1 2006-04-12 Roger Sayle <roger@eyesopen.com>
3 * expr.c (emit_group_store): Correct operand order in call to
4 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7 2006-04-12 Richard Guenther <rguenther@suse.de>
9 * profile.c (compute_branch_probabilities): Remove code
10 encapsulated in !ir_type (), which are remanents of the
11 removed RTL profiling code.
12 * rtl-profile.c: Remove.
14 2006-04-12 Alan Modra <amodra@bigpond.net.au>
16 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
17 magic NULL_RTX comment.
18 (function_arg): Store entire fp arg to mem if any part should go
20 (rs6000_arg_partial_bytes): Adjust for above change.
22 2006-04-11 Roger Sayle <roger@eyesopen.com>
24 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
25 if it hasn't been initialized by dwarf2out_init.
27 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
29 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
30 symbolic constants in branch patterns.
32 2006-04-11 Roger Sayle <roger@eyesopen.com>
34 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
36 2006-04-11 Richard Sandiford <richard@codesourcery.com>
38 PR rtl-optimization/27073
39 * gcse.c (try_replace_reg): Revert last change. Continue to search
40 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
43 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
45 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
46 aggregate types other than record and union types.
47 (function_arg): Likewise.
48 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
50 (function_value): In 64-bit mode, return objects that require it
53 2006-04-11 Roger Sayle <roger@eyesopen.com>
55 * dwarf2out.c (premark_used_types): Remove problematic prototype.
57 2006-04-11 Jakub Jelinek <jakub@redhat.com>
59 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
61 2006-04-03 Jeff Law <law@redhat.com>
64 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
65 alias information too.
67 2006-04-10 Mike Frysinger <vapier@gentoo.org>
69 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
71 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
74 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
75 (premark_used_types_helper): New.
76 (premark_used_types): New.
77 (gen_subprogram_die): Call premark_used_types.
78 (prune_unused_types_walk): Do not prune perennial dies.
79 * function.c (used_types_insert): New.
80 * function.h (struct function): Add used_types_hash field.
81 (used_types_insert): Add prototype.
82 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
83 * c-parser.c (c_parser_cast_expression): Save casted types in used
86 2006-04-11 Mark Mitchell <mark@codesourcery.com>
89 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
90 rs6000_explicit_options.float_gprs.
92 2006-04-10 Roger Sayle <roger@eyesopen.com>
94 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
95 from ix86_expand_vector_init_low_nonzero. Take an additional
96 one_var argument indicating which element is non-zero. Support
97 one_var != 0 for V4SFmode and V4SImode by permuting the result.
98 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
99 with one_var instead of ix86_expand_vector_init_low_nonzero.
101 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
103 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
104 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
105 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
106 build/genextract.o): Depend on vecprim.h.
107 * cfglayout.c, df-problems.c, function.c, genextract.c,
108 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
109 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
113 2006-04-10 Geoffrey Keating <geoffk@apple.com>
115 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
116 Declare VECs of this type.
117 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
118 (remove_children): Delete.
119 (add_dwarf_attr): Use VEC routines.
120 (add_AT_flag): Update for changes to add_dwarf_attr.
121 (add_AT_int): Likewise.
122 (add_AT_unsigned): Likewise.
123 (add_AT_long_long): Likewise.
124 (add_AT_vec): Likewise.
125 (add_AT_string): Likewise.
126 (add_AT_die_ref): Likewise.
127 (add_AT_fde_ref): Likewise.
128 (add_AT_loc): Likewise.
129 (add_AT_loc_list): Likewise.
130 (add_AT_addr): Likewise.
131 (add_AT_lbl_id): Likewise.
132 (add_AT_lineptr): Likewise.
133 (add_AT_macptr): Likewise.
134 (add_AT_offset): Likewise.
135 (add_AT_range_list): Likewise.
136 (get_AT): Use VEC_iterate.
137 (remove_AT): Use VEC_ordered_remove.
138 (free_die): Fold remove_children into here; have it use VEC_iterate.
139 (print_die): Use VEC_iterate on attrs.
140 (reverse_die_lists): Don't reverse attr lists.
141 (die_checksum): Use VEC_iterate on attrs.
142 (same_die_p): Likewise.
143 (output_location_lists): Likewise.
144 (build_abbrev_table): Likewise.
145 (size_of_die): Likewise.
146 (unmark_all_dies): Likewise.
147 (output_abbrev_section): Likewise.
148 (output_die): Likewise.
149 (prune_unused_types_walk_attribs): Likewise.
151 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
153 * doc/install.texi (*-*-solaris2*): Point to the configure page.
155 2006-04-10 Jakub Jelinek <jakub@redhat.com>
158 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
160 2006-04-09 Roger Sayle <roger@eyesopen.com>
162 * expr.c (store_constructor): Don't bother clearing target if
163 we're about to assign a vector to it using vec_init_optab.
165 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
167 * tree-ssa-alias.c (lhs_may_store_to): New function.
168 (recalculate_used_alone): Handle LHS of calls.
170 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
174 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
175 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
176 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
177 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
178 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
179 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
180 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
181 stubs. Add ".align 8" directives before all ".dword" directives.
182 (GTHREAD_USE_WEAK): Revise comment.
183 (TARGET_ATTRIBUTE_WEAK): Define.
184 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
185 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
186 * stublib.c: New file.
191 * pa.md (cbranch patterns): Revise arguments used in calls to
192 output_cbranch, output_bb and output_bvd. Add long branch length
194 (fbranch patterns): Handle long branches.
195 (jump): Revise length check. Revise arguments for output_lbranch call.
196 Add long branch length attributes.
197 (decrement_and_branch_until_zero): Add long branch length attributes.
198 (output_movb, output_parallel_addb and output_parallel_movb patterns):
199 Likewise. Revise arguments for output_parallel_addb and
200 output_parallel_movb calls.
201 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
202 output_parallel_movb and output_parallel_addb): Update prototypes.
203 * pa.c (output_cbranch): Revise arguments. Correct handling of
204 nullification in long branches.
205 (output_lbranch): Add new argument to control extraction of delay
207 (output_bb): Handle long branches.
208 (output_bvb, output_dbra, output_movb, output_parallel_movb,
209 output_parallel_addb): Likewise.
211 2006-04-09 Richard Sandiford <richard@codesourcery.com>
213 PR rtl-optimization/27073
214 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
217 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
219 * tree.h (tree_memory_tag): Add old_used_alone.
220 (SMT_OLD_USED_ALONE): New macro.
221 * tree-ssa-alias.c (recalculate_used_alone): Stop
222 marking things for renaming unnecessarily.
224 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
226 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
227 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
228 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
229 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
230 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
231 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
232 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
233 spelling convensions.
234 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
235 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
236 typos. Follow spelling conventions.
238 2006-04-07 DJ Delorie <dj@redhat.com>
240 * config/m32c/m32c.c (m32c_function_arg): Structures are always
242 (m32c_init_cumulative_args): When a function returns a structure,
243 always pass the pointer to that return area on the stack.
244 (m32c_function_arg_advance): Don't increment the parameter number
245 if we're processing the returned structure pointer.
246 (pushm_info): Reverse order of registers.
248 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
250 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
251 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
252 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
253 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
255 * tree-chrec.c (chrec_fold_multiply_poly_poly,
256 chrec_fold_multiply): Same.
257 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
258 force_expr_to_var_cost): Same.
259 * tree-mudflap.c (mf_xform_derefs_1): Same.
260 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
262 2006-04-07 David Edelsohn <edelsohn@gnu.org>
264 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
265 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
268 2006-04-07 Jan Hubicka <jh@suse.cz>
270 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
272 2006-04-07 Richard Guenther <rguenther@suse.de>
274 PR tree-optimization/26135
275 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
276 loads for store copy-prop.
277 (copy_prop_visit_stmt): Likewise.
279 2006-04-05 Robert Millan <robertmh@gnu.org>
281 * gcc/config/i386/linux.h: Add a comment to mark macros that are
282 being overriden in config/k*bsd-gnu.h.
283 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
285 * gcc/config/knetbsd-gnu.h: Ditto.
287 2006-04-06 Jan Hubicka <jh@suse.cz>
291 * coverage.c (coverage_checksum_string): Reorganize loop to not read
294 2006-04-06 Mike Stump <mrs@apple.com>
296 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
297 for HAVE_nonlocal_goto to be consistent.
298 (expand_builtin_nonlocal_goto): Likewise.
299 (expand_builtin_strcmp): Use #ifdef instead of #if
300 for HAVE_cmpstrnsi to be consistent.
302 2006-04-05 DJ Delorie <dj@redhat.com>
304 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
307 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
309 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
310 got-relative addressing for anything but SImode.
312 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
313 even if the calling function doesn't modify them.
315 2006-04-05 Richard Guenther <rguenther@suse.de>
317 PR tree-optimization/26919
318 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
319 to cgraph_estimate_size_after_inlining.
321 2006-04-05 Alan Modra <amodra@bigpond.net.au>
323 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
325 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
327 PR tree-optimization/26996
328 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
329 VECTOR_TYPE variables.
331 2006-04-05 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/26763
334 * fold-const.c (fold_comparison): Move folding of
335 PTR + CST CMP PTR + CST ...
336 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
338 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
340 * doc/install.texi (Prerequisites): Refine some wording on
341 bootstrapping and ksh.
342 Move the version numbers of DejaGnu here from the testing section
343 and fix casing of names.
344 Fix markup and clarify wording for autogen requirements.
345 Refer to GCJ instead of just java.
346 Refer to SVN instead of CVS.
347 Describe diffutils as useful instead of necessary.
348 (Downloading the source): Refer to SVN instead of CVS.
349 Adjust a link to our web site accordingly.
350 (Configuration): Fix casing of Bison.
351 (Building): Refer to SVN instead of CVS.
352 Fix a sentence on the use of Bison and remove duplicate (and
353 incorrect) version number of Bison requirement.
354 Remove one redundant list of packages needed for building.
355 (Specific): Avoid reference to CVS.
357 2006-04-04 Eric Christopher <echristo@apple.com>
359 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
360 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
361 (rs6000_handle_struct_attribute): New.
362 (rs6000_ms_bitfield_layout_p): Ditto.
364 2006-04-04 Geoffrey Keating <geoffk@apple.com>
366 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
367 NULL for dso parameter to atexit_common.
369 2006-04-04 Eric Christopher <echristo@apple.com>
371 * config/i386/i386.c (machopic_output_stub): Output \t
372 between instructions and operands.
374 2006-04-04 David Edelsohn <edelsohn@gnu.org>
376 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
377 satisfies_constraint_[IL] to explicit tests on value.
379 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
381 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
382 set_nb_iterations_in_loop): Use build_int_cst instead of
384 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
385 build_int_cst instead of convert.
387 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
389 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
390 new value 2 for incoming.
391 * function.c (expand_function_start): Call struct_value_rtx
393 * config/sparc/sparc.md: Comment updated_return.
394 * config/sparc/sparc.opt: Add -mstd-struct-return option.
395 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
396 struct return if sparc_std_struct_return and incoming is 2.
397 (print_operand): Do not adjust return if
398 sparc_std_struct_return.
400 2006-04-04 Roger Sayle <roger@eyesopen.com>
402 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
403 convert in the middle-end.
404 * expr.c (store_expr, store_constructor, get_inner_reference,
405 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
407 * tree.c (build_range_type): Likewise.
409 2006-04-04 Tom Tromey <tromey@redhat.com>
411 * doc/install.texi (Prerequisites): Mention jar.
413 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
415 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
418 2006-04-04 Matthias Klose <doko@debian.org>
420 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
422 2006-04-03 Geoffrey Keating <geoffk@apple.com>
424 * doc/extend.texi (Function Attributes): Rewrite visibility
425 attribute documentation.
426 * doc/invoke.texi (C++ Dialect Options): Rewrite
427 -fvisibility-inlines-hidden documentation to describe something
428 entirely different, although in practise compatible.
429 (Code Gen Options): Warn about system headers in -fvisibiltity=
432 * doc/extend.texi (Other Builtins): Document that
433 __builtin_nan is a compile-time constant only when its argument
436 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
438 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
439 trying to remove TRUNCATE check if all bits outside the new mode
440 are identical to the sign bit.
442 2006-04-03 Jeff Law <law@redhat.com>
444 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
445 and operand scanning in some common cases.
447 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
448 Dale Johannesen <dalej@apple.com>
451 * regclass.c (struct reg_pref): Update documentation.
452 (regclass): Set prefclass to NO_REGS if memory is the best option.
453 (record_reg_classes): Cope with a prefclass set to NO_REGS.
454 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
455 into account. For non-registers, equate an empty preferred
456 reload class to a `!' in the constraint; move the if clause to
457 do so after those that reject the insn.
458 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
460 (find_dummy_reload): Likewise.
461 * doc/tm.texi (Register Classes): Document what it means
462 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
463 * config/i386/i386.c (ix86_preferred_reload_class): Force
464 using SSE registers (and return NO_REGS for floating-point
465 constants) if math is done with SSE.
466 (ix86_preferred_output_reload_class): New.
467 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
468 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
469 * config/i386/i386.md: Remove # register preferences.
471 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
474 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
475 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
477 (instantiate_parameters_1): Convert the operands before calling
478 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
479 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
481 2006-04-02 Roger Sayle <roger@eyesopen.com>
483 * builtins.c (dummy_object): Use build_int_cst instead of convert.
484 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
486 * dojump.c (do_jump): Likewise.
487 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
488 * gimplify.c (gimple_boolify, gimplify_init_constructor,
489 gimplify_boolean_expr): Likewise.
490 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
491 * varasm.c (array_size_for_constructor): Likewise.
492 * tree-object-size.c (compute_object_offset): Likewise.
494 2006-04-02 Roger Sayle <roger@eyesopen.com>
497 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
498 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
500 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
502 PR tree-optimization/26939
503 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
505 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
507 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
508 at_stmt. Convert the type of operands before calling
509 build_polynomial_chrec.
510 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
512 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
513 (instantiate_parameters_1): Convert the type of operands before calling
514 build_polynomial_chrec.
515 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
516 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
517 reset_evolution_in_loop): Insert asserts to check the types of the
519 (chrec_type): Moved...
520 (eq_evolutions_p): Use operand_equal_p.
521 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
522 the types of the operands.
523 (chrec_type): ...here.
524 * tree-data-ref.c (create_data_ref): Convert the operands before
525 calling chrec_replace_initial_condition.
526 (same_access_functions, analyze_subscript_affine_affine,
527 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
528 (compute_subscript_distance, analyze_ziv_subscript,
529 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
530 analyze_miv_subscript): Convert the operands before calling
531 chrec_fold_minus or chrec_fold_plus.
533 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
535 * tree-data-ref.c (compute_all_dependences): Use a pointer to
536 the dependence_relations vector.
537 (compute_data_dependences_for_loop): Adjust call to
538 compute_all_dependences.
540 2006-04-01 Roger Sayle <roger@eyesopen.com>
541 Richard Henderson <rth@redhat.com>
543 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
544 gimple_boolify on the condition before calling gimplify_expr.
546 2006-03-31 Bob Wilson <bob.wilson@acm.org>
548 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
549 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
550 the frame size. Update to use the new macros.
551 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
552 * config/xtensa/ieee754-df.S: Likewise.
554 2006-03-31 Richard Henderson <rth@redhat.com>
556 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
557 (make_edges): ... here. Control fallthru creation with a local
558 variable. Do not play with fake edges.
559 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
560 (make_goto_expr_edges): Don't play with fake edges. Make for_call
563 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
565 * dwarf2.h (DW64_CIE_ID): Define.
566 * dwarf2out.c (DWARF_CIE_ID): Define.
567 (output_call_frame_info): Output 0xffffffff before standard 8-byte
568 length header. Use DWARF_CIE_ID.
569 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
570 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
572 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
574 * config/sh/linux-atomic.asm: New file.
575 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
577 2006-03-31 DJ Delorie <dj@redhat.com>
579 * config/m32c/cond.md: Set condition flags properly throughout.
580 * config/m32c/minmax.md: Likewise.
581 * config/m32c/prologue.md: Likewise.
582 * config/m32c/bitops.md: Likewise.
583 * config/m32c/muldiv.md: Likewise.
584 * config/m32c/mov.md: Likewise.
585 * config/m32c/addsub.md: Likewise.
586 * config/m32c/m32c.md: Likewise.
587 * config/m32c/jump.md: Likewise.
588 * config/m32c/shift.md: Likewise.
590 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
591 conditionally output the pattern for this.
592 * config/m32c/m32c.c (flags_needed_for_conditional): New.
593 (m32c_compare_redundant): New.
594 (m32c_output_compare): New.
595 * config/m32c/m32c-protos.h (m32c_output_compare): New.
597 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
598 dest, not src. Allow other 4-byte modes.
600 2006-03-30 Denis Chertykov <denisc@overta.ru>
602 * doc/md.texi: Refer to avr/constraints.md instead of
605 2006-03-30 Roger Sayle <roger@eyesopen.com>
607 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
608 signed vs. unsigned comparison failures on some hosts.
610 2006-03-31 Alan Modra <amodra@bigpond.net.au>
613 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
614 change to FLOAT_REGS.
616 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
617 (rs6000_override_options): Use it.
618 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
619 only for -mabi=spe/no-spe and -mabi=altivec.
621 2006-03-30 Geoffrey Keating <geoffk@apple.com>
623 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
626 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
628 * Makefile.in: Rename docdir to gcc_docdir.
630 2006-03-30 Roger Sayle <roger@eyesopen.com>
633 * expr.c (emit_group_store): Optimize group stores into a pseudo
634 register by using a paradoxical subreg to initialize the destination
635 if the first or last member of the group specifies a "low part".
637 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
640 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
641 * target.h (struct gcc_target.speculate_insn): Change type of the
642 second parameter to 'int'.
643 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
644 the second operand of the DEPS_LIST.
645 (copy_DEPS_LIST_list): Update reference to the second operand of the
647 * rtl.h (alloc_DEPS_LIST): Update signature.
648 * sched-int.h (ds_t): Change typedef to 'int'.
649 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
651 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
653 * haifa-sched.c (try_ready): Change condition to restore
654 non-speculative pattern of the instruction.
655 (process_insn_depend_be_in_spec): Code to keep probability of the
656 speculative dependence non-decreasing.
658 2006-03-30 Jie Zhang <jie.zhang@analog.com>
660 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
661 (single_move_for_movmem): ... this. Also change all uses.
662 (bfin_expand_strmov): Renamed to...
663 (bfin_expand_movmem): ... this. Also change all uses.
664 * config/bfin/bfin.md (movstrsi): Renamed to...
667 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
669 PR tree-optimization/26830
671 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
672 (copy_prop_visit_stmt): Remove write-only variable ann.
673 (init_copy_prop): Check variable loop depth here. Do not simulate
674 memory-tag and virtual operand PHIs except for store copy prop.
676 2006-03-30 Richard Guenther <rguenther@suse.de>
678 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
679 variants with double arguments.
681 2006-03-29 David Edelsohn <edelsohn@gnu.org>
683 * genpreds.c (write_tm_constrs_h): Delete variable p.
684 * genconditions.c (write_header): Add tm-constrs.h to included
686 * genpeep.c (main): Add toplev.h to included headers.
687 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
688 (build/genpeep.o): Add toplev.h dependency.
689 * config/rs6000/constraints.md: Add "W" constraint.
691 2006-03-29 Roger Sayle <roger@eyesopen.com>
693 * stor-layout.c (mode_for_size_tree): Remove restiction on type
694 sizes by correctly testing whether the size fits a host integer.
695 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
696 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
697 SImode range for the default sizetype and bitsizetype.
699 2006-03-29 Roger Sayle <roger@eyesopen.com>
701 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
702 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
703 quickly if the argument is already of the correct type.
704 Call fold_build1 instead of build1. Tidy up blank lines.
706 2006-03-29 David Edelsohn <edelsohn@gnu.org>
708 * genemit.c (main): Add tm-constrs.h to included headers.
709 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
710 * genpeep.c (main): Add tm-constrs.h to included headers.
711 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
712 (write_tm_constrs_h): this and write complete file.
713 (write_tm_preds_h): Do not emit satisfies_constraint fns.
714 (write_insn_preds_c): Add tm-constrs.h to included headers.
715 (gen_constrs): New variable.
716 (parse_option): Parse "-c".
717 (main): Invoke write_tm_constrs_h.
718 * genrecog.c (write_header): Add tm-constrs.h to included headers.
719 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
720 (object_out_file): Add tm-constrs.h dependency.
722 (insn-output.o): Same.
724 (insn-preds.o): Same.
725 (insn-recog.o): Same.
726 (tm-constsr.h): New target.
727 (s-constrs-h): New target.
729 * config/rs6000/constraints.md: New file.
730 * config/rs6000/rs6000.c: Include tm-constrs.h.
731 (num_insn_constant_wide): Convert to satisfies_constraint.
732 (rs6000_rtx_costs): Convert to satisfies_constraint.
733 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
734 (CONST_OK_FOR_LETTER_P): Delete.
735 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
736 (EXTRA_CONSTRAINT): Delete.
737 (EXTRA_MEMORY_CONSTRAINT): Delete.
738 (EXTRA_ADDRESS_CONSTRAINT): Delete.
739 * config/rs6000/predicates.md: Convert to satisfies_constraint.
740 * config/rs6000/rs6000.md: Include constraints.md. Convert to
741 satisfies_constraint.
743 * config/i386/i386.c: Include tm-constrs.h.
745 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
747 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
748 * tree-data-ref.c (find_data_references_in_loop,
749 compute_data_dependences_for_loop): Use pointers to VEC.
750 (analyze_all_data_dependences): Adjust calls.
751 * tree-data-ref.h (find_data_references_in_loop,
752 compute_data_dependences_for_loop): Adjust declarations.
753 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
754 compute_data_dependences_for_loop.
756 2006-03-29 Paul Brook <paul@codesourcery.com>
758 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
761 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
763 PR tree-optimization/26859
764 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
766 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
767 for the step after fold_convert.
769 2006-03-29 Paul Brook <paul@codesourcery.com>
771 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
772 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
774 2006-03-29 Paul Brook <paul@codesourcery.com>
777 * targhooks.c (default_narrow_bitfield): New fuction.
778 * targhooks.h (default_narrow_bitfield): add prototype.
779 * target.h (gcc_target): Add narrow_volatile_bitfield.
780 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
781 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
782 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
783 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
785 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
787 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
789 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
790 (NR_C_MODES): Add TDmode, DDmode and SDmode.
791 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
792 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
793 (s390_function_arg_float): Allow SDmode and DDmode values to be
794 passed in floating point registers.
795 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
796 check with SCALAR_FLOAT_MODE_P.
797 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
799 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
801 PR tree-optimization/25985
802 * tree-ssa-loop-niter.c (number_of_iterations_le,
803 number_of_iterations_ne): Make comments more precise.
804 (number_of_iterations_cond): Add only_exit argument. Use the
805 fact that signed variables do not overflow only when only_exit
807 (loop_only_exit_p): New.
808 (number_of_iterations_exit): Pass result of loop_only_exit_p to
809 number_of_iterations_cond.
811 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
813 PR tree-optimization/26643
814 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
817 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
819 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
820 (divsi3_i4_int): Likewise.
822 2006-03-28 Roger Sayle <roger@eyesopen.com>
824 * expr.c (emit_group_store): Only create a new pseudo reg if the
825 quantity it needs to hold isn't already a suitable pseudo.
827 2006-03-28 Jeff Law <law@redhat.com>
829 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
830 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
832 2006-03-28 Roger Sayle <roger@eyesopen.com>
834 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
835 the equivalent ~X & Y, and the symmetry related transformations.
836 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
837 ~X & Y, and symmetry related transforms.
839 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
841 Revert my 2006-03-27 patches.
843 2006-03-28 Roger Sayle <roger@eyesopen.com>
845 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
846 ~(T1)X, when T1 and T2 are integer types of the same precision
847 and (T2)X isn't an extension.
849 2006-03-28 Jeff Law <law@redhat.com>
851 PR tree-optimization/26796
852 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
853 need EH edge cleanups rather than purging them immediately.
854 (eliminate_degenerate_phis): Handle queued EH cleanups.
856 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
858 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
861 2006-03-27 Roger Sayle <roger@eyesopen.com>
864 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
865 cast BIT_NOT_EXPR operand to the correct type.
867 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
869 * tree-loop-linear.c: Don't include varray.h.
870 (gather_interchange_stats, try_interchange_loops,
871 linear_transform_loops): Use VEC instead of VARRAY.
872 * lambda-mat.c: Don't include varray.h.
873 * tree-chrec.c: Same.
874 * lambda-trans.c: Same.
875 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
876 VEC instead of VARRAY.
877 * tree-vectorizer.h: Idem.
878 * tree-data-ref.c (dump_data_references,
879 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
880 initialize_data_dependence_relation, finalize_ddr_dependent,
881 compute_all_dependences, find_data_references_in_loop,
882 compute_data_dependences_for_loop, analyze_all_data_dependences,
883 free_dependence_relation, free_dependence_relations,
884 free_data_refs): Idem.
885 * tree-data-ref.h (data_reference_p, subscript_p): New.
886 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
887 VEC instead of VARRAY.
888 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
889 (find_data_references_in_loop, compute_data_dependences_for_loop,
890 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
891 dump_data_dependence_relations, free_dependence_relations,
892 free_data_refs): Adjust declaration.
893 (lambda_transform_legal_p): Move declaration here...
894 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
895 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
896 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
897 vect_analyze_data_refs): Use VEC instead of VARRAY.
898 * lambda.h (lambda_transform_legal_p): ...from here.
899 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
900 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
901 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
902 tree-chrec.o): Don't depend on VARRAY_H.
904 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
906 * rtl.def (Copyright): Update date.
907 (DEPS_LIST): Change type of the second operand to 'int'.
908 * target.h (Copyright): Update date.
909 (struct gcc_target.speculate_insn): Change type of the second parameter
911 * lists.c (Copyright): Update date.
912 (alloc_DEPS_LIST): Change signature. Update reference to the second
913 operand of the DEPS_LIST.
914 (copy_DEPS_LIST_list): Update reference to the second operand of the
916 * rtl.h (Copyright): Update date.
917 (alloc_DEPS_LIST): Update signature.
918 * sched-int.h (Copyright): Update date.
919 (ds_t): Change typedef to 'int'.
920 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
922 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
924 * haifa-sched.c (Copyright): Update date.
925 (try_ready): Change condition to restore non-speculative pattern
927 (process_insn_depend_be_in_spec): Code to keep probability of the
928 speculative dependence non-decreasing.
930 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
932 * regrename.c (replace_oldest_value_addr): Initialize a variable to
933 shut up the compiler.
935 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
937 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
938 to use lib prefix for target.
939 ($(T)libic_invalidate_array_4-200.a): Likewise.
940 ($(T)libic_invalidate_array_4a.a): Likewise.
942 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
943 J"orn Rennecke <joern.rennecke@st.com>
945 * superh.opt: New file.
946 * sh.c (boardtype, osruntime): Remove.
947 * superh.h (SUBTARGET_OPTIONS): Remove.
948 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
950 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
951 arguments with ^ and/or [].
953 * config.gcc (sh-*-*): Add quoting to account for quirk of
955 Replace == with = in enable_incomplete_targets test.
957 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
958 with MASK_LITTLE_ENDIAN.
960 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
961 * config/sh/sh.opt: Added to some comments.
962 * config/sh/superh.h: Removed some chaff.
964 * config/sh/sh.opt: Add m4-[1234]00* options.
965 * config/sh/sh.c (sh_handle_option): Likewise.
966 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
967 (ic_invalidate_array_4-100.o): New rule.
968 ($(T)libic_invalidate_array_4-100.a): Likewise.
969 (ic_invalidate_array_4-200.o): Likewise.
970 ($(T)libic_invalidate_array_4-200.a): Likewise.
971 (ic_invalidate_array_4a.o): Likewise.
972 ($(T)libic_invalidate_array_4a.a): Likewise.
973 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
974 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
976 * config/sh/crt1.asm: Merged in profiling code.
977 * config/sh/superh.h (STARTFILE_SPEC): Override.
978 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
979 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
980 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
982 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
983 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
984 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
986 * sh.opt (mpretend-cmove): New option.
987 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
988 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
989 (movsicc): Add TARGET_PRETEND_CMOVE code.
991 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
993 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
994 s390_class_max_nregs): New function prototypes.
995 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
996 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
997 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
998 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1000 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1002 * dwarf2out.c (add_location_or_const_value_attribute): Call
1003 tree_add_const_value_attribute if nothing else works.
1004 (reference_to_unused): New.
1005 (rtl_for_decl_init): Use reference_to_unused to decide whether
1006 to output an initializer.
1008 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1011 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1012 peephole removing spe frob_di_df_2.
1014 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1016 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1017 (subscript_dependence_tester_1): Declared.
1018 (print_dir_vectors, print_dist_vectors): New.
1019 (debug_data_dependence_relation): New.
1020 (dump_data_dependence_relation): Print more details.
1021 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1022 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1023 (save_dist_v, save_dir_v, add_outer_distances,
1024 build_classic_dist_vector_1): New.
1025 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1026 Don't test for lambda_vector_lexico_pos.
1027 (same_access_functions, add_multivariate_self_dist,
1028 add_other_self_distances, dir_from_dist): New.
1029 (build_classic_dir_vector): Replace implementation almost identical to
1030 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1032 (subscript_dependence_tester_1): New.
1033 (subscript_dependence_tester): Handle the lexicographically negative
1034 distance vectors by recomputing the dependence relation.
1035 (compute_affine_dependence): Remove parameter loop_nest_depth.
1036 (compute_self_dependence): Don't call compute_subscript_distance.
1037 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1038 Add a parameter for the loop_nest.
1039 (find_loop_nest_1, find_loop_nest): New.
1040 (compute_data_dependences_for_loop): Compute the loop nest, and give
1041 up if the nest is not well formed.
1042 * tree-data-ref.h (loop_p): New.
1043 (struct data_dependence_relation): Replace size_vect field with
1044 loop_nest, a vec of loops.
1045 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1046 (DDR_LOOP_NEST): New.
1047 (print_dir_vectors, print_dist_vectors,
1048 debug_data_dependence_relation): Declared.
1049 (index_in_loop_nest): New.
1050 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1051 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1054 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1056 * simplify-rtx.c (simplify_relational_operation): Call
1057 simplify_relational_operation_1 even if mode is VOIDmode.
1059 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1061 PR tree-optimization/26804
1062 * tree.h (DECL_CALL_CLOBBERED): New macro.
1063 (tree_decl_common): Add call_clobbered_flag.
1064 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1065 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1066 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1067 (mark_non_addressable): Ditto.
1068 * tree-ssa.c (verify_call_clobbered): New function.
1069 (verify_alias_info): Use it.
1070 * tree-pass.h (pass_reset_cc_flags): New prototype.
1071 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1072 (reset_cc_flags): New function.
1073 * passes.c (init_optimization_passes): Call reset_cc_flags after
1074 initializing referenced_vars.
1076 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1077 Roger Sayle <roger@eyesopen.com>
1080 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1081 to 1.0 for non-real operands. Implement A / A optimization for
1084 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1086 * config/i386/i386.c (size_cost): Correct the comment for
1087 cost of storing fp registers.
1088 (i386_cost): Likewise.
1089 (i486_cost): Likewise.
1090 (pentium_cost): Likewise.
1091 (pentiumpro_cost): Likewise.
1092 (k6_cost): Likewise.
1093 (athlon_cost): Likewise.
1094 (k8_cost): Likewise.
1095 (pentium4_cost): Likewise.
1096 (nocona_cost): Likewise.
1097 (generic64_cost): Likewise.
1098 (generic32_cost): Likewise.
1100 2006-03-24 Denis Chertykov <denisc@overta.ru>
1102 * config/avr/avr-protos.h (extra_constraint): Delete.
1103 (extra_constraint_Q): New declaration.
1104 * config/avr/constraints.md: New file.
1105 * config/avr/avr.md: Include it.
1106 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1107 (TMP_REGNO, ZERO_REGNO): Likewise.
1108 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1109 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1110 (extra_constraint): Delete.
1111 (extra_constraint_Q): Test for memory constraint 'Q'.
1112 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1113 (REG_CLASS_FROM_LETTER): Delete.
1114 (CONST_OK_FOR_LETTER_P): Delete.
1115 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1116 (EXTRA_CONSTRAINT): Delete.
1117 (TMP_REGNO): Delete.
1118 (ZERO_REGNO): Delete.
1120 2006-03-24 Jeff Law <law@redhat.com>
1122 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1123 directly. Call mark_new_vars_to_rename slightly earlier.
1125 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1127 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1129 (gen_compile_unit_die): Use new language types for Objective-C and
1131 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1132 DW_LANG_C_plus_plus.
1135 * config/t-darwin (crt3.o): Work around bug 26840.
1136 * config/darwin-crt3.c: Rewrite.
1137 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1139 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1141 * doc/invoke.texi: Document -femit-class-debug-always
1142 * common.opt: Add -femit-class-debug-always.
1144 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1146 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1147 index and base register.
1148 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1149 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1150 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1151 REGNO_OK_FOR_INDEX_P.
1152 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1154 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1155 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1156 REG_OK_FOR_BASE_P): Definitions removed.
1158 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1161 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1162 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1163 set yet or weren't marked as local yet.
1165 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1167 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1170 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1172 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1173 (rs6000_legitimate_small_data_p): Delete.
1174 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1175 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1176 and make static. Add forward declaration. Update uses.
1177 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1178 of offsettable_memref_p.
1179 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1180 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1182 2006-03-24 Jeff Law <law@redhat.com>
1184 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1185 around bug in immediate-use iterator.
1187 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1190 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1191 or __LITTLE_ENDIAN__.
1193 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1195 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1196 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1197 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1198 * config/sh/sh.opt (mdiv=): Amend description.
1199 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1200 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1201 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1202 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1203 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1204 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1205 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1206 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1207 TARGET_DIVIDE_CALL_FP.
1209 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1211 * haifa-sched.c (choose_ready): Fix type of the local variable.
1212 Move local variables. Add comment.
1213 (check_reg_live): Change signature. Make callable from debugger.
1214 * sched-int.h (check_reg_live): Update signature.
1215 * sched-ebb.c (check_reg_live): Update parameters.
1216 * sched-rgn.c (check_reg_live): Ditto.
1217 (region_head_or_leaf_p): Check pointer before dereferencing.
1218 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1219 before reload on optimization levels below 1.
1221 2006-03-23 Richard Henderson <rth@redhat.com>
1223 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1227 * config/alpha/predicates.md (local_symbolic_operand): Reject
1230 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1233 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1234 expressions which have overflowed constants.
1236 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1238 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1240 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1242 * cfgloopmanip.c (create_loop_notes): Removed.
1243 * final.c (final_scan_insn): Do not handle loop notes.
1244 * jump.c (squeeze_notes): Ditto.
1245 * cfglayout.c (skip_insns_after_block,
1246 duplicate_insn_chain): Ditto.
1247 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1249 * cfgloop.h (create_loop_notes): Declaration removed.
1251 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1253 * varasm.c (output_constant_pool): Restore fnname and fndecl
1255 (assemble_start_function): Adjust call accordingly.
1256 (assemble_end_function): Likewise.
1258 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1261 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1264 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1266 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1269 * system.h (ICE_EXIT_CODE): New macro.
1270 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1271 (diagnostic_action_after_output): Likewise.
1272 * gcc.c (fatal_ice): New function.
1273 (execute): Use it instead of fatal.
1274 (fancy_abort): Likewise.
1275 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1277 2006-03-22 Jeff Law <law@redhat.com>
1279 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1280 iv_analyze_result returning false.
1282 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1284 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1286 2006-03-22 Richard Henderson <rth@redhat.com>
1289 * except.c (duplicate_eh_regions_0): New.
1290 (duplicate_eh_region_1): Duplicate the children of the node as
1291 well as the node itself. Link them up properly.
1292 (duplicate_eh_region_2): Merge into ...
1293 (duplicate_eh_regions): ... here. Take copy_region argument, and
1294 copy only a sub-tree if asked. Simplify copying and fixup.
1295 (eh_region_outer_p): New.
1296 * except.h (duplicate_eh_regions): Update decl.
1297 (eh_region_outer_p): Declare.
1298 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1299 (lower_omp_master): Likewise.
1300 (lower_omp_ordered): Likewise.
1301 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1302 (move_stmt_r): Use it to remap labels. Handle recursion vs
1303 remap_decls_p properly.
1304 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1305 (find_outermost_region_in_block): New.
1306 (new_label_mapper): New.
1307 (move_sese_region_to_fn): Copy eh information to the new function
1309 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1311 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1314 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1316 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1317 into shared libraries.
1319 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1321 * doc/md.texi: Refer to i386/constraints.md instead of
1323 * config/i386/constraints.md: New file, extracted from...
1324 * config/i386/predicates.md: ...here.
1325 * config/i386/i386.md: Include constraints.md.
1327 2006-03-21 Jason Merrill <jason@redhat.com>
1329 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1332 * expr.c (init_block_move_fn): Force default visibility.
1333 (init_block_clear_fn): Likewise.
1334 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1335 * targhooks.c (default_external_stack_protect_fail): Likewise.
1337 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1339 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1340 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1341 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1342 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1343 (loadgp): Use mips_current_loadgp_style.
1344 (loadgp_noshared): New pattern.
1345 (sibcall_internal): Use MIPS_CALL.
1346 (sibcall_value_internal): Likewise.
1347 (sibcall_value_multiple_internal): Likewise.
1348 (call_internal): Likewise.
1349 (call_value_internal): Likewise.
1350 (call_value_multiple_internal): Likewise.
1351 (call_split): Use MIPS_CALL and add an 'S' constraint.
1352 (call_value_split): Likewise.
1353 (call_value_multiple_split): Likewise.
1354 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1355 (-mshared): New option.
1356 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1357 (mips_current_loadgp_style): Declare.
1358 * config/mips/mips.c (mips_classify_symbol): Avoid using
1359 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1360 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1361 TARGET_ABSOLUTE_ABICALLS.
1362 (override_options): Adjust comments. Improve the warning that is
1363 issued when -mabicalls and -G are used together.
1364 (mips_file_start): Remove comment.
1365 (mips_current_loadgp_style): New function.
1366 (mips_gnu_local_gp): New variable.
1367 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1369 (mips_output_function_prologue): Use mips_current_laodgp_style.
1370 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1371 the cprestore instruction.
1372 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1373 live for TARGET_ABSOLUTE_ABICALLS.
1374 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1375 (ASM_SPEC): Pass down -mshared and -mno-shared.
1376 (MIPS_CALL): New macro.
1377 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1379 * doc/invoke.texi (-mabicalls): Update documentation.
1380 (-mshared): Document.
1382 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1384 * config/ia64/unwind-hpux.c: New file.
1385 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1387 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1390 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1392 2006-03-21 Jeff Law <law@redhat.com>
1394 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1395 type conversions of a VR_VARYING source to a wider type.
1397 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1399 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1400 tm_file on Solaris 10 and later.
1401 (sparc64-*-solaris2*): Likewise.
1402 (sparc-*-solaris2*): Likewise.
1403 * config/sol26.h: Rename to config/sol2-6.h.
1404 * config/sol2-10.h: New file.
1406 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1409 * tree-ssa-pre.c (create_component_ref_by_pieces):
1412 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1415 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1416 return it immediately.
1418 2006-03-21 Michael Matz <matz@suse.de>
1420 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1422 (remove_arc, add_arc): Update num_out_arcs member.
1423 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1425 (cache_presence): New function.
1426 (compare_states_for_equiv): New function.
1427 (state_is_differed): Don't take number of outargs, adjust callers.
1428 Use new invariant for speeding up.
1429 (init_equiv_class): Create initial classes based on sorted
1431 (partition_equiv_class): Don't track out_arcs_num.
1432 (evaluate_equiv_classes): Call cache_presence on all states and
1435 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1437 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1438 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1439 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1440 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1442 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1443 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1444 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1445 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1446 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1448 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1449 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1450 (REGNO_REG_CLASS): ARGP is in PREGS.
1451 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1453 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1454 to deal with those addresses.
1455 * addresses.h: New file.
1456 * caller-save.c: Include "addresses.h".
1457 (init_caller_save): Use new base_reg_class function.
1458 * rtl-factoring.c: Include "addresses.h".
1459 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1460 * recog.c: Include "addresses.h".
1461 (preprocess_constraints): Use new base_reg_class function.
1462 * regrename.c: Include "addresses.h".
1463 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1464 functions. Keep track of a new var INDEX_CODE to compute valid
1466 (replace_oldest_value_addr): Likewise.
1467 (replace_oldest_value_mem): Use base_reg_class.
1468 * reload.c: Include "addresses.h".
1469 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1470 (find_reloads): Use new base_reg_class function.
1471 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1472 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1473 all callers and prototype changed.
1474 * reload1.c: Include "addresses.h".
1475 (maybe_fix_stack_asms): Use base_reg_class.
1476 * regclass.c: Include "addresses.h".
1477 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1478 (init_reg_autoinc): Use new base_reg_class function.
1479 (record_reg_classes): Likewise.
1480 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1481 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1482 Use new args to compute necessary class.
1484 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1485 regrename.o, rtl-factoring.o): Update dependencies.
1486 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1487 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1488 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1489 REG_OK_FOR_INDEX_P): Delete documentation.
1491 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1493 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1494 from V7 to V9 for Solaris 7 and above.
1496 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1498 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1499 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1500 argument pointers may not alias any other storage.
1501 * common.opt: Define option -fargument-noalias-anything.
1502 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1503 alias semantics is specified by flag_argument_noalias > 2.
1505 2006-03-20 Jeff Law <law@redhat.com>
1507 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1508 (pass_phi_only_cprop): Declare.
1509 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1511 * tree-ssa-dom.c (degenerate_phi_result): New function.
1512 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1513 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1514 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1515 (eliminate_degenerate_phis): Likewise.
1516 (pass_phi_only_cprop): New pass descriptor.
1517 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1518 support code. Callers updated.
1519 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1520 (store_copy_prop): Likewise.
1521 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1523 2006-03-20 Jason Merrill <jason@redhat.com>
1526 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1527 (push_visibility, pop_visibility): Likewise.
1528 * c-pragma.h: Declare them.
1530 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1532 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1534 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1535 parameter and use get_ebb_head_tail.
1536 (sh_md_init_global): Adjust uses of find_regmode_weight.
1538 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1540 * function.h (struct function) <x_tail_recursion_reentry>:
1541 Rename to x_stack_check_probe_note.
1542 (tail_recursion_reentry): Rename to stack_check_probe_note.
1543 * function.c: Replace tail_recursion_reentry with
1544 stack_check_probe_note everywhere.
1545 (expand_function_start): Only emit a note for
1546 stack_check_probe_note with -fstack-protect.
1547 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1549 * emit-rtl.c (remove_unnecessary_notes): Remove.
1550 (pass_remove_unnecessary_notes): Remove.
1551 * rtl.h (remove_unnecessary_notes): Remove prototype.
1552 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1553 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1554 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1556 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1559 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1560 (valid_in_set): Handle ARRAY_REF.
1561 Change "if min_variant or VH" to asserts.
1562 (create_component_ref_by_pieces): Handle ARRAY_REF.
1563 (create_expression_by_pieces): Likewise.
1564 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1566 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1568 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1569 is operand of switch, not str[0].
1571 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1573 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1574 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1576 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1578 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1579 end of insn_extra_address_constraint declaration.
1581 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1583 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1584 (no-sum-in-toc): Same.
1585 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1587 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1588 NO_FP_IN_TOC for -fPIC instead of mask.
1590 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1591 (BOOT_LDFLAGS): Delete.
1593 * config/rs6000/t-aix52: Same.
1595 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1596 (stmsi[345678]_power): New.
1598 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1600 * config/ia64/ia64.opt: Add empty line to end of file.
1602 2006-03-17 Richard Guenther <rguenther@suse.de>
1605 * builtins.c (get_pointer_alignment): For component style references
1606 adjust alignment to the component type alignment. Make sure
1607 to adjust alignment for component access of constants.
1609 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1611 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1614 2006-03-17 Paul Brook <paul@codesourcery.com>
1616 * doc/install.texi: Docuemnt --with-mode.
1617 * config.gcc: Add --with-mode for arm*-*-*.
1618 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1620 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1622 * sh.c (max_labelno_before_reorg): New variable.
1623 (sh_reorg): Initialize it.
1624 (find_barrier): Check max_labelno_before_reorg before using
1625 label_to_alignment. Take length of explicit alignment insns
1626 into account. When seeing a UNSPECV_CONST_END, return it.
1628 * sh.c (fixup_mova): Set mode of affected label to QImode.
1629 (untangle_mova): New function.
1630 (find_barrier): Use it. Check mode of label before decrementing
1632 (sh_reorg): Likewise.
1633 Set mode of all insns back to VOIDmode.
1635 * sh.c (MOVA_LABELREF): New macro.
1636 (mova_p, fixup_mova, sh_reorg): Use it.
1637 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1638 ADDR_DIFF_VEC matches mova.
1640 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1642 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1643 with ATTRIBUTE_UNUSED.
1645 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1647 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1648 pointer, instead of assuming it is possible to derive the
1649 correct args size from a call insn.
1651 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1653 * rtl.h (CONST_INT_P): Define.
1654 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1655 instead of GET_CODE(x) == CONST_INT.
1656 (vax_rtx_costs): Likewise.
1657 (vax_output_int_move): Likewise.
1658 (vax_output_int_add): Likewise.
1659 (legitimate_constant_address_p): Likewise.
1660 (index_term_p): Likewise.
1661 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1662 * config/vax/vax.md (and<mode>3): Likewise.
1663 (ashrsi3): Likewise.
1665 (movstricthi): Likewise.
1666 (movstrictqi): Likewise.
1667 (rotrsi3): Likewise.
1668 (five unnamed insns): Likewise.
1670 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1672 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1673 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1674 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1675 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1676 Pass to ASM_OUTPUT_DWARF_OFFSET.
1677 * dwarf2out.c (debug_frame_section): New.
1678 (output_call_frame_info): Use debug_frame_section. Pass it to
1679 dw2_asm_output_offset.
1680 (output_die): Pass appropriate section to dw2_asm_output_offset.
1681 (output_compilation_unit_header): Likewise.
1682 (output_pubnames): Likewise.
1683 (output_aranges): Likewise.
1684 (enum dw_val_class): Break dw_val_class_lbl_offset into
1685 dw_val_class_lineptr and dw_val_class_macptr.
1686 (add_AT_lbl_offset): Delete.
1687 (add_AT_lineptr): New.
1688 (add_AT_macptr): New.
1689 (AT_lbl): Expect a lineptr or macptr.
1690 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1691 (attr_checksum): Likewise.
1692 (same_dw_val_p): Likewise.
1693 (size_of_die): Likewise.
1694 (value_format): Likewise.
1695 (output_die): Likewise.
1696 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1698 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1699 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1700 * config/darwin-protos.h (darwin_file_start): New.
1701 (darwin_asm_output_dwarf_offset): New.
1702 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1703 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1705 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1706 if not EH section; simplify.
1707 (darwin_file_start): New.
1708 (darwin_asm_output_dwarf_offset): New.
1709 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1711 (DEBUG_INFO_SECTION): Likewise.
1712 (DEBUG_ABBREV_SECTION): Likewise.
1713 (DEBUG_ARANGES_SECTION): Likewise.
1714 (DEBUG_MACINFO_SECTION): Likewise.
1715 (DEBUG_LINE_SECTION): Likewise.
1716 (DEBUG_LOC_SECTION): Likewise.
1717 (DEBUG_PUBNAMES_SECTION): Likewise.
1718 (DEBUG_STR_SECTION): Likewise.
1719 (DEBUG_RANGES_SECTION): Likewise.
1720 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1721 (ASM_OUTPUT_DWARF_OFFSET): New.
1723 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1725 * config.gcc (tm_defines): Always add to previous value rather
1728 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1730 * config/mips/predicates.md (splittable_const_int_operand): New,
1731 split from move_operand.
1732 (splittable_symbolic_operand): New.
1733 (move_operand): Add commentary. Use splittable_const_int_operand.
1734 Inline mips_atomic_symbolic_constant_p.
1735 * config/mips/mips.md: Add combine splitters for handling moves
1736 of splittable_const_int_operands and splittable_symbolic_operands.
1737 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1738 (mips_split_symbol): Declare.
1739 (mips_move_integer): Declare.
1740 * config/mips/mips.c (mips_split_p): Make global.
1741 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1742 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1743 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1744 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1745 (mips_offset_within_object_p): Handle block symbols.
1746 (mips_atomic_symbolic_constant_p): Delete.
1747 (mips_cannot_force_const_mem): Return false for constants that
1748 mips_legitimize_move can handle.
1749 (mips_use_blocks_for_constant_p): New function.
1750 (mips_split_symbol): Make global.
1751 (mips_move_integer): Likewise. Add a temporary register argument.
1752 (mips_legitimize_const_move): Use splittable_const_int_operand and
1753 splittable_symbolic_operand.
1754 (mips_use_anchors_for_symbol_p): New function.
1755 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1756 (mips_split_p): Declare.
1758 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1760 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1761 (mips*-*-linux*): Likewise.
1763 2006-03-16 Roger Sayle <roger@eyesopen.com>
1764 Daniel Speyer <dspeyer@wam.umd.edu>
1767 * tree-dump.c (dump_real): New function.
1768 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1769 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1770 (tree-dump.o): Add $(REAL_H) to the dependencies.
1772 2006-03-16 Roger Sayle <roger@eyesopen.com>
1775 * real.c (real_from_string): If the mantissa is zero, don't bother
1776 parsing the exponent as the result should always be zero.
1778 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1780 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1782 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1784 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1785 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1786 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1787 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1788 ia64_sched_finish_global): New static functions to implement
1789 hooks from gcc_target.sched.
1790 (spec_check_no, max_uid, pending_data_specs): New static variables.
1791 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1792 ia64_spec_check_src_p): New static functions.
1793 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1794 (TARGET_SCHED_ADJUST_COST): Removed.
1795 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1796 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1797 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1798 TARGET_SCHED_GEN_CHECK,
1799 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1800 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1801 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1802 Fixed to handle speculation checks.
1803 (rtx_needs_barrier): Fixed to handle speculative loads and
1805 (ia64_variable_issue): Added code to count speculative loads and their
1807 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1809 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1811 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1813 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1814 (ia64_reorg): Reset stops_p to NULL after it is freed.
1815 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1816 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1817 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1819 (data_speculative, control_speculative, check_load): New attributes.
1820 (mov<mode>_advanced, mov<mode>_speculative,
1821 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1822 zero_extend<mode>di2_speculative,
1823 zero_extend<mode>di2_speculative_advanced): New patterns for
1824 data and control speculative loads.
1825 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1827 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1828 New pattern for data and control speculation checks.
1829 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1830 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1831 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1832 Auxiliary definitions for the patterns.
1833 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1834 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1836 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1838 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1839 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1840 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1841 New resource constraints.
1842 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1844 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1845 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1846 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1847 msched-in-control-spec, msched-ldc, msched-control-ldc,
1848 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1849 msched-prefer-non-control-spec-insns,
1850 msched-count-spec-in-critical-path): New flags to tune speculative
1852 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1853 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1854 msched-in-control-spec, msched-ldc, msched-control-ldc,
1855 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1856 msched-prefer-non-control-spec-insns,
1857 msched-count-spec-in-critical-path): Document new flags.
1859 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1861 * target.h (struct spec_info_def): New opaque declaration.
1862 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1863 speculate_insn, needs_block_p, gen_check,
1864 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1865 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1866 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1867 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1868 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1869 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1871 (TARGET_SCHED): Use new macros.
1872 * rtl.h (copy_DEPS_LIST_list): New prototype.
1873 * sched-int.h (struct sched_info): Change signature of new_ready field,
1874 adjust all initializations. New fields: add_remove_insn,
1875 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1876 region_head_or_leaf_p.
1877 (struct spec_info_def): New structure declaration.
1878 (spec_info_t): New typedef.
1879 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1880 recovery_block, orig_pat.
1881 (glat_start, glat_end): New variables declaraions.
1882 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1884 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1885 DETACH_LIFE_INFO, USE_GLAT.
1886 (enum SPEC_SCHED_FLAGS): New enumeration.
1887 (NOTE_NOTE_BB_P): New macro.
1888 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1889 attach_life_info, debug_spec_status, check_reg_live): New functions.
1890 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1891 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1893 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1894 * ddg.c (get_block_head_tail): Adjust all uses.
1895 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1896 (sms_sched_info): Initialize new fields.
1897 (contributes_to_priority): Removed.
1898 * haifa-sched.c (params.h): New include.
1899 (get_block_head_tail): Adjust all uses.
1900 (ISSUE_POINTS): New macro.
1901 (glat_start, glat_end): New global variables.
1902 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1903 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1904 old_last_basic_block, before_recovery, current_sched_info_var,
1905 rgn_n_insns, luid): New static variables.
1906 (insn_cost1): New function. Move logic from insn_cost to here.
1907 (find_insn_reg_weight1): New function. Move logic from
1908 find_insn_reg_weight to here.
1909 (reemit_notes, move_insn, max_issue): Change signature.
1910 (move_insn1): Removed.
1911 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1912 extend_bb): New static functions to support extension of scheduler's
1914 (generate_recovery_code, process_insn_depend_be_in_spec,
1915 begin_speculative_block, add_to_speculative_block,
1916 init_before_recovery, create_recovery_block, create_check_block_twin,
1917 fix_recovery_deps): New static functions to support
1918 generation of recovery code.
1919 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1920 restore_bb_notes, move_block_after_check, move_succs): New static
1921 functions to support ebb scheduling.
1922 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1923 functions to support handling of register live information.
1924 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1925 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1926 add_jump_dependencies): New static functions.
1927 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1928 consistancy checking.
1929 (debug_spec_status): New function to call from debugger.
1930 (priority): Added code to handle speculation checks.
1931 (rank_for_schedule): Added code to distinguish speculative instructions.
1932 (schedule_insn): Added code to handle speculation checks.
1933 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1934 Fixed to handle ebbs.
1935 (move_insn): Added code to handle ebb scheduling.
1936 (max_issue): Added code to use ISSUE_POINTS of instructions.
1937 (choose_ready): Added code to choose between speculative and
1938 non-speculative instructions.
1939 (schedule_block): Added code to handle ebb scheduling and scheduling of
1940 speculative instructions.
1941 (sched_init): Initialize new variables.
1942 (sched_finish): Free new variables. Print statistics.
1943 (try_ready): Added code to handle speculative instructions.
1944 * lists.c (copy_DEPS_LIST_list): New function.
1945 * sched-deps.c (extend_dependency_caches): New function. Move logic
1946 from create_dependency_caches to here.
1947 (get_dep_weak, ds_merge): Make global.
1948 * genattr.c (main): Code to output prototype for
1949 dfa_clear_single_insn_cache.
1950 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1951 (output_dfa_clean_insn_cache_func): Code to output
1952 dfa_clear_single_insn_cache function.
1953 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1955 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1957 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1958 New static variables.
1959 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1960 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1962 (ebb_sched_info): Initialize new fields.
1963 (get_block_head_tail): Adjust all uses.
1964 (compute_jump_reg_dependencies): Fixed to use glat_start.
1965 (schedule_ebb): Code to remove unreachable last block.
1966 (schedule_ebbs): Added code to update register live information.
1967 * sched-rgn.c (region_sched_info): Initialize new fields.
1968 (get_block_head_tail): Adjust all uses.
1969 (last_was_jump): Removed. Adjust users.
1970 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1971 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1972 Implement new hooks.
1973 (check_dead_notes1): New static function.
1974 (struct region): New fields: dont_calc_deps, has_real_ebb.
1975 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1976 (BB_TO_BLOCK): Fixed to handle EBBs.
1977 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1978 (ebb_head): New static variable.
1979 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1980 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1982 (compute_dom_prob_ps): New assertion.
1983 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1984 global_live_at_start.
1985 (init_ready_list): New assertions.
1986 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1987 (new_ready): Add support for BEGIN_CONTROL speculation.
1988 (schedule_insns): Fixed code that updates register live information
1990 (schedule_region): Fixed to handle EBBs.
1991 (init_regions): Use extend_regions and check_dead_notes1.
1992 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1993 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1994 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1995 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1996 TARGET_SCHED_GEN_CHECK,
1997 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1998 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1999 * doc/invoke.texi (max-sched-insn-conflict-delay,
2000 sched-spec-prob-cutoff): Document.
2002 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2004 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2005 inter_tick, queue_index.
2006 (struct sched_info): Change signature of init_ready_list field.
2007 Adjust all initializations.
2008 (RESOLVED_DEPS): New access macro.
2009 (ready_add): Remove prototype.
2010 (try_ready): Add prototype.
2011 * sched-rgn.c (init_ready_list): Use try_ready.
2012 (schedule_region): Initialize
2013 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2014 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2015 (init_ready_list): Use try_ready.
2016 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2017 * lists.c (remove_list_elem): Remove `static'.
2018 (remove_free_INSN_LIST_elem): New function.
2019 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2020 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2021 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2023 (readyp): New variable.
2024 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2025 change_queue_index, resolve_dep): New static functions.
2026 (try_ready): New function. Adjust callers in sched-rgn.c and
2027 sched-ebb.c to use it instead of ready_add.
2028 (clock_var): Move at the begining of file.
2029 (rank_for_schedule): Fix typo.
2030 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2031 (ready_lastpos): Enforce assertion.
2032 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2034 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2035 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2036 (queue_to_ready): Use free_INSN_LIST_list.
2037 (early_queue_to_ready): Fix typo.
2038 (schedule_block): Init readyp. Move init_ready_list call after the
2039 initialization of clock_var. Fix error in rejecting insn by
2040 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2041 that previously corrected INSN_TICKs. Add code for handling
2043 (set_priorities): Fix typo.
2044 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2045 Clarify comment and code that keeps current_sched_info->next_tail
2048 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2050 * sched-rgn.c (extend_rgns): New static function.
2051 (find_rgns): Use it.
2052 (gather_region_statistics, print_region_statistics): New static
2054 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2055 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2057 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2058 Andrey Belevantsev <abel@ispras.ru>
2060 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2061 * lists.c (unused_deps_list): New variable.
2062 (free_list): Add assertions to verify the proper distinguishing
2063 between INSN_LISTs and DEPS_LISTs.
2064 (find_list_elem, remove_list_elem, remove_list_node): New static
2066 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2067 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2068 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2069 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2071 (free_INSN_LIST_node): Likewise.
2072 * modulo-sched.c (current_sched_info): Initialize flags field.
2073 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2074 * rtl.def (DEPS_LIST): Define.
2075 * rtl.h: Declare new functions from lists.c.
2076 * sched-deps.c (spec_dependency_cache): New static variable.
2077 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2078 (add_dependence): Change return type to void. Move the logic to ...
2079 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2080 (delete_all_dependences): Add comment about forward_dependency_cache.
2081 Handle spec_dependency_cache. Handle DEPS_LISTs.
2082 (fixup_sched_groups): Clarify the change of priority of output
2083 and anti dependencies.
2084 (sched_analyze_2): Adjust add_dependence calls to create data
2085 speculative dependence.
2086 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2087 Adjust all callers. Handle DEPS_LISTS.
2088 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2089 presence of speculation.
2090 (init_dependency_caches, free_dependency_caches):
2091 Handle spec_dependency_cache.
2092 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2093 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2094 New static functions.
2095 (add_or_update_back_dep, add_or_update_back_forw_dep,
2096 add_back_forw_dep, delete_back_forw_dep): New functions.
2097 * sched-int.h (ds_t, dw_t): New typedefs.
2098 (struct sched_info): Add new field flags.
2099 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2100 Prototype new sched-deps.c functions.
2101 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2102 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2103 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2104 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2105 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2106 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2108 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2110 * sched-rgn.c (current_sched_info): Initialize flags field.
2111 (schedule_insns): Initialize current_sched_info before the sched_init
2113 * sched-ebb.c (current_sched_info): Initialize flags field.
2114 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2115 Call add_or_update_back_dep instead of add_dependence.
2116 Create control speculative dependencies.
2117 (schedule_insns): Initialize current_sched_info before the sched_init
2120 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2122 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2124 (sh_fallback_frame_state): Likewise.
2126 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2128 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2129 Do switch on default_use_cxa_atexit.
2130 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2131 * config/darwin-crt3.o: New.
2132 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2133 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2134 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2136 * config/rs6000/t-darwin: Move crt2.o building to here.
2137 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2138 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2141 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2143 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2144 from '! xxx' to '!xxx' for coding-style conformance.
2145 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2146 (EXTRA_CONSTRAINT): Likewise.
2147 * config/vax/vax.md (four unnamed insns): Likewise.
2149 2006-03-15 Paul Brook <paul@codesourcery.com>
2151 * config/arm/arm.c (minipool_pad): New.
2152 (add_minipool_forward_ref): Include pool alignment padding in address
2154 (push_minipool_fix): Set minipool_pad.
2155 (minipool_pad): Ditto.
2157 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2159 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2160 instead of GET_CODE() == MEM and REG_P() instead of
2162 (print_operand_address): Likewise.
2163 (vax_address_cost): Likewise.
2164 (vax_rtx_costs): Likewise.
2165 (vax_notice_update_cc): Likewise.
2166 (vax_output_int_add): Likewise.
2167 (INDEX_REGISTER_P): Likewise.
2168 (BASE_REGISTER_P): Likewise.
2169 (nonindexed_address_p): Likewise.
2170 (vax_mode_dependent_address_p): Likewise.
2171 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2172 (PRINT_OPERAND): Likewise.
2173 * config/vax/vax.md (ashlsi3): Likewise.
2174 (ashlsi3): Likewise.
2175 (some more unnamed insns): Likewise.
2177 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2179 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2180 iterator-style macro.
2181 (mark_control_dependent_edges_necessary): Update the use of
2182 EXECUTE_IF_CONTROL_DEPENDENT.
2184 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2186 * config/sh/predicates.md (cache_address_operand): Special.
2187 (ua_address_operand): Likewise.
2189 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2191 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2193 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2195 2006-03-15 Andreas Schwab <schwab@suse.de>
2197 * gensupport.c (identify_predicable_attribute): Don't free p_false
2198 when it is still in use.
2200 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2202 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2203 the default setting here.
2205 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2207 * tree-pass.h (pass_cfg): Remove.
2208 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2209 * passes.c (pass_cfg): Don't run it.
2211 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2213 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2214 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2216 (stack_regs_mentioned): Update the uses of
2217 stack_regs_mentioned_data. Don't access the array beyond its
2219 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2220 Don't include gt-reg-stack.h.
2222 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2223 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2225 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2228 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2231 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2233 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2235 2006-03-14 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/26672
2238 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2241 2006-03-14 Richard Guenther <rguenther@suse.de>
2243 PR tree-optimization/26667
2244 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2245 node for the callees. Always allow inlining if it will shrink
2248 2006-03-14 Richard Guenther <rguenther@suse.de>
2251 * builtins.c (get_pointer_alignment): Prefer alignment
2252 information from decls over that from types.
2254 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2257 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2259 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2261 * config/rs6000/rs6000.opt (mdlmzb): New option.
2262 (msched-prolog, msched-epilog): Use Var not Mask.
2263 * doc/invoke.texi (-mdlmzb): Document.
2264 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2266 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2267 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2269 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2271 PR rtl-optimization/25739
2272 * bt-load.c (augment_live_range): Free tos pointer.
2274 * gensupport.c (identify_predicable_attribute): Free
2276 * gcov.c (create_file_names): Free name pointer.
2278 2006-03-13 Roger Sayle <roger@eyesopen.com>
2281 * stmt.c (emit_case_nodes): Handle the case where the index is a
2282 CONST_INT, where the comparison mode is specified by the index type.
2284 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2286 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2289 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2291 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2292 (*branch_fp_inverted): Likewise.
2294 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2297 * omp-low.c (expand_omp_for_generic): Mark istart0
2298 and iend0 as addressable.
2300 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2302 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2304 2006-03-13 Jeff Law <law@redhat.com>
2306 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2307 virtual operands are interesting.
2308 (vrp_visit_stmt): Corresponding changes.
2310 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2312 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2314 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2315 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2316 * config/bfin/crti.S: Use it instead of __PIC__.
2317 * config/bfin/crtn.S: Likewise.
2319 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2320 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2322 Lose 'G' modifier for call operand.
2323 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2324 recognize 'G' modifier.
2326 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2329 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2330 * stmt.c (expand_case): Likewise.
2332 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2334 PR rtl-optimization/26254
2335 * loop-invariant.c (seq_insns_valid_p): New function.
2336 (move_invariant_reg): Only emit new code if it is valid.
2338 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2340 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2342 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2343 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2344 (commit_one_edge_insertion): Do not look for loop notes.
2346 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2348 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2349 flag_test_coverage out of loop.
2351 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2353 * final.c (shorten_branches): Remove outdated comment, and turn
2354 the if branch that guards it to continue.
2356 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2358 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2359 * cfgloop.h (struct loop): Remove unused fields.
2361 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2363 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2364 (-dL, -fdump-rtl-loop2): Update the dump file names
2366 * doc/invoke.texi: Update dump file names.
2368 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2370 * predict.c (estimate_probability): Remove.
2371 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2372 * basic-block.h (estimate_probability): Remove prototype.
2373 * passes.c (finish_optimization_passes): Dump branch prediction or
2374 profiling heuristics to the .profile tree dump.
2375 (init_optimization_passes): Unqueue pass_branch_prob.
2377 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2379 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2381 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2382 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2384 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2386 * function.h (frame_offset_overflow): Declare.
2387 * function.c (frame_offset_overflow): New function.
2388 (assign_stack_local_1): Call it to detect that the offset overflows.
2389 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2391 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2393 * config/sh/sh.c: Include alloc-pool.h.
2394 (label_ref_list_pool): New alloc pool.
2395 (label_ref_list_t): New type for lists of labels.
2396 (struct pool_node): Make wend a label_ref_list_t.
2397 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2399 (dump_table): Likewise.
2400 (sh_reorg): Set up the alloc pool before using add_constant and
2401 dump_table, and destroy it when finishing.
2403 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2405 * config/mips/mips.c: Remove redundant comment.
2407 2006-03-10 Jason Merrill <jason@redhat.com>
2410 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2411 the target was declared 'register'.
2413 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2415 * genpreds.c (write_insn_constraint_len): Change definition of
2416 insn_constraint_len to return size_t to match the declaration.
2418 2006-03-10 DJ Delorie <dj@redhat.com>
2420 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2422 (m32c_expand_insv): Fix test for an AND mask.
2424 2006-03-10 Richard Guenther <rguenther@suse.de>
2427 * builtins.c (get_pointer_alignment): Handle component
2428 references for field alignment.
2430 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2432 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2433 when building with libgloss.
2434 (sh*elf): Implement --without-fp option.
2435 (sh64-superh-linux*): Don't multilib.
2437 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2439 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2441 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2443 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2444 Set it when one of the replacement functions returned true.
2445 Return TODO_cleanup_cfg if cfgchanged is true.
2446 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2448 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2450 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2451 instead of gen_lowpart.
2453 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2455 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2457 (mips_output_order_conditional_branch): Declare.
2458 * config/mips/mips.h (MIPS_BRANCH): New macro.
2459 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2460 for the comparison. Use gen_condjump.
2461 (mips_output_conditional_branch): Rework interface to take the
2462 asm templates for a direct branch and the inverse of a direct branch.
2463 (mips_output_order_conditional_branch): New function.
2464 (mips_builtin_branch_and_move): New function.
2465 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2466 branch condition. Use gen_single_cc as the condition for
2467 __builtin_mips_upper_* or __builtin_mips_lower_*.
2468 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2469 Use VOIDmode for the branch condition.
2470 * config/mips/predicates.md (order_operator): New predicate.
2471 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2472 (branch_fp): Rename to...
2473 (*branch_fp): ...this. Remove mode from comparison operator.
2474 Use new mips_output_conditional_branch interface.
2475 (branch_fp_inverted): Rename to...
2476 (*branch_fp_inverted): ...this and update as for *branch_fp.
2477 (*branch_zero<mode>): Rename to...
2478 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2479 Use mips_output_order_conditional_branch. Only accept ordered
2481 (*branch_zero<mode>_inverted): Rename to...
2482 (*branch_order<mode>_inverted): ...this and update as for
2483 *branch_order<mode>.
2484 (*branch_equality<mode>): Accept zero as the second operand to
2485 the equality operator. Use the new mips_output_conditional_branch
2487 (*branch_equality<mode>_inverted): Likewise.
2488 (condjump): New expander.
2489 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2491 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2492 (bc1any2t, bc1any2f): Likewise.
2493 (single_cc): New expander.
2494 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2496 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2498 * doc/md.texi: Update documentation of MIPS constraints.
2499 * config/mips/constraints.md: New file.
2500 * config/mips/mips.md: Include it.
2501 * config/mips/mips.c (mips_char_to_class): Delete.
2502 (override_options): Don't initialize mips_char_to_class.
2503 * config/mips/mips.h (mips_char_to_class): Delete.
2504 (REG_CLASS_FROM_LETTER): Delete.
2505 (CONST_OK_FOR_LETTER_P): Delete.
2506 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2507 (EXTRA_CONSTRAINT_Y): Delete.
2508 (EXTRA_CONSTRAINT_STR): Delete.
2509 (CONSTRAINT_LEN): Delete.
2510 (EXTRA_MEMORY_CONSTRAINT): Delete.
2512 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2514 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2515 original fn's eh regions.
2517 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2519 * fold-const.c (build_range_check): Make sure to use a valid type to
2520 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2523 (range_predecessor): New static function.
2524 (range_successor): Likewise.
2525 (merge_ranges): Use them to compute predecessors and successors of
2528 2006-03-09 Roger Sayle <roger@eyesopen.com>
2531 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2532 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2534 2006-03-08 DJ Delorie <dj@redhat.com>
2536 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2537 (addpsi3): Expand to include memory operands. Remove
2538 reload-specific splits.
2539 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2540 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2541 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2542 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2543 (shift1_qi, shift1_hi, insv): New.
2544 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2545 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2546 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2548 * config/m32c/m32c-protos.h: Update as needed.
2549 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2550 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2551 Fail for unrecognized R* constraints.
2552 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2553 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2554 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2556 (m32c_init_libfuncs): New.
2557 (m32c_legitimate_address_p): Add debug wrapper.
2558 (m32c_rtx_costs): New.
2559 (m32c_address_cost): New.
2560 (conversions): Add 'B' prefix.
2561 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2562 operands, or word regnames for QI operands. 'B' prints bit
2564 (m32c_expand_setmemhi): New.
2565 (m32c_expand_movmemhi): New.
2566 (m32c_expand_movstr): New.
2567 (m32c_expand_cmpstr): New.
2568 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2569 (m32c_expand_neg_mulpsi3): Handle non-ints.
2570 (m32c_cmp_flg_0): New.
2571 (m32c_expand_movcc): New.
2572 (m32c_expand_insv): New.
2573 (m32c_scc_pattern): New.
2574 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2575 a0/a1 out of SIregs.
2576 (STORE_FLAG_VALUE): New.
2577 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2580 * config/m32c/mov.md: Make constraints more liberal.
2581 (zero_extendqihi2): Optimize r0/r1 case.
2582 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2583 * config/m32c/predicates.md (m32c_any_operand): New.
2584 (m32c_nonimmediate_operand): New.
2585 (m32c_hl_operand): New.
2586 (m32c_r3_operand): New.
2589 (memsym_operand): New.
2590 (memimmed_operand): New.
2591 (a_qi_operand): New.
2592 (m32c_eqne_operator): New.
2593 (m32c_1bit8_operand): New.
2594 (m32c_1bit16_operand): New.
2595 (m32c_1mask8_operand): New.
2596 (m32c_1mask16_operand): New.
2597 * config/m32c/blkmov.md: New file.
2598 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2600 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2602 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2603 unsigned to fix signed/unsigned comparison issue in
2604 DWARF2_FRAME_REG_OUT.
2605 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2606 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2608 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2609 of ptr into the ENABLE_CHECKING section.
2611 2006-03-08 Jeff Law <law@redhat.com>
2613 * tree-vrp.c (infer_value_range): Only count pointer uses
2614 and dereferences if -fdelete-null-pointer-checks is enabled.
2616 * tree-vrp.c (find_assert_locations): Infer value ranges for
2617 single use pointers, but do not create ASSERT_EXPRs for them.
2618 When a non-null range is inferred for a pointer, backwards
2619 propagate that range to other equivalent pointers through the
2622 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2625 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2626 language hook targets.
2627 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2628 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2629 if language hook targets were missing.
2631 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2633 * tree-ssa-opfinalize.h: Removed.
2634 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2636 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2637 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2638 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2639 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2640 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2641 finalize_ssa_v_must_def_ops): New.
2643 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2645 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2648 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2650 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2652 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2653 addresses with offsets; reorganize.
2655 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2656 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2657 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2659 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2662 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2664 2006-03-08 Ben Elliston <bje@au.ibm.com>
2666 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2668 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2671 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2674 2006-03-07 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/26587
2677 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2679 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2681 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2683 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2685 * hooks.c (hook_bool_mode_rtx_true): New function.
2686 * hooks.h (hook_bool_mode_rtx_true): Declare.
2687 * toplev.c (compile_file): Call output_shared_constant_pool.
2688 * varasm.c (shared_constant_pool): New variable.
2689 (assemble_start_function, assemble_end_function): Remove arguments
2690 from call to output_constant_pool.
2691 (create_constant_pool): New function, split out from...
2692 (init_varasm_status): ...here.
2693 (force_const_mem): Choose between the shared and per-function constant
2694 pools. Set current_function_uses_const_pool when reusing old entries
2695 as well as when creating new ones.
2696 (mark_constant): Ignore data argument.
2697 (mark_constants): Remove pool argument.
2698 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2699 to decide whether the function uses a constant pool.
2700 (output_constant_pool_contents): New function, split out from...
2701 (output_constant_pool): ...here.
2702 (output_shared_constant_pool): New function.
2703 (init_varasm_once): Initialize shared_constant_pool.
2704 * output.h (output_constant_pool): Delete.
2705 (output_shared_constant_pool): Declare.
2706 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2707 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2709 2006-03-06 Nick Clifton <nickc@redhat.com>
2711 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2712 flag_strength_reduce.
2714 2006-03-06 Ben Elliston <bje@au.ibm.com>
2716 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2717 x86_64-*-linux* configurations.
2719 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2720 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2722 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2724 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2726 * basic-block.h: Remove the extern for
2727 rediscover_loops_after_threading.
2729 * cfgloop.c (cancel_loop): Make it static.
2730 * cfgloop.h: Remove the prototype for cancel_loop.
2732 * flow.c (recompute_reg_usage): Make it static.
2733 * rtl.h: Remove the prototype for recompute_reg_usage.
2735 * function.c (use_return_register): Make it static.
2736 * function.h: Remove the prototype.
2738 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2740 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2742 * recog.h: Remove the prototype for
2743 validate_change_maybe_volatile.
2745 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2747 * rtlanal.c (replace_reg): Remove.
2748 * rtl.h: Remove the prototype for replace_reg.
2750 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2752 * regclass.c (reg_scan_update): Remove.
2753 (reg_scan_mark_refs): Remove the last argument.
2754 * rtl.h: Remove the prototype for reg_scan_update.
2756 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2758 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2759 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2760 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2761 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2762 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2763 loop-invariant.c, omp-low.c, opts.c, passes.c,
2764 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2765 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2766 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2767 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2768 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2769 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2771 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2773 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2774 * dwarf2out.h: Remove the prototype for
2775 dwarf2out_add_library_unit_info.
2777 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2779 * tree.c (add_var_to_bind_expr): Remove.
2780 * tree.h: Remove the prototype for add_var_to_bind_expr.
2782 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2784 * regclass.c (n_non_fixed_regs): Remove.
2785 (init_reg_sets_1, globalize_reg): Remove all uses of
2787 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2789 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2791 * rtlanal.c (insns_safe_to_move_p): Remove.
2792 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2794 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2796 * expmed.c (expand_mult_add): Remove.
2797 * expr.h: Remove the prototype for expand_mult_add.
2799 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2801 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2802 and REG_SAVED_VAL_EXP constants.
2803 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2804 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2805 Handle regs stored by value.
2806 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2807 (execute_cfa_program): Handle DW_CFA_val_offset,
2808 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2809 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2810 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2811 (uw_install_context_1): Handle target regs stored by value.
2813 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2815 * tree-sra.c (tree_sra): Return todoflags;
2816 (generate_one_element): Set TODO_update_smt_usage if needed.
2817 (pass_sra): Remove TODO_update_smt_usage.
2818 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2820 (tree_ssa_forward_propagate_single_use_vars): Return
2821 TODO_update_smt_usage if we need to update SMT usage.
2822 (pass_forwprop): Remove TODO_update_smt_usage.
2824 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2826 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2827 (correct_use_link): Remove reference to get_stmt_operands.
2828 (update_stmt_operands): Likewise.
2829 (get_modify_expr_operands): New function factored out of
2830 parse_ssa_operands and get_expr_operands.
2831 Try to create V_MUST_DEFs for LHS by default.
2832 (get_expr_operands) <case MODIFY_EXPR>: Call
2833 get_modify_expr_operands.
2834 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2835 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2836 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2837 get_modify_expr_operands.
2839 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2841 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2842 * tree-flow.h: Remove the prototype for
2843 referenced_var_lookup_if_exists.
2845 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2847 PR rtl-optimization/26345
2849 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2851 2006-03-03 Roger Sayle <roger@eyesopen.com>
2853 PR tree-optimization/26524
2854 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2855 fold_convert to create a constant of the appropriate type.
2857 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2859 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2860 SYMBOL_REF_IN_BLOCK_P.
2861 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2862 of SYMBOL_FLAG_IN_BLOCK.
2863 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2864 instead of SYMBOL_REF_IN_BLOCK_P.
2865 * explow.c (use_anchored_address): Likewise.
2866 * rtl.c (rtx_size): Likewise.
2867 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2868 instead of SYMBOL_FLAG_IN_BLOCK.
2869 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2870 SYMBOL_REF_IN_BLOCK_P.
2871 (assemble_variable): Likewise.
2872 (output_constant_def_contents): Likewise.
2873 (output_constant_pool): Likewise.
2874 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2875 instead of SYMBOL_FLAG_IN_BLOCK.
2876 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2877 SYMBOL_REF_IN_BLOCK_P.
2878 (SYMBOL_REF_BLOCK): Likewise.
2879 (SYMBOL_REF_OFFSET): Likewise.
2880 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2881 SYMBOL_REF_IN_BLOCK_P.
2882 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2883 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2884 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2885 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2887 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2889 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2891 2006-03-02 Roger Sayle <roger@eyesopen.com>
2893 * simplify-rtx.c (simplify_unary_operation): When simplifying
2894 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2895 that we perform the right shift in the appropriate mode, and
2896 then extend or truncate the result to requested mode.
2898 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2900 * gengtype.c (main): Handle double_int type.
2901 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2902 * double-int.c: New file.
2903 * double-int.h: New file.
2904 * system.h: Include doubleint.h.
2905 * Makefile.in (SYSTEM_H): Include double-int.h.
2906 (double-int.o): Add.
2908 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2911 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2914 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2916 * tree-vrp.c (remove_range_assertions): Do not update statements
2919 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2921 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2923 * gcse.c (rest_of_handle_gcse): Ditto.
2924 * except.c (gate_handle_eh): Ditto.
2925 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2926 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2928 2006-03-02 Eric Christopher <echristo@apple.com>
2930 * config/i386/i386.c (machopic_output_stub): Add indirection to
2933 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2937 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2939 Sun Niagara specific optimizations.
2940 * config.gcc: Recognize niagara as target.
2941 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2942 (TARGET_CPU_niagara): Define.
2943 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2944 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2945 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2946 (ASM_CPU_SPEC): Likewise.
2947 (PROCESSOR_NIAGARA): New enum entry.
2948 (REGISTER_MOVE_COST): Handle Niagara.
2949 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2950 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2951 (sparc_override_options): Recognize "niagara", set appropriate
2952 default MASK_* values for it, and align functions to 32-bytes
2953 by default just like ULTRASPARC/ULTRASPARC3.
2954 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2955 (sparc64_initialize_trampoline): Likewise.
2956 (sparc_use_sched_lookahead): Use zero for niagara.
2957 (sparc_issue_rate): Use one for niagara.
2958 * config/sparc/niagara.md: New file.
2959 * config/sparc/sparc.md: Include it.
2960 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2961 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2962 when default cpu is niagara.
2963 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2964 (ASM_CPU_SPEC): Likewise.
2965 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2966 when default cpu is niagara.
2967 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2968 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2969 just like v9/ultrasparc/ultrasparc3.
2970 * doc/invoke.texi: Add documentation for "niagara" and improve
2971 existing documentation for ultrasparc variants.
2973 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2975 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2977 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2979 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2980 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2981 and say that only one is needed.
2982 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2983 * target.h (have_switchable_bss_sections): New hook.
2984 * explow.c (use_anchored_address): Check that the symbol is in a block.
2985 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2986 (bss_noswitch_section): New variables.
2987 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2988 (get_noswitch_section): New function.
2989 (get_block_for_section): Allow SECT to be null.
2990 (unlikely_text_section_p): Use SECTION_STYLE.
2991 (bss_initializer_p): New function.
2992 (get_variable_section): Move earlier in file. Take a new argument,
2993 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2994 Return one of the new *_sections in such cases.
2995 (get_block_for_decl): New function, extracting some logic from
2996 use_blocks_for_decl_p.
2997 (change_symbol_section): Remove in favor of...
2998 (change_symbol_block): ...this new function.
2999 (use_blocks_for_decl_p): Remove checks now performed by
3001 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3002 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3003 (emit_local, emit_bss, emit_common): ...these new functions.
3004 Return true if the alignment was honored.
3005 (emit_tls_common): New function.
3006 (asm_emit_uninitialised): Delete.
3007 (assemble_variable_noswitch): New function, split out from...
3008 (assemble_variable): ...here. Don't make decisions about common
3009 variables here. Globalize all public decls that go into non-common
3010 sections. Check whether SYMBOL_REF_BLOCK is null.
3011 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3012 (output_constant_pool): Likewise.
3013 (init_varasm_once): Initialize the new section variables.
3014 (have_global_bss_p): New function.
3015 (categorize_decl_for_section): Use bss_initializer_p.
3016 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3017 (place_block_symbol): Assert that the symbol must be in a block.
3018 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3019 (TARGET_INITIALIZER): Include it.
3020 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3021 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3022 (SECTION_MACH_DEP): Bump by two.
3023 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3024 (unnamed_section): Mention SECTION_UNNAMED in comment.
3025 (named_section): Likewise SECTION_NAMED.
3026 (noswitch_section_callback): New type.
3027 (noswitch_section): New structure.
3028 (section): Add a noswitch_section alternative.
3029 (SECTION_STYLE): New macro.
3030 (tls_comm_section, comm_section, lcomm_section): Declare.
3031 (bss_noswitch_section, have_global_bss_p): Declare.
3032 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3033 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3035 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3036 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3039 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3041 * gcc/tree-vrp.c (execute_vrp): Return value.
3042 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3043 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3044 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3045 (tree_lower_complex_O0): Ditto.
3046 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3047 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3048 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3049 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3050 (execute_tail_calls): Ditto.
3051 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3052 * gcc/tree.h (init_function_for_compilation): Ditto.
3053 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3054 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3055 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3056 * gcc/final.c (compute_alignments): Ditto.
3057 (rest_of_handle_final): Ditto.
3058 (rest_of_handle_shorten_branches): Ditto.
3059 (rest_of_clean_state): Ditto.
3060 * gcc/omp-low.c (execute_expand_omp): Ditto.
3061 (execute_lower_omp): Ditto.
3062 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3063 * gcc/ipa-reference.c (static_execute): Ditto.
3064 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3065 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3066 (rest_of_handle_machine_reorg): Ditto.
3067 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3068 * gcc/flow.c (recompute_reg_usage): Ditto.
3069 (rest_of_handle_remove_death_notes): Ditto.
3070 (rest_of_handle_life): Ditto.
3071 (rest_of_handle_flow2): Ditto.
3072 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3073 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3074 (do_ssa_store_ccp): Ditto.
3075 (execute_fold_all_builtins): Ditto.
3076 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3077 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3078 * gcc/ipa-pure-const.c (static_execute): Ditto.
3079 * gcc/cse.c (rest_of_handle_cse): Ditto.
3080 (rest_of_handle_cse2): Ditto.
3081 * gcc/web.c (rest_of_handle_web): Ditto.
3082 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3083 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3084 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3085 * gcc/tree-nrv.c (tree_nrv): Ditto.
3086 (execute_return_slot_opt): Ditto.
3087 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3088 (create_structure_vars): Ditto.
3089 * gcc/loop-init.c (rtl_loop_init): Ditto.
3090 (rtl_loop_done): Ditto.
3091 (rtl_move_loop_invariants): Ditto.
3092 (rtl_unswitch): Ditto.
3093 (rtl_unroll_and_peel_loops): Ditto.
3094 (rtl_doloop): Ditto.
3095 * gcc/gimple-low.c (lower_function_body): Ditto.
3096 (mark_used_blocks): Ditto.
3097 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3098 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3099 (cgraph_early_inlining): Ditto.
3100 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3101 * gcc/jump.c (cleanup_barriers): Ditto.
3102 (purge_line_number_notes): Ditto.
3103 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3104 (rest_of_handle_if_after_reload): Ditto.
3105 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3106 (tree_ssa_loop_im): Ditto.
3107 (tree_ssa_loop_unswitch): Ditto.
3108 (tree_vectorize): Ditto.
3109 (tree_linear_transform): Ditto.
3110 (tree_ssa_loop_ivcanon): Ditto.
3111 (tree_ssa_empty_loop): Ditto.
3112 (tree_ssa_loop_bounds): Ditto.
3113 (tree_complete_unroll): Ditto.
3114 (tree_ssa_loop_prefetch): Ditto.
3115 (tree_ssa_loop_ivopts): Ditto.
3116 (tree_ssa_loop_done): Ditto.
3117 * gcc/predict.c (tree_estimate_probability): Ditto.
3118 * gcc/recog.c (split_all_insns_noflow): Ditto.
3119 (rest_of_handle_peephole2): Ditto.
3120 (rest_of_handle_split_all_insns): Ditto.
3121 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3122 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3123 (rest_of_handle_stack_adjustments): Ditto.
3124 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3125 * gcc/function.c (instantiate_virtual_regs): Ditto.
3126 (init_function_for_compilation): Ditto.
3127 (rest_of_handle_check_leaf_regs): Ditto.
3128 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3129 (rest_of_handle_gcse): Ditto.
3130 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3131 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3132 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3133 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3134 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3135 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3136 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3137 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3138 * gcc/except.c (set_nothrow_function_flags): Ditto.
3139 (convert_to_eh_region_ranges): Ditto.
3140 (rest_of_handle_eh): Ditto.
3141 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3142 (remove_unnecessary_notes): Ditto.
3143 * gcc/except.h (set_nothrow_function_flags): Ditto.
3144 (convert_to_eh_region_ranges): Ditto.
3145 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3146 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3147 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3148 (execute_fre): Ditto.
3149 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3150 (rest_of_handle_jump2): Ditto.
3151 * gcc/tree-sra.c (tree_sra): Ditto.
3152 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3153 (execute_mudflap_function_decls): Ditto.
3154 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3155 (do_store_copy_prop): Ditto.
3156 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3157 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3158 * gcc/tree-ssa-forwprop.c
3159 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3160 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3161 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3162 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3163 (execute_late_warn_uninitialized): Ditto.
3164 * gcc/rtl.h (cleanup_barriers): Ditto.
3165 (split_all_insns_noflow): Ditto.
3166 (purge_line_number_notes): Ditto.
3167 (unshare_all_rtl): Ditto.
3168 (remove_unnecessary_notes): Ditto.
3169 (recompute_reg_usage): Ditto.
3170 (variable_tracking_main): Ditto.
3171 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3172 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3173 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3174 (execute_free_cfg_annotations): Ditto.
3175 (execute_fixup_cfg): Ditto.
3176 (execute_cleanup_cfg_pre_ipa): Ditto.
3177 (execute_cleanup_cfg_post_optimizing): Ditto.
3178 (execute_init_datastructures): Ditto.
3179 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3180 * gcc/combine.c (rest_of_handle_combine): Ditto.
3181 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3182 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3183 (rest_of_handle_reorder_blocks): Ditto.
3184 (rest_of_handle_partition_blocks): Ditto.
3185 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3186 * gcc/tree-profile.c (tree_profiling): Ditto.
3187 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3188 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3189 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3190 (rest_of_handle_sched2): Ditto.
3191 * gcc/basic-block.h (free_bb_insn): Ditto.
3192 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3193 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3194 (remove_useless_stmts): Ditto.
3195 (split_critical_edges): Ditto.
3196 (execute_warn_function_return): Ditto.
3197 (execute_warn_function_noreturn): Ditto.
3198 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3199 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3200 * gcc/passes.c (execute_one_pass): Run additional
3201 todos returned by execute function.
3202 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3205 2006-03-02 Richard Guenther <rguenther@suse.de>
3207 * tree-ssa-alias.c (find_used_portions): Consider taking
3208 the address as making the variable not write-only.
3210 2006-03-02 Nick Clifton <nickc@redhat.com>
3212 * config.gcc (default_use_cxa_atexit): Extend the description of
3213 this configure variable. Set its default value to "yes" for
3214 Linux, NetBSD and ELF targets on the assumption that they will
3215 use C libraries with the __cxa_atexit function.
3217 2006-03-02 Ben Elliston <bje@au.ibm.com>
3219 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3220 parameter as unused to suppress a build warning.
3222 2006-03-02 Ben Elliston <bje@au.ibm.com>
3224 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3227 2006-03-01 Roger Sayle <roger@eyesopen.com>
3230 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3231 declared name, the weak reference name, and the typeof name.
3232 (__gthrw): Avoid expanding the declared name suffix.
3233 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3235 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3237 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3239 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3240 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3241 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3242 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3243 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3244 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3245 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3246 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3247 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3248 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3249 (DW_END_default, DW_END_big, DW_END_little): New.
3250 (DW_END_lo_user, DW_END_hi_user): Define.
3251 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3252 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3253 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3256 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3258 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3260 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3262 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3264 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3266 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3267 to 'symbol_mem_tag'.
3269 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3272 2006-03-01 Roger Sayle <roger@eyesopen.com>
3274 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3276 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3279 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3280 MACHO_DYNAMIC_NO_PIC_P.
3281 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3283 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3286 * config/darwin-protos.h (darwin_asm_output_anchor):
3288 * config/darwin-sections.def (cstring_section):
3289 Add SECTION_MERGE to the flags.
3290 (literal4_section): Likewise.
3291 (literal8_section): Likewise.
3292 (objc_selector_refs_section): Likewise.
3293 (objc_cls_refs_section): Likewise.
3294 * config/darwin.c (darwin_asm_output_anchor): New
3296 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3298 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3300 Fix PR tree-optimization/26443
3301 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3302 to todo and PROP_tmt_usage to properties_destroyed.
3303 * tree-ssa-ccp.c (pass_ccp): Ditto.
3304 (pass_store_ccp): Ditto.
3305 * tree-ssa-dom.c (pass_dominator): Ditto.
3307 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3309 * tree-ssa-operands.c: Cleanup whitespace.
3310 (get_asm_expr_operands): Move before first invocation.
3311 (get_indirect_ref_operands): Likewise.
3312 (get_tmr_operands): Likewise.
3313 (get_call_expr_operands): Likewise.
3314 (append_def): Likewise.
3315 (append_use): Likewise.
3316 (append_v_may_def): Likewise.
3317 (append_v_must_def): Likewise.
3318 (add_call_clobber_ops): Likewise.
3319 (add_call_read_ops): Likewise.
3320 (add_stmt_operand): Likewise.
3321 (add_virtual_operand): Likewise.
3322 (build_ssa_operands): Likewise.
3324 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3329 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3330 with a call expr to ...
3331 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3333 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3335 * tree-vrp.c (extract_range_from_assert): Remove special
3336 handling for types with super-types.
3338 2006-03-01 Ben Elliston <bje@au.ibm.com>
3340 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3341 and powerpc64-*-linux* configurations.
3342 * config/t-dfprules: New file.
3344 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3345 Compile dfp-bit.c from the source directory using -DWIDTH and
3346 $DFP_CFLAGS to control the compilation of that file, rather than
3347 generating width-specific versions in the build directory.
3348 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3349 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3351 2006-02-28 Zack Weinberg <zackw@panix.com>
3353 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3356 2006-02-28 Eric Christopher <echristo@apple.com>
3358 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3359 Set up IN_LIBGCC definition of TARGET_64BIT.
3360 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3362 2006-02-28 Roger Sayle <roger@eyesopen.com>
3365 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3366 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3367 cases via the construction of "expr != 0".
3369 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3371 * alias.c (alias_invariant, alias_invariant_size): Remove.
3372 (record_base_value): Remove.
3373 (memrefs_conflict_p): Don't look at alias_invariant.
3374 (end_alias_analysis): Don't free it.
3375 * alias.h (record_base_value): Remove prototype.
3377 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3378 Adam Nemet <anemet@caviumnetworks.com>
3380 * rtl.h (truncated_to_mode): Declare it.
3381 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3382 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3383 (RTL_HOOKS_INITIALIZER): Include it.
3384 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3385 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3386 reg_truncated_to_mode.
3387 * rtlanal.c (truncated_to_mode): Define it.
3388 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3390 2006-02-28 Jeff Law <law@redhat.com>
3392 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3393 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3394 the range allowed by TYPE_PRECISION.
3396 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3398 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3400 PR tree-optimization/26419
3401 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3404 2006-02-27 Zack Weinberg <zackw@panix.com>
3406 * doc/md.texi: Fix typo in previous change.
3408 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3412 2006-02-27 Zack Weinberg <zackw@panix.com>
3414 * rtl.def (define_constraint, define_register_constraint)
3415 (define_memory_constraint, define_address_constraint): New MD forms.
3416 * gensupport.c (process_rtx): Put define_constraint etc on the
3418 * genpreds.c (process_define_predicate): Adjust comment. Validate
3419 the name, and call validate_exp to validate the expression.
3420 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3421 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3422 all callers changed.
3423 (validate_exp, needs_variable, struct constraint_data)
3424 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3425 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3426 (const_dbl_constraints, constraint_max_namelen)
3427 (have_register_constraints, have_memory_constraints)
3428 (have_address_constraints, have_address_constraints)
3429 (have_extra_constraints, have_const_int_constraints)
3430 (have_const_dbl_constraints, mangle, add_constraint)
3431 (process_define_constraint, process_define_register_constraint)
3432 (write_enum_constraint_num, write_lookup_constraint)
3433 (write_insn_constraint_len, write_regclass_for_constraint)
3434 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3435 (write_insn_extra_memory_constraint)
3436 (write_insn_extra_address_constraint)
3437 (write_satisfies_constraint_fns): New.
3438 (write_tm_preds_h): If we have new-style constraint definitions,
3439 prototype the functions generated from them, and define the
3440 old constraint interface (still used by generic code) in terms of
3442 (write_insn_preds_c): If we have new-style constraint definitions,
3443 generate all relevant functions from those definitions.
3444 (main): Handle define_constraint etc.
3445 * genoutput.c (struct constraint_data, indep_constraints)
3446 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3447 (mdep_constraint_len): New data structures and functions, defined
3448 #ifdef USE_MD_CONSTRAINTS.
3449 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3450 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3451 use new logic to validate operand constraints against constraint
3453 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3455 * defaults.h: If none of the old-style constraint macros are
3456 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3457 old-style macros; and poison REG_CLASS_FROM_LETTER,
3458 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3460 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3461 * doc/md.texi: Document new constraint-definition mechanism and the
3462 C interface it provides. Remove references to old mechanism
3463 elsewhere in the document.
3464 (Machine Constraints): Use pathnames relative to gcc directory,
3465 i.e. config/ARCH/FILE. Change i386 section to refer to
3466 config/i386/predicates.md; update that section to match docstrings.
3467 * doc/tm.texi: Move all documentation of the old constraint-
3468 definition macros to their own section, clearly mark as obsolete.
3470 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3471 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3473 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3474 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3475 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3477 (splits and peepholes): Use satisfies_constraint_*.
3478 * config/i386/i386.c (memory_address_length)
3479 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3481 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3483 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3484 scalar operation to be put back into the loop.
3486 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3489 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3490 (extract_cie_info): Handle S flag in augmentation string.
3491 (execute_cfa_program): If context->signal_frame, execute also
3492 fs->pc == context->ra instructions.
3493 (uw_frame_state_for): If context->signal_frame, don't subtract one
3494 from context->ra to find FDE.
3495 (uw_update_context_1): Set context->signal_frame to
3497 (_Unwind_GetIPInfo): New function.
3498 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3499 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3501 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3502 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3503 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3504 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3505 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3506 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3507 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3508 x86_64_fallback_frame_state): Set fs->signal_frame.
3509 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3510 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3511 (frob_update_context): Likewise. Workaround missing S flag in
3512 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3513 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3514 Remove the psw_addr + 1 hack.
3516 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3518 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3519 with aggregates here.
3520 (find_func_aliases): Remove code for &<aggregate> from here.
3522 2006-02-26 Roger Sayle <roger@eyesopen.com>
3524 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3525 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3526 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3529 2006-02-26 Roger Sayle <roger@eyesopen.com>
3532 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3534 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3536 * opts.c (decode_options): Do not handle flag_strength_reduce.
3537 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3538 and OPT_fstrength_reduce.
3539 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3540 flag_prefetch_loop_arrays for being nonzero.
3541 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3543 (fprefetch-loop-arrays-rtl): Removed.
3544 (flag_prefetch_loop_arrays): Do not specify the value.
3546 * doc/passes.texi: Update documentation of loop optimizer
3548 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3549 -frerun-loop-opt): Remove.
3551 2006-02-26 Richard Guenther <rguenther@suse.de>
3553 PR tree-optimization/26421
3554 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3555 in function calls that are ADDR_EXPRs as using the whole structure.
3557 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3559 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3560 * tree-pass.h (pass_loop_optimize): Remove.
3561 * passes.c (pass_loop_optimize): Never run it.
3562 * toplev.c (backend_init): Don't call init_loop.
3563 * opts.c (flag_loop_optimize_set): Remove.
3564 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3565 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3566 the old RTL loop optimizer when profiling enabled.
3567 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3568 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3569 pre-headers for the sake of the old RTL loop optimizer.
3570 * Makefile.in: Remove all references to loop.o.
3572 * doc/invoke.texi: Remove all references to -floop-optimize
3573 and -frerun-loop-opt.
3575 2006-02-26 Zack Weinberg <zackw@panix.com>
3577 * doc/md.texi (Machine Constraints): Refer to all files with paths
3578 relative to gcc directory (i.e. config/CPU/file). Add missing
3579 @table @code ... @end table to M32C subsection.
3581 2006-02-26 Roger Sayle <roger@eyesopen.com>
3583 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3585 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3587 2006-02-26 Roger Sayle <roger@eyesopen.com>
3588 James A. Morrison <phython@gcc.gnu.org>
3591 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3592 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3593 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3594 signedness of the shift operation.
3596 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3598 PR tree-optimization/26359
3599 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3601 2006-02-25 Roger Sayle <roger@eyesopen.com>
3603 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3604 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3605 as X == 0, and some symmetry related transformations.
3606 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3608 2006-02-25 Roger Sayle <roger@eyesopen.com>
3611 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3612 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3613 symmetry related transformations. Fold (X^C1) == C2 as
3616 2006-02-25 Juergen Weigert <jw@suse.de>
3617 Richard Guenther <rguenther@suse.de>
3619 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3621 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3623 * combine.c (gen_lowpart_or_truncate): Call
3624 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3626 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3628 * doc/invoke.texi: Move -fopenmp description to "Options for
3630 Remove reference to -lgomp.
3632 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3634 * doc/install.texi: Require GNU tar version 1.14.
3636 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3638 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3639 * doc/invoke.texi (C++ Dialect Options): Document
3640 -fno-use-cxa-get-exception-ptr.
3641 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3642 * configure: Regenerate.
3643 * c.opt (fuse-cxa-get-exception-ptr): New.
3644 * c-opts.c (c_common_handle_option): Handle
3645 OPT_fuse_cxa_get_exception_ptr.
3646 * c-common.c (flag_use_cxa_atexit): Update documentation.
3647 (flag_use_cxa_get_exception_ptr): New.
3648 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3649 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3651 (C_COMMON_OVERRIDE_OPTIONS): New.
3653 2006-02-24 Roger Sayle <roger@eyesopen.com>
3656 * combine.c (try_combine): Explicitly check whether GET_CODE is
3657 a SET or a CLOBBER, instead on checking that it isn't a USE.
3659 2006-02-24 Roger Sayle <roger@eyesopen.com>
3661 * fold-const.c (fold_comparison): New subroutine of fold_binary
3662 containing transformations common to both the equality and
3663 ordering relational operators, factored out of fold_binary.
3664 (fold_binary): Separate out the equality operators (EQ_EXPR
3665 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3666 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3667 transformations common to both.
3668 (fold_div_compare): Fix latent bugs in the previously unreachable
3669 LT_EXPR and GE_EXPR cases.
3671 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3673 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3674 decl libname for clog to __clog on AIX.
3676 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3678 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3681 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3682 output traceback table for thunks. Localise rs6000_stack_info call.
3684 2006-02-23 Roger Sayle <roger@eyesopen.com>
3685 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3687 * gthr-posix.h (__gthrw): Fix typo in comment.
3689 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3691 * doc/cpp.texi (Character sets): Document that we do support
3692 input files to be in any character set.
3694 2006-02-23 Jeff Law <law@redhat.com>
3696 * tree.h (PHI_ARG_NONZERO): Remove.
3697 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3698 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3699 node to the new node.
3701 PR tree-optimization/26425
3702 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3703 min/max, then assume its varying.
3705 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3707 PR rtl-optimization/26316
3708 * rtlanal.c (enum may_trap_p_flags): New.
3709 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3710 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3711 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3712 (may_trap_after_code_motion_p): New function.
3713 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3714 (find_invariant_insn): Use may_trap_after_code_motion_p.
3715 * rtl.h (may_trap_after_code_motion_p): Declare.
3717 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3719 * emit-rtl.c (immed_double_const): Cleanup.
3721 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3723 Fix PR tree-optimization/26376
3724 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3727 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3730 * gimplify.c (omp_add_variable): Guard variable size decl test with
3731 DECL_SIZE (decl) check.
3733 2006-02-23 Richard Guenther <rguenther@suse.de>
3736 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3737 like aggregate types.
3739 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3741 * configure.ac: Add --with{,out}-long-double-128 configure option.
3742 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3743 * configure: Rebuilt.
3744 * config.in: Rebuilt.
3745 * doc/install.texi (Options specification): Document
3746 --with-long-double-128.
3748 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3749 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3750 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3751 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3753 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3755 * config/s390/s390.c (override_options): Handle
3756 TARGET_DEFAULT_LONG_DOUBLE_128.
3758 * config/alpha/alpha.c (override_options): Handle
3759 TARGET_DEFAULT_LONG_DOUBLE_128.
3761 * config/sparc/sparc.c (sparc_override_options): Handle
3762 TARGET_DEFAULT_LONG_DOUBLE_128.
3764 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3766 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3767 (real-install-headers-tar, real-install-headers-cpio)
3768 (real-install-headers-cp): New targets.
3770 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3772 * tree.h (variable_section): Delete.
3773 * varasm.c (variable_section): Delete.
3775 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3777 * install.texi: Add notes on install.texi2html.
3778 (Building in parallel): Do not use footnotes.
3780 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3783 * doc/install.texi (Configuration): Document --disable-libgomp.
3785 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3787 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3789 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3791 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3792 (vec_extractv2df_0_sse): New.
3794 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3796 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3797 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3798 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3799 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3800 to the result of the expression.
3801 (def_cfa_1): Adjust.
3802 (frame_pointer_cfa_offset): Rename to...
3803 (frame_pointer_fb_offset): ... this. Adjust all uses.
3804 (convert_cfa_to_loc_list): Rename to...
3805 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3806 Pass it on to build_cfa_loc.
3807 (compute_frame_pointer_to_cfa_displacement): Rename to...
3808 (compute_frame_pointer_to_fb_displacement): ... this. New
3809 offset parameter. Use it in computation.
3810 (gen_subprogram_die): Compute cfa_fb_offset with the new
3811 macro, and use it to compute the fb loc list and the
3814 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3816 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3817 replaced with register_operand.
3818 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3819 non-DREG is expensive.
3820 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3821 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3824 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3826 * doc/install.texi2html: Use set -e.
3828 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3830 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3831 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3832 * doc/invoke.texi (-fshared-data): Delete.
3833 * common.opt (fshared-data): Delete.
3834 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3835 (assemble_static_space): Remove #if 0 code.
3836 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3837 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3838 * config/cris/cris.h: Remove FIXME.
3840 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3842 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3845 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3848 * combine.c (simplify_shift_const_1): Disable nested shifts
3849 optimization for vector shifts.
3851 2006-02-20 Roger Sayle <roger@eyesopen.com>
3853 PR tree-optimization/26361
3854 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3855 of unsigned integer types.
3857 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3859 * tree-chrec.c (eq_evolutions_p): New.
3860 * tree-chrec.h (eq_evolutions_p): Declared.
3861 * tree-data-ref.c: Fix formatting.
3862 (datadep_stats, dependence_stats): New.
3864 (print_direction_vector): New.
3865 (dump_data_dependence_relation): Use print_direction_vector.
3866 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3867 (compute_subscript_distance): Static.
3868 (initialize_data_dependence_relation): Static. Get the number
3869 of loops surrounding the references from the callers, and initialize
3870 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3871 base_object_differ_p analyzers.
3872 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3873 compute_overlap_steps_for_affine_1_2,
3874 analyze_subscript_affine_affine): Count the classified dependences.
3875 Print a message when a test failed.
3876 (can_use_analyze_subscript_affine_affine): New.
3877 (analyze_siv_subscript): Compute the data dependences on symbolic
3878 scevs that verify can_use_analyze_subscript_affine_affine.
3879 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3880 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3881 Handle symbolic scevs.
3882 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3884 (subscript_dependence_tester): Moved...
3885 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3886 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3887 DDR_SIZE_VECT instead of getting it in parameter.
3888 (subscript_dependence_tester): ... here. Take as a parameter
3889 loop_nest_depth. Call build_classic_dist_vector and
3890 build_classic_dir_vector.
3891 (compute_affine_dependence): Update subscript_dependence_tester
3892 parameters. Update datadep_stats counters. Call
3893 compute_subscript_distance.
3894 (compute_self_dependence): Save the dist and dir vectors. Call
3895 compute_subscript_distance.
3896 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3897 (compute_all_dependences): Reorder parameters as they were before
3898 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3899 compute_subscript_distance. Update the use of
3900 compute_affine_dependence and initialize_data_dependence_relation.
3901 (find_data_references_in_loop): Handle COMPONENT_REF.
3902 (compute_data_dependences_for_loop): Initialize dependence_stats.
3903 Don't call build_classic_dist_vector and build_classic_dir_vector.
3904 Update the parameters of initialize_data_dependence_relation and
3905 compute_all_dependences. Print the statistics from datadep_stats.
3906 (analyze_all_data_dependences): Static. Not used until the pass for
3907 checking the data dependences is contributed.
3908 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3909 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3910 (initialize_data_dependence_relation, compute_affine_dependence,
3911 analyze_all_data_dependences, compute_subscript_distance): Removed.
3912 (print_direction_vector): New.
3913 * lambda.h (gcd): ... here.
3914 (lambda_vector_gcd): Moved here from gcd_vector.
3915 * lambda-code.c (gcd, gcd_vector): Removed.
3916 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3917 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3919 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3921 * ipa-type-escape.c: Tidy some comments and white space.
3922 * tree-ssa-operands.c: Likewise.
3924 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3927 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3928 (dump_decl_name): Do not walk the decl tree chains.
3929 * tree-pass.h (TDF_CHAIN): Remove.
3931 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3933 * Makefile.in (C): Remove
3935 (.PHONY): Remove C and PROTO
3937 2006-02-20 Roger Sayle <roger@eyesopen.com>
3940 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3941 deprecated CHAR_TYPE tree code.
3943 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3945 * configure.ac (target_list): Add install-info, dvi, html.
3946 * configure: Regenerate.
3948 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3949 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3950 treelang/Make-lang.in: Do not use double-colon rules.
3952 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3954 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3955 (TMT_USED_ALONE): New macro.
3956 * tree-pass.h (PROP_tmt_usage): New property.
3957 (TODO_update_tmt_usage): New todo.
3958 * tree-ssa-alias.c (updating_used_alone): New variable.
3959 (recalculate_used_alone): New function.
3960 (compute_may_aliases): Set updating_used_alone, call
3961 recalculate_used_alone.
3962 * tree-sra.c (pass_sra): Note that this pass destroys
3963 PROP_tmt_usage, and add TODO_update_tmt_usage.
3964 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3965 * tree-flow.h (updating_used_alone): Prototype.
3966 (recalculate_used_alone): Ditto.
3967 * passes.c (execute_todo): Add code to set updating_used_alone,
3968 and call recalculate.
3969 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3970 for clobber if used alone, and add assert to verify used_alone
3973 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3975 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3976 for non tls symbols added.
3977 (legitimize_address): Do nothing for PLUS expressions if one of the
3978 addends is a tls symbol reference.
3980 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3984 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3986 * Makefile.in (BOOTSTRAPPING): New.
3987 (quickstrap): New definition if BOOTSTRAPPING=yes.
3989 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3990 * configure.ac: Substitute all_selected_languages with the languages
3991 that were configured. For all the other variables except
3992 lang_specs_files, include all the languages in the tree.
3993 * configure: Regenerate.
3995 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3996 if there is one. Run the commands to run fixincludes in the same
3999 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4000 * doc/install.texi: Document exact conventions for searching target tools.
4001 Document --with-build-time-tools. Document toplevel bootstrap. Document
4002 something more about building an Ada cross-compiler. Don't list GNU Make
4003 requirements which affect all platforms.
4005 2006-02-19 Roger Sayle <roger@eyesopen.com>
4008 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4009 only equivalent if the have both the same mode and precision.
4011 2006-02-20 Ben Elliston <bje@au.ibm.com>
4013 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4015 2006-02-19 Roger Sayle <roger@eyesopen.com>
4016 Steven Bosscher <stevenb.gcc@gmail.com>
4018 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4019 constant pool references to identify stack mode constants.
4020 * rtlanal.c (constant_pool_constant_p): New predicate to check
4021 whether operand is a floating point constant in the pool.
4022 * rtl.h (constant_pool_constant_p): Prototype here.
4023 * loop.c (scan_loop): Avoid hoisting constants from the constant
4024 pool on STACK_REGS targets.
4025 (load_mems): Likewise.
4026 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4027 loads into x87 registers expensive in terms of register pressure.
4029 2006-02-19 Roger Sayle <roger@eyesopen.com>
4031 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4032 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4034 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4036 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4037 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4039 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4041 * doc/invoke.texi: Document -fipa-pta.
4042 * common.opt: Add ipa-pta option.
4043 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4044 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4045 (do_ds_constraint): Ditto.
4046 (get_constraint_for): Only add to referenced_vars if
4047 referenced_vars exists.
4048 (insert_into_field_list): Rewrite to do this unsorted.
4049 (insert_into_field_list_sorted): Rename old insert_into_field_list
4051 (create_function_info_for): Use insert_into_field_list_sorted.
4052 (create_variable_info_for): Rewrite so it uses unsorted version,
4053 since the field list is sorted.
4054 (intra_create_variable_infos): Only add to referenced_vars if
4055 referenced_vars exists.
4056 (ipa_pta_execute): Init heapvars, and delete when done.
4057 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4059 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4061 * doc/install.texi: Add missing `@samp'.
4063 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4065 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4068 2006-02-18 Mark Wielaard <mark@klomp.org>
4070 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4071 who added new 4.1 features, bug fixes and integration support.
4073 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4076 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4079 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4081 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4082 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4083 (copy_insn_1): Likewise. Don't copy each field individually.
4085 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4087 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4088 * rtl.c (rtx_size): Rename variable to...
4089 (rtx_code_size): ...this.
4090 (rtx_size): New function.
4091 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4092 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4094 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4095 * rtl.h (rtx_code_size): New variable.
4096 (rtx_size): Change from a variable to a function.
4097 (RTX_SIZE): Rename to...
4098 (RTX_CODE_SIZE): ...this.
4101 PR tree-optimization/17106
4102 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4103 (Anchored Addresses): New section.
4104 * doc/invoke.texi (-fsection-anchors): Document.
4105 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4106 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4107 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4108 * hooks.c (hook_bool_mode_rtx_false): New function.
4109 * hooks.h (hook_bool_mode_rtx_false): Declare.
4110 * gengtype.c (create_optional_field): New function.
4111 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4112 SYMBOL_REF_IN_BLOCK_P is true.
4113 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4114 (min_anchor_offset, max_anchor_offset): Likewise.
4115 (use_anchors_for_symbol_p): New hook.
4116 * toplev.c (compile_file): Call output_object_blocks.
4117 (target_supports_section_anchors_p): New function.
4118 (process_options): Check that -fsection-anchors is only used on
4119 targets that support it and when -funit-at-a-time is in effect.
4120 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4121 if the decl doesn't have one.
4122 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4123 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4124 of force_const_mem through use_anchored_address.
4125 (expand_expr_constant): New function.
4126 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4127 calling expand_expr for INDIRECT_REF.
4128 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4129 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4130 * expr.h (use_anchored_address): Declare.
4131 * loop-unroll.c: Don't declare rtx vectors here.
4132 * explow.c: Include output.h.
4133 (validize_mem): Call use_anchored_address.
4134 (use_anchored_address): New function.
4135 * common.opt (-fsection-anchors): New switch.
4136 * varasm.c (object_block_htab, anchor_labelno): New variables.
4137 (hash_section, object_block_entry_eq, object_block_entry_hash)
4138 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4139 (use_blocks_for_decl_p, change_symbol_section): New functions.
4140 (get_variable_section): New function, split out from assemble_variable.
4141 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4142 use_blocks_for_decl_p say so. Use change_symbol_section if the
4143 symbol has already been created.
4144 (assemble_variable_contents): New function, split out from...
4145 (assemble_variable): ...here. Don't output any code for
4146 block symbols; just pass them to place_block_symbol.
4147 Use get_variable_section and assemble_variable_contents.
4148 (get_constant_alignment, get_constant_section, get_constant_size): New
4149 functions, split from output_constant_def_contents.
4150 (build_constant_desc): Create a block symbol if use_object_blocks_p
4151 says so. Or into SYMBOL_REF_FLAGS.
4152 (assemble_constant_contents): New function, split from...
4153 (output_constant_def_contents): ...here. Don't output any code
4154 for block symbols; just pass them to place_section_symbol.
4155 Use get_constant_section and get_constant_alignment.
4156 (force_const_mem): Create a block symbol if use_object_blocks_p and
4157 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4158 (output_constant_pool_1): Add an explicit alignment argument.
4159 Don't switch sections here.
4160 (output_constant_pool): Adjust call to output_constant_pool_1.
4161 Switch sections here instead. Don't output anything for block symbols;
4162 just pass them to place_block_symbol.
4163 (init_varasm_once): Initialize object_block_htab.
4164 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4165 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4166 (place_block_symbol, get_section_anchor, output_object_block)
4167 (output_object_block_htab, output_object_blocks): New functions.
4168 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4169 (TARGET_ASM_OUT): Include it.
4170 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4171 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4172 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4173 (TARGET_INITIALIZER): Include them.
4174 * rtl.c (rtl_check_failed_block_symbol): New function.
4175 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4176 (block_symbol, object_block): New structures.
4177 (rtx_def): Add a block_symbol field to the union.
4178 (BLOCK_SYMBOL_CHECK): New macro.
4179 (rtl_check_failed_block_symbol): Declare.
4180 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4181 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4182 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4183 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4184 * output.h (output_section_symbols): Declare.
4185 (object_block): Name structure.
4186 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4187 (default_use_anchors_for_symbol_p): Declare.
4188 * Makefile.in (RTL_BASE_H): Add vec.h.
4189 (explow.o): Depend on output.h.
4190 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4191 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4192 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4193 (rs6000_use_blocks_for_constant_p): New function.
4195 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4197 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4199 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4202 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4205 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4207 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4211 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4214 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4215 instead of DECL_REGISTER.
4217 2006-02-18 Olivier Hainque <hainque@adacore.com>
4220 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4222 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4225 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4226 * opth-gen.awk: Handle Var and InverseMask together.
4227 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4228 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4229 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4230 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4232 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4233 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4234 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4235 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4236 LINUX_DYNAMIC_LINKER): Define.
4237 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4238 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4240 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4241 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4242 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4243 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4244 (TARGET_C99_FUNCTIONS): Don't define.
4245 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4246 GLIBC_DYNAMIC_LINKER.
4247 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4248 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4249 GLIBC_DYNAMIC_LINKER64): Define.
4250 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4251 LINUX_DYNAMIC_LINKER64.
4252 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4254 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4256 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4257 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4258 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4259 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4260 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4261 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4262 and LINUX_DYNAMIC_LINKER32.
4263 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4265 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4267 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4269 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4270 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4271 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4272 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4273 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4274 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4275 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4276 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4277 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4278 LINUX_DYNAMIC_LINKER): Define.
4279 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4280 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4281 GLIBC_DYNAMIC_LINKER64): Define.
4282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4283 LINUX_DYNAMIC_LINKER64.
4284 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4285 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4286 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4287 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4288 LINUX_DYNAMIC_LINKER): Define.
4289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4290 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4291 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4292 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4293 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4294 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4295 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4296 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4297 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4298 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4300 * doc/invoke.texi (-muclibc): Remove caveat about supported
4303 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4305 * doc/cpp.texi (__TIMESTAMP__): Document.
4307 2006-02-17 Roger Sayle <roger@eyesopen.com>
4310 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4311 C is one less than the width of X (and related transformations).
4312 * simplify-rtx.c (simplify_unary_operation_1): Transform
4313 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4314 depending on STORE_FLAG_VALUE, were C is one less then the
4317 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4319 Fix PR tree-optimization/26341
4320 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4321 about NAME_MEMORY_TAG's.
4323 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4326 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4327 with hardware float support, and software float support. Add fcpy
4328 alternative to hardware patterns. Add alternatives to copy between
4329 general and floating-point registers to the 32-bit pattern.
4330 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4331 secondary reload to load a QI or HI mode constant into a floating
4333 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4334 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4336 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4339 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4341 (load_macho_picbase_di): Likewise.
4343 2006-02-16 Jeff Law <law@redhat.com>
4345 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4346 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4347 (ssa_name_nonzero_p): Likewise.
4348 (get_value_range): Return NULL if VRP is not running.
4349 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4350 VRP routines do not discover a range.
4351 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4352 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4353 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4354 (tree_expr_nonnegative_p): Similarly.
4355 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4356 (restore_nonzero_vars_to_original_value): Remove.
4357 (unsafe_associative_fp_binop): Remove.
4358 (tree_ssa_dominator_optimize): Remove initialization and
4359 finalization of nonzero_vars and nonzero_vars_stack.
4360 (dom_opt_initialize_block): No longer push marker on
4362 (dom_opt_finalize_block): No longer call
4363 restore_nonzero_vars_to_original_value.
4364 (record_equivalences_from_phis): No longer look for
4365 nonzero PHI arguments.
4366 (cprop_into_successor_phis): No longer propagate nonzero
4367 property into PHI arguments. Lose unused argument. Caller
4369 (record_equivalences_from_stmt): No longer record nonzero
4370 values for SSA_NAMEs.
4371 (lookup_avail_expr): No longer use nonzero_vars.
4373 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4374 for sizetype when sizetype is unsigned.
4376 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4378 PR rtl-optimization/25603
4379 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4380 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4381 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4382 with new meaning of SETS.
4384 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4389 * config/linux.opt: New file.
4390 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4391 LINUX_DYNAMIC_LINKER): Define.
4392 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4393 * config.gcc (*-*-linux*): Define extra_options.
4394 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4395 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4396 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4397 GLIBC_DYNAMIC_LINKER.
4398 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4399 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4400 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4402 * doc/invoke.texi (GNU/Linux Options): New section.
4404 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4406 * config/sparc/sparc.md (setjmp): Rewrite.
4407 (setjmp_32): Delete.
4408 (setjmp_64): Likewise.
4410 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4412 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4415 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4417 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4420 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4422 PR rtl-optimization/26296
4423 * Makefile.in (loop-invariant.c): Add except.h dependency.
4424 * loop-invariant.c: Include except.h.
4425 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4427 2005-02-16 Paul Brook <paul@codesourcery.com>
4429 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4432 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4434 PR rtl-optimization/25636
4435 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4436 when deciding whether an insn is an initializing insn.
4438 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4440 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4441 (tree_code_size): Ditto.
4442 * tree.h (struct tree_memory_tag): Remove parent_var.
4443 (struct tree_struct_field_tag): New.
4446 (union tree_node): Add sft member.
4447 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4449 (create_sft): Add size and offset argument, set SFT_OFFSET and
4451 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4452 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4453 * tree-flow-inline.h (get_subvar_at): Update for
4454 SFT_OFFSET/SFT_SIZE.
4455 (var_can_have_subvars): Ditto.
4456 (overlap_subvar): Ditto.
4457 * print-tree.c (print_node): Print out interesting things for
4459 * tree-flow.h (struct subvar): Remove offset and size members.
4460 * tree-ssa-operands.c (get_expr_operands): Update for
4461 get_indirect_ref_operands changes.
4462 (get_indirect_ref_operands): Call add_virtual_operand instead of
4463 add_stmt_operand. Only recurse on base var if requested.
4464 (access_can_touch_variable): New function.
4465 (add_stmt_operand): Split virtual operand handling into ...
4466 (add_virtual_operand): Here. Add offset, size, and for_clobber
4467 arguments. Prune alias sets.
4468 (add_call_clobber_ops): Call add_virtual_operand.
4470 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4473 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4475 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4476 than TREE_CODE as index into omp_clause_num_ops array.
4478 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4480 PR rtl-optimization/26184
4481 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4483 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4484 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4485 must_precede, must_follow and tobe_scheduled.
4488 * opts.c (common_handle_option): Free new_option pointer.
4489 * df-core.c (df_analyze): Free postorder pointer.
4491 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4493 * Makefile.in: Fix the examples about the use of stamps
4495 2006-02-15 Michael Matz <matz@suse.de>
4499 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4500 influenced by maximum_field_alignment or DECL_PACKED.
4501 (update_alignment_for_field): Ditto.
4502 (place_field): Ditto.
4503 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4506 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4508 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4509 (debug_flow_info): Pass it.
4510 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4511 * bb-reorder.c (reorder_basic_blocks): Likewise.
4512 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4513 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4514 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4515 * gcse.c (gcse_main, bypass_jumps): Likewise.
4516 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4517 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4518 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4519 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4520 * rtl.h (dump_flow_info): Adjust prototype.
4521 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4522 * var-tracking.c (variable_tracking_main): Likewise.
4523 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4524 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4527 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4529 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4532 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4534 PR tree-optimization/26209
4535 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4536 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4538 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4540 2006-02-14 Roger Sayle <roger@eyesopen.com>
4543 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4544 (X,Y) and the corresponding symmetry related transformations.
4545 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4546 (X,Y) and its symmetry related transformations.
4548 2006-02-14 Roger Sayle <roger@eyesopen.com>
4550 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4553 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4555 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4557 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4560 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4561 support COMDAT group.
4562 * configure: Regenerate.
4564 2006-02-14 Roger Sayle <roger@eyesopen.com>
4569 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4571 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4573 Fix PR tree-optimization/26260
4575 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4577 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4578 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4579 * tree-ssa-structalias.c (create_variable_info_for): Use
4580 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4582 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4584 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4586 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4587 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4588 of the ending condition.
4589 * tree-ssa-loop-manip.c: Include params.h.
4590 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4591 tree_unroll_loop): New functions.
4592 * tree-pass.h (pass_loop_prefetch): Declare.
4593 * loop.c (rest_of_handle_loop_optimize): Test for
4594 -fprefetch-loop-arrays-rtl.
4595 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4596 * timevar.def (TV_TREE_PREFETCH): New timevar.
4597 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4598 pass_loop_prefetch): New.
4599 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4600 (cleanup_tree_cfg_loop): Call scev_reset.
4601 * common.opt (fprefetch-loop-arrays-rtl): Add.
4602 * tree-ssa-loop-prefetch.c: New file.
4603 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4604 (new_temp_expr_table): Initialize expr_vars.
4605 (free_temp_expr_table): Cleanup expr_vars.
4606 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4607 expressions from being merged into one.
4608 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4609 (struct tree_niter_desc): Add control, bound and cmp fields.
4610 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4612 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4613 (tree-cfgcleanup.o): Add SCEV_H dependency.
4614 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4615 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4617 2006-02-14 Richard Guenther <rguenther@suse.de>
4619 PR tree-optimization/26258
4620 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4621 in PHI argument processing.
4623 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4625 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4626 new expression in the requested machine mode.
4628 2006-02-13 Roger Sayle <roger@eyesopen.com>
4630 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4631 directly, instead let do_compare_rtx_and_jump handle this for us.
4632 * expr.c (expand_expr_real_1): Likewise.
4633 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4634 before do_jump_by_parts_greater.
4635 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4636 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4638 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4640 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4642 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4644 PR rtl-optimization/26235
4645 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4646 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4649 2006-02-13 Jeff Law <law@redhat.com>
4651 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4654 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4657 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4658 twice if decl is a builtin. When trying again, call get_callee_fndecl
4659 first to verify it is still a builtin.
4661 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4663 * dwarf2out.c (base_type_die): Don't add AT_name here.
4664 (subrange_type_die): Don't add AT_name here.
4665 (modified_type_die): Rearrange code flow. Do add AT_name here.
4667 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4669 PR rtl-optimization/26247
4670 PR rtl-optimization/26248
4671 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4673 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4675 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4676 * config/fixtfdi.c: Likewise.
4677 * config/fixunstfdi.c: Likewise.
4678 * config/floatditf.c: Likewise.
4680 2006-02-13 Roger Sayle <roger@eyesopen.com>
4683 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4684 into (X,C2) if C1 is a subset of the bits of C2. Transform
4685 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4687 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4689 2006-02-13 Josh Conner <jconner@apple.com>
4692 * varasm.c (function_section): Check for section name before
4693 calling select_section on targets that define
4694 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4695 unlikely_text_section instead of hot_function_section if
4696 first_function_block_is_cold.
4698 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4701 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4703 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4705 PR rtl-optimization/26222
4706 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4707 after tree->rtl expansion.
4708 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4709 before passing it to emit_move_insn.
4711 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4713 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4715 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4716 Clarify documentation.
4717 * c-common.h (warn_write_strings): Remove.
4718 * c-common.c (warn_write_strings): Likewise.
4719 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4722 2006-02-12 Roger Sayle <roger@eyesopen.com>
4725 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4726 (do_jump_parts_zero_rtx): New function renamed from
4727 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4728 (do_jump_parts_equality_rtx): New function split out from
4729 do_jump_parts_equality. Old implementation renamed as above.
4730 Call do_jump_parts_zero_rtx if either operand is zero.
4731 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4732 do all of the heavy lifting.
4733 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4734 calling either do_jump_by_parts_greater_rtx or
4735 do_jump_by_parts_equality_rtx.
4736 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4737 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4738 moved to do_compare_rtx_and_jump, call it directly.
4739 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4740 mode argument. Call do_compare_rtx_and_jump.
4741 (emit_case_nodes): Update calls to do_jump_if_equal.
4743 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4745 PR rtl-optimization/26225
4746 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4748 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4750 PR rtl-optimization/26232
4751 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4753 2006-02-11 Jason Merrill <jason@redhat.com>
4756 * tree-inline.c (declare_return_variable): Just don't use the
4757 modify target if it's a gimple complex reg and the return slot
4760 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4762 * doc/contrib.texi: Update my entry.
4764 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4766 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4768 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4770 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4773 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4775 * doc/invoke.texi (-floop-optimize2): Removed.
4776 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4777 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4778 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4779 * common.opt (floop-optimize2): Removed.
4780 (fmove-loop-invariants): Enabled by default.
4782 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4784 * tree-if-conv.c (combine_blocks): Free the result of
4785 get_loop_exit_edges.
4787 2006-02-10 Jeff Law <law@redhat.com>
4789 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4791 PR tree-optimization/26213
4792 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4793 loop trying to follow SSA_NAME_VALUE chains.
4795 2006-02-10 Richard Guenther <rguenther@suse.de>
4797 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4798 deal with structures that end in implicitly variable sized arrays.
4800 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4802 PR rtl-optimization/24762
4803 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4806 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4808 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4809 (struct ivopts_data): Add regs_used field.
4810 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4811 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4812 instead of loop_data->regs_used;
4813 (free_loop_data): Do not free aux fields for loops.
4814 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4815 and tree_ssa_iv_optimize_finalize.
4817 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4819 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4821 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4824 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4825 computing the effective result type.
4827 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4830 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4831 (tree_overlaps_hard_reg_set): Declare.
4832 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4833 type and signature to match function type expected by walk_tree.
4834 (tree_overlaps_hard_reg_set): New function.
4835 (decl_conflicts_with_clobbers_p): Rename to:
4836 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4837 Use tree_overlaps_hard_reg_set. Changed caller.
4838 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4839 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4840 * cris.c (cris_md_asm_clobbers): Likewise.
4842 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4844 * reload1.c (emit_input_reload_insns): Delete code that tries to
4845 inherit using find_equiv_reg.
4847 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4849 * c-common.h (flag_const_strings): Don't declare.
4850 * c-common.c (flag_const_strings): Remove.
4851 * c.opt (fconst_strings): Remove.
4852 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4853 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4854 (c_common_init_options): Don't set flag_const_strings.
4855 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4857 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4859 * arm.md (tlobits_cbranch): New pattern.
4860 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4861 testing a single bit.
4863 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4866 * tree-ssa-pre.c (create_component_ref_by_pieces):
4867 Handle RETURN_DECL like VAR_DECL.
4869 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4872 * fold-const.c (fold_indirect_ref_1): Fold
4873 "*(foo *)&complexfoo" to "__real__ complexfoo"
4874 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4876 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4878 * tree-flow-inline.h (var_can_have_subvars):
4879 Volatile variables should not have subvariables.
4881 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4884 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4885 multiplying unsigned values.
4888 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4890 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4892 2006-02-08 Jason Merrill <jason@redhat.com>
4895 * tree.def: Elaborate on difference from MODIFY_EXPR.
4896 * doc/c-tree.texi (INIT_EXPR): Likewise.
4897 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4898 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4899 (gimplify_target_expr): Likewise.
4900 (gimplify_cond_expr): Remove target handling.
4901 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4902 (gimplify_expr): Clobber it here.
4903 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4904 Do return slot optimization if we have an INIT_EXPR.
4907 * tree-inline.c (declare_return_variable): Also clear
4908 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4911 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4914 * gimplify.c (gimplify_one_sizepos): Fix typo.
4916 2006-02-08 Jeff Law <law@redhat.com>
4918 PR tree-optimization/21417
4919 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4920 across a backedge if the control statement at the end of the
4921 block is data dependent on other statements in the same block.
4922 (record_temporary_equivalences_from_stmts): Remove over-conservative
4923 test for threading across backedges.
4925 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4926 control statement, handle all three special cases in the same
4927 manner as they all have the same desired solution. No longer
4928 special case edge flag updating when the post dominator is
4931 2006-02-08 Roger Sayle <roger@eyesopen.com>
4933 * tree.def (CHAR_TYPE): Remove.
4934 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4935 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4936 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4937 (gen_string_type_die): Delete unreachable function.
4939 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4940 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4941 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4942 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4943 * builtins.c (type_to_class): Likewise.
4944 * fold-const.c (fold_convert, build_range_check,
4945 merge_ranges): Likewise.
4946 * expr.c (count_type_elements): Likewise.
4947 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4948 * stor-layout.c (layout_type): Likewise.
4949 * ipa-type-escape.c (type_to_consider): Likewise.
4950 * gimplify.c (omp_firstprivatize_type_sizes,
4951 gimplify_type_sizes): Likewise.
4952 * explow.c (promote_mode): Likewise.
4953 * tree-sra.c (is_sra_scalar_type): Likewise.
4954 * varasm.c (output_constant): Likewise.
4955 * tree-inline.c (remap_type_1): Likewise.
4956 * convert.c (convert_to_pointer, convert_to_real,
4957 convert_to_integer, convert_to_complex): Likewise.
4959 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4961 * df-scan.c (df_def_record_1): A set destination may
4962 be a parallel regardless of mode.
4964 2006-02-08 Roger Sayle <roger@eyesopen.com>
4967 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4968 * config/mips/_tilib.c: Remove.
4969 * config/fixtfdi.c: New libgcc source file.
4970 * config/fixunstfdi.c: New source file.
4971 * config/floatditf.c: New source file.
4972 * config/floatunditf.c: New souce file.
4973 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4974 files above instead of config/mips/_tilib.c.
4975 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4977 2006-02-08 Jeff Law <law@redhat.com>
4979 PR tree-optimization/26169
4980 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4983 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4985 * df.h (DF_REG_SIZE): Return the length of the initialized
4988 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4990 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4991 __muldf3): Return a correctly signed zero.
4993 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4995 * passes.c (register_one_dump_file): Accept the current properties
4996 instead of pass number. Adjust call to dump_register. Remove
4998 (register_dump_files): Now a wrapper around...
4999 (register_dump_files_1): ... this one. Do not modify the pass
5001 (next_pass_1): Cosmetic fix.
5002 (execute_todo): Keep second parameter only. Use curr_properties
5003 instead of fetching it from the pass structure. Check and set
5005 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5006 instead of fetching it from the pass structure. Fix calls to
5007 execute_todo. Update curr_properties and initialize .vcg RTL dump
5008 after running the pass. Reset last_verified.
5009 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5011 (FIRST_AUTO_NUMBERED_DUMP): New.
5012 (dump_register): Remove "num" parameter, assign it within the
5014 (get_dump_file_name): Modify template for dumps.
5015 * tree-dump.h (dump_register): Adjust prototype.
5016 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5017 (PROP_trees): Add PROP_gimple_lomp.
5018 (TODO_set_props): New.
5019 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5020 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5021 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5023 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5025 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5026 (sparc64-*-linux*): Likewise.
5027 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5028 * config/sparc/t-linux: New file.
5029 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5030 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5031 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5032 -m32 -mlong-double-128.
5034 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5035 * config/alpha/t-linux: New file.
5036 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5038 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5039 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5040 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5041 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5042 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5043 (CPP_ARCH32_SPEC): Remove.
5045 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5047 PR tree-optimization/26145
5048 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5051 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5054 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5055 >= 240000 when generating code for SOM runtime.
5056 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5057 to $$dyncall when generating code for SOM runtime..
5059 2006-02-07 Dirk Mueller <dmueller@suse.com>
5062 * doc/invoke.texi (-Wsequence-point): Update documentation
5063 that -Wsequence-point is implemented for C++ as well.
5065 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5067 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5068 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5069 (LIB_SPEC): Likewise.
5070 * doc/invoke.texi (SPARC options): Document -pthread.
5072 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5074 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5077 2006-02-07 Roger Sayle <roger@eyesopen.com>
5079 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5080 Correct comment describing BOOLEAN_TYPE.
5082 2006-02-07 Dirk Mueller <dmueller@suse.com>
5084 * c.opt: C++ frontend supports -Wdiv-by-zero.
5085 * c-opts.c (c_common_handle_option): Remove dead case.
5087 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5089 * configure.ac (TLS assembler check): Do not enable TLS by
5090 default on SPARC/Solaris before version 10.
5091 * configure: Regenerate.
5093 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5095 * doc/invoke.texi (xl-compat): Document conversion and support
5098 2006-02-07 Jeff Law <law@redhat.com>
5100 * tree-vrp.c (find_conditional_asserts): Update comments.
5101 (simplify_stmt_for_jump_threading): New.
5102 (identify_jump_threads, finalize_jump_threads): New.
5103 (vrp_finalize): Call identify_jump_threads.
5104 (execute_vrp): Call finalize_jump_threads.
5105 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5106 (vrp_element, vrp_data, vrp_element_p): Remove.
5107 (vrp_hash_elt, vrp_variables_stack): Remove.
5108 (vrp_hash, vrp_eq, record_range): Remove.
5109 (simplify_cond_and_lookup_avail_expr): Remove.
5110 (extract_range_from_cond): Remove.
5111 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5112 (simplify_stmt_for_jump_threading): New.
5113 (dom_thread_across_edge): New wrapper.
5114 (tree_ssa_dominator_optimize): No longer initialize or
5115 finalize any of the VRP datastructures. Remove iteration
5116 step and simplify as a result of removal of iteration step.
5117 (pass_dominator): Perform a cfg cleanup after DOM.
5118 (dom_opt_finalize_block): Use the new common routines
5119 for threading jumps. Simplify stack management slightly.
5120 No longer need to unwind VRP state.
5121 (record_equivalences_from_incoming_edge): No longer record
5123 (eliminate_redundant_computations): No longer call
5124 simplify_cond_and_lookup_avail_expr.
5125 * tree-flow.h (potentially_threadable_block): Prototype.
5126 (thread_across_edge): Likewise.
5127 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5128 (tree-ssa-threadedge.o): Add dependencies.
5129 * tree-ssa-threadedge.c: New file.
5130 * passes.c (init_optimization_passes): Merge PHIs before
5131 calling VRP. Run VRP again late in the SSA optimization pipeline.
5133 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5135 * df-core.c (df_set_blocks): Do not dereference function pointers.
5136 (df_finish1): Likewise.
5137 (df_hybrid_search_forward): Likewise.
5138 (df_hybrid_search_backward): Likewise.
5139 (df_iterative_dataflow): Likewise.
5140 (df_analyze_problem): Likewise.
5141 (df_compact_blocks): Likewise.
5142 (df_dump): Likewise.
5143 * df-scan.c (df_rescan_blocks): Likewise.
5144 (df_record_entry_block_defs): Likewise.
5146 * genconditions.c (write_conditions): Guard the definition of
5147 'insn_conditions' with the check on GCC version.
5148 (write_writer): Guard the traversal 'insn_conditions' with
5149 the check on GCC version.
5151 2006-02-07 Richard Guenther <rguenther@suse.de>
5155 2006-01-30 Richard Guenther <rguenther@suse.de>
5157 * gimplify.c (gimplify_target_expr): Handle easy cases
5158 without creating a temporary.
5160 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5162 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5163 use of float in probability computations. Use edge probabilities
5164 in place of statically computed probabilities.
5165 (min_spec_prob): New static variable.
5166 (schedule_insns): Initialize it.
5167 (GET_SRC_PROB): Removed.
5168 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5170 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5173 * config/ia64/unwind-ia64.c: Revert last change.
5174 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5175 (INCOMING_FRAME_SP_OFFSET): Define.
5177 2006-02-06 Roger Sayle <roger@eyesopen.com>
5179 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5181 2006-02-07 Ben Elliston <bje@au.ibm.com>
5183 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5184 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5185 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5186 (ix86_return_in_memory): Handle TDmode.
5187 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5188 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5190 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5192 * reorg.c (dbr_schedule): Use dump_file instead of file.
5194 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5197 * config/ia64/predicates.md (extr_len_operand): New predicate.
5198 * config/ia64/ia64.md (extv): Tighten constraints.
5200 (*tbit_and_2): Ditto.
5201 (*tbit_and_3): Ditto.
5202 (*tbit_or_2): Ditto.
5203 (*tbit_or_3): Ditto.
5207 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5210 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5212 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5214 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5215 loop_optimizer_init and loop_optimizer_finalize
5216 * tree-ssa-sink.c (execute_sink_code): Ditto.
5217 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5218 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5219 tree_ssa_loop_done): Ditto.
5220 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5221 * sched-ebb.c: Include output.h.
5222 (schedule_ebbs): Do not use dump argument.
5223 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5224 * loop.c (loop_dump_stream): Removed.
5225 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5227 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5228 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5229 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5230 loop_iterations, strength_reduce, record_biv, record_giv,
5231 final_giv_value, check_final_value, check_ext_dependent_givs,
5232 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5233 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5234 dump_file instead of loop_dump_stream.
5235 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5237 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5239 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5240 * haifa-sched.c: Include output.h
5241 (schedule_insns, sched_init): Do not use dump argument.
5242 * mode-switching.c (optimize_mode_switching): Ditto.
5243 * modulo-sched.c (stats_file): Removed.
5244 (print_node_sched_params): Do not call argument dump_file.
5245 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5246 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5248 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5250 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5251 rtl_loop_init, rtl_loop_done): Ditto.
5252 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5253 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5255 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5256 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5257 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5258 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5259 * emit-rtl.c (renumber_insns): Ditto.
5260 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5261 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5262 * regclass.c (regclass): Ditto.
5263 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5264 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5265 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5266 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5268 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5269 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5271 * gcse.c (gcse_file, debug_stderr): Removed.
5272 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5273 rest_of_handle_gcse): Do not use dump argument.
5274 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5275 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5276 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5277 compute_code_hoist_vbeinout, compute_code_hoist_data,
5278 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5279 compute_store_table, build_store_vectors, insert_insn_start_bb,
5280 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5281 store_motion): Use dump_file instead of gcse_file.
5282 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5283 * profile.c (profile_dump_file): Removed.
5284 (branch_prob): Use dump_file instead of profile_dump_file.
5285 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5287 * tree-ssa-copy.c (dump_copy_of): Ditto.
5288 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5289 dump file to life_analysis.
5290 * bt-load.c (branch_target_load_optimize): Ditto.
5291 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5293 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5294 regclass, dbr_schedule): Declaration changed.
5295 * sched-int.h (sched_init): Declaration changed.
5296 * tree-profile.c (tree_profile_dump_file): Removed.
5297 (tree_profile_hooks): Removed profile_dump_file hook.
5298 * rtl-profile (rtl_profile_dump_file): Removed.
5299 (rtl_profile_hooks): emoved profile_dump_file hook.
5300 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5302 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5303 * tree-cfg.c (build_tree_cfg): Ditto.
5304 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5305 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5306 Declaration changed.
5307 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5308 life_analysis and schedule_insns.
5309 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5311 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5313 * config/mips/mips.c (mips_reorg): Ditto.
5314 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5317 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5319 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5320 (s390_mangle_fundamental_type): New.
5321 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5324 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5325 (alpha_mangle_fundamental_type): New.
5326 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5329 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5331 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5333 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5334 (sparc_mangle_fundamental_type): New.
5336 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5338 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5339 (s390x-*-linux*): Likewise.
5340 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5341 * config/s390/t-linux: New file.
5343 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5345 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5346 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5348 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5350 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5351 (ANTIC_SAFE_LOADS): New macro.
5352 (find_or_generate_expression): Add prototype.
5353 (set_contains_value): Allow null set for sake of not always having
5354 to allocate ANTIC_SAFE_LOADS.
5355 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5356 Allow COMPONENT_REF too.
5357 (valid_in_set): Allow COMPONENT_REF.
5358 Check ANTIC_SAFE_LOADS too.
5359 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5360 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5362 (can_PRE_operation): Add COMPONENT_REF.
5363 (create_component_ref_by_pieces): New function.
5364 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5365 (insert_aux): Move AGGREGATE_TYPE_P check here.
5366 (compute_avail): Set bb local stmt uids.
5367 (pass_pre): Use TODO_update_ssa_only_virtuals.
5369 2006-02-06 Ben Elliston <bje@au.ibm.com>
5371 * configure.ac: Unconditionally disable decimal float by default.
5372 * configure: Regenerate.
5374 2006-02-06 Ben Elliston <bje@au.ibm.com>
5376 * read-rtl.c (read_name): Terminate reading on EOF.
5378 2006-02-06 Ben Elliston <bje@au.ibm.com>
5380 * dfp.c (decimal_real_arithmetic): Change second argument type
5381 from int to enum tree_code. Do not always return true, but now
5382 return result of any call to decimal_do helper functions.
5383 * dfp.h (decimal_real_arithmetic): Update prototype.
5385 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5387 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5389 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5392 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5395 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5397 * tree-vrp.c (cfg_loops): Removed.
5398 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5399 Use current_loops instead of cfg_loops. Pass flags to
5400 loop_optimizer_init.
5401 * cfgloopmanip.c (fix_loop_structure): Update only available
5403 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5404 loop_optimizer_init.
5405 * modulo-sched.c (build_loops_structure): Removed.
5406 (sms_schedule): Use loop_optimizer_init.
5407 * loop-init.c (loop_optimizer_init): Use flags to determine
5408 which properties of loops to prepare.
5409 (rtl_loop_init): Pass flags to loop_optimizer_init.
5410 * tree-ssa-sink.c (execute_sink_code): Ditto.
5411 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5412 * tree-ssa-pre.c (init_pre): Ditto.
5413 * cfgloop.h (LOOPS_NORMAL): New.
5414 (loop_optimizer_init): Declaration changed.
5416 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5418 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5419 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5421 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5423 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5425 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5426 * pa/t-pa64: Delete quadlib.c rule.
5427 * pa/x-ada: Revert last change.
5428 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5430 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5432 PR rtl-optimization/26087
5433 * rtlanal.c (canonicalize_condition): Do not cross basic block
5436 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5439 * config/ia64/ia64.c: Include debug.h.
5440 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5441 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5442 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5443 (process_epilogue, process_set, process_for_unwind_directive):
5444 Output unwind info only if requested. Add CFA info if requested.
5445 Add new arguments as needed. Adjust callers.
5446 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5448 (DWARF2_FRAME_INFO): Define to zero.
5449 * config/ia64/unwind-ia64.c: Remove code that compensated for
5450 the CFA offset error fixed above.
5451 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5452 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5453 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5454 -funwind-tables and -fexceptions to enable frame info.
5455 (dwarf2out_frame_init): Define initial CFA even if
5456 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5457 DWARF2_UNWIND_INFO is nonzero, not just defined.
5458 (dwarf2out_frame_finish): Output non-EH call frame info only
5459 if DWARF2_FRAME_INFO is nonzero.
5460 (convert_cfa_to_loc_list,
5461 compute_frame_pointer_to_cfa_displacement): Define even if
5462 unwind info is not supported.
5463 (gen_subprogram_die): Use the above unconditionally. Remove
5464 legacy alternate code.
5465 * toplev.c (compile_file): Compile in call to
5466 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5467 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5469 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5470 Jakub Jelinek <jakub@redhat.com>
5472 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5473 IBM extended float format long double as "g" on powerpc*-linux.
5475 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5478 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5479 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5481 2006-02-03 Jason Merrill <jason@redhat.com>
5484 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5487 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5488 on the return slot if it's an NRV.
5490 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5492 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5493 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5494 rewrite_use): Do not handle USE_OUTER.
5495 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5496 add_iv_outer_candidates, may_replace_final_value,
5497 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5498 (find_interesting_uses_op): Functionality of
5499 find_interesting_uses_outer_or_nonlin moved here.
5500 (find_interesting_uses_outside): Use find_interesting_uses_op.
5502 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5505 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5507 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5508 Ulrich Weigand <uweigand@de.ibm.com>
5511 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5512 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5513 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5514 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5516 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5517 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5518 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5519 Define secondary reloads for TFmode moves.
5520 (constant_modes): Add TFmode.
5521 (NR_C_MODES): Set to 8.
5522 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5524 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5525 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5526 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5527 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5528 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5529 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5530 (FPR mode macro): Add TFmode.
5531 (DSF mode macro): New.
5532 (<de>, <dee> mode attributes): Removed.
5533 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5534 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5535 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5536 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5537 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5538 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5539 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5540 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5541 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5542 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5543 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5544 "*negabs<mode>2", "sqrt<mode>2"):
5545 Changed <de> to <xde>. R constraint replaced by <Rf>.
5546 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5548 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5549 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5550 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5552 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5553 "extenddftf2", "extendsftf2"): New expanders.
5554 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5555 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5556 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5557 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5559 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5560 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5561 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5562 __floatditf): Add a GCC_4.1.0 symbol version tag.
5563 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5566 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5569 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5570 Use targetm.binds_local_p instead of TREE_PUBLIC.
5572 2006-02-02 Roger Sayle <roger@eyesopen.com>
5574 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5575 on INTEGER_TYPEs to indicate that it denotes a character type.
5576 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5577 signed_char_type_node, unsigned_char_type_node and char_type_node.
5578 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5579 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5580 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5582 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5583 Daniel Berlin <dberlin@dberlin.org>
5585 * tree-tailcall.c (arg_needs_copy_p): New function.
5586 (eliminate_tail_call): Use arg_needs_copy_p.
5587 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5588 (add_virtual_phis): New function.
5590 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5592 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5593 #ignore instead of #scratch for %g7 .register directive.
5595 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5597 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5600 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5602 * flow.c (calculate_global_regs_live): Assert that there aren't any
5605 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5607 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5609 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5610 bsi_after_labels iterator.
5611 * tree-if-conv.c (find_phi_replacement_condition,
5612 replace_phi_with_cond_modify_expr): Likewise.
5613 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5614 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5616 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5618 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5620 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5623 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5624 array after growing it.
5626 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5629 * fold-const.c (fold_checksum_tree): Change type of buf.
5631 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5633 * reload.c (push_secondary_reload): Initialize t_icode.
5635 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5637 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5638 -msoft-float -mlong-double-128 only issue a warning, but don't
5639 swich to DFmode long double.
5641 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5643 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5644 has a constant equivalent, iterate over equivalents for arg0,
5645 calling simplify_relational_operation and if there's a result
5646 cheaper than X, apply fold_rtx and return the result.
5648 2006-02-01 Jan Hubicka <jh@suse.cz>
5650 * opts.c (no_unit_at_a_time_default): New global variable.
5651 (decode_options): Use it.
5652 * opts.h (no_unit_at_a_time_default): Declare.
5654 2006-02-01 Paul Brook <paul@codesourcery.com>
5656 * function.c (assign_parm_setup_reg): Use function argument promotion
5658 * expr.c (expand_expr_real_1): Use function argument promotion rules
5661 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5663 * gcc.c (process_command): Change j to 'unsigned int'.
5665 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5668 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5669 Use the corrected index for the character
5670 out of the string constant.
5672 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5674 * mode-switching.c (optimize_mode_switching): Fix size
5675 allocated for bb_info[n_entities].
5677 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5679 * gcc.c (main): Correct type that is allocated for
5680 explicit_link_files.
5682 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5684 * config/s390/s390.c (init_alignment_context): Set
5685 ALIAS_SET_MEMORY_BARRIER on the MEM.
5686 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5688 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5691 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5693 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5696 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5698 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5699 * regrename.c: Ditto.
5700 * tree-ssa-loop-im.c: Ditto.
5701 * tree-dump.c: Ditto.
5702 * tree-complex.c: Ditto.
5703 * genrecog.c: Ditto.
5704 * tree-ssa-threadupdate.c: Ditto.
5706 * java/class.c: Ditto.
5707 * java/jcf-parse.c: Ditto.
5708 * java/resource.c: Ditto.
5709 * java/except.c: Ditto.
5710 * java/jvspec.c: Ditto.
5711 * java/jcf-write.c: Ditto.
5712 * java/jcf-path.c: Ditto.
5713 * java/gjavah.c: Ditto.
5714 * java/zextract.c: Ditto.
5715 * java/jcf-io.c: Ditto.
5716 * java/jcf.h: Ditto.
5717 * java/buffer.c: Ditto.
5718 * java/lang.c: Ditto.
5719 * java/parse-scan.y: Ditto.
5720 * java/lex.c: Ditto.
5721 * java/lex.h: Ditto.
5722 * cfgloopmanip.c: Ditto.
5723 * postreload-gcse.c: Ditto.
5724 * tree-ssa-loop-manip.c: Ditto.
5725 * postreload.c: Ditto.
5726 * tree-ssa-loop-ch.c: Ditto.
5730 * diagnostic.c: Ditto.
5732 * genoutput.c: Ditto.
5734 * cfghooks.c: Ditto.
5735 * cfgloopanal.c: Ditto.
5736 * objc/objc-act.c: Ditto.
5738 * genextract.c: Ditto.
5739 * genautomata.c: Ditto.
5740 * pretty-print.c: Ditto.
5742 * cgraphunit.c: Ditto.
5745 * haifa-sched.c: Ditto.
5746 * dominance.c: Ditto.
5748 * tree-ssa-loop-ivopts.c: Ditto.
5750 * mode-switching.c: Ditto.
5751 * modulo-sched.c: Ditto.
5753 * ipa-pure-const.c: Ditto.
5755 * fix-header.c: Ditto.
5757 * tree-stdarg.c: Ditto.
5758 * ipa-utils.c: Ditto.
5759 * loop-init.c: Ditto.
5760 * ipa-inline.c: Ditto.
5763 * alloc-pool.c: Ditto.
5764 * dwarf2out.c: Ditto.
5766 * genattrtab.c: Ditto.
5767 * tree-ssa-loop-ivcanon.c: Ditto.
5771 * fortran/gfortranspec.c: Ditto.
5773 * local-alloc.c: Ditto.
5774 * langhooks.c: Ditto.
5775 * function.c: Ditto.
5776 * tree-vectorizer.c: Ditto.
5778 * ipa-type-escape.c: Ditto.
5780 * tree-if-conv.c: Ditto.
5783 * tree-data-ref.c: Ditto.
5784 * loop-unroll.c: Ditto.
5785 * treelang/treetree.c: Ditto.
5788 * ggc-common.c: Ditto.
5790 * coverage.c: Ditto.
5792 * tree-cfgcleanup.c: Ditto.
5793 * tree-ssa-pre.c: Ditto.
5794 * cfgcleanup.c: Ditto.
5795 * loop-invariant.c: Ditto.
5797 * ipa-prop.c: Ditto.
5798 * print-tree.c: Ditto.
5799 * conflict.c: Ditto.
5800 * ggc-page.c: Ditto.
5801 * sched-deps.c: Ditto.
5802 * regclass.c: Ditto.
5803 * tree-object-size.c: Ditto.
5805 * bb-reorder.c: Ditto.
5806 * resource.c: Ditto.
5807 * var-tracking.c: Ditto.
5809 * df-problems.c: Ditto.
5810 * reg-stack.c: Ditto.
5813 * sched-rgn.c: Ditto.
5814 * tree-ssa-structalias.c: Ditto.
5815 * tree-ssa-reassoc.c: Ditto.
5816 * config/darwin-c.c: Ditto.
5817 * config/darwin.c: Ditto.
5818 * config/arm/arm.c: Ditto.
5820 * collect2.c: Ditto.
5823 2006-01-31 Nicolas Pitre <nico@cam.org>
5825 * arm.md (smaxsi3): Make aware of smax_m1.
5828 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5830 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5832 2006-01-31 Richard Guenther <rguenther@suse.de>
5834 * doc/invoke.texi (-msselibm): Document.
5835 * target.h (expand_library_builtin): New target hook.
5836 * builtins.c (expand_builtin): Use expand_library_builtin.
5837 (default_expand_library_builtin): New function.
5838 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5839 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5840 (link_gcc_math_spec): Declare.
5841 (static_specs): Add link_gcc_math_spec.
5842 * expr.h (default_expand_library_builtin): Declare.
5843 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5844 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5845 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5846 * config/i386/i386.opt (msselibm): New target option.
5847 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5848 (ix86_init_sse_abi_builtins): New function.
5849 (ix86_expand_library_builtin): Likewise.
5850 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5851 (override_options): Handle error conditions wrt -msselibm.
5852 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5853 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5854 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5857 2006-01-31 Richard Guenther <rguenther@suse.de>
5858 Paolo Bonzini <bonzini@gnu.org>
5860 * doc/install.texi (--disable-libgcc-math): Document.
5862 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5864 * expr.h (expand_normal): new inline function.
5865 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5867 * dwarf2out.c: use it.
5872 * config/sparc/sparc.c: use it.
5873 * config/i386/i386.c: use it.
5874 * config/rs6000/rs6000.c: use it.
5875 * config/arm/arm.c: use it.
5876 * config/mips/mips.c: use it.
5877 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5879 2006-01-30 Roger Sayle <roger@eyesopen.com>
5881 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5882 argv to the appropriate type.
5884 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5886 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5889 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5892 * config/s390/s390.c (struct machine_function): New flag
5893 decomposed_literal_pool_addresses_ok_p.
5894 (s390_reorg): Set it before final stage of literal pool transforms.
5895 (s390_decompose_address): Only accept displacements of the form
5896 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5898 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5900 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5901 the comparison routine return.
5903 2006-01-30 Michael Matz <matz@suse.de>
5905 * global.c (find_reg): Only evict for global regs.
5906 Take n_refs into account and dump more info.
5908 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5911 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5912 (pragma_trap, pragma_nosave_low_regs): Likewise.
5913 (current_function_anonymous_args): Likewise.
5914 (sh_deferred_function_attributes): New variable.
5915 (sh_deferred_function_attributes_tail): Likewise.
5916 (print_operand): For '@', look up trap_exit attribute.
5917 (calc_live_regs): Look up trapa_handler attribute. For trapa
5918 handlers, save/restore fpscr, but don't do any other
5919 interrupt-specific saves.
5920 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5921 Fix check for partially saved registers to check for SHmedia.
5922 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5923 (sh_output_function_epilogue): Don't clear any of the removed
5925 (sh_insert_attributes): Don't check pragma_interrupt.
5926 Insert deferred attributes. Check that interrupt attribute is
5927 present for other attributes that require its presence.
5928 (sh_attribute_table): Add new attributes trapa_handler and
5930 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5931 Don't check for pragma_interrupt. Don't store argument.
5932 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5933 (sh_deferred_function_attributes): Declare.
5934 (sh_deferred_function_attributes_tail): Likewise.
5935 * sh.md (sp_switch_1): Add operand. Change generator caller.
5936 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5937 (*return_i): Don't use when trap_exit attribute is in effect.
5938 (*return_trapa): New insn pattern.
5940 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5941 setting c_target_objs and cxx_target_objs.
5942 * t-sh: Add rule for sh-c.o.
5944 2006-01-30 Richard Guenther <rguenther@suse.de>
5947 * gimplify.c (gimplify_target_expr): Handle easy cases
5948 without creating a temporary.
5950 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5952 * vec.h (safe_grow): Remove duplicated line.
5954 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5957 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5958 (expand_omp): ... here.
5959 (expand_omp_parallel): Only remove barriers for combined
5960 parallel+workshare constructs.
5962 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5966 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5967 * tree.c (build_qualified_type): Chain the new type to the original
5968 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5969 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5970 (build_pointer_type_for_mode): Only return unqualified types.
5971 (build_reference_type_for_mode): Likewise.
5973 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5975 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5976 * Makefile.in (CXX_COMPAT_WARN): Define.
5977 * configure: Regenerate.
5979 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5982 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5985 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5987 * toplev.c: Fix thinko.
5989 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5990 Marcin Dalecki <martin@dalecki.de>
5992 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5993 (push_srcloc): Use XNEW.
5994 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5996 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5998 * df-core.c (df_set_blocks): Deleted all variable.
6000 2006-01-28 Ian Lance Taylor <ian@airs.com>
6002 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6003 cgraph_output_pending_asms.
6005 2006-01-28 Zack Weinberg <zackw@panix.com>
6007 * c.opt: Add -W(no-)overlength-strings.
6008 * doc/invoke.texi: Document it.
6009 * c-opts.c (c_common_handle_option): -pedantic implies
6010 -Woverlength-strings, if not explicitly disabled already.
6011 (c_common_post_options): -Woverlength-strings defaults to off, and
6012 is always off for C++.
6013 * c-common.c (fix_string_type): Issue warning about strings longer
6014 than is portable only if warn_overlength_strings. Rearrange code
6015 a little for clarity.
6016 * configure.in: Check for -Wno-overlength-strings as well before
6017 enabling -pedantic in stage 1.
6018 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6019 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6021 * genconditions.c (write_header, write_one_condition)
6022 (write_conditions, write_writer): Consolidate very long strings
6023 that were broken up to fit in C89 portable limit. Don't use
6024 printf when fputs will do.
6026 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6028 * combine.c (simplify_comparison <AND>): Check
6029 TRULY_NOOP_TRUNCATION before start using a subreg.
6031 * config/mips/mips.md (*branch_zero<mode>,
6032 *branch_zero<mode>_inverted, *branch_equality<mode>,
6033 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6034 Remove mode check from comparisons.
6036 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6038 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6040 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6042 * expmed.c (const_mult_add_overflow_p): Remove.
6043 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6045 * recog.c (validate_replace_rtx_subexp): Remove.
6046 * recog.h: Remove the prototype for
6047 validate_replace_rtx_subexp.
6049 * integrate.h: Remove the prototype for
6050 copy_decl_for_inlining.
6051 * rtl.h: Remove the prototype for mark_constant_function.
6052 * tree-vectorizer.h: Remove the prototype for
6053 vect_strip_conversion.
6055 * modulo-sched.c (create_partial_schedule,
6056 free_partial_schedule, reset_partial_schedule): Make them
6059 * hooks.c (hook_bool_rtx_int_false): Remove.
6060 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6062 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6064 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6065 and -mlong-double-128 are incompatible.
6066 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6067 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6068 (TARGET_LIBGCC2_CFLAGS): Define.
6069 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6070 (TARGET_LIBGCC2_CFLAGS): Same.
6071 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6073 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6076 * c-typeck.c (build_binary_op): Perform implicit casts of
6077 operands before shortening them.
6079 * cfgloopmanip.c (split_loop_bb): Remove.
6080 * cfgloop.h: Remove the prototype for split_loop_bb.
6082 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6083 * cfgloop.h: Remove the prototype for
6084 flow_loop_outside_edge_p.
6086 * emit-rtl.c (init_virtual_regs): Make it static.
6087 * function.h: Remove the prototype for init_virtual_regs.
6089 * recog.c (peephole2_optimize): Make it static.
6090 * recog.h: Remove the prototype for peephole2_optimize.
6092 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6094 * df-scan.c (df_record_entry_block_defs): Check if
6095 INCOMING_RETURN_ADDR_RTX is defined.
6097 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6098 Kenneth Zadeck <zadeck@naturalbridge.com>
6100 PR rtl-optimization/24762
6101 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6102 * targhooks.c (hook_void_bitmap): New hook prototype.
6103 * targhoohs.h (hook_void_bitmap): Ditto.
6104 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6105 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6106 * target.h (live_on_entry): New function pointer.
6107 * df-scan.c (df_all_hard_regs): Removed.
6108 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6109 (df_scan_free_internal): Added df->entry_block_defs.
6110 (df_scan_alloc): Ditto.
6111 (df_scan_dump): Ditto.
6112 (df_uses_record): Plumbed flag field properly thru calls.
6113 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6114 This part fixes PR24762.
6115 (df_bb_refs_record): Added code to make the frame and arg
6116 pointers live in EH blocks.
6117 (df_refs_record): Added call to df_record_entry_block_defs.
6118 (df_record_entry_block_defs): New function.
6119 * df-core.c: Added comments to describe new artifical defs.
6120 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6121 (entry_block_defs): New field in struct df.
6122 (df_all_hard_regs): Deleted.
6123 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6124 * df-problems.c (df_ru_bb_local_compute_process_def):
6125 Added code to handle artifical defs in the entry to a function.
6126 (df_ru_bb_local_compute): Ditto.
6127 (df_rd_bb_local_compute_process_def): Ditto.
6128 (df_rd_bb_local_compute): Ditto.
6129 (df_lr_bb_local_compute): Ditto.
6130 (df_ur_bb_local_compute): Ditto.
6131 (df_urec_bb_local_compute): Ditto.
6132 (df_chain_create_bb): Ditto.
6133 (df_ur_local_finalize): Removed entry.
6134 (df_urec_init): Ditto.
6135 (df_urec_local_finalize): Ditto.
6136 (df_ri_bb_compute): Added detection of last use of pseudos.
6137 * Makefile.in (df-scan.o): Updated dependencies.
6138 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6139 * config/mips/mips.c (mips_set_live_on_entry): Added.
6140 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6142 * dce.c (marked_insn_p): Added code to handle artifical defs.
6144 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6146 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6148 (_mm_cvtsi128_si64): Likewise.
6149 (_mm_cvtsd_si64): Likewise.
6150 (_mm_cvttsd_si64): Likewise.
6151 (_mm_cvtsi64_sd): Likewise.
6152 (_mm_cvtsi64_si128): Likewise.
6153 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6154 (_mm_cvtsi64_m64): Likewise.
6155 (_m_to_int64): Likewise.
6156 (_mm_cvtm64_si64): Likewise.
6157 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6158 (_mm_cvttss_si64): Likewise.
6159 (_mm_cvtsi64_ss): Likewise.
6160 (_mm_cvtss_f32): Likewise.
6162 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6164 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6165 for pragma redefine_extname.
6167 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6170 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6171 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6172 -mno-minimal-toc to previous content.
6173 (bispecs): Remove goal.
6174 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6175 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6176 compatibility aliases on powerpc-*-*gnu*.
6177 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6178 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6179 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6180 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6181 (ldblspecs): New goal.
6182 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6183 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6185 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6186 L_sf_to_tf or L_df_to_tf is defined.
6188 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6189 Alan Modra <amodra@bigpond.net.au>
6192 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6193 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6194 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6195 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6196 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6197 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6198 (rs6000_override_options): Initialize rs6000_ieeequad.
6199 Initialize TFmode format to ibm_extended_format if not
6201 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6203 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6204 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6205 (function_arg_advance): IBM long double passed in two FPRs, not
6207 (function_arg): IBM long double passed in FPRs.
6208 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6209 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6210 Only multireg GPR aligned.
6211 (rs6000_init_libfuncs): Enable IBM long double functions if not
6213 (rs6000_generate_compare): Use IBM long double compare if not
6215 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6216 (TARGET_IEEEQUAD): Define.
6217 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6218 not TARGET_IEEEQUAD.
6219 * config/rs6000/rs6000.md: Enable TFmode patterns if
6221 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6222 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6223 and -mlong-double-128 are incompatible.
6224 * doc/invoke.texi (-mabi): Collect options together. Add
6225 ibmlongdouble and ieeelongdouble.
6227 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6229 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6231 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6232 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6233 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6234 * rtl.h (rtunion_def): Remove rt_ptr.
6236 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6237 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6238 * config/i386/winnt.c (i386_pe_mark_dllexport)
6239 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6241 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6243 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6245 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6249 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6250 pthread_key_delete. From John David Anglin. gthrw-ify
6251 pthread_getunique_np only if it it's not a macro. Delete
6253 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6254 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6255 __gthread_objc_condition_signal, __gthread_key_delete): Add
6256 "__attribute__ ((__unused__))" to unused arguments.
6257 (__gthread_recursive_mutex_init_function): Add missing return.
6258 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6259 gthr-posix95.h: Use macro-based approach for name redirection
6260 on targets missing weakref.
6262 2006-01-26 Zack Weinberg <zackw@panix.com>
6264 * genconditions.c (write_header): In generated code, #ifdef out
6265 all includes and fake declarations, except includes of bconfig.h
6266 and system.h, unless GCC_VERSION >= 3001. Do not include
6267 gensupport.h in any case.
6268 (write_conditions): Generate a definition of struct c_test. Add
6269 a comment to the generated #endif.
6270 (write_one_condition): Escape backslashes in string too.
6271 (write_writer): Generated code must escape backslashes and quote
6272 marks (but not newlines) in the strings it writes.
6273 * Makefile.in (build/gencondmd.o): Update dependencies.
6275 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6278 * Makefile.in (insn-automata.o): Add header file dependencies.
6279 * genautomata.c: Add includes.
6281 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6284 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6286 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6288 * configure.ac: Expect target tools paths to be passed from the toplevel
6289 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6291 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6293 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6296 * c.opt (Wpointer-sign): Init to -1.
6297 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6298 OPT_pedantic, to 0 otherwise.
6299 * doc/invoke.texi: Update.
6301 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6303 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6304 constants provided by 80387 instructions in the destination mode.
6306 2006-01-26 Richard Guenther <rguenther@suse.de>
6307 Andrew Pinski <pinskia@physics.uc.edu>
6310 partial PR tree-opt/17064
6311 * tree-ssa-structalias.c (intra_create_variable_infos):
6312 Create heap variables for incoming parameters if
6313 flag_argument_noalias > 1.
6314 (find_what_p_points_to): Look through default defs of
6317 2006-01-26 Jeff Law <law@redhat.com>
6320 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6321 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6322 within the VR_RANGE, use the VR_RANGE as the result, not the
6324 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6325 bounds for the type.
6327 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6329 * tree-ssa-alias.c (maybe_create_global_var): Change
6330 subvar walking to an assertion that we don't have subvar'd variables.
6332 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6335 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6336 Use a new variable, inner. PARM_DECLs are always non-weak.
6338 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6340 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6343 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6345 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6347 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6349 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6350 (smax_insn, smin_insn, smax_0, smin_0): New.
6352 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6355 * config/cris/cris.c (cris_order_for_addsi3): New function.
6356 * config/cris/cris-protos.h: Prototype it.
6357 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6358 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6359 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6360 (split for "op.S1 [rx=rx+i],ry (swapped)")
6361 (split for "op(s|u).S1 [rx=rx+i],ry")
6362 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6363 Apply cris_order_for_addsi3 when generating addsi3 insns.
6365 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6367 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6368 (TREE_BLOCK): Add call to EXPR_CHECK.
6370 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6373 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6374 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6375 (dump_omp_clauses): ... here.
6376 (dump_generic_node): Handle OMP_CLAUSE.
6377 * tree.c (omp_clause_num_ops): New.
6378 (omp_clause_code_name): New.
6379 (tree_code_size): Handle OMP_CLAUSE.
6380 (tree_size): Likewise.
6381 (make_node): Document handling of OMP_CLAUSE.
6382 (tree_node_structure): Handle OMP_CLAUSE.
6383 (omp_clause_check_failed): New.
6384 (omp_clause_range_check_failed): New.
6385 (omp_clause_operand_check_failed): New.
6386 (build_omp_clause): New.
6387 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6388 * tree.h (enum omp_clause_code): Declare.
6389 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6390 (OMP_CLAUSE_RANGE_CHECK): Define.
6391 (OMP_CLAUSE_ELT_CHECK): Define.
6392 (omp_clause_check_failed): Declare.
6393 (omp_clause_operand_check_failed): Declare.
6394 (omp_clause_range_check_failed): Declare.
6395 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6396 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6397 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6398 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6399 (OMP_CLAUSE_IF_EXPR): Likewise.
6400 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6401 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6402 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6403 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6404 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6405 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6406 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6407 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6408 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6409 (OMP_CLAUSE_CODE): Define.
6410 (OMP_CLAUSE_SET_CODE): Define.
6411 (OMP_CLAUSE_CODE): Define.
6412 (OMP_CLAUSE_OPERAND): Define.
6413 (struct tree_omp_clause): Declare.
6414 (union tree_node): Add field 'omp_clause'.
6415 * treestruct.def (TS_OMP_CLAUSE): Define.
6416 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6417 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6418 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6419 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6420 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6421 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6422 (OMP_CLAUSE): Define.
6423 * print-tree.c (print_node): Handle OMP_CLAUSE.
6424 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6425 * c-typeck.c: Likewise.
6426 * gimplify.c: Likewise.
6427 * c-omp.c: Likewise.
6428 * tree-nested.c: Likewise.
6429 * tree-inline.c: Likewise.
6430 * c-parser.c: Likewise.
6431 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6434 2006-01-25 Roger Sayle <roger@eyesopen.com>
6436 PR rtl-optimization/25703
6437 * combine.c (try_combine): Handle zero_extract and strict_low_part
6438 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6440 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6442 * global.c: Fix comment typos.
6444 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6447 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6448 Use output_addr_const instead of assemble_name.
6450 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6452 * Makefile.in (sched-vis.o): Update dependencies.
6453 * haifa-sched.c (sched_finish): Clear current_sched_info.
6454 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6455 (dump_flow_info): Call it.
6456 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6458 * basic-block.h (dump_bb_info): Declare.
6459 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6460 option, and apply options only for dump files whose TDF_RTL,
6461 TDF_TREE, or TDF_IPA bits match.
6462 * rtl.h: Declare new functions exported from sched-vis.c.
6463 * sched-vis.c: Enable also if scheduling is not used.
6464 (print_value): Print the mode of registers if not inside scheduling.
6465 (print_insn): Make it work outside the scheduler. Beautify the output
6467 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6469 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6471 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6472 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6473 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6474 depending on the value of CONSTANT_POOL_ADDRESS_P.
6475 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6477 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6478 rather than SYMBOL_REF_DECL.
6479 (rtx_constant_pool): Remove const_rtx_sym_htab.
6480 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6481 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6482 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6483 Remove handling of const_rtx_sym_htab.
6484 (find_pool_constant): Delete.
6485 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6486 rather than find_pool_constant.
6487 (get_pool_constant_for_function): Delete.
6488 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6490 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6491 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6492 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6493 (SYMBOL_REF_CONSTANT): New macro.
6494 (get_pool_constant_for_function): Delete.
6495 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6496 rather than SYMBOL_REF_DECL.
6497 (i386_pe_mark_dllimport): Likewise.
6498 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6499 rather than SYMBOL_REF_DECL.
6500 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6501 (machopic_indirect_call_target): Likewise.
6503 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6505 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6507 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6509 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6511 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6513 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6515 2006-01-24 David Daney <ddaney@avtrex.com>
6518 * configure.ac (enable_tls): New enable option.
6519 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6520 * configure: Regenerate.
6521 * doc/install.texi (--enable-tls): Document new option.
6522 (--disable-tls): Ditto.
6524 2006-01-24 Richard Henderson <rth@redehat.com>
6526 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6527 * alias.c (true_dependence): Respect it.
6528 (canon_true_dependence, write_dependence_p): Likewise.
6529 * builtins.c (get_builtin_sync_mem): Set it.
6531 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6533 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6536 2006-01-24 DJ Delorie <dj@redhat.com>
6538 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6539 for storing constants in single-bit bitfields.
6541 2006-01-25 Ben Elliston <bje@au.ibm.com>
6543 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6545 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6548 * tree-ssa-pre.c (phi_translate): Return NULL
6549 for AGGREGATE_TYPE's.
6551 2006-01-24 Zack Weinberg <zackw@panix.com>
6553 * genautomata.c (process_state_for_insn_equiv_partition):
6554 Use xcalloc for insn_arcs_array.
6555 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6556 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6558 2006-01-24 Richard Henderson <rth@redhat.com>
6560 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6563 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6565 PR rtl-optimization/25890
6566 PR rtl-optimization/25905
6567 * combine.c (expand_compound_operation, expand_field_assignment):
6568 Fail if the bitfield's final position is out of bounds.
6570 2006-01-24 Ian Lance Taylor <ian@airs.com>
6573 * cgraphunit.c (cgraph_output_in_order): Don't clear
6574 cgraph_asm_nodes until after asm strings have been output.
6576 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6578 * fix-header.c (read_scan_file): Add new parameter imultilib when
6579 calling register_include_chains.
6581 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6583 * omp-low.c: Update documentation.
6585 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6586 Daniel Berlin <dberlin@dberlin.org>
6590 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6591 return from the function.
6593 2006-01-22 Zack Weinberg <zackw@panix.com>
6595 * rtl.def (match_code): Add second argument.
6596 * genpreds.c (write_extract_subexp): New function.
6597 (write_match_code): Add path argument. Use write_extract_subexp.
6598 (write_predicate_expr): Pass path to write_match_code.
6599 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6600 not perform a mode test.
6601 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6602 a subexpression does not constrain the top-level code set.
6603 * read-rtl.c (read_rtx_variadic): New function.
6604 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6605 * doc/md.texi: Document new notation.
6606 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6607 (cmpsi_operand): ... here, using new notation.
6609 2006-01-22 Zack Weinberg <zackw@panix.com>
6611 * varray.c: Remove GENERATOR_FILE #ifdefs.
6613 2006-01-22 Zack Weinberg <zackw@panix.com>
6615 * genautomata.c (output_reserved_units_table): Emit nothing if
6616 description->query_units_num is zero. Remove extra blank line.
6617 (output_cpu_unit_reservation_p): Short circuit
6618 if description->query_units_num is zero.
6620 2006-01-22 Zack Weinberg <zackw@panix.com>
6622 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6623 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6624 nor any of the random handful of variables that used to be necessary
6625 when this program was linked with rtlanal.o. Prune set of forward
6626 function declarations.
6627 (struct attr_desc): Remove static_p field.
6628 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6629 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6630 (attr_string): Do not read the character one past the length of
6632 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6633 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6634 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6635 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6636 (make_automaton_attrs): New.
6637 (main): Do not call into genautomata. Call local gen_bypass
6638 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6639 Remove special case for insn_alts.
6640 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6641 varray.h (leftover from previous change). Prune set of forward
6642 function declarations. Remove state_alts fields from all
6643 structures. Remove state_alts_table from struct automaton.
6644 Make everything except main static. Do not maintain num_dfa_decls.
6645 Do not maintain state_alts fields of various structures.
6646 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6647 (add_arc): Remove state_alts argument. All callers updated.
6648 (output_reserved_units_table): Emit #ifdef here...
6649 (output_tables): ...not here. Don't generate state_alts tables.
6650 (expand_automata): Don't generate attributes.
6651 (write_automata): Don't generate state_alts functions.
6652 (main): New function.
6653 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6654 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6655 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6656 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6657 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6658 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6659 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6660 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6662 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6663 * genattrtab.h: Delete file.
6664 * Makefile.in (OBJS-common): Add insn-automata.o.
6665 (insn-automata.o): New rule.
6666 (simple_generated_c): Add insn-automata.c.
6667 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6668 (genprogmd): Add automata.
6669 (build/genattrtab): Needs no extra objects nor libraries.
6670 (build/genautomata): Needs build/vec.o and -lm.
6672 2006-01-22 Zack Weinberg <zackw@panix.com>
6674 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6675 (output_dfa_max_issue_rate, locked_states_num): Delete.
6676 (struct automaton): Add locked_states field.
6677 (output_dead_lock_vect): Save number of locked states in
6678 automaton->locked_states. If it is zero, don't print anything.
6679 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6680 (output_internal_dead_lock_func): Only test the dead_lock_vect
6681 for automata that have locked states.
6682 (output_statistics): Always print the number of locked states for
6683 each automaton. Calculate total number of locked states here.
6684 (write_automata): Don't call output_dfa_max_issue_rate.
6685 * genattrtab.c: Define length_unit_log as a const variable.
6686 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6687 max_insn_queue_index const.
6688 * final.c (length_unit_log): Declare const.
6689 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6691 2006-01-22 Zack Weinberg <zackw@panix.com>
6693 * genautomata.c: Include vec.h, not varray.h.
6694 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6695 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6696 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6697 VEC_* macros operating on appropriately typed vectors, or to
6698 malloced arrays when the size is known in advance. Const-ify
6699 many char* variables and function arguments. No functional changes.
6700 * Makefile.in (build/varray.o): Delete rule.
6701 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6702 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6704 2006-01-22 Zack Weinberg <zackw@panix.com>
6706 * gensupport.c: Define get_insn_name and record_insn_name here.
6707 (read_md_rtx): Call record_insn_name as appropriate.
6708 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6709 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6710 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6712 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6713 (BUILD_VARRAY): Delete.
6714 (genprognormal): Rename genprogmd. Fold in all programs from
6715 genprognoprint; also attrtab.
6716 (build/genattrtab): Just mention genautomata.o and varray.o.
6717 Reorganize a bit, add comments to make the categories clearer.
6719 2006-01-22 Zack Weinberg <zackw@panix.com>
6721 * genconditions.c (condition_table, add_condition): Delete.
6722 (write_conditions): Don't emit n_insn_conditions nor
6723 insn_elision_unavailable. Issue the gcc version #ifdef here,
6724 inside the table, with no #else clause ...
6725 (write_header): ...not here.
6726 (write_writer): New function.
6727 (main): Don't initialize condition_table. Use add_c_test.
6729 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6730 files on the command line.
6731 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6732 Return -1 if there is no entry in the table, don't abort.
6733 (add_c_test, traverse_c_tests): New functions.
6734 * gensupport.h (insn_elision_unavailable, insn_conditions)
6735 (n_insn_conditions): Delete declarations.
6736 (add_c_test, traverse_c_tests): Declare.
6737 * read-rtl.c: Include gensupport.h.
6738 (read_conditions): New function.
6739 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6740 (read_rtx_1): If we get EOF when we were looking for an initial
6741 open paren, return 0. Call read_conditions when appropriate.
6742 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6743 dummy-conditions.o. Eliminate references to insn-conditions.o,
6744 or change them to build/gencondmd.o, as appropriate. Remove
6745 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6746 from $(simple_generated_c). For all files remaining in those
6747 two lists, add insn-conditions.md to the generator command line.
6748 Give insn-constants.h/s-constants their own rules. Add rules
6749 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6750 (build/read-rtl.o): Depend on gensupport.h.
6751 (genprognormal): Include preds.
6752 (genprogearly): Rename genprognoprint; only difference is now that
6753 they don't link with $(BUILD_PRINT).
6754 * dummy-conditions.c: Delete.
6756 2006-01-22 Zack Weinberg <zackw@panix.com>
6758 * genextract.c: Don't include insn-config.h. Do include vec.h.
6759 Declare vectors of int, char, and locstr.
6760 (locstr): New typedef.
6761 (struct extraction): Make all array fields into bare pointers.
6762 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6763 (insn_code_number): Delete.
6764 (accum_extract): New struct.
6765 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6766 (gen_insn): Take insn_code_number as an argument. Use an
6767 accum_extract structure instead of loading data directly into
6768 a struct extraction, and having to know how big it might get.
6769 (walk_rtx): Operate entirely on an accum_extract structure.
6770 (print_path): Avoid unnecessary use of printf.
6771 (print_header): New function, split out of main. Distinguish
6772 more carefully between an unrecognizable insn and an insn that
6773 has the code number of a define_expand.
6774 (main): Pass insn_code_number to gen_insn. Call print_header
6775 only after parsing. Avoid unnecessary use of printf.
6776 * Makefile.in (build/vec.o): New rule.
6777 (build/genextract): Depend on build/vec.o.
6778 (build/genextract.o): Don't depend on insn-config.h.
6780 2006-01-22 Zack Weinberg <zackw@panix.com>
6782 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6783 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6784 practical. Eliminate per-generator-program link rules.
6786 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6789 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6790 with a call expr to ...
6791 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6793 2006-01-23 Richard Guenther <rguenther@suse.de>
6795 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6796 before make_edge with conditional EDGE_TRUE_VALUE.
6798 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6799 Jan Hubicka <jh@suse.cz>
6800 Richard Guenther <rguenther@suse.de>
6802 PR rtl-optimization/25654
6803 * cfgexpand.c (aggregate_contains_union_type): New function.
6804 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6805 for structure variables that contain a union type.
6807 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6809 * gengtype.c (new_structure): Return the structure.
6810 (create_option): Add an extra "next" argument.
6811 (create_field): New function.
6812 (adjust_field_rtx_def): Use create_option and create_field.
6813 Remove a now-unnecessary call to find_structure.
6814 (adjust_field_tree_def): Likewise.
6815 (note_yacc_type): Remove an unnecessary call to find_structure.
6816 * gengtype.h (new_structure): Return the structure.
6817 (create_option): Add an extra argument.
6818 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6819 (option): Adjust calls to create_option.
6821 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6823 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6825 2006-01-22 Paul Brook <paul@codesourcery.com>
6826 Peter Barada <peter@the-baradas.com>
6828 * config/m68k/m68k.md: Add Coldfire FPU support.
6829 Define FP mode macro and associated attributes.
6830 Use it for float mode patterns.
6831 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6832 (LIBCALL_VALUE): Use m68k_libcall_value.
6833 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6834 (m68k_function_value): Ditto.
6835 (emit_move_sequence): Ditto.
6836 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6837 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6838 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6839 (MULTILIB_EXCEPTIONS): Ditto.
6840 * config/m68k/m68k.opt: Add mcfv4e.
6841 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6842 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6843 (m68k_output_function_prologue): Save ColdFire FPU registers.
6844 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6845 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6846 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6847 ColdFire FPU registers.
6848 (m68k_libcall_value, m68k_function_value): New functions.
6849 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6850 (LIBCALL_VALUE): Use m68k_libcall_value.
6851 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6852 (MASK_COLDFIRE): Add MASK_CFV4E.
6853 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6854 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6855 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6856 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6857 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6858 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6859 * doc/invoke.tex: Document -mcfv4e on m68k.
6861 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6863 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6866 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6869 * c-opts.c (c_common_handle_option): Don't include
6870 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6871 * doc/invoke.texi (C++ Dialect Options): Document that
6872 -Wnon-virtual-dtor is no longer included in -Wall.
6874 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6876 * gcov.c (print_version), gcov-dump.c (print_version),
6877 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6880 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6882 * df-scan.c (problem_SCAN): Added NULL reset function.
6883 (df_scan_reset_blocks): Added code to call reset block function
6884 (df_bb_refs_delete) Fixed comment.
6885 (df_insn_refs_delete): Made tolerant of deleting non existent info
6886 for dataflow problems that need to be reset.
6887 * df-core.c (df_set_blocks): Ditto.
6888 * df.h (struct df_problem): Added reset_fun.
6889 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6890 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6891 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6892 functions to clear out all references to def-use or use-def chains.
6894 2006-01-21 Ben Elliston <bje@au.ibm.com>
6896 * varasm.c (assemble_real): Initialise data array.
6898 2006-01-20 Paul Brook <paul@codesourcery.com>
6900 Merge from csl-arm-branch.
6901 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6902 * config/arm/arm.md (movdi): Force operands[1] to a register
6903 if we have a non-register source.
6904 (*arm_movdi, *movdf_soft_insn): Require that one of the
6905 operands be a register.
6906 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6907 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6909 2006-01-20 DJ Delorie <dj@redhat.com>
6911 * varasm.c (initialize_constant_valid_p): Allow pointers
6912 initialized from integer constants of lesser precision.
6913 (output_constant): Allow non-int-sized pointer modes to be
6914 initialized from integer constants.
6916 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6919 * cppdefault.h (struct default_include): Add multilib flag.
6920 * cppdefault.c (cpp_include_defaults): Set it.
6921 * c.opt (-imultilib): New option.
6922 * c-opts.c (imultilib): New.
6923 (c_common_handle_option): Handle -imultilib.
6924 (c_common_post_options): Likewise.
6925 * c-incpath.c (add_standard_paths, register_include_chains):
6927 * c-incpath.h (register_include_chains): Add extra parameter.
6928 * gcc.c (do_spec_1): Generate -imultilib option.
6929 (The Specs Language): Update %I description.
6930 (process_command): Update copyright notice.
6931 * doc/cppopts.texi (-imultilib): Document.
6932 * doc/invoke.texi (-imultilib): Include in option summary.
6933 (%I): Update specs documentation.
6935 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6937 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6939 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6941 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6944 2006-01-20 Richard Guenther <rguenther@suse.de>
6945 Steven Bosscher <stevenb.gcc@gmail.com>
6947 PR rtl-optimization/24626
6948 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6949 EDGE_TRUE_VALUE if in RTL mode.
6952 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6953 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6955 2006-01-20 Dirk Mueller <dmueller@suse.com>
6958 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6959 instead of a special NOP marker.
6960 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6961 NOP marker handling.
6962 * c-common.h (empty_body_warning): Add forward declaration.
6963 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6964 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6966 2006-01-20 Paul Brook <paul@codesourcery.com>
6968 * Makefile.in (lang_checks): Keep going if mkdir fails.
6970 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6972 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6973 be able to clean out basic block when not necessary.
6974 (df_scan_free): Fixed to properly delete information if df is
6975 unused before calling df_finish.
6976 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6977 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6979 (df_bb_refs_delete): New function.
6980 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6981 * df-core.c (df_set_blocks): Added code to properly clean out
6982 unused blocks if they are not part of the blocks to consider.
6983 Added additional null check.
6984 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6985 be able to clean out basic block when not necessary
6986 * df.h (df_free_bb_function): Ditto.
6987 (df_bb_refs_delete): New function.
6988 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6989 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6990 basic block parameter to be able to clean out basic block when not
6992 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6993 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6994 Fixed to properly delete information if df is unused before
6997 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6999 PR rtl-optimization/25799
7000 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7001 Corrected confluence operator to remove bits from op2 before oring
7002 with op1 rather than removing bits from op1.
7003 (df_ru_transfer_function): Corrected test on wrong bitmap which
7004 caused infinite loop. Both of these problems were introduced in
7005 the dataflow rewrite.
7007 2006-01-19 DJ Delorie <dj@redhat.com>
7009 * reload1.c (find_reload_regs): Note the details of reload
7010 failures in the dump file.
7011 (spill_failure): Likewise.
7013 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7015 * loop-iv.c: Include df.h and hashtab.h.
7016 (enum iv_grd_result): New enum.
7017 (DF_REF_IV, DF_REF_IV_SET): New macros.
7018 (struct biv_entry): New.
7019 (df, bivs): New global variables.
7020 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7021 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7023 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7024 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7025 analyzed_for_bivness_p, record_biv): New functions.
7026 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7027 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7028 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7030 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7032 (iv_number_of_iterations): Use new interface to iv analysis.
7033 * loop-unroll.c: Do not include varray.h.
7034 (analyze_iv_to_split_insn): Use new interface to iv
7036 * loop-unswitch.c (may_unswitch_on): Ditto.
7037 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7039 (df_bb_modify): Realloc tables to the new index.
7040 (df_find_use): New function.
7041 * df.h (df_find_use): Declare.
7042 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7044 * cfgloop.h (struct rtx_iv): Remove analysed field.
7045 (iv_get_reaching_def): Removed.
7046 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7047 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7048 (loop-iv.o): Add df.h and hashtab.h dependency.
7049 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7051 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7054 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7056 (__floatundisf, __floatundidf): Likewise.
7057 * libgcc2.h (IS_IBM_EXTENDED): Define.
7059 2006-01-19 DJ Delorie <dj@redhat.com>
7061 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7063 2006-01-19 Paul Brook <paul@codesourcery.com>
7065 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7066 as nothrow when unwinding tables are disabled.
7068 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7071 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7072 of bit-field" when in system header.
7074 2006-01-19 DJ Delorie <dj@redhat.com>
7076 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7077 the 16 bit shift limit of the m16c.
7079 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7082 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7083 * config/i386/i386.c (output_set_got): Output the label if we have one
7084 for the TARGET_DEEP_BRANCH_PREDICTION case.
7086 2006-01-19 Jan Hubicka <jh@suse.cz>
7087 H.J. Lu <hongjiu.lu@intel.com>
7088 Evandro Menezes <evandro.menezes@amd.com>
7090 * invoke.texi (generic): Document
7092 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7093 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7094 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7095 (x86_use_incdec, x86_pad_returns): New variables
7096 (TARGET_CPU_DEFAULT_generic): New constant
7097 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7098 (enum processor_type): Add generic32 and generic64.
7099 * i386.md (cpu attribute): Add generic32/generic64
7100 (movhi splitter): Behave sanely when both partial_reg_dependency and
7101 partial_reg_stall are set.
7102 (K8 splitters): Enable for generic as well.
7103 * predicates.md (incdec_operand): Use TARGET_INCDEC
7104 (aligned_operand): Avoid memory mismatch stalls.
7105 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7106 * ppro.md: Enable for generic32
7107 * i386.c (generic64_cost, generic32_cost): New.
7108 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7109 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7110 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7111 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7112 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7113 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7114 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7115 x86_accumulate_outgoing_args, x86_prologue_using_move,
7116 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7117 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7119 (x86_use_incdec, x86_pad_returns): New.
7120 (override_options): Add generic32 and generic64, translate "generic"
7121 to generic32/generic64 and "i686" to "generic32", refuse
7122 "generic32"/"generic64" as arch target.
7123 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7124 (ix86_reorg): Honor PAD_RETURNS.
7126 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7128 * tree-pretty-print.c (dump_generic_node): Handle
7129 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7130 * cgraph.c (cgraph_expand_queue): Rename from
7131 cgraph_analyze_queue. Update all users.
7132 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7133 cgraph_expand_queue.
7134 (cgraph_expand_all_functions): Likewise.
7135 (cgraph_finalize_pending_functions): Remove. Update callers.
7137 * tree.h (OMP_DIRECTIVE_P): Define.
7138 (OMP_PARALLEL_FN): Define.
7139 (OMP_PARALLEL_DATA_ARG): Define.
7140 (OMP_SECTIONS_SECTIONS): Define.
7141 * tree-pass.h (pass_expand_omp): Declare.
7142 * omp-low.c (struct omp_region): Declare.
7143 (struct omp_context): Remove fields 'parallel_type',
7144 'parallel_start_ix' and 'parallel_start_additional_args'.
7146 (struct omp_for_data): Rename from struct expand_omp_for_data.
7147 (omp_regions): New static variable.
7148 (root_omp_region): New static variable.
7149 (find_omp_clause): Make static.
7150 (is_in_combined_parallel_ctx): Remove.
7151 (is_combined_parallel): New.
7152 (extract_omp_for_data): Move earlier in the file.
7153 (workshare_safe_to_combine_p): New.
7154 (get_ws_args_for): New.
7155 (determine_parallel_type): Move earlier in the file.
7156 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7158 (omp_copy_decl): Likewise.
7159 (create_omp_child_function): Likewise.
7160 (lookup_omp_region): New.
7161 (dump_omp_region): New.
7162 (debug_omp_region): New.
7163 (debug_all_omp_regions): New.
7164 (new_omp_region): New.
7165 (scan_omp_parallel): If parallel_nesting_level > 1, the
7166 directive is nested within another parallel directive.
7167 Set OMP_PARALLEL_FN.
7168 (scan_omp_for): Do not try to handle combined parallel+for
7170 Remove FIXME comment.
7171 (scan_omp_nested): Remove.
7172 (scan_omp_1): Do not call scan_omp_nested when
7173 parallel_nesting_level is > 1.
7174 Do not change the DECL_CONTEXT of local variables found.
7175 (lookup_decl_in_outer_ctx): New.
7176 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7177 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7178 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7179 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7180 If CTX is nested, lookup VAR in the outer context when
7181 building copy assignment.
7182 (lower_send_clauses): Rename from expand_send_clauses.
7183 If CTX is nested, lookup VAR in the outer context when
7184 building copy assignments.
7185 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7186 If CTX is nested, lookup VAR in the outer context when
7187 building copy assignments.
7188 (expand_parallel_call): Rename from build_parallel_call.
7189 Handle combined parallel+workshare cases.
7190 Re-implement to emit code into the CFG.
7192 (expand_omp_parallel): Re-implement to emit code into the CFG.
7193 Call move_sese_region_to_fn to outline the sub-graph
7194 containing the parallel region.
7195 (expand_omp_for_1): Remove.
7196 (expand_omp_for_generic): Re-implement to emit code into the
7198 (expand_omp_for_static_nochunk): Likewise.
7199 (expand_omp_for_static_chunk): Likewise.
7200 (expand_omp_for): Likewise.
7201 (expand_omp_sections): Likewise.
7202 (remove_exit_barriers): New.
7203 (expand_omp_synch): New.
7205 (build_omp_regions_1): New.
7206 (build_omp_regions): New.
7207 (execute_expand_omp): New.
7208 (gate_expand_omp): New.
7209 (pass_expand_omp): Define.
7210 (lower_omp_sections): Rename from expand_omp_sections.
7211 Set OMP_SECTIONS_SECTIONS.
7212 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7213 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7214 (lower_omp_single): Rename from expand_omp_simple.
7215 (lower_omp_master): Rename from expand_omp_master.
7216 (lower_omp_ordered): Rename from expand_omp_ordered.
7217 (lower_omp_critical): Rename from expand_omp_critical.
7218 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7219 (lower_omp_for): Re-implement.
7220 (lower_omp_parallel): Re-implement.
7221 (lower_regimplify): Rename from expand_regimplify.
7222 (lower_omp_1): Rename from expand_omp_1.
7223 If there are syntax errors in the program, replace every
7224 OpenMP directive with NOP.
7225 Call lower_omp_* instead of expand_omp_*.
7226 (lower_omp): Rename from expand_omp.
7228 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7229 * tree-gimple.h (enum omp_parallel_type): Remove.
7230 (gimple_boolify): Declare extern.
7231 (find_omp_clause, determine_parallel_type): Remove.
7233 * gimple-low.c (lower_omp_directive): New.
7234 (lower_stmt): Call it.
7235 (record_vars_into): Move from ...
7236 (record_vars): ... here.
7237 Call record_vars_into with current_function_decl.
7239 * gimplify.c (struct gimplify_ctx): Remove fields
7240 combined_pre_p and combined_ctxp. Update users.
7241 (get_formal_tmp_var): Add documentation.
7242 (gimple_boolify): Make extern.
7243 (gimplify_expr_in_ctx): Remove. Update callers.
7244 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7245 will always be a BIND_EXPR.
7246 (gimplify_expr): Handle OMP_RETURN_EXPR.
7247 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7248 (OMP_PARALLEL): Add 3 operands.
7249 (OMP_SECTIONS): Add 1 operand.
7250 (OMP_RETURN_EXPR): Define.
7252 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7253 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7254 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7255 creating a circular free list.
7256 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7258 * tree-flow.h (move_sese_region_to_fn): Declare.
7259 (record_vars_into): Declare.
7260 * tree-cfg.c (make_omp_sections_edges): New.
7261 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7262 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7263 OMP_SECTIONS and OMP_SECTION.
7264 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7265 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7266 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7267 (gather_blocks_in_sese_region): New.
7268 (struct move_stmt_d): Declare.
7270 (move_block_to_fn): New.
7271 (move_sese_region_to_fn): New.
7273 * passes.c (init_optimization_passes): Schedule
7274 pass_expand_omp after pass_init_datastructures.
7276 * tree-ssa-operands.c (get_expr_operands): Handle
7277 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7278 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7280 2006-01-19 Jeff Law <law@redhat.com>
7282 * tree-vrp.c (extract_range_from_assert): Refine the result range
7283 if the variable referenced by the ASSERT_EXPR has a range and
7284 either the tentative result range or the previous range is a
7287 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7289 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7291 2006-01-19 Jan Hubicka <jh@suse.cz>
7293 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7295 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7297 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7298 (expand_compound_operation, expand_field_assignment): Fail if the
7299 bit lengths of an extract operation are out of range.
7300 (make_extraction): Compute wanted_inner_mode based on the position
7301 and length of the extraction. Make it extraction_mode for non-constant
7302 positions, and do not modify offset in that case. When generating a
7303 new MEM, use a mode that can hold the extraction while keeping correct
7304 alignment. Remove code that supported MEMs wrapped by USEs.
7305 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7307 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7309 * config/s390/s390.md ("Y", "y"): New mode attribute.
7310 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7311 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7312 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7313 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7314 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7315 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7316 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7317 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7318 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7319 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7320 "addsi3", "subsi3"): Insn patterns removed.
7321 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7322 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7323 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7324 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7325 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7326 "*sub<mode>3_cconly2"): New insn patterns.
7327 ("addsi3", "subsi3"): New expanders.
7329 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7331 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7332 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7333 existing STMT_VINFO_VECTYPE if available.
7334 (vect_mark_relevant): Add special handling for stmts that are
7335 marked as STMT_VINFO_IN_PATTERN_P.
7336 (vect_analyze_loop): Call vect_pattern_recog.
7337 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7338 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7340 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7341 (vect_recog_func_ptr): New function-pointer type.
7342 * tree-vect-patterns.c: New file.
7343 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7344 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7345 (vect_pattern_recog_1): New functions.
7346 (vect_pattern_recog_funcs): New array of function pointers.
7348 * tree-vectorizer.h (ternary_op): New enum value.
7349 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7350 declaration. Revised documentation. Removed redundant dump prints.
7351 Removed redundant argument. Added support for reduction patterns.
7352 (vectorizable_reduction): Added support for reduction patterns.
7353 (vect_transform_stmt): Added support for patterns.
7355 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7356 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7357 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7358 (expand_widen_pattern_expr): New function.
7359 (init_optabs): Initialize new optabs udot_prod_optab,
7361 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7362 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7363 (expand_widen_pattern_expr): New function declaration.
7364 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7366 * tree-inline.c (estimate_num_insns_1): Added cases for new
7367 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7368 * tree-pretty-print.c (dump_generic_node): Likewise.
7369 (op_prio): Likewise.
7370 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7371 * tree-ssa-operands.c (get_expr_operands): Added case for
7373 * tree-vect-patterns.c (widened_name_p): New function.
7374 (vect_recog_dot_prod_pattern): Added function implementation.
7375 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7376 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7377 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7378 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7380 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7381 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7382 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7383 (init_optabs): Initialize new optabs widen_ssum_optab,
7385 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7386 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7387 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7388 use instead of type of def.
7389 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7390 function implementation.
7391 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7392 widen_ssumv8hi): New.
7394 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7397 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7400 * c-decl.c (add_flexible_array_elts_to_size): New function.
7401 (finish_decl): Use it.
7403 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7405 * diagnostic.h: Include options.h.
7406 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7407 dependancies for diagnostic.h.
7408 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7410 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7412 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7413 (ssa_ro_call_cache_valid): Ditto.
7414 * tree-ssa-alias.c (sort_tags_by_id): New function.
7415 (init_transitive_clobber_worklist): Ditto.
7416 (add_to_worklist): Ditto.
7417 (mark_aliases_call_clobbered): Ditto.
7418 (compute_tag_properties): Ditto.
7419 (set_initial_properties): Ditto.
7420 (compute_call_clobbered): Ditto.
7421 (compute_may_aliases): Call compute_call_clobbered and grouping.
7422 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7423 (compute_flow_insensitive_aliasing): Grouping now happens in our
7425 (setup_pointers_and_addressables): Remove clobbering related code.
7426 (add_may_alias): Ditto.
7427 (replace_may_alias): Ditto.
7428 (get_nmt_for): Ditto.
7429 (create_global_var):
7430 (is_escape_site): Return an escape_type enumeration.
7431 * tree-flow-inline.h (is_call_clobbered): Global var does not
7432 imply call clobbered.
7433 (mark_call_clobbered): Take a reason for marking this. Remove
7434 marking of globalness, and cache invalidation.
7435 (clear_call_clobbered): Remove cache invalidation code.
7436 * tree-dfa.c (dump_variable): If details is on, dump the reason
7438 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7440 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7441 (struct var_ann_d): Ditto.
7442 (enum escape_type): New.
7443 (mark_call_clobbered): Adjust prototype.
7444 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7445 are never call clobbered.
7446 Record reasons for escaping.
7447 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7448 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7449 (ssa_ro_call_cache_valid): Ditto.
7450 (clobbered_v_may_defs): Ditto.
7451 (clobbered_vuses): Ditto.
7452 (ro_call_vuses): Ditto.
7453 (clobber_stats): New.
7454 (init_ssa_operands): Zero out clobber stats.
7455 (fini_ssa_operands): Print out clobber stats.
7456 (get_call_expr_operands): Pass callee fndecl to
7458 (add_call_clobber_ops): Remove use of cache.
7459 Add use of PURE_CONST information.
7460 (add_call_read_ops): Remove use of cache.
7461 Add use of static not_read information.
7463 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7465 Introduce TLS descriptors for i386 and x86_64.
7466 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7467 (TARGET_ANY_GNU_TLS): New macro.
7468 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7469 (struct machine_function): Add tls_descriptor_call_expanded_p.
7470 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7471 (ix86_current_function_calls_tls_descriptor): Likewise.
7472 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7473 (override_options): Introduce gnu2 tls dialect.
7474 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7476 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7478 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7479 (ix86_init_machine_status): Initialize new field.
7480 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7481 (ix86_tls_module_base): New.
7482 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7483 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7484 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7485 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7486 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7487 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7488 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7489 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7490 * config/i386/predicates.md (tls_modbase_operand): New.
7491 (tp_or_register_operand): New.
7493 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7495 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7496 (look_for_address_of): Ditto.
7497 (ipa_init): Walk the function decls.
7498 (static_execute): Don't set readonly on FUNCTION_DECL's.
7500 2006-01-18 Roger Sayle <roger@eyesopen.com>
7502 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7503 for shifts where the source and destination registers are different.
7505 2006-01-18 Paul Brook <paul@codesourcery.com>
7507 Merge from csl-arm-branch.
7508 2005-03-14 Julian Brown <julian@codesourcery.com>
7509 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7510 (aeabi_llsl): Likewise.
7511 (ashrdi3): Likewise.
7512 (aeabi_lasr): Likewise.
7513 (lshrdi3): Likewise.
7514 (aeabi_llsr): Likewise.
7515 2005-03-10 Julian Brown <julian@codesourcery.com>
7516 * config.gcc: Disable shared libgcc for SymbianOS.
7517 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7519 2006-01-18 DJ Delorie <dj@redhat.com>
7521 * c-pragma.c (handle_pragma_diagnostic): New.
7522 (init_pragma): Register it.
7523 * doc/extend.texi: Document it.
7525 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7526 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7527 (diagnostic_context): Add classify_diagnostic[].
7528 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7529 as errors if they're overridden to DK_WARNING.
7530 (diagnostic_initialize): Initialize classify_diagnostic[].
7531 (diagnostic_set_kind_override): New.
7532 (diagnostic_report_diagnostic): Check for kind changes.
7533 * opts.c (common_handle_option): Take lang_mask. Update callers.
7535 * common.opt (Werror=): New.
7536 * doc/invoke.texi: Document -Werror=*
7538 2006-01-18 Jeff Law <law@redhat.com>
7540 * tree-vrp.c (test_for_singularity): Correct test for new
7541 min limit. Use operand_equal_p rather than pointer equality
7542 for testing if new min/max values are equal.
7544 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7545 using range information until after propagation and folding.
7547 2006-01-18 Richard Henderson <rth@redhat.com>
7548 Aldy Hernandez <aldyh@redhat.com>
7549 Jakub Jelinek <jakub@redhat.com>
7550 Diego Novillo <dnovillo@redhat.com>
7552 * omp-low.c: New file.
7553 * c-omp.c: New file.
7555 2006-01-18 Richard Henderson <rth@redhat.com>
7556 Jakub Jelinek <jakub@redhat.com>
7557 Diego Novillo <dnovillo@redhat.com>
7559 * doc/invoke.texi: Document -fopenmp.
7560 * tree-dump.h (debug_function): Declare.
7561 * hooks.c (hook_bool_tree_bool_false): New function.
7562 (hook_tree_tree_null): Remove.
7563 (hook_tree_tree_tree_null): New.
7564 * hooks.h: Update to match.
7565 * tree-pretty-print.c (debug_tree_chain): New.
7566 (print_generic_expr): Handle TDF_CHAIN.
7567 (dump_generic_node): Handle BLOCK.
7568 Do not abort with incomplete SWITCH_EXPRs.
7569 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7570 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7571 print space after directive name.
7572 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7573 Handle OMP_MASTER and OMP_ORDERED.
7574 Handle printing of OMP_BODY just in one place, goto
7575 dump_omp_body in the rest of OMP_* nodes that have
7577 Don't handle clause nodes here. Update omp statements to
7578 use dump_omp_clauses.
7579 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7580 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7581 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7582 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7583 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7584 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7585 Adjust output for GOMP_PARALLEL.
7586 (dump_omp_clauses): New.
7587 (print_declaration): Dump DECL_VALUE_EXPR.
7588 (op_symbol_1): Split out of op_symbol.
7589 (dumping_stmts): Remove. Update all users.
7590 * cgraph.c (cgraph_analyze_queue): New.
7591 (cgraph_add_new_function): New.
7592 * cgraph.h (cgraph_analyze_queue): Declare.
7593 (cgraph_add_new_function): Declare.
7594 (cgraph_lower_function): Remove.
7595 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7596 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7597 and TYPE_P nodes in its default clause.
7598 (empty_body_p): New.
7599 (tree_range_check_failed): New.
7601 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7602 OMP_CLAUSE_REDUCTION_MERGE,
7603 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7604 OMP_CLAUSE_PRIVATE_DEBUG,
7605 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7606 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7607 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7608 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7609 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7610 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7611 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7612 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7613 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7614 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7615 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7616 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7617 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7618 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7619 (TREE_RANGE_CHECK): New.
7620 (empty_body_p): Declare.
7621 (enum omp_clause_default_kind): New.
7622 (build_string_literal): Declare.
7623 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7624 (build5_stat, build5): Declare.
7625 * tree-pass.h (TDF_CHAIN): Define.
7626 * tree-pass.h (PROP_gimple_lomp): Define.
7627 (pass_lower_omp): Declare.
7628 * diagnostic.h (debug_tree_chain): Declare.
7629 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7631 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7632 * builtins.c (build_string_literal): Make extern.
7633 * gcc.c (include_spec_function): New.
7634 (static_spec_functions): Add it.
7635 (main): Move load of libgomp.spec ...
7636 (LINK_COMMAND_SPEC): ... here.
7637 (link_gomp_spec): New.
7638 (static_specs): Include it.
7639 (LINK_COMMAND_SPEC): Add link_gomp.
7640 (GOMP_SELF_SPECS): New.
7641 (driver_self_specs): Include it.
7642 (switch_matches): Don't mark inline.
7643 (main): Load libgomp.spec.
7644 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7645 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7646 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7647 * tree-gimple.h (enum omp_parallel): Declare.
7648 (determine_parallel_type): Declare.
7649 (omp_firstprivatize_variable): Declare.
7650 (omp_reduction_init): Declare.
7651 (diagnose_omp_structured_block_errors): Declare.
7652 (struct walk_stmt_info): Add want_return_expr.
7653 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7654 (find_omp_clause): Declare.
7655 (insert_field_into_struct): Declare.
7656 (struct walk_stmt_info): Move from tree-nested.c
7657 (walk_stmts): Declare.
7658 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7660 * cgraphunit.c (cgraph_lower_function): Make static.
7661 (cgraph_finalize_pending_functions): New.
7662 (cgraph_finalize_function): Call it.
7663 (cgraph_finalize_compilation_unit): Likewise.
7664 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7665 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7666 (BT_FN_UINT_UINT): New.
7667 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7668 DEF_FUNCTION_TYPE_VAR_4): Document.
7669 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7670 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7671 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7672 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7673 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7674 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7675 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7676 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7677 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7678 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7679 into separate files.
7680 (DEF_GOMP_BUILTIN): New.
7681 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7682 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7683 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7684 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7685 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7686 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7687 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7688 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7689 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7690 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7691 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7692 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7693 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7694 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7695 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7696 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7697 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7698 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7699 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7700 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7701 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7702 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7703 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7704 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7705 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7706 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7707 * sync-builtins.def: New file, moved from builtins.def.
7708 * omp-builtins.def: New file, moved from builtins.def.
7709 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7710 * gimple-low.c (lower_function_body): Clear data.
7711 (lower_stmt): Do not handle COMPOUND_EXPR.
7712 Remove call to print_node_brief.
7713 * c-tree.h (c_finish_omp_clauses): New prototype.
7714 (C_DECL_THREADPRIVATE_P): Define.
7715 (lookup_name_no_remap, c_omp_remap_private): Remove
7716 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7717 (check_for_loop_decls): Update decl.
7718 (lookup_name_no_remap, c_omp_remap_private): Declare.
7719 (build_indirect_ref, build_modify_expr, pushdecl,
7720 pushdecl_top_level): Move to c-common.h.
7721 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7722 before the switch, but just in the 2 places that need it.
7723 * c-decl.c (diagnose_mismatched_decls): Do not check for
7724 mismatched thread-local attributes when OLDDECL is marked
7725 threadprivate and NEWDECL has no thread-local attributes.
7726 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7727 (c_gimple_diagnostics_recursively): Rename from
7728 c_warn_unused_result_recursively. Invoke
7729 diagnose_omp_structured_block_errors.
7730 (check_for_loop_decls): Return a singular decl found.
7731 * langhooks.c (lhd_omp_predetermined_sharing): Return
7732 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7733 (lhd_omp_firstprivatize_type_sizes): New.
7734 (lhd_omp_assignment): New.
7735 (lhd_omp_predetermined_sharing): New.
7736 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7737 (struct lang_hooks_for_types): Add
7738 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7739 omp_predetermined_sharing, omp_disregard_value_expr,
7740 omp_private_debug_clause, omp_clause_default_ctor,
7741 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7742 (c_finish_omp_clauses): New.
7743 (c_finish_bc_stmt): Diagnose break within omp for.
7744 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7745 (build_unary_op): Return error_mark after reporting
7747 (build_modify_expr): Likewise.
7748 * gimplify.c: Include optabs.h and pointer-set.h.
7749 (enum gimplify_omp_var_data): Declare.
7750 (struct gimplify_omp_ctx): Declare.
7751 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7753 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7754 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7755 (splay_tree_compare_decl_uid): New.
7756 (new_omp_context): New.
7757 (delete_omp_context): New.
7758 (gimple_add_tmp_var): Call omp_add_variable.
7759 (gimplify_bind_expr): Likewise.
7760 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7761 true, disregard DECL_VALUE_EXPR on the decl if any.
7762 (gimplify_expr_in_ctx): New.
7763 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7764 omp_add_variable, omp_notice_variable, omp_is_private
7765 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7766 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7767 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7768 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7769 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7770 gimplify_omp_atomic): New.
7771 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7772 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7773 OMP_CRITICAL and OMP_ATOMIC.
7774 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7775 * c-pragma.h (enum pragma_kind): Add
7776 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7777 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7778 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7779 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7780 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7781 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7782 PRAGMA_OMP_THREADPRIVATE.
7783 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7784 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7785 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7786 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7787 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7788 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7789 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7790 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7791 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7792 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7793 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7794 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7795 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7797 (struct nesting_info): Add field_map,
7798 suppress_expansion, debug_var_chain.
7799 (create_nesting_tree): Initialize them.
7800 (lookup_field_for_decl): Use field_map.
7801 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7802 (convert_local_omp_clauses): New.
7803 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7804 (walk_body): Split out of walk_function.
7805 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7806 (convert_nonlocal_reference): Handle omp statements.
7807 (convert_local_reference): Likewise.
7808 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7809 (unnest_nesting_tree): New.
7810 (lower_nested_functions): Call it.
7811 (insert_field_into_struct): Make extern.
7812 (struct walk_stmt_info): Move to tree-gimple.h.
7813 (walk_stmts): Make extern.
7814 * omp-builtins.def: New file.
7815 * tree-iterator.c (expr_only): Clarify comment.
7816 * c-common.h (pushdecl_top_level, pushdecl,
7817 build_modify_expr, build_indirect_ref,
7818 c_finish_omp_master, c_finish_omp_critical,
7819 c_finish_omp_ordered, c_finish_omp_barrier,
7820 c_finish_omp_atomic, c_finish_omp_flush,
7821 c_finish_omp_for, c_split_parallel_clauses,
7822 omp_clause_default_kind, c_omp_sharing_predetermined,
7823 c_omp_remap_decl): Declare.
7824 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7825 (OBJS-common): Add omp-low.o.
7826 (c-omp.o, omp-low.o): Add.
7827 (gimplify.o): Add dependency on $(OPTABS_H).
7828 (GTFILES): Add omp-low.c.
7829 (gt-stringpool.h): Add.
7830 * tree-cfg.c (set_bb_for_stmt): Do not update the
7831 block-to-labels map if we are currently expanding to RTL.
7832 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7834 Handle IDENTIFIER_NODE.
7835 (tree_verify_flow_info): Do not ICE when emitting error
7836 messages about invalid labels.
7837 (dump_function_to_file): Reset CFUN before emitting the body
7839 (debug_function): New.
7840 * passes.c (init_optimization_passes): Schedule
7842 * langhooks-def.h (lhd_omp_predetermined_sharing,
7843 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7845 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7846 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7847 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7848 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7849 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7850 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7851 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7852 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7853 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7854 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7855 (LANG_HOOK_DECLS): Use them.
7857 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7858 Richard Henderson <rth@redhat.com>
7859 Jakub Jelinek <jakub@redhat.com>
7860 Diego Novillo <dnovillo@redhat.com>
7862 * c-parser.c (pragma_omp_clause): Define.
7863 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7864 (c_parser_compound_statement): Likewise.
7865 (c_parser_statement): Likewise.
7866 (c_parser_pragma): Handle omp pragmas.
7867 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7868 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7869 (c_parser_omp_clause_name, check_no_duplicate_clause,
7870 c_parser_omp_variable_list,
7871 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7872 c_parser_omp_clause_copyprivate,
7873 c_parser_omp_clause_default,
7874 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7875 c_parser_omp_clause_lastprivate,
7876 c_parser_omp_clause_nowait,
7877 c_parser_omp_clause_num_threads,
7878 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7879 c_parser_omp_clause_reduction,
7880 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7881 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7882 c_parser_omp_atomic, c_parser_omp_barrier,
7883 c_parser_omp_critical, c_parser_omp_flush,
7884 c_parser_omp_for_loop, c_parser_omp_for,
7885 c_parser_omp_master, c_parser_omp_ordered,
7886 c_parser_omp_sections_scope, c_parser_omp_sections,
7887 c_parser_omp_parallel, c_parser_omp_single,
7888 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7889 * c-pragma.c (init_pragma): Do omp pragma registration here.
7890 * c.opt (fopenmp): New flag.
7892 2006-01-18 Eric Christopher <echristo@apple.com>
7894 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7895 * config/darwin.h (GOMP_SELF_SPECS): Define.
7897 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7899 * rtl.h: Remove the prototype for reg_alloc.
7901 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7904 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7905 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7906 sjlj and dwarf2 exception handling.
7907 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7908 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7909 * pa/pa.c (function_value): Treat complex and vector types as
7911 (function_arg): Likewise. Only pass scalar floats in the floating
7912 point argument registers.
7913 * pa/t-slibgcc-dwarf-ver: New file.
7914 * pa/t-slibgcc-sjlj-ver: New file.
7915 * pa/t-slibgcc-elf-ver: Delete file.
7917 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7919 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7920 unlikely_test_section_p test.
7922 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7924 * mode-switching.c (optimize_mode_switching): Make it static.
7925 * basic-block.h: Remove the prototype for
7926 optimize_mode_switching.
7928 * modulo-sched.c (sms_schedule): Make it static.
7929 * rtl.h: Remove the prototype for sms_schedule.
7931 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7932 * rtl.h: Remove the prototype for gcse_after_reload_main.
7934 * reg-stack.c (reg_to_stack): Make it static.
7935 * rtl.h: Remove the prototype for reg_to_stack.
7937 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7939 * rtl.h: Remove the prototypes for regrename_optimize and
7940 copyprop_hardreg_forward.
7942 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7944 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7945 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7946 Test against the appropriate null constant for the mode.
7947 If 'fixup_overlap' is true, swap the operands if they overlap.
7948 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7949 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7950 alpha_split_tmode_pair and adjust for above change.
7951 * config/alpha/alpha.md (movtf_internal): Adjust call to
7952 alpha_split_tfmode_pair and rely on it to swap the operands.
7953 (movti_internal): New insn and post-reload splitter.
7954 (movti): New expander.
7956 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7958 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7961 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7963 * rtlanal.c (global_reg_mentioned_p_1,
7964 global_reg_mentioned_p): Remove.
7965 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7967 * flow.c (initialize_uninitialized_subregs): Make it static.
7968 * rtl.h: Remove the prototype for
7969 initialize_uninitialized_subregs.
7971 * function.c (instantiate_virtual_regs): Make it static.
7972 * function.h: Remove the prototype for
7973 instantiate_virtual_regs.
7975 * regmove.c (regmove_optimize, combine_stack_adjustments):
7977 * rtl.h: Remove the prototypes for regmove_optimize and
7978 combine_stack_adjustments.
7980 2006-01-17 Roger Sayle <roger@eyesopen.com>
7982 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7983 (size_cost): Encode costs in bytes so that a reg-reg addition is
7984 equivalent to COSTS_N_INSNS(1).
7985 (override_options): Use the size_cost.branch_cost as the default
7986 ix86_branch_cost when optimizing for size.
7988 2006-01-18 Ben Elliston <bje@au.ibm.com>
7990 * Makefile.in (D32PBIT_FUNCS): New.
7991 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7992 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7993 D64PBIT_FUNCS and D128PBIT_FUNCS.
7994 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7995 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7997 (decnumber_dep): Define.
7998 * doc/libgcc.texi (Decimal float library routines): New node.
7999 * config/dfp-bit.h, config/dfp-bit.c: New files.
8001 2006-01-18 Ben Elliston <bje@au.ibm.com>
8003 * expr.c (emit_move_change_mode): Always adjust addresses, not
8004 just during reload. Copy replacements only during reload.
8005 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8006 emit_move_via_integer.
8008 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8010 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8011 instead of $(srcdir) and ${srcdir}.
8013 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8017 * arm.h (struct machine_function): Add pic_reg.
8018 * arm.c (arm_pic_register): Make unsigned.
8019 (arm_override_options): Only set arm_pic_register if
8020 TARGET_SINGLE_PIC_BASE.
8021 (use_return_insn): Only test for a pic register if it is fixed.
8022 (arm_compute_save_reg0_reg12_mask): Likewise.
8023 (thumb_compute_save_reg_mask): Likewise.
8024 (legitimate_pic_operand): Factor out some known invariants.
8025 (legitimize_pic_address): If we don't have a fixed pic register,
8026 then set up a pseudo in the function entry sequence. Handle the
8027 pic base being in a pseudo.
8028 (arm_load_pic_register): Handle the pic register being in a pseudo.
8029 (arm_expand_prologue): Only set up the pic register if it is fixed.
8030 (thumb_expand_prologue): Likewise.
8031 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8032 (pic_load_addr_based_insn): Likewise.
8033 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8036 2006-01-18 Ben Elliston <bje@au.ibm.com>
8038 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8039 decimal float modes for all floating point registers.
8041 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8042 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8044 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8047 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8048 even when the pointer is not NULL.
8050 2006-01-16 Ian Lance Taylor <ian@airs.com>
8052 * common.opt (ftoplevel-reorder): New option.
8053 * cgraph.c (cgraph_asm_nodes): New global variable.
8054 (cgraph_asm_last_node): New static variable.
8055 (cgraph_order): New global variable.
8056 (cgraph_create_node): Set new order field.
8057 (cgraph_varpool_node): Likewise.
8058 (decide_is_variable_needed): Return true if not
8059 flag_toplevel_reorder.
8060 (cgraph_add_asm_node): New function.
8061 * cgraph.h (struct cgraph_node): Add order field.
8062 (struct cgraph_varpool_node): Add order field.
8063 (struct cgraph_asm_node): Define.
8064 (cgraph_asm_nodes, cgraph_order): Declare.
8065 (cgraph_add_asm_node): Declare.
8066 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8068 (cgraph_varpool_assemble_pending_decls): Call it.
8069 (cgraph_output_pending_asms): New static function.
8070 (cgraph_finalize_compilation_unit): Call it.
8071 (struct cgraph_order_sort): Define.
8072 (cgraph_output_in_order): New static function.
8073 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8074 !flag_toplevel_reorder case.
8075 * c-parser.c: Include "cgraph.h".
8076 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8078 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8079 than -fno-unit-at-a-time.
8080 * doc/invoke.texi (Option Summary): Mention
8081 -fno-toplevel-reorder.
8082 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8083 -funit-at-a-time documentation.
8085 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8086 Kazu Hirata <kazu@codesourcery.com>
8088 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8090 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8092 * Makefile.in (FUNCTION_H): New. Use it instead of
8093 function.h throughout the file.
8094 * function.h: Include tree.h.
8096 2006-01-17 Ben Elliston <bje@au.ibm.com>
8098 * recog.c: Separate some functions with whitespace.
8100 2006-01-16 Richard Henderson <rth@redhat.com>
8102 Merge from gomp branch:
8103 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8104 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8105 and rename from struct inline_data. Rename callee* to dst*;
8106 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8107 transform_new_cfg, transform_return_to_modify, and
8108 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8110 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8111 (copy_decl_for_dup): Remove.
8112 * tree-inline.c (struct inline_data): Move to header.
8113 (insert_decl_map): Export.
8114 (remap_decl): Update for member name changes. Use copy_decl hook.
8115 Allow for replacement to be a non-decl. Remove dead code.
8116 (remap_type_1): Check for existing mapping.
8117 (remap_type): Export.
8118 (remap_decls): Update for member name changes.
8119 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8120 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8121 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8122 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8123 (tree_function_versioning, build_duplicate_type): Likewise.
8124 (copy_body_r): Likewise. Export.
8125 (copy_decl_for_dup): Split into ...
8126 (copy_decl_for_dup_finish, copy_decl_to_var,
8127 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8128 (replace_ref_tree, inlining_p): Remove.
8130 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8132 * ifcvt.c (if_convert): Make it static.
8133 * rtl.h: Remove the prototype for if_convert.
8135 * local-alloc.c (local_alloc): Make it static.
8136 * rtl.h: Remove the prototype for local_alloc.
8138 * loop.c (loop_optimize): Make it static.
8139 * cfgloop.h: Remove the prototype for loop_optimize.
8142 2006-01-16 DJ Delorie <dj@redhat.com>
8144 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8147 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8149 * pa.md: Disparage copies between general and floating-point registers
8150 in 32-bit move patterns.
8152 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8155 * Makefile.in (check-%): Depend on site.exp instead of
8156 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8159 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8161 * global.c (global_alloc): Make it static.
8162 * rtl.h: Remove the prototype for global_alloc.
8164 2006-01-16 Richard Guenther <rguenther@suse.de>
8166 * tree-ssa-alias.c (struct used_part): Add write_only field.
8167 (get_or_create_used_part_for): Initialize it to true.
8168 (create_overlap_variables_for): Don't create structure variables
8169 for structures that only are written to.
8170 (find_used_portions): Handle MODIFY_EXPR to track whether a
8171 structure is only written to.
8173 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8175 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8177 * basic-block.h: Remove the prototype for
8178 partition_hot_cold_basic_blocks.
8180 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8182 * cppspec.c (lang_specific_spec_functions): Remove.
8183 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8184 * gcc.h (lang_specific_spec_functions): Remove.
8185 * gccspec.c (lang_specific_spec_functions): Remove.
8187 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8189 * combine.c (record_value_for_reg): Invalidate registers
8191 (record_dead_and_set_regs_1): Likewise, by passing them to
8192 record_value_for_reg.
8193 (record_dead_and_set_regs): Invalidate stores made by a
8194 call. We do not combine across a call, but we still
8195 relied on equivalences.
8197 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8199 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8200 vrp_int_const_binop returning non-constant nodes.
8202 2006-01-16 Paul Brook <paul@codesourcery.com>
8204 * config/m68k/m68k.c (output_move_const_into_data_reg):
8205 Output correct mnemonic for mvz and mvs.
8207 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8209 * rtl-factoring.c: Add sequence abstraction algorithm.
8210 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8211 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8213 (block_has_preserve_label): New function.
8214 * common.opt: Register new pass.
8215 * Makefile.in: Ditto.
8217 * timevar.def: Ditto.
8218 * tree-pass.h: Ditto.
8219 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8220 * rtl.h (make_jump_insn_raw): Add forward decl.
8221 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8223 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8224 Roger Sayle <roger@eyesopen.com>
8226 * fold-const.c (fold_minmax): New static function.
8227 (fold_binary) <MIN_EXPR>: Call it.
8228 <MAX_EXPR>: Likewise.
8229 * stor-layout.c (place_field): Use DECL_SIZE consistently
8230 in the computation of the new record size.
8232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8234 * cse.c (cse_condition_code_reg): Make it static.
8235 * rtl.h: Remove the prototype for cse_condition_code_reg.
8237 * combine.c (combine_instructions): Make it static.
8238 * rtl.h: Remove the prototype for combine_instructions.
8240 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8243 * tree.c (get_file_function_name_long): Concatenate the first global
8244 object name with a string derived from the input filename of the object
8247 2006-01-16 Ben Elliston <bje@au.ibm.com>
8249 * config/i386/winnt-stubs.c: Update FSF address.
8250 * config/xtensa/ieee754-df.S: Ditto.
8251 * config/xtensa/ieee754-sf.S: Ditto.
8253 2006-01-14 Ian Lance Taylor <ian@airs.com>
8255 * ifcvt.c (noce_init_if_info): New static function, broken out of
8256 noce_process_if_block.
8257 (noce_process_if_block): Call noce_init_if_info.
8258 (check_cond_move_block): New static function.
8259 (cond_move_process_if_block): New static function.
8260 (process_if_block): Call cond_move_process_if_block.
8262 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8264 * cselib.c (hash_table): Rename to cselib_hash_table.
8265 (cselib_clear_table, discard_useless_values,
8266 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8267 cselib_init, cselib_finish): Adjust uses of hash_table.
8269 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8271 PR tree-optimization/25485
8272 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8273 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8274 is known to be false and true, respectively.
8276 2006-01-14 Richard Guenther <rguenther@suse.de>
8278 PR tree-optimization/22548
8279 PR tree-optimization/22555
8280 PR tree-optimization/22501
8281 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8282 * params.def (salias-max-array-elements): New parameter.
8283 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8284 * doc/invoke.texi (salias-max-array-elements): Document.
8285 * tree-flow-inline.h (var_can_have_subvars): We also handle
8287 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8289 * tree-ssa-structalias.c (params.h): Include.
8290 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8291 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8292 (get_constraint_for): For ADDR_EXPR operating on something
8293 containing an ARRAY_REF, add all subvars to the solution.
8294 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8295 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8296 for creating MUST_DEFs.
8297 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8299 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8301 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8303 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8304 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8305 number_of_iterations_le): New functions.
8306 (number_of_iterations_special): Removed.
8307 (number_of_iterations_exit): Do not use number_of_iterations_special.
8308 * tree.c (unsigned_type_for): Always return integer type.
8310 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8311 Richard Guenther <rguenther@suse.de>
8313 PR rtl-optimization/24257
8314 * gcse.c (find_moveable_store): Only consider a store movable
8315 when the SET_SRC of the insn can be assigned to a register.
8317 2006-01-14 Ian Lance Taylor <ian@airs.com>
8319 * tree.c (tree_not_class_check_failed): New function.
8320 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8321 (tree_not_class_check_failed): Declare.
8323 2006-01-13 Ian Lance Taylor <ian@airs.com>
8325 * reload1.c (do_output_reload): Add assertion rejecting a
8328 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8330 * combine.c (struct reg_stat): Add new fields truncation_label and
8332 (record_value_for_reg): Reset truncated_to_mode.
8333 (record_truncated_value): New function.
8334 (check_promoted_subreg): Call it. Rename to check_conversions.
8335 (combine_instructions): Rename check_promoted_subreg to
8337 (reg_truncated_to_mode): New function.
8338 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8339 (gen_lowpart_or_truncate): New function.
8340 (force_to_mode): Use it instead of gen_lowpart.
8342 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8344 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8345 VAR is a tag, not its type tag.
8347 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8349 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8350 alternatives to match style of other entries.
8351 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8353 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8355 PR tree-optimization/25771
8356 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8359 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8362 * tree-inline.c (declare_return_variable): If the return variable
8363 was marked as a non gimple complex, set the return slot variable
8364 to be a non gimple comple variable.
8366 2006-01-13 Richard Guenther <rguenther@suse.de>
8368 * builtins.c (expand_builtin_sincos): New function.
8369 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8371 (expand_builtin): Expand sincos using expand_builtin_sincos.
8373 2006-01-12 DJ Delorie <dj@redhat.com>
8375 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8376 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8377 so that constant shifts can be split.
8378 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8379 (m32c_valid_pointer_mode): Make static.
8380 (shift_gen_func_for): New.
8381 (m32c_prepare_shift): Use it. Split large const shifts into
8383 * config/m32c/predicates.md (shiftcount_operand): Allow more
8385 (longshiftcount_operand): New.
8386 * doc/md.texi (Machine Constraints): Document In6.
8388 2006-01-13 Ben Elliston <bje@au.ibm.com>
8390 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8391 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8394 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8396 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8397 to try to avoid clobbering pieces of structures when we know
8398 something about the whole structure.
8399 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8401 2006-01-13 Ben Elliston <bje@au.ibm.com>
8403 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8404 return in memory, as this is no limitation is no longer present.
8406 2006-01-12 DJ Delorie <dj@redhat.com>
8408 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8409 mova with fb, and for fb+0 -> An.
8411 * config/m32c/mov.md (peephole2): Fix enabling logic.
8413 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8414 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8415 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8416 FINI_ARRAY_SECTION_ASM_OP): Define.
8418 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8420 (m32c_legitimize_reload_address): New logic to reload FB to An.
8421 (m32c_output_reg_push): Add newline.
8422 (m32c_output_reg_pop): Likewise.
8424 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8426 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8428 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8430 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8432 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8434 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8437 2006-01-11 Ben Elliston <bje@au.ibm.com>
8439 * rtlanal.c (find_reg_note): Assert insn is not null.
8441 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8443 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8446 2006-01-11 Jeff Law <law@redhat.com>
8448 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8450 (mark_threaded_blocks, register_jump_thread): New functions.
8451 (thread_through_all_blocks): Remove unwanted argument. No
8452 longer rely on e->aux to communicate thread target info.
8453 Call mark_threaded_blocks. Release the threaded_blocks
8454 bitmap and threaded_edges vector when complete.
8455 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8456 (threaded_blocks): Remove.
8457 (tree_ssa_dominator_optimize): Remove initialization and
8458 finalization of threaded_blocks. Simplify call to
8459 thread_through_all_blocks.
8460 (thread_across_edge): Call register_jump_thread rather than
8461 storing thread information into e->aux.
8462 (free_all_edge_infos): Simplify now that e->aux is no longer
8463 used to communicate with thread_through_all_blocks.
8464 * tree-flow.h (thread_through_all_blocks): Update prototype.
8465 (register_jump_thread): Prototype.
8467 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8469 * df-core.c (df_compact_blocks, df_bb_replace): Use
8470 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8472 2006-01-11 Richard Guenther <rguenther@suse.de>
8474 PR tree-optimization/25734
8475 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8476 stop propagation after successful propagation to the LHS.
8478 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8480 * basic-block.h (control_flow_graph): Change the type of
8481 x_basic_block_info to VEC(basic_block,gc) *.
8482 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8484 (SET_BASIC_BLOCK): New.
8485 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8486 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8487 * cfgbuild.c (find_basic_blocks): Likewise.
8488 * cfglayout.c (fixup_reorder_chain): Likewise.
8489 * cfgrtl.c (create_basic_block_structure,
8490 rtl_create_basic_block): Likewise.
8491 * ifcvt.c (find_if_case_1): Likewise.
8492 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8495 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8497 * Makefile.in: Removed rotted odf.c entry.
8499 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8502 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8503 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8504 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8505 output pattern modifier, not %e.
8506 * config/cris/cris.c (cris_op_str): Update comment about pattern
8508 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8509 before falling through into...
8510 <case 'E'>: Redefined from old 'e' case.
8512 2006-01-11 Jan Hubicka <jh@suse.cz>
8515 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8517 2006-01-11 Jan Hubicka <jh@suse.cz>
8519 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8520 * i386.c (x86_decompose_lea): Kill.
8521 (ix86_rtx_costs): Kill.
8523 2006-01-11 Jan Hubicka <jh@suse.cz>
8525 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8526 * cgraph.h (cgraph_node): Add inline_decl.
8527 (cgraph_insert_node_to_hashtable): Declare.
8528 (save_inline_function_body): Declare.
8529 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8531 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8532 (cgraph_function_versioning): Update call of tree_function_versioning.
8533 (save_inline_function_body): New function.
8534 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8535 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8536 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8537 (cgraph_default_inline_p): Likewise.
8538 (cgraph_decide_inlining_incrementally): Likewise.
8539 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8540 (copy_bb): Kill saving; do updating of clones.
8541 (copy_cfg_body): Kill saving.
8542 (initialize_inlined-parameters): Likewise.
8543 (expand_call_inline): Likewise.
8545 (tree_function_versioning): New parameter "update_clones".
8546 (inlining_p): Kill saving.
8547 * tree-inline.h (tree_function_versioning): Update prototype.
8548 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8551 2006-01-11 Ian Lance Taylor <ian@airs.com>
8553 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8554 Allow undoing set of machine mode.
8555 (do_SUBST): Use enums instead of is_int.
8556 (do_SUBST_MODE): New function.
8557 (SUBST_MODE): New macro.
8558 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8559 reg and trying to replace reg_regno_rtx with a new register.
8560 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8561 (simplify_set): Use SUBST_MODE.
8562 (distribute_notes): Remove code that tried to update reg notes
8563 for regno_reg_rtx changes.
8565 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8567 PR tree-optimization/23109
8568 PR tree-optimization/23948
8569 PR tree-optimization/24123
8571 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8572 * tree-cfg.c (single_noncomplex_succ): New.
8573 * tree-flow.h (single_noncomplex_succ): Declare it.
8574 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8575 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8576 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8577 insert_bb, register_division_in, insert_reciprocals,
8578 replace_reciprocal, free_bb): New.
8579 (execute_cse_reciprocals_1): Rewritten.
8580 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8581 Do not commit any edge insertion. Always compute dominators and
8582 create the allocation pool.
8583 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8584 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8585 * targhooks.c (default_min_divistions_for_recip_mul): New.
8586 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8587 * passes.c (init_optimization_passes): Run recip after tree loop
8589 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8591 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8592 Kenneth Zadeck <zadeck@naturalbridge.com>
8594 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8595 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8596 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8597 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8598 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8599 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8600 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8601 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8602 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8603 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8604 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8605 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8606 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8607 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8608 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8609 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8610 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8611 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8612 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8613 DF_SCAN_POST_ALLOC): New macros.
8614 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8615 df_free_bb_function, df_local_compute_function, df_init_function,
8616 df_dataflow_function, df_confluence_function_0,
8617 df_confluence_function_n, df_transfer_function,
8618 df_finalizer_function, df_free_function, df_dump_problem_function,
8619 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8620 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8621 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8622 df_urec_bb_info, ) New types.
8623 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8625 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8626 df_analyze_simple_change_some_blocks,
8627 df_analyze_simple_change_one_block, df_compact_blocks,
8628 df_bb_replace, df_bb_regno_last_use_find,
8629 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8630 df_insn_regno_def_p, df_find_def, df_find_use,
8631 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8632 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8633 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8634 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8635 debug_df_chain, df_get_dependent_problem, df_chain_create,
8636 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8637 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8638 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8639 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8640 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8641 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8642 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8643 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8644 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8645 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8646 df_reorganize_refs, df_set_state, df_hard_reg_init,
8647 df_read_modify_subreg_p) New public functions.
8648 * df-core.c: The core dataflow solver and glue routines for rtl
8650 (df_init, df_add_problem, df_set_blocks, df_finish,
8651 df_hybrid_search_forward, df_hybrid_search_backward,
8652 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8653 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8654 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8655 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8656 df_reg_defined, df_find_use, df_reg_used, df_dump,
8657 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8658 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8659 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8660 debug_df_useno, reset_df_after_reload): New functions.
8661 * df-scan.c: The scanning fuctions, once in df.c, completely
8662 rewritten so that they now fully model the functionality of
8663 register usage at the backend.
8664 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8665 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8666 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8667 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8668 df_get_artificial_defs, df_get_artificial_uses,
8669 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8670 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8671 df_refs_delete, df_reorganize_refs, df_set_state,
8672 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8673 df_def_record_1, df_defs_record, df_uses_record,
8674 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8675 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8676 df_record_exit_block_uses, df_hard_reg_init): New functions.
8678 * df-problems.c: Seven concrete dataflow problems that use the
8679 scanning in df-scan.c and are solved by the engine in df-core.c.
8680 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8681 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8682 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8683 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8684 df_ru_free_bb_info, df_ru_alloc,
8685 df_ru_bb_local_compute_process_def,
8686 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8687 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8688 df_ru_transfer_function, df_ru_free, df_ru_dump,
8689 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8690 df_rd_free_bb_info, df_rd_alloc,
8691 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8692 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8693 df_rd_transfer_function, df_rd_free, df_rd_dump,
8694 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8695 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8696 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8697 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8698 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8699 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8700 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8701 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8702 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8703 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8704 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8705 df_urec_mark_reg_use_for_earlyclobber,
8706 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8707 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8708 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8709 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8710 df_chain_create_bb_process_use, df_chain_create_bb,
8711 df_chain_finalize, df_chain_free, df_chains_dump,
8712 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8713 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8714 df_reg_lifetime): New functions.
8715 * df.c: Deleted file.
8716 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8717 consistent with new df api.
8718 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8719 rest_of_handle_sms): Ditto.
8720 * web.c (unionfind_union, union_defs, entry_register, web_main):
8722 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8723 invariant_expr_equal_p, find_defs, check_dependencies,
8724 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8725 free_inv_motion_data, move_loop_invariants): Ditto.
8726 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8727 Update dependencies.
8728 (odf.c): Added defective entry that was deleted later in day.
8729 * sched-deps.c (sched_analyze_1): Ditto.
8731 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8733 * tree-ssa-operands.c (get_expr_operands): Record addressable
8734 variables directly. Do not call add_stmt_operands for CONST_DECLs
8736 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8737 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8739 2006-01-11 Ben Elliston <bje@au.ibm.com>
8741 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8742 function returns true in the positive case.
8744 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8747 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8748 for SI, DI, SF and DF modes. Add alternatives to copy between
8749 general and floating point registers to the 32-bit patterns.
8750 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8751 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8752 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8753 generating 64-bit code.
8754 * config/pa/pa.c (output_move_double): Handle copies between general
8755 and floating registers.
8757 2006-01-10 Stuart Hastings <stuart@apple.com>
8759 * config/i386/i386.md (set_got): Update.
8760 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8761 (builtin_setjmp_receiver): Mach-O support.
8762 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8763 (GOT_SYMBOL_NAME): Define.
8764 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8765 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8766 * config/i386/i386.c (override_options): Revise for Darwin.
8767 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8768 support. (darwin_x86_file_end): New. (output_set_got): Add label
8769 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8770 * config/i386/i386-protos.h (output_set_got): Likewise.
8771 * config/darwin.c (machopic_legitimize_pic_address): Update
8774 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8776 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8777 when MODE isn't BLKmode.
8779 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8781 PR rtl-optimization/25367
8782 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8784 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8787 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8788 for a negative bound.
8790 2006-01-10 Richard Guenther <rguenther@suse.de>
8792 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8793 Never override with anything constraint.
8795 2006-01-10 Jan Beulich <jbeulich@novell.com>
8797 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8798 256 bits when optimize_size.
8800 2006-01-10 Jan Beulich <jbeulich@novell.com>
8802 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8804 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8805 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8808 2006-01-10 Ben Elliston <bje@au.ibm.com>
8810 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8812 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8813 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8814 (USE_FP_FOR_ARG): Reject decimal float modes.
8815 (function_arg_advance): Likewise.
8816 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8817 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8818 point types in AltiVec vectors.
8819 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8820 (rs6000_libcall_value): Likewise.
8822 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8824 * config/xtensa/ieee754-df.S: New file.
8825 * config/xtensa/ieee754-sf.S: New file.
8826 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8827 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8828 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8830 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8832 * config/sh/predicates.md (binary_float_operator,
8833 binary_logical_operator, commutative_float_operator,
8834 equality_comparison_operator, greater_comparison_operator,
8835 less_comparison_operator, logical_operator,
8836 noncommutative_float_operator, shift_operator,
8837 symbol_ref_operand, unary_float_operator): Remove redundant
8840 2006-01-09 Jeff Law <law@redhat.com>
8842 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8843 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8844 now unused arguments. Callers updated.
8845 (eliminate_redundant_computations): Remove now unused arguments,
8847 (local_fold): Remove, no longer used.
8848 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8850 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8851 (simplify_cond): New function.
8852 (forward_propagate_into_cond): Call simplify_cond.
8854 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8856 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8857 (*vec_extractv2di_1_sse): New.
8859 2006-01-09 Ben Elliston <bje@au.ibm.com>
8861 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8863 2006-01-08 Richard Guenther <rguenther@suse.de>
8865 * tree-ssa-structalias.c (get_constraint_for): Remove
8867 (get_constraint_for_component_ref): Likewise.
8868 (do_deref): Likewise.
8869 (get_constraint_for): Likewise.
8870 (do_structure_copy): Likewise.
8871 (handle_ptr_arith): Likewise.
8872 (find_func_aliases): Likewise. Remove unused need_anyoffset
8875 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8876 Kaz Kojima <kkojima@gcc.gnu.org>
8878 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8879 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8880 (EXTRA_CONSTRAINT_C16): Remove.
8881 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8882 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8883 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8884 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8885 constants of SHmedia. Handle nested constant expressions of
8887 (andcosts): Fix the costs for SHmedia constants.
8888 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8889 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8890 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8891 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8892 (movv4hi_i, movv2si_i): Likewise.
8893 (movsi_const): Adjust the second operand of ior so to match with
8895 (movdi_const, movdi_const_32bit): Likewise.
8896 (movdi_const_16bit+1): Don't sign-extend LOW.
8897 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8899 (*double_shori): Fix the split condition. Use GEN_INT instead
8900 of get_int_mode calls. Mask lower 16-bit of the argument of
8902 (sym2GOTPLT): Remove.
8903 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8905 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8906 instead of EXTRA_CONSTRAINT_C16.
8908 2006-01-07 Ian Lance Taylor <ian@airs.com>
8909 David Edelsohn <edelsohn@gnu.org>
8911 PR rtl-optimization/25662
8912 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8913 for constant operands instead of simplify_gen_binary.
8914 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8915 after trying simplify_binary_operation
8917 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8919 * tree.c (iterative_hash_expr): Hash decls based on UID.
8921 2006-01-06 Eric Christopher <echristo@apple.com>
8923 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8924 (TARGET_UNWIND_EMIT): Fix spelling.
8925 * target.h (gcc_target): Add except_table_label.
8926 * except.c (output_function_exception_table): Use.
8927 * varasm.c (default_emit_except_table_label): New.
8928 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8930 (asm_out): Add here.
8931 * output.h (default_emit_except_table_label): Prototype.
8932 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8933 * config/darwin.c (darwin_emit_except_table_label): Define.
8934 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8936 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8938 PR tree-optimization/18527
8939 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8940 number_of_iterations_special, number_of_iterations_exit):
8941 Move base and step of an iv to a single structure. Add
8942 no_overflow flag, and use it in # of iterations analysis.
8943 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8944 folded_casts argument.
8945 (simple_iv): Pass base and step in a structure. Set no_overflow
8947 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8948 Evaluate expensiveness of computing # of iterations instead of
8949 the final expression.
8950 * tree-scalar-evolution.h (affine_iv): New structure.
8951 (simple_iv): Declaration changed.
8952 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8953 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8954 find_givs_in_stmt): Changed due to simple_iv change.
8956 2006-01-06 Jeff Law <law@redhat.com>
8959 * tree-cfg.c (bsi_replace): Rename final argument from
8960 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8961 change (stmt -> orig_stmt).
8962 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8963 (bsi_remove): Add new argument. Remove EH information
8965 (verify_eh_throw_table_statements): New function.
8966 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8968 * tree-optimize.c (execute_free_cfg_annotations): Verify
8969 the EH throw statement table after removing annotations.
8970 * except.h (verify_eh_throw_table_statements): Prototype.
8971 * tree-flow.h (bsi_remove): Update prototype.
8972 * tree-vrp.c (remove_range_assertions): Add new argument to
8974 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8975 * tree-complex.c (expand_complex_div_wide): Likewise.
8976 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8977 * tree-tailcall.c (eliminate_tailcall): Likewise.
8978 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8979 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8980 * tree-nrv.c (tree_nrv): Likewise.
8981 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8982 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8983 (combine_blocks): Likewise.
8984 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8985 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8986 (cleanup_control_flow): Likewise.
8987 (remove_forwarder_block): Likewise.
8988 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8989 * tree-sra.c (sra_replace): Likewise.
8990 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8991 (forward_propagate_single_use_vars): Likewise.
8992 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8993 * tree-inline.c (expand_call_inline): Likewise.
8994 * tree-vect-transform.c (vect_transform_loop): Likewise.
8995 * tree-outof-ssa.c (rewrite_trees): Likewise.
8996 * tree-cfg.c (make_goto_expr_edges): Likewise.
8997 (cleanup_dead_labels): Likewise.
8998 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8999 (bsi_move_before, bsi_move_after): Likewise.
9000 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9001 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9003 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9006 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9008 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9009 on non gimple variables. Also add checks at the top for decls and
9011 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9013 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9014 and IMAGPART_EXPR for creating MUST_DEFs.
9015 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9016 and NAME_MEMORY_TAG separately from the DECLs.
9018 2006-01-06 Richard Guenther <rguenther@suse.de>
9020 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9021 annotation, if necessary.
9022 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9023 redundant calls to update_stmt.
9024 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9027 2006-01-05 Richard Henderson <rth@redhat.com>
9029 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9031 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9033 * c-typeck.c: Update copyright date.
9035 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9037 * c-typeck.c (build_c_cast): Always warn when casting
9038 from a pointer to an integer of different size, even if
9039 the node was constant.
9041 2006-01-05 Richard Guenther <rguenther@suse.de>
9043 PR tree-optimization/22555
9044 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9045 if one structure field is an array.
9046 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9047 operands even if we found a subvar, but ignore VOPs in this
9049 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9051 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9053 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9056 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9058 2006-01-05 Richard Guenther <rguenther@suse.de>
9059 Diego Novillo <dnovillo@redhat.com>
9061 * tree-pass.h (TODO_remove_unused_locals): Define.
9062 * gimple-low.c (expand_var_p, remove_useless_vars,
9063 pass_remove_useless_vars): Remove. Update all users.
9064 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9065 (remove_unused_locals): New function.
9066 * tree-flow.h (remove_unused_locals): Declare.
9067 * passes.c (execute_todo): Call remove_unused_locals if
9068 TODO_remove_unused_locals is set.
9069 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9070 * tree-ssa-dce.c (pass_dce): Likewise.
9071 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9073 2006-01-05 Richard Guenther <rguenther@suse.de>
9075 * tree-flow.h (struct fieldoff): Decompose field to
9076 type, size and decl.
9077 * tree-ssa-alias.c (create_sft): Take type as parameter.
9078 (create_overlap_variables_for): Store type, size and decl
9079 in the fieldoff structure.
9080 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9082 (push_fields_onto_fieldstack): Likewise.
9083 (create_variable_info_for): Likewise. Use offset for the
9084 SFT name if the decl is not available.
9086 2006-01-04 Paul Brook <paul@codesourcery.com>
9088 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9090 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9092 * lambda-code.c (can_put_in_inner_loop): Relax
9094 (can_put_after_inner_loop): New function.
9095 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9096 (perfect_nestify): Change to make copies and modify uses.
9098 2006-01-04 Richard Henderson <rth@redhat.com>
9100 Merge from gomp branch:
9101 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9102 via integer constant.
9103 (pragma_lex): Remove.
9104 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9105 rather than parsing it.
9106 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9107 handle_pragma_extern_prefix): Add %< %> quotes.
9108 (registered_pragmas): New.
9109 (c_register_pragma_1): New.
9110 (c_register_pragma): Use it.
9111 (c_register_pragma_with_expansion): Likewise.
9112 (c_invoke_pragma_handler): New.
9113 (init_pragma): Use cpp_register_deferred_pragma directly for
9115 * c-pragma.h (enum pragma_kind): New.
9116 (pragma_handler): New.
9117 (c_invoke_pragma_handler): Declare.
9118 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9120 * c-common.h (c_common_pch_pragma): Update decl.
9121 * Makefile.in (c-parser.o): Update dependencies.
9122 (GTFILES): Add c-pragma.h.
9123 * c-parser.c (struct c_token): Add pragma_kind.
9124 (struct c_parser): Add in_pragma.
9125 (c_lex_one_token): Always initialize keyword and pragma_kind.
9126 Extract data for CPP_PRAGMA.
9127 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9128 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9129 Don't allow CPP_PRAGMA_EOL if in_pragma.
9130 (c_parser_consume_pragma): New.
9131 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9132 (c_parser_skip_to_end_of_parameter): Likewise.
9133 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9134 (c_parser_skip_to_pragma_eol): New.
9135 (c_parser_external_declaration): Handle CPP_PRAGMA.
9136 (c_parser_compound_statement_nostart): Likewise.
9137 (c_parser_statement_after_labels): Likewise.
9138 (c_parser_pragma): New.
9139 (pragma_lex): Likewise.
9140 (c_parser_pragma_pch_preprocess): New.
9141 (c_parser_new): Merge into ...
9142 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9144 2006-01-04 Jeff Law <law@redhat.com>
9147 * tree-cfg.c (bsi_replace): Remove the original statement
9148 from the EH throw statement table.
9150 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9152 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9153 make the prototype extern "C" and add throw ().
9156 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9157 and pos non-negative and pos + len <= 32.
9158 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9159 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9160 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9163 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9164 as well as sizes not multiple of component size.
9167 * function.c (instantiate_expr): New function.
9168 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9169 walk its DECL_VALUE_EXPR with instantiate_expr.
9171 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9172 DW_OP_deref{,_size} if address isn't going to be added.
9174 2006-01-04 Ben Elliston <bje@au.ibm.com>
9176 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9177 * config/fp-bit.c: Likewise.
9179 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9181 * dominance.c: Add comment about why we use DFS numbering
9184 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9185 Richard Henderson <rth@redhat.com>
9187 Merge from gomp-branch:
9188 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9189 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9191 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9193 PR rtl-optimization/25578
9194 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9195 pass a parameter to simplify_shift_const if changing ASHIFTRT
9198 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9200 * builtins.c (get_builtin_sync_mem): New function.
9201 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9202 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9203 Call get_builtin_sync_mem to generate mem rtx.
9205 2006-01-03 Richard Guenther <rguenther@suse.de>
9208 * stmt.c (add_case_node): Make sure to clear overflow flags
9211 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9213 Merge from gomp-branch.
9214 * config/sparc/sync.md: New file.
9215 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9216 UNSPECV_LDSTUB): New constants.
9217 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9218 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9219 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9222 2006-01-03 Roger Sayle <roger@eyesopen.com>
9224 * combine.c (reg_subword_p): New predicate to test whether the
9225 destination of a set refers to a subword/piece of a register.
9226 (try_combine): Generalize the code to merge the setting of a
9227 pseudo to a constant followed by a set of a subword of that
9228 register to a constant.
9230 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9232 * basic-block.h (control_flow_graph): Change the type of
9233 x_label_to_block_map to VEC(basic_block,gc) *.
9234 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9235 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9237 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9238 VEC(basic_block,heap) *.
9239 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9240 ssa_prop_fini): Adjust the uses of cfg_blocks.
9242 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9244 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9246 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9247 hashing trees instead of a pointer hash.
9248 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9249 compare for MEM_EXPR.
9251 PR rtl-optimization/25130
9252 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9253 when comparing MEMs for GCSE
9255 2006-01-03 Ben Elliston <bje@au.ibm.com>
9257 * targhooks.h (default_decimal_float_supported_p): Declare.
9258 * targhooks.c (default_decimal_float_supported_p): Define.
9259 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9260 `default_decimal_float_supported_p'.
9261 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9263 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9265 * combine.c (apply_distributive_law <SUBREG>): Check
9266 TRULY_NOOP_TRUNCATION.
9268 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9270 * dwarf2out.c (have_switched_text_section): Delete.
9271 (have_multiple_function_sections): New.
9272 (have_location_lists): Make 'bool'.
9273 (add_AT_loc_list): Use 'true' not '1'.
9274 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9275 (output_loc_list): Use have_multiple_function_sections.
9276 (output_ranges): Likewise.
9277 (dwarf2out_begin_function): Set have_multiple_function_sections if
9279 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9280 Check function_section rather than DECL_SECTION_NAME.
9281 (dwarf2out_finish): Use have_multiple_function_sections.
9282 Don't clear have_location_lists.
9284 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9285 Jan Hubicka <jh@suse.cz>
9287 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9288 case of conditional jump jumping to the next instruction.
9289 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9290 cases of conditional jump jumping to the next instruction.
9292 2006-01-02 Jan Hubicka <jh@suse.cz>
9294 * i386.c (*_cost): Add COSTS_N_INSNS.
9295 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9297 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9300 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9302 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9304 * config/arm/arm.c (all_fpus): Fix comment typo.
9305 * config/darwin.c: Likewise.
9306 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9307 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9308 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9310 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9312 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9313 (rs6000_split_compare_and_swapqhi): New.
9314 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9315 (sync_compare_and_swapqhi_internal): New.
9316 * config/rs6000/rs6000-protos.h: Declare.
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