1 2006-02-26 Zack Weinberg <zackw@panix.com>
3 * doc/md.texi (Machine Constraints): Refer to all files with paths
4 relative to gcc directory (i.e. config/CPU/file). Add missing
5 @table @code ... @end table to M32C subsection.
7 2006-02-26 Roger Sayle <roger@eyesopen.com>
9 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13 2006-02-26 Roger Sayle <roger@eyesopen.com>
14 James A. Morrison <phython@gcc.gnu.org>
17 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
18 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
19 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
20 signedness of the shift operation.
22 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
24 PR tree-optimization/26359
25 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
27 2006-02-25 Roger Sayle <roger@eyesopen.com>
29 * simplify-rtx.c (simplify_relational_operation_1): Simplify
30 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
31 as X == 0, and some symmetry related transformations.
32 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
34 2006-02-25 Roger Sayle <roger@eyesopen.com>
37 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
38 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
39 symmetry related transformations. Fold (X^C1) == C2 as
42 2006-02-25 Juergen Weigert <jw@suse.de>
43 Richard Guenther <rguenther@suse.de>
45 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
47 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
49 * combine.c (gen_lowpart_or_truncate): Call
50 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
52 2006-02-24 Diego Novillo <dnovillo@redhat.com>
54 * doc/invoke.texi: Move -fopenmp description to "Options for
56 Remove reference to -lgomp.
58 2006-02-24 David Edelsohn <edelsohn@gnu.org>
60 * doc/install.texi: Require GNU tar version 1.14.
62 2006-02-24 Geoffrey Keating <geoffk@apple.com>
64 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
65 * doc/invoke.texi (C++ Dialect Options): Document
66 -fno-use-cxa-get-exception-ptr.
67 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
68 * configure: Regenerate.
69 * c.opt (fuse-cxa-get-exception-ptr): New.
70 * c-opts.c (c_common_handle_option): Handle
71 OPT_fuse_cxa_get_exception_ptr.
72 * c-common.c (flag_use_cxa_atexit): Update documentation.
73 (flag_use_cxa_get_exception_ptr): New.
74 * c-common.h (flag_use_cxa_get_exception_ptr): New.
75 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
77 (C_COMMON_OVERRIDE_OPTIONS): New.
79 2006-02-24 Roger Sayle <roger@eyesopen.com>
82 * combine.c (try_combine): Explicitly check whether GET_CODE is
83 a SET or a CLOBBER, instead on checking that it isn't a USE.
85 2006-02-24 Roger Sayle <roger@eyesopen.com>
87 * fold-const.c (fold_comparison): New subroutine of fold_binary
88 containing transformations common to both the equality and
89 ordering relational operators, factored out of fold_binary.
90 (fold_binary): Separate out the equality operators (EQ_EXPR
91 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
92 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
93 transformations common to both.
94 (fold_div_compare): Fix latent bugs in the previously unreachable
95 LT_EXPR and GE_EXPR cases.
97 2006-02-24 David Edelsohn <edelsohn@gnu.org>
99 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
100 decl libname for clog to __clog on AIX.
102 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
104 2006-02-24 Alan Modra <amodra@bigpond.net.au>
107 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
108 output traceback table for thunks. Localise rs6000_stack_info call.
110 2006-02-23 Roger Sayle <roger@eyesopen.com>
111 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
113 * gthr-posix.h (__gthrw): Fix typo in comment.
115 2006-02-23 Geoffrey Keating <geoffk@apple.com>
117 * doc/cpp.texi (Character sets): Document that we do support
118 input files to be in any character set.
120 2006-02-23 Jeff Law <law@redhat.com>
122 * tree.h (PHI_ARG_NONZERO): Remove.
123 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
124 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
125 node to the new node.
127 PR tree-optimization/26425
128 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
129 min/max, then assume its varying.
131 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
133 PR rtl-optimization/26316
134 * rtlanal.c (enum may_trap_p_flags): New.
135 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
136 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
137 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
138 (may_trap_after_code_motion_p): New function.
139 * loop-invariant.c (find_identical_invariants): Fix dump formating.
140 (find_invariant_insn): Use may_trap_after_code_motion_p.
141 * rtl.h (may_trap_after_code_motion_p): Declare.
143 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
145 * emit-rtl.c (immed_double_const): Cleanup.
147 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
149 Fix PR tree-optimization/26376
150 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
153 2006-02-23 Jakub Jelinek <jakub@redhat.com>
156 * gimplify.c (omp_add_variable): Guard variable size decl test with
157 DECL_SIZE (decl) check.
159 2006-02-23 Richard Guenther <rguenther@suse.de>
162 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
163 like aggregate types.
165 2006-02-23 Jakub Jelinek <jakub@redhat.com>
167 * configure.ac: Add --with{,out}-long-double-128 configure option.
168 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
169 * configure: Rebuilt.
170 * config.in: Rebuilt.
171 * doc/install.texi (Options specification): Document
172 --with-long-double-128.
174 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
175 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
176 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
177 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
179 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
181 * config/s390/s390.c (override_options): Handle
182 TARGET_DEFAULT_LONG_DOUBLE_128.
184 * config/alpha/alpha.c (override_options): Handle
185 TARGET_DEFAULT_LONG_DOUBLE_128.
187 * config/sparc/sparc.c (sparc_override_options): Handle
188 TARGET_DEFAULT_LONG_DOUBLE_128.
190 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
192 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
193 (real-install-headers-tar, real-install-headers-cpio)
194 (real-install-headers-cp): New targets.
196 2006-02-22 Richard Sandiford <richard@codesourcery.com>
198 * tree.h (variable_section): Delete.
199 * varasm.c (variable_section): Delete.
201 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
203 * install.texi: Add notes on install.texi2html.
204 (Building in parallel): Do not use footnotes.
206 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
209 * doc/install.texi (Configuration): Document --disable-libgomp.
211 2006-02-21 Geoffrey Keating <geoffk@apple.com>
213 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
215 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
217 * config/i386/sse.md (vec_extractv2df_1_sse): New.
218 (vec_extractv2df_0_sse): New.
220 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
222 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
223 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
224 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
225 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
226 to the result of the expression.
228 (frame_pointer_cfa_offset): Rename to...
229 (frame_pointer_fb_offset): ... this. Adjust all uses.
230 (convert_cfa_to_loc_list): Rename to...
231 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
232 Pass it on to build_cfa_loc.
233 (compute_frame_pointer_to_cfa_displacement): Rename to...
234 (compute_frame_pointer_to_fb_displacement): ... this. New
235 offset parameter. Use it in computation.
236 (gen_subprogram_die): Compute cfa_fb_offset with the new
237 macro, and use it to compute the fb loc list and the
240 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
242 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
243 replaced with register_operand.
244 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
245 non-DREG is expensive.
246 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
247 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
250 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
252 * doc/install.texi2html: Use set -e.
254 2006-02-21 Richard Sandiford <richard@codesourcery.com>
256 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
257 (ASM_OUTPUT_SHARED_LOCAL): Delete.
258 * doc/invoke.texi (-fshared-data): Delete.
259 * common.opt (fshared-data): Delete.
260 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
261 (assemble_static_space): Remove #if 0 code.
262 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
263 (ASM_OUTPUT_SHARED_LOCAL): Poison.
264 * config/cris/cris.h: Remove FIXME.
266 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
268 * doc/sourcebuild.texi (Front End Directory): No more double-colon
271 2006-02-21 Jakub Jelinek <jakub@redhat.com>
274 * combine.c (simplify_shift_const_1): Disable nested shifts
275 optimization for vector shifts.
277 2006-02-20 Roger Sayle <roger@eyesopen.com>
279 PR tree-optimization/26361
280 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
281 of unsigned integer types.
283 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
285 * tree-chrec.c (eq_evolutions_p): New.
286 * tree-chrec.h (eq_evolutions_p): Declared.
287 * tree-data-ref.c: Fix formatting.
288 (datadep_stats, dependence_stats): New.
290 (print_direction_vector): New.
291 (dump_data_dependence_relation): Use print_direction_vector.
292 (object_analysis, create_data_ref): Handle COMPONENT_REF.
293 (compute_subscript_distance): Static.
294 (initialize_data_dependence_relation): Static. Get the number
295 of loops surrounding the references from the callers, and initialize
296 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
297 base_object_differ_p analyzers.
298 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
299 compute_overlap_steps_for_affine_1_2,
300 analyze_subscript_affine_affine): Count the classified dependences.
301 Print a message when a test failed.
302 (can_use_analyze_subscript_affine_affine): New.
303 (analyze_siv_subscript): Compute the data dependences on symbolic
304 scevs that verify can_use_analyze_subscript_affine_affine.
305 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
306 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
307 Handle symbolic scevs.
308 (analyze_overlapping_iterations): Let symbolic affine scevs to be
310 (subscript_dependence_tester): Moved...
311 (build_classic_dist_vector, build_classic_dir_vector): Don't use
312 lambda_vector_clear on newly allocated vectors. Get nb_loops from
313 DDR_SIZE_VECT instead of getting it in parameter.
314 (subscript_dependence_tester): ... here. Take as a parameter
315 loop_nest_depth. Call build_classic_dist_vector and
316 build_classic_dir_vector.
317 (compute_affine_dependence): Update subscript_dependence_tester
318 parameters. Update datadep_stats counters. Call
319 compute_subscript_distance.
320 (compute_self_dependence): Save the dist and dir vectors. Call
321 compute_subscript_distance.
322 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
323 (compute_all_dependences): Reorder parameters as they were before
324 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
325 compute_subscript_distance. Update the use of
326 compute_affine_dependence and initialize_data_dependence_relation.
327 (find_data_references_in_loop): Handle COMPONENT_REF.
328 (compute_data_dependences_for_loop): Initialize dependence_stats.
329 Don't call build_classic_dist_vector and build_classic_dir_vector.
330 Update the parameters of initialize_data_dependence_relation and
331 compute_all_dependences. Print the statistics from datadep_stats.
332 (analyze_all_data_dependences): Static. Not used until the pass for
333 checking the data dependences is contributed.
334 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
335 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
336 (initialize_data_dependence_relation, compute_affine_dependence,
337 analyze_all_data_dependences, compute_subscript_distance): Removed.
338 (print_direction_vector): New.
339 * lambda.h (gcd): ... here.
340 (lambda_vector_gcd): Moved here from gcd_vector.
341 * lambda-code.c (gcd, gcd_vector): Removed.
342 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
343 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
345 2006-02-20 Diego Novillo <dnovillo@redhat.com>
347 * ipa-type-escape.c: Tidy some comments and white space.
348 * tree-ssa-operands.c: Likewise.
350 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
353 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
354 (dump_decl_name): Do not walk the decl tree chains.
355 * tree-pass.h (TDF_CHAIN): Remove.
357 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
359 * Makefile.in (C): Remove
361 (.PHONY): Remove C and PROTO
363 2006-02-20 Roger Sayle <roger@eyesopen.com>
366 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
367 deprecated CHAR_TYPE tree code.
369 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
371 * configure.ac (target_list): Add install-info, dvi, html.
372 * configure: Regenerate.
374 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
375 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
376 treelang/Make-lang.in: Do not use double-colon rules.
378 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
380 * tree.h (struct tree_memory_tag): Add is_used_alone member.
381 (TMT_USED_ALONE): New macro.
382 * tree-pass.h (PROP_tmt_usage): New property.
383 (TODO_update_tmt_usage): New todo.
384 * tree-ssa-alias.c (updating_used_alone): New variable.
385 (recalculate_used_alone): New function.
386 (compute_may_aliases): Set updating_used_alone, call
387 recalculate_used_alone.
388 * tree-sra.c (pass_sra): Note that this pass destroys
389 PROP_tmt_usage, and add TODO_update_tmt_usage.
390 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
391 * tree-flow.h (updating_used_alone): Prototype.
392 (recalculate_used_alone): Ditto.
393 * passes.c (execute_todo): Add code to set updating_used_alone,
394 and call recalculate.
395 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
396 for clobber if used alone, and add assert to verify used_alone
399 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
401 * config/s390/s390.c (legitimize_pic_address): Assertions checking
402 for non tls symbols added.
403 (legitimize_address): Do nothing for PLUS expressions if one of the
404 addends is a tls symbol reference.
406 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
410 * Makefile.in (LDFLAGS): Define from autoconf substitution.
412 * Makefile.in (BOOTSTRAPPING): New.
413 (quickstrap): New definition if BOOTSTRAPPING=yes.
415 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
416 * configure.ac: Substitute all_selected_languages with the languages
417 that were configured. For all the other variables except
418 lang_specs_files, include all the languages in the tree.
419 * configure: Regenerate.
421 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
422 if there is one. Run the commands to run fixincludes in the same
425 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
426 * doc/install.texi: Document exact conventions for searching target tools.
427 Document --with-build-time-tools. Document toplevel bootstrap. Document
428 something more about building an Ada cross-compiler. Don't list GNU Make
429 requirements which affect all platforms.
431 2006-02-19 Roger Sayle <roger@eyesopen.com>
434 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
435 only equivalent if the have both the same mode and precision.
437 2006-02-20 Ben Elliston <bje@au.ibm.com>
439 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
441 2006-02-19 Roger Sayle <roger@eyesopen.com>
442 Steven Bosscher <stevenb.gcc@gmail.com>
444 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
445 constant pool references to identify stack mode constants.
446 * rtlanal.c (constant_pool_constant_p): New predicate to check
447 whether operand is a floating point constant in the pool.
448 * rtl.h (constant_pool_constant_p): Prototype here.
449 * loop.c (scan_loop): Avoid hoisting constants from the constant
450 pool on STACK_REGS targets.
451 (load_mems): Likewise.
452 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
453 loads into x87 registers expensive in terms of register pressure.
455 2006-02-19 Roger Sayle <roger@eyesopen.com>
457 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
458 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
460 2006-02-19 David Edelsohn <edelsohn@gnu.org>
462 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
463 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
465 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
467 * doc/invoke.texi: Document -fipa-pta.
468 * common.opt: Add ipa-pta option.
469 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
470 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
471 (do_ds_constraint): Ditto.
472 (get_constraint_for): Only add to referenced_vars if
473 referenced_vars exists.
474 (insert_into_field_list): Rewrite to do this unsorted.
475 (insert_into_field_list_sorted): Rename old insert_into_field_list
477 (create_function_info_for): Use insert_into_field_list_sorted.
478 (create_variable_info_for): Rewrite so it uses unsorted version,
479 since the field list is sorted.
480 (intra_create_variable_infos): Only add to referenced_vars if
481 referenced_vars exists.
482 (ipa_pta_execute): Init heapvars, and delete when done.
483 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
485 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
487 * doc/install.texi: Add missing `@samp'.
489 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
491 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
494 2006-02-18 Mark Wielaard <mark@klomp.org>
496 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
497 who added new 4.1 features, bug fixes and integration support.
499 2006-02-18 David Edelsohn <edelsohn@gnu.org>
502 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
505 2006-02-18 Richard Sandiford <richard@codesourcery.com>
507 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
508 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
509 (copy_insn_1): Likewise. Don't copy each field individually.
511 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
513 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
514 * rtl.c (rtx_size): Rename variable to...
515 (rtx_code_size): ...this.
516 (rtx_size): New function.
517 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
518 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
520 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
521 * rtl.h (rtx_code_size): New variable.
522 (rtx_size): Change from a variable to a function.
523 (RTX_SIZE): Rename to...
524 (RTX_CODE_SIZE): ...this.
527 PR tree-optimization/17106
528 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
529 (Anchored Addresses): New section.
530 * doc/invoke.texi (-fsection-anchors): Document.
531 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
532 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
533 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
534 * hooks.c (hook_bool_mode_rtx_false): New function.
535 * hooks.h (hook_bool_mode_rtx_false): Declare.
536 * gengtype.c (create_optional_field): New function.
537 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
538 SYMBOL_REF_IN_BLOCK_P is true.
539 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
540 (min_anchor_offset, max_anchor_offset): Likewise.
541 (use_anchors_for_symbol_p): New hook.
542 * toplev.c (compile_file): Call output_object_blocks.
543 (target_supports_section_anchors_p): New function.
544 (process_options): Check that -fsection-anchors is only used on
545 targets that support it and when -funit-at-a-time is in effect.
546 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
547 if the decl doesn't have one.
548 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
549 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
550 of force_const_mem through use_anchored_address.
551 (expand_expr_constant): New function.
552 (expand_expr_addr_expr_1): Call it. Use the same modifier when
553 calling expand_expr for INDIRECT_REF.
554 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
555 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
556 * expr.h (use_anchored_address): Declare.
557 * loop-unroll.c: Don't declare rtx vectors here.
558 * explow.c: Include output.h.
559 (validize_mem): Call use_anchored_address.
560 (use_anchored_address): New function.
561 * common.opt (-fsection-anchors): New switch.
562 * varasm.c (object_block_htab, anchor_labelno): New variables.
563 (hash_section, object_block_entry_eq, object_block_entry_hash)
564 (use_object_blocks_p, get_block_for_section, create_block_symbol)
565 (use_blocks_for_decl_p, change_symbol_section): New functions.
566 (get_variable_section): New function, split out from assemble_variable.
567 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
568 use_blocks_for_decl_p say so. Use change_symbol_section if the
569 symbol has already been created.
570 (assemble_variable_contents): New function, split out from...
571 (assemble_variable): ...here. Don't output any code for
572 block symbols; just pass them to place_block_symbol.
573 Use get_variable_section and assemble_variable_contents.
574 (get_constant_alignment, get_constant_section, get_constant_size): New
575 functions, split from output_constant_def_contents.
576 (build_constant_desc): Create a block symbol if use_object_blocks_p
577 says so. Or into SYMBOL_REF_FLAGS.
578 (assemble_constant_contents): New function, split from...
579 (output_constant_def_contents): ...here. Don't output any code
580 for block symbols; just pass them to place_section_symbol.
581 Use get_constant_section and get_constant_alignment.
582 (force_const_mem): Create a block symbol if use_object_blocks_p and
583 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
584 (output_constant_pool_1): Add an explicit alignment argument.
585 Don't switch sections here.
586 (output_constant_pool): Adjust call to output_constant_pool_1.
587 Switch sections here instead. Don't output anything for block symbols;
588 just pass them to place_block_symbol.
589 (init_varasm_once): Initialize object_block_htab.
590 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
591 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
592 (place_block_symbol, get_section_anchor, output_object_block)
593 (output_object_block_htab, output_object_blocks): New functions.
594 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
595 (TARGET_ASM_OUT): Include it.
596 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
597 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
598 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
599 (TARGET_INITIALIZER): Include them.
600 * rtl.c (rtl_check_failed_block_symbol): New function.
601 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
602 (block_symbol, object_block): New structures.
603 (rtx_def): Add a block_symbol field to the union.
604 (BLOCK_SYMBOL_CHECK): New macro.
605 (rtl_check_failed_block_symbol): Declare.
606 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
607 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
608 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
609 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
610 * output.h (output_section_symbols): Declare.
611 (object_block): Name structure.
612 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
613 (default_use_anchors_for_symbol_p): Declare.
614 * Makefile.in (RTL_BASE_H): Add vec.h.
615 (explow.o): Depend on output.h.
616 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
617 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
618 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
619 (rs6000_use_blocks_for_constant_p): New function.
621 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
623 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
625 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
628 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
631 2006-02-18 Diego Novillo <dnovillo@redhat.com>
633 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
637 2006-02-18 Jakub Jelinek <jakub@redhat.com>
640 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
641 instead of DECL_REGISTER.
643 2006-02-18 Olivier Hainque <hainque@adacore.com>
646 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
648 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
651 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
652 * opth-gen.awk: Handle Var and InverseMask together.
653 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
654 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
655 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
656 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
658 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
659 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
660 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
661 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
662 LINUX_DYNAMIC_LINKER): Define.
663 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
664 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
666 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
667 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
668 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
670 (TARGET_C99_FUNCTIONS): Don't define.
671 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
672 GLIBC_DYNAMIC_LINKER.
673 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
674 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
675 GLIBC_DYNAMIC_LINKER64): Define.
676 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
677 LINUX_DYNAMIC_LINKER64.
678 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
680 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
682 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
684 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
685 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
686 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
688 and LINUX_DYNAMIC_LINKER32.
689 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
691 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
693 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
695 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
696 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
697 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
698 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
699 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
700 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
701 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
702 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
703 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
704 LINUX_DYNAMIC_LINKER): Define.
705 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
706 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
707 GLIBC_DYNAMIC_LINKER64): Define.
708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
709 LINUX_DYNAMIC_LINKER64.
710 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
711 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
712 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
713 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
714 LINUX_DYNAMIC_LINKER): Define.
715 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
716 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
717 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
718 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
719 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
720 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
721 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
722 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
723 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
724 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
726 * doc/invoke.texi (-muclibc): Remove caveat about supported
729 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
731 * doc/cpp.texi (__TIMESTAMP__): Document.
733 2006-02-17 Roger Sayle <roger@eyesopen.com>
736 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
737 C is one less than the width of X (and related transformations).
738 * simplify_rtx.c (simplify_unary_operation_1): Transform
739 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
740 depending on STORE_FLAG_VALUE, were C is one less then the
743 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
745 Fix PR tree-optimization/26341
746 * tree-ssa-operands.c (add_virtual_operand): Remove assert
747 about NAME_MEMORY_TAG's.
749 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
752 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
753 with hardware float support, and software float support. Add fcpy
754 alternative to hardware patterns. Add alternatives to copy between
755 general and floating-point registers to the 32-bit pattern.
756 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
757 secondary reload to load a QI or HI mode constant into a floating
759 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
760 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
762 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
765 * config/rs6000/darwin.md (load_macho_picbase_si): Add
767 (load_macho_picbase_di): Likewise.
769 2006-02-16 Jeff Law <law@redhat.com>
771 * tree-vrp.c (set_value_range_to_nonnegative): New function.
772 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
773 (ssa_name_nonzero_p): Likewise.
774 (get_value_range): Return NULL if VRP is not running.
775 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
776 VRP routines do not discover a range.
777 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
778 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
779 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
780 (tree_expr_nonnegative_p): Similarly.
781 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
782 (restore_nonzero_vars_to_original_value): Remove.
783 (unsafe_associative_fp_binop): Remove.
784 (tree_ssa_dominator_optimize): Remove initialization and
785 finalization of nonzero_vars and nonzero_vars_stack.
786 (dom_opt_initialize_block): No longer push marker on
788 (dom_opt_finalize_block): No longer call
789 restore_nonzero_vars_to_original_value.
790 (record_equivalences_from_phis): No longer look for
791 nonzero PHI arguments.
792 (cprop_into_successor_phis): No longer propagate nonzero
793 property into PHI arguments. Lose unused argument. Caller
795 (record_equivalences_from_stmt): No longer record nonzero
796 values for SSA_NAMEs.
797 (lookup_avail_expr): No longer use nonzero_vars.
799 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
800 for sizetype when sizetype is unsigned.
802 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
804 PR rtl-optimization/25603
805 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
806 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
807 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
808 with new meaning of SETS.
810 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
815 * config/linux.opt: New file.
816 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
817 LINUX_DYNAMIC_LINKER): Define.
818 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
819 * config.gcc (*-*-linux*): Define extra_options.
820 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
821 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
822 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
823 GLIBC_DYNAMIC_LINKER.
824 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
825 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
826 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
828 * doc/invoke.texi (GNU/Linux Options): New section.
830 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
832 * config/sparc/sparc.md (setjmp): Rewrite.
834 (setjmp_64): Likewise.
836 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
838 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
841 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
843 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
846 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
848 PR rtl-optimization/26296
849 * Makefile.in (loop-invariant.c): Add except.h dependency.
850 * loop-invariant.c: Include except.h.
851 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
853 2005-02-16 Paul Brook <paul@codesourcery.com>
855 * reload1.c (emit_reload_insns): Invalidate dead input registers used
858 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
860 PR rtl-optimization/25636
861 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
862 when deciding whether an insn is an initializing insn.
864 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
866 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
867 (tree_code_size): Ditto.
868 * tree.h (struct tree_memory_tag): Remove parent_var.
869 (struct tree_struct_field_tag): New.
872 (union tree_node): Add sft member.
873 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
875 (create_sft): Add size and offset argument, set SFT_OFFSET and
877 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
878 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
879 * tree-flow-inline.h (get_subvar_at): Update for
881 (var_can_have_subvars): Ditto.
882 (overlap_subvar): Ditto.
883 * print-tree.c (print_node): Print out interesting things for
885 * tree-flow.h (struct subvar): Remove offset and size members.
886 * tree-ssa-operands.c (get_expr_operands): Update for
887 get_indirect_ref_operands changes.
888 (get_indirect_ref_operands): Call add_virtual_operand instead of
889 add_stmt_operand. Only recurse on base var if requested.
890 (access_can_touch_variable): New function.
891 (add_stmt_operand): Split virtual operand handling into ...
892 (add_virtual_operand): Here. Add offset, size, and for_clobber
893 arguments. Prune alias sets.
894 (add_call_clobber_ops): Call add_virtual_operand.
896 2006-02-15 Jakub Jelinek <jakub@redhat.com>
899 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
901 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
902 than TREE_CODE as index into omp_clause_num_ops array.
904 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
906 PR rtl-optimization/26184
907 * modulo-sched.c (generate_reg_moves): Free bitmap vector
909 * modulo-sched.c (sms_schedule): Free g_arr pointer.
910 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
911 must_precede, must_follow and tobe_scheduled.
914 * opts.c (common_handle_option): Free new_option pointer.
915 * df-core.c (df_analyze): Free postorder pointer.
917 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
919 * Makefile.in: Fix the examples about the use of stamps
921 2006-02-15 Michael Matz <matz@suse.de>
925 * stor-layout.c (layout_decl): Zero-width bitfields aren't
926 influenced by maximum_field_alignment or DECL_PACKED.
927 (update_alignment_for_field): Ditto.
928 (place_field): Ditto.
929 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
932 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
934 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
935 (debug_flow_info): Pass it.
936 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
937 * bb-reorder.c (reorder_basic_blocks): Likewise.
938 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
939 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
940 * flow.c (life_analysis, recompute_reg_usage): Likewise.
941 * gcse.c (gcse_main, bypass_jumps): Likewise.
942 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
943 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
944 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
945 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
946 * rtl.h (dump_flow_info): Adjust prototype.
947 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
948 * var-tracking.c (variable_tracking_main): Likewise.
949 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
950 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
953 2006-02-15 Marcin Dalecki <martin@dalecki.de>
955 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
958 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
960 PR tree-optimization/26209
961 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
962 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
964 * tree-cfg.c (replace_uses_by): Do not alter cfg.
966 2006-02-14 Roger Sayle <roger@eyesopen.com>
969 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
970 (X,Y) and the corresponding symmetry related transformations.
971 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
972 (X,Y) and its symmetry related transformations.
974 2006-02-14 Roger Sayle <roger@eyesopen.com>
976 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
979 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
981 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
983 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
986 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
987 support COMDAT group.
988 * configure: Regenerate.
990 2006-02-14 Roger Sayle <roger@eyesopen.com>
995 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
997 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
999 Fix PR tree-optimization/26260
1001 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1003 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1004 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1005 * tree-ssa-structalias.c (create_variable_info_for): Use
1006 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1008 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1010 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1012 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1013 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1014 of the ending condition.
1015 * tree-ssa-loop-manip.c: Include params.h.
1016 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1017 tree_unroll_loop): New functions.
1018 * tree-pass.h (pass_loop_prefetch): Declare.
1019 * loop.c (rest_of_handle_loop_optimize): Test for
1020 -fprefetch-loop-arrays-rtl.
1021 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1022 * timevar.def (TV_TREE_PREFETCH): New timevar.
1023 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1024 pass_loop_prefetch): New.
1025 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1026 (cleanup_tree_cfg_loop): Call scev_reset.
1027 * common.opt (fprefetch-loop-arrays-rtl): Add.
1028 * tree-ssa-loop-prefetch.c: New file.
1029 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1030 (new_temp_expr_table): Initialize expr_vars.
1031 (free_temp_expr_table): Cleanup expr_vars.
1032 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1033 expressions from being merged into one.
1034 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1035 (struct tree_niter_desc): Add control, bound and cmp fields.
1036 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1038 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1039 (tree-cfgcleanup.o): Add SCEV_H dependency.
1040 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1041 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1043 2006-02-14 Richard Guenther <rguenther@suse.de>
1045 PR tree-optimization/26258
1046 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1047 in PHI argument processing.
1049 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1051 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1052 new expression in the requested machine mode.
1054 2006-02-13 Roger Sayle <roger@eyesopen.com>
1056 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1057 directly, instead let do_compare_rtx_and_jump handle this for us.
1058 * expr.c (expand_expr_real_1): Likewise.
1059 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1060 before do_jump_by_parts_greater.
1061 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1062 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1064 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1066 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1068 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1070 PR rtl-optimization/26235
1071 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1072 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1075 2006-02-13 Jeff Law <law@redhat.com>
1077 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1080 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1083 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1084 twice if decl is a builtin. When trying again, call get_callee_fndecl
1085 first to verify it is still a builtin.
1087 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1089 * dwarf2out.c (base_type_die): Don't add AT_name here.
1090 (subrange_type_die): Don't add AT_name here.
1091 (modified_type_die): Rearrange code flow. Do add AT_name here.
1093 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1095 PR rtl-optimization/26247
1096 PR rtl-optimization/26248
1097 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1099 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1101 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1102 * config/fixtfdi.c: Likewise.
1103 * config/fixunstfdi.c: Likewise.
1104 * config/floatditf.c: Likewise.
1106 2006-02-13 Roger Sayle <roger@eyesopen.com>
1109 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1110 into (X,C2) if C1 is a subset of the bits of C2. Transform
1111 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1113 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1115 2006-02-13 Josh Conner <jconner@apple.com>
1118 * varasm.c (function_section): Check for section name before
1119 calling select_section on targets that define
1120 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1121 unlikely_text_section instead of hot_function_section if
1122 first_function_block_is_cold.
1124 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1127 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1129 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1131 PR rtl-optimization/26222
1132 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1133 after tree->rtl expansion.
1134 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1135 before passing it to emit_move_insn.
1137 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1139 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1141 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1142 Clarify documentation.
1143 * c-common.h (warn_write_strings): Remove.
1144 * c-common.c (warn_write_strings): Likewise.
1145 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1148 2006-02-12 Roger Sayle <roger@eyesopen.com>
1151 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1152 (do_jump_parts_zero_rtx): New function renamed from
1153 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1154 (do_jump_parts_equality_rtx): New function split out from
1155 do_jump_parts_equality. Old implementation renamed as above.
1156 Call do_jump_parts_zero_rtx if either operand is zero.
1157 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1158 do all of the heavy lifting.
1159 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1160 calling either do_jump_by_parts_greater_rtx or
1161 do_jump_by_parts_equality_rtx.
1162 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1163 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1164 moved to do_compare_rtx_and_jump, call it directly.
1165 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1166 mode argument. Call do_compare_rtx_and_jump.
1167 (emit_case_nodes): Update calls to do_jump_if_equal.
1169 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1171 PR rtl-optimization/26225
1172 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1174 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1176 PR rtl-optimization/26232
1177 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1179 2006-02-11 Jason Merrill <jason@redhat.com>
1182 * tree-inline.c (declare_return_variable): Just don't use the
1183 modify target if it's a gimple complex reg and the return slot
1186 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1188 * doc/contrib.texi: Update my entry.
1190 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1192 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1194 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1196 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1199 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1201 * doc/invoke.texi (-floop-optimize2): Removed.
1202 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1203 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1204 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1205 * common.opt (floop-optimize2): Removed.
1206 (fmove-loop-invariants): Enabled by default.
1208 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1210 * tree-if-conv.c (combine_blocks): Free the result of
1211 get_loop_exit_edges.
1213 2006-02-10 Jeff Law <law@redhat.com>
1215 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1217 PR tree-optimization/26213
1218 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1219 loop trying to follow SSA_NAME_VALUE chains.
1221 2006-02-10 Richard Guenther <rguenther@suse.de>
1223 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1224 deal with structures that end in implicitly variable sized arrays.
1226 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1228 PR rtl-optimization/24762
1229 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1232 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1234 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1235 (struct ivopts_data): Add regs_used field.
1236 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1237 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1238 instead of loop_data->regs_used;
1239 (free_loop_data): Do not free aux fields for loops.
1240 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1241 and tree_ssa_iv_optimize_finalize.
1243 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1245 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1247 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1250 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1251 computing the effective result type.
1253 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1256 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1257 (tree_overlaps_hard_reg_set): Declare.
1258 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1259 type and signature to match function type expected by walk_tree.
1260 (tree_overlaps_hard_reg_set): New function.
1261 (decl_conflicts_with_clobbers_p): Rename to:
1262 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1263 Use tree_overlaps_hard_reg_set. Changed caller.
1264 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1265 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1266 * cris.c (cris_md_asm_clobbers): Likewise.
1268 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1270 * reload1.c (emit_input_reload_insns): Delete code that tries to
1271 inherit using find_equiv_reg.
1273 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1275 * c-common.h (flag_const_strings): Don't declare.
1276 * c-common.c (flag_const_strings): Remove.
1277 * c.opt (fconst_strings): Remove.
1278 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1279 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1280 (c_common_init_options): Don't set flag_const_strings.
1281 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1283 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1285 * arm.md (tlobits_cbranch): New pattern.
1286 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1287 testing a single bit.
1289 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1292 * tree-ssa-pre.c (create_component_ref_by_pieces):
1293 Handle RETURN_DECL like VAR_DECL.
1295 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1298 * fold-const.c (fold_indirect_ref_1): Fold
1299 "*(foo *)&complexfoo" to "__real__ complexfoo"
1300 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1302 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1304 * tree-flow-inline.h (var_can_have_subvars):
1305 Volatile variables should not have subvariables.
1307 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1310 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1311 multiplying unsigned values.
1314 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1316 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1318 2006-02-08 Jason Merrill <jason@redhat.com>
1321 * tree.def: Elaborate on difference from MODIFY_EXPR.
1322 * doc/c-tree.texi (INIT_EXPR): Likewise.
1323 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1324 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1325 (gimplify_target_expr): Likewise.
1326 (gimplify_cond_expr): Remove target handling.
1327 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1328 (gimplify_expr): Clobber it here.
1329 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1330 Do return slot optimization if we have an INIT_EXPR.
1333 * tree-inline.c (declare_return_variable): Also clear
1334 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1337 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1340 * gimplify.c (gimplify_one_sizepos): Fix typo.
1342 2006-02-08 Jeff Law <law@redhat.com>
1344 PR tree-optimization/21417
1345 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1346 across a backedge if the control statement at the end of the
1347 block is data dependent on other statements in the same block.
1348 (record_temporary_equivalences_from_stmts): Remove over-conservative
1349 test for threading across backedges.
1351 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1352 control statement, handle all three special cases in the same
1353 manner as they all have the same desired solution. No longer
1354 special case edge flag updating when the post dominator is
1357 2006-02-08 Roger Sayle <roger@eyesopen.com>
1359 * tree.def (CHAR_TYPE): Remove.
1360 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1361 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1362 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1363 (gen_string_type_die): Delete unreachable function.
1365 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1366 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1367 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1368 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1369 * builtins.c (type_to_class): Likewise.
1370 * fold-const.c (fold_convert, build_range_check,
1371 merge_ranges): Likewise.
1372 * expr.c (count_type_elements): Likewise.
1373 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1374 * stor-layout.c (layout_type): Likewise.
1375 * ipa-type-escape.c (type_to_consider): Likewise.
1376 * gimplify.c (omp_firstprivatize_type_sizes,
1377 gimplify_type_sizes): Likewise.
1378 * explow.c (promote_mode): Likewise.
1379 * tree-sra.c (is_sra_scalar_type): Likewise.
1380 * varasm.c (output_constant): Likewise.
1381 * tree-inline.c (remap_type_1): Likewise.
1382 * convert.c (convert_to_pointer, convert_to_real,
1383 convert_to_integer, convert_to_complex): Likewise.
1385 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1387 * df-scan.c (df_def_record_1): A set destination may
1388 be a parallel regardless of mode.
1390 2006-02-08 Roger Sayle <roger@eyesopen.com>
1393 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1394 * config/mips/_tilib.c: Remove.
1395 * config/fixtfdi.c: New libgcc source file.
1396 * config/fixunstfdi.c: New source file.
1397 * config/floatditf.c: New source file.
1398 * config/floatunditf.c: New souce file.
1399 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1400 files above instead of config/mips/_tilib.c.
1401 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1403 2006-02-08 Jeff Law <law@redhat.com>
1405 PR tree-optimization/26169
1406 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1409 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1411 * df.h (DF_REG_SIZE): Return the length of the initialized
1414 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1416 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1417 __muldf3): Return a correctly signed zero.
1419 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1421 * passes.c (register_one_dump_file): Accept the current properties
1422 instead of pass number. Adjust call to dump_register. Remove
1424 (register_dump_files): Now a wrapper around...
1425 (register_dump_files_1): ... this one. Do not modify the pass
1427 (next_pass_1): Cosmetic fix.
1428 (execute_todo): Keep second parameter only. Use curr_properties
1429 instead of fetching it from the pass structure. Check and set
1431 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1432 instead of fetching it from the pass structure. Fix calls to
1433 execute_todo. Update curr_properties and initialize .vcg RTL dump
1434 after running the pass. Reset last_verified.
1435 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1437 (FIRST_AUTO_NUMBERED_DUMP): New.
1438 (dump_register): Remove "num" parameter, assign it within the
1440 (get_dump_file_name): Modify template for dumps.
1441 * tree-dump.h (dump_register): Adjust prototype.
1442 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1443 (PROP_trees): Add PROP_gimple_lomp.
1444 (TODO_set_props): New.
1445 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1446 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1447 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1449 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1451 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1452 (sparc64-*-linux*): Likewise.
1453 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1454 * config/sparc/t-linux: New file.
1455 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1456 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1457 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1458 -m32 -mlong-double-128.
1460 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1461 * config/alpha/t-linux: New file.
1462 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1464 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1465 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1466 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1467 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1468 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1469 (CPP_ARCH32_SPEC): Remove.
1471 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1473 PR tree-optimization/26145
1474 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1477 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1480 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1481 >= 240000 when generating code for SOM runtime.
1482 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1483 to $$dyncall when generating code for SOM runtime..
1485 2006-02-07 Dirk Mueller <dmueller@suse.com>
1488 * doc/invoke.texi (-Wsequence-point): Update documentation
1489 that -Wsequence-point is implemented for C++ as well.
1491 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1493 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1494 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1495 (LIB_SPEC): Likewise.
1496 * doc/invoke.texi (SPARC options): Document -pthread.
1498 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1500 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1503 2006-02-07 Roger Sayle <roger@eyesopen.com>
1505 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1506 Correct comment describing BOOLEAN_TYPE.
1508 2006-02-07 Dirk Mueller <dmueller@suse.com>
1510 * c.opt: C++ frontend supports -Wdiv-by-zero.
1511 * c-opts.c (c_common_handle_option): Remove dead case.
1513 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1515 * configure.ac (TLS assembler check): Do not enable TLS by
1516 default on SPARC/Solaris before version 10.
1517 * configure: Regenerate.
1519 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1521 * doc/invoke.texi (xl-compat): Document conversion and support
1524 2006-02-07 Jeff Law <law@redhat.com>
1526 * tree-vrp.c (find_conditional_asserts): Update comments.
1527 (simplify_stmt_for_jump_threading): New.
1528 (identify_jump_threads, finalize_jump_threads): New.
1529 (vrp_finalize): Call identify_jump_threads.
1530 (execute_vrp): Call finalize_jump_threads.
1531 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1532 (vrp_element, vrp_data, vrp_element_p): Remove.
1533 (vrp_hash_elt, vrp_variables_stack): Remove.
1534 (vrp_hash, vrp_eq, record_range): Remove.
1535 (simplify_cond_and_lookup_avail_expr): Remove.
1536 (extract_range_from_cond): Remove.
1537 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1538 (simplify_stmt_for_jump_threading): New.
1539 (dom_thread_across_edge): New wrapper.
1540 (tree_ssa_dominator_optimize): No longer initialize or
1541 finalize any of the VRP datastructures. Remove iteration
1542 step and simplify as a result of removal of iteration step.
1543 (pass_dominator): Perform a cfg cleanup after DOM.
1544 (dom_opt_finalize_block): Use the new common routines
1545 for threading jumps. Simplify stack management slightly.
1546 No longer need to unwind VRP state.
1547 (record_equivalences_from_incoming_edge): No longer record
1549 (eliminate_redundant_computations): No longer call
1550 simplify_cond_and_lookup_avail_expr.
1551 * tree-flow.h (potentially_threadable_block): Prototype.
1552 (thread_across_edge): Likewise.
1553 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1554 (tree-ssa-threadedge.o): Add dependencies.
1555 * tree-ssa-threadedge.c: New file.
1556 * passes.c (init_optimization_passes): Merge PHIs before
1557 calling VRP. Run VRP again late in the SSA optimization pipeline.
1559 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1561 * df-core.c (df_set_blocks): Do not dereference function pointers.
1562 (df_finish1): Likewise.
1563 (df_hybrid_search_forward): Likewise.
1564 (df_hybrid_search_backward): Likewise.
1565 (df_iterative_dataflow): Likewise.
1566 (df_analyze_problem): Likewise.
1567 (df_compact_blocks): Likewise.
1568 (df_dump): Likewise.
1569 * df-scan.c (df_rescan_blocks): Likewise.
1570 (df_record_entry_block_defs): Likewise.
1572 * genconditions.c (write_conditions): Guard the definition of
1573 'insn_conditions' with the check on GCC version.
1574 (write_writer): Guard the traversal 'insn_conditions' with
1575 the check on GCC version.
1577 2006-02-07 Richard Guenther <rguenther@suse.de>
1581 2006-01-30 Richard Guenther <rguenther@suse.de>
1583 * gimplify.c (gimplify_target_expr): Handle easy cases
1584 without creating a temporary.
1586 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1588 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1589 use of float in probability computations. Use edge probabilities
1590 in place of statically computed probabilities.
1591 (min_spec_prob): New static variable.
1592 (schedule_insns): Initialize it.
1593 (GET_SRC_PROB): Removed.
1594 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1596 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1599 * config/ia64/unwind-ia64.c: Revert last change.
1600 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1601 (INCOMING_FRAME_SP_OFFSET): Define.
1603 2006-02-06 Roger Sayle <roger@eyesopen.com>
1605 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1607 2006-02-07 Ben Elliston <bje@au.ibm.com>
1609 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1610 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1611 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1612 (ix86_return_in_memory): Handle TDmode.
1613 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1614 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1616 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1618 * reorg.c (dbr_schedule): Use dump_file instead of file.
1620 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1623 * config/ia64/predicates.md (extr_len_operand): New predicate.
1624 * config/ia64/ia64.md (extv): Tighten constraints.
1626 (*tbit_and_2): Ditto.
1627 (*tbit_and_3): Ditto.
1628 (*tbit_or_2): Ditto.
1629 (*tbit_or_3): Ditto.
1633 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1636 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1638 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1640 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1641 loop_optimizer_init and loop_optimizer_finalize
1642 * tree-ssa-sink.c (execute_sink_code): Ditto.
1643 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1644 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1645 tree_ssa_loop_done): Ditto.
1646 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1647 * sched-ebb.c: Include output.h.
1648 (schedule_ebbs): Do not use dump argument.
1649 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1650 * loop.c (loop_dump_stream): Removed.
1651 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1653 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1654 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1655 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1656 loop_iterations, strength_reduce, record_biv, record_giv,
1657 final_giv_value, check_final_value, check_ext_dependent_givs,
1658 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1659 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1660 dump_file instead of loop_dump_stream.
1661 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1663 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1665 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1666 * haifa-sched.c: Include output.h
1667 (schedule_insns, sched_init): Do not use dump argument.
1668 * mode-switching.c (optimize_mode_switching): Ditto.
1669 * modulo-sched.c (stats_file): Removed.
1670 (print_node_sched_params): Do not call argument dump_file.
1671 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1672 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1674 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1676 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1677 rtl_loop_init, rtl_loop_done): Ditto.
1678 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1679 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1681 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1682 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1683 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1684 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1685 * emit-rtl.c (renumber_insns): Ditto.
1686 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1687 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1688 * regclass.c (regclass): Ditto.
1689 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1690 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1691 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1692 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1694 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1695 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1697 * gcse.c (gcse_file, debug_stderr): Removed.
1698 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1699 rest_of_handle_gcse): Do not use dump argument.
1700 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1701 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1702 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1703 compute_code_hoist_vbeinout, compute_code_hoist_data,
1704 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1705 compute_store_table, build_store_vectors, insert_insn_start_bb,
1706 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1707 store_motion): Use dump_file instead of gcse_file.
1708 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1709 * profile.c (profile_dump_file): Removed.
1710 (branch_prob): Use dump_file instead of profile_dump_file.
1711 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1713 * tree-ssa-copy.c (dump_copy_of): Ditto.
1714 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1715 dump file to life_analysis.
1716 * bt-load.c (branch_target_load_optimize): Ditto.
1717 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1719 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1720 regclass, dbr_schedule): Declaration changed.
1721 * sched-int.h (sched_init): Declaration changed.
1722 * tree-profile.c (tree_profile_dump_file): Removed.
1723 (tree_profile_hooks): Removed profile_dump_file hook.
1724 * rtl-profile (rtl_profile_dump_file): Removed.
1725 (rtl_profile_hooks): emoved profile_dump_file hook.
1726 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1728 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1729 * tree-cfg.c (build_tree_cfg): Ditto.
1730 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1731 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1732 Declaration changed.
1733 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1734 life_analysis and schedule_insns.
1735 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1737 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1739 * config/mips/mips.c (mips_reorg): Ditto.
1740 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1743 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1745 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1746 (s390_mangle_fundamental_type): New.
1747 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1750 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1751 (alpha_mangle_fundamental_type): New.
1752 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1755 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1757 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1759 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1760 (sparc_mangle_fundamental_type): New.
1762 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1764 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1765 (s390x-*-linux*): Likewise.
1766 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1767 * config/s390/t-linux: New file.
1769 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1771 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1772 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1774 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1776 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1777 (ANTIC_SAFE_LOADS): New macro.
1778 (find_or_generate_expression): Add prototype.
1779 (set_contains_value): Allow null set for sake of not always having
1780 to allocate ANTIC_SAFE_LOADS.
1781 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1782 Allow COMPONENT_REF too.
1783 (valid_in_set): Allow COMPONENT_REF.
1784 Check ANTIC_SAFE_LOADS too.
1785 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1786 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1788 (can_PRE_operation): Add COMPONENT_REF.
1789 (create_component_ref_by_pieces): New function.
1790 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1791 (insert_aux): Move AGGREGATE_TYPE_P check here.
1792 (compute_avail): Set bb local stmt uids.
1793 (pass_pre): Use TODO_update_ssa_only_virtuals.
1795 2006-02-06 Ben Elliston <bje@au.ibm.com>
1797 * configure.ac: Unconditionally disable decimal float by default.
1798 * configure: Regenerate.
1800 2006-02-06 Ben Elliston <bje@au.ibm.com>
1802 * read-rtl.c (read_name): Terminate reading on EOF.
1804 2006-02-06 Ben Elliston <bje@au.ibm.com>
1806 * dfp.c (decimal_real_arithmetic): Change second argument type
1807 from int to enum tree_code. Do not always return true, but now
1808 return result of any call to decimal_do helper functions.
1809 * dfp.h (decimal_real_arithmetic): Update prototype.
1811 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1813 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1815 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1818 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1821 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1823 * tree-vrp.c (cfg_loops): Removed.
1824 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1825 Use current_loops instead of cfg_loops. Pass flags to
1826 loop_optimizer_init.
1827 * cfgloopmanip.c (fix_loop_structure): Update only available
1829 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1830 loop_optimizer_init.
1831 * modulo-sched.c (build_loops_structure): Removed.
1832 (sms_schedule): Use loop_optimizer_init.
1833 * loop-init.c (loop_optimizer_init): Use flags to determine
1834 which properties of loops to prepare.
1835 (rtl_loop_init): Pass flags to loop_optimizer_init.
1836 * tree-ssa-sink.c (execute_sink_code): Ditto.
1837 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1838 * tree-ssa-pre.c (init_pre): Ditto.
1839 * cfgloop.h (LOOPS_NORMAL): New.
1840 (loop_optimizer_init): Declaration changed.
1842 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1844 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1845 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1847 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1849 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1851 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1852 * pa/t-pa64: Delete quadlib.c rule.
1853 * pa/x-ada: Revert last change.
1854 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1856 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1858 PR rtl-optimization/26087
1859 * rtlanal.c (canonicalize_condition): Do not cross basic block
1862 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1865 * config/ia64/ia64.c: Include debug.h.
1866 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1867 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1868 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1869 (process_epilogue, process_set, process_for_unwind_directive):
1870 Output unwind info only if requested. Add CFA info if requested.
1871 Add new arguments as needed. Adjust callers.
1872 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1874 (DWARF2_FRAME_INFO): Define to zero.
1875 * config/ia64/unwind-ia64.c: Remove code that compensated for
1876 the CFA offset error fixed above.
1877 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1878 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1879 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1880 -funwind-tables and -fexceptions to enable frame info.
1881 (dwarf2out_frame_init): Define initial CFA even if
1882 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1883 DWARF2_UNWIND_INFO is nonzero, not just defined.
1884 (dwarf2out_frame_finish): Output non-EH call frame info only
1885 if DWARF2_FRAME_INFO is nonzero.
1886 (convert_cfa_to_loc_list,
1887 compute_frame_pointer_to_cfa_displacement): Define even if
1888 unwind info is not supported.
1889 (gen_subprogram_die): Use the above unconditionally. Remove
1890 legacy alternate code.
1891 * toplev.c (compile_file): Compile in call to
1892 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1893 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1895 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1896 Jakub Jelinek <jakub@redhat.com>
1898 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1899 IBM extended float format long double as "g" on powerpc*-linux.
1901 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1904 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1905 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1907 2006-02-03 Jason Merrill <jason@redhat.com>
1910 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1913 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1914 on the return slot if it's an NRV.
1916 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1918 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1919 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1920 rewrite_use): Do not handle USE_OUTER.
1921 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1922 add_iv_outer_candidates, may_replace_final_value,
1923 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1924 (find_interesting_uses_op): Functionality of
1925 find_interesting_uses_outer_or_nonlin moved here.
1926 (find_interesting_uses_outside): Use find_interesting_uses_op.
1928 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1931 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1933 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1934 Ulrich Weigand <uweigand@de.ibm.com>
1937 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1938 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1939 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1940 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1942 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1943 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1944 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1945 Define secondary reloads for TFmode moves.
1946 (constant_modes): Add TFmode.
1947 (NR_C_MODES): Set to 8.
1948 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1950 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1951 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1952 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1953 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1954 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1955 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1956 (FPR mode macro): Add TFmode.
1957 (DSF mode macro): New.
1958 (<de>, <dee> mode attributes): Removed.
1959 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1960 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1961 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1962 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1963 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1964 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1965 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1966 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1967 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1968 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1969 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1970 "*negabs<mode>2", "sqrt<mode>2"):
1971 Changed <de> to <xde>. R constraint replaced by <Rf>.
1972 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1974 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1975 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1976 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1978 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1979 "extenddftf2", "extendsftf2"): New expanders.
1980 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1981 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1982 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1983 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1985 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1986 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1987 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1988 __floatditf): Add a GCC_4.1.0 symbol version tag.
1989 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1992 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1995 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1996 Use targetm.binds_local_p instead of TREE_PUBLIC.
1998 2006-02-02 Roger Sayle <roger@eyesopen.com>
2000 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2001 on INTEGER_TYPEs to indicate that it denotes a character type.
2002 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2003 signed_char_type_node, unsigned_char_type_node and char_type_node.
2004 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2005 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2006 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2008 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2009 Daniel Berlin <dberlin@dberlin.org>
2011 * tree-tailcall.c (arg_needs_copy_p): New function.
2012 (eliminate_tail_call): Use arg_needs_copy_p.
2013 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2014 (add_virtual_phis): New function.
2016 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2018 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2019 #ignore instead of #scratch for %g7 .register directive.
2021 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2023 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2026 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2028 * flow.c (calculate_global_regs_live): Assert that there aren't any
2031 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2033 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2035 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2036 bsi_after_labels iterator.
2037 * tree-if-conv.c (find_phi_replacement_condition,
2038 replace_phi_with_cond_modify_expr): Likewise.
2039 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2040 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2042 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2044 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2046 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2049 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2050 array after growing it.
2052 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2055 * fold-const.c (fold_checksum_tree): Change type of buf.
2057 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2059 * reload.c (push_secondary_reload): Initialize t_icode.
2061 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2063 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2064 -msoft-float -mlong-double-128 only issue a warning, but don't
2065 swich to DFmode long double.
2067 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2069 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2070 has a constant equivalent, iterate over equivalents for arg0,
2071 calling simplify_relational_operation and if there's a result
2072 cheaper than X, apply fold_rtx and return the result.
2074 2006-02-01 Jan Hubicka <jh@suse.cz>
2076 * opts.c (no_unit_at_a_time_default): New global variable.
2077 (decode_options): Use it.
2078 * opts.h (no_unit_at_a_time_default): Declare.
2080 2006-02-01 Paul Brook <paul@codesourcery.com>
2082 * function.c (assign_parm_setup_reg): Use function argument promotion
2084 * expr.c (expand_expr_real_1): Use function argument promotion rules
2087 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2089 * gcc.c (process_command): Change j to 'unsigned int'.
2091 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2094 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2095 Use the corrected index for the character
2096 out of the string constant.
2098 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2100 * mode-switching.c (optimize_mode_switching): Fix size
2101 allocated for bb_info[n_entities].
2103 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2105 * gcc.c (main): Correct type that is allocated for
2106 explicit_link_files.
2108 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2110 * config/s390/s390.c (init_alignment_context): Set
2111 ALIAS_SET_MEMORY_BARRIER on the MEM.
2112 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2114 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2117 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2119 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2122 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2124 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2125 * regrename.c: Ditto.
2126 * tree-ssa-loop-im.c: Ditto.
2127 * tree-dump.c: Ditto.
2128 * tree-complex.c: Ditto.
2129 * genrecog.c: Ditto.
2130 * tree-ssa-threadupdate.c: Ditto.
2132 * java/class.c: Ditto.
2133 * java/jcf-parse.c: Ditto.
2134 * java/resource.c: Ditto.
2135 * java/except.c: Ditto.
2136 * java/jvspec.c: Ditto.
2137 * java/jcf-write.c: Ditto.
2138 * java/jcf-path.c: Ditto.
2139 * java/gjavah.c: Ditto.
2140 * java/zextract.c: Ditto.
2141 * java/jcf-io.c: Ditto.
2142 * java/jcf.h: Ditto.
2143 * java/buffer.c: Ditto.
2144 * java/lang.c: Ditto.
2145 * java/parse-scan.y: Ditto.
2146 * java/lex.c: Ditto.
2147 * java/lex.h: Ditto.
2148 * cfgloopmanip.c: Ditto.
2149 * postreload-gcse.c: Ditto.
2150 * tree-ssa-loop-manip.c: Ditto.
2151 * postreload.c: Ditto.
2152 * tree-ssa-loop-ch.c: Ditto.
2156 * diagnostic.c: Ditto.
2158 * genoutput.c: Ditto.
2160 * cfghooks.c: Ditto.
2161 * cfgloopanal.c: Ditto.
2162 * objc/objc-act.c: Ditto.
2164 * genextract.c: Ditto.
2165 * genautomata.c: Ditto.
2166 * pretty-print.c: Ditto.
2168 * cgraphunit.c: Ditto.
2171 * haifa-sched.c: Ditto.
2172 * dominance.c: Ditto.
2174 * tree-ssa-loop-ivopts.c: Ditto.
2176 * mode-switching.c: Ditto.
2177 * modulo-sched.c: Ditto.
2179 * ipa-pure-const.c: Ditto.
2181 * fix-header.c: Ditto.
2183 * tree-stdarg.c: Ditto.
2184 * ipa-utils.c: Ditto.
2185 * loop-init.c: Ditto.
2186 * ipa-inline.c: Ditto.
2189 * alloc-pool.c: Ditto.
2190 * dwarf2out.c: Ditto.
2192 * genattrtab.c: Ditto.
2193 * tree-ssa-loop-ivcanon.c: Ditto.
2197 * fortran/gfortranspec.c: Ditto.
2199 * local-alloc.c: Ditto.
2200 * langhooks.c: Ditto.
2201 * function.c: Ditto.
2202 * tree-vectorizer.c: Ditto.
2204 * ipa-type-escape.c: Ditto.
2206 * tree-if-conv.c: Ditto.
2209 * tree-data-ref.c: Ditto.
2210 * loop-unroll.c: Ditto.
2211 * treelang/treetree.c: Ditto.
2214 * ggc-common.c: Ditto.
2216 * coverage.c: Ditto.
2218 * tree-cfgcleanup.c: Ditto.
2219 * tree-ssa-pre.c: Ditto.
2220 * cfgcleanup.c: Ditto.
2221 * loop-invariant.c: Ditto.
2223 * ipa-prop.c: Ditto.
2224 * print-tree.c: Ditto.
2225 * conflict.c: Ditto.
2226 * ggc-page.c: Ditto.
2227 * sched-deps.c: Ditto.
2228 * regclass.c: Ditto.
2229 * tree-object-size.c: Ditto.
2231 * bb-reorder.c: Ditto.
2232 * resource.c: Ditto.
2233 * var-tracking.c: Ditto.
2235 * df-problems.c: Ditto.
2236 * reg-stack.c: Ditto.
2239 * sched-rgn.c: Ditto.
2240 * tree-ssa-structalias.c: Ditto.
2241 * tree-ssa-reassoc.c: Ditto.
2242 * config/darwin-c.c: Ditto.
2243 * config/darwin.c: Ditto.
2244 * config/arm/arm.c: Ditto.
2246 * collect2.c: Ditto.
2249 2006-01-31 Nicolas Pitre <nico@cam.org>
2251 * arm.md (smaxsi3): Make aware of smax_m1.
2254 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2256 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2258 2006-01-31 Richard Guenther <rguenther@suse.de>
2260 * doc/invoke.texi (-msselibm): Document.
2261 * target.h (expand_library_builtin): New target hook.
2262 * builtins.c (expand_builtin): Use expand_library_builtin.
2263 (default_expand_library_builtin): New function.
2264 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2265 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2266 (link_gcc_math_spec): Declare.
2267 (static_specs): Add link_gcc_math_spec.
2268 * expr.h (default_expand_library_builtin): Declare.
2269 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2270 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2271 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2272 * config/i386/i386.opt (msselibm): New target option.
2273 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2274 (ix86_init_sse_abi_builtins): New function.
2275 (ix86_expand_library_builtin): Likewise.
2276 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2277 (override_options): Handle error conditions wrt -msselibm.
2278 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2279 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2280 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2283 2006-01-31 Richard Guenther <rguenther@suse.de>
2284 Paolo Bonzini <bonzini@gnu.org>
2286 * doc/install.texi (--disable-libgcc-math): Document.
2288 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2290 * expr.h (expand_normal): new inline function.
2291 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2293 * dwarf2out.c: use it.
2298 * config/sparc/sparc.c: use it.
2299 * config/i386/i386.c: use it.
2300 * config/rs6000/rs6000.c: use it.
2301 * config/arm/arm.c: use it.
2302 * config/mips/mips.c: use it.
2303 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2305 2006-01-30 Roger Sayle <roger@eyesopen.com>
2307 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2308 argv to the appropriate type.
2310 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2312 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2315 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2318 * config/s390/s390.c (struct machine_function): New flag
2319 decomposed_literal_pool_addresses_ok_p.
2320 (s390_reorg): Set it before final stage of literal pool transforms.
2321 (s390_decompose_address): Only accept displacements of the form
2322 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2324 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2326 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2327 the comparison routine return.
2329 2006-01-30 Michael Matz <matz@suse.de>
2331 * global.c (find_reg): Only evict for global regs.
2332 Take n_refs into account and dump more info.
2334 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2337 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2338 (pragma_trap, pragma_nosave_low_regs): Likewise.
2339 (current_function_anonymous_args): Likewise.
2340 (sh_deferred_function_attributes): New variable.
2341 (sh_deferred_function_attributes_tail): Likewise.
2342 (print_operand): For '@', look up trap_exit attribute.
2343 (calc_live_regs): Look up trapa_handler attribute. For trapa
2344 handlers, save/restore fpscr, but don't do any other
2345 interrupt-specific saves.
2346 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2347 Fix check for partially saved registers to check for SHmedia.
2348 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2349 (sh_output_function_epilogue): Don't clear any of the removed
2351 (sh_insert_attributes): Don't check pragma_interrupt.
2352 Insert deferred attributes. Check that interrupt attribute is
2353 present for other attributes that require its presence.
2354 (sh_attribute_table): Add new attributes trapa_handler and
2356 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2357 Don't check for pragma_interrupt. Don't store argument.
2358 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2359 (sh_deferred_function_attributes): Declare.
2360 (sh_deferred_function_attributes_tail): Likewise.
2361 * sh.md (sp_switch_1): Add operand. Change generator caller.
2362 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2363 (*return_i): Don't use when trap_exit attribute is in effect.
2364 (*return_trapa): New insn pattern.
2366 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2367 setting c_target_objs and cxx_target_objs.
2368 * t-sh: Add rule for sh-c.o.
2370 2006-01-30 Richard Guenther <rguenther@suse.de>
2373 * gimplify.c (gimplify_target_expr): Handle easy cases
2374 without creating a temporary.
2376 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2378 * vec.h (safe_grow): Remove duplicated line.
2380 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2383 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2384 (expand_omp): ... here.
2385 (expand_omp_parallel): Only remove barriers for combined
2386 parallel+workshare constructs.
2388 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2392 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2393 * tree.c (build_qualified_type): Chain the new type to the original
2394 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2395 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2396 (build_pointer_type_for_mode): Only return unqualified types.
2397 (build_reference_type_for_mode): Likewise.
2399 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2401 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2402 * Makefile.in (CXX_COMPAT_WARN): Define.
2403 * configure: Regenerate.
2405 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2408 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2411 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2413 * toplev.c: Fix thinko.
2415 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2416 Marcin Dalecki <martin@dalecki.de>
2418 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2419 (push_srcloc): Use XNEW.
2420 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2422 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2424 * df-core.c (df_set_blocks): Deleted all variable.
2426 2006-01-28 Ian Lance Taylor <ian@airs.com>
2428 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2429 cgraph_output_pending_asms.
2431 2006-01-28 Zack Weinberg <zackw@panix.com>
2433 * c.opt: Add -W(no-)overlength-strings.
2434 * doc/invoke.texi: Document it.
2435 * c-opts.c (c_common_handle_option): -pedantic implies
2436 -Woverlength-strings, if not explicitly disabled already.
2437 (c_common_post_options): -Woverlength-strings defaults to off, and
2438 is always off for C++.
2439 * c-common.c (fix_string_type): Issue warning about strings longer
2440 than is portable only if warn_overlength_strings. Rearrange code
2441 a little for clarity.
2442 * configure.in: Check for -Wno-overlength-strings as well before
2443 enabling -pedantic in stage 1.
2444 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2445 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2447 * genconditions.c (write_header, write_one_condition)
2448 (write_conditions, write_writer): Consolidate very long strings
2449 that were broken up to fit in C89 portable limit. Don't use
2450 printf when fputs will do.
2452 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2454 * combine.c (simplify_comparison <AND>): Check
2455 TRULY_NOOP_TRUNCATION before start using a subreg.
2457 * config/mips/mips.md (*branch_zero<mode>,
2458 *branch_zero<mode>_inverted, *branch_equality<mode>,
2459 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2460 Remove mode check from comparisons.
2462 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2464 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2466 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2468 * expmed.c (const_mult_add_overflow_p): Remove.
2469 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2471 * recog.c (validate_replace_rtx_subexp): Remove.
2472 * recog.h: Remove the prototype for
2473 validate_replace_rtx_subexp.
2475 * integrate.h: Remove the prototype for
2476 copy_decl_for_inlining.
2477 * rtl.h: Remove the prototype for mark_constant_function.
2478 * tree-vectorizer.h: Remove the prototype for
2479 vect_strip_conversion.
2481 * modulo-sched.c (create_partial_schedule,
2482 free_partial_schedule, reset_partial_schedule): Make them
2485 * hooks.c (hook_bool_rtx_int_false): Remove.
2486 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2488 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2490 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2491 and -mlong-double-128 are incompatible.
2492 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2493 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2494 (TARGET_LIBGCC2_CFLAGS): Define.
2495 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2496 (TARGET_LIBGCC2_CFLAGS): Same.
2497 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2499 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2502 * c-typeck.c (build_binary_op): Perform implicit casts of
2503 operands before shortening them.
2505 * cfgloopmanip.c (split_loop_bb): Remove.
2506 * cfgloop.h: Remove the prototype for split_loop_bb.
2508 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2509 * cfgloop.h: Remove the prototype for
2510 flow_loop_outside_edge_p.
2512 * emit-rtl.c (init_virtual_regs): Make it static.
2513 * function.h: Remove the prototype for init_virtual_regs.
2515 * recog.c (peephole2_optimize): Make it static.
2516 * recog.h: Remove the prototype for peephole2_optimize.
2518 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2520 * df-scan.c (df_record_entry_block_defs): Check if
2521 INCOMING_RETURN_ADDR_RTX is defined.
2523 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2524 Kenneth Zadeck <zadeck@naturalbridge.com>
2526 PR rtl-optimization/24762
2527 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2528 * targhooks.c (hook_void_bitmap): New hook prototype.
2529 * targhoohs.h (hook_void_bitmap): Ditto.
2530 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2531 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2532 * target.h (live_on_entry): New function pointer.
2533 * df-scan.c (df_all_hard_regs): Removed.
2534 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2535 (df_scan_free_internal): Added df->entry_block_defs.
2536 (df_scan_alloc): Ditto.
2537 (df_scan_dump): Ditto.
2538 (df_uses_record): Plumbed flag field properly thru calls.
2539 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2540 This part fixes PR24762.
2541 (df_bb_refs_record): Added code to make the frame and arg
2542 pointers live in EH blocks.
2543 (df_refs_record): Added call to df_record_entry_block_defs.
2544 (df_record_entry_block_defs): New function.
2545 * df-core.c: Added comments to describe new artifical defs.
2546 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2547 (entry_block_defs): New field in struct df.
2548 (df_all_hard_regs): Deleted.
2549 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2550 * df-problems.c (df_ru_bb_local_compute_process_def):
2551 Added code to handle artifical defs in the entry to a function.
2552 (df_ru_bb_local_compute): Ditto.
2553 (df_rd_bb_local_compute_process_def): Ditto.
2554 (df_rd_bb_local_compute): Ditto.
2555 (df_lr_bb_local_compute): Ditto.
2556 (df_ur_bb_local_compute): Ditto.
2557 (df_urec_bb_local_compute): Ditto.
2558 (df_chain_create_bb): Ditto.
2559 (df_ur_local_finalize): Removed entry.
2560 (df_urec_init): Ditto.
2561 (df_urec_local_finalize): Ditto.
2562 (df_ri_bb_compute): Added detection of last use of pseudos.
2563 * Makefile.in (df-scan.o): Updated dependencies.
2564 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2565 * config/mips/mips.c (mips_set_live_on_entry): Added.
2566 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2568 * dce.c (marked_insn_p): Added code to handle artifical defs.
2570 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2572 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2574 (_mm_cvtsi128_si64): Likewise.
2575 (_mm_cvtsd_si64): Likewise.
2576 (_mm_cvttsd_si64): Likewise.
2577 (_mm_cvtsi64_sd): Likewise.
2578 (_mm_cvtsi64_si128): Likewise.
2579 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2580 (_mm_cvtsi64_m64): Likewise.
2581 (_m_to_int64): Likewise.
2582 (_mm_cvtm64_si64): Likewise.
2583 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2584 (_mm_cvttss_si64): Likewise.
2585 (_mm_cvtsi64_ss): Likewise.
2586 (_mm_cvtss_f32): Likewise.
2588 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2590 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2591 for pragma redefine_extname.
2593 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2596 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2597 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2598 -mno-minimal-toc to previous content.
2599 (bispecs): Remove goal.
2600 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2601 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2602 compatibility aliases on powerpc-*-*gnu*.
2603 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2604 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2605 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2606 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2607 (ldblspecs): New goal.
2608 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2609 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2611 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2612 L_sf_to_tf or L_df_to_tf is defined.
2614 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2615 Alan Modra <amodra@bigpond.net.au>
2618 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2619 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2620 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2621 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2622 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2623 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2624 (rs6000_override_options): Initialize rs6000_ieeequad.
2625 Initialize TFmode format to ibm_extended_format if not
2627 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2629 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2630 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2631 (function_arg_advance): IBM long double passed in two FPRs, not
2633 (function_arg): IBM long double passed in FPRs.
2634 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2635 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2636 Only multireg GPR aligned.
2637 (rs6000_init_libfuncs): Enable IBM long double functions if not
2639 (rs6000_generate_compare): Use IBM long double compare if not
2641 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2642 (TARGET_IEEEQUAD): Define.
2643 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2644 not TARGET_IEEEQUAD.
2645 * config/rs6000/rs6000.md: Enable TFmode patterns if
2647 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2648 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2649 and -mlong-double-128 are incompatible.
2650 * doc/invoke.texi (-mabi): Collect options together. Add
2651 ibmlongdouble and ieeelongdouble.
2653 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2655 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2657 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2658 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2659 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2660 * rtl.h (rtunion_def): Remove rt_ptr.
2662 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2663 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2664 * config/i386/winnt.c (i386_pe_mark_dllexport)
2665 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2667 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2669 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2671 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2675 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2676 pthread_key_delete. From John David Anglin. gthrw-ify
2677 pthread_getunique_np only if it it's not a macro. Delete
2679 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2680 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2681 __gthread_objc_condition_signal, __gthread_key_delete): Add
2682 "__attribute__ ((__unused__))" to unused arguments.
2683 (__gthread_recursive_mutex_init_function): Add missing return.
2684 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2685 gthr-posix95.h: Use macro-based approach for name redirection
2686 on targets missing weakref.
2688 2006-01-26 Zack Weinberg <zackw@panix.com>
2690 * genconditions.c (write_header): In generated code, #ifdef out
2691 all includes and fake declarations, except includes of bconfig.h
2692 and system.h, unless GCC_VERSION >= 3001. Do not include
2693 gensupport.h in any case.
2694 (write_conditions): Generate a definition of struct c_test. Add
2695 a comment to the generated #endif.
2696 (write_one_condition): Escape backslashes in string too.
2697 (write_writer): Generated code must escape backslashes and quote
2698 marks (but not newlines) in the strings it writes.
2699 * Makefile.in (build/gencondmd.o): Update dependencies.
2701 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2704 * Makefile.in (insn-automata.o): Add header file dependencies.
2705 * genautomata.c: Add includes.
2707 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2710 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2712 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2714 * configure.ac: Expect target tools paths to be passed from the toplevel
2715 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2717 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2719 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2722 * c.opt (Wpointer-sign): Init to -1.
2723 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2724 OPT_pedantic, to 0 otherwise.
2725 * doc/invoke.texi: Update.
2727 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2729 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2730 constants provided by 80387 instructions in the destination mode.
2732 2006-01-26 Richard Guenther <rguenther@suse.de>
2733 Andrew Pinski <pinskia@physics.uc.edu>
2736 partial PR tree-opt/17064
2737 * tree-ssa-structalias.c (intra_create_variable_infos):
2738 Create heap variables for incoming parameters if
2739 flag_argument_noalias > 1.
2740 (find_what_p_points_to): Look through default defs of
2743 2006-01-26 Jeff Law <law@redhat.com>
2746 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2747 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2748 within the VR_RANGE, use the VR_RANGE as the result, not the
2750 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2751 bounds for the type.
2753 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2755 * tree-ssa-alias.c (maybe_create_global_var): Change
2756 subvar walking to an assertion that we don't have subvar'd variables.
2758 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2761 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2762 Use a new variable, inner. PARM_DECLs are always non-weak.
2764 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2766 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2769 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2771 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2773 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2775 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2776 (smax_insn, smin_insn, smax_0, smin_0): New.
2778 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2781 * config/cris/cris.c (cris_order_for_addsi3): New function.
2782 * config/cris/cris-protos.h: Prototype it.
2783 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2784 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2785 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2786 (split for "op.S1 [rx=rx+i],ry (swapped)")
2787 (split for "op(s|u).S1 [rx=rx+i],ry")
2788 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2789 Apply cris_order_for_addsi3 when generating addsi3 insns.
2791 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2793 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2794 (TREE_BLOCK): Add call to EXPR_CHECK.
2796 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2799 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2800 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2801 (dump_omp_clauses): ... here.
2802 (dump_generic_node): Handle OMP_CLAUSE.
2803 * tree.c (omp_clause_num_ops): New.
2804 (omp_clause_code_name): New.
2805 (tree_code_size): Handle OMP_CLAUSE.
2806 (tree_size): Likewise.
2807 (make_node): Document handling of OMP_CLAUSE.
2808 (tree_node_structure): Handle OMP_CLAUSE.
2809 (omp_clause_check_failed): New.
2810 (omp_clause_range_check_failed): New.
2811 (omp_clause_operand_check_failed): New.
2812 (build_omp_clause): New.
2813 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2814 * tree.h (enum omp_clause_code): Declare.
2815 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2816 (OMP_CLAUSE_RANGE_CHECK): Define.
2817 (OMP_CLAUSE_ELT_CHECK): Define.
2818 (omp_clause_check_failed): Declare.
2819 (omp_clause_operand_check_failed): Declare.
2820 (omp_clause_range_check_failed): Declare.
2821 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2822 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2823 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2824 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2825 (OMP_CLAUSE_IF_EXPR): Likewise.
2826 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2827 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2828 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2829 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2830 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2831 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2832 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2833 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2834 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2835 (OMP_CLAUSE_CODE): Define.
2836 (OMP_CLAUSE_SET_CODE): Define.
2837 (OMP_CLAUSE_CODE): Define.
2838 (OMP_CLAUSE_OPERAND): Define.
2839 (struct tree_omp_clause): Declare.
2840 (union tree_node): Add field 'omp_clause'.
2841 * treestruct.def (TS_OMP_CLAUSE): Define.
2842 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2843 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2844 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2845 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2846 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2847 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2848 (OMP_CLAUSE): Define.
2849 * print-tree.c (print_node): Handle OMP_CLAUSE.
2850 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2851 * c-typeck.c: Likewise.
2852 * gimplify.c: Likewise.
2853 * c-omp.c: Likewise.
2854 * tree-nested.c: Likewise.
2855 * tree-inline.c: Likewise.
2856 * c-parser.c: Likewise.
2857 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2860 2006-01-25 Roger Sayle <roger@eyesopen.com>
2862 PR rtl-optimization/25703
2863 * combine.c (try_combine): Handle zero_extract and strict_low_part
2864 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2866 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2868 * global.c: Fix comment typos.
2870 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2873 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2874 Use output_addr_const instead of assemble_name.
2876 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2878 * Makefile.in (sched-vis.o): Update dependencies.
2879 * haifa-sched.c (sched_finish): Clear current_sched_info.
2880 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2881 (dump_flow_info): Call it.
2882 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2884 * basic-block.h (dump_bb_info): Declare.
2885 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2886 option, and apply options only for dump files whose TDF_RTL,
2887 TDF_TREE, or TDF_IPA bits match.
2888 * rtl.h: Declare new functions exported from sched-vis.c.
2889 * sched-vis.c: Enable also if scheduling is not used.
2890 (print_value): Print the mode of registers if not inside scheduling.
2891 (print_insn): Make it work outside the scheduler. Beautify the output
2893 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2895 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2897 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2898 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2899 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2900 depending on the value of CONSTANT_POOL_ADDRESS_P.
2901 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2903 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2904 rather than SYMBOL_REF_DECL.
2905 (rtx_constant_pool): Remove const_rtx_sym_htab.
2906 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2907 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2908 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2909 Remove handling of const_rtx_sym_htab.
2910 (find_pool_constant): Delete.
2911 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2912 rather than find_pool_constant.
2913 (get_pool_constant_for_function): Delete.
2914 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2916 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2917 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2918 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2919 (SYMBOL_REF_CONSTANT): New macro.
2920 (get_pool_constant_for_function): Delete.
2921 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2922 rather than SYMBOL_REF_DECL.
2923 (i386_pe_mark_dllimport): Likewise.
2924 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2925 rather than SYMBOL_REF_DECL.
2926 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2927 (machopic_indirect_call_target): Likewise.
2929 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2931 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2933 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2935 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2937 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2939 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2941 2006-01-24 David Daney <ddaney@avtrex.com>
2944 * configure.ac (enable_tls): New enable option.
2945 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2946 * configure: Regenerate.
2947 * doc/install.texi (--enable-tls): Document new option.
2948 (--disable-tls): Ditto.
2950 2006-01-24 Richard Henderson <rth@redehat.com>
2952 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2953 * alias.c (true_dependence): Respect it.
2954 (canon_true_dependence, write_dependence_p): Likewise.
2955 * builtins.c (get_builtin_sync_mem): Set it.
2957 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2959 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2962 2006-01-24 DJ Delorie <dj@redhat.com>
2964 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2965 for storing constants in single-bit bitfields.
2967 2006-01-25 Ben Elliston <bje@au.ibm.com>
2969 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2971 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2974 * tree-ssa-pre.c (phi_translate): Return NULL
2975 for AGGREGATE_TYPE's.
2977 2006-01-24 Zack Weinberg <zackw@panix.com>
2979 * genautomata.c (process_state_for_insn_equiv_partition):
2980 Use xcalloc for insn_arcs_array.
2981 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2982 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2984 2006-01-24 Richard Henderson <rth@redhat.com>
2986 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2989 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2991 PR rtl-optimization/25890
2992 PR rtl-optimization/25905
2993 * combine.c (expand_compound_operation, expand_field_assignment):
2994 Fail if the bitfield's final position is out of bounds.
2996 2006-01-24 Ian Lance Taylor <ian@airs.com>
2999 * cgraphunit.c (cgraph_output_in_order): Don't clear
3000 cgraph_asm_nodes until after asm strings have been output.
3002 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3004 * fix-header.c (read_scan_file): Add new parameter imultilib when
3005 calling register_include_chains.
3007 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3009 * omp-low.c: Update documentation.
3011 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3012 Daniel Berlin <dberlin@dberlin.org>
3016 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3017 return from the function.
3019 2006-01-22 Zack Weinberg <zackw@panix.com>
3021 * rtl.def (match_code): Add second argument.
3022 * genpreds.c (write_extract_subexp): New function.
3023 (write_match_code): Add path argument. Use write_extract_subexp.
3024 (write_predicate_expr): Pass path to write_match_code.
3025 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3026 not perform a mode test.
3027 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3028 a subexpression does not constrain the top-level code set.
3029 * read-rtl.c (read_rtx_variadic): New function.
3030 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3031 * doc/md.texi: Document new notation.
3032 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3033 (cmpsi_operand): ... here, using new notation.
3035 2006-01-22 Zack Weinberg <zackw@panix.com>
3037 * varray.c: Remove GENERATOR_FILE #ifdefs.
3039 2006-01-22 Zack Weinberg <zackw@panix.com>
3041 * genautomata.c (output_reserved_units_table): Emit nothing if
3042 description->query_units_num is zero. Remove extra blank line.
3043 (output_cpu_unit_reservation_p): Short circuit
3044 if description->query_units_num is zero.
3046 2006-01-22 Zack Weinberg <zackw@panix.com>
3048 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3049 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3050 nor any of the random handful of variables that used to be necessary
3051 when this program was linked with rtlanal.o. Prune set of forward
3052 function declarations.
3053 (struct attr_desc): Remove static_p field.
3054 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3055 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3056 (attr_string): Do not read the character one past the length of
3058 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3059 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3060 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3061 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3062 (make_automaton_attrs): New.
3063 (main): Do not call into genautomata. Call local gen_bypass
3064 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3065 Remove special case for insn_alts.
3066 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3067 varray.h (leftover from previous change). Prune set of forward
3068 function declarations. Remove state_alts fields from all
3069 structures. Remove state_alts_table from struct automaton.
3070 Make everything except main static. Do not maintain num_dfa_decls.
3071 Do not maintain state_alts fields of various structures.
3072 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3073 (add_arc): Remove state_alts argument. All callers updated.
3074 (output_reserved_units_table): Emit #ifdef here...
3075 (output_tables): ...not here. Don't generate state_alts tables.
3076 (expand_automata): Don't generate attributes.
3077 (write_automata): Don't generate state_alts functions.
3078 (main): New function.
3079 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3080 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3081 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3082 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3083 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3084 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3085 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3086 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3088 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3089 * genattrtab.h: Delete file.
3090 * Makefile.in (OBJS-common): Add insn-automata.o.
3091 (insn-automata.o): New rule.
3092 (simple_generated_c): Add insn-automata.c.
3093 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3094 (genprogmd): Add automata.
3095 (build/genattrtab): Needs no extra objects nor libraries.
3096 (build/genautomata): Needs build/vec.o and -lm.
3098 2006-01-22 Zack Weinberg <zackw@panix.com>
3100 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3101 (output_dfa_max_issue_rate, locked_states_num): Delete.
3102 (struct automaton): Add locked_states field.
3103 (output_dead_lock_vect): Save number of locked states in
3104 automaton->locked_states. If it is zero, don't print anything.
3105 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3106 (output_internal_dead_lock_func): Only test the dead_lock_vect
3107 for automata that have locked states.
3108 (output_statistics): Always print the number of locked states for
3109 each automaton. Calculate total number of locked states here.
3110 (write_automata): Don't call output_dfa_max_issue_rate.
3111 * genattrtab.c: Define length_unit_log as a const variable.
3112 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3113 max_insn_queue_index const.
3114 * final.c (length_unit_log): Declare const.
3115 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3117 2006-01-22 Zack Weinberg <zackw@panix.com>
3119 * genautomata.c: Include vec.h, not varray.h.
3120 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3121 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3122 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3123 VEC_* macros operating on appropriately typed vectors, or to
3124 malloced arrays when the size is known in advance. Const-ify
3125 many char* variables and function arguments. No functional changes.
3126 * Makefile.in (build/varray.o): Delete rule.
3127 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3128 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3130 2006-01-22 Zack Weinberg <zackw@panix.com>
3132 * gensupport.c: Define get_insn_name and record_insn_name here.
3133 (read_md_rtx): Call record_insn_name as appropriate.
3134 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3135 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3136 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3138 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3139 (BUILD_VARRAY): Delete.
3140 (genprognormal): Rename genprogmd. Fold in all programs from
3141 genprognoprint; also attrtab.
3142 (build/genattrtab): Just mention genautomata.o and varray.o.
3143 Reorganize a bit, add comments to make the categories clearer.
3145 2006-01-22 Zack Weinberg <zackw@panix.com>
3147 * genconditions.c (condition_table, add_condition): Delete.
3148 (write_conditions): Don't emit n_insn_conditions nor
3149 insn_elision_unavailable. Issue the gcc version #ifdef here,
3150 inside the table, with no #else clause ...
3151 (write_header): ...not here.
3152 (write_writer): New function.
3153 (main): Don't initialize condition_table. Use add_c_test.
3155 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3156 files on the command line.
3157 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3158 Return -1 if there is no entry in the table, don't abort.
3159 (add_c_test, traverse_c_tests): New functions.
3160 * gensupport.h (insn_elision_unavailable, insn_conditions)
3161 (n_insn_conditions): Delete declarations.
3162 (add_c_test, traverse_c_tests): Declare.
3163 * read-rtl.c: Include gensupport.h.
3164 (read_conditions): New function.
3165 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3166 (read_rtx_1): If we get EOF when we were looking for an initial
3167 open paren, return 0. Call read_conditions when appropriate.
3168 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3169 dummy-conditions.o. Eliminate references to insn-conditions.o,
3170 or change them to build/gencondmd.o, as appropriate. Remove
3171 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3172 from $(simple_generated_c). For all files remaining in those
3173 two lists, add insn-conditions.md to the generator command line.
3174 Give insn-constants.h/s-constants their own rules. Add rules
3175 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3176 (build/read-rtl.o): Depend on gensupport.h.
3177 (genprognormal): Include preds.
3178 (genprogearly): Rename genprognoprint; only difference is now that
3179 they don't link with $(BUILD_PRINT).
3180 * dummy-conditions.c: Delete.
3182 2006-01-22 Zack Weinberg <zackw@panix.com>
3184 * genextract.c: Don't include insn-config.h. Do include vec.h.
3185 Declare vectors of int, char, and locstr.
3186 (locstr): New typedef.
3187 (struct extraction): Make all array fields into bare pointers.
3188 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3189 (insn_code_number): Delete.
3190 (accum_extract): New struct.
3191 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3192 (gen_insn): Take insn_code_number as an argument. Use an
3193 accum_extract structure instead of loading data directly into
3194 a struct extraction, and having to know how big it might get.
3195 (walk_rtx): Operate entirely on an accum_extract structure.
3196 (print_path): Avoid unnecessary use of printf.
3197 (print_header): New function, split out of main. Distinguish
3198 more carefully between an unrecognizable insn and an insn that
3199 has the code number of a define_expand.
3200 (main): Pass insn_code_number to gen_insn. Call print_header
3201 only after parsing. Avoid unnecessary use of printf.
3202 * Makefile.in (build/vec.o): New rule.
3203 (build/genextract): Depend on build/vec.o.
3204 (build/genextract.o): Don't depend on insn-config.h.
3206 2006-01-22 Zack Weinberg <zackw@panix.com>
3208 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3209 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3210 practical. Eliminate per-generator-program link rules.
3212 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3215 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3216 with a call expr to ...
3217 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3219 2006-01-23 Richard Guenther <rguenther@suse.de>
3221 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3222 before make_edge with conditional EDGE_TRUE_VALUE.
3224 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3225 Jan Hubicka <jh@suse.cz>
3226 Richard Guenther <rguenther@suse.de>
3228 PR rtl-optimization/25654
3229 * cfgexpand.c (aggregate_contains_union_type): New function.
3230 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3231 for structure variables that contain a union type.
3233 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3235 * gengtype.c (new_structure): Return the structure.
3236 (create_option): Add an extra "next" argument.
3237 (create_field): New function.
3238 (adjust_field_rtx_def): Use create_option and create_field.
3239 Remove a now-unnecessary call to find_structure.
3240 (adjust_field_tree_def): Likewise.
3241 (note_yacc_type): Remove an unnecessary call to find_structure.
3242 * gengtype.h (new_structure): Return the structure.
3243 (create_option): Add an extra argument.
3244 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3245 (option): Adjust calls to create_option.
3247 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3249 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3251 2006-01-22 Paul Brook <paul@codesourcery.com>
3252 Peter Barada <peter@the-baradas.com>
3254 * config/m68k/m68k.md: Add Coldfire FPU support.
3255 Define FP mode macro and associated attributes.
3256 Use it for float mode patterns.
3257 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3258 (LIBCALL_VALUE): Use m68k_libcall_value.
3259 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3260 (m68k_function_value): Ditto.
3261 (emit_move_sequence): Ditto.
3262 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3263 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3264 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3265 (MULTILIB_EXCEPTIONS): Ditto.
3266 * config/m68k/m68k.opt: Add mcfv4e.
3267 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3268 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3269 (m68k_output_function_prologue): Save ColdFire FPU registers.
3270 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3271 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3272 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3273 ColdFire FPU registers.
3274 (m68k_libcall_value, m68k_function_value): New functions.
3275 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3276 (LIBCALL_VALUE): Use m68k_libcall_value.
3277 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3278 (MASK_COLDFIRE): Add MASK_CFV4E.
3279 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3280 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3281 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3282 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3283 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3284 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3285 * doc/invoke.tex: Document -mcfv4e on m68k.
3287 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3289 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3292 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3295 * c-opts.c (c_common_handle_option): Don't include
3296 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3297 * doc/invoke.texi (C++ Dialect Options): Document that
3298 -Wnon-virtual-dtor is no longer included in -Wall.
3300 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3302 * gcov.c (print_version), gcov-dump.c (print_version),
3303 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3306 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3308 * df-scan.c (problem_SCAN): Added NULL reset function.
3309 (df_scan_reset_blocks): Added code to call reset block function
3310 (df_bb_refs_delete) Fixed comment.
3311 (df_insn_refs_delete): Made tolerant of deleting non existent info
3312 for dataflow problems that need to be reset.
3313 * df-core.c (df_set_blocks): Ditto.
3314 * df.h (struct df_problem): Added reset_fun.
3315 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3316 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3317 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3318 functions to clear out all references to def-use or use-def chains.
3320 2006-01-21 Ben Elliston <bje@au.ibm.com>
3322 * varasm.c (assemble_real): Initialise data array.
3324 2006-01-20 Paul Brook <paul@codesourcery.com>
3326 Merge from csl-arm-branch.
3327 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3328 * config/arm/arm.md (movdi): Force operands[1] to a register
3329 if we have a non-register source.
3330 (*arm_movdi, *movdf_soft_insn): Require that one of the
3331 operands be a register.
3332 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3333 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3335 2006-01-20 DJ Delorie <dj@redhat.com>
3337 * varasm.c (initialize_constant_valid_p): Allow pointers
3338 initialized from integer constants of lesser precision.
3339 (output_constant): Allow non-int-sized pointer modes to be
3340 initialized from integer constants.
3342 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3345 * cppdefault.h (struct default_include): Add multilib flag.
3346 * cppdefault.c (cpp_include_defaults): Set it.
3347 * c.opt (-imultilib): New option.
3348 * c-opts.c (imultilib): New.
3349 (c_common_handle_option): Handle -imultilib.
3350 (c_common_post_options): Likewise.
3351 * c-incpath.c (add_standard_paths, register_include_chains):
3353 * c-incpath.h (register_include_chains): Add extra parameter.
3354 * gcc.c (do_spec_1): Generate -imultilib option.
3355 (The Specs Language): Update %I description.
3356 (process_command): Update copyright notice.
3357 * doc/cppopts.texi (-imultilib): Document.
3358 * doc/invoke.texi (-imultilib): Include in option summary.
3359 (%I): Update specs documentation.
3361 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3363 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3365 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3367 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3370 2006-01-20 Richard Guenther <rguenther@suse.de>
3371 Steven Bosscher <stevenb.gcc@gmail.com>
3373 PR rtl-optimization/24626
3374 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3375 EDGE_TRUE_VALUE if in RTL mode.
3378 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3379 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3381 2006-01-20 Dirk Mueller <dmueller@suse.com>
3384 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3385 instead of a special NOP marker.
3386 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3387 NOP marker handling.
3388 * c-common.h (empty_body_warning): Add forward declaration.
3389 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3390 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3392 2006-01-20 Paul Brook <paul@codesourcery.com>
3394 * Makefile.in (lang_checks): Keep going if mkdir fails.
3396 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3398 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3399 be able to clean out basic block when not necessary.
3400 (df_scan_free): Fixed to properly delete information if df is
3401 unused before calling df_finish.
3402 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3403 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3405 (df_bb_refs_delete): New function.
3406 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3407 * df-core.c (df_set_blocks): Added code to properly clean out
3408 unused blocks if they are not part of the blocks to consider.
3409 Added additional null check.
3410 (df_compact_blocks):&
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