1 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
4 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7 * tree-ssa-live.h: Include vecprim.h.
8 (tree_partition_associator_d): Change the type of
9 first_partition to VEC(int,heap) *.
10 (tpa_first_partition): Use VEC instead of VARRAY.
12 2006-04-12 Roger Sayle <roger@eyesopen.com>
14 * expr.c (emit_group_store): Correct operand order in call to
15 subreg_lowpart_offset. Always create paradoxical SUBREGs with
16 a SUBREG_BYTE of zero.
18 2006-04-12 Richard Guenther <rguenther@suse.de>
20 * profile.c (compute_branch_probabilities): Remove code
21 encapsulated in !ir_type (), which are remanents of the
22 removed RTL profiling code.
23 * rtl-profile.c: Remove.
25 2006-04-12 Alan Modra <amodra@bigpond.net.au>
27 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
28 magic NULL_RTX comment.
29 (function_arg): Store entire fp arg to mem if any part should go
31 (rs6000_arg_partial_bytes): Adjust for above change.
33 2006-04-11 Roger Sayle <roger@eyesopen.com>
35 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
36 if it hasn't been initialized by dwarf2out_init.
38 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
40 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
41 symbolic constants in branch patterns.
43 2006-04-11 Roger Sayle <roger@eyesopen.com>
45 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
47 2006-04-11 Richard Sandiford <richard@codesourcery.com>
49 PR rtl-optimization/27073
50 * gcse.c (try_replace_reg): Revert last change. Continue to search
51 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
54 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
56 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
57 aggregate types other than record and union types.
58 (function_arg): Likewise.
59 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
61 (function_value): In 64-bit mode, return objects that require it
64 2006-04-11 Roger Sayle <roger@eyesopen.com>
66 * dwarf2out.c (premark_used_types): Remove problematic prototype.
68 2006-04-11 Jakub Jelinek <jakub@redhat.com>
70 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
72 2006-04-03 Jeff Law <law@redhat.com>
75 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
76 alias information too.
78 2006-04-10 Mike Frysinger <vapier@gentoo.org>
80 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
82 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
85 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
86 (premark_used_types_helper): New.
87 (premark_used_types): New.
88 (gen_subprogram_die): Call premark_used_types.
89 (prune_unused_types_walk): Do not prune perennial dies.
90 * function.c (used_types_insert): New.
91 * function.h (struct function): Add used_types_hash field.
92 (used_types_insert): Add prototype.
93 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
94 * c-parser.c (c_parser_cast_expression): Save casted types in used
97 2006-04-11 Mark Mitchell <mark@codesourcery.com>
100 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
101 rs6000_explicit_options.float_gprs.
103 2006-04-10 Roger Sayle <roger@eyesopen.com>
105 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
106 from ix86_expand_vector_init_low_nonzero. Take an additional
107 one_var argument indicating which element is non-zero. Support
108 one_var != 0 for V4SFmode and V4SImode by permuting the result.
109 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
110 with one_var instead of ix86_expand_vector_init_low_nonzero.
112 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
114 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
115 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
116 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
117 build/genextract.o): Depend on vecprim.h.
118 * cfglayout.c, df-problems.c, function.c, genextract.c,
119 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
120 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
124 2006-04-10 Geoffrey Keating <geoffk@apple.com>
126 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
127 Declare VECs of this type.
128 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
129 (remove_children): Delete.
130 (add_dwarf_attr): Use VEC routines.
131 (add_AT_flag): Update for changes to add_dwarf_attr.
132 (add_AT_int): Likewise.
133 (add_AT_unsigned): Likewise.
134 (add_AT_long_long): Likewise.
135 (add_AT_vec): Likewise.
136 (add_AT_string): Likewise.
137 (add_AT_die_ref): Likewise.
138 (add_AT_fde_ref): Likewise.
139 (add_AT_loc): Likewise.
140 (add_AT_loc_list): Likewise.
141 (add_AT_addr): Likewise.
142 (add_AT_lbl_id): Likewise.
143 (add_AT_lineptr): Likewise.
144 (add_AT_macptr): Likewise.
145 (add_AT_offset): Likewise.
146 (add_AT_range_list): Likewise.
147 (get_AT): Use VEC_iterate.
148 (remove_AT): Use VEC_ordered_remove.
149 (free_die): Fold remove_children into here; have it use VEC_iterate.
150 (print_die): Use VEC_iterate on attrs.
151 (reverse_die_lists): Don't reverse attr lists.
152 (die_checksum): Use VEC_iterate on attrs.
153 (same_die_p): Likewise.
154 (output_location_lists): Likewise.
155 (build_abbrev_table): Likewise.
156 (size_of_die): Likewise.
157 (unmark_all_dies): Likewise.
158 (output_abbrev_section): Likewise.
159 (output_die): Likewise.
160 (prune_unused_types_walk_attribs): Likewise.
162 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
164 * doc/install.texi (*-*-solaris2*): Point to the configure page.
166 2006-04-10 Jakub Jelinek <jakub@redhat.com>
169 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
171 2006-04-09 Roger Sayle <roger@eyesopen.com>
173 * expr.c (store_constructor): Don't bother clearing target if
174 we're about to assign a vector to it using vec_init_optab.
176 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
178 * tree-ssa-alias.c (lhs_may_store_to): New function.
179 (recalculate_used_alone): Handle LHS of calls.
181 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
185 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
186 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
187 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
188 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
189 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
190 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
191 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
192 stubs. Add ".align 8" directives before all ".dword" directives.
193 (GTHREAD_USE_WEAK): Revise comment.
194 (TARGET_ATTRIBUTE_WEAK): Define.
195 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
196 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
197 * stublib.c: New file.
202 * pa.md (cbranch patterns): Revise arguments used in calls to
203 output_cbranch, output_bb and output_bvd. Add long branch length
205 (fbranch patterns): Handle long branches.
206 (jump): Revise length check. Revise arguments for output_lbranch call.
207 Add long branch length attributes.
208 (decrement_and_branch_until_zero): Add long branch length attributes.
209 (output_movb, output_parallel_addb and output_parallel_movb patterns):
210 Likewise. Revise arguments for output_parallel_addb and
211 output_parallel_movb calls.
212 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
213 output_parallel_movb and output_parallel_addb): Update prototypes.
214 * pa.c (output_cbranch): Revise arguments. Correct handling of
215 nullification in long branches.
216 (output_lbranch): Add new argument to control extraction of delay
218 (output_bb): Handle long branches.
219 (output_bvb, output_dbra, output_movb, output_parallel_movb,
220 output_parallel_addb): Likewise.
222 2006-04-09 Richard Sandiford <richard@codesourcery.com>
224 PR rtl-optimization/27073
225 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
228 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
230 * tree.h (tree_memory_tag): Add old_used_alone.
231 (SMT_OLD_USED_ALONE): New macro.
232 * tree-ssa-alias.c (recalculate_used_alone): Stop
233 marking things for renaming unnecessarily.
235 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
237 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
238 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
239 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
240 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
241 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
242 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
243 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
244 spelling convensions.
245 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
246 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
247 typos. Follow spelling conventions.
249 2006-04-07 DJ Delorie <dj@redhat.com>
251 * config/m32c/m32c.c (m32c_function_arg): Structures are always
253 (m32c_init_cumulative_args): When a function returns a structure,
254 always pass the pointer to that return area on the stack.
255 (m32c_function_arg_advance): Don't increment the parameter number
256 if we're processing the returned structure pointer.
257 (pushm_info): Reverse order of registers.
259 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
261 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
262 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
263 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
264 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
266 * tree-chrec.c (chrec_fold_multiply_poly_poly,
267 chrec_fold_multiply): Same.
268 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
269 force_expr_to_var_cost): Same.
270 * tree-mudflap.c (mf_xform_derefs_1): Same.
271 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
273 2006-04-07 David Edelsohn <edelsohn@gnu.org>
275 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
276 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
279 2006-04-07 Jan Hubicka <jh@suse.cz>
281 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
283 2006-04-07 Richard Guenther <rguenther@suse.de>
285 PR tree-optimization/26135
286 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
287 loads for store copy-prop.
288 (copy_prop_visit_stmt): Likewise.
290 2006-04-05 Robert Millan <robertmh@gnu.org>
292 * gcc/config/i386/linux.h: Add a comment to mark macros that are
293 being overriden in config/k*bsd-gnu.h.
294 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
296 * gcc/config/knetbsd-gnu.h: Ditto.
298 2006-04-06 Jan Hubicka <jh@suse.cz>
302 * coverage.c (coverage_checksum_string): Reorganize loop to not read
305 2006-04-06 Mike Stump <mrs@apple.com>
307 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
308 for HAVE_nonlocal_goto to be consistent.
309 (expand_builtin_nonlocal_goto): Likewise.
310 (expand_builtin_strcmp): Use #ifdef instead of #if
311 for HAVE_cmpstrnsi to be consistent.
313 2006-04-05 DJ Delorie <dj@redhat.com>
315 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
318 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
320 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
321 got-relative addressing for anything but SImode.
323 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
324 even if the calling function doesn't modify them.
326 2006-04-05 Richard Guenther <rguenther@suse.de>
328 PR tree-optimization/26919
329 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
330 to cgraph_estimate_size_after_inlining.
332 2006-04-05 Alan Modra <amodra@bigpond.net.au>
334 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
336 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
338 PR tree-optimization/26996
339 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
340 VECTOR_TYPE variables.
342 2006-04-05 Richard Guenther <rguenther@suse.de>
344 PR tree-optimization/26763
345 * fold-const.c (fold_comparison): Move folding of
346 PTR + CST CMP PTR + CST ...
347 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
349 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
351 * doc/install.texi (Prerequisites): Refine some wording on
352 bootstrapping and ksh.
353 Move the version numbers of DejaGnu here from the testing section
354 and fix casing of names.
355 Fix markup and clarify wording for autogen requirements.
356 Refer to GCJ instead of just java.
357 Refer to SVN instead of CVS.
358 Describe diffutils as useful instead of necessary.
359 (Downloading the source): Refer to SVN instead of CVS.
360 Adjust a link to our web site accordingly.
361 (Configuration): Fix casing of Bison.
362 (Building): Refer to SVN instead of CVS.
363 Fix a sentence on the use of Bison and remove duplicate (and
364 incorrect) version number of Bison requirement.
365 Remove one redundant list of packages needed for building.
366 (Specific): Avoid reference to CVS.
368 2006-04-04 Eric Christopher <echristo@apple.com>
370 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
371 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
372 (rs6000_handle_struct_attribute): New.
373 (rs6000_ms_bitfield_layout_p): Ditto.
375 2006-04-04 Geoffrey Keating <geoffk@apple.com>
377 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
378 NULL for dso parameter to atexit_common.
380 2006-04-04 Eric Christopher <echristo@apple.com>
382 * config/i386/i386.c (machopic_output_stub): Output \t
383 between instructions and operands.
385 2006-04-04 David Edelsohn <edelsohn@gnu.org>
387 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
388 satisfies_constraint_[IL] to explicit tests on value.
390 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
392 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
393 set_nb_iterations_in_loop): Use build_int_cst instead of
395 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
396 build_int_cst instead of convert.
398 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
400 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
401 new value 2 for incoming.
402 * function.c (expand_function_start): Call struct_value_rtx
404 * config/sparc/sparc.md: Comment updated_return.
405 * config/sparc/sparc.opt: Add -mstd-struct-return option.
406 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
407 struct return if sparc_std_struct_return and incoming is 2.
408 (print_operand): Do not adjust return if
409 sparc_std_struct_return.
411 2006-04-04 Roger Sayle <roger@eyesopen.com>
413 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
414 convert in the middle-end.
415 * expr.c (store_expr, store_constructor, get_inner_reference,
416 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
418 * tree.c (build_range_type): Likewise.
420 2006-04-04 Tom Tromey <tromey@redhat.com>
422 * doc/install.texi (Prerequisites): Mention jar.
424 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
426 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
429 2006-04-04 Matthias Klose <doko@debian.org>
431 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
433 2006-04-03 Geoffrey Keating <geoffk@apple.com>
435 * doc/extend.texi (Function Attributes): Rewrite visibility
436 attribute documentation.
437 * doc/invoke.texi (C++ Dialect Options): Rewrite
438 -fvisibility-inlines-hidden documentation to describe something
439 entirely different, although in practise compatible.
440 (Code Gen Options): Warn about system headers in -fvisibiltity=
443 * doc/extend.texi (Other Builtins): Document that
444 __builtin_nan is a compile-time constant only when its argument
447 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
449 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
450 trying to remove TRUNCATE check if all bits outside the new mode
451 are identical to the sign bit.
453 2006-04-03 Jeff Law <law@redhat.com>
455 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
456 and operand scanning in some common cases.
458 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
459 Dale Johannesen <dalej@apple.com>
462 * regclass.c (struct reg_pref): Update documentation.
463 (regclass): Set prefclass to NO_REGS if memory is the best option.
464 (record_reg_classes): Cope with a prefclass set to NO_REGS.
465 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
466 into account. For non-registers, equate an empty preferred
467 reload class to a `!' in the constraint; move the if clause to
468 do so after those that reject the insn.
469 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
471 (find_dummy_reload): Likewise.
472 * doc/tm.texi (Register Classes): Document what it means
473 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
474 * config/i386/i386.c (ix86_preferred_reload_class): Force
475 using SSE registers (and return NO_REGS for floating-point
476 constants) if math is done with SSE.
477 (ix86_preferred_output_reload_class): New.
478 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
479 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
480 * config/i386/i386.md: Remove # register preferences.
482 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
485 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
486 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
488 (instantiate_parameters_1): Convert the operands before calling
489 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
490 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
492 2006-04-02 Roger Sayle <roger@eyesopen.com>
494 * builtins.c (dummy_object): Use build_int_cst instead of convert.
495 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
497 * dojump.c (do_jump): Likewise.
498 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
499 * gimplify.c (gimple_boolify, gimplify_init_constructor,
500 gimplify_boolean_expr): Likewise.
501 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
502 * varasm.c (array_size_for_constructor): Likewise.
503 * tree-object-size.c (compute_object_offset): Likewise.
505 2006-04-02 Roger Sayle <roger@eyesopen.com>
508 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
509 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
511 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
513 PR tree-optimization/26939
514 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
516 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
518 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
519 at_stmt. Convert the type of operands before calling
520 build_polynomial_chrec.
521 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
523 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
524 (instantiate_parameters_1): Convert the type of operands before calling
525 build_polynomial_chrec.
526 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
527 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
528 reset_evolution_in_loop): Insert asserts to check the types of the
530 (chrec_type): Moved...
531 (eq_evolutions_p): Use operand_equal_p.
532 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
533 the types of the operands.
534 (chrec_type): ...here.
535 * tree-data-ref.c (create_data_ref): Convert the operands before
536 calling chrec_replace_initial_condition.
537 (same_access_functions, analyze_subscript_affine_affine,
538 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
539 (compute_subscript_distance, analyze_ziv_subscript,
540 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
541 analyze_miv_subscript): Convert the operands before calling
542 chrec_fold_minus or chrec_fold_plus.
544 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
546 * tree-data-ref.c (compute_all_dependences): Use a pointer to
547 the dependence_relations vector.
548 (compute_data_dependences_for_loop): Adjust call to
549 compute_all_dependences.
551 2006-04-01 Roger Sayle <roger@eyesopen.com>
552 Richard Henderson <rth@redhat.com>
554 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
555 gimple_boolify on the condition before calling gimplify_expr.
557 2006-03-31 Bob Wilson <bob.wilson@acm.org>
559 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
560 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
561 the frame size. Update to use the new macros.
562 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
563 * config/xtensa/ieee754-df.S: Likewise.
565 2006-03-31 Richard Henderson <rth@redhat.com>
567 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
568 (make_edges): ... here. Control fallthru creation with a local
569 variable. Do not play with fake edges.
570 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
571 (make_goto_expr_edges): Don't play with fake edges. Make for_call
574 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
576 * dwarf2.h (DW64_CIE_ID): Define.
577 * dwarf2out.c (DWARF_CIE_ID): Define.
578 (output_call_frame_info): Output 0xffffffff before standard 8-byte
579 length header. Use DWARF_CIE_ID.
580 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
581 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
583 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
585 * config/sh/linux-atomic.asm: New file.
586 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
588 2006-03-31 DJ Delorie <dj@redhat.com>
590 * config/m32c/cond.md: Set condition flags properly throughout.
591 * config/m32c/minmax.md: Likewise.
592 * config/m32c/prologue.md: Likewise.
593 * config/m32c/bitops.md: Likewise.
594 * config/m32c/muldiv.md: Likewise.
595 * config/m32c/mov.md: Likewise.
596 * config/m32c/addsub.md: Likewise.
597 * config/m32c/m32c.md: Likewise.
598 * config/m32c/jump.md: Likewise.
599 * config/m32c/shift.md: Likewise.
601 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
602 conditionally output the pattern for this.
603 * config/m32c/m32c.c (flags_needed_for_conditional): New.
604 (m32c_compare_redundant): New.
605 (m32c_output_compare): New.
606 * config/m32c/m32c-protos.h (m32c_output_compare): New.
608 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
609 dest, not src. Allow other 4-byte modes.
611 2006-03-30 Denis Chertykov <denisc@overta.ru>
613 * doc/md.texi: Refer to avr/constraints.md instead of
616 2006-03-30 Roger Sayle <roger@eyesopen.com>
618 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
619 signed vs. unsigned comparison failures on some hosts.
621 2006-03-31 Alan Modra <amodra@bigpond.net.au>
624 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
625 change to FLOAT_REGS.
627 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
628 (rs6000_override_options): Use it.
629 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
630 only for -mabi=spe/no-spe and -mabi=altivec.
632 2006-03-30 Geoffrey Keating <geoffk@apple.com>
634 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
637 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
639 * Makefile.in: Rename docdir to gcc_docdir.
641 2006-03-30 Roger Sayle <roger@eyesopen.com>
644 * expr.c (emit_group_store): Optimize group stores into a pseudo
645 register by using a paradoxical subreg to initialize the destination
646 if the first or last member of the group specifies a "low part".
648 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
651 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
652 * target.h (struct gcc_target.speculate_insn): Change type of the
653 second parameter to 'int'.
654 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
655 the second operand of the DEPS_LIST.
656 (copy_DEPS_LIST_list): Update reference to the second operand of the
658 * rtl.h (alloc_DEPS_LIST): Update signature.
659 * sched-int.h (ds_t): Change typedef to 'int'.
660 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
662 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
664 * haifa-sched.c (try_ready): Change condition to restore
665 non-speculative pattern of the instruction.
666 (process_insn_depend_be_in_spec): Code to keep probability of the
667 speculative dependence non-decreasing.
669 2006-03-30 Jie Zhang <jie.zhang@analog.com>
671 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
672 (single_move_for_movmem): ... this. Also change all uses.
673 (bfin_expand_strmov): Renamed to...
674 (bfin_expand_movmem): ... this. Also change all uses.
675 * config/bfin/bfin.md (movstrsi): Renamed to...
678 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
680 PR tree-optimization/26830
682 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
683 (copy_prop_visit_stmt): Remove write-only variable ann.
684 (init_copy_prop): Check variable loop depth here. Do not simulate
685 memory-tag and virtual operand PHIs except for store copy prop.
687 2006-03-30 Richard Guenther <rguenther@suse.de>
689 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
690 variants with double arguments.
692 2006-03-29 David Edelsohn <edelsohn@gnu.org>
694 * genpreds.c (write_tm_constrs_h): Delete variable p.
695 * genconditions.c (write_header): Add tm-constrs.h to included
697 * genpeep.c (main): Add toplev.h to included headers.
698 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
699 (build/genpeep.o): Add toplev.h dependency.
700 * config/rs6000/constraints.md: Add "W" constraint.
702 2006-03-29 Roger Sayle <roger@eyesopen.com>
704 * stor-layout.c (mode_for_size_tree): Remove restiction on type
705 sizes by correctly testing whether the size fits a host integer.
706 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
707 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
708 SImode range for the default sizetype and bitsizetype.
710 2006-03-29 Roger Sayle <roger@eyesopen.com>
712 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
713 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
714 quickly if the argument is already of the correct type.
715 Call fold_build1 instead of build1. Tidy up blank lines.
717 2006-03-29 David Edelsohn <edelsohn@gnu.org>
719 * genemit.c (main): Add tm-constrs.h to included headers.
720 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
721 * genpeep.c (main): Add tm-constrs.h to included headers.
722 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
723 (write_tm_constrs_h): this and write complete file.
724 (write_tm_preds_h): Do not emit satisfies_constraint fns.
725 (write_insn_preds_c): Add tm-constrs.h to included headers.
726 (gen_constrs): New variable.
727 (parse_option): Parse "-c".
728 (main): Invoke write_tm_constrs_h.
729 * genrecog.c (write_header): Add tm-constrs.h to included headers.
730 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
731 (object_out_file): Add tm-constrs.h dependency.
733 (insn-output.o): Same.
735 (insn-preds.o): Same.
736 (insn-recog.o): Same.
737 (tm-constsr.h): New target.
738 (s-constrs-h): New target.
740 * config/rs6000/constraints.md: New file.
741 * config/rs6000/rs6000.c: Include tm-constrs.h.
742 (num_insn_constant_wide): Convert to satisfies_constraint.
743 (rs6000_rtx_costs): Convert to satisfies_constraint.
744 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
745 (CONST_OK_FOR_LETTER_P): Delete.
746 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
747 (EXTRA_CONSTRAINT): Delete.
748 (EXTRA_MEMORY_CONSTRAINT): Delete.
749 (EXTRA_ADDRESS_CONSTRAINT): Delete.
750 * config/rs6000/predicates.md: Convert to satisfies_constraint.
751 * config/rs6000/rs6000.md: Include constraints.md. Convert to
752 satisfies_constraint.
754 * config/i386/i386.c: Include tm-constrs.h.
756 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
758 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
759 * tree-data-ref.c (find_data_references_in_loop,
760 compute_data_dependences_for_loop): Use pointers to VEC.
761 (analyze_all_data_dependences): Adjust calls.
762 * tree-data-ref.h (find_data_references_in_loop,
763 compute_data_dependences_for_loop): Adjust declarations.
764 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
765 compute_data_dependences_for_loop.
767 2006-03-29 Paul Brook <paul@codesourcery.com>
769 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
772 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
774 PR tree-optimization/26859
775 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
777 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
778 for the step after fold_convert.
780 2006-03-29 Paul Brook <paul@codesourcery.com>
782 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
783 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
785 2006-03-29 Paul Brook <paul@codesourcery.com>
788 * targhooks.c (default_narrow_bitfield): New fuction.
789 * targhooks.h (default_narrow_bitfield): add prototype.
790 * target.h (gcc_target): Add narrow_volatile_bitfield.
791 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
792 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
793 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
794 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
796 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
798 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
800 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
801 (NR_C_MODES): Add TDmode, DDmode and SDmode.
802 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
803 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
804 (s390_function_arg_float): Allow SDmode and DDmode values to be
805 passed in floating point registers.
806 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
807 check with SCALAR_FLOAT_MODE_P.
808 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
810 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
812 PR tree-optimization/25985
813 * tree-ssa-loop-niter.c (number_of_iterations_le,
814 number_of_iterations_ne): Make comments more precise.
815 (number_of_iterations_cond): Add only_exit argument. Use the
816 fact that signed variables do not overflow only when only_exit
818 (loop_only_exit_p): New.
819 (number_of_iterations_exit): Pass result of loop_only_exit_p to
820 number_of_iterations_cond.
822 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
824 PR tree-optimization/26643
825 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
828 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
830 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
831 (divsi3_i4_int): Likewise.
833 2006-03-28 Roger Sayle <roger@eyesopen.com>
835 * expr.c (emit_group_store): Only create a new pseudo reg if the
836 quantity it needs to hold isn't already a suitable pseudo.
838 2006-03-28 Jeff Law <law@redhat.com>
840 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
841 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
843 2006-03-28 Roger Sayle <roger@eyesopen.com>
845 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
846 the equivalent ~X & Y, and the symmetry related transformations.
847 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
848 ~X & Y, and symmetry related transforms.
850 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
852 Revert my 2006-03-27 patches.
854 2006-03-28 Roger Sayle <roger@eyesopen.com>
856 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
857 ~(T1)X, when T1 and T2 are integer types of the same precision
858 and (T2)X isn't an extension.
860 2006-03-28 Jeff Law <law@redhat.com>
862 PR tree-optimization/26796
863 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
864 need EH edge cleanups rather than purging them immediately.
865 (eliminate_degenerate_phis): Handle queued EH cleanups.
867 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
869 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
872 2006-03-27 Roger Sayle <roger@eyesopen.com>
875 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
876 cast BIT_NOT_EXPR operand to the correct type.
878 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
880 * tree-loop-linear.c: Don't include varray.h.
881 (gather_interchange_stats, try_interchange_loops,
882 linear_transform_loops): Use VEC instead of VARRAY.
883 * lambda-mat.c: Don't include varray.h.
884 * tree-chrec.c: Same.
885 * lambda-trans.c: Same.
886 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
887 VEC instead of VARRAY.
888 * tree-vectorizer.h: Idem.
889 * tree-data-ref.c (dump_data_references,
890 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
891 initialize_data_dependence_relation, finalize_ddr_dependent,
892 compute_all_dependences, find_data_references_in_loop,
893 compute_data_dependences_for_loop, analyze_all_data_dependences,
894 free_dependence_relation, free_dependence_relations,
895 free_data_refs): Idem.
896 * tree-data-ref.h (data_reference_p, subscript_p): New.
897 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
898 VEC instead of VARRAY.
899 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
900 (find_data_references_in_loop, compute_data_dependences_for_loop,
901 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
902 dump_data_dependence_relations, free_dependence_relations,
903 free_data_refs): Adjust declaration.
904 (lambda_transform_legal_p): Move declaration here...
905 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
906 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
907 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
908 vect_analyze_data_refs): Use VEC instead of VARRAY.
909 * lambda.h (lambda_transform_legal_p): ...from here.
910 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
911 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
912 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
913 tree-chrec.o): Don't depend on VARRAY_H.
915 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
917 * rtl.def (Copyright): Update date.
918 (DEPS_LIST): Change type of the second operand to 'int'.
919 * target.h (Copyright): Update date.
920 (struct gcc_target.speculate_insn): Change type of the second parameter
922 * lists.c (Copyright): Update date.
923 (alloc_DEPS_LIST): Change signature. Update reference to the second
924 operand of the DEPS_LIST.
925 (copy_DEPS_LIST_list): Update reference to the second operand of the
927 * rtl.h (Copyright): Update date.
928 (alloc_DEPS_LIST): Update signature.
929 * sched-int.h (Copyright): Update date.
930 (ds_t): Change typedef to 'int'.
931 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
933 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
935 * haifa-sched.c (Copyright): Update date.
936 (try_ready): Change condition to restore non-speculative pattern
938 (process_insn_depend_be_in_spec): Code to keep probability of the
939 speculative dependence non-decreasing.
941 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
943 * regrename.c (replace_oldest_value_addr): Initialize a variable to
944 shut up the compiler.
946 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
948 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
949 to use lib prefix for target.
950 ($(T)libic_invalidate_array_4-200.a): Likewise.
951 ($(T)libic_invalidate_array_4a.a): Likewise.
953 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
954 J"orn Rennecke <joern.rennecke@st.com>
956 * superh.opt: New file.
957 * sh.c (boardtype, osruntime): Remove.
958 * superh.h (SUBTARGET_OPTIONS): Remove.
959 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
961 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
962 arguments with ^ and/or [].
964 * config.gcc (sh-*-*): Add quoting to account for quirk of
966 Replace == with = in enable_incomplete_targets test.
968 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
969 with MASK_LITTLE_ENDIAN.
971 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
972 * config/sh/sh.opt: Added to some comments.
973 * config/sh/superh.h: Removed some chaff.
975 * config/sh/sh.opt: Add m4-[1234]00* options.
976 * config/sh/sh.c (sh_handle_option): Likewise.
977 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
978 (ic_invalidate_array_4-100.o): New rule.
979 ($(T)libic_invalidate_array_4-100.a): Likewise.
980 (ic_invalidate_array_4-200.o): Likewise.
981 ($(T)libic_invalidate_array_4-200.a): Likewise.
982 (ic_invalidate_array_4a.o): Likewise.
983 ($(T)libic_invalidate_array_4a.a): Likewise.
984 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
985 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
987 * config/sh/crt1.asm: Merged in profiling code.
988 * config/sh/superh.h (STARTFILE_SPEC): Override.
989 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
990 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
991 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
993 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
994 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
995 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
997 * sh.opt (mpretend-cmove): New option.
998 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
999 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1000 (movsicc): Add TARGET_PRETEND_CMOVE code.
1002 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1004 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1005 s390_class_max_nregs): New function prototypes.
1006 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1007 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1008 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1009 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1011 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1013 * dwarf2out.c (add_location_or_const_value_attribute): Call
1014 tree_add_const_value_attribute if nothing else works.
1015 (reference_to_unused): New.
1016 (rtl_for_decl_init): Use reference_to_unused to decide whether
1017 to output an initializer.
1019 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1022 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1023 peephole removing spe frob_di_df_2.
1025 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1027 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1028 (subscript_dependence_tester_1): Declared.
1029 (print_dir_vectors, print_dist_vectors): New.
1030 (debug_data_dependence_relation): New.
1031 (dump_data_dependence_relation): Print more details.
1032 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1033 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1034 (save_dist_v, save_dir_v, add_outer_distances,
1035 build_classic_dist_vector_1): New.
1036 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1037 Don't test for lambda_vector_lexico_pos.
1038 (same_access_functions, add_multivariate_self_dist,
1039 add_other_self_distances, dir_from_dist): New.
1040 (build_classic_dir_vector): Replace implementation almost identical to
1041 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1043 (subscript_dependence_tester_1): New.
1044 (subscript_dependence_tester): Handle the lexicographically negative
1045 distance vectors by recomputing the dependence relation.
1046 (compute_affine_dependence): Remove parameter loop_nest_depth.
1047 (compute_self_dependence): Don't call compute_subscript_distance.
1048 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1049 Add a parameter for the loop_nest.
1050 (find_loop_nest_1, find_loop_nest): New.
1051 (compute_data_dependences_for_loop): Compute the loop nest, and give
1052 up if the nest is not well formed.
1053 * tree-data-ref.h (loop_p): New.
1054 (struct data_dependence_relation): Replace size_vect field with
1055 loop_nest, a vec of loops.
1056 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1057 (DDR_LOOP_NEST): New.
1058 (print_dir_vectors, print_dist_vectors,
1059 debug_data_dependence_relation): Declared.
1060 (index_in_loop_nest): New.
1061 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1062 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1065 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1067 * simplify-rtx.c (simplify_relational_operation): Call
1068 simplify_relational_operation_1 even if mode is VOIDmode.
1070 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1072 PR tree-optimization/26804
1073 * tree.h (DECL_CALL_CLOBBERED): New macro.
1074 (tree_decl_common): Add call_clobbered_flag.
1075 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1076 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1077 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1078 (mark_non_addressable): Ditto.
1079 * tree-ssa.c (verify_call_clobbered): New function.
1080 (verify_alias_info): Use it.
1081 * tree-pass.h (pass_reset_cc_flags): New prototype.
1082 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1083 (reset_cc_flags): New function.
1084 * passes.c (init_optimization_passes): Call reset_cc_flags after
1085 initializing referenced_vars.
1087 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1088 Roger Sayle <roger@eyesopen.com>
1091 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1092 to 1.0 for non-real operands. Implement A / A optimization for
1095 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1097 * config/i386/i386.c (size_cost): Correct the comment for
1098 cost of storing fp registers.
1099 (i386_cost): Likewise.
1100 (i486_cost): Likewise.
1101 (pentium_cost): Likewise.
1102 (pentiumpro_cost): Likewise.
1103 (k6_cost): Likewise.
1104 (athlon_cost): Likewise.
1105 (k8_cost): Likewise.
1106 (pentium4_cost): Likewise.
1107 (nocona_cost): Likewise.
1108 (generic64_cost): Likewise.
1109 (generic32_cost): Likewise.
1111 2006-03-24 Denis Chertykov <denisc@overta.ru>
1113 * config/avr/avr-protos.h (extra_constraint): Delete.
1114 (extra_constraint_Q): New declaration.
1115 * config/avr/constraints.md: New file.
1116 * config/avr/avr.md: Include it.
1117 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1118 (TMP_REGNO, ZERO_REGNO): Likewise.
1119 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1120 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1121 (extra_constraint): Delete.
1122 (extra_constraint_Q): Test for memory constraint 'Q'.
1123 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1124 (REG_CLASS_FROM_LETTER): Delete.
1125 (CONST_OK_FOR_LETTER_P): Delete.
1126 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1127 (EXTRA_CONSTRAINT): Delete.
1128 (TMP_REGNO): Delete.
1129 (ZERO_REGNO): Delete.
1131 2006-03-24 Jeff Law <law@redhat.com>
1133 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1134 directly. Call mark_new_vars_to_rename slightly earlier.
1136 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1138 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1140 (gen_compile_unit_die): Use new language types for Objective-C and
1142 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1143 DW_LANG_C_plus_plus.
1146 * config/t-darwin (crt3.o): Work around bug 26840.
1147 * config/darwin-crt3.c: Rewrite.
1148 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1150 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1152 * doc/invoke.texi: Document -femit-class-debug-always
1153 * common.opt: Add -femit-class-debug-always.
1155 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1157 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1158 index and base register.
1159 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1160 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1161 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1162 REGNO_OK_FOR_INDEX_P.
1163 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1165 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1166 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1167 REG_OK_FOR_BASE_P): Definitions removed.
1169 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1172 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1173 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1174 set yet or weren't marked as local yet.
1176 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1178 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1181 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1183 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1184 (rs6000_legitimate_small_data_p): Delete.
1185 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1186 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1187 and make static. Add forward declaration. Update uses.
1188 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1189 of offsettable_memref_p.
1190 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1191 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1193 2006-03-24 Jeff Law <law@redhat.com>
1195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1196 around bug in immediate-use iterator.
1198 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1201 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1202 or __LITTLE_ENDIAN__.
1204 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1206 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1207 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1208 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1209 * config/sh/sh.opt (mdiv=): Amend description.
1210 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1211 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1212 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1213 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1214 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1215 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1216 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1217 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1218 TARGET_DIVIDE_CALL_FP.
1220 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1222 * haifa-sched.c (choose_ready): Fix type of the local variable.
1223 Move local variables. Add comment.
1224 (check_reg_live): Change signature. Make callable from debugger.
1225 * sched-int.h (check_reg_live): Update signature.
1226 * sched-ebb.c (check_reg_live): Update parameters.
1227 * sched-rgn.c (check_reg_live): Ditto.
1228 (region_head_or_leaf_p): Check pointer before dereferencing.
1229 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1230 before reload on optimization levels below 1.
1232 2006-03-23 Richard Henderson <rth@redhat.com>
1234 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1238 * config/alpha/predicates.md (local_symbolic_operand): Reject
1241 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1244 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1245 expressions which have overflowed constants.
1247 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1249 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1251 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1253 * cfgloopmanip.c (create_loop_notes): Removed.
1254 * final.c (final_scan_insn): Do not handle loop notes.
1255 * jump.c (squeeze_notes): Ditto.
1256 * cfglayout.c (skip_insns_after_block,
1257 duplicate_insn_chain): Ditto.
1258 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1260 * cfgloop.h (create_loop_notes): Declaration removed.
1262 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1264 * varasm.c (output_constant_pool): Restore fnname and fndecl
1266 (assemble_start_function): Adjust call accordingly.
1267 (assemble_end_function): Likewise.
1269 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1272 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1275 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1277 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1280 * system.h (ICE_EXIT_CODE): New macro.
1281 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1282 (diagnostic_action_after_output): Likewise.
1283 * gcc.c (fatal_ice): New function.
1284 (execute): Use it instead of fatal.
1285 (fancy_abort): Likewise.
1286 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1288 2006-03-22 Jeff Law <law@redhat.com>
1290 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1291 iv_analyze_result returning false.
1293 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1295 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1297 2006-03-22 Richard Henderson <rth@redhat.com>
1300 * except.c (duplicate_eh_regions_0): New.
1301 (duplicate_eh_region_1): Duplicate the children of the node as
1302 well as the node itself. Link them up properly.
1303 (duplicate_eh_region_2): Merge into ...
1304 (duplicate_eh_regions): ... here. Take copy_region argument, and
1305 copy only a sub-tree if asked. Simplify copying and fixup.
1306 (eh_region_outer_p): New.
1307 * except.h (duplicate_eh_regions): Update decl.
1308 (eh_region_outer_p): Declare.
1309 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1310 (lower_omp_master): Likewise.
1311 (lower_omp_ordered): Likewise.
1312 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1313 (move_stmt_r): Use it to remap labels. Handle recursion vs
1314 remap_decls_p properly.
1315 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1316 (find_outermost_region_in_block): New.
1317 (new_label_mapper): New.
1318 (move_sese_region_to_fn): Copy eh information to the new function
1320 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1322 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1325 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1327 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1328 into shared libraries.
1330 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1332 * doc/md.texi: Refer to i386/constraints.md instead of
1334 * config/i386/constraints.md: New file, extracted from...
1335 * config/i386/predicates.md: ...here.
1336 * config/i386/i386.md: Include constraints.md.
1338 2006-03-21 Jason Merrill <jason@redhat.com>
1340 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1343 * expr.c (init_block_move_fn): Force default visibility.
1344 (init_block_clear_fn): Likewise.
1345 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1346 * targhooks.c (default_external_stack_protect_fail): Likewise.
1348 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1350 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1351 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1352 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1353 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1354 (loadgp): Use mips_current_loadgp_style.
1355 (loadgp_noshared): New pattern.
1356 (sibcall_internal): Use MIPS_CALL.
1357 (sibcall_value_internal): Likewise.
1358 (sibcall_value_multiple_internal): Likewise.
1359 (call_internal): Likewise.
1360 (call_value_internal): Likewise.
1361 (call_value_multiple_internal): Likewise.
1362 (call_split): Use MIPS_CALL and add an 'S' constraint.
1363 (call_value_split): Likewise.
1364 (call_value_multiple_split): Likewise.
1365 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1366 (-mshared): New option.
1367 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1368 (mips_current_loadgp_style): Declare.
1369 * config/mips/mips.c (mips_classify_symbol): Avoid using
1370 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1371 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1372 TARGET_ABSOLUTE_ABICALLS.
1373 (override_options): Adjust comments. Improve the warning that is
1374 issued when -mabicalls and -G are used together.
1375 (mips_file_start): Remove comment.
1376 (mips_current_loadgp_style): New function.
1377 (mips_gnu_local_gp): New variable.
1378 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1380 (mips_output_function_prologue): Use mips_current_laodgp_style.
1381 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1382 the cprestore instruction.
1383 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1384 live for TARGET_ABSOLUTE_ABICALLS.
1385 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1386 (ASM_SPEC): Pass down -mshared and -mno-shared.
1387 (MIPS_CALL): New macro.
1388 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1390 * doc/invoke.texi (-mabicalls): Update documentation.
1391 (-mshared): Document.
1393 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1395 * config/ia64/unwind-hpux.c: New file.
1396 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1398 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1401 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1403 2006-03-21 Jeff Law <law@redhat.com>
1405 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1406 type conversions of a VR_VARYING source to a wider type.
1408 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1410 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1411 tm_file on Solaris 10 and later.
1412 (sparc64-*-solaris2*): Likewise.
1413 (sparc-*-solaris2*): Likewise.
1414 * config/sol26.h: Rename to config/sol2-6.h.
1415 * config/sol2-10.h: New file.
1417 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1420 * tree-ssa-pre.c (create_component_ref_by_pieces):
1423 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1426 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1427 return it immediately.
1429 2006-03-21 Michael Matz <matz@suse.de>
1431 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1433 (remove_arc, add_arc): Update num_out_arcs member.
1434 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1436 (cache_presence): New function.
1437 (compare_states_for_equiv): New function.
1438 (state_is_differed): Don't take number of outargs, adjust callers.
1439 Use new invariant for speeding up.
1440 (init_equiv_class): Create initial classes based on sorted
1442 (partition_equiv_class): Don't track out_arcs_num.
1443 (evaluate_equiv_classes): Call cache_presence on all states and
1446 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1448 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1449 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1450 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1451 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1453 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1454 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1455 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1456 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1457 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1459 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1460 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1461 (REGNO_REG_CLASS): ARGP is in PREGS.
1462 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1464 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1465 to deal with those addresses.
1466 * addresses.h: New file.
1467 * caller-save.c: Include "addresses.h".
1468 (init_caller_save): Use new base_reg_class function.
1469 * rtl-factoring.c: Include "addresses.h".
1470 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1471 * recog.c: Include "addresses.h".
1472 (preprocess_constraints): Use new base_reg_class function.
1473 * regrename.c: Include "addresses.h".
1474 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1475 functions. Keep track of a new var INDEX_CODE to compute valid
1477 (replace_oldest_value_addr): Likewise.
1478 (replace_oldest_value_mem): Use base_reg_class.
1479 * reload.c: Include "addresses.h".
1480 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1481 (find_reloads): Use new base_reg_class function.
1482 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1483 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1484 all callers and prototype changed.
1485 * reload1.c: Include "addresses.h".
1486 (maybe_fix_stack_asms): Use base_reg_class.
1487 * regclass.c: Include "addresses.h".
1488 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1489 (init_reg_autoinc): Use new base_reg_class function.
1490 (record_reg_classes): Likewise.
1491 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1492 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1493 Use new args to compute necessary class.
1495 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1496 regrename.o, rtl-factoring.o): Update dependencies.
1497 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1498 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1499 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1500 REG_OK_FOR_INDEX_P): Delete documentation.
1502 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1504 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1505 from V7 to V9 for Solaris 7 and above.
1507 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1509 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1510 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1511 argument pointers may not alias any other storage.
1512 * common.opt: Define option -fargument-noalias-anything.
1513 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1514 alias semantics is specified by flag_argument_noalias > 2.
1516 2006-03-20 Jeff Law <law@redhat.com>
1518 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1519 (pass_phi_only_cprop): Declare.
1520 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1522 * tree-ssa-dom.c (degenerate_phi_result): New function.
1523 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1524 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1525 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1526 (eliminate_degenerate_phis): Likewise.
1527 (pass_phi_only_cprop): New pass descriptor.
1528 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1529 support code. Callers updated.
1530 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1531 (store_copy_prop): Likewise.
1532 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1534 2006-03-20 Jason Merrill <jason@redhat.com>
1537 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1538 (push_visibility, pop_visibility): Likewise.
1539 * c-pragma.h: Declare them.
1541 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1543 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1545 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1546 parameter and use get_ebb_head_tail.
1547 (sh_md_init_global): Adjust uses of find_regmode_weight.
1549 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1551 * function.h (struct function) <x_tail_recursion_reentry>:
1552 Rename to x_stack_check_probe_note.
1553 (tail_recursion_reentry): Rename to stack_check_probe_note.
1554 * function.c: Replace tail_recursion_reentry with
1555 stack_check_probe_note everywhere.
1556 (expand_function_start): Only emit a note for
1557 stack_check_probe_note with -fstack-protect.
1558 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1560 * emit-rtl.c (remove_unnecessary_notes): Remove.
1561 (pass_remove_unnecessary_notes): Remove.
1562 * rtl.h (remove_unnecessary_notes): Remove prototype.
1563 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1564 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1565 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1567 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1570 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1571 (valid_in_set): Handle ARRAY_REF.
1572 Change "if min_variant or VH" to asserts.
1573 (create_component_ref_by_pieces): Handle ARRAY_REF.
1574 (create_expression_by_pieces): Likewise.
1575 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1577 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1579 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1580 is operand of switch, not str[0].
1582 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1584 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1585 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1587 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1589 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1590 end of insn_extra_address_constraint declaration.
1592 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1594 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1595 (no-sum-in-toc): Same.
1596 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1598 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1599 NO_FP_IN_TOC for -fPIC instead of mask.
1601 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1602 (BOOT_LDFLAGS): Delete.
1604 * config/rs6000/t-aix52: Same.
1606 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1607 (stmsi[345678]_power): New.
1609 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1611 * config/ia64/ia64.opt: Add empty line to end of file.
1613 2006-03-17 Richard Guenther <rguenther@suse.de>
1616 * builtins.c (get_pointer_alignment): For component style references
1617 adjust alignment to the component type alignment. Make sure
1618 to adjust alignment for component access of constants.
1620 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1622 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1625 2006-03-17 Paul Brook <paul@codesourcery.com>
1627 * doc/install.texi: Docuemnt --with-mode.
1628 * config.gcc: Add --with-mode for arm*-*-*.
1629 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1631 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1633 * sh.c (max_labelno_before_reorg): New variable.
1634 (sh_reorg): Initialize it.
1635 (find_barrier): Check max_labelno_before_reorg before using
1636 label_to_alignment. Take length of explicit alignment insns
1637 into account. When seeing a UNSPECV_CONST_END, return it.
1639 * sh.c (fixup_mova): Set mode of affected label to QImode.
1640 (untangle_mova): New function.
1641 (find_barrier): Use it. Check mode of label before decrementing
1643 (sh_reorg): Likewise.
1644 Set mode of all insns back to VOIDmode.
1646 * sh.c (MOVA_LABELREF): New macro.
1647 (mova_p, fixup_mova, sh_reorg): Use it.
1648 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1649 ADDR_DIFF_VEC matches mova.
1651 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1653 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1654 with ATTRIBUTE_UNUSED.
1656 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1658 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1659 pointer, instead of assuming it is possible to derive the
1660 correct args size from a call insn.
1662 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1664 * rtl.h (CONST_INT_P): Define.
1665 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1666 instead of GET_CODE(x) == CONST_INT.
1667 (vax_rtx_costs): Likewise.
1668 (vax_output_int_move): Likewise.
1669 (vax_output_int_add): Likewise.
1670 (legitimate_constant_address_p): Likewise.
1671 (index_term_p): Likewise.
1672 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1673 * config/vax/vax.md (and<mode>3): Likewise.
1674 (ashrsi3): Likewise.
1676 (movstricthi): Likewise.
1677 (movstrictqi): Likewise.
1678 (rotrsi3): Likewise.
1679 (five unnamed insns): Likewise.
1681 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1683 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1684 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1685 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1686 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1687 Pass to ASM_OUTPUT_DWARF_OFFSET.
1688 * dwarf2out.c (debug_frame_section): New.
1689 (output_call_frame_info): Use debug_frame_section. Pass it to
1690 dw2_asm_output_offset.
1691 (output_die): Pass appropriate section to dw2_asm_output_offset.
1692 (output_compilation_unit_header): Likewise.
1693 (output_pubnames): Likewise.
1694 (output_aranges): Likewise.
1695 (enum dw_val_class): Break dw_val_class_lbl_offset into
1696 dw_val_class_lineptr and dw_val_class_macptr.
1697 (add_AT_lbl_offset): Delete.
1698 (add_AT_lineptr): New.
1699 (add_AT_macptr): New.
1700 (AT_lbl): Expect a lineptr or macptr.
1701 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1702 (attr_checksum): Likewise.
1703 (same_dw_val_p): Likewise.
1704 (size_of_die): Likewise.
1705 (value_format): Likewise.
1706 (output_die): Likewise.
1707 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1709 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1710 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1711 * config/darwin-protos.h (darwin_file_start): New.
1712 (darwin_asm_output_dwarf_offset): New.
1713 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1714 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1716 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1717 if not EH section; simplify.
1718 (darwin_file_start): New.
1719 (darwin_asm_output_dwarf_offset): New.
1720 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1722 (DEBUG_INFO_SECTION): Likewise.
1723 (DEBUG_ABBREV_SECTION): Likewise.
1724 (DEBUG_ARANGES_SECTION): Likewise.
1725 (DEBUG_MACINFO_SECTION): Likewise.
1726 (DEBUG_LINE_SECTION): Likewise.
1727 (DEBUG_LOC_SECTION): Likewise.
1728 (DEBUG_PUBNAMES_SECTION): Likewise.
1729 (DEBUG_STR_SECTION): Likewise.
1730 (DEBUG_RANGES_SECTION): Likewise.
1731 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1732 (ASM_OUTPUT_DWARF_OFFSET): New.
1734 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1736 * config.gcc (tm_defines): Always add to previous value rather
1739 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1741 * config/mips/predicates.md (splittable_const_int_operand): New,
1742 split from move_operand.
1743 (splittable_symbolic_operand): New.
1744 (move_operand): Add commentary. Use splittable_const_int_operand.
1745 Inline mips_atomic_symbolic_constant_p.
1746 * config/mips/mips.md: Add combine splitters for handling moves
1747 of splittable_const_int_operands and splittable_symbolic_operands.
1748 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1749 (mips_split_symbol): Declare.
1750 (mips_move_integer): Declare.
1751 * config/mips/mips.c (mips_split_p): Make global.
1752 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1753 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1754 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1755 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1756 (mips_offset_within_object_p): Handle block symbols.
1757 (mips_atomic_symbolic_constant_p): Delete.
1758 (mips_cannot_force_const_mem): Return false for constants that
1759 mips_legitimize_move can handle.
1760 (mips_use_blocks_for_constant_p): New function.
1761 (mips_split_symbol): Make global.
1762 (mips_move_integer): Likewise. Add a temporary register argument.
1763 (mips_legitimize_const_move): Use splittable_const_int_operand and
1764 splittable_symbolic_operand.
1765 (mips_use_anchors_for_symbol_p): New function.
1766 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1767 (mips_split_p): Declare.
1769 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1771 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1772 (mips*-*-linux*): Likewise.
1774 2006-03-16 Roger Sayle <roger@eyesopen.com>
1775 Daniel Speyer <dspeyer@wam.umd.edu>
1778 * tree-dump.c (dump_real): New function.
1779 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1780 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1781 (tree-dump.o): Add $(REAL_H) to the dependencies.
1783 2006-03-16 Roger Sayle <roger@eyesopen.com>
1786 * real.c (real_from_string): If the mantissa is zero, don't bother
1787 parsing the exponent as the result should always be zero.
1789 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1791 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1793 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1795 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1796 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1797 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1798 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1799 ia64_sched_finish_global): New static functions to implement
1800 hooks from gcc_target.sched.
1801 (spec_check_no, max_uid, pending_data_specs): New static variables.
1802 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1803 ia64_spec_check_src_p): New static functions.
1804 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1805 (TARGET_SCHED_ADJUST_COST): Removed.
1806 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1807 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1808 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1809 TARGET_SCHED_GEN_CHECK,
1810 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1811 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1812 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1813 Fixed to handle speculation checks.
1814 (rtx_needs_barrier): Fixed to handle speculative loads and
1816 (ia64_variable_issue): Added code to count speculative loads and their
1818 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1820 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1822 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1824 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1825 (ia64_reorg): Reset stops_p to NULL after it is freed.
1826 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1827 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1828 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1830 (data_speculative, control_speculative, check_load): New attributes.
1831 (mov<mode>_advanced, mov<mode>_speculative,
1832 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1833 zero_extend<mode>di2_speculative,
1834 zero_extend<mode>di2_speculative_advanced): New patterns for
1835 data and control speculative loads.
1836 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1838 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1839 New pattern for data and control speculation checks.
1840 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1841 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1842 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1843 Auxiliary definitions for the patterns.
1844 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1845 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1847 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1849 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1850 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1851 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1852 New resource constraints.
1853 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1855 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1856 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1857 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1858 msched-in-control-spec, msched-ldc, msched-control-ldc,
1859 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1860 msched-prefer-non-control-spec-insns,
1861 msched-count-spec-in-critical-path): New flags to tune speculative
1863 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1864 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1865 msched-in-control-spec, msched-ldc, msched-control-ldc,
1866 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1867 msched-prefer-non-control-spec-insns,
1868 msched-count-spec-in-critical-path): Document new flags.
1870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1872 * target.h (struct spec_info_def): New opaque declaration.
1873 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1874 speculate_insn, needs_block_p, gen_check,
1875 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1876 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1877 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1878 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1879 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1880 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1882 (TARGET_SCHED): Use new macros.
1883 * rtl.h (copy_DEPS_LIST_list): New prototype.
1884 * sched-int.h (struct sched_info): Change signature of new_ready field,
1885 adjust all initializations. New fields: add_remove_insn,
1886 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1887 region_head_or_leaf_p.
1888 (struct spec_info_def): New structure declaration.
1889 (spec_info_t): New typedef.
1890 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1891 recovery_block, orig_pat.
1892 (glat_start, glat_end): New variables declaraions.
1893 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1895 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1896 DETACH_LIFE_INFO, USE_GLAT.
1897 (enum SPEC_SCHED_FLAGS): New enumeration.
1898 (NOTE_NOTE_BB_P): New macro.
1899 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1900 attach_life_info, debug_spec_status, check_reg_live): New functions.
1901 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1902 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1904 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1905 * ddg.c (get_block_head_tail): Adjust all uses.
1906 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1907 (sms_sched_info): Initialize new fields.
1908 (contributes_to_priority): Removed.
1909 * haifa-sched.c (params.h): New include.
1910 (get_block_head_tail): Adjust all uses.
1911 (ISSUE_POINTS): New macro.
1912 (glat_start, glat_end): New global variables.
1913 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1914 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1915 old_last_basic_block, before_recovery, current_sched_info_var,
1916 rgn_n_insns, luid): New static variables.
1917 (insn_cost1): New function. Move logic from insn_cost to here.
1918 (find_insn_reg_weight1): New function. Move logic from
1919 find_insn_reg_weight to here.
1920 (reemit_notes, move_insn, max_issue): Change signature.
1921 (move_insn1): Removed.
1922 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1923 extend_bb): New static functions to support extension of scheduler's
1925 (generate_recovery_code, process_insn_depend_be_in_spec,
1926 begin_speculative_block, add_to_speculative_block,
1927 init_before_recovery, create_recovery_block, create_check_block_twin,
1928 fix_recovery_deps): New static functions to support
1929 generation of recovery code.
1930 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1931 restore_bb_notes, move_block_after_check, move_succs): New static
1932 functions to support ebb scheduling.
1933 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1934 functions to support handling of register live information.
1935 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1936 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1937 add_jump_dependencies): New static functions.
1938 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1939 consistancy checking.
1940 (debug_spec_status): New function to call from debugger.
1941 (priority): Added code to handle speculation checks.
1942 (rank_for_schedule): Added code to distinguish speculative instructions.
1943 (schedule_insn): Added code to handle speculation checks.
1944 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1945 Fixed to handle ebbs.
1946 (move_insn): Added code to handle ebb scheduling.
1947 (max_issue): Added code to use ISSUE_POINTS of instructions.
1948 (choose_ready): Added code to choose between speculative and
1949 non-speculative instructions.
1950 (schedule_block): Added code to handle ebb scheduling and scheduling of
1951 speculative instructions.
1952 (sched_init): Initialize new variables.
1953 (sched_finish): Free new variables. Print statistics.
1954 (try_ready): Added code to handle speculative instructions.
1955 * lists.c (copy_DEPS_LIST_list): New function.
1956 * sched-deps.c (extend_dependency_caches): New function. Move logic
1957 from create_dependency_caches to here.
1958 (get_dep_weak, ds_merge): Make global.
1959 * genattr.c (main): Code to output prototype for
1960 dfa_clear_single_insn_cache.
1961 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1962 (output_dfa_clean_insn_cache_func): Code to output
1963 dfa_clear_single_insn_cache function.
1964 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1966 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1968 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1969 New static variables.
1970 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1971 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1973 (ebb_sched_info): Initialize new fields.
1974 (get_block_head_tail): Adjust all uses.
1975 (compute_jump_reg_dependencies): Fixed to use glat_start.
1976 (schedule_ebb): Code to remove unreachable last block.
1977 (schedule_ebbs): Added code to update register live information.
1978 * sched-rgn.c (region_sched_info): Initialize new fields.
1979 (get_block_head_tail): Adjust all uses.
1980 (last_was_jump): Removed. Adjust users.
1981 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1982 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1983 Implement new hooks.
1984 (check_dead_notes1): New static function.
1985 (struct region): New fields: dont_calc_deps, has_real_ebb.
1986 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1987 (BB_TO_BLOCK): Fixed to handle EBBs.
1988 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1989 (ebb_head): New static variable.
1990 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1991 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1993 (compute_dom_prob_ps): New assertion.
1994 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1995 global_live_at_start.
1996 (init_ready_list): New assertions.
1997 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1998 (new_ready): Add support for BEGIN_CONTROL speculation.
1999 (schedule_insns): Fixed code that updates register live information
2001 (schedule_region): Fixed to handle EBBs.
2002 (init_regions): Use extend_regions and check_dead_notes1.
2003 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2004 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2005 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2006 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2007 TARGET_SCHED_GEN_CHECK,
2008 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2009 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2010 * doc/invoke.texi (max-sched-insn-conflict-delay,
2011 sched-spec-prob-cutoff): Document.
2013 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2015 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2016 inter_tick, queue_index.
2017 (struct sched_info): Change signature of init_ready_list field.
2018 Adjust all initializations.
2019 (RESOLVED_DEPS): New access macro.
2020 (ready_add): Remove prototype.
2021 (try_ready): Add prototype.
2022 * sched-rgn.c (init_ready_list): Use try_ready.
2023 (schedule_region): Initialize
2024 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2025 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2026 (init_ready_list): Use try_ready.
2027 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2028 * lists.c (remove_list_elem): Remove `static'.
2029 (remove_free_INSN_LIST_elem): New function.
2030 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2031 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2032 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2034 (readyp): New variable.
2035 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2036 change_queue_index, resolve_dep): New static functions.
2037 (try_ready): New function. Adjust callers in sched-rgn.c and
2038 sched-ebb.c to use it instead of ready_add.
2039 (clock_var): Move at the begining of file.
2040 (rank_for_schedule): Fix typo.
2041 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2042 (ready_lastpos): Enforce assertion.
2043 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2045 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2046 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2047 (queue_to_ready): Use free_INSN_LIST_list.
2048 (early_queue_to_ready): Fix typo.
2049 (schedule_block): Init readyp. Move init_ready_list call after the
2050 initialization of clock_var. Fix error in rejecting insn by
2051 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2052 that previously corrected INSN_TICKs. Add code for handling
2054 (set_priorities): Fix typo.
2055 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2056 Clarify comment and code that keeps current_sched_info->next_tail
2059 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2061 * sched-rgn.c (extend_rgns): New static function.
2062 (find_rgns): Use it.
2063 (gather_region_statistics, print_region_statistics): New static
2065 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2066 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2068 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2069 Andrey Belevantsev <abel@ispras.ru>
2071 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2072 * lists.c (unused_deps_list): New variable.
2073 (free_list): Add assertions to verify the proper distinguishing
2074 between INSN_LISTs and DEPS_LISTs.
2075 (find_list_elem, remove_list_elem, remove_list_node): New static
2077 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2078 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2079 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2080 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2082 (free_INSN_LIST_node): Likewise.
2083 * modulo-sched.c (current_sched_info): Initialize flags field.
2084 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2085 * rtl.def (DEPS_LIST): Define.
2086 * rtl.h: Declare new functions from lists.c.
2087 * sched-deps.c (spec_dependency_cache): New static variable.
2088 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2089 (add_dependence): Change return type to void. Move the logic to ...
2090 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2091 (delete_all_dependences): Add comment about forward_dependency_cache.
2092 Handle spec_dependency_cache. Handle DEPS_LISTs.
2093 (fixup_sched_groups): Clarify the change of priority of output
2094 and anti dependencies.
2095 (sched_analyze_2): Adjust add_dependence calls to create data
2096 speculative dependence.
2097 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2098 Adjust all callers. Handle DEPS_LISTS.
2099 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2100 presence of speculation.
2101 (init_dependency_caches, free_dependency_caches):
2102 Handle spec_dependency_cache.
2103 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2104 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2105 New static functions.
2106 (add_or_update_back_dep, add_or_update_back_forw_dep,
2107 add_back_forw_dep, delete_back_forw_dep): New functions.
2108 * sched-int.h (ds_t, dw_t): New typedefs.
2109 (struct sched_info): Add new field flags.
2110 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2111 Prototype new sched-deps.c functions.
2112 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2113 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2114 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2115 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2116 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2117 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2119 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2121 * sched-rgn.c (current_sched_info): Initialize flags field.
2122 (schedule_insns): Initialize current_sched_info before the sched_init
2124 * sched-ebb.c (current_sched_info): Initialize flags field.
2125 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2126 Call add_or_update_back_dep instead of add_dependence.
2127 Create control speculative dependencies.
2128 (schedule_insns): Initialize current_sched_info before the sched_init
2131 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2133 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2135 (sh_fallback_frame_state): Likewise.
2137 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2139 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2140 Do switch on default_use_cxa_atexit.
2141 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2142 * config/darwin-crt3.o: New.
2143 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2144 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2145 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2147 * config/rs6000/t-darwin: Move crt2.o building to here.
2148 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2149 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2152 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2154 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2155 from '! xxx' to '!xxx' for coding-style conformance.
2156 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2157 (EXTRA_CONSTRAINT): Likewise.
2158 * config/vax/vax.md (four unnamed insns): Likewise.
2160 2006-03-15 Paul Brook <paul@codesourcery.com>
2162 * config/arm/arm.c (minipool_pad): New.
2163 (add_minipool_forward_ref): Include pool alignment padding in address
2165 (push_minipool_fix): Set minipool_pad.
2166 (minipool_pad): Ditto.
2168 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2170 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2171 instead of GET_CODE() == MEM and REG_P() instead of
2173 (print_operand_address): Likewise.
2174 (vax_address_cost): Likewise.
2175 (vax_rtx_costs): Likewise.
2176 (vax_notice_update_cc): Likewise.
2177 (vax_output_int_add): Likewise.
2178 (INDEX_REGISTER_P): Likewise.
2179 (BASE_REGISTER_P): Likewise.
2180 (nonindexed_address_p): Likewise.
2181 (vax_mode_dependent_address_p): Likewise.
2182 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2183 (PRINT_OPERAND): Likewise.
2184 * config/vax/vax.md (ashlsi3): Likewise.
2185 (ashlsi3): Likewise.
2186 (some more unnamed insns): Likewise.
2188 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2190 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2191 iterator-style macro.
2192 (mark_control_dependent_edges_necessary): Update the use of
2193 EXECUTE_IF_CONTROL_DEPENDENT.
2195 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2197 * config/sh/predicates.md (cache_address_operand): Special.
2198 (ua_address_operand): Likewise.
2200 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2202 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2204 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2206 2006-03-15 Andreas Schwab <schwab@suse.de>
2208 * gensupport.c (identify_predicable_attribute): Don't free p_false
2209 when it is still in use.
2211 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2213 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2214 the default setting here.
2216 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2218 * tree-pass.h (pass_cfg): Remove.
2219 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2220 * passes.c (pass_cfg): Don't run it.
2222 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2224 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2225 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2227 (stack_regs_mentioned): Update the uses of
2228 stack_regs_mentioned_data. Don't access the array beyond its
2230 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2231 Don't include gt-reg-stack.h.
2233 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2234 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2236 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2239 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2242 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2244 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2246 2006-03-14 Richard Guenther <rguenther@suse.de>
2248 PR tree-optimization/26672
2249 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2252 2006-03-14 Richard Guenther <rguenther@suse.de>
2254 PR tree-optimization/26667
2255 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2256 node for the callees. Always allow inlining if it will shrink
2259 2006-03-14 Richard Guenther <rguenther@suse.de>
2262 * builtins.c (get_pointer_alignment): Prefer alignment
2263 information from decls over that from types.
2265 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2268 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2270 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2272 * config/rs6000/rs6000.opt (mdlmzb): New option.
2273 (msched-prolog, msched-epilog): Use Var not Mask.
2274 * doc/invoke.texi (-mdlmzb): Document.
2275 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2277 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2278 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2280 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2282 PR rtl-optimization/25739
2283 * bt-load.c (augment_live_range): Free tos pointer.
2285 * gensupport.c (identify_predicable_attribute): Free
2287 * gcov.c (create_file_names): Free name pointer.
2289 2006-03-13 Roger Sayle <roger@eyesopen.com>
2292 * stmt.c (emit_case_nodes): Handle the case where the index is a
2293 CONST_INT, where the comparison mode is specified by the index type.
2295 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2297 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2300 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2302 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2303 (*branch_fp_inverted): Likewise.
2305 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2308 * omp-low.c (expand_omp_for_generic): Mark istart0
2309 and iend0 as addressable.
2311 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2313 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2315 2006-03-13 Jeff Law <law@redhat.com>
2317 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2318 virtual operands are interesting.
2319 (vrp_visit_stmt): Corresponding changes.
2321 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2323 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2325 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2326 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2327 * config/bfin/crti.S: Use it instead of __PIC__.
2328 * config/bfin/crtn.S: Likewise.
2330 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2331 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2333 Lose 'G' modifier for call operand.
2334 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2335 recognize 'G' modifier.
2337 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2340 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2341 * stmt.c (expand_case): Likewise.
2343 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2345 PR rtl-optimization/26254
2346 * loop-invariant.c (seq_insns_valid_p): New function.
2347 (move_invariant_reg): Only emit new code if it is valid.
2349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2351 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2353 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2354 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2355 (commit_one_edge_insertion): Do not look for loop notes.
2357 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2359 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2360 flag_test_coverage out of loop.
2362 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2364 * final.c (shorten_branches): Remove outdated comment, and turn
2365 the if branch that guards it to continue.
2367 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2369 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2370 * cfgloop.h (struct loop): Remove unused fields.
2372 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2374 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2375 (-dL, -fdump-rtl-loop2): Update the dump file names
2377 * doc/invoke.texi: Update dump file names.
2379 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2381 * predict.c (estimate_probability): Remove.
2382 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2383 * basic-block.h (estimate_probability): Remove prototype.
2384 * passes.c (finish_optimization_passes): Dump branch prediction or
2385 profiling heuristics to the .profile tree dump.
2386 (init_optimization_passes): Unqueue pass_branch_prob.
2388 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2390 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2392 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2393 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2395 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2397 * function.h (frame_offset_overflow): Declare.
2398 * function.c (frame_offset_overflow): New function.
2399 (assign_stack_local_1): Call it to detect that the offset overflows.
2400 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2402 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2404 * config/sh/sh.c: Include alloc-pool.h.
2405 (label_ref_list_pool): New alloc pool.
2406 (label_ref_list_t): New type for lists of labels.
2407 (struct pool_node): Make wend a label_ref_list_t.
2408 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2410 (dump_table): Likewise.
2411 (sh_reorg): Set up the alloc pool before using add_constant and
2412 dump_table, and destroy it when finishing.
2414 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2416 * config/mips/mips.c: Remove redundant comment.
2418 2006-03-10 Jason Merrill <jason@redhat.com>
2421 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2422 the target was declared 'register'.
2424 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2426 * genpreds.c (write_insn_constraint_len): Change definition of
2427 insn_constraint_len to return size_t to match the declaration.
2429 2006-03-10 DJ Delorie <dj@redhat.com>
2431 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2433 (m32c_expand_insv): Fix test for an AND mask.
2435 2006-03-10 Richard Guenther <rguenther@suse.de>
2438 * builtins.c (get_pointer_alignment): Handle component
2439 references for field alignment.
2441 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2443 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2444 when building with libgloss.
2445 (sh*elf): Implement --without-fp option.
2446 (sh64-superh-linux*): Don't multilib.
2448 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2450 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2452 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2454 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2455 Set it when one of the replacement functions returned true.
2456 Return TODO_cleanup_cfg if cfgchanged is true.
2457 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2459 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2461 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2462 instead of gen_lowpart.
2464 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2466 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2468 (mips_output_order_conditional_branch): Declare.
2469 * config/mips/mips.h (MIPS_BRANCH): New macro.
2470 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2471 for the comparison. Use gen_condjump.
2472 (mips_output_conditional_branch): Rework interface to take the
2473 asm templates for a direct branch and the inverse of a direct branch.
2474 (mips_output_order_conditional_branch): New function.
2475 (mips_builtin_branch_and_move): New function.
2476 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2477 branch condition. Use gen_single_cc as the condition for
2478 __builtin_mips_upper_* or __builtin_mips_lower_*.
2479 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2480 Use VOIDmode for the branch condition.
2481 * config/mips/predicates.md (order_operator): New predicate.
2482 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2483 (branch_fp): Rename to...
2484 (*branch_fp): ...this. Remove mode from comparison operator.
2485 Use new mips_output_conditional_branch interface.
2486 (branch_fp_inverted): Rename to...
2487 (*branch_fp_inverted): ...this and update as for *branch_fp.
2488 (*branch_zero<mode>): Rename to...
2489 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2490 Use mips_output_order_conditional_branch. Only accept ordered
2492 (*branch_zero<mode>_inverted): Rename to...
2493 (*branch_order<mode>_inverted): ...this and update as for
2494 *branch_order<mode>.
2495 (*branch_equality<mode>): Accept zero as the second operand to
2496 the equality operator. Use the new mips_output_conditional_branch
2498 (*branch_equality<mode>_inverted): Likewise.
2499 (condjump): New expander.
2500 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2502 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2503 (bc1any2t, bc1any2f): Likewise.
2504 (single_cc): New expander.
2505 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2507 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2509 * doc/md.texi: Update documentation of MIPS constraints.
2510 * config/mips/constraints.md: New file.
2511 * config/mips/mips.md: Include it.
2512 * config/mips/mips.c (mips_char_to_class): Delete.
2513 (override_options): Don't initialize mips_char_to_class.
2514 * config/mips/mips.h (mips_char_to_class): Delete.
2515 (REG_CLASS_FROM_LETTER): Delete.
2516 (CONST_OK_FOR_LETTER_P): Delete.
2517 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2518 (EXTRA_CONSTRAINT_Y): Delete.
2519 (EXTRA_CONSTRAINT_STR): Delete.
2520 (CONSTRAINT_LEN): Delete.
2521 (EXTRA_MEMORY_CONSTRAINT): Delete.
2523 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2525 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2526 original fn's eh regions.
2528 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2530 * fold-const.c (build_range_check): Make sure to use a valid type to
2531 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2534 (range_predecessor): New static function.
2535 (range_successor): Likewise.
2536 (merge_ranges): Use them to compute predecessors and successors of
2539 2006-03-09 Roger Sayle <roger@eyesopen.com>
2542 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2543 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2545 2006-03-08 DJ Delorie <dj@redhat.com>
2547 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2548 (addpsi3): Expand to include memory operands. Remove
2549 reload-specific splits.
2550 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2551 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2552 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2553 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2554 (shift1_qi, shift1_hi, insv): New.
2555 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2556 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2557 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2559 * config/m32c/m32c-protos.h: Update as needed.
2560 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2561 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2562 Fail for unrecognized R* constraints.
2563 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2564 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2565 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2567 (m32c_init_libfuncs): New.
2568 (m32c_legitimate_address_p): Add debug wrapper.
2569 (m32c_rtx_costs): New.
2570 (m32c_address_cost): New.
2571 (conversions): Add 'B' prefix.
2572 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2573 operands, or word regnames for QI operands. 'B' prints bit
2575 (m32c_expand_setmemhi): New.
2576 (m32c_expand_movmemhi): New.
2577 (m32c_expand_movstr): New.
2578 (m32c_expand_cmpstr): New.
2579 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2580 (m32c_expand_neg_mulpsi3): Handle non-ints.
2581 (m32c_cmp_flg_0): New.
2582 (m32c_expand_movcc): New.
2583 (m32c_expand_insv): New.
2584 (m32c_scc_pattern): New.
2585 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2586 a0/a1 out of SIregs.
2587 (STORE_FLAG_VALUE): New.
2588 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2591 * config/m32c/mov.md: Make constraints more liberal.
2592 (zero_extendqihi2): Optimize r0/r1 case.
2593 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2594 * config/m32c/predicates.md (m32c_any_operand): New.
2595 (m32c_nonimmediate_operand): New.
2596 (m32c_hl_operand): New.
2597 (m32c_r3_operand): New.
2600 (memsym_operand): New.
2601 (memimmed_operand): New.
2602 (a_qi_operand): New.
2603 (m32c_eqne_operator): New.
2604 (m32c_1bit8_operand): New.
2605 (m32c_1bit16_operand): New.
2606 (m32c_1mask8_operand): New.
2607 (m32c_1mask16_operand): New.
2608 * config/m32c/blkmov.md: New file.
2609 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2611 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2613 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2614 unsigned to fix signed/unsigned comparison issue in
2615 DWARF2_FRAME_REG_OUT.
2616 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2617 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2619 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2620 of ptr into the ENABLE_CHECKING section.
2622 2006-03-08 Jeff Law <law@redhat.com>
2624 * tree-vrp.c (infer_value_range): Only count pointer uses
2625 and dereferences if -fdelete-null-pointer-checks is enabled.
2627 * tree-vrp.c (find_assert_locations): Infer value ranges for
2628 single use pointers, but do not create ASSERT_EXPRs for them.
2629 When a non-null range is inferred for a pointer, backwards
2630 propagate that range to other equivalent pointers through the
2633 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2636 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2637 language hook targets.
2638 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2639 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2640 if language hook targets were missing.
2642 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2644 * tree-ssa-opfinalize.h: Removed.
2645 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2647 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2648 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2649 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2650 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2651 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2652 finalize_ssa_v_must_def_ops): New.
2654 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2656 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2659 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2661 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2663 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2664 addresses with offsets; reorganize.
2666 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2667 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2668 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2670 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2673 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2675 2006-03-08 Ben Elliston <bje@au.ibm.com>
2677 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2679 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2682 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2685 2006-03-07 Richard Guenther <rguenther@suse.de>
2687 PR tree-optimization/26587
2688 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2690 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2692 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2694 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2696 * hooks.c (hook_bool_mode_rtx_true): New function.
2697 * hooks.h (hook_bool_mode_rtx_true): Declare.
2698 * toplev.c (compile_file): Call output_shared_constant_pool.
2699 * varasm.c (shared_constant_pool): New variable.
2700 (assemble_start_function, assemble_end_function): Remove arguments
2701 from call to output_constant_pool.
2702 (create_constant_pool): New function, split out from...
2703 (init_varasm_status): ...here.
2704 (force_const_mem): Choose between the shared and per-function constant
2705 pools. Set current_function_uses_const_pool when reusing old entries
2706 as well as when creating new ones.
2707 (mark_constant): Ignore data argument.
2708 (mark_constants): Remove pool argument.
2709 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2710 to decide whether the function uses a constant pool.
2711 (output_constant_pool_contents): New function, split out from...
2712 (output_constant_pool): ...here.
2713 (output_shared_constant_pool): New function.
2714 (init_varasm_once): Initialize shared_constant_pool.
2715 * output.h (output_constant_pool): Delete.
2716 (output_shared_constant_pool): Declare.
2717 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2718 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2720 2006-03-06 Nick Clifton <nickc@redhat.com>
2722 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2723 flag_strength_reduce.
2725 2006-03-06 Ben Elliston <bje@au.ibm.com>
2727 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2728 x86_64-*-linux* configurations.
2730 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2731 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2733 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2735 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2737 * basic-block.h: Remove the extern for
2738 rediscover_loops_after_threading.
2740 * cfgloop.c (cancel_loop): Make it static.
2741 * cfgloop.h: Remove the prototype for cancel_loop.
2743 * flow.c (recompute_reg_usage): Make it static.
2744 * rtl.h: Remove the prototype for recompute_reg_usage.
2746 * function.c (use_return_register): Make it static.
2747 * function.h: Remove the prototype.
2749 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2751 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2753 * recog.h: Remove the prototype for
2754 validate_change_maybe_volatile.
2756 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2758 * rtlanal.c (replace_reg): Remove.
2759 * rtl.h: Remove the prototype for replace_reg.
2761 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2763 * regclass.c (reg_scan_update): Remove.
2764 (reg_scan_mark_refs): Remove the last argument.
2765 * rtl.h: Remove the prototype for reg_scan_update.
2767 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2769 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2770 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2771 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2772 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2773 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2774 loop-invariant.c, omp-low.c, opts.c, passes.c,
2775 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2776 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2777 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2778 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2779 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2780 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2782 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2784 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2785 * dwarf2out.h: Remove the prototype for
2786 dwarf2out_add_library_unit_info.
2788 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2790 * tree.c (add_var_to_bind_expr): Remove.
2791 * tree.h: Remove the prototype for add_var_to_bind_expr.
2793 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2795 * regclass.c (n_non_fixed_regs): Remove.
2796 (init_reg_sets_1, globalize_reg): Remove all uses of
2798 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2800 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2802 * rtlanal.c (insns_safe_to_move_p): Remove.
2803 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2805 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2807 * expmed.c (expand_mult_add): Remove.
2808 * expr.h: Remove the prototype for expand_mult_add.
2810 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2812 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2813 and REG_SAVED_VAL_EXP constants.
2814 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2815 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2816 Handle regs stored by value.
2817 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2818 (execute_cfa_program): Handle DW_CFA_val_offset,
2819 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2820 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2821 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2822 (uw_install_context_1): Handle target regs stored by value.
2824 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2826 * tree-sra.c (tree_sra): Return todoflags;
2827 (generate_one_element): Set TODO_update_smt_usage if needed.
2828 (pass_sra): Remove TODO_update_smt_usage.
2829 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2831 (tree_ssa_forward_propagate_single_use_vars): Return
2832 TODO_update_smt_usage if we need to update SMT usage.
2833 (pass_forwprop): Remove TODO_update_smt_usage.
2835 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2837 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2838 (correct_use_link): Remove reference to get_stmt_operands.
2839 (update_stmt_operands): Likewise.
2840 (get_modify_expr_operands): New function factored out of
2841 parse_ssa_operands and get_expr_operands.
2842 Try to create V_MUST_DEFs for LHS by default.
2843 (get_expr_operands) <case MODIFY_EXPR>: Call
2844 get_modify_expr_operands.
2845 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2846 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2847 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2848 get_modify_expr_operands.
2850 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2852 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2853 * tree-flow.h: Remove the prototype for
2854 referenced_var_lookup_if_exists.
2856 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2858 PR rtl-optimization/26345
2860 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2862 2006-03-03 Roger Sayle <roger@eyesopen.com>
2864 PR tree-optimization/26524
2865 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2866 fold_convert to create a constant of the appropriate type.
2868 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2870 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2871 SYMBOL_REF_IN_BLOCK_P.
2872 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2873 of SYMBOL_FLAG_IN_BLOCK.
2874 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2875 instead of SYMBOL_REF_IN_BLOCK_P.
2876 * explow.c (use_anchored_address): Likewise.
2877 * rtl.c (rtx_size): Likewise.
2878 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2879 instead of SYMBOL_FLAG_IN_BLOCK.
2880 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2881 SYMBOL_REF_IN_BLOCK_P.
2882 (assemble_variable): Likewise.
2883 (output_constant_def_contents): Likewise.
2884 (output_constant_pool): Likewise.
2885 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2886 instead of SYMBOL_FLAG_IN_BLOCK.
2887 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2888 SYMBOL_REF_IN_BLOCK_P.
2889 (SYMBOL_REF_BLOCK): Likewise.
2890 (SYMBOL_REF_OFFSET): Likewise.
2891 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2892 SYMBOL_REF_IN_BLOCK_P.
2893 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2894 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2895 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2896 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2898 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2900 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2902 2006-03-02 Roger Sayle <roger@eyesopen.com>
2904 * simplify-rtx.c (simplify_unary_operation): When simplifying
2905 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2906 that we perform the right shift in the appropriate mode, and
2907 then extend or truncate the result to requested mode.
2909 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2911 * gengtype.c (main): Handle double_int type.
2912 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2913 * double-int.c: New file.
2914 * double-int.h: New file.
2915 * system.h: Include doubleint.h.
2916 * Makefile.in (SYSTEM_H): Include double-int.h.
2917 (double-int.o): Add.
2919 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2922 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2925 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2927 * tree-vrp.c (remove_range_assertions): Do not update statements
2930 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2932 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2934 * gcse.c (rest_of_handle_gcse): Ditto.
2935 * except.c (gate_handle_eh): Ditto.
2936 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2937 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2939 2006-03-02 Eric Christopher <echristo@apple.com>
2941 * config/i386/i386.c (machopic_output_stub): Add indirection to
2944 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2948 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2950 Sun Niagara specific optimizations.
2951 * config.gcc: Recognize niagara as target.
2952 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2953 (TARGET_CPU_niagara): Define.
2954 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2955 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2956 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2957 (ASM_CPU_SPEC): Likewise.
2958 (PROCESSOR_NIAGARA): New enum entry.
2959 (REGISTER_MOVE_COST): Handle Niagara.
2960 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2961 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2962 (sparc_override_options): Recognize "niagara", set appropriate
2963 default MASK_* values for it, and align functions to 32-bytes
2964 by default just like ULTRASPARC/ULTRASPARC3.
2965 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2966 (sparc64_initialize_trampoline): Likewise.
2967 (sparc_use_sched_lookahead): Use zero for niagara.
2968 (sparc_issue_rate): Use one for niagara.
2969 * config/sparc/niagara.md: New file.
2970 * config/sparc/sparc.md: Include it.
2971 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2972 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2973 when default cpu is niagara.
2974 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2975 (ASM_CPU_SPEC): Likewise.
2976 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2977 when default cpu is niagara.
2978 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2979 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2980 just like v9/ultrasparc/ultrasparc3.
2981 * doc/invoke.texi: Add documentation for "niagara" and improve
2982 existing documentation for ultrasparc variants.
2984 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2986 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2988 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2990 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2991 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2992 and say that only one is needed.
2993 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2994 * target.h (have_switchable_bss_sections): New hook.
2995 * explow.c (use_anchored_address): Check that the symbol is in a block.
2996 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2997 (bss_noswitch_section): New variables.
2998 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2999 (get_noswitch_section): New function.
3000 (get_block_for_section): Allow SECT to be null.
3001 (unlikely_text_section_p): Use SECTION_STYLE.
3002 (bss_initializer_p): New function.
3003 (get_variable_section): Move earlier in file. Take a new argument,
3004 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3005 Return one of the new *_sections in such cases.
3006 (get_block_for_decl): New function, extracting some logic from
3007 use_blocks_for_decl_p.
3008 (change_symbol_section): Remove in favor of...
3009 (change_symbol_block): ...this new function.
3010 (use_blocks_for_decl_p): Remove checks now performed by
3012 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3013 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3014 (emit_local, emit_bss, emit_common): ...these new functions.
3015 Return true if the alignment was honored.
3016 (emit_tls_common): New function.
3017 (asm_emit_uninitialised): Delete.
3018 (assemble_variable_noswitch): New function, split out from...
3019 (assemble_variable): ...here. Don't make decisions about common
3020 variables here. Globalize all public decls that go into non-common
3021 sections. Check whether SYMBOL_REF_BLOCK is null.
3022 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3023 (output_constant_pool): Likewise.
3024 (init_varasm_once): Initialize the new section variables.
3025 (have_global_bss_p): New function.
3026 (categorize_decl_for_section): Use bss_initializer_p.
3027 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3028 (place_block_symbol): Assert that the symbol must be in a block.
3029 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3030 (TARGET_INITIALIZER): Include it.
3031 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3032 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3033 (SECTION_MACH_DEP): Bump by two.
3034 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3035 (unnamed_section): Mention SECTION_UNNAMED in comment.
3036 (named_section): Likewise SECTION_NAMED.
3037 (noswitch_section_callback): New type.
3038 (noswitch_section): New structure.
3039 (section): Add a noswitch_section alternative.
3040 (SECTION_STYLE): New macro.
3041 (tls_comm_section, comm_section, lcomm_section): Declare.
3042 (bss_noswitch_section, have_global_bss_p): Declare.
3043 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3044 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3046 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3047 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3050 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3052 * gcc/tree-vrp.c (execute_vrp): Return value.
3053 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3054 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3055 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3056 (tree_lower_complex_O0): Ditto.
3057 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3058 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3059 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3060 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3061 (execute_tail_calls): Ditto.
3062 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3063 * gcc/tree.h (init_function_for_compilation): Ditto.
3064 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3065 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3066 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3067 * gcc/final.c (compute_alignments): Ditto.
3068 (rest_of_handle_final): Ditto.
3069 (rest_of_handle_shorten_branches): Ditto.
3070 (rest_of_clean_state): Ditto.
3071 * gcc/omp-low.c (execute_expand_omp): Ditto.
3072 (execute_lower_omp): Ditto.
3073 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3074 * gcc/ipa-reference.c (static_execute): Ditto.
3075 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3076 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3077 (rest_of_handle_machine_reorg): Ditto.
3078 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3079 * gcc/flow.c (recompute_reg_usage): Ditto.
3080 (rest_of_handle_remove_death_notes): Ditto.
3081 (rest_of_handle_life): Ditto.
3082 (rest_of_handle_flow2): Ditto.
3083 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3084 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3085 (do_ssa_store_ccp): Ditto.
3086 (execute_fold_all_builtins): Ditto.
3087 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3088 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3089 * gcc/ipa-pure-const.c (static_execute): Ditto.
3090 * gcc/cse.c (rest_of_handle_cse): Ditto.
3091 (rest_of_handle_cse2): Ditto.
3092 * gcc/web.c (rest_of_handle_web): Ditto.
3093 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3094 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3095 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3096 * gcc/tree-nrv.c (tree_nrv): Ditto.
3097 (execute_return_slot_opt): Ditto.
3098 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3099 (create_structure_vars): Ditto.
3100 * gcc/loop-init.c (rtl_loop_init): Ditto.
3101 (rtl_loop_done): Ditto.
3102 (rtl_move_loop_invariants): Ditto.
3103 (rtl_unswitch): Ditto.
3104 (rtl_unroll_and_peel_loops): Ditto.
3105 (rtl_doloop): Ditto.
3106 * gcc/gimple-low.c (lower_function_body): Ditto.
3107 (mark_used_blocks): Ditto.
3108 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3109 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3110 (cgraph_early_inlining): Ditto.
3111 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3112 * gcc/jump.c (cleanup_barriers): Ditto.
3113 (purge_line_number_notes): Ditto.
3114 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3115 (rest_of_handle_if_after_reload): Ditto.
3116 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3117 (tree_ssa_loop_im): Ditto.
3118 (tree_ssa_loop_unswitch): Ditto.
3119 (tree_vectorize): Ditto.
3120 (tree_linear_transform): Ditto.
3121 (tree_ssa_loop_ivcanon): Ditto.
3122 (tree_ssa_empty_loop): Ditto.
3123 (tree_ssa_loop_bounds): Ditto.
3124 (tree_complete_unroll): Ditto.
3125 (tree_ssa_loop_prefetch): Ditto.
3126 (tree_ssa_loop_ivopts): Ditto.
3127 (tree_ssa_loop_done): Ditto.
3128 * gcc/predict.c (tree_estimate_probability): Ditto.
3129 * gcc/recog.c (split_all_insns_noflow): Ditto.
3130 (rest_of_handle_peephole2): Ditto.
3131 (rest_of_handle_split_all_insns): Ditto.
3132 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3133 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3134 (rest_of_handle_stack_adjustments): Ditto.
3135 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3136 * gcc/function.c (instantiate_virtual_regs): Ditto.
3137 (init_function_for_compilation): Ditto.
3138 (rest_of_handle_check_leaf_regs): Ditto.
3139 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3140 (rest_of_handle_gcse): Ditto.
3141 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3142 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3143 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3144 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3145 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3146 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3147 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3148 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3149 * gcc/except.c (set_nothrow_function_flags): Ditto.
3150 (convert_to_eh_region_ranges): Ditto.
3151 (rest_of_handle_eh): Ditto.
3152 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3153 (remove_unnecessary_notes): Ditto.
3154 * gcc/except.h (set_nothrow_function_flags): Ditto.
3155 (convert_to_eh_region_ranges): Ditto.
3156 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3157 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3158 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3159 (execute_fre): Ditto.
3160 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3161 (rest_of_handle_jump2): Ditto.
3162 * gcc/tree-sra.c (tree_sra): Ditto.
3163 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3164 (execute_mudflap_function_decls): Ditto.
3165 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3166 (do_store_copy_prop): Ditto.
3167 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3168 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3169 * gcc/tree-ssa-forwprop.c
3170 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3171 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3172 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3173 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3174 (execute_late_warn_uninitialized): Ditto.
3175 * gcc/rtl.h (cleanup_barriers): Ditto.
3176 (split_all_insns_noflow): Ditto.
3177 (purge_line_number_notes): Ditto.
3178 (unshare_all_rtl): Ditto.
3179 (remove_unnecessary_notes): Ditto.
3180 (recompute_reg_usage): Ditto.
3181 (variable_tracking_main): Ditto.
3182 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3183 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3184 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3185 (execute_free_cfg_annotations): Ditto.
3186 (execute_fixup_cfg): Ditto.
3187 (execute_cleanup_cfg_pre_ipa): Ditto.
3188 (execute_cleanup_cfg_post_optimizing): Ditto.
3189 (execute_init_datastructures): Ditto.
3190 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3191 * gcc/combine.c (rest_of_handle_combine): Ditto.
3192 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3193 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3194 (rest_of_handle_reorder_blocks): Ditto.
3195 (rest_of_handle_partition_blocks): Ditto.
3196 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3197 * gcc/tree-profile.c (tree_profiling): Ditto.
3198 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3199 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3200 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3201 (rest_of_handle_sched2): Ditto.
3202 * gcc/basic-block.h (free_bb_insn): Ditto.
3203 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3204 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3205 (remove_useless_stmts): Ditto.
3206 (split_critical_edges): Ditto.
3207 (execute_warn_function_return): Ditto.
3208 (execute_warn_function_noreturn): Ditto.
3209 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3210 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3211 * gcc/passes.c (execute_one_pass): Run additional
3212 todos returned by execute function.
3213 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3216 2006-03-02 Richard Guenther <rguenther@suse.de>
3218 * tree-ssa-alias.c (find_used_portions): Consider taking
3219 the address as making the variable not write-only.
3221 2006-03-02 Nick Clifton <nickc@redhat.com>
3223 * config.gcc (default_use_cxa_atexit): Extend the description of
3224 this configure variable. Set its default value to "yes" for
3225 Linux, NetBSD and ELF targets on the assumption that they will
3226 use C libraries with the __cxa_atexit function.
3228 2006-03-02 Ben Elliston <bje@au.ibm.com>
3230 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3231 parameter as unused to suppress a build warning.
3233 2006-03-02 Ben Elliston <bje@au.ibm.com>
3235 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3238 2006-03-01 Roger Sayle <roger@eyesopen.com>
3241 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3242 declared name, the weak reference name, and the typeof name.
3243 (__gthrw): Avoid expanding the declared name suffix.
3244 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3246 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3248 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3250 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3251 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3252 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3253 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3254 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3255 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3256 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3257 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3258 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3259 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3260 (DW_END_default, DW_END_big, DW_END_little): New.
3261 (DW_END_lo_user, DW_END_hi_user): Define.
3262 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3263 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3264 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3267 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3269 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3271 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3273 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3275 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3277 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3278 to 'symbol_mem_tag'.
3280 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3283 2006-03-01 Roger Sayle <roger@eyesopen.com>
3285 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3287 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3290 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3291 MACHO_DYNAMIC_NO_PIC_P.
3292 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3294 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3297 * config/darwin-protos.h (darwin_asm_output_anchor):
3299 * config/darwin-sections.def (cstring_section):
3300 Add SECTION_MERGE to the flags.
3301 (literal4_section): Likewise.
3302 (literal8_section): Likewise.
3303 (objc_selector_refs_section): Likewise.
3304 (objc_cls_refs_section): Likewise.
3305 * config/darwin.c (darwin_asm_output_anchor): New
3307 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3309 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3311 Fix PR tree-optimization/26443
3312 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3313 to todo and PROP_tmt_usage to properties_destroyed.
3314 * tree-ssa-ccp.c (pass_ccp): Ditto.
3315 (pass_store_ccp): Ditto.
3316 * tree-ssa-dom.c (pass_dominator): Ditto.
3318 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3320 * tree-ssa-operands.c: Cleanup whitespace.
3321 (get_asm_expr_operands): Move before first invocation.
3322 (get_indirect_ref_operands): Likewise.
3323 (get_tmr_operands): Likewise.
3324 (get_call_expr_operands): Likewise.
3325 (append_def): Likewise.
3326 (append_use): Likewise.
3327 (append_v_may_def): Likewise.
3328 (append_v_must_def): Likewise.
3329 (add_call_clobber_ops): Likewise.
3330 (add_call_read_ops): Likewise.
3331 (add_stmt_operand): Likewise.
3332 (add_virtual_operand): Likewise.
3333 (build_ssa_operands): Likewise.
3335 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3340 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3341 with a call expr to ...
3342 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3344 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3346 * tree-vrp.c (extract_range_from_assert): Remove special
3347 handling for types with super-types.
3349 2006-03-01 Ben Elliston <bje@au.ibm.com>
3351 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3352 and powerpc64-*-linux* configurations.
3353 * config/t-dfprules: New file.
3355 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3356 Compile dfp-bit.c from the source directory using -DWIDTH and
3357 $DFP_CFLAGS to control the compilation of that file, rather than
3358 generating width-specific versions in the build directory.
3359 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3360 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3362 2006-02-28 Zack Weinberg <zackw@panix.com>
3364 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3367 2006-02-28 Eric Christopher <echristo@apple.com>
3369 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3370 Set up IN_LIBGCC definition of TARGET_64BIT.
3371 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3373 2006-02-28 Roger Sayle <roger@eyesopen.com>
3376 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3377 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3378 cases via the construction of "expr != 0".
3380 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3382 * alias.c (alias_invariant, alias_invariant_size): Remove.
3383 (record_base_value): Remove.
3384 (memrefs_conflict_p): Don't look at alias_invariant.
3385 (end_alias_analysis): Don't free it.
3386 * alias.h (record_base_value): Remove prototype.
3388 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3389 Adam Nemet <anemet@caviumnetworks.com>
3391 * rtl.h (truncated_to_mode): Declare it.
3392 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3393 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3394 (RTL_HOOKS_INITIALIZER): Include it.
3395 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3396 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3397 reg_truncated_to_mode.
3398 * rtlanal.c (truncated_to_mode): Define it.
3399 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3401 2006-02-28 Jeff Law <law@redhat.com>
3403 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3404 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3405 the range allowed by TYPE_PRECISION.
3407 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3409 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3411 PR tree-optimization/26419
3412 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3415 2006-02-27 Zack Weinberg <zackw@panix.com>
3417 * doc/md.texi: Fix typo in previous change.
3419 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3423 2006-02-27 Zack Weinberg <zackw@panix.com>
3425 * rtl.def (define_constraint, define_register_constraint)
3426 (define_memory_constraint, define_address_constraint): New MD forms.
3427 * gensupport.c (process_rtx): Put define_constraint etc on the
3429 * genpreds.c (process_define_predicate): Adjust comment. Validate
3430 the name, and call validate_exp to validate the expression.
3431 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3432 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3433 all callers changed.
3434 (validate_exp, needs_variable, struct constraint_data)
3435 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3436 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3437 (const_dbl_constraints, constraint_max_namelen)
3438 (have_register_constraints, have_memory_constraints)
3439 (have_address_constraints, have_address_constraints)
3440 (have_extra_constraints, have_const_int_constraints)
3441 (have_const_dbl_constraints, mangle, add_constraint)
3442 (process_define_constraint, process_define_register_constraint)
3443 (write_enum_constraint_num, write_lookup_constraint)
3444 (write_insn_constraint_len, write_regclass_for_constraint)
3445 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3446 (write_insn_extra_memory_constraint)
3447 (write_insn_extra_address_constraint)
3448 (write_satisfies_constraint_fns): New.
3449 (write_tm_preds_h): If we have new-style constraint definitions,
3450 prototype the functions generated from them, and define the
3451 old constraint interface (still used by generic code) in terms of
3453 (write_insn_preds_c): If we have new-style constraint definitions,
3454 generate all relevant functions from those definitions.
3455 (main): Handle define_constraint etc.
3456 * genoutput.c (struct constraint_data, indep_constraints)
3457 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3458 (mdep_constraint_len): New data structures and functions, defined
3459 #ifdef USE_MD_CONSTRAINTS.
3460 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3461 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3462 use new logic to validate operand constraints against constraint
3464 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3466 * defaults.h: If none of the old-style constraint macros are
3467 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3468 old-style macros; and poison REG_CLASS_FROM_LETTER,
3469 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3471 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3472 * doc/md.texi: Document new constraint-definition mechanism and the
3473 C interface it provides. Remove references to old mechanism
3474 elsewhere in the document.
3475 (Machine Constraints): Use pathnames relative to gcc directory,
3476 i.e. config/ARCH/FILE. Change i386 section to refer to
3477 config/i386/predicates.md; update that section to match docstrings.
3478 * doc/tm.texi: Move all documentation of the old constraint-
3479 definition macros to their own section, clearly mark as obsolete.
3481 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3482 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3484 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3485 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3486 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3488 (splits and peepholes): Use satisfies_constraint_*.
3489 * config/i386/i386.c (memory_address_length)
3490 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3492 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3494 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3495 scalar operation to be put back into the loop.
3497 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3500 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3501 (extract_cie_info): Handle S flag in augmentation string.
3502 (execute_cfa_program): If context->signal_frame, execute also
3503 fs->pc == context->ra instructions.
3504 (uw_frame_state_for): If context->signal_frame, don't subtract one
3505 from context->ra to find FDE.
3506 (uw_update_context_1): Set context->signal_frame to
3508 (_Unwind_GetIPInfo): New function.
3509 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3510 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3512 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3513 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3514 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3515 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3516 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3517 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3518 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3519 x86_64_fallback_frame_state): Set fs->signal_frame.
3520 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3521 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3522 (frob_update_context): Likewise. Workaround missing S flag in
3523 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3524 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3525 Remove the psw_addr + 1 hack.
3527 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3529 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3530 with aggregates here.
3531 (find_func_aliases): Remove code for &<aggregate> from here.
3533 2006-02-26 Roger Sayle <roger@eyesopen.com>
3535 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3536 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3537 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3540 2006-02-26 Roger Sayle <roger@eyesopen.com>
3543 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3545 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3547 * opts.c (decode_options): Do not handle flag_strength_reduce.
3548 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3549 and OPT_fstrength_reduce.
3550 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3551 flag_prefetch_loop_arrays for being nonzero.
3552 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3554 (fprefetch-loop-arrays-rtl): Removed.
3555 (flag_prefetch_loop_arrays): Do not specify the value.
3557 * doc/passes.texi: Update documentation of loop optimizer
3559 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3560 -frerun-loop-opt): Remove.
3562 2006-02-26 Richard Guenther <rguenther@suse.de>
3564 PR tree-optimization/26421
3565 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3566 in function calls that are ADDR_EXPRs as using the whole structure.
3568 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3570 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3571 * tree-pass.h (pass_loop_optimize): Remove.
3572 * passes.c (pass_loop_optimize): Never run it.
3573 * toplev.c (backend_init): Don't call init_loop.
3574 * opts.c (flag_loop_optimize_set): Remove.
3575 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3576 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3577 the old RTL loop optimizer when profiling enabled.
3578 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3579 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3580 pre-headers for the sake of the old RTL loop optimizer.
3581 * Makefile.in: Remove all references to loop.o.
3583 * doc/invoke.texi: Remove all references to -floop-optimize
3584 and -frerun-loop-opt.
3586 2006-02-26 Zack Weinberg <zackw@panix.com>
3588 * doc/md.texi (Machine Constraints): Refer to all files with paths
3589 relative to gcc directory (i.e. config/CPU/file). Add missing
3590 @table @code ... @end table to M32C subsection.
3592 2006-02-26 Roger Sayle <roger@eyesopen.com>
3594 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3596 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3598 2006-02-26 Roger Sayle <roger@eyesopen.com>
3599 James A. Morrison <phython@gcc.gnu.org>
3602 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3603 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3604 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3605 signedness of the shift operation.
3607 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3609 PR tree-optimization/26359
3610 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3612 2006-02-25 Roger Sayle <roger@eyesopen.com>
3614 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3615 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3616 as X == 0, and some symmetry related transformations.
3617 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3619 2006-02-25 Roger Sayle <roger@eyesopen.com>
3622 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3623 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3624 symmetry related transformations. Fold (X^C1) == C2 as
3627 2006-02-25 Juergen Weigert <jw@suse.de>
3628 Richard Guenther <rguenther@suse.de>
3630 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3632 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3634 * combine.c (gen_lowpart_or_truncate): Call
3635 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3637 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3639 * doc/invoke.texi: Move -fopenmp description to "Options for
3641 Remove reference to -lgomp.
3643 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3645 * doc/install.texi: Require GNU tar version 1.14.
3647 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3649 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3650 * doc/invoke.texi (C++ Dialect Options): Document
3651 -fno-use-cxa-get-exception-ptr.
3652 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3653 * configure: Regenerate.
3654 * c.opt (fuse-cxa-get-exception-ptr): New.
3655 * c-opts.c (c_common_handle_option): Handle
3656 OPT_fuse_cxa_get_exception_ptr.
3657 * c-common.c (flag_use_cxa_atexit): Update documentation.
3658 (flag_use_cxa_get_exception_ptr): New.
3659 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3660 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3662 (C_COMMON_OVERRIDE_OPTIONS): New.
3664 2006-02-24 Roger Sayle <roger@eyesopen.com>
3667 * combine.c (try_combine): Explicitly check whether GET_CODE is
3668 a SET or a CLOBBER, instead on checking that it isn't a USE.
3670 2006-02-24 Roger Sayle <roger@eyesopen.com>
3672 * fold-const.c (fold_comparison): New subroutine of fold_binary
3673 containing transformations common to both the equality and
3674 ordering relational operators, factored out of fold_binary.
3675 (fold_binary): Separate out the equality operators (EQ_EXPR
3676 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3677 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3678 transformations common to both.
3679 (fold_div_compare): Fix latent bugs in the previously unreachable
3680 LT_EXPR and GE_EXPR cases.
3682 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3684 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3685 decl libname for clog to __clog on AIX.
3687 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3689 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3692 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3693 output traceback table for thunks. Localise rs6000_stack_info call.
3695 2006-02-23 Roger Sayle <roger@eyesopen.com>
3696 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3698 * gthr-posix.h (__gthrw): Fix typo in comment.
3700 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3702 * doc/cpp.texi (Character sets): Document that we do support
3703 input files to be in any character set.
3705 2006-02-23 Jeff Law <law@redhat.com>
3707 * tree.h (PHI_ARG_NONZERO): Remove.
3708 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3709 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3710 node to the new node.
3712 PR tree-optimization/26425
3713 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3714 min/max, then assume its varying.
3716 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3718 PR rtl-optimization/26316
3719 * rtlanal.c (enum may_trap_p_flags): New.
3720 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3721 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3722 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3723 (may_trap_after_code_motion_p): New function.
3724 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3725 (find_invariant_insn): Use may_trap_after_code_motion_p.
3726 * rtl.h (may_trap_after_code_motion_p): Declare.
3728 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3730 * emit-rtl.c (immed_double_const): Cleanup.
3732 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3734 Fix PR tree-optimization/26376
3735 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3738 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3741 * gimplify.c (omp_add_variable): Guard variable size decl test with
3742 DECL_SIZE (decl) check.
3744 2006-02-23 Richard Guenther <rguenther@suse.de>
3747 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3748 like aggregate types.
3750 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3752 * configure.ac: Add --with{,out}-long-double-128 configure option.
3753 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3754 * configure: Rebuilt.
3755 * config.in: Rebuilt.
3756 * doc/install.texi (Options specification): Document
3757 --with-long-double-128.
3759 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3760 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3761 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3762 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3764 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3766 * config/s390/s390.c (override_options): Handle
3767 TARGET_DEFAULT_LONG_DOUBLE_128.
3769 * config/alpha/alpha.c (override_options): Handle
3770 TARGET_DEFAULT_LONG_DOUBLE_128.
3772 * config/sparc/sparc.c (sparc_override_options): Handle
3773 TARGET_DEFAULT_LONG_DOUBLE_128.
3775 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3777 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3778 (real-install-headers-tar, real-install-headers-cpio)
3779 (real-install-headers-cp): New targets.
3781 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3783 * tree.h (variable_section): Delete.
3784 * varasm.c (variable_section): Delete.
3786 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3788 * install.texi: Add notes on install.texi2html.
3789 (Building in parallel): Do not use footnotes.
3791 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3794 * doc/install.texi (Configuration): Document --disable-libgomp.
3796 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3798 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3800 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3802 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3803 (vec_extractv2df_0_sse): New.
3805 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3807 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3808 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3809 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3810 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3811 to the result of the expression.
3812 (def_cfa_1): Adjust.
3813 (frame_pointer_cfa_offset): Rename to...
3814 (frame_pointer_fb_offset): ... this. Adjust all uses.
3815 (convert_cfa_to_loc_list): Rename to...
3816 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3817 Pass it on to build_cfa_loc.
3818 (compute_frame_pointer_to_cfa_displacement): Rename to...
3819 (compute_frame_pointer_to_fb_displacement): ... this. New
3820 offset parameter. Use it in computation.
3821 (gen_subprogram_die): Compute cfa_fb_offset with the new
3822 macro, and use it to compute the fb loc list and the
3825 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3827 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3828 replaced with register_operand.
3829 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3830 non-DREG is expensive.
3831 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3832 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3835 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3837 * doc/install.texi2html: Use set -e.
3839 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3841 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3842 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3843 * doc/invoke.texi (-fshared-data): Delete.
3844 * common.opt (fshared-data): Delete.
3845 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3846 (assemble_static_space): Remove #if 0 code.
3847 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3848 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3849 * config/cris/cris.h: Remove FIXME.
3851 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3853 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3856 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3859 * combine.c (simplify_shift_const_1): Disable nested shifts
3860 optimization for vector shifts.
3862 2006-02-20 Roger Sayle <roger@eyesopen.com>
3864 PR tree-optimization/26361
3865 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3866 of unsigned integer types.
3868 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3870 * tree-chrec.c (eq_evolutions_p): New.
3871 * tree-chrec.h (eq_evolutions_p): Declared.
3872 * tree-data-ref.c: Fix formatting.
3873 (datadep_stats, dependence_stats): New.
3875 (print_direction_vector): New.
3876 (dump_data_dependence_relation): Use print_direction_vector.
3877 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3878 (compute_subscript_distance): Static.
3879 (initialize_data_dependence_relation): Static. Get the number
3880 of loops surrounding the references from the callers, and initialize
3881 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3882 base_object_differ_p analyzers.
3883 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3884 compute_overlap_steps_for_affine_1_2,
3885 analyze_subscript_affine_affine): Count the classified dependences.
3886 Print a message when a test failed.
3887 (can_use_analyze_subscript_affine_affine): New.
3888 (analyze_siv_subscript): Compute the data dependences on symbolic
3889 scevs that verify can_use_analyze_subscript_affine_affine.
3890 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3891 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3892 Handle symbolic scevs.
3893 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3895 (subscript_dependence_tester): Moved...
3896 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3897 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3898 DDR_SIZE_VECT instead of getting it in parameter.
3899 (subscript_dependence_tester): ... here. Take as a parameter
3900 loop_nest_depth. Call build_classic_dist_vector and
3901 build_classic_dir_vector.
3902 (compute_affine_dependence): Update subscript_dependence_tester
3903 parameters. Update datadep_stats counters. Call
3904 compute_subscript_distance.
3905 (compute_self_dependence): Save the dist and dir vectors. Call
3906 compute_subscript_distance.
3907 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3908 (compute_all_dependences): Reorder parameters as they were before
3909 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3910 compute_subscript_distance. Update the use of
3911 compute_affine_dependence and initialize_data_dependence_relation.
3912 (find_data_references_in_loop): Handle COMPONENT_REF.
3913 (compute_data_dependences_for_loop): Initialize dependence_stats.
3914 Don't call build_classic_dist_vector and build_classic_dir_vector.
3915 Update the parameters of initialize_data_dependence_relation and
3916 compute_all_dependences. Print the statistics from datadep_stats.
3917 (analyze_all_data_dependences): Static. Not used until the pass for
3918 checking the data dependences is contributed.
3919 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3920 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3921 (initialize_data_dependence_relation, compute_affine_dependence,
3922 analyze_all_data_dependences, compute_subscript_distance): Removed.
3923 (print_direction_vector): New.
3924 * lambda.h (gcd): ... here.
3925 (lambda_vector_gcd): Moved here from gcd_vector.
3926 * lambda-code.c (gcd, gcd_vector): Removed.
3927 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3928 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3930 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3932 * ipa-type-escape.c: Tidy some comments and white space.
3933 * tree-ssa-operands.c: Likewise.
3935 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3938 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3939 (dump_decl_name): Do not walk the decl tree chains.
3940 * tree-pass.h (TDF_CHAIN): Remove.
3942 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3944 * Makefile.in (C): Remove
3946 (.PHONY): Remove C and PROTO
3948 2006-02-20 Roger Sayle <roger@eyesopen.com>
3951 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3952 deprecated CHAR_TYPE tree code.
3954 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3956 * configure.ac (target_list): Add install-info, dvi, html.
3957 * configure: Regenerate.
3959 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3960 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3961 treelang/Make-lang.in: Do not use double-colon rules.
3963 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3965 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3966 (TMT_USED_ALONE): New macro.
3967 * tree-pass.h (PROP_tmt_usage): New property.
3968 (TODO_update_tmt_usage): New todo.
3969 * tree-ssa-alias.c (updating_used_alone): New variable.
3970 (recalculate_used_alone): New function.
3971 (compute_may_aliases): Set updating_used_alone, call
3972 recalculate_used_alone.
3973 * tree-sra.c (pass_sra): Note that this pass destroys
3974 PROP_tmt_usage, and add TODO_update_tmt_usage.
3975 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3976 * tree-flow.h (updating_used_alone): Prototype.
3977 (recalculate_used_alone): Ditto.
3978 * passes.c (execute_todo): Add code to set updating_used_alone,
3979 and call recalculate.
3980 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3981 for clobber if used alone, and add assert to verify used_alone
3984 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3986 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3987 for non tls symbols added.
3988 (legitimize_address): Do nothing for PLUS expressions if one of the
3989 addends is a tls symbol reference.
3991 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3995 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3997 * Makefile.in (BOOTSTRAPPING): New.
3998 (quickstrap): New definition if BOOTSTRAPPING=yes.
4000 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4001 * configure.ac: Substitute all_selected_languages with the languages
4002 that were configured. For all the other variables except
4003 lang_specs_files, include all the languages in the tree.
4004 * configure: Regenerate.
4006 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4007 if there is one. Run the commands to run fixincludes in the same
4010 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4011 * doc/install.texi: Document exact conventions for searching target tools.
4012 Document --with-build-time-tools. Document toplevel bootstrap. Document
4013 something more about building an Ada cross-compiler. Don't list GNU Make
4014 requirements which affect all platforms.
4016 2006-02-19 Roger Sayle <roger@eyesopen.com>
4019 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4020 only equivalent if the have both the same mode and precision.
4022 2006-02-20 Ben Elliston <bje@au.ibm.com>
4024 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4026 2006-02-19 Roger Sayle <roger@eyesopen.com>
4027 Steven Bosscher <stevenb.gcc@gmail.com>
4029 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4030 constant pool references to identify stack mode constants.
4031 * rtlanal.c (constant_pool_constant_p): New predicate to check
4032 whether operand is a floating point constant in the pool.
4033 * rtl.h (constant_pool_constant_p): Prototype here.
4034 * loop.c (scan_loop): Avoid hoisting constants from the constant
4035 pool on STACK_REGS targets.
4036 (load_mems): Likewise.
4037 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4038 loads into x87 registers expensive in terms of register pressure.
4040 2006-02-19 Roger Sayle <roger@eyesopen.com>
4042 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4043 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4045 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4047 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4048 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4050 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4052 * doc/invoke.texi: Document -fipa-pta.
4053 * common.opt: Add ipa-pta option.
4054 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4055 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4056 (do_ds_constraint): Ditto.
4057 (get_constraint_for): Only add to referenced_vars if
4058 referenced_vars exists.
4059 (insert_into_field_list): Rewrite to do this unsorted.
4060 (insert_into_field_list_sorted): Rename old insert_into_field_list
4062 (create_function_info_for): Use insert_into_field_list_sorted.
4063 (create_variable_info_for): Rewrite so it uses unsorted version,
4064 since the field list is sorted.
4065 (intra_create_variable_infos): Only add to referenced_vars if
4066 referenced_vars exists.
4067 (ipa_pta_execute): Init heapvars, and delete when done.
4068 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4070 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4072 * doc/install.texi: Add missing `@samp'.
4074 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4076 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4079 2006-02-18 Mark Wielaard <mark@klomp.org>
4081 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4082 who added new 4.1 features, bug fixes and integration support.
4084 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4087 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4090 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4092 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4093 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4094 (copy_insn_1): Likewise. Don't copy each field individually.
4096 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4098 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4099 * rtl.c (rtx_size): Rename variable to...
4100 (rtx_code_size): ...this.
4101 (rtx_size): New function.
4102 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4103 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4105 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4106 * rtl.h (rtx_code_size): New variable.
4107 (rtx_size): Change from a variable to a function.
4108 (RTX_SIZE): Rename to...
4109 (RTX_CODE_SIZE): ...this.
4112 PR tree-optimization/17106
4113 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4114 (Anchored Addresses): New section.
4115 * doc/invoke.texi (-fsection-anchors): Document.
4116 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4117 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4118 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4119 * hooks.c (hook_bool_mode_rtx_false): New function.
4120 * hooks.h (hook_bool_mode_rtx_false): Declare.
4121 * gengtype.c (create_optional_field): New function.
4122 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4123 SYMBOL_REF_IN_BLOCK_P is true.
4124 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4125 (min_anchor_offset, max_anchor_offset): Likewise.
4126 (use_anchors_for_symbol_p): New hook.
4127 * toplev.c (compile_file): Call output_object_blocks.
4128 (target_supports_section_anchors_p): New function.
4129 (process_options): Check that -fsection-anchors is only used on
4130 targets that support it and when -funit-at-a-time is in effect.
4131 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4132 if the decl doesn't have one.
4133 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4134 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4135 of force_const_mem through use_anchored_address.
4136 (expand_expr_constant): New function.
4137 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4138 calling expand_expr for INDIRECT_REF.
4139 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4140 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4141 * expr.h (use_anchored_address): Declare.
4142 * loop-unroll.c: Don't declare rtx vectors here.
4143 * explow.c: Include output.h.
4144 (validize_mem): Call use_anchored_address.
4145 (use_anchored_address): New function.
4146 * common.opt (-fsection-anchors): New switch.
4147 * varasm.c (object_block_htab, anchor_labelno): New variables.
4148 (hash_section, object_block_entry_eq, object_block_entry_hash)
4149 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4150 (use_blocks_for_decl_p, change_symbol_section): New functions.
4151 (get_variable_section): New function, split out from assemble_variable.
4152 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4153 use_blocks_for_decl_p say so. Use change_symbol_section if the
4154 symbol has already been created.
4155 (assemble_variable_contents): New function, split out from...
4156 (assemble_variable): ...here. Don't output any code for
4157 block symbols; just pass them to place_block_symbol.
4158 Use get_variable_section and assemble_variable_contents.
4159 (get_constant_alignment, get_constant_section, get_constant_size): New
4160 functions, split from output_constant_def_contents.
4161 (build_constant_desc): Create a block symbol if use_object_blocks_p
4162 says so. Or into SYMBOL_REF_FLAGS.
4163 (assemble_constant_contents): New function, split from...
4164 (output_constant_def_contents): ...here. Don't output any code
4165 for block symbols; just pass them to place_section_symbol.
4166 Use get_constant_section and get_constant_alignment.
4167 (force_const_mem): Create a block symbol if use_object_blocks_p and
4168 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4169 (output_constant_pool_1): Add an explicit alignment argument.
4170 Don't switch sections here.
4171 (output_constant_pool): Adjust call to output_constant_pool_1.
4172 Switch sections here instead. Don't output anything for block symbols;
4173 just pass them to place_block_symbol.
4174 (init_varasm_once): Initialize object_block_htab.
4175 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4176 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4177 (place_block_symbol, get_section_anchor, output_object_block)
4178 (output_object_block_htab, output_object_blocks): New functions.
4179 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4180 (TARGET_ASM_OUT): Include it.
4181 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4182 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4183 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4184 (TARGET_INITIALIZER): Include them.
4185 * rtl.c (rtl_check_failed_block_symbol): New function.
4186 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4187 (block_symbol, object_block): New structures.
4188 (rtx_def): Add a block_symbol field to the union.
4189 (BLOCK_SYMBOL_CHECK): New macro.
4190 (rtl_check_failed_block_symbol): Declare.
4191 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4192 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4193 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4194 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4195 * output.h (output_section_symbols): Declare.
4196 (object_block): Name structure.
4197 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4198 (default_use_anchors_for_symbol_p): Declare.
4199 * Makefile.in (RTL_BASE_H): Add vec.h.
4200 (explow.o): Depend on output.h.
4201 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4202 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4203 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4204 (rs6000_use_blocks_for_constant_p): New function.
4206 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4208 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4210 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4213 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4216 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4218 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4222 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4225 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4226 instead of DECL_REGISTER.
4228 2006-02-18 Olivier Hainque <hainque@adacore.com>
4231 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4233 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4236 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4237 * opth-gen.awk: Handle Var and InverseMask together.
4238 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4239 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4240 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4241 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4243 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4244 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4245 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4246 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4247 LINUX_DYNAMIC_LINKER): Define.
4248 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4249 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4251 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4252 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4253 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4254 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4255 (TARGET_C99_FUNCTIONS): Don't define.
4256 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4257 GLIBC_DYNAMIC_LINKER.
4258 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4259 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4260 GLIBC_DYNAMIC_LINKER64): Define.
4261 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4262 LINUX_DYNAMIC_LINKER64.
4263 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4265 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4267 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4268 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4269 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4270 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4271 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4273 and LINUX_DYNAMIC_LINKER32.
4274 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4276 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4278 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4280 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4281 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4282 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4283 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4284 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4285 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4286 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4287 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4288 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4289 LINUX_DYNAMIC_LINKER): Define.
4290 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4291 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4292 GLIBC_DYNAMIC_LINKER64): Define.
4293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4294 LINUX_DYNAMIC_LINKER64.
4295 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4296 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4297 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4298 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4299 LINUX_DYNAMIC_LINKER): Define.
4300 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4301 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4302 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4303 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4304 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4305 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4306 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4307 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4308 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4309 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4311 * doc/invoke.texi (-muclibc): Remove caveat about supported
4314 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4316 * doc/cpp.texi (__TIMESTAMP__): Document.
4318 2006-02-17 Roger Sayle <roger@eyesopen.com>
4321 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4322 C is one less than the width of X (and related transformations).
4323 * simplify-rtx.c (simplify_unary_operation_1): Transform
4324 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4325 depending on STORE_FLAG_VALUE, were C is one less then the
4328 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4330 Fix PR tree-optimization/26341
4331 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4332 about NAME_MEMORY_TAG's.
4334 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4337 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4338 with hardware float support, and software float support. Add fcpy
4339 alternative to hardware patterns. Add alternatives to copy between
4340 general and floating-point registers to the 32-bit pattern.
4341 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4342 secondary reload to load a QI or HI mode constant into a floating
4344 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4345 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4347 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4350 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4352 (load_macho_picbase_di): Likewise.
4354 2006-02-16 Jeff Law <law@redhat.com>
4356 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4357 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4358 (ssa_name_nonzero_p): Likewise.
4359 (get_value_range): Return NULL if VRP is not running.
4360 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4361 VRP routines do not discover a range.
4362 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4363 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4364 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4365 (tree_expr_nonnegative_p): Similarly.
4366 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4367 (restore_nonzero_vars_to_original_value): Remove.
4368 (unsafe_associative_fp_binop): Remove.
4369 (tree_ssa_dominator_optimize): Remove initialization and
4370 finalization of nonzero_vars and nonzero_vars_stack.
4371 (dom_opt_initialize_block): No longer push marker on
4373 (dom_opt_finalize_block): No longer call
4374 restore_nonzero_vars_to_original_value.
4375 (record_equivalences_from_phis): No longer look for
4376 nonzero PHI arguments.
4377 (cprop_into_successor_phis): No longer propagate nonzero
4378 property into PHI arguments. Lose unused argument. Caller
4380 (record_equivalences_from_stmt): No longer record nonzero
4381 values for SSA_NAMEs.
4382 (lookup_avail_expr): No longer use nonzero_vars.
4384 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4385 for sizetype when sizetype is unsigned.
4387 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4389 PR rtl-optimization/25603
4390 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4391 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4392 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4393 with new meaning of SETS.
4395 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4400 * config/linux.opt: New file.
4401 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4402 LINUX_DYNAMIC_LINKER): Define.
4403 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4404 * config.gcc (*-*-linux*): Define extra_options.
4405 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4406 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4407 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4408 GLIBC_DYNAMIC_LINKER.
4409 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4410 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4411 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4413 * doc/invoke.texi (GNU/Linux Options): New section.
4415 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4417 * config/sparc/sparc.md (setjmp): Rewrite.
4418 (setjmp_32): Delete.
4419 (setjmp_64): Likewise.
4421 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4423 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4426 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4428 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4431 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4433 PR rtl-optimization/26296
4434 * Makefile.in (loop-invariant.c): Add except.h dependency.
4435 * loop-invariant.c: Include except.h.
4436 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4438 2005-02-16 Paul Brook <paul@codesourcery.com>
4440 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4443 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4445 PR rtl-optimization/25636
4446 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4447 when deciding whether an insn is an initializing insn.
4449 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4451 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4452 (tree_code_size): Ditto.
4453 * tree.h (struct tree_memory_tag): Remove parent_var.
4454 (struct tree_struct_field_tag): New.
4457 (union tree_node): Add sft member.
4458 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4460 (create_sft): Add size and offset argument, set SFT_OFFSET and
4462 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4463 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4464 * tree-flow-inline.h (get_subvar_at): Update for
4465 SFT_OFFSET/SFT_SIZE.
4466 (var_can_have_subvars): Ditto.
4467 (overlap_subvar): Ditto.
4468 * print-tree.c (print_node): Print out interesting things for
4470 * tree-flow.h (struct subvar): Remove offset and size members.
4471 * tree-ssa-operands.c (get_expr_operands): Update for
4472 get_indirect_ref_operands changes.
4473 (get_indirect_ref_operands): Call add_virtual_operand instead of
4474 add_stmt_operand. Only recurse on base var if requested.
4475 (access_can_touch_variable): New function.
4476 (add_stmt_operand): Split virtual operand handling into ...
4477 (add_virtual_operand): Here. Add offset, size, and for_clobber
4478 arguments. Prune alias sets.
4479 (add_call_clobber_ops): Call add_virtual_operand.
4481 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4484 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4486 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4487 than TREE_CODE as index into omp_clause_num_ops array.
4489 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4491 PR rtl-optimization/26184
4492 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4494 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4495 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4496 must_precede, must_follow and tobe_scheduled.
4499 * opts.c (common_handle_option): Free new_option pointer.
4500 * df-core.c (df_analyze): Free postorder pointer.
4502 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4504 * Makefile.in: Fix the examples about the use of stamps
4506 2006-02-15 Michael Matz <matz@suse.de>
4510 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4511 influenced by maximum_field_alignment or DECL_PACKED.
4512 (update_alignment_for_field): Ditto.
4513 (place_field): Ditto.
4514 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4517 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4519 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4520 (debug_flow_info): Pass it.
4521 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4522 * bb-reorder.c (reorder_basic_blocks): Likewise.
4523 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4524 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4525 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4526 * gcse.c (gcse_main, bypass_jumps): Likewise.
4527 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4528 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4529 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4530 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4531 * rtl.h (dump_flow_info): Adjust prototype.
4532 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4533 * var-tracking.c (variable_tracking_main): Likewise.
4534 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4535 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4538 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4540 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4543 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4545 PR tree-optimization/26209
4546 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4547 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4549 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4551 2006-02-14 Roger Sayle <roger@eyesopen.com>
4554 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4555 (X,Y) and the corresponding symmetry related transformations.
4556 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4557 (X,Y) and its symmetry related transformations.
4559 2006-02-14 Roger Sayle <roger@eyesopen.com>
4561 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4564 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4566 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4568 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4571 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4572 support COMDAT group.
4573 * configure: Regenerate.
4575 2006-02-14 Roger Sayle <roger@eyesopen.com>
4580 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4582 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4584 Fix PR tree-optimization/26260
4586 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4588 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4589 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4590 * tree-ssa-structalias.c (create_variable_info_for): Use
4591 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4593 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4595 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4597 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4598 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4599 of the ending condition.
4600 * tree-ssa-loop-manip.c: Include params.h.
4601 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4602 tree_unroll_loop): New functions.
4603 * tree-pass.h (pass_loop_prefetch): Declare.
4604 * loop.c (rest_of_handle_loop_optimize): Test for
4605 -fprefetch-loop-arrays-rtl.
4606 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4607 * timevar.def (TV_TREE_PREFETCH): New timevar.
4608 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4609 pass_loop_prefetch): New.
4610 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4611 (cleanup_tree_cfg_loop): Call scev_reset.
4612 * common.opt (fprefetch-loop-arrays-rtl): Add.
4613 * tree-ssa-loop-prefetch.c: New file.
4614 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4615 (new_temp_expr_table): Initialize expr_vars.
4616 (free_temp_expr_table): Cleanup expr_vars.
4617 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4618 expressions from being merged into one.
4619 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4620 (struct tree_niter_desc): Add control, bound and cmp fields.
4621 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4623 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4624 (tree-cfgcleanup.o): Add SCEV_H dependency.
4625 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4626 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4628 2006-02-14 Richard Guenther <rguenther@suse.de>
4630 PR tree-optimization/26258
4631 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4632 in PHI argument processing.
4634 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4636 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4637 new expression in the requested machine mode.
4639 2006-02-13 Roger Sayle <roger@eyesopen.com>
4641 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4642 directly, instead let do_compare_rtx_and_jump handle this for us.
4643 * expr.c (expand_expr_real_1): Likewise.
4644 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4645 before do_jump_by_parts_greater.
4646 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4647 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4649 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4651 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4653 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4655 PR rtl-optimization/26235
4656 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4657 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4660 2006-02-13 Jeff Law <law@redhat.com>
4662 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4665 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4668 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4669 twice if decl is a builtin. When trying again, call get_callee_fndecl
4670 first to verify it is still a builtin.
4672 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4674 * dwarf2out.c (base_type_die): Don't add AT_name here.
4675 (subrange_type_die): Don't add AT_name here.
4676 (modified_type_die): Rearrange code flow. Do add AT_name here.
4678 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4680 PR rtl-optimization/26247
4681 PR rtl-optimization/26248
4682 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4684 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4686 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4687 * config/fixtfdi.c: Likewise.
4688 * config/fixunstfdi.c: Likewise.
4689 * config/floatditf.c: Likewise.
4691 2006-02-13 Roger Sayle <roger@eyesopen.com>
4694 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4695 into (X,C2) if C1 is a subset of the bits of C2. Transform
4696 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4698 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4700 2006-02-13 Josh Conner <jconner@apple.com>
4703 * varasm.c (function_section): Check for section name before
4704 calling select_section on targets that define
4705 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4706 unlikely_text_section instead of hot_function_section if
4707 first_function_block_is_cold.
4709 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4712 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4714 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4716 PR rtl-optimization/26222
4717 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4718 after tree->rtl expansion.
4719 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4720 before passing it to emit_move_insn.
4722 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4724 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4726 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4727 Clarify documentation.
4728 * c-common.h (warn_write_strings): Remove.
4729 * c-common.c (warn_write_strings): Likewise.
4730 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4733 2006-02-12 Roger Sayle <roger@eyesopen.com>
4736 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4737 (do_jump_parts_zero_rtx): New function renamed from
4738 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4739 (do_jump_parts_equality_rtx): New function split out from
4740 do_jump_parts_equality. Old implementation renamed as above.
4741 Call do_jump_parts_zero_rtx if either operand is zero.
4742 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4743 do all of the heavy lifting.
4744 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4745 calling either do_jump_by_parts_greater_rtx or
4746 do_jump_by_parts_equality_rtx.
4747 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4748 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4749 moved to do_compare_rtx_and_jump, call it directly.
4750 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4751 mode argument. Call do_compare_rtx_and_jump.
4752 (emit_case_nodes): Update calls to do_jump_if_equal.
4754 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4756 PR rtl-optimization/26225
4757 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4759 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4761 PR rtl-optimization/26232
4762 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4764 2006-02-11 Jason Merrill <jason@redhat.com>
4767 * tree-inline.c (declare_return_variable): Just don't use the
4768 modify target if it's a gimple complex reg and the return slot
4771 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4773 * doc/contrib.texi: Update my entry.
4775 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4777 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4779 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4781 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4784 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4786 * doc/invoke.texi (-floop-optimize2): Removed.
4787 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4788 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4789 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4790 * common.opt (floop-optimize2): Removed.
4791 (fmove-loop-invariants): Enabled by default.
4793 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4795 * tree-if-conv.c (combine_blocks): Free the result of
4796 get_loop_exit_edges.
4798 2006-02-10 Jeff Law <law@redhat.com>
4800 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4802 PR tree-optimization/26213
4803 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4804 loop trying to follow SSA_NAME_VALUE chains.
4806 2006-02-10 Richard Guenther <rguenther@suse.de>
4808 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4809 deal with structures that end in implicitly variable sized arrays.
4811 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4813 PR rtl-optimization/24762
4814 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4817 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4819 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4820 (struct ivopts_data): Add regs_used field.
4821 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4822 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4823 instead of loop_data->regs_used;
4824 (free_loop_data): Do not free aux fields for loops.
4825 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4826 and tree_ssa_iv_optimize_finalize.
4828 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4830 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4832 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4835 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4836 computing the effective result type.
4838 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4841 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4842 (tree_overlaps_hard_reg_set): Declare.
4843 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4844 type and signature to match function type expected by walk_tree.
4845 (tree_overlaps_hard_reg_set): New function.
4846 (decl_conflicts_with_clobbers_p): Rename to:
4847 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4848 Use tree_overlaps_hard_reg_set. Changed caller.
4849 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4850 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4851 * cris.c (cris_md_asm_clobbers): Likewise.
4853 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4855 * reload1.c (emit_input_reload_insns): Delete code that tries to
4856 inherit using find_equiv_reg.
4858 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4860 * c-common.h (flag_const_strings): Don't declare.
4861 * c-common.c (flag_const_strings): Remove.
4862 * c.opt (fconst_strings): Remove.
4863 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4864 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4865 (c_common_init_options): Don't set flag_const_strings.
4866 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4868 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4870 * arm.md (tlobits_cbranch): New pattern.
4871 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4872 testing a single bit.
4874 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4877 * tree-ssa-pre.c (create_component_ref_by_pieces):
4878 Handle RETURN_DECL like VAR_DECL.
4880 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4883 * fold-const.c (fold_indirect_ref_1): Fold
4884 "*(foo *)&complexfoo" to "__real__ complexfoo"
4885 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4887 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4889 * tree-flow-inline.h (var_can_have_subvars):
4890 Volatile variables should not have subvariables.
4892 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4895 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4896 multiplying unsigned values.
4899 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4901 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4903 2006-02-08 Jason Merrill <jason@redhat.com>
4906 * tree.def: Elaborate on difference from MODIFY_EXPR.
4907 * doc/c-tree.texi (INIT_EXPR): Likewise.
4908 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4909 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4910 (gimplify_target_expr): Likewise.
4911 (gimplify_cond_expr): Remove target handling.
4912 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4913 (gimplify_expr): Clobber it here.
4914 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4915 Do return slot optimization if we have an INIT_EXPR.
4918 * tree-inline.c (declare_return_variable): Also clear
4919 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4922 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4925 * gimplify.c (gimplify_one_sizepos): Fix typo.
4927 2006-02-08 Jeff Law <law@redhat.com>
4929 PR tree-optimization/21417
4930 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4931 across a backedge if the control statement at the end of the
4932 block is data dependent on other statements in the same block.
4933 (record_temporary_equivalences_from_stmts): Remove over-conservative
4934 test for threading across backedges.
4936 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4937 control statement, handle all three special cases in the same
4938 manner as they all have the same desired solution. No longer
4939 special case edge flag updating when the post dominator is
4942 2006-02-08 Roger Sayle <roger@eyesopen.com>
4944 * tree.def (CHAR_TYPE): Remove.
4945 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4946 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4947 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4948 (gen_string_type_die): Delete unreachable function.
4950 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4951 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4952 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4953 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4954 * builtins.c (type_to_class): Likewise.
4955 * fold-const.c (fold_convert, build_range_check,
4956 merge_ranges): Likewise.
4957 * expr.c (count_type_elements): Likewise.
4958 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4959 * stor-layout.c (layout_type): Likewise.
4960 * ipa-type-escape.c (type_to_consider): Likewise.
4961 * gimplify.c (omp_firstprivatize_type_sizes,
4962 gimplify_type_sizes): Likewise.
4963 * explow.c (promote_mode): Likewise.
4964 * tree-sra.c (is_sra_scalar_type): Likewise.
4965 * varasm.c (output_constant): Likewise.
4966 * tree-inline.c (remap_type_1): Likewise.
4967 * convert.c (convert_to_pointer, convert_to_real,
4968 convert_to_integer, convert_to_complex): Likewise.
4970 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4972 * df-scan.c (df_def_record_1): A set destination may
4973 be a parallel regardless of mode.
4975 2006-02-08 Roger Sayle <roger@eyesopen.com>
4978 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4979 * config/mips/_tilib.c: Remove.
4980 * config/fixtfdi.c: New libgcc source file.
4981 * config/fixunstfdi.c: New source file.
4982 * config/floatditf.c: New source file.
4983 * config/floatunditf.c: New souce file.
4984 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4985 files above instead of config/mips/_tilib.c.
4986 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4988 2006-02-08 Jeff Law <law@redhat.com>
4990 PR tree-optimization/26169
4991 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4994 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4996 * df.h (DF_REG_SIZE): Return the length of the initialized
4999 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5001 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5002 __muldf3): Return a correctly signed zero.
5004 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5006 * passes.c (register_one_dump_file): Accept the current properties
5007 instead of pass number. Adjust call to dump_register. Remove
5009 (register_dump_files): Now a wrapper around...
5010 (register_dump_files_1): ... this one. Do not modify the pass
5012 (next_pass_1): Cosmetic fix.
5013 (execute_todo): Keep second parameter only. Use curr_properties
5014 instead of fetching it from the pass structure. Check and set
5016 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5017 instead of fetching it from the pass structure. Fix calls to
5018 execute_todo. Update curr_properties and initialize .vcg RTL dump
5019 after running the pass. Reset last_verified.
5020 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5022 (FIRST_AUTO_NUMBERED_DUMP): New.
5023 (dump_register): Remove "num" parameter, assign it within the
5025 (get_dump_file_name): Modify template for dumps.
5026 * tree-dump.h (dump_register): Adjust prototype.
5027 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5028 (PROP_trees): Add PROP_gimple_lomp.
5029 (TODO_set_props): New.
5030 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5031 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5032 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5034 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5036 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5037 (sparc64-*-linux*): Likewise.
5038 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5039 * config/sparc/t-linux: New file.
5040 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5041 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5042 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5043 -m32 -mlong-double-128.
5045 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5046 * config/alpha/t-linux: New file.
5047 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5049 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5050 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5051 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5052 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5053 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5054 (CPP_ARCH32_SPEC): Remove.
5056 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5058 PR tree-optimization/26145
5059 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5062 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5065 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5066 >= 240000 when generating code for SOM runtime.
5067 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5068 to $$dyncall when generating code for SOM runtime..
5070 2006-02-07 Dirk Mueller <dmueller@suse.com>
5073 * doc/invoke.texi (-Wsequence-point): Update documentation
5074 that -Wsequence-point is implemented for C++ as well.
5076 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5078 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5079 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5080 (LIB_SPEC): Likewise.
5081 * doc/invoke.texi (SPARC options): Document -pthread.
5083 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5085 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5088 2006-02-07 Roger Sayle <roger@eyesopen.com>
5090 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5091 Correct comment describing BOOLEAN_TYPE.
5093 2006-02-07 Dirk Mueller <dmueller@suse.com>
5095 * c.opt: C++ frontend supports -Wdiv-by-zero.
5096 * c-opts.c (c_common_handle_option): Remove dead case.
5098 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5100 * configure.ac (TLS assembler check): Do not enable TLS by
5101 default on SPARC/Solaris before version 10.
5102 * configure: Regenerate.
5104 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5106 * doc/invoke.texi (xl-compat): Document conversion and support
5109 2006-02-07 Jeff Law <law@redhat.com>
5111 * tree-vrp.c (find_conditional_asserts): Update comments.
5112 (simplify_stmt_for_jump_threading): New.
5113 (identify_jump_threads, finalize_jump_threads): New.
5114 (vrp_finalize): Call identify_jump_threads.
5115 (execute_vrp): Call finalize_jump_threads.
5116 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5117 (vrp_element, vrp_data, vrp_element_p): Remove.
5118 (vrp_hash_elt, vrp_variables_stack): Remove.
5119 (vrp_hash, vrp_eq, record_range): Remove.
5120 (simplify_cond_and_lookup_avail_expr): Remove.
5121 (extract_range_from_cond): Remove.
5122 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5123 (simplify_stmt_for_jump_threading): New.
5124 (dom_thread_across_edge): New wrapper.
5125 (tree_ssa_dominator_optimize): No longer initialize or
5126 finalize any of the VRP datastructures. Remove iteration
5127 step and simplify as a result of removal of iteration step.
5128 (pass_dominator): Perform a cfg cleanup after DOM.
5129 (dom_opt_finalize_block): Use the new common routines
5130 for threading jumps. Simplify stack management slightly.
5131 No longer need to unwind VRP state.
5132 (record_equivalences_from_incoming_edge): No longer record
5134 (eliminate_redundant_computations): No longer call
5135 simplify_cond_and_lookup_avail_expr.
5136 * tree-flow.h (potentially_threadable_block): Prototype.
5137 (thread_across_edge): Likewise.
5138 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5139 (tree-ssa-threadedge.o): Add dependencies.
5140 * tree-ssa-threadedge.c: New file.
5141 * passes.c (init_optimization_passes): Merge PHIs before
5142 calling VRP. Run VRP again late in the SSA optimization pipeline.
5144 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5146 * df-core.c (df_set_blocks): Do not dereference function pointers.
5147 (df_finish1): Likewise.
5148 (df_hybrid_search_forward): Likewise.
5149 (df_hybrid_search_backward): Likewise.
5150 (df_iterative_dataflow): Likewise.
5151 (df_analyze_problem): Likewise.
5152 (df_compact_blocks): Likewise.
5153 (df_dump): Likewise.
5154 * df-scan.c (df_rescan_blocks): Likewise.
5155 (df_record_entry_block_defs): Likewise.
5157 * genconditions.c (write_conditions): Guard the definition of
5158 'insn_conditions' with the check on GCC version.
5159 (write_writer): Guard the traversal 'insn_conditions' with
5160 the check on GCC version.
5162 2006-02-07 Richard Guenther <rguenther@suse.de>
5166 2006-01-30 Richard Guenther <rguenther@suse.de>
5168 * gimplify.c (gimplify_target_expr): Handle easy cases
5169 without creating a temporary.
5171 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5173 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5174 use of float in probability computations. Use edge probabilities
5175 in place of statically computed probabilities.
5176 (min_spec_prob): New static variable.
5177 (schedule_insns): Initialize it.
5178 (GET_SRC_PROB): Removed.
5179 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5181 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5184 * config/ia64/unwind-ia64.c: Revert last change.
5185 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5186 (INCOMING_FRAME_SP_OFFSET): Define.
5188 2006-02-06 Roger Sayle <roger@eyesopen.com>
5190 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5192 2006-02-07 Ben Elliston <bje@au.ibm.com>
5194 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5195 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5196 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5197 (ix86_return_in_memory): Handle TDmode.
5198 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5199 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5201 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5203 * reorg.c (dbr_schedule): Use dump_file instead of file.
5205 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5208 * config/ia64/predicates.md (extr_len_operand): New predicate.
5209 * config/ia64/ia64.md (extv): Tighten constraints.
5211 (*tbit_and_2): Ditto.
5212 (*tbit_and_3): Ditto.
5213 (*tbit_or_2): Ditto.
5214 (*tbit_or_3): Ditto.
5218 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5221 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5223 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5225 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5226 loop_optimizer_init and loop_optimizer_finalize
5227 * tree-ssa-sink.c (execute_sink_code): Ditto.
5228 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5229 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5230 tree_ssa_loop_done): Ditto.
5231 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5232 * sched-ebb.c: Include output.h.
5233 (schedule_ebbs): Do not use dump argument.
5234 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5235 * loop.c (loop_dump_stream): Removed.
5236 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5238 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5239 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5240 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5241 loop_iterations, strength_reduce, record_biv, record_giv,
5242 final_giv_value, check_final_value, check_ext_dependent_givs,
5243 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5244 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5245 dump_file instead of loop_dump_stream.
5246 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5248 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5250 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5251 * haifa-sched.c: Include output.h
5252 (schedule_insns, sched_init): Do not use dump argument.
5253 * mode-switching.c (optimize_mode_switching): Ditto.
5254 * modulo-sched.c (stats_file): Removed.
5255 (print_node_sched_params): Do not call argument dump_file.
5256 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5257 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5259 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5261 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5262 rtl_loop_init, rtl_loop_done): Ditto.
5263 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5264 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5266 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5267 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5268 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5269 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5270 * emit-rtl.c (renumber_insns): Ditto.
5271 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5272 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5273 * regclass.c (regclass): Ditto.
5274 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5275 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5276 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5277 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5279 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5280 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5282 * gcse.c (gcse_file, debug_stderr): Removed.
5283 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5284 rest_of_handle_gcse): Do not use dump argument.
5285 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5286 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5287 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5288 compute_code_hoist_vbeinout, compute_code_hoist_data,
5289 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5290 compute_store_table, build_store_vectors, insert_insn_start_bb,
5291 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5292 store_motion): Use dump_file instead of gcse_file.
5293 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5294 * profile.c (profile_dump_file): Removed.
5295 (branch_prob): Use dump_file instead of profile_dump_file.
5296 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5298 * tree-ssa-copy.c (dump_copy_of): Ditto.
5299 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5300 dump file to life_analysis.
5301 * bt-load.c (branch_target_load_optimize): Ditto.
5302 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5304 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5305 regclass, dbr_schedule): Declaration changed.
5306 * sched-int.h (sched_init): Declaration changed.
5307 * tree-profile.c (tree_profile_dump_file): Removed.
5308 (tree_profile_hooks): Removed profile_dump_file hook.
5309 * rtl-profile (rtl_profile_dump_file): Removed.
5310 (rtl_profile_hooks): emoved profile_dump_file hook.
5311 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5313 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5314 * tree-cfg.c (build_tree_cfg): Ditto.
5315 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5316 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5317 Declaration changed.
5318 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5319 life_analysis and schedule_insns.
5320 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5322 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5324 * config/mips/mips.c (mips_reorg): Ditto.
5325 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5328 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5330 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5331 (s390_mangle_fundamental_type): New.
5332 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5335 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5336 (alpha_mangle_fundamental_type): New.
5337 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5340 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5342 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5344 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5345 (sparc_mangle_fundamental_type): New.
5347 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5349 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5350 (s390x-*-linux*): Likewise.
5351 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5352 * config/s390/t-linux: New file.
5354 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5356 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5357 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5359 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5361 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5362 (ANTIC_SAFE_LOADS): New macro.
5363 (find_or_generate_expression): Add prototype.
5364 (set_contains_value): Allow null set for sake of not always having
5365 to allocate ANTIC_SAFE_LOADS.
5366 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5367 Allow COMPONENT_REF too.
5368 (valid_in_set): Allow COMPONENT_REF.
5369 Check ANTIC_SAFE_LOADS too.
5370 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5371 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5373 (can_PRE_operation): Add COMPONENT_REF.
5374 (create_component_ref_by_pieces): New function.
5375 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5376 (insert_aux): Move AGGREGATE_TYPE_P check here.
5377 (compute_avail): Set bb local stmt uids.
5378 (pass_pre): Use TODO_update_ssa_only_virtuals.
5380 2006-02-06 Ben Elliston <bje@au.ibm.com>
5382 * configure.ac: Unconditionally disable decimal float by default.
5383 * configure: Regenerate.
5385 2006-02-06 Ben Elliston <bje@au.ibm.com>
5387 * read-rtl.c (read_name): Terminate reading on EOF.
5389 2006-02-06 Ben Elliston <bje@au.ibm.com>
5391 * dfp.c (decimal_real_arithmetic): Change second argument type
5392 from int to enum tree_code. Do not always return true, but now
5393 return result of any call to decimal_do helper functions.
5394 * dfp.h (decimal_real_arithmetic): Update prototype.
5396 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5398 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5400 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5403 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5406 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5408 * tree-vrp.c (cfg_loops): Removed.
5409 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5410 Use current_loops instead of cfg_loops. Pass flags to
5411 loop_optimizer_init.
5412 * cfgloopmanip.c (fix_loop_structure): Update only available
5414 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5415 loop_optimizer_init.
5416 * modulo-sched.c (build_loops_structure): Removed.
5417 (sms_schedule): Use loop_optimizer_init.
5418 * loop-init.c (loop_optimizer_init): Use flags to determine
5419 which properties of loops to prepare.
5420 (rtl_loop_init): Pass flags to loop_optimizer_init.
5421 * tree-ssa-sink.c (execute_sink_code): Ditto.
5422 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5423 * tree-ssa-pre.c (init_pre): Ditto.
5424 * cfgloop.h (LOOPS_NORMAL): New.
5425 (loop_optimizer_init): Declaration changed.
5427 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5429 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5430 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5432 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5434 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5436 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5437 * pa/t-pa64: Delete quadlib.c rule.
5438 * pa/x-ada: Revert last change.
5439 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5441 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5443 PR rtl-optimization/26087
5444 * rtlanal.c (canonicalize_condition): Do not cross basic block
5447 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5450 * config/ia64/ia64.c: Include debug.h.
5451 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5452 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5453 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5454 (process_epilogue, process_set, process_for_unwind_directive):
5455 Output unwind info only if requested. Add CFA info if requested.
5456 Add new arguments as needed. Adjust callers.
5457 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5459 (DWARF2_FRAME_INFO): Define to zero.
5460 * config/ia64/unwind-ia64.c: Remove code that compensated for
5461 the CFA offset error fixed above.
5462 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5463 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5464 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5465 -funwind-tables and -fexceptions to enable frame info.
5466 (dwarf2out_frame_init): Define initial CFA even if
5467 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5468 DWARF2_UNWIND_INFO is nonzero, not just defined.
5469 (dwarf2out_frame_finish): Output non-EH call frame info only
5470 if DWARF2_FRAME_INFO is nonzero.
5471 (convert_cfa_to_loc_list,
5472 compute_frame_pointer_to_cfa_displacement): Define even if
5473 unwind info is not supported.
5474 (gen_subprogram_die): Use the above unconditionally. Remove
5475 legacy alternate code.
5476 * toplev.c (compile_file): Compile in call to
5477 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5478 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5480 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5481 Jakub Jelinek <jakub@redhat.com>
5483 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5484 IBM extended float format long double as "g" on powerpc*-linux.
5486 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5489 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5490 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5492 2006-02-03 Jason Merrill <jason@redhat.com>
5495 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5498 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5499 on the return slot if it's an NRV.
5501 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5503 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5504 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5505 rewrite_use): Do not handle USE_OUTER.
5506 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5507 add_iv_outer_candidates, may_replace_final_value,
5508 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5509 (find_interesting_uses_op): Functionality of
5510 find_interesting_uses_outer_or_nonlin moved here.
5511 (find_interesting_uses_outside): Use find_interesting_uses_op.
5513 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5516 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5518 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5519 Ulrich Weigand <uweigand@de.ibm.com>
5522 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5523 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5524 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5525 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5527 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5528 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5529 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5530 Define secondary reloads for TFmode moves.
5531 (constant_modes): Add TFmode.
5532 (NR_C_MODES): Set to 8.
5533 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5535 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5536 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5537 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5538 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5539 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5540 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5541 (FPR mode macro): Add TFmode.
5542 (DSF mode macro): New.
5543 (<de>, <dee> mode attributes): Removed.
5544 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5545 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5546 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5547 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5548 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5549 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5550 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5551 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5552 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5553 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5554 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5555 "*negabs<mode>2", "sqrt<mode>2"):
5556 Changed <de> to <xde>. R constraint replaced by <Rf>.
5557 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5559 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5560 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5561 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5563 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5564 "extenddftf2", "extendsftf2"): New expanders.
5565 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5566 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5567 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5568 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5570 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5571 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5572 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5573 __floatditf): Add a GCC_4.1.0 symbol version tag.
5574 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5577 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5580 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5581 Use targetm.binds_local_p instead of TREE_PUBLIC.
5583 2006-02-02 Roger Sayle <roger@eyesopen.com>
5585 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5586 on INTEGER_TYPEs to indicate that it denotes a character type.
5587 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5588 signed_char_type_node, unsigned_char_type_node and char_type_node.
5589 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5590 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5591 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5593 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5594 Daniel Berlin <dberlin@dberlin.org>
5596 * tree-tailcall.c (arg_needs_copy_p): New function.
5597 (eliminate_tail_call): Use arg_needs_copy_p.
5598 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5599 (add_virtual_phis): New function.
5601 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5603 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5604 #ignore instead of #scratch for %g7 .register directive.
5606 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5608 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5611 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5613 * flow.c (calculate_global_regs_live): Assert that there aren't any
5616 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5618 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5620 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5621 bsi_after_labels iterator.
5622 * tree-if-conv.c (find_phi_replacement_condition,
5623 replace_phi_with_cond_modify_expr): Likewise.
5624 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5625 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5627 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5629 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5631 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5634 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5635 array after growing it.
5637 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5640 * fold-const.c (fold_checksum_tree): Change type of buf.
5642 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5644 * reload.c (push_secondary_reload): Initialize t_icode.
5646 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5648 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5649 -msoft-float -mlong-double-128 only issue a warning, but don't
5650 swich to DFmode long double.
5652 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5654 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5655 has a constant equivalent, iterate over equivalents for arg0,
5656 calling simplify_relational_operation and if there's a result
5657 cheaper than X, apply fold_rtx and return the result.
5659 2006-02-01 Jan Hubicka <jh@suse.cz>
5661 * opts.c (no_unit_at_a_time_default): New global variable.
5662 (decode_options): Use it.
5663 * opts.h (no_unit_at_a_time_default): Declare.
5665 2006-02-01 Paul Brook <paul@codesourcery.com>
5667 * function.c (assign_parm_setup_reg): Use function argument promotion
5669 * expr.c (expand_expr_real_1): Use function argument promotion rules
5672 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5674 * gcc.c (process_command): Change j to 'unsigned int'.
5676 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5679 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5680 Use the corrected index for the character
5681 out of the string constant.
5683 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5685 * mode-switching.c (optimize_mode_switching): Fix size
5686 allocated for bb_info[n_entities].
5688 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5690 * gcc.c (main): Correct type that is allocated for
5691 explicit_link_files.
5693 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5695 * config/s390/s390.c (init_alignment_context): Set
5696 ALIAS_SET_MEMORY_BARRIER on the MEM.
5697 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5699 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5702 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5704 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5707 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5709 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5710 * regrename.c: Ditto.
5711 * tree-ssa-loop-im.c: Ditto.
5712 * tree-dump.c: Ditto.
5713 * tree-complex.c: Ditto.
5714 * genrecog.c: Ditto.
5715 * tree-ssa-threadupdate.c: Ditto.
5717 * java/class.c: Ditto.
5718 * java/jcf-parse.c: Ditto.
5719 * java/resource.c: Ditto.
5720 * java/except.c: Ditto.
5721 * java/jvspec.c: Ditto.
5722 * java/jcf-write.c: Ditto.
5723 * java/jcf-path.c: Ditto.
5724 * java/gjavah.c: Ditto.
5725 * java/zextract.c: Ditto.
5726 * java/jcf-io.c: Ditto.
5727 * java/jcf.h: Ditto.
5728 * java/buffer.c: Ditto.
5729 * java/lang.c: Ditto.
5730 * java/parse-scan.y: Ditto.
5731 * java/lex.c: Ditto.
5732 * java/lex.h: Ditto.
5733 * cfgloopmanip.c: Ditto.
5734 * postreload-gcse.c: Ditto.
5735 * tree-ssa-loop-manip.c: Ditto.
5736 * postreload.c: Ditto.
5737 * tree-ssa-loop-ch.c: Ditto.
5741 * diagnostic.c: Ditto.
5743 * genoutput.c: Ditto.
5745 * cfghooks.c: Ditto.
5746 * cfgloopanal.c: Ditto.
5747 * objc/objc-act.c: Ditto.
5749 * genextract.c: Ditto.
5750 * genautomata.c: Ditto.
5751 * pretty-print.c: Ditto.
5753 * cgraphunit.c: Ditto.
5756 * haifa-sched.c: Ditto.
5757 * dominance.c: Ditto.
5759 * tree-ssa-loop-ivopts.c: Ditto.
5761 * mode-switching.c: Ditto.
5762 * modulo-sched.c: Ditto.
5764 * ipa-pure-const.c: Ditto.
5766 * fix-header.c: Ditto.
5768 * tree-stdarg.c: Ditto.
5769 * ipa-utils.c: Ditto.
5770 * loop-init.c: Ditto.
5771 * ipa-inline.c: Ditto.
5774 * alloc-pool.c: Ditto.
5775 * dwarf2out.c: Ditto.
5777 * genattrtab.c: Ditto.
5778 * tree-ssa-loop-ivcanon.c: Ditto.
5782 * fortran/gfortranspec.c: Ditto.
5784 * local-alloc.c: Ditto.
5785 * langhooks.c: Ditto.
5786 * function.c: Ditto.
5787 * tree-vectorizer.c: Ditto.
5789 * ipa-type-escape.c: Ditto.
5791 * tree-if-conv.c: Ditto.
5794 * tree-data-ref.c: Ditto.
5795 * loop-unroll.c: Ditto.
5796 * treelang/treetree.c: Ditto.
5799 * ggc-common.c: Ditto.
5801 * coverage.c: Ditto.
5803 * tree-cfgcleanup.c: Ditto.
5804 * tree-ssa-pre.c: Ditto.
5805 * cfgcleanup.c: Ditto.
5806 * loop-invariant.c: Ditto.
5808 * ipa-prop.c: Ditto.
5809 * print-tree.c: Ditto.
5810 * conflict.c: Ditto.
5811 * ggc-page.c: Ditto.
5812 * sched-deps.c: Ditto.
5813 * regclass.c: Ditto.
5814 * tree-object-size.c: Ditto.
5816 * bb-reorder.c: Ditto.
5817 * resource.c: Ditto.
5818 * var-tracking.c: Ditto.
5820 * df-problems.c: Ditto.
5821 * reg-stack.c: Ditto.
5824 * sched-rgn.c: Ditto.
5825 * tree-ssa-structalias.c: Ditto.
5826 * tree-ssa-reassoc.c: Ditto.
5827 * config/darwin-c.c: Ditto.
5828 * config/darwin.c: Ditto.
5829 * config/arm/arm.c: Ditto.
5831 * collect2.c: Ditto.
5834 2006-01-31 Nicolas Pitre <nico@cam.org>
5836 * arm.md (smaxsi3): Make aware of smax_m1.
5839 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5841 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5843 2006-01-31 Richard Guenther <rguenther@suse.de>
5845 * doc/invoke.texi (-msselibm): Document.
5846 * target.h (expand_library_builtin): New target hook.
5847 * builtins.c (expand_builtin): Use expand_library_builtin.
5848 (default_expand_library_builtin): New function.
5849 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5850 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5851 (link_gcc_math_spec): Declare.
5852 (static_specs): Add link_gcc_math_spec.
5853 * expr.h (default_expand_library_builtin): Declare.
5854 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5855 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5856 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5857 * config/i386/i386.opt (msselibm): New target option.
5858 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5859 (ix86_init_sse_abi_builtins): New function.
5860 (ix86_expand_library_builtin): Likewise.
5861 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5862 (override_options): Handle error conditions wrt -msselibm.
5863 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5864 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5865 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5868 2006-01-31 Richard Guenther <rguenther@suse.de>
5869 Paolo Bonzini <bonzini@gnu.org>
5871 * doc/install.texi (--disable-libgcc-math): Document.
5873 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5875 * expr.h (expand_normal): new inline function.
5876 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5878 * dwarf2out.c: use it.
5883 * config/sparc/sparc.c: use it.
5884 * config/i386/i386.c: use it.
5885 * config/rs6000/rs6000.c: use it.
5886 * config/arm/arm.c: use it.
5887 * config/mips/mips.c: use it.
5888 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5890 2006-01-30 Roger Sayle <roger@eyesopen.com>
5892 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5893 argv to the appropriate type.
5895 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5897 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5900 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5903 * config/s390/s390.c (struct machine_function): New flag
5904 decomposed_literal_pool_addresses_ok_p.
5905 (s390_reorg): Set it before final stage of literal pool transforms.
5906 (s390_decompose_address): Only accept displacements of the form
5907 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5909 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5911 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5912 the comparison routine return.
5914 2006-01-30 Michael Matz <matz@suse.de>
5916 * global.c (find_reg): Only evict for global regs.
5917 Take n_refs into account and dump more info.
5919 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5922 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5923 (pragma_trap, pragma_nosave_low_regs): Likewise.
5924 (current_function_anonymous_args): Likewise.
5925 (sh_deferred_function_attributes): New variable.
5926 (sh_deferred_function_attributes_tail): Likewise.
5927 (print_operand): For '@', look up trap_exit attribute.
5928 (calc_live_regs): Look up trapa_handler attribute. For trapa
5929 handlers, save/restore fpscr, but don't do any other
5930 interrupt-specific saves.
5931 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5932 Fix check for partially saved registers to check for SHmedia.
5933 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5934 (sh_output_function_epilogue): Don't clear any of the removed
5936 (sh_insert_attributes): Don't check pragma_interrupt.
5937 Insert deferred attributes. Check that interrupt attribute is
5938 present for other attributes that require its presence.
5939 (sh_attribute_table): Add new attributes trapa_handler and
5941 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5942 Don't check for pragma_interrupt. Don't store argument.
5943 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5944 (sh_deferred_function_attributes): Declare.
5945 (sh_deferred_function_attributes_tail): Likewise.
5946 * sh.md (sp_switch_1): Add operand. Change generator caller.
5947 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5948 (*return_i): Don't use when trap_exit attribute is in effect.
5949 (*return_trapa): New insn pattern.
5951 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5952 setting c_target_objs and cxx_target_objs.
5953 * t-sh: Add rule for sh-c.o.
5955 2006-01-30 Richard Guenther <rguenther@suse.de>
5958 * gimplify.c (gimplify_target_expr): Handle easy cases
5959 without creating a temporary.
5961 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5963 * vec.h (safe_grow): Remove duplicated line.
5965 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5968 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5969 (expand_omp): ... here.
5970 (expand_omp_parallel): Only remove barriers for combined
5971 parallel+workshare constructs.
5973 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5977 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5978 * tree.c (build_qualified_type): Chain the new type to the original
5979 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5980 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5981 (build_pointer_type_for_mode): Only return unqualified types.
5982 (build_reference_type_for_mode): Likewise.
5984 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5986 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5987 * Makefile.in (CXX_COMPAT_WARN): Define.
5988 * configure: Regenerate.
5990 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5993 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5996 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5998 * toplev.c: Fix thinko.
6000 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6001 Marcin Dalecki <martin@dalecki.de>
6003 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6004 (push_srcloc): Use XNEW.
6005 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6007 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6009 * df-core.c (df_set_blocks): Deleted all variable.
6011 2006-01-28 Ian Lance Taylor <ian@airs.com>
6013 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6014 cgraph_output_pending_asms.
6016 2006-01-28 Zack Weinberg <zackw@panix.com>
6018 * c.opt: Add -W(no-)overlength-strings.
6019 * doc/invoke.texi: Document it.
6020 * c-opts.c (c_common_handle_option): -pedantic implies
6021 -Woverlength-strings, if not explicitly disabled already.
6022 (c_common_post_options): -Woverlength-strings defaults to off, and
6023 is always off for C++.
6024 * c-common.c (fix_string_type): Issue warning about strings longer
6025 than is portable only if warn_overlength_strings. Rearrange code
6026 a little for clarity.
6027 * configure.in: Check for -Wno-overlength-strings as well before
6028 enabling -pedantic in stage 1.
6029 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6030 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6032 * genconditions.c (write_header, write_one_condition)
6033 (write_conditions, write_writer): Consolidate very long strings
6034 that were broken up to fit in C89 portable limit. Don't use
6035 printf when fputs will do.
6037 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6039 * combine.c (simplify_comparison <AND>): Check
6040 TRULY_NOOP_TRUNCATION before start using a subreg.
6042 * config/mips/mips.md (*branch_zero<mode>,
6043 *branch_zero<mode>_inverted, *branch_equality<mode>,
6044 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6045 Remove mode check from comparisons.
6047 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6049 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6051 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6053 * expmed.c (const_mult_add_overflow_p): Remove.
6054 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6056 * recog.c (validate_replace_rtx_subexp): Remove.
6057 * recog.h: Remove the prototype for
6058 validate_replace_rtx_subexp.
6060 * integrate.h: Remove the prototype for
6061 copy_decl_for_inlining.
6062 * rtl.h: Remove the prototype for mark_constant_function.
6063 * tree-vectorizer.h: Remove the prototype for
6064 vect_strip_conversion.
6066 * modulo-sched.c (create_partial_schedule,
6067 free_partial_schedule, reset_partial_schedule): Make them
6070 * hooks.c (hook_bool_rtx_int_false): Remove.
6071 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6073 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6075 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6076 and -mlong-double-128 are incompatible.
6077 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6078 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6079 (TARGET_LIBGCC2_CFLAGS): Define.
6080 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6081 (TARGET_LIBGCC2_CFLAGS): Same.
6082 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6084 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6087 * c-typeck.c (build_binary_op): Perform implicit casts of
6088 operands before shortening them.
6090 * cfgloopmanip.c (split_loop_bb): Remove.
6091 * cfgloop.h: Remove the prototype for split_loop_bb.
6093 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6094 * cfgloop.h: Remove the prototype for
6095 flow_loop_outside_edge_p.
6097 * emit-rtl.c (init_virtual_regs): Make it static.
6098 * function.h: Remove the prototype for init_virtual_regs.
6100 * recog.c (peephole2_optimize): Make it static.
6101 * recog.h: Remove the prototype for peephole2_optimize.
6103 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6105 * df-scan.c (df_record_entry_block_defs): Check if
6106 INCOMING_RETURN_ADDR_RTX is defined.
6108 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6109 Kenneth Zadeck <zadeck@naturalbridge.com>
6111 PR rtl-optimization/24762
6112 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6113 * targhooks.c (hook_void_bitmap): New hook prototype.
6114 * targhoohs.h (hook_void_bitmap): Ditto.
6115 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6116 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6117 * target.h (live_on_entry): New function pointer.
6118 * df-scan.c (df_all_hard_regs): Removed.
6119 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6120 (df_scan_free_internal): Added df->entry_block_defs.
6121 (df_scan_alloc): Ditto.
6122 (df_scan_dump): Ditto.
6123 (df_uses_record): Plumbed flag field properly thru calls.
6124 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6125 This part fixes PR24762.
6126 (df_bb_refs_record): Added code to make the frame and arg
6127 pointers live in EH blocks.
6128 (df_refs_record): Added call to df_record_entry_block_defs.
6129 (df_record_entry_block_defs): New function.
6130 * df-core.c: Added comments to describe new artifical defs.
6131 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6132 (entry_block_defs): New field in struct df.
6133 (df_all_hard_regs): Deleted.
6134 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6135 * df-problems.c (df_ru_bb_local_compute_process_def):
6136 Added code to handle artifical defs in the entry to a function.
6137 (df_ru_bb_local_compute): Ditto.
6138 (df_rd_bb_local_compute_process_def): Ditto.
6139 (df_rd_bb_local_compute): Ditto.
6140 (df_lr_bb_local_compute): Ditto.
6141 (df_ur_bb_local_compute): Ditto.
6142 (df_urec_bb_local_compute): Ditto.
6143 (df_chain_create_bb): Ditto.
6144 (df_ur_local_finalize): Removed entry.
6145 (df_urec_init): Ditto.
6146 (df_urec_local_finalize): Ditto.
6147 (df_ri_bb_compute): Added detection of last use of pseudos.
6148 * Makefile.in (df-scan.o): Updated dependencies.
6149 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6150 * config/mips/mips.c (mips_set_live_on_entry): Added.
6151 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6153 * dce.c (marked_insn_p): Added code to handle artifical defs.
6155 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6157 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6159 (_mm_cvtsi128_si64): Likewise.
6160 (_mm_cvtsd_si64): Likewise.
6161 (_mm_cvttsd_si64): Likewise.
6162 (_mm_cvtsi64_sd): Likewise.
6163 (_mm_cvtsi64_si128): Likewise.
6164 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6165 (_mm_cvtsi64_m64): Likewise.
6166 (_m_to_int64): Likewise.
6167 (_mm_cvtm64_si64): Likewise.
6168 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6169 (_mm_cvttss_si64): Likewise.
6170 (_mm_cvtsi64_ss): Likewise.
6171 (_mm_cvtss_f32): Likewise.
6173 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6175 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6176 for pragma redefine_extname.
6178 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6181 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6182 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6183 -mno-minimal-toc to previous content.
6184 (bispecs): Remove goal.
6185 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6186 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6187 compatibility aliases on powerpc-*-*gnu*.
6188 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6189 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6190 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6191 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6192 (ldblspecs): New goal.
6193 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6194 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6196 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6197 L_sf_to_tf or L_df_to_tf is defined.
6199 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6200 Alan Modra <amodra@bigpond.net.au>
6203 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6204 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6205 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6206 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6207 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6208 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6209 (rs6000_override_options): Initialize rs6000_ieeequad.
6210 Initialize TFmode format to ibm_extended_format if not
6212 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6214 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6215 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6216 (function_arg_advance): IBM long double passed in two FPRs, not
6218 (function_arg): IBM long double passed in FPRs.
6219 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6220 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6221 Only multireg GPR aligned.
6222 (rs6000_init_libfuncs): Enable IBM long double functions if not
6224 (rs6000_generate_compare): Use IBM long double compare if not
6226 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6227 (TARGET_IEEEQUAD): Define.
6228 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6229 not TARGET_IEEEQUAD.
6230 * config/rs6000/rs6000.md: Enable TFmode patterns if
6232 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6233 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6234 and -mlong-double-128 are incompatible.
6235 * doc/invoke.texi (-mabi): Collect options together. Add
6236 ibmlongdouble and ieeelongdouble.
6238 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6240 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6242 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6243 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6244 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6245 * rtl.h (rtunion_def): Remove rt_ptr.
6247 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6248 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6249 * config/i386/winnt.c (i386_pe_mark_dllexport)
6250 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6252 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6254 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6256 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6260 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6261 pthread_key_delete. From John David Anglin. gthrw-ify
6262 pthread_getunique_np only if it it's not a macro. Delete
6264 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6265 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6266 __gthread_objc_condition_signal, __gthread_key_delete): Add
6267 "__attribute__ ((__unused__))" to unused arguments.
6268 (__gthread_recursive_mutex_init_function): Add missing return.
6269 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6270 gthr-posix95.h: Use macro-based approach for name redirection
6271 on targets missing weakref.
6273 2006-01-26 Zack Weinberg <zackw@panix.com>
6275 * genconditions.c (write_header): In generated code, #ifdef out
6276 all includes and fake declarations, except includes of bconfig.h
6277 and system.h, unless GCC_VERSION >= 3001. Do not include
6278 gensupport.h in any case.
6279 (write_conditions): Generate a definition of struct c_test. Add
6280 a comment to the generated #endif.
6281 (write_one_condition): Escape backslashes in string too.
6282 (write_writer): Generated code must escape backslashes and quote
6283 marks (but not newlines) in the strings it writes.
6284 * Makefile.in (build/gencondmd.o): Update dependencies.
6286 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6289 * Makefile.in (insn-automata.o): Add header file dependencies.
6290 * genautomata.c: Add includes.
6292 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6295 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6297 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6299 * configure.ac: Expect target tools paths to be passed from the toplevel
6300 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6302 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6304 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6307 * c.opt (Wpointer-sign): Init to -1.
6308 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6309 OPT_pedantic, to 0 otherwise.
6310 * doc/invoke.texi: Update.
6312 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6314 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6315 constants provided by 80387 instructions in the destination mode.
6317 2006-01-26 Richard Guenther <rguenther@suse.de>
6318 Andrew Pinski <pinskia@physics.uc.edu>
6321 partial PR tree-opt/17064
6322 * tree-ssa-structalias.c (intra_create_variable_infos):
6323 Create heap variables for incoming parameters if
6324 flag_argument_noalias > 1.
6325 (find_what_p_points_to): Look through default defs of
6328 2006-01-26 Jeff Law <law@redhat.com>
6331 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6332 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6333 within the VR_RANGE, use the VR_RANGE as the result, not the
6335 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6336 bounds for the type.
6338 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6340 * tree-ssa-alias.c (maybe_create_global_var): Change
6341 subvar walking to an assertion that we don't have subvar'd variables.
6343 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6346 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6347 Use a new variable, inner. PARM_DECLs are always non-weak.
6349 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6351 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6354 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6356 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6358 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6360 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6361 (smax_insn, smin_insn, smax_0, smin_0): New.
6363 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6366 * config/cris/cris.c (cris_order_for_addsi3): New function.
6367 * config/cris/cris-protos.h: Prototype it.
6368 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6369 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6370 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6371 (split for "op.S1 [rx=rx+i],ry (swapped)")
6372 (split for "op(s|u).S1 [rx=rx+i],ry")
6373 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6374 Apply cris_order_for_addsi3 when generating addsi3 insns.
6376 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6378 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6379 (TREE_BLOCK): Add call to EXPR_CHECK.
6381 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6384 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6385 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6386 (dump_omp_clauses): ... here.
6387 (dump_generic_node): Handle OMP_CLAUSE.
6388 * tree.c (omp_clause_num_ops): New.
6389 (omp_clause_code_name): New.
6390 (tree_code_size): Handle OMP_CLAUSE.
6391 (tree_size): Likewise.
6392 (make_node): Document handling of OMP_CLAUSE.
6393 (tree_node_structure): Handle OMP_CLAUSE.
6394 (omp_clause_check_failed): New.
6395 (omp_clause_range_check_failed): New.
6396 (omp_clause_operand_check_failed): New.
6397 (build_omp_clause): New.
6398 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6399 * tree.h (enum omp_clause_code): Declare.
6400 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6401 (OMP_CLAUSE_RANGE_CHECK): Define.
6402 (OMP_CLAUSE_ELT_CHECK): Define.
6403 (omp_clause_check_failed): Declare.
6404 (omp_clause_operand_check_failed): Declare.
6405 (omp_clause_range_check_failed): Declare.
6406 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6407 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6408 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6409 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6410 (OMP_CLAUSE_IF_EXPR): Likewise.
6411 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6412 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6413 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6414 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6415 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6416 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6417 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6418 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6419 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6420 (OMP_CLAUSE_CODE): Define.
6421 (OMP_CLAUSE_SET_CODE): Define.
6422 (OMP_CLAUSE_CODE): Define.
6423 (OMP_CLAUSE_OPERAND): Define.
6424 (struct tree_omp_clause): Declare.
6425 (union tree_node): Add field 'omp_clause'.
6426 * treestruct.def (TS_OMP_CLAUSE): Define.
6427 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6428 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6429 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6430 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6431 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6432 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6433 (OMP_CLAUSE): Define.
6434 * print-tree.c (print_node): Handle OMP_CLAUSE.
6435 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6436 * c-typeck.c: Likewise.
6437 * gimplify.c: Likewise.
6438 * c-omp.c: Likewise.
6439 * tree-nested.c: Likewise.
6440 * tree-inline.c: Likewise.
6441 * c-parser.c: Likewise.
6442 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6445 2006-01-25 Roger Sayle <roger@eyesopen.com>
6447 PR rtl-optimization/25703
6448 * combine.c (try_combine): Handle zero_extract and strict_low_part
6449 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6451 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6453 * global.c: Fix comment typos.
6455 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6458 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6459 Use output_addr_const instead of assemble_name.
6461 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6463 * Makefile.in (sched-vis.o): Update dependencies.
6464 * haifa-sched.c (sched_finish): Clear current_sched_info.
6465 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6466 (dump_flow_info): Call it.
6467 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6469 * basic-block.h (dump_bb_info): Declare.
6470 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6471 option, and apply options only for dump files whose TDF_RTL,
6472 TDF_TREE, or TDF_IPA bits match.
6473 * rtl.h: Declare new functions exported from sched-vis.c.
6474 * sched-vis.c: Enable also if scheduling is not used.
6475 (print_value): Print the mode of registers if not inside scheduling.
6476 (print_insn): Make it work outside the scheduler. Beautify the output
6478 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6480 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6482 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6483 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6484 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6485 depending on the value of CONSTANT_POOL_ADDRESS_P.
6486 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6488 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6489 rather than SYMBOL_REF_DECL.
6490 (rtx_constant_pool): Remove const_rtx_sym_htab.
6491 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6492 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6493 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6494 Remove handling of const_rtx_sym_htab.
6495 (find_pool_constant): Delete.
6496 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6497 rather than find_pool_constant.
6498 (get_pool_constant_for_function): Delete.
6499 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6501 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6502 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6503 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6504 (SYMBOL_REF_CONSTANT): New macro.
6505 (get_pool_constant_for_function): Delete.
6506 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6507 rather than SYMBOL_REF_DECL.
6508 (i386_pe_mark_dllimport): Likewise.
6509 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6510 rather than SYMBOL_REF_DECL.
6511 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6512 (machopic_indirect_call_target): Likewise.
6514 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6516 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6518 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6520 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6522 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6524 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6526 2006-01-24 David Daney <ddaney@avtrex.com>
6529 * configure.ac (enable_tls): New enable option.
6530 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6531 * configure: Regenerate.
6532 * doc/install.texi (--enable-tls): Document new option.
6533 (--disable-tls): Ditto.
6535 2006-01-24 Richard Henderson <rth@redehat.com>
6537 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6538 * alias.c (true_dependence): Respect it.
6539 (canon_true_dependence, write_dependence_p): Likewise.
6540 * builtins.c (get_builtin_sync_mem): Set it.
6542 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6544 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6547 2006-01-24 DJ Delorie <dj@redhat.com>
6549 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6550 for storing constants in single-bit bitfields.
6552 2006-01-25 Ben Elliston <bje@au.ibm.com>
6554 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6556 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6559 * tree-ssa-pre.c (phi_translate): Return NULL
6560 for AGGREGATE_TYPE's.
6562 2006-01-24 Zack Weinberg <zackw@panix.com>
6564 * genautomata.c (process_state_for_insn_equiv_partition):
6565 Use xcalloc for insn_arcs_array.
6566 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6567 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6569 2006-01-24 Richard Henderson <rth@redhat.com>
6571 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6574 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6576 PR rtl-optimization/25890
6577 PR rtl-optimization/25905
6578 * combine.c (expand_compound_operation, expand_field_assignment):
6579 Fail if the bitfield's final position is out of bounds.
6581 2006-01-24 Ian Lance Taylor <ian@airs.com>
6584 * cgraphunit.c (cgraph_output_in_order): Don't clear
6585 cgraph_asm_nodes until after asm strings have been output.
6587 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6589 * fix-header.c (read_scan_file): Add new parameter imultilib when
6590 calling register_include_chains.
6592 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6594 * omp-low.c: Update documentation.
6596 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6597 Daniel Berlin <dberlin@dberlin.org>
6601 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6602 return from the function.
6604 2006-01-22 Zack Weinberg <zackw@panix.com>
6606 * rtl.def (match_code): Add second argument.
6607 * genpreds.c (write_extract_subexp): New function.
6608 (write_match_code): Add path argument. Use write_extract_subexp.
6609 (write_predicate_expr): Pass path to write_match_code.
6610 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6611 not perform a mode test.
6612 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6613 a subexpression does not constrain the top-level code set.
6614 * read-rtl.c (read_rtx_variadic): New function.
6615 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6616 * doc/md.texi: Document new notation.
6617 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6618 (cmpsi_operand): ... here, using new notation.
6620 2006-01-22 Zack Weinberg <zackw@panix.com>
6622 * varray.c: Remove GENERATOR_FILE #ifdefs.
6624 2006-01-22 Zack Weinberg <zackw@panix.com>
6626 * genautomata.c (output_reserved_units_table): Emit nothing if
6627 description->query_units_num is zero. Remove extra blank line.
6628 (output_cpu_unit_reservation_p): Short circuit
6629 if description->query_units_num is zero.
6631 2006-01-22 Zack Weinberg <zackw@panix.com>
6633 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6634 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6635 nor any of the random handful of variables that used to be necessary
6636 when this program was linked with rtlanal.o. Prune set of forward
6637 function declarations.
6638 (struct attr_desc): Remove static_p field.
6639 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6640 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6641 (attr_string): Do not read the character one past the length of
6643 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6644 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6645 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6646 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6647 (make_automaton_attrs): New.
6648 (main): Do not call into genautomata. Call local gen_bypass
6649 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6650 Remove special case for insn_alts.
6651 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6652 varray.h (leftover from previous change). Prune set of forward
6653 function declarations. Remove state_alts fields from all
6654 structures. Remove state_alts_table from struct automaton.
6655 Make everything except main static. Do not maintain num_dfa_decls.
6656 Do not maintain state_alts fields of various structures.
6657 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6658 (add_arc): Remove state_alts argument. All callers updated.
6659 (output_reserved_units_table): Emit #ifdef here...
6660 (output_tables): ...not here. Don't generate state_alts tables.
6661 (expand_automata): Don't generate attributes.
6662 (write_automata): Don't generate state_alts functions.
6663 (main): New function.
6664 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6665 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6666 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6667 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6668 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6669 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6670 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6671 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6673 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6674 * genattrtab.h: Delete file.
6675 * Makefile.in (OBJS-common): Add insn-automata.o.
6676 (insn-automata.o): New rule.
6677 (simple_generated_c): Add insn-automata.c.
6678 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6679 (genprogmd): Add automata.
6680 (build/genattrtab): Needs no extra objects nor libraries.
6681 (build/genautomata): Needs build/vec.o and -lm.
6683 2006-01-22 Zack Weinberg <zackw@panix.com>
6685 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6686 (output_dfa_max_issue_rate, locked_states_num): Delete.
6687 (struct automaton): Add locked_states field.
6688 (output_dead_lock_vect): Save number of locked states in
6689 automaton->locked_states. If it is zero, don't print anything.
6690 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6691 (output_internal_dead_lock_func): Only test the dead_lock_vect
6692 for automata that have locked states.
6693 (output_statistics): Always print the number of locked states for
6694 each automaton. Calculate total number of locked states here.
6695 (write_automata): Don't call output_dfa_max_issue_rate.
6696 * genattrtab.c: Define length_unit_log as a const variable.
6697 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6698 max_insn_queue_index const.
6699 * final.c (length_unit_log): Declare const.
6700 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6702 2006-01-22 Zack Weinberg <zackw@panix.com>
6704 * genautomata.c: Include vec.h, not varray.h.
6705 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6706 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6707 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6708 VEC_* macros operating on appropriately typed vectors, or to
6709 malloced arrays when the size is known in advance. Const-ify
6710 many char* variables and function arguments. No functional changes.
6711 * Makefile.in (build/varray.o): Delete rule.
6712 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6713 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6715 2006-01-22 Zack Weinberg <zackw@panix.com>
6717 * gensupport.c: Define get_insn_name and record_insn_name here.
6718 (read_md_rtx): Call record_insn_name as appropriate.
6719 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6720 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6721 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6723 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6724 (BUILD_VARRAY): Delete.
6725 (genprognormal): Rename genprogmd. Fold in all programs from
6726 genprognoprint; also attrtab.
6727 (build/genattrtab): Just mention genautomata.o and varray.o.
6728 Reorganize a bit, add comments to make the categories clearer.
6730 2006-01-22 Zack Weinberg <zackw@panix.com>
6732 * genconditions.c (condition_table, add_condition): Delete.
6733 (write_conditions): Don't emit n_insn_conditions nor
6734 insn_elision_unavailable. Issue the gcc version #ifdef here,
6735 inside the table, with no #else clause ...
6736 (write_header): ...not here.
6737 (write_writer): New function.
6738 (main): Don't initialize condition_table. Use add_c_test.
6740 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6741 files on the command line.
6742 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6743 Return -1 if there is no entry in the table, don't abort.
6744 (add_c_test, traverse_c_tests): New functions.
6745 * gensupport.h (insn_elision_unavailable, insn_conditions)
6746 (n_insn_conditions): Delete declarations.
6747 (add_c_test, traverse_c_tests): Declare.
6748 * read-rtl.c: Include gensupport.h.
6749 (read_conditions): New function.
6750 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6751 (read_rtx_1): If we get EOF when we were looking for an initial
6752 open paren, return 0. Call read_conditions when appropriate.
6753 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6754 dummy-conditions.o. Eliminate references to insn-conditions.o,
6755 or change them to build/gencondmd.o, as appropriate. Remove
6756 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6757 from $(simple_generated_c). For all files remaining in those
6758 two lists, add insn-conditions.md to the generator command line.
6759 Give insn-constants.h/s-constants their own rules. Add rules
6760 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6761 (build/read-rtl.o): Depend on gensupport.h.
6762 (genprognormal): Include preds.
6763 (genprogearly): Rename genprognoprint; only difference is now that
6764 they don't link with $(BUILD_PRINT).
6765 * dummy-conditions.c: Delete.
6767 2006-01-22 Zack Weinberg <zackw@panix.com>
6769 * genextract.c: Don't include insn-config.h. Do include vec.h.
6770 Declare vectors of int, char, and locstr.
6771 (locstr): New typedef.
6772 (struct extraction): Make all array fields into bare pointers.
6773 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6774 (insn_code_number): Delete.
6775 (accum_extract): New struct.
6776 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6777 (gen_insn): Take insn_code_number as an argument. Use an
6778 accum_extract structure instead of loading data directly into
6779 a struct extraction, and having to know how big it might get.
6780 (walk_rtx): Operate entirely on an accum_extract structure.
6781 (print_path): Avoid unnecessary use of printf.
6782 (print_header): New function, split out of main. Distinguish
6783 more carefully between an unrecognizable insn and an insn that
6784 has the code number of a define_expand.
6785 (main): Pass insn_code_number to gen_insn. Call print_header
6786 only after parsing. Avoid unnecessary use of printf.
6787 * Makefile.in (build/vec.o): New rule.
6788 (build/genextract): Depend on build/vec.o.
6789 (build/genextract.o): Don't depend on insn-config.h.
6791 2006-01-22 Zack Weinberg <zackw@panix.com>
6793 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6794 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6795 practical. Eliminate per-generator-program link rules.
6797 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6800 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6801 with a call expr to ...
6802 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6804 2006-01-23 Richard Guenther <rguenther@suse.de>
6806 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6807 before make_edge with conditional EDGE_TRUE_VALUE.
6809 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6810 Jan Hubicka <jh@suse.cz>
6811 Richard Guenther <rguenther@suse.de>
6813 PR rtl-optimization/25654
6814 * cfgexpand.c (aggregate_contains_union_type): New function.
6815 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6816 for structure variables that contain a union type.
6818 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6820 * gengtype.c (new_structure): Return the structure.
6821 (create_option): Add an extra "next" argument.
6822 (create_field): New function.
6823 (adjust_field_rtx_def): Use create_option and create_field.
6824 Remove a now-unnecessary call to find_structure.
6825 (adjust_field_tree_def): Likewise.
6826 (note_yacc_type): Remove an unnecessary call to find_structure.
6827 * gengtype.h (new_structure): Return the structure.
6828 (create_option): Add an extra argument.
6829 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6830 (option): Adjust calls to create_option.
6832 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6834 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6836 2006-01-22 Paul Brook <paul@codesourcery.com>
6837 Peter Barada <peter@the-baradas.com>
6839 * config/m68k/m68k.md: Add Coldfire FPU support.
6840 Define FP mode macro and associated attributes.
6841 Use it for float mode patterns.
6842 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6843 (LIBCALL_VALUE): Use m68k_libcall_value.
6844 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6845 (m68k_function_value): Ditto.
6846 (emit_move_sequence): Ditto.
6847 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6848 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6849 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6850 (MULTILIB_EXCEPTIONS): Ditto.
6851 * config/m68k/m68k.opt: Add mcfv4e.
6852 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6853 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6854 (m68k_output_function_prologue): Save ColdFire FPU registers.
6855 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6856 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6857 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6858 ColdFire FPU registers.
6859 (m68k_libcall_value, m68k_function_value): New functions.
6860 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6861 (LIBCALL_VALUE): Use m68k_libcall_value.
6862 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6863 (MASK_COLDFIRE): Add MASK_CFV4E.
6864 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6865 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6866 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6867 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6868 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6869 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6870 * doc/invoke.tex: Document -mcfv4e on m68k.
6872 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6874 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6877 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6880 * c-opts.c (c_common_handle_option): Don't include
6881 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6882 * doc/invoke.texi (C++ Dialect Options): Document that
6883 -Wnon-virtual-dtor is no longer included in -Wall.
6885 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6887 * gcov.c (print_version), gcov-dump.c (print_version),
6888 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6891 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6893 * df-scan.c (problem_SCAN): Added NULL reset function.
6894 (df_scan_reset_blocks): Added code to call reset block function
6895 (df_bb_refs_delete) Fixed comment.
6896 (df_insn_refs_delete): Made tolerant of deleting non existent info
6897 for dataflow problems that need to be reset.
6898 * df-core.c (df_set_blocks): Ditto.
6899 * df.h (struct df_problem): Added reset_fun.
6900 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6901 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6902 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6903 functions to clear out all references to def-use or use-def chains.
6905 2006-01-21 Ben Elliston <bje@au.ibm.com>
6907 * varasm.c (assemble_real): Initialise data array.
6909 2006-01-20 Paul Brook <paul@codesourcery.com>
6911 Merge from csl-arm-branch.
6912 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6913 * config/arm/arm.md (movdi): Force operands[1] to a register
6914 if we have a non-register source.
6915 (*arm_movdi, *movdf_soft_insn): Require that one of the
6916 operands be a register.
6917 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6918 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6920 2006-01-20 DJ Delorie <dj@redhat.com>
6922 * varasm.c (initialize_constant_valid_p): Allow pointers
6923 initialized from integer constants of lesser precision.
6924 (output_constant): Allow non-int-sized pointer modes to be
6925 initialized from integer constants.
6927 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6930 * cppdefault.h (struct default_include): Add multilib flag.
6931 * cppdefault.c (cpp_include_defaults): Set it.
6932 * c.opt (-imultilib): New option.
6933 * c-opts.c (imultilib): New.
6934 (c_common_handle_option): Handle -imultilib.
6935 (c_common_post_options): Likewise.
6936 * c-incpath.c (add_standard_paths, register_include_chains):
6938 * c-incpath.h (register_include_chains): Add extra parameter.
6939 * gcc.c (do_spec_1): Generate -imultilib option.
6940 (The Specs Language): Update %I description.
6941 (process_command): Update copyright notice.
6942 * doc/cppopts.texi (-imultilib): Document.
6943 * doc/invoke.texi (-imultilib): Include in option summary.
6944 (%I): Update specs documentation.
6946 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6948 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6950 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6952 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6955 2006-01-20 Richard Guenther <rguenther@suse.de>
6956 Steven Bosscher <stevenb.gcc@gmail.com>
6958 PR rtl-optimization/24626
6959 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6960 EDGE_TRUE_VALUE if in RTL mode.
6963 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6964 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6966 2006-01-20 Dirk Mueller <dmueller@suse.com>
6969 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6970 instead of a special NOP marker.
6971 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6972 NOP marker handling.
6973 * c-common.h (empty_body_warning): Add forward declaration.
6974 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6975 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6977 2006-01-20 Paul Brook <paul@codesourcery.com>
6979 * Makefile.in (lang_checks): Keep going if mkdir fails.
6981 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6983 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6984 be able to clean out basic block when not necessary.
6985 (df_scan_free): Fixed to properly delete information if df is
6986 unused before calling df_finish.
6987 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6988 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6990 (df_bb_refs_delete): New function.
6991 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6992 * df-core.c (df_set_blocks): Added code to properly clean out
6993 unused blocks if they are not part of the blocks to consider.
6994 Added additional null check.
6995 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6996 be able to clean out basic block when not necessary
6997 * df.h (df_free_bb_function): Ditto.
6998 (df_bb_refs_delete): New function.
6999 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7000 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7001 basic block parameter to be able to clean out basic block when not
7003 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7004 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7005 Fixed to properly delete information if df is unused before
7008 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7010 PR rtl-optimization/25799
7011 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7012 Corrected confluence operator to remove bits from op2 before oring
7013 with op1 rather than removing bits from op1.
7014 (df_ru_transfer_function): Corrected test on wrong bitmap which
7015 caused infinite loop. Both of these problems were introduced in
7016 the dataflow rewrite.
7018 2006-01-19 DJ Delorie <dj@redhat.com>
7020 * reload1.c (find_reload_regs): Note the details of reload
7021 failures in the dump file.
7022 (spill_failure): Likewise.
7024 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7026 * loop-iv.c: Include df.h and hashtab.h.
7027 (enum iv_grd_result): New enum.
7028 (DF_REF_IV, DF_REF_IV_SET): New macros.
7029 (struct biv_entry): New.
7030 (df, bivs): New global variables.
7031 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7032 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7034 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7035 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7036 analyzed_for_bivness_p, record_biv): New functions.
7037 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7038 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7039 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7041 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7043 (iv_number_of_iterations): Use new interface to iv analysis.
7044 * loop-unroll.c: Do not include varray.h.
7045 (analyze_iv_to_split_insn): Use new interface to iv
7047 * loop-unswitch.c (may_unswitch_on): Ditto.
7048 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7050 (df_bb_modify): Realloc tables to the new index.
7051 (df_find_use): New function.
7052 * df.h (df_find_use): Declare.
7053 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7055 * cfgloop.h (struct rtx_iv): Remove analysed field.
7056 (iv_get_reaching_def): Removed.
7057 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7058 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7059 (loop-iv.o): Add df.h and hashtab.h dependency.
7060 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7062 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7065 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7067 (__floatundisf, __floatundidf): Likewise.
7068 * libgcc2.h (IS_IBM_EXTENDED): Define.
7070 2006-01-19 DJ Delorie <dj@redhat.com>
7072 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7074 2006-01-19 Paul Brook <paul@codesourcery.com>
7076 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7077 as nothrow when unwinding tables are disabled.
7079 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7082 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7083 of bit-field" when in system header.
7085 2006-01-19 DJ Delorie <dj@redhat.com>
7087 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7088 the 16 bit shift limit of the m16c.
7090 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7093 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7094 * config/i386/i386.c (output_set_got): Output the label if we have one
7095 for the TARGET_DEEP_BRANCH_PREDICTION case.
7097 2006-01-19 Jan Hubicka <jh@suse.cz>
7098 H.J. Lu <hongjiu.lu@intel.com>
7099 Evandro Menezes <evandro.menezes@amd.com>
7101 * invoke.texi (generic): Document
7103 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7104 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7105 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7106 (x86_use_incdec, x86_pad_returns): New variables
7107 (TARGET_CPU_DEFAULT_generic): New constant
7108 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7109 (enum processor_type): Add generic32 and generic64.
7110 * i386.md (cpu attribute): Add generic32/generic64
7111 (movhi splitter): Behave sanely when both partial_reg_dependency and
7112 partial_reg_stall are set.
7113 (K8 splitters): Enable for generic as well.
7114 * predicates.md (incdec_operand): Use TARGET_INCDEC
7115 (aligned_operand): Avoid memory mismatch stalls.
7116 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7117 * ppro.md: Enable for generic32
7118 * i386.c (generic64_cost, generic32_cost): New.
7119 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7120 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7121 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7122 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7123 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7124 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7125 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7126 x86_accumulate_outgoing_args, x86_prologue_using_move,
7127 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7128 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7130 (x86_use_incdec, x86_pad_returns): New.
7131 (override_options): Add generic32 and generic64, translate "generic"
7132 to generic32/generic64 and "i686" to "generic32", refuse
7133 "generic32"/"generic64" as arch target.
7134 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7135 (ix86_reorg): Honor PAD_RETURNS.
7137 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7139 * tree-pretty-print.c (dump_generic_node): Handle
7140 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7141 * cgraph.c (cgraph_expand_queue): Rename from
7142 cgraph_analyze_queue. Update all users.
7143 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7144 cgraph_expand_queue.
7145 (cgraph_expand_all_functions): Likewise.
7146 (cgraph_finalize_pending_functions): Remove. Update callers.
7148 * tree.h (OMP_DIRECTIVE_P): Define.
7149 (OMP_PARALLEL_FN): Define.
7150 (OMP_PARALLEL_DATA_ARG): Define.
7151 (OMP_SECTIONS_SECTIONS): Define.
7152 * tree-pass.h (pass_expand_omp): Declare.
7153 * omp-low.c (struct omp_region): Declare.
7154 (struct omp_context): Remove fields 'parallel_type',
7155 'parallel_start_ix' and 'parallel_start_additional_args'.
7157 (struct omp_for_data): Rename from struct expand_omp_for_data.
7158 (omp_regions): New static variable.
7159 (root_omp_region): New static variable.
7160 (find_omp_clause): Make static.
7161 (is_in_combined_parallel_ctx): Remove.
7162 (is_combined_parallel): New.
7163 (extract_omp_for_data): Move earlier in the file.
7164 (workshare_safe_to_combine_p): New.
7165 (get_ws_args_for): New.
7166 (determine_parallel_type): Move earlier in the file.
7167 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7169 (omp_copy_decl): Likewise.
7170 (create_omp_child_function): Likewise.
7171 (lookup_omp_region): New.
7172 (dump_omp_region): New.
7173 (debug_omp_region): New.
7174 (debug_all_omp_regions): New.
7175 (new_omp_region): New.
7176 (scan_omp_parallel): If parallel_nesting_level > 1, the
7177 directive is nested within another parallel directive.
7178 Set OMP_PARALLEL_FN.
7179 (scan_omp_for): Do not try to handle combined parallel+for
7181 Remove FIXME comment.
7182 (scan_omp_nested): Remove.
7183 (scan_omp_1): Do not call scan_omp_nested when
7184 parallel_nesting_level is > 1.
7185 Do not change the DECL_CONTEXT of local variables found.
7186 (lookup_decl_in_outer_ctx): New.
7187 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7188 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7189 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7190 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7191 If CTX is nested, lookup VAR in the outer context when
7192 building copy assignment.
7193 (lower_send_clauses): Rename from expand_send_clauses.
7194 If CTX is nested, lookup VAR in the outer context when
7195 building copy assignments.
7196 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7197 If CTX is nested, lookup VAR in the outer context when
7198 building copy assignments.
7199 (expand_parallel_call): Rename from build_parallel_call.
7200 Handle combined parallel+workshare cases.
7201 Re-implement to emit code into the CFG.
7203 (expand_omp_parallel): Re-implement to emit code into the CFG.
7204 Call move_sese_region_to_fn to outline the sub-graph
7205 containing the parallel region.
7206 (expand_omp_for_1): Remove.
7207 (expand_omp_for_generic): Re-implement to emit code into the
7209 (expand_omp_for_static_nochunk): Likewise.
7210 (expand_omp_for_static_chunk): Likewise.
7211 (expand_omp_for): Likewise.
7212 (expand_omp_sections): Likewise.
7213 (remove_exit_barriers): New.
7214 (expand_omp_synch): New.
7216 (build_omp_regions_1): New.
7217 (build_omp_regions): New.
7218 (execute_expand_omp): New.
7219 (gate_expand_omp): New.
7220 (pass_expand_omp): Define.
7221 (lower_omp_sections): Rename from expand_omp_sections.
7222 Set OMP_SECTIONS_SECTIONS.
7223 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7224 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7225 (lower_omp_single): Rename from expand_omp_simple.
7226 (lower_omp_master): Rename from expand_omp_master.
7227 (lower_omp_ordered): Rename from expand_omp_ordered.
7228 (lower_omp_critical): Rename from expand_omp_critical.
7229 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7230 (lower_omp_for): Re-implement.
7231 (lower_omp_parallel): Re-implement.
7232 (lower_regimplify): Rename from expand_regimplify.
7233 (lower_omp_1): Rename from expand_omp_1.
7234 If there are syntax errors in the program, replace every
7235 OpenMP directive with NOP.
7236 Call lower_omp_* instead of expand_omp_*.
7237 (lower_omp): Rename from expand_omp.
7239 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7240 * tree-gimple.h (enum omp_parallel_type): Remove.
7241 (gimple_boolify): Declare extern.
7242 (find_omp_clause, determine_parallel_type): Remove.
7244 * gimple-low.c (lower_omp_directive): New.
7245 (lower_stmt): Call it.
7246 (record_vars_into): Move from ...
7247 (record_vars): ... here.
7248 Call record_vars_into with current_function_decl.
7250 * gimplify.c (struct gimplify_ctx): Remove fields
7251 combined_pre_p and combined_ctxp. Update users.
7252 (get_formal_tmp_var): Add documentation.
7253 (gimple_boolify): Make extern.
7254 (gimplify_expr_in_ctx): Remove. Update callers.
7255 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7256 will always be a BIND_EXPR.
7257 (gimplify_expr): Handle OMP_RETURN_EXPR.
7258 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7259 (OMP_PARALLEL): Add 3 operands.
7260 (OMP_SECTIONS): Add 1 operand.
7261 (OMP_RETURN_EXPR): Define.
7263 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7264 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7265 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7266 creating a circular free list.
7267 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7269 * tree-flow.h (move_sese_region_to_fn): Declare.
7270 (record_vars_into): Declare.
7271 * tree-cfg.c (make_omp_sections_edges): New.
7272 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7273 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7274 OMP_SECTIONS and OMP_SECTION.
7275 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7276 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7277 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7278 (gather_blocks_in_sese_region): New.
7279 (struct move_stmt_d): Declare.
7281 (move_block_to_fn): New.
7282 (move_sese_region_to_fn): New.
7284 * passes.c (init_optimization_passes): Schedule
7285 pass_expand_omp after pass_init_datastructures.
7287 * tree-ssa-operands.c (get_expr_operands): Handle
7288 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7289 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7291 2006-01-19 Jeff Law <law@redhat.com>
7293 * tree-vrp.c (extract_range_from_assert): Refine the result range
7294 if the variable referenced by the ASSERT_EXPR has a range and
7295 either the tentative result range or the previous range is a
7298 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7300 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7302 2006-01-19 Jan Hubicka <jh@suse.cz>
7304 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7306 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7308 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7309 (expand_compound_operation, expand_field_assignment): Fail if the
7310 bit lengths of an extract operation are out of range.
7311 (make_extraction): Compute wanted_inner_mode based on the position
7312 and length of the extraction. Make it extraction_mode for non-constant
7313 positions, and do not modify offset in that case. When generating a
7314 new MEM, use a mode that can hold the extraction while keeping correct
7315 alignment. Remove code that supported MEMs wrapped by USEs.
7316 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7318 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7320 * config/s390/s390.md ("Y", "y"): New mode attribute.
7321 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7322 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7323 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7324 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7325 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7326 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7327 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7328 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7329 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7330 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7331 "addsi3", "subsi3"): Insn patterns removed.
7332 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7333 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7334 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7335 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7336 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7337 "*sub<mode>3_cconly2"): New insn patterns.
7338 ("addsi3", "subsi3"): New expanders.
7340 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7342 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7343 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7344 existing STMT_VINFO_VECTYPE if available.
7345 (vect_mark_relevant): Add special handling for stmts that are
7346 marked as STMT_VINFO_IN_PATTERN_P.
7347 (vect_analyze_loop): Call vect_pattern_recog.
7348 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7349 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7351 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7352 (vect_recog_func_ptr): New function-pointer type.
7353 * tree-vect-patterns.c: New file.
7354 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7355 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7356 (vect_pattern_recog_1): New functions.
7357 (vect_pattern_recog_funcs): New array of function pointers.
7359 * tree-vectorizer.h (ternary_op): New enum value.
7360 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7361 declaration. Revised documentation. Removed redundant dump prints.
7362 Removed redundant argument. Added support for reduction patterns.
7363 (vectorizable_reduction): Added support for reduction patterns.
7364 (vect_transform_stmt): Added support for patterns.
7366 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7367 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7368 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7369 (expand_widen_pattern_expr): New function.
7370 (init_optabs): Initialize new optabs udot_prod_optab,
7372 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7373 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7374 (expand_widen_pattern_expr): New function declaration.
7375 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7377 * tree-inline.c (estimate_num_insns_1): Added cases for new
7378 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7379 * tree-pretty-print.c (dump_generic_node): Likewise.
7380 (op_prio): Likewise.
7381 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7382 * tree-ssa-operands.c (get_expr_operands): Added case for
7384 * tree-vect-patterns.c (widened_name_p): New function.
7385 (vect_recog_dot_prod_pattern): Added function implementation.
7386 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7387 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7388 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7389 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7391 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7392 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7393 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7394 (init_optabs): Initialize new optabs widen_ssum_optab,
7396 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7397 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7398 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7399 use instead of type of def.
7400 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7401 function implementation.
7402 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7403 widen_ssumv8hi): New.
7405 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7408 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7411 * c-decl.c (add_flexible_array_elts_to_size): New function.
7412 (finish_decl): Use it.
7414 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7416 * diagnostic.h: Include options.h.
7417 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7418 dependancies for diagnostic.h.
7419 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7421 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7423 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7424 (ssa_ro_call_cache_valid): Ditto.
7425 * tree-ssa-alias.c (sort_tags_by_id): New function.
7426 (init_transitive_clobber_worklist): Ditto.
7427 (add_to_worklist): Ditto.
7428 (mark_aliases_call_clobbered): Ditto.
7429 (compute_tag_properties): Ditto.
7430 (set_initial_properties): Ditto.
7431 (compute_call_clobbered): Ditto.
7432 (compute_may_aliases): Call compute_call_clobbered and grouping.
7433 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7434 (compute_flow_insensitive_aliasing): Grouping now happens in our
7436 (setup_pointers_and_addressables): Remove clobbering related code.
7437 (add_may_alias): Ditto.
7438 (replace_may_alias): Ditto.
7439 (get_nmt_for): Ditto.
7440 (create_global_var):
7441 (is_escape_site): Return an escape_type enumeration.
7442 * tree-flow-inline.h (is_call_clobbered): Global var does not
7443 imply call clobbered.
7444 (mark_call_clobbered): Take a reason for marking this. Remove
7445 marking of globalness, and cache invalidation.
7446 (clear_call_clobbered): Remove cache invalidation code.
7447 * tree-dfa.c (dump_variable): If details is on, dump the reason
7449 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7451 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7452 (struct var_ann_d): Ditto.
7453 (enum escape_type): New.
7454 (mark_call_clobbered): Adjust prototype.
7455 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7456 are never call clobbered.
7457 Record reasons for escaping.
7458 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7459 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7460 (ssa_ro_call_cache_valid): Ditto.
7461 (clobbered_v_may_defs): Ditto.
7462 (clobbered_vuses): Ditto.
7463 (ro_call_vuses): Ditto.
7464 (clobber_stats): New.
7465 (init_ssa_operands): Zero out clobber stats.
7466 (fini_ssa_operands): Print out clobber stats.
7467 (get_call_expr_operands): Pass callee fndecl to
7469 (add_call_clobber_ops): Remove use of cache.
7470 Add use of PURE_CONST information.
7471 (add_call_read_ops): Remove use of cache.
7472 Add use of static not_read information.
7474 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7476 Introduce TLS descriptors for i386 and x86_64.
7477 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7478 (TARGET_ANY_GNU_TLS): New macro.
7479 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7480 (struct machine_function): Add tls_descriptor_call_expanded_p.
7481 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7482 (ix86_current_function_calls_tls_descriptor): Likewise.
7483 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7484 (override_options): Introduce gnu2 tls dialect.
7485 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7487 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7489 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7490 (ix86_init_machine_status): Initialize new field.
7491 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7492 (ix86_tls_module_base): New.
7493 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7494 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7495 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7496 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7497 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7498 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7499 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7500 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7501 * config/i386/predicates.md (tls_modbase_operand): New.
7502 (tp_or_register_operand): New.
7504 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7506 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7507 (look_for_address_of): Ditto.
7508 (ipa_init): Walk the function decls.
7509 (static_execute): Don't set readonly on FUNCTION_DECL's.
7511 2006-01-18 Roger Sayle <roger@eyesopen.com>
7513 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7514 for shifts where the source and destination registers are different.
7516 2006-01-18 Paul Brook <paul@codesourcery.com>
7518 Merge from csl-arm-branch.
7519 2005-03-14 Julian Brown <julian@codesourcery.com>
7520 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7521 (aeabi_llsl): Likewise.
7522 (ashrdi3): Likewise.
7523 (aeabi_lasr): Likewise.
7524 (lshrdi3): Likewise.
7525 (aeabi_llsr): Likewise.
7526 2005-03-10 Julian Brown <julian@codesourcery.com>
7527 * config.gcc: Disable shared libgcc for SymbianOS.
7528 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7530 2006-01-18 DJ Delorie <dj@redhat.com>
7532 * c-pragma.c (handle_pragma_diagnostic): New.
7533 (init_pragma): Register it.
7534 * doc/extend.texi: Document it.
7536 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7537 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7538 (diagnostic_context): Add classify_diagnostic[].
7539 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7540 as errors if they're overridden to DK_WARNING.
7541 (diagnostic_initialize): Initialize classify_diagnostic[].
7542 (diagnostic_set_kind_override): New.
7543 (diagnostic_report_diagnostic): Check for kind changes.
7544 * opts.c (common_handle_option): Take lang_mask. Update callers.
7546 * common.opt (Werror=): New.
7547 * doc/invoke.texi: Document -Werror=*
7549 2006-01-18 Jeff Law <law@redhat.com>
7551 * tree-vrp.c (test_for_singularity): Correct test for new
7552 min limit. Use operand_equal_p rather than pointer equality
7553 for testing if new min/max values are equal.
7555 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7556 using range information until after propagation and folding.
7558 2006-01-18 Richard Henderson <rth@redhat.com>
7559 Aldy Hernandez <aldyh@redhat.com>
7560 Jakub Jelinek <jakub@redhat.com>
7561 Diego Novillo <dnovillo@redhat.com>
7563 * omp-low.c: New file.
7564 * c-omp.c: New file.
7566 2006-01-18 Richard Henderson <rth@redhat.com>
7567 Jakub Jelinek <jakub@redhat.com>
7568 Diego Novillo <dnovillo@redhat.com>
7570 * doc/invoke.texi: Document -fopenmp.
7571 * tree-dump.h (debug_function): Declare.
7572 * hooks.c (hook_bool_tree_bool_false): New function.
7573 (hook_tree_tree_null): Remove.
7574 (hook_tree_tree_tree_null): New.
7575 * hooks.h: Update to match.
7576 * tree-pretty-print.c (debug_tree_chain): New.
7577 (print_generic_expr): Handle TDF_CHAIN.
7578 (dump_generic_node): Handle BLOCK.
7579 Do not abort with incomplete SWITCH_EXPRs.
7580 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7581 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7582 print space after directive name.
7583 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7584 Handle OMP_MASTER and OMP_ORDERED.
7585 Handle printing of OMP_BODY just in one place, goto
7586 dump_omp_body in the rest of OMP_* nodes that have
7588 Don't handle clause nodes here. Update omp statements to
7589 use dump_omp_clauses.
7590 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7591 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7592 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7593 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7594 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7595 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7596 Adjust output for GOMP_PARALLEL.
7597 (dump_omp_clauses): New.
7598 (print_declaration): Dump DECL_VALUE_EXPR.
7599 (op_symbol_1): Split out of op_symbol.
7600 (dumping_stmts): Remove. Update all users.
7601 * cgraph.c (cgraph_analyze_queue): New.
7602 (cgraph_add_new_function): New.
7603 * cgraph.h (cgraph_analyze_queue): Declare.
7604 (cgraph_add_new_function): Declare.
7605 (cgraph_lower_function): Remove.
7606 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7607 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7608 and TYPE_P nodes in its default clause.
7609 (empty_body_p): New.
7610 (tree_range_check_failed): New.
7612 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7613 OMP_CLAUSE_REDUCTION_MERGE,
7614 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7615 OMP_CLAUSE_PRIVATE_DEBUG,
7616 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7617 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7618 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7619 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7620 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7621 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7622 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7623 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7624 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7625 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7626 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7627 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7628 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7629 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7630 (TREE_RANGE_CHECK): New.
7631 (empty_body_p): Declare.
7632 (enum omp_clause_default_kind): New.
7633 (build_string_literal): Declare.
7634 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7635 (build5_stat, build5): Declare.
7636 * tree-pass.h (TDF_CHAIN): Define.
7637 * tree-pass.h (PROP_gimple_lomp): Define.
7638 (pass_lower_omp): Declare.
7639 * diagnostic.h (debug_tree_chain): Declare.
7640 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7642 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7643 * builtins.c (build_string_literal): Make extern.
7644 * gcc.c (include_spec_function): New.
7645 (static_spec_functions): Add it.
7646 (main): Move load of libgomp.spec ...
7647 (LINK_COMMAND_SPEC): ... here.
7648 (link_gomp_spec): New.
7649 (static_specs): Include it.
7650 (LINK_COMMAND_SPEC): Add link_gomp.
7651 (GOMP_SELF_SPECS): New.
7652 (driver_self_specs): Include it.
7653 (switch_matches): Don't mark inline.
7654 (main): Load libgomp.spec.
7655 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7656 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7657 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7658 * tree-gimple.h (enum omp_parallel): Declare.
7659 (determine_parallel_type): Declare.
7660 (omp_firstprivatize_variable): Declare.
7661 (omp_reduction_init): Declare.
7662 (diagnose_omp_structured_block_errors): Declare.
7663 (struct walk_stmt_info): Add want_return_expr.
7664 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7665 (find_omp_clause): Declare.
7666 (insert_field_into_struct): Declare.
7667 (struct walk_stmt_info): Move from tree-nested.c
7668 (walk_stmts): Declare.
7669 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7671 * cgraphunit.c (cgraph_lower_function): Make static.
7672 (cgraph_finalize_pending_functions): New.
7673 (cgraph_finalize_function): Call it.
7674 (cgraph_finalize_compilation_unit): Likewise.
7675 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7676 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7677 (BT_FN_UINT_UINT): New.
7678 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7679 DEF_FUNCTION_TYPE_VAR_4): Document.
7680 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7681 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7682 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7683 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7684 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7685 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7686 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7687 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7688 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7689 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7690 into separate files.
7691 (DEF_GOMP_BUILTIN): New.
7692 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7693 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7694 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7695 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7696 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7697 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7698 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7699 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7700 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7701 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7702 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7703 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7704 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7705 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7706 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7707 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7708 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7709 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7710 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7711 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7712 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7713 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7714 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7715 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7716 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7717 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7718 * sync-builtins.def: New file, moved from builtins.def.
7719 * omp-builtins.def: New file, moved from builtins.def.
7720 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7721 * gimple-low.c (lower_function_body): Clear data.
7722 (lower_stmt): Do not handle COMPOUND_EXPR.
7723 Remove call to print_node_brief.
7724 * c-tree.h (c_finish_omp_clauses): New prototype.
7725 (C_DECL_THREADPRIVATE_P): Define.
7726 (lookup_name_no_remap, c_omp_remap_private): Remove
7727 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7728 (check_for_loop_decls): Update decl.
7729 (lookup_name_no_remap, c_omp_remap_private): Declare.
7730 (build_indirect_ref, build_modify_expr, pushdecl,
7731 pushdecl_top_level): Move to c-common.h.
7732 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7733 before the switch, but just in the 2 places that need it.
7734 * c-decl.c (diagnose_mismatched_decls): Do not check for
7735 mismatched thread-local attributes when OLDDECL is marked
7736 threadprivate and NEWDECL has no thread-local attributes.
7737 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7738 (c_gimple_diagnostics_recursively): Rename from
7739 c_warn_unused_result_recursively. Invoke
7740 diagnose_omp_structured_block_errors.
7741 (check_for_loop_decls): Return a singular decl found.
7742 * langhooks.c (lhd_omp_predetermined_sharing): Return
7743 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7744 (lhd_omp_firstprivatize_type_sizes): New.
7745 (lhd_omp_assignment): New.
7746 (lhd_omp_predetermined_sharing): New.
7747 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7748 (struct lang_hooks_for_types): Add
7749 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7750 omp_predetermined_sharing, omp_disregard_value_expr,
7751 omp_private_debug_clause, omp_clause_default_ctor,
7752 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7753 (c_finish_omp_clauses): New.
7754 (c_finish_bc_stmt): Diagnose break within omp for.
7755 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7756 (build_unary_op): Return error_mark after reporting
7758 (build_modify_expr): Likewise.
7759 * gimplify.c: Include optabs.h and pointer-set.h.
7760 (enum gimplify_omp_var_data): Declare.
7761 (struct gimplify_omp_ctx): Declare.
7762 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7764 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7765 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7766 (splay_tree_compare_decl_uid): New.
7767 (new_omp_context): New.
7768 (delete_omp_context): New.
7769 (gimple_add_tmp_var): Call omp_add_variable.
7770 (gimplify_bind_expr): Likewise.
7771 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7772 true, disregard DECL_VALUE_EXPR on the decl if any.
7773 (gimplify_expr_in_ctx): New.
7774 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7775 omp_add_variable, omp_notice_variable, omp_is_private
7776 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7777 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7778 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7779 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7780 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7781 gimplify_omp_atomic): New.
7782 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7783 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7784 OMP_CRITICAL and OMP_ATOMIC.
7785 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7786 * c-pragma.h (enum pragma_kind): Add
7787 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7788 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7789 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7790 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7791 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7792 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7793 PRAGMA_OMP_THREADPRIVATE.
7794 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7795 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7796 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7797 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7798 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7799 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7800 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7801 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7802 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7803 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7804 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7805 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7806 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7808 (struct nesting_info): Add field_map,
7809 suppress_expansion, debug_var_chain.
7810 (create_nesting_tree): Initialize them.
7811 (lookup_field_for_decl): Use field_map.
7812 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7813 (convert_local_omp_clauses): New.
7814 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7815 (walk_body): Split out of walk_function.
7816 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7817 (convert_nonlocal_reference): Handle omp statements.
7818 (convert_local_reference): Likewise.
7819 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7820 (unnest_nesting_tree): New.
7821 (lower_nested_functions): Call it.
7822 (insert_field_into_struct): Make extern.
7823 (struct walk_stmt_info): Move to tree-gimple.h.
7824 (walk_stmts): Make extern.
7825 * omp-builtins.def: New file.
7826 * tree-iterator.c (expr_only): Clarify comment.
7827 * c-common.h (pushdecl_top_level, pushdecl,
7828 build_modify_expr, build_indirect_ref,
7829 c_finish_omp_master, c_finish_omp_critical,
7830 c_finish_omp_ordered, c_finish_omp_barrier,
7831 c_finish_omp_atomic, c_finish_omp_flush,
7832 c_finish_omp_for, c_split_parallel_clauses,
7833 omp_clause_default_kind, c_omp_sharing_predetermined,
7834 c_omp_remap_decl): Declare.
7835 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7836 (OBJS-common): Add omp-low.o.
7837 (c-omp.o, omp-low.o): Add.
7838 (gimplify.o): Add dependency on $(OPTABS_H).
7839 (GTFILES): Add omp-low.c.
7840 (gt-stringpool.h): Add.
7841 * tree-cfg.c (set_bb_for_stmt): Do not update the
7842 block-to-labels map if we are currently expanding to RTL.
7843 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7845 Handle IDENTIFIER_NODE.
7846 (tree_verify_flow_info): Do not ICE when emitting error
7847 messages about invalid labels.
7848 (dump_function_to_file): Reset CFUN before emitting the body
7850 (debug_function): New.
7851 * passes.c (init_optimization_passes): Schedule
7853 * langhooks-def.h (lhd_omp_predetermined_sharing,
7854 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7856 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7857 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7858 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7859 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7860 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7861 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7862 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7863 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7864 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7865 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7866 (LANG_HOOK_DECLS): Use them.
7868 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7869 Richard Henderson <rth@redhat.com>
7870 Jakub Jelinek <jakub@redhat.com>
7871 Diego Novillo <dnovillo@redhat.com>
7873 * c-parser.c (pragma_omp_clause): Define.
7874 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7875 (c_parser_compound_statement): Likewise.
7876 (c_parser_statement): Likewise.
7877 (c_parser_pragma): Handle omp pragmas.
7878 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7879 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7880 (c_parser_omp_clause_name, check_no_duplicate_clause,
7881 c_parser_omp_variable_list,
7882 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7883 c_parser_omp_clause_copyprivate,
7884 c_parser_omp_clause_default,
7885 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7886 c_parser_omp_clause_lastprivate,
7887 c_parser_omp_clause_nowait,
7888 c_parser_omp_clause_num_threads,
7889 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7890 c_parser_omp_clause_reduction,
7891 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7892 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7893 c_parser_omp_atomic, c_parser_omp_barrier,
7894 c_parser_omp_critical, c_parser_omp_flush,
7895 c_parser_omp_for_loop, c_parser_omp_for,
7896 c_parser_omp_master, c_parser_omp_ordered,
7897 c_parser_omp_sections_scope, c_parser_omp_sections,
7898 c_parser_omp_parallel, c_parser_omp_single,
7899 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7900 * c-pragma.c (init_pragma): Do omp pragma registration here.
7901 * c.opt (fopenmp): New flag.
7903 2006-01-18 Eric Christopher <echristo@apple.com>
7905 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7906 * config/darwin.h (GOMP_SELF_SPECS): Define.
7908 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7910 * rtl.h: Remove the prototype for reg_alloc.
7912 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7915 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7916 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7917 sjlj and dwarf2 exception handling.
7918 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7919 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7920 * pa/pa.c (function_value): Treat complex and vector types as
7922 (function_arg): Likewise. Only pass scalar floats in the floating
7923 point argument registers.
7924 * pa/t-slibgcc-dwarf-ver: New file.
7925 * pa/t-slibgcc-sjlj-ver: New file.
7926 * pa/t-slibgcc-elf-ver: Delete file.
7928 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7930 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7931 unlikely_test_section_p test.
7933 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7935 * mode-switching.c (optimize_mode_switching): Make it static.
7936 * basic-block.h: Remove the prototype for
7937 optimize_mode_switching.
7939 * modulo-sched.c (sms_schedule): Make it static.
7940 * rtl.h: Remove the prototype for sms_schedule.
7942 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7943 * rtl.h: Remove the prototype for gcse_after_reload_main.
7945 * reg-stack.c (reg_to_stack): Make it static.
7946 * rtl.h: Remove the prototype for reg_to_stack.
7948 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7950 * rtl.h: Remove the prototypes for regrename_optimize and
7951 copyprop_hardreg_forward.
7953 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7955 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7956 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7957 Test against the appropriate null constant for the mode.
7958 If 'fixup_overlap' is true, swap the operands if they overlap.
7959 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7960 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7961 alpha_split_tmode_pair and adjust for above change.
7962 * config/alpha/alpha.md (movtf_internal): Adjust call to
7963 alpha_split_tfmode_pair and rely on it to swap the operands.
7964 (movti_internal): New insn and post-reload splitter.
7965 (movti): New expander.
7967 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7969 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7972 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7974 * rtlanal.c (global_reg_mentioned_p_1,
7975 global_reg_mentioned_p): Remove.
7976 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7978 * flow.c (initialize_uninitialized_subregs): Make it static.
7979 * rtl.h: Remove the prototype for
7980 initialize_uninitialized_subregs.
7982 * function.c (instantiate_virtual_regs): Make it static.
7983 * function.h: Remove the prototype for
7984 instantiate_virtual_regs.
7986 * regmove.c (regmove_optimize, combine_stack_adjustments):
7988 * rtl.h: Remove the prototypes for regmove_optimize and
7989 combine_stack_adjustments.
7991 2006-01-17 Roger Sayle <roger@eyesopen.com>
7993 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7994 (size_cost): Encode costs in bytes so that a reg-reg addition is
7995 equivalent to COSTS_N_INSNS(1).
7996 (override_options): Use the size_cost.branch_cost as the default
7997 ix86_branch_cost when optimizing for size.
7999 2006-01-18 Ben Elliston <bje@au.ibm.com>
8001 * Makefile.in (D32PBIT_FUNCS): New.
8002 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8003 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8004 D64PBIT_FUNCS and D128PBIT_FUNCS.
8005 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8006 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8008 (decnumber_dep): Define.
8009 * doc/libgcc.texi (Decimal float library routines): New node.
8010 * config/dfp-bit.h, config/dfp-bit.c: New files.
8012 2006-01-18 Ben Elliston <bje@au.ibm.com>
8014 * expr.c (emit_move_change_mode): Always adjust addresses, not
8015 just during reload. Copy replacements only during reload.
8016 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8017 emit_move_via_integer.
8019 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8021 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8022 instead of $(srcdir) and ${srcdir}.
8024 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8028 * arm.h (struct machine_function): Add pic_reg.
8029 * arm.c (arm_pic_register): Make unsigned.
8030 (arm_override_options): Only set arm_pic_register if
8031 TARGET_SINGLE_PIC_BASE.
8032 (use_return_insn): Only test for a pic register if it is fixed.
8033 (arm_compute_save_reg0_reg12_mask): Likewise.
8034 (thumb_compute_save_reg_mask): Likewise.
8035 (legitimate_pic_operand): Factor out some known invariants.
8036 (legitimize_pic_address): If we don't have a fixed pic register,
8037 then set up a pseudo in the function entry sequence. Handle the
8038 pic base being in a pseudo.
8039 (arm_load_pic_register): Handle the pic register being in a pseudo.
8040 (arm_expand_prologue): Only set up the pic register if it is fixed.
8041 (thumb_expand_prologue): Likewise.
8042 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8043 (pic_load_addr_based_insn): Likewise.
8044 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8047 2006-01-18 Ben Elliston <bje@au.ibm.com>
8049 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8050 decimal float modes for all floating point registers.
8052 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8053 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8055 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8058 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8059 even when the pointer is not NULL.
8061 2006-01-16 Ian Lance Taylor <ian@airs.com>
8063 * common.opt (ftoplevel-reorder): New option.
8064 * cgraph.c (cgraph_asm_nodes): New global variable.
8065 (cgraph_asm_last_node): New static variable.
8066 (cgraph_order): New global variable.
8067 (cgraph_create_node): Set new order field.
8068 (cgraph_varpool_node): Likewise.
8069 (decide_is_variable_needed): Return true if not
8070 flag_toplevel_reorder.
8071 (cgraph_add_asm_node): New function.
8072 * cgraph.h (struct cgraph_node): Add order field.
8073 (struct cgraph_varpool_node): Add order field.
8074 (struct cgraph_asm_node): Define.
8075 (cgraph_asm_nodes, cgraph_order): Declare.
8076 (cgraph_add_asm_node): Declare.
8077 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8079 (cgraph_varpool_assemble_pending_decls): Call it.
8080 (cgraph_output_pending_asms): New static function.
8081 (cgraph_finalize_compilation_unit): Call it.
8082 (struct cgraph_order_sort): Define.
8083 (cgraph_output_in_order): New static function.
8084 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8085 !flag_toplevel_reorder case.
8086 * c-parser.c: Include "cgraph.h".
8087 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8089 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8090 than -fno-unit-at-a-time.
8091 * doc/invoke.texi (Option Summary): Mention
8092 -fno-toplevel-reorder.
8093 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8094 -funit-at-a-time documentation.
8096 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8097 Kazu Hirata <kazu@codesourcery.com>
8099 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8101 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8103 * Makefile.in (FUNCTION_H): New. Use it instead of
8104 function.h throughout the file.
8105 * function.h: Include tree.h.
8107 2006-01-17 Ben Elliston <bje@au.ibm.com>
8109 * recog.c: Separate some functions with whitespace.
8111 2006-01-16 Richard Henderson <rth@redhat.com>
8113 Merge from gomp branch:
8114 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8115 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8116 and rename from struct inline_data. Rename callee* to dst*;
8117 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8118 transform_new_cfg, transform_return_to_modify, and
8119 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8121 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8122 (copy_decl_for_dup): Remove.
8123 * tree-inline.c (struct inline_data): Move to header.
8124 (insert_decl_map): Export.
8125 (remap_decl): Update for member name changes. Use copy_decl hook.
8126 Allow for replacement to be a non-decl. Remove dead code.
8127 (remap_type_1): Check for existing mapping.
8128 (remap_type): Export.
8129 (remap_decls): Update for member name changes.
8130 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8131 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8132 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8133 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8134 (tree_function_versioning, build_duplicate_type): Likewise.
8135 (copy_body_r): Likewise. Export.
8136 (copy_decl_for_dup): Split into ...
8137 (copy_decl_for_dup_finish, copy_decl_to_var,
8138 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8139 (replace_ref_tree, inlining_p): Remove.
8141 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8143 * ifcvt.c (if_convert): Make it static.
8144 * rtl.h: Remove the prototype for if_convert.
8146 * local-alloc.c (local_alloc): Make it static.
8147 * rtl.h: Remove the prototype for local_alloc.
8149 * loop.c (loop_optimize): Make it static.
8150 * cfgloop.h: Remove the prototype for loop_optimize.
8153 2006-01-16 DJ Delorie <dj@redhat.com>
8155 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8158 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8160 * pa.md: Disparage copies between general and floating-point registers
8161 in 32-bit move patterns.
8163 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8166 * Makefile.in (check-%): Depend on site.exp instead of
8167 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8170 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8172 * global.c (global_alloc): Make it static.
8173 * rtl.h: Remove the prototype for global_alloc.
8175 2006-01-16 Richard Guenther <rguenther@suse.de>
8177 * tree-ssa-alias.c (struct used_part): Add write_only field.
8178 (get_or_create_used_part_for): Initialize it to true.
8179 (create_overlap_variables_for): Don't create structure variables
8180 for structures that only are written to.
8181 (find_used_portions): Handle MODIFY_EXPR to track whether a
8182 structure is only written to.
8184 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8186 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8188 * basic-block.h: Remove the prototype for
8189 partition_hot_cold_basic_blocks.
8191 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8193 * cppspec.c (lang_specific_spec_functions): Remove.
8194 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8195 * gcc.h (lang_specific_spec_functions): Remove.
8196 * gccspec.c (lang_specific_spec_functions): Remove.
8198 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8200 * combine.c (record_value_for_reg): Invalidate registers
8202 (record_dead_and_set_regs_1): Likewise, by passing them to
8203 record_value_for_reg.
8204 (record_dead_and_set_regs): Invalidate stores made by a
8205 call. We do not combine across a call, but we still
8206 relied on equivalences.
8208 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8210 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8211 vrp_int_const_binop returning non-constant nodes.
8213 2006-01-16 Paul Brook <paul@codesourcery.com>
8215 * config/m68k/m68k.c (output_move_const_into_data_reg):
8216 Output correct mnemonic for mvz and mvs.
8218 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8220 * rtl-factoring.c: Add sequence abstraction algorithm.
8221 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8222 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8224 (block_has_preserve_label): New function.
8225 * common.opt: Register new pass.
8226 * Makefile.in: Ditto.
8228 * timevar.def: Ditto.
8229 * tree-pass.h: Ditto.
8230 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8231 * rtl.h (make_jump_insn_raw): Add forward decl.
8232 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8234 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8235 Roger Sayle <roger@eyesopen.com>
8237 * fold-const.c (fold_minmax): New static function.
8238 (fold_binary) <MIN_EXPR>: Call it.
8239 <MAX_EXPR>: Likewise.
8240 * stor-layout.c (place_field): Use DECL_SIZE consistently
8241 in the computation of the new record size.
8243 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8245 * cse.c (cse_condition_code_reg): Make it static.
8246 * rtl.h: Remove the prototype for cse_condition_code_reg.
8248 * combine.c (combine_instructions): Make it static.
8249 * rtl.h: Remove the prototype for combine_instructions.
8251 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8254 * tree.c (get_file_function_name_long): Concatenate the first global
8255 object name with a string derived from the input filename of the object
8258 2006-01-16 Ben Elliston <bje@au.ibm.com>
8260 * config/i386/winnt-stubs.c: Update FSF address.
8261 * config/xtensa/ieee754-df.S: Ditto.
8262 * config/xtensa/ieee754-sf.S: Ditto.
8264 2006-01-14 Ian Lance Taylor <ian@airs.com>
8266 * ifcvt.c (noce_init_if_info): New static function, broken out of
8267 noce_process_if_block.
8268 (noce_process_if_block): Call noce_init_if_info.
8269 (check_cond_move_block): New static function.
8270 (cond_move_process_if_block): New static function.
8271 (process_if_block): Call cond_move_process_if_block.
8273 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8275 * cselib.c (hash_table): Rename to cselib_hash_table.
8276 (cselib_clear_table, discard_useless_values,
8277 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8278 cselib_init, cselib_finish): Adjust uses of hash_table.
8280 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8282 PR tree-optimization/25485
8283 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8284 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8285 is known to be false and true, respectively.
8287 2006-01-14 Richard Guenther <rguenther@suse.de>
8289 PR tree-optimization/22548
8290 PR tree-optimization/22555
8291 PR tree-optimization/22501
8292 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8293 * params.def (salias-max-array-elements): New parameter.
8294 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8295 * doc/invoke.texi (salias-max-array-elements): Document.
8296 * tree-flow-inline.h (var_can_have_subvars): We also handle
8298 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8300 * tree-ssa-structalias.c (params.h): Include.
8301 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8302 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8303 (get_constraint_for): For ADDR_EXPR operating on something
8304 containing an ARRAY_REF, add all subvars to the solution.
8305 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8306 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8307 for creating MUST_DEFs.
8308 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8310 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8312 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8314 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8315 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8316 number_of_iterations_le): New functions.
8317 (number_of_iterations_special): Removed.
8318 (number_of_iterations_exit): Do not use number_of_iterations_special.
8319 * tree.c (unsigned_type_for): Always return integer type.
8321 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8322 Richard Guenther <rguenther@suse.de>
8324 PR rtl-optimization/24257
8325 * gcse.c (find_moveable_store): Only consider a store movable
8326 when the SET_SRC of the insn can be assigned to a register.
8328 2006-01-14 Ian Lance Taylor <ian@airs.com>
8330 * tree.c (tree_not_class_check_failed): New function.
8331 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8332 (tree_not_class_check_failed): Declare.
8334 2006-01-13 Ian Lance Taylor <ian@airs.com>
8336 * reload1.c (do_output_reload): Add assertion rejecting a
8339 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8341 * combine.c (struct reg_stat): Add new fields truncation_label and
8343 (record_value_for_reg): Reset truncated_to_mode.
8344 (record_truncated_value): New function.
8345 (check_promoted_subreg): Call it. Rename to check_conversions.
8346 (combine_instructions): Rename check_promoted_subreg to
8348 (reg_truncated_to_mode): New function.
8349 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8350 (gen_lowpart_or_truncate): New function.
8351 (force_to_mode): Use it instead of gen_lowpart.
8353 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8355 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8356 VAR is a tag, not its type tag.
8358 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8360 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8361 alternatives to match style of other entries.
8362 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8364 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8366 PR tree-optimization/25771
8367 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8370 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8373 * tree-inline.c (declare_return_variable): If the return variable
8374 was marked as a non gimple complex, set the return slot variable
8375 to be a non gimple comple variable.
8377 2006-01-13 Richard Guenther <rguenther@suse.de>
8379 * builtins.c (expand_builtin_sincos): New function.
8380 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8382 (expand_builtin): Expand sincos using expand_builtin_sincos.
8384 2006-01-12 DJ Delorie <dj@redhat.com>
8386 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8387 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8388 so that constant shifts can be split.
8389 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8390 (m32c_valid_pointer_mode): Make static.
8391 (shift_gen_func_for): New.
8392 (m32c_prepare_shift): Use it. Split large const shifts into
8394 * config/m32c/predicates.md (shiftcount_operand): Allow more
8396 (longshiftcount_operand): New.
8397 * doc/md.texi (Machine Constraints): Document In6.
8399 2006-01-13 Ben Elliston <bje@au.ibm.com>
8401 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8402 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8405 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8407 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8408 to try to avoid clobbering pieces of structures when we know
8409 something about the whole structure.
8410 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8412 2006-01-13 Ben Elliston <bje@au.ibm.com>
8414 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8415 return in memory, as this is no limitation is no longer present.
8417 2006-01-12 DJ Delorie <dj@redhat.com>
8419 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8420 mova with fb, and for fb+0 -> An.
8422 * config/m32c/mov.md (peephole2): Fix enabling logic.
8424 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8425 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8426 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8427 FINI_ARRAY_SECTION_ASM_OP): Define.
8429 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8431 (m32c_legitimize_reload_address): New logic to reload FB to An.
8432 (m32c_output_reg_push): Add newline.
8433 (m32c_output_reg_pop): Likewise.
8435 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8437 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8439 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8441 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8443 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8445 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8448 2006-01-11 Ben Elliston <bje@au.ibm.com>
8450 * rtlanal.c (find_reg_note): Assert insn is not null.
8452 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8454 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8457 2006-01-11 Jeff Law <law@redhat.com>
8459 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8461 (mark_threaded_blocks, register_jump_thread): New functions.
8462 (thread_through_all_blocks): Remove unwanted argument. No
8463 longer rely on e->aux to communicate thread target info.
8464 Call mark_threaded_blocks. Release the threaded_blocks
8465 bitmap and threaded_edges vector when complete.
8466 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8467 (threaded_blocks): Remove.
8468 (tree_ssa_dominator_optimize): Remove initialization and
8469 finalization of threaded_blocks. Simplify call to
8470 thread_through_all_blocks.
8471 (thread_across_edge): Call register_jump_thread rather than
8472 storing thread information into e->aux.
8473 (free_all_edge_infos): Simplify now that e->aux is no longer
8474 used to communicate with thread_through_all_blocks.
8475 * tree-flow.h (thread_through_all_blocks): Update prototype.
8476 (register_jump_thread): Prototype.
8478 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8480 * df-core.c (df_compact_blocks, df_bb_replace): Use
8481 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8483 2006-01-11 Richard Guenther <rguenther@suse.de>
8485 PR tree-optimization/25734
8486 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8487 stop propagation after successful propagation to the LHS.
8489 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8491 * basic-block.h (control_flow_graph): Change the type of
8492 x_basic_block_info to VEC(basic_block,gc) *.
8493 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8495 (SET_BASIC_BLOCK): New.
8496 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8497 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8498 * cfgbuild.c (find_basic_blocks): Likewise.
8499 * cfglayout.c (fixup_reorder_chain): Likewise.
8500 * cfgrtl.c (create_basic_block_structure,
8501 rtl_create_basic_block): Likewise.
8502 * ifcvt.c (find_if_case_1): Likewise.
8503 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8506 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8508 * Makefile.in: Removed rotted odf.c entry.
8510 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8513 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8514 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8515 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8516 output pattern modifier, not %e.
8517 * config/cris/cris.c (cris_op_str): Update comment about pattern
8519 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8520 before falling through into...
8521 <case 'E'>: Redefined from old 'e' case.
8523 2006-01-11 Jan Hubicka <jh@suse.cz>
8526 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8528 2006-01-11 Jan Hubicka <jh@suse.cz>
8530 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8531 * i386.c (x86_decompose_lea): Kill.
8532 (ix86_rtx_costs): Kill.
8534 2006-01-11 Jan Hubicka <jh@suse.cz>
8536 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8537 * cgraph.h (cgraph_node): Add inline_decl.
8538 (cgraph_insert_node_to_hashtable): Declare.
8539 (save_inline_function_body): Declare.
8540 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8542 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8543 (cgraph_function_versioning): Update call of tree_function_versioning.
8544 (save_inline_function_body): New function.
8545 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8546 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8547 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8548 (cgraph_default_inline_p): Likewise.
8549 (cgraph_decide_inlining_incrementally): Likewise.
8550 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8551 (copy_bb): Kill saving; do updating of clones.
8552 (copy_cfg_body): Kill saving.
8553 (initialize_inlined-parameters): Likewise.
8554 (expand_call_inline): Likewise.
8556 (tree_function_versioning): New parameter "update_clones".
8557 (inlining_p): Kill saving.
8558 * tree-inline.h (tree_function_versioning): Update prototype.
8559 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8562 2006-01-11 Ian Lance Taylor <ian@airs.com>
8564 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8565 Allow undoing set of machine mode.
8566 (do_SUBST): Use enums instead of is_int.
8567 (do_SUBST_MODE): New function.
8568 (SUBST_MODE): New macro.
8569 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8570 reg and trying to replace reg_regno_rtx with a new register.
8571 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8572 (simplify_set): Use SUBST_MODE.
8573 (distribute_notes): Remove code that tried to update reg notes
8574 for regno_reg_rtx changes.
8576 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8578 PR tree-optimization/23109
8579 PR tree-optimization/23948
8580 PR tree-optimization/24123
8582 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8583 * tree-cfg.c (single_noncomplex_succ): New.
8584 * tree-flow.h (single_noncomplex_succ): Declare it.
8585 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8586 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8587 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8588 insert_bb, register_division_in, insert_reciprocals,
8589 replace_reciprocal, free_bb): New.
8590 (execute_cse_reciprocals_1): Rewritten.
8591 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8592 Do not commit any edge insertion. Always compute dominators and
8593 create the allocation pool.
8594 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8595 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8596 * targhooks.c (default_min_divistions_for_recip_mul): New.
8597 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8598 * passes.c (init_optimization_passes): Run recip after tree loop
8600 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8602 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8603 Kenneth Zadeck <zadeck@naturalbridge.com>
8605 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8606 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8607 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8608 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8609 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8610 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8611 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8612 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8613 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8614 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8615 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8616 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8617 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8618 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8619 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8620 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8621 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8622 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8623 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8624 DF_SCAN_POST_ALLOC): New macros.
8625 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8626 df_free_bb_function, df_local_compute_function, df_init_function,
8627 df_dataflow_function, df_confluence_function_0,
8628 df_confluence_function_n, df_transfer_function,
8629 df_finalizer_function, df_free_function, df_dump_problem_function,
8630 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8631 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8632 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8633 df_urec_bb_info, ) New types.
8634 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8636 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8637 df_analyze_simple_change_some_blocks,
8638 df_analyze_simple_change_one_block, df_compact_blocks,
8639 df_bb_replace, df_bb_regno_last_use_find,
8640 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8641 df_insn_regno_def_p, df_find_def, df_find_use,
8642 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8643 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8644 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8645 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8646 debug_df_chain, df_get_dependent_problem, df_chain_create,
8647 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8648 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8649 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8650 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8651 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8652 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8653 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8654 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8655 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8656 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8657 df_reorganize_refs, df_set_state, df_hard_reg_init,
8658 df_read_modify_subreg_p) New public functions.
8659 * df-core.c: The core dataflow solver and glue routines for rtl
8661 (df_init, df_add_problem, df_set_blocks, df_finish,
8662 df_hybrid_search_forward, df_hybrid_search_backward,
8663 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8664 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8665 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8666 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8667 df_reg_defined, df_find_use, df_reg_used, df_dump,
8668 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8669 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8670 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8671 debug_df_useno, reset_df_after_reload): New functions.
8672 * df-scan.c: The scanning fuctions, once in df.c, completely
8673 rewritten so that they now fully model the functionality of
8674 register usage at the backend.
8675 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8676 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8677 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8678 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8679 df_get_artificial_defs, df_get_artificial_uses,
8680 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8681 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8682 df_refs_delete, df_reorganize_refs, df_set_state,
8683 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8684 df_def_record_1, df_defs_record, df_uses_record,
8685 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8686 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8687 df_record_exit_block_uses, df_hard_reg_init): New functions.
8689 * df-problems.c: Seven concrete dataflow problems that use the
8690 scanning in df-scan.c and are solved by the engine in df-core.c.
8691 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8692 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8693 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8694 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8695 df_ru_free_bb_info, df_ru_alloc,
8696 df_ru_bb_local_compute_process_def,
8697 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8698 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8699 df_ru_transfer_function, df_ru_free, df_ru_dump,
8700 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8701 df_rd_free_bb_info, df_rd_alloc,
8702 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8703 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8704 df_rd_transfer_function, df_rd_free, df_rd_dump,
8705 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8706 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8707 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8708 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8709 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8710 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8711 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8712 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8713 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8714 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8715 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8716 df_urec_mark_reg_use_for_earlyclobber,
8717 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8718 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8719 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8720 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8721 df_chain_create_bb_process_use, df_chain_create_bb,
8722 df_chain_finalize, df_chain_free, df_chains_dump,
8723 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8724 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8725 df_reg_lifetime): New functions.
8726 * df.c: Deleted file.
8727 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8728 consistent with new df api.
8729 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8730 rest_of_handle_sms): Ditto.
8731 * web.c (unionfind_union, union_defs, entry_register, web_main):
8733 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8734 invariant_expr_equal_p, find_defs, check_dependencies,
8735 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8736 free_inv_motion_data, move_loop_invariants): Ditto.
8737 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8738 Update dependencies.
8739 (odf.c): Added defective entry that was deleted later in day.
8740 * sched-deps.c (sched_analyze_1): Ditto.
8742 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8744 * tree-ssa-operands.c (get_expr_operands): Record addressable
8745 variables directly. Do not call add_stmt_operands for CONST_DECLs
8747 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8748 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8750 2006-01-11 Ben Elliston <bje@au.ibm.com>
8752 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8753 function returns true in the positive case.
8755 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8758 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8759 for SI, DI, SF and DF modes. Add alternatives to copy between
8760 general and floating point registers to the 32-bit patterns.
8761 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8762 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8763 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8764 generating 64-bit code.
8765 * config/pa/pa.c (output_move_double): Handle copies between general
8766 and floating registers.
8768 2006-01-10 Stuart Hastings <stuart@apple.com>
8770 * config/i386/i386.md (set_got): Update.
8771 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8772 (builtin_setjmp_receiver): Mach-O support.
8773 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8774 (GOT_SYMBOL_NAME): Define.
8775 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8776 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8777 * config/i386/i386.c (override_options): Revise for Darwin.
8778 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8779 support. (darwin_x86_file_end): New. (output_set_got): Add label
8780 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8781 * config/i386/i386-protos.h (output_set_got): Likewise.
8782 * config/darwin.c (machopic_legitimize_pic_address): Update
8785 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8787 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8788 when MODE isn't BLKmode.
8790 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8792 PR rtl-optimization/25367
8793 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8795 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8798 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8799 for a negative bound.
8801 2006-01-10 Richard Guenther <rguenther@suse.de>
8803 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8804 Never override with anything constraint.
8806 2006-01-10 Jan Beulich <jbeulich@novell.com>
8808 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8809 256 bits when optimize_size.
8811 2006-01-10 Jan Beulich <jbeulich@novell.com>
8813 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8815 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8816 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8819 2006-01-10 Ben Elliston <bje@au.ibm.com>
8821 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8823 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8824 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8825 (USE_FP_FOR_ARG): Reject decimal float modes.
8826 (function_arg_advance): Likewise.
8827 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8828 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8829 point types in AltiVec vectors.
8830 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8831 (rs6000_libcall_value): Likewise.
8833 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8835 * config/xtensa/ieee754-df.S: New file.
8836 * config/xtensa/ieee754-sf.S: New file.
8837 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8838 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8839 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8841 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8843 * config/sh/predicates.md (binary_float_operator,
8844 binary_logical_operator, commutative_float_operator,
8845 equality_comparison_operator, greater_comparison_operator,
8846 less_comparison_operator, logical_operator,
8847 noncommutative_float_operator, shift_operator,
8848 symbol_ref_operand, unary_float_operator): Remove redundant
8851 2006-01-09 Jeff Law <law@redhat.com>
8853 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8854 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8855 now unused arguments. Callers updated.
8856 (eliminate_redundant_computations): Remove now unused arguments,
8858 (local_fold): Remove, no longer used.
8859 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8861 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8862 (simplify_cond): New function.
8863 (forward_propagate_into_cond): Call simplify_cond.
8865 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8867 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8868 (*vec_extractv2di_1_sse): New.
8870 2006-01-09 Ben Elliston <bje@au.ibm.com>
8872 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8874 2006-01-08 Richard Guenther <rguenther@suse.de>
8876 * tree-ssa-structalias.c (get_constraint_for): Remove
8878 (get_constraint_for_component_ref): Likewise.
8879 (do_deref): Likewise.
8880 (get_constraint_for): Likewise.
8881 (do_structure_copy): Likewise.
8882 (handle_ptr_arith): Likewise.
8883 (find_func_aliases): Likewise. Remove unused need_anyoffset
8886 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8887 Kaz Kojima <kkojima@gcc.gnu.org>
8889 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8890 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8891 (EXTRA_CONSTRAINT_C16): Remove.
8892 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8893 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8894 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8895 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8896 constants of SHmedia. Handle nested constant expressions of
8898 (andcosts): Fix the costs for SHmedia constants.
8899 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8900 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8901 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8902 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8903 (movv4hi_i, movv2si_i): Likewise.
8904 (movsi_const): Adjust the second operand of ior so to match with
8906 (movdi_const, movdi_const_32bit): Likewise.
8907 (movdi_const_16bit+1): Don't sign-extend LOW.
8908 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8910 (*double_shori): Fix the split condition. Use GEN_INT instead
8911 of get_int_mode calls. Mask lower 16-bit of the argument of
8913 (sym2GOTPLT): Remove.
8914 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8916 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8917 instead of EXTRA_CONSTRAINT_C16.
8919 2006-01-07 Ian Lance Taylor <ian@airs.com>
8920 David Edelsohn <edelsohn@gnu.org>
8922 PR rtl-optimization/25662
8923 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8924 for constant operands instead of simplify_gen_binary.
8925 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8926 after trying simplify_binary_operation
8928 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8930 * tree.c (iterative_hash_expr): Hash decls based on UID.
8932 2006-01-06 Eric Christopher <echristo@apple.com>
8934 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8935 (TARGET_UNWIND_EMIT): Fix spelling.
8936 * target.h (gcc_target): Add except_table_label.
8937 * except.c (output_function_exception_table): Use.
8938 * varasm.c (default_emit_except_table_label): New.
8939 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8941 (asm_out): Add here.
8942 * output.h (default_emit_except_table_label): Prototype.
8943 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8944 * config/darwin.c (darwin_emit_except_table_label): Define.
8945 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8947 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8949 PR tree-optimization/18527
8950 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8951 number_of_iterations_special, number_of_iterations_exit):
8952 Move base and step of an iv to a single structure. Add
8953 no_overflow flag, and use it in # of iterations analysis.
8954 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8955 folded_casts argument.
8956 (simple_iv): Pass base and step in a structure. Set no_overflow
8958 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8959 Evaluate expensiveness of computing # of iterations instead of
8960 the final expression.
8961 * tree-scalar-evolution.h (affine_iv): New structure.
8962 (simple_iv): Declaration changed.
8963 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8964 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8965 find_givs_in_stmt): Changed due to simple_iv change.
8967 2006-01-06 Jeff Law <law@redhat.com>
8970 * tree-cfg.c (bsi_replace): Rename final argument from
8971 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8972 change (stmt -> orig_stmt).
8973 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8974 (bsi_remove): Add new argument. Remove EH information
8976 (verify_eh_throw_table_statements): New function.
8977 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8979 * tree-optimize.c (execute_free_cfg_annotations): Verify
8980 the EH throw statement table after removing annotations.
8981 * except.h (verify_eh_throw_table_statements): Prototype.
8982 * tree-flow.h (bsi_remove): Update prototype.
8983 * tree-vrp.c (remove_range_assertions): Add new argument to
8985 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8986 * tree-complex.c (expand_complex_div_wide): Likewise.
8987 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8988 * tree-tailcall.c (eliminate_tailcall): Likewise.
8989 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8990 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8991 * tree-nrv.c (tree_nrv): Likewise.
8992 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8993 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8994 (combine_blocks): Likewise.
8995 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8996 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8997 (cleanup_control_flow): Likewise.
8998 (remove_forwarder_block): Likewise.
8999 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9000 * tree-sra.c (sra_replace): Likewise.
9001 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9002 (forward_propagate_single_use_vars): Likewise.
9003 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9004 * tree-inline.c (expand_call_inline): Likewise.
9005 * tree-vect-transform.c (vect_transform_loop): Likewise.
9006 * tree-outof-ssa.c (rewrite_trees): Likewise.
9007 * tree-cfg.c (make_goto_expr_edges): Likewise.
9008 (cleanup_dead_labels): Likewise.
9009 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9010 (bsi_move_before, bsi_move_after): Likewise.
9011 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9012 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9014 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9017 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9019 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9020 on non gimple variables. Also add checks at the top for decls and
9022 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9024 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9025 and IMAGPART_EXPR for creating MUST_DEFs.
9026 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9027 and NAME_MEMORY_TAG separately from the DECLs.
9029 2006-01-06 Richard Guenther <rguenther@suse.de>
9031 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9032 annotation, if necessary.
9033 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9034 redundant calls to update_stmt.
9035 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9038 2006-01-05 Richard Henderson <rth@redhat.com>
9040 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9042 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9044 * c-typeck.c: Update copyright date.
9046 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9048 * c-typeck.c (build_c_cast): Always warn when casting
9049 from a pointer to an integer of different size, even if
9050 the node was constant.
9052 2006-01-05 Richard Guenther <rguenther@suse.de>
9054 PR tree-optimization/22555
9055 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9056 if one structure field is an array.
9057 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9058 operands even if we found a subvar, but ignore VOPs in this
9060 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9062 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9064 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9067 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9069 2006-01-05 Richard Guenther <rguenther@suse.de>
9070 Diego Novillo <dnovillo@redhat.com>
9072 * tree-pass.h (TODO_remove_unused_locals): Define.
9073 * gimple-low.c (expand_var_p, remove_useless_vars,
9074 pass_remove_useless_vars): Remove. Update all users.
9075 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9076 (remove_unused_locals): New function.
9077 * tree-flow.h (remove_unused_locals): Declare.
9078 * passes.c (execute_todo): Call remove_unused_locals if
9079 TODO_remove_unused_locals is set.
9080 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9081 * tree-ssa-dce.c (pass_dce): Likewise.
9082 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9084 2006-01-05 Richard Guenther <rguenther@suse.de>
9086 * tree-flow.h (struct fieldoff): Decompose field to
9087 type, size and decl.
9088 * tree-ssa-alias.c (create_sft): Take type as parameter.
9089 (create_overlap_variables_for): Store type, size and decl
9090 in the fieldoff structure.
9091 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9093 (push_fields_onto_fieldstack): Likewise.
9094 (create_variable_info_for): Likewise. Use offset for the
9095 SFT name if the decl is not available.
9097 2006-01-04 Paul Brook <paul@codesourcery.com>
9099 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9101 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9103 * lambda-code.c (can_put_in_inner_loop): Relax
9105 (can_put_after_inner_loop): New function.
9106 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9107 (perfect_nestify): Change to make copies and modify uses.
9109 2006-01-04 Richard Henderson <rth@redhat.com>
9111 Merge from gomp branch:
9112 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9113 via integer constant.
9114 (pragma_lex): Remove.
9115 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9116 rather than parsing it.
9117 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9118 handle_pragma_extern_prefix): Add %< %> quotes.
9119 (registered_pragmas): New.
9120 (c_register_pragma_1): New.
9121 (c_register_pragma): Use it.
9122 (c_register_pragma_with_expansion): Likewise.
9123 (c_invoke_pragma_handler): New.
9124 (init_pragma): Use cpp_register_deferred_pragma directly for
9126 * c-pragma.h (enum pragma_kind): New.
9127 (pragma_handler): New.
9128 (c_invoke_pragma_handler): Declare.
9129 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9131 * c-common.h (c_common_pch_pragma): Update decl.
9132 * Makefile.in (c-parser.o): Update dependencies.
9133 (GTFILES): Add c-pragma.h.
9134 * c-parser.c (struct c_token): Add pragma_kind.
9135 (struct c_parser): Add in_pragma.
9136 (c_lex_one_token): Always initialize keyword and pragma_kind.
9137 Extract data for CPP_PRAGMA.
9138 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9139 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9140 Don't allow CPP_PRAGMA_EOL if in_pragma.
9141 (c_parser_consume_pragma): New.
9142 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9143 (c_parser_skip_to_end_of_parameter): Likewise.
9144 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9145 (c_parser_skip_to_pragma_eol): New.
9146 (c_parser_external_declaration): Handle CPP_PRAGMA.
9147 (c_parser_compound_statement_nostart): Likewise.
9148 (c_parser_statement_after_labels): Likewise.
9149 (c_parser_pragma): New.
9150 (pragma_lex): Likewise.
9151 (c_parser_pragma_pch_preprocess): New.
9152 (c_parser_new): Merge into ...
9153 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9155 2006-01-04 Jeff Law <law@redhat.com>
9158 * tree-cfg.c (bsi_replace): Remove the original statement
9159 from the EH throw statement table.
9161 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9163 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9164 make the prototype extern "C" and add throw ().
9167 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9168 and pos non-negative and pos + len <= 32.
9169 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9170 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9171 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9174 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9175 as well as sizes not multiple of component size.
9178 * function.c (instantiate_expr): New function.
9179 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9180 walk its DECL_VALUE_EXPR with instantiate_expr.
9182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9183 DW_OP_deref{,_size} if address isn't going to be added.
9185 2006-01-04 Ben Elliston <bje@au.ibm.com>
9187 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9188 * config/fp-bit.c: Likewise.
9190 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9192 * dominance.c: Add comment about why we use DFS numbering
9195 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9196 Richard Henderson <rth@redhat.com>
9198 Merge from gomp-branch:
9199 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9200 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9202 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9204 PR rtl-optimization/25578
9205 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9206 pass a parameter to simplify_shift_const if changing ASHIFTRT
9209 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9211 * builtins.c (get_builtin_sync_mem): New function.
9212 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9213 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9214 Call get_builtin_sync_mem to generate mem rtx.
9216 2006-01-03 Richard Guenther <rguenther@suse.de>
9219 * stmt.c (add_case_node): Make sure to clear overflow flags
9222 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9224 Merge from gomp-branch.
9225 * config/sparc/sync.md: New file.
9226 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9227 UNSPECV_LDSTUB): New constants.
9228 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9229 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9230 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9233 2006-01-03 Roger Sayle <roger@eyesopen.com>
9235 * combine.c (reg_subword_p): New predicate to test whether the
9236 destination of a set refers to a subword/piece of a register.
9237 (try_combine): Generalize the code to merge the setting of a
9238 pseudo to a constant followed by a set of a subword of that
9239 register to a constant.
9241 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9243 * basic-block.h (control_flow_graph): Change the type of
9244 x_label_to_block_map to VEC(basic_block,gc) *.
9245 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9246 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9248 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9249 VEC(basic_block,heap) *.
9250 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9251 ssa_prop_fini): Adjust the uses of cfg_blocks.
9253 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9255 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9257 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9258 hashing trees instead of a pointer hash.
9259 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9260 compare for MEM_EXPR.
9262 PR rtl-optimization/25130
9263 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9264 when comparing MEMs for GCSE
9266 2006-01-03 Ben Elliston <bje@au.ibm.com>
9268 * targhooks.h (default_decimal_float_supported_p): Declare.
9269 * targhooks.c (default_decimal_float_supported_p): Define.
9270 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9271 `default_decimal_float_supported_p'.
9272 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9274 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9276 * combine.c (apply_distributive_law <SUBREG>): Check
9277 TRULY_NOOP_TRUNCATION.
9279 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9281 * dwarf2out.c (have_switched_text_section): Delete.
9282 (have_multiple_function_sections): New.
9283 (have_location_lists): Make 'bool'.
9284 (add_AT_loc_list): Use 'true' not '1'.
9285 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9286 (output_loc_list): Use have_multiple_function_sections.
9287 (output_ranges): Likewise.
9288 (dwarf2out_begin_function): Set have_multiple_function_sections if
9290 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9291 Check function_section rather than DECL_SECTION_NAME.
9292 (dwarf2out_finish): Use have_multiple_function_sections.
9293 Don't clear have_location_lists.
9295 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9296 Jan Hubicka <jh@suse.cz>
9298 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9299 case of conditional jump jumping to the next instruction.
9300 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9301 cases of conditional jump jumping to the next instruction.
9303 2006-01-02 Jan Hubicka <jh@suse.cz>
9305 * i386.c (*_cost): Add COSTS_N_INSNS.
9306 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9308 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9311 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9313 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9315 * config/arm/arm.c (all_fpus): Fix comment typo.
9316 * config/darwin.c: Likewise.
9317 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9318 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9319 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9321 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9323 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9324 (rs6000_split_compare_and_swapqhi): New.
9325 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9326 (sync_compare_and_swapqhi_internal): New.
9327 * config/rs6000/rs6000-protos.h: Declare.
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