1 2006-02-26 Roger Sayle <roger@eyesopen.com>
2 James A. Morrison <phython@gcc.gnu.org>
5 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8 signedness of the shift operation.
10 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12 PR tree-optimization/26359
13 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15 2006-02-25 Roger Sayle <roger@eyesopen.com>
17 * simplify-rtx.c (simplify_relational_operation_1): Simplify
18 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
19 as X == 0, and some symmetry related transformations.
20 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
22 2006-02-25 Roger Sayle <roger@eyesopen.com>
25 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
26 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
27 symmetry related transformations. Fold (X^C1) == C2 as
30 2006-02-25 Juergen Weigert <jw@suse.de>
31 Richard Guenther <rguenther@suse.de>
33 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
35 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
37 * combine.c (gen_lowpart_or_truncate): Call
38 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
40 2006-02-24 Diego Novillo <dnovillo@redhat.com>
42 * doc/invoke.texi: Move -fopenmp description to "Options for
44 Remove reference to -lgomp.
46 2006-02-24 David Edelsohn <edelsohn@gnu.org>
48 * doc/install.texi: Require GNU tar version 1.14.
50 2006-02-24 Geoffrey Keating <geoffk@apple.com>
52 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
53 * doc/invoke.texi (C++ Dialect Options): Document
54 -fno-use-cxa-get-exception-ptr.
55 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
56 * configure: Regenerate.
57 * c.opt (fuse-cxa-get-exception-ptr): New.
58 * c-opts.c (c_common_handle_option): Handle
59 OPT_fuse_cxa_get_exception_ptr.
60 * c-common.c (flag_use_cxa_atexit): Update documentation.
61 (flag_use_cxa_get_exception_ptr): New.
62 * c-common.h (flag_use_cxa_get_exception_ptr): New.
63 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
65 (C_COMMON_OVERRIDE_OPTIONS): New.
67 2006-02-24 Roger Sayle <roger@eyesopen.com>
70 * combine.c (try_combine): Explicitly check whether GET_CODE is
71 a SET or a CLOBBER, instead on checking that it isn't a USE.
73 2006-02-24 Roger Sayle <roger@eyesopen.com>
75 * fold-const.c (fold_comparison): New subroutine of fold_binary
76 containing transformations common to both the equality and
77 ordering relational operators, factored out of fold_binary.
78 (fold_binary): Separate out the equality operators (EQ_EXPR
79 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
80 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
81 transformations common to both.
82 (fold_div_compare): Fix latent bugs in the previously unreachable
83 LT_EXPR and GE_EXPR cases.
85 2006-02-24 David Edelsohn <edelsohn@gnu.org>
87 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
88 decl libname for clog to __clog on AIX.
90 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
92 2006-02-24 Alan Modra <amodra@bigpond.net.au>
95 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
96 output traceback table for thunks. Localise rs6000_stack_info call.
98 2006-02-23 Roger Sayle <roger@eyesopen.com>
99 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
101 * gthr-posix.h (__gthrw): Fix typo in comment.
103 2006-02-23 Geoffrey Keating <geoffk@apple.com>
105 * doc/cpp.texi (Character sets): Document that we do support
106 input files to be in any character set.
108 2006-02-23 Jeff Law <law@redhat.com>
110 * tree.h (PHI_ARG_NONZERO): Remove.
111 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
112 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
113 node to the new node.
115 PR tree-optimization/26425
116 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
117 min/max, then assume its varying.
119 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
121 PR rtl-optimization/26316
122 * rtlanal.c (enum may_trap_p_flags): New.
123 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
124 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
125 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
126 (may_trap_after_code_motion_p): New function.
127 * loop-invariant.c (find_identical_invariants): Fix dump formating.
128 (find_invariant_insn): Use may_trap_after_code_motion_p.
129 * rtl.h (may_trap_after_code_motion_p): Declare.
131 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
133 * emit-rtl.c (immed_double_const): Cleanup.
135 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
137 Fix PR tree-optimization/26376
138 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
141 2006-02-23 Jakub Jelinek <jakub@redhat.com>
144 * gimplify.c (omp_add_variable): Guard variable size decl test with
145 DECL_SIZE (decl) check.
147 2006-02-23 Richard Guenther <rguenther@suse.de>
150 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
151 like aggregate types.
153 2006-02-23 Jakub Jelinek <jakub@redhat.com>
155 * configure.ac: Add --with{,out}-long-double-128 configure option.
156 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
157 * configure: Rebuilt.
158 * config.in: Rebuilt.
159 * doc/install.texi (Options specification): Document
160 --with-long-double-128.
162 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
163 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
164 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
165 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
167 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
169 * config/s390/s390.c (override_options): Handle
170 TARGET_DEFAULT_LONG_DOUBLE_128.
172 * config/alpha/alpha.c (override_options): Handle
173 TARGET_DEFAULT_LONG_DOUBLE_128.
175 * config/sparc/sparc.c (sparc_override_options): Handle
176 TARGET_DEFAULT_LONG_DOUBLE_128.
178 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
180 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
181 (real-install-headers-tar, real-install-headers-cpio)
182 (real-install-headers-cp): New targets.
184 2006-02-22 Richard Sandiford <richard@codesourcery.com>
186 * tree.h (variable_section): Delete.
187 * varasm.c (variable_section): Delete.
189 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
191 * install.texi: Add notes on install.texi2html.
192 (Building in parallel): Do not use footnotes.
194 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
197 * doc/install.texi (Configuration): Document --disable-libgomp.
199 2006-02-21 Geoffrey Keating <geoffk@apple.com>
201 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
203 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
205 * config/i386/sse.md (vec_extractv2df_1_sse): New.
206 (vec_extractv2df_0_sse): New.
208 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
210 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
211 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
212 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
213 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
214 to the result of the expression.
216 (frame_pointer_cfa_offset): Rename to...
217 (frame_pointer_fb_offset): ... this. Adjust all uses.
218 (convert_cfa_to_loc_list): Rename to...
219 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
220 Pass it on to build_cfa_loc.
221 (compute_frame_pointer_to_cfa_displacement): Rename to...
222 (compute_frame_pointer_to_fb_displacement): ... this. New
223 offset parameter. Use it in computation.
224 (gen_subprogram_die): Compute cfa_fb_offset with the new
225 macro, and use it to compute the fb loc list and the
228 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
230 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
231 replaced with register_operand.
232 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
233 non-DREG is expensive.
234 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
235 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
238 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
240 * doc/install.texi2html: Use set -e.
242 2006-02-21 Richard Sandiford <richard@codesourcery.com>
244 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
245 (ASM_OUTPUT_SHARED_LOCAL): Delete.
246 * doc/invoke.texi (-fshared-data): Delete.
247 * common.opt (fshared-data): Delete.
248 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
249 (assemble_static_space): Remove #if 0 code.
250 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
251 (ASM_OUTPUT_SHARED_LOCAL): Poison.
252 * config/cris/cris.h: Remove FIXME.
254 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
256 * doc/sourcebuild.texi (Front End Directory): No more double-colon
259 2006-02-21 Jakub Jelinek <jakub@redhat.com>
262 * combine.c (simplify_shift_const_1): Disable nested shifts
263 optimization for vector shifts.
265 2006-02-20 Roger Sayle <roger@eyesopen.com>
267 PR tree-optimization/26361
268 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
269 of unsigned integer types.
271 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
273 * tree-chrec.c (eq_evolutions_p): New.
274 * tree-chrec.h (eq_evolutions_p): Declared.
275 * tree-data-ref.c: Fix formatting.
276 (datadep_stats, dependence_stats): New.
278 (print_direction_vector): New.
279 (dump_data_dependence_relation): Use print_direction_vector.
280 (object_analysis, create_data_ref): Handle COMPONENT_REF.
281 (compute_subscript_distance): Static.
282 (initialize_data_dependence_relation): Static. Get the number
283 of loops surrounding the references from the callers, and initialize
284 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
285 base_object_differ_p analyzers.
286 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
287 compute_overlap_steps_for_affine_1_2,
288 analyze_subscript_affine_affine): Count the classified dependences.
289 Print a message when a test failed.
290 (can_use_analyze_subscript_affine_affine): New.
291 (analyze_siv_subscript): Compute the data dependences on symbolic
292 scevs that verify can_use_analyze_subscript_affine_affine.
293 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
294 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
295 Handle symbolic scevs.
296 (analyze_overlapping_iterations): Let symbolic affine scevs to be
298 (subscript_dependence_tester): Moved...
299 (build_classic_dist_vector, build_classic_dir_vector): Don't use
300 lambda_vector_clear on newly allocated vectors. Get nb_loops from
301 DDR_SIZE_VECT instead of getting it in parameter.
302 (subscript_dependence_tester): ... here. Take as a parameter
303 loop_nest_depth. Call build_classic_dist_vector and
304 build_classic_dir_vector.
305 (compute_affine_dependence): Update subscript_dependence_tester
306 parameters. Update datadep_stats counters. Call
307 compute_subscript_distance.
308 (compute_self_dependence): Save the dist and dir vectors. Call
309 compute_subscript_distance.
310 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
311 (compute_all_dependences): Reorder parameters as they were before
312 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
313 compute_subscript_distance. Update the use of
314 compute_affine_dependence and initialize_data_dependence_relation.
315 (find_data_references_in_loop): Handle COMPONENT_REF.
316 (compute_data_dependences_for_loop): Initialize dependence_stats.
317 Don't call build_classic_dist_vector and build_classic_dir_vector.
318 Update the parameters of initialize_data_dependence_relation and
319 compute_all_dependences. Print the statistics from datadep_stats.
320 (analyze_all_data_dependences): Static. Not used until the pass for
321 checking the data dependences is contributed.
322 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
323 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
324 (initialize_data_dependence_relation, compute_affine_dependence,
325 analyze_all_data_dependences, compute_subscript_distance): Removed.
326 (print_direction_vector): New.
327 * lambda.h (gcd): ... here.
328 (lambda_vector_gcd): Moved here from gcd_vector.
329 * lambda-code.c (gcd, gcd_vector): Removed.
330 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
331 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
333 2006-02-20 Diego Novillo <dnovillo@redhat.com>
335 * ipa-type-escape.c: Tidy some comments and white space.
336 * tree-ssa-operands.c: Likewise.
338 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
341 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
342 (dump_decl_name): Do not walk the decl tree chains.
343 * tree-pass.h (TDF_CHAIN): Remove.
345 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
347 * Makefile.in (C): Remove
349 (.PHONY): Remove C and PROTO
351 2006-02-20 Roger Sayle <roger@eyesopen.com>
354 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
355 deprecated CHAR_TYPE tree code.
357 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
359 * configure.ac (target_list): Add install-info, dvi, html.
360 * configure: Regenerate.
362 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
363 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
364 treelang/Make-lang.in: Do not use double-colon rules.
366 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
368 * tree.h (struct tree_memory_tag): Add is_used_alone member.
369 (TMT_USED_ALONE): New macro.
370 * tree-pass.h (PROP_tmt_usage): New property.
371 (TODO_update_tmt_usage): New todo.
372 * tree-ssa-alias.c (updating_used_alone): New variable.
373 (recalculate_used_alone): New function.
374 (compute_may_aliases): Set updating_used_alone, call
375 recalculate_used_alone.
376 * tree-sra.c (pass_sra): Note that this pass destroys
377 PROP_tmt_usage, and add TODO_update_tmt_usage.
378 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
379 * tree-flow.h (updating_used_alone): Prototype.
380 (recalculate_used_alone): Ditto.
381 * passes.c (execute_todo): Add code to set updating_used_alone,
382 and call recalculate.
383 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
384 for clobber if used alone, and add assert to verify used_alone
387 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
389 * config/s390/s390.c (legitimize_pic_address): Assertions checking
390 for non tls symbols added.
391 (legitimize_address): Do nothing for PLUS expressions if one of the
392 addends is a tls symbol reference.
394 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
398 * Makefile.in (LDFLAGS): Define from autoconf substitution.
400 * Makefile.in (BOOTSTRAPPING): New.
401 (quickstrap): New definition if BOOTSTRAPPING=yes.
403 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
404 * configure.ac: Substitute all_selected_languages with the languages
405 that were configured. For all the other variables except
406 lang_specs_files, include all the languages in the tree.
407 * configure: Regenerate.
409 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
410 if there is one. Run the commands to run fixincludes in the same
413 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
414 * doc/install.texi: Document exact conventions for searching target tools.
415 Document --with-build-time-tools. Document toplevel bootstrap. Document
416 something more about building an Ada cross-compiler. Don't list GNU Make
417 requirements which affect all platforms.
419 2006-02-19 Roger Sayle <roger@eyesopen.com>
422 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
423 only equivalent if the have both the same mode and precision.
425 2006-02-20 Ben Elliston <bje@au.ibm.com>
427 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
429 2006-02-19 Roger Sayle <roger@eyesopen.com>
430 Steven Bosscher <stevenb.gcc@gmail.com>
432 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
433 constant pool references to identify stack mode constants.
434 * rtlanal.c (constant_pool_constant_p): New predicate to check
435 whether operand is a floating point constant in the pool.
436 * rtl.h (constant_pool_constant_p): Prototype here.
437 * loop.c (scan_loop): Avoid hoisting constants from the constant
438 pool on STACK_REGS targets.
439 (load_mems): Likewise.
440 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
441 loads into x87 registers expensive in terms of register pressure.
443 2006-02-19 Roger Sayle <roger@eyesopen.com>
445 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
446 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
448 2006-02-19 David Edelsohn <edelsohn@gnu.org>
450 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
451 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
453 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
455 * doc/invoke.texi: Document -fipa-pta.
456 * common.opt: Add ipa-pta option.
457 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
458 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
459 (do_ds_constraint): Ditto.
460 (get_constraint_for): Only add to referenced_vars if
461 referenced_vars exists.
462 (insert_into_field_list): Rewrite to do this unsorted.
463 (insert_into_field_list_sorted): Rename old insert_into_field_list
465 (create_function_info_for): Use insert_into_field_list_sorted.
466 (create_variable_info_for): Rewrite so it uses unsorted version,
467 since the field list is sorted.
468 (intra_create_variable_infos): Only add to referenced_vars if
469 referenced_vars exists.
470 (ipa_pta_execute): Init heapvars, and delete when done.
471 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
473 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
475 * doc/install.texi: Add missing `@samp'.
477 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
479 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
482 2006-02-18 Mark Wielaard <mark@klomp.org>
484 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
485 who added new 4.1 features, bug fixes and integration support.
487 2006-02-18 David Edelsohn <edelsohn@gnu.org>
490 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
493 2006-02-18 Richard Sandiford <richard@codesourcery.com>
495 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
496 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
497 (copy_insn_1): Likewise. Don't copy each field individually.
499 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
501 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
502 * rtl.c (rtx_size): Rename variable to...
503 (rtx_code_size): ...this.
504 (rtx_size): New function.
505 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
506 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
508 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
509 * rtl.h (rtx_code_size): New variable.
510 (rtx_size): Change from a variable to a function.
511 (RTX_SIZE): Rename to...
512 (RTX_CODE_SIZE): ...this.
515 PR tree-optimization/17106
516 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
517 (Anchored Addresses): New section.
518 * doc/invoke.texi (-fsection-anchors): Document.
519 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
520 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
521 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
522 * hooks.c (hook_bool_mode_rtx_false): New function.
523 * hooks.h (hook_bool_mode_rtx_false): Declare.
524 * gengtype.c (create_optional_field): New function.
525 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
526 SYMBOL_REF_IN_BLOCK_P is true.
527 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
528 (min_anchor_offset, max_anchor_offset): Likewise.
529 (use_anchors_for_symbol_p): New hook.
530 * toplev.c (compile_file): Call output_object_blocks.
531 (target_supports_section_anchors_p): New function.
532 (process_options): Check that -fsection-anchors is only used on
533 targets that support it and when -funit-at-a-time is in effect.
534 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
535 if the decl doesn't have one.
536 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
537 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
538 of force_const_mem through use_anchored_address.
539 (expand_expr_constant): New function.
540 (expand_expr_addr_expr_1): Call it. Use the same modifier when
541 calling expand_expr for INDIRECT_REF.
542 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
543 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
544 * expr.h (use_anchored_address): Declare.
545 * loop-unroll.c: Don't declare rtx vectors here.
546 * explow.c: Include output.h.
547 (validize_mem): Call use_anchored_address.
548 (use_anchored_address): New function.
549 * common.opt (-fsection-anchors): New switch.
550 * varasm.c (object_block_htab, anchor_labelno): New variables.
551 (hash_section, object_block_entry_eq, object_block_entry_hash)
552 (use_object_blocks_p, get_block_for_section, create_block_symbol)
553 (use_blocks_for_decl_p, change_symbol_section): New functions.
554 (get_variable_section): New function, split out from assemble_variable.
555 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
556 use_blocks_for_decl_p say so. Use change_symbol_section if the
557 symbol has already been created.
558 (assemble_variable_contents): New function, split out from...
559 (assemble_variable): ...here. Don't output any code for
560 block symbols; just pass them to place_block_symbol.
561 Use get_variable_section and assemble_variable_contents.
562 (get_constant_alignment, get_constant_section, get_constant_size): New
563 functions, split from output_constant_def_contents.
564 (build_constant_desc): Create a block symbol if use_object_blocks_p
565 says so. Or into SYMBOL_REF_FLAGS.
566 (assemble_constant_contents): New function, split from...
567 (output_constant_def_contents): ...here. Don't output any code
568 for block symbols; just pass them to place_section_symbol.
569 Use get_constant_section and get_constant_alignment.
570 (force_const_mem): Create a block symbol if use_object_blocks_p and
571 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
572 (output_constant_pool_1): Add an explicit alignment argument.
573 Don't switch sections here.
574 (output_constant_pool): Adjust call to output_constant_pool_1.
575 Switch sections here instead. Don't output anything for block symbols;
576 just pass them to place_block_symbol.
577 (init_varasm_once): Initialize object_block_htab.
578 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
579 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
580 (place_block_symbol, get_section_anchor, output_object_block)
581 (output_object_block_htab, output_object_blocks): New functions.
582 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
583 (TARGET_ASM_OUT): Include it.
584 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
585 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
586 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
587 (TARGET_INITIALIZER): Include them.
588 * rtl.c (rtl_check_failed_block_symbol): New function.
589 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
590 (block_symbol, object_block): New structures.
591 (rtx_def): Add a block_symbol field to the union.
592 (BLOCK_SYMBOL_CHECK): New macro.
593 (rtl_check_failed_block_symbol): Declare.
594 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
595 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
596 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
597 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
598 * output.h (output_section_symbols): Declare.
599 (object_block): Name structure.
600 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
601 (default_use_anchors_for_symbol_p): Declare.
602 * Makefile.in (RTL_BASE_H): Add vec.h.
603 (explow.o): Depend on output.h.
604 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
605 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
606 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
607 (rs6000_use_blocks_for_constant_p): New function.
609 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
611 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
613 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
616 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
619 2006-02-18 Diego Novillo <dnovillo@redhat.com>
621 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
625 2006-02-18 Jakub Jelinek <jakub@redhat.com>
628 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
629 instead of DECL_REGISTER.
631 2006-02-18 Olivier Hainque <hainque@adacore.com>
634 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
636 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
639 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
640 * opth-gen.awk: Handle Var and InverseMask together.
641 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
642 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
643 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
644 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
646 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
647 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
648 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
649 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
650 LINUX_DYNAMIC_LINKER): Define.
651 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
652 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
654 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
655 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
656 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
658 (TARGET_C99_FUNCTIONS): Don't define.
659 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
660 GLIBC_DYNAMIC_LINKER.
661 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
662 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
663 GLIBC_DYNAMIC_LINKER64): Define.
664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
665 LINUX_DYNAMIC_LINKER64.
666 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
668 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
670 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
671 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
672 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
673 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
674 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
676 and LINUX_DYNAMIC_LINKER32.
677 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
678 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
679 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
681 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
683 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
684 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
685 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
686 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
687 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
688 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
689 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
690 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
691 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
692 LINUX_DYNAMIC_LINKER): Define.
693 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
694 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
695 GLIBC_DYNAMIC_LINKER64): Define.
696 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
697 LINUX_DYNAMIC_LINKER64.
698 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
699 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
700 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
701 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
702 LINUX_DYNAMIC_LINKER): Define.
703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
704 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
705 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
706 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
707 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
708 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
709 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
710 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
711 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
712 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
713 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
714 * doc/invoke.texi (-muclibc): Remove caveat about supported
717 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
719 * doc/cpp.texi (__TIMESTAMP__): Document.
721 2006-02-17 Roger Sayle <roger@eyesopen.com>
724 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
725 C is one less than the width of X (and related transformations).
726 * simplify_rtx.c (simplify_unary_operation_1): Transform
727 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
728 depending on STORE_FLAG_VALUE, were C is one less then the
731 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
733 Fix PR tree-optimization/26341
734 * tree-ssa-operands.c (add_virtual_operand): Remove assert
735 about NAME_MEMORY_TAG's.
737 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
740 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
741 with hardware float support, and software float support. Add fcpy
742 alternative to hardware patterns. Add alternatives to copy between
743 general and floating-point registers to the 32-bit pattern.
744 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
745 secondary reload to load a QI or HI mode constant into a floating
747 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
748 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
750 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
753 * config/rs6000/darwin.md (load_macho_picbase_si): Add
755 (load_macho_picbase_di): Likewise.
757 2006-02-16 Jeff Law <law@redhat.com>
759 * tree-vrp.c (set_value_range_to_nonnegative): New function.
760 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
761 (ssa_name_nonzero_p): Likewise.
762 (get_value_range): Return NULL if VRP is not running.
763 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
764 VRP routines do not discover a range.
765 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
766 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
767 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
768 (tree_expr_nonnegative_p): Similarly.
769 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
770 (restore_nonzero_vars_to_original_value): Remove.
771 (unsafe_associative_fp_binop): Remove.
772 (tree_ssa_dominator_optimize): Remove initialization and
773 finalization of nonzero_vars and nonzero_vars_stack.
774 (dom_opt_initialize_block): No longer push marker on
776 (dom_opt_finalize_block): No longer call
777 restore_nonzero_vars_to_original_value.
778 (record_equivalences_from_phis): No longer look for
779 nonzero PHI arguments.
780 (cprop_into_successor_phis): No longer propagate nonzero
781 property into PHI arguments. Lose unused argument. Caller
783 (record_equivalences_from_stmt): No longer record nonzero
784 values for SSA_NAMEs.
785 (lookup_avail_expr): No longer use nonzero_vars.
787 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
788 for sizetype when sizetype is unsigned.
790 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
792 PR rtl-optimization/25603
793 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
794 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
795 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
796 with new meaning of SETS.
798 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
803 * config/linux.opt: New file.
804 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
805 LINUX_DYNAMIC_LINKER): Define.
806 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
807 * config.gcc (*-*-linux*): Define extra_options.
808 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
809 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
810 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
811 GLIBC_DYNAMIC_LINKER.
812 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
813 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
814 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
815 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
816 * doc/invoke.texi (GNU/Linux Options): New section.
818 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
820 * config/sparc/sparc.md (setjmp): Rewrite.
822 (setjmp_64): Likewise.
824 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
826 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
829 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
831 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
834 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
836 PR rtl-optimization/26296
837 * Makefile.in (loop-invariant.c): Add except.h dependency.
838 * loop-invariant.c: Include except.h.
839 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
841 2005-02-16 Paul Brook <paul@codesourcery.com>
843 * reload1.c (emit_reload_insns): Invalidate dead input registers used
846 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
848 PR rtl-optimization/25636
849 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
850 when deciding whether an insn is an initializing insn.
852 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
854 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
855 (tree_code_size): Ditto.
856 * tree.h (struct tree_memory_tag): Remove parent_var.
857 (struct tree_struct_field_tag): New.
860 (union tree_node): Add sft member.
861 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
863 (create_sft): Add size and offset argument, set SFT_OFFSET and
865 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
866 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
867 * tree-flow-inline.h (get_subvar_at): Update for
869 (var_can_have_subvars): Ditto.
870 (overlap_subvar): Ditto.
871 * print-tree.c (print_node): Print out interesting things for
873 * tree-flow.h (struct subvar): Remove offset and size members.
874 * tree-ssa-operands.c (get_expr_operands): Update for
875 get_indirect_ref_operands changes.
876 (get_indirect_ref_operands): Call add_virtual_operand instead of
877 add_stmt_operand. Only recurse on base var if requested.
878 (access_can_touch_variable): New function.
879 (add_stmt_operand): Split virtual operand handling into ...
880 (add_virtual_operand): Here. Add offset, size, and for_clobber
881 arguments. Prune alias sets.
882 (add_call_clobber_ops): Call add_virtual_operand.
884 2006-02-15 Jakub Jelinek <jakub@redhat.com>
887 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
889 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
890 than TREE_CODE as index into omp_clause_num_ops array.
892 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
894 PR rtl-optimization/26184
895 * modulo-sched.c (generate_reg_moves): Free bitmap vector
897 * modulo-sched.c (sms_schedule): Free g_arr pointer.
898 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
899 must_precede, must_follow and tobe_scheduled.
902 * opts.c (common_handle_option): Free new_option pointer.
903 * df-core.c (df_analyze): Free postorder pointer.
905 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
907 * Makefile.in: Fix the examples about the use of stamps
909 2006-02-15 Michael Matz <matz@suse.de>
913 * stor-layout.c (layout_decl): Zero-width bitfields aren't
914 influenced by maximum_field_alignment or DECL_PACKED.
915 (update_alignment_for_field): Ditto.
916 (place_field): Ditto.
917 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
920 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
922 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
923 (debug_flow_info): Pass it.
924 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
925 * bb-reorder.c (reorder_basic_blocks): Likewise.
926 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
927 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
928 * flow.c (life_analysis, recompute_reg_usage): Likewise.
929 * gcse.c (gcse_main, bypass_jumps): Likewise.
930 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
931 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
932 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
933 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
934 * rtl.h (dump_flow_info): Adjust prototype.
935 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
936 * var-tracking.c (variable_tracking_main): Likewise.
937 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
938 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
941 2006-02-15 Marcin Dalecki <martin@dalecki.de>
943 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
946 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
948 PR tree-optimization/26209
949 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
950 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
952 * tree-cfg.c (replace_uses_by): Do not alter cfg.
954 2006-02-14 Roger Sayle <roger@eyesopen.com>
957 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
958 (X,Y) and the corresponding symmetry related transformations.
959 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
960 (X,Y) and its symmetry related transformations.
962 2006-02-14 Roger Sayle <roger@eyesopen.com>
964 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
967 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
969 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
971 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
974 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
975 support COMDAT group.
976 * configure: Regenerate.
978 2006-02-14 Roger Sayle <roger@eyesopen.com>
983 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
985 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
987 Fix PR tree-optimization/26260
989 * doc/invoke.texi (max-fields-for-field-sensitive): Document
991 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
992 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
993 * tree-ssa-structalias.c (create_variable_info_for): Use
994 MAX_FIELDS_FOR_FIELD_SENSITIVE.
996 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
998 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1000 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1001 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1002 of the ending condition.
1003 * tree-ssa-loop-manip.c: Include params.h.
1004 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1005 tree_unroll_loop): New functions.
1006 * tree-pass.h (pass_loop_prefetch): Declare.
1007 * loop.c (rest_of_handle_loop_optimize): Test for
1008 -fprefetch-loop-arrays-rtl.
1009 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1010 * timevar.def (TV_TREE_PREFETCH): New timevar.
1011 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1012 pass_loop_prefetch): New.
1013 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1014 (cleanup_tree_cfg_loop): Call scev_reset.
1015 * common.opt (fprefetch-loop-arrays-rtl): Add.
1016 * tree-ssa-loop-prefetch.c: New file.
1017 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1018 (new_temp_expr_table): Initialize expr_vars.
1019 (free_temp_expr_table): Cleanup expr_vars.
1020 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1021 expressions from being merged into one.
1022 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1023 (struct tree_niter_desc): Add control, bound and cmp fields.
1024 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1026 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1027 (tree-cfgcleanup.o): Add SCEV_H dependency.
1028 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1029 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1031 2006-02-14 Richard Guenther <rguenther@suse.de>
1033 PR tree-optimization/26258
1034 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1035 in PHI argument processing.
1037 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1039 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1040 new expression in the requested machine mode.
1042 2006-02-13 Roger Sayle <roger@eyesopen.com>
1044 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1045 directly, instead let do_compare_rtx_and_jump handle this for us.
1046 * expr.c (expand_expr_real_1): Likewise.
1047 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1048 before do_jump_by_parts_greater.
1049 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1050 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1052 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1054 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1056 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1058 PR rtl-optimization/26235
1059 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1060 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1063 2006-02-13 Jeff Law <law@redhat.com>
1065 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1068 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1071 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1072 twice if decl is a builtin. When trying again, call get_callee_fndecl
1073 first to verify it is still a builtin.
1075 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1077 * dwarf2out.c (base_type_die): Don't add AT_name here.
1078 (subrange_type_die): Don't add AT_name here.
1079 (modified_type_die): Rearrange code flow. Do add AT_name here.
1081 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1083 PR rtl-optimization/26247
1084 PR rtl-optimization/26248
1085 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1087 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1089 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1090 * config/fixtfdi.c: Likewise.
1091 * config/fixunstfdi.c: Likewise.
1092 * config/floatditf.c: Likewise.
1094 2006-02-13 Roger Sayle <roger@eyesopen.com>
1097 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1098 into (X,C2) if C1 is a subset of the bits of C2. Transform
1099 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1101 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1103 2006-02-13 Josh Conner <jconner@apple.com>
1106 * varasm.c (function_section): Check for section name before
1107 calling select_section on targets that define
1108 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1109 unlikely_text_section instead of hot_function_section if
1110 first_function_block_is_cold.
1112 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1115 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1117 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1119 PR rtl-optimization/26222
1120 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1121 after tree->rtl expansion.
1122 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1123 before passing it to emit_move_insn.
1125 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1127 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1129 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1130 Clarify documentation.
1131 * c-common.h (warn_write_strings): Remove.
1132 * c-common.c (warn_write_strings): Likewise.
1133 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1136 2006-02-12 Roger Sayle <roger@eyesopen.com>
1139 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1140 (do_jump_parts_zero_rtx): New function renamed from
1141 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1142 (do_jump_parts_equality_rtx): New function split out from
1143 do_jump_parts_equality. Old implementation renamed as above.
1144 Call do_jump_parts_zero_rtx if either operand is zero.
1145 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1146 do all of the heavy lifting.
1147 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1148 calling either do_jump_by_parts_greater_rtx or
1149 do_jump_by_parts_equality_rtx.
1150 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1151 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1152 moved to do_compare_rtx_and_jump, call it directly.
1153 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1154 mode argument. Call do_compare_rtx_and_jump.
1155 (emit_case_nodes): Update calls to do_jump_if_equal.
1157 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1159 PR rtl-optimization/26225
1160 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1162 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1164 PR rtl-optimization/26232
1165 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1167 2006-02-11 Jason Merrill <jason@redhat.com>
1170 * tree-inline.c (declare_return_variable): Just don't use the
1171 modify target if it's a gimple complex reg and the return slot
1174 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1176 * doc/contrib.texi: Update my entry.
1178 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1180 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1182 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1184 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1187 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1189 * doc/invoke.texi (-floop-optimize2): Removed.
1190 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1191 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1192 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1193 * common.opt (floop-optimize2): Removed.
1194 (fmove-loop-invariants): Enabled by default.
1196 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1198 * tree-if-conv.c (combine_blocks): Free the result of
1199 get_loop_exit_edges.
1201 2006-02-10 Jeff Law <law@redhat.com>
1203 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1205 PR tree-optimization/26213
1206 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1207 loop trying to follow SSA_NAME_VALUE chains.
1209 2006-02-10 Richard Guenther <rguenther@suse.de>
1211 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1212 deal with structures that end in implicitly variable sized arrays.
1214 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1216 PR rtl-optimization/24762
1217 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1220 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1222 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1223 (struct ivopts_data): Add regs_used field.
1224 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1225 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1226 instead of loop_data->regs_used;
1227 (free_loop_data): Do not free aux fields for loops.
1228 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1229 and tree_ssa_iv_optimize_finalize.
1231 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1233 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1235 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1238 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1239 computing the effective result type.
1241 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1244 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1245 (tree_overlaps_hard_reg_set): Declare.
1246 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1247 type and signature to match function type expected by walk_tree.
1248 (tree_overlaps_hard_reg_set): New function.
1249 (decl_conflicts_with_clobbers_p): Rename to:
1250 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1251 Use tree_overlaps_hard_reg_set. Changed caller.
1252 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1253 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1254 * cris.c (cris_md_asm_clobbers): Likewise.
1256 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1258 * reload1.c (emit_input_reload_insns): Delete code that tries to
1259 inherit using find_equiv_reg.
1261 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1263 * c-common.h (flag_const_strings): Don't declare.
1264 * c-common.c (flag_const_strings): Remove.
1265 * c.opt (fconst_strings): Remove.
1266 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1267 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1268 (c_common_init_options): Don't set flag_const_strings.
1269 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1271 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1273 * arm.md (tlobits_cbranch): New pattern.
1274 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1275 testing a single bit.
1277 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1280 * tree-ssa-pre.c (create_component_ref_by_pieces):
1281 Handle RETURN_DECL like VAR_DECL.
1283 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1286 * fold-const.c (fold_indirect_ref_1): Fold
1287 "*(foo *)&complexfoo" to "__real__ complexfoo"
1288 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1290 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1292 * tree-flow-inline.h (var_can_have_subvars):
1293 Volatile variables should not have subvariables.
1295 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1298 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1299 multiplying unsigned values.
1302 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1304 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1306 2006-02-08 Jason Merrill <jason@redhat.com>
1309 * tree.def: Elaborate on difference from MODIFY_EXPR.
1310 * doc/c-tree.texi (INIT_EXPR): Likewise.
1311 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1312 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1313 (gimplify_target_expr): Likewise.
1314 (gimplify_cond_expr): Remove target handling.
1315 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1316 (gimplify_expr): Clobber it here.
1317 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1318 Do return slot optimization if we have an INIT_EXPR.
1321 * tree-inline.c (declare_return_variable): Also clear
1322 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1325 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1328 * gimplify.c (gimplify_one_sizepos): Fix typo.
1330 2006-02-08 Jeff Law <law@redhat.com>
1332 PR tree-optimization/21417
1333 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1334 across a backedge if the control statement at the end of the
1335 block is data dependent on other statements in the same block.
1336 (record_temporary_equivalences_from_stmts): Remove over-conservative
1337 test for threading across backedges.
1339 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1340 control statement, handle all three special cases in the same
1341 manner as they all have the same desired solution. No longer
1342 special case edge flag updating when the post dominator is
1345 2006-02-08 Roger Sayle <roger@eyesopen.com>
1347 * tree.def (CHAR_TYPE): Remove.
1348 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1349 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1350 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1351 (gen_string_type_die): Delete unreachable function.
1353 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1354 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1355 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1356 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1357 * builtins.c (type_to_class): Likewise.
1358 * fold-const.c (fold_convert, build_range_check,
1359 merge_ranges): Likewise.
1360 * expr.c (count_type_elements): Likewise.
1361 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1362 * stor-layout.c (layout_type): Likewise.
1363 * ipa-type-escape.c (type_to_consider): Likewise.
1364 * gimplify.c (omp_firstprivatize_type_sizes,
1365 gimplify_type_sizes): Likewise.
1366 * explow.c (promote_mode): Likewise.
1367 * tree-sra.c (is_sra_scalar_type): Likewise.
1368 * varasm.c (output_constant): Likewise.
1369 * tree-inline.c (remap_type_1): Likewise.
1370 * convert.c (convert_to_pointer, convert_to_real,
1371 convert_to_integer, convert_to_complex): Likewise.
1373 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1375 * df-scan.c (df_def_record_1): A set destination may
1376 be a parallel regardless of mode.
1378 2006-02-08 Roger Sayle <roger@eyesopen.com>
1381 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1382 * config/mips/_tilib.c: Remove.
1383 * config/fixtfdi.c: New libgcc source file.
1384 * config/fixunstfdi.c: New source file.
1385 * config/floatditf.c: New source file.
1386 * config/floatunditf.c: New souce file.
1387 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1388 files above instead of config/mips/_tilib.c.
1389 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1391 2006-02-08 Jeff Law <law@redhat.com>
1393 PR tree-optimization/26169
1394 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1397 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1399 * df.h (DF_REG_SIZE): Return the length of the initialized
1402 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1404 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1405 __muldf3): Return a correctly signed zero.
1407 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1409 * passes.c (register_one_dump_file): Accept the current properties
1410 instead of pass number. Adjust call to dump_register. Remove
1412 (register_dump_files): Now a wrapper around...
1413 (register_dump_files_1): ... this one. Do not modify the pass
1415 (next_pass_1): Cosmetic fix.
1416 (execute_todo): Keep second parameter only. Use curr_properties
1417 instead of fetching it from the pass structure. Check and set
1419 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1420 instead of fetching it from the pass structure. Fix calls to
1421 execute_todo. Update curr_properties and initialize .vcg RTL dump
1422 after running the pass. Reset last_verified.
1423 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1425 (FIRST_AUTO_NUMBERED_DUMP): New.
1426 (dump_register): Remove "num" parameter, assign it within the
1428 (get_dump_file_name): Modify template for dumps.
1429 * tree-dump.h (dump_register): Adjust prototype.
1430 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1431 (PROP_trees): Add PROP_gimple_lomp.
1432 (TODO_set_props): New.
1433 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1434 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1435 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1437 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1439 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1440 (sparc64-*-linux*): Likewise.
1441 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1442 * config/sparc/t-linux: New file.
1443 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1444 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1445 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1446 -m32 -mlong-double-128.
1448 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1449 * config/alpha/t-linux: New file.
1450 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1452 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1453 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1454 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1455 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1456 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1457 (CPP_ARCH32_SPEC): Remove.
1459 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1461 PR tree-optimization/26145
1462 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1465 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1468 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1469 >= 240000 when generating code for SOM runtime.
1470 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1471 to $$dyncall when generating code for SOM runtime..
1473 2006-02-07 Dirk Mueller <dmueller@suse.com>
1476 * doc/invoke.texi (-Wsequence-point): Update documentation
1477 that -Wsequence-point is implemented for C++ as well.
1479 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1481 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1482 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1483 (LIB_SPEC): Likewise.
1484 * doc/invoke.texi (SPARC options): Document -pthread.
1486 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1488 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1491 2006-02-07 Roger Sayle <roger@eyesopen.com>
1493 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1494 Correct comment describing BOOLEAN_TYPE.
1496 2006-02-07 Dirk Mueller <dmueller@suse.com>
1498 * c.opt: C++ frontend supports -Wdiv-by-zero.
1499 * c-opts.c (c_common_handle_option): Remove dead case.
1501 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1503 * configure.ac (TLS assembler check): Do not enable TLS by
1504 default on SPARC/Solaris before version 10.
1505 * configure: Regenerate.
1507 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1509 * doc/invoke.texi (xl-compat): Document conversion and support
1512 2006-02-07 Jeff Law <law@redhat.com>
1514 * tree-vrp.c (find_conditional_asserts): Update comments.
1515 (simplify_stmt_for_jump_threading): New.
1516 (identify_jump_threads, finalize_jump_threads): New.
1517 (vrp_finalize): Call identify_jump_threads.
1518 (execute_vrp): Call finalize_jump_threads.
1519 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1520 (vrp_element, vrp_data, vrp_element_p): Remove.
1521 (vrp_hash_elt, vrp_variables_stack): Remove.
1522 (vrp_hash, vrp_eq, record_range): Remove.
1523 (simplify_cond_and_lookup_avail_expr): Remove.
1524 (extract_range_from_cond): Remove.
1525 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1526 (simplify_stmt_for_jump_threading): New.
1527 (dom_thread_across_edge): New wrapper.
1528 (tree_ssa_dominator_optimize): No longer initialize or
1529 finalize any of the VRP datastructures. Remove iteration
1530 step and simplify as a result of removal of iteration step.
1531 (pass_dominator): Perform a cfg cleanup after DOM.
1532 (dom_opt_finalize_block): Use the new common routines
1533 for threading jumps. Simplify stack management slightly.
1534 No longer need to unwind VRP state.
1535 (record_equivalences_from_incoming_edge): No longer record
1537 (eliminate_redundant_computations): No longer call
1538 simplify_cond_and_lookup_avail_expr.
1539 * tree-flow.h (potentially_threadable_block): Prototype.
1540 (thread_across_edge): Likewise.
1541 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1542 (tree-ssa-threadedge.o): Add dependencies.
1543 * tree-ssa-threadedge.c: New file.
1544 * passes.c (init_optimization_passes): Merge PHIs before
1545 calling VRP. Run VRP again late in the SSA optimization pipeline.
1547 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1549 * df-core.c (df_set_blocks): Do not dereference function pointers.
1550 (df_finish1): Likewise.
1551 (df_hybrid_search_forward): Likewise.
1552 (df_hybrid_search_backward): Likewise.
1553 (df_iterative_dataflow): Likewise.
1554 (df_analyze_problem): Likewise.
1555 (df_compact_blocks): Likewise.
1556 (df_dump): Likewise.
1557 * df-scan.c (df_rescan_blocks): Likewise.
1558 (df_record_entry_block_defs): Likewise.
1560 * genconditions.c (write_conditions): Guard the definition of
1561 'insn_conditions' with the check on GCC version.
1562 (write_writer): Guard the traversal 'insn_conditions' with
1563 the check on GCC version.
1565 2006-02-07 Richard Guenther <rguenther@suse.de>
1569 2006-01-30 Richard Guenther <rguenther@suse.de>
1571 * gimplify.c (gimplify_target_expr): Handle easy cases
1572 without creating a temporary.
1574 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1576 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1577 use of float in probability computations. Use edge probabilities
1578 in place of statically computed probabilities.
1579 (min_spec_prob): New static variable.
1580 (schedule_insns): Initialize it.
1581 (GET_SRC_PROB): Removed.
1582 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1584 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1587 * config/ia64/unwind-ia64.c: Revert last change.
1588 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1589 (INCOMING_FRAME_SP_OFFSET): Define.
1591 2006-02-06 Roger Sayle <roger@eyesopen.com>
1593 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1595 2006-02-07 Ben Elliston <bje@au.ibm.com>
1597 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1598 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1599 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1600 (ix86_return_in_memory): Handle TDmode.
1601 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1602 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1604 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1606 * reorg.c (dbr_schedule): Use dump_file instead of file.
1608 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1611 * config/ia64/predicates.md (extr_len_operand): New predicate.
1612 * config/ia64/ia64.md (extv): Tighten constraints.
1614 (*tbit_and_2): Ditto.
1615 (*tbit_and_3): Ditto.
1616 (*tbit_or_2): Ditto.
1617 (*tbit_or_3): Ditto.
1621 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1624 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1626 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1628 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1629 loop_optimizer_init and loop_optimizer_finalize
1630 * tree-ssa-sink.c (execute_sink_code): Ditto.
1631 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1632 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1633 tree_ssa_loop_done): Ditto.
1634 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1635 * sched-ebb.c: Include output.h.
1636 (schedule_ebbs): Do not use dump argument.
1637 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1638 * loop.c (loop_dump_stream): Removed.
1639 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1641 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1642 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1643 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1644 loop_iterations, strength_reduce, record_biv, record_giv,
1645 final_giv_value, check_final_value, check_ext_dependent_givs,
1646 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1647 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1648 dump_file instead of loop_dump_stream.
1649 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1651 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1653 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1654 * haifa-sched.c: Include output.h
1655 (schedule_insns, sched_init): Do not use dump argument.
1656 * mode-switching.c (optimize_mode_switching): Ditto.
1657 * modulo-sched.c (stats_file): Removed.
1658 (print_node_sched_params): Do not call argument dump_file.
1659 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1660 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1662 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1664 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1665 rtl_loop_init, rtl_loop_done): Ditto.
1666 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1667 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1669 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1670 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1671 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1672 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1673 * emit-rtl.c (renumber_insns): Ditto.
1674 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1675 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1676 * regclass.c (regclass): Ditto.
1677 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1678 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1679 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1680 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1682 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1683 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1685 * gcse.c (gcse_file, debug_stderr): Removed.
1686 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1687 rest_of_handle_gcse): Do not use dump argument.
1688 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1689 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1690 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1691 compute_code_hoist_vbeinout, compute_code_hoist_data,
1692 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1693 compute_store_table, build_store_vectors, insert_insn_start_bb,
1694 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1695 store_motion): Use dump_file instead of gcse_file.
1696 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1697 * profile.c (profile_dump_file): Removed.
1698 (branch_prob): Use dump_file instead of profile_dump_file.
1699 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1701 * tree-ssa-copy.c (dump_copy_of): Ditto.
1702 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1703 dump file to life_analysis.
1704 * bt-load.c (branch_target_load_optimize): Ditto.
1705 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1707 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1708 regclass, dbr_schedule): Declaration changed.
1709 * sched-int.h (sched_init): Declaration changed.
1710 * tree-profile.c (tree_profile_dump_file): Removed.
1711 (tree_profile_hooks): Removed profile_dump_file hook.
1712 * rtl-profile (rtl_profile_dump_file): Removed.
1713 (rtl_profile_hooks): emoved profile_dump_file hook.
1714 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1716 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1717 * tree-cfg.c (build_tree_cfg): Ditto.
1718 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1719 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1720 Declaration changed.
1721 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1722 life_analysis and schedule_insns.
1723 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1725 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1727 * config/mips/mips.c (mips_reorg): Ditto.
1728 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1731 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1733 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1734 (s390_mangle_fundamental_type): New.
1735 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1738 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1739 (alpha_mangle_fundamental_type): New.
1740 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1743 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1745 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1747 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1748 (sparc_mangle_fundamental_type): New.
1750 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1752 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1753 (s390x-*-linux*): Likewise.
1754 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1755 * config/s390/t-linux: New file.
1757 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1759 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1760 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1762 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1764 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1765 (ANTIC_SAFE_LOADS): New macro.
1766 (find_or_generate_expression): Add prototype.
1767 (set_contains_value): Allow null set for sake of not always having
1768 to allocate ANTIC_SAFE_LOADS.
1769 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1770 Allow COMPONENT_REF too.
1771 (valid_in_set): Allow COMPONENT_REF.
1772 Check ANTIC_SAFE_LOADS too.
1773 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1774 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1776 (can_PRE_operation): Add COMPONENT_REF.
1777 (create_component_ref_by_pieces): New function.
1778 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1779 (insert_aux): Move AGGREGATE_TYPE_P check here.
1780 (compute_avail): Set bb local stmt uids.
1781 (pass_pre): Use TODO_update_ssa_only_virtuals.
1783 2006-02-06 Ben Elliston <bje@au.ibm.com>
1785 * configure.ac: Unconditionally disable decimal float by default.
1786 * configure: Regenerate.
1788 2006-02-06 Ben Elliston <bje@au.ibm.com>
1790 * read-rtl.c (read_name): Terminate reading on EOF.
1792 2006-02-06 Ben Elliston <bje@au.ibm.com>
1794 * dfp.c (decimal_real_arithmetic): Change second argument type
1795 from int to enum tree_code. Do not always return true, but now
1796 return result of any call to decimal_do helper functions.
1797 * dfp.h (decimal_real_arithmetic): Update prototype.
1799 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1801 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1803 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1806 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1809 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1811 * tree-vrp.c (cfg_loops): Removed.
1812 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1813 Use current_loops instead of cfg_loops. Pass flags to
1814 loop_optimizer_init.
1815 * cfgloopmanip.c (fix_loop_structure): Update only available
1817 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1818 loop_optimizer_init.
1819 * modulo-sched.c (build_loops_structure): Removed.
1820 (sms_schedule): Use loop_optimizer_init.
1821 * loop-init.c (loop_optimizer_init): Use flags to determine
1822 which properties of loops to prepare.
1823 (rtl_loop_init): Pass flags to loop_optimizer_init.
1824 * tree-ssa-sink.c (execute_sink_code): Ditto.
1825 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1826 * tree-ssa-pre.c (init_pre): Ditto.
1827 * cfgloop.h (LOOPS_NORMAL): New.
1828 (loop_optimizer_init): Declaration changed.
1830 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1832 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1833 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1835 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1837 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1839 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1840 * pa/t-pa64: Delete quadlib.c rule.
1841 * pa/x-ada: Revert last change.
1842 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1844 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1846 PR rtl-optimization/26087
1847 * rtlanal.c (canonicalize_condition): Do not cross basic block
1850 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1853 * config/ia64/ia64.c: Include debug.h.
1854 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1855 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1856 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1857 (process_epilogue, process_set, process_for_unwind_directive):
1858 Output unwind info only if requested. Add CFA info if requested.
1859 Add new arguments as needed. Adjust callers.
1860 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1862 (DWARF2_FRAME_INFO): Define to zero.
1863 * config/ia64/unwind-ia64.c: Remove code that compensated for
1864 the CFA offset error fixed above.
1865 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1866 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1867 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1868 -funwind-tables and -fexceptions to enable frame info.
1869 (dwarf2out_frame_init): Define initial CFA even if
1870 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1871 DWARF2_UNWIND_INFO is nonzero, not just defined.
1872 (dwarf2out_frame_finish): Output non-EH call frame info only
1873 if DWARF2_FRAME_INFO is nonzero.
1874 (convert_cfa_to_loc_list,
1875 compute_frame_pointer_to_cfa_displacement): Define even if
1876 unwind info is not supported.
1877 (gen_subprogram_die): Use the above unconditionally. Remove
1878 legacy alternate code.
1879 * toplev.c (compile_file): Compile in call to
1880 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1881 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1883 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1884 Jakub Jelinek <jakub@redhat.com>
1886 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1887 IBM extended float format long double as "g" on powerpc*-linux.
1889 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1892 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1893 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1895 2006-02-03 Jason Merrill <jason@redhat.com>
1898 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1901 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1902 on the return slot if it's an NRV.
1904 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1906 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1907 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1908 rewrite_use): Do not handle USE_OUTER.
1909 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1910 add_iv_outer_candidates, may_replace_final_value,
1911 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1912 (find_interesting_uses_op): Functionality of
1913 find_interesting_uses_outer_or_nonlin moved here.
1914 (find_interesting_uses_outside): Use find_interesting_uses_op.
1916 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1919 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1921 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1922 Ulrich Weigand <uweigand@de.ibm.com>
1925 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1926 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1927 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1928 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1930 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1931 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1932 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1933 Define secondary reloads for TFmode moves.
1934 (constant_modes): Add TFmode.
1935 (NR_C_MODES): Set to 8.
1936 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1938 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1939 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1940 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1941 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1942 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1943 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1944 (FPR mode macro): Add TFmode.
1945 (DSF mode macro): New.
1946 (<de>, <dee> mode attributes): Removed.
1947 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1948 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1949 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1950 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1951 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1952 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1953 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1954 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1955 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1956 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1957 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1958 "*negabs<mode>2", "sqrt<mode>2"):
1959 Changed <de> to <xde>. R constraint replaced by <Rf>.
1960 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1962 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1963 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1964 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1966 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1967 "extenddftf2", "extendsftf2"): New expanders.
1968 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1969 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1970 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1971 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1973 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1974 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1975 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1976 __floatditf): Add a GCC_4.1.0 symbol version tag.
1977 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1980 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1983 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1984 Use targetm.binds_local_p instead of TREE_PUBLIC.
1986 2006-02-02 Roger Sayle <roger@eyesopen.com>
1988 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1989 on INTEGER_TYPEs to indicate that it denotes a character type.
1990 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1991 signed_char_type_node, unsigned_char_type_node and char_type_node.
1992 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1993 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1994 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1996 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1997 Daniel Berlin <dberlin@dberlin.org>
1999 * tree-tailcall.c (arg_needs_copy_p): New function.
2000 (eliminate_tail_call): Use arg_needs_copy_p.
2001 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2002 (add_virtual_phis): New function.
2004 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2006 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2007 #ignore instead of #scratch for %g7 .register directive.
2009 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2011 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2014 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2016 * flow.c (calculate_global_regs_live): Assert that there aren't any
2019 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2021 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2023 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2024 bsi_after_labels iterator.
2025 * tree-if-conv.c (find_phi_replacement_condition,
2026 replace_phi_with_cond_modify_expr): Likewise.
2027 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2028 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2030 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2032 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2034 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2037 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2038 array after growing it.
2040 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2043 * fold-const.c (fold_checksum_tree): Change type of buf.
2045 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2047 * reload.c (push_secondary_reload): Initialize t_icode.
2049 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2051 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2052 -msoft-float -mlong-double-128 only issue a warning, but don't
2053 swich to DFmode long double.
2055 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2057 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2058 has a constant equivalent, iterate over equivalents for arg0,
2059 calling simplify_relational_operation and if there's a result
2060 cheaper than X, apply fold_rtx and return the result.
2062 2006-02-01 Jan Hubicka <jh@suse.cz>
2064 * opts.c (no_unit_at_a_time_default): New global variable.
2065 (decode_options): Use it.
2066 * opts.h (no_unit_at_a_time_default): Declare.
2068 2006-02-01 Paul Brook <paul@codesourcery.com>
2070 * function.c (assign_parm_setup_reg): Use function argument promotion
2072 * expr.c (expand_expr_real_1): Use function argument promotion rules
2075 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2077 * gcc.c (process_command): Change j to 'unsigned int'.
2079 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2082 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2083 Use the corrected index for the character
2084 out of the string constant.
2086 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2088 * mode-switching.c (optimize_mode_switching): Fix size
2089 allocated for bb_info[n_entities].
2091 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2093 * gcc.c (main): Correct type that is allocated for
2094 explicit_link_files.
2096 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2098 * config/s390/s390.c (init_alignment_context): Set
2099 ALIAS_SET_MEMORY_BARRIER on the MEM.
2100 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2102 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2105 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2107 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2110 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2112 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2113 * regrename.c: Ditto.
2114 * tree-ssa-loop-im.c: Ditto.
2115 * tree-dump.c: Ditto.
2116 * tree-complex.c: Ditto.
2117 * genrecog.c: Ditto.
2118 * tree-ssa-threadupdate.c: Ditto.
2120 * java/class.c: Ditto.
2121 * java/jcf-parse.c: Ditto.
2122 * java/resource.c: Ditto.
2123 * java/except.c: Ditto.
2124 * java/jvspec.c: Ditto.
2125 * java/jcf-write.c: Ditto.
2126 * java/jcf-path.c: Ditto.
2127 * java/gjavah.c: Ditto.
2128 * java/zextract.c: Ditto.
2129 * java/jcf-io.c: Ditto.
2130 * java/jcf.h: Ditto.
2131 * java/buffer.c: Ditto.
2132 * java/lang.c: Ditto.
2133 * java/parse-scan.y: Ditto.
2134 * java/lex.c: Ditto.
2135 * java/lex.h: Ditto.
2136 * cfgloopmanip.c: Ditto.
2137 * postreload-gcse.c: Ditto.
2138 * tree-ssa-loop-manip.c: Ditto.
2139 * postreload.c: Ditto.
2140 * tree-ssa-loop-ch.c: Ditto.
2144 * diagnostic.c: Ditto.
2146 * genoutput.c: Ditto.
2148 * cfghooks.c: Ditto.
2149 * cfgloopanal.c: Ditto.
2150 * objc/objc-act.c: Ditto.
2152 * genextract.c: Ditto.
2153 * genautomata.c: Ditto.
2154 * pretty-print.c: Ditto.
2156 * cgraphunit.c: Ditto.
2159 * haifa-sched.c: Ditto.
2160 * dominance.c: Ditto.
2162 * tree-ssa-loop-ivopts.c: Ditto.
2164 * mode-switching.c: Ditto.
2165 * modulo-sched.c: Ditto.
2167 * ipa-pure-const.c: Ditto.
2169 * fix-header.c: Ditto.
2171 * tree-stdarg.c: Ditto.
2172 * ipa-utils.c: Ditto.
2173 * loop-init.c: Ditto.
2174 * ipa-inline.c: Ditto.
2177 * alloc-pool.c: Ditto.
2178 * dwarf2out.c: Ditto.
2180 * genattrtab.c: Ditto.
2181 * tree-ssa-loop-ivcanon.c: Ditto.
2185 * fortran/gfortranspec.c: Ditto.
2187 * local-alloc.c: Ditto.
2188 * langhooks.c: Ditto.
2189 * function.c: Ditto.
2190 * tree-vectorizer.c: Ditto.
2192 * ipa-type-escape.c: Ditto.
2194 * tree-if-conv.c: Ditto.
2197 * tree-data-ref.c: Ditto.
2198 * loop-unroll.c: Ditto.
2199 * treelang/treetree.c: Ditto.
2202 * ggc-common.c: Ditto.
2204 * coverage.c: Ditto.
2206 * tree-cfgcleanup.c: Ditto.
2207 * tree-ssa-pre.c: Ditto.
2208 * cfgcleanup.c: Ditto.
2209 * loop-invariant.c: Ditto.
2211 * ipa-prop.c: Ditto.
2212 * print-tree.c: Ditto.
2213 * conflict.c: Ditto.
2214 * ggc-page.c: Ditto.
2215 * sched-deps.c: Ditto.
2216 * regclass.c: Ditto.
2217 * tree-object-size.c: Ditto.
2219 * bb-reorder.c: Ditto.
2220 * resource.c: Ditto.
2221 * var-tracking.c: Ditto.
2223 * df-problems.c: Ditto.
2224 * reg-stack.c: Ditto.
2227 * sched-rgn.c: Ditto.
2228 * tree-ssa-structalias.c: Ditto.
2229 * tree-ssa-reassoc.c: Ditto.
2230 * config/darwin-c.c: Ditto.
2231 * config/darwin.c: Ditto.
2232 * config/arm/arm.c: Ditto.
2234 * collect2.c: Ditto.
2237 2006-01-31 Nicolas Pitre <nico@cam.org>
2239 * arm.md (smaxsi3): Make aware of smax_m1.
2242 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2244 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2246 2006-01-31 Richard Guenther <rguenther@suse.de>
2248 * doc/invoke.texi (-msselibm): Document.
2249 * target.h (expand_library_builtin): New target hook.
2250 * builtins.c (expand_builtin): Use expand_library_builtin.
2251 (default_expand_library_builtin): New function.
2252 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2253 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2254 (link_gcc_math_spec): Declare.
2255 (static_specs): Add link_gcc_math_spec.
2256 * expr.h (default_expand_library_builtin): Declare.
2257 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2258 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2259 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2260 * config/i386/i386.opt (msselibm): New target option.
2261 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2262 (ix86_init_sse_abi_builtins): New function.
2263 (ix86_expand_library_builtin): Likewise.
2264 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2265 (override_options): Handle error conditions wrt -msselibm.
2266 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2267 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2268 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2271 2006-01-31 Richard Guenther <rguenther@suse.de>
2272 Paolo Bonzini <bonzini@gnu.org>
2274 * doc/install.texi (--disable-libgcc-math): Document.
2276 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2278 * expr.h (expand_normal): new inline function.
2279 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2281 * dwarf2out.c: use it.
2286 * config/sparc/sparc.c: use it.
2287 * config/i386/i386.c: use it.
2288 * config/rs6000/rs6000.c: use it.
2289 * config/arm/arm.c: use it.
2290 * config/mips/mips.c: use it.
2291 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2293 2006-01-30 Roger Sayle <roger@eyesopen.com>
2295 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2296 argv to the appropriate type.
2298 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2300 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2303 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2306 * config/s390/s390.c (struct machine_function): New flag
2307 decomposed_literal_pool_addresses_ok_p.
2308 (s390_reorg): Set it before final stage of literal pool transforms.
2309 (s390_decompose_address): Only accept displacements of the form
2310 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2312 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2314 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2315 the comparison routine return.
2317 2006-01-30 Michael Matz <matz@suse.de>
2319 * global.c (find_reg): Only evict for global regs.
2320 Take n_refs into account and dump more info.
2322 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2325 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2326 (pragma_trap, pragma_nosave_low_regs): Likewise.
2327 (current_function_anonymous_args): Likewise.
2328 (sh_deferred_function_attributes): New variable.
2329 (sh_deferred_function_attributes_tail): Likewise.
2330 (print_operand): For '@', look up trap_exit attribute.
2331 (calc_live_regs): Look up trapa_handler attribute. For trapa
2332 handlers, save/restore fpscr, but don't do any other
2333 interrupt-specific saves.
2334 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2335 Fix check for partially saved registers to check for SHmedia.
2336 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2337 (sh_output_function_epilogue): Don't clear any of the removed
2339 (sh_insert_attributes): Don't check pragma_interrupt.
2340 Insert deferred attributes. Check that interrupt attribute is
2341 present for other attributes that require its presence.
2342 (sh_attribute_table): Add new attributes trapa_handler and
2344 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2345 Don't check for pragma_interrupt. Don't store argument.
2346 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2347 (sh_deferred_function_attributes): Declare.
2348 (sh_deferred_function_attributes_tail): Likewise.
2349 * sh.md (sp_switch_1): Add operand. Change generator caller.
2350 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2351 (*return_i): Don't use when trap_exit attribute is in effect.
2352 (*return_trapa): New insn pattern.
2354 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2355 setting c_target_objs and cxx_target_objs.
2356 * t-sh: Add rule for sh-c.o.
2358 2006-01-30 Richard Guenther <rguenther@suse.de>
2361 * gimplify.c (gimplify_target_expr): Handle easy cases
2362 without creating a temporary.
2364 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2366 * vec.h (safe_grow): Remove duplicated line.
2368 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2371 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2372 (expand_omp): ... here.
2373 (expand_omp_parallel): Only remove barriers for combined
2374 parallel+workshare constructs.
2376 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2380 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2381 * tree.c (build_qualified_type): Chain the new type to the original
2382 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2383 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2384 (build_pointer_type_for_mode): Only return unqualified types.
2385 (build_reference_type_for_mode): Likewise.
2387 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2389 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2390 * Makefile.in (CXX_COMPAT_WARN): Define.
2391 * configure: Regenerate.
2393 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2396 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2399 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2401 * toplev.c: Fix thinko.
2403 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2404 Marcin Dalecki <martin@dalecki.de>
2406 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2407 (push_srcloc): Use XNEW.
2408 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2410 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2412 * df-core.c (df_set_blocks): Deleted all variable.
2414 2006-01-28 Ian Lance Taylor <ian@airs.com>
2416 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2417 cgraph_output_pending_asms.
2419 2006-01-28 Zack Weinberg <zackw@panix.com>
2421 * c.opt: Add -W(no-)overlength-strings.
2422 * doc/invoke.texi: Document it.
2423 * c-opts.c (c_common_handle_option): -pedantic implies
2424 -Woverlength-strings, if not explicitly disabled already.
2425 (c_common_post_options): -Woverlength-strings defaults to off, and
2426 is always off for C++.
2427 * c-common.c (fix_string_type): Issue warning about strings longer
2428 than is portable only if warn_overlength_strings. Rearrange code
2429 a little for clarity.
2430 * configure.in: Check for -Wno-overlength-strings as well before
2431 enabling -pedantic in stage 1.
2432 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2433 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2435 * genconditions.c (write_header, write_one_condition)
2436 (write_conditions, write_writer): Consolidate very long strings
2437 that were broken up to fit in C89 portable limit. Don't use
2438 printf when fputs will do.
2440 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2442 * combine.c (simplify_comparison <AND>): Check
2443 TRULY_NOOP_TRUNCATION before start using a subreg.
2445 * config/mips/mips.md (*branch_zero<mode>,
2446 *branch_zero<mode>_inverted, *branch_equality<mode>,
2447 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2448 Remove mode check from comparisons.
2450 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2452 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2454 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2456 * expmed.c (const_mult_add_overflow_p): Remove.
2457 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2459 * recog.c (validate_replace_rtx_subexp): Remove.
2460 * recog.h: Remove the prototype for
2461 validate_replace_rtx_subexp.
2463 * integrate.h: Remove the prototype for
2464 copy_decl_for_inlining.
2465 * rtl.h: Remove the prototype for mark_constant_function.
2466 * tree-vectorizer.h: Remove the prototype for
2467 vect_strip_conversion.
2469 * modulo-sched.c (create_partial_schedule,
2470 free_partial_schedule, reset_partial_schedule): Make them
2473 * hooks.c (hook_bool_rtx_int_false): Remove.
2474 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2476 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2478 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2479 and -mlong-double-128 are incompatible.
2480 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2481 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2482 (TARGET_LIBGCC2_CFLAGS): Define.
2483 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2484 (TARGET_LIBGCC2_CFLAGS): Same.
2485 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2487 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2490 * c-typeck.c (build_binary_op): Perform implicit casts of
2491 operands before shortening them.
2493 * cfgloopmanip.c (split_loop_bb): Remove.
2494 * cfgloop.h: Remove the prototype for split_loop_bb.
2496 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2497 * cfgloop.h: Remove the prototype for
2498 flow_loop_outside_edge_p.
2500 * emit-rtl.c (init_virtual_regs): Make it static.
2501 * function.h: Remove the prototype for init_virtual_regs.
2503 * recog.c (peephole2_optimize): Make it static.
2504 * recog.h: Remove the prototype for peephole2_optimize.
2506 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2508 * df-scan.c (df_record_entry_block_defs): Check if
2509 INCOMING_RETURN_ADDR_RTX is defined.
2511 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2512 Kenneth Zadeck <zadeck@naturalbridge.com>
2514 PR rtl-optimization/24762
2515 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2516 * targhooks.c (hook_void_bitmap): New hook prototype.
2517 * targhoohs.h (hook_void_bitmap): Ditto.
2518 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2519 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2520 * target.h (live_on_entry): New function pointer.
2521 * df-scan.c (df_all_hard_regs): Removed.
2522 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2523 (df_scan_free_internal): Added df->entry_block_defs.
2524 (df_scan_alloc): Ditto.
2525 (df_scan_dump): Ditto.
2526 (df_uses_record): Plumbed flag field properly thru calls.
2527 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2528 This part fixes PR24762.
2529 (df_bb_refs_record): Added code to make the frame and arg
2530 pointers live in EH blocks.
2531 (df_refs_record): Added call to df_record_entry_block_defs.
2532 (df_record_entry_block_defs): New function.
2533 * df-core.c: Added comments to describe new artifical defs.
2534 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2535 (entry_block_defs): New field in struct df.
2536 (df_all_hard_regs): Deleted.
2537 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2538 * df-problems.c (df_ru_bb_local_compute_process_def):
2539 Added code to handle artifical defs in the entry to a function.
2540 (df_ru_bb_local_compute): Ditto.
2541 (df_rd_bb_local_compute_process_def): Ditto.
2542 (df_rd_bb_local_compute): Ditto.
2543 (df_lr_bb_local_compute): Ditto.
2544 (df_ur_bb_local_compute): Ditto.
2545 (df_urec_bb_local_compute): Ditto.
2546 (df_chain_create_bb): Ditto.
2547 (df_ur_local_finalize): Removed entry.
2548 (df_urec_init): Ditto.
2549 (df_urec_local_finalize): Ditto.
2550 (df_ri_bb_compute): Added detection of last use of pseudos.
2551 * Makefile.in (df-scan.o): Updated dependencies.
2552 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2553 * config/mips/mips.c (mips_set_live_on_entry): Added.
2554 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2556 * dce.c (marked_insn_p): Added code to handle artifical defs.
2558 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2560 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2562 (_mm_cvtsi128_si64): Likewise.
2563 (_mm_cvtsd_si64): Likewise.
2564 (_mm_cvttsd_si64): Likewise.
2565 (_mm_cvtsi64_sd): Likewise.
2566 (_mm_cvtsi64_si128): Likewise.
2567 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2568 (_mm_cvtsi64_m64): Likewise.
2569 (_m_to_int64): Likewise.
2570 (_mm_cvtm64_si64): Likewise.
2571 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2572 (_mm_cvttss_si64): Likewise.
2573 (_mm_cvtsi64_ss): Likewise.
2574 (_mm_cvtss_f32): Likewise.
2576 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2578 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2579 for pragma redefine_extname.
2581 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2584 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2585 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2586 -mno-minimal-toc to previous content.
2587 (bispecs): Remove goal.
2588 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2589 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2590 compatibility aliases on powerpc-*-*gnu*.
2591 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2592 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2593 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2594 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2595 (ldblspecs): New goal.
2596 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2597 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2599 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2600 L_sf_to_tf or L_df_to_tf is defined.
2602 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2603 Alan Modra <amodra@bigpond.net.au>
2606 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2607 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2608 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2609 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2610 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2611 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2612 (rs6000_override_options): Initialize rs6000_ieeequad.
2613 Initialize TFmode format to ibm_extended_format if not
2615 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2617 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2618 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2619 (function_arg_advance): IBM long double passed in two FPRs, not
2621 (function_arg): IBM long double passed in FPRs.
2622 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2623 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2624 Only multireg GPR aligned.
2625 (rs6000_init_libfuncs): Enable IBM long double functions if not
2627 (rs6000_generate_compare): Use IBM long double compare if not
2629 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2630 (TARGET_IEEEQUAD): Define.
2631 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2632 not TARGET_IEEEQUAD.
2633 * config/rs6000/rs6000.md: Enable TFmode patterns if
2635 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2636 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2637 and -mlong-double-128 are incompatible.
2638 * doc/invoke.texi (-mabi): Collect options together. Add
2639 ibmlongdouble and ieeelongdouble.
2641 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2643 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2645 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2646 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2647 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2648 * rtl.h (rtunion_def): Remove rt_ptr.
2650 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2651 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2652 * config/i386/winnt.c (i386_pe_mark_dllexport)
2653 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2655 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2657 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2659 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2663 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2664 pthread_key_delete. From John David Anglin. gthrw-ify
2665 pthread_getunique_np only if it it's not a macro. Delete
2667 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2668 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2669 __gthread_objc_condition_signal, __gthread_key_delete): Add
2670 "__attribute__ ((__unused__))" to unused arguments.
2671 (__gthread_recursive_mutex_init_function): Add missing return.
2672 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2673 gthr-posix95.h: Use macro-based approach for name redirection
2674 on targets missing weakref.
2676 2006-01-26 Zack Weinberg <zackw@panix.com>
2678 * genconditions.c (write_header): In generated code, #ifdef out
2679 all includes and fake declarations, except includes of bconfig.h
2680 and system.h, unless GCC_VERSION >= 3001. Do not include
2681 gensupport.h in any case.
2682 (write_conditions): Generate a definition of struct c_test. Add
2683 a comment to the generated #endif.
2684 (write_one_condition): Escape backslashes in string too.
2685 (write_writer): Generated code must escape backslashes and quote
2686 marks (but not newlines) in the strings it writes.
2687 * Makefile.in (build/gencondmd.o): Update dependencies.
2689 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2692 * Makefile.in (insn-automata.o): Add header file dependencies.
2693 * genautomata.c: Add includes.
2695 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2698 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2700 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2702 * configure.ac: Expect target tools paths to be passed from the toplevel
2703 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2705 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2707 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2710 * c.opt (Wpointer-sign): Init to -1.
2711 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2712 OPT_pedantic, to 0 otherwise.
2713 * doc/invoke.texi: Update.
2715 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2717 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2718 constants provided by 80387 instructions in the destination mode.
2720 2006-01-26 Richard Guenther <rguenther@suse.de>
2721 Andrew Pinski <pinskia@physics.uc.edu>
2724 partial PR tree-opt/17064
2725 * tree-ssa-structalias.c (intra_create_variable_infos):
2726 Create heap variables for incoming parameters if
2727 flag_argument_noalias > 1.
2728 (find_what_p_points_to): Look through default defs of
2731 2006-01-26 Jeff Law <law@redhat.com>
2734 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2735 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2736 within the VR_RANGE, use the VR_RANGE as the result, not the
2738 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2739 bounds for the type.
2741 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2743 * tree-ssa-alias.c (maybe_create_global_var): Change
2744 subvar walking to an assertion that we don't have subvar'd variables.
2746 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2749 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2750 Use a new variable, inner. PARM_DECLs are always non-weak.
2752 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2754 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2757 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2759 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2761 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2763 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2764 (smax_insn, smin_insn, smax_0, smin_0): New.
2766 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2769 * config/cris/cris.c (cris_order_for_addsi3): New function.
2770 * config/cris/cris-protos.h: Prototype it.
2771 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2772 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2773 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2774 (split for "op.S1 [rx=rx+i],ry (swapped)")
2775 (split for "op(s|u).S1 [rx=rx+i],ry")
2776 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2777 Apply cris_order_for_addsi3 when generating addsi3 insns.
2779 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2781 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2782 (TREE_BLOCK): Add call to EXPR_CHECK.
2784 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2787 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2788 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2789 (dump_omp_clauses): ... here.
2790 (dump_generic_node): Handle OMP_CLAUSE.
2791 * tree.c (omp_clause_num_ops): New.
2792 (omp_clause_code_name): New.
2793 (tree_code_size): Handle OMP_CLAUSE.
2794 (tree_size): Likewise.
2795 (make_node): Document handling of OMP_CLAUSE.
2796 (tree_node_structure): Handle OMP_CLAUSE.
2797 (omp_clause_check_failed): New.
2798 (omp_clause_range_check_failed): New.
2799 (omp_clause_operand_check_failed): New.
2800 (build_omp_clause): New.
2801 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2802 * tree.h (enum omp_clause_code): Declare.
2803 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2804 (OMP_CLAUSE_RANGE_CHECK): Define.
2805 (OMP_CLAUSE_ELT_CHECK): Define.
2806 (omp_clause_check_failed): Declare.
2807 (omp_clause_operand_check_failed): Declare.
2808 (omp_clause_range_check_failed): Declare.
2809 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2810 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2811 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2812 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2813 (OMP_CLAUSE_IF_EXPR): Likewise.
2814 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2815 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2816 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2817 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2818 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2819 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2820 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2821 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2822 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2823 (OMP_CLAUSE_CODE): Define.
2824 (OMP_CLAUSE_SET_CODE): Define.
2825 (OMP_CLAUSE_CODE): Define.
2826 (OMP_CLAUSE_OPERAND): Define.
2827 (struct tree_omp_clause): Declare.
2828 (union tree_node): Add field 'omp_clause'.
2829 * treestruct.def (TS_OMP_CLAUSE): Define.
2830 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2831 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2832 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2833 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2834 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2835 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2836 (OMP_CLAUSE): Define.
2837 * print-tree.c (print_node): Handle OMP_CLAUSE.
2838 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2839 * c-typeck.c: Likewise.
2840 * gimplify.c: Likewise.
2841 * c-omp.c: Likewise.
2842 * tree-nested.c: Likewise.
2843 * tree-inline.c: Likewise.
2844 * c-parser.c: Likewise.
2845 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2848 2006-01-25 Roger Sayle <roger@eyesopen.com>
2850 PR rtl-optimization/25703
2851 * combine.c (try_combine): Handle zero_extract and strict_low_part
2852 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2854 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2856 * global.c: Fix comment typos.
2858 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2861 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2862 Use output_addr_const instead of assemble_name.
2864 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2866 * Makefile.in (sched-vis.o): Update dependencies.
2867 * haifa-sched.c (sched_finish): Clear current_sched_info.
2868 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2869 (dump_flow_info): Call it.
2870 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2872 * basic-block.h (dump_bb_info): Declare.
2873 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2874 option, and apply options only for dump files whose TDF_RTL,
2875 TDF_TREE, or TDF_IPA bits match.
2876 * rtl.h: Declare new functions exported from sched-vis.c.
2877 * sched-vis.c: Enable also if scheduling is not used.
2878 (print_value): Print the mode of registers if not inside scheduling.
2879 (print_insn): Make it work outside the scheduler. Beautify the output
2881 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2883 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2885 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2886 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2887 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2888 depending on the value of CONSTANT_POOL_ADDRESS_P.
2889 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2891 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2892 rather than SYMBOL_REF_DECL.
2893 (rtx_constant_pool): Remove const_rtx_sym_htab.
2894 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2895 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2896 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2897 Remove handling of const_rtx_sym_htab.
2898 (find_pool_constant): Delete.
2899 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2900 rather than find_pool_constant.
2901 (get_pool_constant_for_function): Delete.
2902 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2904 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2905 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2906 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2907 (SYMBOL_REF_CONSTANT): New macro.
2908 (get_pool_constant_for_function): Delete.
2909 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2910 rather than SYMBOL_REF_DECL.
2911 (i386_pe_mark_dllimport): Likewise.
2912 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2913 rather than SYMBOL_REF_DECL.
2914 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2915 (machopic_indirect_call_target): Likewise.
2917 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2919 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2921 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2923 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2925 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2927 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2929 2006-01-24 David Daney <ddaney@avtrex.com>
2932 * configure.ac (enable_tls): New enable option.
2933 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2934 * configure: Regenerate.
2935 * doc/install.texi (--enable-tls): Document new option.
2936 (--disable-tls): Ditto.
2938 2006-01-24 Richard Henderson <rth@redehat.com>
2940 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2941 * alias.c (true_dependence): Respect it.
2942 (canon_true_dependence, write_dependence_p): Likewise.
2943 * builtins.c (get_builtin_sync_mem): Set it.
2945 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2947 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2950 2006-01-24 DJ Delorie <dj@redhat.com>
2952 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2953 for storing constants in single-bit bitfields.
2955 2006-01-25 Ben Elliston <bje@au.ibm.com>
2957 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2959 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2962 * tree-ssa-pre.c (phi_translate): Return NULL
2963 for AGGREGATE_TYPE's.
2965 2006-01-24 Zack Weinberg <zackw@panix.com>
2967 * genautomata.c (process_state_for_insn_equiv_partition):
2968 Use xcalloc for insn_arcs_array.
2969 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2970 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2972 2006-01-24 Richard Henderson <rth@redhat.com>
2974 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2977 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2979 PR rtl-optimization/25890
2980 PR rtl-optimization/25905
2981 * combine.c (expand_compound_operation, expand_field_assignment):
2982 Fail if the bitfield's final position is out of bounds.
2984 2006-01-24 Ian Lance Taylor <ian@airs.com>
2987 * cgraphunit.c (cgraph_output_in_order): Don't clear
2988 cgraph_asm_nodes until after asm strings have been output.
2990 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2992 * fix-header.c (read_scan_file): Add new parameter imultilib when
2993 calling register_include_chains.
2995 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2997 * omp-low.c: Update documentation.
2999 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3000 Daniel Berlin <dberlin@dberlin.org>
3004 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3005 return from the function.
3007 2006-01-22 Zack Weinberg <zackw@panix.com>
3009 * rtl.def (match_code): Add second argument.
3010 * genpreds.c (write_extract_subexp): New function.
3011 (write_match_code): Add path argument. Use write_extract_subexp.
3012 (write_predicate_expr): Pass path to write_match_code.
3013 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3014 not perform a mode test.
3015 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3016 a subexpression does not constrain the top-level code set.
3017 * read-rtl.c (read_rtx_variadic): New function.
3018 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3019 * doc/md.texi: Document new notation.
3020 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3021 (cmpsi_operand): ... here, using new notation.
3023 2006-01-22 Zack Weinberg <zackw@panix.com>
3025 * varray.c: Remove GENERATOR_FILE #ifdefs.
3027 2006-01-22 Zack Weinberg <zackw@panix.com>
3029 * genautomata.c (output_reserved_units_table): Emit nothing if
3030 description->query_units_num is zero. Remove extra blank line.
3031 (output_cpu_unit_reservation_p): Short circuit
3032 if description->query_units_num is zero.
3034 2006-01-22 Zack Weinberg <zackw@panix.com>
3036 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3037 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3038 nor any of the random handful of variables that used to be necessary
3039 when this program was linked with rtlanal.o. Prune set of forward
3040 function declarations.
3041 (struct attr_desc): Remove static_p field.
3042 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3043 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3044 (attr_string): Do not read the character one past the length of
3046 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3047 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3048 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3049 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3050 (make_automaton_attrs): New.
3051 (main): Do not call into genautomata. Call local gen_bypass
3052 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3053 Remove special case for insn_alts.
3054 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3055 varray.h (leftover from previous change). Prune set of forward
3056 function declarations. Remove state_alts fields from all
3057 structures. Remove state_alts_table from struct automaton.
3058 Make everything except main static. Do not maintain num_dfa_decls.
3059 Do not maintain state_alts fields of various structures.
3060 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3061 (add_arc): Remove state_alts argument. All callers updated.
3062 (output_reserved_units_table): Emit #ifdef here...
3063 (output_tables): ...not here. Don't generate state_alts tables.
3064 (expand_automata): Don't generate attributes.
3065 (write_automata): Don't generate state_alts functions.
3066 (main): New function.
3067 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3068 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3069 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3070 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3071 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3072 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3073 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3074 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3076 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3077 * genattrtab.h: Delete file.
3078 * Makefile.in (OBJS-common): Add insn-automata.o.
3079 (insn-automata.o): New rule.
3080 (simple_generated_c): Add insn-automata.c.
3081 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3082 (genprogmd): Add automata.
3083 (build/genattrtab): Needs no extra objects nor libraries.
3084 (build/genautomata): Needs build/vec.o and -lm.
3086 2006-01-22 Zack Weinberg <zackw@panix.com>
3088 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3089 (output_dfa_max_issue_rate, locked_states_num): Delete.
3090 (struct automaton): Add locked_states field.
3091 (output_dead_lock_vect): Save number of locked states in
3092 automaton->locked_states. If it is zero, don't print anything.
3093 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3094 (output_internal_dead_lock_func): Only test the dead_lock_vect
3095 for automata that have locked states.
3096 (output_statistics): Always print the number of locked states for
3097 each automaton. Calculate total number of locked states here.
3098 (write_automata): Don't call output_dfa_max_issue_rate.
3099 * genattrtab.c: Define length_unit_log as a const variable.
3100 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3101 max_insn_queue_index const.
3102 * final.c (length_unit_log): Declare const.
3103 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3105 2006-01-22 Zack Weinberg <zackw@panix.com>
3107 * genautomata.c: Include vec.h, not varray.h.
3108 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3109 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3110 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3111 VEC_* macros operating on appropriately typed vectors, or to
3112 malloced arrays when the size is known in advance. Const-ify
3113 many char* variables and function arguments. No functional changes.
3114 * Makefile.in (build/varray.o): Delete rule.
3115 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3116 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3118 2006-01-22 Zack Weinberg <zackw@panix.com>
3120 * gensupport.c: Define get_insn_name and record_insn_name here.
3121 (read_md_rtx): Call record_insn_name as appropriate.
3122 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3123 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3124 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3126 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3127 (BUILD_VARRAY): Delete.
3128 (genprognormal): Rename genprogmd. Fold in all programs from
3129 genprognoprint; also attrtab.
3130 (build/genattrtab): Just mention genautomata.o and varray.o.
3131 Reorganize a bit, add comments to make the categories clearer.
3133 2006-01-22 Zack Weinberg <zackw@panix.com>
3135 * genconditions.c (condition_table, add_condition): Delete.
3136 (write_conditions): Don't emit n_insn_conditions nor
3137 insn_elision_unavailable. Issue the gcc version #ifdef here,
3138 inside the table, with no #else clause ...
3139 (write_header): ...not here.
3140 (write_writer): New function.
3141 (main): Don't initialize condition_table. Use add_c_test.
3143 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3144 files on the command line.
3145 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3146 Return -1 if there is no entry in the table, don't abort.
3147 (add_c_test, traverse_c_tests): New functions.
3148 * gensupport.h (insn_elision_unavailable, insn_conditions)
3149 (n_insn_conditions): Delete declarations.
3150 (add_c_test, traverse_c_tests): Declare.
3151 * read-rtl.c: Include gensupport.h.
3152 (read_conditions): New function.
3153 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3154 (read_rtx_1): If we get EOF when we were looking for an initial
3155 open paren, return 0. Call read_conditions when appropriate.
3156 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3157 dummy-conditions.o. Eliminate references to insn-conditions.o,
3158 or change them to build/gencondmd.o, as appropriate. Remove
3159 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3160 from $(simple_generated_c). For all files remaining in those
3161 two lists, add insn-conditions.md to the generator command line.
3162 Give insn-constants.h/s-constants their own rules. Add rules
3163 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3164 (build/read-rtl.o): Depend on gensupport.h.
3165 (genprognormal): Include preds.
3166 (genprogearly): Rename genprognoprint; only difference is now that
3167 they don't link with $(BUILD_PRINT).
3168 * dummy-conditions.c: Delete.
3170 2006-01-22 Zack Weinberg <zackw@panix.com>
3172 * genextract.c: Don't include insn-config.h. Do include vec.h.
3173 Declare vectors of int, char, and locstr.
3174 (locstr): New typedef.
3175 (struct extraction): Make all array fields into bare pointers.
3176 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3177 (insn_code_number): Delete.
3178 (accum_extract): New struct.
3179 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3180 (gen_insn): Take insn_code_number as an argument. Use an
3181 accum_extract structure instead of loading data directly into
3182 a struct extraction, and having to know how big it might get.
3183 (walk_rtx): Operate entirely on an accum_extract structure.
3184 (print_path): Avoid unnecessary use of printf.
3185 (print_header): New function, split out of main. Distinguish
3186 more carefully between an unrecognizable insn and an insn that
3187 has the code number of a define_expand.
3188 (main): Pass insn_code_number to gen_insn. Call print_header
3189 only after parsing. Avoid unnecessary use of printf.
3190 * Makefile.in (build/vec.o): New rule.
3191 (build/genextract): Depend on build/vec.o.
3192 (build/genextract.o): Don't depend on insn-config.h.
3194 2006-01-22 Zack Weinberg <zackw@panix.com>
3196 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3197 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3198 practical. Eliminate per-generator-program link rules.
3200 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3203 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3204 with a call expr to ...
3205 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3207 2006-01-23 Richard Guenther <rguenther@suse.de>
3209 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3210 before make_edge with conditional EDGE_TRUE_VALUE.
3212 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3213 Jan Hubicka <jh@suse.cz>
3214 Richard Guenther <rguenther@suse.de>
3216 PR rtl-optimization/25654
3217 * cfgexpand.c (aggregate_contains_union_type): New function.
3218 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3219 for structure variables that contain a union type.
3221 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3223 * gengtype.c (new_structure): Return the structure.
3224 (create_option): Add an extra "next" argument.
3225 (create_field): New function.
3226 (adjust_field_rtx_def): Use create_option and create_field.
3227 Remove a now-unnecessary call to find_structure.
3228 (adjust_field_tree_def): Likewise.
3229 (note_yacc_type): Remove an unnecessary call to find_structure.
3230 * gengtype.h (new_structure): Return the structure.
3231 (create_option): Add an extra argument.
3232 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3233 (option): Adjust calls to create_option.
3235 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3237 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3239 2006-01-22 Paul Brook <paul@codesourcery.com>
3240 Peter Barada <peter@the-baradas.com>
3242 * config/m68k/m68k.md: Add Coldfire FPU support.
3243 Define FP mode macro and associated attributes.
3244 Use it for float mode patterns.
3245 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3246 (LIBCALL_VALUE): Use m68k_libcall_value.
3247 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3248 (m68k_function_value): Ditto.
3249 (emit_move_sequence): Ditto.
3250 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3251 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3252 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3253 (MULTILIB_EXCEPTIONS): Ditto.
3254 * config/m68k/m68k.opt: Add mcfv4e.
3255 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3256 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3257 (m68k_output_function_prologue): Save ColdFire FPU registers.
3258 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3259 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3260 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3261 ColdFire FPU registers.
3262 (m68k_libcall_value, m68k_function_value): New functions.
3263 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3264 (LIBCALL_VALUE): Use m68k_libcall_value.
3265 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3266 (MASK_COLDFIRE): Add MASK_CFV4E.
3267 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3268 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3269 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3270 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3271 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3272 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3273 * doc/invoke.tex: Document -mcfv4e on m68k.
3275 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3277 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3280 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3283 * c-opts.c (c_common_handle_option): Don't include
3284 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3285 * doc/invoke.texi (C++ Dialect Options): Document that
3286 -Wnon-virtual-dtor is no longer included in -Wall.
3288 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3290 * gcov.c (print_version), gcov-dump.c (print_version),
3291 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3294 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3296 * df-scan.c (problem_SCAN): Added NULL reset function.
3297 (df_scan_reset_blocks): Added code to call reset block function
3298 (df_bb_refs_delete) Fixed comment.
3299 (df_insn_refs_delete): Made tolerant of deleting non existent info
3300 for dataflow problems that need to be reset.
3301 * df-core.c (df_set_blocks): Ditto.
3302 * df.h (struct df_problem): Added reset_fun.
3303 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3304 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3305 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3306 functions to clear out all references to def-use or use-def chains.
3308 2006-01-21 Ben Elliston <bje@au.ibm.com>
3310 * varasm.c (assemble_real): Initialise data array.
3312 2006-01-20 Paul Brook <paul@codesourcery.com>
3314 Merge from csl-arm-branch.
3315 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3316 * config/arm/arm.md (movdi): Force operands[1] to a register
3317 if we have a non-register source.
3318 (*arm_movdi, *movdf_soft_insn): Require that one of the
3319 operands be a register.
3320 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3321 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3323 2006-01-20 DJ Delorie <dj@redhat.com>
3325 * varasm.c (initialize_constant_valid_p): Allow pointers
3326 initialized from integer constants of lesser precision.
3327 (output_constant): Allow non-int-sized pointer modes to be
3328 initialized from integer constants.
3330 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3333 * cppdefault.h (struct default_include): Add multilib flag.
3334 * cppdefault.c (cpp_include_defaults): Set it.
3335 * c.opt (-imultilib): New option.
3336 * c-opts.c (imultilib): New.
3337 (c_common_handle_option): Handle -imultilib.
3338 (c_common_post_options): Likewise.
3339 * c-incpath.c (add_standard_paths, register_include_chains):
3341 * c-incpath.h (register_include_chains): Add extra parameter.
3342 * gcc.c (do_spec_1): Generate -imultilib option.
3343 (The Specs Language): Update %I description.
3344 (process_command): Update copyright notice.
3345 * doc/cppopts.texi (-imultilib): Document.
3346 * doc/invoke.texi (-imultilib): Include in option summary.
3347 (%I): Update specs documentation.
3349 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3351 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3353 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3355 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3358 2006-01-20 Richard Guenther <rguenther@suse.de>
3359 Steven Bosscher <stevenb.gcc@gmail.com>
3361 PR rtl-optimization/24626
3362 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3363 EDGE_TRUE_VALUE if in RTL mode.
3366 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3367 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3369 2006-01-20 Dirk Mueller <dmueller@suse.com>
3372 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3373 instead of a special NOP marker.
3374 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3375 NOP marker handling.
3376 * c-common.h (empty_body_warning): Add forward declaration.
3377 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3378 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3380 2006-01-20 Paul Brook <paul@codesourcery.com>
3382 * Makefile.in (lang_checks): Keep going if mkdir fails.
3384 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3386 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3387 be able to clean out basic block when not necessary.
3388 (df_scan_free): Fixed to properly delete information if df is
3389 unused before calling df_finish.
3390 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3391 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3393 (df_bb_refs_delete): New function.
3394 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3395 * df-core.c (df_set_blocks): Added code to properly clean out
3396 unused blocks if they are not part of the blocks to consider.
3397 Added additional null check.
3398 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3399 be able to clean out basic block when not necessary
3400 * df.h (df_free_bb_function): Ditto.
3401 (df_bb_refs_delete): New function.
3402 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3403 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3404 basic block parameter to be able to clean out basic block when not
3406 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3407 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
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