/x-ada.
1646 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1647 * pa/t-pa64: Delete quadlib.c rule.
1648 * pa/x-ada: Revert last change.
1649 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1651 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1653 PR rtl-optimization/26087
1654 * rtlanal.c (canonicalize_condition): Do not cross basic block
1655 boundaries.
1657 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1659 PR debug/24444
1660 * config/ia64/ia64.c: Include debug.h.
1661 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1662 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1663 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1664 (process_epilogue, process_set, process_for_unwind_directive):
1665 Output unwind info only if requested. Add CFA info if requested.
1666 Add new arguments as needed. Adjust callers.
1667 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1668 incorrect default.
1669 (DWARF2_FRAME_INFO): Define to zero.
1670 * config/ia64/unwind-ia64.c: Remove code that compensated for
1671 the CFA offset error fixed above.
1672 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1673 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1674 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1675 -funwind-tables and -fexceptions to enable frame info.
1676 (dwarf2out_frame_init): Define initial CFA even if
1677 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1678 DWARF2_UNWIND_INFO is nonzero, not just defined.
1679 (dwarf2out_frame_finish): Output non-EH call frame info only
1680 if DWARF2_FRAME_INFO is nonzero.
1681 (convert_cfa_to_loc_list,
1682 compute_frame_pointer_to_cfa_displacement): Define even if
1683 unwind info is not supported.
1684 (gen_subprogram_die): Use the above unconditionally. Remove
1685 legacy alternate code.
1686 * toplev.c (compile_file): Compile in call to
1687 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1688 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1690 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1691 Jakub Jelinek <jakub@redhat.com>
1693 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1694 IBM extended float format long double as "g" on powerpc*-linux.
1696 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1698 PR target/25926
1699 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1700 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1702 2006-02-03 Jason Merrill <jason@redhat.com>
1704 PR c++/25979
1705 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1707 PR middle-end/25977
1708 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1709 on the return slot if it's an NRV.
1711 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1713 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1714 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1715 rewrite_use): Do not handle USE_OUTER.
1716 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1717 add_iv_outer_candidates, may_replace_final_value,
1718 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1719 (find_interesting_uses_op): Functionality of
1720 find_interesting_uses_outer_or_nonlin moved here.
1721 (find_interesting_uses_outside): Use find_interesting_uses_op.
1723 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1725 PR target/25960
1726 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1728 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1729 Ulrich Weigand <uweigand@de.ibm.com>
1731 PR target/25864
1732 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1733 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1734 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1735 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1736 and dxr fields.
1737 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1738 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1739 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1740 Define secondary reloads for TFmode moves.
1741 (constant_modes): Add TFmode.
1742 (NR_C_MODES): Set to 8.
1743 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1744 builtin define.
1745 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1746 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1747 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1748 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1749 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1750 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1751 (FPR mode macro): Add TFmode.
1752 (DSF mode macro): New.
1753 (<de>, <dee> mode attributes): Removed.
1754 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1755 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1756 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1757 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1758 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1759 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1760 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1761 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1762 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1763 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1764 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1765 "*negabs<mode>2", "sqrt<mode>2"):
1766 Changed <de> to <xde>. R constraint replaced by <Rf>.
1767 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1768 <Rf>.
1769 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1770 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1771 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1772 splitters.
1773 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1774 "extenddftf2", "extendsftf2"): New expanders.
1775 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1776 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1777 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1778 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1779 New options.
1780 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1781 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1782 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1783 __floatditf): Add a GCC_4.1.0 symbol version tag.
1784 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1785 the new options.
1787 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1789 PR target/25377
1790 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1791 Use targetm.binds_local_p instead of TREE_PUBLIC.
1793 2006-02-02 Roger Sayle <roger@eyesopen.com>
1795 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1796 on INTEGER_TYPEs to indicate that it denotes a character type.
1797 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1798 signed_char_type_node, unsigned_char_type_node and char_type_node.
1799 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1800 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1801 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1803 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1804 Daniel Berlin <dberlin@dberlin.org>
1806 * tree-tailcall.c (arg_needs_copy_p): New function.
1807 (eliminate_tail_call): Use arg_needs_copy_p.
1808 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1809 (add_virtual_phis): New function.
1811 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1813 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1814 #ignore instead of #scratch for %g7 .register directive.
1816 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1818 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1819 object files.
1821 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1823 * flow.c (calculate_global_regs_live): Assert that there aren't any
1824 EDGE_FAKE edges.
1826 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1828 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1829 what its name says.
1830 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1831 bsi_after_labels iterator.
1832 * tree-if-conv.c (find_phi_replacement_condition,
1833 replace_phi_with_cond_modify_expr): Likewise.
1834 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1835 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1837 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1839 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1841 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1843 PR 25990
1844 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1845 array after growing it.
1847 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1849 PR middle-end/24901
1850 * fold-const.c (fold_checksum_tree): Change type of buf.
1852 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1854 * reload.c (push_secondary_reload): Initialize t_icode.
1856 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1858 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1859 -msoft-float -mlong-double-128 only issue a warning, but don't
1860 swich to DFmode long double.
1862 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1864 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1865 has a constant equivalent, iterate over equivalents for arg0,
1866 calling simplify_relational_operation and if there's a result
1867 cheaper than X, apply fold_rtx and return the result.
1869 2006-02-01 Jan Hubicka <jh@suse.cz>
1871 * opts.c (no_unit_at_a_time_default): New global variable.
1872 (decode_options): Use it.
1873 * opts.h (no_unit_at_a_time_default): Declare.
1875 2006-02-01 Paul Brook <paul@codesourcery.com>
1877 * function.c (assign_parm_setup_reg): Use function argument promotion
1878 rules.
1879 * expr.c (expand_expr_real_1): Use function argument promotion rules
1880 for PARM_DECLs.
1882 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1884 * gcc.c (process_command): Change j to 'unsigned int'.
1886 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1888 PR middle-end/26001
1889 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1890 Use the corrected index for the character
1891 out of the string constant.
1893 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1895 * mode-switching.c (optimize_mode_switching): Fix size
1896 allocated for bb_info[n_entities].
1898 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1900 * gcc.c (main): Correct type that is allocated for
1901 explicit_link_files.
1903 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1905 * config/s390/s390.c (init_alignment_context): Set
1906 ALIAS_SET_MEMORY_BARRIER on the MEM.
1907 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1909 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1911 PR middle-end/25933
1912 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1913 dom_bbs pointer.
1914 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1915 call to tpa_init.
1917 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1919 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1920 * regrename.c: Ditto.
1921 * tree-ssa-loop-im.c: Ditto.
1922 * tree-dump.c: Ditto.
1923 * tree-complex.c: Ditto.
1924 * genrecog.c: Ditto.
1925 * tree-ssa-threadupdate.c: Ditto.
1926 * tracer.c: Ditto.
1927 * java/class.c: Ditto.
1928 * java/jcf-parse.c: Ditto.
1929 * java/resource.c: Ditto.
1930 * java/except.c: Ditto.
1931 * java/jvspec.c: Ditto.
1932 * java/jcf-write.c: Ditto.
1933 * java/jcf-path.c: Ditto.
1934 * java/gjavah.c: Ditto.
1935 * java/zextract.c: Ditto.
1936 * java/jcf-io.c: Ditto.
1937 * java/jcf.h: Ditto.
1938 * java/buffer.c: Ditto.
1939 * java/lang.c: Ditto.
1940 * java/parse-scan.y: Ditto.
1941 * java/lex.c: Ditto.
1942 * java/lex.h: Ditto.
1943 * cfgloopmanip.c: Ditto.
1944 * postreload-gcse.c: Ditto.
1945 * tree-ssa-loop-manip.c: Ditto.
1946 * postreload.c: Ditto.
1947 * tree-ssa-loop-ch.c: Ditto.
1948 * loop.c: Ditto.
1949 * ipa-cp.c: Ditto.
1950 * cppspec.c: Ditto.
1951 * diagnostic.c: Ditto.
1952 * final.c: Ditto.
1953 * genoutput.c: Ditto.
1954 * gcc.c: Ditto.
1955 * cfghooks.c: Ditto.
1956 * cfgloopanal.c: Ditto.
1957 * objc/objc-act.c: Ditto.
1958 * gcov.c: Ditto.
1959 * genextract.c: Ditto.
1960 * genautomata.c: Ditto.
1961 * pretty-print.c: Ditto.
1962 * genemit.c: Ditto.
1963 * cgraphunit.c: Ditto.
1964 * flow.c: Ditto.
1965 * df-scan.c: Ditto.
1966 * haifa-sched.c: Ditto.
1967 * dominance.c: Ditto.
1968 * dbxout.c: Ditto.
1969 * tree-ssa-loop-ivopts.c: Ditto.
1970 * df-core.c: Ditto.
1971 * mode-switching.c: Ditto.
1972 * modulo-sched.c: Ditto.
1973 * graph.c: Ditto.
1974 * ipa-pure-const.c: Ditto.
1975 * cse.c: Ditto.
1976 * fix-header.c: Ditto.
1977 * web.c: Ditto.
1978 * tree-stdarg.c: Ditto.
1979 * ipa-utils.c: Ditto.
1980 * loop-init.c: Ditto.
1981 * ipa-inline.c: Ditto.
1982 * cfganal.c: Ditto.
1983 * global.c: Ditto.
1984 * alloc-pool.c: Ditto.
1985 * dwarf2out.c: Ditto.
1986 * opts.c: Ditto.
1987 * genattrtab.c: Ditto.
1988 * tree-ssa-loop-ivcanon.c: Ditto.
1989 * predict.c: Ditto.
1990 * timevar.c: Ditto.
1991 * lcm.c: Ditto.
1992 * fortran/gfortranspec.c: Ditto.
1993 * regmove.c: Ditto.
1994 * local-alloc.c: Ditto.
1995 * langhooks.c: Ditto.
1996 * function.c: Ditto.
1997 * tree-vectorizer.c: Ditto.
1998 * gcse.c: Ditto.
1999 * ipa-type-escape.c: Ditto.
2000 * alias.c: Ditto.
2001 * tree-if-conv.c: Ditto.
2002 * profile.c: Ditto.
2003 * ipa.c: Ditto.
2004 * tree-data-ref.c: Ditto.
2005 * loop-unroll.c: Ditto.
2006 * treelang/treetree.c: Ditto.
2007 * calls.c: Ditto.
2008 * bt-load.c: Ditto.
2009 * ggc-common.c: Ditto.
2010 * except.c: Ditto.
2011 * coverage.c: Ditto.
2012 * cselib.c: Ditto.
2013 * tree-cfgcleanup.c: Ditto.
2014 * tree-ssa-pre.c: Ditto.
2015 * cfgcleanup.c: Ditto.
2016 * loop-invariant.c: Ditto.
2017 * loop-iv.c: Ditto.
2018 * ipa-prop.c: Ditto.
2019 * print-tree.c: Ditto.
2020 * conflict.c: Ditto.
2021 * ggc-page.c: Ditto.
2022 * sched-deps.c: Ditto.
2023 * regclass.c: Ditto.
2024 * tree-object-size.c: Ditto.
2025 * combine.c: Ditto.
2026 * bb-reorder.c: Ditto.
2027 * resource.c: Ditto.
2028 * var-tracking.c: Ditto.
2029 * cfgloop.c: Ditto.
2030 * df-problems.c: Ditto.
2031 * reg-stack.c: Ditto.
2032 * tlink.c: Ditto.
2033 * gccspec.c: Ditto.
2034 * sched-rgn.c: Ditto.
2035 * tree-ssa-structalias.c: Ditto.
2036 * tree-ssa-reassoc.c: Ditto.
2037 * config/darwin-c.c: Ditto.
2038 * config/darwin.c: Ditto.
2039 * config/arm/arm.c: Ditto.
2040 * cfgrtl.c: Ditto.
2041 * collect2.c: Ditto.
2042 * reload1.c: Ditto.
2044 2006-01-31 Nicolas Pitre <nico@cam.org>
2046 * arm.md (smaxsi3): Make aware of smax_m1.
2047 (smax_m1): New.
2049 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2051 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2053 2006-01-31 Richard Guenther <rguenther@suse.de>
2055 * doc/invoke.texi (-msselibm): Document.
2056 * target.h (expand_library_builtin): New target hook.
2057 * builtins.c (expand_builtin): Use expand_library_builtin.
2058 (default_expand_library_builtin): New function.
2059 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2060 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2061 (link_gcc_math_spec): Declare.
2062 (static_specs): Add link_gcc_math_spec.
2063 * expr.h (default_expand_library_builtin): Declare.
2064 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2065 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2066 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2067 * config/i386/i386.opt (msselibm): New target option.
2068 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2069 (ix86_init_sse_abi_builtins): New function.
2070 (ix86_expand_library_builtin): Likewise.
2071 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2072 (override_options): Handle error conditions wrt -msselibm.
2073 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2074 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2075 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2076 builtins.
2078 2006-01-31 Richard Guenther <rguenther@suse.de>
2079 Paolo Bonzini <bonzini@gnu.org>
2081 * doc/install.texi (--disable-libgcc-math): Document.
2083 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2085 * expr.h (expand_normal): new inline function.
2086 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2087 * dojump.c: use it.
2088 * dwarf2out.c: use it.
2089 * expr.c: use it.
2090 * calls.c: use it.
2091 * expmed.c: use it.
2092 * except.c: use it.
2093 * config/sparc/sparc.c: use it.
2094 * config/i386/i386.c: use it.
2095 * config/rs6000/rs6000.c: use it.
2096 * config/arm/arm.c: use it.
2097 * config/mips/mips.c: use it.
2098 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2100 2006-01-30 Roger Sayle <roger@eyesopen.com>
2102 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2103 argv to the appropriate type.
2105 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2107 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2108 unreachable code.
2110 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2112 PR target/26018
2113 * config/s390/s390.c (struct machine_function): New flag
2114 decomposed_literal_pool_addresses_ok_p.
2115 (s390_reorg): Set it before final stage of literal pool transforms.
2116 (s390_decompose_address): Only accept displacements of the form
2117 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2119 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2121 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2122 the comparison routine return.
2124 2006-01-30 Michael Matz <matz@suse.de>
2126 * global.c (find_reg): Only evict for global regs.
2127 Take n_refs into account and dump more info.
2129 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2131 PR target/14798:
2132 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2133 (pragma_trap, pragma_nosave_low_regs): Likewise.
2134 (current_function_anonymous_args): Likewise.
2135 (sh_deferred_function_attributes): New variable.
2136 (sh_deferred_function_attributes_tail): Likewise.
2137 (print_operand): For '@', look up trap_exit attribute.
2138 (calc_live_regs): Look up trapa_handler attribute. For trapa
2139 handlers, save/restore fpscr, but don't do any other
2140 interrupt-specific saves.
2141 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2142 Fix check for partially saved registers to check for SHmedia.
2143 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2144 (sh_output_function_epilogue): Don't clear any of the removed
2145 variables.
2146 (sh_insert_attributes): Don't check pragma_interrupt.
2147 Insert deferred attributes. Check that interrupt attribute is
2148 present for other attributes that require its presence.
2149 (sh_attribute_table): Add new attributes trapa_handler and
2150 nosave_low_regs.
2151 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2152 Don't check for pragma_interrupt. Don't store argument.
2153 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2154 (sh_deferred_function_attributes): Declare.
2155 (sh_deferred_function_attributes_tail): Likewise.
2156 * sh.md (sp_switch_1): Add operand. Change generator caller.
2157 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2158 (*return_i): Don't use when trap_exit attribute is in effect.
2159 (*return_trapa): New insn pattern.
2160 * sh-c.c: New file.
2161 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2162 setting c_target_objs and cxx_target_objs.
2163 * t-sh: Add rule for sh-c.o.
2165 2006-01-30 Richard Guenther <rguenther@suse.de>
2167 PR c++/23372
2168 * gimplify.c (gimplify_target_expr): Handle easy cases
2169 without creating a temporary.
2171 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2173 * vec.h (safe_grow): Remove duplicated line.
2175 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2177 PR 25874
2178 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2179 (expand_omp): ... here.
2180 (expand_omp_parallel): Only remove barriers for combined
2181 parallel+workshare constructs.
2183 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2185 Revert
2187 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2188 * tree.c (build_qualified_type): Chain the new type to the original
2189 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2190 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2191 (build_pointer_type_for_mode): Only return unqualified types.
2192 (build_reference_type_for_mode): Likewise.
2194 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2196 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2197 * Makefile.in (CXX_COMPAT_WARN): Define.
2198 * configure: Regenerate.
2200 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2202 PR tree-opt/25911
2203 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2204 to an if check.
2206 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2208 * toplev.c: Fix thinko.
2210 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2211 Marcin Dalecki <martin@dalecki.de>
2213 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2214 (push_srcloc): Use XNEW.
2215 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2217 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2219 * df-core.c (df_set_blocks): Deleted all variable.
2221 2006-01-28 Ian Lance Taylor <ian@airs.com>
2223 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2224 cgraph_output_pending_asms.
2226 2006-01-28 Zack Weinberg <zackw@panix.com>
2228 * c.opt: Add -W(no-)overlength-strings.
2229 * doc/invoke.texi: Document it.
2230 * c-opts.c (c_common_handle_option): -pedantic implies
2231 -Woverlength-strings, if not explicitly disabled already.
2232 (c_common_post_options): -Woverlength-strings defaults to off, and
2233 is always off for C++.
2234 * c-common.c (fix_string_type): Issue warning about strings longer
2235 than is portable only if warn_overlength_strings. Rearrange code
2236 a little for clarity.
2237 * configure.in: Check for -Wno-overlength-strings as well before
2238 enabling -pedantic in stage 1.
2239 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2240 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2242 * genconditions.c (write_header, write_one_condition)
2243 (write_conditions, write_writer): Consolidate very long strings
2244 that were broken up to fit in C89 portable limit. Don't use
2245 printf when fputs will do.
2247 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2249 * combine.c (simplify_comparison <AND>): Check
2250 TRULY_NOOP_TRUNCATION before start using a subreg.
2252 * config/mips/mips.md (*branch_zero<mode>,
2253 *branch_zero<mode>_inverted, *branch_equality<mode>,
2254 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2255 Remove mode check from comparisons.
2257 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2259 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2261 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2263 * expmed.c (const_mult_add_overflow_p): Remove.
2264 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2266 * recog.c (validate_replace_rtx_subexp): Remove.
2267 * recog.h: Remove the prototype for
2268 validate_replace_rtx_subexp.
2270 * integrate.h: Remove the prototype for
2271 copy_decl_for_inlining.
2272 * rtl.h: Remove the prototype for mark_constant_function.
2273 * tree-vectorizer.h: Remove the prototype for
2274 vect_strip_conversion.
2276 * modulo-sched.c (create_partial_schedule,
2277 free_partial_schedule, reset_partial_schedule): Make them
2278 static.
2280 * hooks.c (hook_bool_rtx_int_false): Remove.
2281 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2283 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2285 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2286 and -mlong-double-128 are incompatible.
2287 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2288 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2289 (TARGET_LIBGCC2_CFLAGS): Define.
2290 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2291 (TARGET_LIBGCC2_CFLAGS): Same.
2292 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2294 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2296 PR c/19606.
2297 * c-typeck.c (build_binary_op): Perform implicit casts of
2298 operands before shortening them.
2300 * cfgloopmanip.c (split_loop_bb): Remove.
2301 * cfgloop.h: Remove the prototype for split_loop_bb.
2303 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2304 * cfgloop.h: Remove the prototype for
2305 flow_loop_outside_edge_p.
2307 * emit-rtl.c (init_virtual_regs): Make it static.
2308 * function.h: Remove the prototype for init_virtual_regs.
2310 * recog.c (peephole2_optimize): Make it static.
2311 * recog.h: Remove the prototype for peephole2_optimize.
2313 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2315 * df-scan.c (df_record_entry_block_defs): Check if
2316 INCOMING_RETURN_ADDR_RTX is defined.
2318 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2319 Kenneth Zadeck <zadeck@naturalbridge.com>
2321 PR rtl-optimization/24762
2322 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2323 * targhooks.c (hook_void_bitmap): New hook prototype.
2324 * targhoohs.h (hook_void_bitmap): Ditto.
2325 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2326 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2327 * target.h (live_on_entry): New function pointer.
2328 * df-scan.c (df_all_hard_regs): Removed.
2329 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2330 (df_scan_free_internal): Added df->entry_block_defs.
2331 (df_scan_alloc): Ditto.
2332 (df_scan_dump): Ditto.
2333 (df_uses_record): Plumbed flag field properly thru calls.
2334 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2335 This part fixes PR24762.
2336 (df_bb_refs_record): Added code to make the frame and arg
2337 pointers live in EH blocks.
2338 (df_refs_record): Added call to df_record_entry_block_defs.
2339 (df_record_entry_block_defs): New function.
2340 * df-core.c: Added comments to describe new artifical defs.
2341 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2342 (entry_block_defs): New field in struct df.
2343 (df_all_hard_regs): Deleted.
2344 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2345 * df-problems.c (df_ru_bb_local_compute_process_def):
2346 Added code to handle artifical defs in the entry to a function.
2347 (df_ru_bb_local_compute): Ditto.
2348 (df_rd_bb_local_compute_process_def): Ditto.
2349 (df_rd_bb_local_compute): Ditto.
2350 (df_lr_bb_local_compute): Ditto.
2351 (df_ur_bb_local_compute): Ditto.
2352 (df_urec_bb_local_compute): Ditto.
2353 (df_chain_create_bb): Ditto.
2354 (df_ur_local_finalize): Removed entry.
2355 (df_urec_init): Ditto.
2356 (df_urec_local_finalize): Ditto.
2357 (df_ri_bb_compute): Added detection of last use of pseudos.
2358 * Makefile.in (df-scan.o): Updated dependencies.
2359 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2360 * config/mips/mips.c (mips_set_live_on_entry): Added.
2361 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2362 for target hook.
2363 * dce.c (marked_insn_p): Added code to handle artifical defs.
2365 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2367 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2368 intrinsic.
2369 (_mm_cvtsi128_si64): Likewise.
2370 (_mm_cvtsd_si64): Likewise.
2371 (_mm_cvttsd_si64): Likewise.
2372 (_mm_cvtsi64_sd): Likewise.
2373 (_mm_cvtsi64_si128): Likewise.
2374 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2375 (_mm_cvtsi64_m64): Likewise.
2376 (_m_to_int64): Likewise.
2377 (_mm_cvtm64_si64): Likewise.
2378 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2379 (_mm_cvttss_si64): Likewise.
2380 (_mm_cvtsi64_ss): Likewise.
2381 (_mm_cvtss_f32): Likewise.
2383 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2385 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2386 for pragma redefine_extname.
2388 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2390 PR target/25864
2391 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2392 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2393 -mno-minimal-toc to previous content.
2394 (bispecs): Remove goal.
2395 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2396 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2397 compatibility aliases on powerpc-*-*gnu*.
2398 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2399 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2400 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2401 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2402 (ldblspecs): New goal.
2403 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2404 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2405 _df_to_tf.
2406 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2407 L_sf_to_tf or L_df_to_tf is defined.
2409 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2410 Alan Modra <amodra@bigpond.net.au>
2412 PR target/25864
2413 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2414 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2415 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2416 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2417 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2418 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2419 (rs6000_override_options): Initialize rs6000_ieeequad.
2420 Initialize TFmode format to ibm_extended_format if not
2421 TARGET_IEEEQUAD.
2422 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2423 ieeelongdouble.
2424 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2425 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2426 (function_arg_advance): IBM long double passed in two FPRs, not
2427 split.
2428 (function_arg): IBM long double passed in FPRs.
2429 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2430 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2431 Only multireg GPR aligned.
2432 (rs6000_init_libfuncs): Enable IBM long double functions if not
2433 IEEEQUAD.
2434 (rs6000_generate_compare): Use IBM long double compare if not
2435 TARGET_IEEEQUAD.
2436 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2437 (TARGET_IEEEQUAD): Define.
2438 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2439 not TARGET_IEEEQUAD.
2440 * config/rs6000/rs6000.md: Enable TFmode patterns if
2441 !TARGET_IEEEQUAD.
2442 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2443 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2444 and -mlong-double-128 are incompatible.
2445 * doc/invoke.texi (-mabi): Collect options together. Add
2446 ibmlongdouble and ieeelongdouble.
2448 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2450 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2451 opaque type.
2452 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2453 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2454 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2455 * rtl.h (rtunion_def): Remove rt_ptr.
2456 (X0PTR): Delete.
2457 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2458 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2459 * config/i386/winnt.c (i386_pe_mark_dllexport)
2460 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2462 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2464 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2466 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2468 PR other/24829
2469 PR target/24831
2470 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2471 pthread_key_delete. From John David Anglin. gthrw-ify
2472 pthread_getunique_np only if it it's not a macro. Delete
2473 UNUSED macro.
2474 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2475 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2476 __gthread_objc_condition_signal, __gthread_key_delete): Add
2477 "__attribute__ ((__unused__))" to unused arguments.
2478 (__gthread_recursive_mutex_init_function): Add missing return.
2479 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2480 gthr-posix95.h: Use macro-based approach for name redirection
2481 on targets missing weakref.
2483 2006-01-26 Zack Weinberg <zackw@panix.com>
2485 * genconditions.c (write_header): In generated code, #ifdef out
2486 all includes and fake declarations, except includes of bconfig.h
2487 and system.h, unless GCC_VERSION >= 3001. Do not include
2488 gensupport.h in any case.
2489 (write_conditions): Generate a definition of struct c_test. Add
2490 a comment to the generated #endif.
2491 (write_one_condition): Escape backslashes in string too.
2492 (write_writer): Generated code must escape backslashes and quote
2493 marks (but not newlines) in the strings it writes.
2494 * Makefile.in (build/gencondmd.o): Update dependencies.
2496 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2498 PR target/25961
2499 * Makefile.in (insn-automata.o): Add header file dependencies.
2500 * genautomata.c: Add includes.
2502 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2504 PR target/25961
2505 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2507 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2509 * configure.ac: Expect target tools paths to be passed from the toplevel
2510 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2511 AS_SET_VAR_IF.
2512 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2514 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2516 PR c/25892
2517 * c.opt (Wpointer-sign): Init to -1.
2518 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2519 OPT_pedantic, to 0 otherwise.
2520 * doc/invoke.texi: Update.
2522 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2524 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2525 constants provided by 80387 instructions in the destination mode.
2527 2006-01-26 Richard Guenther <rguenther@suse.de>
2528 Andrew Pinski <pinskia@physics.uc.edu>
2530 PR tree-opt/21470
2531 partial PR tree-opt/17064
2532 * tree-ssa-structalias.c (intra_create_variable_infos):
2533 Create heap variables for incoming parameters if
2534 flag_argument_noalias > 1.
2535 (find_what_p_points_to): Look through default defs of
2536 parameter decls.
2538 2006-01-26 Jeff Law <law@redhat.com>
2540 PR ada/25900
2541 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2542 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2543 within the VR_RANGE, use the VR_RANGE as the result, not the
2544 VR_ANTI_RANGE.
2545 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2546 bounds for the type.
2548 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2550 * tree-ssa-alias.c (maybe_create_global_var): Change
2551 subvar walking to an assertion that we don't have subvar'd variables.
2553 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2555 PR C/25861
2556 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2557 Use a new variable, inner. PARM_DECLs are always non-weak.
2559 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2561 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2562 --disable-checking.
2564 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2566 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2568 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2570 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2571 (smax_insn, smin_insn, smax_0, smin_0): New.
2573 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2575 PR target/25947
2576 * config/cris/cris.c (cris_order_for_addsi3): New function.
2577 * config/cris/cris-protos.h: Prototype it.
2578 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2579 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2580 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2581 (split for "op.S1 [rx=rx+i],ry (swapped)")
2582 (split for "op(s|u).S1 [rx=rx+i],ry")
2583 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2584 Apply cris_order_for_addsi3 when generating addsi3 insns.
2586 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2588 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2589 (TREE_BLOCK): Add call to EXPR_CHECK.
2591 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2593 PR 25886
2594 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2595 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2596 (dump_omp_clauses): ... here.
2597 (dump_generic_node): Handle OMP_CLAUSE.
2598 * tree.c (omp_clause_num_ops): New.
2599 (omp_clause_code_name): New.
2600 (tree_code_size): Handle OMP_CLAUSE.
2601 (tree_size): Likewise.
2602 (make_node): Document handling of OMP_CLAUSE.
2603 (tree_node_structure): Handle OMP_CLAUSE.
2604 (omp_clause_check_failed): New.
2605 (omp_clause_range_check_failed): New.
2606 (omp_clause_operand_check_failed): New.
2607 (build_omp_clause): New.
2608 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2609 * tree.h (enum omp_clause_code): Declare.
2610 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2611 (OMP_CLAUSE_RANGE_CHECK): Define.
2612 (OMP_CLAUSE_ELT_CHECK): Define.
2613 (omp_clause_check_failed): Declare.
2614 (omp_clause_operand_check_failed): Declare.
2615 (omp_clause_range_check_failed): Declare.
2616 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2617 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2618 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2619 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2620 (OMP_CLAUSE_IF_EXPR): Likewise.
2621 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2622 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2623 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2624 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2625 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2626 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2627 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2628 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2629 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2630 (OMP_CLAUSE_CODE): Define.
2631 (OMP_CLAUSE_SET_CODE): Define.
2632 (OMP_CLAUSE_CODE): Define.
2633 (OMP_CLAUSE_OPERAND): Define.
2634 (struct tree_omp_clause): Declare.
2635 (union tree_node): Add field 'omp_clause'.
2636 * treestruct.def (TS_OMP_CLAUSE): Define.
2637 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2638 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2639 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2640 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2641 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2642 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2643 (OMP_CLAUSE): Define.
2644 * print-tree.c (print_node): Handle OMP_CLAUSE.
2645 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2646 * c-typeck.c: Likewise.
2647 * gimplify.c: Likewise.
2648 * c-omp.c: Likewise.
2649 * tree-nested.c: Likewise.
2650 * tree-inline.c: Likewise.
2651 * c-parser.c: Likewise.
2652 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2653 clauses.
2655 2006-01-25 Roger Sayle <roger@eyesopen.com>
2657 PR rtl-optimization/25703
2658 * combine.c (try_combine): Handle zero_extract and strict_low_part
2659 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2661 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2663 * global.c: Fix comment typos.
2665 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2667 PR target/25758
2668 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2669 Use output_addr_const instead of assemble_name.
2671 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2673 * Makefile.in (sched-vis.o): Update dependencies.
2674 * haifa-sched.c (sched_finish): Clear current_sched_info.
2675 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2676 (dump_flow_info): Call it.
2677 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2678 a slim RTL dump.
2679 * basic-block.h (dump_bb_info): Declare.
2680 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2681 option, and apply options only for dump files whose TDF_RTL,
2682 TDF_TREE, or TDF_IPA bits match.
2683 * rtl.h: Declare new functions exported from sched-vis.c.
2684 * sched-vis.c: Enable also if scheduling is not used.
2685 (print_value): Print the mode of registers if not inside scheduling.
2686 (print_insn): Make it work outside the scheduler. Beautify the output
2687 a bit.
2688 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2690 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2692 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2693 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2694 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2695 depending on the value of CONSTANT_POOL_ADDRESS_P.
2696 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2697 SYMBOL_REF_DECL.
2698 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2699 rather than SYMBOL_REF_DECL.
2700 (rtx_constant_pool): Remove const_rtx_sym_htab.
2701 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2702 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2703 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2704 Remove handling of const_rtx_sym_htab.
2705 (find_pool_constant): Delete.
2706 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2707 rather than find_pool_constant.
2708 (get_pool_constant_for_function): Delete.
2709 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2710 find_pool_constant.
2711 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2712 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2713 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2714 (SYMBOL_REF_CONSTANT): New macro.
2715 (get_pool_constant_for_function): Delete.
2716 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2717 rather than SYMBOL_REF_DECL.
2718 (i386_pe_mark_dllimport): Likewise.
2719 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2720 rather than SYMBOL_REF_DECL.
2721 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2722 (machopic_indirect_call_target): Likewise.
2724 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2726 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2728 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2730 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2732 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2734 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2736 2006-01-24 David Daney <ddaney@avtrex.com>
2738 PR java/25816
2739 * configure.ac (enable_tls): New enable option.
2740 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2741 * configure: Regenerate.
2742 * doc/install.texi (--enable-tls): Document new option.
2743 (--disable-tls): Ditto.
2745 2006-01-24 Richard Henderson <rth@redehat.com>
2747 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2748 * alias.c (true_dependence): Respect it.
2749 (canon_true_dependence, write_dependence_p): Likewise.
2750 * builtins.c (get_builtin_sync_mem): Set it.
2752 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2754 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2755 efficient way.
2757 2006-01-24 DJ Delorie <dj@redhat.com>
2759 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2760 for storing constants in single-bit bitfields.
2762 2006-01-25 Ben Elliston <bje@au.ibm.com>
2764 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2766 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2768 PR tree-opt/25860
2769 * tree-ssa-pre.c (phi_translate): Return NULL
2770 for AGGREGATE_TYPE's.
2772 2006-01-24 Zack Weinberg <zackw@panix.com>
2774 * genautomata.c (process_state_for_insn_equiv_partition):
2775 Use xcalloc for insn_arcs_array.
2776 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2777 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2779 2006-01-24 Richard Henderson <rth@redhat.com>
2781 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2782 update all callers.
2784 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2786 PR rtl-optimization/25890
2787 PR rtl-optimization/25905
2788 * combine.c (expand_compound_operation, expand_field_assignment):
2789 Fail if the bitfield's final position is out of bounds.
2791 2006-01-24 Ian Lance Taylor <ian@airs.com>
2793 PR middle-end/25930
2794 * cgraphunit.c (cgraph_output_in_order): Don't clear
2795 cgraph_asm_nodes until after asm strings have been output.
2797 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2799 * fix-header.c (read_scan_file): Add new parameter imultilib when
2800 calling register_include_chains.
2802 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2804 * omp-low.c: Update documentation.
2806 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2807 Daniel Berlin <dberlin@dberlin.org>
2809 PR tree-opt/25315
2810 PR tree-opt/25857
2811 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2812 return from the function.
2814 2006-01-22 Zack Weinberg <zackw@panix.com>
2816 * rtl.def (match_code): Add second argument.
2817 * genpreds.c (write_extract_subexp): New function.
2818 (write_match_code): Add path argument. Use write_extract_subexp.
2819 (write_predicate_expr): Pass path to write_match_code.
2820 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2821 not perform a mode test.
2822 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2823 a subexpression does not constrain the top-level code set.
2824 * read-rtl.c (read_rtx_variadic): New function.
2825 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2826 * doc/md.texi: Document new notation.
2827 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2828 (cmpsi_operand): ... here, using new notation.
2830 2006-01-22 Zack Weinberg <zackw@panix.com>
2832 * varray.c: Remove GENERATOR_FILE #ifdefs.
2834 2006-01-22 Zack Weinberg <zackw@panix.com>
2836 * genautomata.c (output_reserved_units_table): Emit nothing if
2837 description->query_units_num is zero. Remove extra blank line.
2838 (output_cpu_unit_reservation_p): Short circuit
2839 if description->query_units_num is zero.
2841 2006-01-22 Zack Weinberg <zackw@panix.com>
2843 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2844 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2845 nor any of the random handful of variables that used to be necessary
2846 when this program was linked with rtlanal.o. Prune set of forward
2847 function declarations.
2848 (struct attr_desc): Remove static_p field.
2849 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2850 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2851 (attr_string): Do not read the character one past the length of
2852 the string.
2853 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2854 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2855 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2856 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2857 (make_automaton_attrs): New.
2858 (main): Do not call into genautomata. Call local gen_bypass
2859 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2860 Remove special case for insn_alts.
2861 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2862 varray.h (leftover from previous change). Prune set of forward
2863 function declarations. Remove state_alts fields from all
2864 structures. Remove state_alts_table from struct automaton.
2865 Make everything except main static. Do not maintain num_dfa_decls.
2866 Do not maintain state_alts fields of various structures.
2867 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2868 (add_arc): Remove state_alts argument. All callers updated.
2869 (output_reserved_units_table): Emit #ifdef here...
2870 (output_tables): ...not here. Don't generate state_alts tables.
2871 (expand_automata): Don't generate attributes.
2872 (write_automata): Don't generate state_alts functions.
2873 (main): New function.
2874 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2875 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2876 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2877 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2878 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2879 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2880 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2881 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2882 Delete.
2883 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2884 * genattrtab.h: Delete file.
2885 * Makefile.in (OBJS-common): Add insn-automata.o.
2886 (insn-automata.o): New rule.
2887 (simple_generated_c): Add insn-automata.c.
2888 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2889 (genprogmd): Add automata.
2890 (build/genattrtab): Needs no extra objects nor libraries.
2891 (build/genautomata): Needs build/vec.o and -lm.
2893 2006-01-22 Zack Weinberg <zackw@panix.com>
2895 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2896 (output_dfa_max_issue_rate, locked_states_num): Delete.
2897 (struct automaton): Add locked_states field.
2898 (output_dead_lock_vect): Save number of locked states in
2899 automaton->locked_states. If it is zero, don't print anything.
2900 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2901 (output_internal_dead_lock_func): Only test the dead_lock_vect
2902 for automata that have locked states.
2903 (output_statistics): Always print the number of locked states for
2904 each automaton. Calculate total number of locked states here.
2905 (write_automata): Don't call output_dfa_max_issue_rate.
2906 * genattrtab.c: Define length_unit_log as a const variable.
2907 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2908 max_insn_queue_index const.
2909 * final.c (length_unit_log): Declare const.
2910 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2912 2006-01-22 Zack Weinberg <zackw@panix.com>
2914 * genautomata.c: Include vec.h, not varray.h.
2915 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2916 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2917 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2918 VEC_* macros operating on appropriately typed vectors, or to
2919 malloced arrays when the size is known in advance. Const-ify
2920 many char* variables and function arguments. No functional changes.
2921 * Makefile.in (build/varray.o): Delete rule.
2922 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2923 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2925 2006-01-22 Zack Weinberg <zackw@panix.com>
2927 * gensupport.c: Define get_insn_name and record_insn_name here.
2928 (read_md_rtx): Call record_insn_name as appropriate.
2929 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2930 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2931 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2932 record_insn_name.
2933 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2934 (BUILD_VARRAY): Delete.
2935 (genprognormal): Rename genprogmd. Fold in all programs from
2936 genprognoprint; also attrtab.
2937 (build/genattrtab): Just mention genautomata.o and varray.o.
2938 Reorganize a bit, add comments to make the categories clearer.
2940 2006-01-22 Zack Weinberg <zackw@panix.com>
2942 * genconditions.c (condition_table, add_condition): Delete.
2943 (write_conditions): Don't emit n_insn_conditions nor
2944 insn_elision_unavailable. Issue the gcc version #ifdef here,
2945 inside the table, with no #else clause ...
2946 (write_header): ...not here.
2947 (write_writer): New function.
2948 (main): Don't initialize condition_table. Use add_c_test.
2949 Call write_writer.
2950 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2951 files on the command line.
2952 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2953 Return -1 if there is no entry in the table, don't abort.
2954 (add_c_test, traverse_c_tests): New functions.
2955 * gensupport.h (insn_elision_unavailable, insn_conditions)
2956 (n_insn_conditions): Delete declarations.
2957 (add_c_test, traverse_c_tests): Declare.
2958 * read-rtl.c: Include gensupport.h.
2959 (read_conditions): New function.
2960 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2961 (read_rtx_1): If we get EOF when we were looking for an initial
2962 open paren, return 0. Call read_conditions when appropriate.
2963 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2964 dummy-conditions.o. Eliminate references to insn-conditions.o,
2965 or change them to build/gencondmd.o, as appropriate. Remove
2966 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2967 from $(simple_generated_c). For all files remaining in those
2968 two lists, add insn-conditions.md to the generator command line.
2969 Give insn-constants.h/s-constants their own rules. Add rules
2970 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2971 (build/read-rtl.o): Depend on gensupport.h.
2972 (genprognormal): Include preds.
2973 (genprogearly): Rename genprognoprint; only difference is now that
2974 they don't link with $(BUILD_PRINT).
2975 * dummy-conditions.c: Delete.
2977 2006-01-22 Zack Weinberg <zackw@panix.com>
2979 * genextract.c: Don't include insn-config.h. Do include vec.h.
2980 Declare vectors of int, char, and locstr.
2981 (locstr): New typedef.
2982 (struct extraction): Make all array fields into bare pointers.
2983 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2984 (insn_code_number): Delete.
2985 (accum_extract): New struct.
2986 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2987 (gen_insn): Take insn_code_number as an argument. Use an
2988 accum_extract structure instead of loading data directly into
2989 a struct extraction, and having to know how big it might get.
2990 (walk_rtx): Operate entirely on an accum_extract structure.
2991 (print_path): Avoid unnecessary use of printf.
2992 (print_header): New function, split out of main. Distinguish
2993 more carefully between an unrecognizable insn and an insn that
2994 has the code number of a define_expand.
2995 (main): Pass insn_code_number to gen_insn. Call print_header
2996 only after parsing. Avoid unnecessary use of printf.
2997 * Makefile.in (build/vec.o): New rule.
2998 (build/genextract): Depend on build/vec.o.
2999 (build/genextract.o): Don't depend on insn-config.h.
3001 2006-01-22 Zack Weinberg <zackw@panix.com>
3003 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3004 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3005 practical. Eliminate per-generator-program link rules.
3007 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3009 PR middle-end/24437
3010 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3011 with a call expr to ...
3012 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3014 2006-01-23 Richard Guenther <rguenther@suse.de>
3016 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3017 before make_edge with conditional EDGE_TRUE_VALUE.
3019 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3020 Jan Hubicka <jh@suse.cz>
3021 Richard Guenther <rguenther@suse.de>
3023 PR rtl-optimization/25654
3024 * cfgexpand.c (aggregate_contains_union_type): New function.
3025 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3026 for structure variables that contain a union type.
3028 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3030 * gengtype.c (new_structure): Return the structure.
3031 (create_option): Add an extra "next" argument.
3032 (create_field): New function.
3033 (adjust_field_rtx_def): Use create_option and create_field.
3034 Remove a now-unnecessary call to find_structure.
3035 (adjust_field_tree_def): Likewise.
3036 (note_yacc_type): Remove an unnecessary call to find_structure.
3037 * gengtype.h (new_structure): Return the structure.
3038 (create_option): Add an extra argument.
3039 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3040 (option): Adjust calls to create_option.
3042 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3044 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3046 2006-01-22 Paul Brook <paul@codesourcery.com>
3047 Peter Barada <peter@the-baradas.com>
3049 * config/m68k/m68k.md: Add Coldfire FPU support.
3050 Define FP mode macro and associated attributes.
3051 Use it for float mode patterns.
3052 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3053 (LIBCALL_VALUE): Use m68k_libcall_value.
3054 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3055 (m68k_function_value): Ditto.
3056 (emit_move_sequence): Ditto.
3057 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3058 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3059 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3060 (MULTILIB_EXCEPTIONS): Ditto.
3061 * config/m68k/m68k.opt: Add mcfv4e.
3062 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3063 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3064 (m68k_output_function_prologue): Save ColdFire FPU registers.
3065 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3066 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3067 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3068 ColdFire FPU registers.
3069 (m68k_libcall_value, m68k_function_value): New functions.
3070 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3071 (LIBCALL_VALUE): Use m68k_libcall_value.
3072 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3073 (MASK_COLDFIRE): Add MASK_CFV4E.
3074 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3075 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3076 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3077 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3078 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3079 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3080 * doc/invoke.tex: Document -mcfv4e on m68k.
3082 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3084 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3085 URL.
3087 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3089 PR c++/16190
3090 * c-opts.c (c_common_handle_option): Don't include
3091 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3092 * doc/invoke.texi (C++ Dialect Options): Document that
3093 -Wnon-virtual-dtor is no longer included in -Wall.
3095 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3097 * gcov.c (print_version), gcov-dump.c (print_version),
3098 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3099 dates.
3101 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3103 * df-scan.c (problem_SCAN): Added NULL reset function.
3104 (df_scan_reset_blocks): Added code to call reset block function
3105 (df_bb_refs_delete) Fixed comment.
3106 (df_insn_refs_delete): Made tolerant of deleting non existent info
3107 for dataflow problems that need to be reset.
3108 * df-core.c (df_set_blocks): Ditto.
3109 * df.h (struct df_problem): Added reset_fun.
3110 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3111 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3112 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3113 functions to clear out all references to def-use or use-def chains.
3115 2006-01-21 Ben Elliston <bje@au.ibm.com>
3117 * varasm.c (assemble_real): Initialise data array.
3119 2006-01-20 Paul Brook <paul@codesourcery.com>
3121 Merge from csl-arm-branch.
3122 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3123 * config/arm/arm.md (movdi): Force operands[1] to a register
3124 if we have a non-register source.
3125 (*arm_movdi, *movdf_soft_insn): Require that one of the
3126 operands be a register.
3127 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3128 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3130 2006-01-20 DJ Delorie <dj@redhat.com>
3132 * varasm.c (initialize_constant_valid_p): Allow pointers
3133 initialized from integer constants of lesser precision.
3134 (output_constant): Allow non-int-sized pointer modes to be
3135 initialized from integer constants.
3137 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3139 PR libstdc++/25524
3140 * cppdefault.h (struct default_include): Add multilib flag.
3141 * cppdefault.c (cpp_include_defaults): Set it.
3142 * c.opt (-imultilib): New option.
3143 * c-opts.c (imultilib): New.
3144 (c_common_handle_option): Handle -imultilib.
3145 (c_common_post_options): Likewise.
3146 * c-incpath.c (add_standard_paths, register_include_chains):
3147 Likewise.
3148 * c-incpath.h (register_include_chains): Add extra parameter.
3149 * gcc.c (do_spec_1): Generate -imultilib option.
3150 (The Specs Language): Update %I description.
3151 (process_command): Update copyright notice.
3152 * doc/cppopts.texi (-imultilib): Document.
3153 * doc/invoke.texi (-imultilib): Include in option summary.
3154 (%I): Update specs documentation.
3156 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3158 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3160 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3162 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3163 label numbers.
3165 2006-01-20 Richard Guenther <rguenther@suse.de>
3166 Steven Bosscher <stevenb.gcc@gmail.com>
3168 PR rtl-optimization/24626
3169 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3170 EDGE_TRUE_VALUE if in RTL mode.
3172 Revert
3173 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3174 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3176 2006-01-20 Dirk Mueller <dmueller@suse.com>
3178 PR c++/5520
3179 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3180 instead of a special NOP marker.
3181 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3182 NOP marker handling.
3183 * c-common.h (empty_body_warning): Add forward declaration.
3184 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3185 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3187 2006-01-20 Paul Brook <paul@codesourcery.com>
3189 * Makefile.in (lang_checks): Keep going if mkdir fails.
3191 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3193 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3194 be able to clean out basic block when not necessary.
3195 (df_scan_free): Fixed to properly delete information if df is
3196 unused before calling df_finish.
3197 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3198 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3199 or comment typos.
3200 (df_bb_refs_delete): New function.
3201 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3202 * df-core.c (df_set_blocks): Added code to properly clean out
3203 unused blocks if they are not part of the blocks to consider.
3204 Added additional null check.
3205 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3206 be able to clean out basic block when not necessary
3207 * df.h (df_free_bb_function): Ditto.
3208 (df_bb_refs_delete): New function.
3209 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3210 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3211 basic block parameter to be able to clean out basic block when not
3212 necessary.
3213 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3214 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3215 Fixed to properly delete information if df is unused before
3216 calling df_finish.
3218 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3220 PR rtl-optimization/25799
3221 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3222 Corrected confluence operator to remove bits from op2 before oring
3223 with op1 rather than removing bits from op1.
3224 (df_ru_transfer_function): Corrected test on wrong bitmap which
3225 caused infinite loop. Both of these problems were introduced in
3226 the dataflow rewrite.
3228 2006-01-19 DJ Delorie <dj@redhat.com>
3230 * reload1.c (find_reload_regs): Note the details of reload
3231 failures in the dump file.
3232 (spill_failure): Likewise.
3234 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3236 * loop-iv.c: Include df.h and hashtab.h.
3237 (enum iv_grd_result): New enum.
3238 (DF_REF_IV, DF_REF_IV_SET): New macros.
3239 (struct biv_entry): New.
3240 (df, bivs): New global variables.
3241 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3242 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3243 Removed.
3244 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3245 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3246 analyzed_for_bivness_p, record_biv): New functions.
3247 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3248 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3249 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3250 UD chains.
3251 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3252 analysed.
3253 (iv_number_of_iterations): Use new interface to iv analysis.
3254 * loop-unroll.c: Do not include varray.h.
3255 (analyze_iv_to_split_insn): Use new interface to iv
3256 analysis.
3257 * loop-unswitch.c (may_unswitch_on): Ditto.
3258 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3259 allocated.
3260 (df_bb_modify): Realloc tables to the new index.
3261 (df_find_use): New function.
3262 * df.h (df_find_use): Declare.
3263 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3264 outmode.
3265 * cfgloop.h (struct rtx_iv): Remove analysed field.
3266 (iv_get_reaching_def): Removed.
3267 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3268 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3269 (loop-iv.o): Add df.h and hashtab.h dependency.
3270 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3272 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3274 PR target/25668
3275 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3276 Double TFmode.
3277 (__floatundisf, __floatundidf): Likewise.
3278 * libgcc2.h (IS_IBM_EXTENDED): Define.
3280 2006-01-19 DJ Delorie <dj@redhat.com>
3282 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3284 2006-01-19 Paul Brook <paul@codesourcery.com>
3286 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3287 as nothrow when unwinding tables are disabled.
3289 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3291 PR testsuite/25171
3292 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3293 of bit-field" when in system header.
3295 2006-01-19 DJ Delorie <dj@redhat.com>
3297 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3298 the 16 bit shift limit of the m16c.
3300 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3302 PR target/22099
3303 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3304 * config/i386/i386.c (output_set_got): Output the label if we have one
3305 for the TARGET_DEEP_BRANCH_PREDICTION case.
3307 2006-01-19 Jan Hubicka <jh@suse.cz>
3308 H.J. Lu <hongjiu.lu@intel.com>
3309 Evandro Menezes <evandro.menezes@amd.com>
3311 * invoke.texi (generic): Document
3312 (i686) Update.
3313 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3314 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3315 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3316 (x86_use_incdec, x86_pad_returns): New variables
3317 (TARGET_CPU_DEFAULT_generic): New constant
3318 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3319 (enum processor_type): Add generic32 and generic64.
3320 * i386.md (cpu attribute): Add generic32/generic64
3321 (movhi splitter): Behave sanely when both partial_reg_dependency and
3322 partial_reg_stall are set.
3323 (K8 splitters): Enable for generic as well.
3324 * predicates.md (incdec_operand): Use TARGET_INCDEC
3325 (aligned_operand): Avoid memory mismatch stalls.
3326 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3327 * ppro.md: Enable for generic32
3328 * i386.c (generic64_cost, generic32_cost): New.
3329 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3330 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3331 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3332 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3333 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3334 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3335 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3336 x86_accumulate_outgoing_args, x86_prologue_using_move,
3337 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3338 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3339 Enable for generic.
3340 (x86_use_incdec, x86_pad_returns): New.
3341 (override_options): Add generic32 and generic64, translate "generic"
3342 to generic32/generic64 and "i686" to "generic32", refuse
3343 "generic32"/"generic64" as arch target.
3344 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3345 (ix86_reorg): Honor PAD_RETURNS.
3347 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3349 * tree-pretty-print.c (dump_generic_node): Handle
3350 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3351 * cgraph.c (cgraph_expand_queue): Rename from
3352 cgraph_analyze_queue. Update all users.
3353 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3354 cgraph_expand_queue.
3355 (cgraph_expand_all_functions): Likewise.
3356 (cgraph_finalize_pending_functions): Remove. Update callers.
3358 * tree.h (OMP_DIRECTIVE_P): Define.
3359 (OMP_PARALLEL_FN): Define.
3360 (OMP_PARALLEL_DATA_ARG): Define.
3361 (OMP_SECTIONS_SECTIONS): Define.
3362 * tree-pass.h (pass_expand_omp): Declare.
3363 * omp-low.c (struct omp_region): Declare.
3364 (struct omp_context): Remove fields 'parallel_type',
3365 'parallel_start_ix' and 'parallel_start_additional_args'.
3366 Update all users.
3367 (struct omp_for_data): Rename from struct expand_omp_for_data.
3368 (omp_regions): New static variable.
3369 (root_omp_region): New static variable.
3370 (find_omp_clause): Make static.
3371 (is_in_combined_parallel_ctx): Remove.
3372 (is_combined_parallel): New.
3373 (extract_omp_for_data): Move earlier in the file.
3374 (workshare_safe_to_combine_p): New.
3375 (get_ws_args_for): New.
3376 (determine_parallel_type): Move earlier in the file.
3377 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3378 child function.
3379 (omp_copy_decl): Likewise.
3380 (create_omp_child_function): Likewise.
3381 (lookup_omp_region): New.
3382 (dump_omp_region): New.
3383 (debug_omp_region): New.
3384 (debug_all_omp_regions): New.
3385 (new_omp_region): New.
3386 (scan_omp_parallel): If parallel_nesting_level > 1, the
3387 directive is nested within another parallel directive.
3388 Set OMP_PARALLEL_FN.
3389 (scan_omp_for): Do not try to handle combined parallel+for
3390 cases.
3391 Remove FIXME comment.
3392 (scan_omp_nested): Remove.
3393 (scan_omp_1): Do not call scan_omp_nested when
3394 parallel_nesting_level is > 1.
3395 Do not change the DECL_CONTEXT of local variables found.
3396 (lookup_decl_in_outer_ctx): New.
3397 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3398 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3399 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3400 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3401 If CTX is nested, lookup VAR in the outer context when
3402 building copy assignment.
3403 (lower_send_clauses): Rename from expand_send_clauses.
3404 If CTX is nested, lookup VAR in the outer context when
3405 building copy assignments.
3406 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3407 If CTX is nested, lookup VAR in the outer context when
3408 building copy assignments.
3409 (expand_parallel_call): Rename from build_parallel_call.
3410 Handle combined parallel+workshare cases.
3411 Re-implement to emit code into the CFG.
3412 (list2chain): New.
3413 (expand_omp_parallel): Re-implement to emit code into the CFG.
3414 Call move_sese_region_to_fn to outline the sub-graph
3415 containing the parallel region.
3416 (expand_omp_for_1): Remove.
3417 (expand_omp_for_generic): Re-implement to emit code into the
3418 CFG.
3419 (expand_omp_for_static_nochunk): Likewise.
3420 (expand_omp_for_static_chunk): Likewise.
3421 (expand_omp_for): Likewise.
3422 (expand_omp_sections): Likewise.
3423 (remove_exit_barriers): New.
3424 (expand_omp_synch): New.
3425 (expand_omp): New.
3426 (build_omp_regions_1): New.
3427 (build_omp_regions): New.
3428 (execute_expand_omp): New.
3429 (gate_expand_omp): New.
3430 (pass_expand_omp): Define.
3431 (lower_omp_sections): Rename from expand_omp_sections.
3432 Set OMP_SECTIONS_SECTIONS.
3433 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3434 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3435 (lower_omp_single): Rename from expand_omp_simple.
3436 (lower_omp_master): Rename from expand_omp_master.
3437 (lower_omp_ordered): Rename from expand_omp_ordered.
3438 (lower_omp_critical): Rename from expand_omp_critical.
3439 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3440 (lower_omp_for): Re-implement.
3441 (lower_omp_parallel): Re-implement.
3442 (lower_regimplify): Rename from expand_regimplify.
3443 (lower_omp_1): Rename from expand_omp_1.
3444 If there are syntax errors in the program, replace every
3445 OpenMP directive with NOP.
3446 Call lower_omp_* instead of expand_omp_*.
3447 (lower_omp): Rename from expand_omp.
3449 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3450 * tree-gimple.h (enum omp_parallel_type): Remove.
3451 (gimple_boolify): Declare extern.
3452 (find_omp_clause, determine_parallel_type): Remove.
3454 * gimple-low.c (lower_omp_directive): New.
3455 (lower_stmt): Call it.
3456 (record_vars_into): Move from ...
3457 (record_vars): ... here.
3458 Call record_vars_into with current_function_decl.
3460 * gimplify.c (struct gimplify_ctx): Remove fields
3461 combined_pre_p and combined_ctxp. Update users.
3462 (get_formal_tmp_var): Add documentation.
3463 (gimple_boolify): Make extern.
3464 (gimplify_expr_in_ctx): Remove. Update callers.
3465 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3466 will always be a BIND_EXPR.
3467 (gimplify_expr): Handle OMP_RETURN_EXPR.
3468 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3469 (OMP_PARALLEL): Add 3 operands.
3470 (OMP_SECTIONS): Add 1 operand.
3471 (OMP_RETURN_EXPR): Define.
3473 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3474 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3475 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3476 creating a circular free list.
3477 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3479 * tree-flow.h (move_sese_region_to_fn): Declare.
3480 (record_vars_into): Declare.
3481 * tree-cfg.c (make_omp_sections_edges): New.
3482 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3483 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3484 OMP_SECTIONS and OMP_SECTION.
3485 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3486 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3487 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3488 (gather_blocks_in_sese_region): New.
3489 (struct move_stmt_d): Declare.
3490 (move_stmt_r): New.
3491 (move_block_to_fn): New.
3492 (move_sese_region_to_fn): New.
3494 * passes.c (init_optimization_passes): Schedule
3495 pass_expand_omp after pass_init_datastructures.
3497 * tree-ssa-operands.c (get_expr_operands): Handle
3498 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3499 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3501 2006-01-19 Jeff Law <law@redhat.com>
3503 * tree-vrp.c (extract_range_from_assert): Refine the result range
3504 if the variable referenced by the ASSERT_EXPR has a range and
3505 either the tentative result range or the previous range is a
3506 VR_ANTI_RANGE.
3508 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3510 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3512 2006-01-19 Jan Hubicka <jh@suse.cz>
3514 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3516 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3518 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3519 (expand_compound_operation, expand_field_assignment): Fail if the
3520 bit lengths of an extract operation are out of range.
3521 (make_extraction): Compute wanted_inner_mode based on the position
3522 and length of the extraction. Make it extraction_mode for non-constant
3523 positions, and do not modify offset in that case. When generating a
3524 new MEM, use a mode that can hold the extraction while keeping correct
3525 alignment. Remove code that supported MEMs wrapped by USEs.
3526 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3528 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3530 * config/s390/s390.md ("Y", "y"): New mode attribute.
3531 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3532 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3533 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3534 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3535 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3536 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3537 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3538 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3539 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3540 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3541 "addsi3", "subsi3"): Insn patterns removed.
3542 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3543 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3544 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3545 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3546 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3547 "*sub<mode>3_cconly2"): New insn patterns.
3548 ("addsi3", "subsi3"): New expanders.
3550 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3552 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3553 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3554 existing STMT_VINFO_VECTYPE if available.
3555 (vect_mark_relevant): Add special handling for stmts that are
3556 marked as STMT_VINFO_IN_PATTERN_P.
3557 (vect_analyze_loop): Call vect_pattern_recog.
3558 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3559 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3560 stmt_info.
3561 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3562 (vect_recog_func_ptr): New function-pointer type.
3563 * tree-vect-patterns.c: New file.
3564 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3565 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3566 (vect_pattern_recog_1): New functions.
3567 (vect_pattern_recog_funcs): New array of function pointers.
3569 * tree-vectorizer.h (ternary_op): New enum value.
3570 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3571 declaration. Revised documentation. Removed redundant dump prints.
3572 Removed redundant argument. Added support for reduction patterns.
3573 (vectorizable_reduction): Added support for reduction patterns.
3574 (vect_transform_stmt): Added support for patterns.
3576 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3577 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3578 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3579 (expand_widen_pattern_expr): New function.
3580 (init_optabs): Initialize new optabs udot_prod_optab,
3581 sdot_prod_optab.
3582 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3583 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3584 (expand_widen_pattern_expr): New function declaration.
3585 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3586 tree-codes.
3587 * tree-inline.c (estimate_num_insns_1): Added cases for new
3588 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3589 * tree-pretty-print.c (dump_generic_node): Likewise.
3590 (op_prio): Likewise.
3591 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3592 * tree-ssa-operands.c (get_expr_operands): Added case for
3593 DOT_PROD_EXPR.
3594 * tree-vect-patterns.c (widened_name_p): New function.
3595 (vect_recog_dot_prod_pattern): Added function implementation.
3596 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3597 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3598 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3599 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3601 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3602 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3603 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3604 (init_optabs): Initialize new optabs widen_ssum_optab,
3605 widen_usum_optab.
3606 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3607 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3608 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3609 use instead of type of def.
3610 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3611 function implementation.
3612 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3613 widen_ssumv8hi): New.
3615 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3616 patterns.
3618 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3620 PR c/25805
3621 * c-decl.c (add_flexible_array_elts_to_size): New function.
3622 (finish_decl): Use it.
3624 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3626 * diagnostic.h: Include options.h.
3627 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3628 dependancies for diagnostic.h.
3629 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3631 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3633 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3634 (ssa_ro_call_cache_valid): Ditto.
3635 * tree-ssa-alias.c (sort_tags_by_id): New function.
3636 (init_transitive_clobber_worklist): Ditto.
3637 (add_to_worklist): Ditto.
3638 (mark_aliases_call_clobbered): Ditto.
3639 (compute_tag_properties): Ditto.
3640 (set_initial_properties): Ditto.
3641 (compute_call_clobbered): Ditto.
3642 (compute_may_aliases): Call compute_call_clobbered and grouping.
3643 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3644 (compute_flow_insensitive_aliasing): Grouping now happens in our
3645 caller.
3646 (setup_pointers_and_addressables): Remove clobbering related code.
3647 (add_may_alias): Ditto.
3648 (replace_may_alias): Ditto.
3649 (get_nmt_for): Ditto.
3650 (create_global_var):
3651 (is_escape_site): Return an escape_type enumeration.
3652 * tree-flow-inline.h (is_call_clobbered): Global var does not
3653 imply call clobbered.
3654 (mark_call_clobbered): Take a reason for marking this. Remove
3655 marking of globalness, and cache invalidation.
3656 (clear_call_clobbered): Remove cache invalidation code.
3657 * tree-dfa.c (dump_variable): If details is on, dump the reason
3658 for escaping.
3659 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3660 variable.
3661 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3662 (struct var_ann_d): Ditto.
3663 (enum escape_type): New.
3664 (mark_call_clobbered): Adjust prototype.
3665 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3666 are never call clobbered.
3667 Record reasons for escaping.
3668 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3669 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3670 (ssa_ro_call_cache_valid): Ditto.
3671 (clobbered_v_may_defs): Ditto.
3672 (clobbered_vuses): Ditto.
3673 (ro_call_vuses): Ditto.
3674 (clobber_stats): New.
3675 (init_ssa_operands): Zero out clobber stats.
3676 (fini_ssa_operands): Print out clobber stats.
3677 (get_call_expr_operands): Pass callee fndecl to
3678 add_call_read_ops).
3679 (add_call_clobber_ops): Remove use of cache.
3680 Add use of PURE_CONST information.
3681 (add_call_read_ops): Remove use of cache.
3682 Add use of static not_read information.
3684 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3686 Introduce TLS descriptors for i386 and x86_64.
3687 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3688 (TARGET_ANY_GNU_TLS): New macro.
3689 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3690 (struct machine_function): Add tls_descriptor_call_expanded_p.
3691 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3692 (ix86_current_function_calls_tls_descriptor): Likewise.
3693 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3694 (override_options): Introduce gnu2 tls dialect.
3695 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3696 not leaves.
3697 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3698 Likewise.
3699 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3700 (ix86_init_machine_status): Initialize new field.
3701 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3702 (ix86_tls_module_base): New.
3703 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3704 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3705 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3706 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3707 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3708 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3709 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3710 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3711 * config/i386/predicates.md (tls_modbase_operand): New.
3712 (tp_or_register_operand): New.
3714 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3716 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3717 (look_for_address_of): Ditto.
3718 (ipa_init): Walk the function decls.
3719 (static_execute): Don't set readonly on FUNCTION_DECL's.
3721 2006-01-18 Roger Sayle <roger@eyesopen.com>
3723 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3724 for shifts where the source and destination registers are different.
3726 2006-01-18 Paul Brook <paul@codesourcery.com>
3728 Merge from csl-arm-branch.
3729 2005-03-14 Julian Brown <julian@codesourcery.com>
3730 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3731 (aeabi_llsl): Likewise.
3732 (ashrdi3): Likewise.
3733 (aeabi_lasr): Likewise.
3734 (lshrdi3): Likewise.
3735 (aeabi_llsr): Likewise.
3736 2005-03-10 Julian Brown <julian@codesourcery.com>
3737 * config.gcc: Disable shared libgcc for SymbianOS.
3738 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3740 2006-01-18 DJ Delorie <dj@redhat.com>
3742 * c-pragma.c (handle_pragma_diagnostic): New.
3743 (init_pragma): Register it.
3744 * doc/extend.texi: Document it.
3746 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3747 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3748 (diagnostic_context): Add classify_diagnostic[].
3749 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3750 as errors if they're overridden to DK_WARNING.
3751 (diagnostic_initialize): Initialize classify_diagnostic[].
3752 (diagnostic_set_kind_override): New.
3753 (diagnostic_report_diagnostic): Check for kind changes.
3754 * opts.c (common_handle_option): Take lang_mask. Update callers.
3755 Handle OPT_Werror_.
3756 * common.opt (Werror=): New.
3757 * doc/invoke.texi: Document -Werror=*
3759 2006-01-18 Jeff Law <law@redhat.com>
3761 * tree-vrp.c (test_for_singularity): Correct test for new
3762 min limit. Use operand_equal_p rather than pointer equality
3763 for testing if new min/max values are equal.
3765 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3766 using range information until after propagation and folding.
3768 2006-01-18 Richard Henderson <rth@redhat.com>
3769 Aldy Hernandez <aldyh@redhat.com>
3770 Jakub Jelinek <jakub@redhat.com>
3771 Diego Novillo <dnovillo@redhat.com>
3773 * omp-low.c: New file.
3774 * c-omp.c: New file.
3776 2006-01-18 Richard Henderson <rth@redhat.com>
3777 Jakub Jelinek <jakub@redhat.com>
3778 Diego Novillo <dnovillo@redhat.com>
3780 * doc/invoke.texi: Document -fopenmp.
3781 * tree-dump.h (debug_function): Declare.
3782 * hooks.c (hook_bool_tree_bool_false): New function.
3783 (hook_tree_tree_null): Remove.
3784 (hook_tree_tree_tree_null): New.
3785 * hooks.h: Update to match.
3786 * tree-pretty-print.c (debug_tree_chain): New.
3787 (print_generic_expr): Handle TDF_CHAIN.
3788 (dump_generic_node): Handle BLOCK.
3789 Do not abort with incomplete SWITCH_EXPRs.
3790 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3791 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3792 print space after directive name.
3793 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3794 Handle OMP_MASTER and OMP_ORDERED.
3795 Handle printing of OMP_BODY just in one place, goto
3796 dump_omp_body in the rest of OMP_* nodes that have
3797 OMP_BODY.
3798 Don't handle clause nodes here. Update omp statements to
3799 use dump_omp_clauses.
3800 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3801 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3802 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3803 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3804 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3805 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3806 Adjust output for GOMP_PARALLEL.
3807 (dump_omp_clauses): New.
3808 (print_declaration): Dump DECL_VALUE_EXPR.
3809 (op_symbol_1): Split out of op_symbol.
3810 (dumping_stmts): Remove. Update all users.
3811 * cgraph.c (cgraph_analyze_queue): New.
3812 (cgraph_add_new_function): New.
3813 * cgraph.h (cgraph_analyze_queue): Declare.
3814 (cgraph_add_new_function): Declare.
3815 (cgraph_lower_function): Remove.
3816 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3817 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3818 and TYPE_P nodes in its default clause.
3819 (empty_body_p): New.
3820 (tree_range_check_failed): New.
3821 (build5_stat): New.
3822 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3823 OMP_CLAUSE_REDUCTION_MERGE,
3824 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3825 OMP_CLAUSE_PRIVATE_DEBUG,
3826 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3827 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3828 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3829 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3830 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3831 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3832 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3833 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3834 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3835 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3836 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3837 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3838 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3839 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3840 (TREE_RANGE_CHECK): New.
3841 (empty_body_p): Declare.
3842 (enum omp_clause_default_kind): New.
3843 (build_string_literal): Declare.
3844 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3845 (build5_stat, build5): Declare.
3846 * tree-pass.h (TDF_CHAIN): Define.
3847 * tree-pass.h (PROP_gimple_lomp): Define.
3848 (pass_lower_omp): Declare.
3849 * diagnostic.h (debug_tree_chain): Declare.
3850 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3851 mode_for_size.
3852 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3853 * builtins.c (build_string_literal): Make extern.
3854 * gcc.c (include_spec_function): New.
3855 (static_spec_functions): Add it.
3856 (main): Move load of libgomp.spec ...
3857 (LINK_COMMAND_SPEC): ... here.
3858 (link_gomp_spec): New.
3859 (static_specs): Include it.
3860 (LINK_COMMAND_SPEC): Add link_gomp.
3861 (GOMP_SELF_SPECS): New.
3862 (driver_self_specs): Include it.
3863 (switch_matches): Don't mark inline.
3864 (main): Load libgomp.spec.
3865 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3866 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3867 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3868 * tree-gimple.h (enum omp_parallel): Declare.
3869 (determine_parallel_type): Declare.
3870 (omp_firstprivatize_variable): Declare.
3871 (omp_reduction_init): Declare.
3872 (diagnose_omp_structured_block_errors): Declare.
3873 (struct walk_stmt_info): Add want_return_expr.
3874 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3875 (find_omp_clause): Declare.
3876 (insert_field_into_struct): Declare.
3877 (struct walk_stmt_info): Move from tree-nested.c
3878 (walk_stmts): Declare.
3879 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3880 to 200505.
3881 * cgraphunit.c (cgraph_lower_function): Make static.
3882 (cgraph_finalize_pending_functions): New.
3883 (cgraph_finalize_function): Call it.
3884 (cgraph_finalize_compilation_unit): Likewise.
3885 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3886 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3887 (BT_FN_UINT_UINT): New.
3888 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3889 DEF_FUNCTION_TYPE_VAR_4): Document.
3890 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3891 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3892 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3893 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3894 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3895 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3896 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3897 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3898 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3899 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3900 into separate files.
3901 (DEF_GOMP_BUILTIN): New.
3902 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3903 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3904 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3905 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3906 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3907 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3908 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3909 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3910 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3911 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3912 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3913 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3914 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3915 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3916 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3917 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3918 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3919 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3920 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3921 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3922 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3923 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3924 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3925 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3926 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3927 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3928 * sync-builtins.def: New file, moved from builtins.def.
3929 * omp-builtins.def: New file, moved from builtins.def.
3930 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3931 * gimple-low.c (lower_function_body): Clear data.
3932 (lower_stmt): Do not handle COMPOUND_EXPR.
3933 Remove call to print_node_brief.
3934 * c-tree.h (c_finish_omp_clauses): New prototype.
3935 (C_DECL_THREADPRIVATE_P): Define.
3936 (lookup_name_no_remap, c_omp_remap_private): Remove
3937 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3938 (check_for_loop_decls): Update decl.
3939 (lookup_name_no_remap, c_omp_remap_private): Declare.
3940 (build_indirect_ref, build_modify_expr, pushdecl,
3941 pushdecl_top_level): Move to c-common.h.
3942 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3943 before the switch, but just in the 2 places that need it.
3944 * c-decl.c (diagnose_mismatched_decls): Do not check for
3945 mismatched thread-local attributes when OLDDECL is marked
3946 threadprivate and NEWDECL has no thread-local attributes.
3947 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3948 (c_gimple_diagnostics_recursively): Rename from
3949 c_warn_unused_result_recursively. Invoke
3950 diagnose_omp_structured_block_errors.
3951 (check_for_loop_decls): Return a singular decl found.
3952 * langhooks.c (lhd_omp_predetermined_sharing): Return
3953 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3954 (lhd_omp_firstprivatize_type_sizes): New.
3955 (lhd_omp_assignment): New.
3956 (lhd_omp_predetermined_sharing): New.
3957 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3958 (struct lang_hooks_for_types): Add
3959 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3960 omp_predetermined_sharing, omp_disregard_value_expr,
3961 omp_private_debug_clause, omp_clause_default_ctor,
3962 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3963 (c_finish_omp_clauses): New.
3964 (c_finish_bc_stmt): Diagnose break within omp for.
3965 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3966 (build_unary_op): Return error_mark after reporting
3967 a readonly_error.
3968 (build_modify_expr): Likewise.
3969 * gimplify.c: Include optabs.h and pointer-set.h.
3970 (enum gimplify_omp_var_data): Declare.
3971 (struct gimplify_omp_ctx): Declare.
3972 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3973 and combined_ctxp.
3974 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3975 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3976 (splay_tree_compare_decl_uid): New.
3977 (new_omp_context): New.
3978 (delete_omp_context): New.
3979 (gimple_add_tmp_var): Call omp_add_variable.
3980 (gimplify_bind_expr): Likewise.
3981 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3982 true, disregard DECL_VALUE_EXPR on the decl if any.
3983 (gimplify_expr_in_ctx): New.
3984 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3985 omp_add_variable, omp_notice_variable, omp_is_private
3986 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3987 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3988 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3989 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3990 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3991 gimplify_omp_atomic): New.
3992 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3993 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3994 OMP_CRITICAL and OMP_ATOMIC.
3995 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3996 * c-pragma.h (enum pragma_kind): Add
3997 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3998 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3999 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4000 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4001 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4002 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4003 PRAGMA_OMP_THREADPRIVATE.
4004 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4005 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4006 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4007 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4008 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4009 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4010 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4011 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4012 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4013 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4014 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4015 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4016 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4017 OpenMP directives.
4018 (struct nesting_info): Add field_map,
4019 suppress_expansion, debug_var_chain.
4020 (create_nesting_tree): Initialize them.
4021 (lookup_field_for_decl): Use field_map.
4022 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4023 (convert_local_omp_clauses): New.
4024 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4025 (walk_body): Split out of walk_function.
4026 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4027 (convert_nonlocal_reference): Handle omp statements.
4028 (convert_local_reference): Likewise.
4029 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4030 (unnest_nesting_tree): New.
4031 (lower_nested_functions): Call it.
4032 (insert_field_into_struct): Make extern.
4033 (struct walk_stmt_info): Move to tree-gimple.h.
4034 (walk_stmts): Make extern.
4035 * omp-builtins.def: New file.
4036 * tree-iterator.c (expr_only): Clarify comment.
4037 * c-common.h (pushdecl_top_level, pushdecl,
4038 build_modify_expr, build_indirect_ref,
4039 c_finish_omp_master, c_finish_omp_critical,
4040 c_finish_omp_ordered, c_finish_omp_barrier,
4041 c_finish_omp_atomic, c_finish_omp_flush,
4042 c_finish_omp_for, c_split_parallel_clauses,
4043 omp_clause_default_kind, c_omp_sharing_predetermined,
4044 c_omp_remap_decl): Declare.
4045 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4046 (OBJS-common): Add omp-low.o.
4047 (c-omp.o, omp-low.o): Add.
4048 (gimplify.o): Add dependency on $(OPTABS_H).
4049 (GTFILES): Add omp-low.c.
4050 (gt-stringpool.h): Add.
4051 * tree-cfg.c (set_bb_for_stmt): Do not update the
4052 block-to-labels map if we are currently expanding to RTL.
4053 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4054 checks.
4055 Handle IDENTIFIER_NODE.
4056 (tree_verify_flow_info): Do not ICE when emitting error
4057 messages about invalid labels.
4058 (dump_function_to_file): Reset CFUN before emitting the body
4059 of the function.
4060 (debug_function): New.
4061 * passes.c (init_optimization_passes): Schedule
4062 pass_lower_omp.
4063 * langhooks-def.h (lhd_omp_predetermined_sharing,
4064 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4065 Declare.
4066 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4067 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4068 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4069 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4070 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4071 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4072 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4073 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4074 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4075 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4076 (LANG_HOOK_DECLS): Use them.
4078 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4079 Richard Henderson <rth@redhat.com>
4080 Jakub Jelinek <jakub@redhat.com>
4081 Diego Novillo <dnovillo@redhat.com>
4083 * c-parser.c (pragma_omp_clause): Define.
4084 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4085 (c_parser_compound_statement): Likewise.
4086 (c_parser_statement): Likewise.
4087 (c_parser_pragma): Handle omp pragmas.
4088 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4089 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4090 (c_parser_omp_clause_name, check_no_duplicate_clause,
4091 c_parser_omp_variable_list,
4092 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4093 c_parser_omp_clause_copyprivate,
4094 c_parser_omp_clause_default,
4095 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4096 c_parser_omp_clause_lastprivate,
4097 c_parser_omp_clause_nowait,
4098 c_parser_omp_clause_num_threads,
4099 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4100 c_parser_omp_clause_reduction,
4101 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4102 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4103 c_parser_omp_atomic, c_parser_omp_barrier,
4104 c_parser_omp_critical, c_parser_omp_flush,
4105 c_parser_omp_for_loop, c_parser_omp_for,
4106 c_parser_omp_master, c_parser_omp_ordered,
4107 c_parser_omp_sections_scope, c_parser_omp_sections,
4108 c_parser_omp_parallel, c_parser_omp_single,
4109 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4110 * c-pragma.c (init_pragma): Do omp pragma registration here.
4111 * c.opt (fopenmp): New flag.
4113 2006-01-18 Eric Christopher <echristo@apple.com>
4115 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4116 * config/darwin.h (GOMP_SELF_SPECS): Define.
4118 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4120 * rtl.h: Remove the prototype for reg_alloc.
4122 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4124 PR target/25731
4125 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4126 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4127 sjlj and dwarf2 exception handling.
4128 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4129 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4130 * pa/pa.c (function_value): Treat complex and vector types as
4131 aggregates.
4132 (function_arg): Likewise. Only pass scalar floats in the floating
4133 point argument registers.
4134 * pa/t-slibgcc-dwarf-ver: New file.
4135 * pa/t-slibgcc-sjlj-ver: New file.
4136 * pa/t-slibgcc-elf-ver: Delete file.
4138 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4140 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4141 unlikely_test_section_p test.
4143 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4145 * mode-switching.c (optimize_mode_switching): Make it static.
4146 * basic-block.h: Remove the prototype for
4147 optimize_mode_switching.
4149 * modulo-sched.c (sms_schedule): Make it static.
4150 * rtl.h: Remove the prototype for sms_schedule.
4152 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4153 * rtl.h: Remove the prototype for gcse_after_reload_main.
4155 * reg-stack.c (reg_to_stack): Make it static.
4156 * rtl.h: Remove the prototype for reg_to_stack.
4158 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4159 Make them static.
4160 * rtl.h: Remove the prototypes for regrename_optimize and
4161 copyprop_hardreg_forward.
4163 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4165 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4166 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4167 Test against the appropriate null constant for the mode.
4168 If 'fixup_overlap' is true, swap the operands if they overlap.
4169 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4170 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4171 alpha_split_tmode_pair and adjust for above change.
4172 * config/alpha/alpha.md (movtf_internal): Adjust call to
4173 alpha_split_tfmode_pair and rely on it to swap the operands.
4174 (movti_internal): New insn and post-reload splitter.
4175 (movti): New expander.
4177 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4179 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4180 operands.
4182 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4184 * rtlanal.c (global_reg_mentioned_p_1,
4185 global_reg_mentioned_p): Remove.
4186 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4188 * flow.c (initialize_uninitialized_subregs): Make it static.
4189 * rtl.h: Remove the prototype for
4190 initialize_uninitialized_subregs.
4192 * function.c (instantiate_virtual_regs): Make it static.
4193 * function.h: Remove the prototype for
4194 instantiate_virtual_regs.
4196 * regmove.c (regmove_optimize, combine_stack_adjustments):
4197 Make them static.
4198 * rtl.h: Remove the prototypes for regmove_optimize and
4199 combine_stack_adjustments.
4201 2006-01-17 Roger Sayle <roger@eyesopen.com>
4203 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4204 (size_cost): Encode costs in bytes so that a reg-reg addition is
4205 equivalent to COSTS_N_INSNS(1).
4206 (override_options): Use the size_cost.branch_cost as the default
4207 ix86_branch_cost when optimizing for size.
4209 2006-01-18 Ben Elliston <bje@au.ibm.com>
4211 * Makefile.in (D32PBIT_FUNCS): New.
4212 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4213 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4214 D64PBIT_FUNCS and D128PBIT_FUNCS.
4215 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4216 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4217 D128PBIT are set.
4218 (decnumber_dep): Define.
4219 * doc/libgcc.texi (Decimal float library routines): New node.
4220 * config/dfp-bit.h, config/dfp-bit.c: New files.
4222 2006-01-18 Ben Elliston <bje@au.ibm.com>
4224 * expr.c (emit_move_change_mode): Always adjust addresses, not
4225 just during reload. Copy replacements only during reload.
4226 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4227 emit_move_via_integer.
4229 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4231 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4232 instead of $(srcdir) and ${srcdir}.
4234 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4236 PR target/592
4237 PR middle-end/11135
4238 * arm.h (struct machine_function): Add pic_reg.
4239 * arm.c (arm_pic_register): Make unsigned.
4240 (arm_override_options): Only set arm_pic_register if
4241 TARGET_SINGLE_PIC_BASE.
4242 (use_return_insn): Only test for a pic register if it is fixed.
4243 (arm_compute_save_reg0_reg12_mask): Likewise.
4244 (thumb_compute_save_reg_mask): Likewise.
4245 (legitimate_pic_operand): Factor out some known invariants.
4246 (legitimize_pic_address): If we don't have a fixed pic register,
4247 then set up a pseudo in the function entry sequence. Handle the
4248 pic base being in a pseudo.
4249 (arm_load_pic_register): Handle the pic register being in a pseudo.
4250 (arm_expand_prologue): Only set up the pic register if it is fixed.
4251 (thumb_expand_prologue): Likewise.
4252 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4253 (pic_load_addr_based_insn): Likewise.
4254 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4255 fixed.
4257 2006-01-18 Ben Elliston <bje@au.ibm.com>
4259 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4260 decimal float modes for all floating point registers.
4262 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4263 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4265 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4267 PR c/25682
4268 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4269 even when the pointer is not NULL.
4271 2006-01-16 Ian Lance Taylor <ian@airs.com>
4273 * common.opt (ftoplevel-reorder): New option.
4274 * cgraph.c (cgraph_asm_nodes): New global variable.
4275 (cgraph_asm_last_node): New static variable.
4276 (cgraph_order): New global variable.
4277 (cgraph_create_node): Set new order field.
4278 (cgraph_varpool_node): Likewise.
4279 (decide_is_variable_needed): Return true if not
4280 flag_toplevel_reorder.
4281 (cgraph_add_asm_node): New function.
4282 * cgraph.h (struct cgraph_node): Add order field.
4283 (struct cgraph_varpool_node): Add order field.
4284 (struct cgraph_asm_node): Define.
4285 (cgraph_asm_nodes, cgraph_order): Declare.
4286 (cgraph_add_asm_node): Declare.
4287 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4288 function.
4289 (cgraph_varpool_assemble_pending_decls): Call it.
4290 (cgraph_output_pending_asms): New static function.
4291 (cgraph_finalize_compilation_unit): Call it.
4292 (struct cgraph_order_sort): Define.
4293 (cgraph_output_in_order): New static function.
4294 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4295 !flag_toplevel_reorder case.
4296 * c-parser.c: Include "cgraph.h".
4297 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4298 assemble_asm.
4299 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4300 than -fno-unit-at-a-time.
4301 * doc/invoke.texi (Option Summary): Mention
4302 -fno-toplevel-reorder.
4303 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4304 -funit-at-a-time documentation.
4306 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4307 Kazu Hirata <kazu@codesourcery.com>
4309 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4311 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4313 * Makefile.in (FUNCTION_H): New. Use it instead of
4314 function.h throughout the file.
4315 * function.h: Include tree.h.
4317 2006-01-17 Ben Elliston <bje@au.ibm.com>
4319 * recog.c: Separate some functions with whitespace.
4321 2006-01-16 Richard Henderson <rth@redhat.com>
4323 Merge from gomp branch:
4324 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4325 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4326 and rename from struct inline_data. Rename callee* to dst*;
4327 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4328 transform_new_cfg, transform_return_to_modify, and
4329 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4330 update_clones_p.
4331 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4332 (copy_decl_for_dup): Remove.
4333 * tree-inline.c (struct inline_data): Move to header.
4334 (insert_decl_map): Export.
4335 (remap_decl): Update for member name changes. Use copy_decl hook.
4336 Allow for replacement to be a non-decl. Remove dead code.
4337 (remap_type_1): Check for existing mapping.
4338 (remap_type): Export.
4339 (remap_decls): Update for member name changes.
4340 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4341 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4342 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4343 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4344 (tree_function_versioning, build_duplicate_type): Likewise.
4345 (copy_body_r): Likewise. Export.
4346 (copy_decl_for_dup): Split into ...
4347 (copy_decl_for_dup_finish, copy_decl_to_var,
4348 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4349 (replace_ref_tree, inlining_p): Remove.
4351 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4353 * ifcvt.c (if_convert): Make it static.
4354 * rtl.h: Remove the prototype for if_convert.
4356 * local-alloc.c (local_alloc): Make it static.
4357 * rtl.h: Remove the prototype for local_alloc.
4359 * loop.c (loop_optimize): Make it static.
4360 * cfgloop.h: Remove the prototype for loop_optimize.
4361 * rtl.h: Likewise.
4363 2006-01-16 DJ Delorie <dj@redhat.com>
4365 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4366 mems.
4368 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4370 * pa.md: Disparage copies between general and floating-point registers
4371 in 32-bit move patterns.
4373 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4375 PR testsuite/25741
4376 * Makefile.in (check-%): Depend on site.exp instead of
4377 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4378 directories.
4380 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4382 * global.c (global_alloc): Make it static.
4383 * rtl.h: Remove the prototype for global_alloc.
4385 2006-01-16 Richard Guenther <rguenther@suse.de>
4387 * tree-ssa-alias.c (struct used_part): Add write_only field.
4388 (get_or_create_used_part_for): Initialize it to true.
4389 (create_overlap_variables_for): Don't create structure variables
4390 for structures that only are written to.
4391 (find_used_portions): Handle MODIFY_EXPR to track whether a
4392 structure is only written to.
4394 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4396 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4397 static.
4398 * basic-block.h: Remove the prototype for
4399 partition_hot_cold_basic_blocks.
4401 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4403 * cppspec.c (lang_specific_spec_functions): Remove.
4404 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4405 * gcc.h (lang_specific_spec_functions): Remove.
4406 * gccspec.c (lang_specific_spec_functions): Remove.
4408 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4410 * combine.c (record_value_for_reg): Invalidate registers
4411 if INSN is null.
4412 (record_dead_and_set_regs_1): Likewise, by passing them to
4413 record_value_for_reg.
4414 (record_dead_and_set_regs): Invalidate stores made by a
4415 call. We do not combine across a call, but we still
4416 relied on equivalences.
4418 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4420 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4421 vrp_int_const_binop returning non-constant nodes.
4423 2006-01-16 Paul Brook <paul@codesourcery.com>
4425 * config/m68k/m68k.c (output_move_const_into_data_reg):
4426 Output correct mnemonic for mvz and mvs.
4428 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4430 * rtl-factoring.c: Add sequence abstraction algorithm.
4431 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4432 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4433 ABNORMAL edges.
4434 (block_has_preserve_label): New function.
4435 * common.opt: Register new pass.
4436 * Makefile.in: Ditto.
4437 * passes.c: Ditto.
4438 * timevar.def: Ditto.
4439 * tree-pass.h: Ditto.
4440 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4441 * rtl.h (make_jump_insn_raw): Add forward decl.
4442 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4444 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4445 Roger Sayle <roger@eyesopen.com>
4447 * fold-const.c (fold_minmax): New static function.
4448 (fold_binary) <MIN_EXPR>: Call it.
4449 <MAX_EXPR>: Likewise.
4450 * stor-layout.c (place_field): Use DECL_SIZE consistently
4451 in the computation of the new record size.
4453 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4455 * cse.c (cse_condition_code_reg): Make it static.
4456 * rtl.h: Remove the prototype for cse_condition_code_reg.
4458 * combine.c (combine_instructions): Make it static.
4459 * rtl.h: Remove the prototype for combine_instructions.
4461 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4463 PR target/25168
4464 * tree.c (get_file_function_name_long): Concatenate the first global
4465 object name with a string derived from the input filename of the object
4466 for type "F".
4468 2006-01-16 Ben Elliston <bje@au.ibm.com>
4470 * config/i386/winnt-stubs.c: Update FSF address.
4471 * config/xtensa/ieee754-df.S: Ditto.
4472 * config/xtensa/ieee754-sf.S: Ditto.
4474 2006-01-14 Ian Lance Taylor <ian@airs.com>
4476 * ifcvt.c (noce_init_if_info): New static function, broken out of
4477 noce_process_if_block.
4478 (noce_process_if_block): Call noce_init_if_info.
4479 (check_cond_move_block): New static function.
4480 (cond_move_process_if_block): New static function.
4481 (process_if_block): Call cond_move_process_if_block.
4483 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4485 * cselib.c (hash_table): Rename to cselib_hash_table.
4486 (cselib_clear_table, discard_useless_values,
4487 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4488 cselib_init, cselib_finish): Adjust uses of hash_table.
4490 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4492 PR tree-optimization/25485
4493 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4494 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4495 is known to be false and true, respectively.
4497 2006-01-14 Richard Guenther <rguenther@suse.de>
4499 PR tree-optimization/22548
4500 PR tree-optimization/22555
4501 PR tree-optimization/22501
4502 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4503 * params.def (salias-max-array-elements): New parameter.
4504 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4505 * doc/invoke.texi (salias-max-array-elements): Document.
4506 * tree-flow-inline.h (var_can_have_subvars): We also handle
4507 arrays now.
4508 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4509 COMPONENT_REF.
4510 * tree-ssa-structalias.c (params.h): Include.
4511 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4512 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4513 (get_constraint_for): For ADDR_EXPR operating on something
4514 containing an ARRAY_REF, add all subvars to the solution.
4515 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4516 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4517 for creating MUST_DEFs.
4518 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4520 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4522 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4523 functions.
4524 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4525 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4526 number_of_iterations_le): New functions.
4527 (number_of_iterations_special): Removed.
4528 (number_of_iterations_exit): Do not use number_of_iterations_special.
4529 * tree.c (unsigned_type_for): Always return integer type.
4531 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4532 Richard Guenther <rguenther@suse.de>
4534 PR rtl-optimization/24257
4535 * gcse.c (find_moveable_store): Only consider a store movable
4536 when the SET_SRC of the insn can be assigned to a register.
4538 2006-01-14 Ian Lance Taylor <ian@airs.com>
4540 * tree.c (tree_not_class_check_failed): New function.
4541 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4542 (tree_not_class_check_failed): Declare.
4544 2006-01-13 Ian Lance Taylor <ian@airs.com>
4546 * reload1.c (do_output_reload): Add assertion rejecting a
4547 CALL_INSN.
4549 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4551 * combine.c (struct reg_stat): Add new fields truncation_label and
4552 truncated_to_mode.
4553 (record_value_for_reg): Reset truncated_to_mode.
4554 (record_truncated_value): New function.
4555 (check_promoted_subreg): Call it. Rename to check_conversions.
4556 (combine_instructions): Rename check_promoted_subreg to
4557 check_conversions.
4558 (reg_truncated_to_mode): New function.
4559 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4560 (gen_lowpart_or_truncate): New function.
4561 (force_to_mode): Use it instead of gen_lowpart.
4563 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4565 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4566 VAR is a tag, not its type tag.
4568 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4570 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4571 alternatives to match style of other entries.
4572 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4574 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4576 PR tree-optimization/25771
4577 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4578 SSA_NAMES.
4580 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4582 PR tree-opt/24365
4583 * tree-inline.c (declare_return_variable): If the return variable
4584 was marked as a non gimple complex, set the return slot variable
4585 to be a non gimple comple variable.
4587 2006-01-13 Richard Guenther <rguenther@suse.de>
4589 * builtins.c (expand_builtin_sincos): New function.
4590 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4591 do not set errno.
4592 (expand_builtin): Expand sincos using expand_builtin_sincos.
4594 2006-01-12 DJ Delorie <dj@redhat.com>
4596 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4597 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4598 so that constant shifts can be split.
4599 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4600 (m32c_valid_pointer_mode): Make static.
4601 (shift_gen_func_for): New.
4602 (m32c_prepare_shift): Use it. Split large const shifts into
4603 multiple shifts.
4604 * config/m32c/predicates.md (shiftcount_operand): Allow more
4605 general operands.
4606 (longshiftcount_operand): New.
4607 * doc/md.texi (Machine Constraints): Document In6.
4609 2006-01-13 Ben Elliston <bje@au.ibm.com>
4611 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4612 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4613 documentation.
4615 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4617 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4618 to try to avoid clobbering pieces of structures when we know
4619 something about the whole structure.
4620 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4622 2006-01-13 Ben Elliston <bje@au.ibm.com>
4624 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4625 return in memory, as this is no limitation is no longer present.
4627 2006-01-12 DJ Delorie <dj@redhat.com>
4629 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4630 mova with fb, and for fb+0 -> An.
4632 * config/m32c/mov.md (peephole2): Fix enabling logic.
4634 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4635 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4636 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4637 FINI_ARRAY_SECTION_ASM_OP): Define.
4639 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4640 variable.
4641 (m32c_legitimize_reload_address): New logic to reload FB to An.
4642 (m32c_output_reg_push): Add newline.
4643 (m32c_output_reg_pop): Likewise.
4645 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4647 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4649 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4651 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4653 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4655 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4656 match_code.
4658 2006-01-11 Ben Elliston <bje@au.ibm.com>
4660 * rtlanal.c (find_reg_note): Assert insn is not null.
4662 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4664 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4665 ifdef.
4667 2006-01-11 Jeff Law <law@redhat.com>
4669 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4670 hold edge pairs.
4671 (mark_threaded_blocks, register_jump_thread): New functions.
4672 (thread_through_all_blocks): Remove unwanted argument. No
4673 longer rely on e->aux to communicate thread target info.
4674 Call mark_threaded_blocks. Release the threaded_blocks
4675 bitmap and threaded_edges vector when complete.
4676 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4677 (threaded_blocks): Remove.
4678 (tree_ssa_dominator_optimize): Remove initialization and
4679 finalization of threaded_blocks. Simplify call to
4680 thread_through_all_blocks.
4681 (thread_across_edge): Call register_jump_thread rather than
4682 storing thread information into e->aux.
4683 (free_all_edge_infos): Simplify now that e->aux is no longer
4684 used to communicate with thread_through_all_blocks.
4685 * tree-flow.h (thread_through_all_blocks): Update prototype.
4686 (register_jump_thread): Prototype.
4688 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4690 * df-core.c (df_compact_blocks, df_bb_replace): Use
4691 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4693 2006-01-11 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/25734
4696 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4697 stop propagation after successful propagation to the LHS.
4699 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4701 * basic-block.h (control_flow_graph): Change the type of
4702 x_basic_block_info to VEC(basic_block,gc) *.
4703 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4704 basic_block_info.
4705 (SET_BASIC_BLOCK): New.
4706 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4707 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4708 * cfgbuild.c (find_basic_blocks): Likewise.
4709 * cfglayout.c (fixup_reorder_chain): Likewise.
4710 * cfgrtl.c (create_basic_block_structure,
4711 rtl_create_basic_block): Likewise.
4712 * ifcvt.c (find_if_case_1): Likewise.
4713 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4714 Likewise.
4716 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4718 * Makefile.in: Removed rotted odf.c entry.
4720 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4722 PR target/25706
4723 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4724 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4725 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4726 output pattern modifier, not %e.
4727 * config/cris/cris.c (cris_op_str): Update comment about pattern
4728 modifier.
4729 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4730 before falling through into...
4731 <case 'E'>: Redefined from old 'e' case.
4733 2006-01-11 Jan Hubicka <jh@suse.cz>
4735 PR target/25042
4736 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4738 2006-01-11 Jan Hubicka <jh@suse.cz>
4740 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4741 * i386.c (x86_decompose_lea): Kill.
4742 (ix86_rtx_costs): Kill.
4744 2006-01-11 Jan Hubicka <jh@suse.cz>
4746 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4747 * cgraph.h (cgraph_node): Add inline_decl.
4748 (cgraph_insert_node_to_hashtable): Declare.
4749 (save_inline_function_body): Declare.
4750 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4751 clones.
4752 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4753 (cgraph_function_versioning): Update call of tree_function_versioning.
4754 (save_inline_function_body): New function.
4755 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4756 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4757 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4758 (cgraph_default_inline_p): Likewise.
4759 (cgraph_decide_inlining_incrementally): Likewise.
4760 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4761 (copy_bb): Kill saving; do updating of clones.
4762 (copy_cfg_body): Kill saving.
4763 (initialize_inlined-parameters): Likewise.
4764 (expand_call_inline): Likewise.
4765 (save_body): Kill.
4766 (tree_function_versioning): New parameter "update_clones".
4767 (inlining_p): Kill saving.
4768 * tree-inline.h (tree_function_versioning): Update prototype.
4769 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4770 saving.
4772 2006-01-11 Ian Lance Taylor <ian@airs.com>
4774 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4775 Allow undoing set of machine mode.
4776 (do_SUBST): Use enums instead of is_int.
4777 (do_SUBST_MODE): New function.
4778 (SUBST_MODE): New macro.
4779 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4780 reg and trying to replace reg_regno_rtx with a new register.
4781 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4782 (simplify_set): Use SUBST_MODE.
4783 (distribute_notes): Remove code that tried to update reg notes
4784 for regno_reg_rtx changes.
4786 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4788 PR tree-optimization/23109
4789 PR tree-optimization/23948
4790 PR tree-optimization/24123
4792 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4793 * tree-cfg.c (single_noncomplex_succ): New.
4794 * tree-flow.h (single_noncomplex_succ): Declare it.
4795 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4796 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4797 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4798 insert_bb, register_division_in, insert_reciprocals,
4799 replace_reciprocal, free_bb): New.
4800 (execute_cse_reciprocals_1): Rewritten.
4801 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4802 Do not commit any edge insertion. Always compute dominators and
4803 create the allocation pool.
4804 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4805 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4806 * targhooks.c (default_min_divistions_for_recip_mul): New.
4807 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4808 * passes.c (init_optimization_passes): Run recip after tree loop
4809 optimizations.
4810 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4812 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4813 Kenneth Zadeck <zadeck@naturalbridge.com>
4815 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4816 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4817 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4818 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4819 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4820 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4821 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4822 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4823 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4824 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4825 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4826 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4827 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4828 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4829 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4830 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4831 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4832 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4833 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4834 DF_SCAN_POST_ALLOC): New macros.
4835 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4836 df_free_bb_function, df_local_compute_function, df_init_function,
4837 df_dataflow_function, df_confluence_function_0,
4838 df_confluence_function_n, df_transfer_function,
4839 df_finalizer_function, df_free_function, df_dump_problem_function,
4840 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4841 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4842 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4843 df_urec_bb_info, ) New types.
4844 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4845 variables.
4846 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4847 df_analyze_simple_change_some_blocks,
4848 df_analyze_simple_change_one_block, df_compact_blocks,
4849 df_bb_replace, df_bb_regno_last_use_find,
4850 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4851 df_insn_regno_def_p, df_find_def, df_find_use,
4852 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4853 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4854 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4855 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4856 debug_df_chain, df_get_dependent_problem, df_chain_create,
4857 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4858 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4859 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4860 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4861 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4862 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4863 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4864 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4865 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4866 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4867 df_reorganize_refs, df_set_state, df_hard_reg_init,
4868 df_read_modify_subreg_p) New public functions.
4869 * df-core.c: The core dataflow solver and glue routines for rtl
4870 dataflow.
4871 (df_init, df_add_problem, df_set_blocks, df_finish,
4872 df_hybrid_search_forward, df_hybrid_search_backward,
4873 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4874 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4875 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4876 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4877 df_reg_defined, df_find_use, df_reg_used, df_dump,
4878 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4879 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4880 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4881 debug_df_useno, reset_df_after_reload): New functions.
4882 * df-scan.c: The scanning fuctions, once in df.c, completely
4883 rewritten so that they now fully model the functionality of
4884 register usage at the backend.
4885 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4886 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4887 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4888 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4889 df_get_artificial_defs, df_get_artificial_uses,
4890 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4891 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4892 df_refs_delete, df_reorganize_refs, df_set_state,
4893 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4894 df_def_record_1, df_defs_record, df_uses_record,
4895 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4896 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4897 df_record_exit_block_uses, df_hard_reg_init): New functions.
4899 * df-problems.c: Seven concrete dataflow problems that use the
4900 scanning in df-scan.c and are solved by the engine in df-core.c.
4901 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4902 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4903 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4904 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4905 df_ru_free_bb_info, df_ru_alloc,
4906 df_ru_bb_local_compute_process_def,
4907 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4908 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4909 df_ru_transfer_function, df_ru_free, df_ru_dump,
4910 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4911 df_rd_free_bb_info, df_rd_alloc,
4912 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4913 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4914 df_rd_transfer_function, df_rd_free, df_rd_dump,
4915 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4916 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4917 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4918 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4919 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4920 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4921 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4922 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4923 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4924 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4925 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4926 df_urec_mark_reg_use_for_earlyclobber,
4927 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4928 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4929 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4930 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4931 df_chain_create_bb_process_use, df_chain_create_bb,
4932 df_chain_finalize, df_chain_free, df_chains_dump,
4933 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4934 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4935 df_reg_lifetime): New functions.
4936 * df.c: Deleted file.
4937 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4938 consistent with new df api.
4939 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4940 rest_of_handle_sms): Ditto.
4941 * web.c (unionfind_union, union_defs, entry_register, web_main):
4942 Ditto.
4943 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4944 invariant_expr_equal_p, find_defs, check_dependencies,
4945 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4946 free_inv_motion_data, move_loop_invariants): Ditto.
4947 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4948 Update dependencies.
4949 (odf.c): Added defective entry that was deleted later in day.
4950 * sched-deps.c (sched_analyze_1): Ditto.
4952 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4954 * tree-ssa-operands.c (get_expr_operands): Record addressable
4955 variables directly. Do not call add_stmt_operands for CONST_DECLs
4956 and ARRAY_DECLs.
4957 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4958 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4960 2006-01-11 Ben Elliston <bje@au.ibm.com>
4962 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4963 function returns true in the positive case.
4965 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4967 PR target/20754
4968 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4969 for SI, DI, SF and DF modes. Add alternatives to copy between
4970 general and floating point registers to the 32-bit patterns.
4971 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4972 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4973 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4974 generating 64-bit code.
4975 * config/pa/pa.c (output_move_double): Handle copies between general
4976 and floating registers.
4978 2006-01-10 Stuart Hastings <stuart@apple.com>
4980 * config/i386/i386.md (set_got): Update.
4981 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4982 (builtin_setjmp_receiver): Mach-O support.
4983 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4984 (GOT_SYMBOL_NAME): Define.
4985 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4986 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4987 * config/i386/i386.c (override_options): Revise for Darwin.
4988 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4989 support. (darwin_x86_file_end): New. (output_set_got): Add label
4990 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4991 * config/i386/i386-protos.h (output_set_got): Likewise.
4992 * config/darwin.c (machopic_legitimize_pic_address): Update
4993 regs_ever_live[].
4995 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4997 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4998 when MODE isn't BLKmode.
5000 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5002 PR rtl-optimization/25367
5003 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5005 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5007 PR target/25718
5008 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5009 for a negative bound.
5011 2006-01-10 Richard Guenther <rguenther@suse.de>
5013 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5014 Never override with anything constraint.
5016 2006-01-10 Jan Beulich <jbeulich@novell.com>
5018 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5019 256 bits when optimize_size.
5021 2006-01-10 Jan Beulich <jbeulich@novell.com>
5023 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5024 MASK_ALIGN_DOUBLE.
5025 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5026 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5027 arguments.
5029 2006-01-10 Ben Elliston <bje@au.ibm.com>
5031 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5032 float modes.
5033 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5034 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5035 (USE_FP_FOR_ARG): Reject decimal float modes.
5036 (function_arg_advance): Likewise.
5037 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5038 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5039 point types in AltiVec vectors.
5040 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5041 (rs6000_libcall_value): Likewise.
5043 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5045 * config/xtensa/ieee754-df.S: New file.
5046 * config/xtensa/ieee754-sf.S: New file.
5047 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5048 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5049 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5051 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5053 * config/sh/predicates.md (binary_float_operator,
5054 binary_logical_operator, commutative_float_operator,
5055 equality_comparison_operator, greater_comparison_operator,
5056 less_comparison_operator, logical_operator,
5057 noncommutative_float_operator, shift_operator,
5058 symbol_ref_operand, unary_float_operator): Remove redundant
5059 conditionals.
5061 2006-01-09 Jeff Law <law@redhat.com>
5063 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5064 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5065 now unused arguments. Callers updated.
5066 (eliminate_redundant_computations): Remove now unused arguments,
5067 callers updated.
5068 (local_fold): Remove, no longer used.
5069 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5070 and moved to...
5071 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5072 (simplify_cond): New function.
5073 (forward_propagate_into_cond): Call simplify_cond.
5075 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5077 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5078 (*vec_extractv2di_1_sse): New.
5080 2006-01-09 Ben Elliston <bje@au.ibm.com>
5082 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5084 2006-01-08 Richard Guenther <rguenther@suse.de>
5086 * tree-ssa-structalias.c (get_constraint_for): Remove
5087 anyoffset argument.
5088 (get_constraint_for_component_ref): Likewise.
5089 (do_deref): Likewise.
5090 (get_constraint_for): Likewise.
5091 (do_structure_copy): Likewise.
5092 (handle_ptr_arith): Likewise.
5093 (find_func_aliases): Likewise. Remove unused need_anyoffset
5094 variable.
5096 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5097 Kaz Kojima <kkojima@gcc.gnu.org>
5099 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5100 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5101 (EXTRA_CONSTRAINT_C16): Remove.
5102 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5103 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5104 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5105 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5106 constants of SHmedia. Handle nested constant expressions of
5107 SHmedia correctly.
5108 (andcosts): Fix the costs for SHmedia constants.
5109 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5110 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5111 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5112 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5113 (movv4hi_i, movv2si_i): Likewise.
5114 (movsi_const): Adjust the second operand of ior so to match with
5115 the Csu constraint.
5116 (movdi_const, movdi_const_32bit): Likewise.
5117 (movdi_const_16bit+1): Don't sign-extend LOW.
5118 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5119 step.
5120 (*double_shori): Fix the split condition. Use GEN_INT instead
5121 of get_int_mode calls. Mask lower 16-bit of the argument of
5122 the last GEN_INT.
5123 (sym2GOTPLT): Remove.
5124 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5125 gen_rtx_UNSPEC.
5126 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5127 instead of EXTRA_CONSTRAINT_C16.
5129 2006-01-07 Ian Lance Taylor <ian@airs.com>
5130 David Edelsohn <edelsohn@gnu.org>
5132 PR rtl-optimization/25662
5133 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5134 for constant operands instead of simplify_gen_binary.
5135 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5136 after trying simplify_binary_operation
5138 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5140 * tree.c (iterative_hash_expr): Hash decls based on UID.
5142 2006-01-06 Eric Christopher <echristo@apple.com>
5144 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5145 (TARGET_UNWIND_EMIT): Fix spelling.
5146 * target.h (gcc_target): Add except_table_label.
5147 * except.c (output_function_exception_table): Use.
5148 * varasm.c (default_emit_except_table_label): New.
5149 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5150 define.
5151 (asm_out): Add here.
5152 * output.h (default_emit_except_table_label): Prototype.
5153 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5154 * config/darwin.c (darwin_emit_except_table_label): Define.
5155 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5157 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5159 PR tree-optimization/18527
5160 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5161 number_of_iterations_special, number_of_iterations_exit):
5162 Move base and step of an iv to a single structure. Add
5163 no_overflow flag, and use it in # of iterations analysis.
5164 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5165 folded_casts argument.
5166 (simple_iv): Pass base and step in a structure. Set no_overflow
5167 flag.
5168 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5169 Evaluate expensiveness of computing # of iterations instead of
5170 the final expression.
5171 * tree-scalar-evolution.h (affine_iv): New structure.
5172 (simple_iv): Declaration changed.
5173 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5174 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5175 find_givs_in_stmt): Changed due to simple_iv change.
5177 2006-01-06 Jeff Law <law@redhat.com>
5179 PR ada/24994
5180 * tree-cfg.c (bsi_replace): Rename final argument from
5181 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5182 change (stmt -> orig_stmt).
5183 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5184 (bsi_remove): Add new argument. Remove EH information
5185 if requested.
5186 (verify_eh_throw_table_statements): New function.
5187 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5188 updated.
5189 * tree-optimize.c (execute_free_cfg_annotations): Verify
5190 the EH throw statement table after removing annotations.
5191 * except.h (verify_eh_throw_table_statements): Prototype.
5192 * tree-flow.h (bsi_remove): Update prototype.
5193 * tree-vrp.c (remove_range_assertions): Add new argument to
5194 bsi_remove call.
5195 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5196 * tree-complex.c (expand_complex_div_wide): Likewise.
5197 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5198 * tree-tailcall.c (eliminate_tailcall): Likewise.
5199 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5200 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5201 * tree-nrv.c (tree_nrv): Likewise.
5202 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5203 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5204 (combine_blocks): Likewise.
5205 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5206 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5207 (cleanup_control_flow): Likewise.
5208 (remove_forwarder_block): Likewise.
5209 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5210 * tree-sra.c (sra_replace): Likewise.
5211 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5212 (forward_propagate_single_use_vars): Likewise.
5213 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5214 * tree-inline.c (expand_call_inline): Likewise.
5215 * tree-vect-transform.c (vect_transform_loop): Likewise.
5216 * tree-outof-ssa.c (rewrite_trees): Likewise.
5217 * tree-cfg.c (make_goto_expr_edges): Likewise.
5218 (cleanup_dead_labels): Likewise.
5219 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5220 (bsi_move_before, bsi_move_after): Likewise.
5221 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5222 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5224 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5226 PR tree-opt/25528
5227 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5228 and IMAGPART_EXPR.
5229 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5230 on non gimple variables. Also add checks at the top for decls and
5231 mtags.
5232 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5233 complex types.
5234 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5235 and IMAGPART_EXPR for creating MUST_DEFs.
5236 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5237 and NAME_MEMORY_TAG separately from the DECLs.
5239 2006-01-06 Richard Guenther <rguenther@suse.de>
5241 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5242 annotation, if necessary.
5243 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5244 redundant calls to update_stmt.
5245 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5246 Likewise.
5248 2006-01-05 Richard Henderson <rth@redhat.com>
5250 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5252 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5254 * c-typeck.c: Update copyright date.
5256 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5258 * c-typeck.c (build_c_cast): Always warn when casting
5259 from a pointer to an integer of different size, even if
5260 the node was constant.
5262 2006-01-05 Richard Guenther <rguenther@suse.de>
5264 PR tree-optimization/22555
5265 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5266 if one structure field is an array.
5267 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5268 operands even if we found a subvar, but ignore VOPs in this
5269 case.
5270 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5271 for renaming.
5272 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5274 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5276 PR middle-end/24998
5277 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5279 2006-01-05 Richard Guenther <rguenther@suse.de>
5280 Diego Novillo <dnovillo@redhat.com>
5282 * tree-pass.h (TODO_remove_unused_locals): Define.
5283 * gimple-low.c (expand_var_p, remove_useless_vars,
5284 pass_remove_useless_vars): Remove. Update all users.
5285 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5286 (remove_unused_locals): New function.
5287 * tree-flow.h (remove_unused_locals): Declare.
5288 * passes.c (execute_todo): Call remove_unused_locals if
5289 TODO_remove_unused_locals is set.
5290 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5291 * tree-ssa-dce.c (pass_dce): Likewise.
5292 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5294 2006-01-05 Richard Guenther <rguenther@suse.de>
5296 * tree-flow.h (struct fieldoff): Decompose field to
5297 type, size and decl.
5298 * tree-ssa-alias.c (create_sft): Take type as parameter.
5299 (create_overlap_variables_for): Store type, size and decl
5300 in the fieldoff structure.
5301 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5302 of struct fieldoff.
5303 (push_fields_onto_fieldstack): Likewise.
5304 (create_variable_info_for): Likewise. Use offset for the
5305 SFT name if the decl is not available.
5307 2006-01-04 Paul Brook <paul@codesourcery.com>
5309 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5311 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5313 * lambda-code.c (can_put_in_inner_loop): Relax
5314 restrictions.
5315 (can_put_after_inner_loop): New function.
5316 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5317 (perfect_nestify): Change to make copies and modify uses.
5319 2006-01-04 Richard Henderson <rth@redhat.com>
5321 Merge from gomp branch:
5322 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5323 via integer constant.
5324 (pragma_lex): Remove.
5325 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5326 rather than parsing it.
5327 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5328 handle_pragma_extern_prefix): Add %< %> quotes.
5329 (registered_pragmas): New.
5330 (c_register_pragma_1): New.
5331 (c_register_pragma): Use it.
5332 (c_register_pragma_with_expansion): Likewise.
5333 (c_invoke_pragma_handler): New.
5334 (init_pragma): Use cpp_register_deferred_pragma directly for
5335 pch_preprocess.
5336 * c-pragma.h (enum pragma_kind): New.
5337 (pragma_handler): New.
5338 (c_invoke_pragma_handler): Declare.
5339 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5340 CPP_PRAGMA_EOL.
5341 * c-common.h (c_common_pch_pragma): Update decl.
5342 * Makefile.in (c-parser.o): Update dependencies.
5343 (GTFILES): Add c-pragma.h.
5344 * c-parser.c (struct c_token): Add pragma_kind.
5345 (struct c_parser): Add in_pragma.
5346 (c_lex_one_token): Always initialize keyword and pragma_kind.
5347 Extract data for CPP_PRAGMA.
5348 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5349 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5350 Don't allow CPP_PRAGMA_EOL if in_pragma.
5351 (c_parser_consume_pragma): New.
5352 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5353 (c_parser_skip_to_end_of_parameter): Likewise.
5354 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5355 (c_parser_skip_to_pragma_eol): New.
5356 (c_parser_external_declaration): Handle CPP_PRAGMA.
5357 (c_parser_compound_statement_nostart): Likewise.
5358 (c_parser_statement_after_labels): Likewise.
5359 (c_parser_pragma): New.
5360 (pragma_lex): Likewise.
5361 (c_parser_pragma_pch_preprocess): New.
5362 (c_parser_new): Merge into ...
5363 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5365 2006-01-04 Jeff Law <law@redhat.com>
5367 PR ada/24994
5368 * tree-cfg.c (bsi_replace): Remove the original statement
5369 from the EH throw statement table.
5371 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5373 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5374 make the prototype extern "C" and add throw ().
5376 PR target/25554
5377 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5378 and pos non-negative and pos + len <= 32.
5379 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5380 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5381 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5383 PR c/25559
5384 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5385 as well as sizes not multiple of component size.
5387 PR debug/25562
5388 * function.c (instantiate_expr): New function.
5389 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5390 walk its DECL_VALUE_EXPR with instantiate_expr.
5392 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5393 DW_OP_deref{,_size} if address isn't going to be added.
5395 2006-01-04 Ben Elliston <bje@au.ibm.com>
5397 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5398 * config/fp-bit.c: Likewise.
5400 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5402 * dominance.c: Add comment about why we use DFS numbering
5403 of dominance tree.
5405 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5406 Richard Henderson <rth@redhat.com>
5408 Merge from gomp-branch:
5409 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5410 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5412 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5414 PR rtl-optimization/25578
5415 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5416 pass a parameter to simplify_shift_const if changing ASHIFTRT
5417 to LSHIFTRT.
5419 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5421 * builtins.c (get_builtin_sync_mem): New function.
5422 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5423 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5424 Call get_builtin_sync_mem to generate mem rtx.
5426 2006-01-03 Richard Guenther <rguenther@suse.de>
5428 PR c/25183
5429 * stmt.c (add_case_node): Make sure to clear overflow flags
5430 from ranges.
5432 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5434 Merge from gomp-branch.
5435 * config/sparc/sync.md: New file.
5436 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5437 UNSPECV_LDSTUB): New constants.
5438 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5439 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5440 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5441 prototype.
5443 2006-01-03 Roger Sayle <roger@eyesopen.com>
5445 * combine.c (reg_subword_p): New predicate to test whether the
5446 destination of a set refers to a subword/piece of a register.
5447 (try_combine): Generalize the code to merge the setting of a
5448 pseudo to a constant followed by a set of a subword of that
5449 register to a constant.
5451 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5453 * basic-block.h (control_flow_graph): Change the type of
5454 x_label_to_block_map to VEC(basic_block,gc) *.
5455 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5456 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5458 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5459 VEC(basic_block,heap) *.
5460 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5461 ssa_prop_fini): Adjust the uses of cfg_blocks.
5463 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5465 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5466 COMPONENT_REFs.
5467 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5468 hashing trees instead of a pointer hash.
5469 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5470 compare for MEM_EXPR.
5472 PR rtl-optimization/25130
5473 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5474 when comparing MEMs for GCSE
5476 2006-01-03 Ben Elliston <bje@au.ibm.com>
5478 * targhooks.h (default_decimal_float_supported_p): Declare.
5479 * targhooks.c (default_decimal_float_supported_p): Define.
5480 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5481 `default_decimal_float_supported_p'.
5482 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5484 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5486 * combine.c (apply_distributive_law <SUBREG>): Check
5487 TRULY_NOOP_TRUNCATION.
5489 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5491 * dwarf2out.c (have_switched_text_section): Delete.
5492 (have_multiple_function_sections): New.
5493 (have_location_lists): Make 'bool'.
5494 (add_AT_loc_list): Use 'true' not '1'.
5495 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5496 (output_loc_list): Use have_multiple_function_sections.
5497 (output_ranges): Likewise.
5498 (dwarf2out_begin_function): Set have_multiple_function_sections if
5499 necessary.
5500 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5501 Check function_section rather than DECL_SECTION_NAME.
5502 (dwarf2out_finish): Use have_multiple_function_sections.
5503 Don't clear have_location_lists.
5505 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5506 Jan Hubicka <jh@suse.cz>
5508 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5509 case of conditional jump jumping to the next instruction.
5510 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5511 cases of conditional jump jumping to the next instruction.
5513 2006-01-02 Jan Hubicka <jh@suse.cz>
5515 * i386.c (*_cost): Add COSTS_N_INSNS.
5516 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5518 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5520 PR target/25259
5521 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5523 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5525 * config/arm/arm.c (all_fpus): Fix comment typo.
5526 * config/darwin.c: Likewise.
5527 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5528 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5529 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5531 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5533 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5534 (rs6000_split_compare_and_swapqhi): New.
5535 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5536 (sync_compare_and_swapqhi_internal): New.
5537 * config/rs6000/rs6000-protos.h: Declare.