1 2006-04-13 Roger Sayle <roger@eyesopen.com>
3 * fold-const.c (native_encode_expr): New function to encode
4 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5 or VECTOR_CST into a specified buffer.
6 (native_encode_int): New function.
7 (native_encode_real): New function.
8 (native_encode_complex): New function.
9 (native_encode_vector): New function.
10 (native_interpret_expr): Inverse of native_encode_expr to convert
11 a target representation into an INTEGER_CST, REAL_CST etc...
12 (native_interpret_int): New function.
13 (native_interpret_real): New function.
14 (native_interpret_complex): New function.
15 (native_interpret_vector): New function.
16 (fold_view_convert_expr): New function to constant fold/evaluate
17 a VIEW_CONVERT_EXPR of a suitable constant expression.
18 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
19 Change call of build1 to fold_build1 when constructing a
22 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
23 Ulrich Weigand <uweigand@de.ibm.com>
26 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
29 2006-04-13 Alan Modra <amodra@bigpond.net.au>
32 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
33 optimize to lo_sum for DFmode if !TARGET_FPRS.
35 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
37 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
38 delete_alias_info, compute_flow_sensitive_aliasing,
39 group_aliases): Use VEC instead of VARRAY.
40 * tree-ssa-structalias.c (update_alias_info): Likewise.
41 * tree-ssa-structalias.h (alias_info): Change the type of
42 processed_ptrs to VEC(tree,heap) *.
44 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
47 * config/sh/lib1funcs.h: New file, broken out of:
48 * config/sh/lib1funcs.asm.
49 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
51 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
52 * config/sh/lib1funcs-Os-4-200.asm: New file.
53 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
54 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
55 (EXTRA_MULTILIB_PARTS): Include it.
56 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
57 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
58 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
59 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
62 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
64 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
65 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
66 tpa_compact, root_var_init, type_var_init): Use VEC instead of
68 * tree-ssa-live.h: Include vecprim.h.
69 (tree_partition_associator_d): Change the type of
70 first_partition to VEC(int,heap) *.
71 (tpa_first_partition): Use VEC instead of VARRAY.
73 * Makefile.in (GTFILES): Move functions.h after tree.h.
74 * function.c (reset_block_changes, record_block_change,
75 check_block_change, free_block_changes): Use VEC instead of
77 * function.h (function): Change the type of
78 ib_boundaries_block to VEC(tree,gc) *.
79 * tree-inline.c (copy_cfg_body): Initialize
80 ib_boundaries_block to NULL instead of (varray_type) 0.
82 2006-04-12 Roger Sayle <roger@eyesopen.com>
84 * expr.c (emit_group_store): Correct operand order in call to
85 subreg_lowpart_offset. Always create paradoxical SUBREGs with
86 a SUBREG_BYTE of zero.
88 2006-04-12 Richard Guenther <rguenther@suse.de>
90 * profile.c (compute_branch_probabilities): Remove code
91 encapsulated in !ir_type (), which are remanents of the
92 removed RTL profiling code.
93 * rtl-profile.c: Remove.
95 2006-04-12 Alan Modra <amodra@bigpond.net.au>
97 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
98 magic NULL_RTX comment.
99 (function_arg): Store entire fp arg to mem if any part should go
101 (rs6000_arg_partial_bytes): Adjust for above change.
103 2006-04-11 Roger Sayle <roger@eyesopen.com>
105 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
106 if it hasn't been initialized by dwarf2out_init.
108 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
110 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
111 symbolic constants in branch patterns.
113 2006-04-11 Roger Sayle <roger@eyesopen.com>
115 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
117 2006-04-11 Richard Sandiford <richard@codesourcery.com>
119 PR rtl-optimization/27073
120 * gcse.c (try_replace_reg): Revert last change. Continue to search
121 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
124 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
126 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
127 aggregate types other than record and union types.
128 (function_arg): Likewise.
129 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
131 (function_value): In 64-bit mode, return objects that require it
134 2006-04-11 Roger Sayle <roger@eyesopen.com>
136 * dwarf2out.c (premark_used_types): Remove problematic prototype.
138 2006-04-11 Jakub Jelinek <jakub@redhat.com>
140 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
142 2006-04-03 Jeff Law <law@redhat.com>
145 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
146 alias information too.
148 2006-04-10 Mike Frysinger <vapier@gentoo.org>
150 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
152 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
155 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
156 (premark_used_types_helper): New.
157 (premark_used_types): New.
158 (gen_subprogram_die): Call premark_used_types.
159 (prune_unused_types_walk): Do not prune perennial dies.
160 * function.c (used_types_insert): New.
161 * function.h (struct function): Add used_types_hash field.
162 (used_types_insert): Add prototype.
163 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
164 * c-parser.c (c_parser_cast_expression): Save casted types in used
167 2006-04-11 Mark Mitchell <mark@codesourcery.com>
170 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
171 rs6000_explicit_options.float_gprs.
173 2006-04-10 Roger Sayle <roger@eyesopen.com>
175 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
176 from ix86_expand_vector_init_low_nonzero. Take an additional
177 one_var argument indicating which element is non-zero. Support
178 one_var != 0 for V4SFmode and V4SImode by permuting the result.
179 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
180 with one_var instead of ix86_expand_vector_init_low_nonzero.
182 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
184 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
185 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
186 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
187 build/genextract.o): Depend on vecprim.h.
188 * cfglayout.c, df-problems.c, function.c, genextract.c,
189 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
190 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
194 2006-04-10 Geoffrey Keating <geoffk@apple.com>
196 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
197 Declare VECs of this type.
198 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
199 (remove_children): Delete.
200 (add_dwarf_attr): Use VEC routines.
201 (add_AT_flag): Update for changes to add_dwarf_attr.
202 (add_AT_int): Likewise.
203 (add_AT_unsigned): Likewise.
204 (add_AT_long_long): Likewise.
205 (add_AT_vec): Likewise.
206 (add_AT_string): Likewise.
207 (add_AT_die_ref): Likewise.
208 (add_AT_fde_ref): Likewise.
209 (add_AT_loc): Likewise.
210 (add_AT_loc_list): Likewise.
211 (add_AT_addr): Likewise.
212 (add_AT_lbl_id): Likewise.
213 (add_AT_lineptr): Likewise.
214 (add_AT_macptr): Likewise.
215 (add_AT_offset): Likewise.
216 (add_AT_range_list): Likewise.
217 (get_AT): Use VEC_iterate.
218 (remove_AT): Use VEC_ordered_remove.
219 (free_die): Fold remove_children into here; have it use VEC_iterate.
220 (print_die): Use VEC_iterate on attrs.
221 (reverse_die_lists): Don't reverse attr lists.
222 (die_checksum): Use VEC_iterate on attrs.
223 (same_die_p): Likewise.
224 (output_location_lists): Likewise.
225 (build_abbrev_table): Likewise.
226 (size_of_die): Likewise.
227 (unmark_all_dies): Likewise.
228 (output_abbrev_section): Likewise.
229 (output_die): Likewise.
230 (prune_unused_types_walk_attribs): Likewise.
232 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
234 * doc/install.texi (*-*-solaris2*): Point to the configure page.
236 2006-04-10 Jakub Jelinek <jakub@redhat.com>
239 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
241 2006-04-09 Roger Sayle <roger@eyesopen.com>
243 * expr.c (store_constructor): Don't bother clearing target if
244 we're about to assign a vector to it using vec_init_optab.
246 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
248 * tree-ssa-alias.c (lhs_may_store_to): New function.
249 (recalculate_used_alone): Handle LHS of calls.
251 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
255 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
256 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
257 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
258 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
259 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
260 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
261 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
262 stubs. Add ".align 8" directives before all ".dword" directives.
263 (GTHREAD_USE_WEAK): Revise comment.
264 (TARGET_ATTRIBUTE_WEAK): Define.
265 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
266 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
267 * stublib.c: New file.
272 * pa.md (cbranch patterns): Revise arguments used in calls to
273 output_cbranch, output_bb and output_bvd. Add long branch length
275 (fbranch patterns): Handle long branches.
276 (jump): Revise length check. Revise arguments for output_lbranch call.
277 Add long branch length attributes.
278 (decrement_and_branch_until_zero): Add long branch length attributes.
279 (output_movb, output_parallel_addb and output_parallel_movb patterns):
280 Likewise. Revise arguments for output_parallel_addb and
281 output_parallel_movb calls.
282 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
283 output_parallel_movb and output_parallel_addb): Update prototypes.
284 * pa.c (output_cbranch): Revise arguments. Correct handling of
285 nullification in long branches.
286 (output_lbranch): Add new argument to control extraction of delay
288 (output_bb): Handle long branches.
289 (output_bvb, output_dbra, output_movb, output_parallel_movb,
290 output_parallel_addb): Likewise.
292 2006-04-09 Richard Sandiford <richard@codesourcery.com>
294 PR rtl-optimization/27073
295 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
298 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
300 * tree.h (tree_memory_tag): Add old_used_alone.
301 (SMT_OLD_USED_ALONE): New macro.
302 * tree-ssa-alias.c (recalculate_used_alone): Stop
303 marking things for renaming unnecessarily.
305 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
307 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
308 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
309 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
310 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
311 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
312 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
313 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
314 spelling convensions.
315 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
316 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
317 typos. Follow spelling conventions.
319 2006-04-07 DJ Delorie <dj@redhat.com>
321 * config/m32c/m32c.c (m32c_function_arg): Structures are always
323 (m32c_init_cumulative_args): When a function returns a structure,
324 always pass the pointer to that return area on the stack.
325 (m32c_function_arg_advance): Don't increment the parameter number
326 if we're processing the returned structure pointer.
327 (pushm_info): Reverse order of registers.
329 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
331 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
332 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
333 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
334 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
336 * tree-chrec.c (chrec_fold_multiply_poly_poly,
337 chrec_fold_multiply): Same.
338 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
339 force_expr_to_var_cost): Same.
340 * tree-mudflap.c (mf_xform_derefs_1): Same.
341 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
343 2006-04-07 David Edelsohn <edelsohn@gnu.org>
345 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
346 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
349 2006-04-07 Jan Hubicka <jh@suse.cz>
351 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
353 2006-04-07 Richard Guenther <rguenther@suse.de>
355 PR tree-optimization/26135
356 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
357 loads for store copy-prop.
358 (copy_prop_visit_stmt): Likewise.
360 2006-04-05 Robert Millan <robertmh@gnu.org>
362 * gcc/config/i386/linux.h: Add a comment to mark macros that are
363 being overriden in config/k*bsd-gnu.h.
364 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
366 * gcc/config/knetbsd-gnu.h: Ditto.
368 2006-04-06 Jan Hubicka <jh@suse.cz>
372 * coverage.c (coverage_checksum_string): Reorganize loop to not read
375 2006-04-06 Mike Stump <mrs@apple.com>
377 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
378 for HAVE_nonlocal_goto to be consistent.
379 (expand_builtin_nonlocal_goto): Likewise.
380 (expand_builtin_strcmp): Use #ifdef instead of #if
381 for HAVE_cmpstrnsi to be consistent.
383 2006-04-05 DJ Delorie <dj@redhat.com>
385 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
388 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
390 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
391 got-relative addressing for anything but SImode.
393 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
394 even if the calling function doesn't modify them.
396 2006-04-05 Richard Guenther <rguenther@suse.de>
398 PR tree-optimization/26919
399 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
400 to cgraph_estimate_size_after_inlining.
402 2006-04-05 Alan Modra <amodra@bigpond.net.au>
404 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
406 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
408 PR tree-optimization/26996
409 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
410 VECTOR_TYPE variables.
412 2006-04-05 Richard Guenther <rguenther@suse.de>
414 PR tree-optimization/26763
415 * fold-const.c (fold_comparison): Move folding of
416 PTR + CST CMP PTR + CST ...
417 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
419 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
421 * doc/install.texi (Prerequisites): Refine some wording on
422 bootstrapping and ksh.
423 Move the version numbers of DejaGnu here from the testing section
424 and fix casing of names.
425 Fix markup and clarify wording for autogen requirements.
426 Refer to GCJ instead of just java.
427 Refer to SVN instead of CVS.
428 Describe diffutils as useful instead of necessary.
429 (Downloading the source): Refer to SVN instead of CVS.
430 Adjust a link to our web site accordingly.
431 (Configuration): Fix casing of Bison.
432 (Building): Refer to SVN instead of CVS.
433 Fix a sentence on the use of Bison and remove duplicate (and
434 incorrect) version number of Bison requirement.
435 Remove one redundant list of packages needed for building.
436 (Specific): Avoid reference to CVS.
438 2006-04-04 Eric Christopher <echristo@apple.com>
440 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
441 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
442 (rs6000_handle_struct_attribute): New.
443 (rs6000_ms_bitfield_layout_p): Ditto.
445 2006-04-04 Geoffrey Keating <geoffk@apple.com>
447 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
448 NULL for dso parameter to atexit_common.
450 2006-04-04 Eric Christopher <echristo@apple.com>
452 * config/i386/i386.c (machopic_output_stub): Output \t
453 between instructions and operands.
455 2006-04-04 David Edelsohn <edelsohn@gnu.org>
457 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
458 satisfies_constraint_[IL] to explicit tests on value.
460 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
462 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
463 set_nb_iterations_in_loop): Use build_int_cst instead of
465 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
466 build_int_cst instead of convert.
468 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
470 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
471 new value 2 for incoming.
472 * function.c (expand_function_start): Call struct_value_rtx
474 * config/sparc/sparc.md: Comment updated_return.
475 * config/sparc/sparc.opt: Add -mstd-struct-return option.
476 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
477 struct return if sparc_std_struct_return and incoming is 2.
478 (print_operand): Do not adjust return if
479 sparc_std_struct_return.
481 2006-04-04 Roger Sayle <roger@eyesopen.com>
483 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
484 convert in the middle-end.
485 * expr.c (store_expr, store_constructor, get_inner_reference,
486 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
488 * tree.c (build_range_type): Likewise.
490 2006-04-04 Tom Tromey <tromey@redhat.com>
492 * doc/install.texi (Prerequisites): Mention jar.
494 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
496 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
499 2006-04-04 Matthias Klose <doko@debian.org>
501 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
503 2006-04-03 Geoffrey Keating <geoffk@apple.com>
505 * doc/extend.texi (Function Attributes): Rewrite visibility
506 attribute documentation.
507 * doc/invoke.texi (C++ Dialect Options): Rewrite
508 -fvisibility-inlines-hidden documentation to describe something
509 entirely different, although in practise compatible.
510 (Code Gen Options): Warn about system headers in -fvisibiltity=
513 * doc/extend.texi (Other Builtins): Document that
514 __builtin_nan is a compile-time constant only when its argument
517 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
519 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
520 trying to remove TRUNCATE check if all bits outside the new mode
521 are identical to the sign bit.
523 2006-04-03 Jeff Law <law@redhat.com>
525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
526 and operand scanning in some common cases.
528 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
529 Dale Johannesen <dalej@apple.com>
532 * regclass.c (struct reg_pref): Update documentation.
533 (regclass): Set prefclass to NO_REGS if memory is the best option.
534 (record_reg_classes): Cope with a prefclass set to NO_REGS.
535 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
536 into account. For non-registers, equate an empty preferred
537 reload class to a `!' in the constraint; move the if clause to
538 do so after those that reject the insn.
539 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
541 (find_dummy_reload): Likewise.
542 * doc/tm.texi (Register Classes): Document what it means
543 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
544 * config/i386/i386.c (ix86_preferred_reload_class): Force
545 using SSE registers (and return NO_REGS for floating-point
546 constants) if math is done with SSE.
547 (ix86_preferred_output_reload_class): New.
548 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
549 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
550 * config/i386/i386.md: Remove # register preferences.
552 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
555 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
556 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
558 (instantiate_parameters_1): Convert the operands before calling
559 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
560 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
562 2006-04-02 Roger Sayle <roger@eyesopen.com>
564 * builtins.c (dummy_object): Use build_int_cst instead of convert.
565 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
567 * dojump.c (do_jump): Likewise.
568 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
569 * gimplify.c (gimple_boolify, gimplify_init_constructor,
570 gimplify_boolean_expr): Likewise.
571 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
572 * varasm.c (array_size_for_constructor): Likewise.
573 * tree-object-size.c (compute_object_offset): Likewise.
575 2006-04-02 Roger Sayle <roger@eyesopen.com>
578 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
579 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
581 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
583 PR tree-optimization/26939
584 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
586 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
588 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
589 at_stmt. Convert the type of operands before calling
590 build_polynomial_chrec.
591 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
593 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
594 (instantiate_parameters_1): Convert the type of operands before calling
595 build_polynomial_chrec.
596 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
597 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
598 reset_evolution_in_loop): Insert asserts to check the types of the
600 (chrec_type): Moved...
601 (eq_evolutions_p): Use operand_equal_p.
602 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
603 the types of the operands.
604 (chrec_type): ...here.
605 * tree-data-ref.c (create_data_ref): Convert the operands before
606 calling chrec_replace_initial_condition.
607 (same_access_functions, analyze_subscript_affine_affine,
608 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
609 (compute_subscript_distance, analyze_ziv_subscript,
610 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
611 analyze_miv_subscript): Convert the operands before calling
612 chrec_fold_minus or chrec_fold_plus.
614 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
616 * tree-data-ref.c (compute_all_dependences): Use a pointer to
617 the dependence_relations vector.
618 (compute_data_dependences_for_loop): Adjust call to
619 compute_all_dependences.
621 2006-04-01 Roger Sayle <roger@eyesopen.com>
622 Richard Henderson <rth@redhat.com>
624 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
625 gimple_boolify on the condition before calling gimplify_expr.
627 2006-03-31 Bob Wilson <bob.wilson@acm.org>
629 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
630 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
631 the frame size. Update to use the new macros.
632 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
633 * config/xtensa/ieee754-df.S: Likewise.
635 2006-03-31 Richard Henderson <rth@redhat.com>
637 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
638 (make_edges): ... here. Control fallthru creation with a local
639 variable. Do not play with fake edges.
640 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
641 (make_goto_expr_edges): Don't play with fake edges. Make for_call
644 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
646 * dwarf2.h (DW64_CIE_ID): Define.
647 * dwarf2out.c (DWARF_CIE_ID): Define.
648 (output_call_frame_info): Output 0xffffffff before standard 8-byte
649 length header. Use DWARF_CIE_ID.
650 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
651 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
653 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
655 * config/sh/linux-atomic.asm: New file.
656 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
658 2006-03-31 DJ Delorie <dj@redhat.com>
660 * config/m32c/cond.md: Set condition flags properly throughout.
661 * config/m32c/minmax.md: Likewise.
662 * config/m32c/prologue.md: Likewise.
663 * config/m32c/bitops.md: Likewise.
664 * config/m32c/muldiv.md: Likewise.
665 * config/m32c/mov.md: Likewise.
666 * config/m32c/addsub.md: Likewise.
667 * config/m32c/m32c.md: Likewise.
668 * config/m32c/jump.md: Likewise.
669 * config/m32c/shift.md: Likewise.
671 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
672 conditionally output the pattern for this.
673 * config/m32c/m32c.c (flags_needed_for_conditional): New.
674 (m32c_compare_redundant): New.
675 (m32c_output_compare): New.
676 * config/m32c/m32c-protos.h (m32c_output_compare): New.
678 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
679 dest, not src. Allow other 4-byte modes.
681 2006-03-30 Denis Chertykov <denisc@overta.ru>
683 * doc/md.texi: Refer to avr/constraints.md instead of
686 2006-03-30 Roger Sayle <roger@eyesopen.com>
688 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
689 signed vs. unsigned comparison failures on some hosts.
691 2006-03-31 Alan Modra <amodra@bigpond.net.au>
694 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
695 change to FLOAT_REGS.
697 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
698 (rs6000_override_options): Use it.
699 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
700 only for -mabi=spe/no-spe and -mabi=altivec.
702 2006-03-30 Geoffrey Keating <geoffk@apple.com>
704 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
707 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
709 * Makefile.in: Rename docdir to gcc_docdir.
711 2006-03-30 Roger Sayle <roger@eyesopen.com>
714 * expr.c (emit_group_store): Optimize group stores into a pseudo
715 register by using a paradoxical subreg to initialize the destination
716 if the first or last member of the group specifies a "low part".
718 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
721 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
722 * target.h (struct gcc_target.speculate_insn): Change type of the
723 second parameter to 'int'.
724 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
725 the second operand of the DEPS_LIST.
726 (copy_DEPS_LIST_list): Update reference to the second operand of the
728 * rtl.h (alloc_DEPS_LIST): Update signature.
729 * sched-int.h (ds_t): Change typedef to 'int'.
730 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
732 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
734 * haifa-sched.c (try_ready): Change condition to restore
735 non-speculative pattern of the instruction.
736 (process_insn_depend_be_in_spec): Code to keep probability of the
737 speculative dependence non-decreasing.
739 2006-03-30 Jie Zhang <jie.zhang@analog.com>
741 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
742 (single_move_for_movmem): ... this. Also change all uses.
743 (bfin_expand_strmov): Renamed to...
744 (bfin_expand_movmem): ... this. Also change all uses.
745 * config/bfin/bfin.md (movstrsi): Renamed to...
748 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
750 PR tree-optimization/26830
752 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
753 (copy_prop_visit_stmt): Remove write-only variable ann.
754 (init_copy_prop): Check variable loop depth here. Do not simulate
755 memory-tag and virtual operand PHIs except for store copy prop.
757 2006-03-30 Richard Guenther <rguenther@suse.de>
759 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
760 variants with double arguments.
762 2006-03-29 David Edelsohn <edelsohn@gnu.org>
764 * genpreds.c (write_tm_constrs_h): Delete variable p.
765 * genconditions.c (write_header): Add tm-constrs.h to included
767 * genpeep.c (main): Add toplev.h to included headers.
768 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
769 (build/genpeep.o): Add toplev.h dependency.
770 * config/rs6000/constraints.md: Add "W" constraint.
772 2006-03-29 Roger Sayle <roger@eyesopen.com>
774 * stor-layout.c (mode_for_size_tree): Remove restiction on type
775 sizes by correctly testing whether the size fits a host integer.
776 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
777 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
778 SImode range for the default sizetype and bitsizetype.
780 2006-03-29 Roger Sayle <roger@eyesopen.com>
782 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
783 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
784 quickly if the argument is already of the correct type.
785 Call fold_build1 instead of build1. Tidy up blank lines.
787 2006-03-29 David Edelsohn <edelsohn@gnu.org>
789 * genemit.c (main): Add tm-constrs.h to included headers.
790 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
791 * genpeep.c (main): Add tm-constrs.h to included headers.
792 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
793 (write_tm_constrs_h): this and write complete file.
794 (write_tm_preds_h): Do not emit satisfies_constraint fns.
795 (write_insn_preds_c): Add tm-constrs.h to included headers.
796 (gen_constrs): New variable.
797 (parse_option): Parse "-c".
798 (main): Invoke write_tm_constrs_h.
799 * genrecog.c (write_header): Add tm-constrs.h to included headers.
800 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
801 (object_out_file): Add tm-constrs.h dependency.
803 (insn-output.o): Same.
805 (insn-preds.o): Same.
806 (insn-recog.o): Same.
807 (tm-constsr.h): New target.
808 (s-constrs-h): New target.
810 * config/rs6000/constraints.md: New file.
811 * config/rs6000/rs6000.c: Include tm-constrs.h.
812 (num_insn_constant_wide): Convert to satisfies_constraint.
813 (rs6000_rtx_costs): Convert to satisfies_constraint.
814 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
815 (CONST_OK_FOR_LETTER_P): Delete.
816 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
817 (EXTRA_CONSTRAINT): Delete.
818 (EXTRA_MEMORY_CONSTRAINT): Delete.
819 (EXTRA_ADDRESS_CONSTRAINT): Delete.
820 * config/rs6000/predicates.md: Convert to satisfies_constraint.
821 * config/rs6000/rs6000.md: Include constraints.md. Convert to
822 satisfies_constraint.
824 * config/i386/i386.c: Include tm-constrs.h.
826 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
828 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
829 * tree-data-ref.c (find_data_references_in_loop,
830 compute_data_dependences_for_loop): Use pointers to VEC.
831 (analyze_all_data_dependences): Adjust calls.
832 * tree-data-ref.h (find_data_references_in_loop,
833 compute_data_dependences_for_loop): Adjust declarations.
834 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
835 compute_data_dependences_for_loop.
837 2006-03-29 Paul Brook <paul@codesourcery.com>
839 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
842 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
844 PR tree-optimization/26859
845 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
847 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
848 for the step after fold_convert.
850 2006-03-29 Paul Brook <paul@codesourcery.com>
852 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
853 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
855 2006-03-29 Paul Brook <paul@codesourcery.com>
858 * targhooks.c (default_narrow_bitfield): New fuction.
859 * targhooks.h (default_narrow_bitfield): add prototype.
860 * target.h (gcc_target): Add narrow_volatile_bitfield.
861 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
862 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
863 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
864 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
866 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
868 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
870 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
871 (NR_C_MODES): Add TDmode, DDmode and SDmode.
872 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
873 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
874 (s390_function_arg_float): Allow SDmode and DDmode values to be
875 passed in floating point registers.
876 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
877 check with SCALAR_FLOAT_MODE_P.
878 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
880 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
882 PR tree-optimization/25985
883 * tree-ssa-loop-niter.c (number_of_iterations_le,
884 number_of_iterations_ne): Make comments more precise.
885 (number_of_iterations_cond): Add only_exit argument. Use the
886 fact that signed variables do not overflow only when only_exit
888 (loop_only_exit_p): New.
889 (number_of_iterations_exit): Pass result of loop_only_exit_p to
890 number_of_iterations_cond.
892 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
894 PR tree-optimization/26643
895 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
898 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
900 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
901 (divsi3_i4_int): Likewise.
903 2006-03-28 Roger Sayle <roger@eyesopen.com>
905 * expr.c (emit_group_store): Only create a new pseudo reg if the
906 quantity it needs to hold isn't already a suitable pseudo.
908 2006-03-28 Jeff Law <law@redhat.com>
910 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
911 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
913 2006-03-28 Roger Sayle <roger@eyesopen.com>
915 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
916 the equivalent ~X & Y, and the symmetry related transformations.
917 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
918 ~X & Y, and symmetry related transforms.
920 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
922 Revert my 2006-03-27 patches.
924 2006-03-28 Roger Sayle <roger@eyesopen.com>
926 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
927 ~(T1)X, when T1 and T2 are integer types of the same precision
928 and (T2)X isn't an extension.
930 2006-03-28 Jeff Law <law@redhat.com>
932 PR tree-optimization/26796
933 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
934 need EH edge cleanups rather than purging them immediately.
935 (eliminate_degenerate_phis): Handle queued EH cleanups.
937 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
939 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
942 2006-03-27 Roger Sayle <roger@eyesopen.com>
945 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
946 cast BIT_NOT_EXPR operand to the correct type.
948 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
950 * tree-loop-linear.c: Don't include varray.h.
951 (gather_interchange_stats, try_interchange_loops,
952 linear_transform_loops): Use VEC instead of VARRAY.
953 * lambda-mat.c: Don't include varray.h.
954 * tree-chrec.c: Same.
955 * lambda-trans.c: Same.
956 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
957 VEC instead of VARRAY.
958 * tree-vectorizer.h: Idem.
959 * tree-data-ref.c (dump_data_references,
960 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
961 initialize_data_dependence_relation, finalize_ddr_dependent,
962 compute_all_dependences, find_data_references_in_loop,
963 compute_data_dependences_for_loop, analyze_all_data_dependences,
964 free_dependence_relation, free_dependence_relations,
965 free_data_refs): Idem.
966 * tree-data-ref.h (data_reference_p, subscript_p): New.
967 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
968 VEC instead of VARRAY.
969 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
970 (find_data_references_in_loop, compute_data_dependences_for_loop,
971 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
972 dump_data_dependence_relations, free_dependence_relations,
973 free_data_refs): Adjust declaration.
974 (lambda_transform_legal_p): Move declaration here...
975 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
976 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
977 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
978 vect_analyze_data_refs): Use VEC instead of VARRAY.
979 * lambda.h (lambda_transform_legal_p): ...from here.
980 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
981 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
982 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
983 tree-chrec.o): Don't depend on VARRAY_H.
985 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
987 * rtl.def (Copyright): Update date.
988 (DEPS_LIST): Change type of the second operand to 'int'.
989 * target.h (Copyright): Update date.
990 (struct gcc_target.speculate_insn): Change type of the second parameter
992 * lists.c (Copyright): Update date.
993 (alloc_DEPS_LIST): Change signature. Update reference to the second
994 operand of the DEPS_LIST.
995 (copy_DEPS_LIST_list): Update reference to the second operand of the
997 * rtl.h (Copyright): Update date.
998 (alloc_DEPS_LIST): Update signature.
999 * sched-int.h (Copyright): Update date.
1000 (ds_t): Change typedef to 'int'.
1001 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1003 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1005 * haifa-sched.c (Copyright): Update date.
1006 (try_ready): Change condition to restore non-speculative pattern
1008 (process_insn_depend_be_in_spec): Code to keep probability of the
1009 speculative dependence non-decreasing.
1011 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1013 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1014 shut up the compiler.
1016 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1018 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1019 to use lib prefix for target.
1020 ($(T)libic_invalidate_array_4-200.a): Likewise.
1021 ($(T)libic_invalidate_array_4a.a): Likewise.
1023 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1024 J"orn Rennecke <joern.rennecke@st.com>
1026 * superh.opt: New file.
1027 * sh.c (boardtype, osruntime): Remove.
1028 * superh.h (SUBTARGET_OPTIONS): Remove.
1029 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1031 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1032 arguments with ^ and/or [].
1034 * config.gcc (sh-*-*): Add quoting to account for quirk of
1036 Replace == with = in enable_incomplete_targets test.
1038 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1039 with MASK_LITTLE_ENDIAN.
1041 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1042 * config/sh/sh.opt: Added to some comments.
1043 * config/sh/superh.h: Removed some chaff.
1045 * config/sh/sh.opt: Add m4-[1234]00* options.
1046 * config/sh/sh.c (sh_handle_option): Likewise.
1047 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1048 (ic_invalidate_array_4-100.o): New rule.
1049 ($(T)libic_invalidate_array_4-100.a): Likewise.
1050 (ic_invalidate_array_4-200.o): Likewise.
1051 ($(T)libic_invalidate_array_4-200.a): Likewise.
1052 (ic_invalidate_array_4a.o): Likewise.
1053 ($(T)libic_invalidate_array_4a.a): Likewise.
1054 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1055 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1057 * config/sh/crt1.asm: Merged in profiling code.
1058 * config/sh/superh.h (STARTFILE_SPEC): Override.
1059 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1060 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1061 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1063 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1064 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1065 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1067 * sh.opt (mpretend-cmove): New option.
1068 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1069 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1070 (movsicc): Add TARGET_PRETEND_CMOVE code.
1072 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1074 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1075 s390_class_max_nregs): New function prototypes.
1076 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1077 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1078 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1079 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1081 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1083 * dwarf2out.c (add_location_or_const_value_attribute): Call
1084 tree_add_const_value_attribute if nothing else works.
1085 (reference_to_unused): New.
1086 (rtl_for_decl_init): Use reference_to_unused to decide whether
1087 to output an initializer.
1089 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1092 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1093 peephole removing spe frob_di_df_2.
1095 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1097 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1098 (subscript_dependence_tester_1): Declared.
1099 (print_dir_vectors, print_dist_vectors): New.
1100 (debug_data_dependence_relation): New.
1101 (dump_data_dependence_relation): Print more details.
1102 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1103 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1104 (save_dist_v, save_dir_v, add_outer_distances,
1105 build_classic_dist_vector_1): New.
1106 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1107 Don't test for lambda_vector_lexico_pos.
1108 (same_access_functions, add_multivariate_self_dist,
1109 add_other_self_distances, dir_from_dist): New.
1110 (build_classic_dir_vector): Replace implementation almost identical to
1111 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1113 (subscript_dependence_tester_1): New.
1114 (subscript_dependence_tester): Handle the lexicographically negative
1115 distance vectors by recomputing the dependence relation.
1116 (compute_affine_dependence): Remove parameter loop_nest_depth.
1117 (compute_self_dependence): Don't call compute_subscript_distance.
1118 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1119 Add a parameter for the loop_nest.
1120 (find_loop_nest_1, find_loop_nest): New.
1121 (compute_data_dependences_for_loop): Compute the loop nest, and give
1122 up if the nest is not well formed.
1123 * tree-data-ref.h (loop_p): New.
1124 (struct data_dependence_relation): Replace size_vect field with
1125 loop_nest, a vec of loops.
1126 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1127 (DDR_LOOP_NEST): New.
1128 (print_dir_vectors, print_dist_vectors,
1129 debug_data_dependence_relation): Declared.
1130 (index_in_loop_nest): New.
1131 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1132 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1135 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1137 * simplify-rtx.c (simplify_relational_operation): Call
1138 simplify_relational_operation_1 even if mode is VOIDmode.
1140 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1142 PR tree-optimization/26804
1143 * tree.h (DECL_CALL_CLOBBERED): New macro.
1144 (tree_decl_common): Add call_clobbered_flag.
1145 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1146 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1147 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1148 (mark_non_addressable): Ditto.
1149 * tree-ssa.c (verify_call_clobbered): New function.
1150 (verify_alias_info): Use it.
1151 * tree-pass.h (pass_reset_cc_flags): New prototype.
1152 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1153 (reset_cc_flags): New function.
1154 * passes.c (init_optimization_passes): Call reset_cc_flags after
1155 initializing referenced_vars.
1157 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1158 Roger Sayle <roger@eyesopen.com>
1161 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1162 to 1.0 for non-real operands. Implement A / A optimization for
1165 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1167 * config/i386/i386.c (size_cost): Correct the comment for
1168 cost of storing fp registers.
1169 (i386_cost): Likewise.
1170 (i486_cost): Likewise.
1171 (pentium_cost): Likewise.
1172 (pentiumpro_cost): Likewise.
1173 (k6_cost): Likewise.
1174 (athlon_cost): Likewise.
1175 (k8_cost): Likewise.
1176 (pentium4_cost): Likewise.
1177 (nocona_cost): Likewise.
1178 (generic64_cost): Likewise.
1179 (generic32_cost): Likewise.
1181 2006-03-24 Denis Chertykov <denisc@overta.ru>
1183 * config/avr/avr-protos.h (extra_constraint): Delete.
1184 (extra_constraint_Q): New declaration.
1185 * config/avr/constraints.md: New file.
1186 * config/avr/avr.md: Include it.
1187 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1188 (TMP_REGNO, ZERO_REGNO): Likewise.
1189 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1190 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1191 (extra_constraint): Delete.
1192 (extra_constraint_Q): Test for memory constraint 'Q'.
1193 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1194 (REG_CLASS_FROM_LETTER): Delete.
1195 (CONST_OK_FOR_LETTER_P): Delete.
1196 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1197 (EXTRA_CONSTRAINT): Delete.
1198 (TMP_REGNO): Delete.
1199 (ZERO_REGNO): Delete.
1201 2006-03-24 Jeff Law <law@redhat.com>
1203 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1204 directly. Call mark_new_vars_to_rename slightly earlier.
1206 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1208 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1210 (gen_compile_unit_die): Use new language types for Objective-C and
1212 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1213 DW_LANG_C_plus_plus.
1216 * config/t-darwin (crt3.o): Work around bug 26840.
1217 * config/darwin-crt3.c: Rewrite.
1218 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1220 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1222 * doc/invoke.texi: Document -femit-class-debug-always
1223 * common.opt: Add -femit-class-debug-always.
1225 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1227 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1228 index and base register.
1229 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1230 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1231 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1232 REGNO_OK_FOR_INDEX_P.
1233 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1235 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1236 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1237 REG_OK_FOR_BASE_P): Definitions removed.
1239 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1242 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1243 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1244 set yet or weren't marked as local yet.
1246 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1248 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1251 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1253 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1254 (rs6000_legitimate_small_data_p): Delete.
1255 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1256 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1257 and make static. Add forward declaration. Update uses.
1258 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1259 of offsettable_memref_p.
1260 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1261 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1263 2006-03-24 Jeff Law <law@redhat.com>
1265 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1266 around bug in immediate-use iterator.
1268 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1271 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1272 or __LITTLE_ENDIAN__.
1274 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1276 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1277 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1278 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1279 * config/sh/sh.opt (mdiv=): Amend description.
1280 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1281 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1282 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1283 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1284 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1285 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1286 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1287 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1288 TARGET_DIVIDE_CALL_FP.
1290 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1292 * haifa-sched.c (choose_ready): Fix type of the local variable.
1293 Move local variables. Add comment.
1294 (check_reg_live): Change signature. Make callable from debugger.
1295 * sched-int.h (check_reg_live): Update signature.
1296 * sched-ebb.c (check_reg_live): Update parameters.
1297 * sched-rgn.c (check_reg_live): Ditto.
1298 (region_head_or_leaf_p): Check pointer before dereferencing.
1299 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1300 before reload on optimization levels below 1.
1302 2006-03-23 Richard Henderson <rth@redhat.com>
1304 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1308 * config/alpha/predicates.md (local_symbolic_operand): Reject
1311 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1314 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1315 expressions which have overflowed constants.
1317 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1319 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1321 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1323 * cfgloopmanip.c (create_loop_notes): Removed.
1324 * final.c (final_scan_insn): Do not handle loop notes.
1325 * jump.c (squeeze_notes): Ditto.
1326 * cfglayout.c (skip_insns_after_block,
1327 duplicate_insn_chain): Ditto.
1328 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1330 * cfgloop.h (create_loop_notes): Declaration removed.
1332 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1334 * varasm.c (output_constant_pool): Restore fnname and fndecl
1336 (assemble_start_function): Adjust call accordingly.
1337 (assemble_end_function): Likewise.
1339 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1342 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1345 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1347 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1350 * system.h (ICE_EXIT_CODE): New macro.
1351 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1352 (diagnostic_action_after_output): Likewise.
1353 * gcc.c (fatal_ice): New function.
1354 (execute): Use it instead of fatal.
1355 (fancy_abort): Likewise.
1356 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1358 2006-03-22 Jeff Law <law@redhat.com>
1360 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1361 iv_analyze_result returning false.
1363 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1365 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1367 2006-03-22 Richard Henderson <rth@redhat.com>
1370 * except.c (duplicate_eh_regions_0): New.
1371 (duplicate_eh_region_1): Duplicate the children of the node as
1372 well as the node itself. Link them up properly.
1373 (duplicate_eh_region_2): Merge into ...
1374 (duplicate_eh_regions): ... here. Take copy_region argument, and
1375 copy only a sub-tree if asked. Simplify copying and fixup.
1376 (eh_region_outer_p): New.
1377 * except.h (duplicate_eh_regions): Update decl.
1378 (eh_region_outer_p): Declare.
1379 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1380 (lower_omp_master): Likewise.
1381 (lower_omp_ordered): Likewise.
1382 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1383 (move_stmt_r): Use it to remap labels. Handle recursion vs
1384 remap_decls_p properly.
1385 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1386 (find_outermost_region_in_block): New.
1387 (new_label_mapper): New.
1388 (move_sese_region_to_fn): Copy eh information to the new function
1390 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1392 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1395 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1397 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1398 into shared libraries.
1400 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1402 * doc/md.texi: Refer to i386/constraints.md instead of
1404 * config/i386/constraints.md: New file, extracted from...
1405 * config/i386/predicates.md: ...here.
1406 * config/i386/i386.md: Include constraints.md.
1408 2006-03-21 Jason Merrill <jason@redhat.com>
1410 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1413 * expr.c (init_block_move_fn): Force default visibility.
1414 (init_block_clear_fn): Likewise.
1415 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1416 * targhooks.c (default_external_stack_protect_fail): Likewise.
1418 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1420 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1421 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1422 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1423 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1424 (loadgp): Use mips_current_loadgp_style.
1425 (loadgp_noshared): New pattern.
1426 (sibcall_internal): Use MIPS_CALL.
1427 (sibcall_value_internal): Likewise.
1428 (sibcall_value_multiple_internal): Likewise.
1429 (call_internal): Likewise.
1430 (call_value_internal): Likewise.
1431 (call_value_multiple_internal): Likewise.
1432 (call_split): Use MIPS_CALL and add an 'S' constraint.
1433 (call_value_split): Likewise.
1434 (call_value_multiple_split): Likewise.
1435 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1436 (-mshared): New option.
1437 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1438 (mips_current_loadgp_style): Declare.
1439 * config/mips/mips.c (mips_classify_symbol): Avoid using
1440 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1441 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1442 TARGET_ABSOLUTE_ABICALLS.
1443 (override_options): Adjust comments. Improve the warning that is
1444 issued when -mabicalls and -G are used together.
1445 (mips_file_start): Remove comment.
1446 (mips_current_loadgp_style): New function.
1447 (mips_gnu_local_gp): New variable.
1448 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1450 (mips_output_function_prologue): Use mips_current_laodgp_style.
1451 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1452 the cprestore instruction.
1453 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1454 live for TARGET_ABSOLUTE_ABICALLS.
1455 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1456 (ASM_SPEC): Pass down -mshared and -mno-shared.
1457 (MIPS_CALL): New macro.
1458 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1460 * doc/invoke.texi (-mabicalls): Update documentation.
1461 (-mshared): Document.
1463 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1465 * config/ia64/unwind-hpux.c: New file.
1466 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1468 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1471 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1473 2006-03-21 Jeff Law <law@redhat.com>
1475 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1476 type conversions of a VR_VARYING source to a wider type.
1478 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1480 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1481 tm_file on Solaris 10 and later.
1482 (sparc64-*-solaris2*): Likewise.
1483 (sparc-*-solaris2*): Likewise.
1484 * config/sol26.h: Rename to config/sol2-6.h.
1485 * config/sol2-10.h: New file.
1487 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1490 * tree-ssa-pre.c (create_component_ref_by_pieces):
1493 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1496 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1497 return it immediately.
1499 2006-03-21 Michael Matz <matz@suse.de>
1501 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1503 (remove_arc, add_arc): Update num_out_arcs member.
1504 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1506 (cache_presence): New function.
1507 (compare_states_for_equiv): New function.
1508 (state_is_differed): Don't take number of outargs, adjust callers.
1509 Use new invariant for speeding up.
1510 (init_equiv_class): Create initial classes based on sorted
1512 (partition_equiv_class): Don't track out_arcs_num.
1513 (evaluate_equiv_classes): Call cache_presence on all states and
1516 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1518 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1519 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1520 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1521 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1523 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1524 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1525 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1526 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1527 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1529 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1530 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1531 (REGNO_REG_CLASS): ARGP is in PREGS.
1532 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1534 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1535 to deal with those addresses.
1536 * addresses.h: New file.
1537 * caller-save.c: Include "addresses.h".
1538 (init_caller_save): Use new base_reg_class function.
1539 * rtl-factoring.c: Include "addresses.h".
1540 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1541 * recog.c: Include "addresses.h".
1542 (preprocess_constraints): Use new base_reg_class function.
1543 * regrename.c: Include "addresses.h".
1544 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1545 functions. Keep track of a new var INDEX_CODE to compute valid
1547 (replace_oldest_value_addr): Likewise.
1548 (replace_oldest_value_mem): Use base_reg_class.
1549 * reload.c: Include "addresses.h".
1550 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1551 (find_reloads): Use new base_reg_class function.
1552 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1553 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1554 all callers and prototype changed.
1555 * reload1.c: Include "addresses.h".
1556 (maybe_fix_stack_asms): Use base_reg_class.
1557 * regclass.c: Include "addresses.h".
1558 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1559 (init_reg_autoinc): Use new base_reg_class function.
1560 (record_reg_classes): Likewise.
1561 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1562 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1563 Use new args to compute necessary class.
1565 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1566 regrename.o, rtl-factoring.o): Update dependencies.
1567 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1568 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1569 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1570 REG_OK_FOR_INDEX_P): Delete documentation.
1572 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1574 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1575 from V7 to V9 for Solaris 7 and above.
1577 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1579 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1580 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1581 argument pointers may not alias any other storage.
1582 * common.opt: Define option -fargument-noalias-anything.
1583 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1584 alias semantics is specified by flag_argument_noalias > 2.
1586 2006-03-20 Jeff Law <law@redhat.com>
1588 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1589 (pass_phi_only_cprop): Declare.
1590 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1592 * tree-ssa-dom.c (degenerate_phi_result): New function.
1593 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1594 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1595 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1596 (eliminate_degenerate_phis): Likewise.
1597 (pass_phi_only_cprop): New pass descriptor.
1598 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1599 support code. Callers updated.
1600 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1601 (store_copy_prop): Likewise.
1602 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1604 2006-03-20 Jason Merrill <jason@redhat.com>
1607 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1608 (push_visibility, pop_visibility): Likewise.
1609 * c-pragma.h: Declare them.
1611 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1613 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1615 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1616 parameter and use get_ebb_head_tail.
1617 (sh_md_init_global): Adjust uses of find_regmode_weight.
1619 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1621 * function.h (struct function) <x_tail_recursion_reentry>:
1622 Rename to x_stack_check_probe_note.
1623 (tail_recursion_reentry): Rename to stack_check_probe_note.
1624 * function.c: Replace tail_recursion_reentry with
1625 stack_check_probe_note everywhere.
1626 (expand_function_start): Only emit a note for
1627 stack_check_probe_note with -fstack-protect.
1628 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1630 * emit-rtl.c (remove_unnecessary_notes): Remove.
1631 (pass_remove_unnecessary_notes): Remove.
1632 * rtl.h (remove_unnecessary_notes): Remove prototype.
1633 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1634 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1635 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1637 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1640 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1641 (valid_in_set): Handle ARRAY_REF.
1642 Change "if min_variant or VH" to asserts.
1643 (create_component_ref_by_pieces): Handle ARRAY_REF.
1644 (create_expression_by_pieces): Likewise.
1645 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1647 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1649 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1650 is operand of switch, not str[0].
1652 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1654 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1655 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1657 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1659 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1660 end of insn_extra_address_constraint declaration.
1662 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1664 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1665 (no-sum-in-toc): Same.
1666 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1668 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1669 NO_FP_IN_TOC for -fPIC instead of mask.
1671 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1672 (BOOT_LDFLAGS): Delete.
1674 * config/rs6000/t-aix52: Same.
1676 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1677 (stmsi[345678]_power): New.
1679 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1681 * config/ia64/ia64.opt: Add empty line to end of file.
1683 2006-03-17 Richard Guenther <rguenther@suse.de>
1686 * builtins.c (get_pointer_alignment): For component style references
1687 adjust alignment to the component type alignment. Make sure
1688 to adjust alignment for component access of constants.
1690 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1692 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1695 2006-03-17 Paul Brook <paul@codesourcery.com>
1697 * doc/install.texi: Docuemnt --with-mode.
1698 * config.gcc: Add --with-mode for arm*-*-*.
1699 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1701 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1703 * sh.c (max_labelno_before_reorg): New variable.
1704 (sh_reorg): Initialize it.
1705 (find_barrier): Check max_labelno_before_reorg before using
1706 label_to_alignment. Take length of explicit alignment insns
1707 into account. When seeing a UNSPECV_CONST_END, return it.
1709 * sh.c (fixup_mova): Set mode of affected label to QImode.
1710 (untangle_mova): New function.
1711 (find_barrier): Use it. Check mode of label before decrementing
1713 (sh_reorg): Likewise.
1714 Set mode of all insns back to VOIDmode.
1716 * sh.c (MOVA_LABELREF): New macro.
1717 (mova_p, fixup_mova, sh_reorg): Use it.
1718 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1719 ADDR_DIFF_VEC matches mova.
1721 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1723 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1724 with ATTRIBUTE_UNUSED.
1726 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1728 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1729 pointer, instead of assuming it is possible to derive the
1730 correct args size from a call insn.
1732 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1734 * rtl.h (CONST_INT_P): Define.
1735 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1736 instead of GET_CODE(x) == CONST_INT.
1737 (vax_rtx_costs): Likewise.
1738 (vax_output_int_move): Likewise.
1739 (vax_output_int_add): Likewise.
1740 (legitimate_constant_address_p): Likewise.
1741 (index_term_p): Likewise.
1742 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1743 * config/vax/vax.md (and<mode>3): Likewise.
1744 (ashrsi3): Likewise.
1746 (movstricthi): Likewise.
1747 (movstrictqi): Likewise.
1748 (rotrsi3): Likewise.
1749 (five unnamed insns): Likewise.
1751 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1753 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1754 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1755 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1756 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1757 Pass to ASM_OUTPUT_DWARF_OFFSET.
1758 * dwarf2out.c (debug_frame_section): New.
1759 (output_call_frame_info): Use debug_frame_section. Pass it to
1760 dw2_asm_output_offset.
1761 (output_die): Pass appropriate section to dw2_asm_output_offset.
1762 (output_compilation_unit_header): Likewise.
1763 (output_pubnames): Likewise.
1764 (output_aranges): Likewise.
1765 (enum dw_val_class): Break dw_val_class_lbl_offset into
1766 dw_val_class_lineptr and dw_val_class_macptr.
1767 (add_AT_lbl_offset): Delete.
1768 (add_AT_lineptr): New.
1769 (add_AT_macptr): New.
1770 (AT_lbl): Expect a lineptr or macptr.
1771 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1772 (attr_checksum): Likewise.
1773 (same_dw_val_p): Likewise.
1774 (size_of_die): Likewise.
1775 (value_format): Likewise.
1776 (output_die): Likewise.
1777 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1779 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1780 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1781 * config/darwin-protos.h (darwin_file_start): New.
1782 (darwin_asm_output_dwarf_offset): New.
1783 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1784 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1786 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1787 if not EH section; simplify.
1788 (darwin_file_start): New.
1789 (darwin_asm_output_dwarf_offset): New.
1790 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1792 (DEBUG_INFO_SECTION): Likewise.
1793 (DEBUG_ABBREV_SECTION): Likewise.
1794 (DEBUG_ARANGES_SECTION): Likewise.
1795 (DEBUG_MACINFO_SECTION): Likewise.
1796 (DEBUG_LINE_SECTION): Likewise.
1797 (DEBUG_LOC_SECTION): Likewise.
1798 (DEBUG_PUBNAMES_SECTION): Likewise.
1799 (DEBUG_STR_SECTION): Likewise.
1800 (DEBUG_RANGES_SECTION): Likewise.
1801 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1802 (ASM_OUTPUT_DWARF_OFFSET): New.
1804 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1806 * config.gcc (tm_defines): Always add to previous value rather
1809 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1811 * config/mips/predicates.md (splittable_const_int_operand): New,
1812 split from move_operand.
1813 (splittable_symbolic_operand): New.
1814 (move_operand): Add commentary. Use splittable_const_int_operand.
1815 Inline mips_atomic_symbolic_constant_p.
1816 * config/mips/mips.md: Add combine splitters for handling moves
1817 of splittable_const_int_operands and splittable_symbolic_operands.
1818 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1819 (mips_split_symbol): Declare.
1820 (mips_move_integer): Declare.
1821 * config/mips/mips.c (mips_split_p): Make global.
1822 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1823 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1824 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1825 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1826 (mips_offset_within_object_p): Handle block symbols.
1827 (mips_atomic_symbolic_constant_p): Delete.
1828 (mips_cannot_force_const_mem): Return false for constants that
1829 mips_legitimize_move can handle.
1830 (mips_use_blocks_for_constant_p): New function.
1831 (mips_split_symbol): Make global.
1832 (mips_move_integer): Likewise. Add a temporary register argument.
1833 (mips_legitimize_const_move): Use splittable_const_int_operand and
1834 splittable_symbolic_operand.
1835 (mips_use_anchors_for_symbol_p): New function.
1836 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1837 (mips_split_p): Declare.
1839 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1841 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1842 (mips*-*-linux*): Likewise.
1844 2006-03-16 Roger Sayle <roger@eyesopen.com>
1845 Daniel Speyer <dspeyer@wam.umd.edu>
1848 * tree-dump.c (dump_real): New function.
1849 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1850 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1851 (tree-dump.o): Add $(REAL_H) to the dependencies.
1853 2006-03-16 Roger Sayle <roger@eyesopen.com>
1856 * real.c (real_from_string): If the mantissa is zero, don't bother
1857 parsing the exponent as the result should always be zero.
1859 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1861 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1863 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1865 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1866 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1867 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1868 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1869 ia64_sched_finish_global): New static functions to implement
1870 hooks from gcc_target.sched.
1871 (spec_check_no, max_uid, pending_data_specs): New static variables.
1872 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1873 ia64_spec_check_src_p): New static functions.
1874 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1875 (TARGET_SCHED_ADJUST_COST): Removed.
1876 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1877 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1878 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1879 TARGET_SCHED_GEN_CHECK,
1880 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1881 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1882 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1883 Fixed to handle speculation checks.
1884 (rtx_needs_barrier): Fixed to handle speculative loads and
1886 (ia64_variable_issue): Added code to count speculative loads and their
1888 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1890 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1892 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1894 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1895 (ia64_reorg): Reset stops_p to NULL after it is freed.
1896 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1897 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1898 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1900 (data_speculative, control_speculative, check_load): New attributes.
1901 (mov<mode>_advanced, mov<mode>_speculative,
1902 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1903 zero_extend<mode>di2_speculative,
1904 zero_extend<mode>di2_speculative_advanced): New patterns for
1905 data and control speculative loads.
1906 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1908 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1909 New pattern for data and control speculation checks.
1910 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1911 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1912 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1913 Auxiliary definitions for the patterns.
1914 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1915 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1917 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1919 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1920 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1921 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1922 New resource constraints.
1923 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1925 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1926 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1927 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1928 msched-in-control-spec, msched-ldc, msched-control-ldc,
1929 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1930 msched-prefer-non-control-spec-insns,
1931 msched-count-spec-in-critical-path): New flags to tune speculative
1933 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1934 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1935 msched-in-control-spec, msched-ldc, msched-control-ldc,
1936 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1937 msched-prefer-non-control-spec-insns,
1938 msched-count-spec-in-critical-path): Document new flags.
1940 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1942 * target.h (struct spec_info_def): New opaque declaration.
1943 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1944 speculate_insn, needs_block_p, gen_check,
1945 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1946 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1947 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1948 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1949 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1950 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1952 (TARGET_SCHED): Use new macros.
1953 * rtl.h (copy_DEPS_LIST_list): New prototype.
1954 * sched-int.h (struct sched_info): Change signature of new_ready field,
1955 adjust all initializations. New fields: add_remove_insn,
1956 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1957 region_head_or_leaf_p.
1958 (struct spec_info_def): New structure declaration.
1959 (spec_info_t): New typedef.
1960 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1961 recovery_block, orig_pat.
1962 (glat_start, glat_end): New variables declaraions.
1963 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1965 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1966 DETACH_LIFE_INFO, USE_GLAT.
1967 (enum SPEC_SCHED_FLAGS): New enumeration.
1968 (NOTE_NOTE_BB_P): New macro.
1969 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1970 attach_life_info, debug_spec_status, check_reg_live): New functions.
1971 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1972 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1974 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1975 * ddg.c (get_block_head_tail): Adjust all uses.
1976 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1977 (sms_sched_info): Initialize new fields.
1978 (contributes_to_priority): Removed.
1979 * haifa-sched.c (params.h): New include.
1980 (get_block_head_tail): Adjust all uses.
1981 (ISSUE_POINTS): New macro.
1982 (glat_start, glat_end): New global variables.
1983 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1984 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1985 old_last_basic_block, before_recovery, current_sched_info_var,
1986 rgn_n_insns, luid): New static variables.
1987 (insn_cost1): New function. Move logic from insn_cost to here.
1988 (find_insn_reg_weight1): New function. Move logic from
1989 find_insn_reg_weight to here.
1990 (reemit_notes, move_insn, max_issue): Change signature.
1991 (move_insn1): Removed.
1992 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1993 extend_bb): New static functions to support extension of scheduler's
1995 (generate_recovery_code, process_insn_depend_be_in_spec,
1996 begin_speculative_block, add_to_speculative_block,
1997 init_before_recovery, create_recovery_block, create_check_block_twin,
1998 fix_recovery_deps): New static functions to support
1999 generation of recovery code.
2000 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2001 restore_bb_notes, move_block_after_check, move_succs): New static
2002 functions to support ebb scheduling.
2003 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2004 functions to support handling of register live information.
2005 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2006 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2007 add_jump_dependencies): New static functions.
2008 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2009 consistancy checking.
2010 (debug_spec_status): New function to call from debugger.
2011 (priority): Added code to handle speculation checks.
2012 (rank_for_schedule): Added code to distinguish speculative instructions.
2013 (schedule_insn): Added code to handle speculation checks.
2014 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2015 Fixed to handle ebbs.
2016 (move_insn): Added code to handle ebb scheduling.
2017 (max_issue): Added code to use ISSUE_POINTS of instructions.
2018 (choose_ready): Added code to choose between speculative and
2019 non-speculative instructions.
2020 (schedule_block): Added code to handle ebb scheduling and scheduling of
2021 speculative instructions.
2022 (sched_init): Initialize new variables.
2023 (sched_finish): Free new variables. Print statistics.
2024 (try_ready): Added code to handle speculative instructions.
2025 * lists.c (copy_DEPS_LIST_list): New function.
2026 * sched-deps.c (extend_dependency_caches): New function. Move logic
2027 from create_dependency_caches to here.
2028 (get_dep_weak, ds_merge): Make global.
2029 * genattr.c (main): Code to output prototype for
2030 dfa_clear_single_insn_cache.
2031 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2032 (output_dfa_clean_insn_cache_func): Code to output
2033 dfa_clear_single_insn_cache function.
2034 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2036 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2038 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2039 New static variables.
2040 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2041 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2043 (ebb_sched_info): Initialize new fields.
2044 (get_block_head_tail): Adjust all uses.
2045 (compute_jump_reg_dependencies): Fixed to use glat_start.
2046 (schedule_ebb): Code to remove unreachable last block.
2047 (schedule_ebbs): Added code to update register live information.
2048 * sched-rgn.c (region_sched_info): Initialize new fields.
2049 (get_block_head_tail): Adjust all uses.
2050 (last_was_jump): Removed. Adjust users.
2051 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2052 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2053 Implement new hooks.
2054 (check_dead_notes1): New static function.
2055 (struct region): New fields: dont_calc_deps, has_real_ebb.
2056 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2057 (BB_TO_BLOCK): Fixed to handle EBBs.
2058 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2059 (ebb_head): New static variable.
2060 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2061 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2063 (compute_dom_prob_ps): New assertion.
2064 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2065 global_live_at_start.
2066 (init_ready_list): New assertions.
2067 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2068 (new_ready): Add support for BEGIN_CONTROL speculation.
2069 (schedule_insns): Fixed code that updates register live information
2071 (schedule_region): Fixed to handle EBBs.
2072 (init_regions): Use extend_regions and check_dead_notes1.
2073 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2074 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2075 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2076 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2077 TARGET_SCHED_GEN_CHECK,
2078 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2079 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2080 * doc/invoke.texi (max-sched-insn-conflict-delay,
2081 sched-spec-prob-cutoff): Document.
2083 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2085 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2086 inter_tick, queue_index.
2087 (struct sched_info): Change signature of init_ready_list field.
2088 Adjust all initializations.
2089 (RESOLVED_DEPS): New access macro.
2090 (ready_add): Remove prototype.
2091 (try_ready): Add prototype.
2092 * sched-rgn.c (init_ready_list): Use try_ready.
2093 (schedule_region): Initialize
2094 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2095 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2096 (init_ready_list): Use try_ready.
2097 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2098 * lists.c (remove_list_elem): Remove `static'.
2099 (remove_free_INSN_LIST_elem): New function.
2100 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2101 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2102 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2104 (readyp): New variable.
2105 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2106 change_queue_index, resolve_dep): New static functions.
2107 (try_ready): New function. Adjust callers in sched-rgn.c and
2108 sched-ebb.c to use it instead of ready_add.
2109 (clock_var): Move at the begining of file.
2110 (rank_for_schedule): Fix typo.
2111 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2112 (ready_lastpos): Enforce assertion.
2113 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2115 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2116 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2117 (queue_to_ready): Use free_INSN_LIST_list.
2118 (early_queue_to_ready): Fix typo.
2119 (schedule_block): Init readyp. Move init_ready_list call after the
2120 initialization of clock_var. Fix error in rejecting insn by
2121 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2122 that previously corrected INSN_TICKs. Add code for handling
2124 (set_priorities): Fix typo.
2125 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2126 Clarify comment and code that keeps current_sched_info->next_tail
2129 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2131 * sched-rgn.c (extend_rgns): New static function.
2132 (find_rgns): Use it.
2133 (gather_region_statistics, print_region_statistics): New static
2135 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2136 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2138 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2139 Andrey Belevantsev <abel@ispras.ru>
2141 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2142 * lists.c (unused_deps_list): New variable.
2143 (free_list): Add assertions to verify the proper distinguishing
2144 between INSN_LISTs and DEPS_LISTs.
2145 (find_list_elem, remove_list_elem, remove_list_node): New static
2147 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2148 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2149 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2150 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2152 (free_INSN_LIST_node): Likewise.
2153 * modulo-sched.c (current_sched_info): Initialize flags field.
2154 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2155 * rtl.def (DEPS_LIST): Define.
2156 * rtl.h: Declare new functions from lists.c.
2157 * sched-deps.c (spec_dependency_cache): New static variable.
2158 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2159 (add_dependence): Change return type to void. Move the logic to ...
2160 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2161 (delete_all_dependences): Add comment about forward_dependency_cache.
2162 Handle spec_dependency_cache. Handle DEPS_LISTs.
2163 (fixup_sched_groups): Clarify the change of priority of output
2164 and anti dependencies.
2165 (sched_analyze_2): Adjust add_dependence calls to create data
2166 speculative dependence.
2167 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2168 Adjust all callers. Handle DEPS_LISTS.
2169 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2170 presence of speculation.
2171 (init_dependency_caches, free_dependency_caches):
2172 Handle spec_dependency_cache.
2173 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2174 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2175 New static functions.
2176 (add_or_update_back_dep, add_or_update_back_forw_dep,
2177 add_back_forw_dep, delete_back_forw_dep): New functions.
2178 * sched-int.h (ds_t, dw_t): New typedefs.
2179 (struct sched_info): Add new field flags.
2180 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2181 Prototype new sched-deps.c functions.
2182 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2183 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2184 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2185 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2186 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2187 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2189 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2191 * sched-rgn.c (current_sched_info): Initialize flags field.
2192 (schedule_insns): Initialize current_sched_info before the sched_init
2194 * sched-ebb.c (current_sched_info): Initialize flags field.
2195 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2196 Call add_or_update_back_dep instead of add_dependence.
2197 Create control speculative dependencies.
2198 (schedule_insns): Initialize current_sched_info before the sched_init
2201 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2203 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2205 (sh_fallback_frame_state): Likewise.
2207 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2209 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2210 Do switch on default_use_cxa_atexit.
2211 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2212 * config/darwin-crt3.o: New.
2213 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2214 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2215 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2217 * config/rs6000/t-darwin: Move crt2.o building to here.
2218 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2219 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2222 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2224 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2225 from '! xxx' to '!xxx' for coding-style conformance.
2226 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2227 (EXTRA_CONSTRAINT): Likewise.
2228 * config/vax/vax.md (four unnamed insns): Likewise.
2230 2006-03-15 Paul Brook <paul@codesourcery.com>
2232 * config/arm/arm.c (minipool_pad): New.
2233 (add_minipool_forward_ref): Include pool alignment padding in address
2235 (push_minipool_fix): Set minipool_pad.
2236 (minipool_pad): Ditto.
2238 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2240 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2241 instead of GET_CODE() == MEM and REG_P() instead of
2243 (print_operand_address): Likewise.
2244 (vax_address_cost): Likewise.
2245 (vax_rtx_costs): Likewise.
2246 (vax_notice_update_cc): Likewise.
2247 (vax_output_int_add): Likewise.
2248 (INDEX_REGISTER_P): Likewise.
2249 (BASE_REGISTER_P): Likewise.
2250 (nonindexed_address_p): Likewise.
2251 (vax_mode_dependent_address_p): Likewise.
2252 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2253 (PRINT_OPERAND): Likewise.
2254 * config/vax/vax.md (ashlsi3): Likewise.
2255 (ashlsi3): Likewise.
2256 (some more unnamed insns): Likewise.
2258 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2260 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2261 iterator-style macro.
2262 (mark_control_dependent_edges_necessary): Update the use of
2263 EXECUTE_IF_CONTROL_DEPENDENT.
2265 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2267 * config/sh/predicates.md (cache_address_operand): Special.
2268 (ua_address_operand): Likewise.
2270 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2272 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2274 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2276 2006-03-15 Andreas Schwab <schwab@suse.de>
2278 * gensupport.c (identify_predicable_attribute): Don't free p_false
2279 when it is still in use.
2281 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2283 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2284 the default setting here.
2286 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2288 * tree-pass.h (pass_cfg): Remove.
2289 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2290 * passes.c (pass_cfg): Don't run it.
2292 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2294 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2295 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2297 (stack_regs_mentioned): Update the uses of
2298 stack_regs_mentioned_data. Don't access the array beyond its
2300 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2301 Don't include gt-reg-stack.h.
2303 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2304 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2306 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2309 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2312 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2314 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2316 2006-03-14 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/26672
2319 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2322 2006-03-14 Richard Guenther <rguenther@suse.de>
2324 PR tree-optimization/26667
2325 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2326 node for the callees. Always allow inlining if it will shrink
2329 2006-03-14 Richard Guenther <rguenther@suse.de>
2332 * builtins.c (get_pointer_alignment): Prefer alignment
2333 information from decls over that from types.
2335 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2338 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2340 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2342 * config/rs6000/rs6000.opt (mdlmzb): New option.
2343 (msched-prolog, msched-epilog): Use Var not Mask.
2344 * doc/invoke.texi (-mdlmzb): Document.
2345 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2347 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2348 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2350 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2352 PR rtl-optimization/25739
2353 * bt-load.c (augment_live_range): Free tos pointer.
2355 * gensupport.c (identify_predicable_attribute): Free
2357 * gcov.c (create_file_names): Free name pointer.
2359 2006-03-13 Roger Sayle <roger@eyesopen.com>
2362 * stmt.c (emit_case_nodes): Handle the case where the index is a
2363 CONST_INT, where the comparison mode is specified by the index type.
2365 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2367 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2370 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2372 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2373 (*branch_fp_inverted): Likewise.
2375 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2378 * omp-low.c (expand_omp_for_generic): Mark istart0
2379 and iend0 as addressable.
2381 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2383 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2385 2006-03-13 Jeff Law <law@redhat.com>
2387 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2388 virtual operands are interesting.
2389 (vrp_visit_stmt): Corresponding changes.
2391 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2393 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2395 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2396 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2397 * config/bfin/crti.S: Use it instead of __PIC__.
2398 * config/bfin/crtn.S: Likewise.
2400 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2401 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2403 Lose 'G' modifier for call operand.
2404 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2405 recognize 'G' modifier.
2407 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2410 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2411 * stmt.c (expand_case): Likewise.
2413 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2415 PR rtl-optimization/26254
2416 * loop-invariant.c (seq_insns_valid_p): New function.
2417 (move_invariant_reg): Only emit new code if it is valid.
2419 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2421 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2423 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2424 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2425 (commit_one_edge_insertion): Do not look for loop notes.
2427 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2429 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2430 flag_test_coverage out of loop.
2432 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2434 * final.c (shorten_branches): Remove outdated comment, and turn
2435 the if branch that guards it to continue.
2437 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2439 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2440 * cfgloop.h (struct loop): Remove unused fields.
2442 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2444 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2445 (-dL, -fdump-rtl-loop2): Update the dump file names
2447 * doc/invoke.texi: Update dump file names.
2449 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2451 * predict.c (estimate_probability): Remove.
2452 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2453 * basic-block.h (estimate_probability): Remove prototype.
2454 * passes.c (finish_optimization_passes): Dump branch prediction or
2455 profiling heuristics to the .profile tree dump.
2456 (init_optimization_passes): Unqueue pass_branch_prob.
2458 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2460 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2462 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2463 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2465 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2467 * function.h (frame_offset_overflow): Declare.
2468 * function.c (frame_offset_overflow): New function.
2469 (assign_stack_local_1): Call it to detect that the offset overflows.
2470 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2472 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2474 * config/sh/sh.c: Include alloc-pool.h.
2475 (label_ref_list_pool): New alloc pool.
2476 (label_ref_list_t): New type for lists of labels.
2477 (struct pool_node): Make wend a label_ref_list_t.
2478 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2480 (dump_table): Likewise.
2481 (sh_reorg): Set up the alloc pool before using add_constant and
2482 dump_table, and destroy it when finishing.
2484 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2486 * config/mips/mips.c: Remove redundant comment.
2488 2006-03-10 Jason Merrill <jason@redhat.com>
2491 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2492 the target was declared 'register'.
2494 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2496 * genpreds.c (write_insn_constraint_len): Change definition of
2497 insn_constraint_len to return size_t to match the declaration.
2499 2006-03-10 DJ Delorie <dj@redhat.com>
2501 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2503 (m32c_expand_insv): Fix test for an AND mask.
2505 2006-03-10 Richard Guenther <rguenther@suse.de>
2508 * builtins.c (get_pointer_alignment): Handle component
2509 references for field alignment.
2511 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2513 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2514 when building with libgloss.
2515 (sh*elf): Implement --without-fp option.
2516 (sh64-superh-linux*): Don't multilib.
2518 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2520 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2522 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2524 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2525 Set it when one of the replacement functions returned true.
2526 Return TODO_cleanup_cfg if cfgchanged is true.
2527 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2529 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2531 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2532 instead of gen_lowpart.
2534 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2536 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2538 (mips_output_order_conditional_branch): Declare.
2539 * config/mips/mips.h (MIPS_BRANCH): New macro.
2540 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2541 for the comparison. Use gen_condjump.
2542 (mips_output_conditional_branch): Rework interface to take the
2543 asm templates for a direct branch and the inverse of a direct branch.
2544 (mips_output_order_conditional_branch): New function.
2545 (mips_builtin_branch_and_move): New function.
2546 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2547 branch condition. Use gen_single_cc as the condition for
2548 __builtin_mips_upper_* or __builtin_mips_lower_*.
2549 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2550 Use VOIDmode for the branch condition.
2551 * config/mips/predicates.md (order_operator): New predicate.
2552 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2553 (branch_fp): Rename to...
2554 (*branch_fp): ...this. Remove mode from comparison operator.
2555 Use new mips_output_conditional_branch interface.
2556 (branch_fp_inverted): Rename to...
2557 (*branch_fp_inverted): ...this and update as for *branch_fp.
2558 (*branch_zero<mode>): Rename to...
2559 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2560 Use mips_output_order_conditional_branch. Only accept ordered
2562 (*branch_zero<mode>_inverted): Rename to...
2563 (*branch_order<mode>_inverted): ...this and update as for
2564 *branch_order<mode>.
2565 (*branch_equality<mode>): Accept zero as the second operand to
2566 the equality operator. Use the new mips_output_conditional_branch
2568 (*branch_equality<mode>_inverted): Likewise.
2569 (condjump): New expander.
2570 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2572 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2573 (bc1any2t, bc1any2f): Likewise.
2574 (single_cc): New expander.
2575 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2577 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2579 * doc/md.texi: Update documentation of MIPS constraints.
2580 * config/mips/constraints.md: New file.
2581 * config/mips/mips.md: Include it.
2582 * config/mips/mips.c (mips_char_to_class): Delete.
2583 (override_options): Don't initialize mips_char_to_class.
2584 * config/mips/mips.h (mips_char_to_class): Delete.
2585 (REG_CLASS_FROM_LETTER): Delete.
2586 (CONST_OK_FOR_LETTER_P): Delete.
2587 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2588 (EXTRA_CONSTRAINT_Y): Delete.
2589 (EXTRA_CONSTRAINT_STR): Delete.
2590 (CONSTRAINT_LEN): Delete.
2591 (EXTRA_MEMORY_CONSTRAINT): Delete.
2593 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2595 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2596 original fn's eh regions.
2598 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2600 * fold-const.c (build_range_check): Make sure to use a valid type to
2601 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2604 (range_predecessor): New static function.
2605 (range_successor): Likewise.
2606 (merge_ranges): Use them to compute predecessors and successors of
2609 2006-03-09 Roger Sayle <roger@eyesopen.com>
2612 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2613 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2615 2006-03-08 DJ Delorie <dj@redhat.com>
2617 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2618 (addpsi3): Expand to include memory operands. Remove
2619 reload-specific splits.
2620 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2621 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2622 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2623 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2624 (shift1_qi, shift1_hi, insv): New.
2625 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2626 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2627 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2629 * config/m32c/m32c-protos.h: Update as needed.
2630 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2631 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2632 Fail for unrecognized R* constraints.
2633 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2634 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2635 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2637 (m32c_init_libfuncs): New.
2638 (m32c_legitimate_address_p): Add debug wrapper.
2639 (m32c_rtx_costs): New.
2640 (m32c_address_cost): New.
2641 (conversions): Add 'B' prefix.
2642 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2643 operands, or word regnames for QI operands. 'B' prints bit
2645 (m32c_expand_setmemhi): New.
2646 (m32c_expand_movmemhi): New.
2647 (m32c_expand_movstr): New.
2648 (m32c_expand_cmpstr): New.
2649 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2650 (m32c_expand_neg_mulpsi3): Handle non-ints.
2651 (m32c_cmp_flg_0): New.
2652 (m32c_expand_movcc): New.
2653 (m32c_expand_insv): New.
2654 (m32c_scc_pattern): New.
2655 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2656 a0/a1 out of SIregs.
2657 (STORE_FLAG_VALUE): New.
2658 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2661 * config/m32c/mov.md: Make constraints more liberal.
2662 (zero_extendqihi2): Optimize r0/r1 case.
2663 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2664 * config/m32c/predicates.md (m32c_any_operand): New.
2665 (m32c_nonimmediate_operand): New.
2666 (m32c_hl_operand): New.
2667 (m32c_r3_operand): New.
2670 (memsym_operand): New.
2671 (memimmed_operand): New.
2672 (a_qi_operand): New.
2673 (m32c_eqne_operator): New.
2674 (m32c_1bit8_operand): New.
2675 (m32c_1bit16_operand): New.
2676 (m32c_1mask8_operand): New.
2677 (m32c_1mask16_operand): New.
2678 * config/m32c/blkmov.md: New file.
2679 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2681 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2683 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2684 unsigned to fix signed/unsigned comparison issue in
2685 DWARF2_FRAME_REG_OUT.
2686 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2687 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2689 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2690 of ptr into the ENABLE_CHECKING section.
2692 2006-03-08 Jeff Law <law@redhat.com>
2694 * tree-vrp.c (infer_value_range): Only count pointer uses
2695 and dereferences if -fdelete-null-pointer-checks is enabled.
2697 * tree-vrp.c (find_assert_locations): Infer value ranges for
2698 single use pointers, but do not create ASSERT_EXPRs for them.
2699 When a non-null range is inferred for a pointer, backwards
2700 propagate that range to other equivalent pointers through the
2703 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2706 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2707 language hook targets.
2708 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2709 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2710 if language hook targets were missing.
2712 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2714 * tree-ssa-opfinalize.h: Removed.
2715 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2717 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2718 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2719 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2720 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2721 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2722 finalize_ssa_v_must_def_ops): New.
2724 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2726 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2729 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2731 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2733 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2734 addresses with offsets; reorganize.
2736 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2737 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2738 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2740 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2743 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2745 2006-03-08 Ben Elliston <bje@au.ibm.com>
2747 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2749 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2752 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2755 2006-03-07 Richard Guenther <rguenther@suse.de>
2757 PR tree-optimization/26587
2758 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2760 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2762 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2764 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2766 * hooks.c (hook_bool_mode_rtx_true): New function.
2767 * hooks.h (hook_bool_mode_rtx_true): Declare.
2768 * toplev.c (compile_file): Call output_shared_constant_pool.
2769 * varasm.c (shared_constant_pool): New variable.
2770 (assemble_start_function, assemble_end_function): Remove arguments
2771 from call to output_constant_pool.
2772 (create_constant_pool): New function, split out from...
2773 (init_varasm_status): ...here.
2774 (force_const_mem): Choose between the shared and per-function constant
2775 pools. Set current_function_uses_const_pool when reusing old entries
2776 as well as when creating new ones.
2777 (mark_constant): Ignore data argument.
2778 (mark_constants): Remove pool argument.
2779 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2780 to decide whether the function uses a constant pool.
2781 (output_constant_pool_contents): New function, split out from...
2782 (output_constant_pool): ...here.
2783 (output_shared_constant_pool): New function.
2784 (init_varasm_once): Initialize shared_constant_pool.
2785 * output.h (output_constant_pool): Delete.
2786 (output_shared_constant_pool): Declare.
2787 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2788 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2790 2006-03-06 Nick Clifton <nickc@redhat.com>
2792 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2793 flag_strength_reduce.
2795 2006-03-06 Ben Elliston <bje@au.ibm.com>
2797 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2798 x86_64-*-linux* configurations.
2800 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2801 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2803 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2805 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2807 * basic-block.h: Remove the extern for
2808 rediscover_loops_after_threading.
2810 * cfgloop.c (cancel_loop): Make it static.
2811 * cfgloop.h: Remove the prototype for cancel_loop.
2813 * flow.c (recompute_reg_usage): Make it static.
2814 * rtl.h: Remove the prototype for recompute_reg_usage.
2816 * function.c (use_return_register): Make it static.
2817 * function.h: Remove the prototype.
2819 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2821 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2823 * recog.h: Remove the prototype for
2824 validate_change_maybe_volatile.
2826 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2828 * rtlanal.c (replace_reg): Remove.
2829 * rtl.h: Remove the prototype for replace_reg.
2831 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2833 * regclass.c (reg_scan_update): Remove.
2834 (reg_scan_mark_refs): Remove the last argument.
2835 * rtl.h: Remove the prototype for reg_scan_update.
2837 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2839 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2840 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2841 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2842 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2843 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2844 loop-invariant.c, omp-low.c, opts.c, passes.c,
2845 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2846 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2847 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2848 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2849 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2850 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2852 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2854 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2855 * dwarf2out.h: Remove the prototype for
2856 dwarf2out_add_library_unit_info.
2858 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2860 * tree.c (add_var_to_bind_expr): Remove.
2861 * tree.h: Remove the prototype for add_var_to_bind_expr.
2863 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2865 * regclass.c (n_non_fixed_regs): Remove.
2866 (init_reg_sets_1, globalize_reg): Remove all uses of
2868 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2872 * rtlanal.c (insns_safe_to_move_p): Remove.
2873 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2875 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2877 * expmed.c (expand_mult_add): Remove.
2878 * expr.h: Remove the prototype for expand_mult_add.
2880 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2882 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2883 and REG_SAVED_VAL_EXP constants.
2884 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2885 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2886 Handle regs stored by value.
2887 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2888 (execute_cfa_program): Handle DW_CFA_val_offset,
2889 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2890 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2891 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2892 (uw_install_context_1): Handle target regs stored by value.
2894 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2896 * tree-sra.c (tree_sra): Return todoflags;
2897 (generate_one_element): Set TODO_update_smt_usage if needed.
2898 (pass_sra): Remove TODO_update_smt_usage.
2899 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2901 (tree_ssa_forward_propagate_single_use_vars): Return
2902 TODO_update_smt_usage if we need to update SMT usage.
2903 (pass_forwprop): Remove TODO_update_smt_usage.
2905 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2907 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2908 (correct_use_link): Remove reference to get_stmt_operands.
2909 (update_stmt_operands): Likewise.
2910 (get_modify_expr_operands): New function factored out of
2911 parse_ssa_operands and get_expr_operands.
2912 Try to create V_MUST_DEFs for LHS by default.
2913 (get_expr_operands) <case MODIFY_EXPR>: Call
2914 get_modify_expr_operands.
2915 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2916 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2917 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2918 get_modify_expr_operands.
2920 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2922 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2923 * tree-flow.h: Remove the prototype for
2924 referenced_var_lookup_if_exists.
2926 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2928 PR rtl-optimization/26345
2930 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2932 2006-03-03 Roger Sayle <roger@eyesopen.com>
2934 PR tree-optimization/26524
2935 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2936 fold_convert to create a constant of the appropriate type.
2938 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2940 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2941 SYMBOL_REF_IN_BLOCK_P.
2942 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2943 of SYMBOL_FLAG_IN_BLOCK.
2944 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2945 instead of SYMBOL_REF_IN_BLOCK_P.
2946 * explow.c (use_anchored_address): Likewise.
2947 * rtl.c (rtx_size): Likewise.
2948 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2949 instead of SYMBOL_FLAG_IN_BLOCK.
2950 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2951 SYMBOL_REF_IN_BLOCK_P.
2952 (assemble_variable): Likewise.
2953 (output_constant_def_contents): Likewise.
2954 (output_constant_pool): Likewise.
2955 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2956 instead of SYMBOL_FLAG_IN_BLOCK.
2957 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2958 SYMBOL_REF_IN_BLOCK_P.
2959 (SYMBOL_REF_BLOCK): Likewise.
2960 (SYMBOL_REF_OFFSET): Likewise.
2961 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2962 SYMBOL_REF_IN_BLOCK_P.
2963 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2964 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2965 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2966 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2968 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2970 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2972 2006-03-02 Roger Sayle <roger@eyesopen.com>
2974 * simplify-rtx.c (simplify_unary_operation): When simplifying
2975 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2976 that we perform the right shift in the appropriate mode, and
2977 then extend or truncate the result to requested mode.
2979 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2981 * gengtype.c (main): Handle double_int type.
2982 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2983 * double-int.c: New file.
2984 * double-int.h: New file.
2985 * system.h: Include doubleint.h.
2986 * Makefile.in (SYSTEM_H): Include double-int.h.
2987 (double-int.o): Add.
2989 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2992 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2995 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2997 * tree-vrp.c (remove_range_assertions): Do not update statements
3000 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3002 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3004 * gcse.c (rest_of_handle_gcse): Ditto.
3005 * except.c (gate_handle_eh): Ditto.
3006 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3007 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3009 2006-03-02 Eric Christopher <echristo@apple.com>
3011 * config/i386/i386.c (machopic_output_stub): Add indirection to
3014 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3018 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3020 Sun Niagara specific optimizations.
3021 * config.gcc: Recognize niagara as target.
3022 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3023 (TARGET_CPU_niagara): Define.
3024 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3025 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3026 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3027 (ASM_CPU_SPEC): Likewise.
3028 (PROCESSOR_NIAGARA): New enum entry.
3029 (REGISTER_MOVE_COST): Handle Niagara.
3030 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3031 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3032 (sparc_override_options): Recognize "niagara", set appropriate
3033 default MASK_* values for it, and align functions to 32-bytes
3034 by default just like ULTRASPARC/ULTRASPARC3.
3035 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3036 (sparc64_initialize_trampoline): Likewise.
3037 (sparc_use_sched_lookahead): Use zero for niagara.
3038 (sparc_issue_rate): Use one for niagara.
3039 * config/sparc/niagara.md: New file.
3040 * config/sparc/sparc.md: Include it.
3041 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3042 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3043 when default cpu is niagara.
3044 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3045 (ASM_CPU_SPEC): Likewise.
3046 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3047 when default cpu is niagara.
3048 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3049 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3050 just like v9/ultrasparc/ultrasparc3.
3051 * doc/invoke.texi: Add documentation for "niagara" and improve
3052 existing documentation for ultrasparc variants.
3054 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3056 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3058 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3060 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3061 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3062 and say that only one is needed.
3063 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3064 * target.h (have_switchable_bss_sections): New hook.
3065 * explow.c (use_anchored_address): Check that the symbol is in a block.
3066 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3067 (bss_noswitch_section): New variables.
3068 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3069 (get_noswitch_section): New function.
3070 (get_block_for_section): Allow SECT to be null.
3071 (unlikely_text_section_p): Use SECTION_STYLE.
3072 (bss_initializer_p): New function.
3073 (get_variable_section): Move earlier in file. Take a new argument,
3074 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3075 Return one of the new *_sections in such cases.
3076 (get_block_for_decl): New function, extracting some logic from
3077 use_blocks_for_decl_p.
3078 (change_symbol_section): Remove in favor of...
3079 (change_symbol_block): ...this new function.
3080 (use_blocks_for_decl_p): Remove checks now performed by
3082 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3083 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3084 (emit_local, emit_bss, emit_common): ...these new functions.
3085 Return true if the alignment was honored.
3086 (emit_tls_common): New function.
3087 (asm_emit_uninitialised): Delete.
3088 (assemble_variable_noswitch): New function, split out from...
3089 (assemble_variable): ...here. Don't make decisions about common
3090 variables here. Globalize all public decls that go into non-common
3091 sections. Check whether SYMBOL_REF_BLOCK is null.
3092 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3093 (output_constant_pool): Likewise.
3094 (init_varasm_once): Initialize the new section variables.
3095 (have_global_bss_p): New function.
3096 (categorize_decl_for_section): Use bss_initializer_p.
3097 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3098 (place_block_symbol): Assert that the symbol must be in a block.
3099 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3100 (TARGET_INITIALIZER): Include it.
3101 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3102 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3103 (SECTION_MACH_DEP): Bump by two.
3104 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3105 (unnamed_section): Mention SECTION_UNNAMED in comment.
3106 (named_section): Likewise SECTION_NAMED.
3107 (noswitch_section_callback): New type.
3108 (noswitch_section): New structure.
3109 (section): Add a noswitch_section alternative.
3110 (SECTION_STYLE): New macro.
3111 (tls_comm_section, comm_section, lcomm_section): Declare.
3112 (bss_noswitch_section, have_global_bss_p): Declare.
3113 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3114 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3116 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3117 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3120 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3122 * gcc/tree-vrp.c (execute_vrp): Return value.
3123 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3124 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3125 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3126 (tree_lower_complex_O0): Ditto.
3127 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3128 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3129 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3130 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3131 (execute_tail_calls): Ditto.
3132 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3133 * gcc/tree.h (init_function_for_compilation): Ditto.
3134 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3135 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3136 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3137 * gcc/final.c (compute_alignments): Ditto.
3138 (rest_of_handle_final): Ditto.
3139 (rest_of_handle_shorten_branches): Ditto.
3140 (rest_of_clean_state): Ditto.
3141 * gcc/omp-low.c (execute_expand_omp): Ditto.
3142 (execute_lower_omp): Ditto.
3143 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3144 * gcc/ipa-reference.c (static_execute): Ditto.
3145 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3146 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3147 (rest_of_handle_machine_reorg): Ditto.
3148 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3149 * gcc/flow.c (recompute_reg_usage): Ditto.
3150 (rest_of_handle_remove_death_notes): Ditto.
3151 (rest_of_handle_life): Ditto.
3152 (rest_of_handle_flow2): Ditto.
3153 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3154 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3155 (do_ssa_store_ccp): Ditto.
3156 (execute_fold_all_builtins): Ditto.
3157 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3158 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3159 * gcc/ipa-pure-const.c (static_execute): Ditto.
3160 * gcc/cse.c (rest_of_handle_cse): Ditto.
3161 (rest_of_handle_cse2): Ditto.
3162 * gcc/web.c (rest_of_handle_web): Ditto.
3163 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3164 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3165 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3166 * gcc/tree-nrv.c (tree_nrv): Ditto.
3167 (execute_return_slot_opt): Ditto.
3168 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3169 (create_structure_vars): Ditto.
3170 * gcc/loop-init.c (rtl_loop_init): Ditto.
3171 (rtl_loop_done): Ditto.
3172 (rtl_move_loop_invariants): Ditto.
3173 (rtl_unswitch): Ditto.
3174 (rtl_unroll_and_peel_loops): Ditto.
3175 (rtl_doloop): Ditto.
3176 * gcc/gimple-low.c (lower_function_body): Ditto.
3177 (mark_used_blocks): Ditto.
3178 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3179 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3180 (cgraph_early_inlining): Ditto.
3181 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3182 * gcc/jump.c (cleanup_barriers): Ditto.
3183 (purge_line_number_notes): Ditto.
3184 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3185 (rest_of_handle_if_after_reload): Ditto.
3186 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3187 (tree_ssa_loop_im): Ditto.
3188 (tree_ssa_loop_unswitch): Ditto.
3189 (tree_vectorize): Ditto.
3190 (tree_linear_transform): Ditto.
3191 (tree_ssa_loop_ivcanon): Ditto.
3192 (tree_ssa_empty_loop): Ditto.
3193 (tree_ssa_loop_bounds): Ditto.
3194 (tree_complete_unroll): Ditto.
3195 (tree_ssa_loop_prefetch): Ditto.
3196 (tree_ssa_loop_ivopts): Ditto.
3197 (tree_ssa_loop_done): Ditto.
3198 * gcc/predict.c (tree_estimate_probability): Ditto.
3199 * gcc/recog.c (split_all_insns_noflow): Ditto.
3200 (rest_of_handle_peephole2): Ditto.
3201 (rest_of_handle_split_all_insns): Ditto.
3202 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3203 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3204 (rest_of_handle_stack_adjustments): Ditto.
3205 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3206 * gcc/function.c (instantiate_virtual_regs): Ditto.
3207 (init_function_for_compilation): Ditto.
3208 (rest_of_handle_check_leaf_regs): Ditto.
3209 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3210 (rest_of_handle_gcse): Ditto.
3211 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3212 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3213 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3214 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3215 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3216 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3217 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3218 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3219 * gcc/except.c (set_nothrow_function_flags): Ditto.
3220 (convert_to_eh_region_ranges): Ditto.
3221 (rest_of_handle_eh): Ditto.
3222 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3223 (remove_unnecessary_notes): Ditto.
3224 * gcc/except.h (set_nothrow_function_flags): Ditto.
3225 (convert_to_eh_region_ranges): Ditto.
3226 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3227 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3228 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3229 (execute_fre): Ditto.
3230 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3231 (rest_of_handle_jump2): Ditto.
3232 * gcc/tree-sra.c (tree_sra): Ditto.
3233 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3234 (execute_mudflap_function_decls): Ditto.
3235 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3236 (do_store_copy_prop): Ditto.
3237 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3238 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3239 * gcc/tree-ssa-forwprop.c
3240 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3241 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3242 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3243 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3244 (execute_late_warn_uninitialized): Ditto.
3245 * gcc/rtl.h (cleanup_barriers): Ditto.
3246 (split_all_insns_noflow): Ditto.
3247 (purge_line_number_notes): Ditto.
3248 (unshare_all_rtl): Ditto.
3249 (remove_unnecessary_notes): Ditto.
3250 (recompute_reg_usage): Ditto.
3251 (variable_tracking_main): Ditto.
3252 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3253 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3254 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3255 (execute_free_cfg_annotations): Ditto.
3256 (execute_fixup_cfg): Ditto.
3257 (execute_cleanup_cfg_pre_ipa): Ditto.
3258 (execute_cleanup_cfg_post_optimizing): Ditto.
3259 (execute_init_datastructures): Ditto.
3260 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3261 * gcc/combine.c (rest_of_handle_combine): Ditto.
3262 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3263 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3264 (rest_of_handle_reorder_blocks): Ditto.
3265 (rest_of_handle_partition_blocks): Ditto.
3266 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3267 * gcc/tree-profile.c (tree_profiling): Ditto.
3268 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3269 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3270 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3271 (rest_of_handle_sched2): Ditto.
3272 * gcc/basic-block.h (free_bb_insn): Ditto.
3273 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3274 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3275 (remove_useless_stmts): Ditto.
3276 (split_critical_edges): Ditto.
3277 (execute_warn_function_return): Ditto.
3278 (execute_warn_function_noreturn): Ditto.
3279 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3280 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3281 * gcc/passes.c (execute_one_pass): Run additional
3282 todos returned by execute function.
3283 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3286 2006-03-02 Richard Guenther <rguenther@suse.de>
3288 * tree-ssa-alias.c (find_used_portions): Consider taking
3289 the address as making the variable not write-only.
3291 2006-03-02 Nick Clifton <nickc@redhat.com>
3293 * config.gcc (default_use_cxa_atexit): Extend the description of
3294 this configure variable. Set its default value to "yes" for
3295 Linux, NetBSD and ELF targets on the assumption that they will
3296 use C libraries with the __cxa_atexit function.
3298 2006-03-02 Ben Elliston <bje@au.ibm.com>
3300 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3301 parameter as unused to suppress a build warning.
3303 2006-03-02 Ben Elliston <bje@au.ibm.com>
3305 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3308 2006-03-01 Roger Sayle <roger@eyesopen.com>
3311 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3312 declared name, the weak reference name, and the typeof name.
3313 (__gthrw): Avoid expanding the declared name suffix.
3314 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3316 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3318 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3320 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3321 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3322 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3323 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3324 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3325 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3326 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3327 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3328 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3329 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3330 (DW_END_default, DW_END_big, DW_END_little): New.
3331 (DW_END_lo_user, DW_END_hi_user): Define.
3332 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3333 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3334 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3337 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3339 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3341 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3343 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3345 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3347 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3348 to 'symbol_mem_tag'.
3350 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3353 2006-03-01 Roger Sayle <roger@eyesopen.com>
3355 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3357 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3360 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3361 MACHO_DYNAMIC_NO_PIC_P.
3362 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3364 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3367 * config/darwin-protos.h (darwin_asm_output_anchor):
3369 * config/darwin-sections.def (cstring_section):
3370 Add SECTION_MERGE to the flags.
3371 (literal4_section): Likewise.
3372 (literal8_section): Likewise.
3373 (objc_selector_refs_section): Likewise.
3374 (objc_cls_refs_section): Likewise.
3375 * config/darwin.c (darwin_asm_output_anchor): New
3377 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3379 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3381 Fix PR tree-optimization/26443
3382 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3383 to todo and PROP_tmt_usage to properties_destroyed.
3384 * tree-ssa-ccp.c (pass_ccp): Ditto.
3385 (pass_store_ccp): Ditto.
3386 * tree-ssa-dom.c (pass_dominator): Ditto.
3388 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3390 * tree-ssa-operands.c: Cleanup whitespace.
3391 (get_asm_expr_operands): Move before first invocation.
3392 (get_indirect_ref_operands): Likewise.
3393 (get_tmr_operands): Likewise.
3394 (get_call_expr_operands): Likewise.
3395 (append_def): Likewise.
3396 (append_use): Likewise.
3397 (append_v_may_def): Likewise.
3398 (append_v_must_def): Likewise.
3399 (add_call_clobber_ops): Likewise.
3400 (add_call_read_ops): Likewise.
3401 (add_stmt_operand): Likewise.
3402 (add_virtual_operand): Likewise.
3403 (build_ssa_operands): Likewise.
3405 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3410 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3411 with a call expr to ...
3412 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3414 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3416 * tree-vrp.c (extract_range_from_assert): Remove special
3417 handling for types with super-types.
3419 2006-03-01 Ben Elliston <bje@au.ibm.com>
3421 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3422 and powerpc64-*-linux* configurations.
3423 * config/t-dfprules: New file.
3425 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3426 Compile dfp-bit.c from the source directory using -DWIDTH and
3427 $DFP_CFLAGS to control the compilation of that file, rather than
3428 generating width-specific versions in the build directory.
3429 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3430 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3432 2006-02-28 Zack Weinberg <zackw@panix.com>
3434 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3437 2006-02-28 Eric Christopher <echristo@apple.com>
3439 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3440 Set up IN_LIBGCC definition of TARGET_64BIT.
3441 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3443 2006-02-28 Roger Sayle <roger@eyesopen.com>
3446 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3447 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3448 cases via the construction of "expr != 0".
3450 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3452 * alias.c (alias_invariant, alias_invariant_size): Remove.
3453 (record_base_value): Remove.
3454 (memrefs_conflict_p): Don't look at alias_invariant.
3455 (end_alias_analysis): Don't free it.
3456 * alias.h (record_base_value): Remove prototype.
3458 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3459 Adam Nemet <anemet@caviumnetworks.com>
3461 * rtl.h (truncated_to_mode): Declare it.
3462 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3463 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3464 (RTL_HOOKS_INITIALIZER): Include it.
3465 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3466 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3467 reg_truncated_to_mode.
3468 * rtlanal.c (truncated_to_mode): Define it.
3469 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3471 2006-02-28 Jeff Law <law@redhat.com>
3473 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3474 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3475 the range allowed by TYPE_PRECISION.
3477 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3479 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3481 PR tree-optimization/26419
3482 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3485 2006-02-27 Zack Weinberg <zackw@panix.com>
3487 * doc/md.texi: Fix typo in previous change.
3489 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3493 2006-02-27 Zack Weinberg <zackw@panix.com>
3495 * rtl.def (define_constraint, define_register_constraint)
3496 (define_memory_constraint, define_address_constraint): New MD forms.
3497 * gensupport.c (process_rtx): Put define_constraint etc on the
3499 * genpreds.c (process_define_predicate): Adjust comment. Validate
3500 the name, and call validate_exp to validate the expression.
3501 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3502 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3503 all callers changed.
3504 (validate_exp, needs_variable, struct constraint_data)
3505 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3506 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3507 (const_dbl_constraints, constraint_max_namelen)
3508 (have_register_constraints, have_memory_constraints)
3509 (have_address_constraints, have_address_constraints)
3510 (have_extra_constraints, have_const_int_constraints)
3511 (have_const_dbl_constraints, mangle, add_constraint)
3512 (process_define_constraint, process_define_register_constraint)
3513 (write_enum_constraint_num, write_lookup_constraint)
3514 (write_insn_constraint_len, write_regclass_for_constraint)
3515 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3516 (write_insn_extra_memory_constraint)
3517 (write_insn_extra_address_constraint)
3518 (write_satisfies_constraint_fns): New.
3519 (write_tm_preds_h): If we have new-style constraint definitions,
3520 prototype the functions generated from them, and define the
3521 old constraint interface (still used by generic code) in terms of
3523 (write_insn_preds_c): If we have new-style constraint definitions,
3524 generate all relevant functions from those definitions.
3525 (main): Handle define_constraint etc.
3526 * genoutput.c (struct constraint_data, indep_constraints)
3527 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3528 (mdep_constraint_len): New data structures and functions, defined
3529 #ifdef USE_MD_CONSTRAINTS.
3530 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3531 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3532 use new logic to validate operand constraints against constraint
3534 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3536 * defaults.h: If none of the old-style constraint macros are
3537 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3538 old-style macros; and poison REG_CLASS_FROM_LETTER,
3539 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3541 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3542 * doc/md.texi: Document new constraint-definition mechanism and the
3543 C interface it provides. Remove references to old mechanism
3544 elsewhere in the document.
3545 (Machine Constraints): Use pathnames relative to gcc directory,
3546 i.e. config/ARCH/FILE. Change i386 section to refer to
3547 config/i386/predicates.md; update that section to match docstrings.
3548 * doc/tm.texi: Move all documentation of the old constraint-
3549 definition macros to their own section, clearly mark as obsolete.
3551 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3552 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3554 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3555 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3556 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3558 (splits and peepholes): Use satisfies_constraint_*.
3559 * config/i386/i386.c (memory_address_length)
3560 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3562 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3564 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3565 scalar operation to be put back into the loop.
3567 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3570 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3571 (extract_cie_info): Handle S flag in augmentation string.
3572 (execute_cfa_program): If context->signal_frame, execute also
3573 fs->pc == context->ra instructions.
3574 (uw_frame_state_for): If context->signal_frame, don't subtract one
3575 from context->ra to find FDE.
3576 (uw_update_context_1): Set context->signal_frame to
3578 (_Unwind_GetIPInfo): New function.
3579 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3580 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3582 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3583 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3584 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3585 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3586 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3587 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3588 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3589 x86_64_fallback_frame_state): Set fs->signal_frame.
3590 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3591 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3592 (frob_update_context): Likewise. Workaround missing S flag in
3593 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3594 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3595 Remove the psw_addr + 1 hack.
3597 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3599 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3600 with aggregates here.
3601 (find_func_aliases): Remove code for &<aggregate> from here.
3603 2006-02-26 Roger Sayle <roger@eyesopen.com>
3605 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3606 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3607 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3610 2006-02-26 Roger Sayle <roger@eyesopen.com>
3613 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3615 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3617 * opts.c (decode_options): Do not handle flag_strength_reduce.
3618 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3619 and OPT_fstrength_reduce.
3620 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3621 flag_prefetch_loop_arrays for being nonzero.
3622 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3624 (fprefetch-loop-arrays-rtl): Removed.
3625 (flag_prefetch_loop_arrays): Do not specify the value.
3627 * doc/passes.texi: Update documentation of loop optimizer
3629 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3630 -frerun-loop-opt): Remove.
3632 2006-02-26 Richard Guenther <rguenther@suse.de>
3634 PR tree-optimization/26421
3635 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3636 in function calls that are ADDR_EXPRs as using the whole structure.
3638 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3640 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3641 * tree-pass.h (pass_loop_optimize): Remove.
3642 * passes.c (pass_loop_optimize): Never run it.
3643 * toplev.c (backend_init): Don't call init_loop.
3644 * opts.c (flag_loop_optimize_set): Remove.
3645 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3646 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3647 the old RTL loop optimizer when profiling enabled.
3648 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3649 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3650 pre-headers for the sake of the old RTL loop optimizer.
3651 * Makefile.in: Remove all references to loop.o.
3653 * doc/invoke.texi: Remove all references to -floop-optimize
3654 and -frerun-loop-opt.
3656 2006-02-26 Zack Weinberg <zackw@panix.com>
3658 * doc/md.texi (Machine Constraints): Refer to all files with paths
3659 relative to gcc directory (i.e. config/CPU/file). Add missing
3660 @table @code ... @end table to M32C subsection.
3662 2006-02-26 Roger Sayle <roger@eyesopen.com>
3664 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3666 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3668 2006-02-26 Roger Sayle <roger@eyesopen.com>
3669 James A. Morrison <phython@gcc.gnu.org>
3672 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3673 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3674 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3675 signedness of the shift operation.
3677 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3679 PR tree-optimization/26359
3680 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3682 2006-02-25 Roger Sayle <roger@eyesopen.com>
3684 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3685 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3686 as X == 0, and some symmetry related transformations.
3687 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3689 2006-02-25 Roger Sayle <roger@eyesopen.com>
3692 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3693 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3694 symmetry related transformations. Fold (X^C1) == C2 as
3697 2006-02-25 Juergen Weigert <jw@suse.de>
3698 Richard Guenther <rguenther@suse.de>
3700 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3702 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3704 * combine.c (gen_lowpart_or_truncate): Call
3705 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3707 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3709 * doc/invoke.texi: Move -fopenmp description to "Options for
3711 Remove reference to -lgomp.
3713 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3715 * doc/install.texi: Require GNU tar version 1.14.
3717 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3719 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3720 * doc/invoke.texi (C++ Dialect Options): Document
3721 -fno-use-cxa-get-exception-ptr.
3722 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3723 * configure: Regenerate.
3724 * c.opt (fuse-cxa-get-exception-ptr): New.
3725 * c-opts.c (c_common_handle_option): Handle
3726 OPT_fuse_cxa_get_exception_ptr.
3727 * c-common.c (flag_use_cxa_atexit): Update documentation.
3728 (flag_use_cxa_get_exception_ptr): New.
3729 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3730 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3732 (C_COMMON_OVERRIDE_OPTIONS): New.
3734 2006-02-24 Roger Sayle <roger@eyesopen.com>
3737 * combine.c (try_combine): Explicitly check whether GET_CODE is
3738 a SET or a CLOBBER, instead on checking that it isn't a USE.
3740 2006-02-24 Roger Sayle <roger@eyesopen.com>
3742 * fold-const.c (fold_comparison): New subroutine of fold_binary
3743 containing transformations common to both the equality and
3744 ordering relational operators, factored out of fold_binary.
3745 (fold_binary): Separate out the equality operators (EQ_EXPR
3746 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3747 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3748 transformations common to both.
3749 (fold_div_compare): Fix latent bugs in the previously unreachable
3750 LT_EXPR and GE_EXPR cases.
3752 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3754 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3755 decl libname for clog to __clog on AIX.
3757 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3759 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3762 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3763 output traceback table for thunks. Localise rs6000_stack_info call.
3765 2006-02-23 Roger Sayle <roger@eyesopen.com>
3766 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3768 * gthr-posix.h (__gthrw): Fix typo in comment.
3770 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3772 * doc/cpp.texi (Character sets): Document that we do support
3773 input files to be in any character set.
3775 2006-02-23 Jeff Law <law@redhat.com>
3777 * tree.h (PHI_ARG_NONZERO): Remove.
3778 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3779 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3780 node to the new node.
3782 PR tree-optimization/26425
3783 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3784 min/max, then assume its varying.
3786 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3788 PR rtl-optimization/26316
3789 * rtlanal.c (enum may_trap_p_flags): New.
3790 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3791 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3792 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3793 (may_trap_after_code_motion_p): New function.
3794 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3795 (find_invariant_insn): Use may_trap_after_code_motion_p.
3796 * rtl.h (may_trap_after_code_motion_p): Declare.
3798 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3800 * emit-rtl.c (immed_double_const): Cleanup.
3802 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3804 Fix PR tree-optimization/26376
3805 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3808 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3811 * gimplify.c (omp_add_variable): Guard variable size decl test with
3812 DECL_SIZE (decl) check.
3814 2006-02-23 Richard Guenther <rguenther@suse.de>
3817 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3818 like aggregate types.
3820 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3822 * configure.ac: Add --with{,out}-long-double-128 configure option.
3823 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3824 * configure: Rebuilt.
3825 * config.in: Rebuilt.
3826 * doc/install.texi (Options specification): Document
3827 --with-long-double-128.
3829 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3830 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3831 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3832 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3834 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3836 * config/s390/s390.c (override_options): Handle
3837 TARGET_DEFAULT_LONG_DOUBLE_128.
3839 * config/alpha/alpha.c (override_options): Handle
3840 TARGET_DEFAULT_LONG_DOUBLE_128.
3842 * config/sparc/sparc.c (sparc_override_options): Handle
3843 TARGET_DEFAULT_LONG_DOUBLE_128.
3845 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3847 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3848 (real-install-headers-tar, real-install-headers-cpio)
3849 (real-install-headers-cp): New targets.
3851 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3853 * tree.h (variable_section): Delete.
3854 * varasm.c (variable_section): Delete.
3856 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3858 * install.texi: Add notes on install.texi2html.
3859 (Building in parallel): Do not use footnotes.
3861 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3864 * doc/install.texi (Configuration): Document --disable-libgomp.
3866 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3868 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3870 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3872 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3873 (vec_extractv2df_0_sse): New.
3875 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3877 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3878 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3879 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3880 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3881 to the result of the expression.
3882 (def_cfa_1): Adjust.
3883 (frame_pointer_cfa_offset): Rename to...
3884 (frame_pointer_fb_offset): ... this. Adjust all uses.
3885 (convert_cfa_to_loc_list): Rename to...
3886 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3887 Pass it on to build_cfa_loc.
3888 (compute_frame_pointer_to_cfa_displacement): Rename to...
3889 (compute_frame_pointer_to_fb_displacement): ... this. New
3890 offset parameter. Use it in computation.
3891 (gen_subprogram_die): Compute cfa_fb_offset with the new
3892 macro, and use it to compute the fb loc list and the
3895 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3897 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3898 replaced with register_operand.
3899 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3900 non-DREG is expensive.
3901 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3902 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3905 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3907 * doc/install.texi2html: Use set -e.
3909 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3911 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3912 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3913 * doc/invoke.texi (-fshared-data): Delete.
3914 * common.opt (fshared-data): Delete.
3915 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3916 (assemble_static_space): Remove #if 0 code.
3917 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3918 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3919 * config/cris/cris.h: Remove FIXME.
3921 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3923 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3926 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3929 * combine.c (simplify_shift_const_1): Disable nested shifts
3930 optimization for vector shifts.
3932 2006-02-20 Roger Sayle <roger@eyesopen.com>
3934 PR tree-optimization/26361
3935 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3936 of unsigned integer types.
3938 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3940 * tree-chrec.c (eq_evolutions_p): New.
3941 * tree-chrec.h (eq_evolutions_p): Declared.
3942 * tree-data-ref.c: Fix formatting.
3943 (datadep_stats, dependence_stats): New.
3945 (print_direction_vector): New.
3946 (dump_data_dependence_relation): Use print_direction_vector.
3947 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3948 (compute_subscript_distance): Static.
3949 (initialize_data_dependence_relation): Static. Get the number
3950 of loops surrounding the references from the callers, and initialize
3951 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3952 base_object_differ_p analyzers.
3953 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3954 compute_overlap_steps_for_affine_1_2,
3955 analyze_subscript_affine_affine): Count the classified dependences.
3956 Print a message when a test failed.
3957 (can_use_analyze_subscript_affine_affine): New.
3958 (analyze_siv_subscript): Compute the data dependences on symbolic
3959 scevs that verify can_use_analyze_subscript_affine_affine.
3960 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3961 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3962 Handle symbolic scevs.
3963 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3965 (subscript_dependence_tester): Moved...
3966 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3967 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3968 DDR_SIZE_VECT instead of getting it in parameter.
3969 (subscript_dependence_tester): ... here. Take as a parameter
3970 loop_nest_depth. Call build_classic_dist_vector and
3971 build_classic_dir_vector.
3972 (compute_affine_dependence): Update subscript_dependence_tester
3973 parameters. Update datadep_stats counters. Call
3974 compute_subscript_distance.
3975 (compute_self_dependence): Save the dist and dir vectors. Call
3976 compute_subscript_distance.
3977 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3978 (compute_all_dependences): Reorder parameters as they were before
3979 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3980 compute_subscript_distance. Update the use of
3981 compute_affine_dependence and initialize_data_dependence_relation.
3982 (find_data_references_in_loop): Handle COMPONENT_REF.
3983 (compute_data_dependences_for_loop): Initialize dependence_stats.
3984 Don't call build_classic_dist_vector and build_classic_dir_vector.
3985 Update the parameters of initialize_data_dependence_relation and
3986 compute_all_dependences. Print the statistics from datadep_stats.
3987 (analyze_all_data_dependences): Static. Not used until the pass for
3988 checking the data dependences is contributed.
3989 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3990 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3991 (initialize_data_dependence_relation, compute_affine_dependence,
3992 analyze_all_data_dependences, compute_subscript_distance): Removed.
3993 (print_direction_vector): New.
3994 * lambda.h (gcd): ... here.
3995 (lambda_vector_gcd): Moved here from gcd_vector.
3996 * lambda-code.c (gcd, gcd_vector): Removed.
3997 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3998 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4000 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4002 * ipa-type-escape.c: Tidy some comments and white space.
4003 * tree-ssa-operands.c: Likewise.
4005 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4008 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4009 (dump_decl_name): Do not walk the decl tree chains.
4010 * tree-pass.h (TDF_CHAIN): Remove.
4012 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4014 * Makefile.in (C): Remove
4016 (.PHONY): Remove C and PROTO
4018 2006-02-20 Roger Sayle <roger@eyesopen.com>
4021 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4022 deprecated CHAR_TYPE tree code.
4024 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4026 * configure.ac (target_list): Add install-info, dvi, html.
4027 * configure: Regenerate.
4029 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4030 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4031 treelang/Make-lang.in: Do not use double-colon rules.
4033 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4035 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4036 (TMT_USED_ALONE): New macro.
4037 * tree-pass.h (PROP_tmt_usage): New property.
4038 (TODO_update_tmt_usage): New todo.
4039 * tree-ssa-alias.c (updating_used_alone): New variable.
4040 (recalculate_used_alone): New function.
4041 (compute_may_aliases): Set updating_used_alone, call
4042 recalculate_used_alone.
4043 * tree-sra.c (pass_sra): Note that this pass destroys
4044 PROP_tmt_usage, and add TODO_update_tmt_usage.
4045 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4046 * tree-flow.h (updating_used_alone): Prototype.
4047 (recalculate_used_alone): Ditto.
4048 * passes.c (execute_todo): Add code to set updating_used_alone,
4049 and call recalculate.
4050 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4051 for clobber if used alone, and add assert to verify used_alone
4054 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4056 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4057 for non tls symbols added.
4058 (legitimize_address): Do nothing for PLUS expressions if one of the
4059 addends is a tls symbol reference.
4061 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4065 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4067 * Makefile.in (BOOTSTRAPPING): New.
4068 (quickstrap): New definition if BOOTSTRAPPING=yes.
4070 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4071 * configure.ac: Substitute all_selected_languages with the languages
4072 that were configured. For all the other variables except
4073 lang_specs_files, include all the languages in the tree.
4074 * configure: Regenerate.
4076 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4077 if there is one. Run the commands to run fixincludes in the same
4080 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4081 * doc/install.texi: Document exact conventions for searching target tools.
4082 Document --with-build-time-tools. Document toplevel bootstrap. Document
4083 something more about building an Ada cross-compiler. Don't list GNU Make
4084 requirements which affect all platforms.
4086 2006-02-19 Roger Sayle <roger@eyesopen.com>
4089 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4090 only equivalent if the have both the same mode and precision.
4092 2006-02-20 Ben Elliston <bje@au.ibm.com>
4094 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4096 2006-02-19 Roger Sayle <roger@eyesopen.com>
4097 Steven Bosscher <stevenb.gcc@gmail.com>
4099 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4100 constant pool references to identify stack mode constants.
4101 * rtlanal.c (constant_pool_constant_p): New predicate to check
4102 whether operand is a floating point constant in the pool.
4103 * rtl.h (constant_pool_constant_p): Prototype here.
4104 * loop.c (scan_loop): Avoid hoisting constants from the constant
4105 pool on STACK_REGS targets.
4106 (load_mems): Likewise.
4107 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4108 loads into x87 registers expensive in terms of register pressure.
4110 2006-02-19 Roger Sayle <roger@eyesopen.com>
4112 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4113 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4115 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4117 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4118 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4120 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4122 * doc/invoke.texi: Document -fipa-pta.
4123 * common.opt: Add ipa-pta option.
4124 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4125 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4126 (do_ds_constraint): Ditto.
4127 (get_constraint_for): Only add to referenced_vars if
4128 referenced_vars exists.
4129 (insert_into_field_list): Rewrite to do this unsorted.
4130 (insert_into_field_list_sorted): Rename old insert_into_field_list
4132 (create_function_info_for): Use insert_into_field_list_sorted.
4133 (create_variable_info_for): Rewrite so it uses unsorted version,
4134 since the field list is sorted.
4135 (intra_create_variable_infos): Only add to referenced_vars if
4136 referenced_vars exists.
4137 (ipa_pta_execute): Init heapvars, and delete when done.
4138 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4140 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4142 * doc/install.texi: Add missing `@samp'.
4144 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4146 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4149 2006-02-18 Mark Wielaard <mark@klomp.org>
4151 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4152 who added new 4.1 features, bug fixes and integration support.
4154 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4157 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4160 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4162 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4163 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4164 (copy_insn_1): Likewise. Don't copy each field individually.
4166 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4168 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4169 * rtl.c (rtx_size): Rename variable to...
4170 (rtx_code_size): ...this.
4171 (rtx_size): New function.
4172 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4173 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4175 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4176 * rtl.h (rtx_code_size): New variable.
4177 (rtx_size): Change from a variable to a function.
4178 (RTX_SIZE): Rename to...
4179 (RTX_CODE_SIZE): ...this.
4182 PR tree-optimization/17106
4183 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4184 (Anchored Addresses): New section.
4185 * doc/invoke.texi (-fsection-anchors): Document.
4186 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4187 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4188 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4189 * hooks.c (hook_bool_mode_rtx_false): New function.
4190 * hooks.h (hook_bool_mode_rtx_false): Declare.
4191 * gengtype.c (create_optional_field): New function.
4192 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4193 SYMBOL_REF_IN_BLOCK_P is true.
4194 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4195 (min_anchor_offset, max_anchor_offset): Likewise.
4196 (use_anchors_for_symbol_p): New hook.
4197 * toplev.c (compile_file): Call output_object_blocks.
4198 (target_supports_section_anchors_p): New function.
4199 (process_options): Check that -fsection-anchors is only used on
4200 targets that support it and when -funit-at-a-time is in effect.
4201 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4202 if the decl doesn't have one.
4203 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4204 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4205 of force_const_mem through use_anchored_address.
4206 (expand_expr_constant): New function.
4207 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4208 calling expand_expr for INDIRECT_REF.
4209 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4210 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4211 * expr.h (use_anchored_address): Declare.
4212 * loop-unroll.c: Don't declare rtx vectors here.
4213 * explow.c: Include output.h.
4214 (validize_mem): Call use_anchored_address.
4215 (use_anchored_address): New function.
4216 * common.opt (-fsection-anchors): New switch.
4217 * varasm.c (object_block_htab, anchor_labelno): New variables.
4218 (hash_section, object_block_entry_eq, object_block_entry_hash)
4219 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4220 (use_blocks_for_decl_p, change_symbol_section): New functions.
4221 (get_variable_section): New function, split out from assemble_variable.
4222 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4223 use_blocks_for_decl_p say so. Use change_symbol_section if the
4224 symbol has already been created.
4225 (assemble_variable_contents): New function, split out from...
4226 (assemble_variable): ...here. Don't output any code for
4227 block symbols; just pass them to place_block_symbol.
4228 Use get_variable_section and assemble_variable_contents.
4229 (get_constant_alignment, get_constant_section, get_constant_size): New
4230 functions, split from output_constant_def_contents.
4231 (build_constant_desc): Create a block symbol if use_object_blocks_p
4232 says so. Or into SYMBOL_REF_FLAGS.
4233 (assemble_constant_contents): New function, split from...
4234 (output_constant_def_contents): ...here. Don't output any code
4235 for block symbols; just pass them to place_section_symbol.
4236 Use get_constant_section and get_constant_alignment.
4237 (force_const_mem): Create a block symbol if use_object_blocks_p and
4238 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4239 (output_constant_pool_1): Add an explicit alignment argument.
4240 Don't switch sections here.
4241 (output_constant_pool): Adjust call to output_constant_pool_1.
4242 Switch sections here instead. Don't output anything for block symbols;
4243 just pass them to place_block_symbol.
4244 (init_varasm_once): Initialize object_block_htab.
4245 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4246 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4247 (place_block_symbol, get_section_anchor, output_object_block)
4248 (output_object_block_htab, output_object_blocks): New functions.
4249 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4250 (TARGET_ASM_OUT): Include it.
4251 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4252 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4253 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4254 (TARGET_INITIALIZER): Include them.
4255 * rtl.c (rtl_check_failed_block_symbol): New function.
4256 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4257 (block_symbol, object_block): New structures.
4258 (rtx_def): Add a block_symbol field to the union.
4259 (BLOCK_SYMBOL_CHECK): New macro.
4260 (rtl_check_failed_block_symbol): Declare.
4261 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4262 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4263 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4264 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4265 * output.h (output_section_symbols): Declare.
4266 (object_block): Name structure.
4267 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4268 (default_use_anchors_for_symbol_p): Declare.
4269 * Makefile.in (RTL_BASE_H): Add vec.h.
4270 (explow.o): Depend on output.h.
4271 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4272 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4273 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4274 (rs6000_use_blocks_for_constant_p): New function.
4276 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4278 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4280 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4283 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4286 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4288 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4292 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4295 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4296 instead of DECL_REGISTER.
4298 2006-02-18 Olivier Hainque <hainque@adacore.com>
4301 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4303 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4306 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4307 * opth-gen.awk: Handle Var and InverseMask together.
4308 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4309 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4310 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4311 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4313 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4314 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4315 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4316 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4317 LINUX_DYNAMIC_LINKER): Define.
4318 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4319 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4321 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4322 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4323 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4325 (TARGET_C99_FUNCTIONS): Don't define.
4326 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4327 GLIBC_DYNAMIC_LINKER.
4328 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4329 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4330 GLIBC_DYNAMIC_LINKER64): Define.
4331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4332 LINUX_DYNAMIC_LINKER64.
4333 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4335 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4337 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4339 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4340 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4341 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4343 and LINUX_DYNAMIC_LINKER32.
4344 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4346 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4348 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4350 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4351 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4352 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4353 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4354 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4355 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4356 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4357 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4358 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4359 LINUX_DYNAMIC_LINKER): Define.
4360 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4361 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4362 GLIBC_DYNAMIC_LINKER64): Define.
4363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4364 LINUX_DYNAMIC_LINKER64.
4365 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4366 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4367 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4368 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4369 LINUX_DYNAMIC_LINKER): Define.
4370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4371 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4372 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4373 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4374 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4375 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4376 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4377 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4378 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4379 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4381 * doc/invoke.texi (-muclibc): Remove caveat about supported
4384 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4386 * doc/cpp.texi (__TIMESTAMP__): Document.
4388 2006-02-17 Roger Sayle <roger@eyesopen.com>
4391 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4392 C is one less than the width of X (and related transformations).
4393 * simplify-rtx.c (simplify_unary_operation_1): Transform
4394 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4395 depending on STORE_FLAG_VALUE, were C is one less then the
4398 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4400 Fix PR tree-optimization/26341
4401 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4402 about NAME_MEMORY_TAG's.
4404 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4407 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4408 with hardware float support, and software float support. Add fcpy
4409 alternative to hardware patterns. Add alternatives to copy between
4410 general and floating-point registers to the 32-bit pattern.
4411 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4412 secondary reload to load a QI or HI mode constant into a floating
4414 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4415 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4417 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4420 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4422 (load_macho_picbase_di): Likewise.
4424 2006-02-16 Jeff Law <law@redhat.com>
4426 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4427 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4428 (ssa_name_nonzero_p): Likewise.
4429 (get_value_range): Return NULL if VRP is not running.
4430 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4431 VRP routines do not discover a range.
4432 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4433 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4434 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4435 (tree_expr_nonnegative_p): Similarly.
4436 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4437 (restore_nonzero_vars_to_original_value): Remove.
4438 (unsafe_associative_fp_binop): Remove.
4439 (tree_ssa_dominator_optimize): Remove initialization and
4440 finalization of nonzero_vars and nonzero_vars_stack.
4441 (dom_opt_initialize_block): No longer push marker on
4443 (dom_opt_finalize_block): No longer call
4444 restore_nonzero_vars_to_original_value.
4445 (record_equivalences_from_phis): No longer look for
4446 nonzero PHI arguments.
4447 (cprop_into_successor_phis): No longer propagate nonzero
4448 property into PHI arguments. Lose unused argument. Caller
4450 (record_equivalences_from_stmt): No longer record nonzero
4451 values for SSA_NAMEs.
4452 (lookup_avail_expr): No longer use nonzero_vars.
4454 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4455 for sizetype when sizetype is unsigned.
4457 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4459 PR rtl-optimization/25603
4460 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4461 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4462 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4463 with new meaning of SETS.
4465 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4470 * config/linux.opt: New file.
4471 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4472 LINUX_DYNAMIC_LINKER): Define.
4473 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4474 * config.gcc (*-*-linux*): Define extra_options.
4475 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4476 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4477 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4478 GLIBC_DYNAMIC_LINKER.
4479 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4480 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4481 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4483 * doc/invoke.texi (GNU/Linux Options): New section.
4485 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4487 * config/sparc/sparc.md (setjmp): Rewrite.
4488 (setjmp_32): Delete.
4489 (setjmp_64): Likewise.
4491 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4493 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4496 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4498 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4501 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4503 PR rtl-optimization/26296
4504 * Makefile.in (loop-invariant.c): Add except.h dependency.
4505 * loop-invariant.c: Include except.h.
4506 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4508 2005-02-16 Paul Brook <paul@codesourcery.com>
4510 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4513 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4515 PR rtl-optimization/25636
4516 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4517 when deciding whether an insn is an initializing insn.
4519 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4521 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4522 (tree_code_size): Ditto.
4523 * tree.h (struct tree_memory_tag): Remove parent_var.
4524 (struct tree_struct_field_tag): New.
4527 (union tree_node): Add sft member.
4528 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4530 (create_sft): Add size and offset argument, set SFT_OFFSET and
4532 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4533 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4534 * tree-flow-inline.h (get_subvar_at): Update for
4535 SFT_OFFSET/SFT_SIZE.
4536 (var_can_have_subvars): Ditto.
4537 (overlap_subvar): Ditto.
4538 * print-tree.c (print_node): Print out interesting things for
4540 * tree-flow.h (struct subvar): Remove offset and size members.
4541 * tree-ssa-operands.c (get_expr_operands): Update for
4542 get_indirect_ref_operands changes.
4543 (get_indirect_ref_operands): Call add_virtual_operand instead of
4544 add_stmt_operand. Only recurse on base var if requested.
4545 (access_can_touch_variable): New function.
4546 (add_stmt_operand): Split virtual operand handling into ...
4547 (add_virtual_operand): Here. Add offset, size, and for_clobber
4548 arguments. Prune alias sets.
4549 (add_call_clobber_ops): Call add_virtual_operand.
4551 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4554 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4556 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4557 than TREE_CODE as index into omp_clause_num_ops array.
4559 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4561 PR rtl-optimization/26184
4562 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4564 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4565 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4566 must_precede, must_follow and tobe_scheduled.
4569 * opts.c (common_handle_option): Free new_option pointer.
4570 * df-core.c (df_analyze): Free postorder pointer.
4572 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4574 * Makefile.in: Fix the examples about the use of stamps
4576 2006-02-15 Michael Matz <matz@suse.de>
4580 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4581 influenced by maximum_field_alignment or DECL_PACKED.
4582 (update_alignment_for_field): Ditto.
4583 (place_field): Ditto.
4584 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4587 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4589 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4590 (debug_flow_info): Pass it.
4591 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4592 * bb-reorder.c (reorder_basic_blocks): Likewise.
4593 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4594 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4595 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4596 * gcse.c (gcse_main, bypass_jumps): Likewise.
4597 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4598 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4599 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4600 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4601 * rtl.h (dump_flow_info): Adjust prototype.
4602 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4603 * var-tracking.c (variable_tracking_main): Likewise.
4604 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4605 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4608 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4610 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4613 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4615 PR tree-optimization/26209
4616 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4617 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4619 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4621 2006-02-14 Roger Sayle <roger@eyesopen.com>
4624 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4625 (X,Y) and the corresponding symmetry related transformations.
4626 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4627 (X,Y) and its symmetry related transformations.
4629 2006-02-14 Roger Sayle <roger@eyesopen.com>
4631 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4634 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4636 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4638 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4641 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4642 support COMDAT group.
4643 * configure: Regenerate.
4645 2006-02-14 Roger Sayle <roger@eyesopen.com>
4650 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4652 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4654 Fix PR tree-optimization/26260
4656 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4658 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4659 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4660 * tree-ssa-structalias.c (create_variable_info_for): Use
4661 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4663 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4665 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4667 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4668 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4669 of the ending condition.
4670 * tree-ssa-loop-manip.c: Include params.h.
4671 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4672 tree_unroll_loop): New functions.
4673 * tree-pass.h (pass_loop_prefetch): Declare.
4674 * loop.c (rest_of_handle_loop_optimize): Test for
4675 -fprefetch-loop-arrays-rtl.
4676 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4677 * timevar.def (TV_TREE_PREFETCH): New timevar.
4678 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4679 pass_loop_prefetch): New.
4680 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4681 (cleanup_tree_cfg_loop): Call scev_reset.
4682 * common.opt (fprefetch-loop-arrays-rtl): Add.
4683 * tree-ssa-loop-prefetch.c: New file.
4684 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4685 (new_temp_expr_table): Initialize expr_vars.
4686 (free_temp_expr_table): Cleanup expr_vars.
4687 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4688 expressions from being merged into one.
4689 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4690 (struct tree_niter_desc): Add control, bound and cmp fields.
4691 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4693 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4694 (tree-cfgcleanup.o): Add SCEV_H dependency.
4695 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4696 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4698 2006-02-14 Richard Guenther <rguenther@suse.de>
4700 PR tree-optimization/26258
4701 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4702 in PHI argument processing.
4704 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4706 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4707 new expression in the requested machine mode.
4709 2006-02-13 Roger Sayle <roger@eyesopen.com>
4711 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4712 directly, instead let do_compare_rtx_and_jump handle this for us.
4713 * expr.c (expand_expr_real_1): Likewise.
4714 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4715 before do_jump_by_parts_greater.
4716 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4717 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4719 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4721 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4723 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4725 PR rtl-optimization/26235
4726 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4727 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4730 2006-02-13 Jeff Law <law@redhat.com>
4732 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4735 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4738 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4739 twice if decl is a builtin. When trying again, call get_callee_fndecl
4740 first to verify it is still a builtin.
4742 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4744 * dwarf2out.c (base_type_die): Don't add AT_name here.
4745 (subrange_type_die): Don't add AT_name here.
4746 (modified_type_die): Rearrange code flow. Do add AT_name here.
4748 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4750 PR rtl-optimization/26247
4751 PR rtl-optimization/26248
4752 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4754 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4756 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4757 * config/fixtfdi.c: Likewise.
4758 * config/fixunstfdi.c: Likewise.
4759 * config/floatditf.c: Likewise.
4761 2006-02-13 Roger Sayle <roger@eyesopen.com>
4764 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4765 into (X,C2) if C1 is a subset of the bits of C2. Transform
4766 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4768 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4770 2006-02-13 Josh Conner <jconner@apple.com>
4773 * varasm.c (function_section): Check for section name before
4774 calling select_section on targets that define
4775 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4776 unlikely_text_section instead of hot_function_section if
4777 first_function_block_is_cold.
4779 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4782 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4784 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4786 PR rtl-optimization/26222
4787 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4788 after tree->rtl expansion.
4789 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4790 before passing it to emit_move_insn.
4792 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4794 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4796 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4797 Clarify documentation.
4798 * c-common.h (warn_write_strings): Remove.
4799 * c-common.c (warn_write_strings): Likewise.
4800 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4803 2006-02-12 Roger Sayle <roger@eyesopen.com>
4806 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4807 (do_jump_parts_zero_rtx): New function renamed from
4808 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4809 (do_jump_parts_equality_rtx): New function split out from
4810 do_jump_parts_equality. Old implementation renamed as above.
4811 Call do_jump_parts_zero_rtx if either operand is zero.
4812 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4813 do all of the heavy lifting.
4814 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4815 calling either do_jump_by_parts_greater_rtx or
4816 do_jump_by_parts_equality_rtx.
4817 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4818 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4819 moved to do_compare_rtx_and_jump, call it directly.
4820 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4821 mode argument. Call do_compare_rtx_and_jump.
4822 (emit_case_nodes): Update calls to do_jump_if_equal.
4824 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4826 PR rtl-optimization/26225
4827 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4829 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4831 PR rtl-optimization/26232
4832 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4834 2006-02-11 Jason Merrill <jason@redhat.com>
4837 * tree-inline.c (declare_return_variable): Just don't use the
4838 modify target if it's a gimple complex reg and the return slot
4841 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4843 * doc/contrib.texi: Update my entry.
4845 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4847 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4849 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4851 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4854 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4856 * doc/invoke.texi (-floop-optimize2): Removed.
4857 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4858 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4859 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4860 * common.opt (floop-optimize2): Removed.
4861 (fmove-loop-invariants): Enabled by default.
4863 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4865 * tree-if-conv.c (combine_blocks): Free the result of
4866 get_loop_exit_edges.
4868 2006-02-10 Jeff Law <law@redhat.com>
4870 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4872 PR tree-optimization/26213
4873 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4874 loop trying to follow SSA_NAME_VALUE chains.
4876 2006-02-10 Richard Guenther <rguenther@suse.de>
4878 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4879 deal with structures that end in implicitly variable sized arrays.
4881 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4883 PR rtl-optimization/24762
4884 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4887 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4889 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4890 (struct ivopts_data): Add regs_used field.
4891 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4892 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4893 instead of loop_data->regs_used;
4894 (free_loop_data): Do not free aux fields for loops.
4895 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4896 and tree_ssa_iv_optimize_finalize.
4898 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4900 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4902 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4905 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4906 computing the effective result type.
4908 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4911 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4912 (tree_overlaps_hard_reg_set): Declare.
4913 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4914 type and signature to match function type expected by walk_tree.
4915 (tree_overlaps_hard_reg_set): New function.
4916 (decl_conflicts_with_clobbers_p): Rename to:
4917 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4918 Use tree_overlaps_hard_reg_set. Changed caller.
4919 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4920 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4921 * cris.c (cris_md_asm_clobbers): Likewise.
4923 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4925 * reload1.c (emit_input_reload_insns): Delete code that tries to
4926 inherit using find_equiv_reg.
4928 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4930 * c-common.h (flag_const_strings): Don't declare.
4931 * c-common.c (flag_const_strings): Remove.
4932 * c.opt (fconst_strings): Remove.
4933 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4934 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4935 (c_common_init_options): Don't set flag_const_strings.
4936 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4938 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4940 * arm.md (tlobits_cbranch): New pattern.
4941 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4942 testing a single bit.
4944 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4947 * tree-ssa-pre.c (create_component_ref_by_pieces):
4948 Handle RETURN_DECL like VAR_DECL.
4950 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4953 * fold-const.c (fold_indirect_ref_1): Fold
4954 "*(foo *)&complexfoo" to "__real__ complexfoo"
4955 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4957 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4959 * tree-flow-inline.h (var_can_have_subvars):
4960 Volatile variables should not have subvariables.
4962 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4965 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4966 multiplying unsigned values.
4969 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4971 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4973 2006-02-08 Jason Merrill <jason@redhat.com>
4976 * tree.def: Elaborate on difference from MODIFY_EXPR.
4977 * doc/c-tree.texi (INIT_EXPR): Likewise.
4978 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4979 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4980 (gimplify_target_expr): Likewise.
4981 (gimplify_cond_expr): Remove target handling.
4982 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4983 (gimplify_expr): Clobber it here.
4984 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4985 Do return slot optimization if we have an INIT_EXPR.
4988 * tree-inline.c (declare_return_variable): Also clear
4989 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4992 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4995 * gimplify.c (gimplify_one_sizepos): Fix typo.
4997 2006-02-08 Jeff Law <law@redhat.com>
4999 PR tree-optimization/21417
5000 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5001 across a backedge if the control statement at the end of the
5002 block is data dependent on other statements in the same block.
5003 (record_temporary_equivalences_from_stmts): Remove over-conservative
5004 test for threading across backedges.
5006 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5007 control statement, handle all three special cases in the same
5008 manner as they all have the same desired solution. No longer
5009 special case edge flag updating when the post dominator is
5012 2006-02-08 Roger Sayle <roger@eyesopen.com>
5014 * tree.def (CHAR_TYPE): Remove.
5015 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5016 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5017 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5018 (gen_string_type_die): Delete unreachable function.
5020 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5021 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5022 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5023 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5024 * builtins.c (type_to_class): Likewise.
5025 * fold-const.c (fold_convert, build_range_check,
5026 merge_ranges): Likewise.
5027 * expr.c (count_type_elements): Likewise.
5028 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5029 * stor-layout.c (layout_type): Likewise.
5030 * ipa-type-escape.c (type_to_consider): Likewise.
5031 * gimplify.c (omp_firstprivatize_type_sizes,
5032 gimplify_type_sizes): Likewise.
5033 * explow.c (promote_mode): Likewise.
5034 * tree-sra.c (is_sra_scalar_type): Likewise.
5035 * varasm.c (output_constant): Likewise.
5036 * tree-inline.c (remap_type_1): Likewise.
5037 * convert.c (convert_to_pointer, convert_to_real,
5038 convert_to_integer, convert_to_complex): Likewise.
5040 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5042 * df-scan.c (df_def_record_1): A set destination may
5043 be a parallel regardless of mode.
5045 2006-02-08 Roger Sayle <roger@eyesopen.com>
5048 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5049 * config/mips/_tilib.c: Remove.
5050 * config/fixtfdi.c: New libgcc source file.
5051 * config/fixunstfdi.c: New source file.
5052 * config/floatditf.c: New source file.
5053 * config/floatunditf.c: New souce file.
5054 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5055 files above instead of config/mips/_tilib.c.
5056 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5058 2006-02-08 Jeff Law <law@redhat.com>
5060 PR tree-optimization/26169
5061 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5064 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5066 * df.h (DF_REG_SIZE): Return the length of the initialized
5069 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5071 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5072 __muldf3): Return a correctly signed zero.
5074 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5076 * passes.c (register_one_dump_file): Accept the current properties
5077 instead of pass number. Adjust call to dump_register. Remove
5079 (register_dump_files): Now a wrapper around...
5080 (register_dump_files_1): ... this one. Do not modify the pass
5082 (next_pass_1): Cosmetic fix.
5083 (execute_todo): Keep second parameter only. Use curr_properties
5084 instead of fetching it from the pass structure. Check and set
5086 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5087 instead of fetching it from the pass structure. Fix calls to
5088 execute_todo. Update curr_properties and initialize .vcg RTL dump
5089 after running the pass. Reset last_verified.
5090 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5092 (FIRST_AUTO_NUMBERED_DUMP): New.
5093 (dump_register): Remove "num" parameter, assign it within the
5095 (get_dump_file_name): Modify template for dumps.
5096 * tree-dump.h (dump_register): Adjust prototype.
5097 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5098 (PROP_trees): Add PROP_gimple_lomp.
5099 (TODO_set_props): New.
5100 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5101 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5102 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5104 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5106 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5107 (sparc64-*-linux*): Likewise.
5108 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5109 * config/sparc/t-linux: New file.
5110 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5111 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5112 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5113 -m32 -mlong-double-128.
5115 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5116 * config/alpha/t-linux: New file.
5117 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5119 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5120 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5121 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5122 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5123 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5124 (CPP_ARCH32_SPEC): Remove.
5126 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5128 PR tree-optimization/26145
5129 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5132 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5135 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5136 >= 240000 when generating code for SOM runtime.
5137 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5138 to $$dyncall when generating code for SOM runtime..
5140 2006-02-07 Dirk Mueller <dmueller@suse.com>
5143 * doc/invoke.texi (-Wsequence-point): Update documentation
5144 that -Wsequence-point is implemented for C++ as well.
5146 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5148 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5149 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5150 (LIB_SPEC): Likewise.
5151 * doc/invoke.texi (SPARC options): Document -pthread.
5153 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5155 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5158 2006-02-07 Roger Sayle <roger@eyesopen.com>
5160 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5161 Correct comment describing BOOLEAN_TYPE.
5163 2006-02-07 Dirk Mueller <dmueller@suse.com>
5165 * c.opt: C++ frontend supports -Wdiv-by-zero.
5166 * c-opts.c (c_common_handle_option): Remove dead case.
5168 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5170 * configure.ac (TLS assembler check): Do not enable TLS by
5171 default on SPARC/Solaris before version 10.
5172 * configure: Regenerate.
5174 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5176 * doc/invoke.texi (xl-compat): Document conversion and support
5179 2006-02-07 Jeff Law <law@redhat.com>
5181 * tree-vrp.c (find_conditional_asserts): Update comments.
5182 (simplify_stmt_for_jump_threading): New.
5183 (identify_jump_threads, finalize_jump_threads): New.
5184 (vrp_finalize): Call identify_jump_threads.
5185 (execute_vrp): Call finalize_jump_threads.
5186 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5187 (vrp_element, vrp_data, vrp_element_p): Remove.
5188 (vrp_hash_elt, vrp_variables_stack): Remove.
5189 (vrp_hash, vrp_eq, record_range): Remove.
5190 (simplify_cond_and_lookup_avail_expr): Remove.
5191 (extract_range_from_cond): Remove.
5192 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5193 (simplify_stmt_for_jump_threading): New.
5194 (dom_thread_across_edge): New wrapper.
5195 (tree_ssa_dominator_optimize): No longer initialize or
5196 finalize any of the VRP datastructures. Remove iteration
5197 step and simplify as a result of removal of iteration step.
5198 (pass_dominator): Perform a cfg cleanup after DOM.
5199 (dom_opt_finalize_block): Use the new common routines
5200 for threading jumps. Simplify stack management slightly.
5201 No longer need to unwind VRP state.
5202 (record_equivalences_from_incoming_edge): No longer record
5204 (eliminate_redundant_computations): No longer call
5205 simplify_cond_and_lookup_avail_expr.
5206 * tree-flow.h (potentially_threadable_block): Prototype.
5207 (thread_across_edge): Likewise.
5208 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5209 (tree-ssa-threadedge.o): Add dependencies.
5210 * tree-ssa-threadedge.c: New file.
5211 * passes.c (init_optimization_passes): Merge PHIs before
5212 calling VRP. Run VRP again late in the SSA optimization pipeline.
5214 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5216 * df-core.c (df_set_blocks): Do not dereference function pointers.
5217 (df_finish1): Likewise.
5218 (df_hybrid_search_forward): Likewise.
5219 (df_hybrid_search_backward): Likewise.
5220 (df_iterative_dataflow): Likewise.
5221 (df_analyze_problem): Likewise.
5222 (df_compact_blocks): Likewise.
5223 (df_dump): Likewise.
5224 * df-scan.c (df_rescan_blocks): Likewise.
5225 (df_record_entry_block_defs): Likewise.
5227 * genconditions.c (write_conditions): Guard the definition of
5228 'insn_conditions' with the check on GCC version.
5229 (write_writer): Guard the traversal 'insn_conditions' with
5230 the check on GCC version.
5232 2006-02-07 Richard Guenther <rguenther@suse.de>
5236 2006-01-30 Richard Guenther <rguenther@suse.de>
5238 * gimplify.c (gimplify_target_expr): Handle easy cases
5239 without creating a temporary.
5241 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5243 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5244 use of float in probability computations. Use edge probabilities
5245 in place of statically computed probabilities.
5246 (min_spec_prob): New static variable.
5247 (schedule_insns): Initialize it.
5248 (GET_SRC_PROB): Removed.
5249 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5251 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5254 * config/ia64/unwind-ia64.c: Revert last change.
5255 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5256 (INCOMING_FRAME_SP_OFFSET): Define.
5258 2006-02-06 Roger Sayle <roger@eyesopen.com>
5260 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5262 2006-02-07 Ben Elliston <bje@au.ibm.com>
5264 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5265 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5266 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5267 (ix86_return_in_memory): Handle TDmode.
5268 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5269 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5271 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5273 * reorg.c (dbr_schedule): Use dump_file instead of file.
5275 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5278 * config/ia64/predicates.md (extr_len_operand): New predicate.
5279 * config/ia64/ia64.md (extv): Tighten constraints.
5281 (*tbit_and_2): Ditto.
5282 (*tbit_and_3): Ditto.
5283 (*tbit_or_2): Ditto.
5284 (*tbit_or_3): Ditto.
5288 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5291 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5293 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5295 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5296 loop_optimizer_init and loop_optimizer_finalize
5297 * tree-ssa-sink.c (execute_sink_code): Ditto.
5298 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5299 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5300 tree_ssa_loop_done): Ditto.
5301 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5302 * sched-ebb.c: Include output.h.
5303 (schedule_ebbs): Do not use dump argument.
5304 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5305 * loop.c (loop_dump_stream): Removed.
5306 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5308 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5309 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5310 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5311 loop_iterations, strength_reduce, record_biv, record_giv,
5312 final_giv_value, check_final_value, check_ext_dependent_givs,
5313 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5314 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5315 dump_file instead of loop_dump_stream.
5316 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5318 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5320 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5321 * haifa-sched.c: Include output.h
5322 (schedule_insns, sched_init): Do not use dump argument.
5323 * mode-switching.c (optimize_mode_switching): Ditto.
5324 * modulo-sched.c (stats_file): Removed.
5325 (print_node_sched_params): Do not call argument dump_file.
5326 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5327 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5329 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5331 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5332 rtl_loop_init, rtl_loop_done): Ditto.
5333 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5334 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5336 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5337 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5338 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5339 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5340 * emit-rtl.c (renumber_insns): Ditto.
5341 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5342 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5343 * regclass.c (regclass): Ditto.
5344 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5345 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5346 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5347 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5349 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5350 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5352 * gcse.c (gcse_file, debug_stderr): Removed.
5353 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5354 rest_of_handle_gcse): Do not use dump argument.
5355 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5356 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5357 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5358 compute_code_hoist_vbeinout, compute_code_hoist_data,
5359 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5360 compute_store_table, build_store_vectors, insert_insn_start_bb,
5361 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5362 store_motion): Use dump_file instead of gcse_file.
5363 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5364 * profile.c (profile_dump_file): Removed.
5365 (branch_prob): Use dump_file instead of profile_dump_file.
5366 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5368 * tree-ssa-copy.c (dump_copy_of): Ditto.
5369 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5370 dump file to life_analysis.
5371 * bt-load.c (branch_target_load_optimize): Ditto.
5372 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5374 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5375 regclass, dbr_schedule): Declaration changed.
5376 * sched-int.h (sched_init): Declaration changed.
5377 * tree-profile.c (tree_profile_dump_file): Removed.
5378 (tree_profile_hooks): Removed profile_dump_file hook.
5379 * rtl-profile (rtl_profile_dump_file): Removed.
5380 (rtl_profile_hooks): emoved profile_dump_file hook.
5381 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5383 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5384 * tree-cfg.c (build_tree_cfg): Ditto.
5385 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5386 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5387 Declaration changed.
5388 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5389 life_analysis and schedule_insns.
5390 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5392 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5394 * config/mips/mips.c (mips_reorg): Ditto.
5395 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5398 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5400 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5401 (s390_mangle_fundamental_type): New.
5402 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5405 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5406 (alpha_mangle_fundamental_type): New.
5407 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5410 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5412 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5414 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5415 (sparc_mangle_fundamental_type): New.
5417 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5419 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5420 (s390x-*-linux*): Likewise.
5421 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5422 * config/s390/t-linux: New file.
5424 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5426 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5427 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5429 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5431 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5432 (ANTIC_SAFE_LOADS): New macro.
5433 (find_or_generate_expression): Add prototype.
5434 (set_contains_value): Allow null set for sake of not always having
5435 to allocate ANTIC_SAFE_LOADS.
5436 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5437 Allow COMPONENT_REF too.
5438 (valid_in_set): Allow COMPONENT_REF.
5439 Check ANTIC_SAFE_LOADS too.
5440 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5441 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5443 (can_PRE_operation): Add COMPONENT_REF.
5444 (create_component_ref_by_pieces): New function.
5445 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5446 (insert_aux): Move AGGREGATE_TYPE_P check here.
5447 (compute_avail): Set bb local stmt uids.
5448 (pass_pre): Use TODO_update_ssa_only_virtuals.
5450 2006-02-06 Ben Elliston <bje@au.ibm.com>
5452 * configure.ac: Unconditionally disable decimal float by default.
5453 * configure: Regenerate.
5455 2006-02-06 Ben Elliston <bje@au.ibm.com>
5457 * read-rtl.c (read_name): Terminate reading on EOF.
5459 2006-02-06 Ben Elliston <bje@au.ibm.com>
5461 * dfp.c (decimal_real_arithmetic): Change second argument type
5462 from int to enum tree_code. Do not always return true, but now
5463 return result of any call to decimal_do helper functions.
5464 * dfp.h (decimal_real_arithmetic): Update prototype.
5466 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5468 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5470 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5473 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5476 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5478 * tree-vrp.c (cfg_loops): Removed.
5479 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5480 Use current_loops instead of cfg_loops. Pass flags to
5481 loop_optimizer_init.
5482 * cfgloopmanip.c (fix_loop_structure): Update only available
5484 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5485 loop_optimizer_init.
5486 * modulo-sched.c (build_loops_structure): Removed.
5487 (sms_schedule): Use loop_optimizer_init.
5488 * loop-init.c (loop_optimizer_init): Use flags to determine
5489 which properties of loops to prepare.
5490 (rtl_loop_init): Pass flags to loop_optimizer_init.
5491 * tree-ssa-sink.c (execute_sink_code): Ditto.
5492 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5493 * tree-ssa-pre.c (init_pre): Ditto.
5494 * cfgloop.h (LOOPS_NORMAL): New.
5495 (loop_optimizer_init): Declaration changed.
5497 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5499 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5500 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5502 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5504 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5506 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5507 * pa/t-pa64: Delete quadlib.c rule.
5508 * pa/x-ada: Revert last change.
5509 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5511 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5513 PR rtl-optimization/26087
5514 * rtlanal.c (canonicalize_condition): Do not cross basic block
5517 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5520 * config/ia64/ia64.c: Include debug.h.
5521 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5522 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5523 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5524 (process_epilogue, process_set, process_for_unwind_directive):
5525 Output unwind info only if requested. Add CFA info if requested.
5526 Add new arguments as needed. Adjust callers.
5527 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5529 (DWARF2_FRAME_INFO): Define to zero.
5530 * config/ia64/unwind-ia64.c: Remove code that compensated for
5531 the CFA offset error fixed above.
5532 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5533 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5534 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5535 -funwind-tables and -fexceptions to enable frame info.
5536 (dwarf2out_frame_init): Define initial CFA even if
5537 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5538 DWARF2_UNWIND_INFO is nonzero, not just defined.
5539 (dwarf2out_frame_finish): Output non-EH call frame info only
5540 if DWARF2_FRAME_INFO is nonzero.
5541 (convert_cfa_to_loc_list,
5542 compute_frame_pointer_to_cfa_displacement): Define even if
5543 unwind info is not supported.
5544 (gen_subprogram_die): Use the above unconditionally. Remove
5545 legacy alternate code.
5546 * toplev.c (compile_file): Compile in call to
5547 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5548 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5550 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5551 Jakub Jelinek <jakub@redhat.com>
5553 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5554 IBM extended float format long double as "g" on powerpc*-linux.
5556 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5559 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5560 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5562 2006-02-03 Jason Merrill <jason@redhat.com>
5565 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5568 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5569 on the return slot if it's an NRV.
5571 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5573 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5574 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5575 rewrite_use): Do not handle USE_OUTER.
5576 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5577 add_iv_outer_candidates, may_replace_final_value,
5578 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5579 (find_interesting_uses_op): Functionality of
5580 find_interesting_uses_outer_or_nonlin moved here.
5581 (find_interesting_uses_outside): Use find_interesting_uses_op.
5583 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5586 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5588 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5589 Ulrich Weigand <uweigand@de.ibm.com>
5592 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5593 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5594 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5595 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5597 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5598 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5599 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5600 Define secondary reloads for TFmode moves.
5601 (constant_modes): Add TFmode.
5602 (NR_C_MODES): Set to 8.
5603 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5605 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5606 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5607 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5608 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5609 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5610 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5611 (FPR mode macro): Add TFmode.
5612 (DSF mode macro): New.
5613 (<de>, <dee> mode attributes): Removed.
5614 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5615 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5616 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5617 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5618 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5619 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5620 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5621 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5622 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5623 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5624 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5625 "*negabs<mode>2", "sqrt<mode>2"):
5626 Changed <de> to <xde>. R constraint replaced by <Rf>.
5627 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5629 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5630 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5631 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5633 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5634 "extenddftf2", "extendsftf2"): New expanders.
5635 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5636 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5637 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5638 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5640 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5641 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5642 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5643 __floatditf): Add a GCC_4.1.0 symbol version tag.
5644 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5647 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5650 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5651 Use targetm.binds_local_p instead of TREE_PUBLIC.
5653 2006-02-02 Roger Sayle <roger@eyesopen.com>
5655 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5656 on INTEGER_TYPEs to indicate that it denotes a character type.
5657 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5658 signed_char_type_node, unsigned_char_type_node and char_type_node.
5659 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5660 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5661 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5663 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5664 Daniel Berlin <dberlin@dberlin.org>
5666 * tree-tailcall.c (arg_needs_copy_p): New function.
5667 (eliminate_tail_call): Use arg_needs_copy_p.
5668 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5669 (add_virtual_phis): New function.
5671 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5673 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5674 #ignore instead of #scratch for %g7 .register directive.
5676 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5678 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5681 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5683 * flow.c (calculate_global_regs_live): Assert that there aren't any
5686 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5688 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5690 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5691 bsi_after_labels iterator.
5692 * tree-if-conv.c (find_phi_replacement_condition,
5693 replace_phi_with_cond_modify_expr): Likewise.
5694 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5695 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5697 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5699 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5701 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5704 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5705 array after growing it.
5707 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5710 * fold-const.c (fold_checksum_tree): Change type of buf.
5712 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5714 * reload.c (push_secondary_reload): Initialize t_icode.
5716 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5718 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5719 -msoft-float -mlong-double-128 only issue a warning, but don't
5720 swich to DFmode long double.
5722 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5724 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5725 has a constant equivalent, iterate over equivalents for arg0,
5726 calling simplify_relational_operation and if there's a result
5727 cheaper than X, apply fold_rtx and return the result.
5729 2006-02-01 Jan Hubicka <jh@suse.cz>
5731 * opts.c (no_unit_at_a_time_default): New global variable.
5732 (decode_options): Use it.
5733 * opts.h (no_unit_at_a_time_default): Declare.
5735 2006-02-01 Paul Brook <paul@codesourcery.com>
5737 * function.c (assign_parm_setup_reg): Use function argument promotion
5739 * expr.c (expand_expr_real_1): Use function argument promotion rules
5742 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5744 * gcc.c (process_command): Change j to 'unsigned int'.
5746 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5749 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5750 Use the corrected index for the character
5751 out of the string constant.
5753 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5755 * mode-switching.c (optimize_mode_switching): Fix size
5756 allocated for bb_info[n_entities].
5758 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5760 * gcc.c (main): Correct type that is allocated for
5761 explicit_link_files.
5763 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5765 * config/s390/s390.c (init_alignment_context): Set
5766 ALIAS_SET_MEMORY_BARRIER on the MEM.
5767 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5769 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5772 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5774 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5777 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5779 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5780 * regrename.c: Ditto.
5781 * tree-ssa-loop-im.c: Ditto.
5782 * tree-dump.c: Ditto.
5783 * tree-complex.c: Ditto.
5784 * genrecog.c: Ditto.
5785 * tree-ssa-threadupdate.c: Ditto.
5787 * java/class.c: Ditto.
5788 * java/jcf-parse.c: Ditto.
5789 * java/resource.c: Ditto.
5790 * java/except.c: Ditto.
5791 * java/jvspec.c: Ditto.
5792 * java/jcf-write.c: Ditto.
5793 * java/jcf-path.c: Ditto.
5794 * java/gjavah.c: Ditto.
5795 * java/zextract.c: Ditto.
5796 * java/jcf-io.c: Ditto.
5797 * java/jcf.h: Ditto.
5798 * java/buffer.c: Ditto.
5799 * java/lang.c: Ditto.
5800 * java/parse-scan.y: Ditto.
5801 * java/lex.c: Ditto.
5802 * java/lex.h: Ditto.
5803 * cfgloopmanip.c: Ditto.
5804 * postreload-gcse.c: Ditto.
5805 * tree-ssa-loop-manip.c: Ditto.
5806 * postreload.c: Ditto.
5807 * tree-ssa-loop-ch.c: Ditto.
5811 * diagnostic.c: Ditto.
5813 * genoutput.c: Ditto.
5815 * cfghooks.c: Ditto.
5816 * cfgloopanal.c: Ditto.
5817 * objc/objc-act.c: Ditto.
5819 * genextract.c: Ditto.
5820 * genautomata.c: Ditto.
5821 * pretty-print.c: Ditto.
5823 * cgraphunit.c: Ditto.
5826 * haifa-sched.c: Ditto.
5827 * dominance.c: Ditto.
5829 * tree-ssa-loop-ivopts.c: Ditto.
5831 * mode-switching.c: Ditto.
5832 * modulo-sched.c: Ditto.
5834 * ipa-pure-const.c: Ditto.
5836 * fix-header.c: Ditto.
5838 * tree-stdarg.c: Ditto.
5839 * ipa-utils.c: Ditto.
5840 * loop-init.c: Ditto.
5841 * ipa-inline.c: Ditto.
5844 * alloc-pool.c: Ditto.
5845 * dwarf2out.c: Ditto.
5847 * genattrtab.c: Ditto.
5848 * tree-ssa-loop-ivcanon.c: Ditto.
5852 * fortran/gfortranspec.c: Ditto.
5854 * local-alloc.c: Ditto.
5855 * langhooks.c: Ditto.
5856 * function.c: Ditto.
5857 * tree-vectorizer.c: Ditto.
5859 * ipa-type-escape.c: Ditto.
5861 * tree-if-conv.c: Ditto.
5864 * tree-data-ref.c: Ditto.
5865 * loop-unroll.c: Ditto.
5866 * treelang/treetree.c: Ditto.
5869 * ggc-common.c: Ditto.
5871 * coverage.c: Ditto.
5873 * tree-cfgcleanup.c: Ditto.
5874 * tree-ssa-pre.c: Ditto.
5875 * cfgcleanup.c: Ditto.
5876 * loop-invariant.c: Ditto.
5878 * ipa-prop.c: Ditto.
5879 * print-tree.c: Ditto.
5880 * conflict.c: Ditto.
5881 * ggc-page.c: Ditto.
5882 * sched-deps.c: Ditto.
5883 * regclass.c: Ditto.
5884 * tree-object-size.c: Ditto.
5886 * bb-reorder.c: Ditto.
5887 * resource.c: Ditto.
5888 * var-tracking.c: Ditto.
5890 * df-problems.c: Ditto.
5891 * reg-stack.c: Ditto.
5894 * sched-rgn.c: Ditto.
5895 * tree-ssa-structalias.c: Ditto.
5896 * tree-ssa-reassoc.c: Ditto.
5897 * config/darwin-c.c: Ditto.
5898 * config/darwin.c: Ditto.
5899 * config/arm/arm.c: Ditto.
5901 * collect2.c: Ditto.
5904 2006-01-31 Nicolas Pitre <nico@cam.org>
5906 * arm.md (smaxsi3): Make aware of smax_m1.
5909 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5911 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5913 2006-01-31 Richard Guenther <rguenther@suse.de>
5915 * doc/invoke.texi (-msselibm): Document.
5916 * target.h (expand_library_builtin): New target hook.
5917 * builtins.c (expand_builtin): Use expand_library_builtin.
5918 (default_expand_library_builtin): New function.
5919 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5920 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5921 (link_gcc_math_spec): Declare.
5922 (static_specs): Add link_gcc_math_spec.
5923 * expr.h (default_expand_library_builtin): Declare.
5924 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5925 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5926 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5927 * config/i386/i386.opt (msselibm): New target option.
5928 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5929 (ix86_init_sse_abi_builtins): New function.
5930 (ix86_expand_library_builtin): Likewise.
5931 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5932 (override_options): Handle error conditions wrt -msselibm.
5933 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5934 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5935 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5938 2006-01-31 Richard Guenther <rguenther@suse.de>
5939 Paolo Bonzini <bonzini@gnu.org>
5941 * doc/install.texi (--disable-libgcc-math): Document.
5943 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5945 * expr.h (expand_normal): new inline function.
5946 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5948 * dwarf2out.c: use it.
5953 * config/sparc/sparc.c: use it.
5954 * config/i386/i386.c: use it.
5955 * config/rs6000/rs6000.c: use it.
5956 * config/arm/arm.c: use it.
5957 * config/mips/mips.c: use it.
5958 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5960 2006-01-30 Roger Sayle <roger@eyesopen.com>
5962 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5963 argv to the appropriate type.
5965 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5967 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5970 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5973 * config/s390/s390.c (struct machine_function): New flag
5974 decomposed_literal_pool_addresses_ok_p.
5975 (s390_reorg): Set it before final stage of literal pool transforms.
5976 (s390_decompose_address): Only accept displacements of the form
5977 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5979 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5981 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5982 the comparison routine return.
5984 2006-01-30 Michael Matz <matz@suse.de>
5986 * global.c (find_reg): Only evict for global regs.
5987 Take n_refs into account and dump more info.
5989 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5992 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5993 (pragma_trap, pragma_nosave_low_regs): Likewise.
5994 (current_function_anonymous_args): Likewise.
5995 (sh_deferred_function_attributes): New variable.
5996 (sh_deferred_function_attributes_tail): Likewise.
5997 (print_operand): For '@', look up trap_exit attribute.
5998 (calc_live_regs): Look up trapa_handler attribute. For trapa
5999 handlers, save/restore fpscr, but don't do any other
6000 interrupt-specific saves.
6001 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6002 Fix check for partially saved registers to check for SHmedia.
6003 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6004 (sh_output_function_epilogue): Don't clear any of the removed
6006 (sh_insert_attributes): Don't check pragma_interrupt.
6007 Insert deferred attributes. Check that interrupt attribute is
6008 present for other attributes that require its presence.
6009 (sh_attribute_table): Add new attributes trapa_handler and
6011 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6012 Don't check for pragma_interrupt. Don't store argument.
6013 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6014 (sh_deferred_function_attributes): Declare.
6015 (sh_deferred_function_attributes_tail): Likewise.
6016 * sh.md (sp_switch_1): Add operand. Change generator caller.
6017 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6018 (*return_i): Don't use when trap_exit attribute is in effect.
6019 (*return_trapa): New insn pattern.
6021 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6022 setting c_target_objs and cxx_target_objs.
6023 * t-sh: Add rule for sh-c.o.
6025 2006-01-30 Richard Guenther <rguenther@suse.de>
6028 * gimplify.c (gimplify_target_expr): Handle easy cases
6029 without creating a temporary.
6031 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6033 * vec.h (safe_grow): Remove duplicated line.
6035 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6038 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6039 (expand_omp): ... here.
6040 (expand_omp_parallel): Only remove barriers for combined
6041 parallel+workshare constructs.
6043 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6047 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6048 * tree.c (build_qualified_type): Chain the new type to the original
6049 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6050 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6051 (build_pointer_type_for_mode): Only return unqualified types.
6052 (build_reference_type_for_mode): Likewise.
6054 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6056 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6057 * Makefile.in (CXX_COMPAT_WARN): Define.
6058 * configure: Regenerate.
6060 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6063 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6066 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6068 * toplev.c: Fix thinko.
6070 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6071 Marcin Dalecki <martin@dalecki.de>
6073 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6074 (push_srcloc): Use XNEW.
6075 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6077 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6079 * df-core.c (df_set_blocks): Deleted all variable.
6081 2006-01-28 Ian Lance Taylor <ian@airs.com>
6083 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6084 cgraph_output_pending_asms.
6086 2006-01-28 Zack Weinberg <zackw@panix.com>
6088 * c.opt: Add -W(no-)overlength-strings.
6089 * doc/invoke.texi: Document it.
6090 * c-opts.c (c_common_handle_option): -pedantic implies
6091 -Woverlength-strings, if not explicitly disabled already.
6092 (c_common_post_options): -Woverlength-strings defaults to off, and
6093 is always off for C++.
6094 * c-common.c (fix_string_type): Issue warning about strings longer
6095 than is portable only if warn_overlength_strings. Rearrange code
6096 a little for clarity.
6097 * configure.in: Check for -Wno-overlength-strings as well before
6098 enabling -pedantic in stage 1.
6099 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6100 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6102 * genconditions.c (write_header, write_one_condition)
6103 (write_conditions, write_writer): Consolidate very long strings
6104 that were broken up to fit in C89 portable limit. Don't use
6105 printf when fputs will do.
6107 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6109 * combine.c (simplify_comparison <AND>): Check
6110 TRULY_NOOP_TRUNCATION before start using a subreg.
6112 * config/mips/mips.md (*branch_zero<mode>,
6113 *branch_zero<mode>_inverted, *branch_equality<mode>,
6114 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6115 Remove mode check from comparisons.
6117 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6119 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6121 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6123 * expmed.c (const_mult_add_overflow_p): Remove.
6124 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6126 * recog.c (validate_replace_rtx_subexp): Remove.
6127 * recog.h: Remove the prototype for
6128 validate_replace_rtx_subexp.
6130 * integrate.h: Remove the prototype for
6131 copy_decl_for_inlining.
6132 * rtl.h: Remove the prototype for mark_constant_function.
6133 * tree-vectorizer.h: Remove the prototype for
6134 vect_strip_conversion.
6136 * modulo-sched.c (create_partial_schedule,
6137 free_partial_schedule, reset_partial_schedule): Make them
6140 * hooks.c (hook_bool_rtx_int_false): Remove.
6141 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6143 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6145 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6146 and -mlong-double-128 are incompatible.
6147 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6148 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6149 (TARGET_LIBGCC2_CFLAGS): Define.
6150 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6151 (TARGET_LIBGCC2_CFLAGS): Same.
6152 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6154 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6157 * c-typeck.c (build_binary_op): Perform implicit casts of
6158 operands before shortening them.
6160 * cfgloopmanip.c (split_loop_bb): Remove.
6161 * cfgloop.h: Remove the prototype for split_loop_bb.
6163 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6164 * cfgloop.h: Remove the prototype for
6165 flow_loop_outside_edge_p.
6167 * emit-rtl.c (init_virtual_regs): Make it static.
6168 * function.h: Remove the prototype for init_virtual_regs.
6170 * recog.c (peephole2_optimize): Make it static.
6171 * recog.h: Remove the prototype for peephole2_optimize.
6173 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6175 * df-scan.c (df_record_entry_block_defs): Check if
6176 INCOMING_RETURN_ADDR_RTX is defined.
6178 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6179 Kenneth Zadeck <zadeck@naturalbridge.com>
6181 PR rtl-optimization/24762
6182 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6183 * targhooks.c (hook_void_bitmap): New hook prototype.
6184 * targhoohs.h (hook_void_bitmap): Ditto.
6185 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6186 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6187 * target.h (live_on_entry): New function pointer.
6188 * df-scan.c (df_all_hard_regs): Removed.
6189 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6190 (df_scan_free_internal): Added df->entry_block_defs.
6191 (df_scan_alloc): Ditto.
6192 (df_scan_dump): Ditto.
6193 (df_uses_record): Plumbed flag field properly thru calls.
6194 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6195 This part fixes PR24762.
6196 (df_bb_refs_record): Added code to make the frame and arg
6197 pointers live in EH blocks.
6198 (df_refs_record): Added call to df_record_entry_block_defs.
6199 (df_record_entry_block_defs): New function.
6200 * df-core.c: Added comments to describe new artifical defs.
6201 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6202 (entry_block_defs): New field in struct df.
6203 (df_all_hard_regs): Deleted.
6204 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6205 * df-problems.c (df_ru_bb_local_compute_process_def):
6206 Added code to handle artifical defs in the entry to a function.
6207 (df_ru_bb_local_compute): Ditto.
6208 (df_rd_bb_local_compute_process_def): Ditto.
6209 (df_rd_bb_local_compute): Ditto.
6210 (df_lr_bb_local_compute): Ditto.
6211 (df_ur_bb_local_compute): Ditto.
6212 (df_urec_bb_local_compute): Ditto.
6213 (df_chain_create_bb): Ditto.
6214 (df_ur_local_finalize): Removed entry.
6215 (df_urec_init): Ditto.
6216 (df_urec_local_finalize): Ditto.
6217 (df_ri_bb_compute): Added detection of last use of pseudos.
6218 * Makefile.in (df-scan.o): Updated dependencies.
6219 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6220 * config/mips/mips.c (mips_set_live_on_entry): Added.
6221 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6223 * dce.c (marked_insn_p): Added code to handle artifical defs.
6225 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6227 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6229 (_mm_cvtsi128_si64): Likewise.
6230 (_mm_cvtsd_si64): Likewise.
6231 (_mm_cvttsd_si64): Likewise.
6232 (_mm_cvtsi64_sd): Likewise.
6233 (_mm_cvtsi64_si128): Likewise.
6234 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6235 (_mm_cvtsi64_m64): Likewise.
6236 (_m_to_int64): Likewise.
6237 (_mm_cvtm64_si64): Likewise.
6238 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6239 (_mm_cvttss_si64): Likewise.
6240 (_mm_cvtsi64_ss): Likewise.
6241 (_mm_cvtss_f32): Likewise.
6243 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6245 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6246 for pragma redefine_extname.
6248 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6251 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6252 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6253 -mno-minimal-toc to previous content.
6254 (bispecs): Remove goal.
6255 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6256 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6257 compatibility aliases on powerpc-*-*gnu*.
6258 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6259 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6260 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6261 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6262 (ldblspecs): New goal.
6263 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6264 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6266 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6267 L_sf_to_tf or L_df_to_tf is defined.
6269 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6270 Alan Modra <amodra@bigpond.net.au>
6273 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6274 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6275 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6276 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6277 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6278 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6279 (rs6000_override_options): Initialize rs6000_ieeequad.
6280 Initialize TFmode format to ibm_extended_format if not
6282 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6284 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6285 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6286 (function_arg_advance): IBM long double passed in two FPRs, not
6288 (function_arg): IBM long double passed in FPRs.
6289 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6290 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6291 Only multireg GPR aligned.
6292 (rs6000_init_libfuncs): Enable IBM long double functions if not
6294 (rs6000_generate_compare): Use IBM long double compare if not
6296 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6297 (TARGET_IEEEQUAD): Define.
6298 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6299 not TARGET_IEEEQUAD.
6300 * config/rs6000/rs6000.md: Enable TFmode patterns if
6302 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6303 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6304 and -mlong-double-128 are incompatible.
6305 * doc/invoke.texi (-mabi): Collect options together. Add
6306 ibmlongdouble and ieeelongdouble.
6308 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6310 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6312 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6313 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6314 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6315 * rtl.h (rtunion_def): Remove rt_ptr.
6317 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6318 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6319 * config/i386/winnt.c (i386_pe_mark_dllexport)
6320 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6322 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6324 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6326 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6330 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6331 pthread_key_delete. From John David Anglin. gthrw-ify
6332 pthread_getunique_np only if it it's not a macro. Delete
6334 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6335 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6336 __gthread_objc_condition_signal, __gthread_key_delete): Add
6337 "__attribute__ ((__unused__))" to unused arguments.
6338 (__gthread_recursive_mutex_init_function): Add missing return.
6339 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6340 gthr-posix95.h: Use macro-based approach for name redirection
6341 on targets missing weakref.
6343 2006-01-26 Zack Weinberg <zackw@panix.com>
6345 * genconditions.c (write_header): In generated code, #ifdef out
6346 all includes and fake declarations, except includes of bconfig.h
6347 and system.h, unless GCC_VERSION >= 3001. Do not include
6348 gensupport.h in any case.
6349 (write_conditions): Generate a definition of struct c_test. Add
6350 a comment to the generated #endif.
6351 (write_one_condition): Escape backslashes in string too.
6352 (write_writer): Generated code must escape backslashes and quote
6353 marks (but not newlines) in the strings it writes.
6354 * Makefile.in (build/gencondmd.o): Update dependencies.
6356 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6359 * Makefile.in (insn-automata.o): Add header file dependencies.
6360 * genautomata.c: Add includes.
6362 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6365 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6367 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6369 * configure.ac: Expect target tools paths to be passed from the toplevel
6370 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6372 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6374 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6377 * c.opt (Wpointer-sign): Init to -1.
6378 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6379 OPT_pedantic, to 0 otherwise.
6380 * doc/invoke.texi: Update.
6382 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6384 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6385 constants provided by 80387 instructions in the destination mode.
6387 2006-01-26 Richard Guenther <rguenther@suse.de>
6388 Andrew Pinski <pinskia@physics.uc.edu>
6391 partial PR tree-opt/17064
6392 * tree-ssa-structalias.c (intra_create_variable_infos):
6393 Create heap variables for incoming parameters if
6394 flag_argument_noalias > 1.
6395 (find_what_p_points_to): Look through default defs of
6398 2006-01-26 Jeff Law <law@redhat.com>
6401 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6402 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6403 within the VR_RANGE, use the VR_RANGE as the result, not the
6405 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6406 bounds for the type.
6408 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6410 * tree-ssa-alias.c (maybe_create_global_var): Change
6411 subvar walking to an assertion that we don't have subvar'd variables.
6413 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6416 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6417 Use a new variable, inner. PARM_DECLs are always non-weak.
6419 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6421 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6424 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6426 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6428 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6430 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6431 (smax_insn, smin_insn, smax_0, smin_0): New.
6433 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6436 * config/cris/cris.c (cris_order_for_addsi3): New function.
6437 * config/cris/cris-protos.h: Prototype it.
6438 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6439 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6440 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6441 (split for "op.S1 [rx=rx+i],ry (swapped)")
6442 (split for "op(s|u).S1 [rx=rx+i],ry")
6443 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6444 Apply cris_order_for_addsi3 when generating addsi3 insns.
6446 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6448 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6449 (TREE_BLOCK): Add call to EXPR_CHECK.
6451 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6454 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6455 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6456 (dump_omp_clauses): ... here.
6457 (dump_generic_node): Handle OMP_CLAUSE.
6458 * tree.c (omp_clause_num_ops): New.
6459 (omp_clause_code_name): New.
6460 (tree_code_size): Handle OMP_CLAUSE.
6461 (tree_size): Likewise.
6462 (make_node): Document handling of OMP_CLAUSE.
6463 (tree_node_structure): Handle OMP_CLAUSE.
6464 (omp_clause_check_failed): New.
6465 (omp_clause_range_check_failed): New.
6466 (omp_clause_operand_check_failed): New.
6467 (build_omp_clause): New.
6468 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6469 * tree.h (enum omp_clause_code): Declare.
6470 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6471 (OMP_CLAUSE_RANGE_CHECK): Define.
6472 (OMP_CLAUSE_ELT_CHECK): Define.
6473 (omp_clause_check_failed): Declare.
6474 (omp_clause_operand_check_failed): Declare.
6475 (omp_clause_range_check_failed): Declare.
6476 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6477 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6478 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6479 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6480 (OMP_CLAUSE_IF_EXPR): Likewise.
6481 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6482 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6483 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6484 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6485 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6486 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6487 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6488 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6489 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6490 (OMP_CLAUSE_CODE): Define.
6491 (OMP_CLAUSE_SET_CODE): Define.
6492 (OMP_CLAUSE_CODE): Define.
6493 (OMP_CLAUSE_OPERAND): Define.
6494 (struct tree_omp_clause): Declare.
6495 (union tree_node): Add field 'omp_clause'.
6496 * treestruct.def (TS_OMP_CLAUSE): Define.
6497 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6498 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6499 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6500 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6501 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6502 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6503 (OMP_CLAUSE): Define.
6504 * print-tree.c (print_node): Handle OMP_CLAUSE.
6505 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6506 * c-typeck.c: Likewise.
6507 * gimplify.c: Likewise.
6508 * c-omp.c: Likewise.
6509 * tree-nested.c: Likewise.
6510 * tree-inline.c: Likewise.
6511 * c-parser.c: Likewise.
6512 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6515 2006-01-25 Roger Sayle <roger@eyesopen.com>
6517 PR rtl-optimization/25703
6518 * combine.c (try_combine): Handle zero_extract and strict_low_part
6519 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6521 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6523 * global.c: Fix comment typos.
6525 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6528 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6529 Use output_addr_const instead of assemble_name.
6531 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6533 * Makefile.in (sched-vis.o): Update dependencies.
6534 * haifa-sched.c (sched_finish): Clear current_sched_info.
6535 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6536 (dump_flow_info): Call it.
6537 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6539 * basic-block.h (dump_bb_info): Declare.
6540 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6541 option, and apply options only for dump files whose TDF_RTL,
6542 TDF_TREE, or TDF_IPA bits match.
6543 * rtl.h: Declare new functions exported from sched-vis.c.
6544 * sched-vis.c: Enable also if scheduling is not used.
6545 (print_value): Print the mode of registers if not inside scheduling.
6546 (print_insn): Make it work outside the scheduler. Beautify the output
6548 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6550 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6552 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6553 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6554 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6555 depending on the value of CONSTANT_POOL_ADDRESS_P.
6556 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6558 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6559 rather than SYMBOL_REF_DECL.
6560 (rtx_constant_pool): Remove const_rtx_sym_htab.
6561 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6562 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6563 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6564 Remove handling of const_rtx_sym_htab.
6565 (find_pool_constant): Delete.
6566 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6567 rather than find_pool_constant.
6568 (get_pool_constant_for_function): Delete.
6569 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6571 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6572 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6573 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6574 (SYMBOL_REF_CONSTANT): New macro.
6575 (get_pool_constant_for_function): Delete.
6576 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6577 rather than SYMBOL_REF_DECL.
6578 (i386_pe_mark_dllimport): Likewise.
6579 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6580 rather than SYMBOL_REF_DECL.
6581 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6582 (machopic_indirect_call_target): Likewise.
6584 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6586 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6588 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6590 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6592 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6594 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6596 2006-01-24 David Daney <ddaney@avtrex.com>
6599 * configure.ac (enable_tls): New enable option.
6600 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6601 * configure: Regenerate.
6602 * doc/install.texi (--enable-tls): Document new option.
6603 (--disable-tls): Ditto.
6605 2006-01-24 Richard Henderson <rth@redehat.com>
6607 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6608 * alias.c (true_dependence): Respect it.
6609 (canon_true_dependence, write_dependence_p): Likewise.
6610 * builtins.c (get_builtin_sync_mem): Set it.
6612 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6614 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6617 2006-01-24 DJ Delorie <dj@redhat.com>
6619 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6620 for storing constants in single-bit bitfields.
6622 2006-01-25 Ben Elliston <bje@au.ibm.com>
6624 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6626 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6629 * tree-ssa-pre.c (phi_translate): Return NULL
6630 for AGGREGATE_TYPE's.
6632 2006-01-24 Zack Weinberg <zackw@panix.com>
6634 * genautomata.c (process_state_for_insn_equiv_partition):
6635 Use xcalloc for insn_arcs_array.
6636 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6637 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6639 2006-01-24 Richard Henderson <rth@redhat.com>
6641 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6644 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6646 PR rtl-optimization/25890
6647 PR rtl-optimization/25905
6648 * combine.c (expand_compound_operation, expand_field_assignment):
6649 Fail if the bitfield's final position is out of bounds.
6651 2006-01-24 Ian Lance Taylor <ian@airs.com>
6654 * cgraphunit.c (cgraph_output_in_order): Don't clear
6655 cgraph_asm_nodes until after asm strings have been output.
6657 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6659 * fix-header.c (read_scan_file): Add new parameter imultilib when
6660 calling register_include_chains.
6662 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6664 * omp-low.c: Update documentation.
6666 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6667 Daniel Berlin <dberlin@dberlin.org>
6671 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6672 return from the function.
6674 2006-01-22 Zack Weinberg <zackw@panix.com>
6676 * rtl.def (match_code): Add second argument.
6677 * genpreds.c (write_extract_subexp): New function.
6678 (write_match_code): Add path argument. Use write_extract_subexp.
6679 (write_predicate_expr): Pass path to write_match_code.
6680 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6681 not perform a mode test.
6682 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6683 a subexpression does not constrain the top-level code set.
6684 * read-rtl.c (read_rtx_variadic): New function.
6685 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6686 * doc/md.texi: Document new notation.
6687 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6688 (cmpsi_operand): ... here, using new notation.
6690 2006-01-22 Zack Weinberg <zackw@panix.com>
6692 * varray.c: Remove GENERATOR_FILE #ifdefs.
6694 2006-01-22 Zack Weinberg <zackw@panix.com>
6696 * genautomata.c (output_reserved_units_table): Emit nothing if
6697 description->query_units_num is zero. Remove extra blank line.
6698 (output_cpu_unit_reservation_p): Short circuit
6699 if description->query_units_num is zero.
6701 2006-01-22 Zack Weinberg <zackw@panix.com>
6703 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6704 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6705 nor any of the random handful of variables that used to be necessary
6706 when this program was linked with rtlanal.o. Prune set of forward
6707 function declarations.
6708 (struct attr_desc): Remove static_p field.
6709 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6710 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6711 (attr_string): Do not read the character one past the length of
6713 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6714 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6715 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6716 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6717 (make_automaton_attrs): New.
6718 (main): Do not call into genautomata. Call local gen_bypass
6719 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6720 Remove special case for insn_alts.
6721 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6722 varray.h (leftover from previous change). Prune set of forward
6723 function declarations. Remove state_alts fields from all
6724 structures. Remove state_alts_table from struct automaton.
6725 Make everything except main static. Do not maintain num_dfa_decls.
6726 Do not maintain state_alts fields of various structures.
6727 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6728 (add_arc): Remove state_alts argument. All callers updated.
6729 (output_reserved_units_table): Emit #ifdef here...
6730 (output_tables): ...not here. Don't generate state_alts tables.
6731 (expand_automata): Don't generate attributes.
6732 (write_automata): Don't generate state_alts functions.
6733 (main): New function.
6734 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6735 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6736 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6737 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6738 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6739 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6740 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6741 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6743 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6744 * genattrtab.h: Delete file.
6745 * Makefile.in (OBJS-common): Add insn-automata.o.
6746 (insn-automata.o): New rule.
6747 (simple_generated_c): Add insn-automata.c.
6748 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6749 (genprogmd): Add automata.
6750 (build/genattrtab): Needs no extra objects nor libraries.
6751 (build/genautomata): Needs build/vec.o and -lm.
6753 2006-01-22 Zack Weinberg <zackw@panix.com>
6755 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6756 (output_dfa_max_issue_rate, locked_states_num): Delete.
6757 (struct automaton): Add locked_states field.
6758 (output_dead_lock_vect): Save number of locked states in
6759 automaton->locked_states. If it is zero, don't print anything.
6760 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6761 (output_internal_dead_lock_func): Only test the dead_lock_vect
6762 for automata that have locked states.
6763 (output_statistics): Always print the number of locked states for
6764 each automaton. Calculate total number of locked states here.
6765 (write_automata): Don't call output_dfa_max_issue_rate.
6766 * genattrtab.c: Define length_unit_log as a const variable.
6767 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6768 max_insn_queue_index const.
6769 * final.c (length_unit_log): Declare const.
6770 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6772 2006-01-22 Zack Weinberg <zackw@panix.com>
6774 * genautomata.c: Include vec.h, not varray.h.
6775 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6776 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6777 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6778 VEC_* macros operating on appropriately typed vectors, or to
6779 malloced arrays when the size is known in advance. Const-ify
6780 many char* variables and function arguments. No functional changes.
6781 * Makefile.in (build/varray.o): Delete rule.
6782 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6783 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6785 2006-01-22 Zack Weinberg <zackw@panix.com>
6787 * gensupport.c: Define get_insn_name and record_insn_name here.
6788 (read_md_rtx): Call record_insn_name as appropriate.
6789 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6790 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6791 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6793 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6794 (BUILD_VARRAY): Delete.
6795 (genprognormal): Rename genprogmd. Fold in all programs from
6796 genprognoprint; also attrtab.
6797 (build/genattrtab): Just mention genautomata.o and varray.o.
6798 Reorganize a bit, add comments to make the categories clearer.
6800 2006-01-22 Zack Weinberg <zackw@panix.com>
6802 * genconditions.c (condition_table, add_condition): Delete.
6803 (write_conditions): Don't emit n_insn_conditions nor
6804 insn_elision_unavailable. Issue the gcc version #ifdef here,
6805 inside the table, with no #else clause ...
6806 (write_header): ...not here.
6807 (write_writer): New function.
6808 (main): Don't initialize condition_table. Use add_c_test.
6810 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6811 files on the command line.
6812 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6813 Return -1 if there is no entry in the table, don't abort.
6814 (add_c_test, traverse_c_tests): New functions.
6815 * gensupport.h (insn_elision_unavailable, insn_conditions)
6816 (n_insn_conditions): Delete declarations.
6817 (add_c_test, traverse_c_tests): Declare.
6818 * read-rtl.c: Include gensupport.h.
6819 (read_conditions): New function.
6820 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6821 (read_rtx_1): If we get EOF when we were looking for an initial
6822 open paren, return 0. Call read_conditions when appropriate.
6823 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6824 dummy-conditions.o. Eliminate references to insn-conditions.o,
6825 or change them to build/gencondmd.o, as appropriate. Remove
6826 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6827 from $(simple_generated_c). For all files remaining in those
6828 two lists, add insn-conditions.md to the generator command line.
6829 Give insn-constants.h/s-constants their own rules. Add rules
6830 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6831 (build/read-rtl.o): Depend on gensupport.h.
6832 (genprognormal): Include preds.
6833 (genprogearly): Rename genprognoprint; only difference is now that
6834 they don't link with $(BUILD_PRINT).
6835 * dummy-conditions.c: Delete.
6837 2006-01-22 Zack Weinberg <zackw@panix.com>
6839 * genextract.c: Don't include insn-config.h. Do include vec.h.
6840 Declare vectors of int, char, and locstr.
6841 (locstr): New typedef.
6842 (struct extraction): Make all array fields into bare pointers.
6843 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6844 (insn_code_number): Delete.
6845 (accum_extract): New struct.
6846 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6847 (gen_insn): Take insn_code_number as an argument. Use an
6848 accum_extract structure instead of loading data directly into
6849 a struct extraction, and having to know how big it might get.
6850 (walk_rtx): Operate entirely on an accum_extract structure.
6851 (print_path): Avoid unnecessary use of printf.
6852 (print_header): New function, split out of main. Distinguish
6853 more carefully between an unrecognizable insn and an insn that
6854 has the code number of a define_expand.
6855 (main): Pass insn_code_number to gen_insn. Call print_header
6856 only after parsing. Avoid unnecessary use of printf.
6857 * Makefile.in (build/vec.o): New rule.
6858 (build/genextract): Depend on build/vec.o.
6859 (build/genextract.o): Don't depend on insn-config.h.
6861 2006-01-22 Zack Weinberg <zackw@panix.com>
6863 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6864 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6865 practical. Eliminate per-generator-program link rules.
6867 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6870 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6871 with a call expr to ...
6872 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6874 2006-01-23 Richard Guenther <rguenther@suse.de>
6876 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6877 before make_edge with conditional EDGE_TRUE_VALUE.
6879 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6880 Jan Hubicka <jh@suse.cz>
6881 Richard Guenther <rguenther@suse.de>
6883 PR rtl-optimization/25654
6884 * cfgexpand.c (aggregate_contains_union_type): New function.
6885 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6886 for structure variables that contain a union type.
6888 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6890 * gengtype.c (new_structure): Return the structure.
6891 (create_option): Add an extra "next" argument.
6892 (create_field): New function.
6893 (adjust_field_rtx_def): Use create_option and create_field.
6894 Remove a now-unnecessary call to find_structure.
6895 (adjust_field_tree_def): Likewise.
6896 (note_yacc_type): Remove an unnecessary call to find_structure.
6897 * gengtype.h (new_structure): Return the structure.
6898 (create_option): Add an extra argument.
6899 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6900 (option): Adjust calls to create_option.
6902 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6904 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6906 2006-01-22 Paul Brook <paul@codesourcery.com>
6907 Peter Barada <peter@the-baradas.com>
6909 * config/m68k/m68k.md: Add Coldfire FPU support.
6910 Define FP mode macro and associated attributes.
6911 Use it for float mode patterns.
6912 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6913 (LIBCALL_VALUE): Use m68k_libcall_value.
6914 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6915 (m68k_function_value): Ditto.
6916 (emit_move_sequence): Ditto.
6917 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6918 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6919 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6920 (MULTILIB_EXCEPTIONS): Ditto.
6921 * config/m68k/m68k.opt: Add mcfv4e.
6922 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6923 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6924 (m68k_output_function_prologue): Save ColdFire FPU registers.
6925 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6926 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6927 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6928 ColdFire FPU registers.
6929 (m68k_libcall_value, m68k_function_value): New functions.
6930 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6931 (LIBCALL_VALUE): Use m68k_libcall_value.
6932 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6933 (MASK_COLDFIRE): Add MASK_CFV4E.
6934 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6935 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6936 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6937 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6938 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6939 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6940 * doc/invoke.tex: Document -mcfv4e on m68k.
6942 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6944 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6947 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6950 * c-opts.c (c_common_handle_option): Don't include
6951 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6952 * doc/invoke.texi (C++ Dialect Options): Document that
6953 -Wnon-virtual-dtor is no longer included in -Wall.
6955 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6957 * gcov.c (print_version), gcov-dump.c (print_version),
6958 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6961 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6963 * df-scan.c (problem_SCAN): Added NULL reset function.
6964 (df_scan_reset_blocks): Added code to call reset block function
6965 (df_bb_refs_delete) Fixed comment.
6966 (df_insn_refs_delete): Made tolerant of deleting non existent info
6967 for dataflow problems that need to be reset.
6968 * df-core.c (df_set_blocks): Ditto.
6969 * df.h (struct df_problem): Added reset_fun.
6970 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6971 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6972 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6973 functions to clear out all references to def-use or use-def chains.
6975 2006-01-21 Ben Elliston <bje@au.ibm.com>
6977 * varasm.c (assemble_real): Initialise data array.
6979 2006-01-20 Paul Brook <paul@codesourcery.com>
6981 Merge from csl-arm-branch.
6982 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6983 * config/arm/arm.md (movdi): Force operands[1] to a register
6984 if we have a non-register source.
6985 (*arm_movdi, *movdf_soft_insn): Require that one of the
6986 operands be a register.
6987 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6988 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6990 2006-01-20 DJ Delorie <dj@redhat.com>
6992 * varasm.c (initialize_constant_valid_p): Allow pointers
6993 initialized from integer constants of lesser precision.
6994 (output_constant): Allow non-int-sized pointer modes to be
6995 initialized from integer constants.
6997 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7000 * cppdefault.h (struct default_include): Add multilib flag.
7001 * cppdefault.c (cpp_include_defaults): Set it.
7002 * c.opt (-imultilib): New option.
7003 * c-opts.c (imultilib): New.
7004 (c_common_handle_option): Handle -imultilib.
7005 (c_common_post_options): Likewise.
7006 * c-incpath.c (add_standard_paths, register_include_chains):
7008 * c-incpath.h (register_include_chains): Add extra parameter.
7009 * gcc.c (do_spec_1): Generate -imultilib option.
7010 (The Specs Language): Update %I description.
7011 (process_command): Update copyright notice.
7012 * doc/cppopts.texi (-imultilib): Document.
7013 * doc/invoke.texi (-imultilib): Include in option summary.
7014 (%I): Update specs documentation.
7016 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7018 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7020 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7022 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7025 2006-01-20 Richard Guenther <rguenther@suse.de>
7026 Steven Bosscher <stevenb.gcc@gmail.com>
7028 PR rtl-optimization/24626
7029 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7030 EDGE_TRUE_VALUE if in RTL mode.
7033 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7034 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7036 2006-01-20 Dirk Mueller <dmueller@suse.com>
7039 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7040 instead of a special NOP marker.
7041 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7042 NOP marker handling.
7043 * c-common.h (empty_body_warning): Add forward declaration.
7044 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7045 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7047 2006-01-20 Paul Brook <paul@codesourcery.com>
7049 * Makefile.in (lang_checks): Keep going if mkdir fails.
7051 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7053 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7054 be able to clean out basic block when not necessary.
7055 (df_scan_free): Fixed to properly delete information if df is
7056 unused before calling df_finish.
7057 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7058 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7060 (df_bb_refs_delete): New function.
7061 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7062 * df-core.c (df_set_blocks): Added code to properly clean out
7063 unused blocks if they are not part of the blocks to consider.
7064 Added additional null check.
7065 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7066 be able to clean out basic block when not necessary
7067 * df.h (df_free_bb_function): Ditto.
7068 (df_bb_refs_delete): New function.
7069 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7070 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7071 basic block parameter to be able to clean out basic block when not
7073 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7074 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7075 Fixed to properly delete information if df is unused before
7078 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7080 PR rtl-optimization/25799
7081 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7082 Corrected confluence operator to remove bits from op2 before oring
7083 with op1 rather than removing bits from op1.
7084 (df_ru_transfer_function): Corrected test on wrong bitmap which
7085 caused infinite loop. Both of these problems were introduced in
7086 the dataflow rewrite.
7088 2006-01-19 DJ Delorie <dj@redhat.com>
7090 * reload1.c (find_reload_regs): Note the details of reload
7091 failures in the dump file.
7092 (spill_failure): Likewise.
7094 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7096 * loop-iv.c: Include df.h and hashtab.h.
7097 (enum iv_grd_result): New enum.
7098 (DF_REF_IV, DF_REF_IV_SET): New macros.
7099 (struct biv_entry): New.
7100 (df, bivs): New global variables.
7101 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7102 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7104 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7105 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7106 analyzed_for_bivness_p, record_biv): New functions.
7107 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7108 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7109 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7111 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7113 (iv_number_of_iterations): Use new interface to iv analysis.
7114 * loop-unroll.c: Do not include varray.h.
7115 (analyze_iv_to_split_insn): Use new interface to iv
7117 * loop-unswitch.c (may_unswitch_on): Ditto.
7118 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7120 (df_bb_modify): Realloc tables to the new index.
7121 (df_find_use): New function.
7122 * df.h (df_find_use): Declare.
7123 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7125 * cfgloop.h (struct rtx_iv): Remove analysed field.
7126 (iv_get_reaching_def): Removed.
7127 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7128 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7129 (loop-iv.o): Add df.h and hashtab.h dependency.
7130 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7132 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7135 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7137 (__floatundisf, __floatundidf): Likewise.
7138 * libgcc2.h (IS_IBM_EXTENDED): Define.
7140 2006-01-19 DJ Delorie <dj@redhat.com>
7142 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7144 2006-01-19 Paul Brook <paul@codesourcery.com>
7146 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7147 as nothrow when unwinding tables are disabled.
7149 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7152 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7153 of bit-field" when in system header.
7155 2006-01-19 DJ Delorie <dj@redhat.com>
7157 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7158 the 16 bit shift limit of the m16c.
7160 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7163 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7164 * config/i386/i386.c (output_set_got): Output the label if we have one
7165 for the TARGET_DEEP_BRANCH_PREDICTION case.
7167 2006-01-19 Jan Hubicka <jh@suse.cz>
7168 H.J. Lu <hongjiu.lu@intel.com>
7169 Evandro Menezes <evandro.menezes@amd.com>
7171 * invoke.texi (generic): Document
7173 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7174 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7175 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7176 (x86_use_incdec, x86_pad_returns): New variables
7177 (TARGET_CPU_DEFAULT_generic): New constant
7178 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7179 (enum processor_type): Add generic32 and generic64.
7180 * i386.md (cpu attribute): Add generic32/generic64
7181 (movhi splitter): Behave sanely when both partial_reg_dependency and
7182 partial_reg_stall are set.
7183 (K8 splitters): Enable for generic as well.
7184 * predicates.md (incdec_operand): Use TARGET_INCDEC
7185 (aligned_operand): Avoid memory mismatch stalls.
7186 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7187 * ppro.md: Enable for generic32
7188 * i386.c (generic64_cost, generic32_cost): New.
7189 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7190 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7191 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7192 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7193 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7194 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7195 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7196 x86_accumulate_outgoing_args, x86_prologue_using_move,
7197 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7198 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7200 (x86_use_incdec, x86_pad_returns): New.
7201 (override_options): Add generic32 and generic64, translate "generic"
7202 to generic32/generic64 and "i686" to "generic32", refuse
7203 "generic32"/"generic64" as arch target.
7204 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7205 (ix86_reorg): Honor PAD_RETURNS.
7207 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7209 * tree-pretty-print.c (dump_generic_node): Handle
7210 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7211 * cgraph.c (cgraph_expand_queue): Rename from
7212 cgraph_analyze_queue. Update all users.
7213 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7214 cgraph_expand_queue.
7215 (cgraph_expand_all_functions): Likewise.
7216 (cgraph_finalize_pending_functions): Remove. Update callers.
7218 * tree.h (OMP_DIRECTIVE_P): Define.
7219 (OMP_PARALLEL_FN): Define.
7220 (OMP_PARALLEL_DATA_ARG): Define.
7221 (OMP_SECTIONS_SECTIONS): Define.
7222 * tree-pass.h (pass_expand_omp): Declare.
7223 * omp-low.c (struct omp_region): Declare.
7224 (struct omp_context): Remove fields 'parallel_type',
7225 'parallel_start_ix' and 'parallel_start_additional_args'.
7227 (struct omp_for_data): Rename from struct expand_omp_for_data.
7228 (omp_regions): New static variable.
7229 (root_omp_region): New static variable.
7230 (find_omp_clause): Make static.
7231 (is_in_combined_parallel_ctx): Remove.
7232 (is_combined_parallel): New.
7233 (extract_omp_for_data): Move earlier in the file.
7234 (workshare_safe_to_combine_p): New.
7235 (get_ws_args_for): New.
7236 (determine_parallel_type): Move earlier in the file.
7237 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7239 (omp_copy_decl): Likewise.
7240 (create_omp_child_function): Likewise.
7241 (lookup_omp_region): New.
7242 (dump_omp_region): New.
7243 (debug_omp_region): New.
7244 (debug_all_omp_regions): New.
7245 (new_omp_region): New.
7246 (scan_omp_parallel): If parallel_nesting_level > 1, the
7247 directive is nested within another parallel directive.
7248 Set OMP_PARALLEL_FN.
7249 (scan_omp_for): Do not try to handle combined parallel+for
7251 Remove FIXME comment.
7252 (scan_omp_nested): Remove.
7253 (scan_omp_1): Do not call scan_omp_nested when
7254 parallel_nesting_level is > 1.
7255 Do not change the DECL_CONTEXT of local variables found.
7256 (lookup_decl_in_outer_ctx): New.
7257 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7258 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7259 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7260 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7261 If CTX is nested, lookup VAR in the outer context when
7262 building copy assignment.
7263 (lower_send_clauses): Rename from expand_send_clauses.
7264 If CTX is nested, lookup VAR in the outer context when
7265 building copy assignments.
7266 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7267 If CTX is nested, lookup VAR in the outer context when
7268 building copy assignments.
7269 (expand_parallel_call): Rename from build_parallel_call.
7270 Handle combined parallel+workshare cases.
7271 Re-implement to emit code into the CFG.
7273 (expand_omp_parallel): Re-implement to emit code into the CFG.
7274 Call move_sese_region_to_fn to outline the sub-graph
7275 containing the parallel region.
7276 (expand_omp_for_1): Remove.
7277 (expand_omp_for_generic): Re-implement to emit code into the
7279 (expand_omp_for_static_nochunk): Likewise.
7280 (expand_omp_for_static_chunk): Likewise.
7281 (expand_omp_for): Likewise.
7282 (expand_omp_sections): Likewise.
7283 (remove_exit_barriers): New.
7284 (expand_omp_synch): New.
7286 (build_omp_regions_1): New.
7287 (build_omp_regions): New.
7288 (execute_expand_omp): New.
7289 (gate_expand_omp): New.
7290 (pass_expand_omp): Define.
7291 (lower_omp_sections): Rename from expand_omp_sections.
7292 Set OMP_SECTIONS_SECTIONS.
7293 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7294 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7295 (lower_omp_single): Rename from expand_omp_simple.
7296 (lower_omp_master): Rename from expand_omp_master.
7297 (lower_omp_ordered): Rename from expand_omp_ordered.
7298 (lower_omp_critical): Rename from expand_omp_critical.
7299 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7300 (lower_omp_for): Re-implement.
7301 (lower_omp_parallel): Re-implement.
7302 (lower_regimplify): Rename from expand_regimplify.
7303 (lower_omp_1): Rename from expand_omp_1.
7304 If there are syntax errors in the program, replace every
7305 OpenMP directive with NOP.
7306 Call lower_omp_* instead of expand_omp_*.
7307 (lower_omp): Rename from expand_omp.
7309 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7310 * tree-gimple.h (enum omp_parallel_type): Remove.
7311 (gimple_boolify): Declare extern.
7312 (find_omp_clause, determine_parallel_type): Remove.
7314 * gimple-low.c (lower_omp_directive): New.
7315 (lower_stmt): Call it.
7316 (record_vars_into): Move from ...
7317 (record_vars): ... here.
7318 Call record_vars_into with current_function_decl.
7320 * gimplify.c (struct gimplify_ctx): Remove fields
7321 combined_pre_p and combined_ctxp. Update users.
7322 (get_formal_tmp_var): Add documentation.
7323 (gimple_boolify): Make extern.
7324 (gimplify_expr_in_ctx): Remove. Update callers.
7325 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7326 will always be a BIND_EXPR.
7327 (gimplify_expr): Handle OMP_RETURN_EXPR.
7328 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7329 (OMP_PARALLEL): Add 3 operands.
7330 (OMP_SECTIONS): Add 1 operand.
7331 (OMP_RETURN_EXPR): Define.
7333 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7334 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7335 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7336 creating a circular free list.
7337 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7339 * tree-flow.h (move_sese_region_to_fn): Declare.
7340 (record_vars_into): Declare.
7341 * tree-cfg.c (make_omp_sections_edges): New.
7342 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7343 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7344 OMP_SECTIONS and OMP_SECTION.
7345 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7346 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7347 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7348 (gather_blocks_in_sese_region): New.
7349 (struct move_stmt_d): Declare.
7351 (move_block_to_fn): New.
7352 (move_sese_region_to_fn): New.
7354 * passes.c (init_optimization_passes): Schedule
7355 pass_expand_omp after pass_init_datastructures.
7357 * tree-ssa-operands.c (get_expr_operands): Handle
7358 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7359 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7361 2006-01-19 Jeff Law <law@redhat.com>
7363 * tree-vrp.c (extract_range_from_assert): Refine the result range
7364 if the variable referenced by the ASSERT_EXPR has a range and
7365 either the tentative result range or the previous range is a
7368 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7370 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7372 2006-01-19 Jan Hubicka <jh@suse.cz>
7374 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7376 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7378 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7379 (expand_compound_operation, expand_field_assignment): Fail if the
7380 bit lengths of an extract operation are out of range.
7381 (make_extraction): Compute wanted_inner_mode based on the position
7382 and length of the extraction. Make it extraction_mode for non-constant
7383 positions, and do not modify offset in that case. When generating a
7384 new MEM, use a mode that can hold the extraction while keeping correct
7385 alignment. Remove code that supported MEMs wrapped by USEs.
7386 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7388 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7390 * config/s390/s390.md ("Y", "y"): New mode attribute.
7391 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7392 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7393 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7394 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7395 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7396 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7397 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7398 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7399 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7400 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7401 "addsi3", "subsi3"): Insn patterns removed.
7402 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7403 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7404 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7405 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7406 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7407 "*sub<mode>3_cconly2"): New insn patterns.
7408 ("addsi3", "subsi3"): New expanders.
7410 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7412 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7413 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7414 existing STMT_VINFO_VECTYPE if available.
7415 (vect_mark_relevant): Add special handling for stmts that are
7416 marked as STMT_VINFO_IN_PATTERN_P.
7417 (vect_analyze_loop): Call vect_pattern_recog.
7418 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7419 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7421 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7422 (vect_recog_func_ptr): New function-pointer type.
7423 * tree-vect-patterns.c: New file.
7424 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7425 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7426 (vect_pattern_recog_1): New functions.
7427 (vect_pattern_recog_funcs): New array of function pointers.
7429 * tree-vectorizer.h (ternary_op): New enum value.
7430 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7431 declaration. Revised documentation. Removed redundant dump prints.
7432 Removed redundant argument. Added support for reduction patterns.
7433 (vectorizable_reduction): Added support for reduction patterns.
7434 (vect_transform_stmt): Added support for patterns.
7436 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7437 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7438 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7439 (expand_widen_pattern_expr): New function.
7440 (init_optabs): Initialize new optabs udot_prod_optab,
7442 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7443 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7444 (expand_widen_pattern_expr): New function declaration.
7445 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7447 * tree-inline.c (estimate_num_insns_1): Added cases for new
7448 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7449 * tree-pretty-print.c (dump_generic_node): Likewise.
7450 (op_prio): Likewise.
7451 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7452 * tree-ssa-operands.c (get_expr_operands): Added case for
7454 * tree-vect-patterns.c (widened_name_p): New function.
7455 (vect_recog_dot_prod_pattern): Added function implementation.
7456 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7457 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7458 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7459 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7461 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7462 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7463 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7464 (init_optabs): Initialize new optabs widen_ssum_optab,
7466 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7467 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7468 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7469 use instead of type of def.
7470 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7471 function implementation.
7472 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7473 widen_ssumv8hi): New.
7475 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7478 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7481 * c-decl.c (add_flexible_array_elts_to_size): New function.
7482 (finish_decl): Use it.
7484 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7486 * diagnostic.h: Include options.h.
7487 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7488 dependancies for diagnostic.h.
7489 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7491 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7493 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7494 (ssa_ro_call_cache_valid): Ditto.
7495 * tree-ssa-alias.c (sort_tags_by_id): New function.
7496 (init_transitive_clobber_worklist): Ditto.
7497 (add_to_worklist): Ditto.
7498 (mark_aliases_call_clobbered): Ditto.
7499 (compute_tag_properties): Ditto.
7500 (set_initial_properties): Ditto.
7501 (compute_call_clobbered): Ditto.
7502 (compute_may_aliases): Call compute_call_clobbered and grouping.
7503 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7504 (compute_flow_insensitive_aliasing): Grouping now happens in our
7506 (setup_pointers_and_addressables): Remove clobbering related code.
7507 (add_may_alias): Ditto.
7508 (replace_may_alias): Ditto.
7509 (get_nmt_for): Ditto.
7510 (create_global_var):
7511 (is_escape_site): Return an escape_type enumeration.
7512 * tree-flow-inline.h (is_call_clobbered): Global var does not
7513 imply call clobbered.
7514 (mark_call_clobbered): Take a reason for marking this. Remove
7515 marking of globalness, and cache invalidation.
7516 (clear_call_clobbered): Remove cache invalidation code.
7517 * tree-dfa.c (dump_variable): If details is on, dump the reason
7519 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7521 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7522 (struct var_ann_d): Ditto.
7523 (enum escape_type): New.
7524 (mark_call_clobbered): Adjust prototype.
7525 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7526 are never call clobbered.
7527 Record reasons for escaping.
7528 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7529 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7530 (ssa_ro_call_cache_valid): Ditto.
7531 (clobbered_v_may_defs): Ditto.
7532 (clobbered_vuses): Ditto.
7533 (ro_call_vuses): Ditto.
7534 (clobber_stats): New.
7535 (init_ssa_operands): Zero out clobber stats.
7536 (fini_ssa_operands): Print out clobber stats.
7537 (get_call_expr_operands): Pass callee fndecl to
7539 (add_call_clobber_ops): Remove use of cache.
7540 Add use of PURE_CONST information.
7541 (add_call_read_ops): Remove use of cache.
7542 Add use of static not_read information.
7544 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7546 Introduce TLS descriptors for i386 and x86_64.
7547 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7548 (TARGET_ANY_GNU_TLS): New macro.
7549 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7550 (struct machine_function): Add tls_descriptor_call_expanded_p.
7551 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7552 (ix86_current_function_calls_tls_descriptor): Likewise.
7553 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7554 (override_options): Introduce gnu2 tls dialect.
7555 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7557 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7559 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7560 (ix86_init_machine_status): Initialize new field.
7561 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7562 (ix86_tls_module_base): New.
7563 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7564 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7565 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7566 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7567 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7568 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7569 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7570 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7571 * config/i386/predicates.md (tls_modbase_operand): New.
7572 (tp_or_register_operand): New.
7574 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7576 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7577 (look_for_address_of): Ditto.
7578 (ipa_init): Walk the function decls.
7579 (static_execute): Don't set readonly on FUNCTION_DECL's.
7581 2006-01-18 Roger Sayle <roger@eyesopen.com>
7583 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7584 for shifts where the source and destination registers are different.
7586 2006-01-18 Paul Brook <paul@codesourcery.com>
7588 Merge from csl-arm-branch.
7589 2005-03-14 Julian Brown <julian@codesourcery.com>
7590 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7591 (aeabi_llsl): Likewise.
7592 (ashrdi3): Likewise.
7593 (aeabi_lasr): Likewise.
7594 (lshrdi3): Likewise.
7595 (aeabi_llsr): Likewise.
7596 2005-03-10 Julian Brown <julian@codesourcery.com>
7597 * config.gcc: Disable shared libgcc for SymbianOS.
7598 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7600 2006-01-18 DJ Delorie <dj@redhat.com>
7602 * c-pragma.c (handle_pragma_diagnostic): New.
7603 (init_pragma): Register it.
7604 * doc/extend.texi: Document it.
7606 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7607 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7608 (diagnostic_context): Add classify_diagnostic[].
7609 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7610 as errors if they're overridden to DK_WARNING.
7611 (diagnostic_initialize): Initialize classify_diagnostic[].
7612 (diagnostic_set_kind_override): New.
7613 (diagnostic_report_diagnostic): Check for kind changes.
7614 * opts.c (common_handle_option): Take lang_mask. Update callers.
7616 * common.opt (Werror=): New.
7617 * doc/invoke.texi: Document -Werror=*
7619 2006-01-18 Jeff Law <law@redhat.com>
7621 * tree-vrp.c (test_for_singularity): Correct test for new
7622 min limit. Use operand_equal_p rather than pointer equality
7623 for testing if new min/max values are equal.
7625 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7626 using range information until after propagation and folding.
7628 2006-01-18 Richard Henderson <rth@redhat.com>
7629 Aldy Hernandez <aldyh@redhat.com>
7630 Jakub Jelinek <jakub@redhat.com>
7631 Diego Novillo <dnovillo@redhat.com>
7633 * omp-low.c: New file.
7634 * c-omp.c: New file.
7636 2006-01-18 Richard Henderson <rth@redhat.com>
7637 Jakub Jelinek <jakub@redhat.com>
7638 Diego Novillo <dnovillo@redhat.com>
7640 * doc/invoke.texi: Document -fopenmp.
7641 * tree-dump.h (debug_function): Declare.
7642 * hooks.c (hook_bool_tree_bool_false): New function.
7643 (hook_tree_tree_null): Remove.
7644 (hook_tree_tree_tree_null): New.
7645 * hooks.h: Update to match.
7646 * tree-pretty-print.c (debug_tree_chain): New.
7647 (print_generic_expr): Handle TDF_CHAIN.
7648 (dump_generic_node): Handle BLOCK.
7649 Do not abort with incomplete SWITCH_EXPRs.
7650 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7651 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7652 print space after directive name.
7653 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7654 Handle OMP_MASTER and OMP_ORDERED.
7655 Handle printing of OMP_BODY just in one place, goto
7656 dump_omp_body in the rest of OMP_* nodes that have
7658 Don't handle clause nodes here. Update omp statements to
7659 use dump_omp_clauses.
7660 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7661 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7662 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7663 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7664 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7665 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7666 Adjust output for GOMP_PARALLEL.
7667 (dump_omp_clauses): New.
7668 (print_declaration): Dump DECL_VALUE_EXPR.
7669 (op_symbol_1): Split out of op_symbol.
7670 (dumping_stmts): Remove. Update all users.
7671 * cgraph.c (cgraph_analyze_queue): New.
7672 (cgraph_add_new_function): New.
7673 * cgraph.h (cgraph_analyze_queue): Declare.
7674 (cgraph_add_new_function): Declare.
7675 (cgraph_lower_function): Remove.
7676 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7677 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7678 and TYPE_P nodes in its default clause.
7679 (empty_body_p): New.
7680 (tree_range_check_failed): New.
7682 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7683 OMP_CLAUSE_REDUCTION_MERGE,
7684 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7685 OMP_CLAUSE_PRIVATE_DEBUG,
7686 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7687 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7688 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7689 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7690 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7691 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7692 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7693 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7694 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7695 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7696 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7697 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7698 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7699 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7700 (TREE_RANGE_CHECK): New.
7701 (empty_body_p): Declare.
7702 (enum omp_clause_default_kind): New.
7703 (build_string_literal): Declare.
7704 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7705 (build5_stat, build5): Declare.
7706 * tree-pass.h (TDF_CHAIN): Define.
7707 * tree-pass.h (PROP_gimple_lomp): Define.
7708 (pass_lower_omp): Declare.
7709 * diagnostic.h (debug_tree_chain): Declare.
7710 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7712 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7713 * builtins.c (build_string_literal): Make extern.
7714 * gcc.c (include_spec_function): New.
7715 (static_spec_functions): Add it.
7716 (main): Move load of libgomp.spec ...
7717 (LINK_COMMAND_SPEC): ... here.
7718 (link_gomp_spec): New.
7719 (static_specs): Include it.
7720 (LINK_COMMAND_SPEC): Add link_gomp.
7721 (GOMP_SELF_SPECS): New.
7722 (driver_self_specs): Include it.
7723 (switch_matches): Don't mark inline.
7724 (main): Load libgomp.spec.
7725 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7726 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7727 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7728 * tree-gimple.h (enum omp_parallel): Declare.
7729 (determine_parallel_type): Declare.
7730 (omp_firstprivatize_variable): Declare.
7731 (omp_reduction_init): Declare.
7732 (diagnose_omp_structured_block_errors): Declare.
7733 (struct walk_stmt_info): Add want_return_expr.
7734 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7735 (find_omp_clause): Declare.
7736 (insert_field_into_struct): Declare.
7737 (struct walk_stmt_info): Move from tree-nested.c
7738 (walk_stmts): Declare.
7739 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7741 * cgraphunit.c (cgraph_lower_function): Make static.
7742 (cgraph_finalize_pending_functions): New.
7743 (cgraph_finalize_function): Call it.
7744 (cgraph_finalize_compilation_unit): Likewise.
7745 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7746 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7747 (BT_FN_UINT_UINT): New.
7748 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7749 DEF_FUNCTION_TYPE_VAR_4): Document.
7750 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7751 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7752 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7753 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7754 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7755 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7756 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7757 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7758 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7759 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7760 into separate files.
7761 (DEF_GOMP_BUILTIN): New.
7762 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7763 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7764 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7765 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7766 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7767 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7768 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7769 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7770 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7771 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7772 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7773 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7774 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7775 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7776 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7777 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7778 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7779 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7780 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7781 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7782 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7783 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7784 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7785 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7786 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7787 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7788 * sync-builtins.def: New file, moved from builtins.def.
7789 * omp-builtins.def: New file, moved from builtins.def.
7790 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7791 * gimple-low.c (lower_function_body): Clear data.
7792 (lower_stmt): Do not handle COMPOUND_EXPR.
7793 Remove call to print_node_brief.
7794 * c-tree.h (c_finish_omp_clauses): New prototype.
7795 (C_DECL_THREADPRIVATE_P): Define.
7796 (lookup_name_no_remap, c_omp_remap_private): Remove
7797 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7798 (check_for_loop_decls): Update decl.
7799 (lookup_name_no_remap, c_omp_remap_private): Declare.
7800 (build_indirect_ref, build_modify_expr, pushdecl,
7801 pushdecl_top_level): Move to c-common.h.
7802 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7803 before the switch, but just in the 2 places that need it.
7804 * c-decl.c (diagnose_mismatched_decls): Do not check for
7805 mismatched thread-local attributes when OLDDECL is marked
7806 threadprivate and NEWDECL has no thread-local attributes.
7807 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7808 (c_gimple_diagnostics_recursively): Rename from
7809 c_warn_unused_result_recursively. Invoke
7810 diagnose_omp_structured_block_errors.
7811 (check_for_loop_decls): Return a singular decl found.
7812 * langhooks.c (lhd_omp_predetermined_sharing): Return
7813 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7814 (lhd_omp_firstprivatize_type_sizes): New.
7815 (lhd_omp_assignment): New.
7816 (lhd_omp_predetermined_sharing): New.
7817 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7818 (struct lang_hooks_for_types): Add
7819 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7820 omp_predetermined_sharing, omp_disregard_value_expr,
7821 omp_private_debug_clause, omp_clause_default_ctor,
7822 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7823 (c_finish_omp_clauses): New.
7824 (c_finish_bc_stmt): Diagnose break within omp for.
7825 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7826 (build_unary_op): Return error_mark after reporting
7828 (build_modify_expr): Likewise.
7829 * gimplify.c: Include optabs.h and pointer-set.h.
7830 (enum gimplify_omp_var_data): Declare.
7831 (struct gimplify_omp_ctx): Declare.
7832 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7834 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7835 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7836 (splay_tree_compare_decl_uid): New.
7837 (new_omp_context): New.
7838 (delete_omp_context): New.
7839 (gimple_add_tmp_var): Call omp_add_variable.
7840 (gimplify_bind_expr): Likewise.
7841 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7842 true, disregard DECL_VALUE_EXPR on the decl if any.
7843 (gimplify_expr_in_ctx): New.
7844 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7845 omp_add_variable, omp_notice_variable, omp_is_private
7846 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7847 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7848 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7849 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7850 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7851 gimplify_omp_atomic): New.
7852 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7853 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7854 OMP_CRITICAL and OMP_ATOMIC.
7855 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7856 * c-pragma.h (enum pragma_kind): Add
7857 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7858 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7859 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7860 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7861 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7862 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7863 PRAGMA_OMP_THREADPRIVATE.
7864 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7865 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7866 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7867 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7868 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7869 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7870 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7871 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7872 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7873 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7874 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7875 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7876 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7878 (struct nesting_info): Add field_map,
7879 suppress_expansion, debug_var_chain.
7880 (create_nesting_tree): Initialize them.
7881 (lookup_field_for_decl): Use field_map.
7882 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7883 (convert_local_omp_clauses): New.
7884 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7885 (walk_body): Split out of walk_function.
7886 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7887 (convert_nonlocal_reference): Handle omp statements.
7888 (convert_local_reference): Likewise.
7889 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7890 (unnest_nesting_tree): New.
7891 (lower_nested_functions): Call it.
7892 (insert_field_into_struct): Make extern.
7893 (struct walk_stmt_info): Move to tree-gimple.h.
7894 (walk_stmts): Make extern.
7895 * omp-builtins.def: New file.
7896 * tree-iterator.c (expr_only): Clarify comment.
7897 * c-common.h (pushdecl_top_level, pushdecl,
7898 build_modify_expr, build_indirect_ref,
7899 c_finish_omp_master, c_finish_omp_critical,
7900 c_finish_omp_ordered, c_finish_omp_barrier,
7901 c_finish_omp_atomic, c_finish_omp_flush,
7902 c_finish_omp_for, c_split_parallel_clauses,
7903 omp_clause_default_kind, c_omp_sharing_predetermined,
7904 c_omp_remap_decl): Declare.
7905 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7906 (OBJS-common): Add omp-low.o.
7907 (c-omp.o, omp-low.o): Add.
7908 (gimplify.o): Add dependency on $(OPTABS_H).
7909 (GTFILES): Add omp-low.c.
7910 (gt-stringpool.h): Add.
7911 * tree-cfg.c (set_bb_for_stmt): Do not update the
7912 block-to-labels map if we are currently expanding to RTL.
7913 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7915 Handle IDENTIFIER_NODE.
7916 (tree_verify_flow_info): Do not ICE when emitting error
7917 messages about invalid labels.
7918 (dump_function_to_file): Reset CFUN before emitting the body
7920 (debug_function): New.
7921 * passes.c (init_optimization_passes): Schedule
7923 * langhooks-def.h (lhd_omp_predetermined_sharing,
7924 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7926 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7927 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7928 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7929 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7930 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7931 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7932 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7933 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7934 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7935 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7936 (LANG_HOOK_DECLS): Use them.
7938 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7939 Richard Henderson <rth@redhat.com>
7940 Jakub Jelinek <jakub@redhat.com>
7941 Diego Novillo <dnovillo@redhat.com>
7943 * c-parser.c (pragma_omp_clause): Define.
7944 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7945 (c_parser_compound_statement): Likewise.
7946 (c_parser_statement): Likewise.
7947 (c_parser_pragma): Handle omp pragmas.
7948 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7949 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7950 (c_parser_omp_clause_name, check_no_duplicate_clause,
7951 c_parser_omp_variable_list,
7952 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7953 c_parser_omp_clause_copyprivate,
7954 c_parser_omp_clause_default,
7955 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7956 c_parser_omp_clause_lastprivate,
7957 c_parser_omp_clause_nowait,
7958 c_parser_omp_clause_num_threads,
7959 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7960 c_parser_omp_clause_reduction,
7961 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7962 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7963 c_parser_omp_atomic, c_parser_omp_barrier,
7964 c_parser_omp_critical, c_parser_omp_flush,
7965 c_parser_omp_for_loop, c_parser_omp_for,
7966 c_parser_omp_master, c_parser_omp_ordered,
7967 c_parser_omp_sections_scope, c_parser_omp_sections,
7968 c_parser_omp_parallel, c_parser_omp_single,
7969 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7970 * c-pragma.c (init_pragma): Do omp pragma registration here.
7971 * c.opt (fopenmp): New flag.
7973 2006-01-18 Eric Christopher <echristo@apple.com>
7975 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7976 * config/darwin.h (GOMP_SELF_SPECS): Define.
7978 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7980 * rtl.h: Remove the prototype for reg_alloc.
7982 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7985 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7986 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7987 sjlj and dwarf2 exception handling.
7988 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7989 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7990 * pa/pa.c (function_value): Treat complex and vector types as
7992 (function_arg): Likewise. Only pass scalar floats in the floating
7993 point argument registers.
7994 * pa/t-slibgcc-dwarf-ver: New file.
7995 * pa/t-slibgcc-sjlj-ver: New file.
7996 * pa/t-slibgcc-elf-ver: Delete file.
7998 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8000 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8001 unlikely_test_section_p test.
8003 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8005 * mode-switching.c (optimize_mode_switching): Make it static.
8006 * basic-block.h: Remove the prototype for
8007 optimize_mode_switching.
8009 * modulo-sched.c (sms_schedule): Make it static.
8010 * rtl.h: Remove the prototype for sms_schedule.
8012 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8013 * rtl.h: Remove the prototype for gcse_after_reload_main.
8015 * reg-stack.c (reg_to_stack): Make it static.
8016 * rtl.h: Remove the prototype for reg_to_stack.
8018 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8020 * rtl.h: Remove the prototypes for regrename_optimize and
8021 copyprop_hardreg_forward.
8023 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8025 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8026 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8027 Test against the appropriate null constant for the mode.
8028 If 'fixup_overlap' is true, swap the operands if they overlap.
8029 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8030 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8031 alpha_split_tmode_pair and adjust for above change.
8032 * config/alpha/alpha.md (movtf_internal): Adjust call to
8033 alpha_split_tfmode_pair and rely on it to swap the operands.
8034 (movti_internal): New insn and post-reload splitter.
8035 (movti): New expander.
8037 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8039 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8042 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8044 * rtlanal.c (global_reg_mentioned_p_1,
8045 global_reg_mentioned_p): Remove.
8046 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8048 * flow.c (initialize_uninitialized_subregs): Make it static.
8049 * rtl.h: Remove the prototype for
8050 initialize_uninitialized_subregs.
8052 * function.c (instantiate_virtual_regs): Make it static.
8053 * function.h: Remove the prototype for
8054 instantiate_virtual_regs.
8056 * regmove.c (regmove_optimize, combine_stack_adjustments):
8058 * rtl.h: Remove the prototypes for regmove_optimize and
8059 combine_stack_adjustments.
8061 2006-01-17 Roger Sayle <roger@eyesopen.com>
8063 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8064 (size_cost): Encode costs in bytes so that a reg-reg addition is
8065 equivalent to COSTS_N_INSNS(1).
8066 (override_options): Use the size_cost.branch_cost as the default
8067 ix86_branch_cost when optimizing for size.
8069 2006-01-18 Ben Elliston <bje@au.ibm.com>
8071 * Makefile.in (D32PBIT_FUNCS): New.
8072 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8073 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8074 D64PBIT_FUNCS and D128PBIT_FUNCS.
8075 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8076 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8078 (decnumber_dep): Define.
8079 * doc/libgcc.texi (Decimal float library routines): New node.
8080 * config/dfp-bit.h, config/dfp-bit.c: New files.
8082 2006-01-18 Ben Elliston <bje@au.ibm.com>
8084 * expr.c (emit_move_change_mode): Always adjust addresses, not
8085 just during reload. Copy replacements only during reload.
8086 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8087 emit_move_via_integer.
8089 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8091 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8092 instead of $(srcdir) and ${srcdir}.
8094 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8098 * arm.h (struct machine_function): Add pic_reg.
8099 * arm.c (arm_pic_register): Make unsigned.
8100 (arm_override_options): Only set arm_pic_register if
8101 TARGET_SINGLE_PIC_BASE.
8102 (use_return_insn): Only test for a pic register if it is fixed.
8103 (arm_compute_save_reg0_reg12_mask): Likewise.
8104 (thumb_compute_save_reg_mask): Likewise.
8105 (legitimate_pic_operand): Factor out some known invariants.
8106 (legitimize_pic_address): If we don't have a fixed pic register,
8107 then set up a pseudo in the function entry sequence. Handle the
8108 pic base being in a pseudo.
8109 (arm_load_pic_register): Handle the pic register being in a pseudo.
8110 (arm_expand_prologue): Only set up the pic register if it is fixed.
8111 (thumb_expand_prologue): Likewise.
8112 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8113 (pic_load_addr_based_insn): Likewise.
8114 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8117 2006-01-18 Ben Elliston <bje@au.ibm.com>
8119 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8120 decimal float modes for all floating point registers.
8122 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8123 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8125 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8128 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8129 even when the pointer is not NULL.
8131 2006-01-16 Ian Lance Taylor <ian@airs.com>
8133 * common.opt (ftoplevel-reorder): New option.
8134 * cgraph.c (cgraph_asm_nodes): New global variable.
8135 (cgraph_asm_last_node): New static variable.
8136 (cgraph_order): New global variable.
8137 (cgraph_create_node): Set new order field.
8138 (cgraph_varpool_node): Likewise.
8139 (decide_is_variable_needed): Return true if not
8140 flag_toplevel_reorder.
8141 (cgraph_add_asm_node): New function.
8142 * cgraph.h (struct cgraph_node): Add order field.
8143 (struct cgraph_varpool_node): Add order field.
8144 (struct cgraph_asm_node): Define.
8145 (cgraph_asm_nodes, cgraph_order): Declare.
8146 (cgraph_add_asm_node): Declare.
8147 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8149 (cgraph_varpool_assemble_pending_decls): Call it.
8150 (cgraph_output_pending_asms): New static function.
8151 (cgraph_finalize_compilation_unit): Call it.
8152 (struct cgraph_order_sort): Define.
8153 (cgraph_output_in_order): New static function.
8154 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8155 !flag_toplevel_reorder case.
8156 * c-parser.c: Include "cgraph.h".
8157 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8159 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8160 than -fno-unit-at-a-time.
8161 * doc/invoke.texi (Option Summary): Mention
8162 -fno-toplevel-reorder.
8163 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8164 -funit-at-a-time documentation.
8166 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8167 Kazu Hirata <kazu@codesourcery.com>
8169 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8171 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8173 * Makefile.in (FUNCTION_H): New. Use it instead of
8174 function.h throughout the file.
8175 * function.h: Include tree.h.
8177 2006-01-17 Ben Elliston <bje@au.ibm.com>
8179 * recog.c: Separate some functions with whitespace.
8181 2006-01-16 Richard Henderson <rth@redhat.com>
8183 Merge from gomp branch:
8184 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8185 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8186 and rename from struct inline_data. Rename callee* to dst*;
8187 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8188 transform_new_cfg, transform_return_to_modify, and
8189 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8191 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8192 (copy_decl_for_dup): Remove.
8193 * tree-inline.c (struct inline_data): Move to header.
8194 (insert_decl_map): Export.
8195 (remap_decl): Update for member name changes. Use copy_decl hook.
8196 Allow for replacement to be a non-decl. Remove dead code.
8197 (remap_type_1): Check for existing mapping.
8198 (remap_type): Export.
8199 (remap_decls): Update for member name changes.
8200 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8201 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8202 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8203 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8204 (tree_function_versioning, build_duplicate_type): Likewise.
8205 (copy_body_r): Likewise. Export.
8206 (copy_decl_for_dup): Split into ...
8207 (copy_decl_for_dup_finish, copy_decl_to_var,
8208 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8209 (replace_ref_tree, inlining_p): Remove.
8211 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8213 * ifcvt.c (if_convert): Make it static.
8214 * rtl.h: Remove the prototype for if_convert.
8216 * local-alloc.c (local_alloc): Make it static.
8217 * rtl.h: Remove the prototype for local_alloc.
8219 * loop.c (loop_optimize): Make it static.
8220 * cfgloop.h: Remove the prototype for loop_optimize.
8223 2006-01-16 DJ Delorie <dj@redhat.com>
8225 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8228 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8230 * pa.md: Disparage copies between general and floating-point registers
8231 in 32-bit move patterns.
8233 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8236 * Makefile.in (check-%): Depend on site.exp instead of
8237 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8240 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8242 * global.c (global_alloc): Make it static.
8243 * rtl.h: Remove the prototype for global_alloc.
8245 2006-01-16 Richard Guenther <rguenther@suse.de>
8247 * tree-ssa-alias.c (struct used_part): Add write_only field.
8248 (get_or_create_used_part_for): Initialize it to true.
8249 (create_overlap_variables_for): Don't create structure variables
8250 for structures that only are written to.
8251 (find_used_portions): Handle MODIFY_EXPR to track whether a
8252 structure is only written to.
8254 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8256 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8258 * basic-block.h: Remove the prototype for
8259 partition_hot_cold_basic_blocks.
8261 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8263 * cppspec.c (lang_specific_spec_functions): Remove.
8264 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8265 * gcc.h (lang_specific_spec_functions): Remove.
8266 * gccspec.c (lang_specific_spec_functions): Remove.
8268 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8270 * combine.c (record_value_for_reg): Invalidate registers
8272 (record_dead_and_set_regs_1): Likewise, by passing them to
8273 record_value_for_reg.
8274 (record_dead_and_set_regs): Invalidate stores made by a
8275 call. We do not combine across a call, but we still
8276 relied on equivalences.
8278 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8280 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8281 vrp_int_const_binop returning non-constant nodes.
8283 2006-01-16 Paul Brook <paul@codesourcery.com>
8285 * config/m68k/m68k.c (output_move_const_into_data_reg):
8286 Output correct mnemonic for mvz and mvs.
8288 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8290 * rtl-factoring.c: Add sequence abstraction algorithm.
8291 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8292 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8294 (block_has_preserve_label): New function.
8295 * common.opt: Register new pass.
8296 * Makefile.in: Ditto.
8298 * timevar.def: Ditto.
8299 * tree-pass.h: Ditto.
8300 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8301 * rtl.h (make_jump_insn_raw): Add forward decl.
8302 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8304 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8305 Roger Sayle <roger@eyesopen.com>
8307 * fold-const.c (fold_minmax): New static function.
8308 (fold_binary) <MIN_EXPR>: Call it.
8309 <MAX_EXPR>: Likewise.
8310 * stor-layout.c (place_field): Use DECL_SIZE consistently
8311 in the computation of the new record size.
8313 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8315 * cse.c (cse_condition_code_reg): Make it static.
8316 * rtl.h: Remove the prototype for cse_condition_code_reg.
8318 * combine.c (combine_instructions): Make it static.
8319 * rtl.h: Remove the prototype for combine_instructions.
8321 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8324 * tree.c (get_file_function_name_long): Concatenate the first global
8325 object name with a string derived from the input filename of the object
8328 2006-01-16 Ben Elliston <bje@au.ibm.com>
8330 * config/i386/winnt-stubs.c: Update FSF address.
8331 * config/xtensa/ieee754-df.S: Ditto.
8332 * config/xtensa/ieee754-sf.S: Ditto.
8334 2006-01-14 Ian Lance Taylor <ian@airs.com>
8336 * ifcvt.c (noce_init_if_info): New static function, broken out of
8337 noce_process_if_block.
8338 (noce_process_if_block): Call noce_init_if_info.
8339 (check_cond_move_block): New static function.
8340 (cond_move_process_if_block): New static function.
8341 (process_if_block): Call cond_move_process_if_block.
8343 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8345 * cselib.c (hash_table): Rename to cselib_hash_table.
8346 (cselib_clear_table, discard_useless_values,
8347 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8348 cselib_init, cselib_finish): Adjust uses of hash_table.
8350 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8352 PR tree-optimization/25485
8353 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8354 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8355 is known to be false and true, respectively.
8357 2006-01-14 Richard Guenther <rguenther@suse.de>
8359 PR tree-optimization/22548
8360 PR tree-optimization/22555
8361 PR tree-optimization/22501
8362 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8363 * params.def (salias-max-array-elements): New parameter.
8364 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8365 * doc/invoke.texi (salias-max-array-elements): Document.
8366 * tree-flow-inline.h (var_can_have_subvars): We also handle
8368 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8370 * tree-ssa-structalias.c (params.h): Include.
8371 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8372 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8373 (get_constraint_for): For ADDR_EXPR operating on something
8374 containing an ARRAY_REF, add all subvars to the solution.
8375 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8376 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8377 for creating MUST_DEFs.
8378 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8380 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8382 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8384 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8385 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8386 number_of_iterations_le): New functions.
8387 (number_of_iterations_special): Removed.
8388 (number_of_iterations_exit): Do not use number_of_iterations_special.
8389 * tree.c (unsigned_type_for): Always return integer type.
8391 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8392 Richard Guenther <rguenther@suse.de>
8394 PR rtl-optimization/24257
8395 * gcse.c (find_moveable_store): Only consider a store movable
8396 when the SET_SRC of the insn can be assigned to a register.
8398 2006-01-14 Ian Lance Taylor <ian@airs.com>
8400 * tree.c (tree_not_class_check_failed): New function.
8401 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8402 (tree_not_class_check_failed): Declare.
8404 2006-01-13 Ian Lance Taylor <ian@airs.com>
8406 * reload1.c (do_output_reload): Add assertion rejecting a
8409 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8411 * combine.c (struct reg_stat): Add new fields truncation_label and
8413 (record_value_for_reg): Reset truncated_to_mode.
8414 (record_truncated_value): New function.
8415 (check_promoted_subreg): Call it. Rename to check_conversions.
8416 (combine_instructions): Rename check_promoted_subreg to
8418 (reg_truncated_to_mode): New function.
8419 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8420 (gen_lowpart_or_truncate): New function.
8421 (force_to_mode): Use it instead of gen_lowpart.
8423 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8425 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8426 VAR is a tag, not its type tag.
8428 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8430 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8431 alternatives to match style of other entries.
8432 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8434 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8436 PR tree-optimization/25771
8437 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8440 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8443 * tree-inline.c (declare_return_variable): If the return variable
8444 was marked as a non gimple complex, set the return slot variable
8445 to be a non gimple comple variable.
8447 2006-01-13 Richard Guenther <rguenther@suse.de>
8449 * builtins.c (expand_builtin_sincos): New function.
8450 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8452 (expand_builtin): Expand sincos using expand_builtin_sincos.
8454 2006-01-12 DJ Delorie <dj@redhat.com>
8456 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8457 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8458 so that constant shifts can be split.
8459 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8460 (m32c_valid_pointer_mode): Make static.
8461 (shift_gen_func_for): New.
8462 (m32c_prepare_shift): Use it. Split large const shifts into
8464 * config/m32c/predicates.md (shiftcount_operand): Allow more
8466 (longshiftcount_operand): New.
8467 * doc/md.texi (Machine Constraints): Document In6.
8469 2006-01-13 Ben Elliston <bje@au.ibm.com>
8471 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8472 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8475 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8477 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8478 to try to avoid clobbering pieces of structures when we know
8479 something about the whole structure.
8480 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8482 2006-01-13 Ben Elliston <bje@au.ibm.com>
8484 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8485 return in memory, as this is no limitation is no longer present.
8487 2006-01-12 DJ Delorie <dj@redhat.com>
8489 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8490 mova with fb, and for fb+0 -> An.
8492 * config/m32c/mov.md (peephole2): Fix enabling logic.
8494 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8495 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8496 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8497 FINI_ARRAY_SECTION_ASM_OP): Define.
8499 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8501 (m32c_legitimize_reload_address): New logic to reload FB to An.
8502 (m32c_output_reg_push): Add newline.
8503 (m32c_output_reg_pop): Likewise.
8505 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8507 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8509 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8511 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8513 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8515 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8518 2006-01-11 Ben Elliston <bje@au.ibm.com>
8520 * rtlanal.c (find_reg_note): Assert insn is not null.
8522 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8524 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8527 2006-01-11 Jeff Law <law@redhat.com>
8529 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8531 (mark_threaded_blocks, register_jump_thread): New functions.
8532 (thread_through_all_blocks): Remove unwanted argument. No
8533 longer rely on e->aux to communicate thread target info.
8534 Call mark_threaded_blocks. Release the threaded_blocks
8535 bitmap and threaded_edges vector when complete.
8536 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8537 (threaded_blocks): Remove.
8538 (tree_ssa_dominator_optimize): Remove initialization and
8539 finalization of threaded_blocks. Simplify call to
8540 thread_through_all_blocks.
8541 (thread_across_edge): Call register_jump_thread rather than
8542 storing thread information into e->aux.
8543 (free_all_edge_infos): Simplify now that e->aux is no longer
8544 used to communicate with thread_through_all_blocks.
8545 * tree-flow.h (thread_through_all_blocks): Update prototype.
8546 (register_jump_thread): Prototype.
8548 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8550 * df-core.c (df_compact_blocks, df_bb_replace): Use
8551 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8553 2006-01-11 Richard Guenther <rguenther@suse.de>
8555 PR tree-optimization/25734
8556 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8557 stop propagation after successful propagation to the LHS.
8559 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8561 * basic-block.h (control_flow_graph): Change the type of
8562 x_basic_block_info to VEC(basic_block,gc) *.
8563 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8565 (SET_BASIC_BLOCK): New.
8566 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8567 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8568 * cfgbuild.c (find_basic_blocks): Likewise.
8569 * cfglayout.c (fixup_reorder_chain): Likewise.
8570 * cfgrtl.c (create_basic_block_structure,
8571 rtl_create_basic_block): Likewise.
8572 * ifcvt.c (find_if_case_1): Likewise.
8573 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8576 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8578 * Makefile.in: Removed rotted odf.c entry.
8580 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8583 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8584 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8585 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8586 output pattern modifier, not %e.
8587 * config/cris/cris.c (cris_op_str): Update comment about pattern
8589 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8590 before falling through into...
8591 <case 'E'>: Redefined from old 'e' case.
8593 2006-01-11 Jan Hubicka <jh@suse.cz>
8596 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8598 2006-01-11 Jan Hubicka <jh@suse.cz>
8600 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8601 * i386.c (x86_decompose_lea): Kill.
8602 (ix86_rtx_costs): Kill.
8604 2006-01-11 Jan Hubicka <jh@suse.cz>
8606 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8607 * cgraph.h (cgraph_node): Add inline_decl.
8608 (cgraph_insert_node_to_hashtable): Declare.
8609 (save_inline_function_body): Declare.
8610 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8612 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8613 (cgraph_function_versioning): Update call of tree_function_versioning.
8614 (save_inline_function_body): New function.
8615 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8616 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8617 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8618 (cgraph_default_inline_p): Likewise.
8619 (cgraph_decide_inlining_incrementally): Likewise.
8620 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8621 (copy_bb): Kill saving; do updating of clones.
8622 (copy_cfg_body): Kill saving.
8623 (initialize_inlined-parameters): Likewise.
8624 (expand_call_inline): Likewise.
8626 (tree_function_versioning): New parameter "update_clones".
8627 (inlining_p): Kill saving.
8628 * tree-inline.h (tree_function_versioning): Update prototype.
8629 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8632 2006-01-11 Ian Lance Taylor <ian@airs.com>
8634 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8635 Allow undoing set of machine mode.
8636 (do_SUBST): Use enums instead of is_int.
8637 (do_SUBST_MODE): New function.
8638 (SUBST_MODE): New macro.
8639 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8640 reg and trying to replace reg_regno_rtx with a new register.
8641 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8642 (simplify_set): Use SUBST_MODE.
8643 (distribute_notes): Remove code that tried to update reg notes
8644 for regno_reg_rtx changes.
8646 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8648 PR tree-optimization/23109
8649 PR tree-optimization/23948
8650 PR tree-optimization/24123
8652 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8653 * tree-cfg.c (single_noncomplex_succ): New.
8654 * tree-flow.h (single_noncomplex_succ): Declare it.
8655 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8656 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8657 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8658 insert_bb, register_division_in, insert_reciprocals,
8659 replace_reciprocal, free_bb): New.
8660 (execute_cse_reciprocals_1): Rewritten.
8661 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8662 Do not commit any edge insertion. Always compute dominators and
8663 create the allocation pool.
8664 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8665 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8666 * targhooks.c (default_min_divistions_for_recip_mul): New.
8667 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8668 * passes.c (init_optimization_passes): Run recip after tree loop
8670 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8672 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8673 Kenneth Zadeck <zadeck@naturalbridge.com>
8675 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8676 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8677 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8678 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8679 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8680 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8681 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8682 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8683 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8684 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8685 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8686 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8687 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8688 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8689 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8690 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8691 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8692 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8693 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8694 DF_SCAN_POST_ALLOC): New macros.
8695 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8696 df_free_bb_function, df_local_compute_function, df_init_function,
8697 df_dataflow_function, df_confluence_function_0,
8698 df_confluence_function_n, df_transfer_function,
8699 df_finalizer_function, df_free_function, df_dump_problem_function,
8700 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8701 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8702 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8703 df_urec_bb_info, ) New types.
8704 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8706 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8707 df_analyze_simple_change_some_blocks,
8708 df_analyze_simple_change_one_block, df_compact_blocks,
8709 df_bb_replace, df_bb_regno_last_use_find,
8710 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8711 df_insn_regno_def_p, df_find_def, df_find_use,
8712 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8713 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8714 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8715 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8716 debug_df_chain, df_get_dependent_problem, df_chain_create,
8717 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8718 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8719 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8720 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8721 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8722 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8723 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8724 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8725 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8726 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8727 df_reorganize_refs, df_set_state, df_hard_reg_init,
8728 df_read_modify_subreg_p) New public functions.
8729 * df-core.c: The core dataflow solver and glue routines for rtl
8731 (df_init, df_add_problem, df_set_blocks, df_finish,
8732 df_hybrid_search_forward, df_hybrid_search_backward,
8733 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8734 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8735 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8736 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8737 df_reg_defined, df_find_use, df_reg_used, df_dump,
8738 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8739 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8740 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8741 debug_df_useno, reset_df_after_reload): New functions.
8742 * df-scan.c: The scanning fuctions, once in df.c, completely
8743 rewritten so that they now fully model the functionality of
8744 register usage at the backend.
8745 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8746 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8747 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8748 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8749 df_get_artificial_defs, df_get_artificial_uses,
8750 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8751 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8752 df_refs_delete, df_reorganize_refs, df_set_state,
8753 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8754 df_def_record_1, df_defs_record, df_uses_record,
8755 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8756 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8757 df_record_exit_block_uses, df_hard_reg_init): New functions.
8759 * df-problems.c: Seven concrete dataflow problems that use the
8760 scanning in df-scan.c and are solved by the engine in df-core.c.
8761 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8762 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8763 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8764 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8765 df_ru_free_bb_info, df_ru_alloc,
8766 df_ru_bb_local_compute_process_def,
8767 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8768 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8769 df_ru_transfer_function, df_ru_free, df_ru_dump,
8770 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8771 df_rd_free_bb_info, df_rd_alloc,
8772 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8773 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8774 df_rd_transfer_function, df_rd_free, df_rd_dump,
8775 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8776 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8777 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8778 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8779 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8780 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8781 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8782 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8783 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8784 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8785 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8786 df_urec_mark_reg_use_for_earlyclobber,
8787 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8788 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8789 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8790 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8791 df_chain_create_bb_process_use, df_chain_create_bb,
8792 df_chain_finalize, df_chain_free, df_chains_dump,
8793 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8794 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8795 df_reg_lifetime): New functions.
8796 * df.c: Deleted file.
8797 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8798 consistent with new df api.
8799 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8800 rest_of_handle_sms): Ditto.
8801 * web.c (unionfind_union, union_defs, entry_register, web_main):
8803 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8804 invariant_expr_equal_p, find_defs, check_dependencies,
8805 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8806 free_inv_motion_data, move_loop_invariants): Ditto.
8807 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8808 Update dependencies.
8809 (odf.c): Added defective entry that was deleted later in day.
8810 * sched-deps.c (sched_analyze_1): Ditto.
8812 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8814 * tree-ssa-operands.c (get_expr_operands): Record addressable
8815 variables directly. Do not call add_stmt_operands for CONST_DECLs
8817 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8818 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8820 2006-01-11 Ben Elliston <bje@au.ibm.com>
8822 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8823 function returns true in the positive case.
8825 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8828 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8829 for SI, DI, SF and DF modes. Add alternatives to copy between
8830 general and floating point registers to the 32-bit patterns.
8831 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8832 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8833 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8834 generating 64-bit code.
8835 * config/pa/pa.c (output_move_double): Handle copies between general
8836 and floating registers.
8838 2006-01-10 Stuart Hastings <stuart@apple.com>
8840 * config/i386/i386.md (set_got): Update.
8841 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8842 (builtin_setjmp_receiver): Mach-O support.
8843 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8844 (GOT_SYMBOL_NAME): Define.
8845 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8846 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8847 * config/i386/i386.c (override_options): Revise for Darwin.
8848 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8849 support. (darwin_x86_file_end): New. (output_set_got): Add label
8850 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8851 * config/i386/i386-protos.h (output_set_got): Likewise.
8852 * config/darwin.c (machopic_legitimize_pic_address): Update
8855 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8857 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8858 when MODE isn't BLKmode.
8860 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8862 PR rtl-optimization/25367
8863 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8865 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8868 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8869 for a negative bound.
8871 2006-01-10 Richard Guenther <rguenther@suse.de>
8873 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8874 Never override with anything constraint.
8876 2006-01-10 Jan Beulich <jbeulich@novell.com>
8878 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8879 256 bits when optimize_size.
8881 2006-01-10 Jan Beulich <jbeulich@novell.com>
8883 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8885 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8886 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8889 2006-01-10 Ben Elliston <bje@au.ibm.com>
8891 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8893 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8894 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8895 (USE_FP_FOR_ARG): Reject decimal float modes.
8896 (function_arg_advance): Likewise.
8897 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8898 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8899 point types in AltiVec vectors.
8900 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8901 (rs6000_libcall_value): Likewise.
8903 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8905 * config/xtensa/ieee754-df.S: New file.
8906 * config/xtensa/ieee754-sf.S: New file.
8907 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8908 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8909 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8911 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8913 * config/sh/predicates.md (binary_float_operator,
8914 binary_logical_operator, commutative_float_operator,
8915 equality_comparison_operator, greater_comparison_operator,
8916 less_comparison_operator, logical_operator,
8917 noncommutative_float_operator, shift_operator,
8918 symbol_ref_operand, unary_float_operator): Remove redundant
8921 2006-01-09 Jeff Law <law@redhat.com>
8923 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8924 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8925 now unused arguments. Callers updated.
8926 (eliminate_redundant_computations): Remove now unused arguments,
8928 (local_fold): Remove, no longer used.
8929 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8931 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8932 (simplify_cond): New function.
8933 (forward_propagate_into_cond): Call simplify_cond.
8935 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8937 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8938 (*vec_extractv2di_1_sse): New.
8940 2006-01-09 Ben Elliston <bje@au.ibm.com>
8942 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8944 2006-01-08 Richard Guenther <rguenther@suse.de>
8946 * tree-ssa-structalias.c (get_constraint_for): Remove
8948 (get_constraint_for_component_ref): Likewise.
8949 (do_deref): Likewise.
8950 (get_constraint_for): Likewise.
8951 (do_structure_copy): Likewise.
8952 (handle_ptr_arith): Likewise.
8953 (find_func_aliases): Likewise. Remove unused need_anyoffset
8956 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8957 Kaz Kojima <kkojima@gcc.gnu.org>
8959 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8960 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8961 (EXTRA_CONSTRAINT_C16): Remove.
8962 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8963 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8964 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8965 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8966 constants of SHmedia. Handle nested constant expressions of
8968 (andcosts): Fix the costs for SHmedia constants.
8969 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8970 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8971 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8972 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8973 (movv4hi_i, movv2si_i): Likewise.
8974 (movsi_const): Adjust the second operand of ior so to match with
8976 (movdi_const, movdi_const_32bit): Likewise.
8977 (movdi_const_16bit+1): Don't sign-extend LOW.
8978 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8980 (*double_shori): Fix the split condition. Use GEN_INT instead
8981 of get_int_mode calls. Mask lower 16-bit of the argument of
8983 (sym2GOTPLT): Remove.
8984 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8986 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8987 instead of EXTRA_CONSTRAINT_C16.
8989 2006-01-07 Ian Lance Taylor <ian@airs.com>
8990 David Edelsohn <edelsohn@gnu.org>
8992 PR rtl-optimization/25662
8993 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8994 for constant operands instead of simplify_gen_binary.
8995 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8996 after trying simplify_binary_operation
8998 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9000 * tree.c (iterative_hash_expr): Hash decls based on UID.
9002 2006-01-06 Eric Christopher <echristo@apple.com>
9004 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9005 (TARGET_UNWIND_EMIT): Fix spelling.
9006 * target.h (gcc_target): Add except_table_label.
9007 * except.c (output_function_exception_table): Use.
9008 * varasm.c (default_emit_except_table_label): New.
9009 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9011 (asm_out): Add here.
9012 * output.h (default_emit_except_table_label): Prototype.
9013 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9014 * config/darwin.c (darwin_emit_except_table_label): Define.
9015 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9017 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9019 PR tree-optimization/18527
9020 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9021 number_of_iterations_special, number_of_iterations_exit):
9022 Move base and step of an iv to a single structure. Add
9023 no_overflow flag, and use it in # of iterations analysis.
9024 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9025 folded_casts argument.
9026 (simple_iv): Pass base and step in a structure. Set no_overflow
9028 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9029 Evaluate expensiveness of computing # of iterations instead of
9030 the final expression.
9031 * tree-scalar-evolution.h (affine_iv): New structure.
9032 (simple_iv): Declaration changed.
9033 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9034 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9035 find_givs_in_stmt): Changed due to simple_iv change.
9037 2006-01-06 Jeff Law <law@redhat.com>
9040 * tree-cfg.c (bsi_replace): Rename final argument from
9041 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9042 change (stmt -> orig_stmt).
9043 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9044 (bsi_remove): Add new argument. Remove EH information
9046 (verify_eh_throw_table_statements): New function.
9047 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9049 * tree-optimize.c (execute_free_cfg_annotations): Verify
9050 the EH throw statement table after removing annotations.
9051 * except.h (verify_eh_throw_table_statements): Prototype.
9052 * tree-flow.h (bsi_remove): Update prototype.
9053 * tree-vrp.c (remove_range_assertions): Add new argument to
9055 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9056 * tree-complex.c (expand_complex_div_wide): Likewise.
9057 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9058 * tree-tailcall.c (eliminate_tailcall): Likewise.
9059 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9060 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9061 * tree-nrv.c (tree_nrv): Likewise.
9062 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9063 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9064 (combine_blocks): Likewise.
9065 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9066 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9067 (cleanup_control_flow): Likewise.
9068 (remove_forwarder_block): Likewise.
9069 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9070 * tree-sra.c (sra_replace): Likewise.
9071 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9072 (forward_propagate_single_use_vars): Likewise.
9073 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9074 * tree-inline.c (expand_call_inline): Likewise.
9075 * tree-vect-transform.c (vect_transform_loop): Likewise.
9076 * tree-outof-ssa.c (rewrite_trees): Likewise.
9077 * tree-cfg.c (make_goto_expr_edges): Likewise.
9078 (cleanup_dead_labels): Likewise.
9079 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9080 (bsi_move_before, bsi_move_after): Likewise.
9081 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9082 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9084 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9087 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9089 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9090 on non gimple variables. Also add checks at the top for decls and
9092 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9094 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9095 and IMAGPART_EXPR for creating MUST_DEFs.
9096 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9097 and NAME_MEMORY_TAG separately from the DECLs.
9099 2006-01-06 Richard Guenther <rguenther@suse.de>
9101 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9102 annotation, if necessary.
9103 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9104 redundant calls to update_stmt.
9105 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9108 2006-01-05 Richard Henderson <rth@redhat.com>
9110 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9112 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9114 * c-typeck.c: Update copyright date.
9116 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9118 * c-typeck.c (build_c_cast): Always warn when casting
9119 from a pointer to an integer of different size, even if
9120 the node was constant.
9122 2006-01-05 Richard Guenther <rguenther@suse.de>
9124 PR tree-optimization/22555
9125 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9126 if one structure field is an array.
9127 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9128 operands even if we found a subvar, but ignore VOPs in this
9130 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9132 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9134 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9137 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9139 2006-01-05 Richard Guenther <rguenther@suse.de>
9140 Diego Novillo <dnovillo@redhat.com>
9142 * tree-pass.h (TODO_remove_unused_locals): Define.
9143 * gimple-low.c (expand_var_p, remove_useless_vars,
9144 pass_remove_useless_vars): Remove. Update all users.
9145 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9146 (remove_unused_locals): New function.
9147 * tree-flow.h (remove_unused_locals): Declare.
9148 * passes.c (execute_todo): Call remove_unused_locals if
9149 TODO_remove_unused_locals is set.
9150 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9151 * tree-ssa-dce.c (pass_dce): Likewise.
9152 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9154 2006-01-05 Richard Guenther <rguenther@suse.de>
9156 * tree-flow.h (struct fieldoff): Decompose field to
9157 type, size and decl.
9158 * tree-ssa-alias.c (create_sft): Take type as parameter.
9159 (create_overlap_variables_for): Store type, size and decl
9160 in the fieldoff structure.
9161 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9163 (push_fields_onto_fieldstack): Likewise.
9164 (create_variable_info_for): Likewise. Use offset for the
9165 SFT name if the decl is not available.
9167 2006-01-04 Paul Brook <paul@codesourcery.com>
9169 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9171 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9173 * lambda-code.c (can_put_in_inner_loop): Relax
9175 (can_put_after_inner_loop): New function.
9176 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9177 (perfect_nestify): Change to make copies and modify uses.
9179 2006-01-04 Richard Henderson <rth@redhat.com>
9181 Merge from gomp branch:
9182 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9183 via integer constant.
9184 (pragma_lex): Remove.
9185 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9186 rather than parsing it.
9187 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9188 handle_pragma_extern_prefix): Add %< %> quotes.
9189 (registered_pragmas): New.
9190 (c_register_pragma_1): New.
9191 (c_register_pragma): Use it.
9192 (c_register_pragma_with_expansion): Likewise.
9193 (c_invoke_pragma_handler): New.
9194 (init_pragma): Use cpp_register_deferred_pragma directly for
9196 * c-pragma.h (enum pragma_kind): New.
9197 (pragma_handler): New.
9198 (c_invoke_pragma_handler): Declare.
9199 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9201 * c-common.h (c_common_pch_pragma): Update decl.
9202 * Makefile.in (c-parser.o): Update dependencies.
9203 (GTFILES): Add c-pragma.h.
9204 * c-parser.c (struct c_token): Add pragma_kind.
9205 (struct c_parser): Add in_pragma.
9206 (c_lex_one_token): Always initialize keyword and pragma_kind.
9207 Extract data for CPP_PRAGMA.
9208 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9209 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9210 Don't allow CPP_PRAGMA_EOL if in_pragma.
9211 (c_parser_consume_pragma): New.
9212 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9213 (c_parser_skip_to_end_of_parameter): Likewise.
9214 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9215 (c_parser_skip_to_pragma_eol): New.
9216 (c_parser_external_declaration): Handle CPP_PRAGMA.
9217 (c_parser_compound_statement_nostart): Likewise.
9218 (c_parser_statement_after_labels): Likewise.
9219 (c_parser_pragma): New.
9220 (pragma_lex): Likewise.
9221 (c_parser_pragma_pch_preprocess): New.
9222 (c_parser_new): Merge into ...
9223 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9225 2006-01-04 Jeff Law <law@redhat.com>
9228 * tree-cfg.c (bsi_replace): Remove the original statement
9229 from the EH throw statement table.
9231 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9233 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9234 make the prototype extern "C" and add throw ().
9237 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9238 and pos non-negative and pos + len <= 32.
9239 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9240 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9241 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9244 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9245 as well as sizes not multiple of component size.
9248 * function.c (instantiate_expr): New function.
9249 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9250 walk its DECL_VALUE_EXPR with instantiate_expr.
9252 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9253 DW_OP_deref{,_size} if address isn't going to be added.
9255 2006-01-04 Ben Elliston <bje@au.ibm.com>
9257 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9258 * config/fp-bit.c: Likewise.
9260 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9262 * dominance.c: Add comment about why we use DFS numbering
9265 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9266 Richard Henderson <rth@redhat.com>
9268 Merge from gomp-branch:
9269 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9270 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9272 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9274 PR rtl-optimization/25578
9275 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9276 pass a parameter to simplify_shift_const if changing ASHIFTRT
9279 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9281 * builtins.c (get_builtin_sync_mem): New function.
9282 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9283 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9284 Call get_builtin_sync_mem to generate mem rtx.
9286 2006-01-03 Richard Guenther <rguenther@suse.de>
9289 * stmt.c (add_case_node): Make sure to clear overflow flags
9292 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9294 Merge from gomp-branch.
9295 * config/sparc/sync.md: New file.
9296 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9297 UNSPECV_LDSTUB): New constants.
9298 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9299 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9300 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9303 2006-01-03 Roger Sayle <roger@eyesopen.com>
9305 * combine.c (reg_subword_p): New predicate to test whether the
9306 destination of a set refers to a subword/piece of a register.
9307 (try_combine): Generalize the code to merge the setting of a
9308 pseudo to a constant followed by a set of a subword of that
9309 register to a constant.
9311 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9313 * basic-block.h (control_flow_graph): Change the type of
9314 x_label_to_block_map to VEC(basic_block,gc) *.
9315 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9316 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9318 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9319 VEC(basic_block,heap) *.
9320 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9321 ssa_prop_fini): Adjust the uses of cfg_blocks.
9323 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9325 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9327 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9328 hashing trees instead of a pointer hash.
9329 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9330 compare for MEM_EXPR.
9332 PR rtl-optimization/25130
9333 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9334 when comparing MEMs for GCSE
9336 2006-01-03 Ben Elliston <bje@au.ibm.com>
9338 * targhooks.h (default_decimal_float_supported_p): Declare.
9339 * targhooks.c (default_decimal_float_supported_p): Define.
9340 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9341 `default_decimal_float_supported_p'.
9342 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9344 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9346 * combine.c (apply_distributive_law <SUBREG>): Check
9347 TRULY_NOOP_TRUNCATION.
9349 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9351 * dwarf2out.c (have_switched_text_section): Delete.
9352 (have_multiple_function_sections): New.
9353 (have_location_lists): Make 'bool'.
9354 (add_AT_loc_list): Use 'true' not '1'.
9355 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9356 (output_loc_list): Use have_multiple_function_sections.
9357 (output_ranges): Likewise.
9358 (dwarf2out_begin_function): Set have_multiple_function_sections if
9360 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9361 Check function_section rather than DECL_SECTION_NAME.
9362 (dwarf2out_finish): Use have_multiple_function_sections.
9363 Don't clear have_location_lists.
9365 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9366 Jan Hubicka <jh@suse.cz>
9368 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9369 case of conditional jump jumping to the next instruction.
9370 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9371 cases of conditional jump jumping to the next instruction.
9373 2006-01-02 Jan Hubicka <jh@suse.cz>
9375 * i386.c (*_cost): Add COSTS_N_INSNS.
9376 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9378 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9381 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9383 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9385 * config/arm/arm.c (all_fpus): Fix comment typo.
9386 * config/darwin.c: Likewise.
9387 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9388 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9389 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9391 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9393 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9394 (rs6000_split_compare_and_swapqhi): New.
9395 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9396 (sync_compare_and_swapqhi_internal): New.
9397 * config/rs6000/rs6000-protos.h: Declare.