1 2006-04-13 Alan Modra <amodra@bigpond.net.au>
4 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5 optimize to lo_sum for DFmode if !TARGET_FPRS.
7 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10 delete_alias_info, compute_flow_sensitive_aliasing,
11 group_aliases): Use VEC instead of VARRAY.
12 * tree-ssa-structalias.c (update_alias_info): Likewise.
13 * tree-ssa-structalias.h (alias_info): Change the type of
14 processed_ptrs to VEC(tree,heap) *.
16 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
19 * config/sh/lib1funcs.h: New file, broken out of:
20 * config/sh/lib1funcs.asm.
21 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
23 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
24 * config/sh/lib1funcs-Os-4-200.asm: New file.
25 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
26 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
27 (EXTRA_MULTILIB_PARTS): Include it.
28 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
29 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
30 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
31 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
34 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
36 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
37 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
38 tpa_compact, root_var_init, type_var_init): Use VEC instead of
40 * tree-ssa-live.h: Include vecprim.h.
41 (tree_partition_associator_d): Change the type of
42 first_partition to VEC(int,heap) *.
43 (tpa_first_partition): Use VEC instead of VARRAY.
45 * Makefile.in (GTFILES): Move functions.h after tree.h.
46 * function.c (reset_block_changes, record_block_change,
47 check_block_change, free_block_changes): Use VEC instead of
49 * function.h (function): Change the type of
50 ib_boundaries_block to VEC(tree,gc) *.
51 * tree-inline.c (copy_cfg_body): Initialize
52 ib_boundaries_block to NULL instead of (varray_type) 0.
54 2006-04-12 Roger Sayle <roger@eyesopen.com>
56 * expr.c (emit_group_store): Correct operand order in call to
57 subreg_lowpart_offset. Always create paradoxical SUBREGs with
58 a SUBREG_BYTE of zero.
60 2006-04-12 Richard Guenther <rguenther@suse.de>
62 * profile.c (compute_branch_probabilities): Remove code
63 encapsulated in !ir_type (), which are remanents of the
64 removed RTL profiling code.
65 * rtl-profile.c: Remove.
67 2006-04-12 Alan Modra <amodra@bigpond.net.au>
69 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
70 magic NULL_RTX comment.
71 (function_arg): Store entire fp arg to mem if any part should go
73 (rs6000_arg_partial_bytes): Adjust for above change.
75 2006-04-11 Roger Sayle <roger@eyesopen.com>
77 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
78 if it hasn't been initialized by dwarf2out_init.
80 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
82 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
83 symbolic constants in branch patterns.
85 2006-04-11 Roger Sayle <roger@eyesopen.com>
87 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
89 2006-04-11 Richard Sandiford <richard@codesourcery.com>
91 PR rtl-optimization/27073
92 * gcse.c (try_replace_reg): Revert last change. Continue to search
93 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
96 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
98 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
99 aggregate types other than record and union types.
100 (function_arg): Likewise.
101 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
103 (function_value): In 64-bit mode, return objects that require it
106 2006-04-11 Roger Sayle <roger@eyesopen.com>
108 * dwarf2out.c (premark_used_types): Remove problematic prototype.
110 2006-04-11 Jakub Jelinek <jakub@redhat.com>
112 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
114 2006-04-03 Jeff Law <law@redhat.com>
117 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
118 alias information too.
120 2006-04-10 Mike Frysinger <vapier@gentoo.org>
122 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
124 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
127 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
128 (premark_used_types_helper): New.
129 (premark_used_types): New.
130 (gen_subprogram_die): Call premark_used_types.
131 (prune_unused_types_walk): Do not prune perennial dies.
132 * function.c (used_types_insert): New.
133 * function.h (struct function): Add used_types_hash field.
134 (used_types_insert): Add prototype.
135 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
136 * c-parser.c (c_parser_cast_expression): Save casted types in used
139 2006-04-11 Mark Mitchell <mark@codesourcery.com>
142 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
143 rs6000_explicit_options.float_gprs.
145 2006-04-10 Roger Sayle <roger@eyesopen.com>
147 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
148 from ix86_expand_vector_init_low_nonzero. Take an additional
149 one_var argument indicating which element is non-zero. Support
150 one_var != 0 for V4SFmode and V4SImode by permuting the result.
151 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
152 with one_var instead of ix86_expand_vector_init_low_nonzero.
154 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
156 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
157 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
158 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
159 build/genextract.o): Depend on vecprim.h.
160 * cfglayout.c, df-problems.c, function.c, genextract.c,
161 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
162 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
166 2006-04-10 Geoffrey Keating <geoffk@apple.com>
168 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
169 Declare VECs of this type.
170 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
171 (remove_children): Delete.
172 (add_dwarf_attr): Use VEC routines.
173 (add_AT_flag): Update for changes to add_dwarf_attr.
174 (add_AT_int): Likewise.
175 (add_AT_unsigned): Likewise.
176 (add_AT_long_long): Likewise.
177 (add_AT_vec): Likewise.
178 (add_AT_string): Likewise.
179 (add_AT_die_ref): Likewise.
180 (add_AT_fde_ref): Likewise.
181 (add_AT_loc): Likewise.
182 (add_AT_loc_list): Likewise.
183 (add_AT_addr): Likewise.
184 (add_AT_lbl_id): Likewise.
185 (add_AT_lineptr): Likewise.
186 (add_AT_macptr): Likewise.
187 (add_AT_offset): Likewise.
188 (add_AT_range_list): Likewise.
189 (get_AT): Use VEC_iterate.
190 (remove_AT): Use VEC_ordered_remove.
191 (free_die): Fold remove_children into here; have it use VEC_iterate.
192 (print_die): Use VEC_iterate on attrs.
193 (reverse_die_lists): Don't reverse attr lists.
194 (die_checksum): Use VEC_iterate on attrs.
195 (same_die_p): Likewise.
196 (output_location_lists): Likewise.
197 (build_abbrev_table): Likewise.
198 (size_of_die): Likewise.
199 (unmark_all_dies): Likewise.
200 (output_abbrev_section): Likewise.
201 (output_die): Likewise.
202 (prune_unused_types_walk_attribs): Likewise.
204 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
206 * doc/install.texi (*-*-solaris2*): Point to the configure page.
208 2006-04-10 Jakub Jelinek <jakub@redhat.com>
211 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
213 2006-04-09 Roger Sayle <roger@eyesopen.com>
215 * expr.c (store_constructor): Don't bother clearing target if
216 we're about to assign a vector to it using vec_init_optab.
218 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
220 * tree-ssa-alias.c (lhs_may_store_to): New function.
221 (recalculate_used_alone): Handle LHS of calls.
223 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
227 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
228 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
229 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
230 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
231 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
232 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
233 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
234 stubs. Add ".align 8" directives before all ".dword" directives.
235 (GTHREAD_USE_WEAK): Revise comment.
236 (TARGET_ATTRIBUTE_WEAK): Define.
237 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
238 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
239 * stublib.c: New file.
244 * pa.md (cbranch patterns): Revise arguments used in calls to
245 output_cbranch, output_bb and output_bvd. Add long branch length
247 (fbranch patterns): Handle long branches.
248 (jump): Revise length check. Revise arguments for output_lbranch call.
249 Add long branch length attributes.
250 (decrement_and_branch_until_zero): Add long branch length attributes.
251 (output_movb, output_parallel_addb and output_parallel_movb patterns):
252 Likewise. Revise arguments for output_parallel_addb and
253 output_parallel_movb calls.
254 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
255 output_parallel_movb and output_parallel_addb): Update prototypes.
256 * pa.c (output_cbranch): Revise arguments. Correct handling of
257 nullification in long branches.
258 (output_lbranch): Add new argument to control extraction of delay
260 (output_bb): Handle long branches.
261 (output_bvb, output_dbra, output_movb, output_parallel_movb,
262 output_parallel_addb): Likewise.
264 2006-04-09 Richard Sandiford <richard@codesourcery.com>
266 PR rtl-optimization/27073
267 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
270 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
272 * tree.h (tree_memory_tag): Add old_used_alone.
273 (SMT_OLD_USED_ALONE): New macro.
274 * tree-ssa-alias.c (recalculate_used_alone): Stop
275 marking things for renaming unnecessarily.
277 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
279 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
280 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
281 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
282 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
283 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
284 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
285 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
286 spelling convensions.
287 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
288 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
289 typos. Follow spelling conventions.
291 2006-04-07 DJ Delorie <dj@redhat.com>
293 * config/m32c/m32c.c (m32c_function_arg): Structures are always
295 (m32c_init_cumulative_args): When a function returns a structure,
296 always pass the pointer to that return area on the stack.
297 (m32c_function_arg_advance): Don't increment the parameter number
298 if we're processing the returned structure pointer.
299 (pushm_info): Reverse order of registers.
301 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
303 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
304 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
305 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
306 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
308 * tree-chrec.c (chrec_fold_multiply_poly_poly,
309 chrec_fold_multiply): Same.
310 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
311 force_expr_to_var_cost): Same.
312 * tree-mudflap.c (mf_xform_derefs_1): Same.
313 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
315 2006-04-07 David Edelsohn <edelsohn@gnu.org>
317 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
318 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
321 2006-04-07 Jan Hubicka <jh@suse.cz>
323 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
325 2006-04-07 Richard Guenther <rguenther@suse.de>
327 PR tree-optimization/26135
328 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
329 loads for store copy-prop.
330 (copy_prop_visit_stmt): Likewise.
332 2006-04-05 Robert Millan <robertmh@gnu.org>
334 * gcc/config/i386/linux.h: Add a comment to mark macros that are
335 being overriden in config/k*bsd-gnu.h.
336 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
338 * gcc/config/knetbsd-gnu.h: Ditto.
340 2006-04-06 Jan Hubicka <jh@suse.cz>
344 * coverage.c (coverage_checksum_string): Reorganize loop to not read
347 2006-04-06 Mike Stump <mrs@apple.com>
349 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
350 for HAVE_nonlocal_goto to be consistent.
351 (expand_builtin_nonlocal_goto): Likewise.
352 (expand_builtin_strcmp): Use #ifdef instead of #if
353 for HAVE_cmpstrnsi to be consistent.
355 2006-04-05 DJ Delorie <dj@redhat.com>
357 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
360 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
362 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
363 got-relative addressing for anything but SImode.
365 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
366 even if the calling function doesn't modify them.
368 2006-04-05 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/26919
371 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
372 to cgraph_estimate_size_after_inlining.
374 2006-04-05 Alan Modra <amodra@bigpond.net.au>
376 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
378 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
380 PR tree-optimization/26996
381 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
382 VECTOR_TYPE variables.
384 2006-04-05 Richard Guenther <rguenther@suse.de>
386 PR tree-optimization/26763
387 * fold-const.c (fold_comparison): Move folding of
388 PTR + CST CMP PTR + CST ...
389 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
391 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
393 * doc/install.texi (Prerequisites): Refine some wording on
394 bootstrapping and ksh.
395 Move the version numbers of DejaGnu here from the testing section
396 and fix casing of names.
397 Fix markup and clarify wording for autogen requirements.
398 Refer to GCJ instead of just java.
399 Refer to SVN instead of CVS.
400 Describe diffutils as useful instead of necessary.
401 (Downloading the source): Refer to SVN instead of CVS.
402 Adjust a link to our web site accordingly.
403 (Configuration): Fix casing of Bison.
404 (Building): Refer to SVN instead of CVS.
405 Fix a sentence on the use of Bison and remove duplicate (and
406 incorrect) version number of Bison requirement.
407 Remove one redundant list of packages needed for building.
408 (Specific): Avoid reference to CVS.
410 2006-04-04 Eric Christopher <echristo@apple.com>
412 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
413 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
414 (rs6000_handle_struct_attribute): New.
415 (rs6000_ms_bitfield_layout_p): Ditto.
417 2006-04-04 Geoffrey Keating <geoffk@apple.com>
419 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
420 NULL for dso parameter to atexit_common.
422 2006-04-04 Eric Christopher <echristo@apple.com>
424 * config/i386/i386.c (machopic_output_stub): Output \t
425 between instructions and operands.
427 2006-04-04 David Edelsohn <edelsohn@gnu.org>
429 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
430 satisfies_constraint_[IL] to explicit tests on value.
432 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
434 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
435 set_nb_iterations_in_loop): Use build_int_cst instead of
437 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
438 build_int_cst instead of convert.
440 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
442 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
443 new value 2 for incoming.
444 * function.c (expand_function_start): Call struct_value_rtx
446 * config/sparc/sparc.md: Comment updated_return.
447 * config/sparc/sparc.opt: Add -mstd-struct-return option.
448 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
449 struct return if sparc_std_struct_return and incoming is 2.
450 (print_operand): Do not adjust return if
451 sparc_std_struct_return.
453 2006-04-04 Roger Sayle <roger@eyesopen.com>
455 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
456 convert in the middle-end.
457 * expr.c (store_expr, store_constructor, get_inner_reference,
458 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
460 * tree.c (build_range_type): Likewise.
462 2006-04-04 Tom Tromey <tromey@redhat.com>
464 * doc/install.texi (Prerequisites): Mention jar.
466 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
468 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
471 2006-04-04 Matthias Klose <doko@debian.org>
473 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
475 2006-04-03 Geoffrey Keating <geoffk@apple.com>
477 * doc/extend.texi (Function Attributes): Rewrite visibility
478 attribute documentation.
479 * doc/invoke.texi (C++ Dialect Options): Rewrite
480 -fvisibility-inlines-hidden documentation to describe something
481 entirely different, although in practise compatible.
482 (Code Gen Options): Warn about system headers in -fvisibiltity=
485 * doc/extend.texi (Other Builtins): Document that
486 __builtin_nan is a compile-time constant only when its argument
489 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
491 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
492 trying to remove TRUNCATE check if all bits outside the new mode
493 are identical to the sign bit.
495 2006-04-03 Jeff Law <law@redhat.com>
497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
498 and operand scanning in some common cases.
500 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
501 Dale Johannesen <dalej@apple.com>
504 * regclass.c (struct reg_pref): Update documentation.
505 (regclass): Set prefclass to NO_REGS if memory is the best option.
506 (record_reg_classes): Cope with a prefclass set to NO_REGS.
507 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
508 into account. For non-registers, equate an empty preferred
509 reload class to a `!' in the constraint; move the if clause to
510 do so after those that reject the insn.
511 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
513 (find_dummy_reload): Likewise.
514 * doc/tm.texi (Register Classes): Document what it means
515 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
516 * config/i386/i386.c (ix86_preferred_reload_class): Force
517 using SSE registers (and return NO_REGS for floating-point
518 constants) if math is done with SSE.
519 (ix86_preferred_output_reload_class): New.
520 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
521 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
522 * config/i386/i386.md: Remove # register preferences.
524 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
527 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
528 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
530 (instantiate_parameters_1): Convert the operands before calling
531 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
532 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
534 2006-04-02 Roger Sayle <roger@eyesopen.com>
536 * builtins.c (dummy_object): Use build_int_cst instead of convert.
537 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
539 * dojump.c (do_jump): Likewise.
540 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
541 * gimplify.c (gimple_boolify, gimplify_init_constructor,
542 gimplify_boolean_expr): Likewise.
543 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
544 * varasm.c (array_size_for_constructor): Likewise.
545 * tree-object-size.c (compute_object_offset): Likewise.
547 2006-04-02 Roger Sayle <roger@eyesopen.com>
550 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
551 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
553 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
555 PR tree-optimization/26939
556 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
558 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
560 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
561 at_stmt. Convert the type of operands before calling
562 build_polynomial_chrec.
563 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
565 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
566 (instantiate_parameters_1): Convert the type of operands before calling
567 build_polynomial_chrec.
568 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
569 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
570 reset_evolution_in_loop): Insert asserts to check the types of the
572 (chrec_type): Moved...
573 (eq_evolutions_p): Use operand_equal_p.
574 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
575 the types of the operands.
576 (chrec_type): ...here.
577 * tree-data-ref.c (create_data_ref): Convert the operands before
578 calling chrec_replace_initial_condition.
579 (same_access_functions, analyze_subscript_affine_affine,
580 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
581 (compute_subscript_distance, analyze_ziv_subscript,
582 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
583 analyze_miv_subscript): Convert the operands before calling
584 chrec_fold_minus or chrec_fold_plus.
586 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
588 * tree-data-ref.c (compute_all_dependences): Use a pointer to
589 the dependence_relations vector.
590 (compute_data_dependences_for_loop): Adjust call to
591 compute_all_dependences.
593 2006-04-01 Roger Sayle <roger@eyesopen.com>
594 Richard Henderson <rth@redhat.com>
596 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
597 gimple_boolify on the condition before calling gimplify_expr.
599 2006-03-31 Bob Wilson <bob.wilson@acm.org>
601 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
602 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
603 the frame size. Update to use the new macros.
604 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
605 * config/xtensa/ieee754-df.S: Likewise.
607 2006-03-31 Richard Henderson <rth@redhat.com>
609 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
610 (make_edges): ... here. Control fallthru creation with a local
611 variable. Do not play with fake edges.
612 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
613 (make_goto_expr_edges): Don't play with fake edges. Make for_call
616 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
618 * dwarf2.h (DW64_CIE_ID): Define.
619 * dwarf2out.c (DWARF_CIE_ID): Define.
620 (output_call_frame_info): Output 0xffffffff before standard 8-byte
621 length header. Use DWARF_CIE_ID.
622 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
623 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
625 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
627 * config/sh/linux-atomic.asm: New file.
628 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
630 2006-03-31 DJ Delorie <dj@redhat.com>
632 * config/m32c/cond.md: Set condition flags properly throughout.
633 * config/m32c/minmax.md: Likewise.
634 * config/m32c/prologue.md: Likewise.
635 * config/m32c/bitops.md: Likewise.
636 * config/m32c/muldiv.md: Likewise.
637 * config/m32c/mov.md: Likewise.
638 * config/m32c/addsub.md: Likewise.
639 * config/m32c/m32c.md: Likewise.
640 * config/m32c/jump.md: Likewise.
641 * config/m32c/shift.md: Likewise.
643 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
644 conditionally output the pattern for this.
645 * config/m32c/m32c.c (flags_needed_for_conditional): New.
646 (m32c_compare_redundant): New.
647 (m32c_output_compare): New.
648 * config/m32c/m32c-protos.h (m32c_output_compare): New.
650 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
651 dest, not src. Allow other 4-byte modes.
653 2006-03-30 Denis Chertykov <denisc@overta.ru>
655 * doc/md.texi: Refer to avr/constraints.md instead of
658 2006-03-30 Roger Sayle <roger@eyesopen.com>
660 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
661 signed vs. unsigned comparison failures on some hosts.
663 2006-03-31 Alan Modra <amodra@bigpond.net.au>
666 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
667 change to FLOAT_REGS.
669 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
670 (rs6000_override_options): Use it.
671 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
672 only for -mabi=spe/no-spe and -mabi=altivec.
674 2006-03-30 Geoffrey Keating <geoffk@apple.com>
676 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
679 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
681 * Makefile.in: Rename docdir to gcc_docdir.
683 2006-03-30 Roger Sayle <roger@eyesopen.com>
686 * expr.c (emit_group_store): Optimize group stores into a pseudo
687 register by using a paradoxical subreg to initialize the destination
688 if the first or last member of the group specifies a "low part".
690 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
693 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
694 * target.h (struct gcc_target.speculate_insn): Change type of the
695 second parameter to 'int'.
696 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
697 the second operand of the DEPS_LIST.
698 (copy_DEPS_LIST_list): Update reference to the second operand of the
700 * rtl.h (alloc_DEPS_LIST): Update signature.
701 * sched-int.h (ds_t): Change typedef to 'int'.
702 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
704 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
706 * haifa-sched.c (try_ready): Change condition to restore
707 non-speculative pattern of the instruction.
708 (process_insn_depend_be_in_spec): Code to keep probability of the
709 speculative dependence non-decreasing.
711 2006-03-30 Jie Zhang <jie.zhang@analog.com>
713 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
714 (single_move_for_movmem): ... this. Also change all uses.
715 (bfin_expand_strmov): Renamed to...
716 (bfin_expand_movmem): ... this. Also change all uses.
717 * config/bfin/bfin.md (movstrsi): Renamed to...
720 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
722 PR tree-optimization/26830
724 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
725 (copy_prop_visit_stmt): Remove write-only variable ann.
726 (init_copy_prop): Check variable loop depth here. Do not simulate
727 memory-tag and virtual operand PHIs except for store copy prop.
729 2006-03-30 Richard Guenther <rguenther@suse.de>
731 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
732 variants with double arguments.
734 2006-03-29 David Edelsohn <edelsohn@gnu.org>
736 * genpreds.c (write_tm_constrs_h): Delete variable p.
737 * genconditions.c (write_header): Add tm-constrs.h to included
739 * genpeep.c (main): Add toplev.h to included headers.
740 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
741 (build/genpeep.o): Add toplev.h dependency.
742 * config/rs6000/constraints.md: Add "W" constraint.
744 2006-03-29 Roger Sayle <roger@eyesopen.com>
746 * stor-layout.c (mode_for_size_tree): Remove restiction on type
747 sizes by correctly testing whether the size fits a host integer.
748 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
749 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
750 SImode range for the default sizetype and bitsizetype.
752 2006-03-29 Roger Sayle <roger@eyesopen.com>
754 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
755 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
756 quickly if the argument is already of the correct type.
757 Call fold_build1 instead of build1. Tidy up blank lines.
759 2006-03-29 David Edelsohn <edelsohn@gnu.org>
761 * genemit.c (main): Add tm-constrs.h to included headers.
762 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
763 * genpeep.c (main): Add tm-constrs.h to included headers.
764 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
765 (write_tm_constrs_h): this and write complete file.
766 (write_tm_preds_h): Do not emit satisfies_constraint fns.
767 (write_insn_preds_c): Add tm-constrs.h to included headers.
768 (gen_constrs): New variable.
769 (parse_option): Parse "-c".
770 (main): Invoke write_tm_constrs_h.
771 * genrecog.c (write_header): Add tm-constrs.h to included headers.
772 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
773 (object_out_file): Add tm-constrs.h dependency.
775 (insn-output.o): Same.
777 (insn-preds.o): Same.
778 (insn-recog.o): Same.
779 (tm-constsr.h): New target.
780 (s-constrs-h): New target.
782 * config/rs6000/constraints.md: New file.
783 * config/rs6000/rs6000.c: Include tm-constrs.h.
784 (num_insn_constant_wide): Convert to satisfies_constraint.
785 (rs6000_rtx_costs): Convert to satisfies_constraint.
786 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
787 (CONST_OK_FOR_LETTER_P): Delete.
788 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
789 (EXTRA_CONSTRAINT): Delete.
790 (EXTRA_MEMORY_CONSTRAINT): Delete.
791 (EXTRA_ADDRESS_CONSTRAINT): Delete.
792 * config/rs6000/predicates.md: Convert to satisfies_constraint.
793 * config/rs6000/rs6000.md: Include constraints.md. Convert to
794 satisfies_constraint.
796 * config/i386/i386.c: Include tm-constrs.h.
798 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
800 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
801 * tree-data-ref.c (find_data_references_in_loop,
802 compute_data_dependences_for_loop): Use pointers to VEC.
803 (analyze_all_data_dependences): Adjust calls.
804 * tree-data-ref.h (find_data_references_in_loop,
805 compute_data_dependences_for_loop): Adjust declarations.
806 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
807 compute_data_dependences_for_loop.
809 2006-03-29 Paul Brook <paul@codesourcery.com>
811 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
814 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
816 PR tree-optimization/26859
817 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
819 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
820 for the step after fold_convert.
822 2006-03-29 Paul Brook <paul@codesourcery.com>
824 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
825 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
827 2006-03-29 Paul Brook <paul@codesourcery.com>
830 * targhooks.c (default_narrow_bitfield): New fuction.
831 * targhooks.h (default_narrow_bitfield): add prototype.
832 * target.h (gcc_target): Add narrow_volatile_bitfield.
833 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
834 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
835 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
836 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
838 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
840 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
842 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
843 (NR_C_MODES): Add TDmode, DDmode and SDmode.
844 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
845 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
846 (s390_function_arg_float): Allow SDmode and DDmode values to be
847 passed in floating point registers.
848 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
849 check with SCALAR_FLOAT_MODE_P.
850 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
852 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
854 PR tree-optimization/25985
855 * tree-ssa-loop-niter.c (number_of_iterations_le,
856 number_of_iterations_ne): Make comments more precise.
857 (number_of_iterations_cond): Add only_exit argument. Use the
858 fact that signed variables do not overflow only when only_exit
860 (loop_only_exit_p): New.
861 (number_of_iterations_exit): Pass result of loop_only_exit_p to
862 number_of_iterations_cond.
864 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
866 PR tree-optimization/26643
867 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
870 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
872 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
873 (divsi3_i4_int): Likewise.
875 2006-03-28 Roger Sayle <roger@eyesopen.com>
877 * expr.c (emit_group_store): Only create a new pseudo reg if the
878 quantity it needs to hold isn't already a suitable pseudo.
880 2006-03-28 Jeff Law <law@redhat.com>
882 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
883 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
885 2006-03-28 Roger Sayle <roger@eyesopen.com>
887 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
888 the equivalent ~X & Y, and the symmetry related transformations.
889 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
890 ~X & Y, and symmetry related transforms.
892 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
894 Revert my 2006-03-27 patches.
896 2006-03-28 Roger Sayle <roger@eyesopen.com>
898 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
899 ~(T1)X, when T1 and T2 are integer types of the same precision
900 and (T2)X isn't an extension.
902 2006-03-28 Jeff Law <law@redhat.com>
904 PR tree-optimization/26796
905 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
906 need EH edge cleanups rather than purging them immediately.
907 (eliminate_degenerate_phis): Handle queued EH cleanups.
909 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
911 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
914 2006-03-27 Roger Sayle <roger@eyesopen.com>
917 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
918 cast BIT_NOT_EXPR operand to the correct type.
920 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
922 * tree-loop-linear.c: Don't include varray.h.
923 (gather_interchange_stats, try_interchange_loops,
924 linear_transform_loops): Use VEC instead of VARRAY.
925 * lambda-mat.c: Don't include varray.h.
926 * tree-chrec.c: Same.
927 * lambda-trans.c: Same.
928 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
929 VEC instead of VARRAY.
930 * tree-vectorizer.h: Idem.
931 * tree-data-ref.c (dump_data_references,
932 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
933 initialize_data_dependence_relation, finalize_ddr_dependent,
934 compute_all_dependences, find_data_references_in_loop,
935 compute_data_dependences_for_loop, analyze_all_data_dependences,
936 free_dependence_relation, free_dependence_relations,
937 free_data_refs): Idem.
938 * tree-data-ref.h (data_reference_p, subscript_p): New.
939 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
940 VEC instead of VARRAY.
941 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
942 (find_data_references_in_loop, compute_data_dependences_for_loop,
943 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
944 dump_data_dependence_relations, free_dependence_relations,
945 free_data_refs): Adjust declaration.
946 (lambda_transform_legal_p): Move declaration here...
947 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
948 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
949 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
950 vect_analyze_data_refs): Use VEC instead of VARRAY.
951 * lambda.h (lambda_transform_legal_p): ...from here.
952 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
953 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
954 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
955 tree-chrec.o): Don't depend on VARRAY_H.
957 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
959 * rtl.def (Copyright): Update date.
960 (DEPS_LIST): Change type of the second operand to 'int'.
961 * target.h (Copyright): Update date.
962 (struct gcc_target.speculate_insn): Change type of the second parameter
964 * lists.c (Copyright): Update date.
965 (alloc_DEPS_LIST): Change signature. Update reference to the second
966 operand of the DEPS_LIST.
967 (copy_DEPS_LIST_list): Update reference to the second operand of the
969 * rtl.h (Copyright): Update date.
970 (alloc_DEPS_LIST): Update signature.
971 * sched-int.h (Copyright): Update date.
972 (ds_t): Change typedef to 'int'.
973 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
975 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
977 * haifa-sched.c (Copyright): Update date.
978 (try_ready): Change condition to restore non-speculative pattern
980 (process_insn_depend_be_in_spec): Code to keep probability of the
981 speculative dependence non-decreasing.
983 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
985 * regrename.c (replace_oldest_value_addr): Initialize a variable to
986 shut up the compiler.
988 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
990 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
991 to use lib prefix for target.
992 ($(T)libic_invalidate_array_4-200.a): Likewise.
993 ($(T)libic_invalidate_array_4a.a): Likewise.
995 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
996 J"orn Rennecke <joern.rennecke@st.com>
998 * superh.opt: New file.
999 * sh.c (boardtype, osruntime): Remove.
1000 * superh.h (SUBTARGET_OPTIONS): Remove.
1001 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1003 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1004 arguments with ^ and/or [].
1006 * config.gcc (sh-*-*): Add quoting to account for quirk of
1008 Replace == with = in enable_incomplete_targets test.
1010 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1011 with MASK_LITTLE_ENDIAN.
1013 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1014 * config/sh/sh.opt: Added to some comments.
1015 * config/sh/superh.h: Removed some chaff.
1017 * config/sh/sh.opt: Add m4-[1234]00* options.
1018 * config/sh/sh.c (sh_handle_option): Likewise.
1019 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1020 (ic_invalidate_array_4-100.o): New rule.
1021 ($(T)libic_invalidate_array_4-100.a): Likewise.
1022 (ic_invalidate_array_4-200.o): Likewise.
1023 ($(T)libic_invalidate_array_4-200.a): Likewise.
1024 (ic_invalidate_array_4a.o): Likewise.
1025 ($(T)libic_invalidate_array_4a.a): Likewise.
1026 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1027 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1029 * config/sh/crt1.asm: Merged in profiling code.
1030 * config/sh/superh.h (STARTFILE_SPEC): Override.
1031 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1032 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1033 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1035 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1036 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1037 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1039 * sh.opt (mpretend-cmove): New option.
1040 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1041 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1042 (movsicc): Add TARGET_PRETEND_CMOVE code.
1044 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1046 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1047 s390_class_max_nregs): New function prototypes.
1048 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1049 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1050 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1051 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1053 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1055 * dwarf2out.c (add_location_or_const_value_attribute): Call
1056 tree_add_const_value_attribute if nothing else works.
1057 (reference_to_unused): New.
1058 (rtl_for_decl_init): Use reference_to_unused to decide whether
1059 to output an initializer.
1061 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1064 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1065 peephole removing spe frob_di_df_2.
1067 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1069 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1070 (subscript_dependence_tester_1): Declared.
1071 (print_dir_vectors, print_dist_vectors): New.
1072 (debug_data_dependence_relation): New.
1073 (dump_data_dependence_relation): Print more details.
1074 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1075 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1076 (save_dist_v, save_dir_v, add_outer_distances,
1077 build_classic_dist_vector_1): New.
1078 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1079 Don't test for lambda_vector_lexico_pos.
1080 (same_access_functions, add_multivariate_self_dist,
1081 add_other_self_distances, dir_from_dist): New.
1082 (build_classic_dir_vector): Replace implementation almost identical to
1083 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1085 (subscript_dependence_tester_1): New.
1086 (subscript_dependence_tester): Handle the lexicographically negative
1087 distance vectors by recomputing the dependence relation.
1088 (compute_affine_dependence): Remove parameter loop_nest_depth.
1089 (compute_self_dependence): Don't call compute_subscript_distance.
1090 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1091 Add a parameter for the loop_nest.
1092 (find_loop_nest_1, find_loop_nest): New.
1093 (compute_data_dependences_for_loop): Compute the loop nest, and give
1094 up if the nest is not well formed.
1095 * tree-data-ref.h (loop_p): New.
1096 (struct data_dependence_relation): Replace size_vect field with
1097 loop_nest, a vec of loops.
1098 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1099 (DDR_LOOP_NEST): New.
1100 (print_dir_vectors, print_dist_vectors,
1101 debug_data_dependence_relation): Declared.
1102 (index_in_loop_nest): New.
1103 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1104 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1107 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1109 * simplify-rtx.c (simplify_relational_operation): Call
1110 simplify_relational_operation_1 even if mode is VOIDmode.
1112 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1114 PR tree-optimization/26804
1115 * tree.h (DECL_CALL_CLOBBERED): New macro.
1116 (tree_decl_common): Add call_clobbered_flag.
1117 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1118 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1119 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1120 (mark_non_addressable): Ditto.
1121 * tree-ssa.c (verify_call_clobbered): New function.
1122 (verify_alias_info): Use it.
1123 * tree-pass.h (pass_reset_cc_flags): New prototype.
1124 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1125 (reset_cc_flags): New function.
1126 * passes.c (init_optimization_passes): Call reset_cc_flags after
1127 initializing referenced_vars.
1129 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1130 Roger Sayle <roger@eyesopen.com>
1133 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1134 to 1.0 for non-real operands. Implement A / A optimization for
1137 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1139 * config/i386/i386.c (size_cost): Correct the comment for
1140 cost of storing fp registers.
1141 (i386_cost): Likewise.
1142 (i486_cost): Likewise.
1143 (pentium_cost): Likewise.
1144 (pentiumpro_cost): Likewise.
1145 (k6_cost): Likewise.
1146 (athlon_cost): Likewise.
1147 (k8_cost): Likewise.
1148 (pentium4_cost): Likewise.
1149 (nocona_cost): Likewise.
1150 (generic64_cost): Likewise.
1151 (generic32_cost): Likewise.
1153 2006-03-24 Denis Chertykov <denisc@overta.ru>
1155 * config/avr/avr-protos.h (extra_constraint): Delete.
1156 (extra_constraint_Q): New declaration.
1157 * config/avr/constraints.md: New file.
1158 * config/avr/avr.md: Include it.
1159 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1160 (TMP_REGNO, ZERO_REGNO): Likewise.
1161 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1162 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1163 (extra_constraint): Delete.
1164 (extra_constraint_Q): Test for memory constraint 'Q'.
1165 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1166 (REG_CLASS_FROM_LETTER): Delete.
1167 (CONST_OK_FOR_LETTER_P): Delete.
1168 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1169 (EXTRA_CONSTRAINT): Delete.
1170 (TMP_REGNO): Delete.
1171 (ZERO_REGNO): Delete.
1173 2006-03-24 Jeff Law <law@redhat.com>
1175 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1176 directly. Call mark_new_vars_to_rename slightly earlier.
1178 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1180 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1182 (gen_compile_unit_die): Use new language types for Objective-C and
1184 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1185 DW_LANG_C_plus_plus.
1188 * config/t-darwin (crt3.o): Work around bug 26840.
1189 * config/darwin-crt3.c: Rewrite.
1190 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1192 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1194 * doc/invoke.texi: Document -femit-class-debug-always
1195 * common.opt: Add -femit-class-debug-always.
1197 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1199 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1200 index and base register.
1201 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1202 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1203 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1204 REGNO_OK_FOR_INDEX_P.
1205 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1207 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1208 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1209 REG_OK_FOR_BASE_P): Definitions removed.
1211 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1214 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1215 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1216 set yet or weren't marked as local yet.
1218 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1220 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1223 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1225 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1226 (rs6000_legitimate_small_data_p): Delete.
1227 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1228 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1229 and make static. Add forward declaration. Update uses.
1230 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1231 of offsettable_memref_p.
1232 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1233 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1235 2006-03-24 Jeff Law <law@redhat.com>
1237 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1238 around bug in immediate-use iterator.
1240 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1243 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1244 or __LITTLE_ENDIAN__.
1246 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1248 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1249 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1250 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1251 * config/sh/sh.opt (mdiv=): Amend description.
1252 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1253 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1254 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1255 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1256 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1257 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1258 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1259 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1260 TARGET_DIVIDE_CALL_FP.
1262 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1264 * haifa-sched.c (choose_ready): Fix type of the local variable.
1265 Move local variables. Add comment.
1266 (check_reg_live): Change signature. Make callable from debugger.
1267 * sched-int.h (check_reg_live): Update signature.
1268 * sched-ebb.c (check_reg_live): Update parameters.
1269 * sched-rgn.c (check_reg_live): Ditto.
1270 (region_head_or_leaf_p): Check pointer before dereferencing.
1271 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1272 before reload on optimization levels below 1.
1274 2006-03-23 Richard Henderson <rth@redhat.com>
1276 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1280 * config/alpha/predicates.md (local_symbolic_operand): Reject
1283 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1286 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1287 expressions which have overflowed constants.
1289 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1291 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1293 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1295 * cfgloopmanip.c (create_loop_notes): Removed.
1296 * final.c (final_scan_insn): Do not handle loop notes.
1297 * jump.c (squeeze_notes): Ditto.
1298 * cfglayout.c (skip_insns_after_block,
1299 duplicate_insn_chain): Ditto.
1300 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1302 * cfgloop.h (create_loop_notes): Declaration removed.
1304 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1306 * varasm.c (output_constant_pool): Restore fnname and fndecl
1308 (assemble_start_function): Adjust call accordingly.
1309 (assemble_end_function): Likewise.
1311 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1314 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1317 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1319 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1322 * system.h (ICE_EXIT_CODE): New macro.
1323 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1324 (diagnostic_action_after_output): Likewise.
1325 * gcc.c (fatal_ice): New function.
1326 (execute): Use it instead of fatal.
1327 (fancy_abort): Likewise.
1328 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1330 2006-03-22 Jeff Law <law@redhat.com>
1332 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1333 iv_analyze_result returning false.
1335 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1337 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1339 2006-03-22 Richard Henderson <rth@redhat.com>
1342 * except.c (duplicate_eh_regions_0): New.
1343 (duplicate_eh_region_1): Duplicate the children of the node as
1344 well as the node itself. Link them up properly.
1345 (duplicate_eh_region_2): Merge into ...
1346 (duplicate_eh_regions): ... here. Take copy_region argument, and
1347 copy only a sub-tree if asked. Simplify copying and fixup.
1348 (eh_region_outer_p): New.
1349 * except.h (duplicate_eh_regions): Update decl.
1350 (eh_region_outer_p): Declare.
1351 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1352 (lower_omp_master): Likewise.
1353 (lower_omp_ordered): Likewise.
1354 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1355 (move_stmt_r): Use it to remap labels. Handle recursion vs
1356 remap_decls_p properly.
1357 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1358 (find_outermost_region_in_block): New.
1359 (new_label_mapper): New.
1360 (move_sese_region_to_fn): Copy eh information to the new function
1362 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1364 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1367 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1369 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1370 into shared libraries.
1372 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1374 * doc/md.texi: Refer to i386/constraints.md instead of
1376 * config/i386/constraints.md: New file, extracted from...
1377 * config/i386/predicates.md: ...here.
1378 * config/i386/i386.md: Include constraints.md.
1380 2006-03-21 Jason Merrill <jason@redhat.com>
1382 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1385 * expr.c (init_block_move_fn): Force default visibility.
1386 (init_block_clear_fn): Likewise.
1387 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1388 * targhooks.c (default_external_stack_protect_fail): Likewise.
1390 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1392 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1393 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1394 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1395 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1396 (loadgp): Use mips_current_loadgp_style.
1397 (loadgp_noshared): New pattern.
1398 (sibcall_internal): Use MIPS_CALL.
1399 (sibcall_value_internal): Likewise.
1400 (sibcall_value_multiple_internal): Likewise.
1401 (call_internal): Likewise.
1402 (call_value_internal): Likewise.
1403 (call_value_multiple_internal): Likewise.
1404 (call_split): Use MIPS_CALL and add an 'S' constraint.
1405 (call_value_split): Likewise.
1406 (call_value_multiple_split): Likewise.
1407 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1408 (-mshared): New option.
1409 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1410 (mips_current_loadgp_style): Declare.
1411 * config/mips/mips.c (mips_classify_symbol): Avoid using
1412 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1413 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1414 TARGET_ABSOLUTE_ABICALLS.
1415 (override_options): Adjust comments. Improve the warning that is
1416 issued when -mabicalls and -G are used together.
1417 (mips_file_start): Remove comment.
1418 (mips_current_loadgp_style): New function.
1419 (mips_gnu_local_gp): New variable.
1420 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1422 (mips_output_function_prologue): Use mips_current_laodgp_style.
1423 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1424 the cprestore instruction.
1425 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1426 live for TARGET_ABSOLUTE_ABICALLS.
1427 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1428 (ASM_SPEC): Pass down -mshared and -mno-shared.
1429 (MIPS_CALL): New macro.
1430 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1432 * doc/invoke.texi (-mabicalls): Update documentation.
1433 (-mshared): Document.
1435 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1437 * config/ia64/unwind-hpux.c: New file.
1438 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1440 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1443 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1445 2006-03-21 Jeff Law <law@redhat.com>
1447 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1448 type conversions of a VR_VARYING source to a wider type.
1450 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1452 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1453 tm_file on Solaris 10 and later.
1454 (sparc64-*-solaris2*): Likewise.
1455 (sparc-*-solaris2*): Likewise.
1456 * config/sol26.h: Rename to config/sol2-6.h.
1457 * config/sol2-10.h: New file.
1459 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1462 * tree-ssa-pre.c (create_component_ref_by_pieces):
1465 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1468 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1469 return it immediately.
1471 2006-03-21 Michael Matz <matz@suse.de>
1473 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1475 (remove_arc, add_arc): Update num_out_arcs member.
1476 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1478 (cache_presence): New function.
1479 (compare_states_for_equiv): New function.
1480 (state_is_differed): Don't take number of outargs, adjust callers.
1481 Use new invariant for speeding up.
1482 (init_equiv_class): Create initial classes based on sorted
1484 (partition_equiv_class): Don't track out_arcs_num.
1485 (evaluate_equiv_classes): Call cache_presence on all states and
1488 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1490 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1491 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1492 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1493 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1495 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1496 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1497 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1498 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1499 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1501 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1502 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1503 (REGNO_REG_CLASS): ARGP is in PREGS.
1504 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1506 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1507 to deal with those addresses.
1508 * addresses.h: New file.
1509 * caller-save.c: Include "addresses.h".
1510 (init_caller_save): Use new base_reg_class function.
1511 * rtl-factoring.c: Include "addresses.h".
1512 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1513 * recog.c: Include "addresses.h".
1514 (preprocess_constraints): Use new base_reg_class function.
1515 * regrename.c: Include "addresses.h".
1516 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1517 functions. Keep track of a new var INDEX_CODE to compute valid
1519 (replace_oldest_value_addr): Likewise.
1520 (replace_oldest_value_mem): Use base_reg_class.
1521 * reload.c: Include "addresses.h".
1522 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1523 (find_reloads): Use new base_reg_class function.
1524 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1525 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1526 all callers and prototype changed.
1527 * reload1.c: Include "addresses.h".
1528 (maybe_fix_stack_asms): Use base_reg_class.
1529 * regclass.c: Include "addresses.h".
1530 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1531 (init_reg_autoinc): Use new base_reg_class function.
1532 (record_reg_classes): Likewise.
1533 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1534 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1535 Use new args to compute necessary class.
1537 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1538 regrename.o, rtl-factoring.o): Update dependencies.
1539 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1540 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1541 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1542 REG_OK_FOR_INDEX_P): Delete documentation.
1544 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1546 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1547 from V7 to V9 for Solaris 7 and above.
1549 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1551 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1552 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1553 argument pointers may not alias any other storage.
1554 * common.opt: Define option -fargument-noalias-anything.
1555 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1556 alias semantics is specified by flag_argument_noalias > 2.
1558 2006-03-20 Jeff Law <law@redhat.com>
1560 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1561 (pass_phi_only_cprop): Declare.
1562 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1564 * tree-ssa-dom.c (degenerate_phi_result): New function.
1565 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1566 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1567 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1568 (eliminate_degenerate_phis): Likewise.
1569 (pass_phi_only_cprop): New pass descriptor.
1570 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1571 support code. Callers updated.
1572 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1573 (store_copy_prop): Likewise.
1574 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1576 2006-03-20 Jason Merrill <jason@redhat.com>
1579 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1580 (push_visibility, pop_visibility): Likewise.
1581 * c-pragma.h: Declare them.
1583 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1585 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1587 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1588 parameter and use get_ebb_head_tail.
1589 (sh_md_init_global): Adjust uses of find_regmode_weight.
1591 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1593 * function.h (struct function) <x_tail_recursion_reentry>:
1594 Rename to x_stack_check_probe_note.
1595 (tail_recursion_reentry): Rename to stack_check_probe_note.
1596 * function.c: Replace tail_recursion_reentry with
1597 stack_check_probe_note everywhere.
1598 (expand_function_start): Only emit a note for
1599 stack_check_probe_note with -fstack-protect.
1600 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1602 * emit-rtl.c (remove_unnecessary_notes): Remove.
1603 (pass_remove_unnecessary_notes): Remove.
1604 * rtl.h (remove_unnecessary_notes): Remove prototype.
1605 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1606 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1607 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1609 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1612 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1613 (valid_in_set): Handle ARRAY_REF.
1614 Change "if min_variant or VH" to asserts.
1615 (create_component_ref_by_pieces): Handle ARRAY_REF.
1616 (create_expression_by_pieces): Likewise.
1617 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1619 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1621 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1622 is operand of switch, not str[0].
1624 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1626 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1627 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1629 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1631 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1632 end of insn_extra_address_constraint declaration.
1634 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1636 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1637 (no-sum-in-toc): Same.
1638 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1640 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1641 NO_FP_IN_TOC for -fPIC instead of mask.
1643 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1644 (BOOT_LDFLAGS): Delete.
1646 * config/rs6000/t-aix52: Same.
1648 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1649 (stmsi[345678]_power): New.
1651 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1653 * config/ia64/ia64.opt: Add empty line to end of file.
1655 2006-03-17 Richard Guenther <rguenther@suse.de>
1658 * builtins.c (get_pointer_alignment): For component style references
1659 adjust alignment to the component type alignment. Make sure
1660 to adjust alignment for component access of constants.
1662 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1664 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1667 2006-03-17 Paul Brook <paul@codesourcery.com>
1669 * doc/install.texi: Docuemnt --with-mode.
1670 * config.gcc: Add --with-mode for arm*-*-*.
1671 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1673 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1675 * sh.c (max_labelno_before_reorg): New variable.
1676 (sh_reorg): Initialize it.
1677 (find_barrier): Check max_labelno_before_reorg before using
1678 label_to_alignment. Take length of explicit alignment insns
1679 into account. When seeing a UNSPECV_CONST_END, return it.
1681 * sh.c (fixup_mova): Set mode of affected label to QImode.
1682 (untangle_mova): New function.
1683 (find_barrier): Use it. Check mode of label before decrementing
1685 (sh_reorg): Likewise.
1686 Set mode of all insns back to VOIDmode.
1688 * sh.c (MOVA_LABELREF): New macro.
1689 (mova_p, fixup_mova, sh_reorg): Use it.
1690 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1691 ADDR_DIFF_VEC matches mova.
1693 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1695 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1696 with ATTRIBUTE_UNUSED.
1698 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1700 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1701 pointer, instead of assuming it is possible to derive the
1702 correct args size from a call insn.
1704 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1706 * rtl.h (CONST_INT_P): Define.
1707 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1708 instead of GET_CODE(x) == CONST_INT.
1709 (vax_rtx_costs): Likewise.
1710 (vax_output_int_move): Likewise.
1711 (vax_output_int_add): Likewise.
1712 (legitimate_constant_address_p): Likewise.
1713 (index_term_p): Likewise.
1714 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1715 * config/vax/vax.md (and<mode>3): Likewise.
1716 (ashrsi3): Likewise.
1718 (movstricthi): Likewise.
1719 (movstrictqi): Likewise.
1720 (rotrsi3): Likewise.
1721 (five unnamed insns): Likewise.
1723 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1725 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1726 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1727 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1728 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1729 Pass to ASM_OUTPUT_DWARF_OFFSET.
1730 * dwarf2out.c (debug_frame_section): New.
1731 (output_call_frame_info): Use debug_frame_section. Pass it to
1732 dw2_asm_output_offset.
1733 (output_die): Pass appropriate section to dw2_asm_output_offset.
1734 (output_compilation_unit_header): Likewise.
1735 (output_pubnames): Likewise.
1736 (output_aranges): Likewise.
1737 (enum dw_val_class): Break dw_val_class_lbl_offset into
1738 dw_val_class_lineptr and dw_val_class_macptr.
1739 (add_AT_lbl_offset): Delete.
1740 (add_AT_lineptr): New.
1741 (add_AT_macptr): New.
1742 (AT_lbl): Expect a lineptr or macptr.
1743 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1744 (attr_checksum): Likewise.
1745 (same_dw_val_p): Likewise.
1746 (size_of_die): Likewise.
1747 (value_format): Likewise.
1748 (output_die): Likewise.
1749 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1751 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1752 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1753 * config/darwin-protos.h (darwin_file_start): New.
1754 (darwin_asm_output_dwarf_offset): New.
1755 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1756 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1758 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1759 if not EH section; simplify.
1760 (darwin_file_start): New.
1761 (darwin_asm_output_dwarf_offset): New.
1762 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1764 (DEBUG_INFO_SECTION): Likewise.
1765 (DEBUG_ABBREV_SECTION): Likewise.
1766 (DEBUG_ARANGES_SECTION): Likewise.
1767 (DEBUG_MACINFO_SECTION): Likewise.
1768 (DEBUG_LINE_SECTION): Likewise.
1769 (DEBUG_LOC_SECTION): Likewise.
1770 (DEBUG_PUBNAMES_SECTION): Likewise.
1771 (DEBUG_STR_SECTION): Likewise.
1772 (DEBUG_RANGES_SECTION): Likewise.
1773 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1774 (ASM_OUTPUT_DWARF_OFFSET): New.
1776 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1778 * config.gcc (tm_defines): Always add to previous value rather
1781 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1783 * config/mips/predicates.md (splittable_const_int_operand): New,
1784 split from move_operand.
1785 (splittable_symbolic_operand): New.
1786 (move_operand): Add commentary. Use splittable_const_int_operand.
1787 Inline mips_atomic_symbolic_constant_p.
1788 * config/mips/mips.md: Add combine splitters for handling moves
1789 of splittable_const_int_operands and splittable_symbolic_operands.
1790 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1791 (mips_split_symbol): Declare.
1792 (mips_move_integer): Declare.
1793 * config/mips/mips.c (mips_split_p): Make global.
1794 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1795 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1796 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1797 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1798 (mips_offset_within_object_p): Handle block symbols.
1799 (mips_atomic_symbolic_constant_p): Delete.
1800 (mips_cannot_force_const_mem): Return false for constants that
1801 mips_legitimize_move can handle.
1802 (mips_use_blocks_for_constant_p): New function.
1803 (mips_split_symbol): Make global.
1804 (mips_move_integer): Likewise. Add a temporary register argument.
1805 (mips_legitimize_const_move): Use splittable_const_int_operand and
1806 splittable_symbolic_operand.
1807 (mips_use_anchors_for_symbol_p): New function.
1808 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1809 (mips_split_p): Declare.
1811 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1813 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1814 (mips*-*-linux*): Likewise.
1816 2006-03-16 Roger Sayle <roger@eyesopen.com>
1817 Daniel Speyer <dspeyer@wam.umd.edu>
1820 * tree-dump.c (dump_real): New function.
1821 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1822 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1823 (tree-dump.o): Add $(REAL_H) to the dependencies.
1825 2006-03-16 Roger Sayle <roger@eyesopen.com>
1828 * real.c (real_from_string): If the mantissa is zero, don't bother
1829 parsing the exponent as the result should always be zero.
1831 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1833 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1835 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1837 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1838 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1839 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1840 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1841 ia64_sched_finish_global): New static functions to implement
1842 hooks from gcc_target.sched.
1843 (spec_check_no, max_uid, pending_data_specs): New static variables.
1844 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1845 ia64_spec_check_src_p): New static functions.
1846 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1847 (TARGET_SCHED_ADJUST_COST): Removed.
1848 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1849 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1850 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1851 TARGET_SCHED_GEN_CHECK,
1852 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1853 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1854 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1855 Fixed to handle speculation checks.
1856 (rtx_needs_barrier): Fixed to handle speculative loads and
1858 (ia64_variable_issue): Added code to count speculative loads and their
1860 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1862 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1864 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1866 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1867 (ia64_reorg): Reset stops_p to NULL after it is freed.
1868 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1869 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1870 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1872 (data_speculative, control_speculative, check_load): New attributes.
1873 (mov<mode>_advanced, mov<mode>_speculative,
1874 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1875 zero_extend<mode>di2_speculative,
1876 zero_extend<mode>di2_speculative_advanced): New patterns for
1877 data and control speculative loads.
1878 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1880 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1881 New pattern for data and control speculation checks.
1882 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1883 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1884 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1885 Auxiliary definitions for the patterns.
1886 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1887 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1889 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1891 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1892 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1893 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1894 New resource constraints.
1895 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1897 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1898 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1899 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1900 msched-in-control-spec, msched-ldc, msched-control-ldc,
1901 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1902 msched-prefer-non-control-spec-insns,
1903 msched-count-spec-in-critical-path): New flags to tune speculative
1905 * doc/invoke.texi (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): Document new flags.
1912 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1914 * target.h (struct spec_info_def): New opaque declaration.
1915 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1916 speculate_insn, needs_block_p, gen_check,
1917 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1918 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1919 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1920 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1921 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1922 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1924 (TARGET_SCHED): Use new macros.
1925 * rtl.h (copy_DEPS_LIST_list): New prototype.
1926 * sched-int.h (struct sched_info): Change signature of new_ready field,
1927 adjust all initializations. New fields: add_remove_insn,
1928 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1929 region_head_or_leaf_p.
1930 (struct spec_info_def): New structure declaration.
1931 (spec_info_t): New typedef.
1932 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1933 recovery_block, orig_pat.
1934 (glat_start, glat_end): New variables declaraions.
1935 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1937 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1938 DETACH_LIFE_INFO, USE_GLAT.
1939 (enum SPEC_SCHED_FLAGS): New enumeration.
1940 (NOTE_NOTE_BB_P): New macro.
1941 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1942 attach_life_info, debug_spec_status, check_reg_live): New functions.
1943 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1944 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1946 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1947 * ddg.c (get_block_head_tail): Adjust all uses.
1948 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1949 (sms_sched_info): Initialize new fields.
1950 (contributes_to_priority): Removed.
1951 * haifa-sched.c (params.h): New include.
1952 (get_block_head_tail): Adjust all uses.
1953 (ISSUE_POINTS): New macro.
1954 (glat_start, glat_end): New global variables.
1955 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1956 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1957 old_last_basic_block, before_recovery, current_sched_info_var,
1958 rgn_n_insns, luid): New static variables.
1959 (insn_cost1): New function. Move logic from insn_cost to here.
1960 (find_insn_reg_weight1): New function. Move logic from
1961 find_insn_reg_weight to here.
1962 (reemit_notes, move_insn, max_issue): Change signature.
1963 (move_insn1): Removed.
1964 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1965 extend_bb): New static functions to support extension of scheduler's
1967 (generate_recovery_code, process_insn_depend_be_in_spec,
1968 begin_speculative_block, add_to_speculative_block,
1969 init_before_recovery, create_recovery_block, create_check_block_twin,
1970 fix_recovery_deps): New static functions to support
1971 generation of recovery code.
1972 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1973 restore_bb_notes, move_block_after_check, move_succs): New static
1974 functions to support ebb scheduling.
1975 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1976 functions to support handling of register live information.
1977 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1978 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1979 add_jump_dependencies): New static functions.
1980 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1981 consistancy checking.
1982 (debug_spec_status): New function to call from debugger.
1983 (priority): Added code to handle speculation checks.
1984 (rank_for_schedule): Added code to distinguish speculative instructions.
1985 (schedule_insn): Added code to handle speculation checks.
1986 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1987 Fixed to handle ebbs.
1988 (move_insn): Added code to handle ebb scheduling.
1989 (max_issue): Added code to use ISSUE_POINTS of instructions.
1990 (choose_ready): Added code to choose between speculative and
1991 non-speculative instructions.
1992 (schedule_block): Added code to handle ebb scheduling and scheduling of
1993 speculative instructions.
1994 (sched_init): Initialize new variables.
1995 (sched_finish): Free new variables. Print statistics.
1996 (try_ready): Added code to handle speculative instructions.
1997 * lists.c (copy_DEPS_LIST_list): New function.
1998 * sched-deps.c (extend_dependency_caches): New function. Move logic
1999 from create_dependency_caches to here.
2000 (get_dep_weak, ds_merge): Make global.
2001 * genattr.c (main): Code to output prototype for
2002 dfa_clear_single_insn_cache.
2003 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2004 (output_dfa_clean_insn_cache_func): Code to output
2005 dfa_clear_single_insn_cache function.
2006 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2008 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2010 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2011 New static variables.
2012 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2013 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2015 (ebb_sched_info): Initialize new fields.
2016 (get_block_head_tail): Adjust all uses.
2017 (compute_jump_reg_dependencies): Fixed to use glat_start.
2018 (schedule_ebb): Code to remove unreachable last block.
2019 (schedule_ebbs): Added code to update register live information.
2020 * sched-rgn.c (region_sched_info): Initialize new fields.
2021 (get_block_head_tail): Adjust all uses.
2022 (last_was_jump): Removed. Adjust users.
2023 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2024 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2025 Implement new hooks.
2026 (check_dead_notes1): New static function.
2027 (struct region): New fields: dont_calc_deps, has_real_ebb.
2028 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2029 (BB_TO_BLOCK): Fixed to handle EBBs.
2030 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2031 (ebb_head): New static variable.
2032 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2033 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2035 (compute_dom_prob_ps): New assertion.
2036 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2037 global_live_at_start.
2038 (init_ready_list): New assertions.
2039 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2040 (new_ready): Add support for BEGIN_CONTROL speculation.
2041 (schedule_insns): Fixed code that updates register live information
2043 (schedule_region): Fixed to handle EBBs.
2044 (init_regions): Use extend_regions and check_dead_notes1.
2045 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2046 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2047 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2048 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2049 TARGET_SCHED_GEN_CHECK,
2050 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2051 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2052 * doc/invoke.texi (max-sched-insn-conflict-delay,
2053 sched-spec-prob-cutoff): Document.
2055 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2057 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2058 inter_tick, queue_index.
2059 (struct sched_info): Change signature of init_ready_list field.
2060 Adjust all initializations.
2061 (RESOLVED_DEPS): New access macro.
2062 (ready_add): Remove prototype.
2063 (try_ready): Add prototype.
2064 * sched-rgn.c (init_ready_list): Use try_ready.
2065 (schedule_region): Initialize
2066 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2067 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2068 (init_ready_list): Use try_ready.
2069 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2070 * lists.c (remove_list_elem): Remove `static'.
2071 (remove_free_INSN_LIST_elem): New function.
2072 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2073 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2074 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2076 (readyp): New variable.
2077 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2078 change_queue_index, resolve_dep): New static functions.
2079 (try_ready): New function. Adjust callers in sched-rgn.c and
2080 sched-ebb.c to use it instead of ready_add.
2081 (clock_var): Move at the begining of file.
2082 (rank_for_schedule): Fix typo.
2083 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2084 (ready_lastpos): Enforce assertion.
2085 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2087 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2088 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2089 (queue_to_ready): Use free_INSN_LIST_list.
2090 (early_queue_to_ready): Fix typo.
2091 (schedule_block): Init readyp. Move init_ready_list call after the
2092 initialization of clock_var. Fix error in rejecting insn by
2093 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2094 that previously corrected INSN_TICKs. Add code for handling
2096 (set_priorities): Fix typo.
2097 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2098 Clarify comment and code that keeps current_sched_info->next_tail
2101 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2103 * sched-rgn.c (extend_rgns): New static function.
2104 (find_rgns): Use it.
2105 (gather_region_statistics, print_region_statistics): New static
2107 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2108 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2110 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2111 Andrey Belevantsev <abel@ispras.ru>
2113 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2114 * lists.c (unused_deps_list): New variable.
2115 (free_list): Add assertions to verify the proper distinguishing
2116 between INSN_LISTs and DEPS_LISTs.
2117 (find_list_elem, remove_list_elem, remove_list_node): New static
2119 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2120 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2121 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2122 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2124 (free_INSN_LIST_node): Likewise.
2125 * modulo-sched.c (current_sched_info): Initialize flags field.
2126 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2127 * rtl.def (DEPS_LIST): Define.
2128 * rtl.h: Declare new functions from lists.c.
2129 * sched-deps.c (spec_dependency_cache): New static variable.
2130 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2131 (add_dependence): Change return type to void. Move the logic to ...
2132 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2133 (delete_all_dependences): Add comment about forward_dependency_cache.
2134 Handle spec_dependency_cache. Handle DEPS_LISTs.
2135 (fixup_sched_groups): Clarify the change of priority of output
2136 and anti dependencies.
2137 (sched_analyze_2): Adjust add_dependence calls to create data
2138 speculative dependence.
2139 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2140 Adjust all callers. Handle DEPS_LISTS.
2141 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2142 presence of speculation.
2143 (init_dependency_caches, free_dependency_caches):
2144 Handle spec_dependency_cache.
2145 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2146 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2147 New static functions.
2148 (add_or_update_back_dep, add_or_update_back_forw_dep,
2149 add_back_forw_dep, delete_back_forw_dep): New functions.
2150 * sched-int.h (ds_t, dw_t): New typedefs.
2151 (struct sched_info): Add new field flags.
2152 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2153 Prototype new sched-deps.c functions.
2154 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2155 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2156 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2157 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2158 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2159 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2161 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2163 * sched-rgn.c (current_sched_info): Initialize flags field.
2164 (schedule_insns): Initialize current_sched_info before the sched_init
2166 * sched-ebb.c (current_sched_info): Initialize flags field.
2167 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2168 Call add_or_update_back_dep instead of add_dependence.
2169 Create control speculative dependencies.
2170 (schedule_insns): Initialize current_sched_info before the sched_init
2173 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2175 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2177 (sh_fallback_frame_state): Likewise.
2179 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2181 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2182 Do switch on default_use_cxa_atexit.
2183 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2184 * config/darwin-crt3.o: New.
2185 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2186 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2187 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2189 * config/rs6000/t-darwin: Move crt2.o building to here.
2190 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2191 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2194 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2196 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2197 from '! xxx' to '!xxx' for coding-style conformance.
2198 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2199 (EXTRA_CONSTRAINT): Likewise.
2200 * config/vax/vax.md (four unnamed insns): Likewise.
2202 2006-03-15 Paul Brook <paul@codesourcery.com>
2204 * config/arm/arm.c (minipool_pad): New.
2205 (add_minipool_forward_ref): Include pool alignment padding in address
2207 (push_minipool_fix): Set minipool_pad.
2208 (minipool_pad): Ditto.
2210 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2212 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2213 instead of GET_CODE() == MEM and REG_P() instead of
2215 (print_operand_address): Likewise.
2216 (vax_address_cost): Likewise.
2217 (vax_rtx_costs): Likewise.
2218 (vax_notice_update_cc): Likewise.
2219 (vax_output_int_add): Likewise.
2220 (INDEX_REGISTER_P): Likewise.
2221 (BASE_REGISTER_P): Likewise.
2222 (nonindexed_address_p): Likewise.
2223 (vax_mode_dependent_address_p): Likewise.
2224 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2225 (PRINT_OPERAND): Likewise.
2226 * config/vax/vax.md (ashlsi3): Likewise.
2227 (ashlsi3): Likewise.
2228 (some more unnamed insns): Likewise.
2230 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2232 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2233 iterator-style macro.
2234 (mark_control_dependent_edges_necessary): Update the use of
2235 EXECUTE_IF_CONTROL_DEPENDENT.
2237 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2239 * config/sh/predicates.md (cache_address_operand): Special.
2240 (ua_address_operand): Likewise.
2242 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2244 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2246 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2248 2006-03-15 Andreas Schwab <schwab@suse.de>
2250 * gensupport.c (identify_predicable_attribute): Don't free p_false
2251 when it is still in use.
2253 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2255 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2256 the default setting here.
2258 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2260 * tree-pass.h (pass_cfg): Remove.
2261 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2262 * passes.c (pass_cfg): Don't run it.
2264 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2266 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2267 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2269 (stack_regs_mentioned): Update the uses of
2270 stack_regs_mentioned_data. Don't access the array beyond its
2272 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2273 Don't include gt-reg-stack.h.
2275 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2276 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2278 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2281 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2284 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2286 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2288 2006-03-14 Richard Guenther <rguenther@suse.de>
2290 PR tree-optimization/26672
2291 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2294 2006-03-14 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/26667
2297 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2298 node for the callees. Always allow inlining if it will shrink
2301 2006-03-14 Richard Guenther <rguenther@suse.de>
2304 * builtins.c (get_pointer_alignment): Prefer alignment
2305 information from decls over that from types.
2307 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2310 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2312 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2314 * config/rs6000/rs6000.opt (mdlmzb): New option.
2315 (msched-prolog, msched-epilog): Use Var not Mask.
2316 * doc/invoke.texi (-mdlmzb): Document.
2317 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2319 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2320 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2322 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2324 PR rtl-optimization/25739
2325 * bt-load.c (augment_live_range): Free tos pointer.
2327 * gensupport.c (identify_predicable_attribute): Free
2329 * gcov.c (create_file_names): Free name pointer.
2331 2006-03-13 Roger Sayle <roger@eyesopen.com>
2334 * stmt.c (emit_case_nodes): Handle the case where the index is a
2335 CONST_INT, where the comparison mode is specified by the index type.
2337 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2339 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2342 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2344 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2345 (*branch_fp_inverted): Likewise.
2347 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2350 * omp-low.c (expand_omp_for_generic): Mark istart0
2351 and iend0 as addressable.
2353 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2355 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2357 2006-03-13 Jeff Law <law@redhat.com>
2359 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2360 virtual operands are interesting.
2361 (vrp_visit_stmt): Corresponding changes.
2363 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2365 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2367 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2368 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2369 * config/bfin/crti.S: Use it instead of __PIC__.
2370 * config/bfin/crtn.S: Likewise.
2372 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2373 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2375 Lose 'G' modifier for call operand.
2376 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2377 recognize 'G' modifier.
2379 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2382 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2383 * stmt.c (expand_case): Likewise.
2385 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2387 PR rtl-optimization/26254
2388 * loop-invariant.c (seq_insns_valid_p): New function.
2389 (move_invariant_reg): Only emit new code if it is valid.
2391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2393 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2395 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2396 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2397 (commit_one_edge_insertion): Do not look for loop notes.
2399 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2401 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2402 flag_test_coverage out of loop.
2404 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2406 * final.c (shorten_branches): Remove outdated comment, and turn
2407 the if branch that guards it to continue.
2409 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2411 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2412 * cfgloop.h (struct loop): Remove unused fields.
2414 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2416 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2417 (-dL, -fdump-rtl-loop2): Update the dump file names
2419 * doc/invoke.texi: Update dump file names.
2421 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2423 * predict.c (estimate_probability): Remove.
2424 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2425 * basic-block.h (estimate_probability): Remove prototype.
2426 * passes.c (finish_optimization_passes): Dump branch prediction or
2427 profiling heuristics to the .profile tree dump.
2428 (init_optimization_passes): Unqueue pass_branch_prob.
2430 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2432 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2434 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2435 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2437 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2439 * function.h (frame_offset_overflow): Declare.
2440 * function.c (frame_offset_overflow): New function.
2441 (assign_stack_local_1): Call it to detect that the offset overflows.
2442 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2444 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2446 * config/sh/sh.c: Include alloc-pool.h.
2447 (label_ref_list_pool): New alloc pool.
2448 (label_ref_list_t): New type for lists of labels.
2449 (struct pool_node): Make wend a label_ref_list_t.
2450 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2452 (dump_table): Likewise.
2453 (sh_reorg): Set up the alloc pool before using add_constant and
2454 dump_table, and destroy it when finishing.
2456 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2458 * config/mips/mips.c: Remove redundant comment.
2460 2006-03-10 Jason Merrill <jason@redhat.com>
2463 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2464 the target was declared 'register'.
2466 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2468 * genpreds.c (write_insn_constraint_len): Change definition of
2469 insn_constraint_len to return size_t to match the declaration.
2471 2006-03-10 DJ Delorie <dj@redhat.com>
2473 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2475 (m32c_expand_insv): Fix test for an AND mask.
2477 2006-03-10 Richard Guenther <rguenther@suse.de>
2480 * builtins.c (get_pointer_alignment): Handle component
2481 references for field alignment.
2483 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2485 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2486 when building with libgloss.
2487 (sh*elf): Implement --without-fp option.
2488 (sh64-superh-linux*): Don't multilib.
2490 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2492 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2494 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2496 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2497 Set it when one of the replacement functions returned true.
2498 Return TODO_cleanup_cfg if cfgchanged is true.
2499 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2501 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2503 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2504 instead of gen_lowpart.
2506 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2508 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2510 (mips_output_order_conditional_branch): Declare.
2511 * config/mips/mips.h (MIPS_BRANCH): New macro.
2512 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2513 for the comparison. Use gen_condjump.
2514 (mips_output_conditional_branch): Rework interface to take the
2515 asm templates for a direct branch and the inverse of a direct branch.
2516 (mips_output_order_conditional_branch): New function.
2517 (mips_builtin_branch_and_move): New function.
2518 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2519 branch condition. Use gen_single_cc as the condition for
2520 __builtin_mips_upper_* or __builtin_mips_lower_*.
2521 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2522 Use VOIDmode for the branch condition.
2523 * config/mips/predicates.md (order_operator): New predicate.
2524 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2525 (branch_fp): Rename to...
2526 (*branch_fp): ...this. Remove mode from comparison operator.
2527 Use new mips_output_conditional_branch interface.
2528 (branch_fp_inverted): Rename to...
2529 (*branch_fp_inverted): ...this and update as for *branch_fp.
2530 (*branch_zero<mode>): Rename to...
2531 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2532 Use mips_output_order_conditional_branch. Only accept ordered
2534 (*branch_zero<mode>_inverted): Rename to...
2535 (*branch_order<mode>_inverted): ...this and update as for
2536 *branch_order<mode>.
2537 (*branch_equality<mode>): Accept zero as the second operand to
2538 the equality operator. Use the new mips_output_conditional_branch
2540 (*branch_equality<mode>_inverted): Likewise.
2541 (condjump): New expander.
2542 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2544 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2545 (bc1any2t, bc1any2f): Likewise.
2546 (single_cc): New expander.
2547 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2549 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2551 * doc/md.texi: Update documentation of MIPS constraints.
2552 * config/mips/constraints.md: New file.
2553 * config/mips/mips.md: Include it.
2554 * config/mips/mips.c (mips_char_to_class): Delete.
2555 (override_options): Don't initialize mips_char_to_class.
2556 * config/mips/mips.h (mips_char_to_class): Delete.
2557 (REG_CLASS_FROM_LETTER): Delete.
2558 (CONST_OK_FOR_LETTER_P): Delete.
2559 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2560 (EXTRA_CONSTRAINT_Y): Delete.
2561 (EXTRA_CONSTRAINT_STR): Delete.
2562 (CONSTRAINT_LEN): Delete.
2563 (EXTRA_MEMORY_CONSTRAINT): Delete.
2565 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2567 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2568 original fn's eh regions.
2570 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2572 * fold-const.c (build_range_check): Make sure to use a valid type to
2573 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2576 (range_predecessor): New static function.
2577 (range_successor): Likewise.
2578 (merge_ranges): Use them to compute predecessors and successors of
2581 2006-03-09 Roger Sayle <roger@eyesopen.com>
2584 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2585 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2587 2006-03-08 DJ Delorie <dj@redhat.com>
2589 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2590 (addpsi3): Expand to include memory operands. Remove
2591 reload-specific splits.
2592 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2593 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2594 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2595 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2596 (shift1_qi, shift1_hi, insv): New.
2597 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2598 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2599 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2601 * config/m32c/m32c-protos.h: Update as needed.
2602 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2603 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2604 Fail for unrecognized R* constraints.
2605 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2606 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2607 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2609 (m32c_init_libfuncs): New.
2610 (m32c_legitimate_address_p): Add debug wrapper.
2611 (m32c_rtx_costs): New.
2612 (m32c_address_cost): New.
2613 (conversions): Add 'B' prefix.
2614 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2615 operands, or word regnames for QI operands. 'B' prints bit
2617 (m32c_expand_setmemhi): New.
2618 (m32c_expand_movmemhi): New.
2619 (m32c_expand_movstr): New.
2620 (m32c_expand_cmpstr): New.
2621 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2622 (m32c_expand_neg_mulpsi3): Handle non-ints.
2623 (m32c_cmp_flg_0): New.
2624 (m32c_expand_movcc): New.
2625 (m32c_expand_insv): New.
2626 (m32c_scc_pattern): New.
2627 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2628 a0/a1 out of SIregs.
2629 (STORE_FLAG_VALUE): New.
2630 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2633 * config/m32c/mov.md: Make constraints more liberal.
2634 (zero_extendqihi2): Optimize r0/r1 case.
2635 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2636 * config/m32c/predicates.md (m32c_any_operand): New.
2637 (m32c_nonimmediate_operand): New.
2638 (m32c_hl_operand): New.
2639 (m32c_r3_operand): New.
2642 (memsym_operand): New.
2643 (memimmed_operand): New.
2644 (a_qi_operand): New.
2645 (m32c_eqne_operator): New.
2646 (m32c_1bit8_operand): New.
2647 (m32c_1bit16_operand): New.
2648 (m32c_1mask8_operand): New.
2649 (m32c_1mask16_operand): New.
2650 * config/m32c/blkmov.md: New file.
2651 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2653 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2655 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2656 unsigned to fix signed/unsigned comparison issue in
2657 DWARF2_FRAME_REG_OUT.
2658 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2659 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2661 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2662 of ptr into the ENABLE_CHECKING section.
2664 2006-03-08 Jeff Law <law@redhat.com>
2666 * tree-vrp.c (infer_value_range): Only count pointer uses
2667 and dereferences if -fdelete-null-pointer-checks is enabled.
2669 * tree-vrp.c (find_assert_locations): Infer value ranges for
2670 single use pointers, but do not create ASSERT_EXPRs for them.
2671 When a non-null range is inferred for a pointer, backwards
2672 propagate that range to other equivalent pointers through the
2675 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2678 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2679 language hook targets.
2680 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2681 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2682 if language hook targets were missing.
2684 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2686 * tree-ssa-opfinalize.h: Removed.
2687 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2689 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2690 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2691 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2692 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2693 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2694 finalize_ssa_v_must_def_ops): New.
2696 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2698 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2701 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2703 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2705 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2706 addresses with offsets; reorganize.
2708 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2709 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2710 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2712 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2715 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2717 2006-03-08 Ben Elliston <bje@au.ibm.com>
2719 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2721 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2724 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2727 2006-03-07 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/26587
2730 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2732 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2734 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2736 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2738 * hooks.c (hook_bool_mode_rtx_true): New function.
2739 * hooks.h (hook_bool_mode_rtx_true): Declare.
2740 * toplev.c (compile_file): Call output_shared_constant_pool.
2741 * varasm.c (shared_constant_pool): New variable.
2742 (assemble_start_function, assemble_end_function): Remove arguments
2743 from call to output_constant_pool.
2744 (create_constant_pool): New function, split out from...
2745 (init_varasm_status): ...here.
2746 (force_const_mem): Choose between the shared and per-function constant
2747 pools. Set current_function_uses_const_pool when reusing old entries
2748 as well as when creating new ones.
2749 (mark_constant): Ignore data argument.
2750 (mark_constants): Remove pool argument.
2751 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2752 to decide whether the function uses a constant pool.
2753 (output_constant_pool_contents): New function, split out from...
2754 (output_constant_pool): ...here.
2755 (output_shared_constant_pool): New function.
2756 (init_varasm_once): Initialize shared_constant_pool.
2757 * output.h (output_constant_pool): Delete.
2758 (output_shared_constant_pool): Declare.
2759 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2760 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2762 2006-03-06 Nick Clifton <nickc@redhat.com>
2764 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2765 flag_strength_reduce.
2767 2006-03-06 Ben Elliston <bje@au.ibm.com>
2769 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2770 x86_64-*-linux* configurations.
2772 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2773 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2775 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2777 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2779 * basic-block.h: Remove the extern for
2780 rediscover_loops_after_threading.
2782 * cfgloop.c (cancel_loop): Make it static.
2783 * cfgloop.h: Remove the prototype for cancel_loop.
2785 * flow.c (recompute_reg_usage): Make it static.
2786 * rtl.h: Remove the prototype for recompute_reg_usage.
2788 * function.c (use_return_register): Make it static.
2789 * function.h: Remove the prototype.
2791 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2793 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2795 * recog.h: Remove the prototype for
2796 validate_change_maybe_volatile.
2798 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2800 * rtlanal.c (replace_reg): Remove.
2801 * rtl.h: Remove the prototype for replace_reg.
2803 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2805 * regclass.c (reg_scan_update): Remove.
2806 (reg_scan_mark_refs): Remove the last argument.
2807 * rtl.h: Remove the prototype for reg_scan_update.
2809 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2811 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2812 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2813 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2814 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2815 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2816 loop-invariant.c, omp-low.c, opts.c, passes.c,
2817 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2818 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2819 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2820 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2821 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2822 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2826 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2827 * dwarf2out.h: Remove the prototype for
2828 dwarf2out_add_library_unit_info.
2830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2832 * tree.c (add_var_to_bind_expr): Remove.
2833 * tree.h: Remove the prototype for add_var_to_bind_expr.
2835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2837 * regclass.c (n_non_fixed_regs): Remove.
2838 (init_reg_sets_1, globalize_reg): Remove all uses of
2840 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2842 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2844 * rtlanal.c (insns_safe_to_move_p): Remove.
2845 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2847 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2849 * expmed.c (expand_mult_add): Remove.
2850 * expr.h: Remove the prototype for expand_mult_add.
2852 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2854 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2855 and REG_SAVED_VAL_EXP constants.
2856 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2857 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2858 Handle regs stored by value.
2859 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2860 (execute_cfa_program): Handle DW_CFA_val_offset,
2861 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2862 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2863 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2864 (uw_install_context_1): Handle target regs stored by value.
2866 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2868 * tree-sra.c (tree_sra): Return todoflags;
2869 (generate_one_element): Set TODO_update_smt_usage if needed.
2870 (pass_sra): Remove TODO_update_smt_usage.
2871 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2873 (tree_ssa_forward_propagate_single_use_vars): Return
2874 TODO_update_smt_usage if we need to update SMT usage.
2875 (pass_forwprop): Remove TODO_update_smt_usage.
2877 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2879 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2880 (correct_use_link): Remove reference to get_stmt_operands.
2881 (update_stmt_operands): Likewise.
2882 (get_modify_expr_operands): New function factored out of
2883 parse_ssa_operands and get_expr_operands.
2884 Try to create V_MUST_DEFs for LHS by default.
2885 (get_expr_operands) <case MODIFY_EXPR>: Call
2886 get_modify_expr_operands.
2887 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2888 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2889 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2890 get_modify_expr_operands.
2892 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2894 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2895 * tree-flow.h: Remove the prototype for
2896 referenced_var_lookup_if_exists.
2898 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2900 PR rtl-optimization/26345
2902 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2904 2006-03-03 Roger Sayle <roger@eyesopen.com>
2906 PR tree-optimization/26524
2907 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2908 fold_convert to create a constant of the appropriate type.
2910 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2912 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2913 SYMBOL_REF_IN_BLOCK_P.
2914 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2915 of SYMBOL_FLAG_IN_BLOCK.
2916 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2917 instead of SYMBOL_REF_IN_BLOCK_P.
2918 * explow.c (use_anchored_address): Likewise.
2919 * rtl.c (rtx_size): Likewise.
2920 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2921 instead of SYMBOL_FLAG_IN_BLOCK.
2922 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2923 SYMBOL_REF_IN_BLOCK_P.
2924 (assemble_variable): Likewise.
2925 (output_constant_def_contents): Likewise.
2926 (output_constant_pool): Likewise.
2927 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2928 instead of SYMBOL_FLAG_IN_BLOCK.
2929 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2930 SYMBOL_REF_IN_BLOCK_P.
2931 (SYMBOL_REF_BLOCK): Likewise.
2932 (SYMBOL_REF_OFFSET): Likewise.
2933 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2934 SYMBOL_REF_IN_BLOCK_P.
2935 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2936 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2937 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2938 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2940 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2942 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2944 2006-03-02 Roger Sayle <roger@eyesopen.com>
2946 * simplify-rtx.c (simplify_unary_operation): When simplifying
2947 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2948 that we perform the right shift in the appropriate mode, and
2949 then extend or truncate the result to requested mode.
2951 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2953 * gengtype.c (main): Handle double_int type.
2954 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2955 * double-int.c: New file.
2956 * double-int.h: New file.
2957 * system.h: Include doubleint.h.
2958 * Makefile.in (SYSTEM_H): Include double-int.h.
2959 (double-int.o): Add.
2961 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2964 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2967 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2969 * tree-vrp.c (remove_range_assertions): Do not update statements
2972 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2974 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2976 * gcse.c (rest_of_handle_gcse): Ditto.
2977 * except.c (gate_handle_eh): Ditto.
2978 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2979 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2981 2006-03-02 Eric Christopher <echristo@apple.com>
2983 * config/i386/i386.c (machopic_output_stub): Add indirection to
2986 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2990 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2992 Sun Niagara specific optimizations.
2993 * config.gcc: Recognize niagara as target.
2994 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2995 (TARGET_CPU_niagara): Define.
2996 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2997 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2998 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2999 (ASM_CPU_SPEC): Likewise.
3000 (PROCESSOR_NIAGARA): New enum entry.
3001 (REGISTER_MOVE_COST): Handle Niagara.
3002 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3003 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3004 (sparc_override_options): Recognize "niagara", set appropriate
3005 default MASK_* values for it, and align functions to 32-bytes
3006 by default just like ULTRASPARC/ULTRASPARC3.
3007 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3008 (sparc64_initialize_trampoline): Likewise.
3009 (sparc_use_sched_lookahead): Use zero for niagara.
3010 (sparc_issue_rate): Use one for niagara.
3011 * config/sparc/niagara.md: New file.
3012 * config/sparc/sparc.md: Include it.
3013 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3014 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3015 when default cpu is niagara.
3016 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3017 (ASM_CPU_SPEC): Likewise.
3018 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3019 when default cpu is niagara.
3020 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3021 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3022 just like v9/ultrasparc/ultrasparc3.
3023 * doc/invoke.texi: Add documentation for "niagara" and improve
3024 existing documentation for ultrasparc variants.
3026 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3028 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3030 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3032 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3033 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3034 and say that only one is needed.
3035 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3036 * target.h (have_switchable_bss_sections): New hook.
3037 * explow.c (use_anchored_address): Check that the symbol is in a block.
3038 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3039 (bss_noswitch_section): New variables.
3040 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3041 (get_noswitch_section): New function.
3042 (get_block_for_section): Allow SECT to be null.
3043 (unlikely_text_section_p): Use SECTION_STYLE.
3044 (bss_initializer_p): New function.
3045 (get_variable_section): Move earlier in file. Take a new argument,
3046 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3047 Return one of the new *_sections in such cases.
3048 (get_block_for_decl): New function, extracting some logic from
3049 use_blocks_for_decl_p.
3050 (change_symbol_section): Remove in favor of...
3051 (change_symbol_block): ...this new function.
3052 (use_blocks_for_decl_p): Remove checks now performed by
3054 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3055 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3056 (emit_local, emit_bss, emit_common): ...these new functions.
3057 Return true if the alignment was honored.
3058 (emit_tls_common): New function.
3059 (asm_emit_uninitialised): Delete.
3060 (assemble_variable_noswitch): New function, split out from...
3061 (assemble_variable): ...here. Don't make decisions about common
3062 variables here. Globalize all public decls that go into non-common
3063 sections. Check whether SYMBOL_REF_BLOCK is null.
3064 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3065 (output_constant_pool): Likewise.
3066 (init_varasm_once): Initialize the new section variables.
3067 (have_global_bss_p): New function.
3068 (categorize_decl_for_section): Use bss_initializer_p.
3069 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3070 (place_block_symbol): Assert that the symbol must be in a block.
3071 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3072 (TARGET_INITIALIZER): Include it.
3073 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3074 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3075 (SECTION_MACH_DEP): Bump by two.
3076 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3077 (unnamed_section): Mention SECTION_UNNAMED in comment.
3078 (named_section): Likewise SECTION_NAMED.
3079 (noswitch_section_callback): New type.
3080 (noswitch_section): New structure.
3081 (section): Add a noswitch_section alternative.
3082 (SECTION_STYLE): New macro.
3083 (tls_comm_section, comm_section, lcomm_section): Declare.
3084 (bss_noswitch_section, have_global_bss_p): Declare.
3085 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3086 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3088 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3089 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3092 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3094 * gcc/tree-vrp.c (execute_vrp): Return value.
3095 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3096 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3097 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3098 (tree_lower_complex_O0): Ditto.
3099 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3100 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3101 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3102 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3103 (execute_tail_calls): Ditto.
3104 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3105 * gcc/tree.h (init_function_for_compilation): Ditto.
3106 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3107 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3108 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3109 * gcc/final.c (compute_alignments): Ditto.
3110 (rest_of_handle_final): Ditto.
3111 (rest_of_handle_shorten_branches): Ditto.
3112 (rest_of_clean_state): Ditto.
3113 * gcc/omp-low.c (execute_expand_omp): Ditto.
3114 (execute_lower_omp): Ditto.
3115 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3116 * gcc/ipa-reference.c (static_execute): Ditto.
3117 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3118 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3119 (rest_of_handle_machine_reorg): Ditto.
3120 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3121 * gcc/flow.c (recompute_reg_usage): Ditto.
3122 (rest_of_handle_remove_death_notes): Ditto.
3123 (rest_of_handle_life): Ditto.
3124 (rest_of_handle_flow2): Ditto.
3125 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3126 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3127 (do_ssa_store_ccp): Ditto.
3128 (execute_fold_all_builtins): Ditto.
3129 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3130 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3131 * gcc/ipa-pure-const.c (static_execute): Ditto.
3132 * gcc/cse.c (rest_of_handle_cse): Ditto.
3133 (rest_of_handle_cse2): Ditto.
3134 * gcc/web.c (rest_of_handle_web): Ditto.
3135 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3136 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3137 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3138 * gcc/tree-nrv.c (tree_nrv): Ditto.
3139 (execute_return_slot_opt): Ditto.
3140 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3141 (create_structure_vars): Ditto.
3142 * gcc/loop-init.c (rtl_loop_init): Ditto.
3143 (rtl_loop_done): Ditto.
3144 (rtl_move_loop_invariants): Ditto.
3145 (rtl_unswitch): Ditto.
3146 (rtl_unroll_and_peel_loops): Ditto.
3147 (rtl_doloop): Ditto.
3148 * gcc/gimple-low.c (lower_function_body): Ditto.
3149 (mark_used_blocks): Ditto.
3150 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3151 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3152 (cgraph_early_inlining): Ditto.
3153 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3154 * gcc/jump.c (cleanup_barriers): Ditto.
3155 (purge_line_number_notes): Ditto.
3156 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3157 (rest_of_handle_if_after_reload): Ditto.
3158 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3159 (tree_ssa_loop_im): Ditto.
3160 (tree_ssa_loop_unswitch): Ditto.
3161 (tree_vectorize): Ditto.
3162 (tree_linear_transform): Ditto.
3163 (tree_ssa_loop_ivcanon): Ditto.
3164 (tree_ssa_empty_loop): Ditto.
3165 (tree_ssa_loop_bounds): Ditto.
3166 (tree_complete_unroll): Ditto.
3167 (tree_ssa_loop_prefetch): Ditto.
3168 (tree_ssa_loop_ivopts): Ditto.
3169 (tree_ssa_loop_done): Ditto.
3170 * gcc/predict.c (tree_estimate_probability): Ditto.
3171 * gcc/recog.c (split_all_insns_noflow): Ditto.
3172 (rest_of_handle_peephole2): Ditto.
3173 (rest_of_handle_split_all_insns): Ditto.
3174 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3175 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3176 (rest_of_handle_stack_adjustments): Ditto.
3177 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3178 * gcc/function.c (instantiate_virtual_regs): Ditto.
3179 (init_function_for_compilation): Ditto.
3180 (rest_of_handle_check_leaf_regs): Ditto.
3181 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3182 (rest_of_handle_gcse): Ditto.
3183 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3184 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3185 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3186 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3187 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3188 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3189 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3190 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3191 * gcc/except.c (set_nothrow_function_flags): Ditto.
3192 (convert_to_eh_region_ranges): Ditto.
3193 (rest_of_handle_eh): Ditto.
3194 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3195 (remove_unnecessary_notes): Ditto.
3196 * gcc/except.h (set_nothrow_function_flags): Ditto.
3197 (convert_to_eh_region_ranges): Ditto.
3198 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3199 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3200 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3201 (execute_fre): Ditto.
3202 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3203 (rest_of_handle_jump2): Ditto.
3204 * gcc/tree-sra.c (tree_sra): Ditto.
3205 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3206 (execute_mudflap_function_decls): Ditto.
3207 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3208 (do_store_copy_prop): Ditto.
3209 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3210 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3211 * gcc/tree-ssa-forwprop.c
3212 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3213 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3214 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3215 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3216 (execute_late_warn_uninitialized): Ditto.
3217 * gcc/rtl.h (cleanup_barriers): Ditto.
3218 (split_all_insns_noflow): Ditto.
3219 (purge_line_number_notes): Ditto.
3220 (unshare_all_rtl): Ditto.
3221 (remove_unnecessary_notes): Ditto.
3222 (recompute_reg_usage): Ditto.
3223 (variable_tracking_main): Ditto.
3224 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3225 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3226 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3227 (execute_free_cfg_annotations): Ditto.
3228 (execute_fixup_cfg): Ditto.
3229 (execute_cleanup_cfg_pre_ipa): Ditto.
3230 (execute_cleanup_cfg_post_optimizing): Ditto.
3231 (execute_init_datastructures): Ditto.
3232 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3233 * gcc/combine.c (rest_of_handle_combine): Ditto.
3234 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3235 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3236 (rest_of_handle_reorder_blocks): Ditto.
3237 (rest_of_handle_partition_blocks): Ditto.
3238 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3239 * gcc/tree-profile.c (tree_profiling): Ditto.
3240 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3241 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3242 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3243 (rest_of_handle_sched2): Ditto.
3244 * gcc/basic-block.h (free_bb_insn): Ditto.
3245 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3246 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3247 (remove_useless_stmts): Ditto.
3248 (split_critical_edges): Ditto.
3249 (execute_warn_function_return): Ditto.
3250 (execute_warn_function_noreturn): Ditto.
3251 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3252 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3253 * gcc/passes.c (execute_one_pass): Run additional
3254 todos returned by execute function.
3255 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3258 2006-03-02 Richard Guenther <rguenther@suse.de>
3260 * tree-ssa-alias.c (find_used_portions): Consider taking
3261 the address as making the variable not write-only.
3263 2006-03-02 Nick Clifton <nickc@redhat.com>
3265 * config.gcc (default_use_cxa_atexit): Extend the description of
3266 this configure variable. Set its default value to "yes" for
3267 Linux, NetBSD and ELF targets on the assumption that they will
3268 use C libraries with the __cxa_atexit function.
3270 2006-03-02 Ben Elliston <bje@au.ibm.com>
3272 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3273 parameter as unused to suppress a build warning.
3275 2006-03-02 Ben Elliston <bje@au.ibm.com>
3277 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3280 2006-03-01 Roger Sayle <roger@eyesopen.com>
3283 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3284 declared name, the weak reference name, and the typeof name.
3285 (__gthrw): Avoid expanding the declared name suffix.
3286 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3288 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3290 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3292 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3293 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3294 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3295 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3296 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3297 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3298 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3299 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3300 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3301 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3302 (DW_END_default, DW_END_big, DW_END_little): New.
3303 (DW_END_lo_user, DW_END_hi_user): Define.
3304 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3305 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3306 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3309 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3311 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3313 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3315 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3317 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3319 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3320 to 'symbol_mem_tag'.
3322 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3325 2006-03-01 Roger Sayle <roger@eyesopen.com>
3327 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3329 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3332 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3333 MACHO_DYNAMIC_NO_PIC_P.
3334 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3336 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3339 * config/darwin-protos.h (darwin_asm_output_anchor):
3341 * config/darwin-sections.def (cstring_section):
3342 Add SECTION_MERGE to the flags.
3343 (literal4_section): Likewise.
3344 (literal8_section): Likewise.
3345 (objc_selector_refs_section): Likewise.
3346 (objc_cls_refs_section): Likewise.
3347 * config/darwin.c (darwin_asm_output_anchor): New
3349 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3351 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3353 Fix PR tree-optimization/26443
3354 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3355 to todo and PROP_tmt_usage to properties_destroyed.
3356 * tree-ssa-ccp.c (pass_ccp): Ditto.
3357 (pass_store_ccp): Ditto.
3358 * tree-ssa-dom.c (pass_dominator): Ditto.
3360 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3362 * tree-ssa-operands.c: Cleanup whitespace.
3363 (get_asm_expr_operands): Move before first invocation.
3364 (get_indirect_ref_operands): Likewise.
3365 (get_tmr_operands): Likewise.
3366 (get_call_expr_operands): Likewise.
3367 (append_def): Likewise.
3368 (append_use): Likewise.
3369 (append_v_may_def): Likewise.
3370 (append_v_must_def): Likewise.
3371 (add_call_clobber_ops): Likewise.
3372 (add_call_read_ops): Likewise.
3373 (add_stmt_operand): Likewise.
3374 (add_virtual_operand): Likewise.
3375 (build_ssa_operands): Likewise.
3377 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3382 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3383 with a call expr to ...
3384 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3386 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3388 * tree-vrp.c (extract_range_from_assert): Remove special
3389 handling for types with super-types.
3391 2006-03-01 Ben Elliston <bje@au.ibm.com>
3393 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3394 and powerpc64-*-linux* configurations.
3395 * config/t-dfprules: New file.
3397 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3398 Compile dfp-bit.c from the source directory using -DWIDTH and
3399 $DFP_CFLAGS to control the compilation of that file, rather than
3400 generating width-specific versions in the build directory.
3401 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3402 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3404 2006-02-28 Zack Weinberg <zackw@panix.com>
3406 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3409 2006-02-28 Eric Christopher <echristo@apple.com>
3411 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3412 Set up IN_LIBGCC definition of TARGET_64BIT.
3413 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3415 2006-02-28 Roger Sayle <roger@eyesopen.com>
3418 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3419 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3420 cases via the construction of "expr != 0".
3422 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3424 * alias.c (alias_invariant, alias_invariant_size): Remove.
3425 (record_base_value): Remove.
3426 (memrefs_conflict_p): Don't look at alias_invariant.
3427 (end_alias_analysis): Don't free it.
3428 * alias.h (record_base_value): Remove prototype.
3430 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3431 Adam Nemet <anemet@caviumnetworks.com>
3433 * rtl.h (truncated_to_mode): Declare it.
3434 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3435 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3436 (RTL_HOOKS_INITIALIZER): Include it.
3437 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3438 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3439 reg_truncated_to_mode.
3440 * rtlanal.c (truncated_to_mode): Define it.
3441 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3443 2006-02-28 Jeff Law <law@redhat.com>
3445 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3446 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3447 the range allowed by TYPE_PRECISION.
3449 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3451 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3453 PR tree-optimization/26419
3454 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3457 2006-02-27 Zack Weinberg <zackw@panix.com>
3459 * doc/md.texi: Fix typo in previous change.
3461 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3465 2006-02-27 Zack Weinberg <zackw@panix.com>
3467 * rtl.def (define_constraint, define_register_constraint)
3468 (define_memory_constraint, define_address_constraint): New MD forms.
3469 * gensupport.c (process_rtx): Put define_constraint etc on the
3471 * genpreds.c (process_define_predicate): Adjust comment. Validate
3472 the name, and call validate_exp to validate the expression.
3473 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3474 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3475 all callers changed.
3476 (validate_exp, needs_variable, struct constraint_data)
3477 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3478 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3479 (const_dbl_constraints, constraint_max_namelen)
3480 (have_register_constraints, have_memory_constraints)
3481 (have_address_constraints, have_address_constraints)
3482 (have_extra_constraints, have_const_int_constraints)
3483 (have_const_dbl_constraints, mangle, add_constraint)
3484 (process_define_constraint, process_define_register_constraint)
3485 (write_enum_constraint_num, write_lookup_constraint)
3486 (write_insn_constraint_len, write_regclass_for_constraint)
3487 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3488 (write_insn_extra_memory_constraint)
3489 (write_insn_extra_address_constraint)
3490 (write_satisfies_constraint_fns): New.
3491 (write_tm_preds_h): If we have new-style constraint definitions,
3492 prototype the functions generated from them, and define the
3493 old constraint interface (still used by generic code) in terms of
3495 (write_insn_preds_c): If we have new-style constraint definitions,
3496 generate all relevant functions from those definitions.
3497 (main): Handle define_constraint etc.
3498 * genoutput.c (struct constraint_data, indep_constraints)
3499 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3500 (mdep_constraint_len): New data structures and functions, defined
3501 #ifdef USE_MD_CONSTRAINTS.
3502 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3503 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3504 use new logic to validate operand constraints against constraint
3506 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3508 * defaults.h: If none of the old-style constraint macros are
3509 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3510 old-style macros; and poison REG_CLASS_FROM_LETTER,
3511 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3513 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3514 * doc/md.texi: Document new constraint-definition mechanism and the
3515 C interface it provides. Remove references to old mechanism
3516 elsewhere in the document.
3517 (Machine Constraints): Use pathnames relative to gcc directory,
3518 i.e. config/ARCH/FILE. Change i386 section to refer to
3519 config/i386/predicates.md; update that section to match docstrings.
3520 * doc/tm.texi: Move all documentation of the old constraint-
3521 definition macros to their own section, clearly mark as obsolete.
3523 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3524 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3526 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3527 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3528 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3530 (splits and peepholes): Use satisfies_constraint_*.
3531 * config/i386/i386.c (memory_address_length)
3532 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3534 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3536 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3537 scalar operation to be put back into the loop.
3539 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3542 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3543 (extract_cie_info): Handle S flag in augmentation string.
3544 (execute_cfa_program): If context->signal_frame, execute also
3545 fs->pc == context->ra instructions.
3546 (uw_frame_state_for): If context->signal_frame, don't subtract one
3547 from context->ra to find FDE.
3548 (uw_update_context_1): Set context->signal_frame to
3550 (_Unwind_GetIPInfo): New function.
3551 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3552 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3554 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3555 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3556 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3557 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3558 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3559 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3560 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3561 x86_64_fallback_frame_state): Set fs->signal_frame.
3562 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3563 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3564 (frob_update_context): Likewise. Workaround missing S flag in
3565 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3566 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3567 Remove the psw_addr + 1 hack.
3569 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3571 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3572 with aggregates here.
3573 (find_func_aliases): Remove code for &<aggregate> from here.
3575 2006-02-26 Roger Sayle <roger@eyesopen.com>
3577 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3578 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3579 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3582 2006-02-26 Roger Sayle <roger@eyesopen.com>
3585 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3587 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3589 * opts.c (decode_options): Do not handle flag_strength_reduce.
3590 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3591 and OPT_fstrength_reduce.
3592 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3593 flag_prefetch_loop_arrays for being nonzero.
3594 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3596 (fprefetch-loop-arrays-rtl): Removed.
3597 (flag_prefetch_loop_arrays): Do not specify the value.
3599 * doc/passes.texi: Update documentation of loop optimizer
3601 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3602 -frerun-loop-opt): Remove.
3604 2006-02-26 Richard Guenther <rguenther@suse.de>
3606 PR tree-optimization/26421
3607 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3608 in function calls that are ADDR_EXPRs as using the whole structure.
3610 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3612 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3613 * tree-pass.h (pass_loop_optimize): Remove.
3614 * passes.c (pass_loop_optimize): Never run it.
3615 * toplev.c (backend_init): Don't call init_loop.
3616 * opts.c (flag_loop_optimize_set): Remove.
3617 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3618 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3619 the old RTL loop optimizer when profiling enabled.
3620 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3621 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3622 pre-headers for the sake of the old RTL loop optimizer.
3623 * Makefile.in: Remove all references to loop.o.
3625 * doc/invoke.texi: Remove all references to -floop-optimize
3626 and -frerun-loop-opt.
3628 2006-02-26 Zack Weinberg <zackw@panix.com>
3630 * doc/md.texi (Machine Constraints): Refer to all files with paths
3631 relative to gcc directory (i.e. config/CPU/file). Add missing
3632 @table @code ... @end table to M32C subsection.
3634 2006-02-26 Roger Sayle <roger@eyesopen.com>
3636 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3638 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3640 2006-02-26 Roger Sayle <roger@eyesopen.com>
3641 James A. Morrison <phython@gcc.gnu.org>
3644 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3645 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3646 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3647 signedness of the shift operation.
3649 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3651 PR tree-optimization/26359
3652 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3654 2006-02-25 Roger Sayle <roger@eyesopen.com>
3656 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3657 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3658 as X == 0, and some symmetry related transformations.
3659 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3661 2006-02-25 Roger Sayle <roger@eyesopen.com>
3664 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3665 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3666 symmetry related transformations. Fold (X^C1) == C2 as
3669 2006-02-25 Juergen Weigert <jw@suse.de>
3670 Richard Guenther <rguenther@suse.de>
3672 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3674 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3676 * combine.c (gen_lowpart_or_truncate): Call
3677 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3679 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3681 * doc/invoke.texi: Move -fopenmp description to "Options for
3683 Remove reference to -lgomp.
3685 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3687 * doc/install.texi: Require GNU tar version 1.14.
3689 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3691 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3692 * doc/invoke.texi (C++ Dialect Options): Document
3693 -fno-use-cxa-get-exception-ptr.
3694 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3695 * configure: Regenerate.
3696 * c.opt (fuse-cxa-get-exception-ptr): New.
3697 * c-opts.c (c_common_handle_option): Handle
3698 OPT_fuse_cxa_get_exception_ptr.
3699 * c-common.c (flag_use_cxa_atexit): Update documentation.
3700 (flag_use_cxa_get_exception_ptr): New.
3701 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3702 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3704 (C_COMMON_OVERRIDE_OPTIONS): New.
3706 2006-02-24 Roger Sayle <roger@eyesopen.com>
3709 * combine.c (try_combine): Explicitly check whether GET_CODE is
3710 a SET or a CLOBBER, instead on checking that it isn't a USE.
3712 2006-02-24 Roger Sayle <roger@eyesopen.com>
3714 * fold-const.c (fold_comparison): New subroutine of fold_binary
3715 containing transformations common to both the equality and
3716 ordering relational operators, factored out of fold_binary.
3717 (fold_binary): Separate out the equality operators (EQ_EXPR
3718 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3719 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3720 transformations common to both.
3721 (fold_div_compare): Fix latent bugs in the previously unreachable
3722 LT_EXPR and GE_EXPR cases.
3724 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3726 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3727 decl libname for clog to __clog on AIX.
3729 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3731 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3734 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3735 output traceback table for thunks. Localise rs6000_stack_info call.
3737 2006-02-23 Roger Sayle <roger@eyesopen.com>
3738 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3740 * gthr-posix.h (__gthrw): Fix typo in comment.
3742 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3744 * doc/cpp.texi (Character sets): Document that we do support
3745 input files to be in any character set.
3747 2006-02-23 Jeff Law <law@redhat.com>
3749 * tree.h (PHI_ARG_NONZERO): Remove.
3750 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3751 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3752 node to the new node.
3754 PR tree-optimization/26425
3755 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3756 min/max, then assume its varying.
3758 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3760 PR rtl-optimization/26316
3761 * rtlanal.c (enum may_trap_p_flags): New.
3762 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3763 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3764 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3765 (may_trap_after_code_motion_p): New function.
3766 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3767 (find_invariant_insn): Use may_trap_after_code_motion_p.
3768 * rtl.h (may_trap_after_code_motion_p): Declare.
3770 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3772 * emit-rtl.c (immed_double_const): Cleanup.
3774 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3776 Fix PR tree-optimization/26376
3777 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3780 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3783 * gimplify.c (omp_add_variable): Guard variable size decl test with
3784 DECL_SIZE (decl) check.
3786 2006-02-23 Richard Guenther <rguenther@suse.de>
3789 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3790 like aggregate types.
3792 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3794 * configure.ac: Add --with{,out}-long-double-128 configure option.
3795 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3796 * configure: Rebuilt.
3797 * config.in: Rebuilt.
3798 * doc/install.texi (Options specification): Document
3799 --with-long-double-128.
3801 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3802 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3803 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3804 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3806 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3808 * config/s390/s390.c (override_options): Handle
3809 TARGET_DEFAULT_LONG_DOUBLE_128.
3811 * config/alpha/alpha.c (override_options): Handle
3812 TARGET_DEFAULT_LONG_DOUBLE_128.
3814 * config/sparc/sparc.c (sparc_override_options): Handle
3815 TARGET_DEFAULT_LONG_DOUBLE_128.
3817 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3819 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3820 (real-install-headers-tar, real-install-headers-cpio)
3821 (real-install-headers-cp): New targets.
3823 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3825 * tree.h (variable_section): Delete.
3826 * varasm.c (variable_section): Delete.
3828 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3830 * install.texi: Add notes on install.texi2html.
3831 (Building in parallel): Do not use footnotes.
3833 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3836 * doc/install.texi (Configuration): Document --disable-libgomp.
3838 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3840 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3842 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3844 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3845 (vec_extractv2df_0_sse): New.
3847 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3849 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3850 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3851 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3852 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3853 to the result of the expression.
3854 (def_cfa_1): Adjust.
3855 (frame_pointer_cfa_offset): Rename to...
3856 (frame_pointer_fb_offset): ... this. Adjust all uses.
3857 (convert_cfa_to_loc_list): Rename to...
3858 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3859 Pass it on to build_cfa_loc.
3860 (compute_frame_pointer_to_cfa_displacement): Rename to...
3861 (compute_frame_pointer_to_fb_displacement): ... this. New
3862 offset parameter. Use it in computation.
3863 (gen_subprogram_die): Compute cfa_fb_offset with the new
3864 macro, and use it to compute the fb loc list and the
3867 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3869 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3870 replaced with register_operand.
3871 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3872 non-DREG is expensive.
3873 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3874 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3877 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3879 * doc/install.texi2html: Use set -e.
3881 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3883 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3884 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3885 * doc/invoke.texi (-fshared-data): Delete.
3886 * common.opt (fshared-data): Delete.
3887 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3888 (assemble_static_space): Remove #if 0 code.
3889 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3890 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3891 * config/cris/cris.h: Remove FIXME.
3893 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3895 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3898 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3901 * combine.c (simplify_shift_const_1): Disable nested shifts
3902 optimization for vector shifts.
3904 2006-02-20 Roger Sayle <roger@eyesopen.com>
3906 PR tree-optimization/26361
3907 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3908 of unsigned integer types.
3910 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3912 * tree-chrec.c (eq_evolutions_p): New.
3913 * tree-chrec.h (eq_evolutions_p): Declared.
3914 * tree-data-ref.c: Fix formatting.
3915 (datadep_stats, dependence_stats): New.
3917 (print_direction_vector): New.
3918 (dump_data_dependence_relation): Use print_direction_vector.
3919 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3920 (compute_subscript_distance): Static.
3921 (initialize_data_dependence_relation): Static. Get the number
3922 of loops surrounding the references from the callers, and initialize
3923 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3924 base_object_differ_p analyzers.
3925 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3926 compute_overlap_steps_for_affine_1_2,
3927 analyze_subscript_affine_affine): Count the classified dependences.
3928 Print a message when a test failed.
3929 (can_use_analyze_subscript_affine_affine): New.
3930 (analyze_siv_subscript): Compute the data dependences on symbolic
3931 scevs that verify can_use_analyze_subscript_affine_affine.
3932 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3933 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3934 Handle symbolic scevs.
3935 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3937 (subscript_dependence_tester): Moved...
3938 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3939 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3940 DDR_SIZE_VECT instead of getting it in parameter.
3941 (subscript_dependence_tester): ... here. Take as a parameter
3942 loop_nest_depth. Call build_classic_dist_vector and
3943 build_classic_dir_vector.
3944 (compute_affine_dependence): Update subscript_dependence_tester
3945 parameters. Update datadep_stats counters. Call
3946 compute_subscript_distance.
3947 (compute_self_dependence): Save the dist and dir vectors. Call
3948 compute_subscript_distance.
3949 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3950 (compute_all_dependences): Reorder parameters as they were before
3951 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3952 compute_subscript_distance. Update the use of
3953 compute_affine_dependence and initialize_data_dependence_relation.
3954 (find_data_references_in_loop): Handle COMPONENT_REF.
3955 (compute_data_dependences_for_loop): Initialize dependence_stats.
3956 Don't call build_classic_dist_vector and build_classic_dir_vector.
3957 Update the parameters of initialize_data_dependence_relation and
3958 compute_all_dependences. Print the statistics from datadep_stats.
3959 (analyze_all_data_dependences): Static. Not used until the pass for
3960 checking the data dependences is contributed.
3961 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3962 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3963 (initialize_data_dependence_relation, compute_affine_dependence,
3964 analyze_all_data_dependences, compute_subscript_distance): Removed.
3965 (print_direction_vector): New.
3966 * lambda.h (gcd): ... here.
3967 (lambda_vector_gcd): Moved here from gcd_vector.
3968 * lambda-code.c (gcd, gcd_vector): Removed.
3969 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3970 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3972 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3974 * ipa-type-escape.c: Tidy some comments and white space.
3975 * tree-ssa-operands.c: Likewise.
3977 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3980 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3981 (dump_decl_name): Do not walk the decl tree chains.
3982 * tree-pass.h (TDF_CHAIN): Remove.
3984 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3986 * Makefile.in (C): Remove
3988 (.PHONY): Remove C and PROTO
3990 2006-02-20 Roger Sayle <roger@eyesopen.com>
3993 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3994 deprecated CHAR_TYPE tree code.
3996 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3998 * configure.ac (target_list): Add install-info, dvi, html.
3999 * configure: Regenerate.
4001 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4002 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4003 treelang/Make-lang.in: Do not use double-colon rules.
4005 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4007 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4008 (TMT_USED_ALONE): New macro.
4009 * tree-pass.h (PROP_tmt_usage): New property.
4010 (TODO_update_tmt_usage): New todo.
4011 * tree-ssa-alias.c (updating_used_alone): New variable.
4012 (recalculate_used_alone): New function.
4013 (compute_may_aliases): Set updating_used_alone, call
4014 recalculate_used_alone.
4015 * tree-sra.c (pass_sra): Note that this pass destroys
4016 PROP_tmt_usage, and add TODO_update_tmt_usage.
4017 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4018 * tree-flow.h (updating_used_alone): Prototype.
4019 (recalculate_used_alone): Ditto.
4020 * passes.c (execute_todo): Add code to set updating_used_alone,
4021 and call recalculate.
4022 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4023 for clobber if used alone, and add assert to verify used_alone
4026 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4028 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4029 for non tls symbols added.
4030 (legitimize_address): Do nothing for PLUS expressions if one of the
4031 addends is a tls symbol reference.
4033 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4037 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4039 * Makefile.in (BOOTSTRAPPING): New.
4040 (quickstrap): New definition if BOOTSTRAPPING=yes.
4042 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4043 * configure.ac: Substitute all_selected_languages with the languages
4044 that were configured. For all the other variables except
4045 lang_specs_files, include all the languages in the tree.
4046 * configure: Regenerate.
4048 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4049 if there is one. Run the commands to run fixincludes in the same
4052 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4053 * doc/install.texi: Document exact conventions for searching target tools.
4054 Document --with-build-time-tools. Document toplevel bootstrap. Document
4055 something more about building an Ada cross-compiler. Don't list GNU Make
4056 requirements which affect all platforms.
4058 2006-02-19 Roger Sayle <roger@eyesopen.com>
4061 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4062 only equivalent if the have both the same mode and precision.
4064 2006-02-20 Ben Elliston <bje@au.ibm.com>
4066 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4068 2006-02-19 Roger Sayle <roger@eyesopen.com>
4069 Steven Bosscher <stevenb.gcc@gmail.com>
4071 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4072 constant pool references to identify stack mode constants.
4073 * rtlanal.c (constant_pool_constant_p): New predicate to check
4074 whether operand is a floating point constant in the pool.
4075 * rtl.h (constant_pool_constant_p): Prototype here.
4076 * loop.c (scan_loop): Avoid hoisting constants from the constant
4077 pool on STACK_REGS targets.
4078 (load_mems): Likewise.
4079 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4080 loads into x87 registers expensive in terms of register pressure.
4082 2006-02-19 Roger Sayle <roger@eyesopen.com>
4084 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4085 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4087 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4089 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4090 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4092 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4094 * doc/invoke.texi: Document -fipa-pta.
4095 * common.opt: Add ipa-pta option.
4096 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4097 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4098 (do_ds_constraint): Ditto.
4099 (get_constraint_for): Only add to referenced_vars if
4100 referenced_vars exists.
4101 (insert_into_field_list): Rewrite to do this unsorted.
4102 (insert_into_field_list_sorted): Rename old insert_into_field_list
4104 (create_function_info_for): Use insert_into_field_list_sorted.
4105 (create_variable_info_for): Rewrite so it uses unsorted version,
4106 since the field list is sorted.
4107 (intra_create_variable_infos): Only add to referenced_vars if
4108 referenced_vars exists.
4109 (ipa_pta_execute): Init heapvars, and delete when done.
4110 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4112 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4114 * doc/install.texi: Add missing `@samp'.
4116 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4118 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4121 2006-02-18 Mark Wielaard <mark@klomp.org>
4123 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4124 who added new 4.1 features, bug fixes and integration support.
4126 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4129 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4132 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4134 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4135 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4136 (copy_insn_1): Likewise. Don't copy each field individually.
4138 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4140 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4141 * rtl.c (rtx_size): Rename variable to...
4142 (rtx_code_size): ...this.
4143 (rtx_size): New function.
4144 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4145 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4147 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4148 * rtl.h (rtx_code_size): New variable.
4149 (rtx_size): Change from a variable to a function.
4150 (RTX_SIZE): Rename to...
4151 (RTX_CODE_SIZE): ...this.
4154 PR tree-optimization/17106
4155 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4156 (Anchored Addresses): New section.
4157 * doc/invoke.texi (-fsection-anchors): Document.
4158 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4159 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4160 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4161 * hooks.c (hook_bool_mode_rtx_false): New function.
4162 * hooks.h (hook_bool_mode_rtx_false): Declare.
4163 * gengtype.c (create_optional_field): New function.
4164 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4165 SYMBOL_REF_IN_BLOCK_P is true.
4166 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4167 (min_anchor_offset, max_anchor_offset): Likewise.
4168 (use_anchors_for_symbol_p): New hook.
4169 * toplev.c (compile_file): Call output_object_blocks.
4170 (target_supports_section_anchors_p): New function.
4171 (process_options): Check that -fsection-anchors is only used on
4172 targets that support it and when -funit-at-a-time is in effect.
4173 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4174 if the decl doesn't have one.
4175 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4176 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4177 of force_const_mem through use_anchored_address.
4178 (expand_expr_constant): New function.
4179 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4180 calling expand_expr for INDIRECT_REF.
4181 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4182 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4183 * expr.h (use_anchored_address): Declare.
4184 * loop-unroll.c: Don't declare rtx vectors here.
4185 * explow.c: Include output.h.
4186 (validize_mem): Call use_anchored_address.
4187 (use_anchored_address): New function.
4188 * common.opt (-fsection-anchors): New switch.
4189 * varasm.c (object_block_htab, anchor_labelno): New variables.
4190 (hash_section, object_block_entry_eq, object_block_entry_hash)
4191 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4192 (use_blocks_for_decl_p, change_symbol_section): New functions.
4193 (get_variable_section): New function, split out from assemble_variable.
4194 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4195 use_blocks_for_decl_p say so. Use change_symbol_section if the
4196 symbol has already been created.
4197 (assemble_variable_contents): New function, split out from...
4198 (assemble_variable): ...here. Don't output any code for
4199 block symbols; just pass them to place_block_symbol.
4200 Use get_variable_section and assemble_variable_contents.
4201 (get_constant_alignment, get_constant_section, get_constant_size): New
4202 functions, split from output_constant_def_contents.
4203 (build_constant_desc): Create a block symbol if use_object_blocks_p
4204 says so. Or into SYMBOL_REF_FLAGS.
4205 (assemble_constant_contents): New function, split from...
4206 (output_constant_def_contents): ...here. Don't output any code
4207 for block symbols; just pass them to place_section_symbol.
4208 Use get_constant_section and get_constant_alignment.
4209 (force_const_mem): Create a block symbol if use_object_blocks_p and
4210 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4211 (output_constant_pool_1): Add an explicit alignment argument.
4212 Don't switch sections here.
4213 (output_constant_pool): Adjust call to output_constant_pool_1.
4214 Switch sections here instead. Don't output anything for block symbols;
4215 just pass them to place_block_symbol.
4216 (init_varasm_once): Initialize object_block_htab.
4217 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4218 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4219 (place_block_symbol, get_section_anchor, output_object_block)
4220 (output_object_block_htab, output_object_blocks): New functions.
4221 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4222 (TARGET_ASM_OUT): Include it.
4223 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4224 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4225 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4226 (TARGET_INITIALIZER): Include them.
4227 * rtl.c (rtl_check_failed_block_symbol): New function.
4228 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4229 (block_symbol, object_block): New structures.
4230 (rtx_def): Add a block_symbol field to the union.
4231 (BLOCK_SYMBOL_CHECK): New macro.
4232 (rtl_check_failed_block_symbol): Declare.
4233 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4234 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4235 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4236 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4237 * output.h (output_section_symbols): Declare.
4238 (object_block): Name structure.
4239 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4240 (default_use_anchors_for_symbol_p): Declare.
4241 * Makefile.in (RTL_BASE_H): Add vec.h.
4242 (explow.o): Depend on output.h.
4243 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4244 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4245 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4246 (rs6000_use_blocks_for_constant_p): New function.
4248 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4250 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4252 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4255 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4258 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4260 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4264 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4267 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4268 instead of DECL_REGISTER.
4270 2006-02-18 Olivier Hainque <hainque@adacore.com>
4273 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4275 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4278 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4279 * opth-gen.awk: Handle Var and InverseMask together.
4280 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4281 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4282 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4283 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4285 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4286 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4287 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4288 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4289 LINUX_DYNAMIC_LINKER): Define.
4290 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4291 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4293 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4294 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4295 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4297 (TARGET_C99_FUNCTIONS): Don't define.
4298 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4299 GLIBC_DYNAMIC_LINKER.
4300 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4301 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4302 GLIBC_DYNAMIC_LINKER64): Define.
4303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4304 LINUX_DYNAMIC_LINKER64.
4305 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4307 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4309 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4311 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4312 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4313 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4314 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4315 and LINUX_DYNAMIC_LINKER32.
4316 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4318 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4320 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4322 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4323 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4324 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4325 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4326 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4327 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4328 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4329 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4330 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4331 LINUX_DYNAMIC_LINKER): Define.
4332 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4333 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4334 GLIBC_DYNAMIC_LINKER64): Define.
4335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4336 LINUX_DYNAMIC_LINKER64.
4337 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4338 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4339 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4340 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4341 LINUX_DYNAMIC_LINKER): Define.
4342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4343 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4344 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4345 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4346 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4347 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4348 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4349 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4350 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4351 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4352 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4353 * doc/invoke.texi (-muclibc): Remove caveat about supported
4356 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4358 * doc/cpp.texi (__TIMESTAMP__): Document.
4360 2006-02-17 Roger Sayle <roger@eyesopen.com>
4363 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4364 C is one less than the width of X (and related transformations).
4365 * simplify-rtx.c (simplify_unary_operation_1): Transform
4366 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4367 depending on STORE_FLAG_VALUE, were C is one less then the
4370 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4372 Fix PR tree-optimization/26341
4373 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4374 about NAME_MEMORY_TAG's.
4376 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4379 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4380 with hardware float support, and software float support. Add fcpy
4381 alternative to hardware patterns. Add alternatives to copy between
4382 general and floating-point registers to the 32-bit pattern.
4383 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4384 secondary reload to load a QI or HI mode constant into a floating
4386 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4387 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4389 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4392 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4394 (load_macho_picbase_di): Likewise.
4396 2006-02-16 Jeff Law <law@redhat.com>
4398 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4399 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4400 (ssa_name_nonzero_p): Likewise.
4401 (get_value_range): Return NULL if VRP is not running.
4402 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4403 VRP routines do not discover a range.
4404 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4405 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4406 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4407 (tree_expr_nonnegative_p): Similarly.
4408 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4409 (restore_nonzero_vars_to_original_value): Remove.
4410 (unsafe_associative_fp_binop): Remove.
4411 (tree_ssa_dominator_optimize): Remove initialization and
4412 finalization of nonzero_vars and nonzero_vars_stack.
4413 (dom_opt_initialize_block): No longer push marker on
4415 (dom_opt_finalize_block): No longer call
4416 restore_nonzero_vars_to_original_value.
4417 (record_equivalences_from_phis): No longer look for
4418 nonzero PHI arguments.
4419 (cprop_into_successor_phis): No longer propagate nonzero
4420 property into PHI arguments. Lose unused argument. Caller
4422 (record_equivalences_from_stmt): No longer record nonzero
4423 values for SSA_NAMEs.
4424 (lookup_avail_expr): No longer use nonzero_vars.
4426 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4427 for sizetype when sizetype is unsigned.
4429 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4431 PR rtl-optimization/25603
4432 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4433 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4434 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4435 with new meaning of SETS.
4437 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4442 * config/linux.opt: New file.
4443 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4444 LINUX_DYNAMIC_LINKER): Define.
4445 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4446 * config.gcc (*-*-linux*): Define extra_options.
4447 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4448 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4449 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4450 GLIBC_DYNAMIC_LINKER.
4451 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4452 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4453 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4454 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4455 * doc/invoke.texi (GNU/Linux Options): New section.
4457 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4459 * config/sparc/sparc.md (setjmp): Rewrite.
4460 (setjmp_32): Delete.
4461 (setjmp_64): Likewise.
4463 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4465 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4468 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4470 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4473 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4475 PR rtl-optimization/26296
4476 * Makefile.in (loop-invariant.c): Add except.h dependency.
4477 * loop-invariant.c: Include except.h.
4478 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4480 2005-02-16 Paul Brook <paul@codesourcery.com>
4482 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4485 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4487 PR rtl-optimization/25636
4488 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4489 when deciding whether an insn is an initializing insn.
4491 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4493 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4494 (tree_code_size): Ditto.
4495 * tree.h (struct tree_memory_tag): Remove parent_var.
4496 (struct tree_struct_field_tag): New.
4499 (union tree_node): Add sft member.
4500 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4502 (create_sft): Add size and offset argument, set SFT_OFFSET and
4504 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4505 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4506 * tree-flow-inline.h (get_subvar_at): Update for
4507 SFT_OFFSET/SFT_SIZE.
4508 (var_can_have_subvars): Ditto.
4509 (overlap_subvar): Ditto.
4510 * print-tree.c (print_node): Print out interesting things for
4512 * tree-flow.h (struct subvar): Remove offset and size members.
4513 * tree-ssa-operands.c (get_expr_operands): Update for
4514 get_indirect_ref_operands changes.
4515 (get_indirect_ref_operands): Call add_virtual_operand instead of
4516 add_stmt_operand. Only recurse on base var if requested.
4517 (access_can_touch_variable): New function.
4518 (add_stmt_operand): Split virtual operand handling into ...
4519 (add_virtual_operand): Here. Add offset, size, and for_clobber
4520 arguments. Prune alias sets.
4521 (add_call_clobber_ops): Call add_virtual_operand.
4523 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4526 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4528 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4529 than TREE_CODE as index into omp_clause_num_ops array.
4531 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4533 PR rtl-optimization/26184
4534 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4536 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4537 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4538 must_precede, must_follow and tobe_scheduled.
4541 * opts.c (common_handle_option): Free new_option pointer.
4542 * df-core.c (df_analyze): Free postorder pointer.
4544 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4546 * Makefile.in: Fix the examples about the use of stamps
4548 2006-02-15 Michael Matz <matz@suse.de>
4552 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4553 influenced by maximum_field_alignment or DECL_PACKED.
4554 (update_alignment_for_field): Ditto.
4555 (place_field): Ditto.
4556 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4559 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4561 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4562 (debug_flow_info): Pass it.
4563 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4564 * bb-reorder.c (reorder_basic_blocks): Likewise.
4565 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4566 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4567 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4568 * gcse.c (gcse_main, bypass_jumps): Likewise.
4569 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4570 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4571 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4572 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4573 * rtl.h (dump_flow_info): Adjust prototype.
4574 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4575 * var-tracking.c (variable_tracking_main): Likewise.
4576 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4577 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4580 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4582 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4585 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4587 PR tree-optimization/26209
4588 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4589 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4591 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4593 2006-02-14 Roger Sayle <roger@eyesopen.com>
4596 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4597 (X,Y) and the corresponding symmetry related transformations.
4598 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4599 (X,Y) and its symmetry related transformations.
4601 2006-02-14 Roger Sayle <roger@eyesopen.com>
4603 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4606 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4608 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4610 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4613 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4614 support COMDAT group.
4615 * configure: Regenerate.
4617 2006-02-14 Roger Sayle <roger@eyesopen.com>
4622 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4624 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4626 Fix PR tree-optimization/26260
4628 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4630 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4631 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4632 * tree-ssa-structalias.c (create_variable_info_for): Use
4633 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4635 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4637 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4639 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4640 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4641 of the ending condition.
4642 * tree-ssa-loop-manip.c: Include params.h.
4643 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4644 tree_unroll_loop): New functions.
4645 * tree-pass.h (pass_loop_prefetch): Declare.
4646 * loop.c (rest_of_handle_loop_optimize): Test for
4647 -fprefetch-loop-arrays-rtl.
4648 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4649 * timevar.def (TV_TREE_PREFETCH): New timevar.
4650 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4651 pass_loop_prefetch): New.
4652 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4653 (cleanup_tree_cfg_loop): Call scev_reset.
4654 * common.opt (fprefetch-loop-arrays-rtl): Add.
4655 * tree-ssa-loop-prefetch.c: New file.
4656 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4657 (new_temp_expr_table): Initialize expr_vars.
4658 (free_temp_expr_table): Cleanup expr_vars.
4659 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4660 expressions from being merged into one.
4661 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4662 (struct tree_niter_desc): Add control, bound and cmp fields.
4663 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4665 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4666 (tree-cfgcleanup.o): Add SCEV_H dependency.
4667 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4668 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4670 2006-02-14 Richard Guenther <rguenther@suse.de>
4672 PR tree-optimization/26258
4673 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4674 in PHI argument processing.
4676 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4678 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4679 new expression in the requested machine mode.
4681 2006-02-13 Roger Sayle <roger@eyesopen.com>
4683 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4684 directly, instead let do_compare_rtx_and_jump handle this for us.
4685 * expr.c (expand_expr_real_1): Likewise.
4686 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4687 before do_jump_by_parts_greater.
4688 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4689 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4691 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4693 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4695 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4697 PR rtl-optimization/26235
4698 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4699 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4702 2006-02-13 Jeff Law <law@redhat.com>
4704 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4707 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4710 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4711 twice if decl is a builtin. When trying again, call get_callee_fndecl
4712 first to verify it is still a builtin.
4714 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4716 * dwarf2out.c (base_type_die): Don't add AT_name here.
4717 (subrange_type_die): Don't add AT_name here.
4718 (modified_type_die): Rearrange code flow. Do add AT_name here.
4720 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4722 PR rtl-optimization/26247
4723 PR rtl-optimization/26248
4724 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4726 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4728 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4729 * config/fixtfdi.c: Likewise.
4730 * config/fixunstfdi.c: Likewise.
4731 * config/floatditf.c: Likewise.
4733 2006-02-13 Roger Sayle <roger@eyesopen.com>
4736 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4737 into (X,C2) if C1 is a subset of the bits of C2. Transform
4738 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4740 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4742 2006-02-13 Josh Conner <jconner@apple.com>
4745 * varasm.c (function_section): Check for section name before
4746 calling select_section on targets that define
4747 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4748 unlikely_text_section instead of hot_function_section if
4749 first_function_block_is_cold.
4751 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4754 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4756 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4758 PR rtl-optimization/26222
4759 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4760 after tree->rtl expansion.
4761 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4762 before passing it to emit_move_insn.
4764 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4766 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4768 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4769 Clarify documentation.
4770 * c-common.h (warn_write_strings): Remove.
4771 * c-common.c (warn_write_strings): Likewise.
4772 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4775 2006-02-12 Roger Sayle <roger@eyesopen.com>
4778 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4779 (do_jump_parts_zero_rtx): New function renamed from
4780 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4781 (do_jump_parts_equality_rtx): New function split out from
4782 do_jump_parts_equality. Old implementation renamed as above.
4783 Call do_jump_parts_zero_rtx if either operand is zero.
4784 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4785 do all of the heavy lifting.
4786 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4787 calling either do_jump_by_parts_greater_rtx or
4788 do_jump_by_parts_equality_rtx.
4789 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4790 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4791 moved to do_compare_rtx_and_jump, call it directly.
4792 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4793 mode argument. Call do_compare_rtx_and_jump.
4794 (emit_case_nodes): Update calls to do_jump_if_equal.
4796 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4798 PR rtl-optimization/26225
4799 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4801 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4803 PR rtl-optimization/26232
4804 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4806 2006-02-11 Jason Merrill <jason@redhat.com>
4809 * tree-inline.c (declare_return_variable): Just don't use the
4810 modify target if it's a gimple complex reg and the return slot
4813 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4815 * doc/contrib.texi: Update my entry.
4817 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4819 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4821 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4823 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4826 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4828 * doc/invoke.texi (-floop-optimize2): Removed.
4829 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4830 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4831 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4832 * common.opt (floop-optimize2): Removed.
4833 (fmove-loop-invariants): Enabled by default.
4835 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4837 * tree-if-conv.c (combine_blocks): Free the result of
4838 get_loop_exit_edges.
4840 2006-02-10 Jeff Law <law@redhat.com>
4842 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4844 PR tree-optimization/26213
4845 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4846 loop trying to follow SSA_NAME_VALUE chains.
4848 2006-02-10 Richard Guenther <rguenther@suse.de>
4850 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4851 deal with structures that end in implicitly variable sized arrays.
4853 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4855 PR rtl-optimization/24762
4856 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4859 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4861 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4862 (struct ivopts_data): Add regs_used field.
4863 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4864 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4865 instead of loop_data->regs_used;
4866 (free_loop_data): Do not free aux fields for loops.
4867 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4868 and tree_ssa_iv_optimize_finalize.
4870 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4872 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4874 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4877 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4878 computing the effective result type.
4880 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4883 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4884 (tree_overlaps_hard_reg_set): Declare.
4885 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4886 type and signature to match function type expected by walk_tree.
4887 (tree_overlaps_hard_reg_set): New function.
4888 (decl_conflicts_with_clobbers_p): Rename to:
4889 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4890 Use tree_overlaps_hard_reg_set. Changed caller.
4891 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4892 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4893 * cris.c (cris_md_asm_clobbers): Likewise.
4895 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4897 * reload1.c (emit_input_reload_insns): Delete code that tries to
4898 inherit using find_equiv_reg.
4900 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4902 * c-common.h (flag_const_strings): Don't declare.
4903 * c-common.c (flag_const_strings): Remove.
4904 * c.opt (fconst_strings): Remove.
4905 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4906 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4907 (c_common_init_options): Don't set flag_const_strings.
4908 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4910 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4912 * arm.md (tlobits_cbranch): New pattern.
4913 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4914 testing a single bit.
4916 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4919 * tree-ssa-pre.c (create_component_ref_by_pieces):
4920 Handle RETURN_DECL like VAR_DECL.
4922 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4925 * fold-const.c (fold_indirect_ref_1): Fold
4926 "*(foo *)&complexfoo" to "__real__ complexfoo"
4927 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4929 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4931 * tree-flow-inline.h (var_can_have_subvars):
4932 Volatile variables should not have subvariables.
4934 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4937 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4938 multiplying unsigned values.
4941 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4943 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4945 2006-02-08 Jason Merrill <jason@redhat.com>
4948 * tree.def: Elaborate on difference from MODIFY_EXPR.
4949 * doc/c-tree.texi (INIT_EXPR): Likewise.
4950 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4951 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4952 (gimplify_target_expr): Likewise.
4953 (gimplify_cond_expr): Remove target handling.
4954 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4955 (gimplify_expr): Clobber it here.
4956 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4957 Do return slot optimization if we have an INIT_EXPR.
4960 * tree-inline.c (declare_return_variable): Also clear
4961 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4964 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4967 * gimplify.c (gimplify_one_sizepos): Fix typo.
4969 2006-02-08 Jeff Law <law@redhat.com>
4971 PR tree-optimization/21417
4972 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4973 across a backedge if the control statement at the end of the
4974 block is data dependent on other statements in the same block.
4975 (record_temporary_equivalences_from_stmts): Remove over-conservative
4976 test for threading across backedges.
4978 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4979 control statement, handle all three special cases in the same
4980 manner as they all have the same desired solution. No longer
4981 special case edge flag updating when the post dominator is
4984 2006-02-08 Roger Sayle <roger@eyesopen.com>
4986 * tree.def (CHAR_TYPE): Remove.
4987 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4988 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4989 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4990 (gen_string_type_die): Delete unreachable function.
4992 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4993 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4994 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4995 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4996 * builtins.c (type_to_class): Likewise.
4997 * fold-const.c (fold_convert, build_range_check,
4998 merge_ranges): Likewise.
4999 * expr.c (count_type_elements): Likewise.
5000 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5001 * stor-layout.c (layout_type): Likewise.
5002 * ipa-type-escape.c (type_to_consider): Likewise.
5003 * gimplify.c (omp_firstprivatize_type_sizes,
5004 gimplify_type_sizes): Likewise.
5005 * explow.c (promote_mode): Likewise.
5006 * tree-sra.c (is_sra_scalar_type): Likewise.
5007 * varasm.c (output_constant): Likewise.
5008 * tree-inline.c (remap_type_1): Likewise.
5009 * convert.c (convert_to_pointer, convert_to_real,
5010 convert_to_integer, convert_to_complex): Likewise.
5012 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5014 * df-scan.c (df_def_record_1): A set destination may
5015 be a parallel regardless of mode.
5017 2006-02-08 Roger Sayle <roger@eyesopen.com>
5020 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5021 * config/mips/_tilib.c: Remove.
5022 * config/fixtfdi.c: New libgcc source file.
5023 * config/fixunstfdi.c: New source file.
5024 * config/floatditf.c: New source file.
5025 * config/floatunditf.c: New souce file.
5026 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5027 files above instead of config/mips/_tilib.c.
5028 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5030 2006-02-08 Jeff Law <law@redhat.com>
5032 PR tree-optimization/26169
5033 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5036 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5038 * df.h (DF_REG_SIZE): Return the length of the initialized
5041 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5043 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5044 __muldf3): Return a correctly signed zero.
5046 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5048 * passes.c (register_one_dump_file): Accept the current properties
5049 instead of pass number. Adjust call to dump_register. Remove
5051 (register_dump_files): Now a wrapper around...
5052 (register_dump_files_1): ... this one. Do not modify the pass
5054 (next_pass_1): Cosmetic fix.
5055 (execute_todo): Keep second parameter only. Use curr_properties
5056 instead of fetching it from the pass structure. Check and set
5058 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5059 instead of fetching it from the pass structure. Fix calls to
5060 execute_todo. Update curr_properties and initialize .vcg RTL dump
5061 after running the pass. Reset last_verified.
5062 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5064 (FIRST_AUTO_NUMBERED_DUMP): New.
5065 (dump_register): Remove "num" parameter, assign it within the
5067 (get_dump_file_name): Modify template for dumps.
5068 * tree-dump.h (dump_register): Adjust prototype.
5069 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5070 (PROP_trees): Add PROP_gimple_lomp.
5071 (TODO_set_props): New.
5072 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5073 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5074 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5076 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5078 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5079 (sparc64-*-linux*): Likewise.
5080 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5081 * config/sparc/t-linux: New file.
5082 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5083 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5084 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5085 -m32 -mlong-double-128.
5087 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5088 * config/alpha/t-linux: New file.
5089 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5091 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5092 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5093 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5094 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5095 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5096 (CPP_ARCH32_SPEC): Remove.
5098 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5100 PR tree-optimization/26145
5101 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5104 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5107 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5108 >= 240000 when generating code for SOM runtime.
5109 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5110 to $$dyncall when generating code for SOM runtime..
5112 2006-02-07 Dirk Mueller <dmueller@suse.com>
5115 * doc/invoke.texi (-Wsequence-point): Update documentation
5116 that -Wsequence-point is implemented for C++ as well.
5118 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5120 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5121 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5122 (LIB_SPEC): Likewise.
5123 * doc/invoke.texi (SPARC options): Document -pthread.
5125 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5127 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5130 2006-02-07 Roger Sayle <roger@eyesopen.com>
5132 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5133 Correct comment describing BOOLEAN_TYPE.
5135 2006-02-07 Dirk Mueller <dmueller@suse.com>
5137 * c.opt: C++ frontend supports -Wdiv-by-zero.
5138 * c-opts.c (c_common_handle_option): Remove dead case.
5140 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5142 * configure.ac (TLS assembler check): Do not enable TLS by
5143 default on SPARC/Solaris before version 10.
5144 * configure: Regenerate.
5146 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5148 * doc/invoke.texi (xl-compat): Document conversion and support
5151 2006-02-07 Jeff Law <law@redhat.com>
5153 * tree-vrp.c (find_conditional_asserts): Update comments.
5154 (simplify_stmt_for_jump_threading): New.
5155 (identify_jump_threads, finalize_jump_threads): New.
5156 (vrp_finalize): Call identify_jump_threads.
5157 (execute_vrp): Call finalize_jump_threads.
5158 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5159 (vrp_element, vrp_data, vrp_element_p): Remove.
5160 (vrp_hash_elt, vrp_variables_stack): Remove.
5161 (vrp_hash, vrp_eq, record_range): Remove.
5162 (simplify_cond_and_lookup_avail_expr): Remove.
5163 (extract_range_from_cond): Remove.
5164 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5165 (simplify_stmt_for_jump_threading): New.
5166 (dom_thread_across_edge): New wrapper.
5167 (tree_ssa_dominator_optimize): No longer initialize or
5168 finalize any of the VRP datastructures. Remove iteration
5169 step and simplify as a result of removal of iteration step.
5170 (pass_dominator): Perform a cfg cleanup after DOM.
5171 (dom_opt_finalize_block): Use the new common routines
5172 for threading jumps. Simplify stack management slightly.
5173 No longer need to unwind VRP state.
5174 (record_equivalences_from_incoming_edge): No longer record
5176 (eliminate_redundant_computations): No longer call
5177 simplify_cond_and_lookup_avail_expr.
5178 * tree-flow.h (potentially_threadable_block): Prototype.
5179 (thread_across_edge): Likewise.
5180 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5181 (tree-ssa-threadedge.o): Add dependencies.
5182 * tree-ssa-threadedge.c: New file.
5183 * passes.c (init_optimization_passes): Merge PHIs before
5184 calling VRP. Run VRP again late in the SSA optimization pipeline.
5186 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5188 * df-core.c (df_set_blocks): Do not dereference function pointers.
5189 (df_finish1): Likewise.
5190 (df_hybrid_search_forward): Likewise.
5191 (df_hybrid_search_backward): Likewise.
5192 (df_iterative_dataflow): Likewise.
5193 (df_analyze_problem): Likewise.
5194 (df_compact_blocks): Likewise.
5195 (df_dump): Likewise.
5196 * df-scan.c (df_rescan_blocks): Likewise.
5197 (df_record_entry_block_defs): Likewise.
5199 * genconditions.c (write_conditions): Guard the definition of
5200 'insn_conditions' with the check on GCC version.
5201 (write_writer): Guard the traversal 'insn_conditions' with
5202 the check on GCC version.
5204 2006-02-07 Richard Guenther <rguenther@suse.de>
5208 2006-01-30 Richard Guenther <rguenther@suse.de>
5210 * gimplify.c (gimplify_target_expr): Handle easy cases
5211 without creating a temporary.
5213 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5215 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5216 use of float in probability computations. Use edge probabilities
5217 in place of statically computed probabilities.
5218 (min_spec_prob): New static variable.
5219 (schedule_insns): Initialize it.
5220 (GET_SRC_PROB): Removed.
5221 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5223 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5226 * config/ia64/unwind-ia64.c: Revert last change.
5227 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5228 (INCOMING_FRAME_SP_OFFSET): Define.
5230 2006-02-06 Roger Sayle <roger@eyesopen.com>
5232 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5234 2006-02-07 Ben Elliston <bje@au.ibm.com>
5236 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5237 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5238 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5239 (ix86_return_in_memory): Handle TDmode.
5240 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5241 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5243 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5245 * reorg.c (dbr_schedule): Use dump_file instead of file.
5247 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5250 * config/ia64/predicates.md (extr_len_operand): New predicate.
5251 * config/ia64/ia64.md (extv): Tighten constraints.
5253 (*tbit_and_2): Ditto.
5254 (*tbit_and_3): Ditto.
5255 (*tbit_or_2): Ditto.
5256 (*tbit_or_3): Ditto.
5260 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5263 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5265 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5267 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5268 loop_optimizer_init and loop_optimizer_finalize
5269 * tree-ssa-sink.c (execute_sink_code): Ditto.
5270 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5271 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5272 tree_ssa_loop_done): Ditto.
5273 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5274 * sched-ebb.c: Include output.h.
5275 (schedule_ebbs): Do not use dump argument.
5276 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5277 * loop.c (loop_dump_stream): Removed.
5278 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5280 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5281 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5282 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5283 loop_iterations, strength_reduce, record_biv, record_giv,
5284 final_giv_value, check_final_value, check_ext_dependent_givs,
5285 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5286 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5287 dump_file instead of loop_dump_stream.
5288 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5290 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5292 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5293 * haifa-sched.c: Include output.h
5294 (schedule_insns, sched_init): Do not use dump argument.
5295 * mode-switching.c (optimize_mode_switching): Ditto.
5296 * modulo-sched.c (stats_file): Removed.
5297 (print_node_sched_params): Do not call argument dump_file.
5298 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5299 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5301 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5303 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5304 rtl_loop_init, rtl_loop_done): Ditto.
5305 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5306 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5308 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5309 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5310 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5311 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5312 * emit-rtl.c (renumber_insns): Ditto.
5313 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5314 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5315 * regclass.c (regclass): Ditto.
5316 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5317 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5318 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5319 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5321 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5322 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5324 * gcse.c (gcse_file, debug_stderr): Removed.
5325 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5326 rest_of_handle_gcse): Do not use dump argument.
5327 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5328 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5329 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5330 compute_code_hoist_vbeinout, compute_code_hoist_data,
5331 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5332 compute_store_table, build_store_vectors, insert_insn_start_bb,
5333 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5334 store_motion): Use dump_file instead of gcse_file.
5335 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5336 * profile.c (profile_dump_file): Removed.
5337 (branch_prob): Use dump_file instead of profile_dump_file.
5338 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5340 * tree-ssa-copy.c (dump_copy_of): Ditto.
5341 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5342 dump file to life_analysis.
5343 * bt-load.c (branch_target_load_optimize): Ditto.
5344 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5346 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5347 regclass, dbr_schedule): Declaration changed.
5348 * sched-int.h (sched_init): Declaration changed.
5349 * tree-profile.c (tree_profile_dump_file): Removed.
5350 (tree_profile_hooks): Removed profile_dump_file hook.
5351 * rtl-profile (rtl_profile_dump_file): Removed.
5352 (rtl_profile_hooks): emoved profile_dump_file hook.
5353 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5355 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5356 * tree-cfg.c (build_tree_cfg): Ditto.
5357 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5358 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5359 Declaration changed.
5360 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5361 life_analysis and schedule_insns.
5362 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5364 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5366 * config/mips/mips.c (mips_reorg): Ditto.
5367 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5370 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5372 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5373 (s390_mangle_fundamental_type): New.
5374 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5377 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5378 (alpha_mangle_fundamental_type): New.
5379 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5382 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5384 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5386 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5387 (sparc_mangle_fundamental_type): New.
5389 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5391 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5392 (s390x-*-linux*): Likewise.
5393 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5394 * config/s390/t-linux: New file.
5396 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5398 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5399 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5401 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5403 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5404 (ANTIC_SAFE_LOADS): New macro.
5405 (find_or_generate_expression): Add prototype.
5406 (set_contains_value): Allow null set for sake of not always having
5407 to allocate ANTIC_SAFE_LOADS.
5408 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5409 Allow COMPONENT_REF too.
5410 (valid_in_set): Allow COMPONENT_REF.
5411 Check ANTIC_SAFE_LOADS too.
5412 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5413 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5415 (can_PRE_operation): Add COMPONENT_REF.
5416 (create_component_ref_by_pieces): New function.
5417 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5418 (insert_aux): Move AGGREGATE_TYPE_P check here.
5419 (compute_avail): Set bb local stmt uids.
5420 (pass_pre): Use TODO_update_ssa_only_virtuals.
5422 2006-02-06 Ben Elliston <bje@au.ibm.com>
5424 * configure.ac: Unconditionally disable decimal float by default.
5425 * configure: Regenerate.
5427 2006-02-06 Ben Elliston <bje@au.ibm.com>
5429 * read-rtl.c (read_name): Terminate reading on EOF.
5431 2006-02-06 Ben Elliston <bje@au.ibm.com>
5433 * dfp.c (decimal_real_arithmetic): Change second argument type
5434 from int to enum tree_code. Do not always return true, but now
5435 return result of any call to decimal_do helper functions.
5436 * dfp.h (decimal_real_arithmetic): Update prototype.
5438 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5440 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5442 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5445 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5448 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5450 * tree-vrp.c (cfg_loops): Removed.
5451 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5452 Use current_loops instead of cfg_loops. Pass flags to
5453 loop_optimizer_init.
5454 * cfgloopmanip.c (fix_loop_structure): Update only available
5456 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5457 loop_optimizer_init.
5458 * modulo-sched.c (build_loops_structure): Removed.
5459 (sms_schedule): Use loop_optimizer_init.
5460 * loop-init.c (loop_optimizer_init): Use flags to determine
5461 which properties of loops to prepare.
5462 (rtl_loop_init): Pass flags to loop_optimizer_init.
5463 * tree-ssa-sink.c (execute_sink_code): Ditto.
5464 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5465 * tree-ssa-pre.c (init_pre): Ditto.
5466 * cfgloop.h (LOOPS_NORMAL): New.
5467 (loop_optimizer_init): Declaration changed.
5469 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5471 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5472 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5474 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5476 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5478 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5479 * pa/t-pa64: Delete quadlib.c rule.
5480 * pa/x-ada: Revert last change.
5481 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5483 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5485 PR rtl-optimization/26087
5486 * rtlanal.c (canonicalize_condition): Do not cross basic block
5489 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5492 * config/ia64/ia64.c: Include debug.h.
5493 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5494 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5495 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5496 (process_epilogue, process_set, process_for_unwind_directive):
5497 Output unwind info only if requested. Add CFA info if requested.
5498 Add new arguments as needed. Adjust callers.
5499 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5501 (DWARF2_FRAME_INFO): Define to zero.
5502 * config/ia64/unwind-ia64.c: Remove code that compensated for
5503 the CFA offset error fixed above.
5504 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5505 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5506 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5507 -funwind-tables and -fexceptions to enable frame info.
5508 (dwarf2out_frame_init): Define initial CFA even if
5509 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5510 DWARF2_UNWIND_INFO is nonzero, not just defined.
5511 (dwarf2out_frame_finish): Output non-EH call frame info only
5512 if DWARF2_FRAME_INFO is nonzero.
5513 (convert_cfa_to_loc_list,
5514 compute_frame_pointer_to_cfa_displacement): Define even if
5515 unwind info is not supported.
5516 (gen_subprogram_die): Use the above unconditionally. Remove
5517 legacy alternate code.
5518 * toplev.c (compile_file): Compile in call to
5519 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5520 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5522 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5523 Jakub Jelinek <jakub@redhat.com>
5525 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5526 IBM extended float format long double as "g" on powerpc*-linux.
5528 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5531 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5532 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5534 2006-02-03 Jason Merrill <jason@redhat.com>
5537 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5540 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5541 on the return slot if it's an NRV.
5543 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5545 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5546 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5547 rewrite_use): Do not handle USE_OUTER.
5548 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5549 add_iv_outer_candidates, may_replace_final_value,
5550 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5551 (find_interesting_uses_op): Functionality of
5552 find_interesting_uses_outer_or_nonlin moved here.
5553 (find_interesting_uses_outside): Use find_interesting_uses_op.
5555 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5558 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5560 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5561 Ulrich Weigand <uweigand@de.ibm.com>
5564 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5565 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5566 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5567 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5569 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5570 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5571 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5572 Define secondary reloads for TFmode moves.
5573 (constant_modes): Add TFmode.
5574 (NR_C_MODES): Set to 8.
5575 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5577 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5578 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5579 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5580 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5581 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5582 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5583 (FPR mode macro): Add TFmode.
5584 (DSF mode macro): New.
5585 (<de>, <dee> mode attributes): Removed.
5586 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5587 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5588 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5589 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5590 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5591 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5592 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5593 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5594 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5595 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5596 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5597 "*negabs<mode>2", "sqrt<mode>2"):
5598 Changed <de> to <xde>. R constraint replaced by <Rf>.
5599 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5601 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5602 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5603 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5605 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5606 "extenddftf2", "extendsftf2"): New expanders.
5607 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5608 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5609 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5610 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5612 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5613 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5614 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5615 __floatditf): Add a GCC_4.1.0 symbol version tag.
5616 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5619 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5622 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5623 Use targetm.binds_local_p instead of TREE_PUBLIC.
5625 2006-02-02 Roger Sayle <roger@eyesopen.com>
5627 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5628 on INTEGER_TYPEs to indicate that it denotes a character type.
5629 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5630 signed_char_type_node, unsigned_char_type_node and char_type_node.
5631 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5632 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5633 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5635 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5636 Daniel Berlin <dberlin@dberlin.org>
5638 * tree-tailcall.c (arg_needs_copy_p): New function.
5639 (eliminate_tail_call): Use arg_needs_copy_p.
5640 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5641 (add_virtual_phis): New function.
5643 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5645 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5646 #ignore instead of #scratch for %g7 .register directive.
5648 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5650 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5653 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5655 * flow.c (calculate_global_regs_live): Assert that there aren't any
5658 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5660 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5662 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5663 bsi_after_labels iterator.
5664 * tree-if-conv.c (find_phi_replacement_condition,
5665 replace_phi_with_cond_modify_expr): Likewise.
5666 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5667 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5669 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5671 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5673 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5676 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5677 array after growing it.
5679 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5682 * fold-const.c (fold_checksum_tree): Change type of buf.
5684 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5686 * reload.c (push_secondary_reload): Initialize t_icode.
5688 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5690 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5691 -msoft-float -mlong-double-128 only issue a warning, but don't
5692 swich to DFmode long double.
5694 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5696 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5697 has a constant equivalent, iterate over equivalents for arg0,
5698 calling simplify_relational_operation and if there's a result
5699 cheaper than X, apply fold_rtx and return the result.
5701 2006-02-01 Jan Hubicka <jh@suse.cz>
5703 * opts.c (no_unit_at_a_time_default): New global variable.
5704 (decode_options): Use it.
5705 * opts.h (no_unit_at_a_time_default): Declare.
5707 2006-02-01 Paul Brook <paul@codesourcery.com>
5709 * function.c (assign_parm_setup_reg): Use function argument promotion
5711 * expr.c (expand_expr_real_1): Use function argument promotion rules
5714 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5716 * gcc.c (process_command): Change j to 'unsigned int'.
5718 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5721 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5722 Use the corrected index for the character
5723 out of the string constant.
5725 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5727 * mode-switching.c (optimize_mode_switching): Fix size
5728 allocated for bb_info[n_entities].
5730 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5732 * gcc.c (main): Correct type that is allocated for
5733 explicit_link_files.
5735 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5737 * config/s390/s390.c (init_alignment_context): Set
5738 ALIAS_SET_MEMORY_BARRIER on the MEM.
5739 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5741 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5744 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5746 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5749 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5751 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5752 * regrename.c: Ditto.
5753 * tree-ssa-loop-im.c: Ditto.
5754 * tree-dump.c: Ditto.
5755 * tree-complex.c: Ditto.
5756 * genrecog.c: Ditto.
5757 * tree-ssa-threadupdate.c: Ditto.
5759 * java/class.c: Ditto.
5760 * java/jcf-parse.c: Ditto.
5761 * java/resource.c: Ditto.
5762 * java/except.c: Ditto.
5763 * java/jvspec.c: Ditto.
5764 * java/jcf-write.c: Ditto.
5765 * java/jcf-path.c: Ditto.
5766 * java/gjavah.c: Ditto.
5767 * java/zextract.c: Ditto.
5768 * java/jcf-io.c: Ditto.
5769 * java/jcf.h: Ditto.
5770 * java/buffer.c: Ditto.
5771 * java/lang.c: Ditto.
5772 * java/parse-scan.y: Ditto.
5773 * java/lex.c: Ditto.
5774 * java/lex.h: Ditto.
5775 * cfgloopmanip.c: Ditto.
5776 * postreload-gcse.c: Ditto.
5777 * tree-ssa-loop-manip.c: Ditto.
5778 * postreload.c: Ditto.
5779 * tree-ssa-loop-ch.c: Ditto.
5783 * diagnostic.c: Ditto.
5785 * genoutput.c: Ditto.
5787 * cfghooks.c: Ditto.
5788 * cfgloopanal.c: Ditto.
5789 * objc/objc-act.c: Ditto.
5791 * genextract.c: Ditto.
5792 * genautomata.c: Ditto.
5793 * pretty-print.c: Ditto.
5795 * cgraphunit.c: Ditto.
5798 * haifa-sched.c: Ditto.
5799 * dominance.c: Ditto.
5801 * tree-ssa-loop-ivopts.c: Ditto.
5803 * mode-switching.c: Ditto.
5804 * modulo-sched.c: Ditto.
5806 * ipa-pure-const.c: Ditto.
5808 * fix-header.c: Ditto.
5810 * tree-stdarg.c: Ditto.
5811 * ipa-utils.c: Ditto.
5812 * loop-init.c: Ditto.
5813 * ipa-inline.c: Ditto.
5816 * alloc-pool.c: Ditto.
5817 * dwarf2out.c: Ditto.
5819 * genattrtab.c: Ditto.
5820 * tree-ssa-loop-ivcanon.c: Ditto.
5824 * fortran/gfortranspec.c: Ditto.
5826 * local-alloc.c: Ditto.
5827 * langhooks.c: Ditto.
5828 * function.c: Ditto.
5829 * tree-vectorizer.c: Ditto.
5831 * ipa-type-escape.c: Ditto.
5833 * tree-if-conv.c: Ditto.
5836 * tree-data-ref.c: Ditto.
5837 * loop-unroll.c: Ditto.
5838 * treelang/treetree.c: Ditto.
5841 * ggc-common.c: Ditto.
5843 * coverage.c: Ditto.
5845 * tree-cfgcleanup.c: Ditto.
5846 * tree-ssa-pre.c: Ditto.
5847 * cfgcleanup.c: Ditto.
5848 * loop-invariant.c: Ditto.
5850 * ipa-prop.c: Ditto.
5851 * print-tree.c: Ditto.
5852 * conflict.c: Ditto.
5853 * ggc-page.c: Ditto.
5854 * sched-deps.c: Ditto.
5855 * regclass.c: Ditto.
5856 * tree-object-size.c: Ditto.
5858 * bb-reorder.c: Ditto.
5859 * resource.c: Ditto.
5860 * var-tracking.c: Ditto.
5862 * df-problems.c: Ditto.
5863 * reg-stack.c: Ditto.
5866 * sched-rgn.c: Ditto.
5867 * tree-ssa-structalias.c: Ditto.
5868 * tree-ssa-reassoc.c: Ditto.
5869 * config/darwin-c.c: Ditto.
5870 * config/darwin.c: Ditto.
5871 * config/arm/arm.c: Ditto.
5873 * collect2.c: Ditto.
5876 2006-01-31 Nicolas Pitre <nico@cam.org>
5878 * arm.md (smaxsi3): Make aware of smax_m1.
5881 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5883 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5885 2006-01-31 Richard Guenther <rguenther@suse.de>
5887 * doc/invoke.texi (-msselibm): Document.
5888 * target.h (expand_library_builtin): New target hook.
5889 * builtins.c (expand_builtin): Use expand_library_builtin.
5890 (default_expand_library_builtin): New function.
5891 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5892 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5893 (link_gcc_math_spec): Declare.
5894 (static_specs): Add link_gcc_math_spec.
5895 * expr.h (default_expand_library_builtin): Declare.
5896 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5897 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5898 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5899 * config/i386/i386.opt (msselibm): New target option.
5900 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5901 (ix86_init_sse_abi_builtins): New function.
5902 (ix86_expand_library_builtin): Likewise.
5903 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5904 (override_options): Handle error conditions wrt -msselibm.
5905 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5906 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5907 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5910 2006-01-31 Richard Guenther <rguenther@suse.de>
5911 Paolo Bonzini <bonzini@gnu.org>
5913 * doc/install.texi (--disable-libgcc-math): Document.
5915 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5917 * expr.h (expand_normal): new inline function.
5918 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5920 * dwarf2out.c: use it.
5925 * config/sparc/sparc.c: use it.
5926 * config/i386/i386.c: use it.
5927 * config/rs6000/rs6000.c: use it.
5928 * config/arm/arm.c: use it.
5929 * config/mips/mips.c: use it.
5930 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5932 2006-01-30 Roger Sayle <roger@eyesopen.com>
5934 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5935 argv to the appropriate type.
5937 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5939 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5942 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5945 * config/s390/s390.c (struct machine_function): New flag
5946 decomposed_literal_pool_addresses_ok_p.
5947 (s390_reorg): Set it before final stage of literal pool transforms.
5948 (s390_decompose_address): Only accept displacements of the form
5949 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5951 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5953 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5954 the comparison routine return.
5956 2006-01-30 Michael Matz <matz@suse.de>
5958 * global.c (find_reg): Only evict for global regs.
5959 Take n_refs into account and dump more info.
5961 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5964 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5965 (pragma_trap, pragma_nosave_low_regs): Likewise.
5966 (current_function_anonymous_args): Likewise.
5967 (sh_deferred_function_attributes): New variable.
5968 (sh_deferred_function_attributes_tail): Likewise.
5969 (print_operand): For '@', look up trap_exit attribute.
5970 (calc_live_regs): Look up trapa_handler attribute. For trapa
5971 handlers, save/restore fpscr, but don't do any other
5972 interrupt-specific saves.
5973 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5974 Fix check for partially saved registers to check for SHmedia.
5975 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5976 (sh_output_function_epilogue): Don't clear any of the removed
5978 (sh_insert_attributes): Don't check pragma_interrupt.
5979 Insert deferred attributes. Check that interrupt attribute is
5980 present for other attributes that require its presence.
5981 (sh_attribute_table): Add new attributes trapa_handler and
5983 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5984 Don't check for pragma_interrupt. Don't store argument.
5985 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5986 (sh_deferred_function_attributes): Declare.
5987 (sh_deferred_function_attributes_tail): Likewise.
5988 * sh.md (sp_switch_1): Add operand. Change generator caller.
5989 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5990 (*return_i): Don't use when trap_exit attribute is in effect.
5991 (*return_trapa): New insn pattern.
5993 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5994 setting c_target_objs and cxx_target_objs.
5995 * t-sh: Add rule for sh-c.o.
5997 2006-01-30 Richard Guenther <rguenther@suse.de>
6000 * gimplify.c (gimplify_target_expr): Handle easy cases
6001 without creating a temporary.
6003 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6005 * vec.h (safe_grow): Remove duplicated line.
6007 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6010 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6011 (expand_omp): ... here.
6012 (expand_omp_parallel): Only remove barriers for combined
6013 parallel+workshare constructs.
6015 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6019 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6020 * tree.c (build_qualified_type): Chain the new type to the original
6021 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6022 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6023 (build_pointer_type_for_mode): Only return unqualified types.
6024 (build_reference_type_for_mode): Likewise.
6026 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6028 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6029 * Makefile.in (CXX_COMPAT_WARN): Define.
6030 * configure: Regenerate.
6032 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6035 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6038 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6040 * toplev.c: Fix thinko.
6042 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6043 Marcin Dalecki <martin@dalecki.de>
6045 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6046 (push_srcloc): Use XNEW.
6047 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6049 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6051 * df-core.c (df_set_blocks): Deleted all variable.
6053 2006-01-28 Ian Lance Taylor <ian@airs.com>
6055 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6056 cgraph_output_pending_asms.
6058 2006-01-28 Zack Weinberg <zackw@panix.com>
6060 * c.opt: Add -W(no-)overlength-strings.
6061 * doc/invoke.texi: Document it.
6062 * c-opts.c (c_common_handle_option): -pedantic implies
6063 -Woverlength-strings, if not explicitly disabled already.
6064 (c_common_post_options): -Woverlength-strings defaults to off, and
6065 is always off for C++.
6066 * c-common.c (fix_string_type): Issue warning about strings longer
6067 than is portable only if warn_overlength_strings. Rearrange code
6068 a little for clarity.
6069 * configure.in: Check for -Wno-overlength-strings as well before
6070 enabling -pedantic in stage 1.
6071 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6072 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6074 * genconditions.c (write_header, write_one_condition)
6075 (write_conditions, write_writer): Consolidate very long strings
6076 that were broken up to fit in C89 portable limit. Don't use
6077 printf when fputs will do.
6079 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6081 * combine.c (simplify_comparison <AND>): Check
6082 TRULY_NOOP_TRUNCATION before start using a subreg.
6084 * config/mips/mips.md (*branch_zero<mode>,
6085 *branch_zero<mode>_inverted, *branch_equality<mode>,
6086 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6087 Remove mode check from comparisons.
6089 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6091 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6093 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6095 * expmed.c (const_mult_add_overflow_p): Remove.
6096 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6098 * recog.c (validate_replace_rtx_subexp): Remove.
6099 * recog.h: Remove the prototype for
6100 validate_replace_rtx_subexp.
6102 * integrate.h: Remove the prototype for
6103 copy_decl_for_inlining.
6104 * rtl.h: Remove the prototype for mark_constant_function.
6105 * tree-vectorizer.h: Remove the prototype for
6106 vect_strip_conversion.
6108 * modulo-sched.c (create_partial_schedule,
6109 free_partial_schedule, reset_partial_schedule): Make them
6112 * hooks.c (hook_bool_rtx_int_false): Remove.
6113 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6115 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6117 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6118 and -mlong-double-128 are incompatible.
6119 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6120 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6121 (TARGET_LIBGCC2_CFLAGS): Define.
6122 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6123 (TARGET_LIBGCC2_CFLAGS): Same.
6124 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6126 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6129 * c-typeck.c (build_binary_op): Perform implicit casts of
6130 operands before shortening them.
6132 * cfgloopmanip.c (split_loop_bb): Remove.
6133 * cfgloop.h: Remove the prototype for split_loop_bb.
6135 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6136 * cfgloop.h: Remove the prototype for
6137 flow_loop_outside_edge_p.
6139 * emit-rtl.c (init_virtual_regs): Make it static.
6140 * function.h: Remove the prototype for init_virtual_regs.
6142 * recog.c (peephole2_optimize): Make it static.
6143 * recog.h: Remove the prototype for peephole2_optimize.
6145 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6147 * df-scan.c (df_record_entry_block_defs): Check if
6148 INCOMING_RETURN_ADDR_RTX is defined.
6150 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6151 Kenneth Zadeck <zadeck@naturalbridge.com>
6153 PR rtl-optimization/24762
6154 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6155 * targhooks.c (hook_void_bitmap): New hook prototype.
6156 * targhoohs.h (hook_void_bitmap): Ditto.
6157 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6158 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6159 * target.h (live_on_entry): New function pointer.
6160 * df-scan.c (df_all_hard_regs): Removed.
6161 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6162 (df_scan_free_internal): Added df->entry_block_defs.
6163 (df_scan_alloc): Ditto.
6164 (df_scan_dump): Ditto.
6165 (df_uses_record): Plumbed flag field properly thru calls.
6166 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6167 This part fixes PR24762.
6168 (df_bb_refs_record): Added code to make the frame and arg
6169 pointers live in EH blocks.
6170 (df_refs_record): Added call to df_record_entry_block_defs.
6171 (df_record_entry_block_defs): New function.
6172 * df-core.c: Added comments to describe new artifical defs.
6173 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6174 (entry_block_defs): New field in struct df.
6175 (df_all_hard_regs): Deleted.
6176 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6177 * df-problems.c (df_ru_bb_local_compute_process_def):
6178 Added code to handle artifical defs in the entry to a function.
6179 (df_ru_bb_local_compute): Ditto.
6180 (df_rd_bb_local_compute_process_def): Ditto.
6181 (df_rd_bb_local_compute): Ditto.
6182 (df_lr_bb_local_compute): Ditto.
6183 (df_ur_bb_local_compute): Ditto.
6184 (df_urec_bb_local_compute): Ditto.
6185 (df_chain_create_bb): Ditto.
6186 (df_ur_local_finalize): Removed entry.
6187 (df_urec_init): Ditto.
6188 (df_urec_local_finalize): Ditto.
6189 (df_ri_bb_compute): Added detection of last use of pseudos.
6190 * Makefile.in (df-scan.o): Updated dependencies.
6191 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6192 * config/mips/mips.c (mips_set_live_on_entry): Added.
6193 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6195 * dce.c (marked_insn_p): Added code to handle artifical defs.
6197 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6199 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6201 (_mm_cvtsi128_si64): Likewise.
6202 (_mm_cvtsd_si64): Likewise.
6203 (_mm_cvttsd_si64): Likewise.
6204 (_mm_cvtsi64_sd): Likewise.
6205 (_mm_cvtsi64_si128): Likewise.
6206 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6207 (_mm_cvtsi64_m64): Likewise.
6208 (_m_to_int64): Likewise.
6209 (_mm_cvtm64_si64): Likewise.
6210 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6211 (_mm_cvttss_si64): Likewise.
6212 (_mm_cvtsi64_ss): Likewise.
6213 (_mm_cvtss_f32): Likewise.
6215 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6217 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6218 for pragma redefine_extname.
6220 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6223 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6224 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6225 -mno-minimal-toc to previous content.
6226 (bispecs): Remove goal.
6227 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6228 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6229 compatibility aliases on powerpc-*-*gnu*.
6230 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6231 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6232 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6233 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6234 (ldblspecs): New goal.
6235 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6236 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6238 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6239 L_sf_to_tf or L_df_to_tf is defined.
6241 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6242 Alan Modra <amodra@bigpond.net.au>
6245 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6246 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6247 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6248 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6249 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6250 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6251 (rs6000_override_options): Initialize rs6000_ieeequad.
6252 Initialize TFmode format to ibm_extended_format if not
6254 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6256 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6257 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6258 (function_arg_advance): IBM long double passed in two FPRs, not
6260 (function_arg): IBM long double passed in FPRs.
6261 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6262 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6263 Only multireg GPR aligned.
6264 (rs6000_init_libfuncs): Enable IBM long double functions if not
6266 (rs6000_generate_compare): Use IBM long double compare if not
6268 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6269 (TARGET_IEEEQUAD): Define.
6270 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6271 not TARGET_IEEEQUAD.
6272 * config/rs6000/rs6000.md: Enable TFmode patterns if
6274 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6275 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6276 and -mlong-double-128 are incompatible.
6277 * doc/invoke.texi (-mabi): Collect options together. Add
6278 ibmlongdouble and ieeelongdouble.
6280 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6282 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6284 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6285 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6286 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6287 * rtl.h (rtunion_def): Remove rt_ptr.
6289 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6290 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6291 * config/i386/winnt.c (i386_pe_mark_dllexport)
6292 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6294 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6296 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6298 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6302 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6303 pthread_key_delete. From John David Anglin. gthrw-ify
6304 pthread_getunique_np only if it it's not a macro. Delete
6306 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6307 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6308 __gthread_objc_condition_signal, __gthread_key_delete): Add
6309 "__attribute__ ((__unused__))" to unused arguments.
6310 (__gthread_recursive_mutex_init_function): Add missing return.
6311 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6312 gthr-posix95.h: Use macro-based approach for name redirection
6313 on targets missing weakref.
6315 2006-01-26 Zack Weinberg <zackw@panix.com>
6317 * genconditions.c (write_header): In generated code, #ifdef out
6318 all includes and fake declarations, except includes of bconfig.h
6319 and system.h, unless GCC_VERSION >= 3001. Do not include
6320 gensupport.h in any case.
6321 (write_conditions): Generate a definition of struct c_test. Add
6322 a comment to the generated #endif.
6323 (write_one_condition): Escape backslashes in string too.
6324 (write_writer): Generated code must escape backslashes and quote
6325 marks (but not newlines) in the strings it writes.
6326 * Makefile.in (build/gencondmd.o): Update dependencies.
6328 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6331 * Makefile.in (insn-automata.o): Add header file dependencies.
6332 * genautomata.c: Add includes.
6334 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6337 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6339 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6341 * configure.ac: Expect target tools paths to be passed from the toplevel
6342 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6344 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6346 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6349 * c.opt (Wpointer-sign): Init to -1.
6350 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6351 OPT_pedantic, to 0 otherwise.
6352 * doc/invoke.texi: Update.
6354 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6356 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6357 constants provided by 80387 instructions in the destination mode.
6359 2006-01-26 Richard Guenther <rguenther@suse.de>
6360 Andrew Pinski <pinskia@physics.uc.edu>
6363 partial PR tree-opt/17064
6364 * tree-ssa-structalias.c (intra_create_variable_infos):
6365 Create heap variables for incoming parameters if
6366 flag_argument_noalias > 1.
6367 (find_what_p_points_to): Look through default defs of
6370 2006-01-26 Jeff Law <law@redhat.com>
6373 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6374 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6375 within the VR_RANGE, use the VR_RANGE as the result, not the
6377 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6378 bounds for the type.
6380 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6382 * tree-ssa-alias.c (maybe_create_global_var): Change
6383 subvar walking to an assertion that we don't have subvar'd variables.
6385 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6388 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6389 Use a new variable, inner. PARM_DECLs are always non-weak.
6391 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6393 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6396 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6398 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6400 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6402 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6403 (smax_insn, smin_insn, smax_0, smin_0): New.
6405 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6408 * config/cris/cris.c (cris_order_for_addsi3): New function.
6409 * config/cris/cris-protos.h: Prototype it.
6410 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6411 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6412 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6413 (split for "op.S1 [rx=rx+i],ry (swapped)")
6414 (split for "op(s|u).S1 [rx=rx+i],ry")
6415 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6416 Apply cris_order_for_addsi3 when generating addsi3 insns.
6418 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6420 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6421 (TREE_BLOCK): Add call to EXPR_CHECK.
6423 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6426 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6427 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6428 (dump_omp_clauses): ... here.
6429 (dump_generic_node): Handle OMP_CLAUSE.
6430 * tree.c (omp_clause_num_ops): New.
6431 (omp_clause_code_name): New.
6432 (tree_code_size): Handle OMP_CLAUSE.
6433 (tree_size): Likewise.
6434 (make_node): Document handling of OMP_CLAUSE.
6435 (tree_node_structure): Handle OMP_CLAUSE.
6436 (omp_clause_check_failed): New.
6437 (omp_clause_range_check_failed): New.
6438 (omp_clause_operand_check_failed): New.
6439 (build_omp_clause): New.
6440 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6441 * tree.h (enum omp_clause_code): Declare.
6442 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6443 (OMP_CLAUSE_RANGE_CHECK): Define.
6444 (OMP_CLAUSE_ELT_CHECK): Define.
6445 (omp_clause_check_failed): Declare.
6446 (omp_clause_operand_check_failed): Declare.
6447 (omp_clause_range_check_failed): Declare.
6448 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6449 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6450 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6451 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6452 (OMP_CLAUSE_IF_EXPR): Likewise.
6453 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6454 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6455 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6456 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6457 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6458 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6459 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6460 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6461 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6462 (OMP_CLAUSE_CODE): Define.
6463 (OMP_CLAUSE_SET_CODE): Define.
6464 (OMP_CLAUSE_CODE): Define.
6465 (OMP_CLAUSE_OPERAND): Define.
6466 (struct tree_omp_clause): Declare.
6467 (union tree_node): Add field 'omp_clause'.
6468 * treestruct.def (TS_OMP_CLAUSE): Define.
6469 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6470 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6471 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6472 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6473 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6474 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6475 (OMP_CLAUSE): Define.
6476 * print-tree.c (print_node): Handle OMP_CLAUSE.
6477 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6478 * c-typeck.c: Likewise.
6479 * gimplify.c: Likewise.
6480 * c-omp.c: Likewise.
6481 * tree-nested.c: Likewise.
6482 * tree-inline.c: Likewise.
6483 * c-parser.c: Likewise.
6484 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6487 2006-01-25 Roger Sayle <roger@eyesopen.com>
6489 PR rtl-optimization/25703
6490 * combine.c (try_combine): Handle zero_extract and strict_low_part
6491 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6493 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6495 * global.c: Fix comment typos.
6497 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6500 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6501 Use output_addr_const instead of assemble_name.
6503 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6505 * Makefile.in (sched-vis.o): Update dependencies.
6506 * haifa-sched.c (sched_finish): Clear current_sched_info.
6507 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6508 (dump_flow_info): Call it.
6509 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6511 * basic-block.h (dump_bb_info): Declare.
6512 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6513 option, and apply options only for dump files whose TDF_RTL,
6514 TDF_TREE, or TDF_IPA bits match.
6515 * rtl.h: Declare new functions exported from sched-vis.c.
6516 * sched-vis.c: Enable also if scheduling is not used.
6517 (print_value): Print the mode of registers if not inside scheduling.
6518 (print_insn): Make it work outside the scheduler. Beautify the output
6520 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6522 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6524 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6525 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6526 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6527 depending on the value of CONSTANT_POOL_ADDRESS_P.
6528 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6530 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6531 rather than SYMBOL_REF_DECL.
6532 (rtx_constant_pool): Remove const_rtx_sym_htab.
6533 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6534 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6535 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6536 Remove handling of const_rtx_sym_htab.
6537 (find_pool_constant): Delete.
6538 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6539 rather than find_pool_constant.
6540 (get_pool_constant_for_function): Delete.
6541 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6543 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6544 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6545 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6546 (SYMBOL_REF_CONSTANT): New macro.
6547 (get_pool_constant_for_function): Delete.
6548 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6549 rather than SYMBOL_REF_DECL.
6550 (i386_pe_mark_dllimport): Likewise.
6551 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6552 rather than SYMBOL_REF_DECL.
6553 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6554 (machopic_indirect_call_target): Likewise.
6556 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6558 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6560 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6562 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6564 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6566 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6568 2006-01-24 David Daney <ddaney@avtrex.com>
6571 * configure.ac (enable_tls): New enable option.
6572 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6573 * configure: Regenerate.
6574 * doc/install.texi (--enable-tls): Document new option.
6575 (--disable-tls): Ditto.
6577 2006-01-24 Richard Henderson <rth@redehat.com>
6579 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6580 * alias.c (true_dependence): Respect it.
6581 (canon_true_dependence, write_dependence_p): Likewise.
6582 * builtins.c (get_builtin_sync_mem): Set it.
6584 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6586 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6589 2006-01-24 DJ Delorie <dj@redhat.com>
6591 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6592 for storing constants in single-bit bitfields.
6594 2006-01-25 Ben Elliston <bje@au.ibm.com>
6596 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6598 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6601 * tree-ssa-pre.c (phi_translate): Return NULL
6602 for AGGREGATE_TYPE's.
6604 2006-01-24 Zack Weinberg <zackw@panix.com>
6606 * genautomata.c (process_state_for_insn_equiv_partition):
6607 Use xcalloc for insn_arcs_array.
6608 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6609 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6611 2006-01-24 Richard Henderson <rth@redhat.com>
6613 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6616 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6618 PR rtl-optimization/25890
6619 PR rtl-optimization/25905
6620 * combine.c (expand_compound_operation, expand_field_assignment):
6621 Fail if the bitfield's final position is out of bounds.
6623 2006-01-24 Ian Lance Taylor <ian@airs.com>
6626 * cgraphunit.c (cgraph_output_in_order): Don't clear
6627 cgraph_asm_nodes until after asm strings have been output.
6629 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6631 * fix-header.c (read_scan_file): Add new parameter imultilib when
6632 calling register_include_chains.
6634 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6636 * omp-low.c: Update documentation.
6638 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6639 Daniel Berlin <dberlin@dberlin.org>
6643 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6644 return from the function.
6646 2006-01-22 Zack Weinberg <zackw@panix.com>
6648 * rtl.def (match_code): Add second argument.
6649 * genpreds.c (write_extract_subexp): New function.
6650 (write_match_code): Add path argument. Use write_extract_subexp.
6651 (write_predicate_expr): Pass path to write_match_code.
6652 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6653 not perform a mode test.
6654 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6655 a subexpression does not constrain the top-level code set.
6656 * read-rtl.c (read_rtx_variadic): New function.
6657 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6658 * doc/md.texi: Document new notation.
6659 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6660 (cmpsi_operand): ... here, using new notation.
6662 2006-01-22 Zack Weinberg <zackw@panix.com>
6664 * varray.c: Remove GENERATOR_FILE #ifdefs.
6666 2006-01-22 Zack Weinberg <zackw@panix.com>
6668 * genautomata.c (output_reserved_units_table): Emit nothing if
6669 description->query_units_num is zero. Remove extra blank line.
6670 (output_cpu_unit_reservation_p): Short circuit
6671 if description->query_units_num is zero.
6673 2006-01-22 Zack Weinberg <zackw@panix.com>
6675 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6676 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6677 nor any of the random handful of variables that used to be necessary
6678 when this program was linked with rtlanal.o. Prune set of forward
6679 function declarations.
6680 (struct attr_desc): Remove static_p field.
6681 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6682 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6683 (attr_string): Do not read the character one past the length of
6685 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6686 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6687 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6688 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6689 (make_automaton_attrs): New.
6690 (main): Do not call into genautomata. Call local gen_bypass
6691 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6692 Remove special case for insn_alts.
6693 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6694 varray.h (leftover from previous change). Prune set of forward
6695 function declarations. Remove state_alts fields from all
6696 structures. Remove state_alts_table from struct automaton.
6697 Make everything except main static. Do not maintain num_dfa_decls.
6698 Do not maintain state_alts fields of various structures.
6699 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6700 (add_arc): Remove state_alts argument. All callers updated.
6701 (output_reserved_units_table): Emit #ifdef here...
6702 (output_tables): ...not here. Don't generate state_alts tables.
6703 (expand_automata): Don't generate attributes.
6704 (write_automata): Don't generate state_alts functions.
6705 (main): New function.
6706 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6707 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6708 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6709 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6710 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6711 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6712 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6713 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6715 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6716 * genattrtab.h: Delete file.
6717 * Makefile.in (OBJS-common): Add insn-automata.o.
6718 (insn-automata.o): New rule.
6719 (simple_generated_c): Add insn-automata.c.
6720 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6721 (genprogmd): Add automata.
6722 (build/genattrtab): Needs no extra objects nor libraries.
6723 (build/genautomata): Needs build/vec.o and -lm.
6725 2006-01-22 Zack Weinberg <zackw@panix.com>
6727 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6728 (output_dfa_max_issue_rate, locked_states_num): Delete.
6729 (struct automaton): Add locked_states field.
6730 (output_dead_lock_vect): Save number of locked states in
6731 automaton->locked_states. If it is zero, don't print anything.
6732 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6733 (output_internal_dead_lock_func): Only test the dead_lock_vect
6734 for automata that have locked states.
6735 (output_statistics): Always print the number of locked states for
6736 each automaton. Calculate total number of locked states here.
6737 (write_automata): Don't call output_dfa_max_issue_rate.
6738 * genattrtab.c: Define length_unit_log as a const variable.
6739 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6740 max_insn_queue_index const.
6741 * final.c (length_unit_log): Declare const.
6742 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6744 2006-01-22 Zack Weinberg <zackw@panix.com>
6746 * genautomata.c: Include vec.h, not varray.h.
6747 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6748 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6749 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6750 VEC_* macros operating on appropriately typed vectors, or to
6751 malloced arrays when the size is known in advance. Const-ify
6752 many char* variables and function arguments. No functional changes.
6753 * Makefile.in (build/varray.o): Delete rule.
6754 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6755 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6757 2006-01-22 Zack Weinberg <zackw@panix.com>
6759 * gensupport.c: Define get_insn_name and record_insn_name here.
6760 (read_md_rtx): Call record_insn_name as appropriate.
6761 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6762 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6763 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6765 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6766 (BUILD_VARRAY): Delete.
6767 (genprognormal): Rename genprogmd. Fold in all programs from
6768 genprognoprint; also attrtab.
6769 (build/genattrtab): Just mention genautomata.o and varray.o.
6770 Reorganize a bit, add comments to make the categories clearer.
6772 2006-01-22 Zack Weinberg <zackw@panix.com>
6774 * genconditions.c (condition_table, add_condition): Delete.
6775 (write_conditions): Don't emit n_insn_conditions nor
6776 insn_elision_unavailable. Issue the gcc version #ifdef here,
6777 inside the table, with no #else clause ...
6778 (write_header): ...not here.
6779 (write_writer): New function.
6780 (main): Don't initialize condition_table. Use add_c_test.
6782 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6783 files on the command line.
6784 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6785 Return -1 if there is no entry in the table, don't abort.
6786 (add_c_test, traverse_c_tests): New functions.
6787 * gensupport.h (insn_elision_unavailable, insn_conditions)
6788 (n_insn_conditions): Delete declarations.
6789 (add_c_test, traverse_c_tests): Declare.
6790 * read-rtl.c: Include gensupport.h.
6791 (read_conditions): New function.
6792 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6793 (read_rtx_1): If we get EOF when we were looking for an initial
6794 open paren, return 0. Call read_conditions when appropriate.
6795 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6796 dummy-conditions.o. Eliminate references to insn-conditions.o,
6797 or change them to build/gencondmd.o, as appropriate. Remove
6798 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6799 from $(simple_generated_c). For all files remaining in those
6800 two lists, add insn-conditions.md to the generator command line.
6801 Give insn-constants.h/s-constants their own rules. Add rules
6802 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6803 (build/read-rtl.o): Depend on gensupport.h.
6804 (genprognormal): Include preds.
6805 (genprogearly): Rename genprognoprint; only difference is now that
6806 they don't link with $(BUILD_PRINT).
6807 * dummy-conditions.c: Delete.
6809 2006-01-22 Zack Weinberg <zackw@panix.com>
6811 * genextract.c: Don't include insn-config.h. Do include vec.h.
6812 Declare vectors of int, char, and locstr.
6813 (locstr): New typedef.
6814 (struct extraction): Make all array fields into bare pointers.
6815 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6816 (insn_code_number): Delete.
6817 (accum_extract): New struct.
6818 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6819 (gen_insn): Take insn_code_number as an argument. Use an
6820 accum_extract structure instead of loading data directly into
6821 a struct extraction, and having to know how big it might get.
6822 (walk_rtx): Operate entirely on an accum_extract structure.
6823 (print_path): Avoid unnecessary use of printf.
6824 (print_header): New function, split out of main. Distinguish
6825 more carefully between an unrecognizable insn and an insn that
6826 has the code number of a define_expand.
6827 (main): Pass insn_code_number to gen_insn. Call print_header
6828 only after parsing. Avoid unnecessary use of printf.
6829 * Makefile.in (build/vec.o): New rule.
6830 (build/genextract): Depend on build/vec.o.
6831 (build/genextract.o): Don't depend on insn-config.h.
6833 2006-01-22 Zack Weinberg <zackw@panix.com>
6835 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6836 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6837 practical. Eliminate per-generator-program link rules.
6839 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6842 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6843 with a call expr to ...
6844 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6846 2006-01-23 Richard Guenther <rguenther@suse.de>
6848 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6849 before make_edge with conditional EDGE_TRUE_VALUE.
6851 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6852 Jan Hubicka <jh@suse.cz>
6853 Richard Guenther <rguenther@suse.de>
6855 PR rtl-optimization/25654
6856 * cfgexpand.c (aggregate_contains_union_type): New function.
6857 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6858 for structure variables that contain a union type.
6860 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6862 * gengtype.c (new_structure): Return the structure.
6863 (create_option): Add an extra "next" argument.
6864 (create_field): New function.
6865 (adjust_field_rtx_def): Use create_option and create_field.
6866 Remove a now-unnecessary call to find_structure.
6867 (adjust_field_tree_def): Likewise.
6868 (note_yacc_type): Remove an unnecessary call to find_structure.
6869 * gengtype.h (new_structure): Return the structure.
6870 (create_option): Add an extra argument.
6871 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6872 (option): Adjust calls to create_option.
6874 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6876 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6878 2006-01-22 Paul Brook <paul@codesourcery.com>
6879 Peter Barada <peter@the-baradas.com>
6881 * config/m68k/m68k.md: Add Coldfire FPU support.
6882 Define FP mode macro and associated attributes.
6883 Use it for float mode patterns.
6884 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6885 (LIBCALL_VALUE): Use m68k_libcall_value.
6886 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6887 (m68k_function_value): Ditto.
6888 (emit_move_sequence): Ditto.
6889 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6890 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6891 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6892 (MULTILIB_EXCEPTIONS): Ditto.
6893 * config/m68k/m68k.opt: Add mcfv4e.
6894 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6895 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6896 (m68k_output_function_prologue): Save ColdFire FPU registers.
6897 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6898 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6899 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6900 ColdFire FPU registers.
6901 (m68k_libcall_value, m68k_function_value): New functions.
6902 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6903 (LIBCALL_VALUE): Use m68k_libcall_value.
6904 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6905 (MASK_COLDFIRE): Add MASK_CFV4E.
6906 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6907 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6908 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6909 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6910 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6911 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6912 * doc/invoke.tex: Document -mcfv4e on m68k.
6914 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6916 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6919 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6922 * c-opts.c (c_common_handle_option): Don't include
6923 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6924 * doc/invoke.texi (C++ Dialect Options): Document that
6925 -Wnon-virtual-dtor is no longer included in -Wall.
6927 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6929 * gcov.c (print_version), gcov-dump.c (print_version),
6930 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6933 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6935 * df-scan.c (problem_SCAN): Added NULL reset function.
6936 (df_scan_reset_blocks): Added code to call reset block function
6937 (df_bb_refs_delete) Fixed comment.
6938 (df_insn_refs_delete): Made tolerant of deleting non existent info
6939 for dataflow problems that need to be reset.
6940 * df-core.c (df_set_blocks): Ditto.
6941 * df.h (struct df_problem): Added reset_fun.
6942 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6943 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6944 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6945 functions to clear out all references to def-use or use-def chains.
6947 2006-01-21 Ben Elliston <bje@au.ibm.com>
6949 * varasm.c (assemble_real): Initialise data array.
6951 2006-01-20 Paul Brook <paul@codesourcery.com>
6953 Merge from csl-arm-branch.
6954 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6955 * config/arm/arm.md (movdi): Force operands[1] to a register
6956 if we have a non-register source.
6957 (*arm_movdi, *movdf_soft_insn): Require that one of the
6958 operands be a register.
6959 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6960 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6962 2006-01-20 DJ Delorie <dj@redhat.com>
6964 * varasm.c (initialize_constant_valid_p): Allow pointers
6965 initialized from integer constants of lesser precision.
6966 (output_constant): Allow non-int-sized pointer modes to be
6967 initialized from integer constants.
6969 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6972 * cppdefault.h (struct default_include): Add multilib flag.
6973 * cppdefault.c (cpp_include_defaults): Set it.
6974 * c.opt (-imultilib): New option.
6975 * c-opts.c (imultilib): New.
6976 (c_common_handle_option): Handle -imultilib.
6977 (c_common_post_options): Likewise.
6978 * c-incpath.c (add_standard_paths, register_include_chains):
6980 * c-incpath.h (register_include_chains): Add extra parameter.
6981 * gcc.c (do_spec_1): Generate -imultilib option.
6982 (The Specs Language): Update %I description.
6983 (process_command): Update copyright notice.
6984 * doc/cppopts.texi (-imultilib): Document.
6985 * doc/invoke.texi (-imultilib): Include in option summary.
6986 (%I): Update specs documentation.
6988 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6990 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6992 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6994 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6997 2006-01-20 Richard Guenther <rguenther@suse.de>
6998 Steven Bosscher <stevenb.gcc@gmail.com>
7000 PR rtl-optimization/24626
7001 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7002 EDGE_TRUE_VALUE if in RTL mode.
7005 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7006 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7008 2006-01-20 Dirk Mueller <dmueller@suse.com>
7011 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7012 instead of a special NOP marker.
7013 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7014 NOP marker handling.
7015 * c-common.h (empty_body_warning): Add forward declaration.
7016 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7017 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7019 2006-01-20 Paul Brook <paul@codesourcery.com>
7021 * Makefile.in (lang_checks): Keep going if mkdir fails.
7023 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7025 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7026 be able to clean out basic block when not necessary.
7027 (df_scan_free): Fixed to properly delete information if df is
7028 unused before calling df_finish.
7029 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7030 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7032 (df_bb_refs_delete): New function.
7033 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7034 * df-core.c (df_set_blocks): Added code to properly clean out
7035 unused blocks if they are not part of the blocks to consider.
7036 Added additional null check.
7037 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7038 be able to clean out basic block when not necessary
7039 * df.h (df_free_bb_function): Ditto.
7040 (df_bb_refs_delete): New function.
7041 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7042 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7043 basic block parameter to be able to clean out basic block when not
7045 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7046 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7047 Fixed to properly delete information if df is unused before
7050 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7052 PR rtl-optimization/25799
7053 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7054 Corrected confluence operator to remove bits from op2 before oring
7055 with op1 rather than removing bits from op1.
7056 (df_ru_transfer_function): Corrected test on wrong bitmap which
7057 caused infinite loop. Both of these problems were introduced in
7058 the dataflow rewrite.
7060 2006-01-19 DJ Delorie <dj@redhat.com>
7062 * reload1.c (find_reload_regs): Note the details of reload
7063 failures in the dump file.
7064 (spill_failure): Likewise.
7066 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7068 * loop-iv.c: Include df.h and hashtab.h.
7069 (enum iv_grd_result): New enum.
7070 (DF_REF_IV, DF_REF_IV_SET): New macros.
7071 (struct biv_entry): New.
7072 (df, bivs): New global variables.
7073 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7074 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7076 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7077 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7078 analyzed_for_bivness_p, record_biv): New functions.
7079 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7080 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7081 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7083 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7085 (iv_number_of_iterations): Use new interface to iv analysis.
7086 * loop-unroll.c: Do not include varray.h.
7087 (analyze_iv_to_split_insn): Use new interface to iv
7089 * loop-unswitch.c (may_unswitch_on): Ditto.
7090 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7092 (df_bb_modify): Realloc tables to the new index.
7093 (df_find_use): New function.
7094 * df.h (df_find_use): Declare.
7095 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7097 * cfgloop.h (struct rtx_iv): Remove analysed field.
7098 (iv_get_reaching_def): Removed.
7099 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7100 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7101 (loop-iv.o): Add df.h and hashtab.h dependency.
7102 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7104 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7107 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7109 (__floatundisf, __floatundidf): Likewise.
7110 * libgcc2.h (IS_IBM_EXTENDED): Define.
7112 2006-01-19 DJ Delorie <dj@redhat.com>
7114 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7116 2006-01-19 Paul Brook <paul@codesourcery.com>
7118 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7119 as nothrow when unwinding tables are disabled.
7121 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7124 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7125 of bit-field" when in system header.
7127 2006-01-19 DJ Delorie <dj@redhat.com>
7129 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7130 the 16 bit shift limit of the m16c.
7132 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7135 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7136 * config/i386/i386.c (output_set_got): Output the label if we have one
7137 for the TARGET_DEEP_BRANCH_PREDICTION case.
7139 2006-01-19 Jan Hubicka <jh@suse.cz>
7140 H.J. Lu <hongjiu.lu@intel.com>
7141 Evandro Menezes <evandro.menezes@amd.com>
7143 * invoke.texi (generic): Document
7145 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7146 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7147 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7148 (x86_use_incdec, x86_pad_returns): New variables
7149 (TARGET_CPU_DEFAULT_generic): New constant
7150 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7151 (enum processor_type): Add generic32 and generic64.
7152 * i386.md (cpu attribute): Add generic32/generic64
7153 (movhi splitter): Behave sanely when both partial_reg_dependency and
7154 partial_reg_stall are set.
7155 (K8 splitters): Enable for generic as well.
7156 * predicates.md (incdec_operand): Use TARGET_INCDEC
7157 (aligned_operand): Avoid memory mismatch stalls.
7158 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7159 * ppro.md: Enable for generic32
7160 * i386.c (generic64_cost, generic32_cost): New.
7161 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7162 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7163 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7164 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7165 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7166 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7167 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7168 x86_accumulate_outgoing_args, x86_prologue_using_move,
7169 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7170 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7172 (x86_use_incdec, x86_pad_returns): New.
7173 (override_options): Add generic32 and generic64, translate "generic"
7174 to generic32/generic64 and "i686" to "generic32", refuse
7175 "generic32"/"generic64" as arch target.
7176 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7177 (ix86_reorg): Honor PAD_RETURNS.
7179 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7181 * tree-pretty-print.c (dump_generic_node): Handle
7182 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7183 * cgraph.c (cgraph_expand_queue): Rename from
7184 cgraph_analyze_queue. Update all users.
7185 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7186 cgraph_expand_queue.
7187 (cgraph_expand_all_functions): Likewise.
7188 (cgraph_finalize_pending_functions): Remove. Update callers.
7190 * tree.h (OMP_DIRECTIVE_P): Define.
7191 (OMP_PARALLEL_FN): Define.
7192 (OMP_PARALLEL_DATA_ARG): Define.
7193 (OMP_SECTIONS_SECTIONS): Define.
7194 * tree-pass.h (pass_expand_omp): Declare.
7195 * omp-low.c (struct omp_region): Declare.
7196 (struct omp_context): Remove fields 'parallel_type',
7197 'parallel_start_ix' and 'parallel_start_additional_args'.
7199 (struct omp_for_data): Rename from struct expand_omp_for_data.
7200 (omp_regions): New static variable.
7201 (root_omp_region): New static variable.
7202 (find_omp_clause): Make static.
7203 (is_in_combined_parallel_ctx): Remove.
7204 (is_combined_parallel): New.
7205 (extract_omp_for_data): Move earlier in the file.
7206 (workshare_safe_to_combine_p): New.
7207 (get_ws_args_for): New.
7208 (determine_parallel_type): Move earlier in the file.
7209 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7211 (omp_copy_decl): Likewise.
7212 (create_omp_child_function): Likewise.
7213 (lookup_omp_region): New.
7214 (dump_omp_region): New.
7215 (debug_omp_region): New.
7216 (debug_all_omp_regions): New.
7217 (new_omp_region): New.
7218 (scan_omp_parallel): If parallel_nesting_level > 1, the
7219 directive is nested within another parallel directive.
7220 Set OMP_PARALLEL_FN.
7221 (scan_omp_for): Do not try to handle combined parallel+for
7223 Remove FIXME comment.
7224 (scan_omp_nested): Remove.
7225 (scan_omp_1): Do not call scan_omp_nested when
7226 parallel_nesting_level is > 1.
7227 Do not change the DECL_CONTEXT of local variables found.
7228 (lookup_decl_in_outer_ctx): New.
7229 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7230 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7231 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7232 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7233 If CTX is nested, lookup VAR in the outer context when
7234 building copy assignment.
7235 (lower_send_clauses): Rename from expand_send_clauses.
7236 If CTX is nested, lookup VAR in the outer context when
7237 building copy assignments.
7238 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7239 If CTX is nested, lookup VAR in the outer context when
7240 building copy assignments.
7241 (expand_parallel_call): Rename from build_parallel_call.
7242 Handle combined parallel+workshare cases.
7243 Re-implement to emit code into the CFG.
7245 (expand_omp_parallel): Re-implement to emit code into the CFG.
7246 Call move_sese_region_to_fn to outline the sub-graph
7247 containing the parallel region.
7248 (expand_omp_for_1): Remove.
7249 (expand_omp_for_generic): Re-implement to emit code into the
7251 (expand_omp_for_static_nochunk): Likewise.
7252 (expand_omp_for_static_chunk): Likewise.
7253 (expand_omp_for): Likewise.
7254 (expand_omp_sections): Likewise.
7255 (remove_exit_barriers): New.
7256 (expand_omp_synch): New.
7258 (build_omp_regions_1): New.
7259 (build_omp_regions): New.
7260 (execute_expand_omp): New.
7261 (gate_expand_omp): New.
7262 (pass_expand_omp): Define.
7263 (lower_omp_sections): Rename from expand_omp_sections.
7264 Set OMP_SECTIONS_SECTIONS.
7265 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7266 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7267 (lower_omp_single): Rename from expand_omp_simple.
7268 (lower_omp_master): Rename from expand_omp_master.
7269 (lower_omp_ordered): Rename from expand_omp_ordered.
7270 (lower_omp_critical): Rename from expand_omp_critical.
7271 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7272 (lower_omp_for): Re-implement.
7273 (lower_omp_parallel): Re-implement.
7274 (lower_regimplify): Rename from expand_regimplify.
7275 (lower_omp_1): Rename from expand_omp_1.
7276 If there are syntax errors in the program, replace every
7277 OpenMP directive with NOP.
7278 Call lower_omp_* instead of expand_omp_*.
7279 (lower_omp): Rename from expand_omp.
7281 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7282 * tree-gimple.h (enum omp_parallel_type): Remove.
7283 (gimple_boolify): Declare extern.
7284 (find_omp_clause, determine_parallel_type): Remove.
7286 * gimple-low.c (lower_omp_directive): New.
7287 (lower_stmt): Call it.
7288 (record_vars_into): Move from ...
7289 (record_vars): ... here.
7290 Call record_vars_into with current_function_decl.
7292 * gimplify.c (struct gimplify_ctx): Remove fields
7293 combined_pre_p and combined_ctxp. Update users.
7294 (get_formal_tmp_var): Add documentation.
7295 (gimple_boolify): Make extern.
7296 (gimplify_expr_in_ctx): Remove. Update callers.
7297 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7298 will always be a BIND_EXPR.
7299 (gimplify_expr): Handle OMP_RETURN_EXPR.
7300 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7301 (OMP_PARALLEL): Add 3 operands.
7302 (OMP_SECTIONS): Add 1 operand.
7303 (OMP_RETURN_EXPR): Define.
7305 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7306 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7307 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7308 creating a circular free list.
7309 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7311 * tree-flow.h (move_sese_region_to_fn): Declare.
7312 (record_vars_into): Declare.
7313 * tree-cfg.c (make_omp_sections_edges): New.
7314 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7315 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7316 OMP_SECTIONS and OMP_SECTION.
7317 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7318 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7319 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7320 (gather_blocks_in_sese_region): New.
7321 (struct move_stmt_d): Declare.
7323 (move_block_to_fn): New.
7324 (move_sese_region_to_fn): New.
7326 * passes.c (init_optimization_passes): Schedule
7327 pass_expand_omp after pass_init_datastructures.
7329 * tree-ssa-operands.c (get_expr_operands): Handle
7330 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7331 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7333 2006-01-19 Jeff Law <law@redhat.com>
7335 * tree-vrp.c (extract_range_from_assert): Refine the result range
7336 if the variable referenced by the ASSERT_EXPR has a range and
7337 either the tentative result range or the previous range is a
7340 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7342 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7344 2006-01-19 Jan Hubicka <jh@suse.cz>
7346 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7348 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7350 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7351 (expand_compound_operation, expand_field_assignment): Fail if the
7352 bit lengths of an extract operation are out of range.
7353 (make_extraction): Compute wanted_inner_mode based on the position
7354 and length of the extraction. Make it extraction_mode for non-constant
7355 positions, and do not modify offset in that case. When generating a
7356 new MEM, use a mode that can hold the extraction while keeping correct
7357 alignment. Remove code that supported MEMs wrapped by USEs.
7358 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7360 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7362 * config/s390/s390.md ("Y", "y"): New mode attribute.
7363 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7364 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7365 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7366 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7367 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7368 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7369 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7370 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7371 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7372 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7373 "addsi3", "subsi3"): Insn patterns removed.
7374 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7375 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7376 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7377 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7378 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7379 "*sub<mode>3_cconly2"): New insn patterns.
7380 ("addsi3", "subsi3"): New expanders.
7382 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7384 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7385 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7386 existing STMT_VINFO_VECTYPE if available.
7387 (vect_mark_relevant): Add special handling for stmts that are
7388 marked as STMT_VINFO_IN_PATTERN_P.
7389 (vect_analyze_loop): Call vect_pattern_recog.
7390 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7391 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7393 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7394 (vect_recog_func_ptr): New function-pointer type.
7395 * tree-vect-patterns.c: New file.
7396 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7397 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7398 (vect_pattern_recog_1): New functions.
7399 (vect_pattern_recog_funcs): New array of function pointers.
7401 * tree-vectorizer.h (ternary_op): New enum value.
7402 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7403 declaration. Revised documentation. Removed redundant dump prints.
7404 Removed redundant argument. Added support for reduction patterns.
7405 (vectorizable_reduction): Added support for reduction patterns.
7406 (vect_transform_stmt): Added support for patterns.
7408 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7409 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7410 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7411 (expand_widen_pattern_expr): New function.
7412 (init_optabs): Initialize new optabs udot_prod_optab,
7414 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7415 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7416 (expand_widen_pattern_expr): New function declaration.
7417 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7419 * tree-inline.c (estimate_num_insns_1): Added cases for new
7420 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7421 * tree-pretty-print.c (dump_generic_node): Likewise.
7422 (op_prio): Likewise.
7423 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7424 * tree-ssa-operands.c (get_expr_operands): Added case for
7426 * tree-vect-patterns.c (widened_name_p): New function.
7427 (vect_recog_dot_prod_pattern): Added function implementation.
7428 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7429 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7430 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7431 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7433 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7434 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7435 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7436 (init_optabs): Initialize new optabs widen_ssum_optab,
7438 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7439 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7440 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7441 use instead of type of def.
7442 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7443 function implementation.
7444 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7445 widen_ssumv8hi): New.
7447 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7450 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7453 * c-decl.c (add_flexible_array_elts_to_size): New function.
7454 (finish_decl): Use it.
7456 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7458 * diagnostic.h: Include options.h.
7459 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7460 dependancies for diagnostic.h.
7461 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7463 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7465 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7466 (ssa_ro_call_cache_valid): Ditto.
7467 * tree-ssa-alias.c (sort_tags_by_id): New function.
7468 (init_transitive_clobber_worklist): Ditto.
7469 (add_to_worklist): Ditto.
7470 (mark_aliases_call_clobbered): Ditto.
7471 (compute_tag_properties): Ditto.
7472 (set_initial_properties): Ditto.
7473 (compute_call_clobbered): Ditto.
7474 (compute_may_aliases): Call compute_call_clobbered and grouping.
7475 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7476 (compute_flow_insensitive_aliasing): Grouping now happens in our
7478 (setup_pointers_and_addressables): Remove clobbering related code.
7479 (add_may_alias): Ditto.
7480 (replace_may_alias): Ditto.
7481 (get_nmt_for): Ditto.
7482 (create_global_var):
7483 (is_escape_site): Return an escape_type enumeration.
7484 * tree-flow-inline.h (is_call_clobbered): Global var does not
7485 imply call clobbered.
7486 (mark_call_clobbered): Take a reason for marking this. Remove
7487 marking of globalness, and cache invalidation.
7488 (clear_call_clobbered): Remove cache invalidation code.
7489 * tree-dfa.c (dump_variable): If details is on, dump the reason
7491 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7493 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7494 (struct var_ann_d): Ditto.
7495 (enum escape_type): New.
7496 (mark_call_clobbered): Adjust prototype.
7497 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7498 are never call clobbered.
7499 Record reasons for escaping.
7500 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7501 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7502 (ssa_ro_call_cache_valid): Ditto.
7503 (clobbered_v_may_defs): Ditto.
7504 (clobbered_vuses): Ditto.
7505 (ro_call_vuses): Ditto.
7506 (clobber_stats): New.
7507 (init_ssa_operands): Zero out clobber stats.
7508 (fini_ssa_operands): Print out clobber stats.
7509 (get_call_expr_operands): Pass callee fndecl to
7511 (add_call_clobber_ops): Remove use of cache.
7512 Add use of PURE_CONST information.
7513 (add_call_read_ops): Remove use of cache.
7514 Add use of static not_read information.
7516 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7518 Introduce TLS descriptors for i386 and x86_64.
7519 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7520 (TARGET_ANY_GNU_TLS): New macro.
7521 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7522 (struct machine_function): Add tls_descriptor_call_expanded_p.
7523 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7524 (ix86_current_function_calls_tls_descriptor): Likewise.
7525 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7526 (override_options): Introduce gnu2 tls dialect.
7527 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7529 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7531 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7532 (ix86_init_machine_status): Initialize new field.
7533 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7534 (ix86_tls_module_base): New.
7535 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7536 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7537 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7538 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7539 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7540 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7541 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7542 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7543 * config/i386/predicates.md (tls_modbase_operand): New.
7544 (tp_or_register_operand): New.
7546 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7548 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7549 (look_for_address_of): Ditto.
7550 (ipa_init): Walk the function decls.
7551 (static_execute): Don't set readonly on FUNCTION_DECL's.
7553 2006-01-18 Roger Sayle <roger@eyesopen.com>
7555 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7556 for shifts where the source and destination registers are different.
7558 2006-01-18 Paul Brook <paul@codesourcery.com>
7560 Merge from csl-arm-branch.
7561 2005-03-14 Julian Brown <julian@codesourcery.com>
7562 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7563 (aeabi_llsl): Likewise.
7564 (ashrdi3): Likewise.
7565 (aeabi_lasr): Likewise.
7566 (lshrdi3): Likewise.
7567 (aeabi_llsr): Likewise.
7568 2005-03-10 Julian Brown <julian@codesourcery.com>
7569 * config.gcc: Disable shared libgcc for SymbianOS.
7570 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7572 2006-01-18 DJ Delorie <dj@redhat.com>
7574 * c-pragma.c (handle_pragma_diagnostic): New.
7575 (init_pragma): Register it.
7576 * doc/extend.texi: Document it.
7578 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7579 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7580 (diagnostic_context): Add classify_diagnostic[].
7581 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7582 as errors if they're overridden to DK_WARNING.
7583 (diagnostic_initialize): Initialize classify_diagnostic[].
7584 (diagnostic_set_kind_override): New.
7585 (diagnostic_report_diagnostic): Check for kind changes.
7586 * opts.c (common_handle_option): Take lang_mask. Update callers.
7588 * common.opt (Werror=): New.
7589 * doc/invoke.texi: Document -Werror=*
7591 2006-01-18 Jeff Law <law@redhat.com>
7593 * tree-vrp.c (test_for_singularity): Correct test for new
7594 min limit. Use operand_equal_p rather than pointer equality
7595 for testing if new min/max values are equal.
7597 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7598 using range information until after propagation and folding.
7600 2006-01-18 Richard Henderson <rth@redhat.com>
7601 Aldy Hernandez <aldyh@redhat.com>
7602 Jakub Jelinek <jakub@redhat.com>
7603 Diego Novillo <dnovillo@redhat.com>
7605 * omp-low.c: New file.
7606 * c-omp.c: New file.
7608 2006-01-18 Richard Henderson <rth@redhat.com>
7609 Jakub Jelinek <jakub@redhat.com>
7610 Diego Novillo <dnovillo@redhat.com>
7612 * doc/invoke.texi: Document -fopenmp.
7613 * tree-dump.h (debug_function): Declare.
7614 * hooks.c (hook_bool_tree_bool_false): New function.
7615 (hook_tree_tree_null): Remove.
7616 (hook_tree_tree_tree_null): New.
7617 * hooks.h: Update to match.
7618 * tree-pretty-print.c (debug_tree_chain): New.
7619 (print_generic_expr): Handle TDF_CHAIN.
7620 (dump_generic_node): Handle BLOCK.
7621 Do not abort with incomplete SWITCH_EXPRs.
7622 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7623 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7624 print space after directive name.
7625 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7626 Handle OMP_MASTER and OMP_ORDERED.
7627 Handle printing of OMP_BODY just in one place, goto
7628 dump_omp_body in the rest of OMP_* nodes that have
7630 Don't handle clause nodes here. Update omp statements to
7631 use dump_omp_clauses.
7632 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7633 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7634 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7635 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7636 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7637 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7638 Adjust output for GOMP_PARALLEL.
7639 (dump_omp_clauses): New.
7640 (print_declaration): Dump DECL_VALUE_EXPR.
7641 (op_symbol_1): Split out of op_symbol.
7642 (dumping_stmts): Remove. Update all users.
7643 * cgraph.c (cgraph_analyze_queue): New.
7644 (cgraph_add_new_function): New.
7645 * cgraph.h (cgraph_analyze_queue): Declare.
7646 (cgraph_add_new_function): Declare.
7647 (cgraph_lower_function): Remove.
7648 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7649 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7650 and TYPE_P nodes in its default clause.
7651 (empty_body_p): New.
7652 (tree_range_check_failed): New.
7654 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7655 OMP_CLAUSE_REDUCTION_MERGE,
7656 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7657 OMP_CLAUSE_PRIVATE_DEBUG,
7658 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7659 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7660 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7661 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7662 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7663 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7664 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7665 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7666 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7667 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7668 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7669 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7670 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7671 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7672 (TREE_RANGE_CHECK): New.
7673 (empty_body_p): Declare.
7674 (enum omp_clause_default_kind): New.
7675 (build_string_literal): Declare.
7676 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7677 (build5_stat, build5): Declare.
7678 * tree-pass.h (TDF_CHAIN): Define.
7679 * tree-pass.h (PROP_gimple_lomp): Define.
7680 (pass_lower_omp): Declare.
7681 * diagnostic.h (debug_tree_chain): Declare.
7682 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7684 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7685 * builtins.c (build_string_literal): Make extern.
7686 * gcc.c (include_spec_function): New.
7687 (static_spec_functions): Add it.
7688 (main): Move load of libgomp.spec ...
7689 (LINK_COMMAND_SPEC): ... here.
7690 (link_gomp_spec): New.
7691 (static_specs): Include it.
7692 (LINK_COMMAND_SPEC): Add link_gomp.
7693 (GOMP_SELF_SPECS): New.
7694 (driver_self_specs): Include it.
7695 (switch_matches): Don't mark inline.
7696 (main): Load libgomp.spec.
7697 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7698 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7699 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7700 * tree-gimple.h (enum omp_parallel): Declare.
7701 (determine_parallel_type): Declare.
7702 (omp_firstprivatize_variable): Declare.
7703 (omp_reduction_init): Declare.
7704 (diagnose_omp_structured_block_errors): Declare.
7705 (struct walk_stmt_info): Add want_return_expr.
7706 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7707 (find_omp_clause): Declare.
7708 (insert_field_into_struct): Declare.
7709 (struct walk_stmt_info): Move from tree-nested.c
7710 (walk_stmts): Declare.
7711 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7713 * cgraphunit.c (cgraph_lower_function): Make static.
7714 (cgraph_finalize_pending_functions): New.
7715 (cgraph_finalize_function): Call it.
7716 (cgraph_finalize_compilation_unit): Likewise.
7717 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7718 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7719 (BT_FN_UINT_UINT): New.
7720 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7721 DEF_FUNCTION_TYPE_VAR_4): Document.
7722 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7723 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7724 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7725 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7726 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7727 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7728 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7729 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7730 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7731 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7732 into separate files.
7733 (DEF_GOMP_BUILTIN): New.
7734 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7735 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7736 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7737 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7738 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7739 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7740 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7741 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7742 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7743 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7744 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7745 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7746 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7747 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7748 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7749 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7750 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7751 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7752 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7753 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7754 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7755 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7756 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7757 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7758 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7759 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7760 * sync-builtins.def: New file, moved from builtins.def.
7761 * omp-builtins.def: New file, moved from builtins.def.
7762 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7763 * gimple-low.c (lower_function_body): Clear data.
7764 (lower_stmt): Do not handle COMPOUND_EXPR.
7765 Remove call to print_node_brief.
7766 * c-tree.h (c_finish_omp_clauses): New prototype.
7767 (C_DECL_THREADPRIVATE_P): Define.
7768 (lookup_name_no_remap, c_omp_remap_private): Remove
7769 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7770 (check_for_loop_decls): Update decl.
7771 (lookup_name_no_remap, c_omp_remap_private): Declare.
7772 (build_indirect_ref, build_modify_expr, pushdecl,
7773 pushdecl_top_level): Move to c-common.h.
7774 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7775 before the switch, but just in the 2 places that need it.
7776 * c-decl.c (diagnose_mismatched_decls): Do not check for
7777 mismatched thread-local attributes when OLDDECL is marked
7778 threadprivate and NEWDECL has no thread-local attributes.
7779 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7780 (c_gimple_diagnostics_recursively): Rename from
7781 c_warn_unused_result_recursively. Invoke
7782 diagnose_omp_structured_block_errors.
7783 (check_for_loop_decls): Return a singular decl found.
7784 * langhooks.c (lhd_omp_predetermined_sharing): Return
7785 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7786 (lhd_omp_firstprivatize_type_sizes): New.
7787 (lhd_omp_assignment): New.
7788 (lhd_omp_predetermined_sharing): New.
7789 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7790 (struct lang_hooks_for_types): Add
7791 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7792 omp_predetermined_sharing, omp_disregard_value_expr,
7793 omp_private_debug_clause, omp_clause_default_ctor,
7794 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7795 (c_finish_omp_clauses): New.
7796 (c_finish_bc_stmt): Diagnose break within omp for.
7797 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7798 (build_unary_op): Return error_mark after reporting
7800 (build_modify_expr): Likewise.
7801 * gimplify.c: Include optabs.h and pointer-set.h.
7802 (enum gimplify_omp_var_data): Declare.
7803 (struct gimplify_omp_ctx): Declare.
7804 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7806 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7807 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7808 (splay_tree_compare_decl_uid): New.
7809 (new_omp_context): New.
7810 (delete_omp_context): New.
7811 (gimple_add_tmp_var): Call omp_add_variable.
7812 (gimplify_bind_expr): Likewise.
7813 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7814 true, disregard DECL_VALUE_EXPR on the decl if any.
7815 (gimplify_expr_in_ctx): New.
7816 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7817 omp_add_variable, omp_notice_variable, omp_is_private
7818 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7819 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7820 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7821 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7822 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7823 gimplify_omp_atomic): New.
7824 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7825 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7826 OMP_CRITICAL and OMP_ATOMIC.
7827 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7828 * c-pragma.h (enum pragma_kind): Add
7829 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7830 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7831 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7832 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7833 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7834 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7835 PRAGMA_OMP_THREADPRIVATE.
7836 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7837 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7838 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7839 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7840 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7841 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7842 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7843 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7844 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7845 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7846 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7847 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7848 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7850 (struct nesting_info): Add field_map,
7851 suppress_expansion, debug_var_chain.
7852 (create_nesting_tree): Initialize them.
7853 (lookup_field_for_decl): Use field_map.
7854 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7855 (convert_local_omp_clauses): New.
7856 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7857 (walk_body): Split out of walk_function.
7858 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7859 (convert_nonlocal_reference): Handle omp statements.
7860 (convert_local_reference): Likewise.
7861 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7862 (unnest_nesting_tree): New.
7863 (lower_nested_functions): Call it.
7864 (insert_field_into_struct): Make extern.
7865 (struct walk_stmt_info): Move to tree-gimple.h.
7866 (walk_stmts): Make extern.
7867 * omp-builtins.def: New file.
7868 * tree-iterator.c (expr_only): Clarify comment.
7869 * c-common.h (pushdecl_top_level, pushdecl,
7870 build_modify_expr, build_indirect_ref,
7871 c_finish_omp_master, c_finish_omp_critical,
7872 c_finish_omp_ordered, c_finish_omp_barrier,
7873 c_finish_omp_atomic, c_finish_omp_flush,
7874 c_finish_omp_for, c_split_parallel_clauses,
7875 omp_clause_default_kind, c_omp_sharing_predetermined,
7876 c_omp_remap_decl): Declare.
7877 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7878 (OBJS-common): Add omp-low.o.
7879 (c-omp.o, omp-low.o): Add.
7880 (gimplify.o): Add dependency on $(OPTABS_H).
7881 (GTFILES): Add omp-low.c.
7882 (gt-stringpool.h): Add.
7883 * tree-cfg.c (set_bb_for_stmt): Do not update the
7884 block-to-labels map if we are currently expanding to RTL.
7885 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7887 Handle IDENTIFIER_NODE.
7888 (tree_verify_flow_info): Do not ICE when emitting error
7889 messages about invalid labels.
7890 (dump_function_to_file): Reset CFUN before emitting the body
7892 (debug_function): New.
7893 * passes.c (init_optimization_passes): Schedule
7895 * langhooks-def.h (lhd_omp_predetermined_sharing,
7896 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7898 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7899 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7900 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7901 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7902 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7903 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7904 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7905 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7906 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7907 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7908 (LANG_HOOK_DECLS): Use them.
7910 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7911 Richard Henderson <rth@redhat.com>
7912 Jakub Jelinek <jakub@redhat.com>
7913 Diego Novillo <dnovillo@redhat.com>
7915 * c-parser.c (pragma_omp_clause): Define.
7916 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7917 (c_parser_compound_statement): Likewise.
7918 (c_parser_statement): Likewise.
7919 (c_parser_pragma): Handle omp pragmas.
7920 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7921 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7922 (c_parser_omp_clause_name, check_no_duplicate_clause,
7923 c_parser_omp_variable_list,
7924 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7925 c_parser_omp_clause_copyprivate,
7926 c_parser_omp_clause_default,
7927 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7928 c_parser_omp_clause_lastprivate,
7929 c_parser_omp_clause_nowait,
7930 c_parser_omp_clause_num_threads,
7931 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7932 c_parser_omp_clause_reduction,
7933 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7934 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7935 c_parser_omp_atomic, c_parser_omp_barrier,
7936 c_parser_omp_critical, c_parser_omp_flush,
7937 c_parser_omp_for_loop, c_parser_omp_for,
7938 c_parser_omp_master, c_parser_omp_ordered,
7939 c_parser_omp_sections_scope, c_parser_omp_sections,
7940 c_parser_omp_parallel, c_parser_omp_single,
7941 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7942 * c-pragma.c (init_pragma): Do omp pragma registration here.
7943 * c.opt (fopenmp): New flag.
7945 2006-01-18 Eric Christopher <echristo@apple.com>
7947 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7948 * config/darwin.h (GOMP_SELF_SPECS): Define.
7950 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7952 * rtl.h: Remove the prototype for reg_alloc.
7954 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7957 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7958 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7959 sjlj and dwarf2 exception handling.
7960 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7961 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7962 * pa/pa.c (function_value): Treat complex and vector types as
7964 (function_arg): Likewise. Only pass scalar floats in the floating
7965 point argument registers.
7966 * pa/t-slibgcc-dwarf-ver: New file.
7967 * pa/t-slibgcc-sjlj-ver: New file.
7968 * pa/t-slibgcc-elf-ver: Delete file.
7970 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7972 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7973 unlikely_test_section_p test.
7975 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7977 * mode-switching.c (optimize_mode_switching): Make it static.
7978 * basic-block.h: Remove the prototype for
7979 optimize_mode_switching.
7981 * modulo-sched.c (sms_schedule): Make it static.
7982 * rtl.h: Remove the prototype for sms_schedule.
7984 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7985 * rtl.h: Remove the prototype for gcse_after_reload_main.
7987 * reg-stack.c (reg_to_stack): Make it static.
7988 * rtl.h: Remove the prototype for reg_to_stack.
7990 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7992 * rtl.h: Remove the prototypes for regrename_optimize and
7993 copyprop_hardreg_forward.
7995 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7997 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7998 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7999 Test against the appropriate null constant for the mode.
8000 If 'fixup_overlap' is true, swap the operands if they overlap.
8001 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8002 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8003 alpha_split_tmode_pair and adjust for above change.
8004 * config/alpha/alpha.md (movtf_internal): Adjust call to
8005 alpha_split_tfmode_pair and rely on it to swap the operands.
8006 (movti_internal): New insn and post-reload splitter.
8007 (movti): New expander.
8009 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8011 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8014 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8016 * rtlanal.c (global_reg_mentioned_p_1,
8017 global_reg_mentioned_p): Remove.
8018 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8020 * flow.c (initialize_uninitialized_subregs): Make it static.
8021 * rtl.h: Remove the prototype for
8022 initialize_uninitialized_subregs.
8024 * function.c (instantiate_virtual_regs): Make it static.
8025 * function.h: Remove the prototype for
8026 instantiate_virtual_regs.
8028 * regmove.c (regmove_optimize, combine_stack_adjustments):
8030 * rtl.h: Remove the prototypes for regmove_optimize and
8031 combine_stack_adjustments.
8033 2006-01-17 Roger Sayle <roger@eyesopen.com>
8035 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8036 (size_cost): Encode costs in bytes so that a reg-reg addition is
8037 equivalent to COSTS_N_INSNS(1).
8038 (override_options): Use the size_cost.branch_cost as the default
8039 ix86_branch_cost when optimizing for size.
8041 2006-01-18 Ben Elliston <bje@au.ibm.com>
8043 * Makefile.in (D32PBIT_FUNCS): New.
8044 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8045 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8046 D64PBIT_FUNCS and D128PBIT_FUNCS.
8047 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8048 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8050 (decnumber_dep): Define.
8051 * doc/libgcc.texi (Decimal float library routines): New node.
8052 * config/dfp-bit.h, config/dfp-bit.c: New files.
8054 2006-01-18 Ben Elliston <bje@au.ibm.com>
8056 * expr.c (emit_move_change_mode): Always adjust addresses, not
8057 just during reload. Copy replacements only during reload.
8058 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8059 emit_move_via_integer.
8061 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8063 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8064 instead of $(srcdir) and ${srcdir}.
8066 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8070 * arm.h (struct machine_function): Add pic_reg.
8071 * arm.c (arm_pic_register): Make unsigned.
8072 (arm_override_options): Only set arm_pic_register if
8073 TARGET_SINGLE_PIC_BASE.
8074 (use_return_insn): Only test for a pic register if it is fixed.
8075 (arm_compute_save_reg0_reg12_mask): Likewise.
8076 (thumb_compute_save_reg_mask): Likewise.
8077 (legitimate_pic_operand): Factor out some known invariants.
8078 (legitimize_pic_address): If we don't have a fixed pic register,
8079 then set up a pseudo in the function entry sequence. Handle the
8080 pic base being in a pseudo.
8081 (arm_load_pic_register): Handle the pic register being in a pseudo.
8082 (arm_expand_prologue): Only set up the pic register if it is fixed.
8083 (thumb_expand_prologue): Likewise.
8084 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8085 (pic_load_addr_based_insn): Likewise.
8086 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8089 2006-01-18 Ben Elliston <bje@au.ibm.com>
8091 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8092 decimal float modes for all floating point registers.
8094 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8095 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8097 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8100 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8101 even when the pointer is not NULL.
8103 2006-01-16 Ian Lance Taylor <ian@airs.com>
8105 * common.opt (ftoplevel-reorder): New option.
8106 * cgraph.c (cgraph_asm_nodes): New global variable.
8107 (cgraph_asm_last_node): New static variable.
8108 (cgraph_order): New global variable.
8109 (cgraph_create_node): Set new order field.
8110 (cgraph_varpool_node): Likewise.
8111 (decide_is_variable_needed): Return true if not
8112 flag_toplevel_reorder.
8113 (cgraph_add_asm_node): New function.
8114 * cgraph.h (struct cgraph_node): Add order field.
8115 (struct cgraph_varpool_node): Add order field.
8116 (struct cgraph_asm_node): Define.
8117 (cgraph_asm_nodes, cgraph_order): Declare.
8118 (cgraph_add_asm_node): Declare.
8119 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8121 (cgraph_varpool_assemble_pending_decls): Call it.
8122 (cgraph_output_pending_asms): New static function.
8123 (cgraph_finalize_compilation_unit): Call it.
8124 (struct cgraph_order_sort): Define.
8125 (cgraph_output_in_order): New static function.
8126 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8127 !flag_toplevel_reorder case.
8128 * c-parser.c: Include "cgraph.h".
8129 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8131 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8132 than -fno-unit-at-a-time.
8133 * doc/invoke.texi (Option Summary): Mention
8134 -fno-toplevel-reorder.
8135 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8136 -funit-at-a-time documentation.
8138 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8139 Kazu Hirata <kazu@codesourcery.com>
8141 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8143 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8145 * Makefile.in (FUNCTION_H): New. Use it instead of
8146 function.h throughout the file.
8147 * function.h: Include tree.h.
8149 2006-01-17 Ben Elliston <bje@au.ibm.com>
8151 * recog.c: Separate some functions with whitespace.
8153 2006-01-16 Richard Henderson <rth@redhat.com>
8155 Merge from gomp branch:
8156 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8157 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8158 and rename from struct inline_data. Rename callee* to dst*;
8159 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8160 transform_new_cfg, transform_return_to_modify, and
8161 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8163 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8164 (copy_decl_for_dup): Remove.
8165 * tree-inline.c (struct inline_data): Move to header.
8166 (insert_decl_map): Export.
8167 (remap_decl): Update for member name changes. Use copy_decl hook.
8168 Allow for replacement to be a non-decl. Remove dead code.
8169 (remap_type_1): Check for existing mapping.
8170 (remap_type): Export.
8171 (remap_decls): Update for member name changes.
8172 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8173 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8174 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8175 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8176 (tree_function_versioning, build_duplicate_type): Likewise.
8177 (copy_body_r): Likewise. Export.
8178 (copy_decl_for_dup): Split into ...
8179 (copy_decl_for_dup_finish, copy_decl_to_var,
8180 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8181 (replace_ref_tree, inlining_p): Remove.
8183 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8185 * ifcvt.c (if_convert): Make it static.
8186 * rtl.h: Remove the prototype for if_convert.
8188 * local-alloc.c (local_alloc): Make it static.
8189 * rtl.h: Remove the prototype for local_alloc.
8191 * loop.c (loop_optimize): Make it static.
8192 * cfgloop.h: Remove the prototype for loop_optimize.
8195 2006-01-16 DJ Delorie <dj@redhat.com>
8197 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8200 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8202 * pa.md: Disparage copies between general and floating-point registers
8203 in 32-bit move patterns.
8205 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8208 * Makefile.in (check-%): Depend on site.exp instead of
8209 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8212 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8214 * global.c (global_alloc): Make it static.
8215 * rtl.h: Remove the prototype for global_alloc.
8217 2006-01-16 Richard Guenther <rguenther@suse.de>
8219 * tree-ssa-alias.c (struct used_part): Add write_only field.
8220 (get_or_create_used_part_for): Initialize it to true.
8221 (create_overlap_variables_for): Don't create structure variables
8222 for structures that only are written to.
8223 (find_used_portions): Handle MODIFY_EXPR to track whether a
8224 structure is only written to.
8226 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8228 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8230 * basic-block.h: Remove the prototype for
8231 partition_hot_cold_basic_blocks.
8233 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8235 * cppspec.c (lang_specific_spec_functions): Remove.
8236 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8237 * gcc.h (lang_specific_spec_functions): Remove.
8238 * gccspec.c (lang_specific_spec_functions): Remove.
8240 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8242 * combine.c (record_value_for_reg): Invalidate registers
8244 (record_dead_and_set_regs_1): Likewise, by passing them to
8245 record_value_for_reg.
8246 (record_dead_and_set_regs): Invalidate stores made by a
8247 call. We do not combine across a call, but we still
8248 relied on equivalences.
8250 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8252 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8253 vrp_int_const_binop returning non-constant nodes.
8255 2006-01-16 Paul Brook <paul@codesourcery.com>
8257 * config/m68k/m68k.c (output_move_const_into_data_reg):
8258 Output correct mnemonic for mvz and mvs.
8260 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8262 * rtl-factoring.c: Add sequence abstraction algorithm.
8263 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8264 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8266 (block_has_preserve_label): New function.
8267 * common.opt: Register new pass.
8268 * Makefile.in: Ditto.
8270 * timevar.def: Ditto.
8271 * tree-pass.h: Ditto.
8272 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8273 * rtl.h (make_jump_insn_raw): Add forward decl.
8274 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8276 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8277 Roger Sayle <roger@eyesopen.com>
8279 * fold-const.c (fold_minmax): New static function.
8280 (fold_binary) <MIN_EXPR>: Call it.
8281 <MAX_EXPR>: Likewise.
8282 * stor-layout.c (place_field): Use DECL_SIZE consistently
8283 in the computation of the new record size.
8285 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8287 * cse.c (cse_condition_code_reg): Make it static.
8288 * rtl.h: Remove the prototype for cse_condition_code_reg.
8290 * combine.c (combine_instructions): Make it static.
8291 * rtl.h: Remove the prototype for combine_instructions.
8293 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8296 * tree.c (get_file_function_name_long): Concatenate the first global
8297 object name with a string derived from the input filename of the object
8300 2006-01-16 Ben Elliston <bje@au.ibm.com>
8302 * config/i386/winnt-stubs.c: Update FSF address.
8303 * config/xtensa/ieee754-df.S: Ditto.
8304 * config/xtensa/ieee754-sf.S: Ditto.
8306 2006-01-14 Ian Lance Taylor <ian@airs.com>
8308 * ifcvt.c (noce_init_if_info): New static function, broken out of
8309 noce_process_if_block.
8310 (noce_process_if_block): Call noce_init_if_info.
8311 (check_cond_move_block): New static function.
8312 (cond_move_process_if_block): New static function.
8313 (process_if_block): Call cond_move_process_if_block.
8315 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8317 * cselib.c (hash_table): Rename to cselib_hash_table.
8318 (cselib_clear_table, discard_useless_values,
8319 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8320 cselib_init, cselib_finish): Adjust uses of hash_table.
8322 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8324 PR tree-optimization/25485
8325 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8326 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8327 is known to be false and true, respectively.
8329 2006-01-14 Richard Guenther <rguenther@suse.de>
8331 PR tree-optimization/22548
8332 PR tree-optimization/22555
8333 PR tree-optimization/22501
8334 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8335 * params.def (salias-max-array-elements): New parameter.
8336 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8337 * doc/invoke.texi (salias-max-array-elements): Document.
8338 * tree-flow-inline.h (var_can_have_subvars): We also handle
8340 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8342 * tree-ssa-structalias.c (params.h): Include.
8343 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8344 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8345 (get_constraint_for): For ADDR_EXPR operating on something
8346 containing an ARRAY_REF, add all subvars to the solution.
8347 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8348 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8349 for creating MUST_DEFs.
8350 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8352 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8354 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8356 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8357 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8358 number_of_iterations_le): New functions.
8359 (number_of_iterations_special): Removed.
8360 (number_of_iterations_exit): Do not use number_of_iterations_special.
8361 * tree.c (unsigned_type_for): Always return integer type.
8363 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8364 Richard Guenther <rguenther@suse.de>
8366 PR rtl-optimization/24257
8367 * gcse.c (find_moveable_store): Only consider a store movable
8368 when the SET_SRC of the insn can be assigned to a register.
8370 2006-01-14 Ian Lance Taylor <ian@airs.com>
8372 * tree.c (tree_not_class_check_failed): New function.
8373 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8374 (tree_not_class_check_failed): Declare.
8376 2006-01-13 Ian Lance Taylor <ian@airs.com>
8378 * reload1.c (do_output_reload): Add assertion rejecting a
8381 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8383 * combine.c (struct reg_stat): Add new fields truncation_label and
8385 (record_value_for_reg): Reset truncated_to_mode.
8386 (record_truncated_value): New function.
8387 (check_promoted_subreg): Call it. Rename to check_conversions.
8388 (combine_instructions): Rename check_promoted_subreg to
8390 (reg_truncated_to_mode): New function.
8391 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8392 (gen_lowpart_or_truncate): New function.
8393 (force_to_mode): Use it instead of gen_lowpart.
8395 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8397 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8398 VAR is a tag, not its type tag.
8400 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8402 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8403 alternatives to match style of other entries.
8404 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8406 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8408 PR tree-optimization/25771
8409 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8412 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8415 * tree-inline.c (declare_return_variable): If the return variable
8416 was marked as a non gimple complex, set the return slot variable
8417 to be a non gimple comple variable.
8419 2006-01-13 Richard Guenther <rguenther@suse.de>
8421 * builtins.c (expand_builtin_sincos): New function.
8422 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8424 (expand_builtin): Expand sincos using expand_builtin_sincos.
8426 2006-01-12 DJ Delorie <dj@redhat.com>
8428 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8429 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8430 so that constant shifts can be split.
8431 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8432 (m32c_valid_pointer_mode): Make static.
8433 (shift_gen_func_for): New.
8434 (m32c_prepare_shift): Use it. Split large const shifts into
8436 * config/m32c/predicates.md (shiftcount_operand): Allow more
8438 (longshiftcount_operand): New.
8439 * doc/md.texi (Machine Constraints): Document In6.
8441 2006-01-13 Ben Elliston <bje@au.ibm.com>
8443 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8444 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8447 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8449 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8450 to try to avoid clobbering pieces of structures when we know
8451 something about the whole structure.
8452 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8454 2006-01-13 Ben Elliston <bje@au.ibm.com>
8456 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8457 return in memory, as this is no limitation is no longer present.
8459 2006-01-12 DJ Delorie <dj@redhat.com>
8461 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8462 mova with fb, and for fb+0 -> An.
8464 * config/m32c/mov.md (peephole2): Fix enabling logic.
8466 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8467 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8468 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8469 FINI_ARRAY_SECTION_ASM_OP): Define.
8471 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8473 (m32c_legitimize_reload_address): New logic to reload FB to An.
8474 (m32c_output_reg_push): Add newline.
8475 (m32c_output_reg_pop): Likewise.
8477 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8479 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8481 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8483 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8485 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8487 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8490 2006-01-11 Ben Elliston <bje@au.ibm.com>
8492 * rtlanal.c (find_reg_note): Assert insn is not null.
8494 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8496 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8499 2006-01-11 Jeff Law <law@redhat.com>
8501 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8503 (mark_threaded_blocks, register_jump_thread): New functions.
8504 (thread_through_all_blocks): Remove unwanted argument. No
8505 longer rely on e->aux to communicate thread target info.
8506 Call mark_threaded_blocks. Release the threaded_blocks
8507 bitmap and threaded_edges vector when complete.
8508 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8509 (threaded_blocks): Remove.
8510 (tree_ssa_dominator_optimize): Remove initialization and
8511 finalization of threaded_blocks. Simplify call to
8512 thread_through_all_blocks.
8513 (thread_across_edge): Call register_jump_thread rather than
8514 storing thread information into e->aux.
8515 (free_all_edge_infos): Simplify now that e->aux is no longer
8516 used to communicate with thread_through_all_blocks.
8517 * tree-flow.h (thread_through_all_blocks): Update prototype.
8518 (register_jump_thread): Prototype.
8520 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8522 * df-core.c (df_compact_blocks, df_bb_replace): Use
8523 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8525 2006-01-11 Richard Guenther <rguenther@suse.de>
8527 PR tree-optimization/25734
8528 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8529 stop propagation after successful propagation to the LHS.
8531 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8533 * basic-block.h (control_flow_graph): Change the type of
8534 x_basic_block_info to VEC(basic_block,gc) *.
8535 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8537 (SET_BASIC_BLOCK): New.
8538 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8539 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8540 * cfgbuild.c (find_basic_blocks): Likewise.
8541 * cfglayout.c (fixup_reorder_chain): Likewise.
8542 * cfgrtl.c (create_basic_block_structure,
8543 rtl_create_basic_block): Likewise.
8544 * ifcvt.c (find_if_case_1): Likewise.
8545 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8548 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8550 * Makefile.in: Removed rotted odf.c entry.
8552 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8555 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8556 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8557 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8558 output pattern modifier, not %e.
8559 * config/cris/cris.c (cris_op_str): Update comment about pattern
8561 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8562 before falling through into...
8563 <case 'E'>: Redefined from old 'e' case.
8565 2006-01-11 Jan Hubicka <jh@suse.cz>
8568 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8570 2006-01-11 Jan Hubicka <jh@suse.cz>
8572 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8573 * i386.c (x86_decompose_lea): Kill.
8574 (ix86_rtx_costs): Kill.
8576 2006-01-11 Jan Hubicka <jh@suse.cz>
8578 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8579 * cgraph.h (cgraph_node): Add inline_decl.
8580 (cgraph_insert_node_to_hashtable): Declare.
8581 (save_inline_function_body): Declare.
8582 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8584 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8585 (cgraph_function_versioning): Update call of tree_function_versioning.
8586 (save_inline_function_body): New function.
8587 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8588 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8589 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8590 (cgraph_default_inline_p): Likewise.
8591 (cgraph_decide_inlining_incrementally): Likewise.
8592 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8593 (copy_bb): Kill saving; do updating of clones.
8594 (copy_cfg_body): Kill saving.
8595 (initialize_inlined-parameters): Likewise.
8596 (expand_call_inline): Likewise.
8598 (tree_function_versioning): New parameter "update_clones".
8599 (inlining_p): Kill saving.
8600 * tree-inline.h (tree_function_versioning): Update prototype.
8601 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8604 2006-01-11 Ian Lance Taylor <ian@airs.com>
8606 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8607 Allow undoing set of machine mode.
8608 (do_SUBST): Use enums instead of is_int.
8609 (do_SUBST_MODE): New function.
8610 (SUBST_MODE): New macro.
8611 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8612 reg and trying to replace reg_regno_rtx with a new register.
8613 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8614 (simplify_set): Use SUBST_MODE.
8615 (distribute_notes): Remove code that tried to update reg notes
8616 for regno_reg_rtx changes.
8618 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8620 PR tree-optimization/23109
8621 PR tree-optimization/23948
8622 PR tree-optimization/24123
8624 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8625 * tree-cfg.c (single_noncomplex_succ): New.
8626 * tree-flow.h (single_noncomplex_succ): Declare it.
8627 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8628 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8629 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8630 insert_bb, register_division_in, insert_reciprocals,
8631 replace_reciprocal, free_bb): New.
8632 (execute_cse_reciprocals_1): Rewritten.
8633 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8634 Do not commit any edge insertion. Always compute dominators and
8635 create the allocation pool.
8636 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8637 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8638 * targhooks.c (default_min_divistions_for_recip_mul): New.
8639 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8640 * passes.c (init_optimization_passes): Run recip after tree loop
8642 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8644 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8645 Kenneth Zadeck <zadeck@naturalbridge.com>
8647 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8648 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8649 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8650 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8651 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8652 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8653 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8654 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8655 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8656 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8657 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8658 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8659 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8660 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8661 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8662 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8663 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8664 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8665 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8666 DF_SCAN_POST_ALLOC): New macros.
8667 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8668 df_free_bb_function, df_local_compute_function, df_init_function,
8669 df_dataflow_function, df_confluence_function_0,
8670 df_confluence_function_n, df_transfer_function,
8671 df_finalizer_function, df_free_function, df_dump_problem_function,
8672 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8673 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8674 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8675 df_urec_bb_info, ) New types.
8676 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8678 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8679 df_analyze_simple_change_some_blocks,
8680 df_analyze_simple_change_one_block, df_compact_blocks,
8681 df_bb_replace, df_bb_regno_last_use_find,
8682 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8683 df_insn_regno_def_p, df_find_def, df_find_use,
8684 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8685 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8686 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8687 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8688 debug_df_chain, df_get_dependent_problem, df_chain_create,
8689 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8690 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8691 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8692 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8693 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8694 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8695 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8696 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8697 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8698 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8699 df_reorganize_refs, df_set_state, df_hard_reg_init,
8700 df_read_modify_subreg_p) New public functions.
8701 * df-core.c: The core dataflow solver and glue routines for rtl
8703 (df_init, df_add_problem, df_set_blocks, df_finish,
8704 df_hybrid_search_forward, df_hybrid_search_backward,
8705 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8706 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8707 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8708 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8709 df_reg_defined, df_find_use, df_reg_used, df_dump,
8710 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8711 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8712 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8713 debug_df_useno, reset_df_after_reload): New functions.
8714 * df-scan.c: The scanning fuctions, once in df.c, completely
8715 rewritten so that they now fully model the functionality of
8716 register usage at the backend.
8717 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8718 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8719 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8720 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8721 df_get_artificial_defs, df_get_artificial_uses,
8722 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8723 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8724 df_refs_delete, df_reorganize_refs, df_set_state,
8725 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8726 df_def_record_1, df_defs_record, df_uses_record,
8727 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8728 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8729 df_record_exit_block_uses, df_hard_reg_init): New functions.
8731 * df-problems.c: Seven concrete dataflow problems that use the
8732 scanning in df-scan.c and are solved by the engine in df-core.c.
8733 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8734 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8735 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8736 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8737 df_ru_free_bb_info, df_ru_alloc,
8738 df_ru_bb_local_compute_process_def,
8739 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8740 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8741 df_ru_transfer_function, df_ru_free, df_ru_dump,
8742 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8743 df_rd_free_bb_info, df_rd_alloc,
8744 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8745 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8746 df_rd_transfer_function, df_rd_free, df_rd_dump,
8747 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8748 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8749 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8750 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8751 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8752 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8753 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8754 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8755 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8756 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8757 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8758 df_urec_mark_reg_use_for_earlyclobber,
8759 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8760 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8761 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8762 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8763 df_chain_create_bb_process_use, df_chain_create_bb,
8764 df_chain_finalize, df_chain_free, df_chains_dump,
8765 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8766 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8767 df_reg_lifetime): New functions.
8768 * df.c: Deleted file.
8769 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8770 consistent with new df api.
8771 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8772 rest_of_handle_sms): Ditto.
8773 * web.c (unionfind_union, union_defs, entry_register, web_main):
8775 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8776 invariant_expr_equal_p, find_defs, check_dependencies,
8777 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8778 free_inv_motion_data, move_loop_invariants): Ditto.
8779 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8780 Update dependencies.
8781 (odf.c): Added defective entry that was deleted later in day.
8782 * sched-deps.c (sched_analyze_1): Ditto.
8784 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8786 * tree-ssa-operands.c (get_expr_operands): Record addressable
8787 variables directly. Do not call add_stmt_operands for CONST_DECLs
8789 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8790 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8792 2006-01-11 Ben Elliston <bje@au.ibm.com>
8794 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8795 function returns true in the positive case.
8797 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8800 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8801 for SI, DI, SF and DF modes. Add alternatives to copy between
8802 general and floating point registers to the 32-bit patterns.
8803 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8804 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8805 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8806 generating 64-bit code.
8807 * config/pa/pa.c (output_move_double): Handle copies between general
8808 and floating registers.
8810 2006-01-10 Stuart Hastings <stuart@apple.com>
8812 * config/i386/i386.md (set_got): Update.
8813 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8814 (builtin_setjmp_receiver): Mach-O support.
8815 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8816 (GOT_SYMBOL_NAME): Define.
8817 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8818 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8819 * config/i386/i386.c (override_options): Revise for Darwin.
8820 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8821 support. (darwin_x86_file_end): New. (output_set_got): Add label
8822 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8823 * config/i386/i386-protos.h (output_set_got): Likewise.
8824 * config/darwin.c (machopic_legitimize_pic_address): Update
8827 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8829 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8830 when MODE isn't BLKmode.
8832 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8834 PR rtl-optimization/25367
8835 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8837 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8840 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8841 for a negative bound.
8843 2006-01-10 Richard Guenther <rguenther@suse.de>
8845 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8846 Never override with anything constraint.
8848 2006-01-10 Jan Beulich <jbeulich@novell.com>
8850 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8851 256 bits when optimize_size.
8853 2006-01-10 Jan Beulich <jbeulich@novell.com>
8855 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8857 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8858 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8861 2006-01-10 Ben Elliston <bje@au.ibm.com>
8863 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8865 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8866 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8867 (USE_FP_FOR_ARG): Reject decimal float modes.
8868 (function_arg_advance): Likewise.
8869 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8870 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8871 point types in AltiVec vectors.
8872 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8873 (rs6000_libcall_value): Likewise.
8875 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8877 * config/xtensa/ieee754-df.S: New file.
8878 * config/xtensa/ieee754-sf.S: New file.
8879 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8880 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8881 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8883 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8885 * config/sh/predicates.md (binary_float_operator,
8886 binary_logical_operator, commutative_float_operator,
8887 equality_comparison_operator, greater_comparison_operator,
8888 less_comparison_operator, logical_operator,
8889 noncommutative_float_operator, shift_operator,
8890 symbol_ref_operand, unary_float_operator): Remove redundant
8893 2006-01-09 Jeff Law <law@redhat.com>
8895 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8896 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8897 now unused arguments. Callers updated.
8898 (eliminate_redundant_computations): Remove now unused arguments,
8900 (local_fold): Remove, no longer used.
8901 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8903 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8904 (simplify_cond): New function.
8905 (forward_propagate_into_cond): Call simplify_cond.
8907 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8909 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8910 (*vec_extractv2di_1_sse): New.
8912 2006-01-09 Ben Elliston <bje@au.ibm.com>
8914 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8916 2006-01-08 Richard Guenther <rguenther@suse.de>
8918 * tree-ssa-structalias.c (get_constraint_for): Remove
8920 (get_constraint_for_component_ref): Likewise.
8921 (do_deref): Likewise.
8922 (get_constraint_for): Likewise.
8923 (do_structure_copy): Likewise.
8924 (handle_ptr_arith): Likewise.
8925 (find_func_aliases): Likewise. Remove unused need_anyoffset
8928 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8929 Kaz Kojima <kkojima@gcc.gnu.org>
8931 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8932 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8933 (EXTRA_CONSTRAINT_C16): Remove.
8934 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8935 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8936 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8937 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8938 constants of SHmedia. Handle nested constant expressions of
8940 (andcosts): Fix the costs for SHmedia constants.
8941 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8942 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8943 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8944 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8945 (movv4hi_i, movv2si_i): Likewise.
8946 (movsi_const): Adjust the second operand of ior so to match with
8948 (movdi_const, movdi_const_32bit): Likewise.
8949 (movdi_const_16bit+1): Don't sign-extend LOW.
8950 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8952 (*double_shori): Fix the split condition. Use GEN_INT instead
8953 of get_int_mode calls. Mask lower 16-bit of the argument of
8955 (sym2GOTPLT): Remove.
8956 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8958 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8959 instead of EXTRA_CONSTRAINT_C16.
8961 2006-01-07 Ian Lance Taylor <ian@airs.com>
8962 David Edelsohn <edelsohn@gnu.org>
8964 PR rtl-optimization/25662
8965 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8966 for constant operands instead of simplify_gen_binary.
8967 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8968 after trying simplify_binary_operation
8970 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8972 * tree.c (iterative_hash_expr): Hash decls based on UID.
8974 2006-01-06 Eric Christopher <echristo@apple.com>
8976 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8977 (TARGET_UNWIND_EMIT): Fix spelling.
8978 * target.h (gcc_target): Add except_table_label.
8979 * except.c (output_function_exception_table): Use.
8980 * varasm.c (default_emit_except_table_label): New.
8981 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8983 (asm_out): Add here.
8984 * output.h (default_emit_except_table_label): Prototype.
8985 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8986 * config/darwin.c (darwin_emit_except_table_label): Define.
8987 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8989 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8991 PR tree-optimization/18527
8992 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8993 number_of_iterations_special, number_of_iterations_exit):
8994 Move base and step of an iv to a single structure. Add
8995 no_overflow flag, and use it in # of iterations analysis.
8996 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8997 folded_casts argument.
8998 (simple_iv): Pass base and step in a structure. Set no_overflow
9000 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9001 Evaluate expensiveness of computing # of iterations instead of
9002 the final expression.
9003 * tree-scalar-evolution.h (affine_iv): New structure.
9004 (simple_iv): Declaration changed.
9005 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9006 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9007 find_givs_in_stmt): Changed due to simple_iv change.
9009 2006-01-06 Jeff Law <law@redhat.com>
9012 * tree-cfg.c (bsi_replace): Rename final argument from
9013 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9014 change (stmt -> orig_stmt).
9015 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9016 (bsi_remove): Add new argument. Remove EH information
9018 (verify_eh_throw_table_statements): New function.
9019 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9021 * tree-optimize.c (execute_free_cfg_annotations): Verify
9022 the EH throw statement table after removing annotations.
9023 * except.h (verify_eh_throw_table_statements): Prototype.
9024 * tree-flow.h (bsi_remove): Update prototype.
9025 * tree-vrp.c (remove_range_assertions): Add new argument to
9027 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9028 * tree-complex.c (expand_complex_div_wide): Likewise.
9029 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9030 * tree-tailcall.c (eliminate_tailcall): Likewise.
9031 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9032 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9033 * tree-nrv.c (tree_nrv): Likewise.
9034 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9035 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9036 (combine_blocks): Likewise.
9037 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9038 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9039 (cleanup_control_flow): Likewise.
9040 (remove_forwarder_block): Likewise.
9041 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9042 * tree-sra.c (sra_replace): Likewise.
9043 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9044 (forward_propagate_single_use_vars): Likewise.
9045 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9046 * tree-inline.c (expand_call_inline): Likewise.
9047 * tree-vect-transform.c (vect_transform_loop): Likewise.
9048 * tree-outof-ssa.c (rewrite_trees): Likewise.
9049 * tree-cfg.c (make_goto_expr_edges): Likewise.
9050 (cleanup_dead_labels): Likewise.
9051 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9052 (bsi_move_before, bsi_move_after): Likewise.
9053 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9054 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9056 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9059 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9061 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9062 on non gimple variables. Also add checks at the top for decls and
9064 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9066 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9067 and IMAGPART_EXPR for creating MUST_DEFs.
9068 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9069 and NAME_MEMORY_TAG separately from the DECLs.
9071 2006-01-06 Richard Guenther <rguenther@suse.de>
9073 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9074 annotation, if necessary.
9075 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9076 redundant calls to update_stmt.
9077 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9080 2006-01-05 Richard Henderson <rth@redhat.com>
9082 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9084 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9086 * c-typeck.c: Update copyright date.
9088 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9090 * c-typeck.c (build_c_cast): Always warn when casting
9091 from a pointer to an integer of different size, even if
9092 the node was constant.
9094 2006-01-05 Richard Guenther <rguenther@suse.de>
9096 PR tree-optimization/22555
9097 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9098 if one structure field is an array.
9099 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9100 operands even if we found a subvar, but ignore VOPs in this
9102 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9104 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9106 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9109 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9111 2006-01-05 Richard Guenther <rguenther@suse.de>
9112 Diego Novillo <dnovillo@redhat.com>
9114 * tree-pass.h (TODO_remove_unused_locals): Define.
9115 * gimple-low.c (expand_var_p, remove_useless_vars,
9116 pass_remove_useless_vars): Remove. Update all users.
9117 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9118 (remove_unused_locals): New function.
9119 * tree-flow.h (remove_unused_locals): Declare.
9120 * passes.c (execute_todo): Call remove_unused_locals if
9121 TODO_remove_unused_locals is set.
9122 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9123 * tree-ssa-dce.c (pass_dce): Likewise.
9124 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9126 2006-01-05 Richard Guenther <rguenther@suse.de>
9128 * tree-flow.h (struct fieldoff): Decompose field to
9129 type, size and decl.
9130 * tree-ssa-alias.c (create_sft): Take type as parameter.
9131 (create_overlap_variables_for): Store type, size and decl
9132 in the fieldoff structure.
9133 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9135 (push_fields_onto_fieldstack): Likewise.
9136 (create_variable_info_for): Likewise. Use offset for the
9137 SFT name if the decl is not available.
9139 2006-01-04 Paul Brook <paul@codesourcery.com>
9141 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9143 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9145 * lambda-code.c (can_put_in_inner_loop): Relax
9147 (can_put_after_inner_loop): New function.
9148 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9149 (perfect_nestify): Change to make copies and modify uses.
9151 2006-01-04 Richard Henderson <rth@redhat.com>
9153 Merge from gomp branch:
9154 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9155 via integer constant.
9156 (pragma_lex): Remove.
9157 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9158 rather than parsing it.
9159 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9160 handle_pragma_extern_prefix): Add %< %> quotes.
9161 (registered_pragmas): New.
9162 (c_register_pragma_1): New.
9163 (c_register_pragma): Use it.
9164 (c_register_pragma_with_expansion): Likewise.
9165 (c_invoke_pragma_handler): New.
9166 (init_pragma): Use cpp_register_deferred_pragma directly for
9168 * c-pragma.h (enum pragma_kind): New.
9169 (pragma_handler): New.
9170 (c_invoke_pragma_handler): Declare.
9171 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9173 * c-common.h (c_common_pch_pragma): Update decl.
9174 * Makefile.in (c-parser.o): Update dependencies.
9175 (GTFILES): Add c-pragma.h.
9176 * c-parser.c (struct c_token): Add pragma_kind.
9177 (struct c_parser): Add in_pragma.
9178 (c_lex_one_token): Always initialize keyword and pragma_kind.
9179 Extract data for CPP_PRAGMA.
9180 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9181 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9182 Don't allow CPP_PRAGMA_EOL if in_pragma.
9183 (c_parser_consume_pragma): New.
9184 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9185 (c_parser_skip_to_end_of_parameter): Likewise.
9186 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9187 (c_parser_skip_to_pragma_eol): New.
9188 (c_parser_external_declaration): Handle CPP_PRAGMA.
9189 (c_parser_compound_statement_nostart): Likewise.
9190 (c_parser_statement_after_labels): Likewise.
9191 (c_parser_pragma): New.
9192 (pragma_lex): Likewise.
9193 (c_parser_pragma_pch_preprocess): New.
9194 (c_parser_new): Merge into ...
9195 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9197 2006-01-04 Jeff Law <law@redhat.com>
9200 * tree-cfg.c (bsi_replace): Remove the original statement
9201 from the EH throw statement table.
9203 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9205 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9206 make the prototype extern "C" and add throw ().
9209 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9210 and pos non-negative and pos + len <= 32.
9211 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9212 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9213 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9216 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9217 as well as sizes not multiple of component size.
9220 * function.c (instantiate_expr): New function.
9221 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9222 walk its DECL_VALUE_EXPR with instantiate_expr.
9224 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9225 DW_OP_deref{,_size} if address isn't going to be added.
9227 2006-01-04 Ben Elliston <bje@au.ibm.com>
9229 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9230 * config/fp-bit.c: Likewise.
9232 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9234 * dominance.c: Add comment about why we use DFS numbering
9237 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9238 Richard Henderson <rth@redhat.com>
9240 Merge from gomp-branch:
9241 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9242 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9244 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9246 PR rtl-optimization/25578
9247 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9248 pass a parameter to simplify_shift_const if changing ASHIFTRT
9251 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9253 * builtins.c (get_builtin_sync_mem): New function.
9254 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9255 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9256 Call get_builtin_sync_mem to generate mem rtx.
9258 2006-01-03 Richard Guenther <rguenther@suse.de>
9261 * stmt.c (add_case_node): Make sure to clear overflow flags
9264 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9266 Merge from gomp-branch.
9267 * config/sparc/sync.md: New file.
9268 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9269 UNSPECV_LDSTUB): New constants.
9270 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9271 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9272 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9275 2006-01-03 Roger Sayle <roger@eyesopen.com>
9277 * combine.c (reg_subword_p): New predicate to test whether the
9278 destination of a set refers to a subword/piece of a register.
9279 (try_combine): Generalize the code to merge the setting of a
9280 pseudo to a constant followed by a set of a subword of that
9281 register to a constant.
9283 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9285 * basic-block.h (control_flow_graph): Change the type of
9286 x_label_to_block_map to VEC(basic_block,gc) *.
9287 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9288 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9290 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9291 VEC(basic_block,heap) *.
9292 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9293 ssa_prop_fini): Adjust the uses of cfg_blocks.
9295 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9297 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9299 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9300 hashing trees instead of a pointer hash.
9301 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9302 compare for MEM_EXPR.
9304 PR rtl-optimization/25130
9305 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9306 when comparing MEMs for GCSE
9308 2006-01-03 Ben Elliston <bje@au.ibm.com>
9310 * targhooks.h (default_decimal_float_supported_p): Declare.
9311 * targhooks.c (default_decimal_float_supported_p): Define.
9312 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9313 `default_decimal_float_supported_p'.
9314 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9316 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9318 * combine.c (apply_distributive_law <SUBREG>): Check
9319 TRULY_NOOP_TRUNCATION.
9321 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9323 * dwarf2out.c (have_switched_text_section): Delete.
9324 (have_multiple_function_sections): New.
9325 (have_location_lists): Make 'bool'.
9326 (add_AT_loc_list): Use 'true' not '1'.
9327 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9328 (output_loc_list): Use have_multiple_function_sections.
9329 (output_ranges): Likewise.
9330 (dwarf2out_begin_function): Set have_multiple_function_sections if
9332 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9333 Check function_section rather than DECL_SECTION_NAME.
9334 (dwarf2out_finish): Use have_multiple_function_sections.
9335 Don't clear have_location_lists.
9337 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9338 Jan Hubicka <jh@suse.cz>
9340 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9341 case of conditional jump jumping to the next instruction.
9342 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9343 cases of conditional jump jumping to the next instruction.
9345 2006-01-02 Jan Hubicka <jh@suse.cz>
9347 * i386.c (*_cost): Add COSTS_N_INSNS.
9348 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9350 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9353 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9355 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9357 * config/arm/arm.c (all_fpus): Fix comment typo.
9358 * config/darwin.c: Likewise.
9359 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9360 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9361 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9363 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9365 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9366 (rs6000_split_compare_and_swapqhi): New.
9367 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9368 (sync_compare_and_swapqhi_internal): New.
9369 * config/rs6000/rs6000-protos.h: Declare.
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