1 2006-02-26 Roger Sayle <roger@eyesopen.com>
3 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7 2006-02-26 Roger Sayle <roger@eyesopen.com>
8 James A. Morrison <phython@gcc.gnu.org>
11 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14 signedness of the shift operation.
16 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
18 PR tree-optimization/26359
19 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
21 2006-02-25 Roger Sayle <roger@eyesopen.com>
23 * simplify-rtx.c (simplify_relational_operation_1): Simplify
24 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
25 as X == 0, and some symmetry related transformations.
26 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
28 2006-02-25 Roger Sayle <roger@eyesopen.com>
31 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
32 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
33 symmetry related transformations. Fold (X^C1) == C2 as
36 2006-02-25 Juergen Weigert <jw@suse.de>
37 Richard Guenther <rguenther@suse.de>
39 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
41 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
43 * combine.c (gen_lowpart_or_truncate): Call
44 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
46 2006-02-24 Diego Novillo <dnovillo@redhat.com>
48 * doc/invoke.texi: Move -fopenmp description to "Options for
50 Remove reference to -lgomp.
52 2006-02-24 David Edelsohn <edelsohn@gnu.org>
54 * doc/install.texi: Require GNU tar version 1.14.
56 2006-02-24 Geoffrey Keating <geoffk@apple.com>
58 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
59 * doc/invoke.texi (C++ Dialect Options): Document
60 -fno-use-cxa-get-exception-ptr.
61 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
62 * configure: Regenerate.
63 * c.opt (fuse-cxa-get-exception-ptr): New.
64 * c-opts.c (c_common_handle_option): Handle
65 OPT_fuse_cxa_get_exception_ptr.
66 * c-common.c (flag_use_cxa_atexit): Update documentation.
67 (flag_use_cxa_get_exception_ptr): New.
68 * c-common.h (flag_use_cxa_get_exception_ptr): New.
69 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
71 (C_COMMON_OVERRIDE_OPTIONS): New.
73 2006-02-24 Roger Sayle <roger@eyesopen.com>
76 * combine.c (try_combine): Explicitly check whether GET_CODE is
77 a SET or a CLOBBER, instead on checking that it isn't a USE.
79 2006-02-24 Roger Sayle <roger@eyesopen.com>
81 * fold-const.c (fold_comparison): New subroutine of fold_binary
82 containing transformations common to both the equality and
83 ordering relational operators, factored out of fold_binary.
84 (fold_binary): Separate out the equality operators (EQ_EXPR
85 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
86 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
87 transformations common to both.
88 (fold_div_compare): Fix latent bugs in the previously unreachable
89 LT_EXPR and GE_EXPR cases.
91 2006-02-24 David Edelsohn <edelsohn@gnu.org>
93 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
94 decl libname for clog to __clog on AIX.
96 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
98 2006-02-24 Alan Modra <amodra@bigpond.net.au>
101 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
102 output traceback table for thunks. Localise rs6000_stack_info call.
104 2006-02-23 Roger Sayle <roger@eyesopen.com>
105 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
107 * gthr-posix.h (__gthrw): Fix typo in comment.
109 2006-02-23 Geoffrey Keating <geoffk@apple.com>
111 * doc/cpp.texi (Character sets): Document that we do support
112 input files to be in any character set.
114 2006-02-23 Jeff Law <law@redhat.com>
116 * tree.h (PHI_ARG_NONZERO): Remove.
117 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
118 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
119 node to the new node.
121 PR tree-optimization/26425
122 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
123 min/max, then assume its varying.
125 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
127 PR rtl-optimization/26316
128 * rtlanal.c (enum may_trap_p_flags): New.
129 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
130 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
131 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
132 (may_trap_after_code_motion_p): New function.
133 * loop-invariant.c (find_identical_invariants): Fix dump formating.
134 (find_invariant_insn): Use may_trap_after_code_motion_p.
135 * rtl.h (may_trap_after_code_motion_p): Declare.
137 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
139 * emit-rtl.c (immed_double_const): Cleanup.
141 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
143 Fix PR tree-optimization/26376
144 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
147 2006-02-23 Jakub Jelinek <jakub@redhat.com>
150 * gimplify.c (omp_add_variable): Guard variable size decl test with
151 DECL_SIZE (decl) check.
153 2006-02-23 Richard Guenther <rguenther@suse.de>
156 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
157 like aggregate types.
159 2006-02-23 Jakub Jelinek <jakub@redhat.com>
161 * configure.ac: Add --with{,out}-long-double-128 configure option.
162 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
163 * configure: Rebuilt.
164 * config.in: Rebuilt.
165 * doc/install.texi (Options specification): Document
166 --with-long-double-128.
168 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
169 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
170 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
171 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
173 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
175 * config/s390/s390.c (override_options): Handle
176 TARGET_DEFAULT_LONG_DOUBLE_128.
178 * config/alpha/alpha.c (override_options): Handle
179 TARGET_DEFAULT_LONG_DOUBLE_128.
181 * config/sparc/sparc.c (sparc_override_options): Handle
182 TARGET_DEFAULT_LONG_DOUBLE_128.
184 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
186 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
187 (real-install-headers-tar, real-install-headers-cpio)
188 (real-install-headers-cp): New targets.
190 2006-02-22 Richard Sandiford <richard@codesourcery.com>
192 * tree.h (variable_section): Delete.
193 * varasm.c (variable_section): Delete.
195 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
197 * install.texi: Add notes on install.texi2html.
198 (Building in parallel): Do not use footnotes.
200 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
203 * doc/install.texi (Configuration): Document --disable-libgomp.
205 2006-02-21 Geoffrey Keating <geoffk@apple.com>
207 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
209 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
211 * config/i386/sse.md (vec_extractv2df_1_sse): New.
212 (vec_extractv2df_0_sse): New.
214 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
216 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
217 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
218 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
219 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
220 to the result of the expression.
222 (frame_pointer_cfa_offset): Rename to...
223 (frame_pointer_fb_offset): ... this. Adjust all uses.
224 (convert_cfa_to_loc_list): Rename to...
225 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
226 Pass it on to build_cfa_loc.
227 (compute_frame_pointer_to_cfa_displacement): Rename to...
228 (compute_frame_pointer_to_fb_displacement): ... this. New
229 offset parameter. Use it in computation.
230 (gen_subprogram_die): Compute cfa_fb_offset with the new
231 macro, and use it to compute the fb loc list and the
234 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
236 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
237 replaced with register_operand.
238 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
239 non-DREG is expensive.
240 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
241 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
244 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
246 * doc/install.texi2html: Use set -e.
248 2006-02-21 Richard Sandiford <richard@codesourcery.com>
250 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
251 (ASM_OUTPUT_SHARED_LOCAL): Delete.
252 * doc/invoke.texi (-fshared-data): Delete.
253 * common.opt (fshared-data): Delete.
254 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
255 (assemble_static_space): Remove #if 0 code.
256 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
257 (ASM_OUTPUT_SHARED_LOCAL): Poison.
258 * config/cris/cris.h: Remove FIXME.
260 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
262 * doc/sourcebuild.texi (Front End Directory): No more double-colon
265 2006-02-21 Jakub Jelinek <jakub@redhat.com>
268 * combine.c (simplify_shift_const_1): Disable nested shifts
269 optimization for vector shifts.
271 2006-02-20 Roger Sayle <roger@eyesopen.com>
273 PR tree-optimization/26361
274 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
275 of unsigned integer types.
277 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
279 * tree-chrec.c (eq_evolutions_p): New.
280 * tree-chrec.h (eq_evolutions_p): Declared.
281 * tree-data-ref.c: Fix formatting.
282 (datadep_stats, dependence_stats): New.
284 (print_direction_vector): New.
285 (dump_data_dependence_relation): Use print_direction_vector.
286 (object_analysis, create_data_ref): Handle COMPONENT_REF.
287 (compute_subscript_distance): Static.
288 (initialize_data_dependence_relation): Static. Get the number
289 of loops surrounding the references from the callers, and initialize
290 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
291 base_object_differ_p analyzers.
292 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
293 compute_overlap_steps_for_affine_1_2,
294 analyze_subscript_affine_affine): Count the classified dependences.
295 Print a message when a test failed.
296 (can_use_analyze_subscript_affine_affine): New.
297 (analyze_siv_subscript): Compute the data dependences on symbolic
298 scevs that verify can_use_analyze_subscript_affine_affine.
299 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
300 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
301 Handle symbolic scevs.
302 (analyze_overlapping_iterations): Let symbolic affine scevs to be
304 (subscript_dependence_tester): Moved...
305 (build_classic_dist_vector, build_classic_dir_vector): Don't use
306 lambda_vector_clear on newly allocated vectors. Get nb_loops from
307 DDR_SIZE_VECT instead of getting it in parameter.
308 (subscript_dependence_tester): ... here. Take as a parameter
309 loop_nest_depth. Call build_classic_dist_vector and
310 build_classic_dir_vector.
311 (compute_affine_dependence): Update subscript_dependence_tester
312 parameters. Update datadep_stats counters. Call
313 compute_subscript_distance.
314 (compute_self_dependence): Save the dist and dir vectors. Call
315 compute_subscript_distance.
316 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
317 (compute_all_dependences): Reorder parameters as they were before
318 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
319 compute_subscript_distance. Update the use of
320 compute_affine_dependence and initialize_data_dependence_relation.
321 (find_data_references_in_loop): Handle COMPONENT_REF.
322 (compute_data_dependences_for_loop): Initialize dependence_stats.
323 Don't call build_classic_dist_vector and build_classic_dir_vector.
324 Update the parameters of initialize_data_dependence_relation and
325 compute_all_dependences. Print the statistics from datadep_stats.
326 (analyze_all_data_dependences): Static. Not used until the pass for
327 checking the data dependences is contributed.
328 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
329 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
330 (initialize_data_dependence_relation, compute_affine_dependence,
331 analyze_all_data_dependences, compute_subscript_distance): Removed.
332 (print_direction_vector): New.
333 * lambda.h (gcd): ... here.
334 (lambda_vector_gcd): Moved here from gcd_vector.
335 * lambda-code.c (gcd, gcd_vector): Removed.
336 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
337 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
339 2006-02-20 Diego Novillo <dnovillo@redhat.com>
341 * ipa-type-escape.c: Tidy some comments and white space.
342 * tree-ssa-operands.c: Likewise.
344 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
347 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
348 (dump_decl_name): Do not walk the decl tree chains.
349 * tree-pass.h (TDF_CHAIN): Remove.
351 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
353 * Makefile.in (C): Remove
355 (.PHONY): Remove C and PROTO
357 2006-02-20 Roger Sayle <roger@eyesopen.com>
360 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
361 deprecated CHAR_TYPE tree code.
363 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
365 * configure.ac (target_list): Add install-info, dvi, html.
366 * configure: Regenerate.
368 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
369 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
370 treelang/Make-lang.in: Do not use double-colon rules.
372 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
374 * tree.h (struct tree_memory_tag): Add is_used_alone member.
375 (TMT_USED_ALONE): New macro.
376 * tree-pass.h (PROP_tmt_usage): New property.
377 (TODO_update_tmt_usage): New todo.
378 * tree-ssa-alias.c (updating_used_alone): New variable.
379 (recalculate_used_alone): New function.
380 (compute_may_aliases): Set updating_used_alone, call
381 recalculate_used_alone.
382 * tree-sra.c (pass_sra): Note that this pass destroys
383 PROP_tmt_usage, and add TODO_update_tmt_usage.
384 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
385 * tree-flow.h (updating_used_alone): Prototype.
386 (recalculate_used_alone): Ditto.
387 * passes.c (execute_todo): Add code to set updating_used_alone,
388 and call recalculate.
389 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
390 for clobber if used alone, and add assert to verify used_alone
393 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
395 * config/s390/s390.c (legitimize_pic_address): Assertions checking
396 for non tls symbols added.
397 (legitimize_address): Do nothing for PLUS expressions if one of the
398 addends is a tls symbol reference.
400 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
404 * Makefile.in (LDFLAGS): Define from autoconf substitution.
406 * Makefile.in (BOOTSTRAPPING): New.
407 (quickstrap): New definition if BOOTSTRAPPING=yes.
409 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
410 * configure.ac: Substitute all_selected_languages with the languages
411 that were configured. For all the other variables except
412 lang_specs_files, include all the languages in the tree.
413 * configure: Regenerate.
415 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
416 if there is one. Run the commands to run fixincludes in the same
419 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
420 * doc/install.texi: Document exact conventions for searching target tools.
421 Document --with-build-time-tools. Document toplevel bootstrap. Document
422 something more about building an Ada cross-compiler. Don't list GNU Make
423 requirements which affect all platforms.
425 2006-02-19 Roger Sayle <roger@eyesopen.com>
428 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
429 only equivalent if the have both the same mode and precision.
431 2006-02-20 Ben Elliston <bje@au.ibm.com>
433 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
435 2006-02-19 Roger Sayle <roger@eyesopen.com>
436 Steven Bosscher <stevenb.gcc@gmail.com>
438 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
439 constant pool references to identify stack mode constants.
440 * rtlanal.c (constant_pool_constant_p): New predicate to check
441 whether operand is a floating point constant in the pool.
442 * rtl.h (constant_pool_constant_p): Prototype here.
443 * loop.c (scan_loop): Avoid hoisting constants from the constant
444 pool on STACK_REGS targets.
445 (load_mems): Likewise.
446 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
447 loads into x87 registers expensive in terms of register pressure.
449 2006-02-19 Roger Sayle <roger@eyesopen.com>
451 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
452 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
454 2006-02-19 David Edelsohn <edelsohn@gnu.org>
456 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
457 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
459 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
461 * doc/invoke.texi: Document -fipa-pta.
462 * common.opt: Add ipa-pta option.
463 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
464 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
465 (do_ds_constraint): Ditto.
466 (get_constraint_for): Only add to referenced_vars if
467 referenced_vars exists.
468 (insert_into_field_list): Rewrite to do this unsorted.
469 (insert_into_field_list_sorted): Rename old insert_into_field_list
471 (create_function_info_for): Use insert_into_field_list_sorted.
472 (create_variable_info_for): Rewrite so it uses unsorted version,
473 since the field list is sorted.
474 (intra_create_variable_infos): Only add to referenced_vars if
475 referenced_vars exists.
476 (ipa_pta_execute): Init heapvars, and delete when done.
477 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
479 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
481 * doc/install.texi: Add missing `@samp'.
483 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
485 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
488 2006-02-18 Mark Wielaard <mark@klomp.org>
490 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
491 who added new 4.1 features, bug fixes and integration support.
493 2006-02-18 David Edelsohn <edelsohn@gnu.org>
496 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
499 2006-02-18 Richard Sandiford <richard@codesourcery.com>
501 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
502 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
503 (copy_insn_1): Likewise. Don't copy each field individually.
505 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
507 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
508 * rtl.c (rtx_size): Rename variable to...
509 (rtx_code_size): ...this.
510 (rtx_size): New function.
511 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
512 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
514 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
515 * rtl.h (rtx_code_size): New variable.
516 (rtx_size): Change from a variable to a function.
517 (RTX_SIZE): Rename to...
518 (RTX_CODE_SIZE): ...this.
521 PR tree-optimization/17106
522 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
523 (Anchored Addresses): New section.
524 * doc/invoke.texi (-fsection-anchors): Document.
525 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
526 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
527 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
528 * hooks.c (hook_bool_mode_rtx_false): New function.
529 * hooks.h (hook_bool_mode_rtx_false): Declare.
530 * gengtype.c (create_optional_field): New function.
531 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
532 SYMBOL_REF_IN_BLOCK_P is true.
533 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
534 (min_anchor_offset, max_anchor_offset): Likewise.
535 (use_anchors_for_symbol_p): New hook.
536 * toplev.c (compile_file): Call output_object_blocks.
537 (target_supports_section_anchors_p): New function.
538 (process_options): Check that -fsection-anchors is only used on
539 targets that support it and when -funit-at-a-time is in effect.
540 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
541 if the decl doesn't have one.
542 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
543 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
544 of force_const_mem through use_anchored_address.
545 (expand_expr_constant): New function.
546 (expand_expr_addr_expr_1): Call it. Use the same modifier when
547 calling expand_expr for INDIRECT_REF.
548 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
549 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
550 * expr.h (use_anchored_address): Declare.
551 * loop-unroll.c: Don't declare rtx vectors here.
552 * explow.c: Include output.h.
553 (validize_mem): Call use_anchored_address.
554 (use_anchored_address): New function.
555 * common.opt (-fsection-anchors): New switch.
556 * varasm.c (object_block_htab, anchor_labelno): New variables.
557 (hash_section, object_block_entry_eq, object_block_entry_hash)
558 (use_object_blocks_p, get_block_for_section, create_block_symbol)
559 (use_blocks_for_decl_p, change_symbol_section): New functions.
560 (get_variable_section): New function, split out from assemble_variable.
561 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
562 use_blocks_for_decl_p say so. Use change_symbol_section if the
563 symbol has already been created.
564 (assemble_variable_contents): New function, split out from...
565 (assemble_variable): ...here. Don't output any code for
566 block symbols; just pass them to place_block_symbol.
567 Use get_variable_section and assemble_variable_contents.
568 (get_constant_alignment, get_constant_section, get_constant_size): New
569 functions, split from output_constant_def_contents.
570 (build_constant_desc): Create a block symbol if use_object_blocks_p
571 says so. Or into SYMBOL_REF_FLAGS.
572 (assemble_constant_contents): New function, split from...
573 (output_constant_def_contents): ...here. Don't output any code
574 for block symbols; just pass them to place_section_symbol.
575 Use get_constant_section and get_constant_alignment.
576 (force_const_mem): Create a block symbol if use_object_blocks_p and
577 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
578 (output_constant_pool_1): Add an explicit alignment argument.
579 Don't switch sections here.
580 (output_constant_pool): Adjust call to output_constant_pool_1.
581 Switch sections here instead. Don't output anything for block symbols;
582 just pass them to place_block_symbol.
583 (init_varasm_once): Initialize object_block_htab.
584 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
585 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
586 (place_block_symbol, get_section_anchor, output_object_block)
587 (output_object_block_htab, output_object_blocks): New functions.
588 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
589 (TARGET_ASM_OUT): Include it.
590 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
591 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
592 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
593 (TARGET_INITIALIZER): Include them.
594 * rtl.c (rtl_check_failed_block_symbol): New function.
595 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
596 (block_symbol, object_block): New structures.
597 (rtx_def): Add a block_symbol field to the union.
598 (BLOCK_SYMBOL_CHECK): New macro.
599 (rtl_check_failed_block_symbol): Declare.
600 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
601 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
602 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
603 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
604 * output.h (output_section_symbols): Declare.
605 (object_block): Name structure.
606 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
607 (default_use_anchors_for_symbol_p): Declare.
608 * Makefile.in (RTL_BASE_H): Add vec.h.
609 (explow.o): Depend on output.h.
610 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
611 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
612 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
613 (rs6000_use_blocks_for_constant_p): New function.
615 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
617 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
619 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
622 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
625 2006-02-18 Diego Novillo <dnovillo@redhat.com>
627 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
631 2006-02-18 Jakub Jelinek <jakub@redhat.com>
634 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
635 instead of DECL_REGISTER.
637 2006-02-18 Olivier Hainque <hainque@adacore.com>
640 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
642 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
645 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
646 * opth-gen.awk: Handle Var and InverseMask together.
647 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
648 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
649 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
650 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
652 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
653 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
654 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
655 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
656 LINUX_DYNAMIC_LINKER): Define.
657 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
658 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
660 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
661 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
662 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
664 (TARGET_C99_FUNCTIONS): Don't define.
665 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
666 GLIBC_DYNAMIC_LINKER.
667 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
668 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
669 GLIBC_DYNAMIC_LINKER64): Define.
670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
671 LINUX_DYNAMIC_LINKER64.
672 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
674 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
676 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
678 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
679 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
680 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
682 and LINUX_DYNAMIC_LINKER32.
683 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
685 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
687 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
689 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
690 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
691 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
692 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
693 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
694 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
695 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
696 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
697 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
698 LINUX_DYNAMIC_LINKER): Define.
699 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
700 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
701 GLIBC_DYNAMIC_LINKER64): Define.
702 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
703 LINUX_DYNAMIC_LINKER64.
704 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
705 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
706 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
707 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
708 LINUX_DYNAMIC_LINKER): Define.
709 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
710 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
711 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
712 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
713 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
714 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
715 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
716 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
717 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
718 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
719 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
720 * doc/invoke.texi (-muclibc): Remove caveat about supported
723 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
725 * doc/cpp.texi (__TIMESTAMP__): Document.
727 2006-02-17 Roger Sayle <roger@eyesopen.com>
730 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
731 C is one less than the width of X (and related transformations).
732 * simplify_rtx.c (simplify_unary_operation_1): Transform
733 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
734 depending on STORE_FLAG_VALUE, were C is one less then the
737 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
739 Fix PR tree-optimization/26341
740 * tree-ssa-operands.c (add_virtual_operand): Remove assert
741 about NAME_MEMORY_TAG's.
743 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
746 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
747 with hardware float support, and software float support. Add fcpy
748 alternative to hardware patterns. Add alternatives to copy between
749 general and floating-point registers to the 32-bit pattern.
750 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
751 secondary reload to load a QI or HI mode constant into a floating
753 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
754 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
756 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
759 * config/rs6000/darwin.md (load_macho_picbase_si): Add
761 (load_macho_picbase_di): Likewise.
763 2006-02-16 Jeff Law <law@redhat.com>
765 * tree-vrp.c (set_value_range_to_nonnegative): New function.
766 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
767 (ssa_name_nonzero_p): Likewise.
768 (get_value_range): Return NULL if VRP is not running.
769 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
770 VRP routines do not discover a range.
771 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
772 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
773 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
774 (tree_expr_nonnegative_p): Similarly.
775 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
776 (restore_nonzero_vars_to_original_value): Remove.
777 (unsafe_associative_fp_binop): Remove.
778 (tree_ssa_dominator_optimize): Remove initialization and
779 finalization of nonzero_vars and nonzero_vars_stack.
780 (dom_opt_initialize_block): No longer push marker on
782 (dom_opt_finalize_block): No longer call
783 restore_nonzero_vars_to_original_value.
784 (record_equivalences_from_phis): No longer look for
785 nonzero PHI arguments.
786 (cprop_into_successor_phis): No longer propagate nonzero
787 property into PHI arguments. Lose unused argument. Caller
789 (record_equivalences_from_stmt): No longer record nonzero
790 values for SSA_NAMEs.
791 (lookup_avail_expr): No longer use nonzero_vars.
793 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
794 for sizetype when sizetype is unsigned.
796 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
798 PR rtl-optimization/25603
799 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
800 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
801 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
802 with new meaning of SETS.
804 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
809 * config/linux.opt: New file.
810 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
811 LINUX_DYNAMIC_LINKER): Define.
812 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
813 * config.gcc (*-*-linux*): Define extra_options.
814 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
815 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
816 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
817 GLIBC_DYNAMIC_LINKER.
818 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
819 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
820 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
822 * doc/invoke.texi (GNU/Linux Options): New section.
824 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
826 * config/sparc/sparc.md (setjmp): Rewrite.
828 (setjmp_64): Likewise.
830 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
832 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
835 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
837 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
840 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
842 PR rtl-optimization/26296
843 * Makefile.in (loop-invariant.c): Add except.h dependency.
844 * loop-invariant.c: Include except.h.
845 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
847 2005-02-16 Paul Brook <paul@codesourcery.com>
849 * reload1.c (emit_reload_insns): Invalidate dead input registers used
852 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
854 PR rtl-optimization/25636
855 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
856 when deciding whether an insn is an initializing insn.
858 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
860 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
861 (tree_code_size): Ditto.
862 * tree.h (struct tree_memory_tag): Remove parent_var.
863 (struct tree_struct_field_tag): New.
866 (union tree_node): Add sft member.
867 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
869 (create_sft): Add size and offset argument, set SFT_OFFSET and
871 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
872 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
873 * tree-flow-inline.h (get_subvar_at): Update for
875 (var_can_have_subvars): Ditto.
876 (overlap_subvar): Ditto.
877 * print-tree.c (print_node): Print out interesting things for
879 * tree-flow.h (struct subvar): Remove offset and size members.
880 * tree-ssa-operands.c (get_expr_operands): Update for
881 get_indirect_ref_operands changes.
882 (get_indirect_ref_operands): Call add_virtual_operand instead of
883 add_stmt_operand. Only recurse on base var if requested.
884 (access_can_touch_variable): New function.
885 (add_stmt_operand): Split virtual operand handling into ...
886 (add_virtual_operand): Here. Add offset, size, and for_clobber
887 arguments. Prune alias sets.
888 (add_call_clobber_ops): Call add_virtual_operand.
890 2006-02-15 Jakub Jelinek <jakub@redhat.com>
893 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
895 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
896 than TREE_CODE as index into omp_clause_num_ops array.
898 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
900 PR rtl-optimization/26184
901 * modulo-sched.c (generate_reg_moves): Free bitmap vector
903 * modulo-sched.c (sms_schedule): Free g_arr pointer.
904 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
905 must_precede, must_follow and tobe_scheduled.
908 * opts.c (common_handle_option): Free new_option pointer.
909 * df-core.c (df_analyze): Free postorder pointer.
911 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
913 * Makefile.in: Fix the examples about the use of stamps
915 2006-02-15 Michael Matz <matz@suse.de>
919 * stor-layout.c (layout_decl): Zero-width bitfields aren't
920 influenced by maximum_field_alignment or DECL_PACKED.
921 (update_alignment_for_field): Ditto.
922 (place_field): Ditto.
923 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
926 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
928 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
929 (debug_flow_info): Pass it.
930 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
931 * bb-reorder.c (reorder_basic_blocks): Likewise.
932 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
933 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
934 * flow.c (life_analysis, recompute_reg_usage): Likewise.
935 * gcse.c (gcse_main, bypass_jumps): Likewise.
936 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
937 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
938 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
939 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
940 * rtl.h (dump_flow_info): Adjust prototype.
941 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
942 * var-tracking.c (variable_tracking_main): Likewise.
943 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
944 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
947 2006-02-15 Marcin Dalecki <martin@dalecki.de>
949 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
952 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
954 PR tree-optimization/26209
955 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
956 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
958 * tree-cfg.c (replace_uses_by): Do not alter cfg.
960 2006-02-14 Roger Sayle <roger@eyesopen.com>
963 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
964 (X,Y) and the corresponding symmetry related transformations.
965 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
966 (X,Y) and its symmetry related transformations.
968 2006-02-14 Roger Sayle <roger@eyesopen.com>
970 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
973 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
975 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
977 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
980 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
981 support COMDAT group.
982 * configure: Regenerate.
984 2006-02-14 Roger Sayle <roger@eyesopen.com>
989 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
991 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
993 Fix PR tree-optimization/26260
995 * doc/invoke.texi (max-fields-for-field-sensitive): Document
997 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
998 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
999 * tree-ssa-structalias.c (create_variable_info_for): Use
1000 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1002 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1004 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1006 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1007 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1008 of the ending condition.
1009 * tree-ssa-loop-manip.c: Include params.h.
1010 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1011 tree_unroll_loop): New functions.
1012 * tree-pass.h (pass_loop_prefetch): Declare.
1013 * loop.c (rest_of_handle_loop_optimize): Test for
1014 -fprefetch-loop-arrays-rtl.
1015 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1016 * timevar.def (TV_TREE_PREFETCH): New timevar.
1017 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1018 pass_loop_prefetch): New.
1019 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1020 (cleanup_tree_cfg_loop): Call scev_reset.
1021 * common.opt (fprefetch-loop-arrays-rtl): Add.
1022 * tree-ssa-loop-prefetch.c: New file.
1023 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1024 (new_temp_expr_table): Initialize expr_vars.
1025 (free_temp_expr_table): Cleanup expr_vars.
1026 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1027 expressions from being merged into one.
1028 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1029 (struct tree_niter_desc): Add control, bound and cmp fields.
1030 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1032 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1033 (tree-cfgcleanup.o): Add SCEV_H dependency.
1034 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1035 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1037 2006-02-14 Richard Guenther <rguenther@suse.de>
1039 PR tree-optimization/26258
1040 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1041 in PHI argument processing.
1043 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1045 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1046 new expression in the requested machine mode.
1048 2006-02-13 Roger Sayle <roger@eyesopen.com>
1050 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1051 directly, instead let do_compare_rtx_and_jump handle this for us.
1052 * expr.c (expand_expr_real_1): Likewise.
1053 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1054 before do_jump_by_parts_greater.
1055 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1056 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1058 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1060 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1062 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1064 PR rtl-optimization/26235
1065 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1066 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1069 2006-02-13 Jeff Law <law@redhat.com>
1071 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1074 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1077 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1078 twice if decl is a builtin. When trying again, call get_callee_fndecl
1079 first to verify it is still a builtin.
1081 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1083 * dwarf2out.c (base_type_die): Don't add AT_name here.
1084 (subrange_type_die): Don't add AT_name here.
1085 (modified_type_die): Rearrange code flow. Do add AT_name here.
1087 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1089 PR rtl-optimization/26247
1090 PR rtl-optimization/26248
1091 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1093 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1095 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1096 * config/fixtfdi.c: Likewise.
1097 * config/fixunstfdi.c: Likewise.
1098 * config/floatditf.c: Likewise.
1100 2006-02-13 Roger Sayle <roger@eyesopen.com>
1103 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1104 into (X,C2) if C1 is a subset of the bits of C2. Transform
1105 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1107 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1109 2006-02-13 Josh Conner <jconner@apple.com>
1112 * varasm.c (function_section): Check for section name before
1113 calling select_section on targets that define
1114 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1115 unlikely_text_section instead of hot_function_section if
1116 first_function_block_is_cold.
1118 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1121 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1123 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1125 PR rtl-optimization/26222
1126 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1127 after tree->rtl expansion.
1128 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1129 before passing it to emit_move_insn.
1131 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1133 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1135 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1136 Clarify documentation.
1137 * c-common.h (warn_write_strings): Remove.
1138 * c-common.c (warn_write_strings): Likewise.
1139 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1142 2006-02-12 Roger Sayle <roger@eyesopen.com>
1145 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1146 (do_jump_parts_zero_rtx): New function renamed from
1147 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1148 (do_jump_parts_equality_rtx): New function split out from
1149 do_jump_parts_equality. Old implementation renamed as above.
1150 Call do_jump_parts_zero_rtx if either operand is zero.
1151 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1152 do all of the heavy lifting.
1153 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1154 calling either do_jump_by_parts_greater_rtx or
1155 do_jump_by_parts_equality_rtx.
1156 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1157 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1158 moved to do_compare_rtx_and_jump, call it directly.
1159 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1160 mode argument. Call do_compare_rtx_and_jump.
1161 (emit_case_nodes): Update calls to do_jump_if_equal.
1163 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1165 PR rtl-optimization/26225
1166 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1168 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1170 PR rtl-optimization/26232
1171 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1173 2006-02-11 Jason Merrill <jason@redhat.com>
1176 * tree-inline.c (declare_return_variable): Just don't use the
1177 modify target if it's a gimple complex reg and the return slot
1180 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1182 * doc/contrib.texi: Update my entry.
1184 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1186 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1188 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1190 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1193 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1195 * doc/invoke.texi (-floop-optimize2): Removed.
1196 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1197 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1198 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1199 * common.opt (floop-optimize2): Removed.
1200 (fmove-loop-invariants): Enabled by default.
1202 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1204 * tree-if-conv.c (combine_blocks): Free the result of
1205 get_loop_exit_edges.
1207 2006-02-10 Jeff Law <law@redhat.com>
1209 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1211 PR tree-optimization/26213
1212 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1213 loop trying to follow SSA_NAME_VALUE chains.
1215 2006-02-10 Richard Guenther <rguenther@suse.de>
1217 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1218 deal with structures that end in implicitly variable sized arrays.
1220 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1222 PR rtl-optimization/24762
1223 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1226 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1228 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1229 (struct ivopts_data): Add regs_used field.
1230 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1231 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1232 instead of loop_data->regs_used;
1233 (free_loop_data): Do not free aux fields for loops.
1234 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1235 and tree_ssa_iv_optimize_finalize.
1237 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1239 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1241 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1244 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1245 computing the effective result type.
1247 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1250 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1251 (tree_overlaps_hard_reg_set): Declare.
1252 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1253 type and signature to match function type expected by walk_tree.
1254 (tree_overlaps_hard_reg_set): New function.
1255 (decl_conflicts_with_clobbers_p): Rename to:
1256 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1257 Use tree_overlaps_hard_reg_set. Changed caller.
1258 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1259 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1260 * cris.c (cris_md_asm_clobbers): Likewise.
1262 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1264 * reload1.c (emit_input_reload_insns): Delete code that tries to
1265 inherit using find_equiv_reg.
1267 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1269 * c-common.h (flag_const_strings): Don't declare.
1270 * c-common.c (flag_const_strings): Remove.
1271 * c.opt (fconst_strings): Remove.
1272 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1273 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1274 (c_common_init_options): Don't set flag_const_strings.
1275 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1277 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1279 * arm.md (tlobits_cbranch): New pattern.
1280 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1281 testing a single bit.
1283 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1286 * tree-ssa-pre.c (create_component_ref_by_pieces):
1287 Handle RETURN_DECL like VAR_DECL.
1289 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1292 * fold-const.c (fold_indirect_ref_1): Fold
1293 "*(foo *)&complexfoo" to "__real__ complexfoo"
1294 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1296 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1298 * tree-flow-inline.h (var_can_have_subvars):
1299 Volatile variables should not have subvariables.
1301 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1304 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1305 multiplying unsigned values.
1308 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1310 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1312 2006-02-08 Jason Merrill <jason@redhat.com>
1315 * tree.def: Elaborate on difference from MODIFY_EXPR.
1316 * doc/c-tree.texi (INIT_EXPR): Likewise.
1317 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1318 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1319 (gimplify_target_expr): Likewise.
1320 (gimplify_cond_expr): Remove target handling.
1321 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1322 (gimplify_expr): Clobber it here.
1323 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1324 Do return slot optimization if we have an INIT_EXPR.
1327 * tree-inline.c (declare_return_variable): Also clear
1328 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1331 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1334 * gimplify.c (gimplify_one_sizepos): Fix typo.
1336 2006-02-08 Jeff Law <law@redhat.com>
1338 PR tree-optimization/21417
1339 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1340 across a backedge if the control statement at the end of the
1341 block is data dependent on other statements in the same block.
1342 (record_temporary_equivalences_from_stmts): Remove over-conservative
1343 test for threading across backedges.
1345 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1346 control statement, handle all three special cases in the same
1347 manner as they all have the same desired solution. No longer
1348 special case edge flag updating when the post dominator is
1351 2006-02-08 Roger Sayle <roger@eyesopen.com>
1353 * tree.def (CHAR_TYPE): Remove.
1354 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1355 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1356 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1357 (gen_string_type_die): Delete unreachable function.
1359 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1360 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1361 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1362 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1363 * builtins.c (type_to_class): Likewise.
1364 * fold-const.c (fold_convert, build_range_check,
1365 merge_ranges): Likewise.
1366 * expr.c (count_type_elements): Likewise.
1367 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1368 * stor-layout.c (layout_type): Likewise.
1369 * ipa-type-escape.c (type_to_consider): Likewise.
1370 * gimplify.c (omp_firstprivatize_type_sizes,
1371 gimplify_type_sizes): Likewise.
1372 * explow.c (promote_mode): Likewise.
1373 * tree-sra.c (is_sra_scalar_type): Likewise.
1374 * varasm.c (output_constant): Likewise.
1375 * tree-inline.c (remap_type_1): Likewise.
1376 * convert.c (convert_to_pointer, convert_to_real,
1377 convert_to_integer, convert_to_complex): Likewise.
1379 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1381 * df-scan.c (df_def_record_1): A set destination may
1382 be a parallel regardless of mode.
1384 2006-02-08 Roger Sayle <roger@eyesopen.com>
1387 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1388 * config/mips/_tilib.c: Remove.
1389 * config/fixtfdi.c: New libgcc source file.
1390 * config/fixunstfdi.c: New source file.
1391 * config/floatditf.c: New source file.
1392 * config/floatunditf.c: New souce file.
1393 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1394 files above instead of config/mips/_tilib.c.
1395 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1397 2006-02-08 Jeff Law <law@redhat.com>
1399 PR tree-optimization/26169
1400 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1403 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1405 * df.h (DF_REG_SIZE): Return the length of the initialized
1408 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1410 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1411 __muldf3): Return a correctly signed zero.
1413 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1415 * passes.c (register_one_dump_file): Accept the current properties
1416 instead of pass number. Adjust call to dump_register. Remove
1418 (register_dump_files): Now a wrapper around...
1419 (register_dump_files_1): ... this one. Do not modify the pass
1421 (next_pass_1): Cosmetic fix.
1422 (execute_todo): Keep second parameter only. Use curr_properties
1423 instead of fetching it from the pass structure. Check and set
1425 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1426 instead of fetching it from the pass structure. Fix calls to
1427 execute_todo. Update curr_properties and initialize .vcg RTL dump
1428 after running the pass. Reset last_verified.
1429 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1431 (FIRST_AUTO_NUMBERED_DUMP): New.
1432 (dump_register): Remove "num" parameter, assign it within the
1434 (get_dump_file_name): Modify template for dumps.
1435 * tree-dump.h (dump_register): Adjust prototype.
1436 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1437 (PROP_trees): Add PROP_gimple_lomp.
1438 (TODO_set_props): New.
1439 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1440 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1441 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1443 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1445 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1446 (sparc64-*-linux*): Likewise.
1447 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1448 * config/sparc/t-linux: New file.
1449 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1450 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1451 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1452 -m32 -mlong-double-128.
1454 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1455 * config/alpha/t-linux: New file.
1456 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1458 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1459 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1460 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1461 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1462 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1463 (CPP_ARCH32_SPEC): Remove.
1465 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1467 PR tree-optimization/26145
1468 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1471 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1474 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1475 >= 240000 when generating code for SOM runtime.
1476 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1477 to $$dyncall when generating code for SOM runtime..
1479 2006-02-07 Dirk Mueller <dmueller@suse.com>
1482 * doc/invoke.texi (-Wsequence-point): Update documentation
1483 that -Wsequence-point is implemented for C++ as well.
1485 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1487 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1488 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1489 (LIB_SPEC): Likewise.
1490 * doc/invoke.texi (SPARC options): Document -pthread.
1492 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1494 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1497 2006-02-07 Roger Sayle <roger@eyesopen.com>
1499 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1500 Correct comment describing BOOLEAN_TYPE.
1502 2006-02-07 Dirk Mueller <dmueller@suse.com>
1504 * c.opt: C++ frontend supports -Wdiv-by-zero.
1505 * c-opts.c (c_common_handle_option): Remove dead case.
1507 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1509 * configure.ac (TLS assembler check): Do not enable TLS by
1510 default on SPARC/Solaris before version 10.
1511 * configure: Regenerate.
1513 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1515 * doc/invoke.texi (xl-compat): Document conversion and support
1518 2006-02-07 Jeff Law <law@redhat.com>
1520 * tree-vrp.c (find_conditional_asserts): Update comments.
1521 (simplify_stmt_for_jump_threading): New.
1522 (identify_jump_threads, finalize_jump_threads): New.
1523 (vrp_finalize): Call identify_jump_threads.
1524 (execute_vrp): Call finalize_jump_threads.
1525 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1526 (vrp_element, vrp_data, vrp_element_p): Remove.
1527 (vrp_hash_elt, vrp_variables_stack): Remove.
1528 (vrp_hash, vrp_eq, record_range): Remove.
1529 (simplify_cond_and_lookup_avail_expr): Remove.
1530 (extract_range_from_cond): Remove.
1531 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1532 (simplify_stmt_for_jump_threading): New.
1533 (dom_thread_across_edge): New wrapper.
1534 (tree_ssa_dominator_optimize): No longer initialize or
1535 finalize any of the VRP datastructures. Remove iteration
1536 step and simplify as a result of removal of iteration step.
1537 (pass_dominator): Perform a cfg cleanup after DOM.
1538 (dom_opt_finalize_block): Use the new common routines
1539 for threading jumps. Simplify stack management slightly.
1540 No longer need to unwind VRP state.
1541 (record_equivalences_from_incoming_edge): No longer record
1543 (eliminate_redundant_computations): No longer call
1544 simplify_cond_and_lookup_avail_expr.
1545 * tree-flow.h (potentially_threadable_block): Prototype.
1546 (thread_across_edge): Likewise.
1547 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1548 (tree-ssa-threadedge.o): Add dependencies.
1549 * tree-ssa-threadedge.c: New file.
1550 * passes.c (init_optimization_passes): Merge PHIs before
1551 calling VRP. Run VRP again late in the SSA optimization pipeline.
1553 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1555 * df-core.c (df_set_blocks): Do not dereference function pointers.
1556 (df_finish1): Likewise.
1557 (df_hybrid_search_forward): Likewise.
1558 (df_hybrid_search_backward): Likewise.
1559 (df_iterative_dataflow): Likewise.
1560 (df_analyze_problem): Likewise.
1561 (df_compact_blocks): Likewise.
1562 (df_dump): Likewise.
1563 * df-scan.c (df_rescan_blocks): Likewise.
1564 (df_record_entry_block_defs): Likewise.
1566 * genconditions.c (write_conditions): Guard the definition of
1567 'insn_conditions' with the check on GCC version.
1568 (write_writer): Guard the traversal 'insn_conditions' with
1569 the check on GCC version.
1571 2006-02-07 Richard Guenther <rguenther@suse.de>
1575 2006-01-30 Richard Guenther <rguenther@suse.de>
1577 * gimplify.c (gimplify_target_expr): Handle easy cases
1578 without creating a temporary.
1580 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1582 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1583 use of float in probability computations. Use edge probabilities
1584 in place of statically computed probabilities.
1585 (min_spec_prob): New static variable.
1586 (schedule_insns): Initialize it.
1587 (GET_SRC_PROB): Removed.
1588 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1590 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1593 * config/ia64/unwind-ia64.c: Revert last change.
1594 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1595 (INCOMING_FRAME_SP_OFFSET): Define.
1597 2006-02-06 Roger Sayle <roger@eyesopen.com>
1599 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1601 2006-02-07 Ben Elliston <bje@au.ibm.com>
1603 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1604 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1605 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1606 (ix86_return_in_memory): Handle TDmode.
1607 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1608 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1610 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1612 * reorg.c (dbr_schedule): Use dump_file instead of file.
1614 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1617 * config/ia64/predicates.md (extr_len_operand): New predicate.
1618 * config/ia64/ia64.md (extv): Tighten constraints.
1620 (*tbit_and_2): Ditto.
1621 (*tbit_and_3): Ditto.
1622 (*tbit_or_2): Ditto.
1623 (*tbit_or_3): Ditto.
1627 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1630 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1632 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1634 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1635 loop_optimizer_init and loop_optimizer_finalize
1636 * tree-ssa-sink.c (execute_sink_code): Ditto.
1637 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1638 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1639 tree_ssa_loop_done): Ditto.
1640 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1641 * sched-ebb.c: Include output.h.
1642 (schedule_ebbs): Do not use dump argument.
1643 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1644 * loop.c (loop_dump_stream): Removed.
1645 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1647 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1648 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1649 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1650 loop_iterations, strength_reduce, record_biv, record_giv,
1651 final_giv_value, check_final_value, check_ext_dependent_givs,
1652 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1653 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1654 dump_file instead of loop_dump_stream.
1655 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1657 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1659 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1660 * haifa-sched.c: Include output.h
1661 (schedule_insns, sched_init): Do not use dump argument.
1662 * mode-switching.c (optimize_mode_switching): Ditto.
1663 * modulo-sched.c (stats_file): Removed.
1664 (print_node_sched_params): Do not call argument dump_file.
1665 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1666 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1668 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1670 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1671 rtl_loop_init, rtl_loop_done): Ditto.
1672 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1673 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1675 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1676 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1677 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1678 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1679 * emit-rtl.c (renumber_insns): Ditto.
1680 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1681 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1682 * regclass.c (regclass): Ditto.
1683 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1684 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1685 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1686 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1688 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1689 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1691 * gcse.c (gcse_file, debug_stderr): Removed.
1692 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1693 rest_of_handle_gcse): Do not use dump argument.
1694 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1695 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1696 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1697 compute_code_hoist_vbeinout, compute_code_hoist_data,
1698 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1699 compute_store_table, build_store_vectors, insert_insn_start_bb,
1700 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1701 store_motion): Use dump_file instead of gcse_file.
1702 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1703 * profile.c (profile_dump_file): Removed.
1704 (branch_prob): Use dump_file instead of profile_dump_file.
1705 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1707 * tree-ssa-copy.c (dump_copy_of): Ditto.
1708 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1709 dump file to life_analysis.
1710 * bt-load.c (branch_target_load_optimize): Ditto.
1711 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1713 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1714 regclass, dbr_schedule): Declaration changed.
1715 * sched-int.h (sched_init): Declaration changed.
1716 * tree-profile.c (tree_profile_dump_file): Removed.
1717 (tree_profile_hooks): Removed profile_dump_file hook.
1718 * rtl-profile (rtl_profile_dump_file): Removed.
1719 (rtl_profile_hooks): emoved profile_dump_file hook.
1720 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1722 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1723 * tree-cfg.c (build_tree_cfg): Ditto.
1724 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1725 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1726 Declaration changed.
1727 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1728 life_analysis and schedule_insns.
1729 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1731 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1733 * config/mips/mips.c (mips_reorg): Ditto.
1734 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1737 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1739 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1740 (s390_mangle_fundamental_type): New.
1741 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1744 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1745 (alpha_mangle_fundamental_type): New.
1746 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1749 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1751 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1753 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1754 (sparc_mangle_fundamental_type): New.
1756 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1758 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1759 (s390x-*-linux*): Likewise.
1760 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1761 * config/s390/t-linux: New file.
1763 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1765 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1766 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1768 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1770 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1771 (ANTIC_SAFE_LOADS): New macro.
1772 (find_or_generate_expression): Add prototype.
1773 (set_contains_value): Allow null set for sake of not always having
1774 to allocate ANTIC_SAFE_LOADS.
1775 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1776 Allow COMPONENT_REF too.
1777 (valid_in_set): Allow COMPONENT_REF.
1778 Check ANTIC_SAFE_LOADS too.
1779 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1780 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1782 (can_PRE_operation): Add COMPONENT_REF.
1783 (create_component_ref_by_pieces): New function.
1784 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1785 (insert_aux): Move AGGREGATE_TYPE_P check here.
1786 (compute_avail): Set bb local stmt uids.
1787 (pass_pre): Use TODO_update_ssa_only_virtuals.
1789 2006-02-06 Ben Elliston <bje@au.ibm.com>
1791 * configure.ac: Unconditionally disable decimal float by default.
1792 * configure: Regenerate.
1794 2006-02-06 Ben Elliston <bje@au.ibm.com>
1796 * read-rtl.c (read_name): Terminate reading on EOF.
1798 2006-02-06 Ben Elliston <bje@au.ibm.com>
1800 * dfp.c (decimal_real_arithmetic): Change second argument type
1801 from int to enum tree_code. Do not always return true, but now
1802 return result of any call to decimal_do helper functions.
1803 * dfp.h (decimal_real_arithmetic): Update prototype.
1805 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1807 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1809 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1812 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1815 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1817 * tree-vrp.c (cfg_loops): Removed.
1818 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1819 Use current_loops instead of cfg_loops. Pass flags to
1820 loop_optimizer_init.
1821 * cfgloopmanip.c (fix_loop_structure): Update only available
1823 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1824 loop_optimizer_init.
1825 * modulo-sched.c (build_loops_structure): Removed.
1826 (sms_schedule): Use loop_optimizer_init.
1827 * loop-init.c (loop_optimizer_init): Use flags to determine
1828 which properties of loops to prepare.
1829 (rtl_loop_init): Pass flags to loop_optimizer_init.
1830 * tree-ssa-sink.c (execute_sink_code): Ditto.
1831 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1832 * tree-ssa-pre.c (init_pre): Ditto.
1833 * cfgloop.h (LOOPS_NORMAL): New.
1834 (loop_optimizer_init): Declaration changed.
1836 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1838 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1839 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1841 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1843 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1845 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1846 * pa/t-pa64: Delete quadlib.c rule.
1847 * pa/x-ada: Revert last change.
1848 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1850 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1852 PR rtl-optimization/26087
1853 * rtlanal.c (canonicalize_condition): Do not cross basic block
1856 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1859 * config/ia64/ia64.c: Include debug.h.
1860 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1861 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1862 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1863 (process_epilogue, process_set, process_for_unwind_directive):
1864 Output unwind info only if requested. Add CFA info if requested.
1865 Add new arguments as needed. Adjust callers.
1866 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1868 (DWARF2_FRAME_INFO): Define to zero.
1869 * config/ia64/unwind-ia64.c: Remove code that compensated for
1870 the CFA offset error fixed above.
1871 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1872 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1873 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1874 -funwind-tables and -fexceptions to enable frame info.
1875 (dwarf2out_frame_init): Define initial CFA even if
1876 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1877 DWARF2_UNWIND_INFO is nonzero, not just defined.
1878 (dwarf2out_frame_finish): Output non-EH call frame info only
1879 if DWARF2_FRAME_INFO is nonzero.
1880 (convert_cfa_to_loc_list,
1881 compute_frame_pointer_to_cfa_displacement): Define even if
1882 unwind info is not supported.
1883 (gen_subprogram_die): Use the above unconditionally. Remove
1884 legacy alternate code.
1885 * toplev.c (compile_file): Compile in call to
1886 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1887 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1889 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1890 Jakub Jelinek <jakub@redhat.com>
1892 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1893 IBM extended float format long double as "g" on powerpc*-linux.
1895 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1898 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1899 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1901 2006-02-03 Jason Merrill <jason@redhat.com>
1904 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1907 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1908 on the return slot if it's an NRV.
1910 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1912 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1913 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1914 rewrite_use): Do not handle USE_OUTER.
1915 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1916 add_iv_outer_candidates, may_replace_final_value,
1917 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1918 (find_interesting_uses_op): Functionality of
1919 find_interesting_uses_outer_or_nonlin moved here.
1920 (find_interesting_uses_outside): Use find_interesting_uses_op.
1922 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1925 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1927 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1928 Ulrich Weigand <uweigand@de.ibm.com>
1931 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1932 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1933 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1934 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1936 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1937 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1938 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1939 Define secondary reloads for TFmode moves.
1940 (constant_modes): Add TFmode.
1941 (NR_C_MODES): Set to 8.
1942 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1944 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1945 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1946 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1947 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1948 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1949 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1950 (FPR mode macro): Add TFmode.
1951 (DSF mode macro): New.
1952 (<de>, <dee> mode attributes): Removed.
1953 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1954 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1955 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1956 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1957 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1958 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1959 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1960 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1961 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1962 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1963 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1964 "*negabs<mode>2", "sqrt<mode>2"):
1965 Changed <de> to <xde>. R constraint replaced by <Rf>.
1966 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1968 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1969 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1970 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1972 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1973 "extenddftf2", "extendsftf2"): New expanders.
1974 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1975 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1976 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1977 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1979 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1980 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1981 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1982 __floatditf): Add a GCC_4.1.0 symbol version tag.
1983 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1986 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1989 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1990 Use targetm.binds_local_p instead of TREE_PUBLIC.
1992 2006-02-02 Roger Sayle <roger@eyesopen.com>
1994 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1995 on INTEGER_TYPEs to indicate that it denotes a character type.
1996 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1997 signed_char_type_node, unsigned_char_type_node and char_type_node.
1998 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1999 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2000 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2002 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2003 Daniel Berlin <dberlin@dberlin.org>
2005 * tree-tailcall.c (arg_needs_copy_p): New function.
2006 (eliminate_tail_call): Use arg_needs_copy_p.
2007 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2008 (add_virtual_phis): New function.
2010 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2012 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2013 #ignore instead of #scratch for %g7 .register directive.
2015 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2017 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2020 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2022 * flow.c (calculate_global_regs_live): Assert that there aren't any
2025 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2027 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2029 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2030 bsi_after_labels iterator.
2031 * tree-if-conv.c (find_phi_replacement_condition,
2032 replace_phi_with_cond_modify_expr): Likewise.
2033 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2034 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2036 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2038 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2040 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2043 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2044 array after growing it.
2046 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2049 * fold-const.c (fold_checksum_tree): Change type of buf.
2051 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2053 * reload.c (push_secondary_reload): Initialize t_icode.
2055 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2057 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2058 -msoft-float -mlong-double-128 only issue a warning, but don't
2059 swich to DFmode long double.
2061 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2063 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2064 has a constant equivalent, iterate over equivalents for arg0,
2065 calling simplify_relational_operation and if there's a result
2066 cheaper than X, apply fold_rtx and return the result.
2068 2006-02-01 Jan Hubicka <jh@suse.cz>
2070 * opts.c (no_unit_at_a_time_default): New global variable.
2071 (decode_options): Use it.
2072 * opts.h (no_unit_at_a_time_default): Declare.
2074 2006-02-01 Paul Brook <paul@codesourcery.com>
2076 * function.c (assign_parm_setup_reg): Use function argument promotion
2078 * expr.c (expand_expr_real_1): Use function argument promotion rules
2081 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2083 * gcc.c (process_command): Change j to 'unsigned int'.
2085 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2088 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2089 Use the corrected index for the character
2090 out of the string constant.
2092 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2094 * mode-switching.c (optimize_mode_switching): Fix size
2095 allocated for bb_info[n_entities].
2097 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2099 * gcc.c (main): Correct type that is allocated for
2100 explicit_link_files.
2102 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2104 * config/s390/s390.c (init_alignment_context): Set
2105 ALIAS_SET_MEMORY_BARRIER on the MEM.
2106 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2108 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2111 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2113 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2116 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2118 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2119 * regrename.c: Ditto.
2120 * tree-ssa-loop-im.c: Ditto.
2121 * tree-dump.c: Ditto.
2122 * tree-complex.c: Ditto.
2123 * genrecog.c: Ditto.
2124 * tree-ssa-threadupdate.c: Ditto.
2126 * java/class.c: Ditto.
2127 * java/jcf-parse.c: Ditto.
2128 * java/resource.c: Ditto.
2129 * java/except.c: Ditto.
2130 * java/jvspec.c: Ditto.
2131 * java/jcf-write.c: Ditto.
2132 * java/jcf-path.c: Ditto.
2133 * java/gjavah.c: Ditto.
2134 * java/zextract.c: Ditto.
2135 * java/jcf-io.c: Ditto.
2136 * java/jcf.h: Ditto.
2137 * java/buffer.c: Ditto.
2138 * java/lang.c: Ditto.
2139 * java/parse-scan.y: Ditto.
2140 * java/lex.c: Ditto.
2141 * java/lex.h: Ditto.
2142 * cfgloopmanip.c: Ditto.
2143 * postreload-gcse.c: Ditto.
2144 * tree-ssa-loop-manip.c: Ditto.
2145 * postreload.c: Ditto.
2146 * tree-ssa-loop-ch.c: Ditto.
2150 * diagnostic.c: Ditto.
2152 * genoutput.c: Ditto.
2154 * cfghooks.c: Ditto.
2155 * cfgloopanal.c: Ditto.
2156 * objc/objc-act.c: Ditto.
2158 * genextract.c: Ditto.
2159 * genautomata.c: Ditto.
2160 * pretty-print.c: Ditto.
2162 * cgraphunit.c: Ditto.
2165 * haifa-sched.c: Ditto.
2166 * dominance.c: Ditto.
2168 * tree-ssa-loop-ivopts.c: Ditto.
2170 * mode-switching.c: Ditto.
2171 * modulo-sched.c: Ditto.
2173 * ipa-pure-const.c: Ditto.
2175 * fix-header.c: Ditto.
2177 * tree-stdarg.c: Ditto.
2178 * ipa-utils.c: Ditto.
2179 * loop-init.c: Ditto.
2180 * ipa-inline.c: Ditto.
2183 * alloc-pool.c: Ditto.
2184 * dwarf2out.c: Ditto.
2186 * genattrtab.c: Ditto.
2187 * tree-ssa-loop-ivcanon.c: Ditto.
2191 * fortran/gfortranspec.c: Ditto.
2193 * local-alloc.c: Ditto.
2194 * langhooks.c: Ditto.
2195 * function.c: Ditto.
2196 * tree-vectorizer.c: Ditto.
2198 * ipa-type-escape.c: Ditto.
2200 * tree-if-conv.c: Ditto.
2203 * tree-data-ref.c: Ditto.
2204 * loop-unroll.c: Ditto.
2205 * treelang/treetree.c: Ditto.
2208 * ggc-common.c: Ditto.
2210 * coverage.c: Ditto.
2212 * tree-cfgcleanup.c: Ditto.
2213 * tree-ssa-pre.c: Ditto.
2214 * cfgcleanup.c: Ditto.
2215 * loop-invariant.c: Ditto.
2217 * ipa-prop.c: Ditto.
2218 * print-tree.c: Ditto.
2219 * conflict.c: Ditto.
2220 * ggc-page.c: Ditto.
2221 * sched-deps.c: Ditto.
2222 * regclass.c: Ditto.
2223 * tree-object-size.c: Ditto.
2225 * bb-reorder.c: Ditto.
2226 * resource.c: Ditto.
2227 * var-tracking.c: Ditto.
2229 * df-problems.c: Ditto.
2230 * reg-stack.c: Ditto.
2233 * sched-rgn.c: Ditto.
2234 * tree-ssa-structalias.c: Ditto.
2235 * tree-ssa-reassoc.c: Ditto.
2236 * config/darwin-c.c: Ditto.
2237 * config/darwin.c: Ditto.
2238 * config/arm/arm.c: Ditto.
2240 * collect2.c: Ditto.
2243 2006-01-31 Nicolas Pitre <nico@cam.org>
2245 * arm.md (smaxsi3): Make aware of smax_m1.
2248 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2250 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2252 2006-01-31 Richard Guenther <rguenther@suse.de>
2254 * doc/invoke.texi (-msselibm): Document.
2255 * target.h (expand_library_builtin): New target hook.
2256 * builtins.c (expand_builtin): Use expand_library_builtin.
2257 (default_expand_library_builtin): New function.
2258 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2259 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2260 (link_gcc_math_spec): Declare.
2261 (static_specs): Add link_gcc_math_spec.
2262 * expr.h (default_expand_library_builtin): Declare.
2263 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2264 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2265 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2266 * config/i386/i386.opt (msselibm): New target option.
2267 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2268 (ix86_init_sse_abi_builtins): New function.
2269 (ix86_expand_library_builtin): Likewise.
2270 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2271 (override_options): Handle error conditions wrt -msselibm.
2272 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2273 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2274 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2277 2006-01-31 Richard Guenther <rguenther@suse.de>
2278 Paolo Bonzini <bonzini@gnu.org>
2280 * doc/install.texi (--disable-libgcc-math): Document.
2282 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2284 * expr.h (expand_normal): new inline function.
2285 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2287 * dwarf2out.c: use it.
2292 * config/sparc/sparc.c: use it.
2293 * config/i386/i386.c: use it.
2294 * config/rs6000/rs6000.c: use it.
2295 * config/arm/arm.c: use it.
2296 * config/mips/mips.c: use it.
2297 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2299 2006-01-30 Roger Sayle <roger@eyesopen.com>
2301 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2302 argv to the appropriate type.
2304 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2306 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2309 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2312 * config/s390/s390.c (struct machine_function): New flag
2313 decomposed_literal_pool_addresses_ok_p.
2314 (s390_reorg): Set it before final stage of literal pool transforms.
2315 (s390_decompose_address): Only accept displacements of the form
2316 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2318 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2320 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2321 the comparison routine return.
2323 2006-01-30 Michael Matz <matz@suse.de>
2325 * global.c (find_reg): Only evict for global regs.
2326 Take n_refs into account and dump more info.
2328 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2331 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2332 (pragma_trap, pragma_nosave_low_regs): Likewise.
2333 (current_function_anonymous_args): Likewise.
2334 (sh_deferred_function_attributes): New variable.
2335 (sh_deferred_function_attributes_tail): Likewise.
2336 (print_operand): For '@', look up trap_exit attribute.
2337 (calc_live_regs): Look up trapa_handler attribute. For trapa
2338 handlers, save/restore fpscr, but don't do any other
2339 interrupt-specific saves.
2340 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2341 Fix check for partially saved registers to check for SHmedia.
2342 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2343 (sh_output_function_epilogue): Don't clear any of the removed
2345 (sh_insert_attributes): Don't check pragma_interrupt.
2346 Insert deferred attributes. Check that interrupt attribute is
2347 present for other attributes that require its presence.
2348 (sh_attribute_table): Add new attributes trapa_handler and
2350 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2351 Don't check for pragma_interrupt. Don't store argument.
2352 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2353 (sh_deferred_function_attributes): Declare.
2354 (sh_deferred_function_attributes_tail): Likewise.
2355 * sh.md (sp_switch_1): Add operand. Change generator caller.
2356 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2357 (*return_i): Don't use when trap_exit attribute is in effect.
2358 (*return_trapa): New insn pattern.
2360 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2361 setting c_target_objs and cxx_target_objs.
2362 * t-sh: Add rule for sh-c.o.
2364 2006-01-30 Richard Guenther <rguenther@suse.de>
2367 * gimplify.c (gimplify_target_expr): Handle easy cases
2368 without creating a temporary.
2370 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2372 * vec.h (safe_grow): Remove duplicated line.
2374 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2377 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2378 (expand_omp): ... here.
2379 (expand_omp_parallel): Only remove barriers for combined
2380 parallel+workshare constructs.
2382 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2386 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2387 * tree.c (build_qualified_type): Chain the new type to the original
2388 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2389 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2390 (build_pointer_type_for_mode): Only return unqualified types.
2391 (build_reference_type_for_mode): Likewise.
2393 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2395 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2396 * Makefile.in (CXX_COMPAT_WARN): Define.
2397 * configure: Regenerate.
2399 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2402 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2405 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2407 * toplev.c: Fix thinko.
2409 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2410 Marcin Dalecki <martin@dalecki.de>
2412 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2413 (push_srcloc): Use XNEW.
2414 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2416 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2418 * df-core.c (df_set_blocks): Deleted all variable.
2420 2006-01-28 Ian Lance Taylor <ian@airs.com>
2422 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2423 cgraph_output_pending_asms.
2425 2006-01-28 Zack Weinberg <zackw@panix.com>
2427 * c.opt: Add -W(no-)overlength-strings.
2428 * doc/invoke.texi: Document it.
2429 * c-opts.c (c_common_handle_option): -pedantic implies
2430 -Woverlength-strings, if not explicitly disabled already.
2431 (c_common_post_options): -Woverlength-strings defaults to off, and
2432 is always off for C++.
2433 * c-common.c (fix_string_type): Issue warning about strings longer
2434 than is portable only if warn_overlength_strings. Rearrange code
2435 a little for clarity.
2436 * configure.in: Check for -Wno-overlength-strings as well before
2437 enabling -pedantic in stage 1.
2438 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2439 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2441 * genconditions.c (write_header, write_one_condition)
2442 (write_conditions, write_writer): Consolidate very long strings
2443 that were broken up to fit in C89 portable limit. Don't use
2444 printf when fputs will do.
2446 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2448 * combine.c (simplify_comparison <AND>): Check
2449 TRULY_NOOP_TRUNCATION before start using a subreg.
2451 * config/mips/mips.md (*branch_zero<mode>,
2452 *branch_zero<mode>_inverted, *branch_equality<mode>,
2453 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2454 Remove mode check from comparisons.
2456 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2458 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2460 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2462 * expmed.c (const_mult_add_overflow_p): Remove.
2463 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2465 * recog.c (validate_replace_rtx_subexp): Remove.
2466 * recog.h: Remove the prototype for
2467 validate_replace_rtx_subexp.
2469 * integrate.h: Remove the prototype for
2470 copy_decl_for_inlining.
2471 * rtl.h: Remove the prototype for mark_constant_function.
2472 * tree-vectorizer.h: Remove the prototype for
2473 vect_strip_conversion.
2475 * modulo-sched.c (create_partial_schedule,
2476 free_partial_schedule, reset_partial_schedule): Make them
2479 * hooks.c (hook_bool_rtx_int_false): Remove.
2480 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2482 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2484 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2485 and -mlong-double-128 are incompatible.
2486 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2487 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2488 (TARGET_LIBGCC2_CFLAGS): Define.
2489 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2490 (TARGET_LIBGCC2_CFLAGS): Same.
2491 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2493 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2496 * c-typeck.c (build_binary_op): Perform implicit casts of
2497 operands before shortening them.
2499 * cfgloopmanip.c (split_loop_bb): Remove.
2500 * cfgloop.h: Remove the prototype for split_loop_bb.
2502 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2503 * cfgloop.h: Remove the prototype for
2504 flow_loop_outside_edge_p.
2506 * emit-rtl.c (init_virtual_regs): Make it static.
2507 * function.h: Remove the prototype for init_virtual_regs.
2509 * recog.c (peephole2_optimize): Make it static.
2510 * recog.h: Remove the prototype for peephole2_optimize.
2512 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2514 * df-scan.c (df_record_entry_block_defs): Check if
2515 INCOMING_RETURN_ADDR_RTX is defined.
2517 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2518 Kenneth Zadeck <zadeck@naturalbridge.com>
2520 PR rtl-optimization/24762
2521 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2522 * targhooks.c (hook_void_bitmap): New hook prototype.
2523 * targhoohs.h (hook_void_bitmap): Ditto.
2524 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2525 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2526 * target.h (live_on_entry): New function pointer.
2527 * df-scan.c (df_all_hard_regs): Removed.
2528 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2529 (df_scan_free_internal): Added df->entry_block_defs.
2530 (df_scan_alloc): Ditto.
2531 (df_scan_dump): Ditto.
2532 (df_uses_record): Plumbed flag field properly thru calls.
2533 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2534 This part fixes PR24762.
2535 (df_bb_refs_record): Added code to make the frame and arg
2536 pointers live in EH blocks.
2537 (df_refs_record): Added call to df_record_entry_block_defs.
2538 (df_record_entry_block_defs): New function.
2539 * df-core.c: Added comments to describe new artifical defs.
2540 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2541 (entry_block_defs): New field in struct df.
2542 (df_all_hard_regs): Deleted.
2543 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2544 * df-problems.c (df_ru_bb_local_compute_process_def):
2545 Added code to handle artifical defs in the entry to a function.
2546 (df_ru_bb_local_compute): Ditto.
2547 (df_rd_bb_local_compute_process_def): Ditto.
2548 (df_rd_bb_local_compute): Ditto.
2549 (df_lr_bb_local_compute): Ditto.
2550 (df_ur_bb_local_compute): Ditto.
2551 (df_urec_bb_local_compute): Ditto.
2552 (df_chain_create_bb): Ditto.
2553 (df_ur_local_finalize): Removed entry.
2554 (df_urec_init): Ditto.
2555 (df_urec_local_finalize): Ditto.
2556 (df_ri_bb_compute): Added detection of last use of pseudos.
2557 * Makefile.in (df-scan.o): Updated dependencies.
2558 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2559 * config/mips/mips.c (mips_set_live_on_entry): Added.
2560 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2562 * dce.c (marked_insn_p): Added code to handle artifical defs.
2564 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2566 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2568 (_mm_cvtsi128_si64): Likewise.
2569 (_mm_cvtsd_si64): Likewise.
2570 (_mm_cvttsd_si64): Likewise.
2571 (_mm_cvtsi64_sd): Likewise.
2572 (_mm_cvtsi64_si128): Likewise.
2573 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2574 (_mm_cvtsi64_m64): Likewise.
2575 (_m_to_int64): Likewise.
2576 (_mm_cvtm64_si64): Likewise.
2577 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2578 (_mm_cvttss_si64): Likewise.
2579 (_mm_cvtsi64_ss): Likewise.
2580 (_mm_cvtss_f32): Likewise.
2582 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2584 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2585 for pragma redefine_extname.
2587 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2590 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2591 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2592 -mno-minimal-toc to previous content.
2593 (bispecs): Remove goal.
2594 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2595 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2596 compatibility aliases on powerpc-*-*gnu*.
2597 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2598 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2599 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2600 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2601 (ldblspecs): New goal.
2602 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2603 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2605 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2606 L_sf_to_tf or L_df_to_tf is defined.
2608 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2609 Alan Modra <amodra@bigpond.net.au>
2612 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2613 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2614 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2615 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2616 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2617 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2618 (rs6000_override_options): Initialize rs6000_ieeequad.
2619 Initialize TFmode format to ibm_extended_format if not
2621 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2623 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2624 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2625 (function_arg_advance): IBM long double passed in two FPRs, not
2627 (function_arg): IBM long double passed in FPRs.
2628 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2629 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2630 Only multireg GPR aligned.
2631 (rs6000_init_libfuncs): Enable IBM long double functions if not
2633 (rs6000_generate_compare): Use IBM long double compare if not
2635 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2636 (TARGET_IEEEQUAD): Define.
2637 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2638 not TARGET_IEEEQUAD.
2639 * config/rs6000/rs6000.md: Enable TFmode patterns if
2641 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2642 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2643 and -mlong-double-128 are incompatible.
2644 * doc/invoke.texi (-mabi): Collect options together. Add
2645 ibmlongdouble and ieeelongdouble.
2647 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2649 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2651 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2652 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2653 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2654 * rtl.h (rtunion_def): Remove rt_ptr.
2656 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2657 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2658 * config/i386/winnt.c (i386_pe_mark_dllexport)
2659 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2661 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2663 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2665 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2669 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2670 pthread_key_delete. From John David Anglin. gthrw-ify
2671 pthread_getunique_np only if it it's not a macro. Delete
2673 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2674 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2675 __gthread_objc_condition_signal, __gthread_key_delete): Add
2676 "__attribute__ ((__unused__))" to unused arguments.
2677 (__gthread_recursive_mutex_init_function): Add missing return.
2678 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2679 gthr-posix95.h: Use macro-based approach for name redirection
2680 on targets missing weakref.
2682 2006-01-26 Zack Weinberg <zackw@panix.com>
2684 * genconditions.c (write_header): In generated code, #ifdef out
2685 all includes and fake declarations, except includes of bconfig.h
2686 and system.h, unless GCC_VERSION >= 3001. Do not include
2687 gensupport.h in any case.
2688 (write_conditions): Generate a definition of struct c_test. Add
2689 a comment to the generated #endif.
2690 (write_one_condition): Escape backslashes in string too.
2691 (write_writer): Generated code must escape backslashes and quote
2692 marks (but not newlines) in the strings it writes.
2693 * Makefile.in (build/gencondmd.o): Update dependencies.
2695 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2698 * Makefile.in (insn-automata.o): Add header file dependencies.
2699 * genautomata.c: Add includes.
2701 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2704 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2706 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2708 * configure.ac: Expect target tools paths to be passed from the toplevel
2709 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2711 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2713 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2716 * c.opt (Wpointer-sign): Init to -1.
2717 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2718 OPT_pedantic, to 0 otherwise.
2719 * doc/invoke.texi: Update.
2721 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2723 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2724 constants provided by 80387 instructions in the destination mode.
2726 2006-01-26 Richard Guenther <rguenther@suse.de>
2727 Andrew Pinski <pinskia@physics.uc.edu>
2730 partial PR tree-opt/17064
2731 * tree-ssa-structalias.c (intra_create_variable_infos):
2732 Create heap variables for incoming parameters if
2733 flag_argument_noalias > 1.
2734 (find_what_p_points_to): Look through default defs of
2737 2006-01-26 Jeff Law <law@redhat.com>
2740 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2741 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2742 within the VR_RANGE, use the VR_RANGE as the result, not the
2744 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2745 bounds for the type.
2747 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2749 * tree-ssa-alias.c (maybe_create_global_var): Change
2750 subvar walking to an assertion that we don't have subvar'd variables.
2752 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2755 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2756 Use a new variable, inner. PARM_DECLs are always non-weak.
2758 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2760 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2763 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2765 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2767 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2769 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2770 (smax_insn, smin_insn, smax_0, smin_0): New.
2772 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2775 * config/cris/cris.c (cris_order_for_addsi3): New function.
2776 * config/cris/cris-protos.h: Prototype it.
2777 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2778 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2779 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2780 (split for "op.S1 [rx=rx+i],ry (swapped)")
2781 (split for "op(s|u).S1 [rx=rx+i],ry")
2782 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2783 Apply cris_order_for_addsi3 when generating addsi3 insns.
2785 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2787 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2788 (TREE_BLOCK): Add call to EXPR_CHECK.
2790 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2793 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2794 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2795 (dump_omp_clauses): ... here.
2796 (dump_generic_node): Handle OMP_CLAUSE.
2797 * tree.c (omp_clause_num_ops): New.
2798 (omp_clause_code_name): New.
2799 (tree_code_size): Handle OMP_CLAUSE.
2800 (tree_size): Likewise.
2801 (make_node): Document handling of OMP_CLAUSE.
2802 (tree_node_structure): Handle OMP_CLAUSE.
2803 (omp_clause_check_failed): New.
2804 (omp_clause_range_check_failed): New.
2805 (omp_clause_operand_check_failed): New.
2806 (build_omp_clause): New.
2807 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2808 * tree.h (enum omp_clause_code): Declare.
2809 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2810 (OMP_CLAUSE_RANGE_CHECK): Define.
2811 (OMP_CLAUSE_ELT_CHECK): Define.
2812 (omp_clause_check_failed): Declare.
2813 (omp_clause_operand_check_failed): Declare.
2814 (omp_clause_range_check_failed): Declare.
2815 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2816 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2817 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2818 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2819 (OMP_CLAUSE_IF_EXPR): Likewise.
2820 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2821 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2822 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2823 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2824 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2825 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2826 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2827 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2828 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2829 (OMP_CLAUSE_CODE): Define.
2830 (OMP_CLAUSE_SET_CODE): Define.
2831 (OMP_CLAUSE_CODE): Define.
2832 (OMP_CLAUSE_OPERAND): Define.
2833 (struct tree_omp_clause): Declare.
2834 (union tree_node): Add field 'omp_clause'.
2835 * treestruct.def (TS_OMP_CLAUSE): Define.
2836 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2837 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2838 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2839 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2840 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2841 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2842 (OMP_CLAUSE): Define.
2843 * print-tree.c (print_node): Handle OMP_CLAUSE.
2844 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2845 * c-typeck.c: Likewise.
2846 * gimplify.c: Likewise.
2847 * c-omp.c: Likewise.
2848 * tree-nested.c: Likewise.
2849 * tree-inline.c: Likewise.
2850 * c-parser.c: Likewise.
2851 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2854 2006-01-25 Roger Sayle <roger@eyesopen.com>
2856 PR rtl-optimization/25703
2857 * combine.c (try_combine): Handle zero_extract and strict_low_part
2858 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2860 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2862 * global.c: Fix comment typos.
2864 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2867 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2868 Use output_addr_const instead of assemble_name.
2870 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2872 * Makefile.in (sched-vis.o): Update dependencies.
2873 * haifa-sched.c (sched_finish): Clear current_sched_info.
2874 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2875 (dump_flow_info): Call it.
2876 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2878 * basic-block.h (dump_bb_info): Declare.
2879 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2880 option, and apply options only for dump files whose TDF_RTL,
2881 TDF_TREE, or TDF_IPA bits match.
2882 * rtl.h: Declare new functions exported from sched-vis.c.
2883 * sched-vis.c: Enable also if scheduling is not used.
2884 (print_value): Print the mode of registers if not inside scheduling.
2885 (print_insn): Make it work outside the scheduler. Beautify the output
2887 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2889 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2891 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2892 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2893 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2894 depending on the value of CONSTANT_POOL_ADDRESS_P.
2895 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2897 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2898 rather than SYMBOL_REF_DECL.
2899 (rtx_constant_pool): Remove const_rtx_sym_htab.
2900 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2901 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2902 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2903 Remove handling of const_rtx_sym_htab.
2904 (find_pool_constant): Delete.
2905 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2906 rather than find_pool_constant.
2907 (get_pool_constant_for_function): Delete.
2908 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2910 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2911 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2912 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2913 (SYMBOL_REF_CONSTANT): New macro.
2914 (get_pool_constant_for_function): Delete.
2915 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2916 rather than SYMBOL_REF_DECL.
2917 (i386_pe_mark_dllimport): Likewise.
2918 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2919 rather than SYMBOL_REF_DECL.
2920 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2921 (machopic_indirect_call_target): Likewise.
2923 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2925 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2927 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2929 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2931 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2933 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2935 2006-01-24 David Daney <ddaney@avtrex.com>
2938 * configure.ac (enable_tls): New enable option.
2939 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2940 * configure: Regenerate.
2941 * doc/install.texi (--enable-tls): Document new option.
2942 (--disable-tls): Ditto.
2944 2006-01-24 Richard Henderson <rth@redehat.com>
2946 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2947 * alias.c (true_dependence): Respect it.
2948 (canon_true_dependence, write_dependence_p): Likewise.
2949 * builtins.c (get_builtin_sync_mem): Set it.
2951 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2953 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2956 2006-01-24 DJ Delorie <dj@redhat.com>
2958 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2959 for storing constants in single-bit bitfields.
2961 2006-01-25 Ben Elliston <bje@au.ibm.com>
2963 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2965 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2968 * tree-ssa-pre.c (phi_translate): Return NULL
2969 for AGGREGATE_TYPE's.
2971 2006-01-24 Zack Weinberg <zackw@panix.com>
2973 * genautomata.c (process_state_for_insn_equiv_partition):
2974 Use xcalloc for insn_arcs_array.
2975 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2976 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2978 2006-01-24 Richard Henderson <rth@redhat.com>
2980 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2983 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2985 PR rtl-optimization/25890
2986 PR rtl-optimization/25905
2987 * combine.c (expand_compound_operation, expand_field_assignment):
2988 Fail if the bitfield's final position is out of bounds.
2990 2006-01-24 Ian Lance Taylor <ian@airs.com>
2993 * cgraphunit.c (cgraph_output_in_order): Don't clear
2994 cgraph_asm_nodes until after asm strings have been output.
2996 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2998 * fix-header.c (read_scan_file): Add new parameter imultilib when
2999 calling register_include_chains.
3001 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3003 * omp-low.c: Update documentation.
3005 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3006 Daniel Berlin <dberlin@dberlin.org>
3010 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3011 return from the function.
3013 2006-01-22 Zack Weinberg <zackw@panix.com>
3015 * rtl.def (match_code): Add second argument.
3016 * genpreds.c (write_extract_subexp): New function.
3017 (write_match_code): Add path argument. Use write_extract_subexp.
3018 (write_predicate_expr): Pass path to write_match_code.
3019 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3020 not perform a mode test.
3021 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3022 a subexpression does not constrain the top-level code set.
3023 * read-rtl.c (read_rtx_variadic): New function.
3024 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3025 * doc/md.texi: Document new notation.
3026 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3027 (cmpsi_operand): ... here, using new notation.
3029 2006-01-22 Zack Weinberg <zackw@panix.com>
3031 * varray.c: Remove GENERATOR_FILE #ifdefs.
3033 2006-01-22 Zack Weinberg <zackw@panix.com>
3035 * genautomata.c (output_reserved_units_table): Emit nothing if
3036 description->query_units_num is zero. Remove extra blank line.
3037 (output_cpu_unit_reservation_p): Short circuit
3038 if description->query_units_num is zero.
3040 2006-01-22 Zack Weinberg <zackw@panix.com>
3042 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3043 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3044 nor any of the random handful of variables that used to be necessary
3045 when this program was linked with rtlanal.o. Prune set of forward
3046 function declarations.
3047 (struct attr_desc): Remove static_p field.
3048 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3049 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3050 (attr_string): Do not read the character one past the length of
3052 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3053 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3054 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3055 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3056 (make_automaton_attrs): New.
3057 (main): Do not call into genautomata. Call local gen_bypass
3058 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3059 Remove special case for insn_alts.
3060 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3061 varray.h (leftover from previous change). Prune set of forward
3062 function declarations. Remove state_alts fields from all
3063 structures. Remove state_alts_table from struct automaton.
3064 Make everything except main static. Do not maintain num_dfa_decls.
3065 Do not maintain state_alts fields of various structures.
3066 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3067 (add_arc): Remove state_alts argument. All callers updated.
3068 (output_reserved_units_table): Emit #ifdef here...
3069 (output_tables): ...not here. Don't generate state_alts tables.
3070 (expand_automata): Don't generate attributes.
3071 (write_automata): Don't generate state_alts functions.
3072 (main): New function.
3073 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3074 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3075 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3076 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3077 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3078 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3079 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3080 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3082 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3083 * genattrtab.h: Delete file.
3084 * Makefile.in (OBJS-common): Add insn-automata.o.
3085 (insn-automata.o): New rule.
3086 (simple_generated_c): Add insn-automata.c.
3087 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3088 (genprogmd): Add automata.
3089 (build/genattrtab): Needs no extra objects nor libraries.
3090 (build/genautomata): Needs build/vec.o and -lm.
3092 2006-01-22 Zack Weinberg <zackw@panix.com>
3094 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3095 (output_dfa_max_issue_rate, locked_states_num): Delete.
3096 (struct automaton): Add locked_states field.
3097 (output_dead_lock_vect): Save number of locked states in
3098 automaton->locked_states. If it is zero, don't print anything.
3099 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3100 (output_internal_dead_lock_func): Only test the dead_lock_vect
3101 for automata that have locked states.
3102 (output_statistics): Always print the number of locked states for
3103 each automaton. Calculate total number of locked states here.
3104 (write_automata): Don't call output_dfa_max_issue_rate.
3105 * genattrtab.c: Define length_unit_log as a const variable.
3106 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3107 max_insn_queue_index const.
3108 * final.c (length_unit_log): Declare const.
3109 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3111 2006-01-22 Zack Weinberg <zackw@panix.com>
3113 * genautomata.c: Include vec.h, not varray.h.
3114 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3115 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3116 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3117 VEC_* macros operating on appropriately typed vectors, or to
3118 malloced arrays when the size is known in advance. Const-ify
3119 many char* variables and function arguments. No functional changes.
3120 * Makefile.in (build/varray.o): Delete rule.
3121 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3122 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3124 2006-01-22 Zack Weinberg <zackw@panix.com>
3126 * gensupport.c: Define get_insn_name and record_insn_name here.
3127 (read_md_rtx): Call record_insn_name as appropriate.
3128 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3129 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3130 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3132 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3133 (BUILD_VARRAY): Delete.
3134 (genprognormal): Rename genprogmd. Fold in all programs from
3135 genprognoprint; also attrtab.
3136 (build/genattrtab): Just mention genautomata.o and varray.o.
3137 Reorganize a bit, add comments to make the categories clearer.
3139 2006-01-22 Zack Weinberg <zackw@panix.com>
3141 * genconditions.c (condition_table, add_condition): Delete.
3142 (write_conditions): Don't emit n_insn_conditions nor
3143 insn_elision_unavailable. Issue the gcc version #ifdef here,
3144 inside the table, with no #else clause ...
3145 (write_header): ...not here.
3146 (write_writer): New function.
3147 (main): Don't initialize condition_table. Use add_c_test.
3149 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3150 files on the command line.
3151 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3152 Return -1 if there is no entry in the table, don't abort.
3153 (add_c_test, traverse_c_tests): New functions.
3154 * gensupport.h (insn_elision_unavailable, insn_conditions)
3155 (n_insn_conditions): Delete declarations.
3156 (add_c_test, traverse_c_tests): Declare.
3157 * read-rtl.c: Include gensupport.h.
3158 (read_conditions): New function.
3159 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3160 (read_rtx_1): If we get EOF when we were looking for an initial
3161 open paren, return 0. Call read_conditions when appropriate.
3162 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3163 dummy-conditions.o. Eliminate references to insn-conditions.o,
3164 or change them to build/gencondmd.o, as appropriate. Remove
3165 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3166 from $(simple_generated_c). For all files remaining in those
3167 two lists, add insn-conditions.md to the generator command line.
3168 Give insn-constants.h/s-constants their own rules. Add rules
3169 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3170 (build/read-rtl.o): Depend on gensupport.h.
3171 (genprognormal): Include preds.
3172 (genprogearly): Rename genprognoprint; only difference is now that
3173 they don't link with $(BUILD_PRINT).
3174 * dummy-conditions.c: Delete.
3176 2006-01-22 Zack Weinberg <zackw@panix.com>
3178 * genextract.c: Don't include insn-config.h. Do include vec.h.
3179 Declare vectors of int, char, and locstr.
3180 (locstr): New typedef.
3181 (struct extraction): Make all array fields into bare pointers.
3182 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3183 (insn_code_number): Delete.
3184 (accum_extract): New struct.
3185 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3186 (gen_insn): Take insn_code_number as an argument. Use an
3187 accum_extract structure instead of loading data directly into
3188 a struct extraction, and having to know how big it might get.
3189 (walk_rtx): Operate entirely on an accum_extract structure.
3190 (print_path): Avoid unnecessary use of printf.
3191 (print_header): New function, split out of main. Distinguish
3192 more carefully between an unrecognizable insn and an insn that
3193 has the code number of a define_expand.
3194 (main): Pass insn_code_number to gen_insn. Call print_header
3195 only after parsing. Avoid unnecessary use of printf.
3196 * Makefile.in (build/vec.o): New rule.
3197 (build/genextract): Depend on build/vec.o.
3198 (build/genextract.o): Don't depend on insn-config.h.
3200 2006-01-22 Zack Weinberg <zackw@panix.com>
3202 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3203 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3204 practical. Eliminate per-generator-program link rules.
3206 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3209 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3210 with a call expr to ...
3211 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3213 2006-01-23 Richard Guenther <rguenther@suse.de>
3215 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3216 before make_edge with conditional EDGE_TRUE_VALUE.
3218 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3219 Jan Hubicka <jh@suse.cz>
3220 Richard Guenther <rguenther@suse.de>
3222 PR rtl-optimization/25654
3223 * cfgexpand.c (aggregate_contains_union_type): New function.
3224 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3225 for structure variables that contain a union type.
3227 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3229 * gengtype.c (new_structure): Return the structure.
3230 (create_option): Add an extra "next" argument.
3231 (create_field): New function.
3232 (adjust_field_rtx_def): Use create_option and create_field.
3233 Remove a now-unnecessary call to find_structure.
3234 (adjust_field_tree_def): Likewise.
3235 (note_yacc_type): Remove an unnecessary call to find_structure.
3236 * gengtype.h (new_structure): Return the structure.
3237 (create_option): Add an extra argument.
3238 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3239 (option): Adjust calls to create_option.
3241 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3243 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3245 2006-01-22 Paul Brook <paul@codesourcery.com>
3246 Peter Barada <peter@the-baradas.com>
3248 * config/m68k/m68k.md: Add Coldfire FPU support.
3249 Define FP mode macro and associated attributes.
3250 Use it for float mode patterns.
3251 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3252 (LIBCALL_VALUE): Use m68k_libcall_value.
3253 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3254 (m68k_function_value): Ditto.
3255 (emit_move_sequence): Ditto.
3256 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3257 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3258 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3259 (MULTILIB_EXCEPTIONS): Ditto.
3260 * config/m68k/m68k.opt: Add mcfv4e.
3261 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3262 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3263 (m68k_output_function_prologue): Save ColdFire FPU registers.
3264 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3265 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3266 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3267 ColdFire FPU registers.
3268 (m68k_libcall_value, m68k_function_value): New functions.
3269 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3270 (LIBCALL_VALUE): Use m68k_libcall_value.
3271 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3272 (MASK_COLDFIRE): Add MASK_CFV4E.
3273 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3274 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3275 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3276 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3277 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3278 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3279 * doc/invoke.tex: Document -mcfv4e on m68k.
3281 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3283 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3286 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3289 * c-opts.c (c_common_handle_option): Don't include
3290 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3291 * doc/invoke.texi (C++ Dialect Options): Document that
3292 -Wnon-virtual-dtor is no longer included in -Wall.
3294 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3296 * gcov.c (print_version), gcov-dump.c (print_version),
3297 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3300 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3302 * df-scan.c (problem_SCAN): Added NULL reset function.
3303 (df_scan_reset_blocks): Added code to call reset block function
3304 (df_bb_refs_delete) Fixed comment.
3305 (df_insn_refs_delete): Made tolerant of deleting non existent info
3306 for dataflow problems that need to be reset.
3307 * df-core.c (df_set_blocks): Ditto.
3308 * df.h (struct df_problem): Added reset_fun.
3309 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3310 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3311 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3312 functions to clear out all references to def-use or use-def chains.
3314 2006-01-21 Ben Elliston <bje@au.ibm.com>
3316 * varasm.c (assemble_real): Initialise data array.
3318 2006-01-20 Paul Brook <paul@codesourcery.com>
3320 Merge from csl-arm-branch.
3321 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3322 * config/arm/arm.md (movdi): Force operands[1] to a register
3323 if we have a non-register source.
3324 (*arm_movdi, *movdf_soft_insn): Require that one of the
3325 operands be a register.
3326 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3327 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3329 2006-01-20 DJ Delorie <dj@redhat.com>
3331 * varasm.c (initialize_constant_valid_p): Allow pointers
3332 initialized from integer constants of lesser precision.
3333 (output_constant): Allow non-int-sized pointer modes to be
3334 initialized from integer constants.
3336 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3339 * cppdefault.h (struct default_include): Add multilib flag.
3340 * cppdefault.c (cpp_include_defaults): Set it.
3341 * c.opt (-imultilib): New option.
3342 * c-opts.c (imultilib): New.
3343 (c_common_handle_option): Handle -imultilib.
3344 (c_common_post_options): Likewise.
3345 * c-incpath.c (add_standard_paths, register_include_chains):
3347 * c-incpath.h (register_include_chains): Add extra parameter.
3348 * gcc.c (do_spec_1): Generate -imultilib option.
3349 (The Specs Language): Update %I description.
3350 (process_command): Update copyright notice.
3351 * doc/cppopts.texi (-imultilib): Document.
3352 * doc/invoke.texi (-imultilib): Include in option summary.
3353 (%I): Update specs documentation.
3355 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3357 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3359 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3361 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3364 2006-01-20 Richard Guenther <rguenther@suse.de>
3365 Steven Bosscher <stevenb.gcc@gmail.com>
3367 PR rtl-optimization/24626
3368 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3369 EDGE_TRUE_VALUE if in RTL mode.
3372 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3373 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3375 2006-01-20 Dirk Mueller <dmueller@suse.com>
3378 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3379 instead of a special NOP marker.
3380 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3381 NOP marker handling.
3382 * c-common.h (empty_body_warning): Add forward declaration.
3383 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3384 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3386 2006-01-20 Paul Brook <paul@codesourcery.com>
3388 * Makefile.in (lang_checks): Keep going if mkdir fails.
3390 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3392 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3393 be able to clean out basic block when not necessary.
3394 (df_scan_free): Fixed to properly delete information if df is
3395 unused before calling df_finish.
3396 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3397 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3399 (df_bb_refs_delete): New function.
3400 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3401 * df-core.c (df_set_blocks): Added code to properly clean out
3402 unused blocks if they are not part of the blocks to consider.
3403 Added additional null check.
3404 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3405 be able to clean out basic block when not necessary
3406 * df.h (df_free_bb_function): Ditto.
3407 (df_bb_refs_delete): New function.
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