1 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3 * combine.c (gen_lowpart_or_truncate): Call
4 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8 * doc/invoke.texi: Move -fopenmp description to "Options for
10 Remove reference to -lgomp.
12 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14 * doc/install.texi: Require GNU tar version 1.14.
16 2006-02-24 Geoffrey Keating <geoffk@apple.com>
18 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
19 * doc/invoke.texi (C++ Dialect Options): Document
20 -fno-use-cxa-get-exception-ptr.
21 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
22 * configure: Regenerate.
23 * c.opt (fuse-cxa-get-exception-ptr): New.
24 * c-opts.c (c_common_handle_option): Handle
25 OPT_fuse_cxa_get_exception_ptr.
26 * c-common.c (flag_use_cxa_atexit): Update documentation.
27 (flag_use_cxa_get_exception_ptr): New.
28 * c-common.h (flag_use_cxa_get_exception_ptr): New.
29 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
31 (C_COMMON_OVERRIDE_OPTIONS): New.
33 2006-02-24 Roger Sayle <roger@eyesopen.com>
36 * combine.c (try_combine): Explicitly check whether GET_CODE is
37 a SET or a CLOBBER, instead on checking that it isn't a USE.
39 2006-02-24 Roger Sayle <roger@eyesopen.com>
41 * fold-const.c (fold_comparison): New subroutine of fold_binary
42 containing transformations common to both the equality and
43 ordering relational operators, factored out of fold_binary.
44 (fold_binary): Separate out the equality operators (EQ_EXPR
45 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
46 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
47 transformations common to both.
48 (fold_div_compare): Fix latent bugs in the previously unreachable
49 LT_EXPR and GE_EXPR cases.
51 2006-02-24 David Edelsohn <edelsohn@gnu.org>
53 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
54 decl libname for clog to __clog on AIX.
56 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
58 2006-02-24 Alan Modra <amodra@bigpond.net.au>
61 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
62 output traceback table for thunks. Localise rs6000_stack_info call.
64 2006-02-23 Roger Sayle <roger@eyesopen.com>
65 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
67 * gthr-posix.h (__gthrw): Fix typo in comment.
69 2006-02-23 Geoffrey Keating <geoffk@apple.com>
71 * doc/cpp.texi (Character sets): Document that we do support
72 input files to be in any character set.
74 2006-02-23 Jeff Law <law@redhat.com>
76 * tree.h (PHI_ARG_NONZERO): Remove.
77 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
78 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
81 PR tree-optimization/26425
82 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
83 min/max, then assume its varying.
85 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
87 PR rtl-optimization/26316
88 * rtlanal.c (enum may_trap_p_flags): New.
89 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
90 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
91 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
92 (may_trap_after_code_motion_p): New function.
93 * loop-invariant.c (find_identical_invariants): Fix dump formating.
94 (find_invariant_insn): Use may_trap_after_code_motion_p.
95 * rtl.h (may_trap_after_code_motion_p): Declare.
97 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
99 * emit-rtl.c (immed_double_const): Cleanup.
101 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
103 Fix PR tree-optimization/26376
104 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
107 2006-02-23 Jakub Jelinek <jakub@redhat.com>
110 * gimplify.c (omp_add_variable): Guard variable size decl test with
111 DECL_SIZE (decl) check.
113 2006-02-23 Richard Guenther <rguenther@suse.de>
116 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
117 like aggregate types.
119 2006-02-23 Jakub Jelinek <jakub@redhat.com>
121 * configure.ac: Add --with{,out}-long-double-128 configure option.
122 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
123 * configure: Rebuilt.
124 * config.in: Rebuilt.
125 * doc/install.texi (Options specification): Document
126 --with-long-double-128.
128 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
129 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
130 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
131 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
133 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
135 * config/s390/s390.c (override_options): Handle
136 TARGET_DEFAULT_LONG_DOUBLE_128.
138 * config/alpha/alpha.c (override_options): Handle
139 TARGET_DEFAULT_LONG_DOUBLE_128.
141 * config/sparc/sparc.c (sparc_override_options): Handle
142 TARGET_DEFAULT_LONG_DOUBLE_128.
144 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
146 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
147 (real-install-headers-tar, real-install-headers-cpio)
148 (real-install-headers-cp): New targets.
150 2006-02-22 Richard Sandiford <richard@codesourcery.com>
152 * tree.h (variable_section): Delete.
153 * varasm.c (variable_section): Delete.
155 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
157 * install.texi: Add notes on install.texi2html.
158 (Building in parallel): Do not use footnotes.
160 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
163 * doc/install.texi (Configuration): Document --disable-libgomp.
165 2006-02-21 Geoffrey Keating <geoffk@apple.com>
167 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
169 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
171 * config/i386/sse.md (vec_extractv2df_1_sse): New.
172 (vec_extractv2df_0_sse): New.
174 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
176 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
177 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
178 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
179 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
180 to the result of the expression.
182 (frame_pointer_cfa_offset): Rename to...
183 (frame_pointer_fb_offset): ... this. Adjust all uses.
184 (convert_cfa_to_loc_list): Rename to...
185 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
186 Pass it on to build_cfa_loc.
187 (compute_frame_pointer_to_cfa_displacement): Rename to...
188 (compute_frame_pointer_to_fb_displacement): ... this. New
189 offset parameter. Use it in computation.
190 (gen_subprogram_die): Compute cfa_fb_offset with the new
191 macro, and use it to compute the fb loc list and the
194 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
196 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
197 replaced with register_operand.
198 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
199 non-DREG is expensive.
200 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
201 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
204 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
206 * doc/install.texi2html: Use set -e.
208 2006-02-21 Richard Sandiford <richard@codesourcery.com>
210 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
211 (ASM_OUTPUT_SHARED_LOCAL): Delete.
212 * doc/invoke.texi (-fshared-data): Delete.
213 * common.opt (fshared-data): Delete.
214 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
215 (assemble_static_space): Remove #if 0 code.
216 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
217 (ASM_OUTPUT_SHARED_LOCAL): Poison.
218 * config/cris/cris.h: Remove FIXME.
220 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
222 * doc/sourcebuild.texi (Front End Directory): No more double-colon
225 2006-02-21 Jakub Jelinek <jakub@redhat.com>
228 * combine.c (simplify_shift_const_1): Disable nested shifts
229 optimization for vector shifts.
231 2006-02-20 Roger Sayle <roger@eyesopen.com>
233 PR tree-optimization/26361
234 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
235 of unsigned integer types.
237 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
239 * tree-chrec.c (eq_evolutions_p): New.
240 * tree-chrec.h (eq_evolutions_p): Declared.
241 * tree-data-ref.c: Fix formatting.
242 (datadep_stats, dependence_stats): New.
244 (print_direction_vector): New.
245 (dump_data_dependence_relation): Use print_direction_vector.
246 (object_analysis, create_data_ref): Handle COMPONENT_REF.
247 (compute_subscript_distance): Static.
248 (initialize_data_dependence_relation): Static. Get the number
249 of loops surrounding the references from the callers, and initialize
250 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
251 base_object_differ_p analyzers.
252 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
253 compute_overlap_steps_for_affine_1_2,
254 analyze_subscript_affine_affine): Count the classified dependences.
255 Print a message when a test failed.
256 (can_use_analyze_subscript_affine_affine): New.
257 (analyze_siv_subscript): Compute the data dependences on symbolic
258 scevs that verify can_use_analyze_subscript_affine_affine.
259 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
260 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
261 Handle symbolic scevs.
262 (analyze_overlapping_iterations): Let symbolic affine scevs to be
264 (subscript_dependence_tester): Moved...
265 (build_classic_dist_vector, build_classic_dir_vector): Don't use
266 lambda_vector_clear on newly allocated vectors. Get nb_loops from
267 DDR_SIZE_VECT instead of getting it in parameter.
268 (subscript_dependence_tester): ... here. Take as a parameter
269 loop_nest_depth. Call build_classic_dist_vector and
270 build_classic_dir_vector.
271 (compute_affine_dependence): Update subscript_dependence_tester
272 parameters. Update datadep_stats counters. Call
273 compute_subscript_distance.
274 (compute_self_dependence): Save the dist and dir vectors. Call
275 compute_subscript_distance.
276 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
277 (compute_all_dependences): Reorder parameters as they were before
278 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
279 compute_subscript_distance. Update the use of
280 compute_affine_dependence and initialize_data_dependence_relation.
281 (find_data_references_in_loop): Handle COMPONENT_REF.
282 (compute_data_dependences_for_loop): Initialize dependence_stats.
283 Don't call build_classic_dist_vector and build_classic_dir_vector.
284 Update the parameters of initialize_data_dependence_relation and
285 compute_all_dependences. Print the statistics from datadep_stats.
286 (analyze_all_data_dependences): Static. Not used until the pass for
287 checking the data dependences is contributed.
288 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
289 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
290 (initialize_data_dependence_relation, compute_affine_dependence,
291 analyze_all_data_dependences, compute_subscript_distance): Removed.
292 (print_direction_vector): New.
293 * lambda.h (gcd): ... here.
294 (lambda_vector_gcd): Moved here from gcd_vector.
295 * lambda-code.c (gcd, gcd_vector): Removed.
296 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
297 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
299 2006-02-20 Diego Novillo <dnovillo@redhat.com>
301 * ipa-type-escape.c: Tidy some comments and white space.
302 * tree-ssa-operands.c: Likewise.
304 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
307 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
308 (dump_decl_name): Do not walk the decl tree chains.
309 * tree-pass.h (TDF_CHAIN): Remove.
311 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
313 * Makefile.in (C): Remove
315 (.PHONY): Remove C and PROTO
317 2006-02-20 Roger Sayle <roger@eyesopen.com>
320 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
321 deprecated CHAR_TYPE tree code.
323 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
325 * configure.ac (target_list): Add install-info, dvi, html.
326 * configure: Regenerate.
328 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
329 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
330 treelang/Make-lang.in: Do not use double-colon rules.
332 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
334 * tree.h (struct tree_memory_tag): Add is_used_alone member.
335 (TMT_USED_ALONE): New macro.
336 * tree-pass.h (PROP_tmt_usage): New property.
337 (TODO_update_tmt_usage): New todo.
338 * tree-ssa-alias.c (updating_used_alone): New variable.
339 (recalculate_used_alone): New function.
340 (compute_may_aliases): Set updating_used_alone, call
341 recalculate_used_alone.
342 * tree-sra.c (pass_sra): Note that this pass destroys
343 PROP_tmt_usage, and add TODO_update_tmt_usage.
344 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
345 * tree-flow.h (updating_used_alone): Prototype.
346 (recalculate_used_alone): Ditto.
347 * passes.c (execute_todo): Add code to set updating_used_alone,
348 and call recalculate.
349 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
350 for clobber if used alone, and add assert to verify used_alone
353 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
355 * config/s390/s390.c (legitimize_pic_address): Assertions checking
356 for non tls symbols added.
357 (legitimize_address): Do nothing for PLUS expressions if one of the
358 addends is a tls symbol reference.
360 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
364 * Makefile.in (LDFLAGS): Define from autoconf substitution.
366 * Makefile.in (BOOTSTRAPPING): New.
367 (quickstrap): New definition if BOOTSTRAPPING=yes.
369 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
370 * configure.ac: Substitute all_selected_languages with the languages
371 that were configured. For all the other variables except
372 lang_specs_files, include all the languages in the tree.
373 * configure: Regenerate.
375 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
376 if there is one. Run the commands to run fixincludes in the same
379 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
380 * doc/install.texi: Document exact conventions for searching target tools.
381 Document --with-build-time-tools. Document toplevel bootstrap. Document
382 something more about building an Ada cross-compiler. Don't list GNU Make
383 requirements which affect all platforms.
385 2006-02-19 Roger Sayle <roger@eyesopen.com>
388 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
389 only equivalent if the have both the same mode and precision.
391 2006-02-20 Ben Elliston <bje@au.ibm.com>
393 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
395 2006-02-19 Roger Sayle <roger@eyesopen.com>
396 Steven Bosscher <stevenb.gcc@gmail.com>
398 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
399 constant pool references to identify stack mode constants.
400 * rtlanal.c (constant_pool_constant_p): New predicate to check
401 whether operand is a floating point constant in the pool.
402 * rtl.h (constant_pool_constant_p): Prototype here.
403 * loop.c (scan_loop): Avoid hoisting constants from the constant
404 pool on STACK_REGS targets.
405 (load_mems): Likewise.
406 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
407 loads into x87 registers expensive in terms of register pressure.
409 2006-02-19 Roger Sayle <roger@eyesopen.com>
411 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
412 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
414 2006-02-19 David Edelsohn <edelsohn@gnu.org>
416 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
417 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
419 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
421 * doc/invoke.texi: Document -fipa-pta.
422 * common.opt: Add ipa-pta option.
423 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
424 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
425 (do_ds_constraint): Ditto.
426 (get_constraint_for): Only add to referenced_vars if
427 referenced_vars exists.
428 (insert_into_field_list): Rewrite to do this unsorted.
429 (insert_into_field_list_sorted): Rename old insert_into_field_list
431 (create_function_info_for): Use insert_into_field_list_sorted.
432 (create_variable_info_for): Rewrite so it uses unsorted version,
433 since the field list is sorted.
434 (intra_create_variable_infos): Only add to referenced_vars if
435 referenced_vars exists.
436 (ipa_pta_execute): Init heapvars, and delete when done.
437 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
439 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
441 * doc/install.texi: Add missing `@samp'.
443 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
445 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
448 2006-02-18 Mark Wielaard <mark@klomp.org>
450 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
451 who added new 4.1 features, bug fixes and integration support.
453 2006-02-18 David Edelsohn <edelsohn@gnu.org>
456 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
459 2006-02-18 Richard Sandiford <richard@codesourcery.com>
461 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
462 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
463 (copy_insn_1): Likewise. Don't copy each field individually.
465 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
467 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
468 * rtl.c (rtx_size): Rename variable to...
469 (rtx_code_size): ...this.
470 (rtx_size): New function.
471 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
472 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
474 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
475 * rtl.h (rtx_code_size): New variable.
476 (rtx_size): Change from a variable to a function.
477 (RTX_SIZE): Rename to...
478 (RTX_CODE_SIZE): ...this.
481 PR tree-optimization/17106
482 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
483 (Anchored Addresses): New section.
484 * doc/invoke.texi (-fsection-anchors): Document.
485 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
486 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
487 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
488 * hooks.c (hook_bool_mode_rtx_false): New function.
489 * hooks.h (hook_bool_mode_rtx_false): Declare.
490 * gengtype.c (create_optional_field): New function.
491 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
492 SYMBOL_REF_IN_BLOCK_P is true.
493 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
494 (min_anchor_offset, max_anchor_offset): Likewise.
495 (use_anchors_for_symbol_p): New hook.
496 * toplev.c (compile_file): Call output_object_blocks.
497 (target_supports_section_anchors_p): New function.
498 (process_options): Check that -fsection-anchors is only used on
499 targets that support it and when -funit-at-a-time is in effect.
500 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
501 if the decl doesn't have one.
502 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
503 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
504 of force_const_mem through use_anchored_address.
505 (expand_expr_constant): New function.
506 (expand_expr_addr_expr_1): Call it. Use the same modifier when
507 calling expand_expr for INDIRECT_REF.
508 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
509 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
510 * expr.h (use_anchored_address): Declare.
511 * loop-unroll.c: Don't declare rtx vectors here.
512 * explow.c: Include output.h.
513 (validize_mem): Call use_anchored_address.
514 (use_anchored_address): New function.
515 * common.opt (-fsection-anchors): New switch.
516 * varasm.c (object_block_htab, anchor_labelno): New variables.
517 (hash_section, object_block_entry_eq, object_block_entry_hash)
518 (use_object_blocks_p, get_block_for_section, create_block_symbol)
519 (use_blocks_for_decl_p, change_symbol_section): New functions.
520 (get_variable_section): New function, split out from assemble_variable.
521 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
522 use_blocks_for_decl_p say so. Use change_symbol_section if the
523 symbol has already been created.
524 (assemble_variable_contents): New function, split out from...
525 (assemble_variable): ...here. Don't output any code for
526 block symbols; just pass them to place_block_symbol.
527 Use get_variable_section and assemble_variable_contents.
528 (get_constant_alignment, get_constant_section, get_constant_size): New
529 functions, split from output_constant_def_contents.
530 (build_constant_desc): Create a block symbol if use_object_blocks_p
531 says so. Or into SYMBOL_REF_FLAGS.
532 (assemble_constant_contents): New function, split from...
533 (output_constant_def_contents): ...here. Don't output any code
534 for block symbols; just pass them to place_section_symbol.
535 Use get_constant_section and get_constant_alignment.
536 (force_const_mem): Create a block symbol if use_object_blocks_p and
537 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
538 (output_constant_pool_1): Add an explicit alignment argument.
539 Don't switch sections here.
540 (output_constant_pool): Adjust call to output_constant_pool_1.
541 Switch sections here instead. Don't output anything for block symbols;
542 just pass them to place_block_symbol.
543 (init_varasm_once): Initialize object_block_htab.
544 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
545 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
546 (place_block_symbol, get_section_anchor, output_object_block)
547 (output_object_block_htab, output_object_blocks): New functions.
548 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
549 (TARGET_ASM_OUT): Include it.
550 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
551 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
552 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
553 (TARGET_INITIALIZER): Include them.
554 * rtl.c (rtl_check_failed_block_symbol): New function.
555 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
556 (block_symbol, object_block): New structures.
557 (rtx_def): Add a block_symbol field to the union.
558 (BLOCK_SYMBOL_CHECK): New macro.
559 (rtl_check_failed_block_symbol): Declare.
560 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
561 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
562 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
563 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
564 * output.h (output_section_symbols): Declare.
565 (object_block): Name structure.
566 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
567 (default_use_anchors_for_symbol_p): Declare.
568 * Makefile.in (RTL_BASE_H): Add vec.h.
569 (explow.o): Depend on output.h.
570 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
571 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
572 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
573 (rs6000_use_blocks_for_constant_p): New function.
575 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
577 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
579 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
582 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
585 2006-02-18 Diego Novillo <dnovillo@redhat.com>
587 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
591 2006-02-18 Jakub Jelinek <jakub@redhat.com>
594 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
595 instead of DECL_REGISTER.
597 2006-02-18 Olivier Hainque <hainque@adacore.com>
600 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
602 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
605 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
606 * opth-gen.awk: Handle Var and InverseMask together.
607 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
608 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
609 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
610 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
612 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
613 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
614 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
615 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
616 LINUX_DYNAMIC_LINKER): Define.
617 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
618 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
620 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
621 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
622 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
624 (TARGET_C99_FUNCTIONS): Don't define.
625 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
626 GLIBC_DYNAMIC_LINKER.
627 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
628 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
629 GLIBC_DYNAMIC_LINKER64): Define.
630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
631 LINUX_DYNAMIC_LINKER64.
632 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
633 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
634 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
636 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
638 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
639 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
640 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
642 and LINUX_DYNAMIC_LINKER32.
643 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
644 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
645 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
647 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
649 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
650 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
651 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
652 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
653 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
654 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
655 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
656 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
657 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
658 LINUX_DYNAMIC_LINKER): Define.
659 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
660 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
661 GLIBC_DYNAMIC_LINKER64): Define.
662 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
663 LINUX_DYNAMIC_LINKER64.
664 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
665 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
666 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
667 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
668 LINUX_DYNAMIC_LINKER): Define.
669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
670 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
671 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
672 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
673 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
674 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
675 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
676 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
677 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
678 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
680 * doc/invoke.texi (-muclibc): Remove caveat about supported
683 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
685 * doc/cpp.texi (__TIMESTAMP__): Document.
687 2006-02-17 Roger Sayle <roger@eyesopen.com>
690 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
691 C is one less than the width of X (and related transformations).
692 * simplify_rtx.c (simplify_unary_operation_1): Transform
693 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
694 depending on STORE_FLAG_VALUE, were C is one less then the
697 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
699 Fix PR tree-optimization/26341
700 * tree-ssa-operands.c (add_virtual_operand): Remove assert
701 about NAME_MEMORY_TAG's.
703 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
706 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
707 with hardware float support, and software float support. Add fcpy
708 alternative to hardware patterns. Add alternatives to copy between
709 general and floating-point registers to the 32-bit pattern.
710 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
711 secondary reload to load a QI or HI mode constant into a floating
713 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
714 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
716 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
719 * config/rs6000/darwin.md (load_macho_picbase_si): Add
721 (load_macho_picbase_di): Likewise.
723 2006-02-16 Jeff Law <law@redhat.com>
725 * tree-vrp.c (set_value_range_to_nonnegative): New function.
726 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
727 (ssa_name_nonzero_p): Likewise.
728 (get_value_range): Return NULL if VRP is not running.
729 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
730 VRP routines do not discover a range.
731 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
732 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
733 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
734 (tree_expr_nonnegative_p): Similarly.
735 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
736 (restore_nonzero_vars_to_original_value): Remove.
737 (unsafe_associative_fp_binop): Remove.
738 (tree_ssa_dominator_optimize): Remove initialization and
739 finalization of nonzero_vars and nonzero_vars_stack.
740 (dom_opt_initialize_block): No longer push marker on
742 (dom_opt_finalize_block): No longer call
743 restore_nonzero_vars_to_original_value.
744 (record_equivalences_from_phis): No longer look for
745 nonzero PHI arguments.
746 (cprop_into_successor_phis): No longer propagate nonzero
747 property into PHI arguments. Lose unused argument. Caller
749 (record_equivalences_from_stmt): No longer record nonzero
750 values for SSA_NAMEs.
751 (lookup_avail_expr): No longer use nonzero_vars.
753 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
754 for sizetype when sizetype is unsigned.
756 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
758 PR rtl-optimization/25603
759 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
760 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
761 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
762 with new meaning of SETS.
764 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
769 * config/linux.opt: New file.
770 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
771 LINUX_DYNAMIC_LINKER): Define.
772 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
773 * config.gcc (*-*-linux*): Define extra_options.
774 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
775 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
776 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
777 GLIBC_DYNAMIC_LINKER.
778 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
779 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
780 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
781 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
782 * doc/invoke.texi (GNU/Linux Options): New section.
784 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
786 * config/sparc/sparc.md (setjmp): Rewrite.
788 (setjmp_64): Likewise.
790 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
792 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
795 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
797 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
800 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
802 PR rtl-optimization/26296
803 * Makefile.in (loop-invariant.c): Add except.h dependency.
804 * loop-invariant.c: Include except.h.
805 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
807 2005-02-16 Paul Brook <paul@codesourcery.com>
809 * reload1.c (emit_reload_insns): Invalidate dead input registers used
812 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
814 PR rtl-optimization/25636
815 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
816 when deciding whether an insn is an initializing insn.
818 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
820 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
821 (tree_code_size): Ditto.
822 * tree.h (struct tree_memory_tag): Remove parent_var.
823 (struct tree_struct_field_tag): New.
826 (union tree_node): Add sft member.
827 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
829 (create_sft): Add size and offset argument, set SFT_OFFSET and
831 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
832 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
833 * tree-flow-inline.h (get_subvar_at): Update for
835 (var_can_have_subvars): Ditto.
836 (overlap_subvar): Ditto.
837 * print-tree.c (print_node): Print out interesting things for
839 * tree-flow.h (struct subvar): Remove offset and size members.
840 * tree-ssa-operands.c (get_expr_operands): Update for
841 get_indirect_ref_operands changes.
842 (get_indirect_ref_operands): Call add_virtual_operand instead of
843 add_stmt_operand. Only recurse on base var if requested.
844 (access_can_touch_variable): New function.
845 (add_stmt_operand): Split virtual operand handling into ...
846 (add_virtual_operand): Here. Add offset, size, and for_clobber
847 arguments. Prune alias sets.
848 (add_call_clobber_ops): Call add_virtual_operand.
850 2006-02-15 Jakub Jelinek <jakub@redhat.com>
853 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
855 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
856 than TREE_CODE as index into omp_clause_num_ops array.
858 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
860 PR rtl-optimization/26184
861 * modulo-sched.c (generate_reg_moves): Free bitmap vector
863 * modulo-sched.c (sms_schedule): Free g_arr pointer.
864 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
865 must_precede, must_follow and tobe_scheduled.
868 * opts.c (common_handle_option): Free new_option pointer.
869 * df-core.c (df_analyze): Free postorder pointer.
871 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
873 * Makefile.in: Fix the examples about the use of stamps
875 2006-02-15 Michael Matz <matz@suse.de>
879 * stor-layout.c (layout_decl): Zero-width bitfields aren't
880 influenced by maximum_field_alignment or DECL_PACKED.
881 (update_alignment_for_field): Ditto.
882 (place_field): Ditto.
883 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
886 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
888 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
889 (debug_flow_info): Pass it.
890 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
891 * bb-reorder.c (reorder_basic_blocks): Likewise.
892 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
893 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
894 * flow.c (life_analysis, recompute_reg_usage): Likewise.
895 * gcse.c (gcse_main, bypass_jumps): Likewise.
896 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
897 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
898 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
899 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
900 * rtl.h (dump_flow_info): Adjust prototype.
901 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
902 * var-tracking.c (variable_tracking_main): Likewise.
903 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
904 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
907 2006-02-15 Marcin Dalecki <martin@dalecki.de>
909 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
912 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
914 PR tree-optimization/26209
915 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
916 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
918 * tree-cfg.c (replace_uses_by): Do not alter cfg.
920 2006-02-14 Roger Sayle <roger@eyesopen.com>
923 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
924 (X,Y) and the corresponding symmetry related transformations.
925 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
926 (X,Y) and its symmetry related transformations.
928 2006-02-14 Roger Sayle <roger@eyesopen.com>
930 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
933 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
935 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
937 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
940 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
941 support COMDAT group.
942 * configure: Regenerate.
944 2006-02-14 Roger Sayle <roger@eyesopen.com>
949 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
951 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
953 Fix PR tree-optimization/26260
955 * doc/invoke.texi (max-fields-for-field-sensitive): Document
957 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
958 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
959 * tree-ssa-structalias.c (create_variable_info_for): Use
960 MAX_FIELDS_FOR_FIELD_SENSITIVE.
962 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
964 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
966 * tree-ssa-loop-niter.c (number_of_iterations_ne,
967 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
968 of the ending condition.
969 * tree-ssa-loop-manip.c: Include params.h.
970 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
971 tree_unroll_loop): New functions.
972 * tree-pass.h (pass_loop_prefetch): Declare.
973 * loop.c (rest_of_handle_loop_optimize): Test for
974 -fprefetch-loop-arrays-rtl.
975 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
976 * timevar.def (TV_TREE_PREFETCH): New timevar.
977 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
978 pass_loop_prefetch): New.
979 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
980 (cleanup_tree_cfg_loop): Call scev_reset.
981 * common.opt (fprefetch-loop-arrays-rtl): Add.
982 * tree-ssa-loop-prefetch.c: New file.
983 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
984 (new_temp_expr_table): Initialize expr_vars.
985 (free_temp_expr_table): Cleanup expr_vars.
986 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
987 expressions from being merged into one.
988 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
989 (struct tree_niter_desc): Add control, bound and cmp fields.
990 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
992 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
993 (tree-cfgcleanup.o): Add SCEV_H dependency.
994 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
995 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
997 2006-02-14 Richard Guenther <rguenther@suse.de>
999 PR tree-optimization/26258
1000 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1001 in PHI argument processing.
1003 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1005 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1006 new expression in the requested machine mode.
1008 2006-02-13 Roger Sayle <roger@eyesopen.com>
1010 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1011 directly, instead let do_compare_rtx_and_jump handle this for us.
1012 * expr.c (expand_expr_real_1): Likewise.
1013 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1014 before do_jump_by_parts_greater.
1015 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1016 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1018 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1020 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1022 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1024 PR rtl-optimization/26235
1025 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1026 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1029 2006-02-13 Jeff Law <law@redhat.com>
1031 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1034 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1037 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1038 twice if decl is a builtin. When trying again, call get_callee_fndecl
1039 first to verify it is still a builtin.
1041 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1043 * dwarf2out.c (base_type_die): Don't add AT_name here.
1044 (subrange_type_die): Don't add AT_name here.
1045 (modified_type_die): Rearrange code flow. Do add AT_name here.
1047 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1049 PR rtl-optimization/26247
1050 PR rtl-optimization/26248
1051 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1053 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1055 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1056 * config/fixtfdi.c: Likewise.
1057 * config/fixunstfdi.c: Likewise.
1058 * config/floatditf.c: Likewise.
1060 2006-02-13 Roger Sayle <roger@eyesopen.com>
1063 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1064 into (X,C2) if C1 is a subset of the bits of C2. Transform
1065 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1067 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1069 2006-02-13 Josh Conner <jconner@apple.com>
1072 * varasm.c (function_section): Check for section name before
1073 calling select_section on targets that define
1074 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1075 unlikely_text_section instead of hot_function_section if
1076 first_function_block_is_cold.
1078 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1081 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1083 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1085 PR rtl-optimization/26222
1086 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1087 after tree->rtl expansion.
1088 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1089 before passing it to emit_move_insn.
1091 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1093 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1095 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1096 Clarify documentation.
1097 * c-common.h (warn_write_strings): Remove.
1098 * c-common.c (warn_write_strings): Likewise.
1099 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1102 2006-02-12 Roger Sayle <roger@eyesopen.com>
1105 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1106 (do_jump_parts_zero_rtx): New function renamed from
1107 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1108 (do_jump_parts_equality_rtx): New function split out from
1109 do_jump_parts_equality. Old implementation renamed as above.
1110 Call do_jump_parts_zero_rtx if either operand is zero.
1111 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1112 do all of the heavy lifting.
1113 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1114 calling either do_jump_by_parts_greater_rtx or
1115 do_jump_by_parts_equality_rtx.
1116 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1117 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1118 moved to do_compare_rtx_and_jump, call it directly.
1119 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1120 mode argument. Call do_compare_rtx_and_jump.
1121 (emit_case_nodes): Update calls to do_jump_if_equal.
1123 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1125 PR rtl-optimization/26225
1126 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1128 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1130 PR rtl-optimization/26232
1131 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1133 2006-02-11 Jason Merrill <jason@redhat.com>
1136 * tree-inline.c (declare_return_variable): Just don't use the
1137 modify target if it's a gimple complex reg and the return slot
1140 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * doc/contrib.texi: Update my entry.
1144 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1146 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1148 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1150 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1153 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1155 * doc/invoke.texi (-floop-optimize2): Removed.
1156 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1157 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1158 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1159 * common.opt (floop-optimize2): Removed.
1160 (fmove-loop-invariants): Enabled by default.
1162 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1164 * tree-if-conv.c (combine_blocks): Free the result of
1165 get_loop_exit_edges.
1167 2006-02-10 Jeff Law <law@redhat.com>
1169 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1171 PR tree-optimization/26213
1172 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1173 loop trying to follow SSA_NAME_VALUE chains.
1175 2006-02-10 Richard Guenther <rguenther@suse.de>
1177 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1178 deal with structures that end in implicitly variable sized arrays.
1180 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1182 PR rtl-optimization/24762
1183 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1186 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1188 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1189 (struct ivopts_data): Add regs_used field.
1190 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1191 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1192 instead of loop_data->regs_used;
1193 (free_loop_data): Do not free aux fields for loops.
1194 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1195 and tree_ssa_iv_optimize_finalize.
1197 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1199 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1201 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1204 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1205 computing the effective result type.
1207 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1210 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1211 (tree_overlaps_hard_reg_set): Declare.
1212 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1213 type and signature to match function type expected by walk_tree.
1214 (tree_overlaps_hard_reg_set): New function.
1215 (decl_conflicts_with_clobbers_p): Rename to:
1216 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1217 Use tree_overlaps_hard_reg_set. Changed caller.
1218 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1219 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1220 * cris.c (cris_md_asm_clobbers): Likewise.
1222 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1224 * reload1.c (emit_input_reload_insns): Delete code that tries to
1225 inherit using find_equiv_reg.
1227 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1229 * c-common.h (flag_const_strings): Don't declare.
1230 * c-common.c (flag_const_strings): Remove.
1231 * c.opt (fconst_strings): Remove.
1232 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1233 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1234 (c_common_init_options): Don't set flag_const_strings.
1235 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1237 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1239 * arm.md (tlobits_cbranch): New pattern.
1240 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1241 testing a single bit.
1243 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1246 * tree-ssa-pre.c (create_component_ref_by_pieces):
1247 Handle RETURN_DECL like VAR_DECL.
1249 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1252 * fold-const.c (fold_indirect_ref_1): Fold
1253 "*(foo *)&complexfoo" to "__real__ complexfoo"
1254 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1256 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1258 * tree-flow-inline.h (var_can_have_subvars):
1259 Volatile variables should not have subvariables.
1261 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1264 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1265 multiplying unsigned values.
1268 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1270 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1272 2006-02-08 Jason Merrill <jason@redhat.com>
1275 * tree.def: Elaborate on difference from MODIFY_EXPR.
1276 * doc/c-tree.texi (INIT_EXPR): Likewise.
1277 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1278 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1279 (gimplify_target_expr): Likewise.
1280 (gimplify_cond_expr): Remove target handling.
1281 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1282 (gimplify_expr): Clobber it here.
1283 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1284 Do return slot optimization if we have an INIT_EXPR.
1287 * tree-inline.c (declare_return_variable): Also clear
1288 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1291 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1294 * gimplify.c (gimplify_one_sizepos): Fix typo.
1296 2006-02-08 Jeff Law <law@redhat.com>
1298 PR tree-optimization/21417
1299 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1300 across a backedge if the control statement at the end of the
1301 block is data dependent on other statements in the same block.
1302 (record_temporary_equivalences_from_stmts): Remove over-conservative
1303 test for threading across backedges.
1305 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1306 control statement, handle all three special cases in the same
1307 manner as they all have the same desired solution. No longer
1308 special case edge flag updating when the post dominator is
1311 2006-02-08 Roger Sayle <roger@eyesopen.com>
1313 * tree.def (CHAR_TYPE): Remove.
1314 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1315 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1316 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1317 (gen_string_type_die): Delete unreachable function.
1319 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1320 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1321 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1322 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1323 * builtins.c (type_to_class): Likewise.
1324 * fold-const.c (fold_convert, build_range_check,
1325 merge_ranges): Likewise.
1326 * expr.c (count_type_elements): Likewise.
1327 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1328 * stor-layout.c (layout_type): Likewise.
1329 * ipa-type-escape.c (type_to_consider): Likewise.
1330 * gimplify.c (omp_firstprivatize_type_sizes,
1331 gimplify_type_sizes): Likewise.
1332 * explow.c (promote_mode): Likewise.
1333 * tree-sra.c (is_sra_scalar_type): Likewise.
1334 * varasm.c (output_constant): Likewise.
1335 * tree-inline.c (remap_type_1): Likewise.
1336 * convert.c (convert_to_pointer, convert_to_real,
1337 convert_to_integer, convert_to_complex): Likewise.
1339 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1341 * df-scan.c (df_def_record_1): A set destination may
1342 be a parallel regardless of mode.
1344 2006-02-08 Roger Sayle <roger@eyesopen.com>
1347 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1348 * config/mips/_tilib.c: Remove.
1349 * config/fixtfdi.c: New libgcc source file.
1350 * config/fixunstfdi.c: New source file.
1351 * config/floatditf.c: New source file.
1352 * config/floatunditf.c: New souce file.
1353 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1354 files above instead of config/mips/_tilib.c.
1355 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1357 2006-02-08 Jeff Law <law@redhat.com>
1359 PR tree-optimization/26169
1360 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1363 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1365 * df.h (DF_REG_SIZE): Return the length of the initialized
1368 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1370 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1371 __muldf3): Return a correctly signed zero.
1373 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1375 * passes.c (register_one_dump_file): Accept the current properties
1376 instead of pass number. Adjust call to dump_register. Remove
1378 (register_dump_files): Now a wrapper around...
1379 (register_dump_files_1): ... this one. Do not modify the pass
1381 (next_pass_1): Cosmetic fix.
1382 (execute_todo): Keep second parameter only. Use curr_properties
1383 instead of fetching it from the pass structure. Check and set
1385 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1386 instead of fetching it from the pass structure. Fix calls to
1387 execute_todo. Update curr_properties and initialize .vcg RTL dump
1388 after running the pass. Reset last_verified.
1389 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1391 (FIRST_AUTO_NUMBERED_DUMP): New.
1392 (dump_register): Remove "num" parameter, assign it within the
1394 (get_dump_file_name): Modify template for dumps.
1395 * tree-dump.h (dump_register): Adjust prototype.
1396 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1397 (PROP_trees): Add PROP_gimple_lomp.
1398 (TODO_set_props): New.
1399 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1400 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1401 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1403 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1405 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1406 (sparc64-*-linux*): Likewise.
1407 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1408 * config/sparc/t-linux: New file.
1409 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1410 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1411 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1412 -m32 -mlong-double-128.
1414 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1415 * config/alpha/t-linux: New file.
1416 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1418 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1419 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1420 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1421 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1422 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1423 (CPP_ARCH32_SPEC): Remove.
1425 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1427 PR tree-optimization/26145
1428 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1431 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1434 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1435 >= 240000 when generating code for SOM runtime.
1436 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1437 to $$dyncall when generating code for SOM runtime..
1439 2006-02-07 Dirk Mueller <dmueller@suse.com>
1442 * doc/invoke.texi (-Wsequence-point): Update documentation
1443 that -Wsequence-point is implemented for C++ as well.
1445 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1447 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1448 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1449 (LIB_SPEC): Likewise.
1450 * doc/invoke.texi (SPARC options): Document -pthread.
1452 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1454 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1457 2006-02-07 Roger Sayle <roger@eyesopen.com>
1459 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1460 Correct comment describing BOOLEAN_TYPE.
1462 2006-02-07 Dirk Mueller <dmueller@suse.com>
1464 * c.opt: C++ frontend supports -Wdiv-by-zero.
1465 * c-opts.c (c_common_handle_option): Remove dead case.
1467 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1469 * configure.ac (TLS assembler check): Do not enable TLS by
1470 default on SPARC/Solaris before version 10.
1471 * configure: Regenerate.
1473 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1475 * doc/invoke.texi (xl-compat): Document conversion and support
1478 2006-02-07 Jeff Law <law@redhat.com>
1480 * tree-vrp.c (find_conditional_asserts): Update comments.
1481 (simplify_stmt_for_jump_threading): New.
1482 (identify_jump_threads, finalize_jump_threads): New.
1483 (vrp_finalize): Call identify_jump_threads.
1484 (execute_vrp): Call finalize_jump_threads.
1485 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1486 (vrp_element, vrp_data, vrp_element_p): Remove.
1487 (vrp_hash_elt, vrp_variables_stack): Remove.
1488 (vrp_hash, vrp_eq, record_range): Remove.
1489 (simplify_cond_and_lookup_avail_expr): Remove.
1490 (extract_range_from_cond): Remove.
1491 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1492 (simplify_stmt_for_jump_threading): New.
1493 (dom_thread_across_edge): New wrapper.
1494 (tree_ssa_dominator_optimize): No longer initialize or
1495 finalize any of the VRP datastructures. Remove iteration
1496 step and simplify as a result of removal of iteration step.
1497 (pass_dominator): Perform a cfg cleanup after DOM.
1498 (dom_opt_finalize_block): Use the new common routines
1499 for threading jumps. Simplify stack management slightly.
1500 No longer need to unwind VRP state.
1501 (record_equivalences_from_incoming_edge): No longer record
1503 (eliminate_redundant_computations): No longer call
1504 simplify_cond_and_lookup_avail_expr.
1505 * tree-flow.h (potentially_threadable_block): Prototype.
1506 (thread_across_edge): Likewise.
1507 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1508 (tree-ssa-threadedge.o): Add dependencies.
1509 * tree-ssa-threadedge.c: New file.
1510 * passes.c (init_optimization_passes): Merge PHIs before
1511 calling VRP. Run VRP again late in the SSA optimization pipeline.
1513 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1515 * df-core.c (df_set_blocks): Do not dereference function pointers.
1516 (df_finish1): Likewise.
1517 (df_hybrid_search_forward): Likewise.
1518 (df_hybrid_search_backward): Likewise.
1519 (df_iterative_dataflow): Likewise.
1520 (df_analyze_problem): Likewise.
1521 (df_compact_blocks): Likewise.
1522 (df_dump): Likewise.
1523 * df-scan.c (df_rescan_blocks): Likewise.
1524 (df_record_entry_block_defs): Likewise.
1526 * genconditions.c (write_conditions): Guard the definition of
1527 'insn_conditions' with the check on GCC version.
1528 (write_writer): Guard the traversal 'insn_conditions' with
1529 the check on GCC version.
1531 2006-02-07 Richard Guenther <rguenther@suse.de>
1535 2006-01-30 Richard Guenther <rguenther@suse.de>
1537 * gimplify.c (gimplify_target_expr): Handle easy cases
1538 without creating a temporary.
1540 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1542 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1543 use of float in probability computations. Use edge probabilities
1544 in place of statically computed probabilities.
1545 (min_spec_prob): New static variable.
1546 (schedule_insns): Initialize it.
1547 (GET_SRC_PROB): Removed.
1548 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1550 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1553 * config/ia64/unwind-ia64.c: Revert last change.
1554 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1555 (INCOMING_FRAME_SP_OFFSET): Define.
1557 2006-02-06 Roger Sayle <roger@eyesopen.com>
1559 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1561 2006-02-07 Ben Elliston <bje@au.ibm.com>
1563 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1564 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1565 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1566 (ix86_return_in_memory): Handle TDmode.
1567 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1568 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1570 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1572 * reorg.c (dbr_schedule): Use dump_file instead of file.
1574 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1577 * config/ia64/predicates.md (extr_len_operand): New predicate.
1578 * config/ia64/ia64.md (extv): Tighten constraints.
1580 (*tbit_and_2): Ditto.
1581 (*tbit_and_3): Ditto.
1582 (*tbit_or_2): Ditto.
1583 (*tbit_or_3): Ditto.
1587 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1590 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1592 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1594 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1595 loop_optimizer_init and loop_optimizer_finalize
1596 * tree-ssa-sink.c (execute_sink_code): Ditto.
1597 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1598 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1599 tree_ssa_loop_done): Ditto.
1600 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1601 * sched-ebb.c: Include output.h.
1602 (schedule_ebbs): Do not use dump argument.
1603 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1604 * loop.c (loop_dump_stream): Removed.
1605 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1607 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1608 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1609 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1610 loop_iterations, strength_reduce, record_biv, record_giv,
1611 final_giv_value, check_final_value, check_ext_dependent_givs,
1612 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1613 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1614 dump_file instead of loop_dump_stream.
1615 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1617 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1619 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1620 * haifa-sched.c: Include output.h
1621 (schedule_insns, sched_init): Do not use dump argument.
1622 * mode-switching.c (optimize_mode_switching): Ditto.
1623 * modulo-sched.c (stats_file): Removed.
1624 (print_node_sched_params): Do not call argument dump_file.
1625 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1626 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1628 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1630 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1631 rtl_loop_init, rtl_loop_done): Ditto.
1632 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1633 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1635 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1636 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1637 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1638 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1639 * emit-rtl.c (renumber_insns): Ditto.
1640 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1641 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1642 * regclass.c (regclass): Ditto.
1643 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1644 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1645 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1646 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1648 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1649 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1651 * gcse.c (gcse_file, debug_stderr): Removed.
1652 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1653 rest_of_handle_gcse): Do not use dump argument.
1654 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1655 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1656 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1657 compute_code_hoist_vbeinout, compute_code_hoist_data,
1658 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1659 compute_store_table, build_store_vectors, insert_insn_start_bb,
1660 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1661 store_motion): Use dump_file instead of gcse_file.
1662 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1663 * profile.c (profile_dump_file): Removed.
1664 (branch_prob): Use dump_file instead of profile_dump_file.
1665 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1667 * tree-ssa-copy.c (dump_copy_of): Ditto.
1668 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1669 dump file to life_analysis.
1670 * bt-load.c (branch_target_load_optimize): Ditto.
1671 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1673 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1674 regclass, dbr_schedule): Declaration changed.
1675 * sched-int.h (sched_init): Declaration changed.
1676 * tree-profile.c (tree_profile_dump_file): Removed.
1677 (tree_profile_hooks): Removed profile_dump_file hook.
1678 * rtl-profile (rtl_profile_dump_file): Removed.
1679 (rtl_profile_hooks): emoved profile_dump_file hook.
1680 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1682 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1683 * tree-cfg.c (build_tree_cfg): Ditto.
1684 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1685 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1686 Declaration changed.
1687 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1688 life_analysis and schedule_insns.
1689 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1691 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1693 * config/mips/mips.c (mips_reorg): Ditto.
1694 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1697 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1699 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1700 (s390_mangle_fundamental_type): New.
1701 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1704 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1705 (alpha_mangle_fundamental_type): New.
1706 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1709 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1711 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1713 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1714 (sparc_mangle_fundamental_type): New.
1716 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1718 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1719 (s390x-*-linux*): Likewise.
1720 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1721 * config/s390/t-linux: New file.
1723 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1725 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1726 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1728 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1730 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1731 (ANTIC_SAFE_LOADS): New macro.
1732 (find_or_generate_expression): Add prototype.
1733 (set_contains_value): Allow null set for sake of not always having
1734 to allocate ANTIC_SAFE_LOADS.
1735 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1736 Allow COMPONENT_REF too.
1737 (valid_in_set): Allow COMPONENT_REF.
1738 Check ANTIC_SAFE_LOADS too.
1739 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1740 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1742 (can_PRE_operation): Add COMPONENT_REF.
1743 (create_component_ref_by_pieces): New function.
1744 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1745 (insert_aux): Move AGGREGATE_TYPE_P check here.
1746 (compute_avail): Set bb local stmt uids.
1747 (pass_pre): Use TODO_update_ssa_only_virtuals.
1749 2006-02-06 Ben Elliston <bje@au.ibm.com>
1751 * configure.ac: Unconditionally disable decimal float by default.
1752 * configure: Regenerate.
1754 2006-02-06 Ben Elliston <bje@au.ibm.com>
1756 * read-rtl.c (read_name): Terminate reading on EOF.
1758 2006-02-06 Ben Elliston <bje@au.ibm.com>
1760 * dfp.c (decimal_real_arithmetic): Change second argument type
1761 from int to enum tree_code. Do not always return true, but now
1762 return result of any call to decimal_do helper functions.
1763 * dfp.h (decimal_real_arithmetic): Update prototype.
1765 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1767 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1769 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1772 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1775 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1777 * tree-vrp.c (cfg_loops): Removed.
1778 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1779 Use current_loops instead of cfg_loops. Pass flags to
1780 loop_optimizer_init.
1781 * cfgloopmanip.c (fix_loop_structure): Update only available
1783 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1784 loop_optimizer_init.
1785 * modulo-sched.c (build_loops_structure): Removed.
1786 (sms_schedule): Use loop_optimizer_init.
1787 * loop-init.c (loop_optimizer_init): Use flags to determine
1788 which properties of loops to prepare.
1789 (rtl_loop_init): Pass flags to loop_optimizer_init.
1790 * tree-ssa-sink.c (execute_sink_code): Ditto.
1791 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1792 * tree-ssa-pre.c (init_pre): Ditto.
1793 * cfgloop.h (LOOPS_NORMAL): New.
1794 (loop_optimizer_init): Declaration changed.
1796 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1798 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1799 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1801 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1803 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1805 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1806 * pa/t-pa64: Delete quadlib.c rule.
1807 * pa/x-ada: Revert last change.
1808 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1810 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1812 PR rtl-optimization/26087
1813 * rtlanal.c (canonicalize_condition): Do not cross basic block
1816 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1819 * config/ia64/ia64.c: Include debug.h.
1820 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1821 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1822 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1823 (process_epilogue, process_set, process_for_unwind_directive):
1824 Output unwind info only if requested. Add CFA info if requested.
1825 Add new arguments as needed. Adjust callers.
1826 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1828 (DWARF2_FRAME_INFO): Define to zero.
1829 * config/ia64/unwind-ia64.c: Remove code that compensated for
1830 the CFA offset error fixed above.
1831 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1832 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1833 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1834 -funwind-tables and -fexceptions to enable frame info.
1835 (dwarf2out_frame_init): Define initial CFA even if
1836 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1837 DWARF2_UNWIND_INFO is nonzero, not just defined.
1838 (dwarf2out_frame_finish): Output non-EH call frame info only
1839 if DWARF2_FRAME_INFO is nonzero.
1840 (convert_cfa_to_loc_list,
1841 compute_frame_pointer_to_cfa_displacement): Define even if
1842 unwind info is not supported.
1843 (gen_subprogram_die): Use the above unconditionally. Remove
1844 legacy alternate code.
1845 * toplev.c (compile_file): Compile in call to
1846 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1847 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1849 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1850 Jakub Jelinek <jakub@redhat.com>
1852 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1853 IBM extended float format long double as "g" on powerpc*-linux.
1855 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1858 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1859 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1861 2006-02-03 Jason Merrill <jason@redhat.com>
1864 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1867 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1868 on the return slot if it's an NRV.
1870 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1872 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1873 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1874 rewrite_use): Do not handle USE_OUTER.
1875 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1876 add_iv_outer_candidates, may_replace_final_value,
1877 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1878 (find_interesting_uses_op): Functionality of
1879 find_interesting_uses_outer_or_nonlin moved here.
1880 (find_interesting_uses_outside): Use find_interesting_uses_op.
1882 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1885 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1887 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1888 Ulrich Weigand <uweigand@de.ibm.com>
1891 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1892 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1893 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1894 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1896 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1897 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1898 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1899 Define secondary reloads for TFmode moves.
1900 (constant_modes): Add TFmode.
1901 (NR_C_MODES): Set to 8.
1902 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1904 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1905 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1906 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1907 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1908 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1909 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1910 (FPR mode macro): Add TFmode.
1911 (DSF mode macro): New.
1912 (<de>, <dee> mode attributes): Removed.
1913 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1914 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1915 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1916 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1917 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1918 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1919 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1920 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1921 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1922 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1923 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1924 "*negabs<mode>2", "sqrt<mode>2"):
1925 Changed <de> to <xde>. R constraint replaced by <Rf>.
1926 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1928 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1929 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1930 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1932 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1933 "extenddftf2", "extendsftf2"): New expanders.
1934 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1935 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1936 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1937 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1939 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1940 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1941 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1942 __floatditf): Add a GCC_4.1.0 symbol version tag.
1943 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1946 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1949 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1950 Use targetm.binds_local_p instead of TREE_PUBLIC.
1952 2006-02-02 Roger Sayle <roger@eyesopen.com>
1954 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1955 on INTEGER_TYPEs to indicate that it denotes a character type.
1956 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1957 signed_char_type_node, unsigned_char_type_node and char_type_node.
1958 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1959 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1960 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1962 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1963 Daniel Berlin <dberlin@dberlin.org>
1965 * tree-tailcall.c (arg_needs_copy_p): New function.
1966 (eliminate_tail_call): Use arg_needs_copy_p.
1967 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1968 (add_virtual_phis): New function.
1970 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1972 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1973 #ignore instead of #scratch for %g7 .register directive.
1975 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1977 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1980 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1982 * flow.c (calculate_global_regs_live): Assert that there aren't any
1985 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1987 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1989 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1990 bsi_after_labels iterator.
1991 * tree-if-conv.c (find_phi_replacement_condition,
1992 replace_phi_with_cond_modify_expr): Likewise.
1993 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1994 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1996 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1998 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2000 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2003 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2004 array after growing it.
2006 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2009 * fold-const.c (fold_checksum_tree): Change type of buf.
2011 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2013 * reload.c (push_secondary_reload): Initialize t_icode.
2015 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2017 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2018 -msoft-float -mlong-double-128 only issue a warning, but don't
2019 swich to DFmode long double.
2021 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2023 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2024 has a constant equivalent, iterate over equivalents for arg0,
2025 calling simplify_relational_operation and if there's a result
2026 cheaper than X, apply fold_rtx and return the result.
2028 2006-02-01 Jan Hubicka <jh@suse.cz>
2030 * opts.c (no_unit_at_a_time_default): New global variable.
2031 (decode_options): Use it.
2032 * opts.h (no_unit_at_a_time_default): Declare.
2034 2006-02-01 Paul Brook <paul@codesourcery.com>
2036 * function.c (assign_parm_setup_reg): Use function argument promotion
2038 * expr.c (expand_expr_real_1): Use function argument promotion rules
2041 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2043 * gcc.c (process_command): Change j to 'unsigned int'.
2045 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2048 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2049 Use the corrected index for the character
2050 out of the string constant.
2052 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2054 * mode-switching.c (optimize_mode_switching): Fix size
2055 allocated for bb_info[n_entities].
2057 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2059 * gcc.c (main): Correct type that is allocated for
2060 explicit_link_files.
2062 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2064 * config/s390/s390.c (init_alignment_context): Set
2065 ALIAS_SET_MEMORY_BARRIER on the MEM.
2066 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2068 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2071 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2073 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2076 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2078 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2079 * regrename.c: Ditto.
2080 * tree-ssa-loop-im.c: Ditto.
2081 * tree-dump.c: Ditto.
2082 * tree-complex.c: Ditto.
2083 * genrecog.c: Ditto.
2084 * tree-ssa-threadupdate.c: Ditto.
2086 * java/class.c: Ditto.
2087 * java/jcf-parse.c: Ditto.
2088 * java/resource.c: Ditto.
2089 * java/except.c: Ditto.
2090 * java/jvspec.c: Ditto.
2091 * java/jcf-write.c: Ditto.
2092 * java/jcf-path.c: Ditto.
2093 * java/gjavah.c: Ditto.
2094 * java/zextract.c: Ditto.
2095 * java/jcf-io.c: Ditto.
2096 * java/jcf.h: Ditto.
2097 * java/buffer.c: Ditto.
2098 * java/lang.c: Ditto.
2099 * java/parse-scan.y: Ditto.
2100 * java/lex.c: Ditto.
2101 * java/lex.h: Ditto.
2102 * cfgloopmanip.c: Ditto.
2103 * postreload-gcse.c: Ditto.
2104 * tree-ssa-loop-manip.c: Ditto.
2105 * postreload.c: Ditto.
2106 * tree-ssa-loop-ch.c: Ditto.
2110 * diagnostic.c: Ditto.
2112 * genoutput.c: Ditto.
2114 * cfghooks.c: Ditto.
2115 * cfgloopanal.c: Ditto.
2116 * objc/objc-act.c: Ditto.
2118 * genextract.c: Ditto.
2119 * genautomata.c: Ditto.
2120 * pretty-print.c: Ditto.
2122 * cgraphunit.c: Ditto.
2125 * haifa-sched.c: Ditto.
2126 * dominance.c: Ditto.
2128 * tree-ssa-loop-ivopts.c: Ditto.
2130 * mode-switching.c: Ditto.
2131 * modulo-sched.c: Ditto.
2133 * ipa-pure-const.c: Ditto.
2135 * fix-header.c: Ditto.
2137 * tree-stdarg.c: Ditto.
2138 * ipa-utils.c: Ditto.
2139 * loop-init.c: Ditto.
2140 * ipa-inline.c: Ditto.
2143 * alloc-pool.c: Ditto.
2144 * dwarf2out.c: Ditto.
2146 * genattrtab.c: Ditto.
2147 * tree-ssa-loop-ivcanon.c: Ditto.
2151 * fortran/gfortranspec.c: Ditto.
2153 * local-alloc.c: Ditto.
2154 * langhooks.c: Ditto.
2155 * function.c: Ditto.
2156 * tree-vectorizer.c: Ditto.
2158 * ipa-type-escape.c: Ditto.
2160 * tree-if-conv.c: Ditto.
2163 * tree-data-ref.c: Ditto.
2164 * loop-unroll.c: Ditto.
2165 * treelang/treetree.c: Ditto.
2168 * ggc-common.c: Ditto.
2170 * coverage.c: Ditto.
2172 * tree-cfgcleanup.c: Ditto.
2173 * tree-ssa-pre.c: Ditto.
2174 * cfgcleanup.c: Ditto.
2175 * loop-invariant.c: Ditto.
2177 * ipa-prop.c: Ditto.
2178 * print-tree.c: Ditto.
2179 * conflict.c: Ditto.
2180 * ggc-page.c: Ditto.
2181 * sched-deps.c: Ditto.
2182 * regclass.c: Ditto.
2183 * tree-object-size.c: Ditto.
2185 * bb-reorder.c: Ditto.
2186 * resource.c: Ditto.
2187 * var-tracking.c: Ditto.
2189 * df-problems.c: Ditto.
2190 * reg-stack.c: Ditto.
2193 * sched-rgn.c: Ditto.
2194 * tree-ssa-structalias.c: Ditto.
2195 * tree-ssa-reassoc.c: Ditto.
2196 * config/darwin-c.c: Ditto.
2197 * config/darwin.c: Ditto.
2198 * config/arm/arm.c: Ditto.
2200 * collect2.c: Ditto.
2203 2006-01-31 Nicolas Pitre <nico@cam.org>
2205 * arm.md (smaxsi3): Make aware of smax_m1.
2208 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2210 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2212 2006-01-31 Richard Guenther <rguenther@suse.de>
2214 * doc/invoke.texi (-msselibm): Document.
2215 * target.h (expand_library_builtin): New target hook.
2216 * builtins.c (expand_builtin): Use expand_library_builtin.
2217 (default_expand_library_builtin): New function.
2218 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2219 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2220 (link_gcc_math_spec): Declare.
2221 (static_specs): Add link_gcc_math_spec.
2222 * expr.h (default_expand_library_builtin): Declare.
2223 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2224 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2225 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2226 * config/i386/i386.opt (msselibm): New target option.
2227 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2228 (ix86_init_sse_abi_builtins): New function.
2229 (ix86_expand_library_builtin): Likewise.
2230 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2231 (override_options): Handle error conditions wrt -msselibm.
2232 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2233 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2234 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2237 2006-01-31 Richard Guenther <rguenther@suse.de>
2238 Paolo Bonzini <bonzini@gnu.org>
2240 * doc/install.texi (--disable-libgcc-math): Document.
2242 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2244 * expr.h (expand_normal): new inline function.
2245 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2247 * dwarf2out.c: use it.
2252 * config/sparc/sparc.c: use it.
2253 * config/i386/i386.c: use it.
2254 * config/rs6000/rs6000.c: use it.
2255 * config/arm/arm.c: use it.
2256 * config/mips/mips.c: use it.
2257 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2259 2006-01-30 Roger Sayle <roger@eyesopen.com>
2261 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2262 argv to the appropriate type.
2264 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2266 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2269 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2272 * config/s390/s390.c (struct machine_function): New flag
2273 decomposed_literal_pool_addresses_ok_p.
2274 (s390_reorg): Set it before final stage of literal pool transforms.
2275 (s390_decompose_address): Only accept displacements of the form
2276 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2278 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2280 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2281 the comparison routine return.
2283 2006-01-30 Michael Matz <matz@suse.de>
2285 * global.c (find_reg): Only evict for global regs.
2286 Take n_refs into account and dump more info.
2288 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2291 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2292 (pragma_trap, pragma_nosave_low_regs): Likewise.
2293 (current_function_anonymous_args): Likewise.
2294 (sh_deferred_function_attributes): New variable.
2295 (sh_deferred_function_attributes_tail): Likewise.
2296 (print_operand): For '@', look up trap_exit attribute.
2297 (calc_live_regs): Look up trapa_handler attribute. For trapa
2298 handlers, save/restore fpscr, but don't do any other
2299 interrupt-specific saves.
2300 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2301 Fix check for partially saved registers to check for SHmedia.
2302 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2303 (sh_output_function_epilogue): Don't clear any of the removed
2305 (sh_insert_attributes): Don't check pragma_interrupt.
2306 Insert deferred attributes. Check that interrupt attribute is
2307 present for other attributes that require its presence.
2308 (sh_attribute_table): Add new attributes trapa_handler and
2310 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2311 Don't check for pragma_interrupt. Don't store argument.
2312 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2313 (sh_deferred_function_attributes): Declare.
2314 (sh_deferred_function_attributes_tail): Likewise.
2315 * sh.md (sp_switch_1): Add operand. Change generator caller.
2316 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2317 (*return_i): Don't use when trap_exit attribute is in effect.
2318 (*return_trapa): New insn pattern.
2320 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2321 setting c_target_objs and cxx_target_objs.
2322 * t-sh: Add rule for sh-c.o.
2324 2006-01-30 Richard Guenther <rguenther@suse.de>
2327 * gimplify.c (gimplify_target_expr): Handle easy cases
2328 without creating a temporary.
2330 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2332 * vec.h (safe_grow): Remove duplicated line.
2334 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2337 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2338 (expand_omp): ... here.
2339 (expand_omp_parallel): Only remove barriers for combined
2340 parallel+workshare constructs.
2342 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2346 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2347 * tree.c (build_qualified_type): Chain the new type to the original
2348 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2349 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2350 (build_pointer_type_for_mode): Only return unqualified types.
2351 (build_reference_type_for_mode): Likewise.
2353 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2355 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2356 * Makefile.in (CXX_COMPAT_WARN): Define.
2357 * configure: Regenerate.
2359 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2362 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2365 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2367 * toplev.c: Fix thinko.
2369 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2370 Marcin Dalecki <martin@dalecki.de>
2372 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2373 (push_srcloc): Use XNEW.
2374 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2376 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2378 * df-core.c (df_set_blocks): Deleted all variable.
2380 2006-01-28 Ian Lance Taylor <ian@airs.com>
2382 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2383 cgraph_output_pending_asms.
2385 2006-01-28 Zack Weinberg <zackw@panix.com>
2387 * c.opt: Add -W(no-)overlength-strings.
2388 * doc/invoke.texi: Document it.
2389 * c-opts.c (c_common_handle_option): -pedantic implies
2390 -Woverlength-strings, if not explicitly disabled already.
2391 (c_common_post_options): -Woverlength-strings defaults to off, and
2392 is always off for C++.
2393 * c-common.c (fix_string_type): Issue warning about strings longer
2394 than is portable only if warn_overlength_strings. Rearrange code
2395 a little for clarity.
2396 * configure.in: Check for -Wno-overlength-strings as well before
2397 enabling -pedantic in stage 1.
2398 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2399 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2401 * genconditions.c (write_header, write_one_condition)
2402 (write_conditions, write_writer): Consolidate very long strings
2403 that were broken up to fit in C89 portable limit. Don't use
2404 printf when fputs will do.
2406 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2408 * combine.c (simplify_comparison <AND>): Check
2409 TRULY_NOOP_TRUNCATION before start using a subreg.
2411 * config/mips/mips.md (*branch_zero<mode>,
2412 *branch_zero<mode>_inverted, *branch_equality<mode>,
2413 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2414 Remove mode check from comparisons.
2416 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2418 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2420 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2422 * expmed.c (const_mult_add_overflow_p): Remove.
2423 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2425 * recog.c (validate_replace_rtx_subexp): Remove.
2426 * recog.h: Remove the prototype for
2427 validate_replace_rtx_subexp.
2429 * integrate.h: Remove the prototype for
2430 copy_decl_for_inlining.
2431 * rtl.h: Remove the prototype for mark_constant_function.
2432 * tree-vectorizer.h: Remove the prototype for
2433 vect_strip_conversion.
2435 * modulo-sched.c (create_partial_schedule,
2436 free_partial_schedule, reset_partial_schedule): Make them
2439 * hooks.c (hook_bool_rtx_int_false): Remove.
2440 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2442 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2444 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2445 and -mlong-double-128 are incompatible.
2446 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2447 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2448 (TARGET_LIBGCC2_CFLAGS): Define.
2449 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2450 (TARGET_LIBGCC2_CFLAGS): Same.
2451 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2453 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2456 * c-typeck.c (build_binary_op): Perform implicit casts of
2457 operands before shortening them.
2459 * cfgloopmanip.c (split_loop_bb): Remove.
2460 * cfgloop.h: Remove the prototype for split_loop_bb.
2462 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2463 * cfgloop.h: Remove the prototype for
2464 flow_loop_outside_edge_p.
2466 * emit-rtl.c (init_virtual_regs): Make it static.
2467 * function.h: Remove the prototype for init_virtual_regs.
2469 * recog.c (peephole2_optimize): Make it static.
2470 * recog.h: Remove the prototype for peephole2_optimize.
2472 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2474 * df-scan.c (df_record_entry_block_defs): Check if
2475 INCOMING_RETURN_ADDR_RTX is defined.
2477 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2478 Kenneth Zadeck <zadeck@naturalbridge.com>
2480 PR rtl-optimization/24762
2481 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2482 * targhooks.c (hook_void_bitmap): New hook prototype.
2483 * targhoohs.h (hook_void_bitmap): Ditto.
2484 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2485 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2486 * target.h (live_on_entry): New function pointer.
2487 * df-scan.c (df_all_hard_regs): Removed.
2488 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2489 (df_scan_free_internal): Added df->entry_block_defs.
2490 (df_scan_alloc): Ditto.
2491 (df_scan_dump): Ditto.
2492 (df_uses_record): Plumbed flag field properly thru calls.
2493 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2494 This part fixes PR24762.
2495 (df_bb_refs_record): Added code to make the frame and arg
2496 pointers live in EH blocks.
2497 (df_refs_record): Added call to df_record_entry_block_defs.
2498 (df_record_entry_block_defs): New function.
2499 * df-core.c: Added comments to describe new artifical defs.
2500 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2501 (entry_block_defs): New field in struct df.
2502 (df_all_hard_regs): Deleted.
2503 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2504 * df-problems.c (df_ru_bb_local_compute_process_def):
2505 Added code to handle artifical defs in the entry to a function.
2506 (df_ru_bb_local_compute): Ditto.
2507 (df_rd_bb_local_compute_process_def): Ditto.
2508 (df_rd_bb_local_compute): Ditto.
2509 (df_lr_bb_local_compute): Ditto.
2510 (df_ur_bb_local_compute): Ditto.
2511 (df_urec_bb_local_compute): Ditto.
2512 (df_chain_create_bb): Ditto.
2513 (df_ur_local_finalize): Removed entry.
2514 (df_urec_init): Ditto.
2515 (df_urec_local_finalize): Ditto.
2516 (df_ri_bb_compute): Added detection of last use of pseudos.
2517 * Makefile.in (df-scan.o): Updated dependencies.
2518 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2519 * config/mips/mips.c (mips_set_live_on_entry): Added.
2520 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2522 * dce.c (marked_insn_p): Added code to handle artifical defs.
2524 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2526 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2528 (_mm_cvtsi128_si64): Likewise.
2529 (_mm_cvtsd_si64): Likewise.
2530 (_mm_cvttsd_si64): Likewise.
2531 (_mm_cvtsi64_sd): Likewise.
2532 (_mm_cvtsi64_si128): Likewise.
2533 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2534 (_mm_cvtsi64_m64): Likewise.
2535 (_m_to_int64): Likewise.
2536 (_mm_cvtm64_si64): Likewise.
2537 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2538 (_mm_cvttss_si64): Likewise.
2539 (_mm_cvtsi64_ss): Likewise.
2540 (_mm_cvtss_f32): Likewise.
2542 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2544 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2545 for pragma redefine_extname.
2547 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2550 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2551 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2552 -mno-minimal-toc to previous content.
2553 (bispecs): Remove goal.
2554 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2555 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2556 compatibility aliases on powerpc-*-*gnu*.
2557 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2558 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2559 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2560 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2561 (ldblspecs): New goal.
2562 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2563 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2565 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2566 L_sf_to_tf or L_df_to_tf is defined.
2568 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2569 Alan Modra <amodra@bigpond.net.au>
2572 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2573 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2574 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2575 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2576 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2577 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2578 (rs6000_override_options): Initialize rs6000_ieeequad.
2579 Initialize TFmode format to ibm_extended_format if not
2581 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2583 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2584 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2585 (function_arg_advance): IBM long double passed in two FPRs, not
2587 (function_arg): IBM long double passed in FPRs.
2588 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2589 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2590 Only multireg GPR aligned.
2591 (rs6000_init_libfuncs): Enable IBM long double functions if not
2593 (rs6000_generate_compare): Use IBM long double compare if not
2595 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2596 (TARGET_IEEEQUAD): Define.
2597 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2598 not TARGET_IEEEQUAD.
2599 * config/rs6000/rs6000.md: Enable TFmode patterns if
2601 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2602 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2603 and -mlong-double-128 are incompatible.
2604 * doc/invoke.texi (-mabi): Collect options together. Add
2605 ibmlongdouble and ieeelongdouble.
2607 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2609 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2611 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2612 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2613 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2614 * rtl.h (rtunion_def): Remove rt_ptr.
2616 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2617 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2618 * config/i386/winnt.c (i386_pe_mark_dllexport)
2619 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2621 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2623 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2625 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2629 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2630 pthread_key_delete. From John David Anglin. gthrw-ify
2631 pthread_getunique_np only if it it's not a macro. Delete
2633 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2634 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2635 __gthread_objc_condition_signal, __gthread_key_delete): Add
2636 "__attribute__ ((__unused__))" to unused arguments.
2637 (__gthread_recursive_mutex_init_function): Add missing return.
2638 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2639 gthr-posix95.h: Use macro-based approach for name redirection
2640 on targets missing weakref.
2642 2006-01-26 Zack Weinberg <zackw@panix.com>
2644 * genconditions.c (write_header): In generated code, #ifdef out
2645 all includes and fake declarations, except includes of bconfig.h
2646 and system.h, unless GCC_VERSION >= 3001. Do not include
2647 gensupport.h in any case.
2648 (write_conditions): Generate a definition of struct c_test. Add
2649 a comment to the generated #endif.
2650 (write_one_condition): Escape backslashes in string too.
2651 (write_writer): Generated code must escape backslashes and quote
2652 marks (but not newlines) in the strings it writes.
2653 * Makefile.in (build/gencondmd.o): Update dependencies.
2655 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2658 * Makefile.in (insn-automata.o): Add header file dependencies.
2659 * genautomata.c: Add includes.
2661 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2664 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2666 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2668 * configure.ac: Expect target tools paths to be passed from the toplevel
2669 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2671 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2673 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2676 * c.opt (Wpointer-sign): Init to -1.
2677 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2678 OPT_pedantic, to 0 otherwise.
2679 * doc/invoke.texi: Update.
2681 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2683 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2684 constants provided by 80387 instructions in the destination mode.
2686 2006-01-26 Richard Guenther <rguenther@suse.de>
2687 Andrew Pinski <pinskia@physics.uc.edu>
2690 partial PR tree-opt/17064
2691 * tree-ssa-structalias.c (intra_create_variable_infos):
2692 Create heap variables for incoming parameters if
2693 flag_argument_noalias > 1.
2694 (find_what_p_points_to): Look through default defs of
2697 2006-01-26 Jeff Law <law@redhat.com>
2700 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2701 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2702 within the VR_RANGE, use the VR_RANGE as the result, not the
2704 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2705 bounds for the type.
2707 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2709 * tree-ssa-alias.c (maybe_create_global_var): Change
2710 subvar walking to an assertion that we don't have subvar'd variables.
2712 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2715 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2716 Use a new variable, inner. PARM_DECLs are always non-weak.
2718 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2720 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2723 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2725 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2727 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2729 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2730 (smax_insn, smin_insn, smax_0, smin_0): New.
2732 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2735 * config/cris/cris.c (cris_order_for_addsi3): New function.
2736 * config/cris/cris-protos.h: Prototype it.
2737 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2738 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2739 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2740 (split for "op.S1 [rx=rx+i],ry (swapped)")
2741 (split for "op(s|u).S1 [rx=rx+i],ry")
2742 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2743 Apply cris_order_for_addsi3 when generating addsi3 insns.
2745 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2747 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2748 (TREE_BLOCK): Add call to EXPR_CHECK.
2750 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2753 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2754 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2755 (dump_omp_clauses): ... here.
2756 (dump_generic_node): Handle OMP_CLAUSE.
2757 * tree.c (omp_clause_num_ops): New.
2758 (omp_clause_code_name): New.
2759 (tree_code_size): Handle OMP_CLAUSE.
2760 (tree_size): Likewise.
2761 (make_node): Document handling of OMP_CLAUSE.
2762 (tree_node_structure): Handle OMP_CLAUSE.
2763 (omp_clause_check_failed): New.
2764 (omp_clause_range_check_failed): New.
2765 (omp_clause_operand_check_failed): New.
2766 (build_omp_clause): New.
2767 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2768 * tree.h (enum omp_clause_code): Declare.
2769 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2770 (OMP_CLAUSE_RANGE_CHECK): Define.
2771 (OMP_CLAUSE_ELT_CHECK): Define.
2772 (omp_clause_check_failed): Declare.
2773 (omp_clause_operand_check_failed): Declare.
2774 (omp_clause_range_check_failed): Declare.
2775 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2776 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2777 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2778 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2779 (OMP_CLAUSE_IF_EXPR): Likewise.
2780 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2781 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2782 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2783 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2784 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2785 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2786 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2787 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2788 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2789 (OMP_CLAUSE_CODE): Define.
2790 (OMP_CLAUSE_SET_CODE): Define.
2791 (OMP_CLAUSE_CODE): Define.
2792 (OMP_CLAUSE_OPERAND): Define.
2793 (struct tree_omp_clause): Declare.
2794 (union tree_node): Add field 'omp_clause'.
2795 * treestruct.def (TS_OMP_CLAUSE): Define.
2796 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2797 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2798 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2799 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2800 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2801 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2802 (OMP_CLAUSE): Define.
2803 * print-tree.c (print_node): Handle OMP_CLAUSE.
2804 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2805 * c-typeck.c: Likewise.
2806 * gimplify.c: Likewise.
2807 * c-omp.c: Likewise.
2808 * tree-nested.c: Likewise.
2809 * tree-inline.c: Likewise.
2810 * c-parser.c: Likewise.
2811 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2814 2006-01-25 Roger Sayle <roger@eyesopen.com>
2816 PR rtl-optimization/25703
2817 * combine.c (try_combine): Handle zero_extract and strict_low_part
2818 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2820 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2822 * global.c: Fix comment typos.
2824 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2827 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2828 Use output_addr_const instead of assemble_name.
2830 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2832 * Makefile.in (sched-vis.o): Update dependencies.
2833 * haifa-sched.c (sched_finish): Clear current_sched_info.
2834 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2835 (dump_flow_info): Call it.
2836 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2838 * basic-block.h (dump_bb_info): Declare.
2839 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2840 option, and apply options only for dump files whose TDF_RTL,
2841 TDF_TREE, or TDF_IPA bits match.
2842 * rtl.h: Declare new functions exported from sched-vis.c.
2843 * sched-vis.c: Enable also if scheduling is not used.
2844 (print_value): Print the mode of registers if not inside scheduling.
2845 (print_insn): Make it work outside the scheduler. Beautify the output
2847 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2849 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2851 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2852 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2853 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2854 depending on the value of CONSTANT_POOL_ADDRESS_P.
2855 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2857 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2858 rather than SYMBOL_REF_DECL.
2859 (rtx_constant_pool): Remove const_rtx_sym_htab.
2860 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2861 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2862 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2863 Remove handling of const_rtx_sym_htab.
2864 (find_pool_constant): Delete.
2865 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2866 rather than find_pool_constant.
2867 (get_pool_constant_for_function): Delete.
2868 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2870 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2871 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2872 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2873 (SYMBOL_REF_CONSTANT): New macro.
2874 (get_pool_constant_for_function): Delete.
2875 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2876 rather than SYMBOL_REF_DECL.
2877 (i386_pe_mark_dllimport): Likewise.
2878 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2879 rather than SYMBOL_REF_DECL.
2880 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2881 (machopic_indirect_call_target): Likewise.
2883 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2885 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2887 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2889 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2891 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2893 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2895 2006-01-24 David Daney <ddaney@avtrex.com>
2898 * configure.ac (enable_tls): New enable option.
2899 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2900 * configure: Regenerate.
2901 * doc/install.texi (--enable-tls): Document new option.
2902 (--disable-tls): Ditto.
2904 2006-01-24 Richard Henderson <rth@redehat.com>
2906 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2907 * alias.c (true_dependence): Respect it.
2908 (canon_true_dependence, write_dependence_p): Likewise.
2909 * builtins.c (get_builtin_sync_mem): Set it.
2911 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2913 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2916 2006-01-24 DJ Delorie <dj@redhat.com>
2918 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2919 for storing constants in single-bit bitfields.
2921 2006-01-25 Ben Elliston <bje@au.ibm.com>
2923 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2925 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2928 * tree-ssa-pre.c (phi_translate): Return NULL
2929 for AGGREGATE_TYPE's.
2931 2006-01-24 Zack Weinberg <zackw@panix.com>
2933 * genautomata.c (process_state_for_insn_equiv_partition):
2934 Use xcalloc for insn_arcs_array.
2935 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2936 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2938 2006-01-24 Richard Henderson <rth@redhat.com>
2940 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2943 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2945 PR rtl-optimization/25890
2946 PR rtl-optimization/25905
2947 * combine.c (expand_compound_operation, expand_field_assignment):
2948 Fail if the bitfield's final position is out of bounds.
2950 2006-01-24 Ian Lance Taylor <ian@airs.com>
2953 * cgraphunit.c (cgraph_output_in_order): Don't clear
2954 cgraph_asm_nodes until after asm strings have been output.
2956 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2958 * fix-header.c (read_scan_file): Add new parameter imultilib when
2959 calling register_include_chains.
2961 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2963 * omp-low.c: Update documentation.
2965 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2966 Daniel Berlin <dberlin@dberlin.org>
2970 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2971 return from the function.
2973 2006-01-22 Zack Weinberg <zackw@panix.com>
2975 * rtl.def (match_code): Add second argument.
2976 * genpreds.c (write_extract_subexp): New function.
2977 (write_match_code): Add path argument. Use write_extract_subexp.
2978 (write_predicate_expr): Pass path to write_match_code.
2979 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2980 not perform a mode test.
2981 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2982 a subexpression does not constrain the top-level code set.
2983 * read-rtl.c (read_rtx_variadic): New function.
2984 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2985 * doc/md.texi: Document new notation.
2986 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2987 (cmpsi_operand): ... here, using new notation.
2989 2006-01-22 Zack Weinberg <zackw@panix.com>
2991 * varray.c: Remove GENERATOR_FILE #ifdefs.
2993 2006-01-22 Zack Weinberg <zackw@panix.com>
2995 * genautomata.c (output_reserved_units_table): Emit nothing if
2996 description->query_units_num is zero. Remove extra blank line.
2997 (output_cpu_unit_reservation_p): Short circuit
2998 if description->query_units_num is zero.
3000 2006-01-22 Zack Weinberg <zackw@panix.com>
3002 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3003 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3004 nor any of the random handful of variables that used to be necessary
3005 when this program was linked with rtlanal.o. Prune set of forward
3006 function declarations.
3007 (struct attr_desc): Remove static_p field.
3008 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3009 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3010 (attr_string): Do not read the character one past the length of
3012 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3013 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3014 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3015 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3016 (make_automaton_attrs): New.
3017 (main): Do not call into genautomata. Call local gen_bypass
3018 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3019 Remove special case for insn_alts.
3020 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3021 varray.h (leftover from previous change). Prune set of forward
3022 function declarations. Remove state_alts fields from all
3023 structures. Remove state_alts_table from struct automaton.
3024 Make everything except main static. Do not maintain num_dfa_decls.
3025 Do not maintain state_alts fields of various structures.
3026 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3027 (add_arc): Remove state_alts argument. All callers updated.
3028 (output_reserved_units_table): Emit #ifdef here...
3029 (output_tables): ...not here. Don't generate state_alts tables.
3030 (expand_automata): Don't generate attributes.
3031 (write_automata): Don't generate state_alts functions.
3032 (main): New function.
3033 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3034 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3035 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3036 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3037 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3038 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3039 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3040 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3042 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3043 * genattrtab.h: Delete file.
3044 * Makefile.in (OBJS-common): Add insn-automata.o.
3045 (insn-automata.o): New rule.
3046 (simple_generated_c): Add insn-automata.c.
3047 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3048 (genprogmd): Add automata.
3049 (build/genattrtab): Needs no extra objects nor libraries.
3050 (build/genautomata): Needs build/vec.o and -lm.
3052 2006-01-22 Zack Weinberg <zackw@panix.com>
3054 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3055 (output_dfa_max_issue_rate, locked_states_num): Delete.
3056 (struct automaton): Add locked_states field.
3057 (output_dead_lock_vect): Save number of locked states in
3058 automaton->locked_states. If it is zero, don't print anything.
3059 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3060 (output_internal_dead_lock_func): Only test the dead_lock_vect
3061 for automata that have locked states.
3062 (output_statistics): Always print the number of locked states for
3063 each automaton. Calculate total number of locked states here.
3064 (write_automata): Don't call output_dfa_max_issue_rate.
3065 * genattrtab.c: Define length_unit_log as a const variable.
3066 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3067 max_insn_queue_index const.
3068 * final.c (length_unit_log): Declare const.
3069 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3071 2006-01-22 Zack Weinberg <zackw@panix.com>
3073 * genautomata.c: Include vec.h, not varray.h.
3074 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3075 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3076 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3077 VEC_* macros operating on appropriately typed vectors, or to
3078 malloced arrays when the size is known in advance. Const-ify
3079 many char* variables and function arguments. No functional changes.
3080 * Makefile.in (build/varray.o): Delete rule.
3081 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3082 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3084 2006-01-22 Zack Weinberg <zackw@panix.com>
3086 * gensupport.c: Define get_insn_name and record_insn_name here.
3087 (read_md_rtx): Call record_insn_name as appropriate.
3088 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3089 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3090 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3092 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3093 (BUILD_VARRAY): Delete.
3094 (genprognormal): Rename genprogmd. Fold in all programs from
3095 genprognoprint; also attrtab.
3096 (build/genattrtab): Just mention genautomata.o and varray.o.
3097 Reorganize a bit, add comments to make the categories clearer.
3099 2006-01-22 Zack Weinberg <zackw@panix.com>
3101 * genconditions.c (condition_table, add_condition): Delete.
3102 (write_conditions): Don't emit n_insn_conditions nor
3103 insn_elision_unavailable. Issue the gcc version #ifdef here,
3104 inside the table, with no #else clause ...
3105 (write_header): ...not here.
3106 (write_writer): New function.
3107 (main): Don't initialize condition_table. Use add_c_test.
3109 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3110 files on the command line.
3111 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3112 Return -1 if there is no entry in the table, don't abort.
3113 (add_c_test, traverse_c_tests): New functions.
3114 * gensupport.h (insn_elision_unavailable, insn_conditions)
3115 (n_insn_conditions): Delete declarations.
3116 (add_c_test, traverse_c_tests): Declare.
3117 * read-rtl.c: Include gensupport.h.
3118 (read_conditions): New function.
3119 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3120 (read_rtx_1): If we get EOF when we were looking for an initial
3121 open paren, return 0. Call read_conditions when appropriate.
3122 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3123 dummy-conditions.o. Eliminate references to insn-conditions.o,
3124 or change them to build/gencondmd.o, as appropriate. Remove
3125 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3126 from $(simple_generated_c). For all files remaining in those
3127 two lists, add insn-conditions.md to the generator command line.
3128 Give insn-constants.h/s-constants their own rules. Add rules
3129 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3130 (build/read-rtl.o): Depend on gensupport.h.
3131 (genprognormal): Include preds.
3132 (genprogearly): Rename genprognoprint; only difference is now that
3133 they don't link with $(BUILD_PRINT).
3134 * dummy-conditions.c: Delete.
3136 2006-01-22 Zack Weinberg <zackw@panix.com>
3138 * genextract.c: Don't include insn-config.h. Do include vec.h.
3139 Declare vectors of int, char, and locstr.
3140 (locstr): New typedef.
3141 (struct extraction): Make all array fields into bare pointers.
3142 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3143 (insn_code_number): Delete.
3144 (accum_extract): New struct.
3145 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3146 (gen_insn): Take insn_code_number as an argument. Use an
3147 accum_extract structure instead of loading data directly into
3148 a struct extraction, and having to know how big it might get.
3149 (walk_rtx): Operate entirely on an accum_extract structure.
3150 (print_path): Avoid unnecessary use of printf.
3151 (print_header): New function, split out of main. Distinguish
3152 more carefully between an unrecognizable insn and an insn that
3153 has the code number of a define_expand.
3154 (main): Pass insn_code_number to gen_insn. Call print_header
3155 only after parsing. Avoid unnecessary use of printf.
3156 * Makefile.in (build/vec.o): New rule.
3157 (build/genextract): Depend on build/vec.o.
3158 (build/genextract.o): Don't depend on insn-config.h.
3160 2006-01-22 Zack Weinberg <zackw@panix.com>
3162 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3163 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3164 practical. Eliminate per-generator-program link rules.
3166 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3169 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3170 with a call expr to ...
3171 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3173 2006-01-23 Richard Guenther <rguenther@suse.de>
3175 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3176 before make_edge with conditional EDGE_TRUE_VALUE.
3178 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3179 Jan Hubicka <jh@suse.cz>
3180 Richard Guenther <rguenther@suse.de>
3182 PR rtl-optimization/25654
3183 * cfgexpand.c (aggregate_contains_union_type): New function.
3184 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3185 for structure variables that contain a union type.
3187 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3189 * gengtype.c (new_structure): Return the structure.
3190 (create_option): Add an extra "next" argument.
3191 (create_field): New function.
3192 (adjust_field_rtx_def): Use create_option and create_field.
3193 Remove a now-unnecessary call to find_structure.
3194 (adjust_field_tree_def): Likewise.
3195 (note_yacc_type): Remove an unnecessary call to find_structure.
3196 * gengtype.h (new_structure): Return the structure.
3197 (create_option): Add an extra argument.
3198 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3199 (option): Adjust calls to create_option.
3201 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3203 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3205 2006-01-22 Paul Brook <paul@codesourcery.com>
3206 Peter Barada <peter@the-baradas.com>
3208 * config/m68k/m68k.md: Add Coldfire FPU support.
3209 Define FP mode macro and associated attributes.
3210 Use it for float mode patterns.
3211 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3212 (LIBCALL_VALUE): Use m68k_libcall_value.
3213 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3214 (m68k_function_value): Ditto.
3215 (emit_move_sequence): Ditto.
3216 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3217 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3218 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3219 (MULTILIB_EXCEPTIONS): Ditto.
3220 * config/m68k/m68k.opt: Add mcfv4e.
3221 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3222 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3223 (m68k_output_function_prologue): Save ColdFire FPU registers.
3224 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3225 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3226 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3227 ColdFire FPU registers.
3228 (m68k_libcall_value, m68k_function_value): New functions.
3229 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3230 (LIBCALL_VALUE): Use m68k_libcall_value.
3231 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3232 (MASK_COLDFIRE): Add MASK_CFV4E.
3233 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3234 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3235 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3236 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3237 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3238 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3239 * doc/invoke.tex: Document -mcfv4e on m68k.
3241 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3243 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3246 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3249 * c-opts.c (c_common_handle_option): Don't include
3250 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3251 * doc/invoke.texi (C++ Dialect Options): Document that
3252 -Wnon-virtual-dtor is no longer included in -Wall.
3254 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3256 * gcov.c (print_version), gcov-dump.c (print_version),
3257 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3260 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3262 * df-scan.c (problem_SCAN): Added NULL reset function.
3263 (df_scan_reset_blocks): Added code to call reset block function
3264 (df_bb_refs_delete) Fixed comment.
3265 (df_insn_refs_delete): Made tolerant of deleting non existent info
3266 for dataflow problems that need to be reset.
3267 * df-core.c (df_set_blocks): Ditto.
3268 * df.h (struct df_problem): Added reset_fun.
3269 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3270 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3271 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3272 functions to clear out all references to def-use or use-def chains.
3274 2006-01-21 Ben Elliston <bje@au.ibm.com>
3276 * varasm.c (assemble_real): Initialise data array.
3278 2006-01-20 Paul Brook <paul@codesourcery.com>
3280 Merge from csl-arm-branch.
3281 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3282 * config/arm/arm.md (movdi): Force operands[1] to a register
3283 if we have a non-register source.
3284 (*arm_movdi, *movdf_soft_insn): Require that one of the
3285 operands be a register.
3286 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3287 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3289 2006-01-20 DJ Delorie <dj@redhat.com>
3291 * varasm.c (initialize_constant_valid_p): Allow pointers
3292 initialized from integer constants of lesser precision.
3293 (output_constant): Allow non-int-sized pointer modes to be
3294 initialized from integer constants.
3296 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3299 * cppdefault.h (struct default_include): Add multilib flag.
3300 * cppdefault.c (cpp_include_defaults): Set it.
3301 * c.opt (-imultilib): New option.
3302 * c-opts.c (imultilib): New.
3303 (c_common_handle_option): Handle -imultilib.
3304 (c_common_post_options): Likewise.
3305 * c-incpath.c (add_standard_paths, register_include_chains):
3307 * c-incpath.h (register_include_chains): Add extra parameter.
3308 * gcc.c (do_spec_1): Generate -imultilib option.
3309 (The Specs Language): Update %I description.
3310 (process_command): Update copyright notice.
3311 * doc/cppopts.texi (-imultilib): Document.
3312 * doc/invoke.texi (-imultilib): Include in option summary.
3313 (%I): Update specs documentation.
3315 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3317 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3319 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3321 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3324 2006-01-20 Richard Guenther <rguenther@suse.de>
3325 Steven Bosscher <stevenb.gcc@gmail.com>
3327 PR rtl-optimization/24626
3328 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3329 EDGE_TRUE_VALUE if in RTL mode.
3332 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3333 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3335 2006-01-20 Dirk Mueller <dmueller@suse.com>
3338 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3339 instead of a special NOP marker.
3340 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3341 NOP marker handling.
3342 * c-common.h (empty_body_warning): Add forward declaration.
3343 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3344 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3346 2006-01-20 Paul Brook <paul@codesourcery.com>
3348 * Makefile.in (lang_checks): Keep going if mkdir fails.
3350 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3352 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3353 be able to clean out basic block when not necessary.
3354 (df_scan_free): Fixed to properly delete information if df is
3355 unused before calling df_finish.
3356 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3357 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3359 (df_bb_refs_delete): New function.
3360 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3361 * df-core.c (df_set_blocks): Added code to properly clean out
3362 unused blocks if they are not part of the blocks to consider.
3363 Added additional null check.
3364 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3365 be able to clean out basic block when not necessary
3366 * df.h (df_free_bb_function): Ditto.
3367 (df_bb_refs_delete): New function.
3368 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3369 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3370 basic block parameter to be able to clean out basic block when not
3372 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3373 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3374 Fixed to properly delete information if df is unused before
3377 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3379 PR rtl-optimization/25799
3380 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3381 Corrected confluence operator to remove bits from op2 before oring
3382 with op1 rather than removing bits from op1.
3383 (df_ru_transfer_function): Corrected test on wrong bitmap which
3384 caused infinite loop. Both of these problems were introduced in
3385 the dataflow rewrite.
3387 2006-01-19 DJ Delorie <dj@redhat.com>
3389 * reload1.c (find_reload_regs): Note the details of reload
3390 failures in the dump file.
3391 (spill_failure): Likewise.
3393 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3395 * loop-iv.c: Include df.h and hashtab.h.
3396 (enum iv_grd_result): New enum.
3397 (DF_REF_IV, DF_REF_IV_SET): New macros.
3398 (struct biv_entry): New.
3399 (df, bivs): New global variables.
3400 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3401 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3403 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3404 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3405 analyzed_for_bivness_p, record_biv): New functions.
3406 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3407 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3408 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3410 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3412 (iv_number_of_iterations): Use new interface to iv analysis.
3413 * loop-unroll.c: Do not include varray.h.
3414 (analyze_iv_to_split_insn): Use new interface to iv
3416 * loop-unswitch.c (may_unswitch_on): Ditto.
3417 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3419 (df_bb_modify): Realloc tables to the new index.
3420 (df_find_use): New function.
3421 * df.h (df_find_use): Declare.
3422 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3424 * cfgloop.h (struct rtx_iv): Remove analysed field.
3425 (iv_get_reaching_def): Removed.
3426 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3427 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3428 (loop-iv.o): Add df.h and hashtab.h dependency.
3429 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3431 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3434 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3436 (__floatundisf, __floatundidf): Likewise.
3437 * libgcc2.h (IS_IBM_EXTENDED): Define.
3439 2006-01-19 DJ Delorie <dj@redhat.com>
3441 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3443 2006-01-19 Paul Brook <paul@codesourcery.com>
3445 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3446 as nothrow when unwinding tables are disabled.
3448 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3451 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3452 of bit-field" when in system header.
3454 2006-01-19 DJ Delorie <dj@redhat.com>
3456 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3457 the 16 bit shift limit of the m16c.
3459 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3462 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3463 * config/i386/i386.c (output_set_got): Output the label if we have one
3464 for the TARGET_DEEP_BRANCH_PREDICTION case.
3466 2006-01-19 Jan Hubicka <jh@suse.cz>
3467 H.J. Lu <hongjiu.lu@intel.com>
3468 Evandro Menezes <evandro.menezes@amd.com>
3470 * invoke.texi (generic): Document
3472 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3473 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3474 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3475 (x86_use_incdec, x86_pad_returns): New variables
3476 (TARGET_CPU_DEFAULT_generic): New constant
3477 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3478 (enum processor_type): Add generic32 and generic64.
3479 * i386.md (cpu attribute): Add generic32/generic64
3480 (movhi splitter): Behave sanely when both partial_reg_dependency and
3481 partial_reg_stall are set.
3482 (K8 splitters): Enable for generic as well.
3483 * predicates.md (incdec_operand): Use TARGET_INCDEC
3484 (aligned_operand): Avoid memory mismatch stalls.
3485 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3486 * ppro.md: Enable for generic32
3487 * i386.c (generic64_cost, generic32_cost): New.
3488 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3489 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3490 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3491 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3492 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3493 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3494 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3495 x86_accumulate_outgoing_args, x86_prologue_using_move,
3496 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3497 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3499 (x86_use_incdec, x86_pad_returns): New.
3500 (override_options): Add generic32 and generic64, translate "generic"
3501 to generic32/generic64 and "i686" to "generic32", refuse
3502 "generic32"/"generic64" as arch target.
3503 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3504 (ix86_reorg): Honor PAD_RETURNS.
3506 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3508 * tree-pretty-print.c (dump_generic_node): Handle
3509 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3510 * cgraph.c (cgraph_expand_queue): Rename from
3511 cgraph_analyze_queue. Update all users.
3512 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3513 cgraph_expand_queue.
3514 (cgraph_expand_all_functions): Likewise.
3515 (cgraph_finalize_pending_functions): Remove. Update callers.
3517 * tree.h (OMP_DIRECTIVE_P): Define.
3518 (OMP_PARALLEL_FN): Define.
3519 (OMP_PARALLEL_DATA_ARG): Define.
3520 (OMP_SECTIONS_SECTIONS): Define.
3521 * tree-pass.h (pass_expand_omp): Declare.
3522 * omp-low.c (struct omp_region): Declare.
3523 (struct omp_context): Remove fields 'parallel_type',
3524 'parallel_start_ix' and 'parallel_start_additional_args'.
3526 (struct omp_for_data): Rename from struct expand_omp_for_data.
3527 (omp_regions): New static variable.
3528 (root_omp_region): New static variable.
3529 (find_omp_clause): Make static.
3530 (is_in_combined_parallel_ctx): Remove.
3531 (is_combined_parallel): New.
3532 (extract_omp_for_data): Move earlier in the file.
3533 (workshare_safe_to_combine_p): New.
3534 (get_ws_args_for): New.
3535 (determine_parallel_type): Move earlier in the file.
3536 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3538 (omp_copy_decl): Likewise.
3539 (create_omp_child_function): Likewise.
3540 (lookup_omp_region): New.
3541 (dump_omp_region): New.
3542 (debug_omp_region): New.
3543 (debug_all_omp_regions): New.
3544 (new_omp_region): New.
3545 (scan_omp_parallel): If parallel_nesting_level > 1, the
3546 directive is nested within another parallel directive.
3547 Set OMP_PARALLEL_FN.
3548 (scan_omp_for): Do not try to handle combined parallel+for
3550 Remove FIXME comment.
3551 (scan_omp_nested): Remove.
3552 (scan_omp_1): Do not call scan_omp_nested when
3553 parallel_nesting_level is > 1.
3554 Do not change the DECL_CONTEXT of local variables found.
3555 (lookup_decl_in_outer_ctx): New.
3556 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3557 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3558 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3559 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3560 If CTX is nested, lookup VAR in the outer context when
3561 building copy assignment.
3562 (lower_send_clauses): Rename from expand_send_clauses.
3563 If CTX is nested, lookup VAR in the outer context when
3564 building copy assignments.
3565 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3566 If CTX is nested, lookup VAR in the outer context when
3567 building copy assignments.
3568 (expand_parallel_call): Rename from build_parallel_call.
3569 Handle combined parallel+workshare cases.
3570 Re-implement to emit code into the CFG.
3572 (expand_omp_parallel): Re-implement to emit code into the CFG.
3573 Call move_sese_region_to_fn to outline the sub-graph
3574 containing the parallel region.
3575 (expand_omp_for_1): Remove.
3576 (expand_omp_for_generic): Re-implement to emit code into the
3578 (expand_omp_for_static_nochunk): Likewise.
3579 (expand_omp_for_static_chunk): Likewise.
3580 (expand_omp_for): Likewise.
3581 (expand_omp_sections): Likewise.
3582 (remove_exit_barriers): New.
3583 (expand_omp_synch): New.
3585 (build_omp_regions_1): New.
3586 (build_omp_regions): New.
3587 (execute_expand_omp): New.
3588 (gate_expand_omp): New.
3589 (pass_expand_omp): Define.
3590 (lower_omp_sections): Rename from expand_omp_sections.
3591 Set OMP_SECTIONS_SECTIONS.
3592 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3593 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3594 (lower_omp_single): Rename from expand_omp_simple.
3595 (lower_omp_master): Rename from expand_omp_master.
3596 (lower_omp_ordered): Rename from expand_omp_ordered.
3597 (lower_omp_critical): Rename from expand_omp_critical.
3598 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3599 (lower_omp_for): Re-implement.
3600 (lower_omp_parallel): Re-implement.
3601 (lower_regimplify): Rename from expand_regimplify.
3602 (lower_omp_1): Rename from expand_omp_1.
3603 If there are syntax errors in the program, replace every
3604 OpenMP directive with NOP.
3605 Call lower_omp_* instead of expand_omp_*.
3606 (lower_omp): Rename from expand_omp.
3608 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3609 * tree-gimple.h (enum omp_parallel_type): Remove.
3610 (gimple_boolify): Declare extern.
3611 (find_omp_clause, determine_parallel_type): Remove.
3613 * gimple-low.c (lower_omp_directive): New.
3614 (lower_stmt): Call it.
3615 (record_vars_into): Move from ...
3616 (record_vars): ... here.
3617 Call record_vars_into with current_function_decl.
3619 * gimplify.c (struct gimplify_ctx): Remove fields
3620 combined_pre_p and combined_ctxp. Update users.
3621 (get_formal_tmp_var): Add documentation.
3622 (gimple_boolify): Make extern.
3623 (gimplify_expr_in_ctx): Remove. Update callers.
3624 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3625 will always be a BIND_EXPR.
3626 (gimplify_expr): Handle OMP_RETURN_EXPR.
3627 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3628 (OMP_PARALLEL): Add 3 operands.
3629 (OMP_SECTIONS): Add 1 operand.
3630 (OMP_RETURN_EXPR): Define.
3632 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3633 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3634 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3635 creating a circular free list.
3636 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3638 * tree-flow.h (move_sese_region_to_fn): Declare.
3639 (record_vars_into): Declare.
3640 * tree-cfg.c (make_omp_sections_edges): New.
3641 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3642 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3643 OMP_SECTIONS and OMP_SECTION.
3644 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3645 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3646 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3647 (gather_blocks_in_sese_region): New.
3648 (struct move_stmt_d): Declare.
3650 (move_block_to_fn): New.
3651 (move_sese_region_to_fn): New.
3653 * passes.c (init_optimization_passes): Schedule
3654 pass_expand_omp after pass_init_datastructures.
3656 * tree-ssa-operands.c (get_expr_operands): Handle
3657 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3658 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3660 2006-01-19 Jeff Law <law@redhat.com>
3662 * tree-vrp.c (extract_range_from_assert): Refine the result range
3663 if the variable referenced by the ASSERT_EXPR has a range and
3664 either the tentative result range or the previous range is a
3667 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3669 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3671 2006-01-19 Jan Hubicka <jh@suse.cz>
3673 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3675 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3677 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3678 (expand_compound_operation, expand_field_assignment): Fail if the
3679 bit lengths of an extract operation are out of range.
3680 (make_extraction): Compute wanted_inner_mode based on the position
3681 and length of the extraction. Make it extraction_mode for non-constant
3682 positions, and do not modify offset in that case. When generating a
3683 new MEM, use a mode that can hold the extraction while keeping correct
3684 alignment. Remove code that supported MEMs wrapped by USEs.
3685 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3687 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3689 * config/s390/s390.md ("Y", "y"): New mode attribute.
3690 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3691 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3692 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3693 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3694 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3695 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3696 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3697 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3698 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3699 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3700 "addsi3", "subsi3"): Insn patterns removed.
3701 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3702 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3703 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3704 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3705 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3706 "*sub<mode>3_cconly2"): New insn patterns.
3707 ("addsi3", "subsi3"): New expanders.
3709 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3711 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3712 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3713 existing STMT_VINFO_VECTYPE if available.
3714 (vect_mark_relevant): Add special handling for stmts that are
3715 marked as STMT_VINFO_IN_PATTERN_P.
3716 (vect_analyze_loop): Call vect_pattern_recog.
3717 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3718 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3720 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3721 (vect_recog_func_ptr): New function-pointer type.
3722 * tree-vect-patterns.c: New file.
3723 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3724 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3725 (vect_pattern_recog_1): New functions.
3726 (vect_pattern_recog_funcs): New array of function pointers.
3728 * tree-vectorizer.h (ternary_op): New enum value.
3729 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3730 declaration. Revised documentation. Removed redundant dump prints.
3731 Removed redundant argument. Added support for reduction patterns.
3732 (vectorizable_reduction): Added support for reduction patterns.
3733 (vect_transform_stmt): Added support for patterns.
3735 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3736 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3737 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3738 (expand_widen_pattern_expr): New function.
3739 (init_optabs): Initialize new optabs udot_prod_optab,
3741 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3742 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3743 (expand_widen_pattern_expr): New function declaration.
3744 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3746 * tree-inline.c (estimate_num_insns_1): Added cases for new
3747 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3748 * tree-pretty-print.c (dump_generic_node): Likewise.
3749 (op_prio): Likewise.
3750 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3751 * tree-ssa-operands.c (get_expr_operands): Added case for
3753 * tree-vect-patterns.c (widened_name_p): New function.
3754 (vect_recog_dot_prod_pattern): Added function implementation.
3755 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3756 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3757 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3758 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3760 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3761 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3762 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3763 (init_optabs): Initialize new optabs widen_ssum_optab,
3765 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3766 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3767 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3768 use instead of type of def.
3769 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3770 function implementation.
3771 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3772 widen_ssumv8hi): New.
3774 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3777 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3780 * c-decl.c (add_flexible_array_elts_to_size): New function.
3781 (finish_decl): Use it.
3783 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3785 * diagnostic.h: Include options.h.
3786 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3787 dependancies for diagnostic.h.
3788 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3790 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3792 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3793 (ssa_ro_call_cache_valid): Ditto.
3794 * tree-ssa-alias.c (sort_tags_by_id): New function.
3795 (init_transitive_clobber_worklist): Ditto.
3796 (add_to_worklist): Ditto.
3797 (mark_aliases_call_clobbered): Ditto.
3798 (compute_tag_properties): Ditto.
3799 (set_initial_properties): Ditto.
3800 (compute_call_clobbered): Ditto.
3801 (compute_may_aliases): Call compute_call_clobbered and grouping.
3802 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3803 (compute_flow_insensitive_aliasing): Grouping now happens in our
3805 (setup_pointers_and_addressables): Remove clobbering related code.
3806 (add_may_alias): Ditto.
3807 (replace_may_alias): Ditto.
3808 (get_nmt_for): Ditto.
3809 (create_global_var):
3810 (is_escape_site): Return an escape_type enumeration.
3811 * tree-flow-inline.h (is_call_clobbered): Global var does not
3812 imply call clobbered.
3813 (mark_call_clobbered): Take a reason for marking this. Remove
3814 marking of globalness, and cache invalidation.
3815 (clear_call_clobbered): Remove cache invalidation code.
3816 * tree-dfa.c (dump_variable): If details is on, dump the reason
3818 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3820 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3821 (struct var_ann_d): Ditto.
3822 (enum escape_type): New.
3823 (mark_call_clobbered): Adjust prototype.
3824 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3825 are never call clobbered.
3826 Record reasons for escaping.
3827 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3828 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3829 (ssa_ro_call_cache_valid): Ditto.
3830 (clobbered_v_may_defs): Ditto.
3831 (clobbered_vuses): Ditto.
3832 (ro_call_vuses): Ditto.
3833 (clobber_stats): New.
3834 (init_ssa_operands): Zero out clobber stats.
3835 (fini_ssa_operands): Print out clobber stats.
3836 (get_call_expr_operands): Pass callee fndecl to
3838 (add_call_clobber_ops): Remove use of cache.
3839 Add use of PURE_CONST information.
3840 (add_call_read_ops): Remove use of cache.
3841 Add use of static not_read information.
3843 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3845 Introduce TLS descriptors for i386 and x86_64.
3846 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3847 (TARGET_ANY_GNU_TLS): New macro.
3848 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3849 (struct machine_function): Add tls_descriptor_call_expanded_p.
3850 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3851 (ix86_current_function_calls_tls_descriptor): Likewise.
3852 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3853 (override_options): Introduce gnu2 tls dialect.
3854 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3856 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3858 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3859 (ix86_init_machine_status): Initialize new field.
3860 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3861 (ix86_tls_module_base): New.
3862 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3863 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3864 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3865 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3866 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3867 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3868 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3869 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3870 * config/i386/predicates.md (tls_modbase_operand): New.
3871 (tp_or_register_operand): New.
3873 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3875 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3876 (look_for_address_of): Ditto.
3877 (ipa_init): Walk the function decls.
3878 (static_execute): Don't set readonly on FUNCTION_DECL's.
3880 2006-01-18 Roger Sayle <roger@eyesopen.com>
3882 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3883 for shifts where the source and destination registers are different.
3885 2006-01-18 Paul Brook <paul@codesourcery.com>
3887 Merge from csl-arm-branch.
3888 2005-03-14 Julian Brown <julian@codesourcery.com>
3889 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3890 (aeabi_llsl): Likewise.
3891 (ashrdi3): Likewise.
3892 (aeabi_lasr): Likewise.
3893 (lshrdi3): Likewise.
3894 (aeabi_llsr): Likewise.
3895 2005-03-10 Julian Brown <julian@codesourcery.com>
3896 * config.gcc: Disable shared libgcc for SymbianOS.
3897 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3899 2006-01-18 DJ Delorie <dj@redhat.com>
3901 * c-pragma.c (handle_pragma_diagnostic): New.
3902 (init_pragma): Register it.
3903 * doc/extend.texi: Document it.
3905 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3906 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3907 (diagnostic_context): Add classify_diagnostic[].
3908 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3909 as errors if they're overridden to DK_WARNING.
3910 (diagnostic_initialize): Initialize classify_diagnostic[].
3911 (diagnostic_set_kind_override): New.
3912 (diagnostic_report_diagnostic): Check for kind changes.
3913 * opts.c (common_handle_option): Take lang_mask. Update callers.
3915 * common.opt (Werror=): New.
3916 * doc/invoke.texi: Document -Werror=*
3918 2006-01-18 Jeff Law <law@redhat.com>
3920 * tree-vrp.c (test_for_singularity): Correct test for new
3921 min limit. Use operand_equal_p rather than pointer equality
3922 for testing if new min/max values are equal.
3924 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3925 using range information until after propagation and folding.
3927 2006-01-18 Richard Henderson <rth@redhat.com>
3928 Aldy Hernandez <aldyh@redhat.com>
3929 Jakub Jelinek <jakub@redhat.com>
3930 Diego Novillo <dnovillo@redhat.com>
3932 * omp-low.c: New file.
3933 * c-omp.c: New file.
3935 2006-01-18 Richard Henderson <rth@redhat.com>
3936 Jakub Jelinek <jakub@redhat.com>
3937 Diego Novillo <dnovillo@redhat.com>
3939 * doc/invoke.texi: Document -fopenmp.
3940 * tree-dump.h (debug_function): Declare.
3941 * hooks.c (hook_bool_tree_bool_false): New function.
3942 (hook_tree_tree_null): Remove.
3943 (hook_tree_tree_tree_null): New.
3944 * hooks.h: Update to match.
3945 * tree-pretty-print.c (debug_tree_chain): New.
3946 (print_generic_expr): Handle TDF_CHAIN.
3947 (dump_generic_node): Handle BLOCK.
3948 Do not abort with incomplete SWITCH_EXPRs.
3949 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3950 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3951 print space after directive name.
3952 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3953 Handle OMP_MASTER and OMP_ORDERED.
3954 Handle printing of OMP_BODY just in one place, goto
3955 dump_omp_body in the rest of OMP_* nodes that have
3957 Don't handle clause nodes here. Update omp statements to
3958 use dump_omp_clauses.
3959 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3960 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3961 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3962 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3963 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3964 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3965 Adjust output for GOMP_PARALLEL.
3966 (dump_omp_clauses): New.
3967 (print_declaration): Dump DECL_VALUE_EXPR.
3968 (op_symbol_1): Split out of op_symbol.
3969 (dumping_stmts): Remove. Update all users.
3970 * cgraph.c (cgraph_analyze_queue): New.
3971 (cgraph_add_new_function): New.
3972 * cgraph.h (cgraph_analyze_queue): Declare.
3973 (cgraph_add_new_function): Declare.
3974 (cgraph_lower_function): Remove.
3975 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3976 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3977 and TYPE_P nodes in its default clause.
3978 (empty_body_p): New.
3979 (tree_range_check_failed): New.
3981 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3982 OMP_CLAUSE_REDUCTION_MERGE,
3983 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3984 OMP_CLAUSE_PRIVATE_DEBUG,
3985 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3986 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3987 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3988 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3989 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3990 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3991 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3992 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3993 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3994 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3995 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3996 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3997 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3998 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3999 (TREE_RANGE_CHECK): New.
4000 (empty_body_p): Declare.
4001 (enum omp_clause_default_kind): New.
4002 (build_string_literal): Declare.
4003 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4004 (build5_stat, build5): Declare.
4005 * tree-pass.h (TDF_CHAIN): Define.
4006 * tree-pass.h (PROP_gimple_lomp): Define.
4007 (pass_lower_omp): Declare.
4008 * diagnostic.h (debug_tree_chain): Declare.
4009 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4011 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4012 * builtins.c (build_string_literal): Make extern.
4013 * gcc.c (include_spec_function): New.
4014 (static_spec_functions): Add it.
4015 (main): Move load of libgomp.spec ...
4016 (LINK_COMMAND_SPEC): ... here.
4017 (link_gomp_spec): New.
4018 (static_specs): Include it.
4019 (LINK_COMMAND_SPEC): Add link_gomp.
4020 (GOMP_SELF_SPECS): New.
4021 (driver_self_specs): Include it.
4022 (switch_matches): Don't mark inline.
4023 (main): Load libgomp.spec.
4024 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4025 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4026 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4027 * tree-gimple.h (enum omp_parallel): Declare.
4028 (determine_parallel_type): Declare.
4029 (omp_firstprivatize_variable): Declare.
4030 (omp_reduction_init): Declare.
4031 (diagnose_omp_structured_block_errors): Declare.
4032 (struct walk_stmt_info): Add want_return_expr.
4033 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4034 (find_omp_clause): Declare.
4035 (insert_field_into_struct): Declare.
4036 (struct walk_stmt_info): Move from tree-nested.c
4037 (walk_stmts): Declare.
4038 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4040 * cgraphunit.c (cgraph_lower_function): Make static.
4041 (cgraph_finalize_pending_functions): New.
4042 (cgraph_finalize_function): Call it.
4043 (cgraph_finalize_compilation_unit): Likewise.
4044 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4045 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4046 (BT_FN_UINT_UINT): New.
4047 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4048 DEF_FUNCTION_TYPE_VAR_4): Document.
4049 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4050 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4051 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4052 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4053 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4054 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4055 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4056 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4057 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4058 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4059 into separate files.
4060 (DEF_GOMP_BUILTIN): New.
4061 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4062 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4063 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4064 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4065 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4066 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4067 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4068 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4069 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4070 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4071 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4072 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4073 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4074 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4075 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4076 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4077 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4078 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4079 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4080 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4081 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4082 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4083 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4084 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4085 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4086 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4087 * sync-builtins.def: New file, moved from builtins.def.
4088 * omp-builtins.def: New file, moved from builtins.def.
4089 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4090 * gimple-low.c (lower_function_body): Clear data.
4091 (lower_stmt): Do not handle COMPOUND_EXPR.
4092 Remove call to print_node_brief.
4093 * c-tree.h (c_finish_omp_clauses): New prototype.
4094 (C_DECL_THREADPRIVATE_P): Define.
4095 (lookup_name_no_remap, c_omp_remap_private): Remove
4096 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4097 (check_for_loop_decls): Update decl.
4098 (lookup_name_no_remap, c_omp_remap_private): Declare.
4099 (build_indirect_ref, build_modify_expr, pushdecl,
4100 pushdecl_top_level): Move to c-common.h.
4101 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4102 before the switch, but just in the 2 places that need it.
4103 * c-decl.c (diagnose_mismatched_decls): Do not check for
4104 mismatched thread-local attributes when OLDDECL is marked
4105 threadprivate and NEWDECL has no thread-local attributes.
4106 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4107 (c_gimple_diagnostics_recursively): Rename from
4108 c_warn_unused_result_recursively. Invoke
4109 diagnose_omp_structured_block_errors.
4110 (check_for_loop_decls): Return a singular decl found.
4111 * langhooks.c (lhd_omp_predetermined_sharing): Return
4112 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4113 (lhd_omp_firstprivatize_type_sizes): New.
4114 (lhd_omp_assignment): New.
4115 (lhd_omp_predetermined_sharing): New.
4116 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4117 (struct lang_hooks_for_types): Add
4118 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4119 omp_predetermined_sharing, omp_disregard_value_expr,
4120 omp_private_debug_clause, omp_clause_default_ctor,
4121 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4122 (c_finish_omp_clauses): New.
4123 (c_finish_bc_stmt): Diagnose break within omp for.
4124 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4125 (build_unary_op): Return error_mark after reporting
4127 (build_modify_expr): Likewise.
4128 * gimplify.c: Include optabs.h and pointer-set.h.
4129 (enum gimplify_omp_var_data): Declare.
4130 (struct gimplify_omp_ctx): Declare.
4131 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4133 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4134 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4135 (splay_tree_compare_decl_uid): New.
4136 (new_omp_context): New.
4137 (delete_omp_context): New.
4138 (gimple_add_tmp_var): Call omp_add_variable.
4139 (gimplify_bind_expr): Likewise.
4140 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4141 true, disregard DECL_VALUE_EXPR on the decl if any.
4142 (gimplify_expr_in_ctx): New.
4143 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4144 omp_add_variable, omp_notice_variable, omp_is_private
4145 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4146 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4147 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4148 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4149 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4150 gimplify_omp_atomic): New.
4151 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4152 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4153 OMP_CRITICAL and OMP_ATOMIC.
4154 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4155 * c-pragma.h (enum pragma_kind): Add
4156 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4157 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4158 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4159 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4160 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4161 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4162 PRAGMA_OMP_THREADPRIVATE.
4163 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4164 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4165 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4166 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4167 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4168 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4169 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4170 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4171 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4172 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4173 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4174 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4175 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4177 (struct nesting_info): Add field_map,
4178 suppress_expansion, debug_var_chain.
4179 (create_nesting_tree): Initialize them.
4180 (lookup_field_for_decl): Use field_map.
4181 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4182 (convert_local_omp_clauses): New.
4183 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4184 (walk_body): Split out of walk_function.
4185 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4186 (convert_nonlocal_reference): Handle omp statements.
4187 (convert_local_reference): Likewise.
4188 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4189 (unnest_nesting_tree): New.
4190 (lower_nested_functions): Call it.
4191 (insert_field_into_struct): Make extern.
4192 (struct walk_stmt_info): Move to tree-gimple.h.
4193 (walk_stmts): Make extern.
4194 * omp-builtins.def: New file.
4195 * tree-iterator.c (expr_only): Clarify comment.
4196 * c-common.h (pushdecl_top_level, pushdecl,
4197 build_modify_expr, build_indirect_ref,
4198 c_finish_omp_master, c_finish_omp_critical,
4199 c_finish_omp_ordered, c_finish_omp_barrier,
4200 c_finish_omp_atomic, c_finish_omp_flush,
4201 c_finish_omp_for, c_split_parallel_clauses,
4202 omp_clause_default_kind, c_omp_sharing_predetermined,
4203 c_omp_remap_decl): Declare.
4204 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4205 (OBJS-common): Add omp-low.o.
4206 (c-omp.o, omp-low.o): Add.
4207 (gimplify.o): Add dependency on $(OPTABS_H).
4208 (GTFILES): Add omp-low.c.
4209 (gt-stringpool.h): Add.
4210 * tree-cfg.c (set_bb_for_stmt): Do not update the
4211 block-to-labels map if we are currently expanding to RTL.
4212 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4214 Handle IDENTIFIER_NODE.
4215 (tree_verify_flow_info): Do not ICE when emitting error
4216 messages about invalid labels.
4217 (dump_function_to_file): Reset CFUN before emitting the body
4219 (debug_function): New.
4220 * passes.c (init_optimization_passes): Schedule
4222 * langhooks-def.h (lhd_omp_predetermined_sharing,
4223 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4225 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4226 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4227 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4228 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4229 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4230 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4231 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4232 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4233 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4234 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4235 (LANG_HOOK_DECLS): Use them.
4237 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4238 Richard Henderson <rth@redhat.com>
4239 Jakub Jelinek <jakub@redhat.com>
4240 Diego Novillo <dnovillo@redhat.com>
4242 * c-parser.c (pragma_omp_clause): Define.
4243 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4244 (c_parser_compound_statement): Likewise.
4245 (c_parser_statement): Likewise.
4246 (c_parser_pragma): Handle omp pragmas.
4247 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4248 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4249 (c_parser_omp_clause_name, check_no_duplicate_clause,
4250 c_parser_omp_variable_list,
4251 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4252 c_parser_omp_clause_copyprivate,
4253 c_parser_omp_clause_default,
4254 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4255 c_parser_omp_clause_lastprivate,
4256 c_parser_omp_clause_nowait,
4257 c_parser_omp_clause_num_threads,
4258 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4259 c_parser_omp_clause_reduction,
4260 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4261 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4262 c_parser_omp_atomic, c_parser_omp_barrier,
4263 c_parser_omp_critical, c_parser_omp_flush,
4264 c_parser_omp_for_loop, c_parser_omp_for,
4265 c_parser_omp_master, c_parser_omp_ordered,
4266 c_parser_omp_sections_scope, c_parser_omp_sections,
4267 c_parser_omp_parallel, c_parser_omp_single,
4268 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4269 * c-pragma.c (init_pragma): Do omp pragma registration here.
4270 * c.opt (fopenmp): New flag.
4272 2006-01-18 Eric Christopher <echristo@apple.com>
4274 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4275 * config/darwin.h (GOMP_SELF_SPECS): Define.
4277 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4279 * rtl.h: Remove the prototype for reg_alloc.
4281 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4284 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4285 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4286 sjlj and dwarf2 exception handling.
4287 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4288 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4289 * pa/pa.c (function_value): Treat complex and vector types as
4291 (function_arg): Likewise. Only pass scalar floats in the floating
4292 point argument registers.
4293 * pa/t-slibgcc-dwarf-ver: New file.
4294 * pa/t-slibgcc-sjlj-ver: New file.
4295 * pa/t-slibgcc-elf-ver: Delete file.
4297 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4299 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4300 unlikely_test_section_p test.
4302 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4304 * mode-switching.c (optimize_mode_switching): Make it static.
4305 * basic-block.h: Remove the prototype for
4306 optimize_mode_switching.
4308 * modulo-sched.c (sms_schedule): Make it static.
4309 * rtl.h: Remove the prototype for sms_schedule.
4311 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4312 * rtl.h: Remove the prototype for gcse_after_reload_main.
4314 * reg-stack.c (reg_to_stack): Make it static.
4315 * rtl.h: Remove the prototype for reg_to_stack.
4317 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4319 * rtl.h: Remove the prototypes for regrename_optimize and
4320 copyprop_hardreg_forward.
4322 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4324 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4325 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4326 Test against the appropriate null constant for the mode.
4327 If 'fixup_overlap' is true, swap the operands if they overlap.
4328 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4329 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4330 alpha_split_tmode_pair and adjust for above change.
4331 * config/alpha/alpha.md (movtf_internal): Adjust call to
4332 alpha_split_tfmode_pair and rely on it to swap the operands.
4333 (movti_internal): New insn and post-reload splitter.
4334 (movti): New expander.
4336 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4338 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4341 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4343 * rtlanal.c (global_reg_mentioned_p_1,
4344 global_reg_mentioned_p): Remove.
4345 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4347 * flow.c (initialize_uninitialized_subregs): Make it static.
4348 * rtl.h: Remove the prototype for
4349 initialize_uninitialized_subregs.
4351 * function.c (instantiate_virtual_regs): Make it static.
4352 * function.h: Remove the prototype for
4353 instantiate_virtual_regs.
4355 * regmove.c (regmove_optimize, combine_stack_adjustments):
4357 * rtl.h: Remove the prototypes for regmove_optimize and
4358 combine_stack_adjustments.
4360 2006-01-17 Roger Sayle <roger@eyesopen.com>
4362 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4363 (size_cost): Encode costs in bytes so that a reg-reg addition is
4364 equivalent to COSTS_N_INSNS(1).
4365 (override_options): Use the size_cost.branch_cost as the default
4366 ix86_branch_cost when optimizing for size.
4368 2006-01-18 Ben Elliston <bje@au.ibm.com>
4370 * Makefile.in (D32PBIT_FUNCS): New.
4371 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4372 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4373 D64PBIT_FUNCS and D128PBIT_FUNCS.
4374 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4375 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4377 (decnumber_dep): Define.
4378 * doc/libgcc.texi (Decimal float library routines): New node.
4379 * config/dfp-bit.h, config/dfp-bit.c: New files.
4381 2006-01-18 Ben Elliston <bje@au.ibm.com>
4383 * expr.c (emit_move_change_mode): Always adjust addresses, not
4384 just during reload. Copy replacements only during reload.
4385 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4386 emit_move_via_integer.
4388 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4390 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4391 instead of $(srcdir) and ${srcdir}.
4393 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4397 * arm.h (struct machine_function): Add pic_reg.
4398 * arm.c (arm_pic_register): Make unsigned.
4399 (arm_override_options): Only set arm_pic_register if
4400 TARGET_SINGLE_PIC_BASE.
4401 (use_return_insn): Only test for a pic register if it is fixed.
4402 (arm_compute_save_reg0_reg12_mask): Likewise.
4403 (thumb_compute_save_reg_mask): Likewise.
4404 (legitimate_pic_operand): Factor out some known invariants.
4405 (legitimize_pic_address): If we don't have a fixed pic register,
4406 then set up a pseudo in the function entry sequence. Handle the
4407 pic base being in a pseudo.
4408 (arm_load_pic_register): Handle the pic register being in a pseudo.
4409 (arm_expand_prologue): Only set up the pic register if it is fixed.
4410 (thumb_expand_prologue): Likewise.
4411 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4412 (pic_load_addr_based_insn): Likewise.
4413 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4416 2006-01-18 Ben Elliston <bje@au.ibm.com>
4418 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4419 decimal float modes for all floating point registers.
4421 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4422 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4424 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4427 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4428 even when the pointer is not NULL.
4430 2006-01-16 Ian Lance Taylor <ian@airs.com>
4432 * common.opt (ftoplevel-reorder): New option.
4433 * cgraph.c (cgraph_asm_nodes): New global variable.
4434 (cgraph_asm_last_node): New static variable.
4435 (cgraph_order): New global variable.
4436 (cgraph_create_node): Set new order field.
4437 (cgraph_varpool_node): Likewise.
4438 (decide_is_variable_needed): Return true if not
4439 flag_toplevel_reorder.
4440 (cgraph_add_asm_node): New function.
4441 * cgraph.h (struct cgraph_node): Add order field.
4442 (struct cgraph_varpool_node): Add order field.
4443 (struct cgraph_asm_node): Define.
4444 (cgraph_asm_nodes, cgraph_order): Declare.
4445 (cgraph_add_asm_node): Declare.
4446 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4448 (cgraph_varpool_assemble_pending_decls): Call it.
4449 (cgraph_output_pending_asms): New static function.
4450 (cgraph_finalize_compilation_unit): Call it.
4451 (struct cgraph_order_sort): Define.
4452 (cgraph_output_in_order): New static function.
4453 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4454 !flag_toplevel_reorder case.
4455 * c-parser.c: Include "cgraph.h".
4456 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4458 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4459 than -fno-unit-at-a-time.
4460 * doc/invoke.texi (Option Summary): Mention
4461 -fno-toplevel-reorder.
4462 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4463 -funit-at-a-time documentation.
4465 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4466 Kazu Hirata <kazu@codesourcery.com>
4468 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4470 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4472 * Makefile.in (FUNCTION_H): New. Use it instead of
4473 function.h throughout the file.
4474 * function.h: Include tree.h.
4476 2006-01-17 Ben Elliston <bje@au.ibm.com>
4478 * recog.c: Separate some functions with whitespace.
4480 2006-01-16 Richard Henderson <rth@redhat.com>
4482 Merge from gomp branch:
4483 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4484 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4485 and rename from struct inline_data. Rename callee* to dst*;
4486 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4487 transform_new_cfg, transform_return_to_modify, and
4488 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4490 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4491 (copy_decl_for_dup): Remove.
4492 * tree-inline.c (struct inline_data): Move to header.
4493 (insert_decl_map): Export.
4494 (remap_decl): Update for member name changes. Use copy_decl hook.
4495 Allow for replacement to be a non-decl. Remove dead code.
4496 (remap_type_1): Check for existing mapping.
4497 (remap_type): Export.
4498 (remap_decls): Update for member name changes.
4499 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4500 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4501 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4502 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4503 (tree_function_versioning, build_duplicate_type): Likewise.
4504 (copy_body_r): Likewise. Export.
4505 (copy_decl_for_dup): Split into ...
4506 (copy_decl_for_dup_finish, copy_decl_to_var,
4507 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4508 (replace_ref_tree, inlining_p): Remove.
4510 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4512 * ifcvt.c (if_convert): Make it static.
4513 * rtl.h: Remove the prototype for if_convert.
4515 * local-alloc.c (local_alloc): Make it static.
4516 * rtl.h: Remove the prototype for local_alloc.
4518 * loop.c (loop_optimize): Make it static.
4519 * cfgloop.h: Remove the prototype for loop_optimize.
4522 2006-01-16 DJ Delorie <dj@redhat.com>
4524 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4527 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4529 * pa.md: Disparage copies between general and floating-point registers
4530 in 32-bit move patterns.
4532 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4535 * Makefile.in (check-%): Depend on site.exp instead of
4536 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4539 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4541 * global.c (global_alloc): Make it static.
4542 * rtl.h: Remove the prototype for global_alloc.
4544 2006-01-16 Richard Guenther <rguenther@suse.de>
4546 * tree-ssa-alias.c (struct used_part): Add write_only field.
4547 (get_or_create_used_part_for): Initialize it to true.
4548 (create_overlap_variables_for): Don't create structure variables
4549 for structures that only are written to.
4550 (find_used_portions): Handle MODIFY_EXPR to track whether a
4551 structure is only written to.
4553 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4555 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4557 * basic-block.h: Remove the prototype for
4558 partition_hot_cold_basic_blocks.
4560 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4562 * cppspec.c (lang_specific_spec_functions): Remove.
4563 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4564 * gcc.h (lang_specific_spec_functions): Remove.
4565 * gccspec.c (lang_specific_spec_functions): Remove.
4567 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4569 * combine.c (record_value_for_reg): Invalidate registers
4571 (record_dead_and_set_regs_1): Likewise, by passing them to
4572 record_value_for_reg.
4573 (record_dead_and_set_regs): Invalidate stores made by a
4574 call. We do not combine across a call, but we still
4575 relied on equivalences.
4577 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4579 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4580 vrp_int_const_binop returning non-constant nodes.
4582 2006-01-16 Paul Brook <paul@codesourcery.com>
4584 * config/m68k/m68k.c (output_move_const_into_data_reg):
4585 Output correct mnemonic for mvz and mvs.
4587 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4589 * rtl-factoring.c: Add sequence abstraction algorithm.
4590 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4591 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4593 (block_has_preserve_label): New function.
4594 * common.opt: Register new pass.
4595 * Makefile.in: Ditto.
4597 * timevar.def: Ditto.
4598 * tree-pass.h: Ditto.
4599 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4600 * rtl.h (make_jump_insn_raw): Add forward decl.
4601 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4603 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4604 Roger Sayle <roger@eyesopen.com>
4606 * fold-const.c (fold_minmax): New static function.
4607 (fold_binary) <MIN_EXPR>: Call it.
4608 <MAX_EXPR>: Likewise.
4609 * stor-layout.c (place_field): Use DECL_SIZE consistently
4610 in the computation of the new record size.
4612 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4614 * cse.c (cse_condition_code_reg): Make it static.
4615 * rtl.h: Remove the prototype for cse_condition_code_reg.
4617 * combine.c (combine_instructions): Make it static.
4618 * rtl.h: Remove the prototype for combine_instructions.
4620 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4623 * tree.c (get_file_function_name_long): Concatenate the first global
4624 object name with a string derived from the input filename of the object
4627 2006-01-16 Ben Elliston <bje@au.ibm.com>
4629 * config/i386/winnt-stubs.c: Update FSF address.
4630 * config/xtensa/ieee754-df.S: Ditto.
4631 * config/xtensa/ieee754-sf.S: Ditto.
4633 2006-01-14 Ian Lance Taylor <ian@airs.com>
4635 * ifcvt.c (noce_init_if_info): New static function, broken out of
4636 noce_process_if_block.
4637 (noce_process_if_block): Call noce_init_if_info.
4638 (check_cond_move_block): New static function.
4639 (cond_move_process_if_block): New static function.
4640 (process_if_block): Call cond_move_process_if_block.
4642 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4644 * cselib.c (hash_table): Rename to cselib_hash_table.
4645 (cselib_clear_table, discard_useless_values,
4646 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4647 cselib_init, cselib_finish): Adjust uses of hash_table.
4649 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4651 PR tree-optimization/25485
4652 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4653 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4654 is known to be false and true, respectively.
4656 2006-01-14 Richard Guenther <rguenther@suse.de>
4658 PR tree-optimization/22548
4659 PR tree-optimization/22555
4660 PR tree-optimization/22501
4661 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4662 * params.def (salias-max-array-elements): New parameter.
4663 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4664 * doc/invoke.texi (salias-max-array-elements): Document.
4665 * tree-flow-inline.h (var_can_have_subvars): We also handle
4667 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4669 * tree-ssa-structalias.c (params.h): Include.
4670 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4671 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4672 (get_constraint_for): For ADDR_EXPR operating on something
4673 containing an ARRAY_REF, add all subvars to the solution.
4674 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4675 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4676 for creating MUST_DEFs.
4677 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4679 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4681 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4683 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4684 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4685 number_of_iterations_le): New functions.
4686 (number_of_iterations_special): Removed.
4687 (number_of_iterations_exit): Do not use number_of_iterations_special.
4688 * tree.c (unsigned_type_for): Always return integer type.
4690 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4691 Richard Guenther <rguenther@suse.de>
4693 PR rtl-optimization/24257
4694 * gcse.c (find_moveable_store): Only consider a store movable
4695 when the SET_SRC of the insn can be assigned to a register.
4697 2006-01-14 Ian Lance Taylor <ian@airs.com>
4699 * tree.c (tree_not_class_check_failed): New function.
4700 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4701 (tree_not_class_check_failed): Declare.
4703 2006-01-13 Ian Lance Taylor <ian@airs.com>
4705 * reload1.c (do_output_reload): Add assertion rejecting a
4708 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4710 * combine.c (struct reg_stat): Add new fields truncation_label and
4712 (record_value_for_reg): Reset truncated_to_mode.
4713 (record_truncated_value): New function.
4714 (check_promoted_subreg): Call it. Rename to check_conversions.
4715 (combine_instructions): Rename check_promoted_subreg to
4717 (reg_truncated_to_mode): New function.
4718 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4719 (gen_lowpart_or_truncate): New function.
4720 (force_to_mode): Use it instead of gen_lowpart.
4722 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4724 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4725 VAR is a tag, not its type tag.
4727 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4729 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4730 alternatives to match style of other entries.
4731 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4733 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4735 PR tree-optimization/25771
4736 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4739 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4742 * tree-inline.c (declare_return_variable): If the return variable
4743 was marked as a non gimple complex, set the return slot variable
4744 to be a non gimple comple variable.
4746 2006-01-13 Richard Guenther <rguenther@suse.de>
4748 * builtins.c (expand_builtin_sincos): New function.
4749 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4751 (expand_builtin): Expand sincos using expand_builtin_sincos.
4753 2006-01-12 DJ Delorie <dj@redhat.com>
4755 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4756 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4757 so that constant shifts can be split.
4758 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4759 (m32c_valid_pointer_mode): Make static.
4760 (shift_gen_func_for): New.
4761 (m32c_prepare_shift): Use it. Split large const shifts into
4763 * config/m32c/predicates.md (shiftcount_operand): Allow more
4765 (longshiftcount_operand): New.
4766 * doc/md.texi (Machine Constraints): Document In6.
4768 2006-01-13 Ben Elliston <bje@au.ibm.com>
4770 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4771 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4774 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4776 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4777 to try to avoid clobbering pieces of structures when we know
4778 something about the whole structure.
4779 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4781 2006-01-13 Ben Elliston <bje@au.ibm.com>
4783 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4784 return in memory, as this is no limitation is no longer present.
4786 2006-01-12 DJ Delorie <dj@redhat.com>
4788 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4789 mova with fb, and for fb+0 -> An.
4791 * config/m32c/mov.md (peephole2): Fix enabling logic.
4793 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4794 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4795 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4796 FINI_ARRAY_SECTION_ASM_OP): Define.
4798 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4800 (m32c_legitimize_reload_address): New logic to reload FB to An.
4801 (m32c_output_reg_push): Add newline.
4802 (m32c_output_reg_pop): Likewise.
4804 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4806 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4808 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4810 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4812 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4814 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4817 2006-01-11 Ben Elliston <bje@au.ibm.com>
4819 * rtlanal.c (find_reg_note): Assert insn is not null.
4821 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4823 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4826 2006-01-11 Jeff Law <law@redhat.com>
4828 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4830 (mark_threaded_blocks, register_jump_thread): New functions.
4831 (thread_through_all_blocks): Remove unwanted argument. No
4832 longer rely on e->aux to communicate thread target info.
4833 Call mark_threaded_blocks. Release the threaded_blocks
4834 bitmap and threaded_edges vector when complete.
4835 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4836 (threaded_blocks): Remove.
4837 (tree_ssa_dominator_optimize): Remove initialization and
4838 finalization of threaded_blocks. Simplify call to
4839 thread_through_all_blocks.
4840 (thread_across_edge): Call register_jump_thread rather than
4841 storing thread information into e->aux.
4842 (free_all_edge_infos): Simplify now that e->aux is no longer
4843 used to communicate with thread_through_all_blocks.
4844 * tree-flow.h (thread_through_all_blocks): Update prototype.
4845 (register_jump_thread): Prototype.
4847 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4849 * df-core.c (df_compact_blocks, df_bb_replace): Use
4850 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4852 2006-01-11 Richard Guenther <rguenther@suse.de>
4854 PR tree-optimization/25734
4855 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4856 stop propagation after successful propagation to the LHS.
4858 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4860 * basic-block.h (control_flow_graph): Change the type of
4861 x_basic_block_info to VEC(basic_block,gc) *.
4862 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4864 (SET_BASIC_BLOCK): New.
4865 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4866 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4867 * cfgbuild.c (find_basic_blocks): Likewise.
4868 * cfglayout.c (fixup_reorder_chain): Likewise.
4869 * cfgrtl.c (create_basic_block_structure,
4870 rtl_create_basic_block): Likewise.
4871 * ifcvt.c (find_if_case_1): Likewise.
4872 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4875 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4877 * Makefile.in: Removed rotted odf.c entry.
4879 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4882 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4883 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4884 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4885 output pattern modifier, not %e.
4886 * config/cris/cris.c (cris_op_str): Update comment about pattern
4888 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4889 before falling through into...
4890 <case 'E'>: Redefined from old 'e' case.
4892 2006-01-11 Jan Hubicka <jh@suse.cz>
4895 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4897 2006-01-11 Jan Hubicka <jh@suse.cz>
4899 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4900 * i386.c (x86_decompose_lea): Kill.
4901 (ix86_rtx_costs): Kill.
4903 2006-01-11 Jan Hubicka <jh@suse.cz>
4905 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4906 * cgraph.h (cgraph_node): Add inline_decl.
4907 (cgraph_insert_node_to_hashtable): Declare.
4908 (save_inline_function_body): Declare.
4909 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4911 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4912 (cgraph_function_versioning): Update call of tree_function_versioning.
4913 (save_inline_function_body): New function.
4914 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4915 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4916 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4917 (cgraph_default_inline_p): Likewise.
4918 (cgraph_decide_inlining_incrementally): Likewise.
4919 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4920 (copy_bb): Kill saving; do updating of clones.
4921 (copy_cfg_body): Kill saving.
4922 (initialize_inlined-parameters): Likewise.
4923 (expand_call_inline): Likewise.
4925 (tree_function_versioning): New parameter "update_clones".
4926 (inlining_p): Kill saving.
4927 * tree-inline.h (tree_function_versioning): Update prototype.
4928 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4931 2006-01-11 Ian Lance Taylor <ian@airs.com>
4933 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4934 Allow undoing set of machine mode.
4935 (do_SUBST): Use enums instead of is_int.
4936 (do_SUBST_MODE): New function.
4937 (SUBST_MODE): New macro.
4938 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4939 reg and trying to replace reg_regno_rtx with a new register.
4940 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4941 (simplify_set): Use SUBST_MODE.
4942 (distribute_notes): Remove code that tried to update reg notes
4943 for regno_reg_rtx changes.
4945 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4947 PR tree-optimization/23109
4948 PR tree-optimization/23948
4949 PR tree-optimization/24123
4951 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4952 * tree-cfg.c (single_noncomplex_succ): New.
4953 * tree-flow.h (single_noncomplex_succ): Declare it.
4954 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4955 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4956 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4957 insert_bb, register_division_in, insert_reciprocals,
4958 replace_reciprocal, free_bb): New.
4959 (execute_cse_reciprocals_1): Rewritten.
4960 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4961 Do not commit any edge insertion. Always compute dominators and
4962 create the allocation pool.
4963 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4964 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4965 * targhooks.c (default_min_divistions_for_recip_mul): New.
4966 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4967 * passes.c (init_optimization_passes): Run recip after tree loop
4969 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4971 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4972 Kenneth Zadeck <zadeck@naturalbridge.com>
4974 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4975 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4976 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4977 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4978 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4979 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4980 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4981 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4982 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4983 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4984 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4985 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4986 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4987 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4988 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4989 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4990 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4991 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4992 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4993 DF_SCAN_POST_ALLOC): New macros.
4994 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4995 df_free_bb_function, df_local_compute_function, df_init_function,
4996 df_dataflow_function, df_confluence_function_0,
4997 df_confluence_function_n, df_transfer_function,
4998 df_finalizer_function, df_free_function, df_dump_problem_function,
4999 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5000 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5001 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5002 df_urec_bb_info, ) New types.
5003 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5005 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5006 df_analyze_simple_change_some_blocks,
5007 df_analyze_simple_change_one_block, df_compact_blocks,
5008 df_bb_replace, df_bb_regno_last_use_find,
5009 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5010 df_insn_regno_def_p, df_find_def, df_find_use,
5011 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5012 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5013 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5014 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5015 debug_df_chain, df_get_dependent_problem, df_chain_create,
5016 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5017 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5018 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5019 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5020 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5021 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5022 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5023 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5024 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5025 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5026 df_reorganize_refs, df_set_state, df_hard_reg_init,
5027 df_read_modify_subreg_p) New public functions.
5028 * df-core.c: The core dataflow solver and glue routines for rtl
5030 (df_init, df_add_problem, df_set_blocks, df_finish,
5031 df_hybrid_search_forward, df_hybrid_search_backward,
5032 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5033 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5034 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5035 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5036 df_reg_defined, df_find_use, df_reg_used, df_dump,
5037 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5038 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5039 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5040 debug_df_useno, reset_df_after_reload): New functions.
5041 * df-scan.c: The scanning fuctions, once in df.c, completely
5042 rewritten so that they now fully model the functionality of
5043 register usage at the backend.
5044 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5045 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5046 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5047 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5048 df_get_artificial_defs, df_get_artificial_uses,
5049 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5050 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5051 df_refs_delete, df_reorganize_refs, df_set_state,
5052 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5053 df_def_record_1, df_defs_record, df_uses_record,
5054 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5055 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5056 df_record_exit_block_uses, df_hard_reg_init): New functions.
5058 * df-problems.c: Seven concrete dataflow problems that use the
5059 scanning in df-scan.c and are solved by the engine in df-core.c.
5060 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5061 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5062 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5063 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5064 df_ru_free_bb_info, df_ru_alloc,
5065 df_ru_bb_local_compute_process_def,
5066 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5067 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5068 df_ru_transfer_function, df_ru_free, df_ru_dump,
5069 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5070 df_rd_free_bb_info, df_rd_alloc,
5071 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5072 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5073 df_rd_transfer_function, df_rd_free, df_rd_dump,
5074 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5075 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5076 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5077 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5078 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5079 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5080 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5081 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5082 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5083 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5084 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5085 df_urec_mark_reg_use_for_earlyclobber,
5086 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5087 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5088 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5089 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5090 df_chain_create_bb_process_use, df_chain_create_bb,
5091 df_chain_finalize, df_chain_free, df_chains_dump,
5092 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5093 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5094 df_reg_lifetime): New functions.
5095 * df.c: Deleted file.
5096 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5097 consistent with new df api.
5098 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5099 rest_of_handle_sms): Ditto.
5100 * web.c (unionfind_union, union_defs, entry_register, web_main):
5102 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5103 invariant_expr_equal_p, find_defs, check_dependencies,
5104 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5105 free_inv_motion_data, move_loop_invariants): Ditto.
5106 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5107 Update dependencies.
5108 (odf.c): Added defective entry that was deleted later in day.
5109 * sched-deps.c (sched_analyze_1): Ditto.
5111 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5113 * tree-ssa-operands.c (get_expr_operands): Record addressable
5114 variables directly. Do not call add_stmt_operands for CONST_DECLs
5116 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5117 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5119 2006-01-11 Ben Elliston <bje@au.ibm.com>
5121 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5122 function returns true in the positive case.
5124 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5127 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5128 for SI, DI, SF and DF modes. Add alternatives to copy between
5129 general and floating point registers to the 32-bit patterns.
5130 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5131 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5132 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5133 generating 64-bit code.
5134 * config/pa/pa.c (output_move_double): Handle copies between general
5135 and floating registers.
5137 2006-01-10 Stuart Hastings <stuart@apple.com>
5139 * config/i386/i386.md (set_got): Update.
5140 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5141 (builtin_setjmp_receiver): Mach-O support.
5142 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5143 (GOT_SYMBOL_NAME): Define.
5144 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5145 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5146 * config/i386/i386.c (override_options): Revise for Darwin.
5147 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5148 support. (darwin_x86_file_end): New. (output_set_got): Add label
5149 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5150 * config/i386/i386-protos.h (output_set_got): Likewise.
5151 * config/darwin.c (machopic_legitimize_pic_address): Update
5154 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5156 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5157 when MODE isn't BLKmode.
5159 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5161 PR rtl-optimization/25367
5162 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5164 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5167 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5168 for a negative bound.
5170 2006-01-10 Richard Guenther <rguenther@suse.de>
5172 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5173 Never override with anything constraint.
5175 2006-01-10 Jan Beulich <jbeulich@novell.com>
5177 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5178 256 bits when optimize_size.
5180 2006-01-10 Jan Beulich <jbeulich@novell.com>
5182 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5184 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5185 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5188 2006-01-10 Ben Elliston <bje@au.ibm.com>
5190 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5192 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5193 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5194 (USE_FP_FOR_ARG): Reject decimal float modes.
5195 (function_arg_advance): Likewise.
5196 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5197 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5198 point types in AltiVec vectors.
5199 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5200 (rs6000_libcall_value): Likewise.
5202 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5204 * config/xtensa/ieee754-df.S: New file.
5205 * config/xtensa/ieee754-sf.S: New file.
5206 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5207 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5208 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5210 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5212 * config/sh/predicates.md (binary_float_operator,
5213 binary_logical_operator, commutative_float_operator,
5214 equality_comparison_operator, greater_comparison_operator,
5215 less_comparison_operator, logical_operator,
5216 noncommutative_float_operator, shift_operator,
5217 symbol_ref_operand, unary_float_operator): Remove redundant
5220 2006-01-09 Jeff Law <law@redhat.com>
5222 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5223 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5224 now unused arguments. Callers updated.
5225 (eliminate_redundant_computations): Remove now unused arguments,
5227 (local_fold): Remove, no longer used.
5228 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5230 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5231 (simplify_cond): New function.
5232 (forward_propagate_into_cond): Call simplify_cond.
5234 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5236 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5237 (*vec_extractv2di_1_sse): New.
5239 2006-01-09 Ben Elliston <bje@au.ibm.com>
5241 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5243 2006-01-08 Richard Guenther <rguenther@suse.de>
5245 * tree-ssa-structalias.c (get_constraint_for): Remove
5247 (get_constraint_for_component_ref): Likewise.
5248 (do_deref): Likewise.
5249 (get_constraint_for): Likewise.
5250 (do_structure_copy): Likewise.
5251 (handle_ptr_arith): Likewise.
5252 (find_func_aliases): Likewise. Remove unused need_anyoffset
5255 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5256 Kaz Kojima <kkojima@gcc.gnu.org>
5258 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5259 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5260 (EXTRA_CONSTRAINT_C16): Remove.
5261 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5262 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5263 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5264 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5265 constants of SHmedia. Handle nested constant expressions of
5267 (andcosts): Fix the costs for SHmedia constants.
5268 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5269 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5270 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5271 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5272 (movv4hi_i, movv2si_i): Likewise.
5273 (movsi_const): Adjust the second operand of ior so to match with
5275 (movdi_const, movdi_const_32bit): Likewise.
5276 (movdi_const_16bit+1): Don't sign-extend LOW.
5277 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5279 (*double_shori): Fix the split condition. Use GEN_INT instead
5280 of get_int_mode calls. Mask lower 16-bit of the argument of
5282 (sym2GOTPLT): Remove.
5283 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5285 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5286 instead of EXTRA_CONSTRAINT_C16.
5288 2006-01-07 Ian Lance Taylor <ian@airs.com>
5289 David Edelsohn <edelsohn@gnu.org>
5291 PR rtl-optimization/25662
5292 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5293 for constant operands instead of simplify_gen_binary.
5294 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5295 after trying simplify_binary_operation
5297 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5299 * tree.c (iterative_hash_expr): Hash decls based on UID.
5301 2006-01-06 Eric Christopher <echristo@apple.com>
5303 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5304 (TARGET_UNWIND_EMIT): Fix spelling.
5305 * target.h (gcc_target): Add except_table_label.
5306 * except.c (output_function_exception_table): Use.
5307 * varasm.c (default_emit_except_table_label): New.
5308 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5310 (asm_out): Add here.
5311 * output.h (default_emit_except_table_label): Prototype.
5312 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5313 * config/darwin.c (darwin_emit_except_table_label): Define.
5314 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5316 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5318 PR tree-optimization/18527
5319 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5320 number_of_iterations_special, number_of_iterations_exit):
5321 Move base and step of an iv to a single structure. Add
5322 no_overflow flag, and use it in # of iterations analysis.
5323 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5324 folded_casts argument.
5325 (simple_iv): Pass base and step in a structure. Set no_overflow
5327 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5328 Evaluate expensiveness of computing # of iterations instead of
5329 the final expression.
5330 * tree-scalar-evolution.h (affine_iv): New structure.
5331 (simple_iv): Declaration changed.
5332 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5333 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5334 find_givs_in_stmt): Changed due to simple_iv change.
5336 2006-01-06 Jeff Law <law@redhat.com>
5339 * tree-cfg.c (bsi_replace): Rename final argument from
5340 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5341 change (stmt -> orig_stmt).
5342 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5343 (bsi_remove): Add new argument. Remove EH information
5345 (verify_eh_throw_table_statements): New function.
5346 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5348 * tree-optimize.c (execute_free_cfg_annotations): Verify
5349 the EH throw statement table after removing annotations.
5350 * except.h (verify_eh_throw_table_statements): Prototype.
5351 * tree-flow.h (bsi_remove): Update prototype.
5352 * tree-vrp.c (remove_range_assertions): Add new argument to
5354 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5355 * tree-complex.c (expand_complex_div_wide): Likewise.
5356 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5357 * tree-tailcall.c (eliminate_tailcall): Likewise.
5358 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5359 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5360 * tree-nrv.c (tree_nrv): Likewise.
5361 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5362 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5363 (combine_blocks): Likewise.
5364 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5365 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5366 (cleanup_control_flow): Likewise.
5367 (remove_forwarder_block): Likewise.
5368 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5369 * tree-sra.c (sra_replace): Likewise.
5370 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5371 (forward_propagate_single_use_vars): Likewise.
5372 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5373 * tree-inline.c (expand_call_inline): Likewise.
5374 * tree-vect-transform.c (vect_transform_loop): Likewise.
5375 * tree-outof-ssa.c (rewrite_trees): Likewise.
5376 * tree-cfg.c (make_goto_expr_edges): Likewise.
5377 (cleanup_dead_labels): Likewise.
5378 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5379 (bsi_move_before, bsi_move_after): Likewise.
5380 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5381 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5383 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5386 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5388 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5389 on non gimple variables. Also add checks at the top for decls and
5391 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5393 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5394 and IMAGPART_EXPR for creating MUST_DEFs.
5395 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5396 and NAME_MEMORY_TAG separately from the DECLs.
5398 2006-01-06 Richard Guenther <rguenther@suse.de>
5400 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5401 annotation, if necessary.
5402 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5403 redundant calls to update_stmt.
5404 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5407 2006-01-05 Richard Henderson <rth@redhat.com>
5409 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5411 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5413 * c-typeck.c: Update copyright date.
5415 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5417 * c-typeck.c (build_c_cast): Always warn when casting
5418 from a pointer to an integer of different size, even if
5419 the node was constant.
5421 2006-01-05 Richard Guenther <rguenther@suse.de>
5423 PR tree-optimization/22555
5424 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5425 if one structure field is an array.
5426 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5427 operands even if we found a subvar, but ignore VOPs in this
5429 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5431 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5433 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5436 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5438 2006-01-05 Richard Guenther <rguenther@suse.de>
5439 Diego Novillo <dnovillo@redhat.com>
5441 * tree-pass.h (TODO_remove_unused_locals): Define.
5442 * gimple-low.c (expand_var_p, remove_useless_vars,
5443 pass_remove_useless_vars): Remove. Update all users.
5444 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5445 (remove_unused_locals): New function.
5446 * tree-flow.h (remove_unused_locals): Declare.
5447 * passes.c (execute_todo): Call remove_unused_locals if
5448 TODO_remove_unused_locals is set.
5449 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5450 * tree-ssa-dce.c (pass_dce): Likewise.
5451 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5453 2006-01-05 Richard Guenther <rguenther@suse.de>
5455 * tree-flow.h (struct fieldoff): Decompose field to
5456 type, size and decl.
5457 * tree-ssa-alias.c (create_sft): Take type as parameter.
5458 (create_overlap_variables_for): Store type, size and decl
5459 in the fieldoff structure.
5460 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5462 (push_fields_onto_fieldstack): Likewise.
5463 (create_variable_info_for): Likewise. Use offset for the
5464 SFT name if the decl is not available.
5466 2006-01-04 Paul Brook <paul@codesourcery.com>
5468 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5470 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5472 * lambda-code.c (can_put_in_inner_loop): Relax
5474 (can_put_after_inner_loop): New function.
5475 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5476 (perfect_nestify): Change to make copies and modify uses.
5478 2006-01-04 Richard Henderson <rth@redhat.com>
5480 Merge from gomp branch:
5481 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5482 via integer constant.
5483 (pragma_lex): Remove.
5484 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5485 rather than parsing it.
5486 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5487 handle_pragma_extern_prefix): Add %< %> quotes.
5488 (registered_pragmas): New.
5489 (c_register_pragma_1): New.
5490 (c_register_pragma): Use it.
5491 (c_register_pragma_with_expansion): Likewise.
5492 (c_invoke_pragma_handler): New.
5493 (init_pragma): Use cpp_register_deferred_pragma directly for
5495 * c-pragma.h (enum pragma_kind): New.
5496 (pragma_handler): New.
5497 (c_invoke_pragma_handler): Declare.
5498 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5500 * c-common.h (c_common_pch_pragma): Update decl.
5501 * Makefile.in (c-parser.o): Update dependencies.
5502 (GTFILES): Add c-pragma.h.
5503 * c-parser.c (struct c_token): Add pragma_kind.
5504 (struct c_parser): Add in_pragma.
5505 (c_lex_one_token): Always initialize keyword and pragma_kind.
5506 Extract data for CPP_PRAGMA.
5507 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5508 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5509 Don't allow CPP_PRAGMA_EOL if in_pragma.
5510 (c_parser_consume_pragma): New.
5511 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5512 (c_parser_skip_to_end_of_parameter): Likewise.
5513 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5514 (c_parser_skip_to_pragma_eol): New.
5515 (c_parser_external_declaration): Handle CPP_PRAGMA.
5516 (c_parser_compound_statement_nostart): Likewise.
5517 (c_parser_statement_after_labels): Likewise.
5518 (c_parser_pragma): New.
5519 (pragma_lex): Likewise.
5520 (c_parser_pragma_pch_preprocess): New.
5521 (c_parser_new): Merge into ...
5522 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5524 2006-01-04 Jeff Law <law@redhat.com>
5527 * tree-cfg.c (bsi_replace): Remove the original statement
5528 from the EH throw statement table.
5530 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5532 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5533 make the prototype extern "C" and add throw ().
5536 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5537 and pos non-negative and pos + len <= 32.
5538 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5539 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5540 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5543 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5544 as well as sizes not multiple of component size.
5547 * function.c (instantiate_expr): New function.
5548 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5549 walk its DECL_VALUE_EXPR with instantiate_expr.
5551 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5552 DW_OP_deref{,_size} if address isn't going to be added.
5554 2006-01-04 Ben Elliston <bje@au.ibm.com>
5556 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5557 * config/fp-bit.c: Likewise.
5559 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5561 * dominance.c: Add comment about why we use DFS numbering
5564 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5565 Richard Henderson <rth@redhat.com>
5567 Merge from gomp-branch:
5568 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5569 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5571 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5573 PR rtl-optimization/25578
5574 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5575 pass a parameter to simplify_shift_const if changing ASHIFTRT
5578 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5580 * builtins.c (get_builtin_sync_mem): New function.
5581 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5582 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5583 Call get_builtin_sync_mem to generate mem rtx.
5585 2006-01-03 Richard Guenther <rguenther@suse.de>
5588 * stmt.c (add_case_node): Make sure to clear overflow flags
5591 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5593 Merge from gomp-branch.
5594 * config/sparc/sync.md: New file.
5595 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5596 UNSPECV_LDSTUB): New constants.
5597 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5598 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5599 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5602 2006-01-03 Roger Sayle <roger@eyesopen.com>
5604 * combine.c (reg_subword_p): New predicate to test whether the
5605 destination of a set refers to a subword/piece of a register.
5606 (try_combine): Generalize the code to merge the setting of a
5607 pseudo to a constant followed by a set of a subword of that
5608 register to a constant.
5610 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5612 * basic-block.h (control_flow_graph): Change the type of
5613 x_label_to_block_map to VEC(basic_block,gc) *.
5614 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5615 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5617 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5618 VEC(basic_block,heap) *.
5619 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5620 ssa_prop_fini): Adjust the uses of cfg_blocks.
5622 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5624 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5626 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5627 hashing trees instead of a pointer hash.
5628 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5629 compare for MEM_EXPR.
5631 PR rtl-optimization/25130
5632 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5633 when comparing MEMs for GCSE
5635 2006-01-03 Ben Elliston <bje@au.ibm.com>
5637 * targhooks.h (default_decimal_float_supported_p): Declare.
5638 * targhooks.c (default_decimal_float_supported_p): Define.
5639 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5640 `default_decimal_float_supported_p'.
5641 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5643 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5645 * combine.c (apply_distributive_law <SUBREG>): Check
5646 TRULY_NOOP_TRUNCATION.
5648 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5650 * dwarf2out.c (have_switched_text_section): Delete.
5651 (have_multiple_function_sections): New.
5652 (have_location_lists): Make 'bool'.
5653 (add_AT_loc_list): Use 'true' not '1'.
5654 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5655 (output_loc_list): Use have_multiple_function_sections.
5656 (output_ranges): Likewise.
5657 (dwarf2out_begin_function): Set have_multiple_function_sections if
5659 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5660 Check function_section rather than DECL_SECTION_NAME.
5661 (dwarf2out_finish): Use have_multiple_function_sections.
5662 Don't clear have_location_lists.
5664 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5665 Jan Hubicka <jh@suse.cz>
5667 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5668 case of conditional jump jumping to the next instruction.
5669 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5670 cases of conditional jump jumping to the next instruction.
5672 2006-01-02 Jan Hubicka <jh@suse.cz>
5674 * i386.c (*_cost): Add COSTS_N_INSNS.
5675 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5677 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5680 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5682 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5684 * config/arm/arm.c (all_fpus): Fix comment typo.
5685 * config/darwin.c: Likewise.
5686 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5687 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5688 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5690 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5692 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5693 (rs6000_split_compare_and_swapqhi): New.
5694 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5695 (sync_compare_and_swapqhi_internal): New.
5696 * config/rs6000/rs6000-protos.h: Declare.