1 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2 Ulrich Weigand <uweigand@de.ibm.com>
5 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12 optimize to lo_sum for DFmode if !TARGET_FPRS.
14 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
16 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
17 delete_alias_info, compute_flow_sensitive_aliasing,
18 group_aliases): Use VEC instead of VARRAY.
19 * tree-ssa-structalias.c (update_alias_info): Likewise.
20 * tree-ssa-structalias.h (alias_info): Change the type of
21 processed_ptrs to VEC(tree,heap) *.
23 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
26 * config/sh/lib1funcs.h: New file, broken out of:
27 * config/sh/lib1funcs.asm.
28 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
30 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
31 * config/sh/lib1funcs-Os-4-200.asm: New file.
32 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
33 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
34 (EXTRA_MULTILIB_PARTS): Include it.
35 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
36 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
37 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
38 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
41 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
43 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
44 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
45 tpa_compact, root_var_init, type_var_init): Use VEC instead of
47 * tree-ssa-live.h: Include vecprim.h.
48 (tree_partition_associator_d): Change the type of
49 first_partition to VEC(int,heap) *.
50 (tpa_first_partition): Use VEC instead of VARRAY.
52 * Makefile.in (GTFILES): Move functions.h after tree.h.
53 * function.c (reset_block_changes, record_block_change,
54 check_block_change, free_block_changes): Use VEC instead of
56 * function.h (function): Change the type of
57 ib_boundaries_block to VEC(tree,gc) *.
58 * tree-inline.c (copy_cfg_body): Initialize
59 ib_boundaries_block to NULL instead of (varray_type) 0.
61 2006-04-12 Roger Sayle <roger@eyesopen.com>
63 * expr.c (emit_group_store): Correct operand order in call to
64 subreg_lowpart_offset. Always create paradoxical SUBREGs with
65 a SUBREG_BYTE of zero.
67 2006-04-12 Richard Guenther <rguenther@suse.de>
69 * profile.c (compute_branch_probabilities): Remove code
70 encapsulated in !ir_type (), which are remanents of the
71 removed RTL profiling code.
72 * rtl-profile.c: Remove.
74 2006-04-12 Alan Modra <amodra@bigpond.net.au>
76 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
77 magic NULL_RTX comment.
78 (function_arg): Store entire fp arg to mem if any part should go
80 (rs6000_arg_partial_bytes): Adjust for above change.
82 2006-04-11 Roger Sayle <roger@eyesopen.com>
84 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
85 if it hasn't been initialized by dwarf2out_init.
87 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
89 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
90 symbolic constants in branch patterns.
92 2006-04-11 Roger Sayle <roger@eyesopen.com>
94 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
96 2006-04-11 Richard Sandiford <richard@codesourcery.com>
98 PR rtl-optimization/27073
99 * gcse.c (try_replace_reg): Revert last change. Continue to search
100 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
103 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
105 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
106 aggregate types other than record and union types.
107 (function_arg): Likewise.
108 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
110 (function_value): In 64-bit mode, return objects that require it
113 2006-04-11 Roger Sayle <roger@eyesopen.com>
115 * dwarf2out.c (premark_used_types): Remove problematic prototype.
117 2006-04-11 Jakub Jelinek <jakub@redhat.com>
119 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
121 2006-04-03 Jeff Law <law@redhat.com>
124 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
125 alias information too.
127 2006-04-10 Mike Frysinger <vapier@gentoo.org>
129 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
131 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
134 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
135 (premark_used_types_helper): New.
136 (premark_used_types): New.
137 (gen_subprogram_die): Call premark_used_types.
138 (prune_unused_types_walk): Do not prune perennial dies.
139 * function.c (used_types_insert): New.
140 * function.h (struct function): Add used_types_hash field.
141 (used_types_insert): Add prototype.
142 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
143 * c-parser.c (c_parser_cast_expression): Save casted types in used
146 2006-04-11 Mark Mitchell <mark@codesourcery.com>
149 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
150 rs6000_explicit_options.float_gprs.
152 2006-04-10 Roger Sayle <roger@eyesopen.com>
154 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
155 from ix86_expand_vector_init_low_nonzero. Take an additional
156 one_var argument indicating which element is non-zero. Support
157 one_var != 0 for V4SFmode and V4SImode by permuting the result.
158 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
159 with one_var instead of ix86_expand_vector_init_low_nonzero.
161 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
163 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
164 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
165 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
166 build/genextract.o): Depend on vecprim.h.
167 * cfglayout.c, df-problems.c, function.c, genextract.c,
168 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
169 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
173 2006-04-10 Geoffrey Keating <geoffk@apple.com>
175 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
176 Declare VECs of this type.
177 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
178 (remove_children): Delete.
179 (add_dwarf_attr): Use VEC routines.
180 (add_AT_flag): Update for changes to add_dwarf_attr.
181 (add_AT_int): Likewise.
182 (add_AT_unsigned): Likewise.
183 (add_AT_long_long): Likewise.
184 (add_AT_vec): Likewise.
185 (add_AT_string): Likewise.
186 (add_AT_die_ref): Likewise.
187 (add_AT_fde_ref): Likewise.
188 (add_AT_loc): Likewise.
189 (add_AT_loc_list): Likewise.
190 (add_AT_addr): Likewise.
191 (add_AT_lbl_id): Likewise.
192 (add_AT_lineptr): Likewise.
193 (add_AT_macptr): Likewise.
194 (add_AT_offset): Likewise.
195 (add_AT_range_list): Likewise.
196 (get_AT): Use VEC_iterate.
197 (remove_AT): Use VEC_ordered_remove.
198 (free_die): Fold remove_children into here; have it use VEC_iterate.
199 (print_die): Use VEC_iterate on attrs.
200 (reverse_die_lists): Don't reverse attr lists.
201 (die_checksum): Use VEC_iterate on attrs.
202 (same_die_p): Likewise.
203 (output_location_lists): Likewise.
204 (build_abbrev_table): Likewise.
205 (size_of_die): Likewise.
206 (unmark_all_dies): Likewise.
207 (output_abbrev_section): Likewise.
208 (output_die): Likewise.
209 (prune_unused_types_walk_attribs): Likewise.
211 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
213 * doc/install.texi (*-*-solaris2*): Point to the configure page.
215 2006-04-10 Jakub Jelinek <jakub@redhat.com>
218 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
220 2006-04-09 Roger Sayle <roger@eyesopen.com>
222 * expr.c (store_constructor): Don't bother clearing target if
223 we're about to assign a vector to it using vec_init_optab.
225 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
227 * tree-ssa-alias.c (lhs_may_store_to): New function.
228 (recalculate_used_alone): Handle LHS of calls.
230 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
234 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
235 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
236 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
237 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
238 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
239 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
240 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
241 stubs. Add ".align 8" directives before all ".dword" directives.
242 (GTHREAD_USE_WEAK): Revise comment.
243 (TARGET_ATTRIBUTE_WEAK): Define.
244 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
245 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
246 * stublib.c: New file.
251 * pa.md (cbranch patterns): Revise arguments used in calls to
252 output_cbranch, output_bb and output_bvd. Add long branch length
254 (fbranch patterns): Handle long branches.
255 (jump): Revise length check. Revise arguments for output_lbranch call.
256 Add long branch length attributes.
257 (decrement_and_branch_until_zero): Add long branch length attributes.
258 (output_movb, output_parallel_addb and output_parallel_movb patterns):
259 Likewise. Revise arguments for output_parallel_addb and
260 output_parallel_movb calls.
261 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
262 output_parallel_movb and output_parallel_addb): Update prototypes.
263 * pa.c (output_cbranch): Revise arguments. Correct handling of
264 nullification in long branches.
265 (output_lbranch): Add new argument to control extraction of delay
267 (output_bb): Handle long branches.
268 (output_bvb, output_dbra, output_movb, output_parallel_movb,
269 output_parallel_addb): Likewise.
271 2006-04-09 Richard Sandiford <richard@codesourcery.com>
273 PR rtl-optimization/27073
274 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
277 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
279 * tree.h (tree_memory_tag): Add old_used_alone.
280 (SMT_OLD_USED_ALONE): New macro.
281 * tree-ssa-alias.c (recalculate_used_alone): Stop
282 marking things for renaming unnecessarily.
284 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
286 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
287 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
288 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
289 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
290 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
291 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
292 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
293 spelling convensions.
294 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
295 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
296 typos. Follow spelling conventions.
298 2006-04-07 DJ Delorie <dj@redhat.com>
300 * config/m32c/m32c.c (m32c_function_arg): Structures are always
302 (m32c_init_cumulative_args): When a function returns a structure,
303 always pass the pointer to that return area on the stack.
304 (m32c_function_arg_advance): Don't increment the parameter number
305 if we're processing the returned structure pointer.
306 (pushm_info): Reverse order of registers.
308 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
310 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
311 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
312 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
313 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
315 * tree-chrec.c (chrec_fold_multiply_poly_poly,
316 chrec_fold_multiply): Same.
317 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
318 force_expr_to_var_cost): Same.
319 * tree-mudflap.c (mf_xform_derefs_1): Same.
320 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
322 2006-04-07 David Edelsohn <edelsohn@gnu.org>
324 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
325 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
328 2006-04-07 Jan Hubicka <jh@suse.cz>
330 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
332 2006-04-07 Richard Guenther <rguenther@suse.de>
334 PR tree-optimization/26135
335 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
336 loads for store copy-prop.
337 (copy_prop_visit_stmt): Likewise.
339 2006-04-05 Robert Millan <robertmh@gnu.org>
341 * gcc/config/i386/linux.h: Add a comment to mark macros that are
342 being overriden in config/k*bsd-gnu.h.
343 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
345 * gcc/config/knetbsd-gnu.h: Ditto.
347 2006-04-06 Jan Hubicka <jh@suse.cz>
351 * coverage.c (coverage_checksum_string): Reorganize loop to not read
354 2006-04-06 Mike Stump <mrs@apple.com>
356 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
357 for HAVE_nonlocal_goto to be consistent.
358 (expand_builtin_nonlocal_goto): Likewise.
359 (expand_builtin_strcmp): Use #ifdef instead of #if
360 for HAVE_cmpstrnsi to be consistent.
362 2006-04-05 DJ Delorie <dj@redhat.com>
364 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
367 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
369 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
370 got-relative addressing for anything but SImode.
372 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
373 even if the calling function doesn't modify them.
375 2006-04-05 Richard Guenther <rguenther@suse.de>
377 PR tree-optimization/26919
378 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
379 to cgraph_estimate_size_after_inlining.
381 2006-04-05 Alan Modra <amodra@bigpond.net.au>
383 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
385 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
387 PR tree-optimization/26996
388 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
389 VECTOR_TYPE variables.
391 2006-04-05 Richard Guenther <rguenther@suse.de>
393 PR tree-optimization/26763
394 * fold-const.c (fold_comparison): Move folding of
395 PTR + CST CMP PTR + CST ...
396 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
398 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
400 * doc/install.texi (Prerequisites): Refine some wording on
401 bootstrapping and ksh.
402 Move the version numbers of DejaGnu here from the testing section
403 and fix casing of names.
404 Fix markup and clarify wording for autogen requirements.
405 Refer to GCJ instead of just java.
406 Refer to SVN instead of CVS.
407 Describe diffutils as useful instead of necessary.
408 (Downloading the source): Refer to SVN instead of CVS.
409 Adjust a link to our web site accordingly.
410 (Configuration): Fix casing of Bison.
411 (Building): Refer to SVN instead of CVS.
412 Fix a sentence on the use of Bison and remove duplicate (and
413 incorrect) version number of Bison requirement.
414 Remove one redundant list of packages needed for building.
415 (Specific): Avoid reference to CVS.
417 2006-04-04 Eric Christopher <echristo@apple.com>
419 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
420 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
421 (rs6000_handle_struct_attribute): New.
422 (rs6000_ms_bitfield_layout_p): Ditto.
424 2006-04-04 Geoffrey Keating <geoffk@apple.com>
426 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
427 NULL for dso parameter to atexit_common.
429 2006-04-04 Eric Christopher <echristo@apple.com>
431 * config/i386/i386.c (machopic_output_stub): Output \t
432 between instructions and operands.
434 2006-04-04 David Edelsohn <edelsohn@gnu.org>
436 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
437 satisfies_constraint_[IL] to explicit tests on value.
439 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
441 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
442 set_nb_iterations_in_loop): Use build_int_cst instead of
444 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
445 build_int_cst instead of convert.
447 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
449 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
450 new value 2 for incoming.
451 * function.c (expand_function_start): Call struct_value_rtx
453 * config/sparc/sparc.md: Comment updated_return.
454 * config/sparc/sparc.opt: Add -mstd-struct-return option.
455 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
456 struct return if sparc_std_struct_return and incoming is 2.
457 (print_operand): Do not adjust return if
458 sparc_std_struct_return.
460 2006-04-04 Roger Sayle <roger@eyesopen.com>
462 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
463 convert in the middle-end.
464 * expr.c (store_expr, store_constructor, get_inner_reference,
465 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
467 * tree.c (build_range_type): Likewise.
469 2006-04-04 Tom Tromey <tromey@redhat.com>
471 * doc/install.texi (Prerequisites): Mention jar.
473 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
475 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
478 2006-04-04 Matthias Klose <doko@debian.org>
480 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
482 2006-04-03 Geoffrey Keating <geoffk@apple.com>
484 * doc/extend.texi (Function Attributes): Rewrite visibility
485 attribute documentation.
486 * doc/invoke.texi (C++ Dialect Options): Rewrite
487 -fvisibility-inlines-hidden documentation to describe something
488 entirely different, although in practise compatible.
489 (Code Gen Options): Warn about system headers in -fvisibiltity=
492 * doc/extend.texi (Other Builtins): Document that
493 __builtin_nan is a compile-time constant only when its argument
496 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
498 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
499 trying to remove TRUNCATE check if all bits outside the new mode
500 are identical to the sign bit.
502 2006-04-03 Jeff Law <law@redhat.com>
504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
505 and operand scanning in some common cases.
507 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
508 Dale Johannesen <dalej@apple.com>
511 * regclass.c (struct reg_pref): Update documentation.
512 (regclass): Set prefclass to NO_REGS if memory is the best option.
513 (record_reg_classes): Cope with a prefclass set to NO_REGS.
514 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
515 into account. For non-registers, equate an empty preferred
516 reload class to a `!' in the constraint; move the if clause to
517 do so after those that reject the insn.
518 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
520 (find_dummy_reload): Likewise.
521 * doc/tm.texi (Register Classes): Document what it means
522 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
523 * config/i386/i386.c (ix86_preferred_reload_class): Force
524 using SSE registers (and return NO_REGS for floating-point
525 constants) if math is done with SSE.
526 (ix86_preferred_output_reload_class): New.
527 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
528 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
529 * config/i386/i386.md: Remove # register preferences.
531 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
534 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
535 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
537 (instantiate_parameters_1): Convert the operands before calling
538 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
539 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
541 2006-04-02 Roger Sayle <roger@eyesopen.com>
543 * builtins.c (dummy_object): Use build_int_cst instead of convert.
544 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
546 * dojump.c (do_jump): Likewise.
547 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
548 * gimplify.c (gimple_boolify, gimplify_init_constructor,
549 gimplify_boolean_expr): Likewise.
550 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
551 * varasm.c (array_size_for_constructor): Likewise.
552 * tree-object-size.c (compute_object_offset): Likewise.
554 2006-04-02 Roger Sayle <roger@eyesopen.com>
557 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
558 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
560 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
562 PR tree-optimization/26939
563 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
565 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
567 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
568 at_stmt. Convert the type of operands before calling
569 build_polynomial_chrec.
570 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
572 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
573 (instantiate_parameters_1): Convert the type of operands before calling
574 build_polynomial_chrec.
575 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
576 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
577 reset_evolution_in_loop): Insert asserts to check the types of the
579 (chrec_type): Moved...
580 (eq_evolutions_p): Use operand_equal_p.
581 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
582 the types of the operands.
583 (chrec_type): ...here.
584 * tree-data-ref.c (create_data_ref): Convert the operands before
585 calling chrec_replace_initial_condition.
586 (same_access_functions, analyze_subscript_affine_affine,
587 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
588 (compute_subscript_distance, analyze_ziv_subscript,
589 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
590 analyze_miv_subscript): Convert the operands before calling
591 chrec_fold_minus or chrec_fold_plus.
593 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
595 * tree-data-ref.c (compute_all_dependences): Use a pointer to
596 the dependence_relations vector.
597 (compute_data_dependences_for_loop): Adjust call to
598 compute_all_dependences.
600 2006-04-01 Roger Sayle <roger@eyesopen.com>
601 Richard Henderson <rth@redhat.com>
603 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
604 gimple_boolify on the condition before calling gimplify_expr.
606 2006-03-31 Bob Wilson <bob.wilson@acm.org>
608 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
609 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
610 the frame size. Update to use the new macros.
611 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
612 * config/xtensa/ieee754-df.S: Likewise.
614 2006-03-31 Richard Henderson <rth@redhat.com>
616 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
617 (make_edges): ... here. Control fallthru creation with a local
618 variable. Do not play with fake edges.
619 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
620 (make_goto_expr_edges): Don't play with fake edges. Make for_call
623 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
625 * dwarf2.h (DW64_CIE_ID): Define.
626 * dwarf2out.c (DWARF_CIE_ID): Define.
627 (output_call_frame_info): Output 0xffffffff before standard 8-byte
628 length header. Use DWARF_CIE_ID.
629 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
630 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
632 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
634 * config/sh/linux-atomic.asm: New file.
635 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
637 2006-03-31 DJ Delorie <dj@redhat.com>
639 * config/m32c/cond.md: Set condition flags properly throughout.
640 * config/m32c/minmax.md: Likewise.
641 * config/m32c/prologue.md: Likewise.
642 * config/m32c/bitops.md: Likewise.
643 * config/m32c/muldiv.md: Likewise.
644 * config/m32c/mov.md: Likewise.
645 * config/m32c/addsub.md: Likewise.
646 * config/m32c/m32c.md: Likewise.
647 * config/m32c/jump.md: Likewise.
648 * config/m32c/shift.md: Likewise.
650 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
651 conditionally output the pattern for this.
652 * config/m32c/m32c.c (flags_needed_for_conditional): New.
653 (m32c_compare_redundant): New.
654 (m32c_output_compare): New.
655 * config/m32c/m32c-protos.h (m32c_output_compare): New.
657 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
658 dest, not src. Allow other 4-byte modes.
660 2006-03-30 Denis Chertykov <denisc@overta.ru>
662 * doc/md.texi: Refer to avr/constraints.md instead of
665 2006-03-30 Roger Sayle <roger@eyesopen.com>
667 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
668 signed vs. unsigned comparison failures on some hosts.
670 2006-03-31 Alan Modra <amodra@bigpond.net.au>
673 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
674 change to FLOAT_REGS.
676 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
677 (rs6000_override_options): Use it.
678 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
679 only for -mabi=spe/no-spe and -mabi=altivec.
681 2006-03-30 Geoffrey Keating <geoffk@apple.com>
683 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
686 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
688 * Makefile.in: Rename docdir to gcc_docdir.
690 2006-03-30 Roger Sayle <roger@eyesopen.com>
693 * expr.c (emit_group_store): Optimize group stores into a pseudo
694 register by using a paradoxical subreg to initialize the destination
695 if the first or last member of the group specifies a "low part".
697 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
700 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
701 * target.h (struct gcc_target.speculate_insn): Change type of the
702 second parameter to 'int'.
703 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
704 the second operand of the DEPS_LIST.
705 (copy_DEPS_LIST_list): Update reference to the second operand of the
707 * rtl.h (alloc_DEPS_LIST): Update signature.
708 * sched-int.h (ds_t): Change typedef to 'int'.
709 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
711 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
713 * haifa-sched.c (try_ready): Change condition to restore
714 non-speculative pattern of the instruction.
715 (process_insn_depend_be_in_spec): Code to keep probability of the
716 speculative dependence non-decreasing.
718 2006-03-30 Jie Zhang <jie.zhang@analog.com>
720 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
721 (single_move_for_movmem): ... this. Also change all uses.
722 (bfin_expand_strmov): Renamed to...
723 (bfin_expand_movmem): ... this. Also change all uses.
724 * config/bfin/bfin.md (movstrsi): Renamed to...
727 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
729 PR tree-optimization/26830
731 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
732 (copy_prop_visit_stmt): Remove write-only variable ann.
733 (init_copy_prop): Check variable loop depth here. Do not simulate
734 memory-tag and virtual operand PHIs except for store copy prop.
736 2006-03-30 Richard Guenther <rguenther@suse.de>
738 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
739 variants with double arguments.
741 2006-03-29 David Edelsohn <edelsohn@gnu.org>
743 * genpreds.c (write_tm_constrs_h): Delete variable p.
744 * genconditions.c (write_header): Add tm-constrs.h to included
746 * genpeep.c (main): Add toplev.h to included headers.
747 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
748 (build/genpeep.o): Add toplev.h dependency.
749 * config/rs6000/constraints.md: Add "W" constraint.
751 2006-03-29 Roger Sayle <roger@eyesopen.com>
753 * stor-layout.c (mode_for_size_tree): Remove restiction on type
754 sizes by correctly testing whether the size fits a host integer.
755 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
756 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
757 SImode range for the default sizetype and bitsizetype.
759 2006-03-29 Roger Sayle <roger@eyesopen.com>
761 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
762 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
763 quickly if the argument is already of the correct type.
764 Call fold_build1 instead of build1. Tidy up blank lines.
766 2006-03-29 David Edelsohn <edelsohn@gnu.org>
768 * genemit.c (main): Add tm-constrs.h to included headers.
769 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
770 * genpeep.c (main): Add tm-constrs.h to included headers.
771 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
772 (write_tm_constrs_h): this and write complete file.
773 (write_tm_preds_h): Do not emit satisfies_constraint fns.
774 (write_insn_preds_c): Add tm-constrs.h to included headers.
775 (gen_constrs): New variable.
776 (parse_option): Parse "-c".
777 (main): Invoke write_tm_constrs_h.
778 * genrecog.c (write_header): Add tm-constrs.h to included headers.
779 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
780 (object_out_file): Add tm-constrs.h dependency.
782 (insn-output.o): Same.
784 (insn-preds.o): Same.
785 (insn-recog.o): Same.
786 (tm-constsr.h): New target.
787 (s-constrs-h): New target.
789 * config/rs6000/constraints.md: New file.
790 * config/rs6000/rs6000.c: Include tm-constrs.h.
791 (num_insn_constant_wide): Convert to satisfies_constraint.
792 (rs6000_rtx_costs): Convert to satisfies_constraint.
793 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
794 (CONST_OK_FOR_LETTER_P): Delete.
795 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
796 (EXTRA_CONSTRAINT): Delete.
797 (EXTRA_MEMORY_CONSTRAINT): Delete.
798 (EXTRA_ADDRESS_CONSTRAINT): Delete.
799 * config/rs6000/predicates.md: Convert to satisfies_constraint.
800 * config/rs6000/rs6000.md: Include constraints.md. Convert to
801 satisfies_constraint.
803 * config/i386/i386.c: Include tm-constrs.h.
805 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
807 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
808 * tree-data-ref.c (find_data_references_in_loop,
809 compute_data_dependences_for_loop): Use pointers to VEC.
810 (analyze_all_data_dependences): Adjust calls.
811 * tree-data-ref.h (find_data_references_in_loop,
812 compute_data_dependences_for_loop): Adjust declarations.
813 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
814 compute_data_dependences_for_loop.
816 2006-03-29 Paul Brook <paul@codesourcery.com>
818 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
821 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
823 PR tree-optimization/26859
824 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
826 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
827 for the step after fold_convert.
829 2006-03-29 Paul Brook <paul@codesourcery.com>
831 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
832 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
834 2006-03-29 Paul Brook <paul@codesourcery.com>
837 * targhooks.c (default_narrow_bitfield): New fuction.
838 * targhooks.h (default_narrow_bitfield): add prototype.
839 * target.h (gcc_target): Add narrow_volatile_bitfield.
840 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
841 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
842 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
843 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
845 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
847 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
849 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
850 (NR_C_MODES): Add TDmode, DDmode and SDmode.
851 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
852 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
853 (s390_function_arg_float): Allow SDmode and DDmode values to be
854 passed in floating point registers.
855 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
856 check with SCALAR_FLOAT_MODE_P.
857 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
859 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
861 PR tree-optimization/25985
862 * tree-ssa-loop-niter.c (number_of_iterations_le,
863 number_of_iterations_ne): Make comments more precise.
864 (number_of_iterations_cond): Add only_exit argument. Use the
865 fact that signed variables do not overflow only when only_exit
867 (loop_only_exit_p): New.
868 (number_of_iterations_exit): Pass result of loop_only_exit_p to
869 number_of_iterations_cond.
871 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
873 PR tree-optimization/26643
874 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
877 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
879 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
880 (divsi3_i4_int): Likewise.
882 2006-03-28 Roger Sayle <roger@eyesopen.com>
884 * expr.c (emit_group_store): Only create a new pseudo reg if the
885 quantity it needs to hold isn't already a suitable pseudo.
887 2006-03-28 Jeff Law <law@redhat.com>
889 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
890 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
892 2006-03-28 Roger Sayle <roger@eyesopen.com>
894 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
895 the equivalent ~X & Y, and the symmetry related transformations.
896 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
897 ~X & Y, and symmetry related transforms.
899 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
901 Revert my 2006-03-27 patches.
903 2006-03-28 Roger Sayle <roger@eyesopen.com>
905 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
906 ~(T1)X, when T1 and T2 are integer types of the same precision
907 and (T2)X isn't an extension.
909 2006-03-28 Jeff Law <law@redhat.com>
911 PR tree-optimization/26796
912 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
913 need EH edge cleanups rather than purging them immediately.
914 (eliminate_degenerate_phis): Handle queued EH cleanups.
916 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
918 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
921 2006-03-27 Roger Sayle <roger@eyesopen.com>
924 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
925 cast BIT_NOT_EXPR operand to the correct type.
927 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
929 * tree-loop-linear.c: Don't include varray.h.
930 (gather_interchange_stats, try_interchange_loops,
931 linear_transform_loops): Use VEC instead of VARRAY.
932 * lambda-mat.c: Don't include varray.h.
933 * tree-chrec.c: Same.
934 * lambda-trans.c: Same.
935 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
936 VEC instead of VARRAY.
937 * tree-vectorizer.h: Idem.
938 * tree-data-ref.c (dump_data_references,
939 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
940 initialize_data_dependence_relation, finalize_ddr_dependent,
941 compute_all_dependences, find_data_references_in_loop,
942 compute_data_dependences_for_loop, analyze_all_data_dependences,
943 free_dependence_relation, free_dependence_relations,
944 free_data_refs): Idem.
945 * tree-data-ref.h (data_reference_p, subscript_p): New.
946 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
947 VEC instead of VARRAY.
948 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
949 (find_data_references_in_loop, compute_data_dependences_for_loop,
950 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
951 dump_data_dependence_relations, free_dependence_relations,
952 free_data_refs): Adjust declaration.
953 (lambda_transform_legal_p): Move declaration here...
954 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
955 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
956 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
957 vect_analyze_data_refs): Use VEC instead of VARRAY.
958 * lambda.h (lambda_transform_legal_p): ...from here.
959 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
960 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
961 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
962 tree-chrec.o): Don't depend on VARRAY_H.
964 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
966 * rtl.def (Copyright): Update date.
967 (DEPS_LIST): Change type of the second operand to 'int'.
968 * target.h (Copyright): Update date.
969 (struct gcc_target.speculate_insn): Change type of the second parameter
971 * lists.c (Copyright): Update date.
972 (alloc_DEPS_LIST): Change signature. Update reference to the second
973 operand of the DEPS_LIST.
974 (copy_DEPS_LIST_list): Update reference to the second operand of the
976 * rtl.h (Copyright): Update date.
977 (alloc_DEPS_LIST): Update signature.
978 * sched-int.h (Copyright): Update date.
979 (ds_t): Change typedef to 'int'.
980 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
982 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
984 * haifa-sched.c (Copyright): Update date.
985 (try_ready): Change condition to restore non-speculative pattern
987 (process_insn_depend_be_in_spec): Code to keep probability of the
988 speculative dependence non-decreasing.
990 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
992 * regrename.c (replace_oldest_value_addr): Initialize a variable to
993 shut up the compiler.
995 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
997 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
998 to use lib prefix for target.
999 ($(T)libic_invalidate_array_4-200.a): Likewise.
1000 ($(T)libic_invalidate_array_4a.a): Likewise.
1002 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1003 J"orn Rennecke <joern.rennecke@st.com>
1005 * superh.opt: New file.
1006 * sh.c (boardtype, osruntime): Remove.
1007 * superh.h (SUBTARGET_OPTIONS): Remove.
1008 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1010 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1011 arguments with ^ and/or [].
1013 * config.gcc (sh-*-*): Add quoting to account for quirk of
1015 Replace == with = in enable_incomplete_targets test.
1017 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1018 with MASK_LITTLE_ENDIAN.
1020 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1021 * config/sh/sh.opt: Added to some comments.
1022 * config/sh/superh.h: Removed some chaff.
1024 * config/sh/sh.opt: Add m4-[1234]00* options.
1025 * config/sh/sh.c (sh_handle_option): Likewise.
1026 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1027 (ic_invalidate_array_4-100.o): New rule.
1028 ($(T)libic_invalidate_array_4-100.a): Likewise.
1029 (ic_invalidate_array_4-200.o): Likewise.
1030 ($(T)libic_invalidate_array_4-200.a): Likewise.
1031 (ic_invalidate_array_4a.o): Likewise.
1032 ($(T)libic_invalidate_array_4a.a): Likewise.
1033 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1034 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1036 * config/sh/crt1.asm: Merged in profiling code.
1037 * config/sh/superh.h (STARTFILE_SPEC): Override.
1038 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1039 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1040 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1042 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1043 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1044 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1046 * sh.opt (mpretend-cmove): New option.
1047 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1048 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1049 (movsicc): Add TARGET_PRETEND_CMOVE code.
1051 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1053 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1054 s390_class_max_nregs): New function prototypes.
1055 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1056 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1057 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1058 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1060 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1062 * dwarf2out.c (add_location_or_const_value_attribute): Call
1063 tree_add_const_value_attribute if nothing else works.
1064 (reference_to_unused): New.
1065 (rtl_for_decl_init): Use reference_to_unused to decide whether
1066 to output an initializer.
1068 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1071 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1072 peephole removing spe frob_di_df_2.
1074 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1076 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1077 (subscript_dependence_tester_1): Declared.
1078 (print_dir_vectors, print_dist_vectors): New.
1079 (debug_data_dependence_relation): New.
1080 (dump_data_dependence_relation): Print more details.
1081 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1082 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1083 (save_dist_v, save_dir_v, add_outer_distances,
1084 build_classic_dist_vector_1): New.
1085 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1086 Don't test for lambda_vector_lexico_pos.
1087 (same_access_functions, add_multivariate_self_dist,
1088 add_other_self_distances, dir_from_dist): New.
1089 (build_classic_dir_vector): Replace implementation almost identical to
1090 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1092 (subscript_dependence_tester_1): New.
1093 (subscript_dependence_tester): Handle the lexicographically negative
1094 distance vectors by recomputing the dependence relation.
1095 (compute_affine_dependence): Remove parameter loop_nest_depth.
1096 (compute_self_dependence): Don't call compute_subscript_distance.
1097 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1098 Add a parameter for the loop_nest.
1099 (find_loop_nest_1, find_loop_nest): New.
1100 (compute_data_dependences_for_loop): Compute the loop nest, and give
1101 up if the nest is not well formed.
1102 * tree-data-ref.h (loop_p): New.
1103 (struct data_dependence_relation): Replace size_vect field with
1104 loop_nest, a vec of loops.
1105 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1106 (DDR_LOOP_NEST): New.
1107 (print_dir_vectors, print_dist_vectors,
1108 debug_data_dependence_relation): Declared.
1109 (index_in_loop_nest): New.
1110 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1111 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1114 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1116 * simplify-rtx.c (simplify_relational_operation): Call
1117 simplify_relational_operation_1 even if mode is VOIDmode.
1119 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1121 PR tree-optimization/26804
1122 * tree.h (DECL_CALL_CLOBBERED): New macro.
1123 (tree_decl_common): Add call_clobbered_flag.
1124 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1125 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1126 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1127 (mark_non_addressable): Ditto.
1128 * tree-ssa.c (verify_call_clobbered): New function.
1129 (verify_alias_info): Use it.
1130 * tree-pass.h (pass_reset_cc_flags): New prototype.
1131 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1132 (reset_cc_flags): New function.
1133 * passes.c (init_optimization_passes): Call reset_cc_flags after
1134 initializing referenced_vars.
1136 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1137 Roger Sayle <roger@eyesopen.com>
1140 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1141 to 1.0 for non-real operands. Implement A / A optimization for
1144 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1146 * config/i386/i386.c (size_cost): Correct the comment for
1147 cost of storing fp registers.
1148 (i386_cost): Likewise.
1149 (i486_cost): Likewise.
1150 (pentium_cost): Likewise.
1151 (pentiumpro_cost): Likewise.
1152 (k6_cost): Likewise.
1153 (athlon_cost): Likewise.
1154 (k8_cost): Likewise.
1155 (pentium4_cost): Likewise.
1156 (nocona_cost): Likewise.
1157 (generic64_cost): Likewise.
1158 (generic32_cost): Likewise.
1160 2006-03-24 Denis Chertykov <denisc@overta.ru>
1162 * config/avr/avr-protos.h (extra_constraint): Delete.
1163 (extra_constraint_Q): New declaration.
1164 * config/avr/constraints.md: New file.
1165 * config/avr/avr.md: Include it.
1166 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1167 (TMP_REGNO, ZERO_REGNO): Likewise.
1168 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1169 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1170 (extra_constraint): Delete.
1171 (extra_constraint_Q): Test for memory constraint 'Q'.
1172 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1173 (REG_CLASS_FROM_LETTER): Delete.
1174 (CONST_OK_FOR_LETTER_P): Delete.
1175 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1176 (EXTRA_CONSTRAINT): Delete.
1177 (TMP_REGNO): Delete.
1178 (ZERO_REGNO): Delete.
1180 2006-03-24 Jeff Law <law@redhat.com>
1182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1183 directly. Call mark_new_vars_to_rename slightly earlier.
1185 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1187 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1189 (gen_compile_unit_die): Use new language types for Objective-C and
1191 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1192 DW_LANG_C_plus_plus.
1195 * config/t-darwin (crt3.o): Work around bug 26840.
1196 * config/darwin-crt3.c: Rewrite.
1197 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1199 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1201 * doc/invoke.texi: Document -femit-class-debug-always
1202 * common.opt: Add -femit-class-debug-always.
1204 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1206 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1207 index and base register.
1208 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1209 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1210 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1211 REGNO_OK_FOR_INDEX_P.
1212 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1214 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1215 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1216 REG_OK_FOR_BASE_P): Definitions removed.
1218 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1221 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1222 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1223 set yet or weren't marked as local yet.
1225 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1227 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1230 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1232 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1233 (rs6000_legitimate_small_data_p): Delete.
1234 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1235 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1236 and make static. Add forward declaration. Update uses.
1237 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1238 of offsettable_memref_p.
1239 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1240 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1242 2006-03-24 Jeff Law <law@redhat.com>
1244 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1245 around bug in immediate-use iterator.
1247 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1250 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1251 or __LITTLE_ENDIAN__.
1253 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1255 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1256 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1257 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1258 * config/sh/sh.opt (mdiv=): Amend description.
1259 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1260 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1261 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1262 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1263 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1264 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1265 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1266 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1267 TARGET_DIVIDE_CALL_FP.
1269 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1271 * haifa-sched.c (choose_ready): Fix type of the local variable.
1272 Move local variables. Add comment.
1273 (check_reg_live): Change signature. Make callable from debugger.
1274 * sched-int.h (check_reg_live): Update signature.
1275 * sched-ebb.c (check_reg_live): Update parameters.
1276 * sched-rgn.c (check_reg_live): Ditto.
1277 (region_head_or_leaf_p): Check pointer before dereferencing.
1278 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1279 before reload on optimization levels below 1.
1281 2006-03-23 Richard Henderson <rth@redhat.com>
1283 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1287 * config/alpha/predicates.md (local_symbolic_operand): Reject
1290 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1293 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1294 expressions which have overflowed constants.
1296 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1298 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1300 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1302 * cfgloopmanip.c (create_loop_notes): Removed.
1303 * final.c (final_scan_insn): Do not handle loop notes.
1304 * jump.c (squeeze_notes): Ditto.
1305 * cfglayout.c (skip_insns_after_block,
1306 duplicate_insn_chain): Ditto.
1307 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1309 * cfgloop.h (create_loop_notes): Declaration removed.
1311 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1313 * varasm.c (output_constant_pool): Restore fnname and fndecl
1315 (assemble_start_function): Adjust call accordingly.
1316 (assemble_end_function): Likewise.
1318 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1321 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1324 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1326 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1329 * system.h (ICE_EXIT_CODE): New macro.
1330 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1331 (diagnostic_action_after_output): Likewise.
1332 * gcc.c (fatal_ice): New function.
1333 (execute): Use it instead of fatal.
1334 (fancy_abort): Likewise.
1335 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1337 2006-03-22 Jeff Law <law@redhat.com>
1339 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1340 iv_analyze_result returning false.
1342 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1344 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1346 2006-03-22 Richard Henderson <rth@redhat.com>
1349 * except.c (duplicate_eh_regions_0): New.
1350 (duplicate_eh_region_1): Duplicate the children of the node as
1351 well as the node itself. Link them up properly.
1352 (duplicate_eh_region_2): Merge into ...
1353 (duplicate_eh_regions): ... here. Take copy_region argument, and
1354 copy only a sub-tree if asked. Simplify copying and fixup.
1355 (eh_region_outer_p): New.
1356 * except.h (duplicate_eh_regions): Update decl.
1357 (eh_region_outer_p): Declare.
1358 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1359 (lower_omp_master): Likewise.
1360 (lower_omp_ordered): Likewise.
1361 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1362 (move_stmt_r): Use it to remap labels. Handle recursion vs
1363 remap_decls_p properly.
1364 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1365 (find_outermost_region_in_block): New.
1366 (new_label_mapper): New.
1367 (move_sese_region_to_fn): Copy eh information to the new function
1369 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1371 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1374 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1376 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1377 into shared libraries.
1379 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1381 * doc/md.texi: Refer to i386/constraints.md instead of
1383 * config/i386/constraints.md: New file, extracted from...
1384 * config/i386/predicates.md: ...here.
1385 * config/i386/i386.md: Include constraints.md.
1387 2006-03-21 Jason Merrill <jason@redhat.com>
1389 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1392 * expr.c (init_block_move_fn): Force default visibility.
1393 (init_block_clear_fn): Likewise.
1394 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1395 * targhooks.c (default_external_stack_protect_fail): Likewise.
1397 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1399 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1400 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1401 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1402 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1403 (loadgp): Use mips_current_loadgp_style.
1404 (loadgp_noshared): New pattern.
1405 (sibcall_internal): Use MIPS_CALL.
1406 (sibcall_value_internal): Likewise.
1407 (sibcall_value_multiple_internal): Likewise.
1408 (call_internal): Likewise.
1409 (call_value_internal): Likewise.
1410 (call_value_multiple_internal): Likewise.
1411 (call_split): Use MIPS_CALL and add an 'S' constraint.
1412 (call_value_split): Likewise.
1413 (call_value_multiple_split): Likewise.
1414 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1415 (-mshared): New option.
1416 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1417 (mips_current_loadgp_style): Declare.
1418 * config/mips/mips.c (mips_classify_symbol): Avoid using
1419 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1420 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1421 TARGET_ABSOLUTE_ABICALLS.
1422 (override_options): Adjust comments. Improve the warning that is
1423 issued when -mabicalls and -G are used together.
1424 (mips_file_start): Remove comment.
1425 (mips_current_loadgp_style): New function.
1426 (mips_gnu_local_gp): New variable.
1427 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1429 (mips_output_function_prologue): Use mips_current_laodgp_style.
1430 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1431 the cprestore instruction.
1432 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1433 live for TARGET_ABSOLUTE_ABICALLS.
1434 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1435 (ASM_SPEC): Pass down -mshared and -mno-shared.
1436 (MIPS_CALL): New macro.
1437 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1439 * doc/invoke.texi (-mabicalls): Update documentation.
1440 (-mshared): Document.
1442 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1444 * config/ia64/unwind-hpux.c: New file.
1445 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1447 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1450 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1452 2006-03-21 Jeff Law <law@redhat.com>
1454 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1455 type conversions of a VR_VARYING source to a wider type.
1457 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1459 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1460 tm_file on Solaris 10 and later.
1461 (sparc64-*-solaris2*): Likewise.
1462 (sparc-*-solaris2*): Likewise.
1463 * config/sol26.h: Rename to config/sol2-6.h.
1464 * config/sol2-10.h: New file.
1466 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1469 * tree-ssa-pre.c (create_component_ref_by_pieces):
1472 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1475 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1476 return it immediately.
1478 2006-03-21 Michael Matz <matz@suse.de>
1480 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1482 (remove_arc, add_arc): Update num_out_arcs member.
1483 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1485 (cache_presence): New function.
1486 (compare_states_for_equiv): New function.
1487 (state_is_differed): Don't take number of outargs, adjust callers.
1488 Use new invariant for speeding up.
1489 (init_equiv_class): Create initial classes based on sorted
1491 (partition_equiv_class): Don't track out_arcs_num.
1492 (evaluate_equiv_classes): Call cache_presence on all states and
1495 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1497 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1498 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1499 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1500 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1502 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1503 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1504 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1505 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1506 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1508 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1509 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1510 (REGNO_REG_CLASS): ARGP is in PREGS.
1511 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1513 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1514 to deal with those addresses.
1515 * addresses.h: New file.
1516 * caller-save.c: Include "addresses.h".
1517 (init_caller_save): Use new base_reg_class function.
1518 * rtl-factoring.c: Include "addresses.h".
1519 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1520 * recog.c: Include "addresses.h".
1521 (preprocess_constraints): Use new base_reg_class function.
1522 * regrename.c: Include "addresses.h".
1523 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1524 functions. Keep track of a new var INDEX_CODE to compute valid
1526 (replace_oldest_value_addr): Likewise.
1527 (replace_oldest_value_mem): Use base_reg_class.
1528 * reload.c: Include "addresses.h".
1529 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1530 (find_reloads): Use new base_reg_class function.
1531 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1532 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1533 all callers and prototype changed.
1534 * reload1.c: Include "addresses.h".
1535 (maybe_fix_stack_asms): Use base_reg_class.
1536 * regclass.c: Include "addresses.h".
1537 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1538 (init_reg_autoinc): Use new base_reg_class function.
1539 (record_reg_classes): Likewise.
1540 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1541 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1542 Use new args to compute necessary class.
1544 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1545 regrename.o, rtl-factoring.o): Update dependencies.
1546 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1547 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1548 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1549 REG_OK_FOR_INDEX_P): Delete documentation.
1551 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1553 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1554 from V7 to V9 for Solaris 7 and above.
1556 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1558 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1559 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1560 argument pointers may not alias any other storage.
1561 * common.opt: Define option -fargument-noalias-anything.
1562 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1563 alias semantics is specified by flag_argument_noalias > 2.
1565 2006-03-20 Jeff Law <law@redhat.com>
1567 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1568 (pass_phi_only_cprop): Declare.
1569 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1571 * tree-ssa-dom.c (degenerate_phi_result): New function.
1572 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1573 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1574 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1575 (eliminate_degenerate_phis): Likewise.
1576 (pass_phi_only_cprop): New pass descriptor.
1577 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1578 support code. Callers updated.
1579 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1580 (store_copy_prop): Likewise.
1581 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1583 2006-03-20 Jason Merrill <jason@redhat.com>
1586 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1587 (push_visibility, pop_visibility): Likewise.
1588 * c-pragma.h: Declare them.
1590 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1592 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1594 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1595 parameter and use get_ebb_head_tail.
1596 (sh_md_init_global): Adjust uses of find_regmode_weight.
1598 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1600 * function.h (struct function) <x_tail_recursion_reentry>:
1601 Rename to x_stack_check_probe_note.
1602 (tail_recursion_reentry): Rename to stack_check_probe_note.
1603 * function.c: Replace tail_recursion_reentry with
1604 stack_check_probe_note everywhere.
1605 (expand_function_start): Only emit a note for
1606 stack_check_probe_note with -fstack-protect.
1607 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1609 * emit-rtl.c (remove_unnecessary_notes): Remove.
1610 (pass_remove_unnecessary_notes): Remove.
1611 * rtl.h (remove_unnecessary_notes): Remove prototype.
1612 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1613 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1614 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1616 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1619 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1620 (valid_in_set): Handle ARRAY_REF.
1621 Change "if min_variant or VH" to asserts.
1622 (create_component_ref_by_pieces): Handle ARRAY_REF.
1623 (create_expression_by_pieces): Likewise.
1624 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1626 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1628 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1629 is operand of switch, not str[0].
1631 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1633 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1634 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1636 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1638 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1639 end of insn_extra_address_constraint declaration.
1641 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1643 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1644 (no-sum-in-toc): Same.
1645 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1647 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1648 NO_FP_IN_TOC for -fPIC instead of mask.
1650 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1651 (BOOT_LDFLAGS): Delete.
1653 * config/rs6000/t-aix52: Same.
1655 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1656 (stmsi[345678]_power): New.
1658 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1660 * config/ia64/ia64.opt: Add empty line to end of file.
1662 2006-03-17 Richard Guenther <rguenther@suse.de>
1665 * builtins.c (get_pointer_alignment): For component style references
1666 adjust alignment to the component type alignment. Make sure
1667 to adjust alignment for component access of constants.
1669 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1671 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1674 2006-03-17 Paul Brook <paul@codesourcery.com>
1676 * doc/install.texi: Docuemnt --with-mode.
1677 * config.gcc: Add --with-mode for arm*-*-*.
1678 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1680 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1682 * sh.c (max_labelno_before_reorg): New variable.
1683 (sh_reorg): Initialize it.
1684 (find_barrier): Check max_labelno_before_reorg before using
1685 label_to_alignment. Take length of explicit alignment insns
1686 into account. When seeing a UNSPECV_CONST_END, return it.
1688 * sh.c (fixup_mova): Set mode of affected label to QImode.
1689 (untangle_mova): New function.
1690 (find_barrier): Use it. Check mode of label before decrementing
1692 (sh_reorg): Likewise.
1693 Set mode of all insns back to VOIDmode.
1695 * sh.c (MOVA_LABELREF): New macro.
1696 (mova_p, fixup_mova, sh_reorg): Use it.
1697 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1698 ADDR_DIFF_VEC matches mova.
1700 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1702 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1703 with ATTRIBUTE_UNUSED.
1705 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1707 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1708 pointer, instead of assuming it is possible to derive the
1709 correct args size from a call insn.
1711 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1713 * rtl.h (CONST_INT_P): Define.
1714 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1715 instead of GET_CODE(x) == CONST_INT.
1716 (vax_rtx_costs): Likewise.
1717 (vax_output_int_move): Likewise.
1718 (vax_output_int_add): Likewise.
1719 (legitimate_constant_address_p): Likewise.
1720 (index_term_p): Likewise.
1721 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1722 * config/vax/vax.md (and<mode>3): Likewise.
1723 (ashrsi3): Likewise.
1725 (movstricthi): Likewise.
1726 (movstrictqi): Likewise.
1727 (rotrsi3): Likewise.
1728 (five unnamed insns): Likewise.
1730 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1732 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1733 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1734 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1735 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1736 Pass to ASM_OUTPUT_DWARF_OFFSET.
1737 * dwarf2out.c (debug_frame_section): New.
1738 (output_call_frame_info): Use debug_frame_section. Pass it to
1739 dw2_asm_output_offset.
1740 (output_die): Pass appropriate section to dw2_asm_output_offset.
1741 (output_compilation_unit_header): Likewise.
1742 (output_pubnames): Likewise.
1743 (output_aranges): Likewise.
1744 (enum dw_val_class): Break dw_val_class_lbl_offset into
1745 dw_val_class_lineptr and dw_val_class_macptr.
1746 (add_AT_lbl_offset): Delete.
1747 (add_AT_lineptr): New.
1748 (add_AT_macptr): New.
1749 (AT_lbl): Expect a lineptr or macptr.
1750 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1751 (attr_checksum): Likewise.
1752 (same_dw_val_p): Likewise.
1753 (size_of_die): Likewise.
1754 (value_format): Likewise.
1755 (output_die): Likewise.
1756 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1758 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1759 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1760 * config/darwin-protos.h (darwin_file_start): New.
1761 (darwin_asm_output_dwarf_offset): New.
1762 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1763 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1765 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1766 if not EH section; simplify.
1767 (darwin_file_start): New.
1768 (darwin_asm_output_dwarf_offset): New.
1769 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1771 (DEBUG_INFO_SECTION): Likewise.
1772 (DEBUG_ABBREV_SECTION): Likewise.
1773 (DEBUG_ARANGES_SECTION): Likewise.
1774 (DEBUG_MACINFO_SECTION): Likewise.
1775 (DEBUG_LINE_SECTION): Likewise.
1776 (DEBUG_LOC_SECTION): Likewise.
1777 (DEBUG_PUBNAMES_SECTION): Likewise.
1778 (DEBUG_STR_SECTION): Likewise.
1779 (DEBUG_RANGES_SECTION): Likewise.
1780 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1781 (ASM_OUTPUT_DWARF_OFFSET): New.
1783 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1785 * config.gcc (tm_defines): Always add to previous value rather
1788 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1790 * config/mips/predicates.md (splittable_const_int_operand): New,
1791 split from move_operand.
1792 (splittable_symbolic_operand): New.
1793 (move_operand): Add commentary. Use splittable_const_int_operand.
1794 Inline mips_atomic_symbolic_constant_p.
1795 * config/mips/mips.md: Add combine splitters for handling moves
1796 of splittable_const_int_operands and splittable_symbolic_operands.
1797 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1798 (mips_split_symbol): Declare.
1799 (mips_move_integer): Declare.
1800 * config/mips/mips.c (mips_split_p): Make global.
1801 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1802 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1803 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1804 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1805 (mips_offset_within_object_p): Handle block symbols.
1806 (mips_atomic_symbolic_constant_p): Delete.
1807 (mips_cannot_force_const_mem): Return false for constants that
1808 mips_legitimize_move can handle.
1809 (mips_use_blocks_for_constant_p): New function.
1810 (mips_split_symbol): Make global.
1811 (mips_move_integer): Likewise. Add a temporary register argument.
1812 (mips_legitimize_const_move): Use splittable_const_int_operand and
1813 splittable_symbolic_operand.
1814 (mips_use_anchors_for_symbol_p): New function.
1815 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1816 (mips_split_p): Declare.
1818 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1820 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1821 (mips*-*-linux*): Likewise.
1823 2006-03-16 Roger Sayle <roger@eyesopen.com>
1824 Daniel Speyer <dspeyer@wam.umd.edu>
1827 * tree-dump.c (dump_real): New function.
1828 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1829 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1830 (tree-dump.o): Add $(REAL_H) to the dependencies.
1832 2006-03-16 Roger Sayle <roger@eyesopen.com>
1835 * real.c (real_from_string): If the mantissa is zero, don't bother
1836 parsing the exponent as the result should always be zero.
1838 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1840 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1842 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1844 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1845 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1846 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1847 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1848 ia64_sched_finish_global): New static functions to implement
1849 hooks from gcc_target.sched.
1850 (spec_check_no, max_uid, pending_data_specs): New static variables.
1851 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1852 ia64_spec_check_src_p): New static functions.
1853 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1854 (TARGET_SCHED_ADJUST_COST): Removed.
1855 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1856 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1857 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1858 TARGET_SCHED_GEN_CHECK,
1859 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1860 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1861 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1862 Fixed to handle speculation checks.
1863 (rtx_needs_barrier): Fixed to handle speculative loads and
1865 (ia64_variable_issue): Added code to count speculative loads and their
1867 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1869 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1871 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1873 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1874 (ia64_reorg): Reset stops_p to NULL after it is freed.
1875 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1876 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1877 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1879 (data_speculative, control_speculative, check_load): New attributes.
1880 (mov<mode>_advanced, mov<mode>_speculative,
1881 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1882 zero_extend<mode>di2_speculative,
1883 zero_extend<mode>di2_speculative_advanced): New patterns for
1884 data and control speculative loads.
1885 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1887 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1888 New pattern for data and control speculation checks.
1889 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1890 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1891 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1892 Auxiliary definitions for the patterns.
1893 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1894 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1896 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1898 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1899 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1900 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1901 New resource constraints.
1902 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1904 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1905 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1906 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1907 msched-in-control-spec, msched-ldc, msched-control-ldc,
1908 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1909 msched-prefer-non-control-spec-insns,
1910 msched-count-spec-in-critical-path): New flags to tune speculative
1912 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1913 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1914 msched-in-control-spec, msched-ldc, msched-control-ldc,
1915 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1916 msched-prefer-non-control-spec-insns,
1917 msched-count-spec-in-critical-path): Document new flags.
1919 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1921 * target.h (struct spec_info_def): New opaque declaration.
1922 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1923 speculate_insn, needs_block_p, gen_check,
1924 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1925 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1926 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1927 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1928 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1929 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1931 (TARGET_SCHED): Use new macros.
1932 * rtl.h (copy_DEPS_LIST_list): New prototype.
1933 * sched-int.h (struct sched_info): Change signature of new_ready field,
1934 adjust all initializations. New fields: add_remove_insn,
1935 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1936 region_head_or_leaf_p.
1937 (struct spec_info_def): New structure declaration.
1938 (spec_info_t): New typedef.
1939 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1940 recovery_block, orig_pat.
1941 (glat_start, glat_end): New variables declaraions.
1942 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1944 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1945 DETACH_LIFE_INFO, USE_GLAT.
1946 (enum SPEC_SCHED_FLAGS): New enumeration.
1947 (NOTE_NOTE_BB_P): New macro.
1948 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1949 attach_life_info, debug_spec_status, check_reg_live): New functions.
1950 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1951 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1953 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1954 * ddg.c (get_block_head_tail): Adjust all uses.
1955 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1956 (sms_sched_info): Initialize new fields.
1957 (contributes_to_priority): Removed.
1958 * haifa-sched.c (params.h): New include.
1959 (get_block_head_tail): Adjust all uses.
1960 (ISSUE_POINTS): New macro.
1961 (glat_start, glat_end): New global variables.
1962 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1963 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1964 old_last_basic_block, before_recovery, current_sched_info_var,
1965 rgn_n_insns, luid): New static variables.
1966 (insn_cost1): New function. Move logic from insn_cost to here.
1967 (find_insn_reg_weight1): New function. Move logic from
1968 find_insn_reg_weight to here.
1969 (reemit_notes, move_insn, max_issue): Change signature.
1970 (move_insn1): Removed.
1971 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1972 extend_bb): New static functions to support extension of scheduler's
1974 (generate_recovery_code, process_insn_depend_be_in_spec,
1975 begin_speculative_block, add_to_speculative_block,
1976 init_before_recovery, create_recovery_block, create_check_block_twin,
1977 fix_recovery_deps): New static functions to support
1978 generation of recovery code.
1979 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1980 restore_bb_notes, move_block_after_check, move_succs): New static
1981 functions to support ebb scheduling.
1982 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1983 functions to support handling of register live information.
1984 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1985 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1986 add_jump_dependencies): New static functions.
1987 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1988 consistancy checking.
1989 (debug_spec_status): New function to call from debugger.
1990 (priority): Added code to handle speculation checks.
1991 (rank_for_schedule): Added code to distinguish speculative instructions.
1992 (schedule_insn): Added code to handle speculation checks.
1993 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1994 Fixed to handle ebbs.
1995 (move_insn): Added code to handle ebb scheduling.
1996 (max_issue): Added code to use ISSUE_POINTS of instructions.
1997 (choose_ready): Added code to choose between speculative and
1998 non-speculative instructions.
1999 (schedule_block): Added code to handle ebb scheduling and scheduling of
2000 speculative instructions.
2001 (sched_init): Initialize new variables.
2002 (sched_finish): Free new variables. Print statistics.
2003 (try_ready): Added code to handle speculative instructions.
2004 * lists.c (copy_DEPS_LIST_list): New function.
2005 * sched-deps.c (extend_dependency_caches): New function. Move logic
2006 from create_dependency_caches to here.
2007 (get_dep_weak, ds_merge): Make global.
2008 * genattr.c (main): Code to output prototype for
2009 dfa_clear_single_insn_cache.
2010 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2011 (output_dfa_clean_insn_cache_func): Code to output
2012 dfa_clear_single_insn_cache function.
2013 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2015 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2017 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2018 New static variables.
2019 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2020 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2022 (ebb_sched_info): Initialize new fields.
2023 (get_block_head_tail): Adjust all uses.
2024 (compute_jump_reg_dependencies): Fixed to use glat_start.
2025 (schedule_ebb): Code to remove unreachable last block.
2026 (schedule_ebbs): Added code to update register live information.
2027 * sched-rgn.c (region_sched_info): Initialize new fields.
2028 (get_block_head_tail): Adjust all uses.
2029 (last_was_jump): Removed. Adjust users.
2030 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2031 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2032 Implement new hooks.
2033 (check_dead_notes1): New static function.
2034 (struct region): New fields: dont_calc_deps, has_real_ebb.
2035 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2036 (BB_TO_BLOCK): Fixed to handle EBBs.
2037 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2038 (ebb_head): New static variable.
2039 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2040 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2042 (compute_dom_prob_ps): New assertion.
2043 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2044 global_live_at_start.
2045 (init_ready_list): New assertions.
2046 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2047 (new_ready): Add support for BEGIN_CONTROL speculation.
2048 (schedule_insns): Fixed code that updates register live information
2050 (schedule_region): Fixed to handle EBBs.
2051 (init_regions): Use extend_regions and check_dead_notes1.
2052 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2053 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2054 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2055 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2056 TARGET_SCHED_GEN_CHECK,
2057 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2058 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2059 * doc/invoke.texi (max-sched-insn-conflict-delay,
2060 sched-spec-prob-cutoff): Document.
2062 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2064 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2065 inter_tick, queue_index.
2066 (struct sched_info): Change signature of init_ready_list field.
2067 Adjust all initializations.
2068 (RESOLVED_DEPS): New access macro.
2069 (ready_add): Remove prototype.
2070 (try_ready): Add prototype.
2071 * sched-rgn.c (init_ready_list): Use try_ready.
2072 (schedule_region): Initialize
2073 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2074 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2075 (init_ready_list): Use try_ready.
2076 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2077 * lists.c (remove_list_elem): Remove `static'.
2078 (remove_free_INSN_LIST_elem): New function.
2079 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2080 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2081 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2083 (readyp): New variable.
2084 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2085 change_queue_index, resolve_dep): New static functions.
2086 (try_ready): New function. Adjust callers in sched-rgn.c and
2087 sched-ebb.c to use it instead of ready_add.
2088 (clock_var): Move at the begining of file.
2089 (rank_for_schedule): Fix typo.
2090 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2091 (ready_lastpos): Enforce assertion.
2092 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2094 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2095 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2096 (queue_to_ready): Use free_INSN_LIST_list.
2097 (early_queue_to_ready): Fix typo.
2098 (schedule_block): Init readyp. Move init_ready_list call after the
2099 initialization of clock_var. Fix error in rejecting insn by
2100 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2101 that previously corrected INSN_TICKs. Add code for handling
2103 (set_priorities): Fix typo.
2104 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2105 Clarify comment and code that keeps current_sched_info->next_tail
2108 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2110 * sched-rgn.c (extend_rgns): New static function.
2111 (find_rgns): Use it.
2112 (gather_region_statistics, print_region_statistics): New static
2114 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2115 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2117 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2118 Andrey Belevantsev <abel@ispras.ru>
2120 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2121 * lists.c (unused_deps_list): New variable.
2122 (free_list): Add assertions to verify the proper distinguishing
2123 between INSN_LISTs and DEPS_LISTs.
2124 (find_list_elem, remove_list_elem, remove_list_node): New static
2126 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2127 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2128 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2129 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2131 (free_INSN_LIST_node): Likewise.
2132 * modulo-sched.c (current_sched_info): Initialize flags field.
2133 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2134 * rtl.def (DEPS_LIST): Define.
2135 * rtl.h: Declare new functions from lists.c.
2136 * sched-deps.c (spec_dependency_cache): New static variable.
2137 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2138 (add_dependence): Change return type to void. Move the logic to ...
2139 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2140 (delete_all_dependences): Add comment about forward_dependency_cache.
2141 Handle spec_dependency_cache. Handle DEPS_LISTs.
2142 (fixup_sched_groups): Clarify the change of priority of output
2143 and anti dependencies.
2144 (sched_analyze_2): Adjust add_dependence calls to create data
2145 speculative dependence.
2146 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2147 Adjust all callers. Handle DEPS_LISTS.
2148 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2149 presence of speculation.
2150 (init_dependency_caches, free_dependency_caches):
2151 Handle spec_dependency_cache.
2152 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2153 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2154 New static functions.
2155 (add_or_update_back_dep, add_or_update_back_forw_dep,
2156 add_back_forw_dep, delete_back_forw_dep): New functions.
2157 * sched-int.h (ds_t, dw_t): New typedefs.
2158 (struct sched_info): Add new field flags.
2159 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2160 Prototype new sched-deps.c functions.
2161 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2162 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2163 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2164 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2165 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2166 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2168 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2170 * sched-rgn.c (current_sched_info): Initialize flags field.
2171 (schedule_insns): Initialize current_sched_info before the sched_init
2173 * sched-ebb.c (current_sched_info): Initialize flags field.
2174 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2175 Call add_or_update_back_dep instead of add_dependence.
2176 Create control speculative dependencies.
2177 (schedule_insns): Initialize current_sched_info before the sched_init
2180 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2182 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2184 (sh_fallback_frame_state): Likewise.
2186 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2188 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2189 Do switch on default_use_cxa_atexit.
2190 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2191 * config/darwin-crt3.o: New.
2192 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2193 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2194 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2196 * config/rs6000/t-darwin: Move crt2.o building to here.
2197 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2198 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2201 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2203 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2204 from '! xxx' to '!xxx' for coding-style conformance.
2205 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2206 (EXTRA_CONSTRAINT): Likewise.
2207 * config/vax/vax.md (four unnamed insns): Likewise.
2209 2006-03-15 Paul Brook <paul@codesourcery.com>
2211 * config/arm/arm.c (minipool_pad): New.
2212 (add_minipool_forward_ref): Include pool alignment padding in address
2214 (push_minipool_fix): Set minipool_pad.
2215 (minipool_pad): Ditto.
2217 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2219 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2220 instead of GET_CODE() == MEM and REG_P() instead of
2222 (print_operand_address): Likewise.
2223 (vax_address_cost): Likewise.
2224 (vax_rtx_costs): Likewise.
2225 (vax_notice_update_cc): Likewise.
2226 (vax_output_int_add): Likewise.
2227 (INDEX_REGISTER_P): Likewise.
2228 (BASE_REGISTER_P): Likewise.
2229 (nonindexed_address_p): Likewise.
2230 (vax_mode_dependent_address_p): Likewise.
2231 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2232 (PRINT_OPERAND): Likewise.
2233 * config/vax/vax.md (ashlsi3): Likewise.
2234 (ashlsi3): Likewise.
2235 (some more unnamed insns): Likewise.
2237 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2239 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2240 iterator-style macro.
2241 (mark_control_dependent_edges_necessary): Update the use of
2242 EXECUTE_IF_CONTROL_DEPENDENT.
2244 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2246 * config/sh/predicates.md (cache_address_operand): Special.
2247 (ua_address_operand): Likewise.
2249 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2251 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2253 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2255 2006-03-15 Andreas Schwab <schwab@suse.de>
2257 * gensupport.c (identify_predicable_attribute): Don't free p_false
2258 when it is still in use.
2260 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2262 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2263 the default setting here.
2265 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2267 * tree-pass.h (pass_cfg): Remove.
2268 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2269 * passes.c (pass_cfg): Don't run it.
2271 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2273 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2274 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2276 (stack_regs_mentioned): Update the uses of
2277 stack_regs_mentioned_data. Don't access the array beyond its
2279 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2280 Don't include gt-reg-stack.h.
2282 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2283 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2285 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2288 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2291 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2293 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2295 2006-03-14 Richard Guenther <rguenther@suse.de>
2297 PR tree-optimization/26672
2298 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2301 2006-03-14 Richard Guenther <rguenther@suse.de>
2303 PR tree-optimization/26667
2304 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2305 node for the callees. Always allow inlining if it will shrink
2308 2006-03-14 Richard Guenther <rguenther@suse.de>
2311 * builtins.c (get_pointer_alignment): Prefer alignment
2312 information from decls over that from types.
2314 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2317 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2319 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2321 * config/rs6000/rs6000.opt (mdlmzb): New option.
2322 (msched-prolog, msched-epilog): Use Var not Mask.
2323 * doc/invoke.texi (-mdlmzb): Document.
2324 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2326 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2327 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2329 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2331 PR rtl-optimization/25739
2332 * bt-load.c (augment_live_range): Free tos pointer.
2334 * gensupport.c (identify_predicable_attribute): Free
2336 * gcov.c (create_file_names): Free name pointer.
2338 2006-03-13 Roger Sayle <roger@eyesopen.com>
2341 * stmt.c (emit_case_nodes): Handle the case where the index is a
2342 CONST_INT, where the comparison mode is specified by the index type.
2344 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2346 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2349 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2351 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2352 (*branch_fp_inverted): Likewise.
2354 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2357 * omp-low.c (expand_omp_for_generic): Mark istart0
2358 and iend0 as addressable.
2360 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2362 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2364 2006-03-13 Jeff Law <law@redhat.com>
2366 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2367 virtual operands are interesting.
2368 (vrp_visit_stmt): Corresponding changes.
2370 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2372 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2374 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2375 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2376 * config/bfin/crti.S: Use it instead of __PIC__.
2377 * config/bfin/crtn.S: Likewise.
2379 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2380 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2382 Lose 'G' modifier for call operand.
2383 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2384 recognize 'G' modifier.
2386 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2389 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2390 * stmt.c (expand_case): Likewise.
2392 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2394 PR rtl-optimization/26254
2395 * loop-invariant.c (seq_insns_valid_p): New function.
2396 (move_invariant_reg): Only emit new code if it is valid.
2398 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2400 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2402 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2403 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2404 (commit_one_edge_insertion): Do not look for loop notes.
2406 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2408 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2409 flag_test_coverage out of loop.
2411 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2413 * final.c (shorten_branches): Remove outdated comment, and turn
2414 the if branch that guards it to continue.
2416 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2418 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2419 * cfgloop.h (struct loop): Remove unused fields.
2421 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2423 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2424 (-dL, -fdump-rtl-loop2): Update the dump file names
2426 * doc/invoke.texi: Update dump file names.
2428 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2430 * predict.c (estimate_probability): Remove.
2431 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2432 * basic-block.h (estimate_probability): Remove prototype.
2433 * passes.c (finish_optimization_passes): Dump branch prediction or
2434 profiling heuristics to the .profile tree dump.
2435 (init_optimization_passes): Unqueue pass_branch_prob.
2437 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2439 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2441 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2442 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2444 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2446 * function.h (frame_offset_overflow): Declare.
2447 * function.c (frame_offset_overflow): New function.
2448 (assign_stack_local_1): Call it to detect that the offset overflows.
2449 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2451 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2453 * config/sh/sh.c: Include alloc-pool.h.
2454 (label_ref_list_pool): New alloc pool.
2455 (label_ref_list_t): New type for lists of labels.
2456 (struct pool_node): Make wend a label_ref_list_t.
2457 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2459 (dump_table): Likewise.
2460 (sh_reorg): Set up the alloc pool before using add_constant and
2461 dump_table, and destroy it when finishing.
2463 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2465 * config/mips/mips.c: Remove redundant comment.
2467 2006-03-10 Jason Merrill <jason@redhat.com>
2470 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2471 the target was declared 'register'.
2473 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2475 * genpreds.c (write_insn_constraint_len): Change definition of
2476 insn_constraint_len to return size_t to match the declaration.
2478 2006-03-10 DJ Delorie <dj@redhat.com>
2480 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2482 (m32c_expand_insv): Fix test for an AND mask.
2484 2006-03-10 Richard Guenther <rguenther@suse.de>
2487 * builtins.c (get_pointer_alignment): Handle component
2488 references for field alignment.
2490 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2492 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2493 when building with libgloss.
2494 (sh*elf): Implement --without-fp option.
2495 (sh64-superh-linux*): Don't multilib.
2497 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2499 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2501 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2503 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2504 Set it when one of the replacement functions returned true.
2505 Return TODO_cleanup_cfg if cfgchanged is true.
2506 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2508 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2510 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2511 instead of gen_lowpart.
2513 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2515 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2517 (mips_output_order_conditional_branch): Declare.
2518 * config/mips/mips.h (MIPS_BRANCH): New macro.
2519 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2520 for the comparison. Use gen_condjump.
2521 (mips_output_conditional_branch): Rework interface to take the
2522 asm templates for a direct branch and the inverse of a direct branch.
2523 (mips_output_order_conditional_branch): New function.
2524 (mips_builtin_branch_and_move): New function.
2525 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2526 branch condition. Use gen_single_cc as the condition for
2527 __builtin_mips_upper_* or __builtin_mips_lower_*.
2528 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2529 Use VOIDmode for the branch condition.
2530 * config/mips/predicates.md (order_operator): New predicate.
2531 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2532 (branch_fp): Rename to...
2533 (*branch_fp): ...this. Remove mode from comparison operator.
2534 Use new mips_output_conditional_branch interface.
2535 (branch_fp_inverted): Rename to...
2536 (*branch_fp_inverted): ...this and update as for *branch_fp.
2537 (*branch_zero<mode>): Rename to...
2538 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2539 Use mips_output_order_conditional_branch. Only accept ordered
2541 (*branch_zero<mode>_inverted): Rename to...
2542 (*branch_order<mode>_inverted): ...this and update as for
2543 *branch_order<mode>.
2544 (*branch_equality<mode>): Accept zero as the second operand to
2545 the equality operator. Use the new mips_output_conditional_branch
2547 (*branch_equality<mode>_inverted): Likewise.
2548 (condjump): New expander.
2549 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2551 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2552 (bc1any2t, bc1any2f): Likewise.
2553 (single_cc): New expander.
2554 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2556 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2558 * doc/md.texi: Update documentation of MIPS constraints.
2559 * config/mips/constraints.md: New file.
2560 * config/mips/mips.md: Include it.
2561 * config/mips/mips.c (mips_char_to_class): Delete.
2562 (override_options): Don't initialize mips_char_to_class.
2563 * config/mips/mips.h (mips_char_to_class): Delete.
2564 (REG_CLASS_FROM_LETTER): Delete.
2565 (CONST_OK_FOR_LETTER_P): Delete.
2566 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2567 (EXTRA_CONSTRAINT_Y): Delete.
2568 (EXTRA_CONSTRAINT_STR): Delete.
2569 (CONSTRAINT_LEN): Delete.
2570 (EXTRA_MEMORY_CONSTRAINT): Delete.
2572 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2574 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2575 original fn's eh regions.
2577 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2579 * fold-const.c (build_range_check): Make sure to use a valid type to
2580 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2583 (range_predecessor): New static function.
2584 (range_successor): Likewise.
2585 (merge_ranges): Use them to compute predecessors and successors of
2588 2006-03-09 Roger Sayle <roger@eyesopen.com>
2591 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2592 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2594 2006-03-08 DJ Delorie <dj@redhat.com>
2596 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2597 (addpsi3): Expand to include memory operands. Remove
2598 reload-specific splits.
2599 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2600 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2601 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2602 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2603 (shift1_qi, shift1_hi, insv): New.
2604 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2605 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2606 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2608 * config/m32c/m32c-protos.h: Update as needed.
2609 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2610 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2611 Fail for unrecognized R* constraints.
2612 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2613 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2614 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2616 (m32c_init_libfuncs): New.
2617 (m32c_legitimate_address_p): Add debug wrapper.
2618 (m32c_rtx_costs): New.
2619 (m32c_address_cost): New.
2620 (conversions): Add 'B' prefix.
2621 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2622 operands, or word regnames for QI operands. 'B' prints bit
2624 (m32c_expand_setmemhi): New.
2625 (m32c_expand_movmemhi): New.
2626 (m32c_expand_movstr): New.
2627 (m32c_expand_cmpstr): New.
2628 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2629 (m32c_expand_neg_mulpsi3): Handle non-ints.
2630 (m32c_cmp_flg_0): New.
2631 (m32c_expand_movcc): New.
2632 (m32c_expand_insv): New.
2633 (m32c_scc_pattern): New.
2634 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2635 a0/a1 out of SIregs.
2636 (STORE_FLAG_VALUE): New.
2637 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2640 * config/m32c/mov.md: Make constraints more liberal.
2641 (zero_extendqihi2): Optimize r0/r1 case.
2642 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2643 * config/m32c/predicates.md (m32c_any_operand): New.
2644 (m32c_nonimmediate_operand): New.
2645 (m32c_hl_operand): New.
2646 (m32c_r3_operand): New.
2649 (memsym_operand): New.
2650 (memimmed_operand): New.
2651 (a_qi_operand): New.
2652 (m32c_eqne_operator): New.
2653 (m32c_1bit8_operand): New.
2654 (m32c_1bit16_operand): New.
2655 (m32c_1mask8_operand): New.
2656 (m32c_1mask16_operand): New.
2657 * config/m32c/blkmov.md: New file.
2658 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2660 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2662 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2663 unsigned to fix signed/unsigned comparison issue in
2664 DWARF2_FRAME_REG_OUT.
2665 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2666 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2668 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2669 of ptr into the ENABLE_CHECKING section.
2671 2006-03-08 Jeff Law <law@redhat.com>
2673 * tree-vrp.c (infer_value_range): Only count pointer uses
2674 and dereferences if -fdelete-null-pointer-checks is enabled.
2676 * tree-vrp.c (find_assert_locations): Infer value ranges for
2677 single use pointers, but do not create ASSERT_EXPRs for them.
2678 When a non-null range is inferred for a pointer, backwards
2679 propagate that range to other equivalent pointers through the
2682 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2685 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2686 language hook targets.
2687 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2688 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2689 if language hook targets were missing.
2691 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2693 * tree-ssa-opfinalize.h: Removed.
2694 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2696 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2697 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2698 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2699 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2700 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2701 finalize_ssa_v_must_def_ops): New.
2703 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2705 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2708 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2710 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2712 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2713 addresses with offsets; reorganize.
2715 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2716 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2717 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2719 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2722 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2724 2006-03-08 Ben Elliston <bje@au.ibm.com>
2726 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2728 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2731 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2734 2006-03-07 Richard Guenther <rguenther@suse.de>
2736 PR tree-optimization/26587
2737 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2739 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2741 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2743 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2745 * hooks.c (hook_bool_mode_rtx_true): New function.
2746 * hooks.h (hook_bool_mode_rtx_true): Declare.
2747 * toplev.c (compile_file): Call output_shared_constant_pool.
2748 * varasm.c (shared_constant_pool): New variable.
2749 (assemble_start_function, assemble_end_function): Remove arguments
2750 from call to output_constant_pool.
2751 (create_constant_pool): New function, split out from...
2752 (init_varasm_status): ...here.
2753 (force_const_mem): Choose between the shared and per-function constant
2754 pools. Set current_function_uses_const_pool when reusing old entries
2755 as well as when creating new ones.
2756 (mark_constant): Ignore data argument.
2757 (mark_constants): Remove pool argument.
2758 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2759 to decide whether the function uses a constant pool.
2760 (output_constant_pool_contents): New function, split out from...
2761 (output_constant_pool): ...here.
2762 (output_shared_constant_pool): New function.
2763 (init_varasm_once): Initialize shared_constant_pool.
2764 * output.h (output_constant_pool): Delete.
2765 (output_shared_constant_pool): Declare.
2766 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2767 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2769 2006-03-06 Nick Clifton <nickc@redhat.com>
2771 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2772 flag_strength_reduce.
2774 2006-03-06 Ben Elliston <bje@au.ibm.com>
2776 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2777 x86_64-*-linux* configurations.
2779 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2780 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2782 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2784 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2786 * basic-block.h: Remove the extern for
2787 rediscover_loops_after_threading.
2789 * cfgloop.c (cancel_loop): Make it static.
2790 * cfgloop.h: Remove the prototype for cancel_loop.
2792 * flow.c (recompute_reg_usage): Make it static.
2793 * rtl.h: Remove the prototype for recompute_reg_usage.
2795 * function.c (use_return_register): Make it static.
2796 * function.h: Remove the prototype.
2798 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2800 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2802 * recog.h: Remove the prototype for
2803 validate_change_maybe_volatile.
2805 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2807 * rtlanal.c (replace_reg): Remove.
2808 * rtl.h: Remove the prototype for replace_reg.
2810 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2812 * regclass.c (reg_scan_update): Remove.
2813 (reg_scan_mark_refs): Remove the last argument.
2814 * rtl.h: Remove the prototype for reg_scan_update.
2816 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2818 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2819 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2820 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2821 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2822 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2823 loop-invariant.c, omp-low.c, opts.c, passes.c,
2824 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2825 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2826 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2827 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2828 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2829 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2831 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2833 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2834 * dwarf2out.h: Remove the prototype for
2835 dwarf2out_add_library_unit_info.
2837 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2839 * tree.c (add_var_to_bind_expr): Remove.
2840 * tree.h: Remove the prototype for add_var_to_bind_expr.
2842 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2844 * regclass.c (n_non_fixed_regs): Remove.
2845 (init_reg_sets_1, globalize_reg): Remove all uses of
2847 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2849 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2851 * rtlanal.c (insns_safe_to_move_p): Remove.
2852 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2854 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2856 * expmed.c (expand_mult_add): Remove.
2857 * expr.h: Remove the prototype for expand_mult_add.
2859 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2861 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2862 and REG_SAVED_VAL_EXP constants.
2863 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2864 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2865 Handle regs stored by value.
2866 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2867 (execute_cfa_program): Handle DW_CFA_val_offset,
2868 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2869 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2870 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2871 (uw_install_context_1): Handle target regs stored by value.
2873 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2875 * tree-sra.c (tree_sra): Return todoflags;
2876 (generate_one_element): Set TODO_update_smt_usage if needed.
2877 (pass_sra): Remove TODO_update_smt_usage.
2878 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2880 (tree_ssa_forward_propagate_single_use_vars): Return
2881 TODO_update_smt_usage if we need to update SMT usage.
2882 (pass_forwprop): Remove TODO_update_smt_usage.
2884 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2886 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2887 (correct_use_link): Remove reference to get_stmt_operands.
2888 (update_stmt_operands): Likewise.
2889 (get_modify_expr_operands): New function factored out of
2890 parse_ssa_operands and get_expr_operands.
2891 Try to create V_MUST_DEFs for LHS by default.
2892 (get_expr_operands) <case MODIFY_EXPR>: Call
2893 get_modify_expr_operands.
2894 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2895 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2896 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2897 get_modify_expr_operands.
2899 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2901 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2902 * tree-flow.h: Remove the prototype for
2903 referenced_var_lookup_if_exists.
2905 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2907 PR rtl-optimization/26345
2909 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2911 2006-03-03 Roger Sayle <roger@eyesopen.com>
2913 PR tree-optimization/26524
2914 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2915 fold_convert to create a constant of the appropriate type.
2917 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2919 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2920 SYMBOL_REF_IN_BLOCK_P.
2921 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2922 of SYMBOL_FLAG_IN_BLOCK.
2923 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2924 instead of SYMBOL_REF_IN_BLOCK_P.
2925 * explow.c (use_anchored_address): Likewise.
2926 * rtl.c (rtx_size): Likewise.
2927 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2928 instead of SYMBOL_FLAG_IN_BLOCK.
2929 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2930 SYMBOL_REF_IN_BLOCK_P.
2931 (assemble_variable): Likewise.
2932 (output_constant_def_contents): Likewise.
2933 (output_constant_pool): Likewise.
2934 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2935 instead of SYMBOL_FLAG_IN_BLOCK.
2936 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2937 SYMBOL_REF_IN_BLOCK_P.
2938 (SYMBOL_REF_BLOCK): Likewise.
2939 (SYMBOL_REF_OFFSET): Likewise.
2940 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2941 SYMBOL_REF_IN_BLOCK_P.
2942 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2943 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2944 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2945 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2947 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2949 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2951 2006-03-02 Roger Sayle <roger@eyesopen.com>
2953 * simplify-rtx.c (simplify_unary_operation): When simplifying
2954 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2955 that we perform the right shift in the appropriate mode, and
2956 then extend or truncate the result to requested mode.
2958 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2960 * gengtype.c (main): Handle double_int type.
2961 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2962 * double-int.c: New file.
2963 * double-int.h: New file.
2964 * system.h: Include doubleint.h.
2965 * Makefile.in (SYSTEM_H): Include double-int.h.
2966 (double-int.o): Add.
2968 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2971 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2974 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2976 * tree-vrp.c (remove_range_assertions): Do not update statements
2979 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2981 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2983 * gcse.c (rest_of_handle_gcse): Ditto.
2984 * except.c (gate_handle_eh): Ditto.
2985 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2986 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2988 2006-03-02 Eric Christopher <echristo@apple.com>
2990 * config/i386/i386.c (machopic_output_stub): Add indirection to
2993 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2997 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2999 Sun Niagara specific optimizations.
3000 * config.gcc: Recognize niagara as target.
3001 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3002 (TARGET_CPU_niagara): Define.
3003 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3004 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3005 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3006 (ASM_CPU_SPEC): Likewise.
3007 (PROCESSOR_NIAGARA): New enum entry.
3008 (REGISTER_MOVE_COST): Handle Niagara.
3009 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3010 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3011 (sparc_override_options): Recognize "niagara", set appropriate
3012 default MASK_* values for it, and align functions to 32-bytes
3013 by default just like ULTRASPARC/ULTRASPARC3.
3014 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3015 (sparc64_initialize_trampoline): Likewise.
3016 (sparc_use_sched_lookahead): Use zero for niagara.
3017 (sparc_issue_rate): Use one for niagara.
3018 * config/sparc/niagara.md: New file.
3019 * config/sparc/sparc.md: Include it.
3020 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3021 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3022 when default cpu is niagara.
3023 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3024 (ASM_CPU_SPEC): Likewise.
3025 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3026 when default cpu is niagara.
3027 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3028 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3029 just like v9/ultrasparc/ultrasparc3.
3030 * doc/invoke.texi: Add documentation for "niagara" and improve
3031 existing documentation for ultrasparc variants.
3033 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3035 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3037 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3039 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3040 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3041 and say that only one is needed.
3042 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3043 * target.h (have_switchable_bss_sections): New hook.
3044 * explow.c (use_anchored_address): Check that the symbol is in a block.
3045 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3046 (bss_noswitch_section): New variables.
3047 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3048 (get_noswitch_section): New function.
3049 (get_block_for_section): Allow SECT to be null.
3050 (unlikely_text_section_p): Use SECTION_STYLE.
3051 (bss_initializer_p): New function.
3052 (get_variable_section): Move earlier in file. Take a new argument,
3053 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3054 Return one of the new *_sections in such cases.
3055 (get_block_for_decl): New function, extracting some logic from
3056 use_blocks_for_decl_p.
3057 (change_symbol_section): Remove in favor of...
3058 (change_symbol_block): ...this new function.
3059 (use_blocks_for_decl_p): Remove checks now performed by
3061 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3062 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3063 (emit_local, emit_bss, emit_common): ...these new functions.
3064 Return true if the alignment was honored.
3065 (emit_tls_common): New function.
3066 (asm_emit_uninitialised): Delete.
3067 (assemble_variable_noswitch): New function, split out from...
3068 (assemble_variable): ...here. Don't make decisions about common
3069 variables here. Globalize all public decls that go into non-common
3070 sections. Check whether SYMBOL_REF_BLOCK is null.
3071 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3072 (output_constant_pool): Likewise.
3073 (init_varasm_once): Initialize the new section variables.
3074 (have_global_bss_p): New function.
3075 (categorize_decl_for_section): Use bss_initializer_p.
3076 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3077 (place_block_symbol): Assert that the symbol must be in a block.
3078 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3079 (TARGET_INITIALIZER): Include it.
3080 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3081 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3082 (SECTION_MACH_DEP): Bump by two.
3083 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3084 (unnamed_section): Mention SECTION_UNNAMED in comment.
3085 (named_section): Likewise SECTION_NAMED.
3086 (noswitch_section_callback): New type.
3087 (noswitch_section): New structure.
3088 (section): Add a noswitch_section alternative.
3089 (SECTION_STYLE): New macro.
3090 (tls_comm_section, comm_section, lcomm_section): Declare.
3091 (bss_noswitch_section, have_global_bss_p): Declare.
3092 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3093 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3095 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3096 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3099 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3101 * gcc/tree-vrp.c (execute_vrp): Return value.
3102 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3103 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3104 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3105 (tree_lower_complex_O0): Ditto.
3106 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3107 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3108 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3109 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3110 (execute_tail_calls): Ditto.
3111 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3112 * gcc/tree.h (init_function_for_compilation): Ditto.
3113 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3114 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3115 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3116 * gcc/final.c (compute_alignments): Ditto.
3117 (rest_of_handle_final): Ditto.
3118 (rest_of_handle_shorten_branches): Ditto.
3119 (rest_of_clean_state): Ditto.
3120 * gcc/omp-low.c (execute_expand_omp): Ditto.
3121 (execute_lower_omp): Ditto.
3122 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3123 * gcc/ipa-reference.c (static_execute): Ditto.
3124 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3125 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3126 (rest_of_handle_machine_reorg): Ditto.
3127 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3128 * gcc/flow.c (recompute_reg_usage): Ditto.
3129 (rest_of_handle_remove_death_notes): Ditto.
3130 (rest_of_handle_life): Ditto.
3131 (rest_of_handle_flow2): Ditto.
3132 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3133 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3134 (do_ssa_store_ccp): Ditto.
3135 (execute_fold_all_builtins): Ditto.
3136 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3137 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3138 * gcc/ipa-pure-const.c (static_execute): Ditto.
3139 * gcc/cse.c (rest_of_handle_cse): Ditto.
3140 (rest_of_handle_cse2): Ditto.
3141 * gcc/web.c (rest_of_handle_web): Ditto.
3142 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3143 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3144 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3145 * gcc/tree-nrv.c (tree_nrv): Ditto.
3146 (execute_return_slot_opt): Ditto.
3147 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3148 (create_structure_vars): Ditto.
3149 * gcc/loop-init.c (rtl_loop_init): Ditto.
3150 (rtl_loop_done): Ditto.
3151 (rtl_move_loop_invariants): Ditto.
3152 (rtl_unswitch): Ditto.
3153 (rtl_unroll_and_peel_loops): Ditto.
3154 (rtl_doloop): Ditto.
3155 * gcc/gimple-low.c (lower_function_body): Ditto.
3156 (mark_used_blocks): Ditto.
3157 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3158 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3159 (cgraph_early_inlining): Ditto.
3160 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3161 * gcc/jump.c (cleanup_barriers): Ditto.
3162 (purge_line_number_notes): Ditto.
3163 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3164 (rest_of_handle_if_after_reload): Ditto.
3165 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3166 (tree_ssa_loop_im): Ditto.
3167 (tree_ssa_loop_unswitch): Ditto.
3168 (tree_vectorize): Ditto.
3169 (tree_linear_transform): Ditto.
3170 (tree_ssa_loop_ivcanon): Ditto.
3171 (tree_ssa_empty_loop): Ditto.
3172 (tree_ssa_loop_bounds): Ditto.
3173 (tree_complete_unroll): Ditto.
3174 (tree_ssa_loop_prefetch): Ditto.
3175 (tree_ssa_loop_ivopts): Ditto.
3176 (tree_ssa_loop_done): Ditto.
3177 * gcc/predict.c (tree_estimate_probability): Ditto.
3178 * gcc/recog.c (split_all_insns_noflow): Ditto.
3179 (rest_of_handle_peephole2): Ditto.
3180 (rest_of_handle_split_all_insns): Ditto.
3181 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3182 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3183 (rest_of_handle_stack_adjustments): Ditto.
3184 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3185 * gcc/function.c (instantiate_virtual_regs): Ditto.
3186 (init_function_for_compilation): Ditto.
3187 (rest_of_handle_check_leaf_regs): Ditto.
3188 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3189 (rest_of_handle_gcse): Ditto.
3190 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3191 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3192 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3193 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3194 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3195 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3196 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3197 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3198 * gcc/except.c (set_nothrow_function_flags): Ditto.
3199 (convert_to_eh_region_ranges): Ditto.
3200 (rest_of_handle_eh): Ditto.
3201 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3202 (remove_unnecessary_notes): Ditto.
3203 * gcc/except.h (set_nothrow_function_flags): Ditto.
3204 (convert_to_eh_region_ranges): Ditto.
3205 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3206 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3207 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3208 (execute_fre): Ditto.
3209 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3210 (rest_of_handle_jump2): Ditto.
3211 * gcc/tree-sra.c (tree_sra): Ditto.
3212 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3213 (execute_mudflap_function_decls): Ditto.
3214 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3215 (do_store_copy_prop): Ditto.
3216 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3217 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3218 * gcc/tree-ssa-forwprop.c
3219 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3220 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3221 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3222 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3223 (execute_late_warn_uninitialized): Ditto.
3224 * gcc/rtl.h (cleanup_barriers): Ditto.
3225 (split_all_insns_noflow): Ditto.
3226 (purge_line_number_notes): Ditto.
3227 (unshare_all_rtl): Ditto.
3228 (remove_unnecessary_notes): Ditto.
3229 (recompute_reg_usage): Ditto.
3230 (variable_tracking_main): Ditto.
3231 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3232 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3233 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3234 (execute_free_cfg_annotations): Ditto.
3235 (execute_fixup_cfg): Ditto.
3236 (execute_cleanup_cfg_pre_ipa): Ditto.
3237 (execute_cleanup_cfg_post_optimizing): Ditto.
3238 (execute_init_datastructures): Ditto.
3239 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3240 * gcc/combine.c (rest_of_handle_combine): Ditto.
3241 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3242 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3243 (rest_of_handle_reorder_blocks): Ditto.
3244 (rest_of_handle_partition_blocks): Ditto.
3245 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3246 * gcc/tree-profile.c (tree_profiling): Ditto.
3247 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3248 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3249 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3250 (rest_of_handle_sched2): Ditto.
3251 * gcc/basic-block.h (free_bb_insn): Ditto.
3252 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3253 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3254 (remove_useless_stmts): Ditto.
3255 (split_critical_edges): Ditto.
3256 (execute_warn_function_return): Ditto.
3257 (execute_warn_function_noreturn): Ditto.
3258 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3259 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3260 * gcc/passes.c (execute_one_pass): Run additional
3261 todos returned by execute function.
3262 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3265 2006-03-02 Richard Guenther <rguenther@suse.de>
3267 * tree-ssa-alias.c (find_used_portions): Consider taking
3268 the address as making the variable not write-only.
3270 2006-03-02 Nick Clifton <nickc@redhat.com>
3272 * config.gcc (default_use_cxa_atexit): Extend the description of
3273 this configure variable. Set its default value to "yes" for
3274 Linux, NetBSD and ELF targets on the assumption that they will
3275 use C libraries with the __cxa_atexit function.
3277 2006-03-02 Ben Elliston <bje@au.ibm.com>
3279 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3280 parameter as unused to suppress a build warning.
3282 2006-03-02 Ben Elliston <bje@au.ibm.com>
3284 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3287 2006-03-01 Roger Sayle <roger@eyesopen.com>
3290 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3291 declared name, the weak reference name, and the typeof name.
3292 (__gthrw): Avoid expanding the declared name suffix.
3293 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3295 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3297 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3299 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3300 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3301 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3302 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3303 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3304 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3305 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3306 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3307 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3308 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3309 (DW_END_default, DW_END_big, DW_END_little): New.
3310 (DW_END_lo_user, DW_END_hi_user): Define.
3311 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3312 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3313 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3316 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3318 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3320 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3322 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3324 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3326 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3327 to 'symbol_mem_tag'.
3329 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3332 2006-03-01 Roger Sayle <roger@eyesopen.com>
3334 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3336 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3339 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3340 MACHO_DYNAMIC_NO_PIC_P.
3341 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3343 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3346 * config/darwin-protos.h (darwin_asm_output_anchor):
3348 * config/darwin-sections.def (cstring_section):
3349 Add SECTION_MERGE to the flags.
3350 (literal4_section): Likewise.
3351 (literal8_section): Likewise.
3352 (objc_selector_refs_section): Likewise.
3353 (objc_cls_refs_section): Likewise.
3354 * config/darwin.c (darwin_asm_output_anchor): New
3356 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3358 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3360 Fix PR tree-optimization/26443
3361 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3362 to todo and PROP_tmt_usage to properties_destroyed.
3363 * tree-ssa-ccp.c (pass_ccp): Ditto.
3364 (pass_store_ccp): Ditto.
3365 * tree-ssa-dom.c (pass_dominator): Ditto.
3367 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3369 * tree-ssa-operands.c: Cleanup whitespace.
3370 (get_asm_expr_operands): Move before first invocation.
3371 (get_indirect_ref_operands): Likewise.
3372 (get_tmr_operands): Likewise.
3373 (get_call_expr_operands): Likewise.
3374 (append_def): Likewise.
3375 (append_use): Likewise.
3376 (append_v_may_def): Likewise.
3377 (append_v_must_def): Likewise.
3378 (add_call_clobber_ops): Likewise.
3379 (add_call_read_ops): Likewise.
3380 (add_stmt_operand): Likewise.
3381 (add_virtual_operand): Likewise.
3382 (build_ssa_operands): Likewise.
3384 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3389 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3390 with a call expr to ...
3391 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3393 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3395 * tree-vrp.c (extract_range_from_assert): Remove special
3396 handling for types with super-types.
3398 2006-03-01 Ben Elliston <bje@au.ibm.com>
3400 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3401 and powerpc64-*-linux* configurations.
3402 * config/t-dfprules: New file.
3404 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3405 Compile dfp-bit.c from the source directory using -DWIDTH and
3406 $DFP_CFLAGS to control the compilation of that file, rather than
3407 generating width-specific versions in the build directory.
3408 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3409 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3411 2006-02-28 Zack Weinberg <zackw@panix.com>
3413 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3416 2006-02-28 Eric Christopher <echristo@apple.com>
3418 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3419 Set up IN_LIBGCC definition of TARGET_64BIT.
3420 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3422 2006-02-28 Roger Sayle <roger@eyesopen.com>
3425 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3426 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3427 cases via the construction of "expr != 0".
3429 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3431 * alias.c (alias_invariant, alias_invariant_size): Remove.
3432 (record_base_value): Remove.
3433 (memrefs_conflict_p): Don't look at alias_invariant.
3434 (end_alias_analysis): Don't free it.
3435 * alias.h (record_base_value): Remove prototype.
3437 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3438 Adam Nemet <anemet@caviumnetworks.com>
3440 * rtl.h (truncated_to_mode): Declare it.
3441 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3442 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3443 (RTL_HOOKS_INITIALIZER): Include it.
3444 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3445 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3446 reg_truncated_to_mode.
3447 * rtlanal.c (truncated_to_mode): Define it.
3448 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3450 2006-02-28 Jeff Law <law@redhat.com>
3452 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3453 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3454 the range allowed by TYPE_PRECISION.
3456 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3458 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3460 PR tree-optimization/26419
3461 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3464 2006-02-27 Zack Weinberg <zackw@panix.com>
3466 * doc/md.texi: Fix typo in previous change.
3468 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3472 2006-02-27 Zack Weinberg <zackw@panix.com>
3474 * rtl.def (define_constraint, define_register_constraint)
3475 (define_memory_constraint, define_address_constraint): New MD forms.
3476 * gensupport.c (process_rtx): Put define_constraint etc on the
3478 * genpreds.c (process_define_predicate): Adjust comment. Validate
3479 the name, and call validate_exp to validate the expression.
3480 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3481 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3482 all callers changed.
3483 (validate_exp, needs_variable, struct constraint_data)
3484 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3485 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3486 (const_dbl_constraints, constraint_max_namelen)
3487 (have_register_constraints, have_memory_constraints)
3488 (have_address_constraints, have_address_constraints)
3489 (have_extra_constraints, have_const_int_constraints)
3490 (have_const_dbl_constraints, mangle, add_constraint)
3491 (process_define_constraint, process_define_register_constraint)
3492 (write_enum_constraint_num, write_lookup_constraint)
3493 (write_insn_constraint_len, write_regclass_for_constraint)
3494 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3495 (write_insn_extra_memory_constraint)
3496 (write_insn_extra_address_constraint)
3497 (write_satisfies_constraint_fns): New.
3498 (write_tm_preds_h): If we have new-style constraint definitions,
3499 prototype the functions generated from them, and define the
3500 old constraint interface (still used by generic code) in terms of
3502 (write_insn_preds_c): If we have new-style constraint definitions,
3503 generate all relevant functions from those definitions.
3504 (main): Handle define_constraint etc.
3505 * genoutput.c (struct constraint_data, indep_constraints)
3506 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3507 (mdep_constraint_len): New data structures and functions, defined
3508 #ifdef USE_MD_CONSTRAINTS.
3509 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3510 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3511 use new logic to validate operand constraints against constraint
3513 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3515 * defaults.h: If none of the old-style constraint macros are
3516 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3517 old-style macros; and poison REG_CLASS_FROM_LETTER,
3518 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3520 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3521 * doc/md.texi: Document new constraint-definition mechanism and the
3522 C interface it provides. Remove references to old mechanism
3523 elsewhere in the document.
3524 (Machine Constraints): Use pathnames relative to gcc directory,
3525 i.e. config/ARCH/FILE. Change i386 section to refer to
3526 config/i386/predicates.md; update that section to match docstrings.
3527 * doc/tm.texi: Move all documentation of the old constraint-
3528 definition macros to their own section, clearly mark as obsolete.
3530 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3531 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3533 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3534 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3535 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3537 (splits and peepholes): Use satisfies_constraint_*.
3538 * config/i386/i386.c (memory_address_length)
3539 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3541 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3543 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3544 scalar operation to be put back into the loop.
3546 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3549 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3550 (extract_cie_info): Handle S flag in augmentation string.
3551 (execute_cfa_program): If context->signal_frame, execute also
3552 fs->pc == context->ra instructions.
3553 (uw_frame_state_for): If context->signal_frame, don't subtract one
3554 from context->ra to find FDE.
3555 (uw_update_context_1): Set context->signal_frame to
3557 (_Unwind_GetIPInfo): New function.
3558 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3559 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3561 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3562 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3563 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3564 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3565 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3566 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3567 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3568 x86_64_fallback_frame_state): Set fs->signal_frame.
3569 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3570 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3571 (frob_update_context): Likewise. Workaround missing S flag in
3572 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3573 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3574 Remove the psw_addr + 1 hack.
3576 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3578 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3579 with aggregates here.
3580 (find_func_aliases): Remove code for &<aggregate> from here.
3582 2006-02-26 Roger Sayle <roger@eyesopen.com>
3584 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3585 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3586 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3589 2006-02-26 Roger Sayle <roger@eyesopen.com>
3592 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3594 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3596 * opts.c (decode_options): Do not handle flag_strength_reduce.
3597 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3598 and OPT_fstrength_reduce.
3599 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3600 flag_prefetch_loop_arrays for being nonzero.
3601 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3603 (fprefetch-loop-arrays-rtl): Removed.
3604 (flag_prefetch_loop_arrays): Do not specify the value.
3606 * doc/passes.texi: Update documentation of loop optimizer
3608 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3609 -frerun-loop-opt): Remove.
3611 2006-02-26 Richard Guenther <rguenther@suse.de>
3613 PR tree-optimization/26421
3614 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3615 in function calls that are ADDR_EXPRs as using the whole structure.
3617 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3619 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3620 * tree-pass.h (pass_loop_optimize): Remove.
3621 * passes.c (pass_loop_optimize): Never run it.
3622 * toplev.c (backend_init): Don't call init_loop.
3623 * opts.c (flag_loop_optimize_set): Remove.
3624 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3625 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3626 the old RTL loop optimizer when profiling enabled.
3627 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3628 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3629 pre-headers for the sake of the old RTL loop optimizer.
3630 * Makefile.in: Remove all references to loop.o.
3632 * doc/invoke.texi: Remove all references to -floop-optimize
3633 and -frerun-loop-opt.
3635 2006-02-26 Zack Weinberg <zackw@panix.com>
3637 * doc/md.texi (Machine Constraints): Refer to all files with paths
3638 relative to gcc directory (i.e. config/CPU/file). Add missing
3639 @table @code ... @end table to M32C subsection.
3641 2006-02-26 Roger Sayle <roger@eyesopen.com>
3643 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3645 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3647 2006-02-26 Roger Sayle <roger@eyesopen.com>
3648 James A. Morrison <phython@gcc.gnu.org>
3651 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3652 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3653 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3654 signedness of the shift operation.
3656 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3658 PR tree-optimization/26359
3659 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3661 2006-02-25 Roger Sayle <roger@eyesopen.com>
3663 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3664 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3665 as X == 0, and some symmetry related transformations.
3666 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3668 2006-02-25 Roger Sayle <roger@eyesopen.com>
3671 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3672 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3673 symmetry related transformations. Fold (X^C1) == C2 as
3676 2006-02-25 Juergen Weigert <jw@suse.de>
3677 Richard Guenther <rguenther@suse.de>
3679 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3681 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3683 * combine.c (gen_lowpart_or_truncate): Call
3684 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3686 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3688 * doc/invoke.texi: Move -fopenmp description to "Options for
3690 Remove reference to -lgomp.
3692 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3694 * doc/install.texi: Require GNU tar version 1.14.
3696 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3698 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3699 * doc/invoke.texi (C++ Dialect Options): Document
3700 -fno-use-cxa-get-exception-ptr.
3701 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3702 * configure: Regenerate.
3703 * c.opt (fuse-cxa-get-exception-ptr): New.
3704 * c-opts.c (c_common_handle_option): Handle
3705 OPT_fuse_cxa_get_exception_ptr.
3706 * c-common.c (flag_use_cxa_atexit): Update documentation.
3707 (flag_use_cxa_get_exception_ptr): New.
3708 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3709 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3711 (C_COMMON_OVERRIDE_OPTIONS): New.
3713 2006-02-24 Roger Sayle <roger@eyesopen.com>
3716 * combine.c (try_combine): Explicitly check whether GET_CODE is
3717 a SET or a CLOBBER, instead on checking that it isn't a USE.
3719 2006-02-24 Roger Sayle <roger@eyesopen.com>
3721 * fold-const.c (fold_comparison): New subroutine of fold_binary
3722 containing transformations common to both the equality and
3723 ordering relational operators, factored out of fold_binary.
3724 (fold_binary): Separate out the equality operators (EQ_EXPR
3725 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3726 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3727 transformations common to both.
3728 (fold_div_compare): Fix latent bugs in the previously unreachable
3729 LT_EXPR and GE_EXPR cases.
3731 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3733 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3734 decl libname for clog to __clog on AIX.
3736 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3738 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3741 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3742 output traceback table for thunks. Localise rs6000_stack_info call.
3744 2006-02-23 Roger Sayle <roger@eyesopen.com>
3745 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3747 * gthr-posix.h (__gthrw): Fix typo in comment.
3749 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3751 * doc/cpp.texi (Character sets): Document that we do support
3752 input files to be in any character set.
3754 2006-02-23 Jeff Law <law@redhat.com>
3756 * tree.h (PHI_ARG_NONZERO): Remove.
3757 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3758 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3759 node to the new node.
3761 PR tree-optimization/26425
3762 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3763 min/max, then assume its varying.
3765 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3767 PR rtl-optimization/26316
3768 * rtlanal.c (enum may_trap_p_flags): New.
3769 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3770 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3771 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3772 (may_trap_after_code_motion_p): New function.
3773 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3774 (find_invariant_insn): Use may_trap_after_code_motion_p.
3775 * rtl.h (may_trap_after_code_motion_p): Declare.
3777 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3779 * emit-rtl.c (immed_double_const): Cleanup.
3781 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3783 Fix PR tree-optimization/26376
3784 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3787 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3790 * gimplify.c (omp_add_variable): Guard variable size decl test with
3791 DECL_SIZE (decl) check.
3793 2006-02-23 Richard Guenther <rguenther@suse.de>
3796 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3797 like aggregate types.
3799 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3801 * configure.ac: Add --with{,out}-long-double-128 configure option.
3802 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3803 * configure: Rebuilt.
3804 * config.in: Rebuilt.
3805 * doc/install.texi (Options specification): Document
3806 --with-long-double-128.
3808 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3809 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3810 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3811 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3813 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3815 * config/s390/s390.c (override_options): Handle
3816 TARGET_DEFAULT_LONG_DOUBLE_128.
3818 * config/alpha/alpha.c (override_options): Handle
3819 TARGET_DEFAULT_LONG_DOUBLE_128.
3821 * config/sparc/sparc.c (sparc_override_options): Handle
3822 TARGET_DEFAULT_LONG_DOUBLE_128.
3824 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3826 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3827 (real-install-headers-tar, real-install-headers-cpio)
3828 (real-install-headers-cp): New targets.
3830 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3832 * tree.h (variable_section): Delete.
3833 * varasm.c (variable_section): Delete.
3835 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3837 * install.texi: Add notes on install.texi2html.
3838 (Building in parallel): Do not use footnotes.
3840 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3843 * doc/install.texi (Configuration): Document --disable-libgomp.
3845 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3847 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3849 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3851 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3852 (vec_extractv2df_0_sse): New.
3854 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3856 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3857 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3858 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3859 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3860 to the result of the expression.
3861 (def_cfa_1): Adjust.
3862 (frame_pointer_cfa_offset): Rename to...
3863 (frame_pointer_fb_offset): ... this. Adjust all uses.
3864 (convert_cfa_to_loc_list): Rename to...
3865 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3866 Pass it on to build_cfa_loc.
3867 (compute_frame_pointer_to_cfa_displacement): Rename to...
3868 (compute_frame_pointer_to_fb_displacement): ... this. New
3869 offset parameter. Use it in computation.
3870 (gen_subprogram_die): Compute cfa_fb_offset with the new
3871 macro, and use it to compute the fb loc list and the
3874 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3876 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3877 replaced with register_operand.
3878 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3879 non-DREG is expensive.
3880 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3881 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3884 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3886 * doc/install.texi2html: Use set -e.
3888 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3890 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3891 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3892 * doc/invoke.texi (-fshared-data): Delete.
3893 * common.opt (fshared-data): Delete.
3894 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3895 (assemble_static_space): Remove #if 0 code.
3896 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3897 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3898 * config/cris/cris.h: Remove FIXME.
3900 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3902 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3905 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3908 * combine.c (simplify_shift_const_1): Disable nested shifts
3909 optimization for vector shifts.
3911 2006-02-20 Roger Sayle <roger@eyesopen.com>
3913 PR tree-optimization/26361
3914 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3915 of unsigned integer types.
3917 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3919 * tree-chrec.c (eq_evolutions_p): New.
3920 * tree-chrec.h (eq_evolutions_p): Declared.
3921 * tree-data-ref.c: Fix formatting.
3922 (datadep_stats, dependence_stats): New.
3924 (print_direction_vector): New.
3925 (dump_data_dependence_relation): Use print_direction_vector.
3926 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3927 (compute_subscript_distance): Static.
3928 (initialize_data_dependence_relation): Static. Get the number
3929 of loops surrounding the references from the callers, and initialize
3930 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3931 base_object_differ_p analyzers.
3932 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3933 compute_overlap_steps_for_affine_1_2,
3934 analyze_subscript_affine_affine): Count the classified dependences.
3935 Print a message when a test failed.
3936 (can_use_analyze_subscript_affine_affine): New.
3937 (analyze_siv_subscript): Compute the data dependences on symbolic
3938 scevs that verify can_use_analyze_subscript_affine_affine.
3939 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3940 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3941 Handle symbolic scevs.
3942 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3944 (subscript_dependence_tester): Moved...
3945 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3946 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3947 DDR_SIZE_VECT instead of getting it in parameter.
3948 (subscript_dependence_tester): ... here. Take as a parameter
3949 loop_nest_depth. Call build_classic_dist_vector and
3950 build_classic_dir_vector.
3951 (compute_affine_dependence): Update subscript_dependence_tester
3952 parameters. Update datadep_stats counters. Call
3953 compute_subscript_distance.
3954 (compute_self_dependence): Save the dist and dir vectors. Call
3955 compute_subscript_distance.
3956 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3957 (compute_all_dependences): Reorder parameters as they were before
3958 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3959 compute_subscript_distance. Update the use of
3960 compute_affine_dependence and initialize_data_dependence_relation.
3961 (find_data_references_in_loop): Handle COMPONENT_REF.
3962 (compute_data_dependences_for_loop): Initialize dependence_stats.
3963 Don't call build_classic_dist_vector and build_classic_dir_vector.
3964 Update the parameters of initialize_data_dependence_relation and
3965 compute_all_dependences. Print the statistics from datadep_stats.
3966 (analyze_all_data_dependences): Static. Not used until the pass for
3967 checking the data dependences is contributed.
3968 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3969 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3970 (initialize_data_dependence_relation, compute_affine_dependence,
3971 analyze_all_data_dependences, compute_subscript_distance): Removed.
3972 (print_direction_vector): New.
3973 * lambda.h (gcd): ... here.
3974 (lambda_vector_gcd): Moved here from gcd_vector.
3975 * lambda-code.c (gcd, gcd_vector): Removed.
3976 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3977 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3979 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3981 * ipa-type-escape.c: Tidy some comments and white space.
3982 * tree-ssa-operands.c: Likewise.
3984 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3987 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3988 (dump_decl_name): Do not walk the decl tree chains.
3989 * tree-pass.h (TDF_CHAIN): Remove.
3991 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3993 * Makefile.in (C): Remove
3995 (.PHONY): Remove C and PROTO
3997 2006-02-20 Roger Sayle <roger@eyesopen.com>
4000 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4001 deprecated CHAR_TYPE tree code.
4003 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4005 * configure.ac (target_list): Add install-info, dvi, html.
4006 * configure: Regenerate.
4008 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4009 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4010 treelang/Make-lang.in: Do not use double-colon rules.
4012 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4014 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4015 (TMT_USED_ALONE): New macro.
4016 * tree-pass.h (PROP_tmt_usage): New property.
4017 (TODO_update_tmt_usage): New todo.
4018 * tree-ssa-alias.c (updating_used_alone): New variable.
4019 (recalculate_used_alone): New function.
4020 (compute_may_aliases): Set updating_used_alone, call
4021 recalculate_used_alone.
4022 * tree-sra.c (pass_sra): Note that this pass destroys
4023 PROP_tmt_usage, and add TODO_update_tmt_usage.
4024 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4025 * tree-flow.h (updating_used_alone): Prototype.
4026 (recalculate_used_alone): Ditto.
4027 * passes.c (execute_todo): Add code to set updating_used_alone,
4028 and call recalculate.
4029 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4030 for clobber if used alone, and add assert to verify used_alone
4033 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4035 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4036 for non tls symbols added.
4037 (legitimize_address): Do nothing for PLUS expressions if one of the
4038 addends is a tls symbol reference.
4040 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4044 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4046 * Makefile.in (BOOTSTRAPPING): New.
4047 (quickstrap): New definition if BOOTSTRAPPING=yes.
4049 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4050 * configure.ac: Substitute all_selected_languages with the languages
4051 that were configured. For all the other variables except
4052 lang_specs_files, include all the languages in the tree.
4053 * configure: Regenerate.
4055 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4056 if there is one. Run the commands to run fixincludes in the same
4059 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4060 * doc/install.texi: Document exact conventions for searching target tools.
4061 Document --with-build-time-tools. Document toplevel bootstrap. Document
4062 something more about building an Ada cross-compiler. Don't list GNU Make
4063 requirements which affect all platforms.
4065 2006-02-19 Roger Sayle <roger@eyesopen.com>
4068 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4069 only equivalent if the have both the same mode and precision.
4071 2006-02-20 Ben Elliston <bje@au.ibm.com>
4073 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4075 2006-02-19 Roger Sayle <roger@eyesopen.com>
4076 Steven Bosscher <stevenb.gcc@gmail.com>
4078 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4079 constant pool references to identify stack mode constants.
4080 * rtlanal.c (constant_pool_constant_p): New predicate to check
4081 whether operand is a floating point constant in the pool.
4082 * rtl.h (constant_pool_constant_p): Prototype here.
4083 * loop.c (scan_loop): Avoid hoisting constants from the constant
4084 pool on STACK_REGS targets.
4085 (load_mems): Likewise.
4086 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4087 loads into x87 registers expensive in terms of register pressure.
4089 2006-02-19 Roger Sayle <roger@eyesopen.com>
4091 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4092 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4094 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4096 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4097 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4099 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4101 * doc/invoke.texi: Document -fipa-pta.
4102 * common.opt: Add ipa-pta option.
4103 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4104 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4105 (do_ds_constraint): Ditto.
4106 (get_constraint_for): Only add to referenced_vars if
4107 referenced_vars exists.
4108 (insert_into_field_list): Rewrite to do this unsorted.
4109 (insert_into_field_list_sorted): Rename old insert_into_field_list
4111 (create_function_info_for): Use insert_into_field_list_sorted.
4112 (create_variable_info_for): Rewrite so it uses unsorted version,
4113 since the field list is sorted.
4114 (intra_create_variable_infos): Only add to referenced_vars if
4115 referenced_vars exists.
4116 (ipa_pta_execute): Init heapvars, and delete when done.
4117 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4119 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4121 * doc/install.texi: Add missing `@samp'.
4123 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4125 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4128 2006-02-18 Mark Wielaard <mark@klomp.org>
4130 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4131 who added new 4.1 features, bug fixes and integration support.
4133 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4136 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4139 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4141 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4142 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4143 (copy_insn_1): Likewise. Don't copy each field individually.
4145 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4147 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4148 * rtl.c (rtx_size): Rename variable to...
4149 (rtx_code_size): ...this.
4150 (rtx_size): New function.
4151 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4152 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4154 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4155 * rtl.h (rtx_code_size): New variable.
4156 (rtx_size): Change from a variable to a function.
4157 (RTX_SIZE): Rename to...
4158 (RTX_CODE_SIZE): ...this.
4161 PR tree-optimization/17106
4162 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4163 (Anchored Addresses): New section.
4164 * doc/invoke.texi (-fsection-anchors): Document.
4165 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4166 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4167 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4168 * hooks.c (hook_bool_mode_rtx_false): New function.
4169 * hooks.h (hook_bool_mode_rtx_false): Declare.
4170 * gengtype.c (create_optional_field): New function.
4171 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4172 SYMBOL_REF_IN_BLOCK_P is true.
4173 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4174 (min_anchor_offset, max_anchor_offset): Likewise.
4175 (use_anchors_for_symbol_p): New hook.
4176 * toplev.c (compile_file): Call output_object_blocks.
4177 (target_supports_section_anchors_p): New function.
4178 (process_options): Check that -fsection-anchors is only used on
4179 targets that support it and when -funit-at-a-time is in effect.
4180 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4181 if the decl doesn't have one.
4182 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4183 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4184 of force_const_mem through use_anchored_address.
4185 (expand_expr_constant): New function.
4186 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4187 calling expand_expr for INDIRECT_REF.
4188 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4189 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4190 * expr.h (use_anchored_address): Declare.
4191 * loop-unroll.c: Don't declare rtx vectors here.
4192 * explow.c: Include output.h.
4193 (validize_mem): Call use_anchored_address.
4194 (use_anchored_address): New function.
4195 * common.opt (-fsection-anchors): New switch.
4196 * varasm.c (object_block_htab, anchor_labelno): New variables.
4197 (hash_section, object_block_entry_eq, object_block_entry_hash)
4198 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4199 (use_blocks_for_decl_p, change_symbol_section): New functions.
4200 (get_variable_section): New function, split out from assemble_variable.
4201 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4202 use_blocks_for_decl_p say so. Use change_symbol_section if the
4203 symbol has already been created.
4204 (assemble_variable_contents): New function, split out from...
4205 (assemble_variable): ...here. Don't output any code for
4206 block symbols; just pass them to place_block_symbol.
4207 Use get_variable_section and assemble_variable_contents.
4208 (get_constant_alignment, get_constant_section, get_constant_size): New
4209 functions, split from output_constant_def_contents.
4210 (build_constant_desc): Create a block symbol if use_object_blocks_p
4211 says so. Or into SYMBOL_REF_FLAGS.
4212 (assemble_constant_contents): New function, split from...
4213 (output_constant_def_contents): ...here. Don't output any code
4214 for block symbols; just pass them to place_section_symbol.
4215 Use get_constant_section and get_constant_alignment.
4216 (force_const_mem): Create a block symbol if use_object_blocks_p and
4217 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4218 (output_constant_pool_1): Add an explicit alignment argument.
4219 Don't switch sections here.
4220 (output_constant_pool): Adjust call to output_constant_pool_1.
4221 Switch sections here instead. Don't output anything for block symbols;
4222 just pass them to place_block_symbol.
4223 (init_varasm_once): Initialize object_block_htab.
4224 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4225 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4226 (place_block_symbol, get_section_anchor, output_object_block)
4227 (output_object_block_htab, output_object_blocks): New functions.
4228 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4229 (TARGET_ASM_OUT): Include it.
4230 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4231 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4232 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4233 (TARGET_INITIALIZER): Include them.
4234 * rtl.c (rtl_check_failed_block_symbol): New function.
4235 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4236 (block_symbol, object_block): New structures.
4237 (rtx_def): Add a block_symbol field to the union.
4238 (BLOCK_SYMBOL_CHECK): New macro.
4239 (rtl_check_failed_block_symbol): Declare.
4240 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4241 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4242 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4243 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4244 * output.h (output_section_symbols): Declare.
4245 (object_block): Name structure.
4246 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4247 (default_use_anchors_for_symbol_p): Declare.
4248 * Makefile.in (RTL_BASE_H): Add vec.h.
4249 (explow.o): Depend on output.h.
4250 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4251 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4252 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4253 (rs6000_use_blocks_for_constant_p): New function.
4255 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4257 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4259 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4262 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4265 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4267 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4271 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4274 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4275 instead of DECL_REGISTER.
4277 2006-02-18 Olivier Hainque <hainque@adacore.com>
4280 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4282 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4285 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4286 * opth-gen.awk: Handle Var and InverseMask together.
4287 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4288 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4289 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4290 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4292 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4293 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4294 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4295 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4296 LINUX_DYNAMIC_LINKER): Define.
4297 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4298 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4300 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4301 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4302 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4304 (TARGET_C99_FUNCTIONS): Don't define.
4305 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4306 GLIBC_DYNAMIC_LINKER.
4307 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4308 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4309 GLIBC_DYNAMIC_LINKER64): Define.
4310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4311 LINUX_DYNAMIC_LINKER64.
4312 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4314 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4315 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4316 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4318 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4319 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4320 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4322 and LINUX_DYNAMIC_LINKER32.
4323 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4325 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4327 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4329 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4330 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4331 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4332 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4333 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4334 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4335 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4336 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4337 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4338 LINUX_DYNAMIC_LINKER): Define.
4339 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4340 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4341 GLIBC_DYNAMIC_LINKER64): Define.
4342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4343 LINUX_DYNAMIC_LINKER64.
4344 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4345 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4346 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4347 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4348 LINUX_DYNAMIC_LINKER): Define.
4349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4350 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4351 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4352 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4353 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4354 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4355 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4356 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4357 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4358 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4359 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4360 * doc/invoke.texi (-muclibc): Remove caveat about supported
4363 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4365 * doc/cpp.texi (__TIMESTAMP__): Document.
4367 2006-02-17 Roger Sayle <roger@eyesopen.com>
4370 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4371 C is one less than the width of X (and related transformations).
4372 * simplify-rtx.c (simplify_unary_operation_1): Transform
4373 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4374 depending on STORE_FLAG_VALUE, were C is one less then the
4377 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4379 Fix PR tree-optimization/26341
4380 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4381 about NAME_MEMORY_TAG's.
4383 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4386 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4387 with hardware float support, and software float support. Add fcpy
4388 alternative to hardware patterns. Add alternatives to copy between
4389 general and floating-point registers to the 32-bit pattern.
4390 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4391 secondary reload to load a QI or HI mode constant into a floating
4393 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4394 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4396 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4399 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4401 (load_macho_picbase_di): Likewise.
4403 2006-02-16 Jeff Law <law@redhat.com>
4405 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4406 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4407 (ssa_name_nonzero_p): Likewise.
4408 (get_value_range): Return NULL if VRP is not running.
4409 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4410 VRP routines do not discover a range.
4411 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4412 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4413 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4414 (tree_expr_nonnegative_p): Similarly.
4415 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4416 (restore_nonzero_vars_to_original_value): Remove.
4417 (unsafe_associative_fp_binop): Remove.
4418 (tree_ssa_dominator_optimize): Remove initialization and
4419 finalization of nonzero_vars and nonzero_vars_stack.
4420 (dom_opt_initialize_block): No longer push marker on
4422 (dom_opt_finalize_block): No longer call
4423 restore_nonzero_vars_to_original_value.
4424 (record_equivalences_from_phis): No longer look for
4425 nonzero PHI arguments.
4426 (cprop_into_successor_phis): No longer propagate nonzero
4427 property into PHI arguments. Lose unused argument. Caller
4429 (record_equivalences_from_stmt): No longer record nonzero
4430 values for SSA_NAMEs.
4431 (lookup_avail_expr): No longer use nonzero_vars.
4433 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4434 for sizetype when sizetype is unsigned.
4436 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4438 PR rtl-optimization/25603
4439 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4440 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4441 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4442 with new meaning of SETS.
4444 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4449 * config/linux.opt: New file.
4450 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4451 LINUX_DYNAMIC_LINKER): Define.
4452 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4453 * config.gcc (*-*-linux*): Define extra_options.
4454 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4455 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4456 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4457 GLIBC_DYNAMIC_LINKER.
4458 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4459 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4460 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4461 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4462 * doc/invoke.texi (GNU/Linux Options): New section.
4464 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4466 * config/sparc/sparc.md (setjmp): Rewrite.
4467 (setjmp_32): Delete.
4468 (setjmp_64): Likewise.
4470 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4472 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4475 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4477 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4480 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4482 PR rtl-optimization/26296
4483 * Makefile.in (loop-invariant.c): Add except.h dependency.
4484 * loop-invariant.c: Include except.h.
4485 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4487 2005-02-16 Paul Brook <paul@codesourcery.com>
4489 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4492 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4494 PR rtl-optimization/25636
4495 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4496 when deciding whether an insn is an initializing insn.
4498 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4500 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4501 (tree_code_size): Ditto.
4502 * tree.h (struct tree_memory_tag): Remove parent_var.
4503 (struct tree_struct_field_tag): New.
4506 (union tree_node): Add sft member.
4507 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4509 (create_sft): Add size and offset argument, set SFT_OFFSET and
4511 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4512 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4513 * tree-flow-inline.h (get_subvar_at): Update for
4514 SFT_OFFSET/SFT_SIZE.
4515 (var_can_have_subvars): Ditto.
4516 (overlap_subvar): Ditto.
4517 * print-tree.c (print_node): Print out interesting things for
4519 * tree-flow.h (struct subvar): Remove offset and size members.
4520 * tree-ssa-operands.c (get_expr_operands): Update for
4521 get_indirect_ref_operands changes.
4522 (get_indirect_ref_operands): Call add_virtual_operand instead of
4523 add_stmt_operand. Only recurse on base var if requested.
4524 (access_can_touch_variable): New function.
4525 (add_stmt_operand): Split virtual operand handling into ...
4526 (add_virtual_operand): Here. Add offset, size, and for_clobber
4527 arguments. Prune alias sets.
4528 (add_call_clobber_ops): Call add_virtual_operand.
4530 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4533 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4535 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4536 than TREE_CODE as index into omp_clause_num_ops array.
4538 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4540 PR rtl-optimization/26184
4541 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4543 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4544 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4545 must_precede, must_follow and tobe_scheduled.
4548 * opts.c (common_handle_option): Free new_option pointer.
4549 * df-core.c (df_analyze): Free postorder pointer.
4551 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4553 * Makefile.in: Fix the examples about the use of stamps
4555 2006-02-15 Michael Matz <matz@suse.de>
4559 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4560 influenced by maximum_field_alignment or DECL_PACKED.
4561 (update_alignment_for_field): Ditto.
4562 (place_field): Ditto.
4563 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4566 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4568 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4569 (debug_flow_info): Pass it.
4570 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4571 * bb-reorder.c (reorder_basic_blocks): Likewise.
4572 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4573 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4574 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4575 * gcse.c (gcse_main, bypass_jumps): Likewise.
4576 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4577 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4578 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4579 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4580 * rtl.h (dump_flow_info): Adjust prototype.
4581 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4582 * var-tracking.c (variable_tracking_main): Likewise.
4583 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4584 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4587 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4589 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4592 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4594 PR tree-optimization/26209
4595 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4596 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4598 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4600 2006-02-14 Roger Sayle <roger@eyesopen.com>
4603 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4604 (X,Y) and the corresponding symmetry related transformations.
4605 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4606 (X,Y) and its symmetry related transformations.
4608 2006-02-14 Roger Sayle <roger@eyesopen.com>
4610 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4613 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4615 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4617 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4620 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4621 support COMDAT group.
4622 * configure: Regenerate.
4624 2006-02-14 Roger Sayle <roger@eyesopen.com>
4629 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4631 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4633 Fix PR tree-optimization/26260
4635 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4637 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4638 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4639 * tree-ssa-structalias.c (create_variable_info_for): Use
4640 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4642 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4644 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4646 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4647 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4648 of the ending condition.
4649 * tree-ssa-loop-manip.c: Include params.h.
4650 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4651 tree_unroll_loop): New functions.
4652 * tree-pass.h (pass_loop_prefetch): Declare.
4653 * loop.c (rest_of_handle_loop_optimize): Test for
4654 -fprefetch-loop-arrays-rtl.
4655 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4656 * timevar.def (TV_TREE_PREFETCH): New timevar.
4657 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4658 pass_loop_prefetch): New.
4659 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4660 (cleanup_tree_cfg_loop): Call scev_reset.
4661 * common.opt (fprefetch-loop-arrays-rtl): Add.
4662 * tree-ssa-loop-prefetch.c: New file.
4663 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4664 (new_temp_expr_table): Initialize expr_vars.
4665 (free_temp_expr_table): Cleanup expr_vars.
4666 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4667 expressions from being merged into one.
4668 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4669 (struct tree_niter_desc): Add control, bound and cmp fields.
4670 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4672 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4673 (tree-cfgcleanup.o): Add SCEV_H dependency.
4674 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4675 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4677 2006-02-14 Richard Guenther <rguenther@suse.de>
4679 PR tree-optimization/26258
4680 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4681 in PHI argument processing.
4683 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4685 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4686 new expression in the requested machine mode.
4688 2006-02-13 Roger Sayle <roger@eyesopen.com>
4690 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4691 directly, instead let do_compare_rtx_and_jump handle this for us.
4692 * expr.c (expand_expr_real_1): Likewise.
4693 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4694 before do_jump_by_parts_greater.
4695 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4696 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4698 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4700 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4702 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4704 PR rtl-optimization/26235
4705 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4706 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4709 2006-02-13 Jeff Law <law@redhat.com>
4711 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4714 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4717 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4718 twice if decl is a builtin. When trying again, call get_callee_fndecl
4719 first to verify it is still a builtin.
4721 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4723 * dwarf2out.c (base_type_die): Don't add AT_name here.
4724 (subrange_type_die): Don't add AT_name here.
4725 (modified_type_die): Rearrange code flow. Do add AT_name here.
4727 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4729 PR rtl-optimization/26247
4730 PR rtl-optimization/26248
4731 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4733 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4735 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4736 * config/fixtfdi.c: Likewise.
4737 * config/fixunstfdi.c: Likewise.
4738 * config/floatditf.c: Likewise.
4740 2006-02-13 Roger Sayle <roger@eyesopen.com>
4743 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4744 into (X,C2) if C1 is a subset of the bits of C2. Transform
4745 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4747 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4749 2006-02-13 Josh Conner <jconner@apple.com>
4752 * varasm.c (function_section): Check for section name before
4753 calling select_section on targets that define
4754 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4755 unlikely_text_section instead of hot_function_section if
4756 first_function_block_is_cold.
4758 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4761 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4763 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4765 PR rtl-optimization/26222
4766 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4767 after tree->rtl expansion.
4768 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4769 before passing it to emit_move_insn.
4771 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4773 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4775 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4776 Clarify documentation.
4777 * c-common.h (warn_write_strings): Remove.
4778 * c-common.c (warn_write_strings): Likewise.
4779 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4782 2006-02-12 Roger Sayle <roger@eyesopen.com>
4785 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4786 (do_jump_parts_zero_rtx): New function renamed from
4787 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4788 (do_jump_parts_equality_rtx): New function split out from
4789 do_jump_parts_equality. Old implementation renamed as above.
4790 Call do_jump_parts_zero_rtx if either operand is zero.
4791 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4792 do all of the heavy lifting.
4793 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4794 calling either do_jump_by_parts_greater_rtx or
4795 do_jump_by_parts_equality_rtx.
4796 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4797 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4798 moved to do_compare_rtx_and_jump, call it directly.
4799 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4800 mode argument. Call do_compare_rtx_and_jump.
4801 (emit_case_nodes): Update calls to do_jump_if_equal.
4803 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4805 PR rtl-optimization/26225
4806 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4808 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4810 PR rtl-optimization/26232
4811 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4813 2006-02-11 Jason Merrill <jason@redhat.com>
4816 * tree-inline.c (declare_return_variable): Just don't use the
4817 modify target if it's a gimple complex reg and the return slot
4820 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4822 * doc/contrib.texi: Update my entry.
4824 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4826 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4828 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4830 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4833 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4835 * doc/invoke.texi (-floop-optimize2): Removed.
4836 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4837 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4838 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4839 * common.opt (floop-optimize2): Removed.
4840 (fmove-loop-invariants): Enabled by default.
4842 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4844 * tree-if-conv.c (combine_blocks): Free the result of
4845 get_loop_exit_edges.
4847 2006-02-10 Jeff Law <law@redhat.com>
4849 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4851 PR tree-optimization/26213
4852 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4853 loop trying to follow SSA_NAME_VALUE chains.
4855 2006-02-10 Richard Guenther <rguenther@suse.de>
4857 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4858 deal with structures that end in implicitly variable sized arrays.
4860 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4862 PR rtl-optimization/24762
4863 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4866 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4868 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4869 (struct ivopts_data): Add regs_used field.
4870 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4871 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4872 instead of loop_data->regs_used;
4873 (free_loop_data): Do not free aux fields for loops.
4874 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4875 and tree_ssa_iv_optimize_finalize.
4877 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4879 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4881 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4884 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4885 computing the effective result type.
4887 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4890 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4891 (tree_overlaps_hard_reg_set): Declare.
4892 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4893 type and signature to match function type expected by walk_tree.
4894 (tree_overlaps_hard_reg_set): New function.
4895 (decl_conflicts_with_clobbers_p): Rename to:
4896 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4897 Use tree_overlaps_hard_reg_set. Changed caller.
4898 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4899 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4900 * cris.c (cris_md_asm_clobbers): Likewise.
4902 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4904 * reload1.c (emit_input_reload_insns): Delete code that tries to
4905 inherit using find_equiv_reg.
4907 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4909 * c-common.h (flag_const_strings): Don't declare.
4910 * c-common.c (flag_const_strings): Remove.
4911 * c.opt (fconst_strings): Remove.
4912 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4913 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4914 (c_common_init_options): Don't set flag_const_strings.
4915 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4917 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4919 * arm.md (tlobits_cbranch): New pattern.
4920 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4921 testing a single bit.
4923 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4926 * tree-ssa-pre.c (create_component_ref_by_pieces):
4927 Handle RETURN_DECL like VAR_DECL.
4929 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4932 * fold-const.c (fold_indirect_ref_1): Fold
4933 "*(foo *)&complexfoo" to "__real__ complexfoo"
4934 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4936 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4938 * tree-flow-inline.h (var_can_have_subvars):
4939 Volatile variables should not have subvariables.
4941 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4944 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4945 multiplying unsigned values.
4948 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4950 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4952 2006-02-08 Jason Merrill <jason@redhat.com>
4955 * tree.def: Elaborate on difference from MODIFY_EXPR.
4956 * doc/c-tree.texi (INIT_EXPR): Likewise.
4957 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4958 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4959 (gimplify_target_expr): Likewise.
4960 (gimplify_cond_expr): Remove target handling.
4961 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4962 (gimplify_expr): Clobber it here.
4963 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4964 Do return slot optimization if we have an INIT_EXPR.
4967 * tree-inline.c (declare_return_variable): Also clear
4968 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4971 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4974 * gimplify.c (gimplify_one_sizepos): Fix typo.
4976 2006-02-08 Jeff Law <law@redhat.com>
4978 PR tree-optimization/21417
4979 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4980 across a backedge if the control statement at the end of the
4981 block is data dependent on other statements in the same block.
4982 (record_temporary_equivalences_from_stmts): Remove over-conservative
4983 test for threading across backedges.
4985 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4986 control statement, handle all three special cases in the same
4987 manner as they all have the same desired solution. No longer
4988 special case edge flag updating when the post dominator is
4991 2006-02-08 Roger Sayle <roger@eyesopen.com>
4993 * tree.def (CHAR_TYPE): Remove.
4994 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4995 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4996 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4997 (gen_string_type_die): Delete unreachable function.
4999 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5000 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5001 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5002 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5003 * builtins.c (type_to_class): Likewise.
5004 * fold-const.c (fold_convert, build_range_check,
5005 merge_ranges): Likewise.
5006 * expr.c (count_type_elements): Likewise.
5007 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5008 * stor-layout.c (layout_type): Likewise.
5009 * ipa-type-escape.c (type_to_consider): Likewise.
5010 * gimplify.c (omp_firstprivatize_type_sizes,
5011 gimplify_type_sizes): Likewise.
5012 * explow.c (promote_mode): Likewise.
5013 * tree-sra.c (is_sra_scalar_type): Likewise.
5014 * varasm.c (output_constant): Likewise.
5015 * tree-inline.c (remap_type_1): Likewise.
5016 * convert.c (convert_to_pointer, convert_to_real,
5017 convert_to_integer, convert_to_complex): Likewise.
5019 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5021 * df-scan.c (df_def_record_1): A set destination may
5022 be a parallel regardless of mode.
5024 2006-02-08 Roger Sayle <roger@eyesopen.com>
5027 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5028 * config/mips/_tilib.c: Remove.
5029 * config/fixtfdi.c: New libgcc source file.
5030 * config/fixunstfdi.c: New source file.
5031 * config/floatditf.c: New source file.
5032 * config/floatunditf.c: New souce file.
5033 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5034 files above instead of config/mips/_tilib.c.
5035 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5037 2006-02-08 Jeff Law <law@redhat.com>
5039 PR tree-optimization/26169
5040 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5043 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5045 * df.h (DF_REG_SIZE): Return the length of the initialized
5048 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5050 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5051 __muldf3): Return a correctly signed zero.
5053 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5055 * passes.c (register_one_dump_file): Accept the current properties
5056 instead of pass number. Adjust call to dump_register. Remove
5058 (register_dump_files): Now a wrapper around...
5059 (register_dump_files_1): ... this one. Do not modify the pass
5061 (next_pass_1): Cosmetic fix.
5062 (execute_todo): Keep second parameter only. Use curr_properties
5063 instead of fetching it from the pass structure. Check and set
5065 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5066 instead of fetching it from the pass structure. Fix calls to
5067 execute_todo. Update curr_properties and initialize .vcg RTL dump
5068 after running the pass. Reset last_verified.
5069 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5071 (FIRST_AUTO_NUMBERED_DUMP): New.
5072 (dump_register): Remove "num" parameter, assign it within the
5074 (get_dump_file_name): Modify template for dumps.
5075 * tree-dump.h (dump_register): Adjust prototype.
5076 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5077 (PROP_trees): Add PROP_gimple_lomp.
5078 (TODO_set_props): New.
5079 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5080 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5081 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5083 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5085 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5086 (sparc64-*-linux*): Likewise.
5087 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5088 * config/sparc/t-linux: New file.
5089 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5090 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5091 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5092 -m32 -mlong-double-128.
5094 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5095 * config/alpha/t-linux: New file.
5096 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5098 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5099 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5100 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5101 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5102 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5103 (CPP_ARCH32_SPEC): Remove.
5105 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5107 PR tree-optimization/26145
5108 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5111 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5114 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5115 >= 240000 when generating code for SOM runtime.
5116 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5117 to $$dyncall when generating code for SOM runtime..
5119 2006-02-07 Dirk Mueller <dmueller@suse.com>
5122 * doc/invoke.texi (-Wsequence-point): Update documentation
5123 that -Wsequence-point is implemented for C++ as well.
5125 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5127 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5128 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5129 (LIB_SPEC): Likewise.
5130 * doc/invoke.texi (SPARC options): Document -pthread.
5132 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5134 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5137 2006-02-07 Roger Sayle <roger@eyesopen.com>
5139 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5140 Correct comment describing BOOLEAN_TYPE.
5142 2006-02-07 Dirk Mueller <dmueller@suse.com>
5144 * c.opt: C++ frontend supports -Wdiv-by-zero.
5145 * c-opts.c (c_common_handle_option): Remove dead case.
5147 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5149 * configure.ac (TLS assembler check): Do not enable TLS by
5150 default on SPARC/Solaris before version 10.
5151 * configure: Regenerate.
5153 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5155 * doc/invoke.texi (xl-compat): Document conversion and support
5158 2006-02-07 Jeff Law <law@redhat.com>
5160 * tree-vrp.c (find_conditional_asserts): Update comments.
5161 (simplify_stmt_for_jump_threading): New.
5162 (identify_jump_threads, finalize_jump_threads): New.
5163 (vrp_finalize): Call identify_jump_threads.
5164 (execute_vrp): Call finalize_jump_threads.
5165 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5166 (vrp_element, vrp_data, vrp_element_p): Remove.
5167 (vrp_hash_elt, vrp_variables_stack): Remove.
5168 (vrp_hash, vrp_eq, record_range): Remove.
5169 (simplify_cond_and_lookup_avail_expr): Remove.
5170 (extract_range_from_cond): Remove.
5171 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5172 (simplify_stmt_for_jump_threading): New.
5173 (dom_thread_across_edge): New wrapper.
5174 (tree_ssa_dominator_optimize): No longer initialize or
5175 finalize any of the VRP datastructures. Remove iteration
5176 step and simplify as a result of removal of iteration step.
5177 (pass_dominator): Perform a cfg cleanup after DOM.
5178 (dom_opt_finalize_block): Use the new common routines
5179 for threading jumps. Simplify stack management slightly.
5180 No longer need to unwind VRP state.
5181 (record_equivalences_from_incoming_edge): No longer record
5183 (eliminate_redundant_computations): No longer call
5184 simplify_cond_and_lookup_avail_expr.
5185 * tree-flow.h (potentially_threadable_block): Prototype.
5186 (thread_across_edge): Likewise.
5187 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5188 (tree-ssa-threadedge.o): Add dependencies.
5189 * tree-ssa-threadedge.c: New file.
5190 * passes.c (init_optimization_passes): Merge PHIs before
5191 calling VRP. Run VRP again late in the SSA optimization pipeline.
5193 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5195 * df-core.c (df_set_blocks): Do not dereference function pointers.
5196 (df_finish1): Likewise.
5197 (df_hybrid_search_forward): Likewise.
5198 (df_hybrid_search_backward): Likewise.
5199 (df_iterative_dataflow): Likewise.
5200 (df_analyze_problem): Likewise.
5201 (df_compact_blocks): Likewise.
5202 (df_dump): Likewise.
5203 * df-scan.c (df_rescan_blocks): Likewise.
5204 (df_record_entry_block_defs): Likewise.
5206 * genconditions.c (write_conditions): Guard the definition of
5207 'insn_conditions' with the check on GCC version.
5208 (write_writer): Guard the traversal 'insn_conditions' with
5209 the check on GCC version.
5211 2006-02-07 Richard Guenther <rguenther@suse.de>
5215 2006-01-30 Richard Guenther <rguenther@suse.de>
5217 * gimplify.c (gimplify_target_expr): Handle easy cases
5218 without creating a temporary.
5220 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5222 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5223 use of float in probability computations. Use edge probabilities
5224 in place of statically computed probabilities.
5225 (min_spec_prob): New static variable.
5226 (schedule_insns): Initialize it.
5227 (GET_SRC_PROB): Removed.
5228 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5230 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5233 * config/ia64/unwind-ia64.c: Revert last change.
5234 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5235 (INCOMING_FRAME_SP_OFFSET): Define.
5237 2006-02-06 Roger Sayle <roger@eyesopen.com>
5239 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5241 2006-02-07 Ben Elliston <bje@au.ibm.com>
5243 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5244 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5245 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5246 (ix86_return_in_memory): Handle TDmode.
5247 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5248 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5250 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5252 * reorg.c (dbr_schedule): Use dump_file instead of file.
5254 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5257 * config/ia64/predicates.md (extr_len_operand): New predicate.
5258 * config/ia64/ia64.md (extv): Tighten constraints.
5260 (*tbit_and_2): Ditto.
5261 (*tbit_and_3): Ditto.
5262 (*tbit_or_2): Ditto.
5263 (*tbit_or_3): Ditto.
5267 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5270 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5272 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5274 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5275 loop_optimizer_init and loop_optimizer_finalize
5276 * tree-ssa-sink.c (execute_sink_code): Ditto.
5277 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5278 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5279 tree_ssa_loop_done): Ditto.
5280 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5281 * sched-ebb.c: Include output.h.
5282 (schedule_ebbs): Do not use dump argument.
5283 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5284 * loop.c (loop_dump_stream): Removed.
5285 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5287 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5288 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5289 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5290 loop_iterations, strength_reduce, record_biv, record_giv,
5291 final_giv_value, check_final_value, check_ext_dependent_givs,
5292 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5293 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5294 dump_file instead of loop_dump_stream.
5295 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5297 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5299 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5300 * haifa-sched.c: Include output.h
5301 (schedule_insns, sched_init): Do not use dump argument.
5302 * mode-switching.c (optimize_mode_switching): Ditto.
5303 * modulo-sched.c (stats_file): Removed.
5304 (print_node_sched_params): Do not call argument dump_file.
5305 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5306 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5308 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5310 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5311 rtl_loop_init, rtl_loop_done): Ditto.
5312 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5313 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5315 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5316 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5317 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5318 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5319 * emit-rtl.c (renumber_insns): Ditto.
5320 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5321 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5322 * regclass.c (regclass): Ditto.
5323 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5324 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5325 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5326 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5328 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5329 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5331 * gcse.c (gcse_file, debug_stderr): Removed.
5332 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5333 rest_of_handle_gcse): Do not use dump argument.
5334 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5335 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5336 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5337 compute_code_hoist_vbeinout, compute_code_hoist_data,
5338 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5339 compute_store_table, build_store_vectors, insert_insn_start_bb,
5340 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5341 store_motion): Use dump_file instead of gcse_file.
5342 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5343 * profile.c (profile_dump_file): Removed.
5344 (branch_prob): Use dump_file instead of profile_dump_file.
5345 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5347 * tree-ssa-copy.c (dump_copy_of): Ditto.
5348 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5349 dump file to life_analysis.
5350 * bt-load.c (branch_target_load_optimize): Ditto.
5351 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5353 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5354 regclass, dbr_schedule): Declaration changed.
5355 * sched-int.h (sched_init): Declaration changed.
5356 * tree-profile.c (tree_profile_dump_file): Removed.
5357 (tree_profile_hooks): Removed profile_dump_file hook.
5358 * rtl-profile (rtl_profile_dump_file): Removed.
5359 (rtl_profile_hooks): emoved profile_dump_file hook.
5360 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5362 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5363 * tree-cfg.c (build_tree_cfg): Ditto.
5364 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5365 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5366 Declaration changed.
5367 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5368 life_analysis and schedule_insns.
5369 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5371 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5373 * config/mips/mips.c (mips_reorg): Ditto.
5374 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5377 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5379 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5380 (s390_mangle_fundamental_type): New.
5381 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5384 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5385 (alpha_mangle_fundamental_type): New.
5386 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5389 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5391 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5393 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5394 (sparc_mangle_fundamental_type): New.
5396 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5398 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5399 (s390x-*-linux*): Likewise.
5400 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5401 * config/s390/t-linux: New file.
5403 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5405 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5406 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5408 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5410 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5411 (ANTIC_SAFE_LOADS): New macro.
5412 (find_or_generate_expression): Add prototype.
5413 (set_contains_value): Allow null set for sake of not always having
5414 to allocate ANTIC_SAFE_LOADS.
5415 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5416 Allow COMPONENT_REF too.
5417 (valid_in_set): Allow COMPONENT_REF.
5418 Check ANTIC_SAFE_LOADS too.
5419 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5420 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5422 (can_PRE_operation): Add COMPONENT_REF.
5423 (create_component_ref_by_pieces): New function.
5424 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5425 (insert_aux): Move AGGREGATE_TYPE_P check here.
5426 (compute_avail): Set bb local stmt uids.
5427 (pass_pre): Use TODO_update_ssa_only_virtuals.
5429 2006-02-06 Ben Elliston <bje@au.ibm.com>
5431 * configure.ac: Unconditionally disable decimal float by default.
5432 * configure: Regenerate.
5434 2006-02-06 Ben Elliston <bje@au.ibm.com>
5436 * read-rtl.c (read_name): Terminate reading on EOF.
5438 2006-02-06 Ben Elliston <bje@au.ibm.com>
5440 * dfp.c (decimal_real_arithmetic): Change second argument type
5441 from int to enum tree_code. Do not always return true, but now
5442 return result of any call to decimal_do helper functions.
5443 * dfp.h (decimal_real_arithmetic): Update prototype.
5445 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5447 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5449 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5452 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5455 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5457 * tree-vrp.c (cfg_loops): Removed.
5458 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5459 Use current_loops instead of cfg_loops. Pass flags to
5460 loop_optimizer_init.
5461 * cfgloopmanip.c (fix_loop_structure): Update only available
5463 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5464 loop_optimizer_init.
5465 * modulo-sched.c (build_loops_structure): Removed.
5466 (sms_schedule): Use loop_optimizer_init.
5467 * loop-init.c (loop_optimizer_init): Use flags to determine
5468 which properties of loops to prepare.
5469 (rtl_loop_init): Pass flags to loop_optimizer_init.
5470 * tree-ssa-sink.c (execute_sink_code): Ditto.
5471 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5472 * tree-ssa-pre.c (init_pre): Ditto.
5473 * cfgloop.h (LOOPS_NORMAL): New.
5474 (loop_optimizer_init): Declaration changed.
5476 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5478 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5479 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5481 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5483 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5485 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5486 * pa/t-pa64: Delete quadlib.c rule.
5487 * pa/x-ada: Revert last change.
5488 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5490 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5492 PR rtl-optimization/26087
5493 * rtlanal.c (canonicalize_condition): Do not cross basic block
5496 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5499 * config/ia64/ia64.c: Include debug.h.
5500 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5501 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5502 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5503 (process_epilogue, process_set, process_for_unwind_directive):
5504 Output unwind info only if requested. Add CFA info if requested.
5505 Add new arguments as needed. Adjust callers.
5506 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5508 (DWARF2_FRAME_INFO): Define to zero.
5509 * config/ia64/unwind-ia64.c: Remove code that compensated for
5510 the CFA offset error fixed above.
5511 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5512 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5513 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5514 -funwind-tables and -fexceptions to enable frame info.
5515 (dwarf2out_frame_init): Define initial CFA even if
5516 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5517 DWARF2_UNWIND_INFO is nonzero, not just defined.
5518 (dwarf2out_frame_finish): Output non-EH call frame info only
5519 if DWARF2_FRAME_INFO is nonzero.
5520 (convert_cfa_to_loc_list,
5521 compute_frame_pointer_to_cfa_displacement): Define even if
5522 unwind info is not supported.
5523 (gen_subprogram_die): Use the above unconditionally. Remove
5524 legacy alternate code.
5525 * toplev.c (compile_file): Compile in call to
5526 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5527 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5529 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5530 Jakub Jelinek <jakub@redhat.com>
5532 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5533 IBM extended float format long double as "g" on powerpc*-linux.
5535 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5538 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5539 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5541 2006-02-03 Jason Merrill <jason@redhat.com>
5544 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5547 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5548 on the return slot if it's an NRV.
5550 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5552 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5553 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5554 rewrite_use): Do not handle USE_OUTER.
5555 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5556 add_iv_outer_candidates, may_replace_final_value,
5557 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5558 (find_interesting_uses_op): Functionality of
5559 find_interesting_uses_outer_or_nonlin moved here.
5560 (find_interesting_uses_outside): Use find_interesting_uses_op.
5562 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5565 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5567 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5568 Ulrich Weigand <uweigand@de.ibm.com>
5571 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5572 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5573 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5574 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5576 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5577 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5578 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5579 Define secondary reloads for TFmode moves.
5580 (constant_modes): Add TFmode.
5581 (NR_C_MODES): Set to 8.
5582 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5584 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5585 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5586 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5587 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5588 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5589 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5590 (FPR mode macro): Add TFmode.
5591 (DSF mode macro): New.
5592 (<de>, <dee> mode attributes): Removed.
5593 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5594 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5595 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5596 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5597 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5598 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5599 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5600 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5601 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5602 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5603 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5604 "*negabs<mode>2", "sqrt<mode>2"):
5605 Changed <de> to <xde>. R constraint replaced by <Rf>.
5606 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5608 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5609 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5610 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5612 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5613 "extenddftf2", "extendsftf2"): New expanders.
5614 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5615 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5616 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5617 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5619 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5620 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5621 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5622 __floatditf): Add a GCC_4.1.0 symbol version tag.
5623 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5626 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5629 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5630 Use targetm.binds_local_p instead of TREE_PUBLIC.
5632 2006-02-02 Roger Sayle <roger@eyesopen.com>
5634 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5635 on INTEGER_TYPEs to indicate that it denotes a character type.
5636 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5637 signed_char_type_node, unsigned_char_type_node and char_type_node.
5638 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5639 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5640 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5642 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5643 Daniel Berlin <dberlin@dberlin.org>
5645 * tree-tailcall.c (arg_needs_copy_p): New function.
5646 (eliminate_tail_call): Use arg_needs_copy_p.
5647 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5648 (add_virtual_phis): New function.
5650 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5652 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5653 #ignore instead of #scratch for %g7 .register directive.
5655 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5657 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5660 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5662 * flow.c (calculate_global_regs_live): Assert that there aren't any
5665 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5667 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5669 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5670 bsi_after_labels iterator.
5671 * tree-if-conv.c (find_phi_replacement_condition,
5672 replace_phi_with_cond_modify_expr): Likewise.
5673 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5674 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5676 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5678 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5680 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5683 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5684 array after growing it.
5686 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5689 * fold-const.c (fold_checksum_tree): Change type of buf.
5691 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5693 * reload.c (push_secondary_reload): Initialize t_icode.
5695 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5697 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5698 -msoft-float -mlong-double-128 only issue a warning, but don't
5699 swich to DFmode long double.
5701 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5703 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5704 has a constant equivalent, iterate over equivalents for arg0,
5705 calling simplify_relational_operation and if there's a result
5706 cheaper than X, apply fold_rtx and return the result.
5708 2006-02-01 Jan Hubicka <jh@suse.cz>
5710 * opts.c (no_unit_at_a_time_default): New global variable.
5711 (decode_options): Use it.
5712 * opts.h (no_unit_at_a_time_default): Declare.
5714 2006-02-01 Paul Brook <paul@codesourcery.com>
5716 * function.c (assign_parm_setup_reg): Use function argument promotion
5718 * expr.c (expand_expr_real_1): Use function argument promotion rules
5721 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5723 * gcc.c (process_command): Change j to 'unsigned int'.
5725 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5728 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5729 Use the corrected index for the character
5730 out of the string constant.
5732 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5734 * mode-switching.c (optimize_mode_switching): Fix size
5735 allocated for bb_info[n_entities].
5737 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5739 * gcc.c (main): Correct type that is allocated for
5740 explicit_link_files.
5742 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5744 * config/s390/s390.c (init_alignment_context): Set
5745 ALIAS_SET_MEMORY_BARRIER on the MEM.
5746 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5748 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5751 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5753 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5756 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5758 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5759 * regrename.c: Ditto.
5760 * tree-ssa-loop-im.c: Ditto.
5761 * tree-dump.c: Ditto.
5762 * tree-complex.c: Ditto.
5763 * genrecog.c: Ditto.
5764 * tree-ssa-threadupdate.c: Ditto.
5766 * java/class.c: Ditto.
5767 * java/jcf-parse.c: Ditto.
5768 * java/resource.c: Ditto.
5769 * java/except.c: Ditto.
5770 * java/jvspec.c: Ditto.
5771 * java/jcf-write.c: Ditto.
5772 * java/jcf-path.c: Ditto.
5773 * java/gjavah.c: Ditto.
5774 * java/zextract.c: Ditto.
5775 * java/jcf-io.c: Ditto.
5776 * java/jcf.h: Ditto.
5777 * java/buffer.c: Ditto.
5778 * java/lang.c: Ditto.
5779 * java/parse-scan.y: Ditto.
5780 * java/lex.c: Ditto.
5781 * java/lex.h: Ditto.
5782 * cfgloopmanip.c: Ditto.
5783 * postreload-gcse.c: Ditto.
5784 * tree-ssa-loop-manip.c: Ditto.
5785 * postreload.c: Ditto.
5786 * tree-ssa-loop-ch.c: Ditto.
5790 * diagnostic.c: Ditto.
5792 * genoutput.c: Ditto.
5794 * cfghooks.c: Ditto.
5795 * cfgloopanal.c: Ditto.
5796 * objc/objc-act.c: Ditto.
5798 * genextract.c: Ditto.
5799 * genautomata.c: Ditto.
5800 * pretty-print.c: Ditto.
5802 * cgraphunit.c: Ditto.
5805 * haifa-sched.c: Ditto.
5806 * dominance.c: Ditto.
5808 * tree-ssa-loop-ivopts.c: Ditto.
5810 * mode-switching.c: Ditto.
5811 * modulo-sched.c: Ditto.
5813 * ipa-pure-const.c: Ditto.
5815 * fix-header.c: Ditto.
5817 * tree-stdarg.c: Ditto.
5818 * ipa-utils.c: Ditto.
5819 * loop-init.c: Ditto.
5820 * ipa-inline.c: Ditto.
5823 * alloc-pool.c: Ditto.
5824 * dwarf2out.c: Ditto.
5826 * genattrtab.c: Ditto.
5827 * tree-ssa-loop-ivcanon.c: Ditto.
5831 * fortran/gfortranspec.c: Ditto.
5833 * local-alloc.c: Ditto.
5834 * langhooks.c: Ditto.
5835 * function.c: Ditto.
5836 * tree-vectorizer.c: Ditto.
5838 * ipa-type-escape.c: Ditto.
5840 * tree-if-conv.c: Ditto.
5843 * tree-data-ref.c: Ditto.
5844 * loop-unroll.c: Ditto.
5845 * treelang/treetree.c: Ditto.
5848 * ggc-common.c: Ditto.
5850 * coverage.c: Ditto.
5852 * tree-cfgcleanup.c: Ditto.
5853 * tree-ssa-pre.c: Ditto.
5854 * cfgcleanup.c: Ditto.
5855 * loop-invariant.c: Ditto.
5857 * ipa-prop.c: Ditto.
5858 * print-tree.c: Ditto.
5859 * conflict.c: Ditto.
5860 * ggc-page.c: Ditto.
5861 * sched-deps.c: Ditto.
5862 * regclass.c: Ditto.
5863 * tree-object-size.c: Ditto.
5865 * bb-reorder.c: Ditto.
5866 * resource.c: Ditto.
5867 * var-tracking.c: Ditto.
5869 * df-problems.c: Ditto.
5870 * reg-stack.c: Ditto.
5873 * sched-rgn.c: Ditto.
5874 * tree-ssa-structalias.c: Ditto.
5875 * tree-ssa-reassoc.c: Ditto.
5876 * config/darwin-c.c: Ditto.
5877 * config/darwin.c: Ditto.
5878 * config/arm/arm.c: Ditto.
5880 * collect2.c: Ditto.
5883 2006-01-31 Nicolas Pitre <nico@cam.org>
5885 * arm.md (smaxsi3): Make aware of smax_m1.
5888 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5890 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5892 2006-01-31 Richard Guenther <rguenther@suse.de>
5894 * doc/invoke.texi (-msselibm): Document.
5895 * target.h (expand_library_builtin): New target hook.
5896 * builtins.c (expand_builtin): Use expand_library_builtin.
5897 (default_expand_library_builtin): New function.
5898 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5899 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5900 (link_gcc_math_spec): Declare.
5901 (static_specs): Add link_gcc_math_spec.
5902 * expr.h (default_expand_library_builtin): Declare.
5903 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5904 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5905 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5906 * config/i386/i386.opt (msselibm): New target option.
5907 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5908 (ix86_init_sse_abi_builtins): New function.
5909 (ix86_expand_library_builtin): Likewise.
5910 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5911 (override_options): Handle error conditions wrt -msselibm.
5912 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5913 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5914 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5917 2006-01-31 Richard Guenther <rguenther@suse.de>
5918 Paolo Bonzini <bonzini@gnu.org>
5920 * doc/install.texi (--disable-libgcc-math): Document.
5922 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5924 * expr.h (expand_normal): new inline function.
5925 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5927 * dwarf2out.c: use it.
5932 * config/sparc/sparc.c: use it.
5933 * config/i386/i386.c: use it.
5934 * config/rs6000/rs6000.c: use it.
5935 * config/arm/arm.c: use it.
5936 * config/mips/mips.c: use it.
5937 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5939 2006-01-30 Roger Sayle <roger@eyesopen.com>
5941 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5942 argv to the appropriate type.
5944 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5946 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5949 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5952 * config/s390/s390.c (struct machine_function): New flag
5953 decomposed_literal_pool_addresses_ok_p.
5954 (s390_reorg): Set it before final stage of literal pool transforms.
5955 (s390_decompose_address): Only accept displacements of the form
5956 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5958 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5960 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5961 the comparison routine return.
5963 2006-01-30 Michael Matz <matz@suse.de>
5965 * global.c (find_reg): Only evict for global regs.
5966 Take n_refs into account and dump more info.
5968 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5971 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5972 (pragma_trap, pragma_nosave_low_regs): Likewise.
5973 (current_function_anonymous_args): Likewise.
5974 (sh_deferred_function_attributes): New variable.
5975 (sh_deferred_function_attributes_tail): Likewise.
5976 (print_operand): For '@', look up trap_exit attribute.
5977 (calc_live_regs): Look up trapa_handler attribute. For trapa
5978 handlers, save/restore fpscr, but don't do any other
5979 interrupt-specific saves.
5980 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5981 Fix check for partially saved registers to check for SHmedia.
5982 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5983 (sh_output_function_epilogue): Don't clear any of the removed
5985 (sh_insert_attributes): Don't check pragma_interrupt.
5986 Insert deferred attributes. Check that interrupt attribute is
5987 present for other attributes that require its presence.
5988 (sh_attribute_table): Add new attributes trapa_handler and
5990 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5991 Don't check for pragma_interrupt. Don't store argument.
5992 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5993 (sh_deferred_function_attributes): Declare.
5994 (sh_deferred_function_attributes_tail): Likewise.
5995 * sh.md (sp_switch_1): Add operand. Change generator caller.
5996 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5997 (*return_i): Don't use when trap_exit attribute is in effect.
5998 (*return_trapa): New insn pattern.
6000 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6001 setting c_target_objs and cxx_target_objs.
6002 * t-sh: Add rule for sh-c.o.
6004 2006-01-30 Richard Guenther <rguenther@suse.de>
6007 * gimplify.c (gimplify_target_expr): Handle easy cases
6008 without creating a temporary.
6010 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6012 * vec.h (safe_grow): Remove duplicated line.
6014 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6017 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6018 (expand_omp): ... here.
6019 (expand_omp_parallel): Only remove barriers for combined
6020 parallel+workshare constructs.
6022 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6026 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6027 * tree.c (build_qualified_type): Chain the new type to the original
6028 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6029 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6030 (build_pointer_type_for_mode): Only return unqualified types.
6031 (build_reference_type_for_mode): Likewise.
6033 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6035 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6036 * Makefile.in (CXX_COMPAT_WARN): Define.
6037 * configure: Regenerate.
6039 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6042 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6045 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6047 * toplev.c: Fix thinko.
6049 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6050 Marcin Dalecki <martin@dalecki.de>
6052 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6053 (push_srcloc): Use XNEW.
6054 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6056 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6058 * df-core.c (df_set_blocks): Deleted all variable.
6060 2006-01-28 Ian Lance Taylor <ian@airs.com>
6062 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6063 cgraph_output_pending_asms.
6065 2006-01-28 Zack Weinberg <zackw@panix.com>
6067 * c.opt: Add -W(no-)overlength-strings.
6068 * doc/invoke.texi: Document it.
6069 * c-opts.c (c_common_handle_option): -pedantic implies
6070 -Woverlength-strings, if not explicitly disabled already.
6071 (c_common_post_options): -Woverlength-strings defaults to off, and
6072 is always off for C++.
6073 * c-common.c (fix_string_type): Issue warning about strings longer
6074 than is portable only if warn_overlength_strings. Rearrange code
6075 a little for clarity.
6076 * configure.in: Check for -Wno-overlength-strings as well before
6077 enabling -pedantic in stage 1.
6078 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6079 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6081 * genconditions.c (write_header, write_one_condition)
6082 (write_conditions, write_writer): Consolidate very long strings
6083 that were broken up to fit in C89 portable limit. Don't use
6084 printf when fputs will do.
6086 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6088 * combine.c (simplify_comparison <AND>): Check
6089 TRULY_NOOP_TRUNCATION before start using a subreg.
6091 * config/mips/mips.md (*branch_zero<mode>,
6092 *branch_zero<mode>_inverted, *branch_equality<mode>,
6093 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6094 Remove mode check from comparisons.
6096 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6098 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6100 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6102 * expmed.c (const_mult_add_overflow_p): Remove.
6103 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6105 * recog.c (validate_replace_rtx_subexp): Remove.
6106 * recog.h: Remove the prototype for
6107 validate_replace_rtx_subexp.
6109 * integrate.h: Remove the prototype for
6110 copy_decl_for_inlining.
6111 * rtl.h: Remove the prototype for mark_constant_function.
6112 * tree-vectorizer.h: Remove the prototype for
6113 vect_strip_conversion.
6115 * modulo-sched.c (create_partial_schedule,
6116 free_partial_schedule, reset_partial_schedule): Make them
6119 * hooks.c (hook_bool_rtx_int_false): Remove.
6120 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6122 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6124 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6125 and -mlong-double-128 are incompatible.
6126 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6127 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6128 (TARGET_LIBGCC2_CFLAGS): Define.
6129 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6130 (TARGET_LIBGCC2_CFLAGS): Same.
6131 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6133 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6136 * c-typeck.c (build_binary_op): Perform implicit casts of
6137 operands before shortening them.
6139 * cfgloopmanip.c (split_loop_bb): Remove.
6140 * cfgloop.h: Remove the prototype for split_loop_bb.
6142 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6143 * cfgloop.h: Remove the prototype for
6144 flow_loop_outside_edge_p.
6146 * emit-rtl.c (init_virtual_regs): Make it static.
6147 * function.h: Remove the prototype for init_virtual_regs.
6149 * recog.c (peephole2_optimize): Make it static.
6150 * recog.h: Remove the prototype for peephole2_optimize.
6152 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6154 * df-scan.c (df_record_entry_block_defs): Check if
6155 INCOMING_RETURN_ADDR_RTX is defined.
6157 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6158 Kenneth Zadeck <zadeck@naturalbridge.com>
6160 PR rtl-optimization/24762
6161 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6162 * targhooks.c (hook_void_bitmap): New hook prototype.
6163 * targhoohs.h (hook_void_bitmap): Ditto.
6164 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6165 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6166 * target.h (live_on_entry): New function pointer.
6167 * df-scan.c (df_all_hard_regs): Removed.
6168 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6169 (df_scan_free_internal): Added df->entry_block_defs.
6170 (df_scan_alloc): Ditto.
6171 (df_scan_dump): Ditto.
6172 (df_uses_record): Plumbed flag field properly thru calls.
6173 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6174 This part fixes PR24762.
6175 (df_bb_refs_record): Added code to make the frame and arg
6176 pointers live in EH blocks.
6177 (df_refs_record): Added call to df_record_entry_block_defs.
6178 (df_record_entry_block_defs): New function.
6179 * df-core.c: Added comments to describe new artifical defs.
6180 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6181 (entry_block_defs): New field in struct df.
6182 (df_all_hard_regs): Deleted.
6183 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6184 * df-problems.c (df_ru_bb_local_compute_process_def):
6185 Added code to handle artifical defs in the entry to a function.
6186 (df_ru_bb_local_compute): Ditto.
6187 (df_rd_bb_local_compute_process_def): Ditto.
6188 (df_rd_bb_local_compute): Ditto.
6189 (df_lr_bb_local_compute): Ditto.
6190 (df_ur_bb_local_compute): Ditto.
6191 (df_urec_bb_local_compute): Ditto.
6192 (df_chain_create_bb): Ditto.
6193 (df_ur_local_finalize): Removed entry.
6194 (df_urec_init): Ditto.
6195 (df_urec_local_finalize): Ditto.
6196 (df_ri_bb_compute): Added detection of last use of pseudos.
6197 * Makefile.in (df-scan.o): Updated dependencies.
6198 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6199 * config/mips/mips.c (mips_set_live_on_entry): Added.
6200 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6202 * dce.c (marked_insn_p): Added code to handle artifical defs.
6204 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6206 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6208 (_mm_cvtsi128_si64): Likewise.
6209 (_mm_cvtsd_si64): Likewise.
6210 (_mm_cvttsd_si64): Likewise.
6211 (_mm_cvtsi64_sd): Likewise.
6212 (_mm_cvtsi64_si128): Likewise.
6213 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6214 (_mm_cvtsi64_m64): Likewise.
6215 (_m_to_int64): Likewise.
6216 (_mm_cvtm64_si64): Likewise.
6217 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6218 (_mm_cvttss_si64): Likewise.
6219 (_mm_cvtsi64_ss): Likewise.
6220 (_mm_cvtss_f32): Likewise.
6222 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6224 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6225 for pragma redefine_extname.
6227 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6230 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6231 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6232 -mno-minimal-toc to previous content.
6233 (bispecs): Remove goal.
6234 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6235 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6236 compatibility aliases on powerpc-*-*gnu*.
6237 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6238 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6239 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6240 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6241 (ldblspecs): New goal.
6242 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6243 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6245 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6246 L_sf_to_tf or L_df_to_tf is defined.
6248 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6249 Alan Modra <amodra@bigpond.net.au>
6252 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6253 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6254 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6255 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6256 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6257 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6258 (rs6000_override_options): Initialize rs6000_ieeequad.
6259 Initialize TFmode format to ibm_extended_format if not
6261 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6263 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6264 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6265 (function_arg_advance): IBM long double passed in two FPRs, not
6267 (function_arg): IBM long double passed in FPRs.
6268 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6269 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6270 Only multireg GPR aligned.
6271 (rs6000_init_libfuncs): Enable IBM long double functions if not
6273 (rs6000_generate_compare): Use IBM long double compare if not
6275 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6276 (TARGET_IEEEQUAD): Define.
6277 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6278 not TARGET_IEEEQUAD.
6279 * config/rs6000/rs6000.md: Enable TFmode patterns if
6281 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6282 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6283 and -mlong-double-128 are incompatible.
6284 * doc/invoke.texi (-mabi): Collect options together. Add
6285 ibmlongdouble and ieeelongdouble.
6287 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6289 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6291 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6292 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6293 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6294 * rtl.h (rtunion_def): Remove rt_ptr.
6296 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6297 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6298 * config/i386/winnt.c (i386_pe_mark_dllexport)
6299 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6301 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6303 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6305 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6309 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6310 pthread_key_delete. From John David Anglin. gthrw-ify
6311 pthread_getunique_np only if it it's not a macro. Delete
6313 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6314 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6315 __gthread_objc_condition_signal, __gthread_key_delete): Add
6316 "__attribute__ ((__unused__))" to unused arguments.
6317 (__gthread_recursive_mutex_init_function): Add missing return.
6318 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6319 gthr-posix95.h: Use macro-based approach for name redirection
6320 on targets missing weakref.
6322 2006-01-26 Zack Weinberg <zackw@panix.com>
6324 * genconditions.c (write_header): In generated code, #ifdef out
6325 all includes and fake declarations, except includes of bconfig.h
6326 and system.h, unless GCC_VERSION >= 3001. Do not include
6327 gensupport.h in any case.
6328 (write_conditions): Generate a definition of struct c_test. Add
6329 a comment to the generated #endif.
6330 (write_one_condition): Escape backslashes in string too.
6331 (write_writer): Generated code must escape backslashes and quote
6332 marks (but not newlines) in the strings it writes.
6333 * Makefile.in (build/gencondmd.o): Update dependencies.
6335 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6338 * Makefile.in (insn-automata.o): Add header file dependencies.
6339 * genautomata.c: Add includes.
6341 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6344 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6346 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6348 * configure.ac: Expect target tools paths to be passed from the toplevel
6349 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6351 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6353 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6356 * c.opt (Wpointer-sign): Init to -1.
6357 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6358 OPT_pedantic, to 0 otherwise.
6359 * doc/invoke.texi: Update.
6361 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6363 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6364 constants provided by 80387 instructions in the destination mode.
6366 2006-01-26 Richard Guenther <rguenther@suse.de>
6367 Andrew Pinski <pinskia@physics.uc.edu>
6370 partial PR tree-opt/17064
6371 * tree-ssa-structalias.c (intra_create_variable_infos):
6372 Create heap variables for incoming parameters if
6373 flag_argument_noalias > 1.
6374 (find_what_p_points_to): Look through default defs of
6377 2006-01-26 Jeff Law <law@redhat.com>
6380 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6381 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6382 within the VR_RANGE, use the VR_RANGE as the result, not the
6384 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6385 bounds for the type.
6387 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6389 * tree-ssa-alias.c (maybe_create_global_var): Change
6390 subvar walking to an assertion that we don't have subvar'd variables.
6392 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6395 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6396 Use a new variable, inner. PARM_DECLs are always non-weak.
6398 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6400 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6403 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6405 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6407 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6409 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6410 (smax_insn, smin_insn, smax_0, smin_0): New.
6412 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6415 * config/cris/cris.c (cris_order_for_addsi3): New function.
6416 * config/cris/cris-protos.h: Prototype it.
6417 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6418 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6419 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6420 (split for "op.S1 [rx=rx+i],ry (swapped)")
6421 (split for "op(s|u).S1 [rx=rx+i],ry")
6422 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6423 Apply cris_order_for_addsi3 when generating addsi3 insns.
6425 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6427 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6428 (TREE_BLOCK): Add call to EXPR_CHECK.
6430 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6433 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6434 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6435 (dump_omp_clauses): ... here.
6436 (dump_generic_node): Handle OMP_CLAUSE.
6437 * tree.c (omp_clause_num_ops): New.
6438 (omp_clause_code_name): New.
6439 (tree_code_size): Handle OMP_CLAUSE.
6440 (tree_size): Likewise.
6441 (make_node): Document handling of OMP_CLAUSE.
6442 (tree_node_structure): Handle OMP_CLAUSE.
6443 (omp_clause_check_failed): New.
6444 (omp_clause_range_check_failed): New.
6445 (omp_clause_operand_check_failed): New.
6446 (build_omp_clause): New.
6447 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6448 * tree.h (enum omp_clause_code): Declare.
6449 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6450 (OMP_CLAUSE_RANGE_CHECK): Define.
6451 (OMP_CLAUSE_ELT_CHECK): Define.
6452 (omp_clause_check_failed): Declare.
6453 (omp_clause_operand_check_failed): Declare.
6454 (omp_clause_range_check_failed): Declare.
6455 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6456 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6457 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6458 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6459 (OMP_CLAUSE_IF_EXPR): Likewise.
6460 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6461 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6462 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6463 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6464 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6465 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6466 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6467 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6468 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6469 (OMP_CLAUSE_CODE): Define.
6470 (OMP_CLAUSE_SET_CODE): Define.
6471 (OMP_CLAUSE_CODE): Define.
6472 (OMP_CLAUSE_OPERAND): Define.
6473 (struct tree_omp_clause): Declare.
6474 (union tree_node): Add field 'omp_clause'.
6475 * treestruct.def (TS_OMP_CLAUSE): Define.
6476 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6477 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6478 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6479 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6480 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6481 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6482 (OMP_CLAUSE): Define.
6483 * print-tree.c (print_node): Handle OMP_CLAUSE.
6484 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6485 * c-typeck.c: Likewise.
6486 * gimplify.c: Likewise.
6487 * c-omp.c: Likewise.
6488 * tree-nested.c: Likewise.
6489 * tree-inline.c: Likewise.
6490 * c-parser.c: Likewise.
6491 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6494 2006-01-25 Roger Sayle <roger@eyesopen.com>
6496 PR rtl-optimization/25703
6497 * combine.c (try_combine): Handle zero_extract and strict_low_part
6498 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6500 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6502 * global.c: Fix comment typos.
6504 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6507 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6508 Use output_addr_const instead of assemble_name.
6510 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6512 * Makefile.in (sched-vis.o): Update dependencies.
6513 * haifa-sched.c (sched_finish): Clear current_sched_info.
6514 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6515 (dump_flow_info): Call it.
6516 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6518 * basic-block.h (dump_bb_info): Declare.
6519 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6520 option, and apply options only for dump files whose TDF_RTL,
6521 TDF_TREE, or TDF_IPA bits match.
6522 * rtl.h: Declare new functions exported from sched-vis.c.
6523 * sched-vis.c: Enable also if scheduling is not used.
6524 (print_value): Print the mode of registers if not inside scheduling.
6525 (print_insn): Make it work outside the scheduler. Beautify the output
6527 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6529 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6531 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6532 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6533 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6534 depending on the value of CONSTANT_POOL_ADDRESS_P.
6535 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6537 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6538 rather than SYMBOL_REF_DECL.
6539 (rtx_constant_pool): Remove const_rtx_sym_htab.
6540 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6541 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6542 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6543 Remove handling of const_rtx_sym_htab.
6544 (find_pool_constant): Delete.
6545 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6546 rather than find_pool_constant.
6547 (get_pool_constant_for_function): Delete.
6548 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6550 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6551 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6552 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6553 (SYMBOL_REF_CONSTANT): New macro.
6554 (get_pool_constant_for_function): Delete.
6555 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6556 rather than SYMBOL_REF_DECL.
6557 (i386_pe_mark_dllimport): Likewise.
6558 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6559 rather than SYMBOL_REF_DECL.
6560 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6561 (machopic_indirect_call_target): Likewise.
6563 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6565 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6567 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6569 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6571 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6573 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6575 2006-01-24 David Daney <ddaney@avtrex.com>
6578 * configure.ac (enable_tls): New enable option.
6579 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6580 * configure: Regenerate.
6581 * doc/install.texi (--enable-tls): Document new option.
6582 (--disable-tls): Ditto.
6584 2006-01-24 Richard Henderson <rth@redehat.com>
6586 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6587 * alias.c (true_dependence): Respect it.
6588 (canon_true_dependence, write_dependence_p): Likewise.
6589 * builtins.c (get_builtin_sync_mem): Set it.
6591 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6593 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6596 2006-01-24 DJ Delorie <dj@redhat.com>
6598 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6599 for storing constants in single-bit bitfields.
6601 2006-01-25 Ben Elliston <bje@au.ibm.com>
6603 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6605 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6608 * tree-ssa-pre.c (phi_translate): Return NULL
6609 for AGGREGATE_TYPE's.
6611 2006-01-24 Zack Weinberg <zackw@panix.com>
6613 * genautomata.c (process_state_for_insn_equiv_partition):
6614 Use xcalloc for insn_arcs_array.
6615 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6616 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6618 2006-01-24 Richard Henderson <rth@redhat.com>
6620 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6623 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6625 PR rtl-optimization/25890
6626 PR rtl-optimization/25905
6627 * combine.c (expand_compound_operation, expand_field_assignment):
6628 Fail if the bitfield's final position is out of bounds.
6630 2006-01-24 Ian Lance Taylor <ian@airs.com>
6633 * cgraphunit.c (cgraph_output_in_order): Don't clear
6634 cgraph_asm_nodes until after asm strings have been output.
6636 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6638 * fix-header.c (read_scan_file): Add new parameter imultilib when
6639 calling register_include_chains.
6641 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6643 * omp-low.c: Update documentation.
6645 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6646 Daniel Berlin <dberlin@dberlin.org>
6650 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6651 return from the function.
6653 2006-01-22 Zack Weinberg <zackw@panix.com>
6655 * rtl.def (match_code): Add second argument.
6656 * genpreds.c (write_extract_subexp): New function.
6657 (write_match_code): Add path argument. Use write_extract_subexp.
6658 (write_predicate_expr): Pass path to write_match_code.
6659 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6660 not perform a mode test.
6661 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6662 a subexpression does not constrain the top-level code set.
6663 * read-rtl.c (read_rtx_variadic): New function.
6664 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6665 * doc/md.texi: Document new notation.
6666 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6667 (cmpsi_operand): ... here, using new notation.
6669 2006-01-22 Zack Weinberg <zackw@panix.com>
6671 * varray.c: Remove GENERATOR_FILE #ifdefs.
6673 2006-01-22 Zack Weinberg <zackw@panix.com>
6675 * genautomata.c (output_reserved_units_table): Emit nothing if
6676 description->query_units_num is zero. Remove extra blank line.
6677 (output_cpu_unit_reservation_p): Short circuit
6678 if description->query_units_num is zero.
6680 2006-01-22 Zack Weinberg <zackw@panix.com>
6682 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6683 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6684 nor any of the random handful of variables that used to be necessary
6685 when this program was linked with rtlanal.o. Prune set of forward
6686 function declarations.
6687 (struct attr_desc): Remove static_p field.
6688 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6689 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6690 (attr_string): Do not read the character one past the length of
6692 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6693 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6694 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6695 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6696 (make_automaton_attrs): New.
6697 (main): Do not call into genautomata. Call local gen_bypass
6698 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6699 Remove special case for insn_alts.
6700 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6701 varray.h (leftover from previous change). Prune set of forward
6702 function declarations. Remove state_alts fields from all
6703 structures. Remove state_alts_table from struct automaton.
6704 Make everything except main static. Do not maintain num_dfa_decls.
6705 Do not maintain state_alts fields of various structures.
6706 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6707 (add_arc): Remove state_alts argument. All callers updated.
6708 (output_reserved_units_table): Emit #ifdef here...
6709 (output_tables): ...not here. Don't generate state_alts tables.
6710 (expand_automata): Don't generate attributes.
6711 (write_automata): Don't generate state_alts functions.
6712 (main): New function.
6713 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6714 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6715 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6716 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6717 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6718 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6719 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6720 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6722 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6723 * genattrtab.h: Delete file.
6724 * Makefile.in (OBJS-common): Add insn-automata.o.
6725 (insn-automata.o): New rule.
6726 (simple_generated_c): Add insn-automata.c.
6727 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6728 (genprogmd): Add automata.
6729 (build/genattrtab): Needs no extra objects nor libraries.
6730 (build/genautomata): Needs build/vec.o and -lm.
6732 2006-01-22 Zack Weinberg <zackw@panix.com>
6734 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6735 (output_dfa_max_issue_rate, locked_states_num): Delete.
6736 (struct automaton): Add locked_states field.
6737 (output_dead_lock_vect): Save number of locked states in
6738 automaton->locked_states. If it is zero, don't print anything.
6739 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6740 (output_internal_dead_lock_func): Only test the dead_lock_vect
6741 for automata that have locked states.
6742 (output_statistics): Always print the number of locked states for
6743 each automaton. Calculate total number of locked states here.
6744 (write_automata): Don't call output_dfa_max_issue_rate.
6745 * genattrtab.c: Define length_unit_log as a const variable.
6746 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6747 max_insn_queue_index const.
6748 * final.c (length_unit_log): Declare const.
6749 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6751 2006-01-22 Zack Weinberg <zackw@panix.com>
6753 * genautomata.c: Include vec.h, not varray.h.
6754 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6755 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6756 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6757 VEC_* macros operating on appropriately typed vectors, or to
6758 malloced arrays when the size is known in advance. Const-ify
6759 many char* variables and function arguments. No functional changes.
6760 * Makefile.in (build/varray.o): Delete rule.
6761 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6762 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6764 2006-01-22 Zack Weinberg <zackw@panix.com>
6766 * gensupport.c: Define get_insn_name and record_insn_name here.
6767 (read_md_rtx): Call record_insn_name as appropriate.
6768 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6769 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6770 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6772 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6773 (BUILD_VARRAY): Delete.
6774 (genprognormal): Rename genprogmd. Fold in all programs from
6775 genprognoprint; also attrtab.
6776 (build/genattrtab): Just mention genautomata.o and varray.o.
6777 Reorganize a bit, add comments to make the categories clearer.
6779 2006-01-22 Zack Weinberg <zackw@panix.com>
6781 * genconditions.c (condition_table, add_condition): Delete.
6782 (write_conditions): Don't emit n_insn_conditions nor
6783 insn_elision_unavailable. Issue the gcc version #ifdef here,
6784 inside the table, with no #else clause ...
6785 (write_header): ...not here.
6786 (write_writer): New function.
6787 (main): Don't initialize condition_table. Use add_c_test.
6789 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6790 files on the command line.
6791 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6792 Return -1 if there is no entry in the table, don't abort.
6793 (add_c_test, traverse_c_tests): New functions.
6794 * gensupport.h (insn_elision_unavailable, insn_conditions)
6795 (n_insn_conditions): Delete declarations.
6796 (add_c_test, traverse_c_tests): Declare.
6797 * read-rtl.c: Include gensupport.h.
6798 (read_conditions): New function.
6799 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6800 (read_rtx_1): If we get EOF when we were looking for an initial
6801 open paren, return 0. Call read_conditions when appropriate.
6802 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6803 dummy-conditions.o. Eliminate references to insn-conditions.o,
6804 or change them to build/gencondmd.o, as appropriate. Remove
6805 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6806 from $(simple_generated_c). For all files remaining in those
6807 two lists, add insn-conditions.md to the generator command line.
6808 Give insn-constants.h/s-constants their own rules. Add rules
6809 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6810 (build/read-rtl.o): Depend on gensupport.h.
6811 (genprognormal): Include preds.
6812 (genprogearly): Rename genprognoprint; only difference is now that
6813 they don't link with $(BUILD_PRINT).
6814 * dummy-conditions.c: Delete.
6816 2006-01-22 Zack Weinberg <zackw@panix.com>
6818 * genextract.c: Don't include insn-config.h. Do include vec.h.
6819 Declare vectors of int, char, and locstr.
6820 (locstr): New typedef.
6821 (struct extraction): Make all array fields into bare pointers.
6822 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6823 (insn_code_number): Delete.
6824 (accum_extract): New struct.
6825 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6826 (gen_insn): Take insn_code_number as an argument. Use an
6827 accum_extract structure instead of loading data directly into
6828 a struct extraction, and having to know how big it might get.
6829 (walk_rtx): Operate entirely on an accum_extract structure.
6830 (print_path): Avoid unnecessary use of printf.
6831 (print_header): New function, split out of main. Distinguish
6832 more carefully between an unrecognizable insn and an insn that
6833 has the code number of a define_expand.
6834 (main): Pass insn_code_number to gen_insn. Call print_header
6835 only after parsing. Avoid unnecessary use of printf.
6836 * Makefile.in (build/vec.o): New rule.
6837 (build/genextract): Depend on build/vec.o.
6838 (build/genextract.o): Don't depend on insn-config.h.
6840 2006-01-22 Zack Weinberg <zackw@panix.com>
6842 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6843 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6844 practical. Eliminate per-generator-program link rules.
6846 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6849 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6850 with a call expr to ...
6851 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6853 2006-01-23 Richard Guenther <rguenther@suse.de>
6855 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6856 before make_edge with conditional EDGE_TRUE_VALUE.
6858 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6859 Jan Hubicka <jh@suse.cz>
6860 Richard Guenther <rguenther@suse.de>
6862 PR rtl-optimization/25654
6863 * cfgexpand.c (aggregate_contains_union_type): New function.
6864 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6865 for structure variables that contain a union type.
6867 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6869 * gengtype.c (new_structure): Return the structure.
6870 (create_option): Add an extra "next" argument.
6871 (create_field): New function.
6872 (adjust_field_rtx_def): Use create_option and create_field.
6873 Remove a now-unnecessary call to find_structure.
6874 (adjust_field_tree_def): Likewise.
6875 (note_yacc_type): Remove an unnecessary call to find_structure.
6876 * gengtype.h (new_structure): Return the structure.
6877 (create_option): Add an extra argument.
6878 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6879 (option): Adjust calls to create_option.
6881 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6883 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6885 2006-01-22 Paul Brook <paul@codesourcery.com>
6886 Peter Barada <peter@the-baradas.com>
6888 * config/m68k/m68k.md: Add Coldfire FPU support.
6889 Define FP mode macro and associated attributes.
6890 Use it for float mode patterns.
6891 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6892 (LIBCALL_VALUE): Use m68k_libcall_value.
6893 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6894 (m68k_function_value): Ditto.
6895 (emit_move_sequence): Ditto.
6896 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6897 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6898 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6899 (MULTILIB_EXCEPTIONS): Ditto.
6900 * config/m68k/m68k.opt: Add mcfv4e.
6901 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6902 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6903 (m68k_output_function_prologue): Save ColdFire FPU registers.
6904 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6905 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6906 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6907 ColdFire FPU registers.
6908 (m68k_libcall_value, m68k_function_value): New functions.
6909 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6910 (LIBCALL_VALUE): Use m68k_libcall_value.
6911 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6912 (MASK_COLDFIRE): Add MASK_CFV4E.
6913 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6914 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6915 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6916 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6917 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6918 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6919 * doc/invoke.tex: Document -mcfv4e on m68k.
6921 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6923 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6926 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6929 * c-opts.c (c_common_handle_option): Don't include
6930 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6931 * doc/invoke.texi (C++ Dialect Options): Document that
6932 -Wnon-virtual-dtor is no longer included in -Wall.
6934 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6936 * gcov.c (print_version), gcov-dump.c (print_version),
6937 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6940 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6942 * df-scan.c (problem_SCAN): Added NULL reset function.
6943 (df_scan_reset_blocks): Added code to call reset block function
6944 (df_bb_refs_delete) Fixed comment.
6945 (df_insn_refs_delete): Made tolerant of deleting non existent info
6946 for dataflow problems that need to be reset.
6947 * df-core.c (df_set_blocks): Ditto.
6948 * df.h (struct df_problem): Added reset_fun.
6949 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6950 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6951 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6952 functions to clear out all references to def-use or use-def chains.
6954 2006-01-21 Ben Elliston <bje@au.ibm.com>
6956 * varasm.c (assemble_real): Initialise data array.
6958 2006-01-20 Paul Brook <paul@codesourcery.com>
6960 Merge from csl-arm-branch.
6961 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6962 * config/arm/arm.md (movdi): Force operands[1] to a register
6963 if we have a non-register source.
6964 (*arm_movdi, *movdf_soft_insn): Require that one of the
6965 operands be a register.
6966 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6967 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6969 2006-01-20 DJ Delorie <dj@redhat.com>
6971 * varasm.c (initialize_constant_valid_p): Allow pointers
6972 initialized from integer constants of lesser precision.
6973 (output_constant): Allow non-int-sized pointer modes to be
6974 initialized from integer constants.
6976 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6979 * cppdefault.h (struct default_include): Add multilib flag.
6980 * cppdefault.c (cpp_include_defaults): Set it.
6981 * c.opt (-imultilib): New option.
6982 * c-opts.c (imultilib): New.
6983 (c_common_handle_option): Handle -imultilib.
6984 (c_common_post_options): Likewise.
6985 * c-incpath.c (add_standard_paths, register_include_chains):
6987 * c-incpath.h (register_include_chains): Add extra parameter.
6988 * gcc.c (do_spec_1): Generate -imultilib option.
6989 (The Specs Language): Update %I description.
6990 (process_command): Update copyright notice.
6991 * doc/cppopts.texi (-imultilib): Document.
6992 * doc/invoke.texi (-imultilib): Include in option summary.
6993 (%I): Update specs documentation.
6995 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6997 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6999 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7001 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7004 2006-01-20 Richard Guenther <rguenther@suse.de>
7005 Steven Bosscher <stevenb.gcc@gmail.com>
7007 PR rtl-optimization/24626
7008 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7009 EDGE_TRUE_VALUE if in RTL mode.
7012 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7013 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7015 2006-01-20 Dirk Mueller <dmueller@suse.com>
7018 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7019 instead of a special NOP marker.
7020 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7021 NOP marker handling.
7022 * c-common.h (empty_body_warning): Add forward declaration.
7023 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7024 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7026 2006-01-20 Paul Brook <paul@codesourcery.com>
7028 * Makefile.in (lang_checks): Keep going if mkdir fails.
7030 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7032 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7033 be able to clean out basic block when not necessary.
7034 (df_scan_free): Fixed to properly delete information if df is
7035 unused before calling df_finish.
7036 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7037 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7039 (df_bb_refs_delete): New function.
7040 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7041 * df-core.c (df_set_blocks): Added code to properly clean out
7042 unused blocks if they are not part of the blocks to consider.
7043 Added additional null check.
7044 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7045 be able to clean out basic block when not necessary
7046 * df.h (df_free_bb_function): Ditto.
7047 (df_bb_refs_delete): New function.
7048 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7049 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7050 basic block parameter to be able to clean out basic block when not
7052 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7053 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7054 Fixed to properly delete information if df is unused before
7057 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7059 PR rtl-optimization/25799
7060 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7061 Corrected confluence operator to remove bits from op2 before oring
7062 with op1 rather than removing bits from op1.
7063 (df_ru_transfer_function): Corrected test on wrong bitmap which
7064 caused infinite loop. Both of these problems were introduced in
7065 the dataflow rewrite.
7067 2006-01-19 DJ Delorie <dj@redhat.com>
7069 * reload1.c (find_reload_regs): Note the details of reload
7070 failures in the dump file.
7071 (spill_failure): Likewise.
7073 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7075 * loop-iv.c: Include df.h and hashtab.h.
7076 (enum iv_grd_result): New enum.
7077 (DF_REF_IV, DF_REF_IV_SET): New macros.
7078 (struct biv_entry): New.
7079 (df, bivs): New global variables.
7080 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7081 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7083 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7084 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7085 analyzed_for_bivness_p, record_biv): New functions.
7086 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7087 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7088 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7090 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7092 (iv_number_of_iterations): Use new interface to iv analysis.
7093 * loop-unroll.c: Do not include varray.h.
7094 (analyze_iv_to_split_insn): Use new interface to iv
7096 * loop-unswitch.c (may_unswitch_on): Ditto.
7097 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7099 (df_bb_modify): Realloc tables to the new index.
7100 (df_find_use): New function.
7101 * df.h (df_find_use): Declare.
7102 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7104 * cfgloop.h (struct rtx_iv): Remove analysed field.
7105 (iv_get_reaching_def): Removed.
7106 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7107 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7108 (loop-iv.o): Add df.h and hashtab.h dependency.
7109 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7111 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7114 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7116 (__floatundisf, __floatundidf): Likewise.
7117 * libgcc2.h (IS_IBM_EXTENDED): Define.
7119 2006-01-19 DJ Delorie <dj@redhat.com>
7121 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7123 2006-01-19 Paul Brook <paul@codesourcery.com>
7125 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7126 as nothrow when unwinding tables are disabled.
7128 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7131 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7132 of bit-field" when in system header.
7134 2006-01-19 DJ Delorie <dj@redhat.com>
7136 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7137 the 16 bit shift limit of the m16c.
7139 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7142 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7143 * config/i386/i386.c (output_set_got): Output the label if we have one
7144 for the TARGET_DEEP_BRANCH_PREDICTION case.
7146 2006-01-19 Jan Hubicka <jh@suse.cz>
7147 H.J. Lu <hongjiu.lu@intel.com>
7148 Evandro Menezes <evandro.menezes@amd.com>
7150 * invoke.texi (generic): Document
7152 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7153 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7154 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7155 (x86_use_incdec, x86_pad_returns): New variables
7156 (TARGET_CPU_DEFAULT_generic): New constant
7157 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7158 (enum processor_type): Add generic32 and generic64.
7159 * i386.md (cpu attribute): Add generic32/generic64
7160 (movhi splitter): Behave sanely when both partial_reg_dependency and
7161 partial_reg_stall are set.
7162 (K8 splitters): Enable for generic as well.
7163 * predicates.md (incdec_operand): Use TARGET_INCDEC
7164 (aligned_operand): Avoid memory mismatch stalls.
7165 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7166 * ppro.md: Enable for generic32
7167 * i386.c (generic64_cost, generic32_cost): New.
7168 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7169 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7170 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7171 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7172 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7173 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7174 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7175 x86_accumulate_outgoing_args, x86_prologue_using_move,
7176 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7177 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7179 (x86_use_incdec, x86_pad_returns): New.
7180 (override_options): Add generic32 and generic64, translate "generic"
7181 to generic32/generic64 and "i686" to "generic32", refuse
7182 "generic32"/"generic64" as arch target.
7183 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7184 (ix86_reorg): Honor PAD_RETURNS.
7186 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7188 * tree-pretty-print.c (dump_generic_node): Handle
7189 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7190 * cgraph.c (cgraph_expand_queue): Rename from
7191 cgraph_analyze_queue. Update all users.
7192 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7193 cgraph_expand_queue.
7194 (cgraph_expand_all_functions): Likewise.
7195 (cgraph_finalize_pending_functions): Remove. Update callers.
7197 * tree.h (OMP_DIRECTIVE_P): Define.
7198 (OMP_PARALLEL_FN): Define.
7199 (OMP_PARALLEL_DATA_ARG): Define.
7200 (OMP_SECTIONS_SECTIONS): Define.
7201 * tree-pass.h (pass_expand_omp): Declare.
7202 * omp-low.c (struct omp_region): Declare.
7203 (struct omp_context): Remove fields 'parallel_type',
7204 'parallel_start_ix' and 'parallel_start_additional_args'.
7206 (struct omp_for_data): Rename from struct expand_omp_for_data.
7207 (omp_regions): New static variable.
7208 (root_omp_region): New static variable.
7209 (find_omp_clause): Make static.
7210 (is_in_combined_parallel_ctx): Remove.
7211 (is_combined_parallel): New.
7212 (extract_omp_for_data): Move earlier in the file.
7213 (workshare_safe_to_combine_p): New.
7214 (get_ws_args_for): New.
7215 (determine_parallel_type): Move earlier in the file.
7216 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7218 (omp_copy_decl): Likewise.
7219 (create_omp_child_function): Likewise.
7220 (lookup_omp_region): New.
7221 (dump_omp_region): New.
7222 (debug_omp_region): New.
7223 (debug_all_omp_regions): New.
7224 (new_omp_region): New.
7225 (scan_omp_parallel): If parallel_nesting_level > 1, the
7226 directive is nested within another parallel directive.
7227 Set OMP_PARALLEL_FN.
7228 (scan_omp_for): Do not try to handle combined parallel+for
7230 Remove FIXME comment.
7231 (scan_omp_nested): Remove.
7232 (scan_omp_1): Do not call scan_omp_nested when
7233 parallel_nesting_level is > 1.
7234 Do not change the DECL_CONTEXT of local variables found.
7235 (lookup_decl_in_outer_ctx): New.
7236 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7237 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7238 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7239 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7240 If CTX is nested, lookup VAR in the outer context when
7241 building copy assignment.
7242 (lower_send_clauses): Rename from expand_send_clauses.
7243 If CTX is nested, lookup VAR in the outer context when
7244 building copy assignments.
7245 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7246 If CTX is nested, lookup VAR in the outer context when
7247 building copy assignments.
7248 (expand_parallel_call): Rename from build_parallel_call.
7249 Handle combined parallel+workshare cases.
7250 Re-implement to emit code into the CFG.
7252 (expand_omp_parallel): Re-implement to emit code into the CFG.
7253 Call move_sese_region_to_fn to outline the sub-graph
7254 containing the parallel region.
7255 (expand_omp_for_1): Remove.
7256 (expand_omp_for_generic): Re-implement to emit code into the
7258 (expand_omp_for_static_nochunk): Likewise.
7259 (expand_omp_for_static_chunk): Likewise.
7260 (expand_omp_for): Likewise.
7261 (expand_omp_sections): Likewise.
7262 (remove_exit_barriers): New.
7263 (expand_omp_synch): New.
7265 (build_omp_regions_1): New.
7266 (build_omp_regions): New.
7267 (execute_expand_omp): New.
7268 (gate_expand_omp): New.
7269 (pass_expand_omp): Define.
7270 (lower_omp_sections): Rename from expand_omp_sections.
7271 Set OMP_SECTIONS_SECTIONS.
7272 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7273 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7274 (lower_omp_single): Rename from expand_omp_simple.
7275 (lower_omp_master): Rename from expand_omp_master.
7276 (lower_omp_ordered): Rename from expand_omp_ordered.
7277 (lower_omp_critical): Rename from expand_omp_critical.
7278 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7279 (lower_omp_for): Re-implement.
7280 (lower_omp_parallel): Re-implement.
7281 (lower_regimplify): Rename from expand_regimplify.
7282 (lower_omp_1): Rename from expand_omp_1.
7283 If there are syntax errors in the program, replace every
7284 OpenMP directive with NOP.
7285 Call lower_omp_* instead of expand_omp_*.
7286 (lower_omp): Rename from expand_omp.
7288 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7289 * tree-gimple.h (enum omp_parallel_type): Remove.
7290 (gimple_boolify): Declare extern.
7291 (find_omp_clause, determine_parallel_type): Remove.
7293 * gimple-low.c (lower_omp_directive): New.
7294 (lower_stmt): Call it.
7295 (record_vars_into): Move from ...
7296 (record_vars): ... here.
7297 Call record_vars_into with current_function_decl.
7299 * gimplify.c (struct gimplify_ctx): Remove fields
7300 combined_pre_p and combined_ctxp. Update users.
7301 (get_formal_tmp_var): Add documentation.
7302 (gimple_boolify): Make extern.
7303 (gimplify_expr_in_ctx): Remove. Update callers.
7304 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7305 will always be a BIND_EXPR.
7306 (gimplify_expr): Handle OMP_RETURN_EXPR.
7307 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7308 (OMP_PARALLEL): Add 3 operands.
7309 (OMP_SECTIONS): Add 1 operand.
7310 (OMP_RETURN_EXPR): Define.
7312 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7313 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7314 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7315 creating a circular free list.
7316 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7318 * tree-flow.h (move_sese_region_to_fn): Declare.
7319 (record_vars_into): Declare.
7320 * tree-cfg.c (make_omp_sections_edges): New.
7321 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7322 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7323 OMP_SECTIONS and OMP_SECTION.
7324 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7325 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7326 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7327 (gather_blocks_in_sese_region): New.
7328 (struct move_stmt_d): Declare.
7330 (move_block_to_fn): New.
7331 (move_sese_region_to_fn): New.
7333 * passes.c (init_optimization_passes): Schedule
7334 pass_expand_omp after pass_init_datastructures.
7336 * tree-ssa-operands.c (get_expr_operands): Handle
7337 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7338 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7340 2006-01-19 Jeff Law <law@redhat.com>
7342 * tree-vrp.c (extract_range_from_assert): Refine the result range
7343 if the variable referenced by the ASSERT_EXPR has a range and
7344 either the tentative result range or the previous range is a
7347 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7349 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7351 2006-01-19 Jan Hubicka <jh@suse.cz>
7353 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7355 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7357 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7358 (expand_compound_operation, expand_field_assignment): Fail if the
7359 bit lengths of an extract operation are out of range.
7360 (make_extraction): Compute wanted_inner_mode based on the position
7361 and length of the extraction. Make it extraction_mode for non-constant
7362 positions, and do not modify offset in that case. When generating a
7363 new MEM, use a mode that can hold the extraction while keeping correct
7364 alignment. Remove code that supported MEMs wrapped by USEs.
7365 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7367 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7369 * config/s390/s390.md ("Y", "y"): New mode attribute.
7370 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7371 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7372 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7373 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7374 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7375 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7376 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7377 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7378 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7379 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7380 "addsi3", "subsi3"): Insn patterns removed.
7381 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7382 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7383 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7384 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7385 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7386 "*sub<mode>3_cconly2"): New insn patterns.
7387 ("addsi3", "subsi3"): New expanders.
7389 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7391 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7392 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7393 existing STMT_VINFO_VECTYPE if available.
7394 (vect_mark_relevant): Add special handling for stmts that are
7395 marked as STMT_VINFO_IN_PATTERN_P.
7396 (vect_analyze_loop): Call vect_pattern_recog.
7397 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7398 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7400 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7401 (vect_recog_func_ptr): New function-pointer type.
7402 * tree-vect-patterns.c: New file.
7403 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7404 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7405 (vect_pattern_recog_1): New functions.
7406 (vect_pattern_recog_funcs): New array of function pointers.
7408 * tree-vectorizer.h (ternary_op): New enum value.
7409 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7410 declaration. Revised documentation. Removed redundant dump prints.
7411 Removed redundant argument. Added support for reduction patterns.
7412 (vectorizable_reduction): Added support for reduction patterns.
7413 (vect_transform_stmt): Added support for patterns.
7415 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7416 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7417 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7418 (expand_widen_pattern_expr): New function.
7419 (init_optabs): Initialize new optabs udot_prod_optab,
7421 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7422 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7423 (expand_widen_pattern_expr): New function declaration.
7424 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7426 * tree-inline.c (estimate_num_insns_1): Added cases for new
7427 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7428 * tree-pretty-print.c (dump_generic_node): Likewise.
7429 (op_prio): Likewise.
7430 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7431 * tree-ssa-operands.c (get_expr_operands): Added case for
7433 * tree-vect-patterns.c (widened_name_p): New function.
7434 (vect_recog_dot_prod_pattern): Added function implementation.
7435 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7436 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7437 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7438 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7440 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7441 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7442 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7443 (init_optabs): Initialize new optabs widen_ssum_optab,
7445 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7446 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7447 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7448 use instead of type of def.
7449 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7450 function implementation.
7451 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7452 widen_ssumv8hi): New.
7454 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7457 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7460 * c-decl.c (add_flexible_array_elts_to_size): New function.
7461 (finish_decl): Use it.
7463 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7465 * diagnostic.h: Include options.h.
7466 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7467 dependancies for diagnostic.h.
7468 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7470 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7472 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7473 (ssa_ro_call_cache_valid): Ditto.
7474 * tree-ssa-alias.c (sort_tags_by_id): New function.
7475 (init_transitive_clobber_worklist): Ditto.
7476 (add_to_worklist): Ditto.
7477 (mark_aliases_call_clobbered): Ditto.
7478 (compute_tag_properties): Ditto.
7479 (set_initial_properties): Ditto.
7480 (compute_call_clobbered): Ditto.
7481 (compute_may_aliases): Call compute_call_clobbered and grouping.
7482 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7483 (compute_flow_insensitive_aliasing): Grouping now happens in our
7485 (setup_pointers_and_addressables): Remove clobbering related code.
7486 (add_may_alias): Ditto.
7487 (replace_may_alias): Ditto.
7488 (get_nmt_for): Ditto.
7489 (create_global_var):
7490 (is_escape_site): Return an escape_type enumeration.
7491 * tree-flow-inline.h (is_call_clobbered): Global var does not
7492 imply call clobbered.
7493 (mark_call_clobbered): Take a reason for marking this. Remove
7494 marking of globalness, and cache invalidation.
7495 (clear_call_clobbered): Remove cache invalidation code.
7496 * tree-dfa.c (dump_variable): If details is on, dump the reason
7498 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7500 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7501 (struct var_ann_d): Ditto.
7502 (enum escape_type): New.
7503 (mark_call_clobbered): Adjust prototype.
7504 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7505 are never call clobbered.
7506 Record reasons for escaping.
7507 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7508 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7509 (ssa_ro_call_cache_valid): Ditto.
7510 (clobbered_v_may_defs): Ditto.
7511 (clobbered_vuses): Ditto.
7512 (ro_call_vuses): Ditto.
7513 (clobber_stats): New.
7514 (init_ssa_operands): Zero out clobber stats.
7515 (fini_ssa_operands): Print out clobber stats.
7516 (get_call_expr_operands): Pass callee fndecl to
7518 (add_call_clobber_ops): Remove use of cache.
7519 Add use of PURE_CONST information.
7520 (add_call_read_ops): Remove use of cache.
7521 Add use of static not_read information.
7523 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7525 Introduce TLS descriptors for i386 and x86_64.
7526 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7527 (TARGET_ANY_GNU_TLS): New macro.
7528 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7529 (struct machine_function): Add tls_descriptor_call_expanded_p.
7530 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7531 (ix86_current_function_calls_tls_descriptor): Likewise.
7532 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7533 (override_options): Introduce gnu2 tls dialect.
7534 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7536 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7538 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7539 (ix86_init_machine_status): Initialize new field.
7540 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7541 (ix86_tls_module_base): New.
7542 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7543 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7544 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7545 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7546 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7547 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7548 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7549 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7550 * config/i386/predicates.md (tls_modbase_operand): New.
7551 (tp_or_register_operand): New.
7553 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7555 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7556 (look_for_address_of): Ditto.
7557 (ipa_init): Walk the function decls.
7558 (static_execute): Don't set readonly on FUNCTION_DECL's.
7560 2006-01-18 Roger Sayle <roger@eyesopen.com>
7562 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7563 for shifts where the source and destination registers are different.
7565 2006-01-18 Paul Brook <paul@codesourcery.com>
7567 Merge from csl-arm-branch.
7568 2005-03-14 Julian Brown <julian@codesourcery.com>
7569 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7570 (aeabi_llsl): Likewise.
7571 (ashrdi3): Likewise.
7572 (aeabi_lasr): Likewise.
7573 (lshrdi3): Likewise.
7574 (aeabi_llsr): Likewise.
7575 2005-03-10 Julian Brown <julian@codesourcery.com>
7576 * config.gcc: Disable shared libgcc for SymbianOS.
7577 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7579 2006-01-18 DJ Delorie <dj@redhat.com>
7581 * c-pragma.c (handle_pragma_diagnostic): New.
7582 (init_pragma): Register it.
7583 * doc/extend.texi: Document it.
7585 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7586 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7587 (diagnostic_context): Add classify_diagnostic[].
7588 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7589 as errors if they're overridden to DK_WARNING.
7590 (diagnostic_initialize): Initialize classify_diagnostic[].
7591 (diagnostic_set_kind_override): New.
7592 (diagnostic_report_diagnostic): Check for kind changes.
7593 * opts.c (common_handle_option): Take lang_mask. Update callers.
7595 * common.opt (Werror=): New.
7596 * doc/invoke.texi: Document -Werror=*
7598 2006-01-18 Jeff Law <law@redhat.com>
7600 * tree-vrp.c (test_for_singularity): Correct test for new
7601 min limit. Use operand_equal_p rather than pointer equality
7602 for testing if new min/max values are equal.
7604 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7605 using range information until after propagation and folding.
7607 2006-01-18 Richard Henderson <rth@redhat.com>
7608 Aldy Hernandez <aldyh@redhat.com>
7609 Jakub Jelinek <jakub@redhat.com>
7610 Diego Novillo <dnovillo@redhat.com>
7612 * omp-low.c: New file.
7613 * c-omp.c: New file.
7615 2006-01-18 Richard Henderson <rth@redhat.com>
7616 Jakub Jelinek <jakub@redhat.com>
7617 Diego Novillo <dnovillo@redhat.com>
7619 * doc/invoke.texi: Document -fopenmp.
7620 * tree-dump.h (debug_function): Declare.
7621 * hooks.c (hook_bool_tree_bool_false): New function.
7622 (hook_tree_tree_null): Remove.
7623 (hook_tree_tree_tree_null): New.
7624 * hooks.h: Update to match.
7625 * tree-pretty-print.c (debug_tree_chain): New.
7626 (print_generic_expr): Handle TDF_CHAIN.
7627 (dump_generic_node): Handle BLOCK.
7628 Do not abort with incomplete SWITCH_EXPRs.
7629 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7630 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7631 print space after directive name.
7632 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7633 Handle OMP_MASTER and OMP_ORDERED.
7634 Handle printing of OMP_BODY just in one place, goto
7635 dump_omp_body in the rest of OMP_* nodes that have
7637 Don't handle clause nodes here. Update omp statements to
7638 use dump_omp_clauses.
7639 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7640 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7641 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7642 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7643 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7644 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7645 Adjust output for GOMP_PARALLEL.
7646 (dump_omp_clauses): New.
7647 (print_declaration): Dump DECL_VALUE_EXPR.
7648 (op_symbol_1): Split out of op_symbol.
7649 (dumping_stmts): Remove. Update all users.
7650 * cgraph.c (cgraph_analyze_queue): New.
7651 (cgraph_add_new_function): New.
7652 * cgraph.h (cgraph_analyze_queue): Declare.
7653 (cgraph_add_new_function): Declare.
7654 (cgraph_lower_function): Remove.
7655 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7656 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7657 and TYPE_P nodes in its default clause.
7658 (empty_body_p): New.
7659 (tree_range_check_failed): New.
7661 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7662 OMP_CLAUSE_REDUCTION_MERGE,
7663 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7664 OMP_CLAUSE_PRIVATE_DEBUG,
7665 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7666 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7667 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7668 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7669 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7670 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7671 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7672 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7673 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7674 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7675 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7676 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7677 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7678 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7679 (TREE_RANGE_CHECK): New.
7680 (empty_body_p): Declare.
7681 (enum omp_clause_default_kind): New.
7682 (build_string_literal): Declare.
7683 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7684 (build5_stat, build5): Declare.
7685 * tree-pass.h (TDF_CHAIN): Define.
7686 * tree-pass.h (PROP_gimple_lomp): Define.
7687 (pass_lower_omp): Declare.
7688 * diagnostic.h (debug_tree_chain): Declare.
7689 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7691 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7692 * builtins.c (build_string_literal): Make extern.
7693 * gcc.c (include_spec_function): New.
7694 (static_spec_functions): Add it.
7695 (main): Move load of libgomp.spec ...
7696 (LINK_COMMAND_SPEC): ... here.
7697 (link_gomp_spec): New.
7698 (static_specs): Include it.
7699 (LINK_COMMAND_SPEC): Add link_gomp.
7700 (GOMP_SELF_SPECS): New.
7701 (driver_self_specs): Include it.
7702 (switch_matches): Don't mark inline.
7703 (main): Load libgomp.spec.
7704 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7705 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7706 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7707 * tree-gimple.h (enum omp_parallel): Declare.
7708 (determine_parallel_type): Declare.
7709 (omp_firstprivatize_variable): Declare.
7710 (omp_reduction_init): Declare.
7711 (diagnose_omp_structured_block_errors): Declare.
7712 (struct walk_stmt_info): Add want_return_expr.
7713 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7714 (find_omp_clause): Declare.
7715 (insert_field_into_struct): Declare.
7716 (struct walk_stmt_info): Move from tree-nested.c
7717 (walk_stmts): Declare.
7718 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7720 * cgraphunit.c (cgraph_lower_function): Make static.
7721 (cgraph_finalize_pending_functions): New.
7722 (cgraph_finalize_function): Call it.
7723 (cgraph_finalize_compilation_unit): Likewise.
7724 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7725 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7726 (BT_FN_UINT_UINT): New.
7727 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7728 DEF_FUNCTION_TYPE_VAR_4): Document.
7729 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7730 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7731 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7732 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7733 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7734 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7735 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7736 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7737 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7738 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7739 into separate files.
7740 (DEF_GOMP_BUILTIN): New.
7741 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7742 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7743 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7744 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7745 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7746 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7747 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7748 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7749 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7750 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7751 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7752 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7753 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7754 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7755 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7756 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7757 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7758 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7759 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7760 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7761 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7762 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7763 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7764 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7765 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7766 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7767 * sync-builtins.def: New file, moved from builtins.def.
7768 * omp-builtins.def: New file, moved from builtins.def.
7769 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7770 * gimple-low.c (lower_function_body): Clear data.
7771 (lower_stmt): Do not handle COMPOUND_EXPR.
7772 Remove call to print_node_brief.
7773 * c-tree.h (c_finish_omp_clauses): New prototype.
7774 (C_DECL_THREADPRIVATE_P): Define.
7775 (lookup_name_no_remap, c_omp_remap_private): Remove
7776 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7777 (check_for_loop_decls): Update decl.
7778 (lookup_name_no_remap, c_omp_remap_private): Declare.
7779 (build_indirect_ref, build_modify_expr, pushdecl,
7780 pushdecl_top_level): Move to c-common.h.
7781 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7782 before the switch, but just in the 2 places that need it.
7783 * c-decl.c (diagnose_mismatched_decls): Do not check for
7784 mismatched thread-local attributes when OLDDECL is marked
7785 threadprivate and NEWDECL has no thread-local attributes.
7786 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7787 (c_gimple_diagnostics_recursively): Rename from
7788 c_warn_unused_result_recursively. Invoke
7789 diagnose_omp_structured_block_errors.
7790 (check_for_loop_decls): Return a singular decl found.
7791 * langhooks.c (lhd_omp_predetermined_sharing): Return
7792 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7793 (lhd_omp_firstprivatize_type_sizes): New.
7794 (lhd_omp_assignment): New.
7795 (lhd_omp_predetermined_sharing): New.
7796 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7797 (struct lang_hooks_for_types): Add
7798 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7799 omp_predetermined_sharing, omp_disregard_value_expr,
7800 omp_private_debug_clause, omp_clause_default_ctor,
7801 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7802 (c_finish_omp_clauses): New.
7803 (c_finish_bc_stmt): Diagnose break within omp for.
7804 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7805 (build_unary_op): Return error_mark after reporting
7807 (build_modify_expr): Likewise.
7808 * gimplify.c: Include optabs.h and pointer-set.h.
7809 (enum gimplify_omp_var_data): Declare.
7810 (struct gimplify_omp_ctx): Declare.
7811 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7813 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7814 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7815 (splay_tree_compare_decl_uid): New.
7816 (new_omp_context): New.
7817 (delete_omp_context): New.
7818 (gimple_add_tmp_var): Call omp_add_variable.
7819 (gimplify_bind_expr): Likewise.
7820 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7821 true, disregard DECL_VALUE_EXPR on the decl if any.
7822 (gimplify_expr_in_ctx): New.
7823 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7824 omp_add_variable, omp_notice_variable, omp_is_private
7825 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7826 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7827 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7828 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7829 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7830 gimplify_omp_atomic): New.
7831 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7832 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7833 OMP_CRITICAL and OMP_ATOMIC.
7834 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7835 * c-pragma.h (enum pragma_kind): Add
7836 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7837 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7838 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7839 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7840 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7841 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7842 PRAGMA_OMP_THREADPRIVATE.
7843 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7844 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7845 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7846 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7847 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7848 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7849 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7850 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7851 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7852 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7853 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7854 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7855 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7857 (struct nesting_info): Add field_map,
7858 suppress_expansion, debug_var_chain.
7859 (create_nesting_tree): Initialize them.
7860 (lookup_field_for_decl): Use field_map.
7861 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7862 (convert_local_omp_clauses): New.
7863 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7864 (walk_body): Split out of walk_function.
7865 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7866 (convert_nonlocal_reference): Handle omp statements.
7867 (convert_local_reference): Likewise.
7868 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7869 (unnest_nesting_tree): New.
7870 (lower_nested_functions): Call it.
7871 (insert_field_into_struct): Make extern.
7872 (struct walk_stmt_info): Move to tree-gimple.h.
7873 (walk_stmts): Make extern.
7874 * omp-builtins.def: New file.
7875 * tree-iterator.c (expr_only): Clarify comment.
7876 * c-common.h (pushdecl_top_level, pushdecl,
7877 build_modify_expr, build_indirect_ref,
7878 c_finish_omp_master, c_finish_omp_critical,
7879 c_finish_omp_ordered, c_finish_omp_barrier,
7880 c_finish_omp_atomic, c_finish_omp_flush,
7881 c_finish_omp_for, c_split_parallel_clauses,
7882 omp_clause_default_kind, c_omp_sharing_predetermined,
7883 c_omp_remap_decl): Declare.
7884 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7885 (OBJS-common): Add omp-low.o.
7886 (c-omp.o, omp-low.o): Add.
7887 (gimplify.o): Add dependency on $(OPTABS_H).
7888 (GTFILES): Add omp-low.c.
7889 (gt-stringpool.h): Add.
7890 * tree-cfg.c (set_bb_for_stmt): Do not update the
7891 block-to-labels map if we are currently expanding to RTL.
7892 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7894 Handle IDENTIFIER_NODE.
7895 (tree_verify_flow_info): Do not ICE when emitting error
7896 messages about invalid labels.
7897 (dump_function_to_file): Reset CFUN before emitting the body
7899 (debug_function): New.
7900 * passes.c (init_optimization_passes): Schedule
7902 * langhooks-def.h (lhd_omp_predetermined_sharing,
7903 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7905 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7906 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7907 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7908 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7909 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7910 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7911 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7912 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7913 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7914 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7915 (LANG_HOOK_DECLS): Use them.
7917 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7918 Richard Henderson <rth@redhat.com>
7919 Jakub Jelinek <jakub@redhat.com>
7920 Diego Novillo <dnovillo@redhat.com>
7922 * c-parser.c (pragma_omp_clause): Define.
7923 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7924 (c_parser_compound_statement): Likewise.
7925 (c_parser_statement): Likewise.
7926 (c_parser_pragma): Handle omp pragmas.
7927 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7928 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7929 (c_parser_omp_clause_name, check_no_duplicate_clause,
7930 c_parser_omp_variable_list,
7931 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7932 c_parser_omp_clause_copyprivate,
7933 c_parser_omp_clause_default,
7934 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7935 c_parser_omp_clause_lastprivate,
7936 c_parser_omp_clause_nowait,
7937 c_parser_omp_clause_num_threads,
7938 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7939 c_parser_omp_clause_reduction,
7940 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7941 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7942 c_parser_omp_atomic, c_parser_omp_barrier,
7943 c_parser_omp_critical, c_parser_omp_flush,
7944 c_parser_omp_for_loop, c_parser_omp_for,
7945 c_parser_omp_master, c_parser_omp_ordered,
7946 c_parser_omp_sections_scope, c_parser_omp_sections,
7947 c_parser_omp_parallel, c_parser_omp_single,
7948 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7949 * c-pragma.c (init_pragma): Do omp pragma registration here.
7950 * c.opt (fopenmp): New flag.
7952 2006-01-18 Eric Christopher <echristo@apple.com>
7954 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7955 * config/darwin.h (GOMP_SELF_SPECS): Define.
7957 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7959 * rtl.h: Remove the prototype for reg_alloc.
7961 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7964 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7965 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7966 sjlj and dwarf2 exception handling.
7967 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7968 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7969 * pa/pa.c (function_value): Treat complex and vector types as
7971 (function_arg): Likewise. Only pass scalar floats in the floating
7972 point argument registers.
7973 * pa/t-slibgcc-dwarf-ver: New file.
7974 * pa/t-slibgcc-sjlj-ver: New file.
7975 * pa/t-slibgcc-elf-ver: Delete file.
7977 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7979 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7980 unlikely_test_section_p test.
7982 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7984 * mode-switching.c (optimize_mode_switching): Make it static.
7985 * basic-block.h: Remove the prototype for
7986 optimize_mode_switching.
7988 * modulo-sched.c (sms_schedule): Make it static.
7989 * rtl.h: Remove the prototype for sms_schedule.
7991 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7992 * rtl.h: Remove the prototype for gcse_after_reload_main.
7994 * reg-stack.c (reg_to_stack): Make it static.
7995 * rtl.h: Remove the prototype for reg_to_stack.
7997 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7999 * rtl.h: Remove the prototypes for regrename_optimize and
8000 copyprop_hardreg_forward.
8002 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8004 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8005 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8006 Test against the appropriate null constant for the mode.
8007 If 'fixup_overlap' is true, swap the operands if they overlap.
8008 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8009 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8010 alpha_split_tmode_pair and adjust for above change.
8011 * config/alpha/alpha.md (movtf_internal): Adjust call to
8012 alpha_split_tfmode_pair and rely on it to swap the operands.
8013 (movti_internal): New insn and post-reload splitter.
8014 (movti): New expander.
8016 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8018 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8021 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8023 * rtlanal.c (global_reg_mentioned_p_1,
8024 global_reg_mentioned_p): Remove.
8025 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8027 * flow.c (initialize_uninitialized_subregs): Make it static.
8028 * rtl.h: Remove the prototype for
8029 initialize_uninitialized_subregs.
8031 * function.c (instantiate_virtual_regs): Make it static.
8032 * function.h: Remove the prototype for
8033 instantiate_virtual_regs.
8035 * regmove.c (regmove_optimize, combine_stack_adjustments):
8037 * rtl.h: Remove the prototypes for regmove_optimize and
8038 combine_stack_adjustments.
8040 2006-01-17 Roger Sayle <roger@eyesopen.com>
8042 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8043 (size_cost): Encode costs in bytes so that a reg-reg addition is
8044 equivalent to COSTS_N_INSNS(1).
8045 (override_options): Use the size_cost.branch_cost as the default
8046 ix86_branch_cost when optimizing for size.
8048 2006-01-18 Ben Elliston <bje@au.ibm.com>
8050 * Makefile.in (D32PBIT_FUNCS): New.
8051 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8052 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8053 D64PBIT_FUNCS and D128PBIT_FUNCS.
8054 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8055 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8057 (decnumber_dep): Define.
8058 * doc/libgcc.texi (Decimal float library routines): New node.
8059 * config/dfp-bit.h, config/dfp-bit.c: New files.
8061 2006-01-18 Ben Elliston <bje@au.ibm.com>
8063 * expr.c (emit_move_change_mode): Always adjust addresses, not
8064 just during reload. Copy replacements only during reload.
8065 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8066 emit_move_via_integer.
8068 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8070 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8071 instead of $(srcdir) and ${srcdir}.
8073 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8077 * arm.h (struct machine_function): Add pic_reg.
8078 * arm.c (arm_pic_register): Make unsigned.
8079 (arm_override_options): Only set arm_pic_register if
8080 TARGET_SINGLE_PIC_BASE.
8081 (use_return_insn): Only test for a pic register if it is fixed.
8082 (arm_compute_save_reg0_reg12_mask): Likewise.
8083 (thumb_compute_save_reg_mask): Likewise.
8084 (legitimate_pic_operand): Factor out some known invariants.
8085 (legitimize_pic_address): If we don't have a fixed pic register,
8086 then set up a pseudo in the function entry sequence. Handle the
8087 pic base being in a pseudo.
8088 (arm_load_pic_register): Handle the pic register being in a pseudo.
8089 (arm_expand_prologue): Only set up the pic register if it is fixed.
8090 (thumb_expand_prologue): Likewise.
8091 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8092 (pic_load_addr_based_insn): Likewise.
8093 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8096 2006-01-18 Ben Elliston <bje@au.ibm.com>
8098 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8099 decimal float modes for all floating point registers.
8101 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8102 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8104 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8107 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8108 even when the pointer is not NULL.
8110 2006-01-16 Ian Lance Taylor <ian@airs.com>
8112 * common.opt (ftoplevel-reorder): New option.
8113 * cgraph.c (cgraph_asm_nodes): New global variable.
8114 (cgraph_asm_last_node): New static variable.
8115 (cgraph_order): New global variable.
8116 (cgraph_create_node): Set new order field.
8117 (cgraph_varpool_node): Likewise.
8118 (decide_is_variable_needed): Return true if not
8119 flag_toplevel_reorder.
8120 (cgraph_add_asm_node): New function.
8121 * cgraph.h (struct cgraph_node): Add order field.
8122 (struct cgraph_varpool_node): Add order field.
8123 (struct cgraph_asm_node): Define.
8124 (cgraph_asm_nodes, cgraph_order): Declare.
8125 (cgraph_add_asm_node): Declare.
8126 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8128 (cgraph_varpool_assemble_pending_decls): Call it.
8129 (cgraph_output_pending_asms): New static function.
8130 (cgraph_finalize_compilation_unit): Call it.
8131 (struct cgraph_order_sort): Define.
8132 (cgraph_output_in_order): New static function.
8133 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8134 !flag_toplevel_reorder case.
8135 * c-parser.c: Include "cgraph.h".
8136 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8138 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8139 than -fno-unit-at-a-time.
8140 * doc/invoke.texi (Option Summary): Mention
8141 -fno-toplevel-reorder.
8142 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8143 -funit-at-a-time documentation.
8145 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8146 Kazu Hirata <kazu@codesourcery.com>
8148 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8150 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8152 * Makefile.in (FUNCTION_H): New. Use it instead of
8153 function.h throughout the file.
8154 * function.h: Include tree.h.
8156 2006-01-17 Ben Elliston <bje@au.ibm.com>
8158 * recog.c: Separate some functions with whitespace.
8160 2006-01-16 Richard Henderson <rth@redhat.com>
8162 Merge from gomp branch:
8163 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8164 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8165 and rename from struct inline_data. Rename callee* to dst*;
8166 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8167 transform_new_cfg, transform_return_to_modify, and
8168 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8170 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8171 (copy_decl_for_dup): Remove.
8172 * tree-inline.c (struct inline_data): Move to header.
8173 (insert_decl_map): Export.
8174 (remap_decl): Update for member name changes. Use copy_decl hook.
8175 Allow for replacement to be a non-decl. Remove dead code.
8176 (remap_type_1): Check for existing mapping.
8177 (remap_type): Export.
8178 (remap_decls): Update for member name changes.
8179 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8180 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8181 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8182 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8183 (tree_function_versioning, build_duplicate_type): Likewise.
8184 (copy_body_r): Likewise. Export.
8185 (copy_decl_for_dup): Split into ...
8186 (copy_decl_for_dup_finish, copy_decl_to_var,
8187 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8188 (replace_ref_tree, inlining_p): Remove.
8190 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8192 * ifcvt.c (if_convert): Make it static.
8193 * rtl.h: Remove the prototype for if_convert.
8195 * local-alloc.c (local_alloc): Make it static.
8196 * rtl.h: Remove the prototype for local_alloc.
8198 * loop.c (loop_optimize): Make it static.
8199 * cfgloop.h: Remove the prototype for loop_optimize.
8202 2006-01-16 DJ Delorie <dj@redhat.com>
8204 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8207 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8209 * pa.md: Disparage copies between general and floating-point registers
8210 in 32-bit move patterns.
8212 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8215 * Makefile.in (check-%): Depend on site.exp instead of
8216 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8219 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8221 * global.c (global_alloc): Make it static.
8222 * rtl.h: Remove the prototype for global_alloc.
8224 2006-01-16 Richard Guenther <rguenther@suse.de>
8226 * tree-ssa-alias.c (struct used_part): Add write_only field.
8227 (get_or_create_used_part_for): Initialize it to true.
8228 (create_overlap_variables_for): Don't create structure variables
8229 for structures that only are written to.
8230 (find_used_portions): Handle MODIFY_EXPR to track whether a
8231 structure is only written to.
8233 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8235 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8237 * basic-block.h: Remove the prototype for
8238 partition_hot_cold_basic_blocks.
8240 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8242 * cppspec.c (lang_specific_spec_functions): Remove.
8243 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8244 * gcc.h (lang_specific_spec_functions): Remove.
8245 * gccspec.c (lang_specific_spec_functions): Remove.
8247 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8249 * combine.c (record_value_for_reg): Invalidate registers
8251 (record_dead_and_set_regs_1): Likewise, by passing them to
8252 record_value_for_reg.
8253 (record_dead_and_set_regs): Invalidate stores made by a
8254 call. We do not combine across a call, but we still
8255 relied on equivalences.
8257 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8259 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8260 vrp_int_const_binop returning non-constant nodes.
8262 2006-01-16 Paul Brook <paul@codesourcery.com>
8264 * config/m68k/m68k.c (output_move_const_into_data_reg):
8265 Output correct mnemonic for mvz and mvs.
8267 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8269 * rtl-factoring.c: Add sequence abstraction algorithm.
8270 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8271 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8273 (block_has_preserve_label): New function.
8274 * common.opt: Register new pass.
8275 * Makefile.in: Ditto.
8277 * timevar.def: Ditto.
8278 * tree-pass.h: Ditto.
8279 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8280 * rtl.h (make_jump_insn_raw): Add forward decl.
8281 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8283 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8284 Roger Sayle <roger@eyesopen.com>
8286 * fold-const.c (fold_minmax): New static function.
8287 (fold_binary) <MIN_EXPR>: Call it.
8288 <MAX_EXPR>: Likewise.
8289 * stor-layout.c (place_field): Use DECL_SIZE consistently
8290 in the computation of the new record size.
8292 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8294 * cse.c (cse_condition_code_reg): Make it static.
8295 * rtl.h: Remove the prototype for cse_condition_code_reg.
8297 * combine.c (combine_instructions): Make it static.
8298 * rtl.h: Remove the prototype for combine_instructions.
8300 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8303 * tree.c (get_file_function_name_long): Concatenate the first global
8304 object name with a string derived from the input filename of the object
8307 2006-01-16 Ben Elliston <bje@au.ibm.com>
8309 * config/i386/winnt-stubs.c: Update FSF address.
8310 * config/xtensa/ieee754-df.S: Ditto.
8311 * config/xtensa/ieee754-sf.S: Ditto.
8313 2006-01-14 Ian Lance Taylor <ian@airs.com>
8315 * ifcvt.c (noce_init_if_info): New static function, broken out of
8316 noce_process_if_block.
8317 (noce_process_if_block): Call noce_init_if_info.
8318 (check_cond_move_block): New static function.
8319 (cond_move_process_if_block): New static function.
8320 (process_if_block): Call cond_move_process_if_block.
8322 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8324 * cselib.c (hash_table): Rename to cselib_hash_table.
8325 (cselib_clear_table, discard_useless_values,
8326 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8327 cselib_init, cselib_finish): Adjust uses of hash_table.
8329 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8331 PR tree-optimization/25485
8332 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8333 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8334 is known to be false and true, respectively.
8336 2006-01-14 Richard Guenther <rguenther@suse.de>
8338 PR tree-optimization/22548
8339 PR tree-optimization/22555
8340 PR tree-optimization/22501
8341 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8342 * params.def (salias-max-array-elements): New parameter.
8343 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8344 * doc/invoke.texi (salias-max-array-elements): Document.
8345 * tree-flow-inline.h (var_can_have_subvars): We also handle
8347 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8349 * tree-ssa-structalias.c (params.h): Include.
8350 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8351 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8352 (get_constraint_for): For ADDR_EXPR operating on something
8353 containing an ARRAY_REF, add all subvars to the solution.
8354 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8355 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8356 for creating MUST_DEFs.
8357 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8359 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8361 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8363 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8364 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8365 number_of_iterations_le): New functions.
8366 (number_of_iterations_special): Removed.
8367 (number_of_iterations_exit): Do not use number_of_iterations_special.
8368 * tree.c (unsigned_type_for): Always return integer type.
8370 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8371 Richard Guenther <rguenther@suse.de>
8373 PR rtl-optimization/24257
8374 * gcse.c (find_moveable_store): Only consider a store movable
8375 when the SET_SRC of the insn can be assigned to a register.
8377 2006-01-14 Ian Lance Taylor <ian@airs.com>
8379 * tree.c (tree_not_class_check_failed): New function.
8380 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8381 (tree_not_class_check_failed): Declare.
8383 2006-01-13 Ian Lance Taylor <ian@airs.com>
8385 * reload1.c (do_output_reload): Add assertion rejecting a
8388 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8390 * combine.c (struct reg_stat): Add new fields truncation_label and
8392 (record_value_for_reg): Reset truncated_to_mode.
8393 (record_truncated_value): New function.
8394 (check_promoted_subreg): Call it. Rename to check_conversions.
8395 (combine_instructions): Rename check_promoted_subreg to
8397 (reg_truncated_to_mode): New function.
8398 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8399 (gen_lowpart_or_truncate): New function.
8400 (force_to_mode): Use it instead of gen_lowpart.
8402 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8404 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8405 VAR is a tag, not its type tag.
8407 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8409 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8410 alternatives to match style of other entries.
8411 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8413 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8415 PR tree-optimization/25771
8416 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8419 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8422 * tree-inline.c (declare_return_variable): If the return variable
8423 was marked as a non gimple complex, set the return slot variable
8424 to be a non gimple comple variable.
8426 2006-01-13 Richard Guenther <rguenther@suse.de>
8428 * builtins.c (expand_builtin_sincos): New function.
8429 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8431 (expand_builtin): Expand sincos using expand_builtin_sincos.
8433 2006-01-12 DJ Delorie <dj@redhat.com>
8435 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8436 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8437 so that constant shifts can be split.
8438 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8439 (m32c_valid_pointer_mode): Make static.
8440 (shift_gen_func_for): New.
8441 (m32c_prepare_shift): Use it. Split large const shifts into
8443 * config/m32c/predicates.md (shiftcount_operand): Allow more
8445 (longshiftcount_operand): New.
8446 * doc/md.texi (Machine Constraints): Document In6.
8448 2006-01-13 Ben Elliston <bje@au.ibm.com>
8450 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8451 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8454 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8456 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8457 to try to avoid clobbering pieces of structures when we know
8458 something about the whole structure.
8459 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8461 2006-01-13 Ben Elliston <bje@au.ibm.com>
8463 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8464 return in memory, as this is no limitation is no longer present.
8466 2006-01-12 DJ Delorie <dj@redhat.com>
8468 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8469 mova with fb, and for fb+0 -> An.
8471 * config/m32c/mov.md (peephole2): Fix enabling logic.
8473 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8474 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8475 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8476 FINI_ARRAY_SECTION_ASM_OP): Define.
8478 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8480 (m32c_legitimize_reload_address): New logic to reload FB to An.
8481 (m32c_output_reg_push): Add newline.
8482 (m32c_output_reg_pop): Likewise.
8484 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8486 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8488 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8490 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8492 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8494 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8497 2006-01-11 Ben Elliston <bje@au.ibm.com>
8499 * rtlanal.c (find_reg_note): Assert insn is not null.
8501 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8503 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8506 2006-01-11 Jeff Law <law@redhat.com>
8508 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8510 (mark_threaded_blocks, register_jump_thread): New functions.
8511 (thread_through_all_blocks): Remove unwanted argument. No
8512 longer rely on e->aux to communicate thread target info.
8513 Call mark_threaded_blocks. Release the threaded_blocks
8514 bitmap and threaded_edges vector when complete.
8515 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8516 (threaded_blocks): Remove.
8517 (tree_ssa_dominator_optimize): Remove initialization and
8518 finalization of threaded_blocks. Simplify call to
8519 thread_through_all_blocks.
8520 (thread_across_edge): Call register_jump_thread rather than
8521 storing thread information into e->aux.
8522 (free_all_edge_infos): Simplify now that e->aux is no longer
8523 used to communicate with thread_through_all_blocks.
8524 * tree-flow.h (thread_through_all_blocks): Update prototype.
8525 (register_jump_thread): Prototype.
8527 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8529 * df-core.c (df_compact_blocks, df_bb_replace): Use
8530 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8532 2006-01-11 Richard Guenther <rguenther@suse.de>
8534 PR tree-optimization/25734
8535 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8536 stop propagation after successful propagation to the LHS.
8538 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8540 * basic-block.h (control_flow_graph): Change the type of
8541 x_basic_block_info to VEC(basic_block,gc) *.
8542 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8544 (SET_BASIC_BLOCK): New.
8545 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8546 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8547 * cfgbuild.c (find_basic_blocks): Likewise.
8548 * cfglayout.c (fixup_reorder_chain): Likewise.
8549 * cfgrtl.c (create_basic_block_structure,
8550 rtl_create_basic_block): Likewise.
8551 * ifcvt.c (find_if_case_1): Likewise.
8552 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8555 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8557 * Makefile.in: Removed rotted odf.c entry.
8559 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8562 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8563 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8564 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8565 output pattern modifier, not %e.
8566 * config/cris/cris.c (cris_op_str): Update comment about pattern
8568 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8569 before falling through into...
8570 <case 'E'>: Redefined from old 'e' case.
8572 2006-01-11 Jan Hubicka <jh@suse.cz>
8575 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8577 2006-01-11 Jan Hubicka <jh@suse.cz>
8579 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8580 * i386.c (x86_decompose_lea): Kill.
8581 (ix86_rtx_costs): Kill.
8583 2006-01-11 Jan Hubicka <jh@suse.cz>
8585 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8586 * cgraph.h (cgraph_node): Add inline_decl.
8587 (cgraph_insert_node_to_hashtable): Declare.
8588 (save_inline_function_body): Declare.
8589 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8591 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8592 (cgraph_function_versioning): Update call of tree_function_versioning.
8593 (save_inline_function_body): New function.
8594 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8595 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8596 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8597 (cgraph_default_inline_p): Likewise.
8598 (cgraph_decide_inlining_incrementally): Likewise.
8599 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8600 (copy_bb): Kill saving; do updating of clones.
8601 (copy_cfg_body): Kill saving.
8602 (initialize_inlined-parameters): Likewise.
8603 (expand_call_inline): Likewise.
8605 (tree_function_versioning): New parameter "update_clones".
8606 (inlining_p): Kill saving.
8607 * tree-inline.h (tree_function_versioning): Update prototype.
8608 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8611 2006-01-11 Ian Lance Taylor <ian@airs.com>
8613 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8614 Allow undoing set of machine mode.
8615 (do_SUBST): Use enums instead of is_int.
8616 (do_SUBST_MODE): New function.
8617 (SUBST_MODE): New macro.
8618 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8619 reg and trying to replace reg_regno_rtx with a new register.
8620 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8621 (simplify_set): Use SUBST_MODE.
8622 (distribute_notes): Remove code that tried to update reg notes
8623 for regno_reg_rtx changes.
8625 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8627 PR tree-optimization/23109
8628 PR tree-optimization/23948
8629 PR tree-optimization/24123
8631 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8632 * tree-cfg.c (single_noncomplex_succ): New.
8633 * tree-flow.h (single_noncomplex_succ): Declare it.
8634 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8635 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8636 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8637 insert_bb, register_division_in, insert_reciprocals,
8638 replace_reciprocal, free_bb): New.
8639 (execute_cse_reciprocals_1): Rewritten.
8640 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8641 Do not commit any edge insertion. Always compute dominators and
8642 create the allocation pool.
8643 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8644 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8645 * targhooks.c (default_min_divistions_for_recip_mul): New.
8646 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8647 * passes.c (init_optimization_passes): Run recip after tree loop
8649 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8651 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8652 Kenneth Zadeck <zadeck@naturalbridge.com>
8654 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8655 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8656 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8657 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8658 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8659 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8660 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8661 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8662 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8663 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8664 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8665 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8666 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8667 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8668 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8669 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8670 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8671 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8672 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8673 DF_SCAN_POST_ALLOC): New macros.
8674 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8675 df_free_bb_function, df_local_compute_function, df_init_function,
8676 df_dataflow_function, df_confluence_function_0,
8677 df_confluence_function_n, df_transfer_function,
8678 df_finalizer_function, df_free_function, df_dump_problem_function,
8679 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8680 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8681 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8682 df_urec_bb_info, ) New types.
8683 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8685 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8686 df_analyze_simple_change_some_blocks,
8687 df_analyze_simple_change_one_block, df_compact_blocks,
8688 df_bb_replace, df_bb_regno_last_use_find,
8689 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8690 df_insn_regno_def_p, df_find_def, df_find_use,
8691 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8692 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8693 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8694 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8695 debug_df_chain, df_get_dependent_problem, df_chain_create,
8696 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8697 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8698 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8699 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8700 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8701 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8702 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8703 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8704 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8705 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8706 df_reorganize_refs, df_set_state, df_hard_reg_init,
8707 df_read_modify_subreg_p) New public functions.
8708 * df-core.c: The core dataflow solver and glue routines for rtl
8710 (df_init, df_add_problem, df_set_blocks, df_finish,
8711 df_hybrid_search_forward, df_hybrid_search_backward,
8712 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8713 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8714 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8715 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8716 df_reg_defined, df_find_use, df_reg_used, df_dump,
8717 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8718 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8719 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8720 debug_df_useno, reset_df_after_reload): New functions.
8721 * df-scan.c: The scanning fuctions, once in df.c, completely
8722 rewritten so that they now fully model the functionality of
8723 register usage at the backend.
8724 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8725 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8726 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8727 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8728 df_get_artificial_defs, df_get_artificial_uses,
8729 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8730 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8731 df_refs_delete, df_reorganize_refs, df_set_state,
8732 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8733 df_def_record_1, df_defs_record, df_uses_record,
8734 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8735 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8736 df_record_exit_block_uses, df_hard_reg_init): New functions.
8738 * df-problems.c: Seven concrete dataflow problems that use the
8739 scanning in df-scan.c and are solved by the engine in df-core.c.
8740 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8741 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8742 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8743 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8744 df_ru_free_bb_info, df_ru_alloc,
8745 df_ru_bb_local_compute_process_def,
8746 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8747 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8748 df_ru_transfer_function, df_ru_free, df_ru_dump,
8749 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8750 df_rd_free_bb_info, df_rd_alloc,
8751 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8752 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8753 df_rd_transfer_function, df_rd_free, df_rd_dump,
8754 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8755 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8756 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8757 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8758 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8759 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8760 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8761 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8762 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8763 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8764 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8765 df_urec_mark_reg_use_for_earlyclobber,
8766 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8767 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8768 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8769 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8770 df_chain_create_bb_process_use, df_chain_create_bb,
8771 df_chain_finalize, df_chain_free, df_chains_dump,
8772 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8773 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8774 df_reg_lifetime): New functions.
8775 * df.c: Deleted file.
8776 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8777 consistent with new df api.
8778 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8779 rest_of_handle_sms): Ditto.
8780 * web.c (unionfind_union, union_defs, entry_register, web_main):
8782 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8783 invariant_expr_equal_p, find_defs, check_dependencies,
8784 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8785 free_inv_motion_data, move_loop_invariants): Ditto.
8786 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8787 Update dependencies.
8788 (odf.c): Added defective entry that was deleted later in day.
8789 * sched-deps.c (sched_analyze_1): Ditto.
8791 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8793 * tree-ssa-operands.c (get_expr_operands): Record addressable
8794 variables directly. Do not call add_stmt_operands for CONST_DECLs
8796 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8797 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8799 2006-01-11 Ben Elliston <bje@au.ibm.com>
8801 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8802 function returns true in the positive case.
8804 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8807 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8808 for SI, DI, SF and DF modes. Add alternatives to copy between
8809 general and floating point registers to the 32-bit patterns.
8810 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8811 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8812 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8813 generating 64-bit code.
8814 * config/pa/pa.c (output_move_double): Handle copies between general
8815 and floating registers.
8817 2006-01-10 Stuart Hastings <stuart@apple.com>
8819 * config/i386/i386.md (set_got): Update.
8820 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8821 (builtin_setjmp_receiver): Mach-O support.
8822 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8823 (GOT_SYMBOL_NAME): Define.
8824 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8825 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8826 * config/i386/i386.c (override_options): Revise for Darwin.
8827 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8828 support. (darwin_x86_file_end): New. (output_set_got): Add label
8829 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8830 * config/i386/i386-protos.h (output_set_got): Likewise.
8831 * config/darwin.c (machopic_legitimize_pic_address): Update
8834 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8836 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8837 when MODE isn't BLKmode.
8839 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8841 PR rtl-optimization/25367
8842 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8844 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8847 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8848 for a negative bound.
8850 2006-01-10 Richard Guenther <rguenther@suse.de>
8852 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8853 Never override with anything constraint.
8855 2006-01-10 Jan Beulich <jbeulich@novell.com>
8857 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8858 256 bits when optimize_size.
8860 2006-01-10 Jan Beulich <jbeulich@novell.com>
8862 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8864 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8865 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8868 2006-01-10 Ben Elliston <bje@au.ibm.com>
8870 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8872 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8873 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8874 (USE_FP_FOR_ARG): Reject decimal float modes.
8875 (function_arg_advance): Likewise.
8876 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8877 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8878 point types in AltiVec vectors.
8879 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8880 (rs6000_libcall_value): Likewise.
8882 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8884 * config/xtensa/ieee754-df.S: New file.
8885 * config/xtensa/ieee754-sf.S: New file.
8886 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8887 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8888 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8890 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8892 * config/sh/predicates.md (binary_float_operator,
8893 binary_logical_operator, commutative_float_operator,
8894 equality_comparison_operator, greater_comparison_operator,
8895 less_comparison_operator, logical_operator,
8896 noncommutative_float_operator, shift_operator,
8897 symbol_ref_operand, unary_float_operator): Remove redundant
8900 2006-01-09 Jeff Law <law@redhat.com>
8902 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8903 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8904 now unused arguments. Callers updated.
8905 (eliminate_redundant_computations): Remove now unused arguments,
8907 (local_fold): Remove, no longer used.
8908 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8910 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8911 (simplify_cond): New function.
8912 (forward_propagate_into_cond): Call simplify_cond.
8914 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8916 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8917 (*vec_extractv2di_1_sse): New.
8919 2006-01-09 Ben Elliston <bje@au.ibm.com>
8921 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8923 2006-01-08 Richard Guenther <rguenther@suse.de>
8925 * tree-ssa-structalias.c (get_constraint_for): Remove
8927 (get_constraint_for_component_ref): Likewise.
8928 (do_deref): Likewise.
8929 (get_constraint_for): Likewise.
8930 (do_structure_copy): Likewise.
8931 (handle_ptr_arith): Likewise.
8932 (find_func_aliases): Likewise. Remove unused need_anyoffset
8935 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8936 Kaz Kojima <kkojima@gcc.gnu.org>
8938 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8939 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8940 (EXTRA_CONSTRAINT_C16): Remove.
8941 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8942 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8943 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8944 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8945 constants of SHmedia. Handle nested constant expressions of
8947 (andcosts): Fix the costs for SHmedia constants.
8948 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8949 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8950 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8951 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8952 (movv4hi_i, movv2si_i): Likewise.
8953 (movsi_const): Adjust the second operand of ior so to match with
8955 (movdi_const, movdi_const_32bit): Likewise.
8956 (movdi_const_16bit+1): Don't sign-extend LOW.
8957 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8959 (*double_shori): Fix the split condition. Use GEN_INT instead
8960 of get_int_mode calls. Mask lower 16-bit of the argument of
8962 (sym2GOTPLT): Remove.
8963 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8965 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8966 instead of EXTRA_CONSTRAINT_C16.
8968 2006-01-07 Ian Lance Taylor <ian@airs.com>
8969 David Edelsohn <edelsohn@gnu.org>
8971 PR rtl-optimization/25662
8972 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8973 for constant operands instead of simplify_gen_binary.
8974 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8975 after trying simplify_binary_operation
8977 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8979 * tree.c (iterative_hash_expr): Hash decls based on UID.
8981 2006-01-06 Eric Christopher <echristo@apple.com>
8983 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8984 (TARGET_UNWIND_EMIT): Fix spelling.
8985 * target.h (gcc_target): Add except_table_label.
8986 * except.c (output_function_exception_table): Use.
8987 * varasm.c (default_emit_except_table_label): New.
8988 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8990 (asm_out): Add here.
8991 * output.h (default_emit_except_table_label): Prototype.
8992 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8993 * config/darwin.c (darwin_emit_except_table_label): Define.
8994 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8996 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8998 PR tree-optimization/18527
8999 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9000 number_of_iterations_special, number_of_iterations_exit):
9001 Move base and step of an iv to a single structure. Add
9002 no_overflow flag, and use it in # of iterations analysis.
9003 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9004 folded_casts argument.
9005 (simple_iv): Pass base and step in a structure. Set no_overflow
9007 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9008 Evaluate expensiveness of computing # of iterations instead of
9009 the final expression.
9010 * tree-scalar-evolution.h (affine_iv): New structure.
9011 (simple_iv): Declaration changed.
9012 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9013 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9014 find_givs_in_stmt): Changed due to simple_iv change.
9016 2006-01-06 Jeff Law <law@redhat.com>
9019 * tree-cfg.c (bsi_replace): Rename final argument from
9020 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9021 change (stmt -> orig_stmt).
9022 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9023 (bsi_remove): Add new argument. Remove EH information
9025 (verify_eh_throw_table_statements): New function.
9026 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9028 * tree-optimize.c (execute_free_cfg_annotations): Verify
9029 the EH throw statement table after removing annotations.
9030 * except.h (verify_eh_throw_table_statements): Prototype.
9031 * tree-flow.h (bsi_remove): Update prototype.
9032 * tree-vrp.c (remove_range_assertions): Add new argument to
9034 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9035 * tree-complex.c (expand_complex_div_wide): Likewise.
9036 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9037 * tree-tailcall.c (eliminate_tailcall): Likewise.
9038 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9039 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9040 * tree-nrv.c (tree_nrv): Likewise.
9041 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9042 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9043 (combine_blocks): Likewise.
9044 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9045 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9046 (cleanup_control_flow): Likewise.
9047 (remove_forwarder_block): Likewise.
9048 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9049 * tree-sra.c (sra_replace): Likewise.
9050 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9051 (forward_propagate_single_use_vars): Likewise.
9052 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9053 * tree-inline.c (expand_call_inline): Likewise.
9054 * tree-vect-transform.c (vect_transform_loop): Likewise.
9055 * tree-outof-ssa.c (rewrite_trees): Likewise.
9056 * tree-cfg.c (make_goto_expr_edges): Likewise.
9057 (cleanup_dead_labels): Likewise.
9058 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9059 (bsi_move_before, bsi_move_after): Likewise.
9060 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9061 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9063 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9066 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9068 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9069 on non gimple variables. Also add checks at the top for decls and
9071 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9073 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9074 and IMAGPART_EXPR for creating MUST_DEFs.
9075 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9076 and NAME_MEMORY_TAG separately from the DECLs.
9078 2006-01-06 Richard Guenther <rguenther@suse.de>
9080 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9081 annotation, if necessary.
9082 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9083 redundant calls to update_stmt.
9084 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9087 2006-01-05 Richard Henderson <rth@redhat.com>
9089 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9091 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9093 * c-typeck.c: Update copyright date.
9095 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9097 * c-typeck.c (build_c_cast): Always warn when casting
9098 from a pointer to an integer of different size, even if
9099 the node was constant.
9101 2006-01-05 Richard Guenther <rguenther@suse.de>
9103 PR tree-optimization/22555
9104 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9105 if one structure field is an array.
9106 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9107 operands even if we found a subvar, but ignore VOPs in this
9109 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9111 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9113 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9116 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9118 2006-01-05 Richard Guenther <rguenther@suse.de>
9119 Diego Novillo <dnovillo@redhat.com>
9121 * tree-pass.h (TODO_remove_unused_locals): Define.
9122 * gimple-low.c (expand_var_p, remove_useless_vars,
9123 pass_remove_useless_vars): Remove. Update all users.
9124 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9125 (remove_unused_locals): New function.
9126 * tree-flow.h (remove_unused_locals): Declare.
9127 * passes.c (execute_todo): Call remove_unused_locals if
9128 TODO_remove_unused_locals is set.
9129 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9130 * tree-ssa-dce.c (pass_dce): Likewise.
9131 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9133 2006-01-05 Richard Guenther <rguenther@suse.de>
9135 * tree-flow.h (struct fieldoff): Decompose field to
9136 type, size and decl.
9137 * tree-ssa-alias.c (create_sft): Take type as parameter.
9138 (create_overlap_variables_for): Store type, size and decl
9139 in the fieldoff structure.
9140 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9142 (push_fields_onto_fieldstack): Likewise.
9143 (create_variable_info_for): Likewise. Use offset for the
9144 SFT name if the decl is not available.
9146 2006-01-04 Paul Brook <paul@codesourcery.com>
9148 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9150 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9152 * lambda-code.c (can_put_in_inner_loop): Relax
9154 (can_put_after_inner_loop): New function.
9155 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9156 (perfect_nestify): Change to make copies and modify uses.
9158 2006-01-04 Richard Henderson <rth@redhat.com>
9160 Merge from gomp branch:
9161 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9162 via integer constant.
9163 (pragma_lex): Remove.
9164 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9165 rather than parsing it.
9166 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9167 handle_pragma_extern_prefix): Add %< %> quotes.
9168 (registered_pragmas): New.
9169 (c_register_pragma_1): New.
9170 (c_register_pragma): Use it.
9171 (c_register_pragma_with_expansion): Likewise.
9172 (c_invoke_pragma_handler): New.
9173 (init_pragma): Use cpp_register_deferred_pragma directly for
9175 * c-pragma.h (enum pragma_kind): New.
9176 (pragma_handler): New.
9177 (c_invoke_pragma_handler): Declare.
9178 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9180 * c-common.h (c_common_pch_pragma): Update decl.
9181 * Makefile.in (c-parser.o): Update dependencies.
9182 (GTFILES): Add c-pragma.h.
9183 * c-parser.c (struct c_token): Add pragma_kind.
9184 (struct c_parser): Add in_pragma.
9185 (c_lex_one_token): Always initialize keyword and pragma_kind.
9186 Extract data for CPP_PRAGMA.
9187 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9188 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9189 Don't allow CPP_PRAGMA_EOL if in_pragma.
9190 (c_parser_consume_pragma): New.
9191 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9192 (c_parser_skip_to_end_of_parameter): Likewise.
9193 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9194 (c_parser_skip_to_pragma_eol): New.
9195 (c_parser_external_declaration): Handle CPP_PRAGMA.
9196 (c_parser_compound_statement_nostart): Likewise.
9197 (c_parser_statement_after_labels): Likewise.
9198 (c_parser_pragma): New.
9199 (pragma_lex): Likewise.
9200 (c_parser_pragma_pch_preprocess): New.
9201 (c_parser_new): Merge into ...
9202 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9204 2006-01-04 Jeff Law <law@redhat.com>
9207 * tree-cfg.c (bsi_replace): Remove the original statement
9208 from the EH throw statement table.
9210 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9212 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9213 make the prototype extern "C" and add throw ().
9216 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9217 and pos non-negative and pos + len <= 32.
9218 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9219 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9220 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9223 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9224 as well as sizes not multiple of component size.
9227 * function.c (instantiate_expr): New function.
9228 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9229 walk its DECL_VALUE_EXPR with instantiate_expr.
9231 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9232 DW_OP_deref{,_size} if address isn't going to be added.
9234 2006-01-04 Ben Elliston <bje@au.ibm.com>
9236 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9237 * config/fp-bit.c: Likewise.
9239 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9241 * dominance.c: Add comment about why we use DFS numbering
9244 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9245 Richard Henderson <rth@redhat.com>
9247 Merge from gomp-branch:
9248 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9249 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9251 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9253 PR rtl-optimization/25578
9254 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9255 pass a parameter to simplify_shift_const if changing ASHIFTRT
9258 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9260 * builtins.c (get_builtin_sync_mem): New function.
9261 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9262 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9263 Call get_builtin_sync_mem to generate mem rtx.
9265 2006-01-03 Richard Guenther <rguenther@suse.de>
9268 * stmt.c (add_case_node): Make sure to clear overflow flags
9271 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9273 Merge from gomp-branch.
9274 * config/sparc/sync.md: New file.
9275 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9276 UNSPECV_LDSTUB): New constants.
9277 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9278 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9279 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9282 2006-01-03 Roger Sayle <roger@eyesopen.com>
9284 * combine.c (reg_subword_p): New predicate to test whether the
9285 destination of a set refers to a subword/piece of a register.
9286 (try_combine): Generalize the code to merge the setting of a
9287 pseudo to a constant followed by a set of a subword of that
9288 register to a constant.
9290 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9292 * basic-block.h (control_flow_graph): Change the type of
9293 x_label_to_block_map to VEC(basic_block,gc) *.
9294 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9295 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9297 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9298 VEC(basic_block,heap) *.
9299 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9300 ssa_prop_fini): Adjust the uses of cfg_blocks.
9302 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9304 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9306 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9307 hashing trees instead of a pointer hash.
9308 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9309 compare for MEM_EXPR.
9311 PR rtl-optimization/25130
9312 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9313 when comparing MEMs for GCSE
9315 2006-01-03 Ben Elliston <bje@au.ibm.com>
9317 * targhooks.h (default_decimal_float_supported_p): Declare.
9318 * targhooks.c (default_decimal_float_supported_p): Define.
9319 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9320 `default_decimal_float_supported_p'.
9321 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9323 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9325 * combine.c (apply_distributive_law <SUBREG>): Check
9326 TRULY_NOOP_TRUNCATION.
9328 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9330 * dwarf2out.c (have_switched_text_section): Delete.
9331 (have_multiple_function_sections): New.
9332 (have_location_lists): Make 'bool'.
9333 (add_AT_loc_list): Use 'true' not '1'.
9334 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9335 (output_loc_list): Use have_multiple_function_sections.
9336 (output_ranges): Likewise.
9337 (dwarf2out_begin_function): Set have_multiple_function_sections if
9339 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9340 Check function_section rather than DECL_SECTION_NAME.
9341 (dwarf2out_finish): Use have_multiple_function_sections.
9342 Don't clear have_location_lists.
9344 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9345 Jan Hubicka <jh@suse.cz>
9347 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9348 case of conditional jump jumping to the next instruction.
9349 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9350 cases of conditional jump jumping to the next instruction.
9352 2006-01-02 Jan Hubicka <jh@suse.cz>
9354 * i386.c (*_cost): Add COSTS_N_INSNS.
9355 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9357 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9360 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9362 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9364 * config/arm/arm.c (all_fpus): Fix comment typo.
9365 * config/darwin.c: Likewise.
9366 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9367 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9368 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9370 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9372 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9373 (rs6000_split_compare_and_swapqhi): New.
9374 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9375 (sync_compare_and_swapqhi_internal): New.
9376 * config/rs6000/rs6000-protos.h: Declare.
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