1 2006-02-23 Jeff Law <law@redhat.com>
3 PR tree-optimization/26425
4 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5 min/max, then assume its varying.
7 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9 PR rtl-optimization/26316
10 * rtlanal.c (enum may_trap_p_flags): New.
11 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14 (may_trap_after_code_motion_p): New function.
15 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16 (find_invariant_insn): Use may_trap_after_code_motion_p.
17 * rtl.h (may_trap_after_code_motion_p): Declare.
19 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
21 * emit-rtl.c (immed_double_const): Cleanup.
23 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
25 Fix PR tree-optimization/26376
26 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
29 2006-02-23 Jakub Jelinek <jakub@redhat.com>
32 * gimplify.c (omp_add_variable): Guard variable size decl test with
33 DECL_SIZE (decl) check.
35 2006-02-23 Richard Guenther <rguenther@suse.de>
38 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
41 2006-02-23 Jakub Jelinek <jakub@redhat.com>
43 * configure.ac: Add --with{,out}-long-double-128 configure option.
44 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
47 * doc/install.texi (Options specification): Document
48 --with-long-double-128.
50 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
51 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
52 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
53 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
55 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
57 * config/s390/s390.c (override_options): Handle
58 TARGET_DEFAULT_LONG_DOUBLE_128.
60 * config/alpha/alpha.c (override_options): Handle
61 TARGET_DEFAULT_LONG_DOUBLE_128.
63 * config/sparc/sparc.c (sparc_override_options): Handle
64 TARGET_DEFAULT_LONG_DOUBLE_128.
66 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
68 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
69 (real-install-headers-tar, real-install-headers-cpio)
70 (real-install-headers-cp): New targets.
72 2006-02-22 Richard Sandiford <richard@codesourcery.com>
74 * tree.h (variable_section): Delete.
75 * varasm.c (variable_section): Delete.
77 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
79 * install.texi: Add notes on install.texi2html.
80 (Building in parallel): Do not use footnotes.
82 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
85 * doc/install.texi (Configuration): Document --disable-libgomp.
87 2006-02-21 Geoffrey Keating <geoffk@apple.com>
89 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
91 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
93 * config/i386/sse.md (vec_extractv2df_1_sse): New.
94 (vec_extractv2df_0_sse): New.
96 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
98 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
99 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
100 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
101 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
102 to the result of the expression.
104 (frame_pointer_cfa_offset): Rename to...
105 (frame_pointer_fb_offset): ... this. Adjust all uses.
106 (convert_cfa_to_loc_list): Rename to...
107 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
108 Pass it on to build_cfa_loc.
109 (compute_frame_pointer_to_cfa_displacement): Rename to...
110 (compute_frame_pointer_to_fb_displacement): ... this. New
111 offset parameter. Use it in computation.
112 (gen_subprogram_die): Compute cfa_fb_offset with the new
113 macro, and use it to compute the fb loc list and the
116 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
118 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
119 replaced with register_operand.
120 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
121 non-DREG is expensive.
122 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
123 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
126 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
128 * doc/install.texi2html: Use set -e.
130 2006-02-21 Richard Sandiford <richard@codesourcery.com>
132 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
133 (ASM_OUTPUT_SHARED_LOCAL): Delete.
134 * doc/invoke.texi (-fshared-data): Delete.
135 * common.opt (fshared-data): Delete.
136 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
137 (assemble_static_space): Remove #if 0 code.
138 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
139 (ASM_OUTPUT_SHARED_LOCAL): Poison.
140 * config/cris/cris.h: Remove FIXME.
142 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
144 * doc/sourcebuild.texi (Front End Directory): No more double-colon
147 2006-02-21 Jakub Jelinek <jakub@redhat.com>
150 * combine.c (simplify_shift_const_1): Disable nested shifts
151 optimization for vector shifts.
153 2006-02-20 Roger Sayle <roger@eyesopen.com>
155 PR tree-optimization/26361
156 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
157 of unsigned integer types.
159 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
161 * tree-chrec.c (eq_evolutions_p): New.
162 * tree-chrec.h (eq_evolutions_p): Declared.
163 * tree-data-ref.c: Fix formatting.
164 (datadep_stats, dependence_stats): New.
166 (print_direction_vector): New.
167 (dump_data_dependence_relation): Use print_direction_vector.
168 (object_analysis, create_data_ref): Handle COMPONENT_REF.
169 (compute_subscript_distance): Static.
170 (initialize_data_dependence_relation): Static. Get the number
171 of loops surrounding the references from the callers, and initialize
172 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
173 base_object_differ_p analyzers.
174 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
175 compute_overlap_steps_for_affine_1_2,
176 analyze_subscript_affine_affine): Count the classified dependences.
177 Print a message when a test failed.
178 (can_use_analyze_subscript_affine_affine): New.
179 (analyze_siv_subscript): Compute the data dependences on symbolic
180 scevs that verify can_use_analyze_subscript_affine_affine.
181 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
182 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
183 Handle symbolic scevs.
184 (analyze_overlapping_iterations): Let symbolic affine scevs to be
186 (subscript_dependence_tester): Moved...
187 (build_classic_dist_vector, build_classic_dir_vector): Don't use
188 lambda_vector_clear on newly allocated vectors. Get nb_loops from
189 DDR_SIZE_VECT instead of getting it in parameter.
190 (subscript_dependence_tester): ... here. Take as a parameter
191 loop_nest_depth. Call build_classic_dist_vector and
192 build_classic_dir_vector.
193 (compute_affine_dependence): Update subscript_dependence_tester
194 parameters. Update datadep_stats counters. Call
195 compute_subscript_distance.
196 (compute_self_dependence): Save the dist and dir vectors. Call
197 compute_subscript_distance.
198 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
199 (compute_all_dependences): Reorder parameters as they were before
200 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
201 compute_subscript_distance. Update the use of
202 compute_affine_dependence and initialize_data_dependence_relation.
203 (find_data_references_in_loop): Handle COMPONENT_REF.
204 (compute_data_dependences_for_loop): Initialize dependence_stats.
205 Don't call build_classic_dist_vector and build_classic_dir_vector.
206 Update the parameters of initialize_data_dependence_relation and
207 compute_all_dependences. Print the statistics from datadep_stats.
208 (analyze_all_data_dependences): Static. Not used until the pass for
209 checking the data dependences is contributed.
210 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
211 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
212 (initialize_data_dependence_relation, compute_affine_dependence,
213 analyze_all_data_dependences, compute_subscript_distance): Removed.
214 (print_direction_vector): New.
215 * lambda.h (gcd): ... here.
216 (lambda_vector_gcd): Moved here from gcd_vector.
217 * lambda-code.c (gcd, gcd_vector): Removed.
218 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
219 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
221 2006-02-20 Diego Novillo <dnovillo@redhat.com>
223 * ipa-type-escape.c: Tidy some comments and white space.
224 * tree-ssa-operands.c: Likewise.
226 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
229 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
230 (dump_decl_name): Do not walk the decl tree chains.
231 * tree-pass.h (TDF_CHAIN): Remove.
233 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
235 * Makefile.in (C): Remove
237 (.PHONY): Remove C and PROTO
239 2006-02-20 Roger Sayle <roger@eyesopen.com>
242 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
243 deprecated CHAR_TYPE tree code.
245 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
247 * configure.ac (target_list): Add install-info, dvi, html.
248 * configure: Regenerate.
250 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
251 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
252 treelang/Make-lang.in: Do not use double-colon rules.
254 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
256 * tree.h (struct tree_memory_tag): Add is_used_alone member.
257 (TMT_USED_ALONE): New macro.
258 * tree-pass.h (PROP_tmt_usage): New property.
259 (TODO_update_tmt_usage): New todo.
260 * tree-ssa-alias.c (updating_used_alone): New variable.
261 (recalculate_used_alone): New function.
262 (compute_may_aliases): Set updating_used_alone, call
263 recalculate_used_alone.
264 * tree-sra.c (pass_sra): Note that this pass destroys
265 PROP_tmt_usage, and add TODO_update_tmt_usage.
266 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
267 * tree-flow.h (updating_used_alone): Prototype.
268 (recalculate_used_alone): Ditto.
269 * passes.c (execute_todo): Add code to set updating_used_alone,
270 and call recalculate.
271 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
272 for clobber if used alone, and add assert to verify used_alone
275 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
277 * config/s390/s390.c (legitimize_pic_address): Assertions checking
278 for non tls symbols added.
279 (legitimize_address): Do nothing for PLUS expressions if one of the
280 addends is a tls symbol reference.
282 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
286 * Makefile.in (LDFLAGS): Define from autoconf substitution.
288 * Makefile.in (BOOTSTRAPPING): New.
289 (quickstrap): New definition if BOOTSTRAPPING=yes.
291 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
292 * configure.ac: Substitute all_selected_languages with the languages
293 that were configured. For all the other variables except
294 lang_specs_files, include all the languages in the tree.
295 * configure: Regenerate.
297 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
298 if there is one. Run the commands to run fixincludes in the same
301 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
302 * doc/install.texi: Document exact conventions for searching target tools.
303 Document --with-build-time-tools. Document toplevel bootstrap. Document
304 something more about building an Ada cross-compiler. Don't list GNU Make
305 requirements which affect all platforms.
307 2006-02-19 Roger Sayle <roger@eyesopen.com>
310 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
311 only equivalent if the have both the same mode and precision.
313 2006-02-20 Ben Elliston <bje@au.ibm.com>
315 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
317 2006-02-19 Roger Sayle <roger@eyesopen.com>
318 Steven Bosscher <stevenb.gcc@gmail.com>
320 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
321 constant pool references to identify stack mode constants.
322 * rtlanal.c (constant_pool_constant_p): New predicate to check
323 whether operand is a floating point constant in the pool.
324 * rtl.h (constant_pool_constant_p): Prototype here.
325 * loop.c (scan_loop): Avoid hoisting constants from the constant
326 pool on STACK_REGS targets.
327 (load_mems): Likewise.
328 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
329 loads into x87 registers expensive in terms of register pressure.
331 2006-02-19 Roger Sayle <roger@eyesopen.com>
333 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
334 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
336 2006-02-19 David Edelsohn <edelsohn@gnu.org>
338 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
339 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
341 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
343 * doc/invoke.texi: Document -fipa-pta.
344 * common.opt: Add ipa-pta option.
345 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
346 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
347 (do_ds_constraint): Ditto.
348 (get_constraint_for): Only add to referenced_vars if
349 referenced_vars exists.
350 (insert_into_field_list): Rewrite to do this unsorted.
351 (insert_into_field_list_sorted): Rename old insert_into_field_list
353 (create_function_info_for): Use insert_into_field_list_sorted.
354 (create_variable_info_for): Rewrite so it uses unsorted version,
355 since the field list is sorted.
356 (intra_create_variable_infos): Only add to referenced_vars if
357 referenced_vars exists.
358 (ipa_pta_execute): Init heapvars, and delete when done.
359 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
361 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
363 * doc/install.texi: Add missing `@samp'.
365 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
367 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
370 2006-02-18 Mark Wielaard <mark@klomp.org>
372 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
373 who added new 4.1 features, bug fixes and integration support.
375 2006-02-18 David Edelsohn <edelsohn@gnu.org>
378 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
381 2006-02-18 Richard Sandiford <richard@codesourcery.com>
383 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
384 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
385 (copy_insn_1): Likewise. Don't copy each field individually.
387 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
389 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
390 * rtl.c (rtx_size): Rename variable to...
391 (rtx_code_size): ...this.
392 (rtx_size): New function.
393 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
394 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
396 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
397 * rtl.h (rtx_code_size): New variable.
398 (rtx_size): Change from a variable to a function.
399 (RTX_SIZE): Rename to...
400 (RTX_CODE_SIZE): ...this.
403 PR tree-optimization/17106
404 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
405 (Anchored Addresses): New section.
406 * doc/invoke.texi (-fsection-anchors): Document.
407 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
408 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
409 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
410 * hooks.c (hook_bool_mode_rtx_false): New function.
411 * hooks.h (hook_bool_mode_rtx_false): Declare.
412 * gengtype.c (create_optional_field): New function.
413 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
414 SYMBOL_REF_IN_BLOCK_P is true.
415 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
416 (min_anchor_offset, max_anchor_offset): Likewise.
417 (use_anchors_for_symbol_p): New hook.
418 * toplev.c (compile_file): Call output_object_blocks.
419 (target_supports_section_anchors_p): New function.
420 (process_options): Check that -fsection-anchors is only used on
421 targets that support it and when -funit-at-a-time is in effect.
422 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
423 if the decl doesn't have one.
424 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
425 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
426 of force_const_mem through use_anchored_address.
427 (expand_expr_constant): New function.
428 (expand_expr_addr_expr_1): Call it. Use the same modifier when
429 calling expand_expr for INDIRECT_REF.
430 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
431 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
432 * expr.h (use_anchored_address): Declare.
433 * loop-unroll.c: Don't declare rtx vectors here.
434 * explow.c: Include output.h.
435 (validize_mem): Call use_anchored_address.
436 (use_anchored_address): New function.
437 * common.opt (-fsection-anchors): New switch.
438 * varasm.c (object_block_htab, anchor_labelno): New variables.
439 (hash_section, object_block_entry_eq, object_block_entry_hash)
440 (use_object_blocks_p, get_block_for_section, create_block_symbol)
441 (use_blocks_for_decl_p, change_symbol_section): New functions.
442 (get_variable_section): New function, split out from assemble_variable.
443 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
444 use_blocks_for_decl_p say so. Use change_symbol_section if the
445 symbol has already been created.
446 (assemble_variable_contents): New function, split out from...
447 (assemble_variable): ...here. Don't output any code for
448 block symbols; just pass them to place_block_symbol.
449 Use get_variable_section and assemble_variable_contents.
450 (get_constant_alignment, get_constant_section, get_constant_size): New
451 functions, split from output_constant_def_contents.
452 (build_constant_desc): Create a block symbol if use_object_blocks_p
453 says so. Or into SYMBOL_REF_FLAGS.
454 (assemble_constant_contents): New function, split from...
455 (output_constant_def_contents): ...here. Don't output any code
456 for block symbols; just pass them to place_section_symbol.
457 Use get_constant_section and get_constant_alignment.
458 (force_const_mem): Create a block symbol if use_object_blocks_p and
459 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
460 (output_constant_pool_1): Add an explicit alignment argument.
461 Don't switch sections here.
462 (output_constant_pool): Adjust call to output_constant_pool_1.
463 Switch sections here instead. Don't output anything for block symbols;
464 just pass them to place_block_symbol.
465 (init_varasm_once): Initialize object_block_htab.
466 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
467 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
468 (place_block_symbol, get_section_anchor, output_object_block)
469 (output_object_block_htab, output_object_blocks): New functions.
470 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
471 (TARGET_ASM_OUT): Include it.
472 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
473 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
474 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
475 (TARGET_INITIALIZER): Include them.
476 * rtl.c (rtl_check_failed_block_symbol): New function.
477 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
478 (block_symbol, object_block): New structures.
479 (rtx_def): Add a block_symbol field to the union.
480 (BLOCK_SYMBOL_CHECK): New macro.
481 (rtl_check_failed_block_symbol): Declare.
482 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
483 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
484 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
485 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
486 * output.h (output_section_symbols): Declare.
487 (object_block): Name structure.
488 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
489 (default_use_anchors_for_symbol_p): Declare.
490 * Makefile.in (RTL_BASE_H): Add vec.h.
491 (explow.o): Depend on output.h.
492 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
493 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
494 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
495 (rs6000_use_blocks_for_constant_p): New function.
497 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
499 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
501 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
504 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
507 2006-02-18 Diego Novillo <dnovillo@redhat.com>
509 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
513 2006-02-18 Jakub Jelinek <jakub@redhat.com>
516 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
517 instead of DECL_REGISTER.
519 2006-02-18 Olivier Hainque <hainque@adacore.com>
522 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
524 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
527 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
528 * opth-gen.awk: Handle Var and InverseMask together.
529 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
530 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
531 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
532 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
534 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
535 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
536 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
537 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
538 LINUX_DYNAMIC_LINKER): Define.
539 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
540 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
542 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
543 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
544 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
546 (TARGET_C99_FUNCTIONS): Don't define.
547 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
548 GLIBC_DYNAMIC_LINKER.
549 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
550 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
551 GLIBC_DYNAMIC_LINKER64): Define.
552 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
553 LINUX_DYNAMIC_LINKER64.
554 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
556 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
558 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
560 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
561 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
562 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
564 and LINUX_DYNAMIC_LINKER32.
565 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
567 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
569 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
571 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
572 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
573 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
574 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
575 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
576 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
577 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
578 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
579 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
580 LINUX_DYNAMIC_LINKER): Define.
581 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
582 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
583 GLIBC_DYNAMIC_LINKER64): Define.
584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
585 LINUX_DYNAMIC_LINKER64.
586 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
587 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
588 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
589 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
590 LINUX_DYNAMIC_LINKER): Define.
591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
592 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
593 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
594 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
595 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
596 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
597 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
598 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
599 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
600 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
602 * doc/invoke.texi (-muclibc): Remove caveat about supported
605 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
607 * doc/cpp.texi (__TIMESTAMP__): Document.
609 2006-02-17 Roger Sayle <roger@eyesopen.com>
612 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
613 C is one less than the width of X (and related transformations).
614 * simplify_rtx.c (simplify_unary_operation_1): Transform
615 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
616 depending on STORE_FLAG_VALUE, were C is one less then the
619 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
621 Fix PR tree-optimization/26341
622 * tree-ssa-operands.c (add_virtual_operand): Remove assert
623 about NAME_MEMORY_TAG's.
625 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
628 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
629 with hardware float support, and software float support. Add fcpy
630 alternative to hardware patterns. Add alternatives to copy between
631 general and floating-point registers to the 32-bit pattern.
632 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
633 secondary reload to load a QI or HI mode constant into a floating
635 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
636 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
638 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
641 * config/rs6000/darwin.md (load_macho_picbase_si): Add
643 (load_macho_picbase_di): Likewise.
645 2006-02-16 Jeff Law <law@redhat.com>
647 * tree-vrp.c (set_value_range_to_nonnegative): New function.
648 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
649 (ssa_name_nonzero_p): Likewise.
650 (get_value_range): Return NULL if VRP is not running.
651 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
652 VRP routines do not discover a range.
653 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
654 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
655 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
656 (tree_expr_nonnegative_p): Similarly.
657 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
658 (restore_nonzero_vars_to_original_value): Remove.
659 (unsafe_associative_fp_binop): Remove.
660 (tree_ssa_dominator_optimize): Remove initialization and
661 finalization of nonzero_vars and nonzero_vars_stack.
662 (dom_opt_initialize_block): No longer push marker on
664 (dom_opt_finalize_block): No longer call
665 restore_nonzero_vars_to_original_value.
666 (record_equivalences_from_phis): No longer look for
667 nonzero PHI arguments.
668 (cprop_into_successor_phis): No longer propagate nonzero
669 property into PHI arguments. Lose unused argument. Caller
671 (record_equivalences_from_stmt): No longer record nonzero
672 values for SSA_NAMEs.
673 (lookup_avail_expr): No longer use nonzero_vars.
675 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
676 for sizetype when sizetype is unsigned.
678 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
680 PR rtl-optimization/25603
681 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
682 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
683 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
684 with new meaning of SETS.
686 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
691 * config/linux.opt: New file.
692 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
693 LINUX_DYNAMIC_LINKER): Define.
694 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
695 * config.gcc (*-*-linux*): Define extra_options.
696 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
697 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
698 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
699 GLIBC_DYNAMIC_LINKER.
700 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
701 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
702 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
704 * doc/invoke.texi (GNU/Linux Options): New section.
706 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
708 * config/sparc/sparc.md (setjmp): Rewrite.
710 (setjmp_64): Likewise.
712 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
714 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
717 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
719 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
722 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
724 PR rtl-optimization/26296
725 * Makefile.in (loop-invariant.c): Add except.h dependency.
726 * loop-invariant.c: Include except.h.
727 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
729 2005-02-16 Paul Brook <paul@codesourcery.com>
731 * reload1.c (emit_reload_insns): Invalidate dead input registers used
734 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
736 PR rtl-optimization/25636
737 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
738 when deciding whether an insn is an initializing insn.
740 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
742 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
743 (tree_code_size): Ditto.
744 * tree.h (struct tree_memory_tag): Remove parent_var.
745 (struct tree_struct_field_tag): New.
748 (union tree_node): Add sft member.
749 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
751 (create_sft): Add size and offset argument, set SFT_OFFSET and
753 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
754 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
755 * tree-flow-inline.h (get_subvar_at): Update for
757 (var_can_have_subvars): Ditto.
758 (overlap_subvar): Ditto.
759 * print-tree.c (print_node): Print out interesting things for
761 * tree-flow.h (struct subvar): Remove offset and size members.
762 * tree-ssa-operands.c (get_expr_operands): Update for
763 get_indirect_ref_operands changes.
764 (get_indirect_ref_operands): Call add_virtual_operand instead of
765 add_stmt_operand. Only recurse on base var if requested.
766 (access_can_touch_variable): New function.
767 (add_stmt_operand): Split virtual operand handling into ...
768 (add_virtual_operand): Here. Add offset, size, and for_clobber
769 arguments. Prune alias sets.
770 (add_call_clobber_ops): Call add_virtual_operand.
772 2006-02-15 Jakub Jelinek <jakub@redhat.com>
775 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
777 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
778 than TREE_CODE as index into omp_clause_num_ops array.
780 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
782 PR rtl-optimization/26184
783 * modulo-sched.c (generate_reg_moves): Free bitmap vector
785 * modulo-sched.c (sms_schedule): Free g_arr pointer.
786 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
787 must_precede, must_follow and tobe_scheduled.
790 * opts.c (common_handle_option): Free new_option pointer.
791 * df-core.c (df_analyze): Free postorder pointer.
793 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
795 * Makefile.in: Fix the examples about the use of stamps
797 2006-02-15 Michael Matz <matz@suse.de>
801 * stor-layout.c (layout_decl): Zero-width bitfields aren't
802 influenced by maximum_field_alignment or DECL_PACKED.
803 (update_alignment_for_field): Ditto.
804 (place_field): Ditto.
805 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
808 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
810 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
811 (debug_flow_info): Pass it.
812 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
813 * bb-reorder.c (reorder_basic_blocks): Likewise.
814 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
815 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
816 * flow.c (life_analysis, recompute_reg_usage): Likewise.
817 * gcse.c (gcse_main, bypass_jumps): Likewise.
818 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
819 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
820 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
821 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
822 * rtl.h (dump_flow_info): Adjust prototype.
823 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
824 * var-tracking.c (variable_tracking_main): Likewise.
825 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
826 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
829 2006-02-15 Marcin Dalecki <martin@dalecki.de>
831 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
834 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
836 PR tree-optimization/26209
837 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
838 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
840 * tree-cfg.c (replace_uses_by): Do not alter cfg.
842 2006-02-14 Roger Sayle <roger@eyesopen.com>
845 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
846 (X,Y) and the corresponding symmetry related transformations.
847 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
848 (X,Y) and its symmetry related transformations.
850 2006-02-14 Roger Sayle <roger@eyesopen.com>
852 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
855 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
857 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
859 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
862 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
863 support COMDAT group.
864 * configure: Regenerate.
866 2006-02-14 Roger Sayle <roger@eyesopen.com>
871 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
873 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
875 Fix PR tree-optimization/26260
877 * doc/invoke.texi (max-fields-for-field-sensitive): Document
879 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
880 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
881 * tree-ssa-structalias.c (create_variable_info_for): Use
882 MAX_FIELDS_FOR_FIELD_SENSITIVE.
884 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
886 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
888 * tree-ssa-loop-niter.c (number_of_iterations_ne,
889 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
890 of the ending condition.
891 * tree-ssa-loop-manip.c: Include params.h.
892 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
893 tree_unroll_loop): New functions.
894 * tree-pass.h (pass_loop_prefetch): Declare.
895 * loop.c (rest_of_handle_loop_optimize): Test for
896 -fprefetch-loop-arrays-rtl.
897 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
898 * timevar.def (TV_TREE_PREFETCH): New timevar.
899 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
900 pass_loop_prefetch): New.
901 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
902 (cleanup_tree_cfg_loop): Call scev_reset.
903 * common.opt (fprefetch-loop-arrays-rtl): Add.
904 * tree-ssa-loop-prefetch.c: New file.
905 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
906 (new_temp_expr_table): Initialize expr_vars.
907 (free_temp_expr_table): Cleanup expr_vars.
908 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
909 expressions from being merged into one.
910 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
911 (struct tree_niter_desc): Add control, bound and cmp fields.
912 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
914 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
915 (tree-cfgcleanup.o): Add SCEV_H dependency.
916 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
917 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
919 2006-02-14 Richard Guenther <rguenther@suse.de>
921 PR tree-optimization/26258
922 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
923 in PHI argument processing.
925 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
927 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
928 new expression in the requested machine mode.
930 2006-02-13 Roger Sayle <roger@eyesopen.com>
932 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
933 directly, instead let do_compare_rtx_and_jump handle this for us.
934 * expr.c (expand_expr_real_1): Likewise.
935 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
936 before do_jump_by_parts_greater.
937 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
938 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
940 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
942 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
944 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
946 PR rtl-optimization/26235
947 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
948 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
951 2006-02-13 Jeff Law <law@redhat.com>
953 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
956 2006-02-13 Jakub Jelinek <jakub@redhat.com>
959 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
960 twice if decl is a builtin. When trying again, call get_callee_fndecl
961 first to verify it is still a builtin.
963 2006-02-13 Geoffrey Keating <geoffk@apple.com>
965 * dwarf2out.c (base_type_die): Don't add AT_name here.
966 (subrange_type_die): Don't add AT_name here.
967 (modified_type_die): Rearrange code flow. Do add AT_name here.
969 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
971 PR rtl-optimization/26247
972 PR rtl-optimization/26248
973 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
975 2006-02-13 Richard Sandiford <richard@codesourcery.com>
977 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
978 * config/fixtfdi.c: Likewise.
979 * config/fixunstfdi.c: Likewise.
980 * config/floatditf.c: Likewise.
982 2006-02-13 Roger Sayle <roger@eyesopen.com>
985 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
986 into (X,C2) if C1 is a subset of the bits of C2. Transform
987 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
989 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
991 2006-02-13 Josh Conner <jconner@apple.com>
994 * varasm.c (function_section): Check for section name before
995 calling select_section on targets that define
996 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
997 unlikely_text_section instead of hot_function_section if
998 first_function_block_is_cold.
1000 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1003 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1007 PR rtl-optimization/26222
1008 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1009 after tree->rtl expansion.
1010 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1011 before passing it to emit_move_insn.
1013 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1015 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1017 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1018 Clarify documentation.
1019 * c-common.h (warn_write_strings): Remove.
1020 * c-common.c (warn_write_strings): Likewise.
1021 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1024 2006-02-12 Roger Sayle <roger@eyesopen.com>
1027 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1028 (do_jump_parts_zero_rtx): New function renamed from
1029 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1030 (do_jump_parts_equality_rtx): New function split out from
1031 do_jump_parts_equality. Old implementation renamed as above.
1032 Call do_jump_parts_zero_rtx if either operand is zero.
1033 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1034 do all of the heavy lifting.
1035 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1036 calling either do_jump_by_parts_greater_rtx or
1037 do_jump_by_parts_equality_rtx.
1038 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1039 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1040 moved to do_compare_rtx_and_jump, call it directly.
1041 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1042 mode argument. Call do_compare_rtx_and_jump.
1043 (emit_case_nodes): Update calls to do_jump_if_equal.
1045 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1047 PR rtl-optimization/26225
1048 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1050 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1052 PR rtl-optimization/26232
1053 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1055 2006-02-11 Jason Merrill <jason@redhat.com>
1058 * tree-inline.c (declare_return_variable): Just don't use the
1059 modify target if it's a gimple complex reg and the return slot
1062 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1064 * doc/contrib.texi: Update my entry.
1066 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1068 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1070 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1072 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1075 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1077 * doc/invoke.texi (-floop-optimize2): Removed.
1078 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1079 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1080 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1081 * common.opt (floop-optimize2): Removed.
1082 (fmove-loop-invariants): Enabled by default.
1084 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1086 * tree-if-conv.c (combine_blocks): Free the result of
1087 get_loop_exit_edges.
1089 2006-02-10 Jeff Law <law@redhat.com>
1091 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1093 PR tree-optimization/26213
1094 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1095 loop trying to follow SSA_NAME_VALUE chains.
1097 2006-02-10 Richard Guenther <rguenther@suse.de>
1099 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1100 deal with structures that end in implicitly variable sized arrays.
1102 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1104 PR rtl-optimization/24762
1105 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1108 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1110 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1111 (struct ivopts_data): Add regs_used field.
1112 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1113 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1114 instead of loop_data->regs_used;
1115 (free_loop_data): Do not free aux fields for loops.
1116 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1117 and tree_ssa_iv_optimize_finalize.
1119 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1121 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1123 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1126 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1127 computing the effective result type.
1129 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1132 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1133 (tree_overlaps_hard_reg_set): Declare.
1134 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1135 type and signature to match function type expected by walk_tree.
1136 (tree_overlaps_hard_reg_set): New function.
1137 (decl_conflicts_with_clobbers_p): Rename to:
1138 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1139 Use tree_overlaps_hard_reg_set. Changed caller.
1140 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1141 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1142 * cris.c (cris_md_asm_clobbers): Likewise.
1144 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1146 * reload1.c (emit_input_reload_insns): Delete code that tries to
1147 inherit using find_equiv_reg.
1149 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1151 * c-common.h (flag_const_strings): Don't declare.
1152 * c-common.c (flag_const_strings): Remove.
1153 * c.opt (fconst_strings): Remove.
1154 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1155 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1156 (c_common_init_options): Don't set flag_const_strings.
1157 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1159 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1161 * arm.md (tlobits_cbranch): New pattern.
1162 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1163 testing a single bit.
1165 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1168 * tree-ssa-pre.c (create_component_ref_by_pieces):
1169 Handle RETURN_DECL like VAR_DECL.
1171 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1174 * fold-const.c (fold_indirect_ref_1): Fold
1175 "*(foo *)&complexfoo" to "__real__ complexfoo"
1176 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1178 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1180 * tree-flow-inline.h (var_can_have_subvars):
1181 Volatile variables should not have subvariables.
1183 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1186 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1187 multiplying unsigned values.
1190 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1192 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1194 2006-02-08 Jason Merrill <jason@redhat.com>
1197 * tree.def: Elaborate on difference from MODIFY_EXPR.
1198 * doc/c-tree.texi (INIT_EXPR): Likewise.
1199 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1200 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1201 (gimplify_target_expr): Likewise.
1202 (gimplify_cond_expr): Remove target handling.
1203 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1204 (gimplify_expr): Clobber it here.
1205 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1206 Do return slot optimization if we have an INIT_EXPR.
1209 * tree-inline.c (declare_return_variable): Also clear
1210 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1213 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1216 * gimplify.c (gimplify_one_sizepos): Fix typo.
1218 2006-02-08 Jeff Law <law@redhat.com>
1220 PR tree-optimization/21417
1221 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1222 across a backedge if the control statement at the end of the
1223 block is data dependent on other statements in the same block.
1224 (record_temporary_equivalences_from_stmts): Remove over-conservative
1225 test for threading across backedges.
1227 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1228 control statement, handle all three special cases in the same
1229 manner as they all have the same desired solution. No longer
1230 special case edge flag updating when the post dominator is
1233 2006-02-08 Roger Sayle <roger@eyesopen.com>
1235 * tree.def (CHAR_TYPE): Remove.
1236 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1237 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1238 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1239 (gen_string_type_die): Delete unreachable function.
1241 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1242 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1243 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1244 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1245 * builtins.c (type_to_class): Likewise.
1246 * fold-const.c (fold_convert, build_range_check,
1247 merge_ranges): Likewise.
1248 * expr.c (count_type_elements): Likewise.
1249 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1250 * stor-layout.c (layout_type): Likewise.
1251 * ipa-type-escape.c (type_to_consider): Likewise.
1252 * gimplify.c (omp_firstprivatize_type_sizes,
1253 gimplify_type_sizes): Likewise.
1254 * explow.c (promote_mode): Likewise.
1255 * tree-sra.c (is_sra_scalar_type): Likewise.
1256 * varasm.c (output_constant): Likewise.
1257 * tree-inline.c (remap_type_1): Likewise.
1258 * convert.c (convert_to_pointer, convert_to_real,
1259 convert_to_integer, convert_to_complex): Likewise.
1261 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1263 * df-scan.c (df_def_record_1): A set destination may
1264 be a parallel regardless of mode.
1266 2006-02-08 Roger Sayle <roger@eyesopen.com>
1269 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1270 * config/mips/_tilib.c: Remove.
1271 * config/fixtfdi.c: New libgcc source file.
1272 * config/fixunstfdi.c: New source file.
1273 * config/floatditf.c: New source file.
1274 * config/floatunditf.c: New souce file.
1275 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1276 files above instead of config/mips/_tilib.c.
1277 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1279 2006-02-08 Jeff Law <law@redhat.com>
1281 PR tree-optimization/26169
1282 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1285 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1287 * df.h (DF_REG_SIZE): Return the length of the initialized
1290 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1292 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1293 __muldf3): Return a correctly signed zero.
1295 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1297 * passes.c (register_one_dump_file): Accept the current properties
1298 instead of pass number. Adjust call to dump_register. Remove
1300 (register_dump_files): Now a wrapper around...
1301 (register_dump_files_1): ... this one. Do not modify the pass
1303 (next_pass_1): Cosmetic fix.
1304 (execute_todo): Keep second parameter only. Use curr_properties
1305 instead of fetching it from the pass structure. Check and set
1307 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1308 instead of fetching it from the pass structure. Fix calls to
1309 execute_todo. Update curr_properties and initialize .vcg RTL dump
1310 after running the pass. Reset last_verified.
1311 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1313 (FIRST_AUTO_NUMBERED_DUMP): New.
1314 (dump_register): Remove "num" parameter, assign it within the
1316 (get_dump_file_name): Modify template for dumps.
1317 * tree-dump.h (dump_register): Adjust prototype.
1318 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1319 (PROP_trees): Add PROP_gimple_lomp.
1320 (TODO_set_props): New.
1321 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1322 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1323 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1325 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1327 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1328 (sparc64-*-linux*): Likewise.
1329 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1330 * config/sparc/t-linux: New file.
1331 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1332 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1333 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1334 -m32 -mlong-double-128.
1336 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1337 * config/alpha/t-linux: New file.
1338 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1340 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1341 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1342 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1343 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1344 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1345 (CPP_ARCH32_SPEC): Remove.
1347 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1349 PR tree-optimization/26145
1350 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1353 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1356 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1357 >= 240000 when generating code for SOM runtime.
1358 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1359 to $$dyncall when generating code for SOM runtime..
1361 2006-02-07 Dirk Mueller <dmueller@suse.com>
1364 * doc/invoke.texi (-Wsequence-point): Update documentation
1365 that -Wsequence-point is implemented for C++ as well.
1367 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1369 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1370 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1371 (LIB_SPEC): Likewise.
1372 * doc/invoke.texi (SPARC options): Document -pthread.
1374 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1376 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1379 2006-02-07 Roger Sayle <roger@eyesopen.com>
1381 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1382 Correct comment describing BOOLEAN_TYPE.
1384 2006-02-07 Dirk Mueller <dmueller@suse.com>
1386 * c.opt: C++ frontend supports -Wdiv-by-zero.
1387 * c-opts.c (c_common_handle_option): Remove dead case.
1389 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1391 * configure.ac (TLS assembler check): Do not enable TLS by
1392 default on SPARC/Solaris before version 10.
1393 * configure: Regenerate.
1395 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1397 * doc/invoke.texi (xl-compat): Document conversion and support
1400 2006-02-07 Jeff Law <law@redhat.com>
1402 * tree-vrp.c (find_conditional_asserts): Update comments.
1403 (simplify_stmt_for_jump_threading): New.
1404 (identify_jump_threads, finalize_jump_threads): New.
1405 (vrp_finalize): Call identify_jump_threads.
1406 (execute_vrp): Call finalize_jump_threads.
1407 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1408 (vrp_element, vrp_data, vrp_element_p): Remove.
1409 (vrp_hash_elt, vrp_variables_stack): Remove.
1410 (vrp_hash, vrp_eq, record_range): Remove.
1411 (simplify_cond_and_lookup_avail_expr): Remove.
1412 (extract_range_from_cond): Remove.
1413 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1414 (simplify_stmt_for_jump_threading): New.
1415 (dom_thread_across_edge): New wrapper.
1416 (tree_ssa_dominator_optimize): No longer initialize or
1417 finalize any of the VRP datastructures. Remove iteration
1418 step and simplify as a result of removal of iteration step.
1419 (pass_dominator): Perform a cfg cleanup after DOM.
1420 (dom_opt_finalize_block): Use the new common routines
1421 for threading jumps. Simplify stack management slightly.
1422 No longer need to unwind VRP state.
1423 (record_equivalences_from_incoming_edge): No longer record
1425 (eliminate_redundant_computations): No longer call
1426 simplify_cond_and_lookup_avail_expr.
1427 * tree-flow.h (potentially_threadable_block): Prototype.
1428 (thread_across_edge): Likewise.
1429 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1430 (tree-ssa-threadedge.o): Add dependencies.
1431 * tree-ssa-threadedge.c: New file.
1432 * passes.c (init_optimization_passes): Merge PHIs before
1433 calling VRP. Run VRP again late in the SSA optimization pipeline.
1435 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1437 * df-core.c (df_set_blocks): Do not dereference function pointers.
1438 (df_finish1): Likewise.
1439 (df_hybrid_search_forward): Likewise.
1440 (df_hybrid_search_backward): Likewise.
1441 (df_iterative_dataflow): Likewise.
1442 (df_analyze_problem): Likewise.
1443 (df_compact_blocks): Likewise.
1444 (df_dump): Likewise.
1445 * df-scan.c (df_rescan_blocks): Likewise.
1446 (df_record_entry_block_defs): Likewise.
1448 * genconditions.c (write_conditions): Guard the definition of
1449 'insn_conditions' with the check on GCC version.
1450 (write_writer): Guard the traversal 'insn_conditions' with
1451 the check on GCC version.
1453 2006-02-07 Richard Guenther <rguenther@suse.de>
1457 2006-01-30 Richard Guenther <rguenther@suse.de>
1459 * gimplify.c (gimplify_target_expr): Handle easy cases
1460 without creating a temporary.
1462 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1464 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1465 use of float in probability computations. Use edge probabilities
1466 in place of statically computed probabilities.
1467 (min_spec_prob): New static variable.
1468 (schedule_insns): Initialize it.
1469 (GET_SRC_PROB): Removed.
1470 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1472 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1475 * config/ia64/unwind-ia64.c: Revert last change.
1476 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1477 (INCOMING_FRAME_SP_OFFSET): Define.
1479 2006-02-06 Roger Sayle <roger@eyesopen.com>
1481 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1483 2006-02-07 Ben Elliston <bje@au.ibm.com>
1485 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1486 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1487 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1488 (ix86_return_in_memory): Handle TDmode.
1489 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1490 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1492 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1494 * reorg.c (dbr_schedule): Use dump_file instead of file.
1496 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1499 * config/ia64/predicates.md (extr_len_operand): New predicate.
1500 * config/ia64/ia64.md (extv): Tighten constraints.
1502 (*tbit_and_2): Ditto.
1503 (*tbit_and_3): Ditto.
1504 (*tbit_or_2): Ditto.
1505 (*tbit_or_3): Ditto.
1509 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1512 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1514 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1516 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1517 loop_optimizer_init and loop_optimizer_finalize
1518 * tree-ssa-sink.c (execute_sink_code): Ditto.
1519 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1520 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1521 tree_ssa_loop_done): Ditto.
1522 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1523 * sched-ebb.c: Include output.h.
1524 (schedule_ebbs): Do not use dump argument.
1525 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1526 * loop.c (loop_dump_stream): Removed.
1527 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1529 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1530 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1531 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1532 loop_iterations, strength_reduce, record_biv, record_giv,
1533 final_giv_value, check_final_value, check_ext_dependent_givs,
1534 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1535 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1536 dump_file instead of loop_dump_stream.
1537 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1539 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1541 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1542 * haifa-sched.c: Include output.h
1543 (schedule_insns, sched_init): Do not use dump argument.
1544 * mode-switching.c (optimize_mode_switching): Ditto.
1545 * modulo-sched.c (stats_file): Removed.
1546 (print_node_sched_params): Do not call argument dump_file.
1547 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1548 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1550 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1552 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1553 rtl_loop_init, rtl_loop_done): Ditto.
1554 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1555 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1557 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1558 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1559 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1560 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1561 * emit-rtl.c (renumber_insns): Ditto.
1562 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1563 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1564 * regclass.c (regclass): Ditto.
1565 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1566 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1567 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1568 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1570 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1571 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1573 * gcse.c (gcse_file, debug_stderr): Removed.
1574 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1575 rest_of_handle_gcse): Do not use dump argument.
1576 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1577 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1578 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1579 compute_code_hoist_vbeinout, compute_code_hoist_data,
1580 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1581 compute_store_table, build_store_vectors, insert_insn_start_bb,
1582 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1583 store_motion): Use dump_file instead of gcse_file.
1584 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1585 * profile.c (profile_dump_file): Removed.
1586 (branch_prob): Use dump_file instead of profile_dump_file.
1587 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1589 * tree-ssa-copy.c (dump_copy_of): Ditto.
1590 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1591 dump file to life_analysis.
1592 * bt-load.c (branch_target_load_optimize): Ditto.
1593 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1595 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1596 regclass, dbr_schedule): Declaration changed.
1597 * sched-int.h (sched_init): Declaration changed.
1598 * tree-profile.c (tree_profile_dump_file): Removed.
1599 (tree_profile_hooks): Removed profile_dump_file hook.
1600 * rtl-profile (rtl_profile_dump_file): Removed.
1601 (rtl_profile_hooks): emoved profile_dump_file hook.
1602 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1604 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1605 * tree-cfg.c (build_tree_cfg): Ditto.
1606 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1607 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1608 Declaration changed.
1609 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1610 life_analysis and schedule_insns.
1611 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1613 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1615 * config/mips/mips.c (mips_reorg): Ditto.
1616 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1619 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1621 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1622 (s390_mangle_fundamental_type): New.
1623 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1626 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1627 (alpha_mangle_fundamental_type): New.
1628 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1631 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1633 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1635 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1636 (sparc_mangle_fundamental_type): New.
1638 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1640 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1641 (s390x-*-linux*): Likewise.
1642 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1643 * config/s390/t-linux: New file.
1645 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1647 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1648 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1650 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1652 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1653 (ANTIC_SAFE_LOADS): New macro.
1654 (find_or_generate_expression): Add prototype.
1655 (set_contains_value): Allow null set for sake of not always having
1656 to allocate ANTIC_SAFE_LOADS.
1657 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1658 Allow COMPONENT_REF too.
1659 (valid_in_set): Allow COMPONENT_REF.
1660 Check ANTIC_SAFE_LOADS too.
1661 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1662 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1664 (can_PRE_operation): Add COMPONENT_REF.
1665 (create_component_ref_by_pieces): New function.
1666 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1667 (insert_aux): Move AGGREGATE_TYPE_P check here.
1668 (compute_avail): Set bb local stmt uids.
1669 (pass_pre): Use TODO_update_ssa_only_virtuals.
1671 2006-02-06 Ben Elliston <bje@au.ibm.com>
1673 * configure.ac: Unconditionally disable decimal float by default.
1674 * configure: Regenerate.
1676 2006-02-06 Ben Elliston <bje@au.ibm.com>
1678 * read-rtl.c (read_name): Terminate reading on EOF.
1680 2006-02-06 Ben Elliston <bje@au.ibm.com>
1682 * dfp.c (decimal_real_arithmetic): Change second argument type
1683 from int to enum tree_code. Do not always return true, but now
1684 return result of any call to decimal_do helper functions.
1685 * dfp.h (decimal_real_arithmetic): Update prototype.
1687 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1689 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1691 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1694 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1697 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1699 * tree-vrp.c (cfg_loops): Removed.
1700 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1701 Use current_loops instead of cfg_loops. Pass flags to
1702 loop_optimizer_init.
1703 * cfgloopmanip.c (fix_loop_structure): Update only available
1705 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1706 loop_optimizer_init.
1707 * modulo-sched.c (build_loops_structure): Removed.
1708 (sms_schedule): Use loop_optimizer_init.
1709 * loop-init.c (loop_optimizer_init): Use flags to determine
1710 which properties of loops to prepare.
1711 (rtl_loop_init): Pass flags to loop_optimizer_init.
1712 * tree-ssa-sink.c (execute_sink_code): Ditto.
1713 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1714 * tree-ssa-pre.c (init_pre): Ditto.
1715 * cfgloop.h (LOOPS_NORMAL): New.
1716 (loop_optimizer_init): Declaration changed.
1718 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1720 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1721 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1723 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1725 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1727 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1728 * pa/t-pa64: Delete quadlib.c rule.
1729 * pa/x-ada: Revert last change.
1730 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1732 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1734 PR rtl-optimization/26087
1735 * rtlanal.c (canonicalize_condition): Do not cross basic block
1738 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1741 * config/ia64/ia64.c: Include debug.h.
1742 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1743 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1744 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1745 (process_epilogue, process_set, process_for_unwind_directive):
1746 Output unwind info only if requested. Add CFA info if requested.
1747 Add new arguments as needed. Adjust callers.
1748 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1750 (DWARF2_FRAME_INFO): Define to zero.
1751 * config/ia64/unwind-ia64.c: Remove code that compensated for
1752 the CFA offset error fixed above.
1753 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1754 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1755 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1756 -funwind-tables and -fexceptions to enable frame info.
1757 (dwarf2out_frame_init): Define initial CFA even if
1758 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1759 DWARF2_UNWIND_INFO is nonzero, not just defined.
1760 (dwarf2out_frame_finish): Output non-EH call frame info only
1761 if DWARF2_FRAME_INFO is nonzero.
1762 (convert_cfa_to_loc_list,
1763 compute_frame_pointer_to_cfa_displacement): Define even if
1764 unwind info is not supported.
1765 (gen_subprogram_die): Use the above unconditionally. Remove
1766 legacy alternate code.
1767 * toplev.c (compile_file): Compile in call to
1768 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1769 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1771 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1772 Jakub Jelinek <jakub@redhat.com>
1774 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1775 IBM extended float format long double as "g" on powerpc*-linux.
1777 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1780 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1781 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1783 2006-02-03 Jason Merrill <jason@redhat.com>
1786 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1789 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1790 on the return slot if it's an NRV.
1792 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1794 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1795 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1796 rewrite_use): Do not handle USE_OUTER.
1797 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1798 add_iv_outer_candidates, may_replace_final_value,
1799 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1800 (find_interesting_uses_op): Functionality of
1801 find_interesting_uses_outer_or_nonlin moved here.
1802 (find_interesting_uses_outside): Use find_interesting_uses_op.
1804 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1807 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1809 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1810 Ulrich Weigand <uweigand@de.ibm.com>
1813 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1814 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1815 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1816 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1818 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1819 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1820 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1821 Define secondary reloads for TFmode moves.
1822 (constant_modes): Add TFmode.
1823 (NR_C_MODES): Set to 8.
1824 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1826 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1827 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1828 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1829 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1830 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1831 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1832 (FPR mode macro): Add TFmode.
1833 (DSF mode macro): New.
1834 (<de>, <dee> mode attributes): Removed.
1835 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1836 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1837 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1838 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1839 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1840 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1841 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1842 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1843 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1844 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1845 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1846 "*negabs<mode>2", "sqrt<mode>2"):
1847 Changed <de> to <xde>. R constraint replaced by <Rf>.
1848 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1850 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1851 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1852 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1854 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1855 "extenddftf2", "extendsftf2"): New expanders.
1856 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1857 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1858 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1859 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1861 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1862 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1863 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1864 __floatditf): Add a GCC_4.1.0 symbol version tag.
1865 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1868 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1871 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1872 Use targetm.binds_local_p instead of TREE_PUBLIC.
1874 2006-02-02 Roger Sayle <roger@eyesopen.com>
1876 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1877 on INTEGER_TYPEs to indicate that it denotes a character type.
1878 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1879 signed_char_type_node, unsigned_char_type_node and char_type_node.
1880 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1881 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1882 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1884 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1885 Daniel Berlin <dberlin@dberlin.org>
1887 * tree-tailcall.c (arg_needs_copy_p): New function.
1888 (eliminate_tail_call): Use arg_needs_copy_p.
1889 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1890 (add_virtual_phis): New function.
1892 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1894 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1895 #ignore instead of #scratch for %g7 .register directive.
1897 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1899 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1902 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1904 * flow.c (calculate_global_regs_live): Assert that there aren't any
1907 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1909 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1911 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1912 bsi_after_labels iterator.
1913 * tree-if-conv.c (find_phi_replacement_condition,
1914 replace_phi_with_cond_modify_expr): Likewise.
1915 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1916 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1918 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1920 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1922 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1925 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1926 array after growing it.
1928 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1931 * fold-const.c (fold_checksum_tree): Change type of buf.
1933 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1935 * reload.c (push_secondary_reload): Initialize t_icode.
1937 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1939 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1940 -msoft-float -mlong-double-128 only issue a warning, but don't
1941 swich to DFmode long double.
1943 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1945 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1946 has a constant equivalent, iterate over equivalents for arg0,
1947 calling simplify_relational_operation and if there's a result
1948 cheaper than X, apply fold_rtx and return the result.
1950 2006-02-01 Jan Hubicka <jh@suse.cz>
1952 * opts.c (no_unit_at_a_time_default): New global variable.
1953 (decode_options): Use it.
1954 * opts.h (no_unit_at_a_time_default): Declare.
1956 2006-02-01 Paul Brook <paul@codesourcery.com>
1958 * function.c (assign_parm_setup_reg): Use function argument promotion
1960 * expr.c (expand_expr_real_1): Use function argument promotion rules
1963 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1965 * gcc.c (process_command): Change j to 'unsigned int'.
1967 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1970 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1971 Use the corrected index for the character
1972 out of the string constant.
1974 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1976 * mode-switching.c (optimize_mode_switching): Fix size
1977 allocated for bb_info[n_entities].
1979 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1981 * gcc.c (main): Correct type that is allocated for
1982 explicit_link_files.
1984 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1986 * config/s390/s390.c (init_alignment_context): Set
1987 ALIAS_SET_MEMORY_BARRIER on the MEM.
1988 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1990 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1993 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1995 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1998 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2000 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2001 * regrename.c: Ditto.
2002 * tree-ssa-loop-im.c: Ditto.
2003 * tree-dump.c: Ditto.
2004 * tree-complex.c: Ditto.
2005 * genrecog.c: Ditto.
2006 * tree-ssa-threadupdate.c: Ditto.
2008 * java/class.c: Ditto.
2009 * java/jcf-parse.c: Ditto.
2010 * java/resource.c: Ditto.
2011 * java/except.c: Ditto.
2012 * java/jvspec.c: Ditto.
2013 * java/jcf-write.c: Ditto.
2014 * java/jcf-path.c: Ditto.
2015 * java/gjavah.c: Ditto.
2016 * java/zextract.c: Ditto.
2017 * java/jcf-io.c: Ditto.
2018 * java/jcf.h: Ditto.
2019 * java/buffer.c: Ditto.
2020 * java/lang.c: Ditto.
2021 * java/parse-scan.y: Ditto.
2022 * java/lex.c: Ditto.
2023 * java/lex.h: Ditto.
2024 * cfgloopmanip.c: Ditto.
2025 * postreload-gcse.c: Ditto.
2026 * tree-ssa-loop-manip.c: Ditto.
2027 * postreload.c: Ditto.
2028 * tree-ssa-loop-ch.c: Ditto.
2032 * diagnostic.c: Ditto.
2034 * genoutput.c: Ditto.
2036 * cfghooks.c: Ditto.
2037 * cfgloopanal.c: Ditto.
2038 * objc/objc-act.c: Ditto.
2040 * genextract.c: Ditto.
2041 * genautomata.c: Ditto.
2042 * pretty-print.c: Ditto.
2044 * cgraphunit.c: Ditto.
2047 * haifa-sched.c: Ditto.
2048 * dominance.c: Ditto.
2050 * tree-ssa-loop-ivopts.c: Ditto.
2052 * mode-switching.c: Ditto.
2053 * modulo-sched.c: Ditto.
2055 * ipa-pure-const.c: Ditto.
2057 * fix-header.c: Ditto.
2059 * tree-stdarg.c: Ditto.
2060 * ipa-utils.c: Ditto.
2061 * loop-init.c: Ditto.
2062 * ipa-inline.c: Ditto.
2065 * alloc-pool.c: Ditto.
2066 * dwarf2out.c: Ditto.
2068 * genattrtab.c: Ditto.
2069 * tree-ssa-loop-ivcanon.c: Ditto.
2073 * fortran/gfortranspec.c: Ditto.
2075 * local-alloc.c: Ditto.
2076 * langhooks.c: Ditto.
2077 * function.c: Ditto.
2078 * tree-vectorizer.c: Ditto.
2080 * ipa-type-escape.c: Ditto.
2082 * tree-if-conv.c: Ditto.
2085 * tree-data-ref.c: Ditto.
2086 * loop-unroll.c: Ditto.
2087 * treelang/treetree.c: Ditto.
2090 * ggc-common.c: Ditto.
2092 * coverage.c: Ditto.
2094 * tree-cfgcleanup.c: Ditto.
2095 * tree-ssa-pre.c: Ditto.
2096 * cfgcleanup.c: Ditto.
2097 * loop-invariant.c: Ditto.
2099 * ipa-prop.c: Ditto.
2100 * print-tree.c: Ditto.
2101 * conflict.c: Ditto.
2102 * ggc-page.c: Ditto.
2103 * sched-deps.c: Ditto.
2104 * regclass.c: Ditto.
2105 * tree-object-size.c: Ditto.
2107 * bb-reorder.c: Ditto.
2108 * resource.c: Ditto.
2109 * var-tracking.c: Ditto.
2111 * df-problems.c: Ditto.
2112 * reg-stack.c: Ditto.
2115 * sched-rgn.c: Ditto.
2116 * tree-ssa-structalias.c: Ditto.
2117 * tree-ssa-reassoc.c: Ditto.
2118 * config/darwin-c.c: Ditto.
2119 * config/darwin.c: Ditto.
2120 * config/arm/arm.c: Ditto.
2122 * collect2.c: Ditto.
2125 2006-01-31 Nicolas Pitre <nico@cam.org>
2127 * arm.md (smaxsi3): Make aware of smax_m1.
2130 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2132 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2134 2006-01-31 Richard Guenther <rguenther@suse.de>
2136 * doc/invoke.texi (-msselibm): Document.
2137 * target.h (expand_library_builtin): New target hook.
2138 * builtins.c (expand_builtin): Use expand_library_builtin.
2139 (default_expand_library_builtin): New function.
2140 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2141 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2142 (link_gcc_math_spec): Declare.
2143 (static_specs): Add link_gcc_math_spec.
2144 * expr.h (default_expand_library_builtin): Declare.
2145 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2146 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2147 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2148 * config/i386/i386.opt (msselibm): New target option.
2149 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2150 (ix86_init_sse_abi_builtins): New function.
2151 (ix86_expand_library_builtin): Likewise.
2152 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2153 (override_options): Handle error conditions wrt -msselibm.
2154 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2155 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2156 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2159 2006-01-31 Richard Guenther <rguenther@suse.de>
2160 Paolo Bonzini <bonzini@gnu.org>
2162 * doc/install.texi (--disable-libgcc-math): Document.
2164 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2166 * expr.h (expand_normal): new inline function.
2167 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2169 * dwarf2out.c: use it.
2174 * config/sparc/sparc.c: use it.
2175 * config/i386/i386.c: use it.
2176 * config/rs6000/rs6000.c: use it.
2177 * config/arm/arm.c: use it.
2178 * config/mips/mips.c: use it.
2179 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2181 2006-01-30 Roger Sayle <roger@eyesopen.com>
2183 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2184 argv to the appropriate type.
2186 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2188 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2191 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2194 * config/s390/s390.c (struct machine_function): New flag
2195 decomposed_literal_pool_addresses_ok_p.
2196 (s390_reorg): Set it before final stage of literal pool transforms.
2197 (s390_decompose_address): Only accept displacements of the form
2198 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2200 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2202 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2203 the comparison routine return.
2205 2006-01-30 Michael Matz <matz@suse.de>
2207 * global.c (find_reg): Only evict for global regs.
2208 Take n_refs into account and dump more info.
2210 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2213 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2214 (pragma_trap, pragma_nosave_low_regs): Likewise.
2215 (current_function_anonymous_args): Likewise.
2216 (sh_deferred_function_attributes): New variable.
2217 (sh_deferred_function_attributes_tail): Likewise.
2218 (print_operand): For '@', look up trap_exit attribute.
2219 (calc_live_regs): Look up trapa_handler attribute. For trapa
2220 handlers, save/restore fpscr, but don't do any other
2221 interrupt-specific saves.
2222 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2223 Fix check for partially saved registers to check for SHmedia.
2224 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2225 (sh_output_function_epilogue): Don't clear any of the removed
2227 (sh_insert_attributes): Don't check pragma_interrupt.
2228 Insert deferred attributes. Check that interrupt attribute is
2229 present for other attributes that require its presence.
2230 (sh_attribute_table): Add new attributes trapa_handler and
2232 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2233 Don't check for pragma_interrupt. Don't store argument.
2234 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2235 (sh_deferred_function_attributes): Declare.
2236 (sh_deferred_function_attributes_tail): Likewise.
2237 * sh.md (sp_switch_1): Add operand. Change generator caller.
2238 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2239 (*return_i): Don't use when trap_exit attribute is in effect.
2240 (*return_trapa): New insn pattern.
2242 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2243 setting c_target_objs and cxx_target_objs.
2244 * t-sh: Add rule for sh-c.o.
2246 2006-01-30 Richard Guenther <rguenther@suse.de>
2249 * gimplify.c (gimplify_target_expr): Handle easy cases
2250 without creating a temporary.
2252 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2254 * vec.h (safe_grow): Remove duplicated line.
2256 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2259 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2260 (expand_omp): ... here.
2261 (expand_omp_parallel): Only remove barriers for combined
2262 parallel+workshare constructs.
2264 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2268 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2269 * tree.c (build_qualified_type): Chain the new type to the original
2270 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2271 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2272 (build_pointer_type_for_mode): Only return unqualified types.
2273 (build_reference_type_for_mode): Likewise.
2275 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2277 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2278 * Makefile.in (CXX_COMPAT_WARN): Define.
2279 * configure: Regenerate.
2281 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2284 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2287 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2289 * toplev.c: Fix thinko.
2291 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2292 Marcin Dalecki <martin@dalecki.de>
2294 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2295 (push_srcloc): Use XNEW.
2296 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2298 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2300 * df-core.c (df_set_blocks): Deleted all variable.
2302 2006-01-28 Ian Lance Taylor <ian@airs.com>
2304 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2305 cgraph_output_pending_asms.
2307 2006-01-28 Zack Weinberg <zackw@panix.com>
2309 * c.opt: Add -W(no-)overlength-strings.
2310 * doc/invoke.texi: Document it.
2311 * c-opts.c (c_common_handle_option): -pedantic implies
2312 -Woverlength-strings, if not explicitly disabled already.
2313 (c_common_post_options): -Woverlength-strings defaults to off, and
2314 is always off for C++.
2315 * c-common.c (fix_string_type): Issue warning about strings longer
2316 than is portable only if warn_overlength_strings. Rearrange code
2317 a little for clarity.
2318 * configure.in: Check for -Wno-overlength-strings as well before
2319 enabling -pedantic in stage 1.
2320 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2321 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2323 * genconditions.c (write_header, write_one_condition)
2324 (write_conditions, write_writer): Consolidate very long strings
2325 that were broken up to fit in C89 portable limit. Don't use
2326 printf when fputs will do.
2328 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2330 * combine.c (simplify_comparison <AND>): Check
2331 TRULY_NOOP_TRUNCATION before start using a subreg.
2333 * config/mips/mips.md (*branch_zero<mode>,
2334 *branch_zero<mode>_inverted, *branch_equality<mode>,
2335 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2336 Remove mode check from comparisons.
2338 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2340 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2342 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2344 * expmed.c (const_mult_add_overflow_p): Remove.
2345 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2347 * recog.c (validate_replace_rtx_subexp): Remove.
2348 * recog.h: Remove the prototype for
2349 validate_replace_rtx_subexp.
2351 * integrate.h: Remove the prototype for
2352 copy_decl_for_inlining.
2353 * rtl.h: Remove the prototype for mark_constant_function.
2354 * tree-vectorizer.h: Remove the prototype for
2355 vect_strip_conversion.
2357 * modulo-sched.c (create_partial_schedule,
2358 free_partial_schedule, reset_partial_schedule): Make them
2361 * hooks.c (hook_bool_rtx_int_false): Remove.
2362 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2364 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2366 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2367 and -mlong-double-128 are incompatible.
2368 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2369 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2370 (TARGET_LIBGCC2_CFLAGS): Define.
2371 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2372 (TARGET_LIBGCC2_CFLAGS): Same.
2373 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2375 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2378 * c-typeck.c (build_binary_op): Perform implicit casts of
2379 operands before shortening them.
2381 * cfgloopmanip.c (split_loop_bb): Remove.
2382 * cfgloop.h: Remove the prototype for split_loop_bb.
2384 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2385 * cfgloop.h: Remove the prototype for
2386 flow_loop_outside_edge_p.
2388 * emit-rtl.c (init_virtual_regs): Make it static.
2389 * function.h: Remove the prototype for init_virtual_regs.
2391 * recog.c (peephole2_optimize): Make it static.
2392 * recog.h: Remove the prototype for peephole2_optimize.
2394 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2396 * df-scan.c (df_record_entry_block_defs): Check if
2397 INCOMING_RETURN_ADDR_RTX is defined.
2399 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2400 Kenneth Zadeck <zadeck@naturalbridge.com>
2402 PR rtl-optimization/24762
2403 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2404 * targhooks.c (hook_void_bitmap): New hook prototype.
2405 * targhoohs.h (hook_void_bitmap): Ditto.
2406 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2407 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2408 * target.h (live_on_entry): New function pointer.
2409 * df-scan.c (df_all_hard_regs): Removed.
2410 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2411 (df_scan_free_internal): Added df->entry_block_defs.
2412 (df_scan_alloc): Ditto.
2413 (df_scan_dump): Ditto.
2414 (df_uses_record): Plumbed flag field properly thru calls.
2415 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2416 This part fixes PR24762.
2417 (df_bb_refs_record): Added code to make the frame and arg
2418 pointers live in EH blocks.
2419 (df_refs_record): Added call to df_record_entry_block_defs.
2420 (df_record_entry_block_defs): New function.
2421 * df-core.c: Added comments to describe new artifical defs.
2422 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2423 (entry_block_defs): New field in struct df.
2424 (df_all_hard_regs): Deleted.
2425 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2426 * df-problems.c (df_ru_bb_local_compute_process_def):
2427 Added code to handle artifical defs in the entry to a function.
2428 (df_ru_bb_local_compute): Ditto.
2429 (df_rd_bb_local_compute_process_def): Ditto.
2430 (df_rd_bb_local_compute): Ditto.
2431 (df_lr_bb_local_compute): Ditto.
2432 (df_ur_bb_local_compute): Ditto.
2433 (df_urec_bb_local_compute): Ditto.
2434 (df_chain_create_bb): Ditto.
2435 (df_ur_local_finalize): Removed entry.
2436 (df_urec_init): Ditto.
2437 (df_urec_local_finalize): Ditto.
2438 (df_ri_bb_compute): Added detection of last use of pseudos.
2439 * Makefile.in (df-scan.o): Updated dependencies.
2440 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2441 * config/mips/mips.c (mips_set_live_on_entry): Added.
2442 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2444 * dce.c (marked_insn_p): Added code to handle artifical defs.
2446 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2448 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2450 (_mm_cvtsi128_si64): Likewise.
2451 (_mm_cvtsd_si64): Likewise.
2452 (_mm_cvttsd_si64): Likewise.
2453 (_mm_cvtsi64_sd): Likewise.
2454 (_mm_cvtsi64_si128): Likewise.
2455 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2456 (_mm_cvtsi64_m64): Likewise.
2457 (_m_to_int64): Likewise.
2458 (_mm_cvtm64_si64): Likewise.
2459 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2460 (_mm_cvttss_si64): Likewise.
2461 (_mm_cvtsi64_ss): Likewise.
2462 (_mm_cvtss_f32): Likewise.
2464 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2466 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2467 for pragma redefine_extname.
2469 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2472 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2473 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2474 -mno-minimal-toc to previous content.
2475 (bispecs): Remove goal.
2476 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2477 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2478 compatibility aliases on powerpc-*-*gnu*.
2479 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2480 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2481 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2482 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2483 (ldblspecs): New goal.
2484 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2485 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2487 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2488 L_sf_to_tf or L_df_to_tf is defined.
2490 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2491 Alan Modra <amodra@bigpond.net.au>
2494 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2495 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2496 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2497 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2498 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2499 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2500 (rs6000_override_options): Initialize rs6000_ieeequad.
2501 Initialize TFmode format to ibm_extended_format if not
2503 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2505 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2506 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2507 (function_arg_advance): IBM long double passed in two FPRs, not
2509 (function_arg): IBM long double passed in FPRs.
2510 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2511 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2512 Only multireg GPR aligned.
2513 (rs6000_init_libfuncs): Enable IBM long double functions if not
2515 (rs6000_generate_compare): Use IBM long double compare if not
2517 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2518 (TARGET_IEEEQUAD): Define.
2519 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2520 not TARGET_IEEEQUAD.
2521 * config/rs6000/rs6000.md: Enable TFmode patterns if
2523 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2524 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2525 and -mlong-double-128 are incompatible.
2526 * doc/invoke.texi (-mabi): Collect options together. Add
2527 ibmlongdouble and ieeelongdouble.
2529 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2531 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2533 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2534 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2535 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2536 * rtl.h (rtunion_def): Remove rt_ptr.
2538 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2539 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2540 * config/i386/winnt.c (i386_pe_mark_dllexport)
2541 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2543 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2545 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2547 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2551 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2552 pthread_key_delete. From John David Anglin. gthrw-ify
2553 pthread_getunique_np only if it it's not a macro. Delete
2555 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2556 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2557 __gthread_objc_condition_signal, __gthread_key_delete): Add
2558 "__attribute__ ((__unused__))" to unused arguments.
2559 (__gthread_recursive_mutex_init_function): Add missing return.
2560 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2561 gthr-posix95.h: Use macro-based approach for name redirection
2562 on targets missing weakref.
2564 2006-01-26 Zack Weinberg <zackw@panix.com>
2566 * genconditions.c (write_header): In generated code, #ifdef out
2567 all includes and fake declarations, except includes of bconfig.h
2568 and system.h, unless GCC_VERSION >= 3001. Do not include
2569 gensupport.h in any case.
2570 (write_conditions): Generate a definition of struct c_test. Add
2571 a comment to the generated #endif.
2572 (write_one_condition): Escape backslashes in string too.
2573 (write_writer): Generated code must escape backslashes and quote
2574 marks (but not newlines) in the strings it writes.
2575 * Makefile.in (build/gencondmd.o): Update dependencies.
2577 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2580 * Makefile.in (insn-automata.o): Add header file dependencies.
2581 * genautomata.c: Add includes.
2583 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2586 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2588 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2590 * configure.ac: Expect target tools paths to be passed from the toplevel
2591 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2593 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2595 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2598 * c.opt (Wpointer-sign): Init to -1.
2599 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2600 OPT_pedantic, to 0 otherwise.
2601 * doc/invoke.texi: Update.
2603 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2605 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2606 constants provided by 80387 instructions in the destination mode.
2608 2006-01-26 Richard Guenther <rguenther@suse.de>
2609 Andrew Pinski <pinskia@physics.uc.edu>
2612 partial PR tree-opt/17064
2613 * tree-ssa-structalias.c (intra_create_variable_infos):
2614 Create heap variables for incoming parameters if
2615 flag_argument_noalias > 1.
2616 (find_what_p_points_to): Look through default defs of
2619 2006-01-26 Jeff Law <law@redhat.com>
2622 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2623 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2624 within the VR_RANGE, use the VR_RANGE as the result, not the
2626 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2627 bounds for the type.
2629 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2631 * tree-ssa-alias.c (maybe_create_global_var): Change
2632 subvar walking to an assertion that we don't have subvar'd variables.
2634 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2637 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2638 Use a new variable, inner. PARM_DECLs are always non-weak.
2640 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2642 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2645 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2647 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2649 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2651 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2652 (smax_insn, smin_insn, smax_0, smin_0): New.
2654 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2657 * config/cris/cris.c (cris_order_for_addsi3): New function.
2658 * config/cris/cris-protos.h: Prototype it.
2659 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2660 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2661 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2662 (split for "op.S1 [rx=rx+i],ry (swapped)")
2663 (split for "op(s|u).S1 [rx=rx+i],ry")
2664 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2665 Apply cris_order_for_addsi3 when generating addsi3 insns.
2667 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2669 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2670 (TREE_BLOCK): Add call to EXPR_CHECK.
2672 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2675 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2676 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2677 (dump_omp_clauses): ... here.
2678 (dump_generic_node): Handle OMP_CLAUSE.
2679 * tree.c (omp_clause_num_ops): New.
2680 (omp_clause_code_name): New.
2681 (tree_code_size): Handle OMP_CLAUSE.
2682 (tree_size): Likewise.
2683 (make_node): Document handling of OMP_CLAUSE.
2684 (tree_node_structure): Handle OMP_CLAUSE.
2685 (omp_clause_check_failed): New.
2686 (omp_clause_range_check_failed): New.
2687 (omp_clause_operand_check_failed): New.
2688 (build_omp_clause): New.
2689 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2690 * tree.h (enum omp_clause_code): Declare.
2691 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2692 (OMP_CLAUSE_RANGE_CHECK): Define.
2693 (OMP_CLAUSE_ELT_CHECK): Define.
2694 (omp_clause_check_failed): Declare.
2695 (omp_clause_operand_check_failed): Declare.
2696 (omp_clause_range_check_failed): Declare.
2697 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2698 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2699 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2700 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2701 (OMP_CLAUSE_IF_EXPR): Likewise.
2702 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2703 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2704 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2705 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2706 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2707 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2708 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2709 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2710 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2711 (OMP_CLAUSE_CODE): Define.
2712 (OMP_CLAUSE_SET_CODE): Define.
2713 (OMP_CLAUSE_CODE): Define.
2714 (OMP_CLAUSE_OPERAND): Define.
2715 (struct tree_omp_clause): Declare.
2716 (union tree_node): Add field 'omp_clause'.
2717 * treestruct.def (TS_OMP_CLAUSE): Define.
2718 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2719 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2720 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2721 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2722 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2723 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2724 (OMP_CLAUSE): Define.
2725 * print-tree.c (print_node): Handle OMP_CLAUSE.
2726 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2727 * c-typeck.c: Likewise.
2728 * gimplify.c: Likewise.
2729 * c-omp.c: Likewise.
2730 * tree-nested.c: Likewise.
2731 * tree-inline.c: Likewise.
2732 * c-parser.c: Likewise.
2733 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2736 2006-01-25 Roger Sayle <roger@eyesopen.com>
2738 PR rtl-optimization/25703
2739 * combine.c (try_combine): Handle zero_extract and strict_low_part
2740 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2742 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2744 * global.c: Fix comment typos.
2746 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2749 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2750 Use output_addr_const instead of assemble_name.
2752 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2754 * Makefile.in (sched-vis.o): Update dependencies.
2755 * haifa-sched.c (sched_finish): Clear current_sched_info.
2756 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2757 (dump_flow_info): Call it.
2758 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2760 * basic-block.h (dump_bb_info): Declare.
2761 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2762 option, and apply options only for dump files whose TDF_RTL,
2763 TDF_TREE, or TDF_IPA bits match.
2764 * rtl.h: Declare new functions exported from sched-vis.c.
2765 * sched-vis.c: Enable also if scheduling is not used.
2766 (print_value): Print the mode of registers if not inside scheduling.
2767 (print_insn): Make it work outside the scheduler. Beautify the output
2769 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2771 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2773 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2774 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2775 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2776 depending on the value of CONSTANT_POOL_ADDRESS_P.
2777 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2779 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2780 rather than SYMBOL_REF_DECL.
2781 (rtx_constant_pool): Remove const_rtx_sym_htab.
2782 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2783 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2784 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2785 Remove handling of const_rtx_sym_htab.
2786 (find_pool_constant): Delete.
2787 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2788 rather than find_pool_constant.
2789 (get_pool_constant_for_function): Delete.
2790 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2792 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2793 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2794 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2795 (SYMBOL_REF_CONSTANT): New macro.
2796 (get_pool_constant_for_function): Delete.
2797 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2798 rather than SYMBOL_REF_DECL.
2799 (i386_pe_mark_dllimport): Likewise.
2800 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2801 rather than SYMBOL_REF_DECL.
2802 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2803 (machopic_indirect_call_target): Likewise.
2805 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2807 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2809 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2811 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2813 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2815 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2817 2006-01-24 David Daney <ddaney@avtrex.com>
2820 * configure.ac (enable_tls): New enable option.
2821 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2822 * configure: Regenerate.
2823 * doc/install.texi (--enable-tls): Document new option.
2824 (--disable-tls): Ditto.
2826 2006-01-24 Richard Henderson <rth@redehat.com>
2828 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2829 * alias.c (true_dependence): Respect it.
2830 (canon_true_dependence, write_dependence_p): Likewise.
2831 * builtins.c (get_builtin_sync_mem): Set it.
2833 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2835 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2838 2006-01-24 DJ Delorie <dj@redhat.com>
2840 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2841 for storing constants in single-bit bitfields.
2843 2006-01-25 Ben Elliston <bje@au.ibm.com>
2845 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2847 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2850 * tree-ssa-pre.c (phi_translate): Return NULL
2851 for AGGREGATE_TYPE's.
2853 2006-01-24 Zack Weinberg <zackw@panix.com>
2855 * genautomata.c (process_state_for_insn_equiv_partition):
2856 Use xcalloc for insn_arcs_array.
2857 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2858 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2860 2006-01-24 Richard Henderson <rth@redhat.com>
2862 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2865 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2867 PR rtl-optimization/25890
2868 PR rtl-optimization/25905
2869 * combine.c (expand_compound_operation, expand_field_assignment):
2870 Fail if the bitfield's final position is out of bounds.
2872 2006-01-24 Ian Lance Taylor <ian@airs.com>
2875 * cgraphunit.c (cgraph_output_in_order): Don't clear
2876 cgraph_asm_nodes until after asm strings have been output.
2878 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2880 * fix-header.c (read_scan_file): Add new parameter imultilib when
2881 calling register_include_chains.
2883 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2885 * omp-low.c: Update documentation.
2887 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2888 Daniel Berlin <dberlin@dberlin.org>
2892 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2893 return from the function.
2895 2006-01-22 Zack Weinberg <zackw@panix.com>
2897 * rtl.def (match_code): Add second argument.
2898 * genpreds.c (write_extract_subexp): New function.
2899 (write_match_code): Add path argument. Use write_extract_subexp.
2900 (write_predicate_expr): Pass path to write_match_code.
2901 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2902 not perform a mode test.
2903 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2904 a subexpression does not constrain the top-level code set.
2905 * read-rtl.c (read_rtx_variadic): New function.
2906 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2907 * doc/md.texi: Document new notation.
2908 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2909 (cmpsi_operand): ... here, using new notation.
2911 2006-01-22 Zack Weinberg <zackw@panix.com>
2913 * varray.c: Remove GENERATOR_FILE #ifdefs.
2915 2006-01-22 Zack Weinberg <zackw@panix.com>
2917 * genautomata.c (output_reserved_units_table): Emit nothing if
2918 description->query_units_num is zero. Remove extra blank line.
2919 (output_cpu_unit_reservation_p): Short circuit
2920 if description->query_units_num is zero.
2922 2006-01-22 Zack Weinberg <zackw@panix.com>
2924 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2925 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2926 nor any of the random handful of variables that used to be necessary
2927 when this program was linked with rtlanal.o. Prune set of forward
2928 function declarations.
2929 (struct attr_desc): Remove static_p field.
2930 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2931 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2932 (attr_string): Do not read the character one past the length of
2934 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2935 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2936 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2937 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2938 (make_automaton_attrs): New.
2939 (main): Do not call into genautomata. Call local gen_bypass
2940 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2941 Remove special case for insn_alts.
2942 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2943 varray.h (leftover from previous change). Prune set of forward
2944 function declarations. Remove state_alts fields from all
2945 structures. Remove state_alts_table from struct automaton.
2946 Make everything except main static. Do not maintain num_dfa_decls.
2947 Do not maintain state_alts fields of various structures.
2948 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2949 (add_arc): Remove state_alts argument. All callers updated.
2950 (output_reserved_units_table): Emit #ifdef here...
2951 (output_tables): ...not here. Don't generate state_alts tables.
2952 (expand_automata): Don't generate attributes.
2953 (write_automata): Don't generate state_alts functions.
2954 (main): New function.
2955 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2956 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2957 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2958 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2959 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2960 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2961 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2962 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2964 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2965 * genattrtab.h: Delete file.
2966 * Makefile.in (OBJS-common): Add insn-automata.o.
2967 (insn-automata.o): New rule.
2968 (simple_generated_c): Add insn-automata.c.
2969 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2970 (genprogmd): Add automata.
2971 (build/genattrtab): Needs no extra objects nor libraries.
2972 (build/genautomata): Needs build/vec.o and -lm.
2974 2006-01-22 Zack Weinberg <zackw@panix.com>
2976 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2977 (output_dfa_max_issue_rate, locked_states_num): Delete.
2978 (struct automaton): Add locked_states field.
2979 (output_dead_lock_vect): Save number of locked states in
2980 automaton->locked_states. If it is zero, don't print anything.
2981 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2982 (output_internal_dead_lock_func): Only test the dead_lock_vect
2983 for automata that have locked states.
2984 (output_statistics): Always print the number of locked states for
2985 each automaton. Calculate total number of locked states here.
2986 (write_automata): Don't call output_dfa_max_issue_rate.
2987 * genattrtab.c: Define length_unit_log as a const variable.
2988 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2989 max_insn_queue_index const.
2990 * final.c (length_unit_log): Declare const.
2991 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2993 2006-01-22 Zack Weinberg <zackw@panix.com>
2995 * genautomata.c: Include vec.h, not varray.h.
2996 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2997 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2998 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2999 VEC_* macros operating on appropriately typed vectors, or to
3000 malloced arrays when the size is known in advance. Const-ify
3001 many char* variables and function arguments. No functional changes.
3002 * Makefile.in (build/varray.o): Delete rule.
3003 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3004 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3006 2006-01-22 Zack Weinberg <zackw@panix.com>
3008 * gensupport.c: Define get_insn_name and record_insn_name here.
3009 (read_md_rtx): Call record_insn_name as appropriate.
3010 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3011 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3012 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3014 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3015 (BUILD_VARRAY): Delete.
3016 (genprognormal): Rename genprogmd. Fold in all programs from
3017 genprognoprint; also attrtab.
3018 (build/genattrtab): Just mention genautomata.o and varray.o.
3019 Reorganize a bit, add comments to make the categories clearer.
3021 2006-01-22 Zack Weinberg <zackw@panix.com>
3023 * genconditions.c (condition_table, add_condition): Delete.
3024 (write_conditions): Don't emit n_insn_conditions nor
3025 insn_elision_unavailable. Issue the gcc version #ifdef here,
3026 inside the table, with no #else clause ...
3027 (write_header): ...not here.
3028 (write_writer): New function.
3029 (main): Don't initialize condition_table. Use add_c_test.
3031 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3032 files on the command line.
3033 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3034 Return -1 if there is no entry in the table, don't abort.
3035 (add_c_test, traverse_c_tests): New functions.
3036 * gensupport.h (insn_elision_unavailable, insn_conditions)
3037 (n_insn_conditions): Delete declarations.
3038 (add_c_test, traverse_c_tests): Declare.
3039 * read-rtl.c: Include gensupport.h.
3040 (read_conditions): New function.
3041 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3042 (read_rtx_1): If we get EOF when we were looking for an initial
3043 open paren, return 0. Call read_conditions when appropriate.
3044 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3045 dummy-conditions.o. Eliminate references to insn-conditions.o,
3046 or change them to build/gencondmd.o, as appropriate. Remove
3047 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3048 from $(simple_generated_c). For all files remaining in those
3049 two lists, add insn-conditions.md to the generator command line.
3050 Give insn-constants.h/s-constants their own rules. Add rules
3051 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3052 (build/read-rtl.o): Depend on gensupport.h.
3053 (genprognormal): Include preds.
3054 (genprogearly): Rename genprognoprint; only difference is now that
3055 they don't link with $(BUILD_PRINT).
3056 * dummy-conditions.c: Delete.
3058 2006-01-22 Zack Weinberg <zackw@panix.com>
3060 * genextract.c: Don't include insn-config.h. Do include vec.h.
3061 Declare vectors of int, char, and locstr.
3062 (locstr): New typedef.
3063 (struct extraction): Make all array fields into bare pointers.
3064 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3065 (insn_code_number): Delete.
3066 (accum_extract): New struct.
3067 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3068 (gen_insn): Take insn_code_number as an argument. Use an
3069 accum_extract structure instead of loading data directly into
3070 a struct extraction, and having to know how big it might get.
3071 (walk_rtx): Operate entirely on an accum_extract structure.
3072 (print_path): Avoid unnecessary use of printf.
3073 (print_header): New function, split out of main. Distinguish
3074 more carefully between an unrecognizable insn and an insn that
3075 has the code number of a define_expand.
3076 (main): Pass insn_code_number to gen_insn. Call print_header
3077 only after parsing. Avoid unnecessary use of printf.
3078 * Makefile.in (build/vec.o): New rule.
3079 (build/genextract): Depend on build/vec.o.
3080 (build/genextract.o): Don't depend on insn-config.h.
3082 2006-01-22 Zack Weinberg <zackw@panix.com>
3084 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3085 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3086 practical. Eliminate per-generator-program link rules.
3088 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3091 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3092 with a call expr to ...
3093 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3095 2006-01-23 Richard Guenther <rguenther@suse.de>
3097 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3098 before make_edge with conditional EDGE_TRUE_VALUE.
3100 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3101 Jan Hubicka <jh@suse.cz>
3102 Richard Guenther <rguenther@suse.de>
3104 PR rtl-optimization/25654
3105 * cfgexpand.c (aggregate_contains_union_type): New function.
3106 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3107 for structure variables that contain a union type.
3109 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3111 * gengtype.c (new_structure): Return the structure.
3112 (create_option): Add an extra "next" argument.
3113 (create_field): New function.
3114 (adjust_field_rtx_def): Use create_option and create_field.
3115 Remove a now-unnecessary call to find_structure.
3116 (adjust_field_tree_def): Likewise.
3117 (note_yacc_type): Remove an unnecessary call to find_structure.
3118 * gengtype.h (new_structure): Return the structure.
3119 (create_option): Add an extra argument.
3120 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3121 (option): Adjust calls to create_option.
3123 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3125 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3127 2006-01-22 Paul Brook <paul@codesourcery.com>
3128 Peter Barada <peter@the-baradas.com>
3130 * config/m68k/m68k.md: Add Coldfire FPU support.
3131 Define FP mode macro and associated attributes.
3132 Use it for float mode patterns.
3133 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3134 (LIBCALL_VALUE): Use m68k_libcall_value.
3135 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3136 (m68k_function_value): Ditto.
3137 (emit_move_sequence): Ditto.
3138 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3139 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3140 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3141 (MULTILIB_EXCEPTIONS): Ditto.
3142 * config/m68k/m68k.opt: Add mcfv4e.
3143 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3144 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3145 (m68k_output_function_prologue): Save ColdFire FPU registers.
3146 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3147 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3148 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3149 ColdFire FPU registers.
3150 (m68k_libcall_value, m68k_function_value): New functions.
3151 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3152 (LIBCALL_VALUE): Use m68k_libcall_value.
3153 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3154 (MASK_COLDFIRE): Add MASK_CFV4E.
3155 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3156 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3157 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3158 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3159 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3160 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3161 * doc/invoke.tex: Document -mcfv4e on m68k.
3163 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3165 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3168 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3171 * c-opts.c (c_common_handle_option): Don't include
3172 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3173 * doc/invoke.texi (C++ Dialect Options): Document that
3174 -Wnon-virtual-dtor is no longer included in -Wall.
3176 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3178 * gcov.c (print_version), gcov-dump.c (print_version),
3179 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3182 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3184 * df-scan.c (problem_SCAN): Added NULL reset function.
3185 (df_scan_reset_blocks): Added code to call reset block function
3186 (df_bb_refs_delete) Fixed comment.
3187 (df_insn_refs_delete): Made tolerant of deleting non existent info
3188 for dataflow problems that need to be reset.
3189 * df-core.c (df_set_blocks): Ditto.
3190 * df.h (struct df_problem): Added reset_fun.
3191 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3192 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3193 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3194 functions to clear out all references to def-use or use-def chains.
3196 2006-01-21 Ben Elliston <bje@au.ibm.com>
3198 * varasm.c (assemble_real): Initialise data array.
3200 2006-01-20 Paul Brook <paul@codesourcery.com>
3202 Merge from csl-arm-branch.
3203 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3204 * config/arm/arm.md (movdi): Force operands[1] to a register
3205 if we have a non-register source.
3206 (*arm_movdi, *movdf_soft_insn): Require that one of the
3207 operands be a register.
3208 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3209 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3211 2006-01-20 DJ Delorie <dj@redhat.com>
3213 * varasm.c (initialize_constant_valid_p): Allow pointers
3214 initialized from integer constants of lesser precision.
3215 (output_constant): Allow non-int-sized pointer modes to be
3216 initialized from integer constants.
3218 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3221 * cppdefault.h (struct default_include): Add multilib flag.
3222 * cppdefault.c (cpp_include_defaults): Set it.
3223 * c.opt (-imultilib): New option.
3224 * c-opts.c (imultilib): New.
3225 (c_common_handle_option): Handle -imultilib.
3226 (c_common_post_options): Likewise.
3227 * c-incpath.c (add_standard_paths, register_include_chains):
3229 * c-incpath.h (register_include_chains): Add extra parameter.
3230 * gcc.c (do_spec_1): Generate -imultilib option.
3231 (The Specs Language): Update %I description.
3232 (process_command): Update copyright notice.
3233 * doc/cppopts.texi (-imultilib): Document.
3234 * doc/invoke.texi (-imultilib): Include in option summary.
3235 (%I): Update specs documentation.
3237 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3239 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3241 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3243 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3246 2006-01-20 Richard Guenther <rguenther@suse.de>
3247 Steven Bosscher <stevenb.gcc@gmail.com>
3249 PR rtl-optimization/24626
3250 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3251 EDGE_TRUE_VALUE if in RTL mode.
3254 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3255 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3257 2006-01-20 Dirk Mueller <dmueller@suse.com>
3260 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3261 instead of a special NOP marker.
3262 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3263 NOP marker handling.
3264 * c-common.h (empty_body_warning): Add forward declaration.
3265 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3266 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3268 2006-01-20 Paul Brook <paul@codesourcery.com>
3270 * Makefile.in (lang_checks): Keep going if mkdir fails.
3272 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3274 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3275 be able to clean out basic block when not necessary.
3276 (df_scan_free): Fixed to properly delete information if df is
3277 unused before calling df_finish.
3278 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3279 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3281 (df_bb_refs_delete): New function.
3282 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3283 * df-core.c (df_set_blocks): Added code to properly clean out
3284 unused blocks if they are not part of the blocks to consider.
3285 Added additional null check.
3286 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3287 be able to clean out basic block when not necessary
3288 * df.h (df_free_bb_function): Ditto.
3289 (df_bb_refs_delete): New function.
3290 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3291 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3292 basic block parameter to be able to clean out basic block when not
3294 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3295 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3296 Fixed to properly delete information if df is unused before
3299 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3301 PR rtl-optimization/25799
3302 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3303 Corrected confluence operator to remove bits from op2 before oring
3304 with op1 rather than removing bits from op1.
3305 (df_ru_transfer_function): Corrected test on wrong bitmap which
3306 caused infinite loop. Both of these problems were introduced in
3307 the dataflow rewrite.
3309 2006-01-19 DJ Delorie <dj@redhat.com>
3311 * reload1.c (find_reload_regs): Note the details of reload
3312 failures in the dump file.
3313 (spill_failure): Likewise.
3315 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3317 * loop-iv.c: Include df.h and hashtab.h.
3318 (enum iv_grd_result): New enum.
3319 (DF_REF_IV, DF_REF_IV_SET): New macros.
3320 (struct biv_entry): New.
3321 (df, bivs): New global variables.
3322 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3323 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3325 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3326 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3327 analyzed_for_bivness_p, record_biv): New functions.
3328 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3329 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3330 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3332 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3334 (iv_number_of_iterations): Use new interface to iv analysis.
3335 * loop-unroll.c: Do not include varray.h.
3336 (analyze_iv_to_split_insn): Use new interface to iv
3338 * loop-unswitch.c (may_unswitch_on): Ditto.
3339 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3341 (df_bb_modify): Realloc tables to the new index.
3342 (df_find_use): New function.
3343 * df.h (df_find_use): Declare.
3344 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3346 * cfgloop.h (struct rtx_iv): Remove analysed field.
3347 (iv_get_reaching_def): Removed.
3348 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3349 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3350 (loop-iv.o): Add df.h and hashtab.h dependency.
3351 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3353 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3356 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3358 (__floatundisf, __floatundidf): Likewise.
3359 * libgcc2.h (IS_IBM_EXTENDED): Define.
3361 2006-01-19 DJ Delorie <dj@redhat.com>
3363 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3365 2006-01-19 Paul Brook <paul@codesourcery.com>
3367 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3368 as nothrow when unwinding tables are disabled.
3370 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3373 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3374 of bit-field" when in system header.
3376 2006-01-19 DJ Delorie <dj@redhat.com>
3378 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3379 the 16 bit shift limit of the m16c.
3381 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3384 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3385 * config/i386/i386.c (output_set_got): Output the label if we have one
3386 for the TARGET_DEEP_BRANCH_PREDICTION case.
3388 2006-01-19 Jan Hubicka <jh@suse.cz>
3389 H.J. Lu <hongjiu.lu@intel.com>
3390 Evandro Menezes <evandro.menezes@amd.com>
3392 * invoke.texi (generic): Document
3394 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3395 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3396 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3397 (x86_use_incdec, x86_pad_returns): New variables
3398 (TARGET_CPU_DEFAULT_generic): New constant
3399 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3400 (enum processor_type): Add generic32 and generic64.
3401 * i386.md (cpu attribute): Add generic32/generic64
3402 (movhi splitter): Behave sanely when both partial_reg_dependency and
3403 partial_reg_stall are set.
3404 (K8 splitters): Enable for generic as well.
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