1 2006-02-24 Roger Sayle <roger@eyesopen.com>
4 * combine.c (try_combine): Explicitly check whether GET_CODE is
5 a SET or a CLOBBER, instead on checking that it isn't a USE.
7 2006-02-24 Roger Sayle <roger@eyesopen.com>
9 * fold-const.c (fold_comparison): New subroutine of fold_binary
10 containing transformations common to both the equality and
11 ordering relational operators, factored out of fold_binary.
12 (fold_binary): Separate out the equality operators (EQ_EXPR
13 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15 transformations common to both.
16 (fold_div_compare): Fix latent bugs in the previously unreachable
17 LT_EXPR and GE_EXPR cases.
19 2006-02-24 David Edelsohn <edelsohn@gnu.org>
21 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
22 decl libname for clog to __clog on AIX.
24 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
26 2006-02-24 Alan Modra <amodra@bigpond.net.au>
29 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
30 output traceback table for thunks. Localise rs6000_stack_info call.
32 2006-02-23 Roger Sayle <roger@eyesopen.com>
33 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
35 * gthr-posix.h (__gthrw): Fix typo in comment.
37 2006-02-23 Geoffrey Keating <geoffk@apple.com>
39 * doc/cpp.texi (Character sets): Document that we do support
40 input files to be in any character set.
42 2006-02-23 Jeff Law <law@redhat.com>
44 * tree.h (PHI_ARG_NONZERO): Remove.
45 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
46 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
49 PR tree-optimization/26425
50 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
51 min/max, then assume its varying.
53 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
55 PR rtl-optimization/26316
56 * rtlanal.c (enum may_trap_p_flags): New.
57 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
58 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
59 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
60 (may_trap_after_code_motion_p): New function.
61 * loop-invariant.c (find_identical_invariants): Fix dump formating.
62 (find_invariant_insn): Use may_trap_after_code_motion_p.
63 * rtl.h (may_trap_after_code_motion_p): Declare.
65 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
67 * emit-rtl.c (immed_double_const): Cleanup.
69 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
71 Fix PR tree-optimization/26376
72 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
75 2006-02-23 Jakub Jelinek <jakub@redhat.com>
78 * gimplify.c (omp_add_variable): Guard variable size decl test with
79 DECL_SIZE (decl) check.
81 2006-02-23 Richard Guenther <rguenther@suse.de>
84 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
87 2006-02-23 Jakub Jelinek <jakub@redhat.com>
89 * configure.ac: Add --with{,out}-long-double-128 configure option.
90 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
93 * doc/install.texi (Options specification): Document
94 --with-long-double-128.
96 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
97 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
98 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
99 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
101 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
103 * config/s390/s390.c (override_options): Handle
104 TARGET_DEFAULT_LONG_DOUBLE_128.
106 * config/alpha/alpha.c (override_options): Handle
107 TARGET_DEFAULT_LONG_DOUBLE_128.
109 * config/sparc/sparc.c (sparc_override_options): Handle
110 TARGET_DEFAULT_LONG_DOUBLE_128.
112 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
114 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
115 (real-install-headers-tar, real-install-headers-cpio)
116 (real-install-headers-cp): New targets.
118 2006-02-22 Richard Sandiford <richard@codesourcery.com>
120 * tree.h (variable_section): Delete.
121 * varasm.c (variable_section): Delete.
123 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
125 * install.texi: Add notes on install.texi2html.
126 (Building in parallel): Do not use footnotes.
128 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
131 * doc/install.texi (Configuration): Document --disable-libgomp.
133 2006-02-21 Geoffrey Keating <geoffk@apple.com>
135 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
137 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
139 * config/i386/sse.md (vec_extractv2df_1_sse): New.
140 (vec_extractv2df_0_sse): New.
142 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
144 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
145 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
146 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
147 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
148 to the result of the expression.
150 (frame_pointer_cfa_offset): Rename to...
151 (frame_pointer_fb_offset): ... this. Adjust all uses.
152 (convert_cfa_to_loc_list): Rename to...
153 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
154 Pass it on to build_cfa_loc.
155 (compute_frame_pointer_to_cfa_displacement): Rename to...
156 (compute_frame_pointer_to_fb_displacement): ... this. New
157 offset parameter. Use it in computation.
158 (gen_subprogram_die): Compute cfa_fb_offset with the new
159 macro, and use it to compute the fb loc list and the
162 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
164 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
165 replaced with register_operand.
166 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
167 non-DREG is expensive.
168 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
169 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
172 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
174 * doc/install.texi2html: Use set -e.
176 2006-02-21 Richard Sandiford <richard@codesourcery.com>
178 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
179 (ASM_OUTPUT_SHARED_LOCAL): Delete.
180 * doc/invoke.texi (-fshared-data): Delete.
181 * common.opt (fshared-data): Delete.
182 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
183 (assemble_static_space): Remove #if 0 code.
184 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
185 (ASM_OUTPUT_SHARED_LOCAL): Poison.
186 * config/cris/cris.h: Remove FIXME.
188 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
190 * doc/sourcebuild.texi (Front End Directory): No more double-colon
193 2006-02-21 Jakub Jelinek <jakub@redhat.com>
196 * combine.c (simplify_shift_const_1): Disable nested shifts
197 optimization for vector shifts.
199 2006-02-20 Roger Sayle <roger@eyesopen.com>
201 PR tree-optimization/26361
202 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
203 of unsigned integer types.
205 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
207 * tree-chrec.c (eq_evolutions_p): New.
208 * tree-chrec.h (eq_evolutions_p): Declared.
209 * tree-data-ref.c: Fix formatting.
210 (datadep_stats, dependence_stats): New.
212 (print_direction_vector): New.
213 (dump_data_dependence_relation): Use print_direction_vector.
214 (object_analysis, create_data_ref): Handle COMPONENT_REF.
215 (compute_subscript_distance): Static.
216 (initialize_data_dependence_relation): Static. Get the number
217 of loops surrounding the references from the callers, and initialize
218 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
219 base_object_differ_p analyzers.
220 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
221 compute_overlap_steps_for_affine_1_2,
222 analyze_subscript_affine_affine): Count the classified dependences.
223 Print a message when a test failed.
224 (can_use_analyze_subscript_affine_affine): New.
225 (analyze_siv_subscript): Compute the data dependences on symbolic
226 scevs that verify can_use_analyze_subscript_affine_affine.
227 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
228 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
229 Handle symbolic scevs.
230 (analyze_overlapping_iterations): Let symbolic affine scevs to be
232 (subscript_dependence_tester): Moved...
233 (build_classic_dist_vector, build_classic_dir_vector): Don't use
234 lambda_vector_clear on newly allocated vectors. Get nb_loops from
235 DDR_SIZE_VECT instead of getting it in parameter.
236 (subscript_dependence_tester): ... here. Take as a parameter
237 loop_nest_depth. Call build_classic_dist_vector and
238 build_classic_dir_vector.
239 (compute_affine_dependence): Update subscript_dependence_tester
240 parameters. Update datadep_stats counters. Call
241 compute_subscript_distance.
242 (compute_self_dependence): Save the dist and dir vectors. Call
243 compute_subscript_distance.
244 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
245 (compute_all_dependences): Reorder parameters as they were before
246 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
247 compute_subscript_distance. Update the use of
248 compute_affine_dependence and initialize_data_dependence_relation.
249 (find_data_references_in_loop): Handle COMPONENT_REF.
250 (compute_data_dependences_for_loop): Initialize dependence_stats.
251 Don't call build_classic_dist_vector and build_classic_dir_vector.
252 Update the parameters of initialize_data_dependence_relation and
253 compute_all_dependences. Print the statistics from datadep_stats.
254 (analyze_all_data_dependences): Static. Not used until the pass for
255 checking the data dependences is contributed.
256 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
257 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
258 (initialize_data_dependence_relation, compute_affine_dependence,
259 analyze_all_data_dependences, compute_subscript_distance): Removed.
260 (print_direction_vector): New.
261 * lambda.h (gcd): ... here.
262 (lambda_vector_gcd): Moved here from gcd_vector.
263 * lambda-code.c (gcd, gcd_vector): Removed.
264 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
265 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
267 2006-02-20 Diego Novillo <dnovillo@redhat.com>
269 * ipa-type-escape.c: Tidy some comments and white space.
270 * tree-ssa-operands.c: Likewise.
272 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
275 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
276 (dump_decl_name): Do not walk the decl tree chains.
277 * tree-pass.h (TDF_CHAIN): Remove.
279 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
281 * Makefile.in (C): Remove
283 (.PHONY): Remove C and PROTO
285 2006-02-20 Roger Sayle <roger@eyesopen.com>
288 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
289 deprecated CHAR_TYPE tree code.
291 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
293 * configure.ac (target_list): Add install-info, dvi, html.
294 * configure: Regenerate.
296 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
297 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
298 treelang/Make-lang.in: Do not use double-colon rules.
300 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
302 * tree.h (struct tree_memory_tag): Add is_used_alone member.
303 (TMT_USED_ALONE): New macro.
304 * tree-pass.h (PROP_tmt_usage): New property.
305 (TODO_update_tmt_usage): New todo.
306 * tree-ssa-alias.c (updating_used_alone): New variable.
307 (recalculate_used_alone): New function.
308 (compute_may_aliases): Set updating_used_alone, call
309 recalculate_used_alone.
310 * tree-sra.c (pass_sra): Note that this pass destroys
311 PROP_tmt_usage, and add TODO_update_tmt_usage.
312 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
313 * tree-flow.h (updating_used_alone): Prototype.
314 (recalculate_used_alone): Ditto.
315 * passes.c (execute_todo): Add code to set updating_used_alone,
316 and call recalculate.
317 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
318 for clobber if used alone, and add assert to verify used_alone
321 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
323 * config/s390/s390.c (legitimize_pic_address): Assertions checking
324 for non tls symbols added.
325 (legitimize_address): Do nothing for PLUS expressions if one of the
326 addends is a tls symbol reference.
328 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
332 * Makefile.in (LDFLAGS): Define from autoconf substitution.
334 * Makefile.in (BOOTSTRAPPING): New.
335 (quickstrap): New definition if BOOTSTRAPPING=yes.
337 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
338 * configure.ac: Substitute all_selected_languages with the languages
339 that were configured. For all the other variables except
340 lang_specs_files, include all the languages in the tree.
341 * configure: Regenerate.
343 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
344 if there is one. Run the commands to run fixincludes in the same
347 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
348 * doc/install.texi: Document exact conventions for searching target tools.
349 Document --with-build-time-tools. Document toplevel bootstrap. Document
350 something more about building an Ada cross-compiler. Don't list GNU Make
351 requirements which affect all platforms.
353 2006-02-19 Roger Sayle <roger@eyesopen.com>
356 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
357 only equivalent if the have both the same mode and precision.
359 2006-02-20 Ben Elliston <bje@au.ibm.com>
361 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
363 2006-02-19 Roger Sayle <roger@eyesopen.com>
364 Steven Bosscher <stevenb.gcc@gmail.com>
366 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
367 constant pool references to identify stack mode constants.
368 * rtlanal.c (constant_pool_constant_p): New predicate to check
369 whether operand is a floating point constant in the pool.
370 * rtl.h (constant_pool_constant_p): Prototype here.
371 * loop.c (scan_loop): Avoid hoisting constants from the constant
372 pool on STACK_REGS targets.
373 (load_mems): Likewise.
374 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
375 loads into x87 registers expensive in terms of register pressure.
377 2006-02-19 Roger Sayle <roger@eyesopen.com>
379 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
380 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
382 2006-02-19 David Edelsohn <edelsohn@gnu.org>
384 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
385 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
387 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
389 * doc/invoke.texi: Document -fipa-pta.
390 * common.opt: Add ipa-pta option.
391 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
392 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
393 (do_ds_constraint): Ditto.
394 (get_constraint_for): Only add to referenced_vars if
395 referenced_vars exists.
396 (insert_into_field_list): Rewrite to do this unsorted.
397 (insert_into_field_list_sorted): Rename old insert_into_field_list
399 (create_function_info_for): Use insert_into_field_list_sorted.
400 (create_variable_info_for): Rewrite so it uses unsorted version,
401 since the field list is sorted.
402 (intra_create_variable_infos): Only add to referenced_vars if
403 referenced_vars exists.
404 (ipa_pta_execute): Init heapvars, and delete when done.
405 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
407 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
409 * doc/install.texi: Add missing `@samp'.
411 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
413 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
416 2006-02-18 Mark Wielaard <mark@klomp.org>
418 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
419 who added new 4.1 features, bug fixes and integration support.
421 2006-02-18 David Edelsohn <edelsohn@gnu.org>
424 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
427 2006-02-18 Richard Sandiford <richard@codesourcery.com>
429 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
430 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
431 (copy_insn_1): Likewise. Don't copy each field individually.
433 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
435 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
436 * rtl.c (rtx_size): Rename variable to...
437 (rtx_code_size): ...this.
438 (rtx_size): New function.
439 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
440 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
442 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
443 * rtl.h (rtx_code_size): New variable.
444 (rtx_size): Change from a variable to a function.
445 (RTX_SIZE): Rename to...
446 (RTX_CODE_SIZE): ...this.
449 PR tree-optimization/17106
450 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
451 (Anchored Addresses): New section.
452 * doc/invoke.texi (-fsection-anchors): Document.
453 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
454 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
455 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
456 * hooks.c (hook_bool_mode_rtx_false): New function.
457 * hooks.h (hook_bool_mode_rtx_false): Declare.
458 * gengtype.c (create_optional_field): New function.
459 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
460 SYMBOL_REF_IN_BLOCK_P is true.
461 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
462 (min_anchor_offset, max_anchor_offset): Likewise.
463 (use_anchors_for_symbol_p): New hook.
464 * toplev.c (compile_file): Call output_object_blocks.
465 (target_supports_section_anchors_p): New function.
466 (process_options): Check that -fsection-anchors is only used on
467 targets that support it and when -funit-at-a-time is in effect.
468 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
469 if the decl doesn't have one.
470 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
471 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
472 of force_const_mem through use_anchored_address.
473 (expand_expr_constant): New function.
474 (expand_expr_addr_expr_1): Call it. Use the same modifier when
475 calling expand_expr for INDIRECT_REF.
476 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
477 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
478 * expr.h (use_anchored_address): Declare.
479 * loop-unroll.c: Don't declare rtx vectors here.
480 * explow.c: Include output.h.
481 (validize_mem): Call use_anchored_address.
482 (use_anchored_address): New function.
483 * common.opt (-fsection-anchors): New switch.
484 * varasm.c (object_block_htab, anchor_labelno): New variables.
485 (hash_section, object_block_entry_eq, object_block_entry_hash)
486 (use_object_blocks_p, get_block_for_section, create_block_symbol)
487 (use_blocks_for_decl_p, change_symbol_section): New functions.
488 (get_variable_section): New function, split out from assemble_variable.
489 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
490 use_blocks_for_decl_p say so. Use change_symbol_section if the
491 symbol has already been created.
492 (assemble_variable_contents): New function, split out from...
493 (assemble_variable): ...here. Don't output any code for
494 block symbols; just pass them to place_block_symbol.
495 Use get_variable_section and assemble_variable_contents.
496 (get_constant_alignment, get_constant_section, get_constant_size): New
497 functions, split from output_constant_def_contents.
498 (build_constant_desc): Create a block symbol if use_object_blocks_p
499 says so. Or into SYMBOL_REF_FLAGS.
500 (assemble_constant_contents): New function, split from...
501 (output_constant_def_contents): ...here. Don't output any code
502 for block symbols; just pass them to place_section_symbol.
503 Use get_constant_section and get_constant_alignment.
504 (force_const_mem): Create a block symbol if use_object_blocks_p and
505 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
506 (output_constant_pool_1): Add an explicit alignment argument.
507 Don't switch sections here.
508 (output_constant_pool): Adjust call to output_constant_pool_1.
509 Switch sections here instead. Don't output anything for block symbols;
510 just pass them to place_block_symbol.
511 (init_varasm_once): Initialize object_block_htab.
512 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
513 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
514 (place_block_symbol, get_section_anchor, output_object_block)
515 (output_object_block_htab, output_object_blocks): New functions.
516 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
517 (TARGET_ASM_OUT): Include it.
518 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
519 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
520 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
521 (TARGET_INITIALIZER): Include them.
522 * rtl.c (rtl_check_failed_block_symbol): New function.
523 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
524 (block_symbol, object_block): New structures.
525 (rtx_def): Add a block_symbol field to the union.
526 (BLOCK_SYMBOL_CHECK): New macro.
527 (rtl_check_failed_block_symbol): Declare.
528 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
529 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
530 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
531 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
532 * output.h (output_section_symbols): Declare.
533 (object_block): Name structure.
534 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
535 (default_use_anchors_for_symbol_p): Declare.
536 * Makefile.in (RTL_BASE_H): Add vec.h.
537 (explow.o): Depend on output.h.
538 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
539 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
540 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
541 (rs6000_use_blocks_for_constant_p): New function.
543 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
545 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
547 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
550 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
553 2006-02-18 Diego Novillo <dnovillo@redhat.com>
555 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
559 2006-02-18 Jakub Jelinek <jakub@redhat.com>
562 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
563 instead of DECL_REGISTER.
565 2006-02-18 Olivier Hainque <hainque@adacore.com>
568 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
570 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
573 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
574 * opth-gen.awk: Handle Var and InverseMask together.
575 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
576 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
577 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
578 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
580 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
581 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
582 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
583 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
584 LINUX_DYNAMIC_LINKER): Define.
585 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
586 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
588 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
589 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
590 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
592 (TARGET_C99_FUNCTIONS): Don't define.
593 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
594 GLIBC_DYNAMIC_LINKER.
595 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
596 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
597 GLIBC_DYNAMIC_LINKER64): Define.
598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
599 LINUX_DYNAMIC_LINKER64.
600 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
602 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
604 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
606 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
607 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
608 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
610 and LINUX_DYNAMIC_LINKER32.
611 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
612 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
613 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
615 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
617 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
618 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
619 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
620 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
621 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
622 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
623 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
624 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
625 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
626 LINUX_DYNAMIC_LINKER): Define.
627 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
628 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
629 GLIBC_DYNAMIC_LINKER64): Define.
630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
631 LINUX_DYNAMIC_LINKER64.
632 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
633 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
634 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
635 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
636 LINUX_DYNAMIC_LINKER): Define.
637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
638 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
639 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
640 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
641 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
642 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
643 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
644 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
645 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
646 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
648 * doc/invoke.texi (-muclibc): Remove caveat about supported
651 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
653 * doc/cpp.texi (__TIMESTAMP__): Document.
655 2006-02-17 Roger Sayle <roger@eyesopen.com>
658 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
659 C is one less than the width of X (and related transformations).
660 * simplify_rtx.c (simplify_unary_operation_1): Transform
661 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
662 depending on STORE_FLAG_VALUE, were C is one less then the
665 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
667 Fix PR tree-optimization/26341
668 * tree-ssa-operands.c (add_virtual_operand): Remove assert
669 about NAME_MEMORY_TAG's.
671 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
674 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
675 with hardware float support, and software float support. Add fcpy
676 alternative to hardware patterns. Add alternatives to copy between
677 general and floating-point registers to the 32-bit pattern.
678 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
679 secondary reload to load a QI or HI mode constant into a floating
681 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
682 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
684 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
687 * config/rs6000/darwin.md (load_macho_picbase_si): Add
689 (load_macho_picbase_di): Likewise.
691 2006-02-16 Jeff Law <law@redhat.com>
693 * tree-vrp.c (set_value_range_to_nonnegative): New function.
694 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
695 (ssa_name_nonzero_p): Likewise.
696 (get_value_range): Return NULL if VRP is not running.
697 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
698 VRP routines do not discover a range.
699 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
700 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
701 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
702 (tree_expr_nonnegative_p): Similarly.
703 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
704 (restore_nonzero_vars_to_original_value): Remove.
705 (unsafe_associative_fp_binop): Remove.
706 (tree_ssa_dominator_optimize): Remove initialization and
707 finalization of nonzero_vars and nonzero_vars_stack.
708 (dom_opt_initialize_block): No longer push marker on
710 (dom_opt_finalize_block): No longer call
711 restore_nonzero_vars_to_original_value.
712 (record_equivalences_from_phis): No longer look for
713 nonzero PHI arguments.
714 (cprop_into_successor_phis): No longer propagate nonzero
715 property into PHI arguments. Lose unused argument. Caller
717 (record_equivalences_from_stmt): No longer record nonzero
718 values for SSA_NAMEs.
719 (lookup_avail_expr): No longer use nonzero_vars.
721 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
722 for sizetype when sizetype is unsigned.
724 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
726 PR rtl-optimization/25603
727 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
728 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
729 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
730 with new meaning of SETS.
732 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
737 * config/linux.opt: New file.
738 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
739 LINUX_DYNAMIC_LINKER): Define.
740 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
741 * config.gcc (*-*-linux*): Define extra_options.
742 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
743 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
744 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
745 GLIBC_DYNAMIC_LINKER.
746 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
747 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
748 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
750 * doc/invoke.texi (GNU/Linux Options): New section.
752 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
754 * config/sparc/sparc.md (setjmp): Rewrite.
756 (setjmp_64): Likewise.
758 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
760 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
763 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
765 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
768 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
770 PR rtl-optimization/26296
771 * Makefile.in (loop-invariant.c): Add except.h dependency.
772 * loop-invariant.c: Include except.h.
773 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
775 2005-02-16 Paul Brook <paul@codesourcery.com>
777 * reload1.c (emit_reload_insns): Invalidate dead input registers used
780 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
782 PR rtl-optimization/25636
783 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
784 when deciding whether an insn is an initializing insn.
786 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
788 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
789 (tree_code_size): Ditto.
790 * tree.h (struct tree_memory_tag): Remove parent_var.
791 (struct tree_struct_field_tag): New.
794 (union tree_node): Add sft member.
795 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
797 (create_sft): Add size and offset argument, set SFT_OFFSET and
799 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
800 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
801 * tree-flow-inline.h (get_subvar_at): Update for
803 (var_can_have_subvars): Ditto.
804 (overlap_subvar): Ditto.
805 * print-tree.c (print_node): Print out interesting things for
807 * tree-flow.h (struct subvar): Remove offset and size members.
808 * tree-ssa-operands.c (get_expr_operands): Update for
809 get_indirect_ref_operands changes.
810 (get_indirect_ref_operands): Call add_virtual_operand instead of
811 add_stmt_operand. Only recurse on base var if requested.
812 (access_can_touch_variable): New function.
813 (add_stmt_operand): Split virtual operand handling into ...
814 (add_virtual_operand): Here. Add offset, size, and for_clobber
815 arguments. Prune alias sets.
816 (add_call_clobber_ops): Call add_virtual_operand.
818 2006-02-15 Jakub Jelinek <jakub@redhat.com>
821 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
823 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
824 than TREE_CODE as index into omp_clause_num_ops array.
826 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
828 PR rtl-optimization/26184
829 * modulo-sched.c (generate_reg_moves): Free bitmap vector
831 * modulo-sched.c (sms_schedule): Free g_arr pointer.
832 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
833 must_precede, must_follow and tobe_scheduled.
836 * opts.c (common_handle_option): Free new_option pointer.
837 * df-core.c (df_analyze): Free postorder pointer.
839 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
841 * Makefile.in: Fix the examples about the use of stamps
843 2006-02-15 Michael Matz <matz@suse.de>
847 * stor-layout.c (layout_decl): Zero-width bitfields aren't
848 influenced by maximum_field_alignment or DECL_PACKED.
849 (update_alignment_for_field): Ditto.
850 (place_field): Ditto.
851 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
854 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
856 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
857 (debug_flow_info): Pass it.
858 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
859 * bb-reorder.c (reorder_basic_blocks): Likewise.
860 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
861 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
862 * flow.c (life_analysis, recompute_reg_usage): Likewise.
863 * gcse.c (gcse_main, bypass_jumps): Likewise.
864 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
865 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
866 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
867 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
868 * rtl.h (dump_flow_info): Adjust prototype.
869 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
870 * var-tracking.c (variable_tracking_main): Likewise.
871 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
872 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
875 2006-02-15 Marcin Dalecki <martin@dalecki.de>
877 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
880 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
882 PR tree-optimization/26209
883 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
884 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
886 * tree-cfg.c (replace_uses_by): Do not alter cfg.
888 2006-02-14 Roger Sayle <roger@eyesopen.com>
891 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
892 (X,Y) and the corresponding symmetry related transformations.
893 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
894 (X,Y) and its symmetry related transformations.
896 2006-02-14 Roger Sayle <roger@eyesopen.com>
898 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
901 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
903 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
905 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
908 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
909 support COMDAT group.
910 * configure: Regenerate.
912 2006-02-14 Roger Sayle <roger@eyesopen.com>
917 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
919 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
921 Fix PR tree-optimization/26260
923 * doc/invoke.texi (max-fields-for-field-sensitive): Document
925 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
926 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
927 * tree-ssa-structalias.c (create_variable_info_for): Use
928 MAX_FIELDS_FOR_FIELD_SENSITIVE.
930 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
932 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
934 * tree-ssa-loop-niter.c (number_of_iterations_ne,
935 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
936 of the ending condition.
937 * tree-ssa-loop-manip.c: Include params.h.
938 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
939 tree_unroll_loop): New functions.
940 * tree-pass.h (pass_loop_prefetch): Declare.
941 * loop.c (rest_of_handle_loop_optimize): Test for
942 -fprefetch-loop-arrays-rtl.
943 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
944 * timevar.def (TV_TREE_PREFETCH): New timevar.
945 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
946 pass_loop_prefetch): New.
947 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
948 (cleanup_tree_cfg_loop): Call scev_reset.
949 * common.opt (fprefetch-loop-arrays-rtl): Add.
950 * tree-ssa-loop-prefetch.c: New file.
951 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
952 (new_temp_expr_table): Initialize expr_vars.
953 (free_temp_expr_table): Cleanup expr_vars.
954 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
955 expressions from being merged into one.
956 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
957 (struct tree_niter_desc): Add control, bound and cmp fields.
958 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
960 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
961 (tree-cfgcleanup.o): Add SCEV_H dependency.
962 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
963 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
965 2006-02-14 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/26258
968 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
969 in PHI argument processing.
971 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
973 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
974 new expression in the requested machine mode.
976 2006-02-13 Roger Sayle <roger@eyesopen.com>
978 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
979 directly, instead let do_compare_rtx_and_jump handle this for us.
980 * expr.c (expand_expr_real_1): Likewise.
981 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
982 before do_jump_by_parts_greater.
983 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
984 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
986 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
988 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
990 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
992 PR rtl-optimization/26235
993 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
994 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
997 2006-02-13 Jeff Law <law@redhat.com>
999 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1002 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1005 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1006 twice if decl is a builtin. When trying again, call get_callee_fndecl
1007 first to verify it is still a builtin.
1009 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1011 * dwarf2out.c (base_type_die): Don't add AT_name here.
1012 (subrange_type_die): Don't add AT_name here.
1013 (modified_type_die): Rearrange code flow. Do add AT_name here.
1015 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1017 PR rtl-optimization/26247
1018 PR rtl-optimization/26248
1019 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1021 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1023 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1024 * config/fixtfdi.c: Likewise.
1025 * config/fixunstfdi.c: Likewise.
1026 * config/floatditf.c: Likewise.
1028 2006-02-13 Roger Sayle <roger@eyesopen.com>
1031 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1032 into (X,C2) if C1 is a subset of the bits of C2. Transform
1033 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1035 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1037 2006-02-13 Josh Conner <jconner@apple.com>
1040 * varasm.c (function_section): Check for section name before
1041 calling select_section on targets that define
1042 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1043 unlikely_text_section instead of hot_function_section if
1044 first_function_block_is_cold.
1046 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1049 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1051 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1053 PR rtl-optimization/26222
1054 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1055 after tree->rtl expansion.
1056 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1057 before passing it to emit_move_insn.
1059 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1061 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1063 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1064 Clarify documentation.
1065 * c-common.h (warn_write_strings): Remove.
1066 * c-common.c (warn_write_strings): Likewise.
1067 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1070 2006-02-12 Roger Sayle <roger@eyesopen.com>
1073 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1074 (do_jump_parts_zero_rtx): New function renamed from
1075 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1076 (do_jump_parts_equality_rtx): New function split out from
1077 do_jump_parts_equality. Old implementation renamed as above.
1078 Call do_jump_parts_zero_rtx if either operand is zero.
1079 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1080 do all of the heavy lifting.
1081 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1082 calling either do_jump_by_parts_greater_rtx or
1083 do_jump_by_parts_equality_rtx.
1084 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1085 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1086 moved to do_compare_rtx_and_jump, call it directly.
1087 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1088 mode argument. Call do_compare_rtx_and_jump.
1089 (emit_case_nodes): Update calls to do_jump_if_equal.
1091 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1093 PR rtl-optimization/26225
1094 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1096 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1098 PR rtl-optimization/26232
1099 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1101 2006-02-11 Jason Merrill <jason@redhat.com>
1104 * tree-inline.c (declare_return_variable): Just don't use the
1105 modify target if it's a gimple complex reg and the return slot
1108 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * doc/contrib.texi: Update my entry.
1112 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1114 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1116 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1118 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1121 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1123 * doc/invoke.texi (-floop-optimize2): Removed.
1124 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1125 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1126 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1127 * common.opt (floop-optimize2): Removed.
1128 (fmove-loop-invariants): Enabled by default.
1130 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1132 * tree-if-conv.c (combine_blocks): Free the result of
1133 get_loop_exit_edges.
1135 2006-02-10 Jeff Law <law@redhat.com>
1137 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1139 PR tree-optimization/26213
1140 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1141 loop trying to follow SSA_NAME_VALUE chains.
1143 2006-02-10 Richard Guenther <rguenther@suse.de>
1145 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1146 deal with structures that end in implicitly variable sized arrays.
1148 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1150 PR rtl-optimization/24762
1151 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1154 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1156 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1157 (struct ivopts_data): Add regs_used field.
1158 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1159 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1160 instead of loop_data->regs_used;
1161 (free_loop_data): Do not free aux fields for loops.
1162 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1163 and tree_ssa_iv_optimize_finalize.
1165 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1167 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1169 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1172 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1173 computing the effective result type.
1175 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1178 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1179 (tree_overlaps_hard_reg_set): Declare.
1180 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1181 type and signature to match function type expected by walk_tree.
1182 (tree_overlaps_hard_reg_set): New function.
1183 (decl_conflicts_with_clobbers_p): Rename to:
1184 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1185 Use tree_overlaps_hard_reg_set. Changed caller.
1186 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1187 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1188 * cris.c (cris_md_asm_clobbers): Likewise.
1190 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1192 * reload1.c (emit_input_reload_insns): Delete code that tries to
1193 inherit using find_equiv_reg.
1195 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1197 * c-common.h (flag_const_strings): Don't declare.
1198 * c-common.c (flag_const_strings): Remove.
1199 * c.opt (fconst_strings): Remove.
1200 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1201 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1202 (c_common_init_options): Don't set flag_const_strings.
1203 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1205 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1207 * arm.md (tlobits_cbranch): New pattern.
1208 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1209 testing a single bit.
1211 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1214 * tree-ssa-pre.c (create_component_ref_by_pieces):
1215 Handle RETURN_DECL like VAR_DECL.
1217 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1220 * fold-const.c (fold_indirect_ref_1): Fold
1221 "*(foo *)&complexfoo" to "__real__ complexfoo"
1222 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1224 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1226 * tree-flow-inline.h (var_can_have_subvars):
1227 Volatile variables should not have subvariables.
1229 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1232 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1233 multiplying unsigned values.
1236 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1238 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1240 2006-02-08 Jason Merrill <jason@redhat.com>
1243 * tree.def: Elaborate on difference from MODIFY_EXPR.
1244 * doc/c-tree.texi (INIT_EXPR): Likewise.
1245 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1246 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1247 (gimplify_target_expr): Likewise.
1248 (gimplify_cond_expr): Remove target handling.
1249 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1250 (gimplify_expr): Clobber it here.
1251 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1252 Do return slot optimization if we have an INIT_EXPR.
1255 * tree-inline.c (declare_return_variable): Also clear
1256 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1259 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1262 * gimplify.c (gimplify_one_sizepos): Fix typo.
1264 2006-02-08 Jeff Law <law@redhat.com>
1266 PR tree-optimization/21417
1267 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1268 across a backedge if the control statement at the end of the
1269 block is data dependent on other statements in the same block.
1270 (record_temporary_equivalences_from_stmts): Remove over-conservative
1271 test for threading across backedges.
1273 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1274 control statement, handle all three special cases in the same
1275 manner as they all have the same desired solution. No longer
1276 special case edge flag updating when the post dominator is
1279 2006-02-08 Roger Sayle <roger@eyesopen.com>
1281 * tree.def (CHAR_TYPE): Remove.
1282 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1283 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1284 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1285 (gen_string_type_die): Delete unreachable function.
1287 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1288 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1289 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1290 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1291 * builtins.c (type_to_class): Likewise.
1292 * fold-const.c (fold_convert, build_range_check,
1293 merge_ranges): Likewise.
1294 * expr.c (count_type_elements): Likewise.
1295 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1296 * stor-layout.c (layout_type): Likewise.
1297 * ipa-type-escape.c (type_to_consider): Likewise.
1298 * gimplify.c (omp_firstprivatize_type_sizes,
1299 gimplify_type_sizes): Likewise.
1300 * explow.c (promote_mode): Likewise.
1301 * tree-sra.c (is_sra_scalar_type): Likewise.
1302 * varasm.c (output_constant): Likewise.
1303 * tree-inline.c (remap_type_1): Likewise.
1304 * convert.c (convert_to_pointer, convert_to_real,
1305 convert_to_integer, convert_to_complex): Likewise.
1307 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1309 * df-scan.c (df_def_record_1): A set destination may
1310 be a parallel regardless of mode.
1312 2006-02-08 Roger Sayle <roger@eyesopen.com>
1315 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1316 * config/mips/_tilib.c: Remove.
1317 * config/fixtfdi.c: New libgcc source file.
1318 * config/fixunstfdi.c: New source file.
1319 * config/floatditf.c: New source file.
1320 * config/floatunditf.c: New souce file.
1321 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1322 files above instead of config/mips/_tilib.c.
1323 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1325 2006-02-08 Jeff Law <law@redhat.com>
1327 PR tree-optimization/26169
1328 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1331 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1333 * df.h (DF_REG_SIZE): Return the length of the initialized
1336 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1338 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1339 __muldf3): Return a correctly signed zero.
1341 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1343 * passes.c (register_one_dump_file): Accept the current properties
1344 instead of pass number. Adjust call to dump_register. Remove
1346 (register_dump_files): Now a wrapper around...
1347 (register_dump_files_1): ... this one. Do not modify the pass
1349 (next_pass_1): Cosmetic fix.
1350 (execute_todo): Keep second parameter only. Use curr_properties
1351 instead of fetching it from the pass structure. Check and set
1353 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1354 instead of fetching it from the pass structure. Fix calls to
1355 execute_todo. Update curr_properties and initialize .vcg RTL dump
1356 after running the pass. Reset last_verified.
1357 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1359 (FIRST_AUTO_NUMBERED_DUMP): New.
1360 (dump_register): Remove "num" parameter, assign it within the
1362 (get_dump_file_name): Modify template for dumps.
1363 * tree-dump.h (dump_register): Adjust prototype.
1364 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1365 (PROP_trees): Add PROP_gimple_lomp.
1366 (TODO_set_props): New.
1367 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1368 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1369 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1371 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1373 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1374 (sparc64-*-linux*): Likewise.
1375 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1376 * config/sparc/t-linux: New file.
1377 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1378 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1379 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1380 -m32 -mlong-double-128.
1382 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1383 * config/alpha/t-linux: New file.
1384 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1386 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1387 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1388 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1389 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1390 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1391 (CPP_ARCH32_SPEC): Remove.
1393 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1395 PR tree-optimization/26145
1396 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1399 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1402 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1403 >= 240000 when generating code for SOM runtime.
1404 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1405 to $$dyncall when generating code for SOM runtime..
1407 2006-02-07 Dirk Mueller <dmueller@suse.com>
1410 * doc/invoke.texi (-Wsequence-point): Update documentation
1411 that -Wsequence-point is implemented for C++ as well.
1413 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1415 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1416 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1417 (LIB_SPEC): Likewise.
1418 * doc/invoke.texi (SPARC options): Document -pthread.
1420 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1422 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1425 2006-02-07 Roger Sayle <roger@eyesopen.com>
1427 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1428 Correct comment describing BOOLEAN_TYPE.
1430 2006-02-07 Dirk Mueller <dmueller@suse.com>
1432 * c.opt: C++ frontend supports -Wdiv-by-zero.
1433 * c-opts.c (c_common_handle_option): Remove dead case.
1435 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1437 * configure.ac (TLS assembler check): Do not enable TLS by
1438 default on SPARC/Solaris before version 10.
1439 * configure: Regenerate.
1441 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1443 * doc/invoke.texi (xl-compat): Document conversion and support
1446 2006-02-07 Jeff Law <law@redhat.com>
1448 * tree-vrp.c (find_conditional_asserts): Update comments.
1449 (simplify_stmt_for_jump_threading): New.
1450 (identify_jump_threads, finalize_jump_threads): New.
1451 (vrp_finalize): Call identify_jump_threads.
1452 (execute_vrp): Call finalize_jump_threads.
1453 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1454 (vrp_element, vrp_data, vrp_element_p): Remove.
1455 (vrp_hash_elt, vrp_variables_stack): Remove.
1456 (vrp_hash, vrp_eq, record_range): Remove.
1457 (simplify_cond_and_lookup_avail_expr): Remove.
1458 (extract_range_from_cond): Remove.
1459 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1460 (simplify_stmt_for_jump_threading): New.
1461 (dom_thread_across_edge): New wrapper.
1462 (tree_ssa_dominator_optimize): No longer initialize or
1463 finalize any of the VRP datastructures. Remove iteration
1464 step and simplify as a result of removal of iteration step.
1465 (pass_dominator): Perform a cfg cleanup after DOM.
1466 (dom_opt_finalize_block): Use the new common routines
1467 for threading jumps. Simplify stack management slightly.
1468 No longer need to unwind VRP state.
1469 (record_equivalences_from_incoming_edge): No longer record
1471 (eliminate_redundant_computations): No longer call
1472 simplify_cond_and_lookup_avail_expr.
1473 * tree-flow.h (potentially_threadable_block): Prototype.
1474 (thread_across_edge): Likewise.
1475 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1476 (tree-ssa-threadedge.o): Add dependencies.
1477 * tree-ssa-threadedge.c: New file.
1478 * passes.c (init_optimization_passes): Merge PHIs before
1479 calling VRP. Run VRP again late in the SSA optimization pipeline.
1481 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1483 * df-core.c (df_set_blocks): Do not dereference function pointers.
1484 (df_finish1): Likewise.
1485 (df_hybrid_search_forward): Likewise.
1486 (df_hybrid_search_backward): Likewise.
1487 (df_iterative_dataflow): Likewise.
1488 (df_analyze_problem): Likewise.
1489 (df_compact_blocks): Likewise.
1490 (df_dump): Likewise.
1491 * df-scan.c (df_rescan_blocks): Likewise.
1492 (df_record_entry_block_defs): Likewise.
1494 * genconditions.c (write_conditions): Guard the definition of
1495 'insn_conditions' with the check on GCC version.
1496 (write_writer): Guard the traversal 'insn_conditions' with
1497 the check on GCC version.
1499 2006-02-07 Richard Guenther <rguenther@suse.de>
1503 2006-01-30 Richard Guenther <rguenther@suse.de>
1505 * gimplify.c (gimplify_target_expr): Handle easy cases
1506 without creating a temporary.
1508 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1510 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1511 use of float in probability computations. Use edge probabilities
1512 in place of statically computed probabilities.
1513 (min_spec_prob): New static variable.
1514 (schedule_insns): Initialize it.
1515 (GET_SRC_PROB): Removed.
1516 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1518 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1521 * config/ia64/unwind-ia64.c: Revert last change.
1522 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1523 (INCOMING_FRAME_SP_OFFSET): Define.
1525 2006-02-06 Roger Sayle <roger@eyesopen.com>
1527 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1529 2006-02-07 Ben Elliston <bje@au.ibm.com>
1531 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1532 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1533 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1534 (ix86_return_in_memory): Handle TDmode.
1535 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1536 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1538 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1540 * reorg.c (dbr_schedule): Use dump_file instead of file.
1542 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1545 * config/ia64/predicates.md (extr_len_operand): New predicate.
1546 * config/ia64/ia64.md (extv): Tighten constraints.
1548 (*tbit_and_2): Ditto.
1549 (*tbit_and_3): Ditto.
1550 (*tbit_or_2): Ditto.
1551 (*tbit_or_3): Ditto.
1555 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1558 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1560 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1562 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1563 loop_optimizer_init and loop_optimizer_finalize
1564 * tree-ssa-sink.c (execute_sink_code): Ditto.
1565 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1566 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1567 tree_ssa_loop_done): Ditto.
1568 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1569 * sched-ebb.c: Include output.h.
1570 (schedule_ebbs): Do not use dump argument.
1571 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1572 * loop.c (loop_dump_stream): Removed.
1573 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1575 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1576 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1577 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1578 loop_iterations, strength_reduce, record_biv, record_giv,
1579 final_giv_value, check_final_value, check_ext_dependent_givs,
1580 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1581 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1582 dump_file instead of loop_dump_stream.
1583 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1585 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1587 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1588 * haifa-sched.c: Include output.h
1589 (schedule_insns, sched_init): Do not use dump argument.
1590 * mode-switching.c (optimize_mode_switching): Ditto.
1591 * modulo-sched.c (stats_file): Removed.
1592 (print_node_sched_params): Do not call argument dump_file.
1593 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1594 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1596 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1598 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1599 rtl_loop_init, rtl_loop_done): Ditto.
1600 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1601 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1603 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1604 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1605 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1606 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1607 * emit-rtl.c (renumber_insns): Ditto.
1608 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1609 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1610 * regclass.c (regclass): Ditto.
1611 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1612 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1613 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1614 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1616 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1617 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1619 * gcse.c (gcse_file, debug_stderr): Removed.
1620 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1621 rest_of_handle_gcse): Do not use dump argument.
1622 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1623 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1624 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1625 compute_code_hoist_vbeinout, compute_code_hoist_data,
1626 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1627 compute_store_table, build_store_vectors, insert_insn_start_bb,
1628 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1629 store_motion): Use dump_file instead of gcse_file.
1630 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1631 * profile.c (profile_dump_file): Removed.
1632 (branch_prob): Use dump_file instead of profile_dump_file.
1633 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1635 * tree-ssa-copy.c (dump_copy_of): Ditto.
1636 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1637 dump file to life_analysis.
1638 * bt-load.c (branch_target_load_optimize): Ditto.
1639 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1641 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1642 regclass, dbr_schedule): Declaration changed.
1643 * sched-int.h (sched_init): Declaration changed.
1644 * tree-profile.c (tree_profile_dump_file): Removed.
1645 (tree_profile_hooks): Removed profile_dump_file hook.
1646 * rtl-profile (rtl_profile_dump_file): Removed.
1647 (rtl_profile_hooks): emoved profile_dump_file hook.
1648 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1650 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1651 * tree-cfg.c (build_tree_cfg): Ditto.
1652 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1653 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1654 Declaration changed.
1655 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1656 life_analysis and schedule_insns.
1657 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1659 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1661 * config/mips/mips.c (mips_reorg): Ditto.
1662 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1665 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1667 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1668 (s390_mangle_fundamental_type): New.
1669 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1672 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1673 (alpha_mangle_fundamental_type): New.
1674 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1677 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1679 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1681 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1682 (sparc_mangle_fundamental_type): New.
1684 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1686 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1687 (s390x-*-linux*): Likewise.
1688 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1689 * config/s390/t-linux: New file.
1691 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1693 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1694 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1696 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1698 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1699 (ANTIC_SAFE_LOADS): New macro.
1700 (find_or_generate_expression): Add prototype.
1701 (set_contains_value): Allow null set for sake of not always having
1702 to allocate ANTIC_SAFE_LOADS.
1703 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1704 Allow COMPONENT_REF too.
1705 (valid_in_set): Allow COMPONENT_REF.
1706 Check ANTIC_SAFE_LOADS too.
1707 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1708 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1710 (can_PRE_operation): Add COMPONENT_REF.
1711 (create_component_ref_by_pieces): New function.
1712 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1713 (insert_aux): Move AGGREGATE_TYPE_P check here.
1714 (compute_avail): Set bb local stmt uids.
1715 (pass_pre): Use TODO_update_ssa_only_virtuals.
1717 2006-02-06 Ben Elliston <bje@au.ibm.com>
1719 * configure.ac: Unconditionally disable decimal float by default.
1720 * configure: Regenerate.
1722 2006-02-06 Ben Elliston <bje@au.ibm.com>
1724 * read-rtl.c (read_name): Terminate reading on EOF.
1726 2006-02-06 Ben Elliston <bje@au.ibm.com>
1728 * dfp.c (decimal_real_arithmetic): Change second argument type
1729 from int to enum tree_code. Do not always return true, but now
1730 return result of any call to decimal_do helper functions.
1731 * dfp.h (decimal_real_arithmetic): Update prototype.
1733 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1735 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1737 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1740 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1743 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1745 * tree-vrp.c (cfg_loops): Removed.
1746 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1747 Use current_loops instead of cfg_loops. Pass flags to
1748 loop_optimizer_init.
1749 * cfgloopmanip.c (fix_loop_structure): Update only available
1751 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1752 loop_optimizer_init.
1753 * modulo-sched.c (build_loops_structure): Removed.
1754 (sms_schedule): Use loop_optimizer_init.
1755 * loop-init.c (loop_optimizer_init): Use flags to determine
1756 which properties of loops to prepare.
1757 (rtl_loop_init): Pass flags to loop_optimizer_init.
1758 * tree-ssa-sink.c (execute_sink_code): Ditto.
1759 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1760 * tree-ssa-pre.c (init_pre): Ditto.
1761 * cfgloop.h (LOOPS_NORMAL): New.
1762 (loop_optimizer_init): Declaration changed.
1764 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1766 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1767 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1769 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1771 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1773 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1774 * pa/t-pa64: Delete quadlib.c rule.
1775 * pa/x-ada: Revert last change.
1776 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1778 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1780 PR rtl-optimization/26087
1781 * rtlanal.c (canonicalize_condition): Do not cross basic block
1784 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1787 * config/ia64/ia64.c: Include debug.h.
1788 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1789 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1790 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1791 (process_epilogue, process_set, process_for_unwind_directive):
1792 Output unwind info only if requested. Add CFA info if requested.
1793 Add new arguments as needed. Adjust callers.
1794 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1796 (DWARF2_FRAME_INFO): Define to zero.
1797 * config/ia64/unwind-ia64.c: Remove code that compensated for
1798 the CFA offset error fixed above.
1799 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1800 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1801 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1802 -funwind-tables and -fexceptions to enable frame info.
1803 (dwarf2out_frame_init): Define initial CFA even if
1804 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1805 DWARF2_UNWIND_INFO is nonzero, not just defined.
1806 (dwarf2out_frame_finish): Output non-EH call frame info only
1807 if DWARF2_FRAME_INFO is nonzero.
1808 (convert_cfa_to_loc_list,
1809 compute_frame_pointer_to_cfa_displacement): Define even if
1810 unwind info is not supported.
1811 (gen_subprogram_die): Use the above unconditionally. Remove
1812 legacy alternate code.
1813 * toplev.c (compile_file): Compile in call to
1814 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1815 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1817 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1818 Jakub Jelinek <jakub@redhat.com>
1820 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1821 IBM extended float format long double as "g" on powerpc*-linux.
1823 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1826 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1827 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1829 2006-02-03 Jason Merrill <jason@redhat.com>
1832 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1835 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1836 on the return slot if it's an NRV.
1838 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1840 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1841 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1842 rewrite_use): Do not handle USE_OUTER.
1843 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1844 add_iv_outer_candidates, may_replace_final_value,
1845 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1846 (find_interesting_uses_op): Functionality of
1847 find_interesting_uses_outer_or_nonlin moved here.
1848 (find_interesting_uses_outside): Use find_interesting_uses_op.
1850 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1853 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1855 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1856 Ulrich Weigand <uweigand@de.ibm.com>
1859 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1860 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1861 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1862 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1864 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1865 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1866 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1867 Define secondary reloads for TFmode moves.
1868 (constant_modes): Add TFmode.
1869 (NR_C_MODES): Set to 8.
1870 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1872 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1873 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1874 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1875 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1876 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1877 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1878 (FPR mode macro): Add TFmode.
1879 (DSF mode macro): New.
1880 (<de>, <dee> mode attributes): Removed.
1881 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1882 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1883 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1884 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1885 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1886 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1887 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1888 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1889 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1890 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1891 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1892 "*negabs<mode>2", "sqrt<mode>2"):
1893 Changed <de> to <xde>. R constraint replaced by <Rf>.
1894 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1896 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1897 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1898 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1900 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1901 "extenddftf2", "extendsftf2"): New expanders.
1902 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1903 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1904 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1905 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1907 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1908 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1909 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1910 __floatditf): Add a GCC_4.1.0 symbol version tag.
1911 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1914 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1917 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1918 Use targetm.binds_local_p instead of TREE_PUBLIC.
1920 2006-02-02 Roger Sayle <roger@eyesopen.com>
1922 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1923 on INTEGER_TYPEs to indicate that it denotes a character type.
1924 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1925 signed_char_type_node, unsigned_char_type_node and char_type_node.
1926 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1927 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1928 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1930 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1931 Daniel Berlin <dberlin@dberlin.org>
1933 * tree-tailcall.c (arg_needs_copy_p): New function.
1934 (eliminate_tail_call): Use arg_needs_copy_p.
1935 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1936 (add_virtual_phis): New function.
1938 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1940 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1941 #ignore instead of #scratch for %g7 .register directive.
1943 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1945 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1948 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1950 * flow.c (calculate_global_regs_live): Assert that there aren't any
1953 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1955 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1957 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1958 bsi_after_labels iterator.
1959 * tree-if-conv.c (find_phi_replacement_condition,
1960 replace_phi_with_cond_modify_expr): Likewise.
1961 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1962 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1964 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1966 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1968 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1971 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1972 array after growing it.
1974 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1977 * fold-const.c (fold_checksum_tree): Change type of buf.
1979 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1981 * reload.c (push_secondary_reload): Initialize t_icode.
1983 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1985 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1986 -msoft-float -mlong-double-128 only issue a warning, but don't
1987 swich to DFmode long double.
1989 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1991 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1992 has a constant equivalent, iterate over equivalents for arg0,
1993 calling simplify_relational_operation and if there's a result
1994 cheaper than X, apply fold_rtx and return the result.
1996 2006-02-01 Jan Hubicka <jh@suse.cz>
1998 * opts.c (no_unit_at_a_time_default): New global variable.
1999 (decode_options): Use it.
2000 * opts.h (no_unit_at_a_time_default): Declare.
2002 2006-02-01 Paul Brook <paul@codesourcery.com>
2004 * function.c (assign_parm_setup_reg): Use function argument promotion
2006 * expr.c (expand_expr_real_1): Use function argument promotion rules
2009 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2011 * gcc.c (process_command): Change j to 'unsigned int'.
2013 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2016 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2017 Use the corrected index for the character
2018 out of the string constant.
2020 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2022 * mode-switching.c (optimize_mode_switching): Fix size
2023 allocated for bb_info[n_entities].
2025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2027 * gcc.c (main): Correct type that is allocated for
2028 explicit_link_files.
2030 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2032 * config/s390/s390.c (init_alignment_context): Set
2033 ALIAS_SET_MEMORY_BARRIER on the MEM.
2034 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2036 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2039 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2041 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2044 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2046 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2047 * regrename.c: Ditto.
2048 * tree-ssa-loop-im.c: Ditto.
2049 * tree-dump.c: Ditto.
2050 * tree-complex.c: Ditto.
2051 * genrecog.c: Ditto.
2052 * tree-ssa-threadupdate.c: Ditto.
2054 * java/class.c: Ditto.
2055 * java/jcf-parse.c: Ditto.
2056 * java/resource.c: Ditto.
2057 * java/except.c: Ditto.
2058 * java/jvspec.c: Ditto.
2059 * java/jcf-write.c: Ditto.
2060 * java/jcf-path.c: Ditto.
2061 * java/gjavah.c: Ditto.
2062 * java/zextract.c: Ditto.
2063 * java/jcf-io.c: Ditto.
2064 * java/jcf.h: Ditto.
2065 * java/buffer.c: Ditto.
2066 * java/lang.c: Ditto.
2067 * java/parse-scan.y: Ditto.
2068 * java/lex.c: Ditto.
2069 * java/lex.h: Ditto.
2070 * cfgloopmanip.c: Ditto.
2071 * postreload-gcse.c: Ditto.
2072 * tree-ssa-loop-manip.c: Ditto.
2073 * postreload.c: Ditto.
2074 * tree-ssa-loop-ch.c: Ditto.
2078 * diagnostic.c: Ditto.
2080 * genoutput.c: Ditto.
2082 * cfghooks.c: Ditto.
2083 * cfgloopanal.c: Ditto.
2084 * objc/objc-act.c: Ditto.
2086 * genextract.c: Ditto.
2087 * genautomata.c: Ditto.
2088 * pretty-print.c: Ditto.
2090 * cgraphunit.c: Ditto.
2093 * haifa-sched.c: Ditto.
2094 * dominance.c: Ditto.
2096 * tree-ssa-loop-ivopts.c: Ditto.
2098 * mode-switching.c: Ditto.
2099 * modulo-sched.c: Ditto.
2101 * ipa-pure-const.c: Ditto.
2103 * fix-header.c: Ditto.
2105 * tree-stdarg.c: Ditto.
2106 * ipa-utils.c: Ditto.
2107 * loop-init.c: Ditto.
2108 * ipa-inline.c: Ditto.
2111 * alloc-pool.c: Ditto.
2112 * dwarf2out.c: Ditto.
2114 * genattrtab.c: Ditto.
2115 * tree-ssa-loop-ivcanon.c: Ditto.
2119 * fortran/gfortranspec.c: Ditto.
2121 * local-alloc.c: Ditto.
2122 * langhooks.c: Ditto.
2123 * function.c: Ditto.
2124 * tree-vectorizer.c: Ditto.
2126 * ipa-type-escape.c: Ditto.
2128 * tree-if-conv.c: Ditto.
2131 * tree-data-ref.c: Ditto.
2132 * loop-unroll.c: Ditto.
2133 * treelang/treetree.c: Ditto.
2136 * ggc-common.c: Ditto.
2138 * coverage.c: Ditto.
2140 * tree-cfgcleanup.c: Ditto.
2141 * tree-ssa-pre.c: Ditto.
2142 * cfgcleanup.c: Ditto.
2143 * loop-invariant.c: Ditto.
2145 * ipa-prop.c: Ditto.
2146 * print-tree.c: Ditto.
2147 * conflict.c: Ditto.
2148 * ggc-page.c: Ditto.
2149 * sched-deps.c: Ditto.
2150 * regclass.c: Ditto.
2151 * tree-object-size.c: Ditto.
2153 * bb-reorder.c: Ditto.
2154 * resource.c: Ditto.
2155 * var-tracking.c: Ditto.
2157 * df-problems.c: Ditto.
2158 * reg-stack.c: Ditto.
2161 * sched-rgn.c: Ditto.
2162 * tree-ssa-structalias.c: Ditto.
2163 * tree-ssa-reassoc.c: Ditto.
2164 * config/darwin-c.c: Ditto.
2165 * config/darwin.c: Ditto.
2166 * config/arm/arm.c: Ditto.
2168 * collect2.c: Ditto.
2171 2006-01-31 Nicolas Pitre <nico@cam.org>
2173 * arm.md (smaxsi3): Make aware of smax_m1.
2176 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2178 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2180 2006-01-31 Richard Guenther <rguenther@suse.de>
2182 * doc/invoke.texi (-msselibm): Document.
2183 * target.h (expand_library_builtin): New target hook.
2184 * builtins.c (expand_builtin): Use expand_library_builtin.
2185 (default_expand_library_builtin): New function.
2186 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2187 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2188 (link_gcc_math_spec): Declare.
2189 (static_specs): Add link_gcc_math_spec.
2190 * expr.h (default_expand_library_builtin): Declare.
2191 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2192 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2193 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2194 * config/i386/i386.opt (msselibm): New target option.
2195 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2196 (ix86_init_sse_abi_builtins): New function.
2197 (ix86_expand_library_builtin): Likewise.
2198 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2199 (override_options): Handle error conditions wrt -msselibm.
2200 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2201 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2202 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2205 2006-01-31 Richard Guenther <rguenther@suse.de>
2206 Paolo Bonzini <bonzini@gnu.org>
2208 * doc/install.texi (--disable-libgcc-math): Document.
2210 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2212 * expr.h (expand_normal): new inline function.
2213 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2215 * dwarf2out.c: use it.
2220 * config/sparc/sparc.c: use it.
2221 * config/i386/i386.c: use it.
2222 * config/rs6000/rs6000.c: use it.
2223 * config/arm/arm.c: use it.
2224 * config/mips/mips.c: use it.
2225 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2227 2006-01-30 Roger Sayle <roger@eyesopen.com>
2229 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2230 argv to the appropriate type.
2232 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2234 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2237 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2240 * config/s390/s390.c (struct machine_function): New flag
2241 decomposed_literal_pool_addresses_ok_p.
2242 (s390_reorg): Set it before final stage of literal pool transforms.
2243 (s390_decompose_address): Only accept displacements of the form
2244 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2246 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2248 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2249 the comparison routine return.
2251 2006-01-30 Michael Matz <matz@suse.de>
2253 * global.c (find_reg): Only evict for global regs.
2254 Take n_refs into account and dump more info.
2256 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2259 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2260 (pragma_trap, pragma_nosave_low_regs): Likewise.
2261 (current_function_anonymous_args): Likewise.
2262 (sh_deferred_function_attributes): New variable.
2263 (sh_deferred_function_attributes_tail): Likewise.
2264 (print_operand): For '@', look up trap_exit attribute.
2265 (calc_live_regs): Look up trapa_handler attribute. For trapa
2266 handlers, save/restore fpscr, but don't do any other
2267 interrupt-specific saves.
2268 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2269 Fix check for partially saved registers to check for SHmedia.
2270 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2271 (sh_output_function_epilogue): Don't clear any of the removed
2273 (sh_insert_attributes): Don't check pragma_interrupt.
2274 Insert deferred attributes. Check that interrupt attribute is
2275 present for other attributes that require its presence.
2276 (sh_attribute_table): Add new attributes trapa_handler and
2278 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2279 Don't check for pragma_interrupt. Don't store argument.
2280 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2281 (sh_deferred_function_attributes): Declare.
2282 (sh_deferred_function_attributes_tail): Likewise.
2283 * sh.md (sp_switch_1): Add operand. Change generator caller.
2284 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2285 (*return_i): Don't use when trap_exit attribute is in effect.
2286 (*return_trapa): New insn pattern.
2288 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2289 setting c_target_objs and cxx_target_objs.
2290 * t-sh: Add rule for sh-c.o.
2292 2006-01-30 Richard Guenther <rguenther@suse.de>
2295 * gimplify.c (gimplify_target_expr): Handle easy cases
2296 without creating a temporary.
2298 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2300 * vec.h (safe_grow): Remove duplicated line.
2302 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2305 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2306 (expand_omp): ... here.
2307 (expand_omp_parallel): Only remove barriers for combined
2308 parallel+workshare constructs.
2310 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2314 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2315 * tree.c (build_qualified_type): Chain the new type to the original
2316 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2317 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2318 (build_pointer_type_for_mode): Only return unqualified types.
2319 (build_reference_type_for_mode): Likewise.
2321 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2323 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2324 * Makefile.in (CXX_COMPAT_WARN): Define.
2325 * configure: Regenerate.
2327 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2330 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2333 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2335 * toplev.c: Fix thinko.
2337 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2338 Marcin Dalecki <martin@dalecki.de>
2340 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2341 (push_srcloc): Use XNEW.
2342 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2344 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2346 * df-core.c (df_set_blocks): Deleted all variable.
2348 2006-01-28 Ian Lance Taylor <ian@airs.com>
2350 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2351 cgraph_output_pending_asms.
2353 2006-01-28 Zack Weinberg <zackw@panix.com>
2355 * c.opt: Add -W(no-)overlength-strings.
2356 * doc/invoke.texi: Document it.
2357 * c-opts.c (c_common_handle_option): -pedantic implies
2358 -Woverlength-strings, if not explicitly disabled already.
2359 (c_common_post_options): -Woverlength-strings defaults to off, and
2360 is always off for C++.
2361 * c-common.c (fix_string_type): Issue warning about strings longer
2362 than is portable only if warn_overlength_strings. Rearrange code
2363 a little for clarity.
2364 * configure.in: Check for -Wno-overlength-strings as well before
2365 enabling -pedantic in stage 1.
2366 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2367 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2369 * genconditions.c (write_header, write_one_condition)
2370 (write_conditions, write_writer): Consolidate very long strings
2371 that were broken up to fit in C89 portable limit. Don't use
2372 printf when fputs will do.
2374 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2376 * combine.c (simplify_comparison <AND>): Check
2377 TRULY_NOOP_TRUNCATION before start using a subreg.
2379 * config/mips/mips.md (*branch_zero<mode>,
2380 *branch_zero<mode>_inverted, *branch_equality<mode>,
2381 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2382 Remove mode check from comparisons.
2384 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2386 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2388 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2390 * expmed.c (const_mult_add_overflow_p): Remove.
2391 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2393 * recog.c (validate_replace_rtx_subexp): Remove.
2394 * recog.h: Remove the prototype for
2395 validate_replace_rtx_subexp.
2397 * integrate.h: Remove the prototype for
2398 copy_decl_for_inlining.
2399 * rtl.h: Remove the prototype for mark_constant_function.
2400 * tree-vectorizer.h: Remove the prototype for
2401 vect_strip_conversion.
2403 * modulo-sched.c (create_partial_schedule,
2404 free_partial_schedule, reset_partial_schedule): Make them
2407 * hooks.c (hook_bool_rtx_int_false): Remove.
2408 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2410 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2412 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2413 and -mlong-double-128 are incompatible.
2414 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2415 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2416 (TARGET_LIBGCC2_CFLAGS): Define.
2417 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2418 (TARGET_LIBGCC2_CFLAGS): Same.
2419 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2421 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2424 * c-typeck.c (build_binary_op): Perform implicit casts of
2425 operands before shortening them.
2427 * cfgloopmanip.c (split_loop_bb): Remove.
2428 * cfgloop.h: Remove the prototype for split_loop_bb.
2430 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2431 * cfgloop.h: Remove the prototype for
2432 flow_loop_outside_edge_p.
2434 * emit-rtl.c (init_virtual_regs): Make it static.
2435 * function.h: Remove the prototype for init_virtual_regs.
2437 * recog.c (peephole2_optimize): Make it static.
2438 * recog.h: Remove the prototype for peephole2_optimize.
2440 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2442 * df-scan.c (df_record_entry_block_defs): Check if
2443 INCOMING_RETURN_ADDR_RTX is defined.
2445 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2446 Kenneth Zadeck <zadeck@naturalbridge.com>
2448 PR rtl-optimization/24762
2449 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2450 * targhooks.c (hook_void_bitmap): New hook prototype.
2451 * targhoohs.h (hook_void_bitmap): Ditto.
2452 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2453 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2454 * target.h (live_on_entry): New function pointer.
2455 * df-scan.c (df_all_hard_regs): Removed.
2456 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2457 (df_scan_free_internal): Added df->entry_block_defs.
2458 (df_scan_alloc): Ditto.
2459 (df_scan_dump): Ditto.
2460 (df_uses_record): Plumbed flag field properly thru calls.
2461 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2462 This part fixes PR24762.
2463 (df_bb_refs_record): Added code to make the frame and arg
2464 pointers live in EH blocks.
2465 (df_refs_record): Added call to df_record_entry_block_defs.
2466 (df_record_entry_block_defs): New function.
2467 * df-core.c: Added comments to describe new artifical defs.
2468 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2469 (entry_block_defs): New field in struct df.
2470 (df_all_hard_regs): Deleted.
2471 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2472 * df-problems.c (df_ru_bb_local_compute_process_def):
2473 Added code to handle artifical defs in the entry to a function.
2474 (df_ru_bb_local_compute): Ditto.
2475 (df_rd_bb_local_compute_process_def): Ditto.
2476 (df_rd_bb_local_compute): Ditto.
2477 (df_lr_bb_local_compute): Ditto.
2478 (df_ur_bb_local_compute): Ditto.
2479 (df_urec_bb_local_compute): Ditto.
2480 (df_chain_create_bb): Ditto.
2481 (df_ur_local_finalize): Removed entry.
2482 (df_urec_init): Ditto.
2483 (df_urec_local_finalize): Ditto.
2484 (df_ri_bb_compute): Added detection of last use of pseudos.
2485 * Makefile.in (df-scan.o): Updated dependencies.
2486 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2487 * config/mips/mips.c (mips_set_live_on_entry): Added.
2488 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2490 * dce.c (marked_insn_p): Added code to handle artifical defs.
2492 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2494 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2496 (_mm_cvtsi128_si64): Likewise.
2497 (_mm_cvtsd_si64): Likewise.
2498 (_mm_cvttsd_si64): Likewise.
2499 (_mm_cvtsi64_sd): Likewise.
2500 (_mm_cvtsi64_si128): Likewise.
2501 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2502 (_mm_cvtsi64_m64): Likewise.
2503 (_m_to_int64): Likewise.
2504 (_mm_cvtm64_si64): Likewise.
2505 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2506 (_mm_cvttss_si64): Likewise.
2507 (_mm_cvtsi64_ss): Likewise.
2508 (_mm_cvtss_f32): Likewise.
2510 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2512 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2513 for pragma redefine_extname.
2515 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2518 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2519 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2520 -mno-minimal-toc to previous content.
2521 (bispecs): Remove goal.
2522 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2523 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2524 compatibility aliases on powerpc-*-*gnu*.
2525 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2526 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2527 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2528 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2529 (ldblspecs): New goal.
2530 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2531 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2533 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2534 L_sf_to_tf or L_df_to_tf is defined.
2536 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2537 Alan Modra <amodra@bigpond.net.au>
2540 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2541 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2542 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2543 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2544 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2545 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2546 (rs6000_override_options): Initialize rs6000_ieeequad.
2547 Initialize TFmode format to ibm_extended_format if not
2549 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2551 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2552 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2553 (function_arg_advance): IBM long double passed in two FPRs, not
2555 (function_arg): IBM long double passed in FPRs.
2556 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2557 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2558 Only multireg GPR aligned.
2559 (rs6000_init_libfuncs): Enable IBM long double functions if not
2561 (rs6000_generate_compare): Use IBM long double compare if not
2563 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2564 (TARGET_IEEEQUAD): Define.
2565 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2566 not TARGET_IEEEQUAD.
2567 * config/rs6000/rs6000.md: Enable TFmode patterns if
2569 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2570 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2571 and -mlong-double-128 are incompatible.
2572 * doc/invoke.texi (-mabi): Collect options together. Add
2573 ibmlongdouble and ieeelongdouble.
2575 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2577 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2579 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2580 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2581 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2582 * rtl.h (rtunion_def): Remove rt_ptr.
2584 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2585 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2586 * config/i386/winnt.c (i386_pe_mark_dllexport)
2587 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2589 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2591 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2593 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2597 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2598 pthread_key_delete. From John David Anglin. gthrw-ify
2599 pthread_getunique_np only if it it's not a macro. Delete
2601 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2602 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2603 __gthread_objc_condition_signal, __gthread_key_delete): Add
2604 "__attribute__ ((__unused__))" to unused arguments.
2605 (__gthread_recursive_mutex_init_function): Add missing return.
2606 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2607 gthr-posix95.h: Use macro-based approach for name redirection
2608 on targets missing weakref.
2610 2006-01-26 Zack Weinberg <zackw@panix.com>
2612 * genconditions.c (write_header): In generated code, #ifdef out
2613 all includes and fake declarations, except includes of bconfig.h
2614 and system.h, unless GCC_VERSION >= 3001. Do not include
2615 gensupport.h in any case.
2616 (write_conditions): Generate a definition of struct c_test. Add
2617 a comment to the generated #endif.
2618 (write_one_condition): Escape backslashes in string too.
2619 (write_writer): Generated code must escape backslashes and quote
2620 marks (but not newlines) in the strings it writes.
2621 * Makefile.in (build/gencondmd.o): Update dependencies.
2623 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2626 * Makefile.in (insn-automata.o): Add header file dependencies.
2627 * genautomata.c: Add includes.
2629 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2632 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2634 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2636 * configure.ac: Expect target tools paths to be passed from the toplevel
2637 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2639 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2641 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2644 * c.opt (Wpointer-sign): Init to -1.
2645 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2646 OPT_pedantic, to 0 otherwise.
2647 * doc/invoke.texi: Update.
2649 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2651 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2652 constants provided by 80387 instructions in the destination mode.
2654 2006-01-26 Richard Guenther <rguenther@suse.de>
2655 Andrew Pinski <pinskia@physics.uc.edu>
2658 partial PR tree-opt/17064
2659 * tree-ssa-structalias.c (intra_create_variable_infos):
2660 Create heap variables for incoming parameters if
2661 flag_argument_noalias > 1.
2662 (find_what_p_points_to): Look through default defs of
2665 2006-01-26 Jeff Law <law@redhat.com>
2668 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2669 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2670 within the VR_RANGE, use the VR_RANGE as the result, not the
2672 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2673 bounds for the type.
2675 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2677 * tree-ssa-alias.c (maybe_create_global_var): Change
2678 subvar walking to an assertion that we don't have subvar'd variables.
2680 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2683 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2684 Use a new variable, inner. PARM_DECLs are always non-weak.
2686 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2688 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2691 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2693 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2695 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2697 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2698 (smax_insn, smin_insn, smax_0, smin_0): New.
2700 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2703 * config/cris/cris.c (cris_order_for_addsi3): New function.
2704 * config/cris/cris-protos.h: Prototype it.
2705 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2706 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2707 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2708 (split for "op.S1 [rx=rx+i],ry (swapped)")
2709 (split for "op(s|u).S1 [rx=rx+i],ry")
2710 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2711 Apply cris_order_for_addsi3 when generating addsi3 insns.
2713 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2715 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2716 (TREE_BLOCK): Add call to EXPR_CHECK.
2718 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2721 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2722 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2723 (dump_omp_clauses): ... here.
2724 (dump_generic_node): Handle OMP_CLAUSE.
2725 * tree.c (omp_clause_num_ops): New.
2726 (omp_clause_code_name): New.
2727 (tree_code_size): Handle OMP_CLAUSE.
2728 (tree_size): Likewise.
2729 (make_node): Document handling of OMP_CLAUSE.
2730 (tree_node_structure): Handle OMP_CLAUSE.
2731 (omp_clause_check_failed): New.
2732 (omp_clause_range_check_failed): New.
2733 (omp_clause_operand_check_failed): New.
2734 (build_omp_clause): New.
2735 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2736 * tree.h (enum omp_clause_code): Declare.
2737 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2738 (OMP_CLAUSE_RANGE_CHECK): Define.
2739 (OMP_CLAUSE_ELT_CHECK): Define.
2740 (omp_clause_check_failed): Declare.
2741 (omp_clause_operand_check_failed): Declare.
2742 (omp_clause_range_check_failed): Declare.
2743 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2744 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2745 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2746 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2747 (OMP_CLAUSE_IF_EXPR): Likewise.
2748 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2749 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2750 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2751 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2752 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2753 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2754 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2755 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2756 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2757 (OMP_CLAUSE_CODE): Define.
2758 (OMP_CLAUSE_SET_CODE): Define.
2759 (OMP_CLAUSE_CODE): Define.
2760 (OMP_CLAUSE_OPERAND): Define.
2761 (struct tree_omp_clause): Declare.
2762 (union tree_node): Add field 'omp_clause'.
2763 * treestruct.def (TS_OMP_CLAUSE): Define.
2764 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2765 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2766 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2767 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2768 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2769 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2770 (OMP_CLAUSE): Define.
2771 * print-tree.c (print_node): Handle OMP_CLAUSE.
2772 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2773 * c-typeck.c: Likewise.
2774 * gimplify.c: Likewise.
2775 * c-omp.c: Likewise.
2776 * tree-nested.c: Likewise.
2777 * tree-inline.c: Likewise.
2778 * c-parser.c: Likewise.
2779 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2782 2006-01-25 Roger Sayle <roger@eyesopen.com>
2784 PR rtl-optimization/25703
2785 * combine.c (try_combine): Handle zero_extract and strict_low_part
2786 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2788 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2790 * global.c: Fix comment typos.
2792 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2795 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2796 Use output_addr_const instead of assemble_name.
2798 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2800 * Makefile.in (sched-vis.o): Update dependencies.
2801 * haifa-sched.c (sched_finish): Clear current_sched_info.
2802 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2803 (dump_flow_info): Call it.
2804 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2806 * basic-block.h (dump_bb_info): Declare.
2807 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2808 option, and apply options only for dump files whose TDF_RTL,
2809 TDF_TREE, or TDF_IPA bits match.
2810 * rtl.h: Declare new functions exported from sched-vis.c.
2811 * sched-vis.c: Enable also if scheduling is not used.
2812 (print_value): Print the mode of registers if not inside scheduling.
2813 (print_insn): Make it work outside the scheduler. Beautify the output
2815 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2817 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2819 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2820 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2821 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2822 depending on the value of CONSTANT_POOL_ADDRESS_P.
2823 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2825 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2826 rather than SYMBOL_REF_DECL.
2827 (rtx_constant_pool): Remove const_rtx_sym_htab.
2828 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2829 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2830 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2831 Remove handling of const_rtx_sym_htab.
2832 (find_pool_constant): Delete.
2833 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2834 rather than find_pool_constant.
2835 (get_pool_constant_for_function): Delete.
2836 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2838 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2839 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2840 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2841 (SYMBOL_REF_CONSTANT): New macro.
2842 (get_pool_constant_for_function): Delete.
2843 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2844 rather than SYMBOL_REF_DECL.
2845 (i386_pe_mark_dllimport): Likewise.
2846 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2847 rather than SYMBOL_REF_DECL.
2848 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2849 (machopic_indirect_call_target): Likewise.
2851 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2853 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2855 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2857 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2859 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2861 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2863 2006-01-24 David Daney <ddaney@avtrex.com>
2866 * configure.ac (enable_tls): New enable option.
2867 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2868 * configure: Regenerate.
2869 * doc/install.texi (--enable-tls): Document new option.
2870 (--disable-tls): Ditto.
2872 2006-01-24 Richard Henderson <rth@redehat.com>
2874 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2875 * alias.c (true_dependence): Respect it.
2876 (canon_true_dependence, write_dependence_p): Likewise.
2877 * builtins.c (get_builtin_sync_mem): Set it.
2879 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2881 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2884 2006-01-24 DJ Delorie <dj@redhat.com>
2886 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2887 for storing constants in single-bit bitfields.
2889 2006-01-25 Ben Elliston <bje@au.ibm.com>
2891 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2893 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2896 * tree-ssa-pre.c (phi_translate): Return NULL
2897 for AGGREGATE_TYPE's.
2899 2006-01-24 Zack Weinberg <zackw@panix.com>
2901 * genautomata.c (process_state_for_insn_equiv_partition):
2902 Use xcalloc for insn_arcs_array.
2903 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2904 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2906 2006-01-24 Richard Henderson <rth@redhat.com>
2908 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2911 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2913 PR rtl-optimization/25890
2914 PR rtl-optimization/25905
2915 * combine.c (expand_compound_operation, expand_field_assignment):
2916 Fail if the bitfield's final position is out of bounds.
2918 2006-01-24 Ian Lance Taylor <ian@airs.com>
2921 * cgraphunit.c (cgraph_output_in_order): Don't clear
2922 cgraph_asm_nodes until after asm strings have been output.
2924 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2926 * fix-header.c (read_scan_file): Add new parameter imultilib when
2927 calling register_include_chains.
2929 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2931 * omp-low.c: Update documentation.
2933 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2934 Daniel Berlin <dberlin@dberlin.org>
2938 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2939 return from the function.
2941 2006-01-22 Zack Weinberg <zackw@panix.com>
2943 * rtl.def (match_code): Add second argument.
2944 * genpreds.c (write_extract_subexp): New function.
2945 (write_match_code): Add path argument. Use write_extract_subexp.
2946 (write_predicate_expr): Pass path to write_match_code.
2947 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2948 not perform a mode test.
2949 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2950 a subexpression does not constrain the top-level code set.
2951 * read-rtl.c (read_rtx_variadic): New function.
2952 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2953 * doc/md.texi: Document new notation.
2954 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2955 (cmpsi_operand): ... here, using new notation.
2957 2006-01-22 Zack Weinberg <zackw@panix.com>
2959 * varray.c: Remove GENERATOR_FILE #ifdefs.
2961 2006-01-22 Zack Weinberg <zackw@panix.com>
2963 * genautomata.c (output_reserved_units_table): Emit nothing if
2964 description->query_units_num is zero. Remove extra blank line.
2965 (output_cpu_unit_reservation_p): Short circuit
2966 if description->query_units_num is zero.
2968 2006-01-22 Zack Weinberg <zackw@panix.com>
2970 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2971 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2972 nor any of the random handful of variables that used to be necessary
2973 when this program was linked with rtlanal.o. Prune set of forward
2974 function declarations.
2975 (struct attr_desc): Remove static_p field.
2976 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2977 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2978 (attr_string): Do not read the character one past the length of
2980 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2981 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2982 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2983 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2984 (make_automaton_attrs): New.
2985 (main): Do not call into genautomata. Call local gen_bypass
2986 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2987 Remove special case for insn_alts.
2988 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2989 varray.h (leftover from previous change). Prune set of forward
2990 function declarations. Remove state_alts fields from all
2991 structures. Remove state_alts_table from struct automaton.
2992 Make everything except main static. Do not maintain num_dfa_decls.
2993 Do not maintain state_alts fields of various structures.
2994 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2995 (add_arc): Remove state_alts argument. All callers updated.
2996 (output_reserved_units_table): Emit #ifdef here...
2997 (output_tables): ...not here. Don't generate state_alts tables.
2998 (expand_automata): Don't generate attributes.
2999 (write_automata): Don't generate state_alts functions.
3000 (main): New function.
3001 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3002 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3003 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3004 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3005 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3006 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3007 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3008 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3010 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3011 * genattrtab.h: Delete file.
3012 * Makefile.in (OBJS-common): Add insn-automata.o.
3013 (insn-automata.o): New rule.
3014 (simple_generated_c): Add insn-automata.c.
3015 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3016 (genprogmd): Add automata.
3017 (build/genattrtab): Needs no extra objects nor libraries.
3018 (build/genautomata): Needs build/vec.o and -lm.
3020 2006-01-22 Zack Weinberg <zackw@panix.com>
3022 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3023 (output_dfa_max_issue_rate, locked_states_num): Delete.
3024 (struct automaton): Add locked_states field.
3025 (output_dead_lock_vect): Save number of locked states in
3026 automaton->locked_states. If it is zero, don't print anything.
3027 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3028 (output_internal_dead_lock_func): Only test the dead_lock_vect
3029 for automata that have locked states.
3030 (output_statistics): Always print the number of locked states for
3031 each automaton. Calculate total number of locked states here.
3032 (write_automata): Don't call output_dfa_max_issue_rate.
3033 * genattrtab.c: Define length_unit_log as a const variable.
3034 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3035 max_insn_queue_index const.
3036 * final.c (length_unit_log): Declare const.
3037 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3039 2006-01-22 Zack Weinberg <zackw@panix.com>
3041 * genautomata.c: Include vec.h, not varray.h.
3042 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3043 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3044 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3045 VEC_* macros operating on appropriately typed vectors, or to
3046 malloced arrays when the size is known in advance. Const-ify
3047 many char* variables and function arguments. No functional changes.
3048 * Makefile.in (build/varray.o): Delete rule.
3049 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3050 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3052 2006-01-22 Zack Weinberg <zackw@panix.com>
3054 * gensupport.c: Define get_insn_name and record_insn_name here.
3055 (read_md_rtx): Call record_insn_name as appropriate.
3056 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3057 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3058 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3060 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3061 (BUILD_VARRAY): Delete.
3062 (genprognormal): Rename genprogmd. Fold in all programs from
3063 genprognoprint; also attrtab.
3064 (build/genattrtab): Just mention genautomata.o and varray.o.
3065 Reorganize a bit, add comments to make the categories clearer.
3067 2006-01-22 Zack Weinberg <zackw@panix.com>
3069 * genconditions.c (condition_table, add_condition): Delete.
3070 (write_conditions): Don't emit n_insn_conditions nor
3071 insn_elision_unavailable. Issue the gcc version #ifdef here,
3072 inside the table, with no #else clause ...
3073 (write_header): ...not here.
3074 (write_writer): New function.
3075 (main): Don't initialize condition_table. Use add_c_test.
3077 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3078 files on the command line.
3079 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3080 Return -1 if there is no entry in the table, don't abort.
3081 (add_c_test, traverse_c_tests): New functions.
3082 * gensupport.h (insn_elision_unavailable, insn_conditions)
3083 (n_insn_conditions): Delete declarations.
3084 (add_c_test, traverse_c_tests): Declare.
3085 * read-rtl.c: Include gensupport.h.
3086 (read_conditions): New function.
3087 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3088 (read_rtx_1): If we get EOF when we were looking for an initial
3089 open paren, return 0. Call read_conditions when appropriate.
3090 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3091 dummy-conditions.o. Eliminate references to insn-conditions.o,
3092 or change them to build/gencondmd.o, as appropriate. Remove
3093 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3094 from $(simple_generated_c). For all files remaining in those
3095 two lists, add insn-conditions.md to the generator command line.
3096 Give insn-constants.h/s-constants their own rules. Add rules
3097 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3098 (build/read-rtl.o): Depend on gensupport.h.
3099 (genprognormal): Include preds.
3100 (genprogearly): Rename genprognoprint; only difference is now that
3101 they don't link with $(BUILD_PRINT).
3102 * dummy-conditions.c: Delete.
3104 2006-01-22 Zack Weinberg <zackw@panix.com>
3106 * genextract.c: Don't include insn-config.h. Do include vec.h.
3107 Declare vectors of int, char, and locstr.
3108 (locstr): New typedef.
3109 (struct extraction): Make all array fields into bare pointers.
3110 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3111 (insn_code_number): Delete.
3112 (accum_extract): New struct.
3113 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3114 (gen_insn): Take insn_code_number as an argument. Use an
3115 accum_extract structure instead of loading data directly into
3116 a struct extraction, and having to know how big it might get.
3117 (walk_rtx): Operate entirely on an accum_extract structure.
3118 (print_path): Avoid unnecessary use of printf.
3119 (print_header): New function, split out of main. Distinguish
3120 more carefully between an unrecognizable insn and an insn that
3121 has the code number of a define_expand.
3122 (main): Pass insn_code_number to gen_insn. Call print_header
3123 only after parsing. Avoid unnecessary use of printf.
3124 * Makefile.in (build/vec.o): New rule.
3125 (build/genextract): Depend on build/vec.o.
3126 (build/genextract.o): Don't depend on insn-config.h.
3128 2006-01-22 Zack Weinberg <zackw@panix.com>
3130 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3131 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3132 practical. Eliminate per-generator-program link rules.
3134 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3137 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3138 with a call expr to ...
3139 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3141 2006-01-23 Richard Guenther <rguenther@suse.de>
3143 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3144 before make_edge with conditional EDGE_TRUE_VALUE.
3146 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3147 Jan Hubicka <jh@suse.cz>
3148 Richard Guenther <rguenther@suse.de>
3150 PR rtl-optimization/25654
3151 * cfgexpand.c (aggregate_contains_union_type): New function.
3152 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3153 for structure variables that contain a union type.
3155 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3157 * gengtype.c (new_structure): Return the structure.
3158 (create_option): Add an extra "next" argument.
3159 (create_field): New function.
3160 (adjust_field_rtx_def): Use create_option and create_field.
3161 Remove a now-unnecessary call to find_structure.
3162 (adjust_field_tree_def): Likewise.
3163 (note_yacc_type): Remove an unnecessary call to find_structure.
3164 * gengtype.h (new_structure): Return the structure.
3165 (create_option): Add an extra argument.
3166 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3167 (option): Adjust calls to create_option.
3169 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3171 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3173 2006-01-22 Paul Brook <paul@codesourcery.com>
3174 Peter Barada <peter@the-baradas.com>
3176 * config/m68k/m68k.md: Add Coldfire FPU support.
3177 Define FP mode macro and associated attributes.
3178 Use it for float mode patterns.
3179 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3180 (LIBCALL_VALUE): Use m68k_libcall_value.
3181 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3182 (m68k_function_value): Ditto.
3183 (emit_move_sequence): Ditto.
3184 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3185 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3186 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3187 (MULTILIB_EXCEPTIONS): Ditto.
3188 * config/m68k/m68k.opt: Add mcfv4e.
3189 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3190 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3191 (m68k_output_function_prologue): Save ColdFire FPU registers.
3192 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3193 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3194 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3195 ColdFire FPU registers.
3196 (m68k_libcall_value, m68k_function_value): New functions.
3197 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3198 (LIBCALL_VALUE): Use m68k_libcall_value.
3199 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3200 (MASK_COLDFIRE): Add MASK_CFV4E.
3201 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3202 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3203 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3204 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3205 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3206 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3207 * doc/invoke.tex: Document -mcfv4e on m68k.
3209 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3211 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3214 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3217 * c-opts.c (c_common_handle_option): Don't include
3218 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3219 * doc/invoke.texi (C++ Dialect Options): Document that
3220 -Wnon-virtual-dtor is no longer included in -Wall.
3222 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3224 * gcov.c (print_version), gcov-dump.c (print_version),
3225 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3228 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3230 * df-scan.c (problem_SCAN): Added NULL reset function.
3231 (df_scan_reset_blocks): Added code to call reset block function
3232 (df_bb_refs_delete) Fixed comment.
3233 (df_insn_refs_delete): Made tolerant of deleting non existent info
3234 for dataflow problems that need to be reset.
3235 * df-core.c (df_set_blocks): Ditto.
3236 * df.h (struct df_problem): Added reset_fun.
3237 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3238 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3239 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3240 functions to clear out all references to def-use or use-def chains.
3242 2006-01-21 Ben Elliston <bje@au.ibm.com>
3244 * varasm.c (assemble_real): Initialise data array.
3246 2006-01-20 Paul Brook <paul@codesourcery.com>
3248 Merge from csl-arm-branch.
3249 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3250 * config/arm/arm.md (movdi): Force operands[1] to a register
3251 if we have a non-register source.
3252 (*arm_movdi, *movdf_soft_insn): Require that one of the
3253 operands be a register.
3254 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3255 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3257 2006-01-20 DJ Delorie <dj@redhat.com>
3259 * varasm.c (initialize_constant_valid_p): Allow pointers
3260 initialized from integer constants of lesser precision.
3261 (output_constant): Allow non-int-sized pointer modes to be
3262 initialized from integer constants.
3264 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3267 * cppdefault.h (struct default_include): Add multilib flag.
3268 * cppdefault.c (cpp_include_defaults): Set it.
3269 * c.opt (-imultilib): New option.
3270 * c-opts.c (imultilib): New.
3271 (c_common_handle_option): Handle -imultilib.
3272 (c_common_post_options): Likewise.
3273 * c-incpath.c (add_standard_paths, register_include_chains):
3275 * c-incpath.h (register_include_chains): Add extra parameter.
3276 * gcc.c (do_spec_1): Generate -imultilib option.
3277 (The Specs Language): Update %I description.
3278 (process_command): Update copyright notice.
3279 * doc/cppopts.texi (-imultilib): Document.
3280 * doc/invoke.texi (-imultilib): Include in option summary.
3281 (%I): Update specs documentation.
3283 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3285 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3287 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3289 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3292 2006-01-20 Richard Guenther <rguenther@suse.de>
3293 Steven Bosscher <stevenb.gcc@gmail.com>
3295 PR rtl-optimization/24626
3296 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3297 EDGE_TRUE_VALUE if in RTL mode.
3300 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3301 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3303 2006-01-20 Dirk Mueller <dmueller@suse.com>
3306 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3307 instead of a special NOP marker.
3308 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3309 NOP marker handling.
3310 * c-common.h (empty_body_warning): Add forward declaration.
3311 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3312 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3314 2006-01-20 Paul Brook <paul@codesourcery.com>
3316 * Makefile.in (lang_checks): Keep going if mkdir fails.
3318 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3320 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3321 be able to clean out basic block when not necessary.
3322 (df_scan_free): Fixed to properly delete information if df is
3323 unused before calling df_finish.
3324 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3325 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3327 (df_bb_refs_delete): New function.
3328 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3329 * df-core.c (df_set_blocks): Added code to properly clean out
3330 unused blocks if they are not part of the blocks to consider.
3331 Added additional null check.
3332 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3333 be able to clean out basic block when not necessary
3334 * df.h (df_free_bb_function): Ditto.
3335 (df_bb_refs_delete): New function.
3336 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3337 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3338 basic block parameter to be able to clean out basic block when not
3340 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3341 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3342 Fixed to properly delete information if df is unused before
3345 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3347 PR rtl-optimization/25799
3348 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3349 Corrected confluence operator to remove bits from op2 before oring
3350 with op1 rather than removing bits from op1.
3351 (df_ru_transfer_function): Corrected test on wrong bitmap which
3352 caused infinite loop. Both of these problems were introduced in
3353 the dataflow rewrite.
3355 2006-01-19 DJ Delorie <dj@redhat.com>
3357 * reload1.c (find_reload_regs): Note the details of reload
3358 failures in the dump file.
3359 (spill_failure): Likewise.
3361 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3363 * loop-iv.c: Include df.h and hashtab.h.
3364 (enum iv_grd_result): New enum.
3365 (DF_REF_IV, DF_REF_IV_SET): New macros.
3366 (struct biv_entry): New.
3367 (df, bivs): New global variables.
3368 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3369 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3371 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3372 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3373 analyzed_for_bivness_p, record_biv): New functions.
3374 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3375 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3376 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3378 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3380 (iv_number_of_iterations): Use new interface to iv analysis.
3381 * loop-unroll.c: Do not include varray.h.
3382 (analyze_iv_to_split_insn): Use new interface to iv
3384 * loop-unswitch.c (may_unswitch_on): Ditto.
3385 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3387 (df_bb_modify): Realloc tables to the new index.
3388 (df_find_use): New function.
3389 * df.h (df_find_use): Declare.
3390 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3392 * cfgloop.h (struct rtx_iv): Remove analysed field.
3393 (iv_get_reaching_def): Removed.
3394 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3395 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3396 (loop-iv.o): Add df.h and hashtab.h dependency.
3397 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3399 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3402 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3404 (__floatundisf, __floatundidf): Likewise.
3405 * libgcc2.h (IS_IBM_EXTENDED): Define.
3407 2006-01-19 DJ Delorie <dj@redhat.com>
3409 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3411 2006-01-19 Paul Brook <paul@codesourcery.com>
3413 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3414 as nothrow when unwinding tables are disabled.
3416 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3419 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3420 of bit-field" when in system header.
3422 2006-01-19 DJ Delorie <dj@redhat.com>
3424 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3425 the 16 bit shift limit of the m16c.
3427 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3430 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3431 * config/i386/i386.c (output_set_got): Output the label if we have one
3432 for the TARGET_DEEP_BRANCH_PREDICTION case.
3434 2006-01-19 Jan Hubicka <jh@suse.cz>
3435 H.J. Lu <hongjiu.lu@intel.com>
3436 Evandro Menezes <evandro.menezes@amd.com>
3438 * invoke.texi (generic): Document
3440 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3441 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3442 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3443 (x86_use_incdec, x86_pad_returns): New variables
3444 (TARGET_CPU_DEFAULT_generic): New constant
3445 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3446 (enum processor_type): Add generic32 and generic64.
3447 * i386.md (cpu attribute): Add generic32/generic64
3448 (movhi splitter): Behave sanely when both partial_reg_dependency and
3449 partial_reg_stall are set.
3450 (K8 splitters): Enable for generic as well.
3451 * predicates.md (incdec_operand): Use TARGET_INCDEC
3452 (aligned_operand): Avoid memory mismatch stalls.
3453 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3454 * ppro.md: Enable for generic32
3455 * i386.c (generic64_cost, generic32_cost): New.
3456 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3457 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3458 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3459 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3460 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3461 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3462 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3463 x86_accumulate_outgoing_args, x86_prologue_using_move,
3464 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3465 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3467 (x86_use_incdec, x86_pad_returns): New.
3468 (override_options): Add generic32 and generic64, translate "generic"
3469 to generic32/generic64 and "i686" to "generic32", refuse
3470 "generic32"/"generic64" as arch target.
3471 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3472 (ix86_reorg): Honor PAD_RETURNS.
3474 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3476 * tree-pretty-print.c (dump_generic_node): Handle
3477 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3478 * cgraph.c (cgraph_expand_queue): Rename from
3479 cgraph_analyze_queue. Update all users.
3480 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3481 cgraph_expand_queue.
3482 (cgraph_expand_all_functions): Likewise.
3483 (cgraph_finalize_pending_functions): Remove. Update callers.
3485 * tree.h (OMP_DIRECTIVE_P): Define.
3486 (OMP_PARALLEL_FN): Define.
3487 (OMP_PARALLEL_DATA_ARG): Define.
3488 (OMP_SECTIONS_SECTIONS): Define.
3489 * tree-pass.h (pass_expand_omp): Declare.
3490 * omp-low.c (struct omp_region): Declare.
3491 (struct omp_context): Remove fields 'parallel_type',
3492 'parallel_start_ix' and 'parallel_start_additional_args'.
3494 (struct omp_for_data): Rename from struct expand_omp_for_data.
3495 (omp_regions): New static variable.
3496 (root_omp_region): New static variable.
3497 (find_omp_clause): Make static.
3498 (is_in_combined_parallel_ctx): Remove.
3499 (is_combined_parallel): New.
3500 (extract_omp_for_data): Move earlier in the file.
3501 (workshare_safe_to_combine_p): New.
3502 (get_ws_args_for): New.
3503 (determine_parallel_type): Move earlier in the file.
3504 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3506 (omp_copy_decl): Likewise.
3507 (create_omp_child_function): Likewise.
3508 (lookup_omp_region): New.
3509 (dump_omp_region): New.
3510 (debug_omp_region): New.
3511 (debug_all_omp_regions): New.
3512 (new_omp_region): New.
3513 (scan_omp_parallel): If parallel_nesting_level > 1, the
3514 directive is nested within another parallel directive.
3515 Set OMP_PARALLEL_FN.
3516 (scan_omp_for): Do not try to handle combined parallel+for
3518 Remove FIXME comment.
3519 (scan_omp_nested): Remove.
3520 (scan_omp_1): Do not call scan_omp_nested when
3521 parallel_nesting_level is > 1.
3522 Do not change the DECL_CONTEXT of local variables found.
3523 (lookup_decl_in_outer_ctx): New.
3524 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3525 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3526 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3527 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3528 If CTX is nested, lookup VAR in the outer context when
3529 building copy assignment.
3530 (lower_send_clauses): Rename from expand_send_clauses.
3531 If CTX is nested, lookup VAR in the outer context when
3532 building copy assignments.
3533 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3534 If CTX is nested, lookup VAR in the outer context when
3535 building copy assignments.
3536 (expand_parallel_call): Rename from build_parallel_call.
3537 Handle combined parallel+workshare cases.
3538 Re-implement to emit code into the CFG.
3540 (expand_omp_parallel): Re-implement to emit code into the CFG.
3541 Call move_sese_region_to_fn to outline the sub-graph
3542 containing the parallel region.
3543 (expand_omp_for_1): Remove.
3544 (expand_omp_for_generic): Re-implement to emit code into the
3546 (expand_omp_for_static_nochunk): Likewise.
3547 (expand_omp_for_static_chunk): Likewise.
3548 (expand_omp_for): Likewise.
3549 (expand_omp_sections): Likewise.
3550 (remove_exit_barriers): New.
3551 (expand_omp_synch): New.
3553 (build_omp_regions_1): New.
3554 (build_omp_regions): New.
3555 (execute_expand_omp): New.
3556 (gate_expand_omp): New.
3557 (pass_expand_omp): Define.
3558 (lower_omp_sections): Rename from expand_omp_sections.
3559 Set OMP_SECTIONS_SECTIONS.
3560 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3561 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3562 (lower_omp_single): Rename from expand_omp_simple.
3563 (lower_omp_master): Rename from expand_omp_master.
3564 (lower_omp_ordered): Rename from expand_omp_ordered.
3565 (lower_omp_critical): Rename from expand_omp_critical.
3566 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3567 (lower_omp_for): Re-implement.
3568 (lower_omp_parallel): Re-implement.
3569 (lower_regimplify): Rename from expand_regimplify.
3570 (lower_omp_1): Rename from expand_omp_1.
3571 If there are syntax errors in the program, replace every
3572 OpenMP directive with NOP.
3573 Call lower_omp_* instead of expand_omp_*.
3574 (lower_omp): Rename from expand_omp.
3576 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3577 * tree-gimple.h (enum omp_parallel_type): Remove.
3578 (gimple_boolify): Declare extern.
3579 (find_omp_clause, determine_parallel_type): Remove.
3581 * gimple-low.c (lower_omp_directive): New.
3582 (lower_stmt): Call it.
3583 (record_vars_into): Move from ...
3584 (record_vars): ... here.
3585 Call record_vars_into with current_function_decl.
3587 * gimplify.c (struct gimplify_ctx): Remove fields
3588 combined_pre_p and combined_ctxp. Update users.
3589 (get_formal_tmp_var): Add documentation.
3590 (gimple_boolify): Make extern.
3591 (gimplify_expr_in_ctx): Remove. Update callers.
3592 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3593 will always be a BIND_EXPR.
3594 (gimplify_expr): Handle OMP_RETURN_EXPR.
3595 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3596 (OMP_PARALLEL): Add 3 operands.
3597 (OMP_SECTIONS): Add 1 operand.
3598 (OMP_RETURN_EXPR): Define.
3600 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3601 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3602 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3603 creating a circular free list.
3604 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3606 * tree-flow.h (move_sese_region_to_fn): Declare.
3607 (record_vars_into): Declare.
3608 * tree-cfg.c (make_omp_sections_edges): New.
3609 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3610 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3611 OMP_SECTIONS and OMP_SECTION.
3612 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3613 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3614 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3615 (gather_blocks_in_sese_region): New.
3616 (struct move_stmt_d): Declare.
3618 (move_block_to_fn): New.
3619 (move_sese_region_to_fn): New.
3621 * passes.c (init_optimization_passes): Schedule
3622 pass_expand_omp after pass_init_datastructures.
3624 * tree-ssa-operands.c (get_expr_operands): Handle
3625 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3626 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3628 2006-01-19 Jeff Law <law@redhat.com>
3630 * tree-vrp.c (extract_range_from_assert): Refine the result range
3631 if the variable referenced by the ASSERT_EXPR has a range and
3632 either the tentative result range or the previous range is a
3635 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3637 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3639 2006-01-19 Jan Hubicka <jh@suse.cz>
3641 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3643 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3645 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3646 (expand_compound_operation, expand_field_assignment): Fail if the
3647 bit lengths of an extract operation are out of range.
3648 (make_extraction): Compute wanted_inner_mode based on the position
3649 and length of the extraction. Make it extraction_mode for non-constant
3650 positions, and do not modify offset in that case. When generating a
3651 new MEM, use a mode that can hold the extraction while keeping correct
3652 alignment. Remove code that supported MEMs wrapped by USEs.
3653 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3655 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3657 * config/s390/s390.md ("Y", "y"): New mode attribute.
3658 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3659 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3660 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3661 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3662 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3663 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3664 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3665 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3666 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3667 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3668 "addsi3", "subsi3"): Insn patterns removed.
3669 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3670 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3671 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3672 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3673 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3674 "*sub<mode>3_cconly2"): New insn patterns.
3675 ("addsi3", "subsi3"): New expanders.
3677 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3679 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3680 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3681 existing STMT_VINFO_VECTYPE if available.
3682 (vect_mark_relevant): Add special handling for stmts that are
3683 marked as STMT_VINFO_IN_PATTERN_P.
3684 (vect_analyze_loop): Call vect_pattern_recog.
3685 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3686 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3688 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3689 (vect_recog_func_ptr): New function-pointer type.
3690 * tree-vect-patterns.c: New file.
3691 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3692 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3693 (vect_pattern_recog_1): New functions.
3694 (vect_pattern_recog_funcs): New array of function pointers.
3696 * tree-vectorizer.h (ternary_op): New enum value.
3697 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3698 declaration. Revised documentation. Removed redundant dump prints.
3699 Removed redundant argument. Added support for reduction patterns.
3700 (vectorizable_reduction): Added support for reduction patterns.
3701 (vect_transform_stmt): Added support for patterns.
3703 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3704 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3705 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3706 (expand_widen_pattern_expr): New function.
3707 (init_optabs): Initialize new optabs udot_prod_optab,
3709 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3710 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3711 (expand_widen_pattern_expr): New function declaration.
3712 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3714 * tree-inline.c (estimate_num_insns_1): Added cases for new
3715 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3716 * tree-pretty-print.c (dump_generic_node): Likewise.
3717 (op_prio): Likewise.
3718 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3719 * tree-ssa-operands.c (get_expr_operands): Added case for
3721 * tree-vect-patterns.c (widened_name_p): New function.
3722 (vect_recog_dot_prod_pattern): Added function implementation.
3723 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3724 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3725 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3726 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3728 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3729 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3730 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3731 (init_optabs): Initialize new optabs widen_ssum_optab,
3733 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3734 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3735 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3736 use instead of type of def.
3737 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3738 function implementation.
3739 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3740 widen_ssumv8hi): New.
3742 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3745 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3748 * c-decl.c (add_flexible_array_elts_to_size): New function.
3749 (finish_decl): Use it.
3751 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3753 * diagnostic.h: Include options.h.
3754 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3755 dependancies for diagnostic.h.
3756 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3758 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3760 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3761 (ssa_ro_call_cache_valid): Ditto.
3762 * tree-ssa-alias.c (sort_tags_by_id): New function.
3763 (init_transitive_clobber_worklist): Ditto.
3764 (add_to_worklist): Ditto.
3765 (mark_aliases_call_clobbered): Ditto.
3766 (compute_tag_properties): Ditto.
3767 (set_initial_properties): Ditto.
3768 (compute_call_clobbered): Ditto.
3769 (compute_may_aliases): Call compute_call_clobbered and grouping.
3770 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3771 (compute_flow_insensitive_aliasing): Grouping now happens in our
3773 (setup_pointers_and_addressables): Remove clobbering related code.
3774 (add_may_alias): Ditto.
3775 (replace_may_alias): Ditto.
3776 (get_nmt_for): Ditto.
3777 (create_global_var):
3778 (is_escape_site): Return an escape_type enumeration.
3779 * tree-flow-inline.h (is_call_clobbered): Global var does not
3780 imply call clobbered.
3781 (mark_call_clobbered): Take a reason for marking this. Remove
3782 marking of globalness, and cache invalidation.
3783 (clear_call_clobbered): Remove cache invalidation code.
3784 * tree-dfa.c (dump_variable): If details is on, dump the reason
3786 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3788 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3789 (struct var_ann_d): Ditto.
3790 (enum escape_type): New.
3791 (mark_call_clobbered): Adjust prototype.
3792 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3793 are never call clobbered.
3794 Record reasons for escaping.
3795 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3796 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3797 (ssa_ro_call_cache_valid): Ditto.
3798 (clobbered_v_may_defs): Ditto.
3799 (clobbered_vuses): Ditto.
3800 (ro_call_vuses): Ditto.
3801 (clobber_stats): New.
3802 (init_ssa_operands): Zero out clobber stats.
3803 (fini_ssa_operands): Print out clobber stats.
3804 (get_call_expr_operands): Pass callee fndecl to
3806 (add_call_clobber_ops): Remove use of cache.
3807 Add use of PURE_CONST information.
3808 (add_call_read_ops): Remove use of cache.
3809 Add use of static not_read information.
3811 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3813 Introduce TLS descriptors for i386 and x86_64.
3814 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3815 (TARGET_ANY_GNU_TLS): New macro.
3816 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3817 (struct machine_function): Add tls_descriptor_call_expanded_p.
3818 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3819 (ix86_current_function_calls_tls_descriptor): Likewise.
3820 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3821 (override_options): Introduce gnu2 tls dialect.
3822 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3824 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3826 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3827 (ix86_init_machine_status): Initialize new field.
3828 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3829 (ix86_tls_module_base): New.
3830 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3831 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3832 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3833 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3834 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3835 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3836 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3837 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3838 * config/i386/predicates.md (tls_modbase_operand): New.
3839 (tp_or_register_operand): New.
3841 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3843 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3844 (look_for_address_of): Ditto.
3845 (ipa_init): Walk the function decls.
3846 (static_execute): Don't set readonly on FUNCTION_DECL's.
3848 2006-01-18 Roger Sayle <roger@eyesopen.com>
3850 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3851 for shifts where the source and destination registers are different.
3853 2006-01-18 Paul Brook <paul@codesourcery.com>
3855 Merge from csl-arm-branch.
3856 2005-03-14 Julian Brown <julian@codesourcery.com>
3857 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3858 (aeabi_llsl): Likewise.
3859 (ashrdi3): Likewise.
3860 (aeabi_lasr): Likewise.
3861 (lshrdi3): Likewise.
3862 (aeabi_llsr): Likewise.
3863 2005-03-10 Julian Brown <julian@codesourcery.com>
3864 * config.gcc: Disable shared libgcc for SymbianOS.
3865 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3867 2006-01-18 DJ Delorie <dj@redhat.com>
3869 * c-pragma.c (handle_pragma_diagnostic): New.
3870 (init_pragma): Register it.
3871 * doc/extend.texi: Document it.
3873 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3874 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3875 (diagnostic_context): Add classify_diagnostic[].
3876 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3877 as errors if they're overridden to DK_WARNING.
3878 (diagnostic_initialize): Initialize classify_diagnostic[].
3879 (diagnostic_set_kind_override): New.
3880 (diagnostic_report_diagnostic): Check for kind changes.
3881 * opts.c (common_handle_option): Take lang_mask. Update callers.
3883 * common.opt (Werror=): New.
3884 * doc/invoke.texi: Document -Werror=*
3886 2006-01-18 Jeff Law <law@redhat.com>
3888 * tree-vrp.c (test_for_singularity): Correct test for new
3889 min limit. Use operand_equal_p rather than pointer equality
3890 for testing if new min/max values are equal.
3892 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3893 using range information until after propagation and folding.
3895 2006-01-18 Richard Henderson <rth@redhat.com>
3896 Aldy Hernandez <aldyh@redhat.com>
3897 Jakub Jelinek <jakub@redhat.com>
3898 Diego Novillo <dnovillo@redhat.com>
3900 * omp-low.c: New file.
3901 * c-omp.c: New file.
3903 2006-01-18 Richard Henderson <rth@redhat.com>
3904 Jakub Jelinek <jakub@redhat.com>
3905 Diego Novillo <dnovillo@redhat.com>
3907 * doc/invoke.texi: Document -fopenmp.
3908 * tree-dump.h (debug_function): Declare.
3909 * hooks.c (hook_bool_tree_bool_false): New function.
3910 (hook_tree_tree_null): Remove.
3911 (hook_tree_tree_tree_null): New.
3912 * hooks.h: Update to match.
3913 * tree-pretty-print.c (debug_tree_chain): New.
3914 (print_generic_expr): Handle TDF_CHAIN.
3915 (dump_generic_node): Handle BLOCK.
3916 Do not abort with incomplete SWITCH_EXPRs.
3917 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3918 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3919 print space after directive name.
3920 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3921 Handle OMP_MASTER and OMP_ORDERED.
3922 Handle printing of OMP_BODY just in one place, goto
3923 dump_omp_body in the rest of OMP_* nodes that have
3925 Don't handle clause nodes here. Update omp statements to
3926 use dump_omp_clauses.
3927 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3928 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3929 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3930 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3931 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3932 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3933 Adjust output for GOMP_PARALLEL.
3934 (dump_omp_clauses): New.
3935 (print_declaration): Dump DECL_VALUE_EXPR.
3936 (op_symbol_1): Split out of op_symbol.
3937 (dumping_stmts): Remove. Update all users.
3938 * cgraph.c (cgraph_analyze_queue): New.
3939 (cgraph_add_new_function): New.
3940 * cgraph.h (cgraph_analyze_queue): Declare.
3941 (cgraph_add_new_function): Declare.
3942 (cgraph_lower_function): Remove.
3943 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3944 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3945 and TYPE_P nodes in its default clause.
3946 (empty_body_p): New.
3947 (tree_range_check_failed): New.
3949 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3950 OMP_CLAUSE_REDUCTION_MERGE,
3951 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3952 OMP_CLAUSE_PRIVATE_DEBUG,
3953 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3954 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3955 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3956 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3957 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3958 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3959 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3960 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3961 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3962 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3963 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3964 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3965 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3966 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3967 (TREE_RANGE_CHECK): New.
3968 (empty_body_p): Declare.
3969 (enum omp_clause_default_kind): New.
3970 (build_string_literal): Declare.
3971 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3972 (build5_stat, build5): Declare.
3973 * tree-pass.h (TDF_CHAIN): Define.
3974 * tree-pass.h (PROP_gimple_lomp): Define.
3975 (pass_lower_omp): Declare.
3976 * diagnostic.h (debug_tree_chain): Declare.
3977 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3979 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3980 * builtins.c (build_string_literal): Make extern.
3981 * gcc.c (include_spec_function): New.
3982 (static_spec_functions): Add it.
3983 (main): Move load of libgomp.spec ...
3984 (LINK_COMMAND_SPEC): ... here.
3985 (link_gomp_spec): New.
3986 (static_specs): Include it.
3987 (LINK_COMMAND_SPEC): Add link_gomp.
3988 (GOMP_SELF_SPECS): New.
3989 (driver_self_specs): Include it.
3990 (switch_matches): Don't mark inline.
3991 (main): Load libgomp.spec.
3992 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3993 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3994 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3995 * tree-gimple.h (enum omp_parallel): Declare.
3996 (determine_parallel_type): Declare.
3997 (omp_firstprivatize_variable): Declare.
3998 (omp_reduction_init): Declare.
3999 (diagnose_omp_structured_block_errors): Declare.
4000 (struct walk_stmt_info): Add want_return_expr.
4001 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4002 (find_omp_clause): Declare.
4003 (insert_field_into_struct): Declare.
4004 (struct walk_stmt_info): Move from tree-nested.c
4005 (walk_stmts): Declare.
4006 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4008 * cgraphunit.c (cgraph_lower_function): Make static.
4009 (cgraph_finalize_pending_functions): New.
4010 (cgraph_finalize_function): Call it.
4011 (cgraph_finalize_compilation_unit): Likewise.
4012 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4013 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4014 (BT_FN_UINT_UINT): New.
4015 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4016 DEF_FUNCTION_TYPE_VAR_4): Document.
4017 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4018 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4019 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4020 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4021 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4022 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4023 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4024 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4025 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4026 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4027 into separate files.
4028 (DEF_GOMP_BUILTIN): New.
4029 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4030 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4031 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4032 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4033 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4034 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4035 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4036 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4037 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4038 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4039 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4040 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4041 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4042 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4043 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4044 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4045 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4046 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4047 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4048 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4049 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4050 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4051 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4052 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4053 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4054 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4055 * sync-builtins.def: New file, moved from builtins.def.
4056 * omp-builtins.def: New file, moved from builtins.def.
4057 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4058 * gimple-low.c (lower_function_body): Clear data.
4059 (lower_stmt): Do not handle COMPOUND_EXPR.
4060 Remove call to print_node_brief.
4061 * c-tree.h (c_finish_omp_clauses): New prototype.
4062 (C_DECL_THREADPRIVATE_P): Define.
4063 (lookup_name_no_remap, c_omp_remap_private): Remove
4064 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4065 (check_for_loop_decls): Update decl.
4066 (lookup_name_no_remap, c_omp_remap_private): Declare.
4067 (build_indirect_ref, build_modify_expr, pushdecl,
4068 pushdecl_top_level): Move to c-common.h.
4069 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4070 before the switch, but just in the 2 places that need it.
4071 * c-decl.c (diagnose_mismatched_decls): Do not check for
4072 mismatched thread-local attributes when OLDDECL is marked
4073 threadprivate and NEWDECL has no thread-local attributes.
4074 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4075 (c_gimple_diagnostics_recursively): Rename from
4076 c_warn_unused_result_recursively. Invoke
4077 diagnose_omp_structured_block_errors.
4078 (check_for_loop_decls): Return a singular decl found.
4079 * langhooks.c (lhd_omp_predetermined_sharing): Return
4080 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4081 (lhd_omp_firstprivatize_type_sizes): New.
4082 (lhd_omp_assignment): New.
4083 (lhd_omp_predetermined_sharing): New.
4084 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4085 (struct lang_hooks_for_types): Add
4086 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4087 omp_predetermined_sharing, omp_disregard_value_expr,
4088 omp_private_debug_clause, omp_clause_default_ctor,
4089 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4090 (c_finish_omp_clauses): New.
4091 (c_finish_bc_stmt): Diagnose break within omp for.
4092 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4093 (build_unary_op): Return error_mark after reporting
4095 (build_modify_expr): Likewise.
4096 * gimplify.c: Include optabs.h and pointer-set.h.
4097 (enum gimplify_omp_var_data): Declare.
4098 (struct gimplify_omp_ctx): Declare.
4099 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4101 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4102 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4103 (splay_tree_compare_decl_uid): New.
4104 (new_omp_context): New.
4105 (delete_omp_context): New.
4106 (gimple_add_tmp_var): Call omp_add_variable.
4107 (gimplify_bind_expr): Likewise.
4108 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4109 true, disregard DECL_VALUE_EXPR on the decl if any.
4110 (gimplify_expr_in_ctx): New.
4111 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4112 omp_add_variable, omp_notice_variable, omp_is_private
4113 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4114 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4115 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4116 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4117 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4118 gimplify_omp_atomic): New.
4119 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4120 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4121 OMP_CRITICAL and OMP_ATOMIC.
4122 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4123 * c-pragma.h (enum pragma_kind): Add
4124 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4125 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4126 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4127 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4128 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4129 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4130 PRAGMA_OMP_THREADPRIVATE.
4131 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4132 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4133 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4134 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4135 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4136 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4137 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4138 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4139 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4140 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4141 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4142 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4143 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4145 (struct nesting_info): Add field_map,
4146 suppress_expansion, debug_var_chain.
4147 (create_nesting_tree): Initialize them.
4148 (lookup_field_for_decl): Use field_map.
4149 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4150 (convert_local_omp_clauses): New.
4151 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4152 (walk_body): Split out of walk_function.
4153 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4154 (convert_nonlocal_reference): Handle omp statements.
4155 (convert_local_reference): Likewise.
4156 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4157 (unnest_nesting_tree): New.
4158 (lower_nested_functions): Call it.
4159 (insert_field_into_struct): Make extern.
4160 (struct walk_stmt_info): Move to tree-gimple.h.
4161 (walk_stmts): Make extern.
4162 * omp-builtins.def: New file.
4163 * tree-iterator.c (expr_only): Clarify comment.
4164 * c-common.h (pushdecl_top_level, pushdecl,
4165 build_modify_expr, build_indirect_ref,
4166 c_finish_omp_master, c_finish_omp_critical,
4167 c_finish_omp_ordered, c_finish_omp_barrier,
4168 c_finish_omp_atomic, c_finish_omp_flush,
4169 c_finish_omp_for, c_split_parallel_clauses,
4170 omp_clause_default_kind, c_omp_sharing_predetermined,
4171 c_omp_remap_decl): Declare.
4172 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4173 (OBJS-common): Add omp-low.o.
4174 (c-omp.o, omp-low.o): Add.
4175 (gimplify.o): Add dependency on $(OPTABS_H).
4176 (GTFILES): Add omp-low.c.
4177 (gt-stringpool.h): Add.
4178 * tree-cfg.c (set_bb_for_stmt): Do not update the
4179 block-to-labels map if we are currently expanding to RTL.
4180 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4182 Handle IDENTIFIER_NODE.
4183 (tree_verify_flow_info): Do not ICE when emitting error
4184 messages about invalid labels.
4185 (dump_function_to_file): Reset CFUN before emitting the body
4187 (debug_function): New.
4188 * passes.c (init_optimization_passes): Schedule
4190 * langhooks-def.h (lhd_omp_predetermined_sharing,
4191 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4193 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4194 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4195 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4196 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4197 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4198 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4199 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4200 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4201 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4202 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4203 (LANG_HOOK_DECLS): Use them.
4205 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4206 Richard Henderson <rth@redhat.com>
4207 Jakub Jelinek <jakub@redhat.com>
4208 Diego Novillo <dnovillo@redhat.com>
4210 * c-parser.c (pragma_omp_clause): Define.
4211 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4212 (c_parser_compound_statement): Likewise.
4213 (c_parser_statement): Likewise.
4214 (c_parser_pragma): Handle omp pragmas.
4215 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4216 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4217 (c_parser_omp_clause_name, check_no_duplicate_clause,
4218 c_parser_omp_variable_list,
4219 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4220 c_parser_omp_clause_copyprivate,
4221 c_parser_omp_clause_default,
4222 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4223 c_parser_omp_clause_lastprivate,
4224 c_parser_omp_clause_nowait,
4225 c_parser_omp_clause_num_threads,
4226 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4227 c_parser_omp_clause_reduction,
4228 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4229 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4230 c_parser_omp_atomic, c_parser_omp_barrier,
4231 c_parser_omp_critical, c_parser_omp_flush,
4232 c_parser_omp_for_loop, c_parser_omp_for,
4233 c_parser_omp_master, c_parser_omp_ordered,
4234 c_parser_omp_sections_scope, c_parser_omp_sections,
4235 c_parser_omp_parallel, c_parser_omp_single,
4236 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4237 * c-pragma.c (init_pragma): Do omp pragma registration here.
4238 * c.opt (fopenmp): New flag.
4240 2006-01-18 Eric Christopher <echristo@apple.com>
4242 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4243 * config/darwin.h (GOMP_SELF_SPECS): Define.
4245 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4247 * rtl.h: Remove the prototype for reg_alloc.
4249 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4252 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4253 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4254 sjlj and dwarf2 exception handling.
4255 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4256 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4257 * pa/pa.c (function_value): Treat complex and vector types as
4259 (function_arg): Likewise. Only pass scalar floats in the floating
4260 point argument registers.
4261 * pa/t-slibgcc-dwarf-ver: New file.
4262 * pa/t-slibgcc-sjlj-ver: New file.
4263 * pa/t-slibgcc-elf-ver: Delete file.
4265 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4267 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4268 unlikely_test_section_p test.
4270 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4272 * mode-switching.c (optimize_mode_switching): Make it static.
4273 * basic-block.h: Remove the prototype for
4274 optimize_mode_switching.
4276 * modulo-sched.c (sms_schedule): Make it static.
4277 * rtl.h: Remove the prototype for sms_schedule.
4279 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4280 * rtl.h: Remove the prototype for gcse_after_reload_main.
4282 * reg-stack.c (reg_to_stack): Make it static.
4283 * rtl.h: Remove the prototype for reg_to_stack.
4285 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4287 * rtl.h: Remove the prototypes for regrename_optimize and
4288 copyprop_hardreg_forward.
4290 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4292 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4293 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4294 Test against the appropriate null constant for the mode.
4295 If 'fixup_overlap' is true, swap the operands if they overlap.
4296 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4297 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4298 alpha_split_tmode_pair and adjust for above change.
4299 * config/alpha/alpha.md (movtf_internal): Adjust call to
4300 alpha_split_tfmode_pair and rely on it to swap the operands.
4301 (movti_internal): New insn and post-reload splitter.
4302 (movti): New expander.
4304 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4306 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4309 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4311 * rtlanal.c (global_reg_mentioned_p_1,
4312 global_reg_mentioned_p): Remove.
4313 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4315 * flow.c (initialize_uninitialized_subregs): Make it static.
4316 * rtl.h: Remove the prototype for
4317 initialize_uninitialized_subregs.
4319 * function.c (instantiate_virtual_regs): Make it static.
4320 * function.h: Remove the prototype for
4321 instantiate_virtual_regs.
4323 * regmove.c (regmove_optimize, combine_stack_adjustments):
4325 * rtl.h: Remove the prototypes for regmove_optimize and
4326 combine_stack_adjustments.
4328 2006-01-17 Roger Sayle <roger@eyesopen.com>
4330 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4331 (size_cost): Encode costs in bytes so that a reg-reg addition is
4332 equivalent to COSTS_N_INSNS(1).
4333 (override_options): Use the size_cost.branch_cost as the default
4334 ix86_branch_cost when optimizing for size.
4336 2006-01-18 Ben Elliston <bje@au.ibm.com>
4338 * Makefile.in (D32PBIT_FUNCS): New.
4339 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4340 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4341 D64PBIT_FUNCS and D128PBIT_FUNCS.
4342 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4343 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4345 (decnumber_dep): Define.
4346 * doc/libgcc.texi (Decimal float library routines): New node.
4347 * config/dfp-bit.h, config/dfp-bit.c: New files.
4349 2006-01-18 Ben Elliston <bje@au.ibm.com>
4351 * expr.c (emit_move_change_mode): Always adjust addresses, not
4352 just during reload. Copy replacements only during reload.
4353 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4354 emit_move_via_integer.
4356 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4358 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4359 instead of $(srcdir) and ${srcdir}.
4361 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4365 * arm.h (struct machine_function): Add pic_reg.
4366 * arm.c (arm_pic_register): Make unsigned.
4367 (arm_override_options): Only set arm_pic_register if
4368 TARGET_SINGLE_PIC_BASE.
4369 (use_return_insn): Only test for a pic register if it is fixed.
4370 (arm_compute_save_reg0_reg12_mask): Likewise.
4371 (thumb_compute_save_reg_mask): Likewise.
4372 (legitimate_pic_operand): Factor out some known invariants.
4373 (legitimize_pic_address): If we don't have a fixed pic register,
4374 then set up a pseudo in the function entry sequence. Handle the
4375 pic base being in a pseudo.
4376 (arm_load_pic_register): Handle the pic register being in a pseudo.
4377 (arm_expand_prologue): Only set up the pic register if it is fixed.
4378 (thumb_expand_prologue): Likewise.
4379 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4380 (pic_load_addr_based_insn): Likewise.
4381 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4384 2006-01-18 Ben Elliston <bje@au.ibm.com>
4386 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4387 decimal float modes for all floating point registers.
4389 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4390 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4392 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4395 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4396 even when the pointer is not NULL.
4398 2006-01-16 Ian Lance Taylor <ian@airs.com>
4400 * common.opt (ftoplevel-reorder): New option.
4401 * cgraph.c (cgraph_asm_nodes): New global variable.
4402 (cgraph_asm_last_node): New static variable.
4403 (cgraph_order): New global variable.
4404 (cgraph_create_node): Set new order field.
4405 (cgraph_varpool_node): Likewise.
4406 (decide_is_variable_needed): Return true if not
4407 flag_toplevel_reorder.
4408 (cgraph_add_asm_node): New function.
4409 * cgraph.h (struct cgraph_node): Add order field.
4410 (struct cgraph_varpool_node): Add order field.
4411 (struct cgraph_asm_node): Define.
4412 (cgraph_asm_nodes, cgraph_order): Declare.
4413 (cgraph_add_asm_node): Declare.
4414 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4416 (cgraph_varpool_assemble_pending_decls): Call it.
4417 (cgraph_output_pending_asms): New static function.
4418 (cgraph_finalize_compilation_unit): Call it.
4419 (struct cgraph_order_sort): Define.
4420 (cgraph_output_in_order): New static function.
4421 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4422 !flag_toplevel_reorder case.
4423 * c-parser.c: Include "cgraph.h".
4424 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4426 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4427 than -fno-unit-at-a-time.
4428 * doc/invoke.texi (Option Summary): Mention
4429 -fno-toplevel-reorder.
4430 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4431 -funit-at-a-time documentation.
4433 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4434 Kazu Hirata <kazu@codesourcery.com>
4436 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4438 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4440 * Makefile.in (FUNCTION_H): New. Use it instead of
4441 function.h throughout the file.
4442 * function.h: Include tree.h.
4444 2006-01-17 Ben Elliston <bje@au.ibm.com>
4446 * recog.c: Separate some functions with whitespace.
4448 2006-01-16 Richard Henderson <rth@redhat.com>
4450 Merge from gomp branch:
4451 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4452 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4453 and rename from struct inline_data. Rename callee* to dst*;
4454 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4455 transform_new_cfg, transform_return_to_modify, and
4456 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4458 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4459 (copy_decl_for_dup): Remove.
4460 * tree-inline.c (struct inline_data): Move to header.
4461 (insert_decl_map): Export.
4462 (remap_decl): Update for member name changes. Use copy_decl hook.
4463 Allow for replacement to be a non-decl. Remove dead code.
4464 (remap_type_1): Check for existing mapping.
4465 (remap_type): Export.
4466 (remap_decls): Update for member name changes.
4467 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4468 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4469 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4470 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4471 (tree_function_versioning, build_duplicate_type): Likewise.
4472 (copy_body_r): Likewise. Export.
4473 (copy_decl_for_dup): Split into ...
4474 (copy_decl_for_dup_finish, copy_decl_to_var,
4475 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4476 (replace_ref_tree, inlining_p): Remove.
4478 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4480 * ifcvt.c (if_convert): Make it static.
4481 * rtl.h: Remove the prototype for if_convert.
4483 * local-alloc.c (local_alloc): Make it static.
4484 * rtl.h: Remove the prototype for local_alloc.
4486 * loop.c (loop_optimize): Make it static.
4487 * cfgloop.h: Remove the prototype for loop_optimize.
4490 2006-01-16 DJ Delorie <dj@redhat.com>
4492 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4495 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4497 * pa.md: Disparage copies between general and floating-point registers
4498 in 32-bit move patterns.
4500 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4503 * Makefile.in (check-%): Depend on site.exp instead of
4504 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4507 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4509 * global.c (global_alloc): Make it static.
4510 * rtl.h: Remove the prototype for global_alloc.
4512 2006-01-16 Richard Guenther <rguenther@suse.de>
4514 * tree-ssa-alias.c (struct used_part): Add write_only field.
4515 (get_or_create_used_part_for): Initialize it to true.
4516 (create_overlap_variables_for): Don't create structure variables
4517 for structures that only are written to.
4518 (find_used_portions): Handle MODIFY_EXPR to track whether a
4519 structure is only written to.
4521 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4523 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4525 * basic-block.h: Remove the prototype for
4526 partition_hot_cold_basic_blocks.
4528 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4530 * cppspec.c (lang_specific_spec_functions): Remove.
4531 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4532 * gcc.h (lang_specific_spec_functions): Remove.
4533 * gccspec.c (lang_specific_spec_functions): Remove.
4535 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4537 * combine.c (record_value_for_reg): Invalidate registers
4539 (record_dead_and_set_regs_1): Likewise, by passing them to
4540 record_value_for_reg.
4541 (record_dead_and_set_regs): Invalidate stores made by a
4542 call. We do not combine across a call, but we still
4543 relied on equivalences.
4545 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4547 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4548 vrp_int_const_binop returning non-constant nodes.
4550 2006-01-16 Paul Brook <paul@codesourcery.com>
4552 * config/m68k/m68k.c (output_move_const_into_data_reg):
4553 Output correct mnemonic for mvz and mvs.
4555 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4557 * rtl-factoring.c: Add sequence abstraction algorithm.
4558 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4559 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4561 (block_has_preserve_label): New function.
4562 * common.opt: Register new pass.
4563 * Makefile.in: Ditto.
4565 * timevar.def: Ditto.
4566 * tree-pass.h: Ditto.
4567 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4568 * rtl.h (make_jump_insn_raw): Add forward decl.
4569 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4571 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4572 Roger Sayle <roger@eyesopen.com>
4574 * fold-const.c (fold_minmax): New static function.
4575 (fold_binary) <MIN_EXPR>: Call it.
4576 <MAX_EXPR>: Likewise.
4577 * stor-layout.c (place_field): Use DECL_SIZE consistently
4578 in the computation of the new record size.
4580 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4582 * cse.c (cse_condition_code_reg): Make it static.
4583 * rtl.h: Remove the prototype for cse_condition_code_reg.
4585 * combine.c (combine_instructions): Make it static.
4586 * rtl.h: Remove the prototype for combine_instructions.
4588 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4591 * tree.c (get_file_function_name_long): Concatenate the first global
4592 object name with a string derived from the input filename of the object
4595 2006-01-16 Ben Elliston <bje@au.ibm.com>
4597 * config/i386/winnt-stubs.c: Update FSF address.
4598 * config/xtensa/ieee754-df.S: Ditto.
4599 * config/xtensa/ieee754-sf.S: Ditto.
4601 2006-01-14 Ian Lance Taylor <ian@airs.com>
4603 * ifcvt.c (noce_init_if_info): New static function, broken out of
4604 noce_process_if_block.
4605 (noce_process_if_block): Call noce_init_if_info.
4606 (check_cond_move_block): New static function.
4607 (cond_move_process_if_block): New static function.
4608 (process_if_block): Call cond_move_process_if_block.
4610 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4612 * cselib.c (hash_table): Rename to cselib_hash_table.
4613 (cselib_clear_table, discard_useless_values,
4614 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4615 cselib_init, cselib_finish): Adjust uses of hash_table.
4617 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4619 PR tree-optimization/25485
4620 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4621 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4622 is known to be false and true, respectively.
4624 2006-01-14 Richard Guenther <rguenther@suse.de>
4626 PR tree-optimization/22548
4627 PR tree-optimization/22555
4628 PR tree-optimization/22501
4629 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4630 * params.def (salias-max-array-elements): New parameter.
4631 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4632 * doc/invoke.texi (salias-max-array-elements): Document.
4633 * tree-flow-inline.h (var_can_have_subvars): We also handle
4635 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4637 * tree-ssa-structalias.c (params.h): Include.
4638 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4639 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4640 (get_constraint_for): For ADDR_EXPR operating on something
4641 containing an ARRAY_REF, add all subvars to the solution.
4642 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4643 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4644 for creating MUST_DEFs.
4645 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4647 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4649 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4651 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4652 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4653 number_of_iterations_le): New functions.
4654 (number_of_iterations_special): Removed.
4655 (number_of_iterations_exit): Do not use number_of_iterations_special.
4656 * tree.c (unsigned_type_for): Always return integer type.
4658 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4659 Richard Guenther <rguenther@suse.de>
4661 PR rtl-optimization/24257
4662 * gcse.c (find_moveable_store): Only consider a store movable
4663 when the SET_SRC of the insn can be assigned to a register.
4665 2006-01-14 Ian Lance Taylor <ian@airs.com>
4667 * tree.c (tree_not_class_check_failed): New function.
4668 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4669 (tree_not_class_check_failed): Declare.
4671 2006-01-13 Ian Lance Taylor <ian@airs.com>
4673 * reload1.c (do_output_reload): Add assertion rejecting a
4676 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4678 * combine.c (struct reg_stat): Add new fields truncation_label and
4680 (record_value_for_reg): Reset truncated_to_mode.
4681 (record_truncated_value): New function.
4682 (check_promoted_subreg): Call it. Rename to check_conversions.
4683 (combine_instructions): Rename check_promoted_subreg to
4685 (reg_truncated_to_mode): New function.
4686 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4687 (gen_lowpart_or_truncate): New function.
4688 (force_to_mode): Use it instead of gen_lowpart.
4690 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4692 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4693 VAR is a tag, not its type tag.
4695 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4697 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4698 alternatives to match style of other entries.
4699 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4701 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4703 PR tree-optimization/25771
4704 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4707 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4710 * tree-inline.c (declare_return_variable): If the return variable
4711 was marked as a non gimple complex, set the return slot variable
4712 to be a non gimple comple variable.
4714 2006-01-13 Richard Guenther <rguenther@suse.de>
4716 * builtins.c (expand_builtin_sincos): New function.
4717 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4719 (expand_builtin): Expand sincos using expand_builtin_sincos.
4721 2006-01-12 DJ Delorie <dj@redhat.com>
4723 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4724 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4725 so that constant shifts can be split.
4726 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4727 (m32c_valid_pointer_mode): Make static.
4728 (shift_gen_func_for): New.
4729 (m32c_prepare_shift): Use it. Split large const shifts into
4731 * config/m32c/predicates.md (shiftcount_operand): Allow more
4733 (longshiftcount_operand): New.
4734 * doc/md.texi (Machine Constraints): Document In6.
4736 2006-01-13 Ben Elliston <bje@au.ibm.com>
4738 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4739 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4742 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4744 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4745 to try to avoid clobbering pieces of structures when we know
4746 something about the whole structure.
4747 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4749 2006-01-13 Ben Elliston <bje@au.ibm.com>
4751 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4752 return in memory, as this is no limitation is no longer present.
4754 2006-01-12 DJ Delorie <dj@redhat.com>
4756 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4757 mova with fb, and for fb+0 -> An.
4759 * config/m32c/mov.md (peephole2): Fix enabling logic.
4761 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4762 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4763 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4764 FINI_ARRAY_SECTION_ASM_OP): Define.
4766 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4768 (m32c_legitimize_reload_address): New logic to reload FB to An.
4769 (m32c_output_reg_push): Add newline.
4770 (m32c_output_reg_pop): Likewise.
4772 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4774 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4776 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4778 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4780 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4782 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4785 2006-01-11 Ben Elliston <bje@au.ibm.com>
4787 * rtlanal.c (find_reg_note): Assert insn is not null.
4789 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4791 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4794 2006-01-11 Jeff Law <law@redhat.com>
4796 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4798 (mark_threaded_blocks, register_jump_thread): New functions.
4799 (thread_through_all_blocks): Remove unwanted argument. No
4800 longer rely on e->aux to communicate thread target info.
4801 Call mark_threaded_blocks. Release the threaded_blocks
4802 bitmap and threaded_edges vector when complete.
4803 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4804 (threaded_blocks): Remove.
4805 (tree_ssa_dominator_optimize): Remove initialization and
4806 finalization of threaded_blocks. Simplify call to
4807 thread_through_all_blocks.
4808 (thread_across_edge): Call register_jump_thread rather than
4809 storing thread information into e->aux.
4810 (free_all_edge_infos): Simplify now that e->aux is no longer
4811 used to communicate with thread_through_all_blocks.
4812 * tree-flow.h (thread_through_all_blocks): Update prototype.
4813 (register_jump_thread): Prototype.
4815 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4817 * df-core.c (df_compact_blocks, df_bb_replace): Use
4818 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4820 2006-01-11 Richard Guenther <rguenther@suse.de>
4822 PR tree-optimization/25734
4823 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4824 stop propagation after successful propagation to the LHS.
4826 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4828 * basic-block.h (control_flow_graph): Change the type of
4829 x_basic_block_info to VEC(basic_block,gc) *.
4830 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4832 (SET_BASIC_BLOCK): New.
4833 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4834 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4835 * cfgbuild.c (find_basic_blocks): Likewise.
4836 * cfglayout.c (fixup_reorder_chain): Likewise.
4837 * cfgrtl.c (create_basic_block_structure,
4838 rtl_create_basic_block): Likewise.
4839 * ifcvt.c (find_if_case_1): Likewise.
4840 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4843 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4845 * Makefile.in: Removed rotted odf.c entry.
4847 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4850 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4851 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4852 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4853 output pattern modifier, not %e.
4854 * config/cris/cris.c (cris_op_str): Update comment about pattern
4856 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4857 before falling through into...
4858 <case 'E'>: Redefined from old 'e' case.
4860 2006-01-11 Jan Hubicka <jh@suse.cz>
4863 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4865 2006-01-11 Jan Hubicka <jh@suse.cz>
4867 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4868 * i386.c (x86_decompose_lea): Kill.
4869 (ix86_rtx_costs): Kill.
4871 2006-01-11 Jan Hubicka <jh@suse.cz>
4873 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4874 * cgraph.h (cgraph_node): Add inline_decl.
4875 (cgraph_insert_node_to_hashtable): Declare.
4876 (save_inline_function_body): Declare.
4877 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4879 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4880 (cgraph_function_versioning): Update call of tree_function_versioning.
4881 (save_inline_function_body): New function.
4882 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4883 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4884 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4885 (cgraph_default_inline_p): Likewise.
4886 (cgraph_decide_inlining_incrementally): Likewise.
4887 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4888 (copy_bb): Kill saving; do updating of clones.
4889 (copy_cfg_body): Kill saving.
4890 (initialize_inlined-parameters): Likewise.
4891 (expand_call_inline): Likewise.
4893 (tree_function_versioning): New parameter "update_clones".
4894 (inlining_p): Kill saving.
4895 * tree-inline.h (tree_function_versioning): Update prototype.
4896 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4899 2006-01-11 Ian Lance Taylor <ian@airs.com>
4901 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4902 Allow undoing set of machine mode.
4903 (do_SUBST): Use enums instead of is_int.
4904 (do_SUBST_MODE): New function.
4905 (SUBST_MODE): New macro.
4906 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4907 reg and trying to replace reg_regno_rtx with a new register.
4908 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4909 (simplify_set): Use SUBST_MODE.
4910 (distribute_notes): Remove code that tried to update reg notes
4911 for regno_reg_rtx changes.
4913 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4915 PR tree-optimization/23109
4916 PR tree-optimization/23948
4917 PR tree-optimization/24123
4919 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4920 * tree-cfg.c (single_noncomplex_succ): New.
4921 * tree-flow.h (single_noncomplex_succ): Declare it.
4922 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4923 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4924 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4925 insert_bb, register_division_in, insert_reciprocals,
4926 replace_reciprocal, free_bb): New.
4927 (execute_cse_reciprocals_1): Rewritten.
4928 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4929 Do not commit any edge insertion. Always compute dominators and
4930 create the allocation pool.
4931 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4932 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4933 * targhooks.c (default_min_divistions_for_recip_mul): New.
4934 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4935 * passes.c (init_optimization_passes): Run recip after tree loop
4937 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4939 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4940 Kenneth Zadeck <zadeck@naturalbridge.com>
4942 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4943 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4944 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4945 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4946 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4947 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4948 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4949 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4950 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4951 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4952 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4953 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4954 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4955 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4956 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4957 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4958 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4959 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4960 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4961 DF_SCAN_POST_ALLOC): New macros.
4962 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4963 df_free_bb_function, df_local_compute_function, df_init_function,
4964 df_dataflow_function, df_confluence_function_0,
4965 df_confluence_function_n, df_transfer_function,
4966 df_finalizer_function, df_free_function, df_dump_problem_function,
4967 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4968 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4969 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4970 df_urec_bb_info, ) New types.
4971 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4973 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4974 df_analyze_simple_change_some_blocks,
4975 df_analyze_simple_change_one_block, df_compact_blocks,
4976 df_bb_replace, df_bb_regno_last_use_find,
4977 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4978 df_insn_regno_def_p, df_find_def, df_find_use,
4979 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4980 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4981 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4982 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4983 debug_df_chain, df_get_dependent_problem, df_chain_create,
4984 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4985 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4986 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4987 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4988 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4989 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4990 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4991 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4992 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4993 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4994 df_reorganize_refs, df_set_state, df_hard_reg_init,
4995 df_read_modify_subreg_p) New public functions.
4996 * df-core.c: The core dataflow solver and glue routines for rtl
4998 (df_init, df_add_problem, df_set_blocks, df_finish,
4999 df_hybrid_search_forward, df_hybrid_search_backward,
5000 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5001 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5002 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5003 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5004 df_reg_defined, df_find_use, df_reg_used, df_dump,
5005 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5006 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5007 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5008 debug_df_useno, reset_df_after_reload): New functions.
5009 * df-scan.c: The scanning fuctions, once in df.c, completely
5010 rewritten so that they now fully model the functionality of
5011 register usage at the backend.
5012 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5013 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5014 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5015 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5016 df_get_artificial_defs, df_get_artificial_uses,
5017 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5018 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5019 df_refs_delete, df_reorganize_refs, df_set_state,
5020 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5021 df_def_record_1, df_defs_record, df_uses_record,
5022 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5023 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5024 df_record_exit_block_uses, df_hard_reg_init): New functions.
5026 * df-problems.c: Seven concrete dataflow problems that use the
5027 scanning in df-scan.c and are solved by the engine in df-core.c.
5028 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5029 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5030 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5031 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5032 df_ru_free_bb_info, df_ru_alloc,
5033 df_ru_bb_local_compute_process_def,
5034 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5035 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5036 df_ru_transfer_function, df_ru_free, df_ru_dump,
5037 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5038 df_rd_free_bb_info, df_rd_alloc,
5039 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5040 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5041 df_rd_transfer_function, df_rd_free, df_rd_dump,
5042 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5043 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5044 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5045 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5046 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5047 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5048 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5049 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5050 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5051 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5052 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5053 df_urec_mark_reg_use_for_earlyclobber,
5054 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5055 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5056 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5057 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5058 df_chain_create_bb_process_use, df_chain_create_bb,
5059 df_chain_finalize, df_chain_free, df_chains_dump,
5060 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5061 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5062 df_reg_lifetime): New functions.
5063 * df.c: Deleted file.
5064 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5065 consistent with new df api.
5066 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5067 rest_of_handle_sms): Ditto.
5068 * web.c (unionfind_union, union_defs, entry_register, web_main):
5070 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5071 invariant_expr_equal_p, find_defs, check_dependencies,
5072 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5073 free_inv_motion_data, move_loop_invariants): Ditto.
5074 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5075 Update dependencies.
5076 (odf.c): Added defective entry that was deleted later in day.
5077 * sched-deps.c (sched_analyze_1): Ditto.
5079 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5081 * tree-ssa-operands.c (get_expr_operands): Record addressable
5082 variables directly. Do not call add_stmt_operands for CONST_DECLs
5084 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5085 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5087 2006-01-11 Ben Elliston <bje@au.ibm.com>
5089 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5090 function returns true in the positive case.
5092 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5095 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5096 for SI, DI, SF and DF modes. Add alternatives to copy between
5097 general and floating point registers to the 32-bit patterns.
5098 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5099 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5100 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5101 generating 64-bit code.
5102 * config/pa/pa.c (output_move_double): Handle copies between general
5103 and floating registers.
5105 2006-01-10 Stuart Hastings <stuart@apple.com>
5107 * config/i386/i386.md (set_got): Update.
5108 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5109 (builtin_setjmp_receiver): Mach-O support.
5110 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5111 (GOT_SYMBOL_NAME): Define.
5112 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5113 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5114 * config/i386/i386.c (override_options): Revise for Darwin.
5115 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5116 support. (darwin_x86_file_end): New. (output_set_got): Add label
5117 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5118 * config/i386/i386-protos.h (output_set_got): Likewise.
5119 * config/darwin.c (machopic_legitimize_pic_address): Update
5122 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5124 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5125 when MODE isn't BLKmode.
5127 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5129 PR rtl-optimization/25367
5130 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5132 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5135 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5136 for a negative bound.
5138 2006-01-10 Richard Guenther <rguenther@suse.de>
5140 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5141 Never override with anything constraint.
5143 2006-01-10 Jan Beulich <jbeulich@novell.com>
5145 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5146 256 bits when optimize_size.
5148 2006-01-10 Jan Beulich <jbeulich@novell.com>
5150 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5152 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5153 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5156 2006-01-10 Ben Elliston <bje@au.ibm.com>
5158 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5160 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5161 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5162 (USE_FP_FOR_ARG): Reject decimal float modes.
5163 (function_arg_advance): Likewise.
5164 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5165 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5166 point types in AltiVec vectors.
5167 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5168 (rs6000_libcall_value): Likewise.
5170 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5172 * config/xtensa/ieee754-df.S: New file.
5173 * config/xtensa/ieee754-sf.S: New file.
5174 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5175 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5176 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5178 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5180 * config/sh/predicates.md (binary_float_operator,
5181 binary_logical_operator, commutative_float_operator,
5182 equality_comparison_operator, greater_comparison_operator,
5183 less_comparison_operator, logical_operator,
5184 noncommutative_float_operator, shift_operator,
5185 symbol_ref_operand, unary_float_operator): Remove redundant
5188 2006-01-09 Jeff Law <law@redhat.com>
5190 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5191 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5192 now unused arguments. Callers updated.
5193 (eliminate_redundant_computations): Remove now unused arguments,
5195 (local_fold): Remove, no longer used.
5196 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5198 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5199 (simplify_cond): New function.
5200 (forward_propagate_into_cond): Call simplify_cond.
5202 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5204 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5205 (*vec_extractv2di_1_sse): New.
5207 2006-01-09 Ben Elliston <bje@au.ibm.com>
5209 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5211 2006-01-08 Richard Guenther <rguenther@suse.de>
5213 * tree-ssa-structalias.c (get_constraint_for): Remove
5215 (get_constraint_for_component_ref): Likewise.
5216 (do_deref): Likewise.
5217 (get_constraint_for): Likewise.
5218 (do_structure_copy): Likewise.
5219 (handle_ptr_arith): Likewise.
5220 (find_func_aliases): Likewise. Remove unused need_anyoffset
5223 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5224 Kaz Kojima <kkojima@gcc.gnu.org>
5226 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5227 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5228 (EXTRA_CONSTRAINT_C16): Remove.
5229 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5230 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5231 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5232 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5233 constants of SHmedia. Handle nested constant expressions of
5235 (andcosts): Fix the costs for SHmedia constants.
5236 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5237 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5238 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5239 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5240 (movv4hi_i, movv2si_i): Likewise.
5241 (movsi_const): Adjust the second operand of ior so to match with
5243 (movdi_const, movdi_const_32bit): Likewise.
5244 (movdi_const_16bit+1): Don't sign-extend LOW.
5245 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5247 (*double_shori): Fix the split condition. Use GEN_INT instead
5248 of get_int_mode calls. Mask lower 16-bit of the argument of
5250 (sym2GOTPLT): Remove.
5251 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5253 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5254 instead of EXTRA_CONSTRAINT_C16.
5256 2006-01-07 Ian Lance Taylor <ian@airs.com>
5257 David Edelsohn <edelsohn@gnu.org>
5259 PR rtl-optimization/25662
5260 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5261 for constant operands instead of simplify_gen_binary.
5262 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5263 after trying simplify_binary_operation
5265 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5267 * tree.c (iterative_hash_expr): Hash decls based on UID.
5269 2006-01-06 Eric Christopher <echristo@apple.com>
5271 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5272 (TARGET_UNWIND_EMIT): Fix spelling.
5273 * target.h (gcc_target): Add except_table_label.
5274 * except.c (output_function_exception_table): Use.
5275 * varasm.c (default_emit_except_table_label): New.
5276 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5278 (asm_out): Add here.
5279 * output.h (default_emit_except_table_label): Prototype.
5280 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5281 * config/darwin.c (darwin_emit_except_table_label): Define.
5282 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5284 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5286 PR tree-optimization/18527
5287 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5288 number_of_iterations_special, number_of_iterations_exit):
5289 Move base and step of an iv to a single structure. Add
5290 no_overflow flag, and use it in # of iterations analysis.
5291 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5292 folded_casts argument.
5293 (simple_iv): Pass base and step in a structure. Set no_overflow
5295 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5296 Evaluate expensiveness of computing # of iterations instead of
5297 the final expression.
5298 * tree-scalar-evolution.h (affine_iv): New structure.
5299 (simple_iv): Declaration changed.
5300 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5301 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5302 find_givs_in_stmt): Changed due to simple_iv change.
5304 2006-01-06 Jeff Law <law@redhat.com>
5307 * tree-cfg.c (bsi_replace): Rename final argument from
5308 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5309 change (stmt -> orig_stmt).
5310 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5311 (bsi_remove): Add new argument. Remove EH information
5313 (verify_eh_throw_table_statements): New function.
5314 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5316 * tree-optimize.c (execute_free_cfg_annotations): Verify
5317 the EH throw statement table after removing annotations.
5318 * except.h (verify_eh_throw_table_statements): Prototype.
5319 * tree-flow.h (bsi_remove): Update prototype.
5320 * tree-vrp.c (remove_range_assertions): Add new argument to
5322 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5323 * tree-complex.c (expand_complex_div_wide): Likewise.
5324 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5325 * tree-tailcall.c (eliminate_tailcall): Likewise.
5326 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5327 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5328 * tree-nrv.c (tree_nrv): Likewise.
5329 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5330 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5331 (combine_blocks): Likewise.
5332 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5333 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5334 (cleanup_control_flow): Likewise.
5335 (remove_forwarder_block): Likewise.
5336 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5337 * tree-sra.c (sra_replace): Likewise.
5338 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5339 (forward_propagate_single_use_vars): Likewise.
5340 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5341 * tree-inline.c (expand_call_inline): Likewise.
5342 * tree-vect-transform.c (vect_transform_loop): Likewise.
5343 * tree-outof-ssa.c (rewrite_trees): Likewise.
5344 * tree-cfg.c (make_goto_expr_edges): Likewise.
5345 (cleanup_dead_labels): Likewise.
5346 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5347 (bsi_move_before, bsi_move_after): Likewise.
5348 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5349 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5351 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5354 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5356 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5357 on non gimple variables. Also add checks at the top for decls and
5359 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5361 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5362 and IMAGPART_EXPR for creating MUST_DEFs.
5363 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5364 and NAME_MEMORY_TAG separately from the DECLs.
5366 2006-01-06 Richard Guenther <rguenther@suse.de>
5368 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5369 annotation, if necessary.
5370 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5371 redundant calls to update_stmt.
5372 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5375 2006-01-05 Richard Henderson <rth@redhat.com>
5377 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5379 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5381 * c-typeck.c: Update copyright date.
5383 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5385 * c-typeck.c (build_c_cast): Always warn when casting
5386 from a pointer to an integer of different size, even if
5387 the node was constant.
5389 2006-01-05 Richard Guenther <rguenther@suse.de>
5391 PR tree-optimization/22555
5392 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5393 if one structure field is an array.
5394 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5395 operands even if we found a subvar, but ignore VOPs in this
5397 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5399 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5401 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5404 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5406 2006-01-05 Richard Guenther <rguenther@suse.de>
5407 Diego Novillo <dnovillo@redhat.com>
5409 * tree-pass.h (TODO_remove_unused_locals): Define.
5410 * gimple-low.c (expand_var_p, remove_useless_vars,
5411 pass_remove_useless_vars): Remove. Update all users.
5412 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5413 (remove_unused_locals): New function.
5414 * tree-flow.h (remove_unused_locals): Declare.
5415 * passes.c (execute_todo): Call remove_unused_locals if
5416 TODO_remove_unused_locals is set.
5417 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5418 * tree-ssa-dce.c (pass_dce): Likewise.
5419 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5421 2006-01-05 Richard Guenther <rguenther@suse.de>
5423 * tree-flow.h (struct fieldoff): Decompose field to
5424 type, size and decl.
5425 * tree-ssa-alias.c (create_sft): Take type as parameter.
5426 (create_overlap_variables_for): Store type, size and decl
5427 in the fieldoff structure.
5428 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5430 (push_fields_onto_fieldstack): Likewise.
5431 (create_variable_info_for): Likewise. Use offset for the
5432 SFT name if the decl is not available.
5434 2006-01-04 Paul Brook <paul@codesourcery.com>
5436 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5438 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5440 * lambda-code.c (can_put_in_inner_loop): Relax
5442 (can_put_after_inner_loop): New function.
5443 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5444 (perfect_nestify): Change to make copies and modify uses.
5446 2006-01-04 Richard Henderson <rth@redhat.com>
5448 Merge from gomp branch:
5449 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5450 via integer constant.
5451 (pragma_lex): Remove.
5452 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5453 rather than parsing it.
5454 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5455 handle_pragma_extern_prefix): Add %< %> quotes.
5456 (registered_pragmas): New.
5457 (c_register_pragma_1): New.
5458 (c_register_pragma): Use it.
5459 (c_register_pragma_with_expansion): Likewise.
5460 (c_invoke_pragma_handler): New.
5461 (init_pragma): Use cpp_register_deferred_pragma directly for
5463 * c-pragma.h (enum pragma_kind): New.
5464 (pragma_handler): New.
5465 (c_invoke_pragma_handler): Declare.
5466 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5468 * c-common.h (c_common_pch_pragma): Update decl.
5469 * Makefile.in (c-parser.o): Update dependencies.
5470 (GTFILES): Add c-pragma.h.
5471 * c-parser.c (struct c_token): Add pragma_kind.
5472 (struct c_parser): Add in_pragma.
5473 (c_lex_one_token): Always initialize keyword and pragma_kind.
5474 Extract data for CPP_PRAGMA.
5475 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5476 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5477 Don't allow CPP_PRAGMA_EOL if in_pragma.
5478 (c_parser_consume_pragma): New.
5479 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5480 (c_parser_skip_to_end_of_parameter): Likewise.
5481 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5482 (c_parser_skip_to_pragma_eol): New.
5483 (c_parser_external_declaration): Handle CPP_PRAGMA.
5484 (c_parser_compound_statement_nostart): Likewise.
5485 (c_parser_statement_after_labels): Likewise.
5486 (c_parser_pragma): New.
5487 (pragma_lex): Likewise.
5488 (c_parser_pragma_pch_preprocess): New.
5489 (c_parser_new): Merge into ...
5490 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5492 2006-01-04 Jeff Law <law@redhat.com>
5495 * tree-cfg.c (bsi_replace): Remove the original statement
5496 from the EH throw statement table.
5498 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5500 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5501 make the prototype extern "C" and add throw ().
5504 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5505 and pos non-negative and pos + len <= 32.
5506 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5507 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5508 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5511 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5512 as well as sizes not multiple of component size.
5515 * function.c (instantiate_expr): New function.
5516 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5517 walk its DECL_VALUE_EXPR with instantiate_expr.
5519 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5520 DW_OP_deref{,_size} if address isn't going to be added.
5522 2006-01-04 Ben Elliston <bje@au.ibm.com>
5524 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5525 * config/fp-bit.c: Likewise.
5527 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5529 * dominance.c: Add comment about why we use DFS numbering
5532 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5533 Richard Henderson <rth@redhat.com>
5535 Merge from gomp-branch:
5536 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5537 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5539 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5541 PR rtl-optimization/25578
5542 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5543 pass a parameter to simplify_shift_const if changing ASHIFTRT
5546 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5548 * builtins.c (get_builtin_sync_mem): New function.
5549 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5550 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5551 Call get_builtin_sync_mem to generate mem rtx.
5553 2006-01-03 Richard Guenther <rguenther@suse.de>
5556 * stmt.c (add_case_node): Make sure to clear overflow flags
5559 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5561 Merge from gomp-branch.
5562 * config/sparc/sync.md: New file.
5563 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5564 UNSPECV_LDSTUB): New constants.
5565 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5566 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5567 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5570 2006-01-03 Roger Sayle <roger@eyesopen.com>
5572 * combine.c (reg_subword_p): New predicate to test whether the
5573 destination of a set refers to a subword/piece of a register.
5574 (try_combine): Generalize the code to merge the setting of a
5575 pseudo to a constant followed by a set of a subword of that
5576 register to a constant.
5578 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5580 * basic-block.h (control_flow_graph): Change the type of
5581 x_label_to_block_map to VEC(basic_block,gc) *.
5582 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5583 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5585 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5586 VEC(basic_block,heap) *.
5587 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5588 ssa_prop_fini): Adjust the uses of cfg_blocks.
5590 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5592 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5594 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5595 hashing trees instead of a pointer hash.
5596 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5597 compare for MEM_EXPR.
5599 PR rtl-optimization/25130
5600 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5601 when comparing MEMs for GCSE
5603 2006-01-03 Ben Elliston <bje@au.ibm.com>
5605 * targhooks.h (default_decimal_float_supported_p): Declare.
5606 * targhooks.c (default_decimal_float_supported_p): Define.
5607 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5608 `default_decimal_float_supported_p'.
5609 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5611 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5613 * combine.c (apply_distributive_law <SUBREG>): Check
5614 TRULY_NOOP_TRUNCATION.
5616 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5618 * dwarf2out.c (have_switched_text_section): Delete.
5619 (have_multiple_function_sections): New.
5620 (have_location_lists): Make 'bool'.
5621 (add_AT_loc_list): Use 'true' not '1'.
5622 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5623 (output_loc_list): Use have_multiple_function_sections.
5624 (output_ranges): Likewise.
5625 (dwarf2out_begin_function): Set have_multiple_function_sections if
5627 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5628 Check function_section rather than DECL_SECTION_NAME.
5629 (dwarf2out_finish): Use have_multiple_function_sections.
5630 Don't clear have_location_lists.
5632 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5633 Jan Hubicka <jh@suse.cz>
5635 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5636 case of conditional jump jumping to the next instruction.
5637 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5638 cases of conditional jump jumping to the next instruction.
5640 2006-01-02 Jan Hubicka <jh@suse.cz>
5642 * i386.c (*_cost): Add COSTS_N_INSNS.
5643 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5645 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5648 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5650 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5652 * config/arm/arm.c (all_fpus): Fix comment typo.
5653 * config/darwin.c: Likewise.
5654 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5655 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5656 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5658 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5660 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5661 (rs6000_split_compare_and_swapqhi): New.
5662 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5663 (sync_compare_and_swapqhi_internal): New.
5664 * config/rs6000/rs6000-protos.h: Declare.