1 2006-02-25 Juergen Weigert <jw@suse.de>
2 Richard Guenther <rguenther@suse.de>
4 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8 * combine.c (gen_lowpart_or_truncate): Call
9 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13 * doc/invoke.texi: Move -fopenmp description to "Options for
15 Remove reference to -lgomp.
17 2006-02-24 David Edelsohn <edelsohn@gnu.org>
19 * doc/install.texi: Require GNU tar version 1.14.
21 2006-02-24 Geoffrey Keating <geoffk@apple.com>
23 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
24 * doc/invoke.texi (C++ Dialect Options): Document
25 -fno-use-cxa-get-exception-ptr.
26 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
27 * configure: Regenerate.
28 * c.opt (fuse-cxa-get-exception-ptr): New.
29 * c-opts.c (c_common_handle_option): Handle
30 OPT_fuse_cxa_get_exception_ptr.
31 * c-common.c (flag_use_cxa_atexit): Update documentation.
32 (flag_use_cxa_get_exception_ptr): New.
33 * c-common.h (flag_use_cxa_get_exception_ptr): New.
34 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
36 (C_COMMON_OVERRIDE_OPTIONS): New.
38 2006-02-24 Roger Sayle <roger@eyesopen.com>
41 * combine.c (try_combine): Explicitly check whether GET_CODE is
42 a SET or a CLOBBER, instead on checking that it isn't a USE.
44 2006-02-24 Roger Sayle <roger@eyesopen.com>
46 * fold-const.c (fold_comparison): New subroutine of fold_binary
47 containing transformations common to both the equality and
48 ordering relational operators, factored out of fold_binary.
49 (fold_binary): Separate out the equality operators (EQ_EXPR
50 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
51 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
52 transformations common to both.
53 (fold_div_compare): Fix latent bugs in the previously unreachable
54 LT_EXPR and GE_EXPR cases.
56 2006-02-24 David Edelsohn <edelsohn@gnu.org>
58 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
59 decl libname for clog to __clog on AIX.
61 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
63 2006-02-24 Alan Modra <amodra@bigpond.net.au>
66 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
67 output traceback table for thunks. Localise rs6000_stack_info call.
69 2006-02-23 Roger Sayle <roger@eyesopen.com>
70 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
72 * gthr-posix.h (__gthrw): Fix typo in comment.
74 2006-02-23 Geoffrey Keating <geoffk@apple.com>
76 * doc/cpp.texi (Character sets): Document that we do support
77 input files to be in any character set.
79 2006-02-23 Jeff Law <law@redhat.com>
81 * tree.h (PHI_ARG_NONZERO): Remove.
82 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
83 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
86 PR tree-optimization/26425
87 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
88 min/max, then assume its varying.
90 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
92 PR rtl-optimization/26316
93 * rtlanal.c (enum may_trap_p_flags): New.
94 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
95 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
96 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
97 (may_trap_after_code_motion_p): New function.
98 * loop-invariant.c (find_identical_invariants): Fix dump formating.
99 (find_invariant_insn): Use may_trap_after_code_motion_p.
100 * rtl.h (may_trap_after_code_motion_p): Declare.
102 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
104 * emit-rtl.c (immed_double_const): Cleanup.
106 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
108 Fix PR tree-optimization/26376
109 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
112 2006-02-23 Jakub Jelinek <jakub@redhat.com>
115 * gimplify.c (omp_add_variable): Guard variable size decl test with
116 DECL_SIZE (decl) check.
118 2006-02-23 Richard Guenther <rguenther@suse.de>
121 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
122 like aggregate types.
124 2006-02-23 Jakub Jelinek <jakub@redhat.com>
126 * configure.ac: Add --with{,out}-long-double-128 configure option.
127 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
128 * configure: Rebuilt.
129 * config.in: Rebuilt.
130 * doc/install.texi (Options specification): Document
131 --with-long-double-128.
133 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
134 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
135 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
136 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
138 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
140 * config/s390/s390.c (override_options): Handle
141 TARGET_DEFAULT_LONG_DOUBLE_128.
143 * config/alpha/alpha.c (override_options): Handle
144 TARGET_DEFAULT_LONG_DOUBLE_128.
146 * config/sparc/sparc.c (sparc_override_options): Handle
147 TARGET_DEFAULT_LONG_DOUBLE_128.
149 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
151 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
152 (real-install-headers-tar, real-install-headers-cpio)
153 (real-install-headers-cp): New targets.
155 2006-02-22 Richard Sandiford <richard@codesourcery.com>
157 * tree.h (variable_section): Delete.
158 * varasm.c (variable_section): Delete.
160 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
162 * install.texi: Add notes on install.texi2html.
163 (Building in parallel): Do not use footnotes.
165 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
168 * doc/install.texi (Configuration): Document --disable-libgomp.
170 2006-02-21 Geoffrey Keating <geoffk@apple.com>
172 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
174 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
176 * config/i386/sse.md (vec_extractv2df_1_sse): New.
177 (vec_extractv2df_0_sse): New.
179 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
181 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
182 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
183 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
184 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
185 to the result of the expression.
187 (frame_pointer_cfa_offset): Rename to...
188 (frame_pointer_fb_offset): ... this. Adjust all uses.
189 (convert_cfa_to_loc_list): Rename to...
190 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
191 Pass it on to build_cfa_loc.
192 (compute_frame_pointer_to_cfa_displacement): Rename to...
193 (compute_frame_pointer_to_fb_displacement): ... this. New
194 offset parameter. Use it in computation.
195 (gen_subprogram_die): Compute cfa_fb_offset with the new
196 macro, and use it to compute the fb loc list and the
199 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
201 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
202 replaced with register_operand.
203 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
204 non-DREG is expensive.
205 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
206 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
209 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
211 * doc/install.texi2html: Use set -e.
213 2006-02-21 Richard Sandiford <richard@codesourcery.com>
215 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
216 (ASM_OUTPUT_SHARED_LOCAL): Delete.
217 * doc/invoke.texi (-fshared-data): Delete.
218 * common.opt (fshared-data): Delete.
219 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
220 (assemble_static_space): Remove #if 0 code.
221 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
222 (ASM_OUTPUT_SHARED_LOCAL): Poison.
223 * config/cris/cris.h: Remove FIXME.
225 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
227 * doc/sourcebuild.texi (Front End Directory): No more double-colon
230 2006-02-21 Jakub Jelinek <jakub@redhat.com>
233 * combine.c (simplify_shift_const_1): Disable nested shifts
234 optimization for vector shifts.
236 2006-02-20 Roger Sayle <roger@eyesopen.com>
238 PR tree-optimization/26361
239 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
240 of unsigned integer types.
242 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
244 * tree-chrec.c (eq_evolutions_p): New.
245 * tree-chrec.h (eq_evolutions_p): Declared.
246 * tree-data-ref.c: Fix formatting.
247 (datadep_stats, dependence_stats): New.
249 (print_direction_vector): New.
250 (dump_data_dependence_relation): Use print_direction_vector.
251 (object_analysis, create_data_ref): Handle COMPONENT_REF.
252 (compute_subscript_distance): Static.
253 (initialize_data_dependence_relation): Static. Get the number
254 of loops surrounding the references from the callers, and initialize
255 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
256 base_object_differ_p analyzers.
257 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
258 compute_overlap_steps_for_affine_1_2,
259 analyze_subscript_affine_affine): Count the classified dependences.
260 Print a message when a test failed.
261 (can_use_analyze_subscript_affine_affine): New.
262 (analyze_siv_subscript): Compute the data dependences on symbolic
263 scevs that verify can_use_analyze_subscript_affine_affine.
264 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
265 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
266 Handle symbolic scevs.
267 (analyze_overlapping_iterations): Let symbolic affine scevs to be
269 (subscript_dependence_tester): Moved...
270 (build_classic_dist_vector, build_classic_dir_vector): Don't use
271 lambda_vector_clear on newly allocated vectors. Get nb_loops from
272 DDR_SIZE_VECT instead of getting it in parameter.
273 (subscript_dependence_tester): ... here. Take as a parameter
274 loop_nest_depth. Call build_classic_dist_vector and
275 build_classic_dir_vector.
276 (compute_affine_dependence): Update subscript_dependence_tester
277 parameters. Update datadep_stats counters. Call
278 compute_subscript_distance.
279 (compute_self_dependence): Save the dist and dir vectors. Call
280 compute_subscript_distance.
281 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
282 (compute_all_dependences): Reorder parameters as they were before
283 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
284 compute_subscript_distance. Update the use of
285 compute_affine_dependence and initialize_data_dependence_relation.
286 (find_data_references_in_loop): Handle COMPONENT_REF.
287 (compute_data_dependences_for_loop): Initialize dependence_stats.
288 Don't call build_classic_dist_vector and build_classic_dir_vector.
289 Update the parameters of initialize_data_dependence_relation and
290 compute_all_dependences. Print the statistics from datadep_stats.
291 (analyze_all_data_dependences): Static. Not used until the pass for
292 checking the data dependences is contributed.
293 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
294 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
295 (initialize_data_dependence_relation, compute_affine_dependence,
296 analyze_all_data_dependences, compute_subscript_distance): Removed.
297 (print_direction_vector): New.
298 * lambda.h (gcd): ... here.
299 (lambda_vector_gcd): Moved here from gcd_vector.
300 * lambda-code.c (gcd, gcd_vector): Removed.
301 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
302 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
304 2006-02-20 Diego Novillo <dnovillo@redhat.com>
306 * ipa-type-escape.c: Tidy some comments and white space.
307 * tree-ssa-operands.c: Likewise.
309 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
312 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
313 (dump_decl_name): Do not walk the decl tree chains.
314 * tree-pass.h (TDF_CHAIN): Remove.
316 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
318 * Makefile.in (C): Remove
320 (.PHONY): Remove C and PROTO
322 2006-02-20 Roger Sayle <roger@eyesopen.com>
325 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
326 deprecated CHAR_TYPE tree code.
328 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
330 * configure.ac (target_list): Add install-info, dvi, html.
331 * configure: Regenerate.
333 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
334 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
335 treelang/Make-lang.in: Do not use double-colon rules.
337 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
339 * tree.h (struct tree_memory_tag): Add is_used_alone member.
340 (TMT_USED_ALONE): New macro.
341 * tree-pass.h (PROP_tmt_usage): New property.
342 (TODO_update_tmt_usage): New todo.
343 * tree-ssa-alias.c (updating_used_alone): New variable.
344 (recalculate_used_alone): New function.
345 (compute_may_aliases): Set updating_used_alone, call
346 recalculate_used_alone.
347 * tree-sra.c (pass_sra): Note that this pass destroys
348 PROP_tmt_usage, and add TODO_update_tmt_usage.
349 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
350 * tree-flow.h (updating_used_alone): Prototype.
351 (recalculate_used_alone): Ditto.
352 * passes.c (execute_todo): Add code to set updating_used_alone,
353 and call recalculate.
354 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
355 for clobber if used alone, and add assert to verify used_alone
358 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
360 * config/s390/s390.c (legitimize_pic_address): Assertions checking
361 for non tls symbols added.
362 (legitimize_address): Do nothing for PLUS expressions if one of the
363 addends is a tls symbol reference.
365 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
369 * Makefile.in (LDFLAGS): Define from autoconf substitution.
371 * Makefile.in (BOOTSTRAPPING): New.
372 (quickstrap): New definition if BOOTSTRAPPING=yes.
374 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
375 * configure.ac: Substitute all_selected_languages with the languages
376 that were configured. For all the other variables except
377 lang_specs_files, include all the languages in the tree.
378 * configure: Regenerate.
380 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
381 if there is one. Run the commands to run fixincludes in the same
384 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
385 * doc/install.texi: Document exact conventions for searching target tools.
386 Document --with-build-time-tools. Document toplevel bootstrap. Document
387 something more about building an Ada cross-compiler. Don't list GNU Make
388 requirements which affect all platforms.
390 2006-02-19 Roger Sayle <roger@eyesopen.com>
393 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
394 only equivalent if the have both the same mode and precision.
396 2006-02-20 Ben Elliston <bje@au.ibm.com>
398 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
400 2006-02-19 Roger Sayle <roger@eyesopen.com>
401 Steven Bosscher <stevenb.gcc@gmail.com>
403 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
404 constant pool references to identify stack mode constants.
405 * rtlanal.c (constant_pool_constant_p): New predicate to check
406 whether operand is a floating point constant in the pool.
407 * rtl.h (constant_pool_constant_p): Prototype here.
408 * loop.c (scan_loop): Avoid hoisting constants from the constant
409 pool on STACK_REGS targets.
410 (load_mems): Likewise.
411 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
412 loads into x87 registers expensive in terms of register pressure.
414 2006-02-19 Roger Sayle <roger@eyesopen.com>
416 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
417 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
419 2006-02-19 David Edelsohn <edelsohn@gnu.org>
421 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
422 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
424 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
426 * doc/invoke.texi: Document -fipa-pta.
427 * common.opt: Add ipa-pta option.
428 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
429 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
430 (do_ds_constraint): Ditto.
431 (get_constraint_for): Only add to referenced_vars if
432 referenced_vars exists.
433 (insert_into_field_list): Rewrite to do this unsorted.
434 (insert_into_field_list_sorted): Rename old insert_into_field_list
436 (create_function_info_for): Use insert_into_field_list_sorted.
437 (create_variable_info_for): Rewrite so it uses unsorted version,
438 since the field list is sorted.
439 (intra_create_variable_infos): Only add to referenced_vars if
440 referenced_vars exists.
441 (ipa_pta_execute): Init heapvars, and delete when done.
442 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
444 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
446 * doc/install.texi: Add missing `@samp'.
448 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
450 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
453 2006-02-18 Mark Wielaard <mark@klomp.org>
455 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
456 who added new 4.1 features, bug fixes and integration support.
458 2006-02-18 David Edelsohn <edelsohn@gnu.org>
461 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
464 2006-02-18 Richard Sandiford <richard@codesourcery.com>
466 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
467 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
468 (copy_insn_1): Likewise. Don't copy each field individually.
470 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
472 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
473 * rtl.c (rtx_size): Rename variable to...
474 (rtx_code_size): ...this.
475 (rtx_size): New function.
476 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
477 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
479 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
480 * rtl.h (rtx_code_size): New variable.
481 (rtx_size): Change from a variable to a function.
482 (RTX_SIZE): Rename to...
483 (RTX_CODE_SIZE): ...this.
486 PR tree-optimization/17106
487 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
488 (Anchored Addresses): New section.
489 * doc/invoke.texi (-fsection-anchors): Document.
490 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
491 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
492 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
493 * hooks.c (hook_bool_mode_rtx_false): New function.
494 * hooks.h (hook_bool_mode_rtx_false): Declare.
495 * gengtype.c (create_optional_field): New function.
496 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
497 SYMBOL_REF_IN_BLOCK_P is true.
498 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
499 (min_anchor_offset, max_anchor_offset): Likewise.
500 (use_anchors_for_symbol_p): New hook.
501 * toplev.c (compile_file): Call output_object_blocks.
502 (target_supports_section_anchors_p): New function.
503 (process_options): Check that -fsection-anchors is only used on
504 targets that support it and when -funit-at-a-time is in effect.
505 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
506 if the decl doesn't have one.
507 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
508 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
509 of force_const_mem through use_anchored_address.
510 (expand_expr_constant): New function.
511 (expand_expr_addr_expr_1): Call it. Use the same modifier when
512 calling expand_expr for INDIRECT_REF.
513 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
514 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
515 * expr.h (use_anchored_address): Declare.
516 * loop-unroll.c: Don't declare rtx vectors here.
517 * explow.c: Include output.h.
518 (validize_mem): Call use_anchored_address.
519 (use_anchored_address): New function.
520 * common.opt (-fsection-anchors): New switch.
521 * varasm.c (object_block_htab, anchor_labelno): New variables.
522 (hash_section, object_block_entry_eq, object_block_entry_hash)
523 (use_object_blocks_p, get_block_for_section, create_block_symbol)
524 (use_blocks_for_decl_p, change_symbol_section): New functions.
525 (get_variable_section): New function, split out from assemble_variable.
526 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
527 use_blocks_for_decl_p say so. Use change_symbol_section if the
528 symbol has already been created.
529 (assemble_variable_contents): New function, split out from...
530 (assemble_variable): ...here. Don't output any code for
531 block symbols; just pass them to place_block_symbol.
532 Use get_variable_section and assemble_variable_contents.
533 (get_constant_alignment, get_constant_section, get_constant_size): New
534 functions, split from output_constant_def_contents.
535 (build_constant_desc): Create a block symbol if use_object_blocks_p
536 says so. Or into SYMBOL_REF_FLAGS.
537 (assemble_constant_contents): New function, split from...
538 (output_constant_def_contents): ...here. Don't output any code
539 for block symbols; just pass them to place_section_symbol.
540 Use get_constant_section and get_constant_alignment.
541 (force_const_mem): Create a block symbol if use_object_blocks_p and
542 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
543 (output_constant_pool_1): Add an explicit alignment argument.
544 Don't switch sections here.
545 (output_constant_pool): Adjust call to output_constant_pool_1.
546 Switch sections here instead. Don't output anything for block symbols;
547 just pass them to place_block_symbol.
548 (init_varasm_once): Initialize object_block_htab.
549 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
550 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
551 (place_block_symbol, get_section_anchor, output_object_block)
552 (output_object_block_htab, output_object_blocks): New functions.
553 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
554 (TARGET_ASM_OUT): Include it.
555 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
556 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
557 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
558 (TARGET_INITIALIZER): Include them.
559 * rtl.c (rtl_check_failed_block_symbol): New function.
560 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
561 (block_symbol, object_block): New structures.
562 (rtx_def): Add a block_symbol field to the union.
563 (BLOCK_SYMBOL_CHECK): New macro.
564 (rtl_check_failed_block_symbol): Declare.
565 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
566 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
567 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
568 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
569 * output.h (output_section_symbols): Declare.
570 (object_block): Name structure.
571 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
572 (default_use_anchors_for_symbol_p): Declare.
573 * Makefile.in (RTL_BASE_H): Add vec.h.
574 (explow.o): Depend on output.h.
575 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
576 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
577 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
578 (rs6000_use_blocks_for_constant_p): New function.
580 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
582 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
584 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
587 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
590 2006-02-18 Diego Novillo <dnovillo@redhat.com>
592 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
596 2006-02-18 Jakub Jelinek <jakub@redhat.com>
599 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
600 instead of DECL_REGISTER.
602 2006-02-18 Olivier Hainque <hainque@adacore.com>
605 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
607 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
610 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
611 * opth-gen.awk: Handle Var and InverseMask together.
612 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
613 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
614 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
615 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
617 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
618 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
619 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
621 LINUX_DYNAMIC_LINKER): Define.
622 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
623 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
625 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
626 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
627 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
629 (TARGET_C99_FUNCTIONS): Don't define.
630 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
631 GLIBC_DYNAMIC_LINKER.
632 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
633 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
634 GLIBC_DYNAMIC_LINKER64): Define.
635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
636 LINUX_DYNAMIC_LINKER64.
637 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
638 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
639 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
640 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
641 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
643 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
644 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
645 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
647 and LINUX_DYNAMIC_LINKER32.
648 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
650 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
652 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
654 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
655 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
656 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
657 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
658 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
659 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
660 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
661 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
662 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
663 LINUX_DYNAMIC_LINKER): Define.
664 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
665 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
666 GLIBC_DYNAMIC_LINKER64): Define.
667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
668 LINUX_DYNAMIC_LINKER64.
669 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
670 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
671 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
672 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
673 LINUX_DYNAMIC_LINKER): Define.
674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
675 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
676 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
677 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
678 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
679 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
680 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
681 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
682 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
683 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
685 * doc/invoke.texi (-muclibc): Remove caveat about supported
688 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
690 * doc/cpp.texi (__TIMESTAMP__): Document.
692 2006-02-17 Roger Sayle <roger@eyesopen.com>
695 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
696 C is one less than the width of X (and related transformations).
697 * simplify_rtx.c (simplify_unary_operation_1): Transform
698 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
699 depending on STORE_FLAG_VALUE, were C is one less then the
702 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
704 Fix PR tree-optimization/26341
705 * tree-ssa-operands.c (add_virtual_operand): Remove assert
706 about NAME_MEMORY_TAG's.
708 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
711 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
712 with hardware float support, and software float support. Add fcpy
713 alternative to hardware patterns. Add alternatives to copy between
714 general and floating-point registers to the 32-bit pattern.
715 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
716 secondary reload to load a QI or HI mode constant into a floating
718 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
719 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
721 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
724 * config/rs6000/darwin.md (load_macho_picbase_si): Add
726 (load_macho_picbase_di): Likewise.
728 2006-02-16 Jeff Law <law@redhat.com>
730 * tree-vrp.c (set_value_range_to_nonnegative): New function.
731 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
732 (ssa_name_nonzero_p): Likewise.
733 (get_value_range): Return NULL if VRP is not running.
734 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
735 VRP routines do not discover a range.
736 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
737 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
738 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
739 (tree_expr_nonnegative_p): Similarly.
740 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
741 (restore_nonzero_vars_to_original_value): Remove.
742 (unsafe_associative_fp_binop): Remove.
743 (tree_ssa_dominator_optimize): Remove initialization and
744 finalization of nonzero_vars and nonzero_vars_stack.
745 (dom_opt_initialize_block): No longer push marker on
747 (dom_opt_finalize_block): No longer call
748 restore_nonzero_vars_to_original_value.
749 (record_equivalences_from_phis): No longer look for
750 nonzero PHI arguments.
751 (cprop_into_successor_phis): No longer propagate nonzero
752 property into PHI arguments. Lose unused argument. Caller
754 (record_equivalences_from_stmt): No longer record nonzero
755 values for SSA_NAMEs.
756 (lookup_avail_expr): No longer use nonzero_vars.
758 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
759 for sizetype when sizetype is unsigned.
761 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
763 PR rtl-optimization/25603
764 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
765 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
766 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
767 with new meaning of SETS.
769 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
774 * config/linux.opt: New file.
775 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
776 LINUX_DYNAMIC_LINKER): Define.
777 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
778 * config.gcc (*-*-linux*): Define extra_options.
779 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
780 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
781 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
782 GLIBC_DYNAMIC_LINKER.
783 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
784 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
785 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
787 * doc/invoke.texi (GNU/Linux Options): New section.
789 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
791 * config/sparc/sparc.md (setjmp): Rewrite.
793 (setjmp_64): Likewise.
795 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
797 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
800 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
802 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
805 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
807 PR rtl-optimization/26296
808 * Makefile.in (loop-invariant.c): Add except.h dependency.
809 * loop-invariant.c: Include except.h.
810 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
812 2005-02-16 Paul Brook <paul@codesourcery.com>
814 * reload1.c (emit_reload_insns): Invalidate dead input registers used
817 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
819 PR rtl-optimization/25636
820 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
821 when deciding whether an insn is an initializing insn.
823 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
825 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
826 (tree_code_size): Ditto.
827 * tree.h (struct tree_memory_tag): Remove parent_var.
828 (struct tree_struct_field_tag): New.
831 (union tree_node): Add sft member.
832 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
834 (create_sft): Add size and offset argument, set SFT_OFFSET and
836 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
837 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
838 * tree-flow-inline.h (get_subvar_at): Update for
840 (var_can_have_subvars): Ditto.
841 (overlap_subvar): Ditto.
842 * print-tree.c (print_node): Print out interesting things for
844 * tree-flow.h (struct subvar): Remove offset and size members.
845 * tree-ssa-operands.c (get_expr_operands): Update for
846 get_indirect_ref_operands changes.
847 (get_indirect_ref_operands): Call add_virtual_operand instead of
848 add_stmt_operand. Only recurse on base var if requested.
849 (access_can_touch_variable): New function.
850 (add_stmt_operand): Split virtual operand handling into ...
851 (add_virtual_operand): Here. Add offset, size, and for_clobber
852 arguments. Prune alias sets.
853 (add_call_clobber_ops): Call add_virtual_operand.
855 2006-02-15 Jakub Jelinek <jakub@redhat.com>
858 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
860 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
861 than TREE_CODE as index into omp_clause_num_ops array.
863 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
865 PR rtl-optimization/26184
866 * modulo-sched.c (generate_reg_moves): Free bitmap vector
868 * modulo-sched.c (sms_schedule): Free g_arr pointer.
869 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
870 must_precede, must_follow and tobe_scheduled.
873 * opts.c (common_handle_option): Free new_option pointer.
874 * df-core.c (df_analyze): Free postorder pointer.
876 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
878 * Makefile.in: Fix the examples about the use of stamps
880 2006-02-15 Michael Matz <matz@suse.de>
884 * stor-layout.c (layout_decl): Zero-width bitfields aren't
885 influenced by maximum_field_alignment or DECL_PACKED.
886 (update_alignment_for_field): Ditto.
887 (place_field): Ditto.
888 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
891 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
893 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
894 (debug_flow_info): Pass it.
895 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
896 * bb-reorder.c (reorder_basic_blocks): Likewise.
897 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
898 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
899 * flow.c (life_analysis, recompute_reg_usage): Likewise.
900 * gcse.c (gcse_main, bypass_jumps): Likewise.
901 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
902 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
903 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
904 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
905 * rtl.h (dump_flow_info): Adjust prototype.
906 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
907 * var-tracking.c (variable_tracking_main): Likewise.
908 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
909 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
912 2006-02-15 Marcin Dalecki <martin@dalecki.de>
914 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
917 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
919 PR tree-optimization/26209
920 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
921 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
923 * tree-cfg.c (replace_uses_by): Do not alter cfg.
925 2006-02-14 Roger Sayle <roger@eyesopen.com>
928 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
929 (X,Y) and the corresponding symmetry related transformations.
930 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
931 (X,Y) and its symmetry related transformations.
933 2006-02-14 Roger Sayle <roger@eyesopen.com>
935 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
938 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
940 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
942 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
945 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
946 support COMDAT group.
947 * configure: Regenerate.
949 2006-02-14 Roger Sayle <roger@eyesopen.com>
954 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
956 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
958 Fix PR tree-optimization/26260
960 * doc/invoke.texi (max-fields-for-field-sensitive): Document
962 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
963 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
964 * tree-ssa-structalias.c (create_variable_info_for): Use
965 MAX_FIELDS_FOR_FIELD_SENSITIVE.
967 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
969 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
971 * tree-ssa-loop-niter.c (number_of_iterations_ne,
972 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
973 of the ending condition.
974 * tree-ssa-loop-manip.c: Include params.h.
975 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
976 tree_unroll_loop): New functions.
977 * tree-pass.h (pass_loop_prefetch): Declare.
978 * loop.c (rest_of_handle_loop_optimize): Test for
979 -fprefetch-loop-arrays-rtl.
980 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
981 * timevar.def (TV_TREE_PREFETCH): New timevar.
982 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
983 pass_loop_prefetch): New.
984 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
985 (cleanup_tree_cfg_loop): Call scev_reset.
986 * common.opt (fprefetch-loop-arrays-rtl): Add.
987 * tree-ssa-loop-prefetch.c: New file.
988 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
989 (new_temp_expr_table): Initialize expr_vars.
990 (free_temp_expr_table): Cleanup expr_vars.
991 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
992 expressions from being merged into one.
993 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
994 (struct tree_niter_desc): Add control, bound and cmp fields.
995 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
997 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
998 (tree-cfgcleanup.o): Add SCEV_H dependency.
999 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1000 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1002 2006-02-14 Richard Guenther <rguenther@suse.de>
1004 PR tree-optimization/26258
1005 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1006 in PHI argument processing.
1008 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1010 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1011 new expression in the requested machine mode.
1013 2006-02-13 Roger Sayle <roger@eyesopen.com>
1015 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1016 directly, instead let do_compare_rtx_and_jump handle this for us.
1017 * expr.c (expand_expr_real_1): Likewise.
1018 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1019 before do_jump_by_parts_greater.
1020 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1021 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1023 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1025 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1027 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1029 PR rtl-optimization/26235
1030 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1031 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1034 2006-02-13 Jeff Law <law@redhat.com>
1036 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1039 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1042 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1043 twice if decl is a builtin. When trying again, call get_callee_fndecl
1044 first to verify it is still a builtin.
1046 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1048 * dwarf2out.c (base_type_die): Don't add AT_name here.
1049 (subrange_type_die): Don't add AT_name here.
1050 (modified_type_die): Rearrange code flow. Do add AT_name here.
1052 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1054 PR rtl-optimization/26247
1055 PR rtl-optimization/26248
1056 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1058 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1060 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1061 * config/fixtfdi.c: Likewise.
1062 * config/fixunstfdi.c: Likewise.
1063 * config/floatditf.c: Likewise.
1065 2006-02-13 Roger Sayle <roger@eyesopen.com>
1068 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1069 into (X,C2) if C1 is a subset of the bits of C2. Transform
1070 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1072 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1074 2006-02-13 Josh Conner <jconner@apple.com>
1077 * varasm.c (function_section): Check for section name before
1078 calling select_section on targets that define
1079 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1080 unlikely_text_section instead of hot_function_section if
1081 first_function_block_is_cold.
1083 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1086 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1088 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1090 PR rtl-optimization/26222
1091 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1092 after tree->rtl expansion.
1093 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1094 before passing it to emit_move_insn.
1096 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1098 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1100 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1101 Clarify documentation.
1102 * c-common.h (warn_write_strings): Remove.
1103 * c-common.c (warn_write_strings): Likewise.
1104 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1107 2006-02-12 Roger Sayle <roger@eyesopen.com>
1110 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1111 (do_jump_parts_zero_rtx): New function renamed from
1112 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1113 (do_jump_parts_equality_rtx): New function split out from
1114 do_jump_parts_equality. Old implementation renamed as above.
1115 Call do_jump_parts_zero_rtx if either operand is zero.
1116 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1117 do all of the heavy lifting.
1118 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1119 calling either do_jump_by_parts_greater_rtx or
1120 do_jump_by_parts_equality_rtx.
1121 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1122 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1123 moved to do_compare_rtx_and_jump, call it directly.
1124 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1125 mode argument. Call do_compare_rtx_and_jump.
1126 (emit_case_nodes): Update calls to do_jump_if_equal.
1128 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1130 PR rtl-optimization/26225
1131 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1133 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1135 PR rtl-optimization/26232
1136 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1138 2006-02-11 Jason Merrill <jason@redhat.com>
1141 * tree-inline.c (declare_return_variable): Just don't use the
1142 modify target if it's a gimple complex reg and the return slot
1145 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1147 * doc/contrib.texi: Update my entry.
1149 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1151 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1153 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1155 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1158 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1160 * doc/invoke.texi (-floop-optimize2): Removed.
1161 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1162 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1163 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1164 * common.opt (floop-optimize2): Removed.
1165 (fmove-loop-invariants): Enabled by default.
1167 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1169 * tree-if-conv.c (combine_blocks): Free the result of
1170 get_loop_exit_edges.
1172 2006-02-10 Jeff Law <law@redhat.com>
1174 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1176 PR tree-optimization/26213
1177 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1178 loop trying to follow SSA_NAME_VALUE chains.
1180 2006-02-10 Richard Guenther <rguenther@suse.de>
1182 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1183 deal with structures that end in implicitly variable sized arrays.
1185 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1187 PR rtl-optimization/24762
1188 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1191 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1193 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1194 (struct ivopts_data): Add regs_used field.
1195 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1196 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1197 instead of loop_data->regs_used;
1198 (free_loop_data): Do not free aux fields for loops.
1199 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1200 and tree_ssa_iv_optimize_finalize.
1202 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1204 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1206 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1209 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1210 computing the effective result type.
1212 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1215 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1216 (tree_overlaps_hard_reg_set): Declare.
1217 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1218 type and signature to match function type expected by walk_tree.
1219 (tree_overlaps_hard_reg_set): New function.
1220 (decl_conflicts_with_clobbers_p): Rename to:
1221 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1222 Use tree_overlaps_hard_reg_set. Changed caller.
1223 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1224 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1225 * cris.c (cris_md_asm_clobbers): Likewise.
1227 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1229 * reload1.c (emit_input_reload_insns): Delete code that tries to
1230 inherit using find_equiv_reg.
1232 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1234 * c-common.h (flag_const_strings): Don't declare.
1235 * c-common.c (flag_const_strings): Remove.
1236 * c.opt (fconst_strings): Remove.
1237 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1238 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1239 (c_common_init_options): Don't set flag_const_strings.
1240 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1242 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1244 * arm.md (tlobits_cbranch): New pattern.
1245 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1246 testing a single bit.
1248 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1251 * tree-ssa-pre.c (create_component_ref_by_pieces):
1252 Handle RETURN_DECL like VAR_DECL.
1254 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1257 * fold-const.c (fold_indirect_ref_1): Fold
1258 "*(foo *)&complexfoo" to "__real__ complexfoo"
1259 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1261 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1263 * tree-flow-inline.h (var_can_have_subvars):
1264 Volatile variables should not have subvariables.
1266 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1269 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1270 multiplying unsigned values.
1273 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1275 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1277 2006-02-08 Jason Merrill <jason@redhat.com>
1280 * tree.def: Elaborate on difference from MODIFY_EXPR.
1281 * doc/c-tree.texi (INIT_EXPR): Likewise.
1282 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1283 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1284 (gimplify_target_expr): Likewise.
1285 (gimplify_cond_expr): Remove target handling.
1286 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1287 (gimplify_expr): Clobber it here.
1288 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1289 Do return slot optimization if we have an INIT_EXPR.
1292 * tree-inline.c (declare_return_variable): Also clear
1293 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1296 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1299 * gimplify.c (gimplify_one_sizepos): Fix typo.
1301 2006-02-08 Jeff Law <law@redhat.com>
1303 PR tree-optimization/21417
1304 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1305 across a backedge if the control statement at the end of the
1306 block is data dependent on other statements in the same block.
1307 (record_temporary_equivalences_from_stmts): Remove over-conservative
1308 test for threading across backedges.
1310 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1311 control statement, handle all three special cases in the same
1312 manner as they all have the same desired solution. No longer
1313 special case edge flag updating when the post dominator is
1316 2006-02-08 Roger Sayle <roger@eyesopen.com>
1318 * tree.def (CHAR_TYPE): Remove.
1319 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1320 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1321 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1322 (gen_string_type_die): Delete unreachable function.
1324 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1325 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1326 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1327 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1328 * builtins.c (type_to_class): Likewise.
1329 * fold-const.c (fold_convert, build_range_check,
1330 merge_ranges): Likewise.
1331 * expr.c (count_type_elements): Likewise.
1332 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1333 * stor-layout.c (layout_type): Likewise.
1334 * ipa-type-escape.c (type_to_consider): Likewise.
1335 * gimplify.c (omp_firstprivatize_type_sizes,
1336 gimplify_type_sizes): Likewise.
1337 * explow.c (promote_mode): Likewise.
1338 * tree-sra.c (is_sra_scalar_type): Likewise.
1339 * varasm.c (output_constant): Likewise.
1340 * tree-inline.c (remap_type_1): Likewise.
1341 * convert.c (convert_to_pointer, convert_to_real,
1342 convert_to_integer, convert_to_complex): Likewise.
1344 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1346 * df-scan.c (df_def_record_1): A set destination may
1347 be a parallel regardless of mode.
1349 2006-02-08 Roger Sayle <roger@eyesopen.com>
1352 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1353 * config/mips/_tilib.c: Remove.
1354 * config/fixtfdi.c: New libgcc source file.
1355 * config/fixunstfdi.c: New source file.
1356 * config/floatditf.c: New source file.
1357 * config/floatunditf.c: New souce file.
1358 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1359 files above instead of config/mips/_tilib.c.
1360 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1362 2006-02-08 Jeff Law <law@redhat.com>
1364 PR tree-optimization/26169
1365 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1368 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1370 * df.h (DF_REG_SIZE): Return the length of the initialized
1373 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1375 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1376 __muldf3): Return a correctly signed zero.
1378 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1380 * passes.c (register_one_dump_file): Accept the current properties
1381 instead of pass number. Adjust call to dump_register. Remove
1383 (register_dump_files): Now a wrapper around...
1384 (register_dump_files_1): ... this one. Do not modify the pass
1386 (next_pass_1): Cosmetic fix.
1387 (execute_todo): Keep second parameter only. Use curr_properties
1388 instead of fetching it from the pass structure. Check and set
1390 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1391 instead of fetching it from the pass structure. Fix calls to
1392 execute_todo. Update curr_properties and initialize .vcg RTL dump
1393 after running the pass. Reset last_verified.
1394 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1396 (FIRST_AUTO_NUMBERED_DUMP): New.
1397 (dump_register): Remove "num" parameter, assign it within the
1399 (get_dump_file_name): Modify template for dumps.
1400 * tree-dump.h (dump_register): Adjust prototype.
1401 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1402 (PROP_trees): Add PROP_gimple_lomp.
1403 (TODO_set_props): New.
1404 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1405 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1406 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1408 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1410 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1411 (sparc64-*-linux*): Likewise.
1412 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1413 * config/sparc/t-linux: New file.
1414 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1415 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1416 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1417 -m32 -mlong-double-128.
1419 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1420 * config/alpha/t-linux: New file.
1421 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1423 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1424 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1425 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1426 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1427 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1428 (CPP_ARCH32_SPEC): Remove.
1430 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1432 PR tree-optimization/26145
1433 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1436 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1439 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1440 >= 240000 when generating code for SOM runtime.
1441 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1442 to $$dyncall when generating code for SOM runtime..
1444 2006-02-07 Dirk Mueller <dmueller@suse.com>
1447 * doc/invoke.texi (-Wsequence-point): Update documentation
1448 that -Wsequence-point is implemented for C++ as well.
1450 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1452 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1453 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1454 (LIB_SPEC): Likewise.
1455 * doc/invoke.texi (SPARC options): Document -pthread.
1457 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1459 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1462 2006-02-07 Roger Sayle <roger@eyesopen.com>
1464 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1465 Correct comment describing BOOLEAN_TYPE.
1467 2006-02-07 Dirk Mueller <dmueller@suse.com>
1469 * c.opt: C++ frontend supports -Wdiv-by-zero.
1470 * c-opts.c (c_common_handle_option): Remove dead case.
1472 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1474 * configure.ac (TLS assembler check): Do not enable TLS by
1475 default on SPARC/Solaris before version 10.
1476 * configure: Regenerate.
1478 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1480 * doc/invoke.texi (xl-compat): Document conversion and support
1483 2006-02-07 Jeff Law <law@redhat.com>
1485 * tree-vrp.c (find_conditional_asserts): Update comments.
1486 (simplify_stmt_for_jump_threading): New.
1487 (identify_jump_threads, finalize_jump_threads): New.
1488 (vrp_finalize): Call identify_jump_threads.
1489 (execute_vrp): Call finalize_jump_threads.
1490 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1491 (vrp_element, vrp_data, vrp_element_p): Remove.
1492 (vrp_hash_elt, vrp_variables_stack): Remove.
1493 (vrp_hash, vrp_eq, record_range): Remove.
1494 (simplify_cond_and_lookup_avail_expr): Remove.
1495 (extract_range_from_cond): Remove.
1496 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1497 (simplify_stmt_for_jump_threading): New.
1498 (dom_thread_across_edge): New wrapper.
1499 (tree_ssa_dominator_optimize): No longer initialize or
1500 finalize any of the VRP datastructures. Remove iteration
1501 step and simplify as a result of removal of iteration step.
1502 (pass_dominator): Perform a cfg cleanup after DOM.
1503 (dom_opt_finalize_block): Use the new common routines
1504 for threading jumps. Simplify stack management slightly.
1505 No longer need to unwind VRP state.
1506 (record_equivalences_from_incoming_edge): No longer record
1508 (eliminate_redundant_computations): No longer call
1509 simplify_cond_and_lookup_avail_expr.
1510 * tree-flow.h (potentially_threadable_block): Prototype.
1511 (thread_across_edge): Likewise.
1512 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1513 (tree-ssa-threadedge.o): Add dependencies.
1514 * tree-ssa-threadedge.c: New file.
1515 * passes.c (init_optimization_passes): Merge PHIs before
1516 calling VRP. Run VRP again late in the SSA optimization pipeline.
1518 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1520 * df-core.c (df_set_blocks): Do not dereference function pointers.
1521 (df_finish1): Likewise.
1522 (df_hybrid_search_forward): Likewise.
1523 (df_hybrid_search_backward): Likewise.
1524 (df_iterative_dataflow): Likewise.
1525 (df_analyze_problem): Likewise.
1526 (df_compact_blocks): Likewise.
1527 (df_dump): Likewise.
1528 * df-scan.c (df_rescan_blocks): Likewise.
1529 (df_record_entry_block_defs): Likewise.
1531 * genconditions.c (write_conditions): Guard the definition of
1532 'insn_conditions' with the check on GCC version.
1533 (write_writer): Guard the traversal 'insn_conditions' with
1534 the check on GCC version.
1536 2006-02-07 Richard Guenther <rguenther@suse.de>
1540 2006-01-30 Richard Guenther <rguenther@suse.de>
1542 * gimplify.c (gimplify_target_expr): Handle easy cases
1543 without creating a temporary.
1545 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1547 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1548 use of float in probability computations. Use edge probabilities
1549 in place of statically computed probabilities.
1550 (min_spec_prob): New static variable.
1551 (schedule_insns): Initialize it.
1552 (GET_SRC_PROB): Removed.
1553 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1555 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1558 * config/ia64/unwind-ia64.c: Revert last change.
1559 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1560 (INCOMING_FRAME_SP_OFFSET): Define.
1562 2006-02-06 Roger Sayle <roger@eyesopen.com>
1564 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1566 2006-02-07 Ben Elliston <bje@au.ibm.com>
1568 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1569 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1570 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1571 (ix86_return_in_memory): Handle TDmode.
1572 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1573 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1575 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1577 * reorg.c (dbr_schedule): Use dump_file instead of file.
1579 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1582 * config/ia64/predicates.md (extr_len_operand): New predicate.
1583 * config/ia64/ia64.md (extv): Tighten constraints.
1585 (*tbit_and_2): Ditto.
1586 (*tbit_and_3): Ditto.
1587 (*tbit_or_2): Ditto.
1588 (*tbit_or_3): Ditto.
1592 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1595 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1597 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1599 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1600 loop_optimizer_init and loop_optimizer_finalize
1601 * tree-ssa-sink.c (execute_sink_code): Ditto.
1602 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1603 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1604 tree_ssa_loop_done): Ditto.
1605 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1606 * sched-ebb.c: Include output.h.
1607 (schedule_ebbs): Do not use dump argument.
1608 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1609 * loop.c (loop_dump_stream): Removed.
1610 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1612 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1613 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1614 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1615 loop_iterations, strength_reduce, record_biv, record_giv,
1616 final_giv_value, check_final_value, check_ext_dependent_givs,
1617 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1618 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1619 dump_file instead of loop_dump_stream.
1620 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1622 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1624 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1625 * haifa-sched.c: Include output.h
1626 (schedule_insns, sched_init): Do not use dump argument.
1627 * mode-switching.c (optimize_mode_switching): Ditto.
1628 * modulo-sched.c (stats_file): Removed.
1629 (print_node_sched_params): Do not call argument dump_file.
1630 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1631 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1633 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1635 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1636 rtl_loop_init, rtl_loop_done): Ditto.
1637 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1638 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1640 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1641 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1642 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1643 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1644 * emit-rtl.c (renumber_insns): Ditto.
1645 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1646 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1647 * regclass.c (regclass): Ditto.
1648 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1649 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1650 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1651 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1653 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1654 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1656 * gcse.c (gcse_file, debug_stderr): Removed.
1657 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1658 rest_of_handle_gcse): Do not use dump argument.
1659 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1660 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1661 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1662 compute_code_hoist_vbeinout, compute_code_hoist_data,
1663 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1664 compute_store_table, build_store_vectors, insert_insn_start_bb,
1665 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1666 store_motion): Use dump_file instead of gcse_file.
1667 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1668 * profile.c (profile_dump_file): Removed.
1669 (branch_prob): Use dump_file instead of profile_dump_file.
1670 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1672 * tree-ssa-copy.c (dump_copy_of): Ditto.
1673 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1674 dump file to life_analysis.
1675 * bt-load.c (branch_target_load_optimize): Ditto.
1676 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1678 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1679 regclass, dbr_schedule): Declaration changed.
1680 * sched-int.h (sched_init): Declaration changed.
1681 * tree-profile.c (tree_profile_dump_file): Removed.
1682 (tree_profile_hooks): Removed profile_dump_file hook.
1683 * rtl-profile (rtl_profile_dump_file): Removed.
1684 (rtl_profile_hooks): emoved profile_dump_file hook.
1685 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1687 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1688 * tree-cfg.c (build_tree_cfg): Ditto.
1689 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1690 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1691 Declaration changed.
1692 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1693 life_analysis and schedule_insns.
1694 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1696 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1698 * config/mips/mips.c (mips_reorg): Ditto.
1699 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1702 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1704 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1705 (s390_mangle_fundamental_type): New.
1706 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1709 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1710 (alpha_mangle_fundamental_type): New.
1711 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1714 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1716 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1718 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1719 (sparc_mangle_fundamental_type): New.
1721 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1723 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1724 (s390x-*-linux*): Likewise.
1725 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1726 * config/s390/t-linux: New file.
1728 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1730 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1731 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1733 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1735 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1736 (ANTIC_SAFE_LOADS): New macro.
1737 (find_or_generate_expression): Add prototype.
1738 (set_contains_value): Allow null set for sake of not always having
1739 to allocate ANTIC_SAFE_LOADS.
1740 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1741 Allow COMPONENT_REF too.
1742 (valid_in_set): Allow COMPONENT_REF.
1743 Check ANTIC_SAFE_LOADS too.
1744 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1745 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1747 (can_PRE_operation): Add COMPONENT_REF.
1748 (create_component_ref_by_pieces): New function.
1749 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1750 (insert_aux): Move AGGREGATE_TYPE_P check here.
1751 (compute_avail): Set bb local stmt uids.
1752 (pass_pre): Use TODO_update_ssa_only_virtuals.
1754 2006-02-06 Ben Elliston <bje@au.ibm.com>
1756 * configure.ac: Unconditionally disable decimal float by default.
1757 * configure: Regenerate.
1759 2006-02-06 Ben Elliston <bje@au.ibm.com>
1761 * read-rtl.c (read_name): Terminate reading on EOF.
1763 2006-02-06 Ben Elliston <bje@au.ibm.com>
1765 * dfp.c (decimal_real_arithmetic): Change second argument type
1766 from int to enum tree_code. Do not always return true, but now
1767 return result of any call to decimal_do helper functions.
1768 * dfp.h (decimal_real_arithmetic): Update prototype.
1770 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1772 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1774 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1777 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1780 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1782 * tree-vrp.c (cfg_loops): Removed.
1783 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1784 Use current_loops instead of cfg_loops. Pass flags to
1785 loop_optimizer_init.
1786 * cfgloopmanip.c (fix_loop_structure): Update only available
1788 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1789 loop_optimizer_init.
1790 * modulo-sched.c (build_loops_structure): Removed.
1791 (sms_schedule): Use loop_optimizer_init.
1792 * loop-init.c (loop_optimizer_init): Use flags to determine
1793 which properties of loops to prepare.
1794 (rtl_loop_init): Pass flags to loop_optimizer_init.
1795 * tree-ssa-sink.c (execute_sink_code): Ditto.
1796 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1797 * tree-ssa-pre.c (init_pre): Ditto.
1798 * cfgloop.h (LOOPS_NORMAL): New.
1799 (loop_optimizer_init): Declaration changed.
1801 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1803 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1804 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1806 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1808 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1810 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1811 * pa/t-pa64: Delete quadlib.c rule.
1812 * pa/x-ada: Revert last change.
1813 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1815 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1817 PR rtl-optimization/26087
1818 * rtlanal.c (canonicalize_condition): Do not cross basic block
1821 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1824 * config/ia64/ia64.c: Include debug.h.
1825 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1826 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1827 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1828 (process_epilogue, process_set, process_for_unwind_directive):
1829 Output unwind info only if requested. Add CFA info if requested.
1830 Add new arguments as needed. Adjust callers.
1831 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1833 (DWARF2_FRAME_INFO): Define to zero.
1834 * config/ia64/unwind-ia64.c: Remove code that compensated for
1835 the CFA offset error fixed above.
1836 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1837 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1838 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1839 -funwind-tables and -fexceptions to enable frame info.
1840 (dwarf2out_frame_init): Define initial CFA even if
1841 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1842 DWARF2_UNWIND_INFO is nonzero, not just defined.
1843 (dwarf2out_frame_finish): Output non-EH call frame info only
1844 if DWARF2_FRAME_INFO is nonzero.
1845 (convert_cfa_to_loc_list,
1846 compute_frame_pointer_to_cfa_displacement): Define even if
1847 unwind info is not supported.
1848 (gen_subprogram_die): Use the above unconditionally. Remove
1849 legacy alternate code.
1850 * toplev.c (compile_file): Compile in call to
1851 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1852 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1854 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1855 Jakub Jelinek <jakub@redhat.com>
1857 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1858 IBM extended float format long double as "g" on powerpc*-linux.
1860 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1863 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1864 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1866 2006-02-03 Jason Merrill <jason@redhat.com>
1869 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1872 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1873 on the return slot if it's an NRV.
1875 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1877 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1878 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1879 rewrite_use): Do not handle USE_OUTER.
1880 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1881 add_iv_outer_candidates, may_replace_final_value,
1882 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1883 (find_interesting_uses_op): Functionality of
1884 find_interesting_uses_outer_or_nonlin moved here.
1885 (find_interesting_uses_outside): Use find_interesting_uses_op.
1887 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1890 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1892 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1893 Ulrich Weigand <uweigand@de.ibm.com>
1896 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1897 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1898 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1899 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1901 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1902 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1903 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1904 Define secondary reloads for TFmode moves.
1905 (constant_modes): Add TFmode.
1906 (NR_C_MODES): Set to 8.
1907 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1909 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1910 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1911 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1912 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1913 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1914 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1915 (FPR mode macro): Add TFmode.
1916 (DSF mode macro): New.
1917 (<de>, <dee> mode attributes): Removed.
1918 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1919 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1920 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1921 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1922 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1923 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1924 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1925 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1926 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1927 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1928 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1929 "*negabs<mode>2", "sqrt<mode>2"):
1930 Changed <de> to <xde>. R constraint replaced by <Rf>.
1931 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1933 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1934 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1935 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1937 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1938 "extenddftf2", "extendsftf2"): New expanders.
1939 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1940 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1941 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1942 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1944 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1945 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1946 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1947 __floatditf): Add a GCC_4.1.0 symbol version tag.
1948 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1951 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1954 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1955 Use targetm.binds_local_p instead of TREE_PUBLIC.
1957 2006-02-02 Roger Sayle <roger@eyesopen.com>
1959 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1960 on INTEGER_TYPEs to indicate that it denotes a character type.
1961 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1962 signed_char_type_node, unsigned_char_type_node and char_type_node.
1963 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1964 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1965 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1967 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1968 Daniel Berlin <dberlin@dberlin.org>
1970 * tree-tailcall.c (arg_needs_copy_p): New function.
1971 (eliminate_tail_call): Use arg_needs_copy_p.
1972 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1973 (add_virtual_phis): New function.
1975 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1977 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1978 #ignore instead of #scratch for %g7 .register directive.
1980 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1982 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1985 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1987 * flow.c (calculate_global_regs_live): Assert that there aren't any
1990 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1992 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1994 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1995 bsi_after_labels iterator.
1996 * tree-if-conv.c (find_phi_replacement_condition,
1997 replace_phi_with_cond_modify_expr): Likewise.
1998 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1999 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2001 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2003 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2005 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2008 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2009 array after growing it.
2011 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2014 * fold-const.c (fold_checksum_tree): Change type of buf.
2016 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2018 * reload.c (push_secondary_reload): Initialize t_icode.
2020 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2022 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2023 -msoft-float -mlong-double-128 only issue a warning, but don't
2024 swich to DFmode long double.
2026 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2028 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2029 has a constant equivalent, iterate over equivalents for arg0,
2030 calling simplify_relational_operation and if there's a result
2031 cheaper than X, apply fold_rtx and return the result.
2033 2006-02-01 Jan Hubicka <jh@suse.cz>
2035 * opts.c (no_unit_at_a_time_default): New global variable.
2036 (decode_options): Use it.
2037 * opts.h (no_unit_at_a_time_default): Declare.
2039 2006-02-01 Paul Brook <paul@codesourcery.com>
2041 * function.c (assign_parm_setup_reg): Use function argument promotion
2043 * expr.c (expand_expr_real_1): Use function argument promotion rules
2046 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2048 * gcc.c (process_command): Change j to 'unsigned int'.
2050 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2053 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2054 Use the corrected index for the character
2055 out of the string constant.
2057 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2059 * mode-switching.c (optimize_mode_switching): Fix size
2060 allocated for bb_info[n_entities].
2062 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2064 * gcc.c (main): Correct type that is allocated for
2065 explicit_link_files.
2067 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2069 * config/s390/s390.c (init_alignment_context): Set
2070 ALIAS_SET_MEMORY_BARRIER on the MEM.
2071 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2073 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2076 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2078 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2081 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2083 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2084 * regrename.c: Ditto.
2085 * tree-ssa-loop-im.c: Ditto.
2086 * tree-dump.c: Ditto.
2087 * tree-complex.c: Ditto.
2088 * genrecog.c: Ditto.
2089 * tree-ssa-threadupdate.c: Ditto.
2091 * java/class.c: Ditto.
2092 * java/jcf-parse.c: Ditto.
2093 * java/resource.c: Ditto.
2094 * java/except.c: Ditto.
2095 * java/jvspec.c: Ditto.
2096 * java/jcf-write.c: Ditto.
2097 * java/jcf-path.c: Ditto.
2098 * java/gjavah.c: Ditto.
2099 * java/zextract.c: Ditto.
2100 * java/jcf-io.c: Ditto.
2101 * java/jcf.h: Ditto.
2102 * java/buffer.c: Ditto.
2103 * java/lang.c: Ditto.
2104 * java/parse-scan.y: Ditto.
2105 * java/lex.c: Ditto.
2106 * java/lex.h: Ditto.
2107 * cfgloopmanip.c: Ditto.
2108 * postreload-gcse.c: Ditto.
2109 * tree-ssa-loop-manip.c: Ditto.
2110 * postreload.c: Ditto.
2111 * tree-ssa-loop-ch.c: Ditto.
2115 * diagnostic.c: Ditto.
2117 * genoutput.c: Ditto.
2119 * cfghooks.c: Ditto.
2120 * cfgloopanal.c: Ditto.
2121 * objc/objc-act.c: Ditto.
2123 * genextract.c: Ditto.
2124 * genautomata.c: Ditto.
2125 * pretty-print.c: Ditto.
2127 * cgraphunit.c: Ditto.
2130 * haifa-sched.c: Ditto.
2131 * dominance.c: Ditto.
2133 * tree-ssa-loop-ivopts.c: Ditto.
2135 * mode-switching.c: Ditto.
2136 * modulo-sched.c: Ditto.
2138 * ipa-pure-const.c: Ditto.
2140 * fix-header.c: Ditto.
2142 * tree-stdarg.c: Ditto.
2143 * ipa-utils.c: Ditto.
2144 * loop-init.c: Ditto.
2145 * ipa-inline.c: Ditto.
2148 * alloc-pool.c: Ditto.
2149 * dwarf2out.c: Ditto.
2151 * genattrtab.c: Ditto.
2152 * tree-ssa-loop-ivcanon.c: Ditto.
2156 * fortran/gfortranspec.c: Ditto.
2158 * local-alloc.c: Ditto.
2159 * langhooks.c: Ditto.
2160 * function.c: Ditto.
2161 * tree-vectorizer.c: Ditto.
2163 * ipa-type-escape.c: Ditto.
2165 * tree-if-conv.c: Ditto.
2168 * tree-data-ref.c: Ditto.
2169 * loop-unroll.c: Ditto.
2170 * treelang/treetree.c: Ditto.
2173 * ggc-common.c: Ditto.
2175 * coverage.c: Ditto.
2177 * tree-cfgcleanup.c: Ditto.
2178 * tree-ssa-pre.c: Ditto.
2179 * cfgcleanup.c: Ditto.
2180 * loop-invariant.c: Ditto.
2182 * ipa-prop.c: Ditto.
2183 * print-tree.c: Ditto.
2184 * conflict.c: Ditto.
2185 * ggc-page.c: Ditto.
2186 * sched-deps.c: Ditto.
2187 * regclass.c: Ditto.
2188 * tree-object-size.c: Ditto.
2190 * bb-reorder.c: Ditto.
2191 * resource.c: Ditto.
2192 * var-tracking.c: Ditto.
2194 * df-problems.c: Ditto.
2195 * reg-stack.c: Ditto.
2198 * sched-rgn.c: Ditto.
2199 * tree-ssa-structalias.c: Ditto.
2200 * tree-ssa-reassoc.c: Ditto.
2201 * config/darwin-c.c: Ditto.
2202 * config/darwin.c: Ditto.
2203 * config/arm/arm.c: Ditto.
2205 * collect2.c: Ditto.
2208 2006-01-31 Nicolas Pitre <nico@cam.org>
2210 * arm.md (smaxsi3): Make aware of smax_m1.
2213 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2215 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2217 2006-01-31 Richard Guenther <rguenther@suse.de>
2219 * doc/invoke.texi (-msselibm): Document.
2220 * target.h (expand_library_builtin): New target hook.
2221 * builtins.c (expand_builtin): Use expand_library_builtin.
2222 (default_expand_library_builtin): New function.
2223 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2224 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2225 (link_gcc_math_spec): Declare.
2226 (static_specs): Add link_gcc_math_spec.
2227 * expr.h (default_expand_library_builtin): Declare.
2228 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2229 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2230 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2231 * config/i386/i386.opt (msselibm): New target option.
2232 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2233 (ix86_init_sse_abi_builtins): New function.
2234 (ix86_expand_library_builtin): Likewise.
2235 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2236 (override_options): Handle error conditions wrt -msselibm.
2237 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2238 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2239 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2242 2006-01-31 Richard Guenther <rguenther@suse.de>
2243 Paolo Bonzini <bonzini@gnu.org>
2245 * doc/install.texi (--disable-libgcc-math): Document.
2247 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2249 * expr.h (expand_normal): new inline function.
2250 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2252 * dwarf2out.c: use it.
2257 * config/sparc/sparc.c: use it.
2258 * config/i386/i386.c: use it.
2259 * config/rs6000/rs6000.c: use it.
2260 * config/arm/arm.c: use it.
2261 * config/mips/mips.c: use it.
2262 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2264 2006-01-30 Roger Sayle <roger@eyesopen.com>
2266 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2267 argv to the appropriate type.
2269 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2271 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2274 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2277 * config/s390/s390.c (struct machine_function): New flag
2278 decomposed_literal_pool_addresses_ok_p.
2279 (s390_reorg): Set it before final stage of literal pool transforms.
2280 (s390_decompose_address): Only accept displacements of the form
2281 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2283 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2285 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2286 the comparison routine return.
2288 2006-01-30 Michael Matz <matz@suse.de>
2290 * global.c (find_reg): Only evict for global regs.
2291 Take n_refs into account and dump more info.
2293 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2296 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2297 (pragma_trap, pragma_nosave_low_regs): Likewise.
2298 (current_function_anonymous_args): Likewise.
2299 (sh_deferred_function_attributes): New variable.
2300 (sh_deferred_function_attributes_tail): Likewise.
2301 (print_operand): For '@', look up trap_exit attribute.
2302 (calc_live_regs): Look up trapa_handler attribute. For trapa
2303 handlers, save/restore fpscr, but don't do any other
2304 interrupt-specific saves.
2305 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2306 Fix check for partially saved registers to check for SHmedia.
2307 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2308 (sh_output_function_epilogue): Don't clear any of the removed
2310 (sh_insert_attributes): Don't check pragma_interrupt.
2311 Insert deferred attributes. Check that interrupt attribute is
2312 present for other attributes that require its presence.
2313 (sh_attribute_table): Add new attributes trapa_handler and
2315 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2316 Don't check for pragma_interrupt. Don't store argument.
2317 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2318 (sh_deferred_function_attributes): Declare.
2319 (sh_deferred_function_attributes_tail): Likewise.
2320 * sh.md (sp_switch_1): Add operand. Change generator caller.
2321 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2322 (*return_i): Don't use when trap_exit attribute is in effect.
2323 (*return_trapa): New insn pattern.
2325 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2326 setting c_target_objs and cxx_target_objs.
2327 * t-sh: Add rule for sh-c.o.
2329 2006-01-30 Richard Guenther <rguenther@suse.de>
2332 * gimplify.c (gimplify_target_expr): Handle easy cases
2333 without creating a temporary.
2335 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2337 * vec.h (safe_grow): Remove duplicated line.
2339 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2342 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2343 (expand_omp): ... here.
2344 (expand_omp_parallel): Only remove barriers for combined
2345 parallel+workshare constructs.
2347 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2351 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2352 * tree.c (build_qualified_type): Chain the new type to the original
2353 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2354 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2355 (build_pointer_type_for_mode): Only return unqualified types.
2356 (build_reference_type_for_mode): Likewise.
2358 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2360 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2361 * Makefile.in (CXX_COMPAT_WARN): Define.
2362 * configure: Regenerate.
2364 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2367 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2370 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2372 * toplev.c: Fix thinko.
2374 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2375 Marcin Dalecki <martin@dalecki.de>
2377 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2378 (push_srcloc): Use XNEW.
2379 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2381 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2383 * df-core.c (df_set_blocks): Deleted all variable.
2385 2006-01-28 Ian Lance Taylor <ian@airs.com>
2387 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2388 cgraph_output_pending_asms.
2390 2006-01-28 Zack Weinberg <zackw@panix.com>
2392 * c.opt: Add -W(no-)overlength-strings.
2393 * doc/invoke.texi: Document it.
2394 * c-opts.c (c_common_handle_option): -pedantic implies
2395 -Woverlength-strings, if not explicitly disabled already.
2396 (c_common_post_options): -Woverlength-strings defaults to off, and
2397 is always off for C++.
2398 * c-common.c (fix_string_type): Issue warning about strings longer
2399 than is portable only if warn_overlength_strings. Rearrange code
2400 a little for clarity.
2401 * configure.in: Check for -Wno-overlength-strings as well before
2402 enabling -pedantic in stage 1.
2403 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2404 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2406 * genconditions.c (write_header, write_one_condition)
2407 (write_conditions, write_writer): Consolidate very long strings
2408 that were broken up to fit in C89 portable limit. Don't use
2409 printf when fputs will do.
2411 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2413 * combine.c (simplify_comparison <AND>): Check
2414 TRULY_NOOP_TRUNCATION before start using a subreg.
2416 * config/mips/mips.md (*branch_zero<mode>,
2417 *branch_zero<mode>_inverted, *branch_equality<mode>,
2418 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2419 Remove mode check from comparisons.
2421 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2423 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2425 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2427 * expmed.c (const_mult_add_overflow_p): Remove.
2428 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2430 * recog.c (validate_replace_rtx_subexp): Remove.
2431 * recog.h: Remove the prototype for
2432 validate_replace_rtx_subexp.
2434 * integrate.h: Remove the prototype for
2435 copy_decl_for_inlining.
2436 * rtl.h: Remove the prototype for mark_constant_function.
2437 * tree-vectorizer.h: Remove the prototype for
2438 vect_strip_conversion.
2440 * modulo-sched.c (create_partial_schedule,
2441 free_partial_schedule, reset_partial_schedule): Make them
2444 * hooks.c (hook_bool_rtx_int_false): Remove.
2445 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2447 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2449 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2450 and -mlong-double-128 are incompatible.
2451 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2452 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2453 (TARGET_LIBGCC2_CFLAGS): Define.
2454 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2455 (TARGET_LIBGCC2_CFLAGS): Same.
2456 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2458 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2461 * c-typeck.c (build_binary_op): Perform implicit casts of
2462 operands before shortening them.
2464 * cfgloopmanip.c (split_loop_bb): Remove.
2465 * cfgloop.h: Remove the prototype for split_loop_bb.
2467 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2468 * cfgloop.h: Remove the prototype for
2469 flow_loop_outside_edge_p.
2471 * emit-rtl.c (init_virtual_regs): Make it static.
2472 * function.h: Remove the prototype for init_virtual_regs.
2474 * recog.c (peephole2_optimize): Make it static.
2475 * recog.h: Remove the prototype for peephole2_optimize.
2477 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2479 * df-scan.c (df_record_entry_block_defs): Check if
2480 INCOMING_RETURN_ADDR_RTX is defined.
2482 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2483 Kenneth Zadeck <zadeck@naturalbridge.com>
2485 PR rtl-optimization/24762
2486 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2487 * targhooks.c (hook_void_bitmap): New hook prototype.
2488 * targhoohs.h (hook_void_bitmap): Ditto.
2489 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2490 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2491 * target.h (live_on_entry): New function pointer.
2492 * df-scan.c (df_all_hard_regs): Removed.
2493 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2494 (df_scan_free_internal): Added df->entry_block_defs.
2495 (df_scan_alloc): Ditto.
2496 (df_scan_dump): Ditto.
2497 (df_uses_record): Plumbed flag field properly thru calls.
2498 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2499 This part fixes PR24762.
2500 (df_bb_refs_record): Added code to make the frame and arg
2501 pointers live in EH blocks.
2502 (df_refs_record): Added call to df_record_entry_block_defs.
2503 (df_record_entry_block_defs): New function.
2504 * df-core.c: Added comments to describe new artifical defs.
2505 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2506 (entry_block_defs): New field in struct df.
2507 (df_all_hard_regs): Deleted.
2508 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2509 * df-problems.c (df_ru_bb_local_compute_process_def):
2510 Added code to handle artifical defs in the entry to a function.
2511 (df_ru_bb_local_compute): Ditto.
2512 (df_rd_bb_local_compute_process_def): Ditto.
2513 (df_rd_bb_local_compute): Ditto.
2514 (df_lr_bb_local_compute): Ditto.
2515 (df_ur_bb_local_compute): Ditto.
2516 (df_urec_bb_local_compute): Ditto.
2517 (df_chain_create_bb): Ditto.
2518 (df_ur_local_finalize): Removed entry.
2519 (df_urec_init): Ditto.
2520 (df_urec_local_finalize): Ditto.
2521 (df_ri_bb_compute): Added detection of last use of pseudos.
2522 * Makefile.in (df-scan.o): Updated dependencies.
2523 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2524 * config/mips/mips.c (mips_set_live_on_entry): Added.
2525 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2527 * dce.c (marked_insn_p): Added code to handle artifical defs.
2529 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2531 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2533 (_mm_cvtsi128_si64): Likewise.
2534 (_mm_cvtsd_si64): Likewise.
2535 (_mm_cvttsd_si64): Likewise.
2536 (_mm_cvtsi64_sd): Likewise.
2537 (_mm_cvtsi64_si128): Likewise.
2538 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2539 (_mm_cvtsi64_m64): Likewise.
2540 (_m_to_int64): Likewise.
2541 (_mm_cvtm64_si64): Likewise.
2542 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2543 (_mm_cvttss_si64): Likewise.
2544 (_mm_cvtsi64_ss): Likewise.
2545 (_mm_cvtss_f32): Likewise.
2547 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2549 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2550 for pragma redefine_extname.
2552 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2555 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2556 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2557 -mno-minimal-toc to previous content.
2558 (bispecs): Remove goal.
2559 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2560 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2561 compatibility aliases on powerpc-*-*gnu*.
2562 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2563 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2564 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2565 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2566 (ldblspecs): New goal.
2567 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2568 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2570 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2571 L_sf_to_tf or L_df_to_tf is defined.
2573 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2574 Alan Modra <amodra@bigpond.net.au>
2577 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2578 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2579 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2580 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2581 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2582 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2583 (rs6000_override_options): Initialize rs6000_ieeequad.
2584 Initialize TFmode format to ibm_extended_format if not
2586 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2588 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2589 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2590 (function_arg_advance): IBM long double passed in two FPRs, not
2592 (function_arg): IBM long double passed in FPRs.
2593 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2594 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2595 Only multireg GPR aligned.
2596 (rs6000_init_libfuncs): Enable IBM long double functions if not
2598 (rs6000_generate_compare): Use IBM long double compare if not
2600 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2601 (TARGET_IEEEQUAD): Define.
2602 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2603 not TARGET_IEEEQUAD.
2604 * config/rs6000/rs6000.md: Enable TFmode patterns if
2606 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2607 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2608 and -mlong-double-128 are incompatible.
2609 * doc/invoke.texi (-mabi): Collect options together. Add
2610 ibmlongdouble and ieeelongdouble.
2612 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2614 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2616 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2617 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2618 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2619 * rtl.h (rtunion_def): Remove rt_ptr.
2621 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2622 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2623 * config/i386/winnt.c (i386_pe_mark_dllexport)
2624 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2626 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2628 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2630 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2634 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2635 pthread_key_delete. From John David Anglin. gthrw-ify
2636 pthread_getunique_np only if it it's not a macro. Delete
2638 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2639 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2640 __gthread_objc_condition_signal, __gthread_key_delete): Add
2641 "__attribute__ ((__unused__))" to unused arguments.
2642 (__gthread_recursive_mutex_init_function): Add missing return.
2643 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2644 gthr-posix95.h: Use macro-based approach for name redirection
2645 on targets missing weakref.
2647 2006-01-26 Zack Weinberg <zackw@panix.com>
2649 * genconditions.c (write_header): In generated code, #ifdef out
2650 all includes and fake declarations, except includes of bconfig.h
2651 and system.h, unless GCC_VERSION >= 3001. Do not include
2652 gensupport.h in any case.
2653 (write_conditions): Generate a definition of struct c_test. Add
2654 a comment to the generated #endif.
2655 (write_one_condition): Escape backslashes in string too.
2656 (write_writer): Generated code must escape backslashes and quote
2657 marks (but not newlines) in the strings it writes.
2658 * Makefile.in (build/gencondmd.o): Update dependencies.
2660 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2663 * Makefile.in (insn-automata.o): Add header file dependencies.
2664 * genautomata.c: Add includes.
2666 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2669 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2671 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2673 * configure.ac: Expect target tools paths to be passed from the toplevel
2674 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2676 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2678 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2681 * c.opt (Wpointer-sign): Init to -1.
2682 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2683 OPT_pedantic, to 0 otherwise.
2684 * doc/invoke.texi: Update.
2686 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2688 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2689 constants provided by 80387 instructions in the destination mode.
2691 2006-01-26 Richard Guenther <rguenther@suse.de>
2692 Andrew Pinski <pinskia@physics.uc.edu>
2695 partial PR tree-opt/17064
2696 * tree-ssa-structalias.c (intra_create_variable_infos):
2697 Create heap variables for incoming parameters if
2698 flag_argument_noalias > 1.
2699 (find_what_p_points_to): Look through default defs of
2702 2006-01-26 Jeff Law <law@redhat.com>
2705 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2706 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2707 within the VR_RANGE, use the VR_RANGE as the result, not the
2709 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2710 bounds for the type.
2712 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2714 * tree-ssa-alias.c (maybe_create_global_var): Change
2715 subvar walking to an assertion that we don't have subvar'd variables.
2717 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2720 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2721 Use a new variable, inner. PARM_DECLs are always non-weak.
2723 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2725 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2728 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2730 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2732 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2734 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2735 (smax_insn, smin_insn, smax_0, smin_0): New.
2737 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2740 * config/cris/cris.c (cris_order_for_addsi3): New function.
2741 * config/cris/cris-protos.h: Prototype it.
2742 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2743 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2744 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2745 (split for "op.S1 [rx=rx+i],ry (swapped)")
2746 (split for "op(s|u).S1 [rx=rx+i],ry")
2747 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2748 Apply cris_order_for_addsi3 when generating addsi3 insns.
2750 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2752 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2753 (TREE_BLOCK): Add call to EXPR_CHECK.
2755 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2758 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2759 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2760 (dump_omp_clauses): ... here.
2761 (dump_generic_node): Handle OMP_CLAUSE.
2762 * tree.c (omp_clause_num_ops): New.
2763 (omp_clause_code_name): New.
2764 (tree_code_size): Handle OMP_CLAUSE.
2765 (tree_size): Likewise.
2766 (make_node): Document handling of OMP_CLAUSE.
2767 (tree_node_structure): Handle OMP_CLAUSE.
2768 (omp_clause_check_failed): New.
2769 (omp_clause_range_check_failed): New.
2770 (omp_clause_operand_check_failed): New.
2771 (build_omp_clause): New.
2772 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2773 * tree.h (enum omp_clause_code): Declare.
2774 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2775 (OMP_CLAUSE_RANGE_CHECK): Define.
2776 (OMP_CLAUSE_ELT_CHECK): Define.
2777 (omp_clause_check_failed): Declare.
2778 (omp_clause_operand_check_failed): Declare.
2779 (omp_clause_range_check_failed): Declare.
2780 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2781 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2782 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2783 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2784 (OMP_CLAUSE_IF_EXPR): Likewise.
2785 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2786 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2787 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2788 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2789 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2790 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2791 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2792 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2793 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2794 (OMP_CLAUSE_CODE): Define.
2795 (OMP_CLAUSE_SET_CODE): Define.
2796 (OMP_CLAUSE_CODE): Define.
2797 (OMP_CLAUSE_OPERAND): Define.
2798 (struct tree_omp_clause): Declare.
2799 (union tree_node): Add field 'omp_clause'.
2800 * treestruct.def (TS_OMP_CLAUSE): Define.
2801 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2802 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2803 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2804 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2805 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2806 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2807 (OMP_CLAUSE): Define.
2808 * print-tree.c (print_node): Handle OMP_CLAUSE.
2809 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2810 * c-typeck.c: Likewise.
2811 * gimplify.c: Likewise.
2812 * c-omp.c: Likewise.
2813 * tree-nested.c: Likewise.
2814 * tree-inline.c: Likewise.
2815 * c-parser.c: Likewise.
2816 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2819 2006-01-25 Roger Sayle <roger@eyesopen.com>
2821 PR rtl-optimization/25703
2822 * combine.c (try_combine): Handle zero_extract and strict_low_part
2823 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2825 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2827 * global.c: Fix comment typos.
2829 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2832 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2833 Use output_addr_const instead of assemble_name.
2835 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2837 * Makefile.in (sched-vis.o): Update dependencies.
2838 * haifa-sched.c (sched_finish): Clear current_sched_info.
2839 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2840 (dump_flow_info): Call it.
2841 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2843 * basic-block.h (dump_bb_info): Declare.
2844 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2845 option, and apply options only for dump files whose TDF_RTL,
2846 TDF_TREE, or TDF_IPA bits match.
2847 * rtl.h: Declare new functions exported from sched-vis.c.
2848 * sched-vis.c: Enable also if scheduling is not used.
2849 (print_value): Print the mode of registers if not inside scheduling.
2850 (print_insn): Make it work outside the scheduler. Beautify the output
2852 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2854 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2856 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2857 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2858 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2859 depending on the value of CONSTANT_POOL_ADDRESS_P.
2860 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2862 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2863 rather than SYMBOL_REF_DECL.
2864 (rtx_constant_pool): Remove const_rtx_sym_htab.
2865 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2866 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2867 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2868 Remove handling of const_rtx_sym_htab.
2869 (find_pool_constant): Delete.
2870 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2871 rather than find_pool_constant.
2872 (get_pool_constant_for_function): Delete.
2873 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2875 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2876 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2877 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2878 (SYMBOL_REF_CONSTANT): New macro.
2879 (get_pool_constant_for_function): Delete.
2880 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2881 rather than SYMBOL_REF_DECL.
2882 (i386_pe_mark_dllimport): Likewise.
2883 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2884 rather than SYMBOL_REF_DECL.
2885 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2886 (machopic_indirect_call_target): Likewise.
2888 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2890 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2892 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2894 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2896 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2898 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2900 2006-01-24 David Daney <ddaney@avtrex.com>
2903 * configure.ac (enable_tls): New enable option.
2904 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2905 * configure: Regenerate.
2906 * doc/install.texi (--enable-tls): Document new option.
2907 (--disable-tls): Ditto.
2909 2006-01-24 Richard Henderson <rth@redehat.com>
2911 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2912 * alias.c (true_dependence): Respect it.
2913 (canon_true_dependence, write_dependence_p): Likewise.
2914 * builtins.c (get_builtin_sync_mem): Set it.
2916 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2918 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2921 2006-01-24 DJ Delorie <dj@redhat.com>
2923 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2924 for storing constants in single-bit bitfields.
2926 2006-01-25 Ben Elliston <bje@au.ibm.com>
2928 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2930 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2933 * tree-ssa-pre.c (phi_translate): Return NULL
2934 for AGGREGATE_TYPE's.
2936 2006-01-24 Zack Weinberg <zackw@panix.com>
2938 * genautomata.c (process_state_for_insn_equiv_partition):
2939 Use xcalloc for insn_arcs_array.
2940 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2941 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2943 2006-01-24 Richard Henderson <rth@redhat.com>
2945 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2948 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2950 PR rtl-optimization/25890
2951 PR rtl-optimization/25905
2952 * combine.c (expand_compound_operation, expand_field_assignment):
2953 Fail if the bitfield's final position is out of bounds.
2955 2006-01-24 Ian Lance Taylor <ian@airs.com>
2958 * cgraphunit.c (cgraph_output_in_order): Don't clear
2959 cgraph_asm_nodes until after asm strings have been output.
2961 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2963 * fix-header.c (read_scan_file): Add new parameter imultilib when
2964 calling register_include_chains.
2966 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2968 * omp-low.c: Update documentation.
2970 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2971 Daniel Berlin <dberlin@dberlin.org>
2975 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2976 return from the function.
2978 2006-01-22 Zack Weinberg <zackw@panix.com>
2980 * rtl.def (match_code): Add second argument.
2981 * genpreds.c (write_extract_subexp): New function.
2982 (write_match_code): Add path argument. Use write_extract_subexp.
2983 (write_predicate_expr): Pass path to write_match_code.
2984 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2985 not perform a mode test.
2986 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2987 a subexpression does not constrain the top-level code set.
2988 * read-rtl.c (read_rtx_variadic): New function.
2989 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2990 * doc/md.texi: Document new notation.
2991 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2992 (cmpsi_operand): ... here, using new notation.
2994 2006-01-22 Zack Weinberg <zackw@panix.com>
2996 * varray.c: Remove GENERATOR_FILE #ifdefs.
2998 2006-01-22 Zack Weinberg <zackw@panix.com>
3000 * genautomata.c (output_reserved_units_table): Emit nothing if
3001 description->query_units_num is zero. Remove extra blank line.
3002 (output_cpu_unit_reservation_p): Short circuit
3003 if description->query_units_num is zero.
3005 2006-01-22 Zack Weinberg <zackw@panix.com>
3007 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3008 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3009 nor any of the random handful of variables that used to be necessary
3010 when this program was linked with rtlanal.o. Prune set of forward
3011 function declarations.
3012 (struct attr_desc): Remove static_p field.
3013 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3014 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3015 (attr_string): Do not read the character one past the length of
3017 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3018 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3019 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3020 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3021 (make_automaton_attrs): New.
3022 (main): Do not call into genautomata. Call local gen_bypass
3023 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3024 Remove special case for insn_alts.
3025 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3026 varray.h (leftover from previous change). Prune set of forward
3027 function declarations. Remove state_alts fields from all
3028 structures. Remove state_alts_table from struct automaton.
3029 Make everything except main static. Do not maintain num_dfa_decls.
3030 Do not maintain state_alts fields of various structures.
3031 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3032 (add_arc): Remove state_alts argument. All callers updated.
3033 (output_reserved_units_table): Emit #ifdef here...
3034 (output_tables): ...not here. Don't generate state_alts tables.
3035 (expand_automata): Don't generate attributes.
3036 (write_automata): Don't generate state_alts functions.
3037 (main): New function.
3038 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3039 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3040 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3041 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3042 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3043 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3044 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3045 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3047 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3048 * genattrtab.h: Delete file.
3049 * Makefile.in (OBJS-common): Add insn-automata.o.
3050 (insn-automata.o): New rule.
3051 (simple_generated_c): Add insn-automata.c.
3052 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3053 (genprogmd): Add automata.
3054 (build/genattrtab): Needs no extra objects nor libraries.
3055 (build/genautomata): Needs build/vec.o and -lm.
3057 2006-01-22 Zack Weinberg <zackw@panix.com>
3059 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3060 (output_dfa_max_issue_rate, locked_states_num): Delete.
3061 (struct automaton): Add locked_states field.
3062 (output_dead_lock_vect): Save number of locked states in
3063 automaton->locked_states. If it is zero, don't print anything.
3064 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3065 (output_internal_dead_lock_func): Only test the dead_lock_vect
3066 for automata that have locked states.
3067 (output_statistics): Always print the number of locked states for
3068 each automaton. Calculate total number of locked states here.
3069 (write_automata): Don't call output_dfa_max_issue_rate.
3070 * genattrtab.c: Define length_unit_log as a const variable.
3071 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3072 max_insn_queue_index const.
3073 * final.c (length_unit_log): Declare const.
3074 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3076 2006-01-22 Zack Weinberg <zackw@panix.com>
3078 * genautomata.c: Include vec.h, not varray.h.
3079 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3080 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3081 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3082 VEC_* macros operating on appropriately typed vectors, or to
3083 malloced arrays when the size is known in advance. Const-ify
3084 many char* variables and function arguments. No functional changes.
3085 * Makefile.in (build/varray.o): Delete rule.
3086 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3087 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3089 2006-01-22 Zack Weinberg <zackw@panix.com>
3091 * gensupport.c: Define get_insn_name and record_insn_name here.
3092 (read_md_rtx): Call record_insn_name as appropriate.
3093 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3094 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3095 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3097 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3098 (BUILD_VARRAY): Delete.
3099 (genprognormal): Rename genprogmd. Fold in all programs from
3100 genprognoprint; also attrtab.
3101 (build/genattrtab): Just mention genautomata.o and varray.o.
3102 Reorganize a bit, add comments to make the categories clearer.
3104 2006-01-22 Zack Weinberg <zackw@panix.com>
3106 * genconditions.c (condition_table, add_condition): Delete.
3107 (write_conditions): Don't emit n_insn_conditions nor
3108 insn_elision_unavailable. Issue the gcc version #ifdef here,
3109 inside the table, with no #else clause ...
3110 (write_header): ...not here.
3111 (write_writer): New function.
3112 (main): Don't initialize condition_table. Use add_c_test.
3114 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3115 files on the command line.
3116 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3117 Return -1 if there is no entry in the table, don't abort.
3118 (add_c_test, traverse_c_tests): New functions.
3119 * gensupport.h (insn_elision_unavailable, insn_conditions)
3120 (n_insn_conditions): Delete declarations.
3121 (add_c_test, traverse_c_tests): Declare.
3122 * read-rtl.c: Include gensupport.h.
3123 (read_conditions): New function.
3124 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3125 (read_rtx_1): If we get EOF when we were looking for an initial
3126 open paren, return 0. Call read_conditions when appropriate.
3127 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3128 dummy-conditions.o. Eliminate references to insn-conditions.o,
3129 or change them to build/gencondmd.o, as appropriate. Remove
3130 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3131 from $(simple_generated_c). For all files remaining in those
3132 two lists, add insn-conditions.md to the generator command line.
3133 Give insn-constants.h/s-constants their own rules. Add rules
3134 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3135 (build/read-rtl.o): Depend on gensupport.h.
3136 (genprognormal): Include preds.
3137 (genprogearly): Rename genprognoprint; only difference is now that
3138 they don't link with $(BUILD_PRINT).
3139 * dummy-conditions.c: Delete.
3141 2006-01-22 Zack Weinberg <zackw@panix.com>
3143 * genextract.c: Don't include insn-config.h. Do include vec.h.
3144 Declare vectors of int, char, and locstr.
3145 (locstr): New typedef.
3146 (struct extraction): Make all array fields into bare pointers.
3147 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3148 (insn_code_number): Delete.
3149 (accum_extract): New struct.
3150 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3151 (gen_insn): Take insn_code_number as an argument. Use an
3152 accum_extract structure instead of loading data directly into
3153 a struct extraction, and having to know how big it might get.
3154 (walk_rtx): Operate entirely on an accum_extract structure.
3155 (print_path): Avoid unnecessary use of printf.
3156 (print_header): New function, split out of main. Distinguish
3157 more carefully between an unrecognizable insn and an insn that
3158 has the code number of a define_expand.
3159 (main): Pass insn_code_number to gen_insn. Call print_header
3160 only after parsing. Avoid unnecessary use of printf.
3161 * Makefile.in (build/vec.o): New rule.
3162 (build/genextract): Depend on build/vec.o.
3163 (build/genextract.o): Don't depend on insn-config.h.
3165 2006-01-22 Zack Weinberg <zackw@panix.com>
3167 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3168 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3169 practical. Eliminate per-generator-program link rules.
3171 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3174 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3175 with a call expr to ...
3176 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3178 2006-01-23 Richard Guenther <rguenther@suse.de>
3180 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3181 before make_edge with conditional EDGE_TRUE_VALUE.
3183 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3184 Jan Hubicka <jh@suse.cz>
3185 Richard Guenther <rguenther@suse.de>
3187 PR rtl-optimization/25654
3188 * cfgexpand.c (aggregate_contains_union_type): New function.
3189 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3190 for structure variables that contain a union type.
3192 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3194 * gengtype.c (new_structure): Return the structure.
3195 (create_option): Add an extra "next" argument.
3196 (create_field): New function.
3197 (adjust_field_rtx_def): Use create_option and create_field.
3198 Remove a now-unnecessary call to find_structure.
3199 (adjust_field_tree_def): Likewise.
3200 (note_yacc_type): Remove an unnecessary call to find_structure.
3201 * gengtype.h (new_structure): Return the structure.
3202 (create_option): Add an extra argument.
3203 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3204 (option): Adjust calls to create_option.
3206 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3208 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3210 2006-01-22 Paul Brook <paul@codesourcery.com>
3211 Peter Barada <peter@the-baradas.com>
3213 * config/m68k/m68k.md: Add Coldfire FPU support.
3214 Define FP mode macro and associated attributes.
3215 Use it for float mode patterns.
3216 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3217 (LIBCALL_VALUE): Use m68k_libcall_value.
3218 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3219 (m68k_function_value): Ditto.
3220 (emit_move_sequence): Ditto.
3221 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3222 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3223 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3224 (MULTILIB_EXCEPTIONS): Ditto.
3225 * config/m68k/m68k.opt: Add mcfv4e.
3226 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3227 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3228 (m68k_output_function_prologue): Save ColdFire FPU registers.
3229 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3230 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3231 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3232 ColdFire FPU registers.
3233 (m68k_libcall_value, m68k_function_value): New functions.
3234 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3235 (LIBCALL_VALUE): Use m68k_libcall_value.
3236 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3237 (MASK_COLDFIRE): Add MASK_CFV4E.
3238 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3239 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3240 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3241 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3242 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3243 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3244 * doc/invoke.tex: Document -mcfv4e on m68k.
3246 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3248 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3251 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3254 * c-opts.c (c_common_handle_option): Don't include
3255 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3256 * doc/invoke.texi (C++ Dialect Options): Document that
3257 -Wnon-virtual-dtor is no longer included in -Wall.
3259 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3261 * gcov.c (print_version), gcov-dump.c (print_version),
3262 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3265 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3267 * df-scan.c (problem_SCAN): Added NULL reset function.
3268 (df_scan_reset_blocks): Added code to call reset block function
3269 (df_bb_refs_delete) Fixed comment.
3270 (df_insn_refs_delete): Made tolerant of deleting non existent info
3271 for dataflow problems that need to be reset.
3272 * df-core.c (df_set_blocks): Ditto.
3273 * df.h (struct df_problem): Added reset_fun.
3274 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3275 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3276 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3277 functions to clear out all references to def-use or use-def chains.
3279 2006-01-21 Ben Elliston <bje@au.ibm.com>
3281 * varasm.c (assemble_real): Initialise data array.
3283 2006-01-20 Paul Brook <paul@codesourcery.com>
3285 Merge from csl-arm-branch.
3286 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3287 * config/arm/arm.md (movdi): Force operands[1] to a register
3288 if we have a non-register source.
3289 (*arm_movdi, *movdf_soft_insn): Require that one of the
3290 operands be a register.
3291 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3292 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3294 2006-01-20 DJ Delorie <dj@redhat.com>
3296 * varasm.c (initialize_constant_valid_p): Allow pointers
3297 initialized from integer constants of lesser precision.
3298 (output_constant): Allow non-int-sized pointer modes to be
3299 initialized from integer constants.
3301 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3304 * cppdefault.h (struct default_include): Add multilib flag.
3305 * cppdefault.c (cpp_include_defaults): Set it.
3306 * c.opt (-imultilib): New option.
3307 * c-opts.c (imultilib): New.
3308 (c_common_handle_option): Handle -imultilib.
3309 (c_common_post_options): Likewise.
3310 * c-incpath.c (add_standard_paths, register_include_chains):
3312 * c-incpath.h (register_include_chains): Add extra parameter.
3313 * gcc.c (do_spec_1): Generate -imultilib option.
3314 (The Specs Language): Update %I description.
3315 (process_command): Update copyright notice.
3316 * doc/cppopts.texi (-imultilib): Document.
3317 * doc/invoke.texi (-imultilib): Include in option summary.
3318 (%I): Update specs documentation.
3320 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3322 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3324 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3326 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3329 2006-01-20 Richard Guenther <rguenther@suse.de>
3330 Steven Bosscher <stevenb.gcc@gmail.com>
3332 PR rtl-optimization/24626
3333 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3334 EDGE_TRUE_VALUE if in RTL mode.
3337 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3338 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3340 2006-01-20 Dirk Mueller <dmueller@suse.com>
3343 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3344 instead of a special NOP marker.
3345 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3346 NOP marker handling.
3347 * c-common.h (empty_body_warning): Add forward declaration.
3348 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3349 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3351 2006-01-20 Paul Brook <paul@codesourcery.com>
3353 * Makefile.in (lang_checks): Keep going if mkdir fails.
3355 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3357 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3358 be able to clean out basic block when not necessary.
3359 (df_scan_free): Fixed to properly delete information if df is
3360 unused before calling df_finish.
3361 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3362 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3364 (df_bb_refs_delete): New function.
3365 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3366 * df-core.c (df_set_blocks): Added code to properly clean out
3367 unused blocks if they are not part of the blocks to consider.
3368 Added additional null check.
3369 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3370 be able to clean out basic block when not necessary
3371 * df.h (df_free_bb_function): Ditto.
3372 (df_bb_refs_delete): New function.
3373 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3374 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3375 basic block parameter to be able to clean out basic block when not
3377 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3378 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3379 Fixed to properly delete information if df is unused before
3382 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3384 PR rtl-optimization/25799
3385 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3386 Corrected confluence operator to remove bits from op2 before oring
3387 with op1 rather than removing bits from op1.
3388 (df_ru_transfer_function): Corrected test on wrong bitmap which
3389 caused infinite loop. Both of these problems were introduced in
3390 the dataflow rewrite.
3392 2006-01-19 DJ Delorie <dj@redhat.com>
3394 * reload1.c (find_reload_regs): Note the details of reload
3395 failures in the dump file.
3396 (spill_failure): Likewise.
3398 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3400 * loop-iv.c: Include df.h and hashtab.h.
3401 (enum iv_grd_result): New enum.
3402 (DF_REF_IV, DF_REF_IV_SET): New macros.
3403 (struct biv_entry): New.
3404 (df, bivs): New global variables.
3405 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3406 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3408 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3409 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3410 analyzed_for_bivness_p, record_biv): New functions.
3411 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3412 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3413 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3415 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3417 (iv_number_of_iterations): Use new interface to iv analysis.
3418 * loop-unroll.c: Do not include varray.h.
3419 (analyze_iv_to_split_insn): Use new interface to iv
3421 * loop-unswitch.c (may_unswitch_on): Ditto.
3422 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3424 (df_bb_modify): Realloc tables to the new index.
3425 (df_find_use): New function.
3426 * df.h (df_find_use): Declare.
3427 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3429 * cfgloop.h (struct rtx_iv): Remove analysed field.
3430 (iv_get_reaching_def): Removed.
3431 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3432 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3433 (loop-iv.o): Add df.h and hashtab.h dependency.
3434 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3436 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3439 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3441 (__floatundisf, __floatundidf): Likewise.
3442 * libgcc2.h (IS_IBM_EXTENDED): Define.
3444 2006-01-19 DJ Delorie <dj@redhat.com>
3446 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3448 2006-01-19 Paul Brook <paul@codesourcery.com>
3450 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3451 as nothrow when unwinding tables are disabled.
3453 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3456 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3457 of bit-field" when in system header.
3459 2006-01-19 DJ Delorie <dj@redhat.com>
3461 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3462 the 16 bit shift limit of the m16c.
3464 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3467 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3468 * config/i386/i386.c (output_set_got): Output the label if we have one
3469 for the TARGET_DEEP_BRANCH_PREDICTION case.
3471 2006-01-19 Jan Hubicka <jh@suse.cz>
3472 H.J. Lu <hongjiu.lu@intel.com>
3473 Evandro Menezes <evandro.menezes@amd.com>
3475 * invoke.texi (generic): Document
3477 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3478 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3479 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3480 (x86_use_incdec, x86_pad_returns): New variables
3481 (TARGET_CPU_DEFAULT_generic): New constant
3482 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3483 (enum processor_type): Add generic32 and generic64.
3484 * i386.md (cpu attribute): Add generic32/generic64
3485 (movhi splitter): Behave sanely when both partial_reg_dependency and
3486 partial_reg_stall are set.
3487 (K8 splitters): Enable for generic as well.
3488 * predicates.md (incdec_operand): Use TARGET_INCDEC
3489 (aligned_operand): Avoid memory mismatch stalls.
3490 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3491 * ppro.md: Enable for generic32
3492 * i386.c (generic64_cost, generic32_cost): New.
3493 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3494 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3495 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3496 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3497 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3498 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3499 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3500 x86_accumulate_outgoing_args, x86_prologue_using_move,
3501 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3502 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3504 (x86_use_incdec, x86_pad_returns): New.
3505 (override_options): Add generic32 and generic64, translate "generic"
3506 to generic32/generic64 and "i686" to "generic32", refuse
3507 "generic32"/"generic64" as arch target.
3508 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3509 (ix86_reorg): Honor PAD_RETURNS.
3511 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3513 * tree-pretty-print.c (dump_generic_node): Handle
3514 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3515 * cgraph.c (cgraph_expand_queue): Rename from
3516 cgraph_analyze_queue. Update all users.
3517 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3518 cgraph_expand_queue.
3519 (cgraph_expand_all_functions): Likewise.
3520 (cgraph_finalize_pending_functions): Remove. Update callers.
3522 * tree.h (OMP_DIRECTIVE_P): Define.
3523 (OMP_PARALLEL_FN): Define.
3524 (OMP_PARALLEL_DATA_ARG): Define.
3525 (OMP_SECTIONS_SECTIONS): Define.
3526 * tree-pass.h (pass_expand_omp): Declare.
3527 * omp-low.c (struct omp_region): Declare.
3528 (struct omp_context): Remove fields 'parallel_type',
3529 'parallel_start_ix' and 'parallel_start_additional_args'.
3531 (struct omp_for_data): Rename from struct expand_omp_for_data.
3532 (omp_regions): New static variable.
3533 (root_omp_region): New static variable.
3534 (find_omp_clause): Make static.
3535 (is_in_combined_parallel_ctx): Remove.
3536 (is_combined_parallel): New.
3537 (extract_omp_for_data): Move earlier in the file.
3538 (workshare_safe_to_combine_p): New.
3539 (get_ws_args_for): New.
3540 (determine_parallel_type): Move earlier in the file.
3541 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3543 (omp_copy_decl): Likewise.
3544 (create_omp_child_function): Likewise.
3545 (lookup_omp_region): New.
3546 (dump_omp_region): New.
3547 (debug_omp_region): New.
3548 (debug_all_omp_regions): New.
3549 (new_omp_region): New.
3550 (scan_omp_parallel): If parallel_nesting_level > 1, the
3551 directive is nested within another parallel directive.
3552 Set OMP_PARALLEL_FN.
3553 (scan_omp_for): Do not try to handle combined parallel+for
3555 Remove FIXME comment.
3556 (scan_omp_nested): Remove.
3557 (scan_omp_1): Do not call scan_omp_nested when
3558 parallel_nesting_level is > 1.
3559 Do not change the DECL_CONTEXT of local variables found.
3560 (lookup_decl_in_outer_ctx): New.
3561 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3562 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3563 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3564 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3565 If CTX is nested, lookup VAR in the outer context when
3566 building copy assignment.
3567 (lower_send_clauses): Rename from expand_send_clauses.
3568 If CTX is nested, lookup VAR in the outer context when
3569 building copy assignments.
3570 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3571 If CTX is nested, lookup VAR in the outer context when
3572 building copy assignments.
3573 (expand_parallel_call): Rename from build_parallel_call.
3574 Handle combined parallel+workshare cases.
3575 Re-implement to emit code into the CFG.
3577 (expand_omp_parallel): Re-implement to emit code into the CFG.
3578 Call move_sese_region_to_fn to outline the sub-graph
3579 containing the parallel region.
3580 (expand_omp_for_1): Remove.
3581 (expand_omp_for_generic): Re-implement to emit code into the
3583 (expand_omp_for_static_nochunk): Likewise.
3584 (expand_omp_for_static_chunk): Likewise.
3585 (expand_omp_for): Likewise.
3586 (expand_omp_sections): Likewise.
3587 (remove_exit_barriers): New.
3588 (expand_omp_synch): New.
3590 (build_omp_regions_1): New.
3591 (build_omp_regions): New.
3592 (execute_expand_omp): New.
3593 (gate_expand_omp): New.
3594 (pass_expand_omp): Define.
3595 (lower_omp_sections): Rename from expand_omp_sections.
3596 Set OMP_SECTIONS_SECTIONS.
3597 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3598 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3599 (lower_omp_single): Rename from expand_omp_simple.
3600 (lower_omp_master): Rename from expand_omp_master.
3601 (lower_omp_ordered): Rename from expand_omp_ordered.
3602 (lower_omp_critical): Rename from expand_omp_critical.
3603 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3604 (lower_omp_for): Re-implement.
3605 (lower_omp_parallel): Re-implement.
3606 (lower_regimplify): Rename from expand_regimplify.
3607 (lower_omp_1): Rename from expand_omp_1.
3608 If there are syntax errors in the program, replace every
3609 OpenMP directive with NOP.
3610 Call lower_omp_* instead of expand_omp_*.
3611 (lower_omp): Rename from expand_omp.
3613 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3614 * tree-gimple.h (enum omp_parallel_type): Remove.
3615 (gimple_boolify): Declare extern.
3616 (find_omp_clause, determine_parallel_type): Remove.
3618 * gimple-low.c (lower_omp_directive): New.
3619 (lower_stmt): Call it.
3620 (record_vars_into): Move from ...
3621 (record_vars): ... here.
3622 Call record_vars_into with current_function_decl.
3624 * gimplify.c (struct gimplify_ctx): Remove fields
3625 combined_pre_p and combined_ctxp. Update users.
3626 (get_formal_tmp_var): Add documentation.
3627 (gimple_boolify): Make extern.
3628 (gimplify_expr_in_ctx): Remove. Update callers.
3629 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3630 will always be a BIND_EXPR.
3631 (gimplify_expr): Handle OMP_RETURN_EXPR.
3632 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3633 (OMP_PARALLEL): Add 3 operands.
3634 (OMP_SECTIONS): Add 1 operand.
3635 (OMP_RETURN_EXPR): Define.
3637 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3638 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3639 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3640 creating a circular free list.
3641 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3643 * tree-flow.h (move_sese_region_to_fn): Declare.
3644 (record_vars_into): Declare.
3645 * tree-cfg.c (make_omp_sections_edges): New.
3646 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3647 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3648 OMP_SECTIONS and OMP_SECTION.
3649 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3650 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3651 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3652 (gather_blocks_in_sese_region): New.
3653 (struct move_stmt_d): Declare.
3655 (move_block_to_fn): New.
3656 (move_sese_region_to_fn): New.
3658 * passes.c (init_optimization_passes): Schedule
3659 pass_expand_omp after pass_init_datastructures.
3661 * tree-ssa-operands.c (get_expr_operands): Handle
3662 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3663 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3665 2006-01-19 Jeff Law <law@redhat.com>
3667 * tree-vrp.c (extract_range_from_assert): Refine the result range
3668 if the variable referenced by the ASSERT_EXPR has a range and
3669 either the tentative result range or the previous range is a
3672 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3674 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3676 2006-01-19 Jan Hubicka <jh@suse.cz>
3678 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3680 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3682 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3683 (expand_compound_operation, expand_field_assignment): Fail if the
3684 bit lengths of an extract operation are out of range.
3685 (make_extraction): Compute wanted_inner_mode based on the position
3686 and length of the extraction. Make it extraction_mode for non-constant
3687 positions, and do not modify offset in that case. When generating a
3688 new MEM, use a mode that can hold the extraction while keeping correct
3689 alignment. Remove code that supported MEMs wrapped by USEs.
3690 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3692 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3694 * config/s390/s390.md ("Y", "y"): New mode attribute.
3695 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3696 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3697 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3698 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3699 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3700 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3701 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3702 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3703 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3704 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3705 "addsi3", "subsi3"): Insn patterns removed.
3706 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3707 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3708 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3709 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3710 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3711 "*sub<mode>3_cconly2"): New insn patterns.
3712 ("addsi3", "subsi3"): New expanders.
3714 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3716 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3717 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3718 existing STMT_VINFO_VECTYPE if available.
3719 (vect_mark_relevant): Add special handling for stmts that are
3720 marked as STMT_VINFO_IN_PATTERN_P.
3721 (vect_analyze_loop): Call vect_pattern_recog.
3722 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3723 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3725 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3726 (vect_recog_func_ptr): New function-pointer type.
3727 * tree-vect-patterns.c: New file.
3728 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3729 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3730 (vect_pattern_recog_1): New functions.
3731 (vect_pattern_recog_funcs): New array of function pointers.
3733 * tree-vectorizer.h (ternary_op): New enum value.
3734 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3735 declaration. Revised documentation. Removed redundant dump prints.
3736 Removed redundant argument. Added support for reduction patterns.
3737 (vectorizable_reduction): Added support for reduction patterns.
3738 (vect_transform_stmt): Added support for patterns.
3740 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3741 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3742 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3743 (expand_widen_pattern_expr): New function.
3744 (init_optabs): Initialize new optabs udot_prod_optab,
3746 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3747 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3748 (expand_widen_pattern_expr): New function declaration.
3749 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3751 * tree-inline.c (estimate_num_insns_1): Added cases for new
3752 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3753 * tree-pretty-print.c (dump_generic_node): Likewise.
3754 (op_prio): Likewise.
3755 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3756 * tree-ssa-operands.c (get_expr_operands): Added case for
3758 * tree-vect-patterns.c (widened_name_p): New function.
3759 (vect_recog_dot_prod_pattern): Added function implementation.
3760 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3761 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3762 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3763 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3765 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3766 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3767 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3768 (init_optabs): Initialize new optabs widen_ssum_optab,
3770 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3771 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3772 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3773 use instead of type of def.
3774 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3775 function implementation.
3776 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3777 widen_ssumv8hi): New.
3779 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3782 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3785 * c-decl.c (add_flexible_array_elts_to_size): New function.
3786 (finish_decl): Use it.
3788 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3790 * diagnostic.h: Include options.h.
3791 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3792 dependancies for diagnostic.h.
3793 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3795 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3797 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3798 (ssa_ro_call_cache_valid): Ditto.
3799 * tree-ssa-alias.c (sort_tags_by_id): New function.
3800 (init_transitive_clobber_worklist): Ditto.
3801 (add_to_worklist): Ditto.
3802 (mark_aliases_call_clobbered): Ditto.
3803 (compute_tag_properties): Ditto.
3804 (set_initial_properties): Ditto.
3805 (compute_call_clobbered): Ditto.
3806 (compute_may_aliases): Call compute_call_clobbered and grouping.
3807 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3808 (compute_flow_insensitive_aliasing): Grouping now happens in our
3810 (setup_pointers_and_addressables): Remove clobbering related code.
3811 (add_may_alias): Ditto.
3812 (replace_may_alias): Ditto.
3813 (get_nmt_for): Ditto.
3814 (create_global_var):
3815 (is_escape_site): Return an escape_type enumeration.
3816 * tree-flow-inline.h (is_call_clobbered): Global var does not
3817 imply call clobbered.
3818 (mark_call_clobbered): Take a reason for marking this. Remove
3819 marking of globalness, and cache invalidation.
3820 (clear_call_clobbered): Remove cache invalidation code.
3821 * tree-dfa.c (dump_variable): If details is on, dump the reason
3823 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3825 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3826 (struct var_ann_d): Ditto.
3827 (enum escape_type): New.
3828 (mark_call_clobbered): Adjust prototype.
3829 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3830 are never call clobbered.
3831 Record reasons for escaping.
3832 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3833 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3834 (ssa_ro_call_cache_valid): Ditto.
3835 (clobbered_v_may_defs): Ditto.
3836 (clobbered_vuses): Ditto.
3837 (ro_call_vuses): Ditto.
3838 (clobber_stats): New.
3839 (init_ssa_operands): Zero out clobber stats.
3840 (fini_ssa_operands): Print out clobber stats.
3841 (get_call_expr_operands): Pass callee fndecl to
3843 (add_call_clobber_ops): Remove use of cache.
3844 Add use of PURE_CONST information.
3845 (add_call_read_ops): Remove use of cache.
3846 Add use of static not_read information.
3848 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3850 Introduce TLS descriptors for i386 and x86_64.
3851 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3852 (TARGET_ANY_GNU_TLS): New macro.
3853 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3854 (struct machine_function): Add tls_descriptor_call_expanded_p.
3855 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3856 (ix86_current_function_calls_tls_descriptor): Likewise.
3857 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3858 (override_options): Introduce gnu2 tls dialect.
3859 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3861 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3863 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3864 (ix86_init_machine_status): Initialize new field.
3865 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3866 (ix86_tls_module_base): New.
3867 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3868 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3869 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3870 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3871 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3872 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3873 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3874 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3875 * config/i386/predicates.md (tls_modbase_operand): New.
3876 (tp_or_register_operand): New.
3878 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3880 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3881 (look_for_address_of): Ditto.
3882 (ipa_init): Walk the function decls.
3883 (static_execute): Don't set readonly on FUNCTION_DECL's.
3885 2006-01-18 Roger Sayle <roger@eyesopen.com>
3887 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3888 for shifts where the source and destination registers are different.
3890 2006-01-18 Paul Brook <paul@codesourcery.com>
3892 Merge from csl-arm-branch.
3893 2005-03-14 Julian Brown <julian@codesourcery.com>
3894 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3895 (aeabi_llsl): Likewise.
3896 (ashrdi3): Likewise.
3897 (aeabi_lasr): Likewise.
3898 (lshrdi3): Likewise.
3899 (aeabi_llsr): Likewise.
3900 2005-03-10 Julian Brown <julian@codesourcery.com>
3901 * config.gcc: Disable shared libgcc for SymbianOS.
3902 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3904 2006-01-18 DJ Delorie <dj@redhat.com>
3906 * c-pragma.c (handle_pragma_diagnostic): New.
3907 (init_pragma): Register it.
3908 * doc/extend.texi: Document it.
3910 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3911 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3912 (diagnostic_context): Add classify_diagnostic[].
3913 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3914 as errors if they're overridden to DK_WARNING.
3915 (diagnostic_initialize): Initialize classify_diagnostic[].
3916 (diagnostic_set_kind_override): New.
3917 (diagnostic_report_diagnostic): Check for kind changes.
3918 * opts.c (common_handle_option): Take lang_mask. Update callers.
3920 * common.opt (Werror=): New.
3921 * doc/invoke.texi: Document -Werror=*
3923 2006-01-18 Jeff Law <law@redhat.com>
3925 * tree-vrp.c (test_for_singularity): Correct test for new
3926 min limit. Use operand_equal_p rather than pointer equality
3927 for testing if new min/max values are equal.
3929 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3930 using range information until after propagation and folding.
3932 2006-01-18 Richard Henderson <rth@redhat.com>
3933 Aldy Hernandez <aldyh@redhat.com>
3934 Jakub Jelinek <jakub@redhat.com>
3935 Diego Novillo <dnovillo@redhat.com>
3937 * omp-low.c: New file.
3938 * c-omp.c: New file.
3940 2006-01-18 Richard Henderson <rth@redhat.com>
3941 Jakub Jelinek <jakub@redhat.com>
3942 Diego Novillo <dnovillo@redhat.com>
3944 * doc/invoke.texi: Document -fopenmp.
3945 * tree-dump.h (debug_function): Declare.
3946 * hooks.c (hook_bool_tree_bool_false): New function.
3947 (hook_tree_tree_null): Remove.
3948 (hook_tree_tree_tree_null): New.
3949 * hooks.h: Update to match.
3950 * tree-pretty-print.c (debug_tree_chain): New.
3951 (print_generic_expr): Handle TDF_CHAIN.
3952 (dump_generic_node): Handle BLOCK.
3953 Do not abort with incomplete SWITCH_EXPRs.
3954 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3955 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3956 print space after directive name.
3957 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3958 Handle OMP_MASTER and OMP_ORDERED.
3959 Handle printing of OMP_BODY just in one place, goto
3960 dump_omp_body in the rest of OMP_* nodes that have
3962 Don't handle clause nodes here. Update omp statements to
3963 use dump_omp_clauses.
3964 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3965 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3966 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3967 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3968 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3969 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3970 Adjust output for GOMP_PARALLEL.
3971 (dump_omp_clauses): New.
3972 (print_declaration): Dump DECL_VALUE_EXPR.
3973 (op_symbol_1): Split out of op_symbol.
3974 (dumping_stmts): Remove. Update all users.
3975 * cgraph.c (cgraph_analyze_queue): New.
3976 (cgraph_add_new_function): New.
3977 * cgraph.h (cgraph_analyze_queue): Declare.
3978 (cgraph_add_new_function): Declare.
3979 (cgraph_lower_function): Remove.
3980 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3981 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3982 and TYPE_P nodes in its default clause.
3983 (empty_body_p): New.
3984 (tree_range_check_failed): New.
3986 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3987 OMP_CLAUSE_REDUCTION_MERGE,
3988 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3989 OMP_CLAUSE_PRIVATE_DEBUG,
3990 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3991 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3992 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3993 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3994 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3995 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3996 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3997 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3998 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3999 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4000 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4001 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4002 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4003 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4004 (TREE_RANGE_CHECK): New.
4005 (empty_body_p): Declare.
4006 (enum omp_clause_default_kind): New.
4007 (build_string_literal): Declare.
4008 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4009 (build5_stat, build5): Declare.
4010 * tree-pass.h (TDF_CHAIN): Define.
4011 * tree-pass.h (PROP_gimple_lomp): Define.
4012 (pass_lower_omp): Declare.
4013 * diagnostic.h (debug_tree_chain): Declare.
4014 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4016 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4017 * builtins.c (build_string_literal): Make extern.
4018 * gcc.c (include_spec_function): New.
4019 (static_spec_functions): Add it.
4020 (main): Move load of libgomp.spec ...
4021 (LINK_COMMAND_SPEC): ... here.
4022 (link_gomp_spec): New.
4023 (static_specs): Include it.
4024 (LINK_COMMAND_SPEC): Add link_gomp.
4025 (GOMP_SELF_SPECS): New.
4026 (driver_self_specs): Include it.
4027 (switch_matches): Don't mark inline.
4028 (main): Load libgomp.spec.
4029 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4030 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4031 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4032 * tree-gimple.h (enum omp_parallel): Declare.
4033 (determine_parallel_type): Declare.
4034 (omp_firstprivatize_variable): Declare.
4035 (omp_reduction_init): Declare.
4036 (diagnose_omp_structured_block_errors): Declare.
4037 (struct walk_stmt_info): Add want_return_expr.
4038 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4039 (find_omp_clause): Declare.
4040 (insert_field_into_struct): Declare.
4041 (struct walk_stmt_info): Move from tree-nested.c
4042 (walk_stmts): Declare.
4043 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4045 * cgraphunit.c (cgraph_lower_function): Make static.
4046 (cgraph_finalize_pending_functions): New.
4047 (cgraph_finalize_function): Call it.
4048 (cgraph_finalize_compilation_unit): Likewise.
4049 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4050 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4051 (BT_FN_UINT_UINT): New.
4052 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4053 DEF_FUNCTION_TYPE_VAR_4): Document.
4054 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4055 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4056 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4057 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4058 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4059 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4060 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4061 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4062 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4063 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4064 into separate files.
4065 (DEF_GOMP_BUILTIN): New.
4066 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4067 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4068 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4069 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4070 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4071 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4072 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4073 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4074 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4075 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4076 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4077 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4078 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4079 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4080 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4081 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4082 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4083 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4084 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4085 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4086 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4087 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4088 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4089 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4090 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4091 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4092 * sync-builtins.def: New file, moved from builtins.def.
4093 * omp-builtins.def: New file, moved from builtins.def.
4094 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4095 * gimple-low.c (lower_function_body): Clear data.
4096 (lower_stmt): Do not handle COMPOUND_EXPR.
4097 Remove call to print_node_brief.
4098 * c-tree.h (c_finish_omp_clauses): New prototype.
4099 (C_DECL_THREADPRIVATE_P): Define.
4100 (lookup_name_no_remap, c_omp_remap_private): Remove
4101 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4102 (check_for_loop_decls): Update decl.
4103 (lookup_name_no_remap, c_omp_remap_private): Declare.
4104 (build_indirect_ref, build_modify_expr, pushdecl,
4105 pushdecl_top_level): Move to c-common.h.
4106 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4107 before the switch, but just in the 2 places that need it.
4108 * c-decl.c (diagnose_mismatched_decls): Do not check for
4109 mismatched thread-local attributes when OLDDECL is marked
4110 threadprivate and NEWDECL has no thread-local attributes.
4111 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4112 (c_gimple_diagnostics_recursively): Rename from
4113 c_warn_unused_result_recursively. Invoke
4114 diagnose_omp_structured_block_errors.
4115 (check_for_loop_decls): Return a singular decl found.
4116 * langhooks.c (lhd_omp_predetermined_sharing): Return
4117 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4118 (lhd_omp_firstprivatize_type_sizes): New.
4119 (lhd_omp_assignment): New.
4120 (lhd_omp_predetermined_sharing): New.
4121 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4122 (struct lang_hooks_for_types): Add
4123 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4124 omp_predetermined_sharing, omp_disregard_value_expr,
4125 omp_private_debug_clause, omp_clause_default_ctor,
4126 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4127 (c_finish_omp_clauses): New.
4128 (c_finish_bc_stmt): Diagnose break within omp for.
4129 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4130 (build_unary_op): Return error_mark after reporting
4132 (build_modify_expr): Likewise.
4133 * gimplify.c: Include optabs.h and pointer-set.h.
4134 (enum gimplify_omp_var_data): Declare.
4135 (struct gimplify_omp_ctx): Declare.
4136 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4138 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4139 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4140 (splay_tree_compare_decl_uid): New.
4141 (new_omp_context): New.
4142 (delete_omp_context): New.
4143 (gimple_add_tmp_var): Call omp_add_variable.
4144 (gimplify_bind_expr): Likewise.
4145 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4146 true, disregard DECL_VALUE_EXPR on the decl if any.
4147 (gimplify_expr_in_ctx): New.
4148 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4149 omp_add_variable, omp_notice_variable, omp_is_private
4150 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4151 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4152 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4153 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4154 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4155 gimplify_omp_atomic): New.
4156 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4157 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4158 OMP_CRITICAL and OMP_ATOMIC.
4159 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4160 * c-pragma.h (enum pragma_kind): Add
4161 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4162 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4163 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4164 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4165 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4166 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4167 PRAGMA_OMP_THREADPRIVATE.
4168 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4169 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4170 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4171 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4172 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4173 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4174 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4175 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4176 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4177 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4178 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4179 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4180 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4182 (struct nesting_info): Add field_map,
4183 suppress_expansion, debug_var_chain.
4184 (create_nesting_tree): Initialize them.
4185 (lookup_field_for_decl): Use field_map.
4186 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4187 (convert_local_omp_clauses): New.
4188 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4189 (walk_body): Split out of walk_function.
4190 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4191 (convert_nonlocal_reference): Handle omp statements.
4192 (convert_local_reference): Likewise.
4193 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4194 (unnest_nesting_tree): New.
4195 (lower_nested_functions): Call it.
4196 (insert_field_into_struct): Make extern.
4197 (struct walk_stmt_info): Move to tree-gimple.h.
4198 (walk_stmts): Make extern.
4199 * omp-builtins.def: New file.
4200 * tree-iterator.c (expr_only): Clarify comment.
4201 * c-common.h (pushdecl_top_level, pushdecl,
4202 build_modify_expr, build_indirect_ref,
4203 c_finish_omp_master, c_finish_omp_critical,
4204 c_finish_omp_ordered, c_finish_omp_barrier,
4205 c_finish_omp_atomic, c_finish_omp_flush,
4206 c_finish_omp_for, c_split_parallel_clauses,
4207 omp_clause_default_kind, c_omp_sharing_predetermined,
4208 c_omp_remap_decl): Declare.
4209 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4210 (OBJS-common): Add omp-low.o.
4211 (c-omp.o, omp-low.o): Add.
4212 (gimplify.o): Add dependency on $(OPTABS_H).
4213 (GTFILES): Add omp-low.c.
4214 (gt-stringpool.h): Add.
4215 * tree-cfg.c (set_bb_for_stmt): Do not update the
4216 block-to-labels map if we are currently expanding to RTL.
4217 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4219 Handle IDENTIFIER_NODE.
4220 (tree_verify_flow_info): Do not ICE when emitting error
4221 messages about invalid labels.
4222 (dump_function_to_file): Reset CFUN before emitting the body
4224 (debug_function): New.
4225 * passes.c (init_optimization_passes): Schedule
4227 * langhooks-def.h (lhd_omp_predetermined_sharing,
4228 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4230 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4231 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4232 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4233 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4234 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4235 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4236 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4237 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4238 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4239 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4240 (LANG_HOOK_DECLS): Use them.
4242 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4243 Richard Henderson <rth@redhat.com>
4244 Jakub Jelinek <jakub@redhat.com>
4245 Diego Novillo <dnovillo@redhat.com>
4247 * c-parser.c (pragma_omp_clause): Define.
4248 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4249 (c_parser_compound_statement): Likewise.
4250 (c_parser_statement): Likewise.
4251 (c_parser_pragma): Handle omp pragmas.
4252 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4253 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4254 (c_parser_omp_clause_name, check_no_duplicate_clause,
4255 c_parser_omp_variable_list,
4256 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4257 c_parser_omp_clause_copyprivate,
4258 c_parser_omp_clause_default,
4259 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4260 c_parser_omp_clause_lastprivate,
4261 c_parser_omp_clause_nowait,
4262 c_parser_omp_clause_num_threads,
4263 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4264 c_parser_omp_clause_reduction,
4265 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4266 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4267 c_parser_omp_atomic, c_parser_omp_barrier,
4268 c_parser_omp_critical, c_parser_omp_flush,
4269 c_parser_omp_for_loop, c_parser_omp_for,
4270 c_parser_omp_master, c_parser_omp_ordered,
4271 c_parser_omp_sections_scope, c_parser_omp_sections,
4272 c_parser_omp_parallel, c_parser_omp_single,
4273 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4274 * c-pragma.c (init_pragma): Do omp pragma registration here.
4275 * c.opt (fopenmp): New flag.
4277 2006-01-18 Eric Christopher <echristo@apple.com>
4279 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4280 * config/darwin.h (GOMP_SELF_SPECS): Define.
4282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4284 * rtl.h: Remove the prototype for reg_alloc.
4286 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4289 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4290 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4291 sjlj and dwarf2 exception handling.
4292 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4293 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4294 * pa/pa.c (function_value): Treat complex and vector types as
4296 (function_arg): Likewise. Only pass scalar floats in the floating
4297 point argument registers.
4298 * pa/t-slibgcc-dwarf-ver: New file.
4299 * pa/t-slibgcc-sjlj-ver: New file.
4300 * pa/t-slibgcc-elf-ver: Delete file.
4302 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4304 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4305 unlikely_test_section_p test.
4307 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4309 * mode-switching.c (optimize_mode_switching): Make it static.
4310 * basic-block.h: Remove the prototype for
4311 optimize_mode_switching.
4313 * modulo-sched.c (sms_schedule): Make it static.
4314 * rtl.h: Remove the prototype for sms_schedule.
4316 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4317 * rtl.h: Remove the prototype for gcse_after_reload_main.
4319 * reg-stack.c (reg_to_stack): Make it static.
4320 * rtl.h: Remove the prototype for reg_to_stack.
4322 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4324 * rtl.h: Remove the prototypes for regrename_optimize and
4325 copyprop_hardreg_forward.
4327 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4329 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4330 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4331 Test against the appropriate null constant for the mode.
4332 If 'fixup_overlap' is true, swap the operands if they overlap.
4333 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4334 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4335 alpha_split_tmode_pair and adjust for above change.
4336 * config/alpha/alpha.md (movtf_internal): Adjust call to
4337 alpha_split_tfmode_pair and rely on it to swap the operands.
4338 (movti_internal): New insn and post-reload splitter.
4339 (movti): New expander.
4341 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4343 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4346 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4348 * rtlanal.c (global_reg_mentioned_p_1,
4349 global_reg_mentioned_p): Remove.
4350 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4352 * flow.c (initialize_uninitialized_subregs): Make it static.
4353 * rtl.h: Remove the prototype for
4354 initialize_uninitialized_subregs.
4356 * function.c (instantiate_virtual_regs): Make it static.
4357 * function.h: Remove the prototype for
4358 instantiate_virtual_regs.
4360 * regmove.c (regmove_optimize, combine_stack_adjustments):
4362 * rtl.h: Remove the prototypes for regmove_optimize and
4363 combine_stack_adjustments.
4365 2006-01-17 Roger Sayle <roger@eyesopen.com>
4367 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4368 (size_cost): Encode costs in bytes so that a reg-reg addition is
4369 equivalent to COSTS_N_INSNS(1).
4370 (override_options): Use the size_cost.branch_cost as the default
4371 ix86_branch_cost when optimizing for size.
4373 2006-01-18 Ben Elliston <bje@au.ibm.com>
4375 * Makefile.in (D32PBIT_FUNCS): New.
4376 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4377 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4378 D64PBIT_FUNCS and D128PBIT_FUNCS.
4379 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4380 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4382 (decnumber_dep): Define.
4383 * doc/libgcc.texi (Decimal float library routines): New node.
4384 * config/dfp-bit.h, config/dfp-bit.c: New files.
4386 2006-01-18 Ben Elliston <bje@au.ibm.com>
4388 * expr.c (emit_move_change_mode): Always adjust addresses, not
4389 just during reload. Copy replacements only during reload.
4390 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4391 emit_move_via_integer.
4393 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4395 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4396 instead of $(srcdir) and ${srcdir}.
4398 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4402 * arm.h (struct machine_function): Add pic_reg.
4403 * arm.c (arm_pic_register): Make unsigned.
4404 (arm_override_options): Only set arm_pic_register if
4405 TARGET_SINGLE_PIC_BASE.
4406 (use_return_insn): Only test for a pic register if it is fixed.
4407 (arm_compute_save_reg0_reg12_mask): Likewise.
4408 (thumb_compute_save_reg_mask): Likewise.
4409 (legitimate_pic_operand): Factor out some known invariants.
4410 (legitimize_pic_address): If we don't have a fixed pic register,
4411 then set up a pseudo in the function entry sequence. Handle the
4412 pic base being in a pseudo.
4413 (arm_load_pic_register): Handle the pic register being in a pseudo.
4414 (arm_expand_prologue): Only set up the pic register if it is fixed.
4415 (thumb_expand_prologue): Likewise.
4416 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4417 (pic_load_addr_based_insn): Likewise.
4418 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4421 2006-01-18 Ben Elliston <bje@au.ibm.com>
4423 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4424 decimal float modes for all floating point registers.
4426 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4427 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4429 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4432 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4433 even when the pointer is not NULL.
4435 2006-01-16 Ian Lance Taylor <ian@airs.com>
4437 * common.opt (ftoplevel-reorder): New option.
4438 * cgraph.c (cgraph_asm_nodes): New global variable.
4439 (cgraph_asm_last_node): New static variable.
4440 (cgraph_order): New global variable.
4441 (cgraph_create_node): Set new order field.
4442 (cgraph_varpool_node): Likewise.
4443 (decide_is_variable_needed): Return true if not
4444 flag_toplevel_reorder.
4445 (cgraph_add_asm_node): New function.
4446 * cgraph.h (struct cgraph_node): Add order field.
4447 (struct cgraph_varpool_node): Add order field.
4448 (struct cgraph_asm_node): Define.
4449 (cgraph_asm_nodes, cgraph_order): Declare.
4450 (cgraph_add_asm_node): Declare.
4451 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4453 (cgraph_varpool_assemble_pending_decls): Call it.
4454 (cgraph_output_pending_asms): New static function.
4455 (cgraph_finalize_compilation_unit): Call it.
4456 (struct cgraph_order_sort): Define.
4457 (cgraph_output_in_order): New static function.
4458 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4459 !flag_toplevel_reorder case.
4460 * c-parser.c: Include "cgraph.h".
4461 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4463 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4464 than -fno-unit-at-a-time.
4465 * doc/invoke.texi (Option Summary): Mention
4466 -fno-toplevel-reorder.
4467 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4468 -funit-at-a-time documentation.
4470 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4471 Kazu Hirata <kazu@codesourcery.com>
4473 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4475 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4477 * Makefile.in (FUNCTION_H): New. Use it instead of
4478 function.h throughout the file.
4479 * function.h: Include tree.h.
4481 2006-01-17 Ben Elliston <bje@au.ibm.com>
4483 * recog.c: Separate some functions with whitespace.
4485 2006-01-16 Richard Henderson <rth@redhat.com>
4487 Merge from gomp branch:
4488 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4489 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4490 and rename from struct inline_data. Rename callee* to dst*;
4491 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4492 transform_new_cfg, transform_return_to_modify, and
4493 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4495 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4496 (copy_decl_for_dup): Remove.
4497 * tree-inline.c (struct inline_data): Move to header.
4498 (insert_decl_map): Export.
4499 (remap_decl): Update for member name changes. Use copy_decl hook.
4500 Allow for replacement to be a non-decl. Remove dead code.
4501 (remap_type_1): Check for existing mapping.
4502 (remap_type): Export.
4503 (remap_decls): Update for member name changes.
4504 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4505 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4506 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4507 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4508 (tree_function_versioning, build_duplicate_type): Likewise.
4509 (copy_body_r): Likewise. Export.
4510 (copy_decl_for_dup): Split into ...
4511 (copy_decl_for_dup_finish, copy_decl_to_var,
4512 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4513 (replace_ref_tree, inlining_p): Remove.
4515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4517 * ifcvt.c (if_convert): Make it static.
4518 * rtl.h: Remove the prototype for if_convert.
4520 * local-alloc.c (local_alloc): Make it static.
4521 * rtl.h: Remove the prototype for local_alloc.
4523 * loop.c (loop_optimize): Make it static.
4524 * cfgloop.h: Remove the prototype for loop_optimize.
4527 2006-01-16 DJ Delorie <dj@redhat.com>
4529 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4532 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4534 * pa.md: Disparage copies between general and floating-point registers
4535 in 32-bit move patterns.
4537 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4540 * Makefile.in (check-%): Depend on site.exp instead of
4541 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4544 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4546 * global.c (global_alloc): Make it static.
4547 * rtl.h: Remove the prototype for global_alloc.
4549 2006-01-16 Richard Guenther <rguenther@suse.de>
4551 * tree-ssa-alias.c (struct used_part): Add write_only field.
4552 (get_or_create_used_part_for): Initialize it to true.
4553 (create_overlap_variables_for): Don't create structure variables
4554 for structures that only are written to.
4555 (find_used_portions): Handle MODIFY_EXPR to track whether a
4556 structure is only written to.
4558 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4560 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4562 * basic-block.h: Remove the prototype for
4563 partition_hot_cold_basic_blocks.
4565 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4567 * cppspec.c (lang_specific_spec_functions): Remove.
4568 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4569 * gcc.h (lang_specific_spec_functions): Remove.
4570 * gccspec.c (lang_specific_spec_functions): Remove.
4572 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4574 * combine.c (record_value_for_reg): Invalidate registers
4576 (record_dead_and_set_regs_1): Likewise, by passing them to
4577 record_value_for_reg.
4578 (record_dead_and_set_regs): Invalidate stores made by a
4579 call. We do not combine across a call, but we still
4580 relied on equivalences.
4582 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4584 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4585 vrp_int_const_binop returning non-constant nodes.
4587 2006-01-16 Paul Brook <paul@codesourcery.com>
4589 * config/m68k/m68k.c (output_move_const_into_data_reg):
4590 Output correct mnemonic for mvz and mvs.
4592 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4594 * rtl-factoring.c: Add sequence abstraction algorithm.
4595 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4596 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4598 (block_has_preserve_label): New function.
4599 * common.opt: Register new pass.
4600 * Makefile.in: Ditto.
4602 * timevar.def: Ditto.
4603 * tree-pass.h: Ditto.
4604 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4605 * rtl.h (make_jump_insn_raw): Add forward decl.
4606 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4608 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4609 Roger Sayle <roger@eyesopen.com>
4611 * fold-const.c (fold_minmax): New static function.
4612 (fold_binary) <MIN_EXPR>: Call it.
4613 <MAX_EXPR>: Likewise.
4614 * stor-layout.c (place_field): Use DECL_SIZE consistently
4615 in the computation of the new record size.
4617 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4619 * cse.c (cse_condition_code_reg): Make it static.
4620 * rtl.h: Remove the prototype for cse_condition_code_reg.
4622 * combine.c (combine_instructions): Make it static.
4623 * rtl.h: Remove the prototype for combine_instructions.
4625 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4628 * tree.c (get_file_function_name_long): Concatenate the first global
4629 object name with a string derived from the input filename of the object
4632 2006-01-16 Ben Elliston <bje@au.ibm.com>
4634 * config/i386/winnt-stubs.c: Update FSF address.
4635 * config/xtensa/ieee754-df.S: Ditto.
4636 * config/xtensa/ieee754-sf.S: Ditto.
4638 2006-01-14 Ian Lance Taylor <ian@airs.com>
4640 * ifcvt.c (noce_init_if_info): New static function, broken out of
4641 noce_process_if_block.
4642 (noce_process_if_block): Call noce_init_if_info.
4643 (check_cond_move_block): New static function.
4644 (cond_move_process_if_block): New static function.
4645 (process_if_block): Call cond_move_process_if_block.
4647 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4649 * cselib.c (hash_table): Rename to cselib_hash_table.
4650 (cselib_clear_table, discard_useless_values,
4651 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4652 cselib_init, cselib_finish): Adjust uses of hash_table.
4654 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4656 PR tree-optimization/25485
4657 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4658 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4659 is known to be false and true, respectively.
4661 2006-01-14 Richard Guenther <rguenther@suse.de>
4663 PR tree-optimization/22548
4664 PR tree-optimization/22555
4665 PR tree-optimization/22501
4666 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4667 * params.def (salias-max-array-elements): New parameter.
4668 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4669 * doc/invoke.texi (salias-max-array-elements): Document.
4670 * tree-flow-inline.h (var_can_have_subvars): We also handle
4672 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4674 * tree-ssa-structalias.c (params.h): Include.
4675 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4676 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4677 (get_constraint_for): For ADDR_EXPR operating on something
4678 containing an ARRAY_REF, add all subvars to the solution.
4679 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4680 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4681 for creating MUST_DEFs.
4682 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4684 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4686 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4688 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4689 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4690 number_of_iterations_le): New functions.
4691 (number_of_iterations_special): Removed.
4692 (number_of_iterations_exit): Do not use number_of_iterations_special.
4693 * tree.c (unsigned_type_for): Always return integer type.
4695 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4696 Richard Guenther <rguenther@suse.de>
4698 PR rtl-optimization/24257
4699 * gcse.c (find_moveable_store): Only consider a store movable
4700 when the SET_SRC of the insn can be assigned to a register.
4702 2006-01-14 Ian Lance Taylor <ian@airs.com>
4704 * tree.c (tree_not_class_check_failed): New function.
4705 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4706 (tree_not_class_check_failed): Declare.
4708 2006-01-13 Ian Lance Taylor <ian@airs.com>
4710 * reload1.c (do_output_reload): Add assertion rejecting a
4713 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4715 * combine.c (struct reg_stat): Add new fields truncation_label and
4717 (record_value_for_reg): Reset truncated_to_mode.
4718 (record_truncated_value): New function.
4719 (check_promoted_subreg): Call it. Rename to check_conversions.
4720 (combine_instructions): Rename check_promoted_subreg to
4722 (reg_truncated_to_mode): New function.
4723 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4724 (gen_lowpart_or_truncate): New function.
4725 (force_to_mode): Use it instead of gen_lowpart.
4727 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4729 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4730 VAR is a tag, not its type tag.
4732 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4734 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4735 alternatives to match style of other entries.
4736 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4738 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4740 PR tree-optimization/25771
4741 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4744 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4747 * tree-inline.c (declare_return_variable): If the return variable
4748 was marked as a non gimple complex, set the return slot variable
4749 to be a non gimple comple variable.
4751 2006-01-13 Richard Guenther <rguenther@suse.de>
4753 * builtins.c (expand_builtin_sincos): New function.
4754 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4756 (expand_builtin): Expand sincos using expand_builtin_sincos.
4758 2006-01-12 DJ Delorie <dj@redhat.com>
4760 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4761 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4762 so that constant shifts can be split.
4763 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4764 (m32c_valid_pointer_mode): Make static.
4765 (shift_gen_func_for): New.
4766 (m32c_prepare_shift): Use it. Split large const shifts into
4768 * config/m32c/predicates.md (shiftcount_operand): Allow more
4770 (longshiftcount_operand): New.
4771 * doc/md.texi (Machine Constraints): Document In6.
4773 2006-01-13 Ben Elliston <bje@au.ibm.com>
4775 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4776 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4779 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4781 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4782 to try to avoid clobbering pieces of structures when we know
4783 something about the whole structure.
4784 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4786 2006-01-13 Ben Elliston <bje@au.ibm.com>
4788 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4789 return in memory, as this is no limitation is no longer present.
4791 2006-01-12 DJ Delorie <dj@redhat.com>
4793 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4794 mova with fb, and for fb+0 -> An.
4796 * config/m32c/mov.md (peephole2): Fix enabling logic.
4798 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4799 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4800 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4801 FINI_ARRAY_SECTION_ASM_OP): Define.
4803 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4805 (m32c_legitimize_reload_address): New logic to reload FB to An.
4806 (m32c_output_reg_push): Add newline.
4807 (m32c_output_reg_pop): Likewise.
4809 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4811 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4813 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4815 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4817 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4819 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4822 2006-01-11 Ben Elliston <bje@au.ibm.com>
4824 * rtlanal.c (find_reg_note): Assert insn is not null.
4826 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4828 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4831 2006-01-11 Jeff Law <law@redhat.com>
4833 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4835 (mark_threaded_blocks, register_jump_thread): New functions.
4836 (thread_through_all_blocks): Remove unwanted argument. No
4837 longer rely on e->aux to communicate thread target info.
4838 Call mark_threaded_blocks. Release the threaded_blocks
4839 bitmap and threaded_edges vector when complete.
4840 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4841 (threaded_blocks): Remove.
4842 (tree_ssa_dominator_optimize): Remove initialization and
4843 finalization of threaded_blocks. Simplify call to
4844 thread_through_all_blocks.
4845 (thread_across_edge): Call register_jump_thread rather than
4846 storing thread information into e->aux.
4847 (free_all_edge_infos): Simplify now that e->aux is no longer
4848 used to communicate with thread_through_all_blocks.
4849 * tree-flow.h (thread_through_all_blocks): Update prototype.
4850 (register_jump_thread): Prototype.
4852 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4854 * df-core.c (df_compact_blocks, df_bb_replace): Use
4855 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4857 2006-01-11 Richard Guenther <rguenther@suse.de>
4859 PR tree-optimization/25734
4860 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4861 stop propagation after successful propagation to the LHS.
4863 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4865 * basic-block.h (control_flow_graph): Change the type of
4866 x_basic_block_info to VEC(basic_block,gc) *.
4867 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4869 (SET_BASIC_BLOCK): New.
4870 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4871 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4872 * cfgbuild.c (find_basic_blocks): Likewise.
4873 * cfglayout.c (fixup_reorder_chain): Likewise.
4874 * cfgrtl.c (create_basic_block_structure,
4875 rtl_create_basic_block): Likewise.
4876 * ifcvt.c (find_if_case_1): Likewise.
4877 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4880 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4882 * Makefile.in: Removed rotted odf.c entry.
4884 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4887 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4888 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4889 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4890 output pattern modifier, not %e.
4891 * config/cris/cris.c (cris_op_str): Update comment about pattern
4893 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4894 before falling through into...
4895 <case 'E'>: Redefined from old 'e' case.
4897 2006-01-11 Jan Hubicka <jh@suse.cz>
4900 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4902 2006-01-11 Jan Hubicka <jh@suse.cz>
4904 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4905 * i386.c (x86_decompose_lea): Kill.
4906 (ix86_rtx_costs): Kill.
4908 2006-01-11 Jan Hubicka <jh@suse.cz>
4910 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4911 * cgraph.h (cgraph_node): Add inline_decl.
4912 (cgraph_insert_node_to_hashtable): Declare.
4913 (save_inline_function_body): Declare.
4914 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4916 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4917 (cgraph_function_versioning): Update call of tree_function_versioning.
4918 (save_inline_function_body): New function.
4919 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4920 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4921 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4922 (cgraph_default_inline_p): Likewise.
4923 (cgraph_decide_inlining_incrementally): Likewise.
4924 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4925 (copy_bb): Kill saving; do updating of clones.
4926 (copy_cfg_body): Kill saving.
4927 (initialize_inlined-parameters): Likewise.
4928 (expand_call_inline): Likewise.
4930 (tree_function_versioning): New parameter "update_clones".
4931 (inlining_p): Kill saving.
4932 * tree-inline.h (tree_function_versioning): Update prototype.
4933 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4936 2006-01-11 Ian Lance Taylor <ian@airs.com>
4938 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4939 Allow undoing set of machine mode.
4940 (do_SUBST): Use enums instead of is_int.
4941 (do_SUBST_MODE): New function.
4942 (SUBST_MODE): New macro.
4943 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4944 reg and trying to replace reg_regno_rtx with a new register.
4945 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4946 (simplify_set): Use SUBST_MODE.
4947 (distribute_notes): Remove code that tried to update reg notes
4948 for regno_reg_rtx changes.
4950 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4952 PR tree-optimization/23109
4953 PR tree-optimization/23948
4954 PR tree-optimization/24123
4956 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4957 * tree-cfg.c (single_noncomplex_succ): New.
4958 * tree-flow.h (single_noncomplex_succ): Declare it.
4959 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4960 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4961 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4962 insert_bb, register_division_in, insert_reciprocals,
4963 replace_reciprocal, free_bb): New.
4964 (execute_cse_reciprocals_1): Rewritten.
4965 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4966 Do not commit any edge insertion. Always compute dominators and
4967 create the allocation pool.
4968 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4969 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4970 * targhooks.c (default_min_divistions_for_recip_mul): New.
4971 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4972 * passes.c (init_optimization_passes): Run recip after tree loop
4974 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4976 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4977 Kenneth Zadeck <zadeck@naturalbridge.com>
4979 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4980 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4981 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4982 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4983 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4984 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4985 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4986 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4987 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4988 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4989 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4990 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4991 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4992 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4993 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4994 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4995 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4996 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4997 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4998 DF_SCAN_POST_ALLOC): New macros.
4999 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5000 df_free_bb_function, df_local_compute_function, df_init_function,
5001 df_dataflow_function, df_confluence_function_0,
5002 df_confluence_function_n, df_transfer_function,
5003 df_finalizer_function, df_free_function, df_dump_problem_function,
5004 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5005 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5006 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5007 df_urec_bb_info, ) New types.
5008 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5010 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5011 df_analyze_simple_change_some_blocks,
5012 df_analyze_simple_change_one_block, df_compact_blocks,
5013 df_bb_replace, df_bb_regno_last_use_find,
5014 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5015 df_insn_regno_def_p, df_find_def, df_find_use,
5016 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5017 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5018 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5019 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5020 debug_df_chain, df_get_dependent_problem, df_chain_create,
5021 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5022 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5023 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5024 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5025 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5026 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5027 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5028 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5029 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5030 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5031 df_reorganize_refs, df_set_state, df_hard_reg_init,
5032 df_read_modify_subreg_p) New public functions.
5033 * df-core.c: The core dataflow solver and glue routines for rtl
5035 (df_init, df_add_problem, df_set_blocks, df_finish,
5036 df_hybrid_search_forward, df_hybrid_search_backward,
5037 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5038 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5039 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5040 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5041 df_reg_defined, df_find_use, df_reg_used, df_dump,
5042 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5043 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5044 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5045 debug_df_useno, reset_df_after_reload): New functions.
5046 * df-scan.c: The scanning fuctions, once in df.c, completely
5047 rewritten so that they now fully model the functionality of
5048 register usage at the backend.
5049 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5050 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5051 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5052 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5053 df_get_artificial_defs, df_get_artificial_uses,
5054 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5055 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5056 df_refs_delete, df_reorganize_refs, df_set_state,
5057 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5058 df_def_record_1, df_defs_record, df_uses_record,
5059 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5060 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5061 df_record_exit_block_uses, df_hard_reg_init): New functions.
5063 * df-problems.c: Seven concrete dataflow problems that use the
5064 scanning in df-scan.c and are solved by the engine in df-core.c.
5065 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5066 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5067 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5068 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5069 df_ru_free_bb_info, df_ru_alloc,
5070 df_ru_bb_local_compute_process_def,
5071 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5072 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5073 df_ru_transfer_function, df_ru_free, df_ru_dump,
5074 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5075 df_rd_free_bb_info, df_rd_alloc,
5076 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5077 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5078 df_rd_transfer_function, df_rd_free, df_rd_dump,
5079 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5080 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5081 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5082 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5083 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5084 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5085 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5086 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5087 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5088 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5089 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5090 df_urec_mark_reg_use_for_earlyclobber,
5091 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5092 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5093 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5094 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5095 df_chain_create_bb_process_use, df_chain_create_bb,
5096 df_chain_finalize, df_chain_free, df_chains_dump,
5097 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5098 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5099 df_reg_lifetime): New functions.
5100 * df.c: Deleted file.
5101 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5102 consistent with new df api.
5103 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5104 rest_of_handle_sms): Ditto.
5105 * web.c (unionfind_union, union_defs, entry_register, web_main):
5107 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5108 invariant_expr_equal_p, find_defs, check_dependencies,
5109 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5110 free_inv_motion_data, move_loop_invariants): Ditto.
5111 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5112 Update dependencies.
5113 (odf.c): Added defective entry that was deleted later in day.
5114 * sched-deps.c (sched_analyze_1): Ditto.
5116 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5118 * tree-ssa-operands.c (get_expr_operands): Record addressable
5119 variables directly. Do not call add_stmt_operands for CONST_DECLs
5121 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5122 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5124 2006-01-11 Ben Elliston <bje@au.ibm.com>
5126 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5127 function returns true in the positive case.
5129 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5132 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5133 for SI, DI, SF and DF modes. Add alternatives to copy between
5134 general and floating point registers to the 32-bit patterns.
5135 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5136 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5137 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5138 generating 64-bit code.
5139 * config/pa/pa.c (output_move_double): Handle copies between general
5140 and floating registers.
5142 2006-01-10 Stuart Hastings <stuart@apple.com>
5144 * config/i386/i386.md (set_got): Update.
5145 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5146 (builtin_setjmp_receiver): Mach-O support.
5147 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5148 (GOT_SYMBOL_NAME): Define.
5149 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5150 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5151 * config/i386/i386.c (override_options): Revise for Darwin.
5152 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5153 support. (darwin_x86_file_end): New. (output_set_got): Add label
5154 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5155 * config/i386/i386-protos.h (output_set_got): Likewise.
5156 * config/darwin.c (machopic_legitimize_pic_address): Update
5159 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5161 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5162 when MODE isn't BLKmode.
5164 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5166 PR rtl-optimization/25367
5167 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5169 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5172 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5173 for a negative bound.
5175 2006-01-10 Richard Guenther <rguenther@suse.de>
5177 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5178 Never override with anything constraint.
5180 2006-01-10 Jan Beulich <jbeulich@novell.com>
5182 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5183 256 bits when optimize_size.
5185 2006-01-10 Jan Beulich <jbeulich@novell.com>
5187 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5189 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5190 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5193 2006-01-10 Ben Elliston <bje@au.ibm.com>
5195 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5197 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5198 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5199 (USE_FP_FOR_ARG): Reject decimal float modes.
5200 (function_arg_advance): Likewise.
5201 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5202 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5203 point types in AltiVec vectors.
5204 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5205 (rs6000_libcall_value): Likewise.
5207 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5209 * config/xtensa/ieee754-df.S: New file.
5210 * config/xtensa/ieee754-sf.S: New file.
5211 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5212 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5213 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5215 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5217 * config/sh/predicates.md (binary_float_operator,
5218 binary_logical_operator, commutative_float_operator,
5219 equality_comparison_operator, greater_comparison_operator,
5220 less_comparison_operator, logical_operator,
5221 noncommutative_float_operator, shift_operator,
5222 symbol_ref_operand, unary_float_operator): Remove redundant
5225 2006-01-09 Jeff Law <law@redhat.com>
5227 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5228 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5229 now unused arguments. Callers updated.
5230 (eliminate_redundant_computations): Remove now unused arguments,
5232 (local_fold): Remove, no longer used.
5233 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5235 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5236 (simplify_cond): New function.
5237 (forward_propagate_into_cond): Call simplify_cond.
5239 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5241 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5242 (*vec_extractv2di_1_sse): New.
5244 2006-01-09 Ben Elliston <bje@au.ibm.com>
5246 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5248 2006-01-08 Richard Guenther <rguenther@suse.de>
5250 * tree-ssa-structalias.c (get_constraint_for): Remove
5252 (get_constraint_for_component_ref): Likewise.
5253 (do_deref): Likewise.
5254 (get_constraint_for): Likewise.
5255 (do_structure_copy): Likewise.
5256 (handle_ptr_arith): Likewise.
5257 (find_func_aliases): Likewise. Remove unused need_anyoffset
5260 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5261 Kaz Kojima <kkojima@gcc.gnu.org>
5263 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5264 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5265 (EXTRA_CONSTRAINT_C16): Remove.
5266 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5267 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5268 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5269 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5270 constants of SHmedia. Handle nested constant expressions of
5272 (andcosts): Fix the costs for SHmedia constants.
5273 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5274 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5275 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5276 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5277 (movv4hi_i, movv2si_i): Likewise.
5278 (movsi_const): Adjust the second operand of ior so to match with
5280 (movdi_const, movdi_const_32bit): Likewise.
5281 (movdi_const_16bit+1): Don't sign-extend LOW.
5282 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5284 (*double_shori): Fix the split condition. Use GEN_INT instead
5285 of get_int_mode calls. Mask lower 16-bit of the argument of
5287 (sym2GOTPLT): Remove.
5288 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5290 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5291 instead of EXTRA_CONSTRAINT_C16.
5293 2006-01-07 Ian Lance Taylor <ian@airs.com>
5294 David Edelsohn <edelsohn@gnu.org>
5296 PR rtl-optimization/25662
5297 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5298 for constant operands instead of simplify_gen_binary.
5299 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5300 after trying simplify_binary_operation
5302 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5304 * tree.c (iterative_hash_expr): Hash decls based on UID.
5306 2006-01-06 Eric Christopher <echristo@apple.com>
5308 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5309 (TARGET_UNWIND_EMIT): Fix spelling.
5310 * target.h (gcc_target): Add except_table_label.
5311 * except.c (output_function_exception_table): Use.
5312 * varasm.c (default_emit_except_table_label): New.
5313 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5315 (asm_out): Add here.
5316 * output.h (default_emit_except_table_label): Prototype.
5317 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5318 * config/darwin.c (darwin_emit_except_table_label): Define.
5319 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5321 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5323 PR tree-optimization/18527
5324 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5325 number_of_iterations_special, number_of_iterations_exit):
5326 Move base and step of an iv to a single structure. Add
5327 no_overflow flag, and use it in # of iterations analysis.
5328 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5329 folded_casts argument.
5330 (simple_iv): Pass base and step in a structure. Set no_overflow
5332 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5333 Evaluate expensiveness of computing # of iterations instead of
5334 the final expression.
5335 * tree-scalar-evolution.h (affine_iv): New structure.
5336 (simple_iv): Declaration changed.
5337 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5338 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5339 find_givs_in_stmt): Changed due to simple_iv change.
5341 2006-01-06 Jeff Law <law@redhat.com>
5344 * tree-cfg.c (bsi_replace): Rename final argument from
5345 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5346 change (stmt -> orig_stmt).
5347 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5348 (bsi_remove): Add new argument. Remove EH information
5350 (verify_eh_throw_table_statements): New function.
5351 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5353 * tree-optimize.c (execute_free_cfg_annotations): Verify
5354 the EH throw statement table after removing annotations.
5355 * except.h (verify_eh_throw_table_statements): Prototype.
5356 * tree-flow.h (bsi_remove): Update prototype.
5357 * tree-vrp.c (remove_range_assertions): Add new argument to
5359 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5360 * tree-complex.c (expand_complex_div_wide): Likewise.
5361 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5362 * tree-tailcall.c (eliminate_tailcall): Likewise.
5363 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5364 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5365 * tree-nrv.c (tree_nrv): Likewise.
5366 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5367 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5368 (combine_blocks): Likewise.
5369 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5370 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5371 (cleanup_control_flow): Likewise.
5372 (remove_forwarder_block): Likewise.
5373 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5374 * tree-sra.c (sra_replace): Likewise.
5375 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5376 (forward_propagate_single_use_vars): Likewise.
5377 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5378 * tree-inline.c (expand_call_inline): Likewise.
5379 * tree-vect-transform.c (vect_transform_loop): Likewise.
5380 * tree-outof-ssa.c (rewrite_trees): Likewise.
5381 * tree-cfg.c (make_goto_expr_edges): Likewise.
5382 (cleanup_dead_labels): Likewise.
5383 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5384 (bsi_move_before, bsi_move_after): Likewise.
5385 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5386 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5388 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5391 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5393 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5394 on non gimple variables. Also add checks at the top for decls and
5396 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5398 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5399 and IMAGPART_EXPR for creating MUST_DEFs.
5400 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5401 and NAME_MEMORY_TAG separately from the DECLs.
5403 2006-01-06 Richard Guenther <rguenther@suse.de>
5405 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5406 annotation, if necessary.
5407 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5408 redundant calls to update_stmt.
5409 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5412 2006-01-05 Richard Henderson <rth@redhat.com>
5414 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5416 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5418 * c-typeck.c: Update copyright date.
5420 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5422 * c-typeck.c (build_c_cast): Always warn when casting
5423 from a pointer to an integer of different size, even if
5424 the node was constant.
5426 2006-01-05 Richard Guenther <rguenther@suse.de>
5428 PR tree-optimization/22555
5429 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5430 if one structure field is an array.
5431 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5432 operands even if we found a subvar, but ignore VOPs in this
5434 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5436 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5438 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5441 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5443 2006-01-05 Richard Guenther <rguenther@suse.de>
5444 Diego Novillo <dnovillo@redhat.com>
5446 * tree-pass.h (TODO_remove_unused_locals): Define.
5447 * gimple-low.c (expand_var_p, remove_useless_vars,
5448 pass_remove_useless_vars): Remove. Update all users.
5449 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5450 (remove_unused_locals): New function.
5451 * tree-flow.h (remove_unused_locals): Declare.
5452 * passes.c (execute_todo): Call remove_unused_locals if
5453 TODO_remove_unused_locals is set.
5454 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5455 * tree-ssa-dce.c (pass_dce): Likewise.
5456 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5458 2006-01-05 Richard Guenther <rguenther@suse.de>
5460 * tree-flow.h (struct fieldoff): Decompose field to
5461 type, size and decl.
5462 * tree-ssa-alias.c (create_sft): Take type as parameter.
5463 (create_overlap_variables_for): Store type, size and decl
5464 in the fieldoff structure.
5465 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5467 (push_fields_onto_fieldstack): Likewise.
5468 (create_variable_info_for): Likewise. Use offset for the
5469 SFT name if the decl is not available.
5471 2006-01-04 Paul Brook <paul@codesourcery.com>
5473 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5475 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5477 * lambda-code.c (can_put_in_inner_loop): Relax
5479 (can_put_after_inner_loop): New function.
5480 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5481 (perfect_nestify): Change to make copies and modify uses.
5483 2006-01-04 Richard Henderson <rth@redhat.com>
5485 Merge from gomp branch:
5486 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5487 via integer constant.
5488 (pragma_lex): Remove.
5489 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5490 rather than parsing it.
5491 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5492 handle_pragma_extern_prefix): Add %< %> quotes.
5493 (registered_pragmas): New.
5494 (c_register_pragma_1): New.
5495 (c_register_pragma): Use it.
5496 (c_register_pragma_with_expansion): Likewise.
5497 (c_invoke_pragma_handler): New.
5498 (init_pragma): Use cpp_register_deferred_pragma directly for
5500 * c-pragma.h (enum pragma_kind): New.
5501 (pragma_handler): New.
5502 (c_invoke_pragma_handler): Declare.
5503 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5505 * c-common.h (c_common_pch_pragma): Update decl.
5506 * Makefile.in (c-parser.o): Update dependencies.
5507 (GTFILES): Add c-pragma.h.
5508 * c-parser.c (struct c_token): Add pragma_kind.
5509 (struct c_parser): Add in_pragma.
5510 (c_lex_one_token): Always initialize keyword and pragma_kind.
5511 Extract data for CPP_PRAGMA.
5512 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5513 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5514 Don't allow CPP_PRAGMA_EOL if in_pragma.
5515 (c_parser_consume_pragma): New.
5516 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5517 (c_parser_skip_to_end_of_parameter): Likewise.
5518 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5519 (c_parser_skip_to_pragma_eol): New.
5520 (c_parser_external_declaration): Handle CPP_PRAGMA.
5521 (c_parser_compound_statement_nostart): Likewise.
5522 (c_parser_statement_after_labels): Likewise.
5523 (c_parser_pragma): New.
5524 (pragma_lex): Likewise.
5525 (c_parser_pragma_pch_preprocess): New.
5526 (c_parser_new): Merge into ...
5527 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5529 2006-01-04 Jeff Law <law@redhat.com>
5532 * tree-cfg.c (bsi_replace): Remove the original statement
5533 from the EH throw statement table.
5535 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5537 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5538 make the prototype extern "C" and add throw ().
5541 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5542 and pos non-negative and pos + len <= 32.
5543 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5544 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5545 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5548 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5549 as well as sizes not multiple of component size.
5552 * function.c (instantiate_expr): New function.
5553 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5554 walk its DECL_VALUE_EXPR with instantiate_expr.
5556 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5557 DW_OP_deref{,_size} if address isn't going to be added.
5559 2006-01-04 Ben Elliston <bje@au.ibm.com>
5561 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5562 * config/fp-bit.c: Likewise.
5564 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5566 * dominance.c: Add comment about why we use DFS numbering
5569 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5570 Richard Henderson <rth@redhat.com>
5572 Merge from gomp-branch:
5573 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5574 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5576 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5578 PR rtl-optimization/25578
5579 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5580 pass a parameter to simplify_shift_const if changing ASHIFTRT
5583 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5585 * builtins.c (get_builtin_sync_mem): New function.
5586 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5587 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5588 Call get_builtin_sync_mem to generate mem rtx.
5590 2006-01-03 Richard Guenther <rguenther@suse.de>
5593 * stmt.c (add_case_node): Make sure to clear overflow flags
5596 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5598 Merge from gomp-branch.
5599 * config/sparc/sync.md: New file.
5600 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5601 UNSPECV_LDSTUB): New constants.
5602 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5603 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5604 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5607 2006-01-03 Roger Sayle <roger@eyesopen.com>
5609 * combine.c (reg_subword_p): New predicate to test whether the
5610 destination of a set refers to a subword/piece of a register.
5611 (try_combine): Generalize the code to merge the setting of a
5612 pseudo to a constant followed by a set of a subword of that
5613 register to a constant.
5615 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5617 * basic-block.h (control_flow_graph): Change the type of
5618 x_label_to_block_map to VEC(basic_block,gc) *.
5619 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5620 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5622 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5623 VEC(basic_block,heap) *.
5624 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5625 ssa_prop_fini): Adjust the uses of cfg_blocks.
5627 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5629 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5631 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5632 hashing trees instead of a pointer hash.
5633 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5634 compare for MEM_EXPR.
5636 PR rtl-optimization/25130
5637 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5638 when comparing MEMs for GCSE
5640 2006-01-03 Ben Elliston <bje@au.ibm.com>
5642 * targhooks.h (default_decimal_float_supported_p): Declare.
5643 * targhooks.c (default_decimal_float_supported_p): Define.
5644 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5645 `default_decimal_float_supported_p'.
5646 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5648 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5650 * combine.c (apply_distributive_law <SUBREG>): Check
5651 TRULY_NOOP_TRUNCATION.
5653 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5655 * dwarf2out.c (have_switched_text_section): Delete.
5656 (have_multiple_function_sections): New.
5657 (have_location_lists): Make 'bool'.
5658 (add_AT_loc_list): Use 'true' not '1'.
5659 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5660 (output_loc_list): Use have_multiple_function_sections.
5661 (output_ranges): Likewise.
5662 (dwarf2out_begin_function): Set have_multiple_function_sections if
5664 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5665 Check function_section rather than DECL_SECTION_NAME.
5666 (dwarf2out_finish): Use have_multiple_function_sections.
5667 Don't clear have_location_lists.
5669 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5670 Jan Hubicka <jh@suse.cz>
5672 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5673 case of conditional jump jumping to the next instruction.
5674 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5675 cases of conditional jump jumping to the next instruction.
5677 2006-01-02 Jan Hubicka <jh@suse.cz>
5679 * i386.c (*_cost): Add COSTS_N_INSNS.
5680 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5682 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5685 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5687 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5689 * config/arm/arm.c (all_fpus): Fix comment typo.
5690 * config/darwin.c: Likewise.
5691 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5692 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5693 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5695 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5697 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5698 (rs6000_split_compare_and_swapqhi): New.
5699 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5700 (sync_compare_and_swapqhi_internal): New.
5701 * config/rs6000/rs6000-protos.h: Declare.