1 2006-04-12 Richard Guenther <rguenther@suse.de>
3 * profile.c (compute_branch_probabilities): Remove code
4 encapsulated in !ir_type (), which are remanents of the
5 removed RTL profiling code.
6 * rtl-profile.c: Remove.
8 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11 magic NULL_RTX comment.
12 (function_arg): Store entire fp arg to mem if any part should go
14 (rs6000_arg_partial_bytes): Adjust for above change.
16 2006-04-11 Roger Sayle <roger@eyesopen.com>
18 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
19 if it hasn't been initialized by dwarf2out_init.
21 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
23 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
24 symbolic constants in branch patterns.
26 2006-04-11 Roger Sayle <roger@eyesopen.com>
28 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
30 2006-04-11 Richard Sandiford <richard@codesourcery.com>
32 PR rtl-optimization/27073
33 * gcse.c (try_replace_reg): Revert last change. Continue to search
34 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
37 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
39 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
40 aggregate types other than record and union types.
41 (function_arg): Likewise.
42 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
44 (function_value): In 64-bit mode, return objects that require it
47 2006-04-11 Roger Sayle <roger@eyesopen.com>
49 * dwarf2out.c (premark_used_types): Remove problematic prototype.
51 2006-04-11 Jakub Jelinek <jakub@redhat.com>
53 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
55 2006-04-03 Jeff Law <law@redhat.com>
58 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
59 alias information too.
61 2006-04-10 Mike Frysinger <vapier@gentoo.org>
63 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
65 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
68 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
69 (premark_used_types_helper): New.
70 (premark_used_types): New.
71 (gen_subprogram_die): Call premark_used_types.
72 (prune_unused_types_walk): Do not prune perennial dies.
73 * function.c (used_types_insert): New.
74 * function.h (struct function): Add used_types_hash field.
75 (used_types_insert): Add prototype.
76 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
77 * c-parser.c (c_parser_cast_expression): Save casted types in used
80 2006-04-11 Mark Mitchell <mark@codesourcery.com>
83 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
84 rs6000_explicit_options.float_gprs.
86 2006-04-10 Roger Sayle <roger@eyesopen.com>
88 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
89 from ix86_expand_vector_init_low_nonzero. Take an additional
90 one_var argument indicating which element is non-zero. Support
91 one_var != 0 for V4SFmode and V4SImode by permuting the result.
92 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
93 with one_var instead of ix86_expand_vector_init_low_nonzero.
95 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
97 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
98 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
99 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
100 build/genextract.o): Depend on vecprim.h.
101 * cfglayout.c, df-problems.c, function.c, genextract.c,
102 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
103 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
107 2006-04-10 Geoffrey Keating <geoffk@apple.com>
109 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
110 Declare VECs of this type.
111 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
112 (remove_children): Delete.
113 (add_dwarf_attr): Use VEC routines.
114 (add_AT_flag): Update for changes to add_dwarf_attr.
115 (add_AT_int): Likewise.
116 (add_AT_unsigned): Likewise.
117 (add_AT_long_long): Likewise.
118 (add_AT_vec): Likewise.
119 (add_AT_string): Likewise.
120 (add_AT_die_ref): Likewise.
121 (add_AT_fde_ref): Likewise.
122 (add_AT_loc): Likewise.
123 (add_AT_loc_list): Likewise.
124 (add_AT_addr): Likewise.
125 (add_AT_lbl_id): Likewise.
126 (add_AT_lineptr): Likewise.
127 (add_AT_macptr): Likewise.
128 (add_AT_offset): Likewise.
129 (add_AT_range_list): Likewise.
130 (get_AT): Use VEC_iterate.
131 (remove_AT): Use VEC_ordered_remove.
132 (free_die): Fold remove_children into here; have it use VEC_iterate.
133 (print_die): Use VEC_iterate on attrs.
134 (reverse_die_lists): Don't reverse attr lists.
135 (die_checksum): Use VEC_iterate on attrs.
136 (same_die_p): Likewise.
137 (output_location_lists): Likewise.
138 (build_abbrev_table): Likewise.
139 (size_of_die): Likewise.
140 (unmark_all_dies): Likewise.
141 (output_abbrev_section): Likewise.
142 (output_die): Likewise.
143 (prune_unused_types_walk_attribs): Likewise.
145 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
147 * doc/install.texi (*-*-solaris2*): Point to the configure page.
149 2006-04-10 Jakub Jelinek <jakub@redhat.com>
152 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
154 2006-04-09 Roger Sayle <roger@eyesopen.com>
156 * expr.c (store_constructor): Don't bother clearing target if
157 we're about to assign a vector to it using vec_init_optab.
159 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
161 * tree-ssa-alias.c (lhs_may_store_to): New function.
162 (recalculate_used_alone): Handle LHS of calls.
164 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
168 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
169 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
170 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
171 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
172 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
173 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
174 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
175 stubs. Add ".align 8" directives before all ".dword" directives.
176 (GTHREAD_USE_WEAK): Revise comment.
177 (TARGET_ATTRIBUTE_WEAK): Define.
178 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
179 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
180 * stublib.c: New file.
185 * pa.md (cbranch patterns): Revise arguments used in calls to
186 output_cbranch, output_bb and output_bvd. Add long branch length
188 (fbranch patterns): Handle long branches.
189 (jump): Revise length check. Revise arguments for output_lbranch call.
190 Add long branch length attributes.
191 (decrement_and_branch_until_zero): Add long branch length attributes.
192 (output_movb, output_parallel_addb and output_parallel_movb patterns):
193 Likewise. Revise arguments for output_parallel_addb and
194 output_parallel_movb calls.
195 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
196 output_parallel_movb and output_parallel_addb): Update prototypes.
197 * pa.c (output_cbranch): Revise arguments. Correct handling of
198 nullification in long branches.
199 (output_lbranch): Add new argument to control extraction of delay
201 (output_bb): Handle long branches.
202 (output_bvb, output_dbra, output_movb, output_parallel_movb,
203 output_parallel_addb): Likewise.
205 2006-04-09 Richard Sandiford <richard@codesourcery.com>
207 PR rtl-optimization/27073
208 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
211 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
213 * tree.h (tree_memory_tag): Add old_used_alone.
214 (SMT_OLD_USED_ALONE): New macro.
215 * tree-ssa-alias.c (recalculate_used_alone): Stop
216 marking things for renaming unnecessarily.
218 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
220 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
221 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
222 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
223 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
224 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
225 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
226 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
227 spelling convensions.
228 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
229 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
230 typos. Follow spelling conventions.
232 2006-04-07 DJ Delorie <dj@redhat.com>
234 * config/m32c/m32c.c (m32c_function_arg): Structures are always
236 (m32c_init_cumulative_args): When a function returns a structure,
237 always pass the pointer to that return area on the stack.
238 (m32c_function_arg_advance): Don't increment the parameter number
239 if we're processing the returned structure pointer.
240 (pushm_info): Reverse order of registers.
242 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
244 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
245 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
246 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
247 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
249 * tree-chrec.c (chrec_fold_multiply_poly_poly,
250 chrec_fold_multiply): Same.
251 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
252 force_expr_to_var_cost): Same.
253 * tree-mudflap.c (mf_xform_derefs_1): Same.
254 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
256 2006-04-07 David Edelsohn <edelsohn@gnu.org>
258 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
259 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
262 2006-04-07 Jan Hubicka <jh@suse.cz>
264 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
266 2006-04-07 Richard Guenther <rguenther@suse.de>
268 PR tree-optimization/26135
269 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
270 loads for store copy-prop.
271 (copy_prop_visit_stmt): Likewise.
273 2006-04-05 Robert Millan <robertmh@gnu.org>
275 * gcc/config/i386/linux.h: Add a comment to mark macros that are
276 being overriden in config/k*bsd-gnu.h.
277 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
279 * gcc/config/knetbsd-gnu.h: Ditto.
281 2006-04-06 Jan Hubicka <jh@suse.cz>
285 * coverage.c (coverage_checksum_string): Reorganize loop to not read
288 2006-04-06 Mike Stump <mrs@apple.com>
290 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
291 for HAVE_nonlocal_goto to be consistent.
292 (expand_builtin_nonlocal_goto): Likewise.
293 (expand_builtin_strcmp): Use #ifdef instead of #if
294 for HAVE_cmpstrnsi to be consistent.
296 2006-04-05 DJ Delorie <dj@redhat.com>
298 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
301 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
303 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
304 got-relative addressing for anything but SImode.
306 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
307 even if the calling function doesn't modify them.
309 2006-04-05 Richard Guenther <rguenther@suse.de>
311 PR tree-optimization/26919
312 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
313 to cgraph_estimate_size_after_inlining.
315 2006-04-05 Alan Modra <amodra@bigpond.net.au>
317 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
319 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
321 PR tree-optimization/26996
322 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
323 VECTOR_TYPE variables.
325 2006-04-05 Richard Guenther <rguenther@suse.de>
327 PR tree-optimization/26763
328 * fold-const.c (fold_comparison): Move folding of
329 PTR + CST CMP PTR + CST ...
330 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
332 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
334 * doc/install.texi (Prerequisites): Refine some wording on
335 bootstrapping and ksh.
336 Move the version numbers of DejaGnu here from the testing section
337 and fix casing of names.
338 Fix markup and clarify wording for autogen requirements.
339 Refer to GCJ instead of just java.
340 Refer to SVN instead of CVS.
341 Describe diffutils as useful instead of necessary.
342 (Downloading the source): Refer to SVN instead of CVS.
343 Adjust a link to our web site accordingly.
344 (Configuration): Fix casing of Bison.
345 (Building): Refer to SVN instead of CVS.
346 Fix a sentence on the use of Bison and remove duplicate (and
347 incorrect) version number of Bison requirement.
348 Remove one redundant list of packages needed for building.
349 (Specific): Avoid reference to CVS.
351 2006-04-04 Eric Christopher <echristo@apple.com>
353 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
354 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
355 (rs6000_handle_struct_attribute): New.
356 (rs6000_ms_bitfield_layout_p): Ditto.
358 2006-04-04 Geoffrey Keating <geoffk@apple.com>
360 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
361 NULL for dso parameter to atexit_common.
363 2006-04-04 Eric Christopher <echristo@apple.com>
365 * config/i386/i386.c (machopic_output_stub): Output \t
366 between instructions and operands.
368 2006-04-04 David Edelsohn <edelsohn@gnu.org>
370 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
371 satisfies_constraint_[IL] to explicit tests on value.
373 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
375 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
376 set_nb_iterations_in_loop): Use build_int_cst instead of
378 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
379 build_int_cst instead of convert.
381 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
383 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
384 new value 2 for incoming.
385 * function.c (expand_function_start): Call struct_value_rtx
387 * config/sparc/sparc.md: Comment updated_return.
388 * config/sparc/sparc.opt: Add -mstd-struct-return option.
389 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
390 struct return if sparc_std_struct_return and incoming is 2.
391 (print_operand): Do not adjust return if
392 sparc_std_struct_return.
394 2006-04-04 Roger Sayle <roger@eyesopen.com>
396 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
397 convert in the middle-end.
398 * expr.c (store_expr, store_constructor, get_inner_reference,
399 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
401 * tree.c (build_range_type): Likewise.
403 2006-04-04 Tom Tromey <tromey@redhat.com>
405 * doc/install.texi (Prerequisites): Mention jar.
407 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
409 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
412 2006-04-04 Matthias Klose <doko@debian.org>
414 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
416 2006-04-03 Geoffrey Keating <geoffk@apple.com>
418 * doc/extend.texi (Function Attributes): Rewrite visibility
419 attribute documentation.
420 * doc/invoke.texi (C++ Dialect Options): Rewrite
421 -fvisibility-inlines-hidden documentation to describe something
422 entirely different, although in practise compatible.
423 (Code Gen Options): Warn about system headers in -fvisibiltity=
426 * doc/extend.texi (Other Builtins): Document that
427 __builtin_nan is a compile-time constant only when its argument
430 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
432 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
433 trying to remove TRUNCATE check if all bits outside the new mode
434 are identical to the sign bit.
436 2006-04-03 Jeff Law <law@redhat.com>
438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
439 and operand scanning in some common cases.
441 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
442 Dale Johannesen <dalej@apple.com>
445 * regclass.c (struct reg_pref): Update documentation.
446 (regclass): Set prefclass to NO_REGS if memory is the best option.
447 (record_reg_classes): Cope with a prefclass set to NO_REGS.
448 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
449 into account. For non-registers, equate an empty preferred
450 reload class to a `!' in the constraint; move the if clause to
451 do so after those that reject the insn.
452 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
454 (find_dummy_reload): Likewise.
455 * doc/tm.texi (Register Classes): Document what it means
456 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
457 * config/i386/i386.c (ix86_preferred_reload_class): Force
458 using SSE registers (and return NO_REGS for floating-point
459 constants) if math is done with SSE.
460 (ix86_preferred_output_reload_class): New.
461 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
462 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
463 * config/i386/i386.md: Remove # register preferences.
465 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
468 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
469 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
471 (instantiate_parameters_1): Convert the operands before calling
472 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
473 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
475 2006-04-02 Roger Sayle <roger@eyesopen.com>
477 * builtins.c (dummy_object): Use build_int_cst instead of convert.
478 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
480 * dojump.c (do_jump): Likewise.
481 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
482 * gimplify.c (gimple_boolify, gimplify_init_constructor,
483 gimplify_boolean_expr): Likewise.
484 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
485 * varasm.c (array_size_for_constructor): Likewise.
486 * tree-object-size.c (compute_object_offset): Likewise.
488 2006-04-02 Roger Sayle <roger@eyesopen.com>
491 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
492 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
494 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
496 PR tree-optimization/26939
497 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
499 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
501 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
502 at_stmt. Convert the type of operands before calling
503 build_polynomial_chrec.
504 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
506 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
507 (instantiate_parameters_1): Convert the type of operands before calling
508 build_polynomial_chrec.
509 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
510 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
511 reset_evolution_in_loop): Insert asserts to check the types of the
513 (chrec_type): Moved...
514 (eq_evolutions_p): Use operand_equal_p.
515 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
516 the types of the operands.
517 (chrec_type): ...here.
518 * tree-data-ref.c (create_data_ref): Convert the operands before
519 calling chrec_replace_initial_condition.
520 (same_access_functions, analyze_subscript_affine_affine,
521 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
522 (compute_subscript_distance, analyze_ziv_subscript,
523 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
524 analyze_miv_subscript): Convert the operands before calling
525 chrec_fold_minus or chrec_fold_plus.
527 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
529 * tree-data-ref.c (compute_all_dependences): Use a pointer to
530 the dependence_relations vector.
531 (compute_data_dependences_for_loop): Adjust call to
532 compute_all_dependences.
534 2006-04-01 Roger Sayle <roger@eyesopen.com>
535 Richard Henderson <rth@redhat.com>
537 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
538 gimple_boolify on the condition before calling gimplify_expr.
540 2006-03-31 Bob Wilson <bob.wilson@acm.org>
542 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
543 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
544 the frame size. Update to use the new macros.
545 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
546 * config/xtensa/ieee754-df.S: Likewise.
548 2006-03-31 Richard Henderson <rth@redhat.com>
550 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
551 (make_edges): ... here. Control fallthru creation with a local
552 variable. Do not play with fake edges.
553 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
554 (make_goto_expr_edges): Don't play with fake edges. Make for_call
557 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
559 * dwarf2.h (DW64_CIE_ID): Define.
560 * dwarf2out.c (DWARF_CIE_ID): Define.
561 (output_call_frame_info): Output 0xffffffff before standard 8-byte
562 length header. Use DWARF_CIE_ID.
563 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
564 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
566 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
568 * config/sh/linux-atomic.asm: New file.
569 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
571 2006-03-31 DJ Delorie <dj@redhat.com>
573 * config/m32c/cond.md: Set condition flags properly throughout.
574 * config/m32c/minmax.md: Likewise.
575 * config/m32c/prologue.md: Likewise.
576 * config/m32c/bitops.md: Likewise.
577 * config/m32c/muldiv.md: Likewise.
578 * config/m32c/mov.md: Likewise.
579 * config/m32c/addsub.md: Likewise.
580 * config/m32c/m32c.md: Likewise.
581 * config/m32c/jump.md: Likewise.
582 * config/m32c/shift.md: Likewise.
584 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
585 conditionally output the pattern for this.
586 * config/m32c/m32c.c (flags_needed_for_conditional): New.
587 (m32c_compare_redundant): New.
588 (m32c_output_compare): New.
589 * config/m32c/m32c-protos.h (m32c_output_compare): New.
591 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
592 dest, not src. Allow other 4-byte modes.
594 2006-03-30 Denis Chertykov <denisc@overta.ru>
596 * doc/md.texi: Refer to avr/constraints.md instead of
599 2006-03-30 Roger Sayle <roger@eyesopen.com>
601 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
602 signed vs. unsigned comparison failures on some hosts.
604 2006-03-31 Alan Modra <amodra@bigpond.net.au>
607 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
608 change to FLOAT_REGS.
610 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
611 (rs6000_override_options): Use it.
612 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
613 only for -mabi=spe/no-spe and -mabi=altivec.
615 2006-03-30 Geoffrey Keating <geoffk@apple.com>
617 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
620 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
622 * Makefile.in: Rename docdir to gcc_docdir.
624 2006-03-30 Roger Sayle <roger@eyesopen.com>
627 * expr.c (emit_group_store): Optimize group stores into a pseudo
628 register by using a paradoxical subreg to initialize the destination
629 if the first or last member of the group specifies a "low part".
631 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
634 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
635 * target.h (struct gcc_target.speculate_insn): Change type of the
636 second parameter to 'int'.
637 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
638 the second operand of the DEPS_LIST.
639 (copy_DEPS_LIST_list): Update reference to the second operand of the
641 * rtl.h (alloc_DEPS_LIST): Update signature.
642 * sched-int.h (ds_t): Change typedef to 'int'.
643 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
645 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
647 * haifa-sched.c (try_ready): Change condition to restore
648 non-speculative pattern of the instruction.
649 (process_insn_depend_be_in_spec): Code to keep probability of the
650 speculative dependence non-decreasing.
652 2006-03-30 Jie Zhang <jie.zhang@analog.com>
654 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
655 (single_move_for_movmem): ... this. Also change all uses.
656 (bfin_expand_strmov): Renamed to...
657 (bfin_expand_movmem): ... this. Also change all uses.
658 * config/bfin/bfin.md (movstrsi): Renamed to...
661 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
663 PR tree-optimization/26830
665 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
666 (copy_prop_visit_stmt): Remove write-only variable ann.
667 (init_copy_prop): Check variable loop depth here. Do not simulate
668 memory-tag and virtual operand PHIs except for store copy prop.
670 2006-03-30 Richard Guenther <rguenther@suse.de>
672 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
673 variants with double arguments.
675 2006-03-29 David Edelsohn <edelsohn@gnu.org>
677 * genpreds.c (write_tm_constrs_h): Delete variable p.
678 * genconditions.c (write_header): Add tm-constrs.h to included
680 * genpeep.c (main): Add toplev.h to included headers.
681 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
682 (build/genpeep.o): Add toplev.h dependency.
683 * config/rs6000/constraints.md: Add "W" constraint.
685 2006-03-29 Roger Sayle <roger@eyesopen.com>
687 * stor-layout.c (mode_for_size_tree): Remove restiction on type
688 sizes by correctly testing whether the size fits a host integer.
689 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
690 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
691 SImode range for the default sizetype and bitsizetype.
693 2006-03-29 Roger Sayle <roger@eyesopen.com>
695 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
696 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
697 quickly if the argument is already of the correct type.
698 Call fold_build1 instead of build1. Tidy up blank lines.
700 2006-03-29 David Edelsohn <edelsohn@gnu.org>
702 * genemit.c (main): Add tm-constrs.h to included headers.
703 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
704 * genpeep.c (main): Add tm-constrs.h to included headers.
705 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
706 (write_tm_constrs_h): this and write complete file.
707 (write_tm_preds_h): Do not emit satisfies_constraint fns.
708 (write_insn_preds_c): Add tm-constrs.h to included headers.
709 (gen_constrs): New variable.
710 (parse_option): Parse "-c".
711 (main): Invoke write_tm_constrs_h.
712 * genrecog.c (write_header): Add tm-constrs.h to included headers.
713 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
714 (object_out_file): Add tm-constrs.h dependency.
716 (insn-output.o): Same.
718 (insn-preds.o): Same.
719 (insn-recog.o): Same.
720 (tm-constsr.h): New target.
721 (s-constrs-h): New target.
723 * config/rs6000/constraints.md: New file.
724 * config/rs6000/rs6000.c: Include tm-constrs.h.
725 (num_insn_constant_wide): Convert to satisfies_constraint.
726 (rs6000_rtx_costs): Convert to satisfies_constraint.
727 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
728 (CONST_OK_FOR_LETTER_P): Delete.
729 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
730 (EXTRA_CONSTRAINT): Delete.
731 (EXTRA_MEMORY_CONSTRAINT): Delete.
732 (EXTRA_ADDRESS_CONSTRAINT): Delete.
733 * config/rs6000/predicates.md: Convert to satisfies_constraint.
734 * config/rs6000/rs6000.md: Include constraints.md. Convert to
735 satisfies_constraint.
737 * config/i386/i386.c: Include tm-constrs.h.
739 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
741 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
742 * tree-data-ref.c (find_data_references_in_loop,
743 compute_data_dependences_for_loop): Use pointers to VEC.
744 (analyze_all_data_dependences): Adjust calls.
745 * tree-data-ref.h (find_data_references_in_loop,
746 compute_data_dependences_for_loop): Adjust declarations.
747 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
748 compute_data_dependences_for_loop.
750 2006-03-29 Paul Brook <paul@codesourcery.com>
752 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
755 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
757 PR tree-optimization/26859
758 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
760 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
761 for the step after fold_convert.
763 2006-03-29 Paul Brook <paul@codesourcery.com>
765 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
766 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
768 2006-03-29 Paul Brook <paul@codesourcery.com>
771 * targhooks.c (default_narrow_bitfield): New fuction.
772 * targhooks.h (default_narrow_bitfield): add prototype.
773 * target.h (gcc_target): Add narrow_volatile_bitfield.
774 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
775 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
776 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
777 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
779 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
781 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
783 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
784 (NR_C_MODES): Add TDmode, DDmode and SDmode.
785 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
786 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
787 (s390_function_arg_float): Allow SDmode and DDmode values to be
788 passed in floating point registers.
789 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
790 check with SCALAR_FLOAT_MODE_P.
791 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
793 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
795 PR tree-optimization/25985
796 * tree-ssa-loop-niter.c (number_of_iterations_le,
797 number_of_iterations_ne): Make comments more precise.
798 (number_of_iterations_cond): Add only_exit argument. Use the
799 fact that signed variables do not overflow only when only_exit
801 (loop_only_exit_p): New.
802 (number_of_iterations_exit): Pass result of loop_only_exit_p to
803 number_of_iterations_cond.
805 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
807 PR tree-optimization/26643
808 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
811 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
813 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
814 (divsi3_i4_int): Likewise.
816 2006-03-28 Roger Sayle <roger@eyesopen.com>
818 * expr.c (emit_group_store): Only create a new pseudo reg if the
819 quantity it needs to hold isn't already a suitable pseudo.
821 2006-03-28 Jeff Law <law@redhat.com>
823 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
824 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
826 2006-03-28 Roger Sayle <roger@eyesopen.com>
828 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
829 the equivalent ~X & Y, and the symmetry related transformations.
830 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
831 ~X & Y, and symmetry related transforms.
833 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
835 Revert my 2006-03-27 patches.
837 2006-03-28 Roger Sayle <roger@eyesopen.com>
839 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
840 ~(T1)X, when T1 and T2 are integer types of the same precision
841 and (T2)X isn't an extension.
843 2006-03-28 Jeff Law <law@redhat.com>
845 PR tree-optimization/26796
846 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
847 need EH edge cleanups rather than purging them immediately.
848 (eliminate_degenerate_phis): Handle queued EH cleanups.
850 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
852 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
855 2006-03-27 Roger Sayle <roger@eyesopen.com>
858 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
859 cast BIT_NOT_EXPR operand to the correct type.
861 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
863 * tree-loop-linear.c: Don't include varray.h.
864 (gather_interchange_stats, try_interchange_loops,
865 linear_transform_loops): Use VEC instead of VARRAY.
866 * lambda-mat.c: Don't include varray.h.
867 * tree-chrec.c: Same.
868 * lambda-trans.c: Same.
869 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
870 VEC instead of VARRAY.
871 * tree-vectorizer.h: Idem.
872 * tree-data-ref.c (dump_data_references,
873 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
874 initialize_data_dependence_relation, finalize_ddr_dependent,
875 compute_all_dependences, find_data_references_in_loop,
876 compute_data_dependences_for_loop, analyze_all_data_dependences,
877 free_dependence_relation, free_dependence_relations,
878 free_data_refs): Idem.
879 * tree-data-ref.h (data_reference_p, subscript_p): New.
880 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
881 VEC instead of VARRAY.
882 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
883 (find_data_references_in_loop, compute_data_dependences_for_loop,
884 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
885 dump_data_dependence_relations, free_dependence_relations,
886 free_data_refs): Adjust declaration.
887 (lambda_transform_legal_p): Move declaration here...
888 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
889 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
890 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
891 vect_analyze_data_refs): Use VEC instead of VARRAY.
892 * lambda.h (lambda_transform_legal_p): ...from here.
893 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
894 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
895 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
896 tree-chrec.o): Don't depend on VARRAY_H.
898 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
900 * rtl.def (Copyright): Update date.
901 (DEPS_LIST): Change type of the second operand to 'int'.
902 * target.h (Copyright): Update date.
903 (struct gcc_target.speculate_insn): Change type of the second parameter
905 * lists.c (Copyright): Update date.
906 (alloc_DEPS_LIST): Change signature. Update reference to the second
907 operand of the DEPS_LIST.
908 (copy_DEPS_LIST_list): Update reference to the second operand of the
910 * rtl.h (Copyright): Update date.
911 (alloc_DEPS_LIST): Update signature.
912 * sched-int.h (Copyright): Update date.
913 (ds_t): Change typedef to 'int'.
914 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
916 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
918 * haifa-sched.c (Copyright): Update date.
919 (try_ready): Change condition to restore non-speculative pattern
921 (process_insn_depend_be_in_spec): Code to keep probability of the
922 speculative dependence non-decreasing.
924 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
926 * regrename.c (replace_oldest_value_addr): Initialize a variable to
927 shut up the compiler.
929 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
931 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
932 to use lib prefix for target.
933 ($(T)libic_invalidate_array_4-200.a): Likewise.
934 ($(T)libic_invalidate_array_4a.a): Likewise.
936 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
937 J"orn Rennecke <joern.rennecke@st.com>
939 * superh.opt: New file.
940 * sh.c (boardtype, osruntime): Remove.
941 * superh.h (SUBTARGET_OPTIONS): Remove.
942 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
944 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
945 arguments with ^ and/or [].
947 * config.gcc (sh-*-*): Add quoting to account for quirk of
949 Replace == with = in enable_incomplete_targets test.
951 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
952 with MASK_LITTLE_ENDIAN.
954 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
955 * config/sh/sh.opt: Added to some comments.
956 * config/sh/superh.h: Removed some chaff.
958 * config/sh/sh.opt: Add m4-[1234]00* options.
959 * config/sh/sh.c (sh_handle_option): Likewise.
960 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
961 (ic_invalidate_array_4-100.o): New rule.
962 ($(T)libic_invalidate_array_4-100.a): Likewise.
963 (ic_invalidate_array_4-200.o): Likewise.
964 ($(T)libic_invalidate_array_4-200.a): Likewise.
965 (ic_invalidate_array_4a.o): Likewise.
966 ($(T)libic_invalidate_array_4a.a): Likewise.
967 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
968 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
970 * config/sh/crt1.asm: Merged in profiling code.
971 * config/sh/superh.h (STARTFILE_SPEC): Override.
972 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
973 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
974 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
976 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
977 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
978 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
980 * sh.opt (mpretend-cmove): New option.
981 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
982 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
983 (movsicc): Add TARGET_PRETEND_CMOVE code.
985 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
987 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
988 s390_class_max_nregs): New function prototypes.
989 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
990 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
991 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
992 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
994 2006-03-26 Geoffrey Keating <geoffk@apple.com>
996 * dwarf2out.c (add_location_or_const_value_attribute): Call
997 tree_add_const_value_attribute if nothing else works.
998 (reference_to_unused): New.
999 (rtl_for_decl_init): Use reference_to_unused to decide whether
1000 to output an initializer.
1002 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1005 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1006 peephole removing spe frob_di_df_2.
1008 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1010 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1011 (subscript_dependence_tester_1): Declared.
1012 (print_dir_vectors, print_dist_vectors): New.
1013 (debug_data_dependence_relation): New.
1014 (dump_data_dependence_relation): Print more details.
1015 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1016 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1017 (save_dist_v, save_dir_v, add_outer_distances,
1018 build_classic_dist_vector_1): New.
1019 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1020 Don't test for lambda_vector_lexico_pos.
1021 (same_access_functions, add_multivariate_self_dist,
1022 add_other_self_distances, dir_from_dist): New.
1023 (build_classic_dir_vector): Replace implementation almost identical to
1024 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1026 (subscript_dependence_tester_1): New.
1027 (subscript_dependence_tester): Handle the lexicographically negative
1028 distance vectors by recomputing the dependence relation.
1029 (compute_affine_dependence): Remove parameter loop_nest_depth.
1030 (compute_self_dependence): Don't call compute_subscript_distance.
1031 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1032 Add a parameter for the loop_nest.
1033 (find_loop_nest_1, find_loop_nest): New.
1034 (compute_data_dependences_for_loop): Compute the loop nest, and give
1035 up if the nest is not well formed.
1036 * tree-data-ref.h (loop_p): New.
1037 (struct data_dependence_relation): Replace size_vect field with
1038 loop_nest, a vec of loops.
1039 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1040 (DDR_LOOP_NEST): New.
1041 (print_dir_vectors, print_dist_vectors,
1042 debug_data_dependence_relation): Declared.
1043 (index_in_loop_nest): New.
1044 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1045 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1048 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1050 * simplify-rtx.c (simplify_relational_operation): Call
1051 simplify_relational_operation_1 even if mode is VOIDmode.
1053 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1055 PR tree-optimization/26804
1056 * tree.h (DECL_CALL_CLOBBERED): New macro.
1057 (tree_decl_common): Add call_clobbered_flag.
1058 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1059 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1060 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1061 (mark_non_addressable): Ditto.
1062 * tree-ssa.c (verify_call_clobbered): New function.
1063 (verify_alias_info): Use it.
1064 * tree-pass.h (pass_reset_cc_flags): New prototype.
1065 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1066 (reset_cc_flags): New function.
1067 * passes.c (init_optimization_passes): Call reset_cc_flags after
1068 initializing referenced_vars.
1070 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1071 Roger Sayle <roger@eyesopen.com>
1074 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1075 to 1.0 for non-real operands. Implement A / A optimization for
1078 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1080 * config/i386/i386.c (size_cost): Correct the comment for
1081 cost of storing fp registers.
1082 (i386_cost): Likewise.
1083 (i486_cost): Likewise.
1084 (pentium_cost): Likewise.
1085 (pentiumpro_cost): Likewise.
1086 (k6_cost): Likewise.
1087 (athlon_cost): Likewise.
1088 (k8_cost): Likewise.
1089 (pentium4_cost): Likewise.
1090 (nocona_cost): Likewise.
1091 (generic64_cost): Likewise.
1092 (generic32_cost): Likewise.
1094 2006-03-24 Denis Chertykov <denisc@overta.ru>
1096 * config/avr/avr-protos.h (extra_constraint): Delete.
1097 (extra_constraint_Q): New declaration.
1098 * config/avr/constraints.md: New file.
1099 * config/avr/avr.md: Include it.
1100 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1101 (TMP_REGNO, ZERO_REGNO): Likewise.
1102 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1103 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1104 (extra_constraint): Delete.
1105 (extra_constraint_Q): Test for memory constraint 'Q'.
1106 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1107 (REG_CLASS_FROM_LETTER): Delete.
1108 (CONST_OK_FOR_LETTER_P): Delete.
1109 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1110 (EXTRA_CONSTRAINT): Delete.
1111 (TMP_REGNO): Delete.
1112 (ZERO_REGNO): Delete.
1114 2006-03-24 Jeff Law <law@redhat.com>
1116 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1117 directly. Call mark_new_vars_to_rename slightly earlier.
1119 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1121 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1123 (gen_compile_unit_die): Use new language types for Objective-C and
1125 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1126 DW_LANG_C_plus_plus.
1129 * config/t-darwin (crt3.o): Work around bug 26840.
1130 * config/darwin-crt3.c: Rewrite.
1131 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1133 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1135 * doc/invoke.texi: Document -femit-class-debug-always
1136 * common.opt: Add -femit-class-debug-always.
1138 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1140 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1141 index and base register.
1142 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1143 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1144 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1145 REGNO_OK_FOR_INDEX_P.
1146 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1148 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1149 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1150 REG_OK_FOR_BASE_P): Definitions removed.
1152 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1155 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1156 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1157 set yet or weren't marked as local yet.
1159 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1161 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1164 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1166 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1167 (rs6000_legitimate_small_data_p): Delete.
1168 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1169 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1170 and make static. Add forward declaration. Update uses.
1171 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1172 of offsettable_memref_p.
1173 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1174 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1176 2006-03-24 Jeff Law <law@redhat.com>
1178 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1179 around bug in immediate-use iterator.
1181 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1184 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1185 or __LITTLE_ENDIAN__.
1187 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1189 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1190 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1191 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1192 * config/sh/sh.opt (mdiv=): Amend description.
1193 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1194 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1195 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1196 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1197 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1198 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1199 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1200 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1201 TARGET_DIVIDE_CALL_FP.
1203 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1205 * haifa-sched.c (choose_ready): Fix type of the local variable.
1206 Move local variables. Add comment.
1207 (check_reg_live): Change signature. Make callable from debugger.
1208 * sched-int.h (check_reg_live): Update signature.
1209 * sched-ebb.c (check_reg_live): Update parameters.
1210 * sched-rgn.c (check_reg_live): Ditto.
1211 (region_head_or_leaf_p): Check pointer before dereferencing.
1212 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1213 before reload on optimization levels below 1.
1215 2006-03-23 Richard Henderson <rth@redhat.com>
1217 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1221 * config/alpha/predicates.md (local_symbolic_operand): Reject
1224 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1227 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1228 expressions which have overflowed constants.
1230 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1232 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1234 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1236 * cfgloopmanip.c (create_loop_notes): Removed.
1237 * final.c (final_scan_insn): Do not handle loop notes.
1238 * jump.c (squeeze_notes): Ditto.
1239 * cfglayout.c (skip_insns_after_block,
1240 duplicate_insn_chain): Ditto.
1241 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1243 * cfgloop.h (create_loop_notes): Declaration removed.
1245 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1247 * varasm.c (output_constant_pool): Restore fnname and fndecl
1249 (assemble_start_function): Adjust call accordingly.
1250 (assemble_end_function): Likewise.
1252 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1255 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1258 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1260 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1263 * system.h (ICE_EXIT_CODE): New macro.
1264 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1265 (diagnostic_action_after_output): Likewise.
1266 * gcc.c (fatal_ice): New function.
1267 (execute): Use it instead of fatal.
1268 (fancy_abort): Likewise.
1269 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1271 2006-03-22 Jeff Law <law@redhat.com>
1273 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1274 iv_analyze_result returning false.
1276 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1278 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1280 2006-03-22 Richard Henderson <rth@redhat.com>
1283 * except.c (duplicate_eh_regions_0): New.
1284 (duplicate_eh_region_1): Duplicate the children of the node as
1285 well as the node itself. Link them up properly.
1286 (duplicate_eh_region_2): Merge into ...
1287 (duplicate_eh_regions): ... here. Take copy_region argument, and
1288 copy only a sub-tree if asked. Simplify copying and fixup.
1289 (eh_region_outer_p): New.
1290 * except.h (duplicate_eh_regions): Update decl.
1291 (eh_region_outer_p): Declare.
1292 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1293 (lower_omp_master): Likewise.
1294 (lower_omp_ordered): Likewise.
1295 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1296 (move_stmt_r): Use it to remap labels. Handle recursion vs
1297 remap_decls_p properly.
1298 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1299 (find_outermost_region_in_block): New.
1300 (new_label_mapper): New.
1301 (move_sese_region_to_fn): Copy eh information to the new function
1303 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1305 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1308 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1310 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1311 into shared libraries.
1313 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1315 * doc/md.texi: Refer to i386/constraints.md instead of
1317 * config/i386/constraints.md: New file, extracted from...
1318 * config/i386/predicates.md: ...here.
1319 * config/i386/i386.md: Include constraints.md.
1321 2006-03-21 Jason Merrill <jason@redhat.com>
1323 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1326 * expr.c (init_block_move_fn): Force default visibility.
1327 (init_block_clear_fn): Likewise.
1328 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1329 * targhooks.c (default_external_stack_protect_fail): Likewise.
1331 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1333 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1334 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1335 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1336 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1337 (loadgp): Use mips_current_loadgp_style.
1338 (loadgp_noshared): New pattern.
1339 (sibcall_internal): Use MIPS_CALL.
1340 (sibcall_value_internal): Likewise.
1341 (sibcall_value_multiple_internal): Likewise.
1342 (call_internal): Likewise.
1343 (call_value_internal): Likewise.
1344 (call_value_multiple_internal): Likewise.
1345 (call_split): Use MIPS_CALL and add an 'S' constraint.
1346 (call_value_split): Likewise.
1347 (call_value_multiple_split): Likewise.
1348 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1349 (-mshared): New option.
1350 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1351 (mips_current_loadgp_style): Declare.
1352 * config/mips/mips.c (mips_classify_symbol): Avoid using
1353 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1354 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1355 TARGET_ABSOLUTE_ABICALLS.
1356 (override_options): Adjust comments. Improve the warning that is
1357 issued when -mabicalls and -G are used together.
1358 (mips_file_start): Remove comment.
1359 (mips_current_loadgp_style): New function.
1360 (mips_gnu_local_gp): New variable.
1361 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1363 (mips_output_function_prologue): Use mips_current_laodgp_style.
1364 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1365 the cprestore instruction.
1366 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1367 live for TARGET_ABSOLUTE_ABICALLS.
1368 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1369 (ASM_SPEC): Pass down -mshared and -mno-shared.
1370 (MIPS_CALL): New macro.
1371 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1373 * doc/invoke.texi (-mabicalls): Update documentation.
1374 (-mshared): Document.
1376 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1378 * config/ia64/unwind-hpux.c: New file.
1379 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1381 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1384 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1386 2006-03-21 Jeff Law <law@redhat.com>
1388 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1389 type conversions of a VR_VARYING source to a wider type.
1391 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1393 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1394 tm_file on Solaris 10 and later.
1395 (sparc64-*-solaris2*): Likewise.
1396 (sparc-*-solaris2*): Likewise.
1397 * config/sol26.h: Rename to config/sol2-6.h.
1398 * config/sol2-10.h: New file.
1400 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1403 * tree-ssa-pre.c (create_component_ref_by_pieces):
1406 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1409 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1410 return it immediately.
1412 2006-03-21 Michael Matz <matz@suse.de>
1414 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1416 (remove_arc, add_arc): Update num_out_arcs member.
1417 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1419 (cache_presence): New function.
1420 (compare_states_for_equiv): New function.
1421 (state_is_differed): Don't take number of outargs, adjust callers.
1422 Use new invariant for speeding up.
1423 (init_equiv_class): Create initial classes based on sorted
1425 (partition_equiv_class): Don't track out_arcs_num.
1426 (evaluate_equiv_classes): Call cache_presence on all states and
1429 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1431 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1432 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1433 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1434 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1436 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1437 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1438 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1439 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1440 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1442 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1443 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1444 (REGNO_REG_CLASS): ARGP is in PREGS.
1445 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1447 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1448 to deal with those addresses.
1449 * addresses.h: New file.
1450 * caller-save.c: Include "addresses.h".
1451 (init_caller_save): Use new base_reg_class function.
1452 * rtl-factoring.c: Include "addresses.h".
1453 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1454 * recog.c: Include "addresses.h".
1455 (preprocess_constraints): Use new base_reg_class function.
1456 * regrename.c: Include "addresses.h".
1457 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1458 functions. Keep track of a new var INDEX_CODE to compute valid
1460 (replace_oldest_value_addr): Likewise.
1461 (replace_oldest_value_mem): Use base_reg_class.
1462 * reload.c: Include "addresses.h".
1463 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1464 (find_reloads): Use new base_reg_class function.
1465 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1466 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1467 all callers and prototype changed.
1468 * reload1.c: Include "addresses.h".
1469 (maybe_fix_stack_asms): Use base_reg_class.
1470 * regclass.c: Include "addresses.h".
1471 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1472 (init_reg_autoinc): Use new base_reg_class function.
1473 (record_reg_classes): Likewise.
1474 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1475 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1476 Use new args to compute necessary class.
1478 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1479 regrename.o, rtl-factoring.o): Update dependencies.
1480 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1481 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1482 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1483 REG_OK_FOR_INDEX_P): Delete documentation.
1485 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1487 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1488 from V7 to V9 for Solaris 7 and above.
1490 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1492 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1493 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1494 argument pointers may not alias any other storage.
1495 * common.opt: Define option -fargument-noalias-anything.
1496 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1497 alias semantics is specified by flag_argument_noalias > 2.
1499 2006-03-20 Jeff Law <law@redhat.com>
1501 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1502 (pass_phi_only_cprop): Declare.
1503 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1505 * tree-ssa-dom.c (degenerate_phi_result): New function.
1506 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1507 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1508 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1509 (eliminate_degenerate_phis): Likewise.
1510 (pass_phi_only_cprop): New pass descriptor.
1511 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1512 support code. Callers updated.
1513 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1514 (store_copy_prop): Likewise.
1515 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1517 2006-03-20 Jason Merrill <jason@redhat.com>
1520 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1521 (push_visibility, pop_visibility): Likewise.
1522 * c-pragma.h: Declare them.
1524 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1526 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1528 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1529 parameter and use get_ebb_head_tail.
1530 (sh_md_init_global): Adjust uses of find_regmode_weight.
1532 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1534 * function.h (struct function) <x_tail_recursion_reentry>:
1535 Rename to x_stack_check_probe_note.
1536 (tail_recursion_reentry): Rename to stack_check_probe_note.
1537 * function.c: Replace tail_recursion_reentry with
1538 stack_check_probe_note everywhere.
1539 (expand_function_start): Only emit a note for
1540 stack_check_probe_note with -fstack-protect.
1541 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1543 * emit-rtl.c (remove_unnecessary_notes): Remove.
1544 (pass_remove_unnecessary_notes): Remove.
1545 * rtl.h (remove_unnecessary_notes): Remove prototype.
1546 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1547 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1548 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1550 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1553 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1554 (valid_in_set): Handle ARRAY_REF.
1555 Change "if min_variant or VH" to asserts.
1556 (create_component_ref_by_pieces): Handle ARRAY_REF.
1557 (create_expression_by_pieces): Likewise.
1558 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1560 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1562 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1563 is operand of switch, not str[0].
1565 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1567 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1568 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1570 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1572 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1573 end of insn_extra_address_constraint declaration.
1575 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1577 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1578 (no-sum-in-toc): Same.
1579 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1581 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1582 NO_FP_IN_TOC for -fPIC instead of mask.
1584 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1585 (BOOT_LDFLAGS): Delete.
1587 * config/rs6000/t-aix52: Same.
1589 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1590 (stmsi[345678]_power): New.
1592 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1594 * config/ia64/ia64.opt: Add empty line to end of file.
1596 2006-03-17 Richard Guenther <rguenther@suse.de>
1599 * builtins.c (get_pointer_alignment): For component style references
1600 adjust alignment to the component type alignment. Make sure
1601 to adjust alignment for component access of constants.
1603 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1605 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1608 2006-03-17 Paul Brook <paul@codesourcery.com>
1610 * doc/install.texi: Docuemnt --with-mode.
1611 * config.gcc: Add --with-mode for arm*-*-*.
1612 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1614 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1616 * sh.c (max_labelno_before_reorg): New variable.
1617 (sh_reorg): Initialize it.
1618 (find_barrier): Check max_labelno_before_reorg before using
1619 label_to_alignment. Take length of explicit alignment insns
1620 into account. When seeing a UNSPECV_CONST_END, return it.
1622 * sh.c (fixup_mova): Set mode of affected label to QImode.
1623 (untangle_mova): New function.
1624 (find_barrier): Use it. Check mode of label before decrementing
1626 (sh_reorg): Likewise.
1627 Set mode of all insns back to VOIDmode.
1629 * sh.c (MOVA_LABELREF): New macro.
1630 (mova_p, fixup_mova, sh_reorg): Use it.
1631 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1632 ADDR_DIFF_VEC matches mova.
1634 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1636 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1637 with ATTRIBUTE_UNUSED.
1639 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1641 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1642 pointer, instead of assuming it is possible to derive the
1643 correct args size from a call insn.
1645 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1647 * rtl.h (CONST_INT_P): Define.
1648 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1649 instead of GET_CODE(x) == CONST_INT.
1650 (vax_rtx_costs): Likewise.
1651 (vax_output_int_move): Likewise.
1652 (vax_output_int_add): Likewise.
1653 (legitimate_constant_address_p): Likewise.
1654 (index_term_p): Likewise.
1655 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1656 * config/vax/vax.md (and<mode>3): Likewise.
1657 (ashrsi3): Likewise.
1659 (movstricthi): Likewise.
1660 (movstrictqi): Likewise.
1661 (rotrsi3): Likewise.
1662 (five unnamed insns): Likewise.
1664 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1666 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1667 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1668 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1669 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1670 Pass to ASM_OUTPUT_DWARF_OFFSET.
1671 * dwarf2out.c (debug_frame_section): New.
1672 (output_call_frame_info): Use debug_frame_section. Pass it to
1673 dw2_asm_output_offset.
1674 (output_die): Pass appropriate section to dw2_asm_output_offset.
1675 (output_compilation_unit_header): Likewise.
1676 (output_pubnames): Likewise.
1677 (output_aranges): Likewise.
1678 (enum dw_val_class): Break dw_val_class_lbl_offset into
1679 dw_val_class_lineptr and dw_val_class_macptr.
1680 (add_AT_lbl_offset): Delete.
1681 (add_AT_lineptr): New.
1682 (add_AT_macptr): New.
1683 (AT_lbl): Expect a lineptr or macptr.
1684 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1685 (attr_checksum): Likewise.
1686 (same_dw_val_p): Likewise.
1687 (size_of_die): Likewise.
1688 (value_format): Likewise.
1689 (output_die): Likewise.
1690 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1692 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1693 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1694 * config/darwin-protos.h (darwin_file_start): New.
1695 (darwin_asm_output_dwarf_offset): New.
1696 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1697 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1699 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1700 if not EH section; simplify.
1701 (darwin_file_start): New.
1702 (darwin_asm_output_dwarf_offset): New.
1703 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1705 (DEBUG_INFO_SECTION): Likewise.
1706 (DEBUG_ABBREV_SECTION): Likewise.
1707 (DEBUG_ARANGES_SECTION): Likewise.
1708 (DEBUG_MACINFO_SECTION): Likewise.
1709 (DEBUG_LINE_SECTION): Likewise.
1710 (DEBUG_LOC_SECTION): Likewise.
1711 (DEBUG_PUBNAMES_SECTION): Likewise.
1712 (DEBUG_STR_SECTION): Likewise.
1713 (DEBUG_RANGES_SECTION): Likewise.
1714 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1715 (ASM_OUTPUT_DWARF_OFFSET): New.
1717 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1719 * config.gcc (tm_defines): Always add to previous value rather
1722 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1724 * config/mips/predicates.md (splittable_const_int_operand): New,
1725 split from move_operand.
1726 (splittable_symbolic_operand): New.
1727 (move_operand): Add commentary. Use splittable_const_int_operand.
1728 Inline mips_atomic_symbolic_constant_p.
1729 * config/mips/mips.md: Add combine splitters for handling moves
1730 of splittable_const_int_operands and splittable_symbolic_operands.
1731 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1732 (mips_split_symbol): Declare.
1733 (mips_move_integer): Declare.
1734 * config/mips/mips.c (mips_split_p): Make global.
1735 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1736 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1737 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1738 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1739 (mips_offset_within_object_p): Handle block symbols.
1740 (mips_atomic_symbolic_constant_p): Delete.
1741 (mips_cannot_force_const_mem): Return false for constants that
1742 mips_legitimize_move can handle.
1743 (mips_use_blocks_for_constant_p): New function.
1744 (mips_split_symbol): Make global.
1745 (mips_move_integer): Likewise. Add a temporary register argument.
1746 (mips_legitimize_const_move): Use splittable_const_int_operand and
1747 splittable_symbolic_operand.
1748 (mips_use_anchors_for_symbol_p): New function.
1749 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1750 (mips_split_p): Declare.
1752 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1754 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1755 (mips*-*-linux*): Likewise.
1757 2006-03-16 Roger Sayle <roger@eyesopen.com>
1758 Daniel Speyer <dspeyer@wam.umd.edu>
1761 * tree-dump.c (dump_real): New function.
1762 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1763 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1764 (tree-dump.o): Add $(REAL_H) to the dependencies.
1766 2006-03-16 Roger Sayle <roger@eyesopen.com>
1769 * real.c (real_from_string): If the mantissa is zero, don't bother
1770 parsing the exponent as the result should always be zero.
1772 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1774 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1778 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1779 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1780 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1781 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1782 ia64_sched_finish_global): New static functions to implement
1783 hooks from gcc_target.sched.
1784 (spec_check_no, max_uid, pending_data_specs): New static variables.
1785 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1786 ia64_spec_check_src_p): New static functions.
1787 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1788 (TARGET_SCHED_ADJUST_COST): Removed.
1789 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1790 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1791 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1792 TARGET_SCHED_GEN_CHECK,
1793 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1794 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1795 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1796 Fixed to handle speculation checks.
1797 (rtx_needs_barrier): Fixed to handle speculative loads and
1799 (ia64_variable_issue): Added code to count speculative loads and their
1801 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1803 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1805 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1807 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1808 (ia64_reorg): Reset stops_p to NULL after it is freed.
1809 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1810 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1811 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1813 (data_speculative, control_speculative, check_load): New attributes.
1814 (mov<mode>_advanced, mov<mode>_speculative,
1815 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1816 zero_extend<mode>di2_speculative,
1817 zero_extend<mode>di2_speculative_advanced): New patterns for
1818 data and control speculative loads.
1819 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1821 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1822 New pattern for data and control speculation checks.
1823 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1824 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1825 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1826 Auxiliary definitions for the patterns.
1827 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1828 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1830 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1832 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1833 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1834 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1835 New resource constraints.
1836 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1838 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1839 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1840 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1841 msched-in-control-spec, msched-ldc, msched-control-ldc,
1842 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1843 msched-prefer-non-control-spec-insns,
1844 msched-count-spec-in-critical-path): New flags to tune speculative
1846 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1847 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1848 msched-in-control-spec, msched-ldc, msched-control-ldc,
1849 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1850 msched-prefer-non-control-spec-insns,
1851 msched-count-spec-in-critical-path): Document new flags.
1853 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1855 * target.h (struct spec_info_def): New opaque declaration.
1856 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1857 speculate_insn, needs_block_p, gen_check,
1858 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1859 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1860 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1861 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1862 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1863 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1865 (TARGET_SCHED): Use new macros.
1866 * rtl.h (copy_DEPS_LIST_list): New prototype.
1867 * sched-int.h (struct sched_info): Change signature of new_ready field,
1868 adjust all initializations. New fields: add_remove_insn,
1869 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1870 region_head_or_leaf_p.
1871 (struct spec_info_def): New structure declaration.
1872 (spec_info_t): New typedef.
1873 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1874 recovery_block, orig_pat.
1875 (glat_start, glat_end): New variables declaraions.
1876 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1878 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1879 DETACH_LIFE_INFO, USE_GLAT.
1880 (enum SPEC_SCHED_FLAGS): New enumeration.
1881 (NOTE_NOTE_BB_P): New macro.
1882 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1883 attach_life_info, debug_spec_status, check_reg_live): New functions.
1884 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1885 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1887 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1888 * ddg.c (get_block_head_tail): Adjust all uses.
1889 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1890 (sms_sched_info): Initialize new fields.
1891 (contributes_to_priority): Removed.
1892 * haifa-sched.c (params.h): New include.
1893 (get_block_head_tail): Adjust all uses.
1894 (ISSUE_POINTS): New macro.
1895 (glat_start, glat_end): New global variables.
1896 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1897 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1898 old_last_basic_block, before_recovery, current_sched_info_var,
1899 rgn_n_insns, luid): New static variables.
1900 (insn_cost1): New function. Move logic from insn_cost to here.
1901 (find_insn_reg_weight1): New function. Move logic from
1902 find_insn_reg_weight to here.
1903 (reemit_notes, move_insn, max_issue): Change signature.
1904 (move_insn1): Removed.
1905 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1906 extend_bb): New static functions to support extension of scheduler's
1908 (generate_recovery_code, process_insn_depend_be_in_spec,
1909 begin_speculative_block, add_to_speculative_block,
1910 init_before_recovery, create_recovery_block, create_check_block_twin,
1911 fix_recovery_deps): New static functions to support
1912 generation of recovery code.
1913 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1914 restore_bb_notes, move_block_after_check, move_succs): New static
1915 functions to support ebb scheduling.
1916 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1917 functions to support handling of register live information.
1918 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1919 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1920 add_jump_dependencies): New static functions.
1921 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1922 consistancy checking.
1923 (debug_spec_status): New function to call from debugger.
1924 (priority): Added code to handle speculation checks.
1925 (rank_for_schedule): Added code to distinguish speculative instructions.
1926 (schedule_insn): Added code to handle speculation checks.
1927 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1928 Fixed to handle ebbs.
1929 (move_insn): Added code to handle ebb scheduling.
1930 (max_issue): Added code to use ISSUE_POINTS of instructions.
1931 (choose_ready): Added code to choose between speculative and
1932 non-speculative instructions.
1933 (schedule_block): Added code to handle ebb scheduling and scheduling of
1934 speculative instructions.
1935 (sched_init): Initialize new variables.
1936 (sched_finish): Free new variables. Print statistics.
1937 (try_ready): Added code to handle speculative instructions.
1938 * lists.c (copy_DEPS_LIST_list): New function.
1939 * sched-deps.c (extend_dependency_caches): New function. Move logic
1940 from create_dependency_caches to here.
1941 (get_dep_weak, ds_merge): Make global.
1942 * genattr.c (main): Code to output prototype for
1943 dfa_clear_single_insn_cache.
1944 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1945 (output_dfa_clean_insn_cache_func): Code to output
1946 dfa_clear_single_insn_cache function.
1947 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1949 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1951 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1952 New static variables.
1953 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1954 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1956 (ebb_sched_info): Initialize new fields.
1957 (get_block_head_tail): Adjust all uses.
1958 (compute_jump_reg_dependencies): Fixed to use glat_start.
1959 (schedule_ebb): Code to remove unreachable last block.
1960 (schedule_ebbs): Added code to update register live information.
1961 * sched-rgn.c (region_sched_info): Initialize new fields.
1962 (get_block_head_tail): Adjust all uses.
1963 (last_was_jump): Removed. Adjust users.
1964 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1965 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1966 Implement new hooks.
1967 (check_dead_notes1): New static function.
1968 (struct region): New fields: dont_calc_deps, has_real_ebb.
1969 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1970 (BB_TO_BLOCK): Fixed to handle EBBs.
1971 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1972 (ebb_head): New static variable.
1973 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1974 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1976 (compute_dom_prob_ps): New assertion.
1977 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1978 global_live_at_start.
1979 (init_ready_list): New assertions.
1980 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1981 (new_ready): Add support for BEGIN_CONTROL speculation.
1982 (schedule_insns): Fixed code that updates register live information
1984 (schedule_region): Fixed to handle EBBs.
1985 (init_regions): Use extend_regions and check_dead_notes1.
1986 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1987 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1988 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1989 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1990 TARGET_SCHED_GEN_CHECK,
1991 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1992 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1993 * doc/invoke.texi (max-sched-insn-conflict-delay,
1994 sched-spec-prob-cutoff): Document.
1996 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1998 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1999 inter_tick, queue_index.
2000 (struct sched_info): Change signature of init_ready_list field.
2001 Adjust all initializations.
2002 (RESOLVED_DEPS): New access macro.
2003 (ready_add): Remove prototype.
2004 (try_ready): Add prototype.
2005 * sched-rgn.c (init_ready_list): Use try_ready.
2006 (schedule_region): Initialize
2007 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2008 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2009 (init_ready_list): Use try_ready.
2010 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2011 * lists.c (remove_list_elem): Remove `static'.
2012 (remove_free_INSN_LIST_elem): New function.
2013 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2014 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2015 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2017 (readyp): New variable.
2018 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2019 change_queue_index, resolve_dep): New static functions.
2020 (try_ready): New function. Adjust callers in sched-rgn.c and
2021 sched-ebb.c to use it instead of ready_add.
2022 (clock_var): Move at the begining of file.
2023 (rank_for_schedule): Fix typo.
2024 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2025 (ready_lastpos): Enforce assertion.
2026 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2028 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2029 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2030 (queue_to_ready): Use free_INSN_LIST_list.
2031 (early_queue_to_ready): Fix typo.
2032 (schedule_block): Init readyp. Move init_ready_list call after the
2033 initialization of clock_var. Fix error in rejecting insn by
2034 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2035 that previously corrected INSN_TICKs. Add code for handling
2037 (set_priorities): Fix typo.
2038 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2039 Clarify comment and code that keeps current_sched_info->next_tail
2042 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2044 * sched-rgn.c (extend_rgns): New static function.
2045 (find_rgns): Use it.
2046 (gather_region_statistics, print_region_statistics): New static
2048 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2049 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2051 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2052 Andrey Belevantsev <abel@ispras.ru>
2054 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2055 * lists.c (unused_deps_list): New variable.
2056 (free_list): Add assertions to verify the proper distinguishing
2057 between INSN_LISTs and DEPS_LISTs.
2058 (find_list_elem, remove_list_elem, remove_list_node): New static
2060 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2061 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2062 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2063 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2065 (free_INSN_LIST_node): Likewise.
2066 * modulo-sched.c (current_sched_info): Initialize flags field.
2067 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2068 * rtl.def (DEPS_LIST): Define.
2069 * rtl.h: Declare new functions from lists.c.
2070 * sched-deps.c (spec_dependency_cache): New static variable.
2071 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2072 (add_dependence): Change return type to void. Move the logic to ...
2073 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2074 (delete_all_dependences): Add comment about forward_dependency_cache.
2075 Handle spec_dependency_cache. Handle DEPS_LISTs.
2076 (fixup_sched_groups): Clarify the change of priority of output
2077 and anti dependencies.
2078 (sched_analyze_2): Adjust add_dependence calls to create data
2079 speculative dependence.
2080 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2081 Adjust all callers. Handle DEPS_LISTS.
2082 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2083 presence of speculation.
2084 (init_dependency_caches, free_dependency_caches):
2085 Handle spec_dependency_cache.
2086 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2087 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2088 New static functions.
2089 (add_or_update_back_dep, add_or_update_back_forw_dep,
2090 add_back_forw_dep, delete_back_forw_dep): New functions.
2091 * sched-int.h (ds_t, dw_t): New typedefs.
2092 (struct sched_info): Add new field flags.
2093 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2094 Prototype new sched-deps.c functions.
2095 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2096 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2097 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2098 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2099 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2100 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2102 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2104 * sched-rgn.c (current_sched_info): Initialize flags field.
2105 (schedule_insns): Initialize current_sched_info before the sched_init
2107 * sched-ebb.c (current_sched_info): Initialize flags field.
2108 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2109 Call add_or_update_back_dep instead of add_dependence.
2110 Create control speculative dependencies.
2111 (schedule_insns): Initialize current_sched_info before the sched_init
2114 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2116 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2118 (sh_fallback_frame_state): Likewise.
2120 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2122 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2123 Do switch on default_use_cxa_atexit.
2124 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2125 * config/darwin-crt3.o: New.
2126 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2127 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2128 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2130 * config/rs6000/t-darwin: Move crt2.o building to here.
2131 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2132 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2135 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2137 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2138 from '! xxx' to '!xxx' for coding-style conformance.
2139 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2140 (EXTRA_CONSTRAINT): Likewise.
2141 * config/vax/vax.md (four unnamed insns): Likewise.
2143 2006-03-15 Paul Brook <paul@codesourcery.com>
2145 * config/arm/arm.c (minipool_pad): New.
2146 (add_minipool_forward_ref): Include pool alignment padding in address
2148 (push_minipool_fix): Set minipool_pad.
2149 (minipool_pad): Ditto.
2151 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2153 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2154 instead of GET_CODE() == MEM and REG_P() instead of
2156 (print_operand_address): Likewise.
2157 (vax_address_cost): Likewise.
2158 (vax_rtx_costs): Likewise.
2159 (vax_notice_update_cc): Likewise.
2160 (vax_output_int_add): Likewise.
2161 (INDEX_REGISTER_P): Likewise.
2162 (BASE_REGISTER_P): Likewise.
2163 (nonindexed_address_p): Likewise.
2164 (vax_mode_dependent_address_p): Likewise.
2165 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2166 (PRINT_OPERAND): Likewise.
2167 * config/vax/vax.md (ashlsi3): Likewise.
2168 (ashlsi3): Likewise.
2169 (some more unnamed insns): Likewise.
2171 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2173 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2174 iterator-style macro.
2175 (mark_control_dependent_edges_necessary): Update the use of
2176 EXECUTE_IF_CONTROL_DEPENDENT.
2178 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2180 * config/sh/predicates.md (cache_address_operand): Special.
2181 (ua_address_operand): Likewise.
2183 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2185 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2187 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2189 2006-03-15 Andreas Schwab <schwab@suse.de>
2191 * gensupport.c (identify_predicable_attribute): Don't free p_false
2192 when it is still in use.
2194 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2196 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2197 the default setting here.
2199 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2201 * tree-pass.h (pass_cfg): Remove.
2202 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2203 * passes.c (pass_cfg): Don't run it.
2205 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2207 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2208 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2210 (stack_regs_mentioned): Update the uses of
2211 stack_regs_mentioned_data. Don't access the array beyond its
2213 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2214 Don't include gt-reg-stack.h.
2216 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2217 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2219 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2222 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2225 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2227 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2229 2006-03-14 Richard Guenther <rguenther@suse.de>
2231 PR tree-optimization/26672
2232 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2235 2006-03-14 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/26667
2238 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2239 node for the callees. Always allow inlining if it will shrink
2242 2006-03-14 Richard Guenther <rguenther@suse.de>
2245 * builtins.c (get_pointer_alignment): Prefer alignment
2246 information from decls over that from types.
2248 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2251 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2253 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2255 * config/rs6000/rs6000.opt (mdlmzb): New option.
2256 (msched-prolog, msched-epilog): Use Var not Mask.
2257 * doc/invoke.texi (-mdlmzb): Document.
2258 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2260 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2261 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2263 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2265 PR rtl-optimization/25739
2266 * bt-load.c (augment_live_range): Free tos pointer.
2268 * gensupport.c (identify_predicable_attribute): Free
2270 * gcov.c (create_file_names): Free name pointer.
2272 2006-03-13 Roger Sayle <roger@eyesopen.com>
2275 * stmt.c (emit_case_nodes): Handle the case where the index is a
2276 CONST_INT, where the comparison mode is specified by the index type.
2278 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2280 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2283 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2285 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2286 (*branch_fp_inverted): Likewise.
2288 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2291 * omp-low.c (expand_omp_for_generic): Mark istart0
2292 and iend0 as addressable.
2294 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2296 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2298 2006-03-13 Jeff Law <law@redhat.com>
2300 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2301 virtual operands are interesting.
2302 (vrp_visit_stmt): Corresponding changes.
2304 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2306 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2308 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2309 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2310 * config/bfin/crti.S: Use it instead of __PIC__.
2311 * config/bfin/crtn.S: Likewise.
2313 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2314 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2316 Lose 'G' modifier for call operand.
2317 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2318 recognize 'G' modifier.
2320 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2323 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2324 * stmt.c (expand_case): Likewise.
2326 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2328 PR rtl-optimization/26254
2329 * loop-invariant.c (seq_insns_valid_p): New function.
2330 (move_invariant_reg): Only emit new code if it is valid.
2332 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2334 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2336 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2337 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2338 (commit_one_edge_insertion): Do not look for loop notes.
2340 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2342 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2343 flag_test_coverage out of loop.
2345 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2347 * final.c (shorten_branches): Remove outdated comment, and turn
2348 the if branch that guards it to continue.
2350 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2352 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2353 * cfgloop.h (struct loop): Remove unused fields.
2355 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2357 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2358 (-dL, -fdump-rtl-loop2): Update the dump file names
2360 * doc/invoke.texi: Update dump file names.
2362 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2364 * predict.c (estimate_probability): Remove.
2365 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2366 * basic-block.h (estimate_probability): Remove prototype.
2367 * passes.c (finish_optimization_passes): Dump branch prediction or
2368 profiling heuristics to the .profile tree dump.
2369 (init_optimization_passes): Unqueue pass_branch_prob.
2371 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2373 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2375 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2376 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2378 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2380 * function.h (frame_offset_overflow): Declare.
2381 * function.c (frame_offset_overflow): New function.
2382 (assign_stack_local_1): Call it to detect that the offset overflows.
2383 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2385 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2387 * config/sh/sh.c: Include alloc-pool.h.
2388 (label_ref_list_pool): New alloc pool.
2389 (label_ref_list_t): New type for lists of labels.
2390 (struct pool_node): Make wend a label_ref_list_t.
2391 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2393 (dump_table): Likewise.
2394 (sh_reorg): Set up the alloc pool before using add_constant and
2395 dump_table, and destroy it when finishing.
2397 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2399 * config/mips/mips.c: Remove redundant comment.
2401 2006-03-10 Jason Merrill <jason@redhat.com>
2404 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2405 the target was declared 'register'.
2407 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2409 * genpreds.c (write_insn_constraint_len): Change definition of
2410 insn_constraint_len to return size_t to match the declaration.
2412 2006-03-10 DJ Delorie <dj@redhat.com>
2414 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2416 (m32c_expand_insv): Fix test for an AND mask.
2418 2006-03-10 Richard Guenther <rguenther@suse.de>
2421 * builtins.c (get_pointer_alignment): Handle component
2422 references for field alignment.
2424 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2426 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2427 when building with libgloss.
2428 (sh*elf): Implement --without-fp option.
2429 (sh64-superh-linux*): Don't multilib.
2431 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2433 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2435 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2437 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2438 Set it when one of the replacement functions returned true.
2439 Return TODO_cleanup_cfg if cfgchanged is true.
2440 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2442 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2444 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2445 instead of gen_lowpart.
2447 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2449 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2451 (mips_output_order_conditional_branch): Declare.
2452 * config/mips/mips.h (MIPS_BRANCH): New macro.
2453 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2454 for the comparison. Use gen_condjump.
2455 (mips_output_conditional_branch): Rework interface to take the
2456 asm templates for a direct branch and the inverse of a direct branch.
2457 (mips_output_order_conditional_branch): New function.
2458 (mips_builtin_branch_and_move): New function.
2459 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2460 branch condition. Use gen_single_cc as the condition for
2461 __builtin_mips_upper_* or __builtin_mips_lower_*.
2462 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2463 Use VOIDmode for the branch condition.
2464 * config/mips/predicates.md (order_operator): New predicate.
2465 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2466 (branch_fp): Rename to...
2467 (*branch_fp): ...this. Remove mode from comparison operator.
2468 Use new mips_output_conditional_branch interface.
2469 (branch_fp_inverted): Rename to...
2470 (*branch_fp_inverted): ...this and update as for *branch_fp.
2471 (*branch_zero<mode>): Rename to...
2472 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2473 Use mips_output_order_conditional_branch. Only accept ordered
2475 (*branch_zero<mode>_inverted): Rename to...
2476 (*branch_order<mode>_inverted): ...this and update as for
2477 *branch_order<mode>.
2478 (*branch_equality<mode>): Accept zero as the second operand to
2479 the equality operator. Use the new mips_output_conditional_branch
2481 (*branch_equality<mode>_inverted): Likewise.
2482 (condjump): New expander.
2483 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2485 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2486 (bc1any2t, bc1any2f): Likewise.
2487 (single_cc): New expander.
2488 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2490 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2492 * doc/md.texi: Update documentation of MIPS constraints.
2493 * config/mips/constraints.md: New file.
2494 * config/mips/mips.md: Include it.
2495 * config/mips/mips.c (mips_char_to_class): Delete.
2496 (override_options): Don't initialize mips_char_to_class.
2497 * config/mips/mips.h (mips_char_to_class): Delete.
2498 (REG_CLASS_FROM_LETTER): Delete.
2499 (CONST_OK_FOR_LETTER_P): Delete.
2500 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2501 (EXTRA_CONSTRAINT_Y): Delete.
2502 (EXTRA_CONSTRAINT_STR): Delete.
2503 (CONSTRAINT_LEN): Delete.
2504 (EXTRA_MEMORY_CONSTRAINT): Delete.
2506 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2508 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2509 original fn's eh regions.
2511 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2513 * fold-const.c (build_range_check): Make sure to use a valid type to
2514 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2517 (range_predecessor): New static function.
2518 (range_successor): Likewise.
2519 (merge_ranges): Use them to compute predecessors and successors of
2522 2006-03-09 Roger Sayle <roger@eyesopen.com>
2525 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2526 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2528 2006-03-08 DJ Delorie <dj@redhat.com>
2530 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2531 (addpsi3): Expand to include memory operands. Remove
2532 reload-specific splits.
2533 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2534 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2535 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2536 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2537 (shift1_qi, shift1_hi, insv): New.
2538 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2539 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2540 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2542 * config/m32c/m32c-protos.h: Update as needed.
2543 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2544 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2545 Fail for unrecognized R* constraints.
2546 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2547 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2548 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2550 (m32c_init_libfuncs): New.
2551 (m32c_legitimate_address_p): Add debug wrapper.
2552 (m32c_rtx_costs): New.
2553 (m32c_address_cost): New.
2554 (conversions): Add 'B' prefix.
2555 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2556 operands, or word regnames for QI operands. 'B' prints bit
2558 (m32c_expand_setmemhi): New.
2559 (m32c_expand_movmemhi): New.
2560 (m32c_expand_movstr): New.
2561 (m32c_expand_cmpstr): New.
2562 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2563 (m32c_expand_neg_mulpsi3): Handle non-ints.
2564 (m32c_cmp_flg_0): New.
2565 (m32c_expand_movcc): New.
2566 (m32c_expand_insv): New.
2567 (m32c_scc_pattern): New.
2568 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2569 a0/a1 out of SIregs.
2570 (STORE_FLAG_VALUE): New.
2571 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2574 * config/m32c/mov.md: Make constraints more liberal.
2575 (zero_extendqihi2): Optimize r0/r1 case.
2576 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2577 * config/m32c/predicates.md (m32c_any_operand): New.
2578 (m32c_nonimmediate_operand): New.
2579 (m32c_hl_operand): New.
2580 (m32c_r3_operand): New.
2583 (memsym_operand): New.
2584 (memimmed_operand): New.
2585 (a_qi_operand): New.
2586 (m32c_eqne_operator): New.
2587 (m32c_1bit8_operand): New.
2588 (m32c_1bit16_operand): New.
2589 (m32c_1mask8_operand): New.
2590 (m32c_1mask16_operand): New.
2591 * config/m32c/blkmov.md: New file.
2592 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2594 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2596 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2597 unsigned to fix signed/unsigned comparison issue in
2598 DWARF2_FRAME_REG_OUT.
2599 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2600 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2602 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2603 of ptr into the ENABLE_CHECKING section.
2605 2006-03-08 Jeff Law <law@redhat.com>
2607 * tree-vrp.c (infer_value_range): Only count pointer uses
2608 and dereferences if -fdelete-null-pointer-checks is enabled.
2610 * tree-vrp.c (find_assert_locations): Infer value ranges for
2611 single use pointers, but do not create ASSERT_EXPRs for them.
2612 When a non-null range is inferred for a pointer, backwards
2613 propagate that range to other equivalent pointers through the
2616 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2619 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2620 language hook targets.
2621 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2622 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2623 if language hook targets were missing.
2625 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2627 * tree-ssa-opfinalize.h: Removed.
2628 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2630 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2631 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2632 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2633 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2634 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2635 finalize_ssa_v_must_def_ops): New.
2637 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2639 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2642 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2644 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2646 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2647 addresses with offsets; reorganize.
2649 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2650 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2651 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2653 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2656 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2658 2006-03-08 Ben Elliston <bje@au.ibm.com>
2660 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2662 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2665 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2668 2006-03-07 Richard Guenther <rguenther@suse.de>
2670 PR tree-optimization/26587
2671 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2673 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2675 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2677 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2679 * hooks.c (hook_bool_mode_rtx_true): New function.
2680 * hooks.h (hook_bool_mode_rtx_true): Declare.
2681 * toplev.c (compile_file): Call output_shared_constant_pool.
2682 * varasm.c (shared_constant_pool): New variable.
2683 (assemble_start_function, assemble_end_function): Remove arguments
2684 from call to output_constant_pool.
2685 (create_constant_pool): New function, split out from...
2686 (init_varasm_status): ...here.
2687 (force_const_mem): Choose between the shared and per-function constant
2688 pools. Set current_function_uses_const_pool when reusing old entries
2689 as well as when creating new ones.
2690 (mark_constant): Ignore data argument.
2691 (mark_constants): Remove pool argument.
2692 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2693 to decide whether the function uses a constant pool.
2694 (output_constant_pool_contents): New function, split out from...
2695 (output_constant_pool): ...here.
2696 (output_shared_constant_pool): New function.
2697 (init_varasm_once): Initialize shared_constant_pool.
2698 * output.h (output_constant_pool): Delete.
2699 (output_shared_constant_pool): Declare.
2700 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2701 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2703 2006-03-06 Nick Clifton <nickc@redhat.com>
2705 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2706 flag_strength_reduce.
2708 2006-03-06 Ben Elliston <bje@au.ibm.com>
2710 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2711 x86_64-*-linux* configurations.
2713 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2714 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2716 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2718 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2720 * basic-block.h: Remove the extern for
2721 rediscover_loops_after_threading.
2723 * cfgloop.c (cancel_loop): Make it static.
2724 * cfgloop.h: Remove the prototype for cancel_loop.
2726 * flow.c (recompute_reg_usage): Make it static.
2727 * rtl.h: Remove the prototype for recompute_reg_usage.
2729 * function.c (use_return_register): Make it static.
2730 * function.h: Remove the prototype.
2732 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2734 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2736 * recog.h: Remove the prototype for
2737 validate_change_maybe_volatile.
2739 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2741 * rtlanal.c (replace_reg): Remove.
2742 * rtl.h: Remove the prototype for replace_reg.
2744 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2746 * regclass.c (reg_scan_update): Remove.
2747 (reg_scan_mark_refs): Remove the last argument.
2748 * rtl.h: Remove the prototype for reg_scan_update.
2750 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2752 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2753 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2754 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2755 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2756 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2757 loop-invariant.c, omp-low.c, opts.c, passes.c,
2758 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2759 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2760 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2761 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2762 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2763 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2765 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2767 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2768 * dwarf2out.h: Remove the prototype for
2769 dwarf2out_add_library_unit_info.
2771 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2773 * tree.c (add_var_to_bind_expr): Remove.
2774 * tree.h: Remove the prototype for add_var_to_bind_expr.
2776 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2778 * regclass.c (n_non_fixed_regs): Remove.
2779 (init_reg_sets_1, globalize_reg): Remove all uses of
2781 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2783 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2785 * rtlanal.c (insns_safe_to_move_p): Remove.
2786 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2788 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2790 * expmed.c (expand_mult_add): Remove.
2791 * expr.h: Remove the prototype for expand_mult_add.
2793 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2795 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2796 and REG_SAVED_VAL_EXP constants.
2797 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2798 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2799 Handle regs stored by value.
2800 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2801 (execute_cfa_program): Handle DW_CFA_val_offset,
2802 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2803 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2804 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2805 (uw_install_context_1): Handle target regs stored by value.
2807 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2809 * tree-sra.c (tree_sra): Return todoflags;
2810 (generate_one_element): Set TODO_update_smt_usage if needed.
2811 (pass_sra): Remove TODO_update_smt_usage.
2812 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2814 (tree_ssa_forward_propagate_single_use_vars): Return
2815 TODO_update_smt_usage if we need to update SMT usage.
2816 (pass_forwprop): Remove TODO_update_smt_usage.
2818 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2820 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2821 (correct_use_link): Remove reference to get_stmt_operands.
2822 (update_stmt_operands): Likewise.
2823 (get_modify_expr_operands): New function factored out of
2824 parse_ssa_operands and get_expr_operands.
2825 Try to create V_MUST_DEFs for LHS by default.
2826 (get_expr_operands) <case MODIFY_EXPR>: Call
2827 get_modify_expr_operands.
2828 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2829 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2830 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2831 get_modify_expr_operands.
2833 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2835 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2836 * tree-flow.h: Remove the prototype for
2837 referenced_var_lookup_if_exists.
2839 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2841 PR rtl-optimization/26345
2843 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2845 2006-03-03 Roger Sayle <roger@eyesopen.com>
2847 PR tree-optimization/26524
2848 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2849 fold_convert to create a constant of the appropriate type.
2851 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2853 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2854 SYMBOL_REF_IN_BLOCK_P.
2855 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2856 of SYMBOL_FLAG_IN_BLOCK.
2857 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2858 instead of SYMBOL_REF_IN_BLOCK_P.
2859 * explow.c (use_anchored_address): Likewise.
2860 * rtl.c (rtx_size): Likewise.
2861 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2862 instead of SYMBOL_FLAG_IN_BLOCK.
2863 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2864 SYMBOL_REF_IN_BLOCK_P.
2865 (assemble_variable): Likewise.
2866 (output_constant_def_contents): Likewise.
2867 (output_constant_pool): Likewise.
2868 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2869 instead of SYMBOL_FLAG_IN_BLOCK.
2870 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2871 SYMBOL_REF_IN_BLOCK_P.
2872 (SYMBOL_REF_BLOCK): Likewise.
2873 (SYMBOL_REF_OFFSET): Likewise.
2874 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2875 SYMBOL_REF_IN_BLOCK_P.
2876 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2877 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2878 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2879 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2881 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2883 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2885 2006-03-02 Roger Sayle <roger@eyesopen.com>
2887 * simplify-rtx.c (simplify_unary_operation): When simplifying
2888 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2889 that we perform the right shift in the appropriate mode, and
2890 then extend or truncate the result to requested mode.
2892 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2894 * gengtype.c (main): Handle double_int type.
2895 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2896 * double-int.c: New file.
2897 * double-int.h: New file.
2898 * system.h: Include doubleint.h.
2899 * Makefile.in (SYSTEM_H): Include double-int.h.
2900 (double-int.o): Add.
2902 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2905 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2908 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2910 * tree-vrp.c (remove_range_assertions): Do not update statements
2913 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2915 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2917 * gcse.c (rest_of_handle_gcse): Ditto.
2918 * except.c (gate_handle_eh): Ditto.
2919 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2920 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2922 2006-03-02 Eric Christopher <echristo@apple.com>
2924 * config/i386/i386.c (machopic_output_stub): Add indirection to
2927 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2931 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2933 Sun Niagara specific optimizations.
2934 * config.gcc: Recognize niagara as target.
2935 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2936 (TARGET_CPU_niagara): Define.
2937 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2938 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2939 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2940 (ASM_CPU_SPEC): Likewise.
2941 (PROCESSOR_NIAGARA): New enum entry.
2942 (REGISTER_MOVE_COST): Handle Niagara.
2943 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2944 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2945 (sparc_override_options): Recognize "niagara", set appropriate
2946 default MASK_* values for it, and align functions to 32-bytes
2947 by default just like ULTRASPARC/ULTRASPARC3.
2948 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2949 (sparc64_initialize_trampoline): Likewise.
2950 (sparc_use_sched_lookahead): Use zero for niagara.
2951 (sparc_issue_rate): Use one for niagara.
2952 * config/sparc/niagara.md: New file.
2953 * config/sparc/sparc.md: Include it.
2954 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2955 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2956 when default cpu is niagara.
2957 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2958 (ASM_CPU_SPEC): Likewise.
2959 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2960 when default cpu is niagara.
2961 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2962 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2963 just like v9/ultrasparc/ultrasparc3.
2964 * doc/invoke.texi: Add documentation for "niagara" and improve
2965 existing documentation for ultrasparc variants.
2967 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2969 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2971 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2973 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2974 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2975 and say that only one is needed.
2976 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2977 * target.h (have_switchable_bss_sections): New hook.
2978 * explow.c (use_anchored_address): Check that the symbol is in a block.
2979 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2980 (bss_noswitch_section): New variables.
2981 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2982 (get_noswitch_section): New function.
2983 (get_block_for_section): Allow SECT to be null.
2984 (unlikely_text_section_p): Use SECTION_STYLE.
2985 (bss_initializer_p): New function.
2986 (get_variable_section): Move earlier in file. Take a new argument,
2987 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2988 Return one of the new *_sections in such cases.
2989 (get_block_for_decl): New function, extracting some logic from
2990 use_blocks_for_decl_p.
2991 (change_symbol_section): Remove in favor of...
2992 (change_symbol_block): ...this new function.
2993 (use_blocks_for_decl_p): Remove checks now performed by
2995 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2996 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2997 (emit_local, emit_bss, emit_common): ...these new functions.
2998 Return true if the alignment was honored.
2999 (emit_tls_common): New function.
3000 (asm_emit_uninitialised): Delete.
3001 (assemble_variable_noswitch): New function, split out from...
3002 (assemble_variable): ...here. Don't make decisions about common
3003 variables here. Globalize all public decls that go into non-common
3004 sections. Check whether SYMBOL_REF_BLOCK is null.
3005 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3006 (output_constant_pool): Likewise.
3007 (init_varasm_once): Initialize the new section variables.
3008 (have_global_bss_p): New function.
3009 (categorize_decl_for_section): Use bss_initializer_p.
3010 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3011 (place_block_symbol): Assert that the symbol must be in a block.
3012 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3013 (TARGET_INITIALIZER): Include it.
3014 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3015 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3016 (SECTION_MACH_DEP): Bump by two.
3017 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3018 (unnamed_section): Mention SECTION_UNNAMED in comment.
3019 (named_section): Likewise SECTION_NAMED.
3020 (noswitch_section_callback): New type.
3021 (noswitch_section): New structure.
3022 (section): Add a noswitch_section alternative.
3023 (SECTION_STYLE): New macro.
3024 (tls_comm_section, comm_section, lcomm_section): Declare.
3025 (bss_noswitch_section, have_global_bss_p): Declare.
3026 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3027 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3029 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3030 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3033 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3035 * gcc/tree-vrp.c (execute_vrp): Return value.
3036 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3037 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3038 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3039 (tree_lower_complex_O0): Ditto.
3040 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3041 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3042 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3043 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3044 (execute_tail_calls): Ditto.
3045 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3046 * gcc/tree.h (init_function_for_compilation): Ditto.
3047 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3048 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3049 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3050 * gcc/final.c (compute_alignments): Ditto.
3051 (rest_of_handle_final): Ditto.
3052 (rest_of_handle_shorten_branches): Ditto.
3053 (rest_of_clean_state): Ditto.
3054 * gcc/omp-low.c (execute_expand_omp): Ditto.
3055 (execute_lower_omp): Ditto.
3056 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3057 * gcc/ipa-reference.c (static_execute): Ditto.
3058 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3059 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3060 (rest_of_handle_machine_reorg): Ditto.
3061 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3062 * gcc/flow.c (recompute_reg_usage): Ditto.
3063 (rest_of_handle_remove_death_notes): Ditto.
3064 (rest_of_handle_life): Ditto.
3065 (rest_of_handle_flow2): Ditto.
3066 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3067 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3068 (do_ssa_store_ccp): Ditto.
3069 (execute_fold_all_builtins): Ditto.
3070 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3071 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3072 * gcc/ipa-pure-const.c (static_execute): Ditto.
3073 * gcc/cse.c (rest_of_handle_cse): Ditto.
3074 (rest_of_handle_cse2): Ditto.
3075 * gcc/web.c (rest_of_handle_web): Ditto.
3076 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3077 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3078 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3079 * gcc/tree-nrv.c (tree_nrv): Ditto.
3080 (execute_return_slot_opt): Ditto.
3081 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3082 (create_structure_vars): Ditto.
3083 * gcc/loop-init.c (rtl_loop_init): Ditto.
3084 (rtl_loop_done): Ditto.
3085 (rtl_move_loop_invariants): Ditto.
3086 (rtl_unswitch): Ditto.
3087 (rtl_unroll_and_peel_loops): Ditto.
3088 (rtl_doloop): Ditto.
3089 * gcc/gimple-low.c (lower_function_body): Ditto.
3090 (mark_used_blocks): Ditto.
3091 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3092 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3093 (cgraph_early_inlining): Ditto.
3094 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3095 * gcc/jump.c (cleanup_barriers): Ditto.
3096 (purge_line_number_notes): Ditto.
3097 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3098 (rest_of_handle_if_after_reload): Ditto.
3099 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3100 (tree_ssa_loop_im): Ditto.
3101 (tree_ssa_loop_unswitch): Ditto.
3102 (tree_vectorize): Ditto.
3103 (tree_linear_transform): Ditto.
3104 (tree_ssa_loop_ivcanon): Ditto.
3105 (tree_ssa_empty_loop): Ditto.
3106 (tree_ssa_loop_bounds): Ditto.
3107 (tree_complete_unroll): Ditto.
3108 (tree_ssa_loop_prefetch): Ditto.
3109 (tree_ssa_loop_ivopts): Ditto.
3110 (tree_ssa_loop_done): Ditto.
3111 * gcc/predict.c (tree_estimate_probability): Ditto.
3112 * gcc/recog.c (split_all_insns_noflow): Ditto.
3113 (rest_of_handle_peephole2): Ditto.
3114 (rest_of_handle_split_all_insns): Ditto.
3115 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3116 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3117 (rest_of_handle_stack_adjustments): Ditto.
3118 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3119 * gcc/function.c (instantiate_virtual_regs): Ditto.
3120 (init_function_for_compilation): Ditto.
3121 (rest_of_handle_check_leaf_regs): Ditto.
3122 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3123 (rest_of_handle_gcse): Ditto.
3124 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3125 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3126 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3127 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3128 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3129 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3130 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3131 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3132 * gcc/except.c (set_nothrow_function_flags): Ditto.
3133 (convert_to_eh_region_ranges): Ditto.
3134 (rest_of_handle_eh): Ditto.
3135 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3136 (remove_unnecessary_notes): Ditto.
3137 * gcc/except.h (set_nothrow_function_flags): Ditto.
3138 (convert_to_eh_region_ranges): Ditto.
3139 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3140 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3141 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3142 (execute_fre): Ditto.
3143 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3144 (rest_of_handle_jump2): Ditto.
3145 * gcc/tree-sra.c (tree_sra): Ditto.
3146 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3147 (execute_mudflap_function_decls): Ditto.
3148 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3149 (do_store_copy_prop): Ditto.
3150 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3151 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3152 * gcc/tree-ssa-forwprop.c
3153 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3154 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3155 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3156 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3157 (execute_late_warn_uninitialized): Ditto.
3158 * gcc/rtl.h (cleanup_barriers): Ditto.
3159 (split_all_insns_noflow): Ditto.
3160 (purge_line_number_notes): Ditto.
3161 (unshare_all_rtl): Ditto.
3162 (remove_unnecessary_notes): Ditto.
3163 (recompute_reg_usage): Ditto.
3164 (variable_tracking_main): Ditto.
3165 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3166 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3167 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3168 (execute_free_cfg_annotations): Ditto.
3169 (execute_fixup_cfg): Ditto.
3170 (execute_cleanup_cfg_pre_ipa): Ditto.
3171 (execute_cleanup_cfg_post_optimizing): Ditto.
3172 (execute_init_datastructures): Ditto.
3173 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3174 * gcc/combine.c (rest_of_handle_combine): Ditto.
3175 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3176 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3177 (rest_of_handle_reorder_blocks): Ditto.
3178 (rest_of_handle_partition_blocks): Ditto.
3179 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3180 * gcc/tree-profile.c (tree_profiling): Ditto.
3181 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3182 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3183 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3184 (rest_of_handle_sched2): Ditto.
3185 * gcc/basic-block.h (free_bb_insn): Ditto.
3186 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3187 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3188 (remove_useless_stmts): Ditto.
3189 (split_critical_edges): Ditto.
3190 (execute_warn_function_return): Ditto.
3191 (execute_warn_function_noreturn): Ditto.
3192 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3193 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3194 * gcc/passes.c (execute_one_pass): Run additional
3195 todos returned by execute function.
3196 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3199 2006-03-02 Richard Guenther <rguenther@suse.de>
3201 * tree-ssa-alias.c (find_used_portions): Consider taking
3202 the address as making the variable not write-only.
3204 2006-03-02 Nick Clifton <nickc@redhat.com>
3206 * config.gcc (default_use_cxa_atexit): Extend the description of
3207 this configure variable. Set its default value to "yes" for
3208 Linux, NetBSD and ELF targets on the assumption that they will
3209 use C libraries with the __cxa_atexit function.
3211 2006-03-02 Ben Elliston <bje@au.ibm.com>
3213 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3214 parameter as unused to suppress a build warning.
3216 2006-03-02 Ben Elliston <bje@au.ibm.com>
3218 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3221 2006-03-01 Roger Sayle <roger@eyesopen.com>
3224 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3225 declared name, the weak reference name, and the typeof name.
3226 (__gthrw): Avoid expanding the declared name suffix.
3227 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3229 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3231 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3233 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3234 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3235 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3236 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3237 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3238 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3239 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3240 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3241 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3242 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3243 (DW_END_default, DW_END_big, DW_END_little): New.
3244 (DW_END_lo_user, DW_END_hi_user): Define.
3245 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3246 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3247 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3250 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3252 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3254 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3256 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3258 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3260 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3261 to 'symbol_mem_tag'.
3263 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3266 2006-03-01 Roger Sayle <roger@eyesopen.com>
3268 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3270 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3273 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3274 MACHO_DYNAMIC_NO_PIC_P.
3275 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3277 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3280 * config/darwin-protos.h (darwin_asm_output_anchor):
3282 * config/darwin-sections.def (cstring_section):
3283 Add SECTION_MERGE to the flags.
3284 (literal4_section): Likewise.
3285 (literal8_section): Likewise.
3286 (objc_selector_refs_section): Likewise.
3287 (objc_cls_refs_section): Likewise.
3288 * config/darwin.c (darwin_asm_output_anchor): New
3290 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3292 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3294 Fix PR tree-optimization/26443
3295 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3296 to todo and PROP_tmt_usage to properties_destroyed.
3297 * tree-ssa-ccp.c (pass_ccp): Ditto.
3298 (pass_store_ccp): Ditto.
3299 * tree-ssa-dom.c (pass_dominator): Ditto.
3301 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3303 * tree-ssa-operands.c: Cleanup whitespace.
3304 (get_asm_expr_operands): Move before first invocation.
3305 (get_indirect_ref_operands): Likewise.
3306 (get_tmr_operands): Likewise.
3307 (get_call_expr_operands): Likewise.
3308 (append_def): Likewise.
3309 (append_use): Likewise.
3310 (append_v_may_def): Likewise.
3311 (append_v_must_def): Likewise.
3312 (add_call_clobber_ops): Likewise.
3313 (add_call_read_ops): Likewise.
3314 (add_stmt_operand): Likewise.
3315 (add_virtual_operand): Likewise.
3316 (build_ssa_operands): Likewise.
3318 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3323 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3324 with a call expr to ...
3325 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3327 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3329 * tree-vrp.c (extract_range_from_assert): Remove special
3330 handling for types with super-types.
3332 2006-03-01 Ben Elliston <bje@au.ibm.com>
3334 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3335 and powerpc64-*-linux* configurations.
3336 * config/t-dfprules: New file.
3338 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3339 Compile dfp-bit.c from the source directory using -DWIDTH and
3340 $DFP_CFLAGS to control the compilation of that file, rather than
3341 generating width-specific versions in the build directory.
3342 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3343 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3345 2006-02-28 Zack Weinberg <zackw@panix.com>
3347 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3350 2006-02-28 Eric Christopher <echristo@apple.com>
3352 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3353 Set up IN_LIBGCC definition of TARGET_64BIT.
3354 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3356 2006-02-28 Roger Sayle <roger@eyesopen.com>
3359 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3360 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3361 cases via the construction of "expr != 0".
3363 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3365 * alias.c (alias_invariant, alias_invariant_size): Remove.
3366 (record_base_value): Remove.
3367 (memrefs_conflict_p): Don't look at alias_invariant.
3368 (end_alias_analysis): Don't free it.
3369 * alias.h (record_base_value): Remove prototype.
3371 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3372 Adam Nemet <anemet@caviumnetworks.com>
3374 * rtl.h (truncated_to_mode): Declare it.
3375 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3376 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3377 (RTL_HOOKS_INITIALIZER): Include it.
3378 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3379 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3380 reg_truncated_to_mode.
3381 * rtlanal.c (truncated_to_mode): Define it.
3382 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3384 2006-02-28 Jeff Law <law@redhat.com>
3386 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3387 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3388 the range allowed by TYPE_PRECISION.
3390 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3392 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3394 PR tree-optimization/26419
3395 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3398 2006-02-27 Zack Weinberg <zackw@panix.com>
3400 * doc/md.texi: Fix typo in previous change.
3402 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3406 2006-02-27 Zack Weinberg <zackw@panix.com>
3408 * rtl.def (define_constraint, define_register_constraint)
3409 (define_memory_constraint, define_address_constraint): New MD forms.
3410 * gensupport.c (process_rtx): Put define_constraint etc on the
3412 * genpreds.c (process_define_predicate): Adjust comment. Validate
3413 the name, and call validate_exp to validate the expression.
3414 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3415 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3416 all callers changed.
3417 (validate_exp, needs_variable, struct constraint_data)
3418 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3419 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3420 (const_dbl_constraints, constraint_max_namelen)
3421 (have_register_constraints, have_memory_constraints)
3422 (have_address_constraints, have_address_constraints)
3423 (have_extra_constraints, have_const_int_constraints)
3424 (have_const_dbl_constraints, mangle, add_constraint)
3425 (process_define_constraint, process_define_register_constraint)
3426 (write_enum_constraint_num, write_lookup_constraint)
3427 (write_insn_constraint_len, write_regclass_for_constraint)
3428 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3429 (write_insn_extra_memory_constraint)
3430 (write_insn_extra_address_constraint)
3431 (write_satisfies_constraint_fns): New.
3432 (write_tm_preds_h): If we have new-style constraint definitions,
3433 prototype the functions generated from them, and define the
3434 old constraint interface (still used by generic code) in terms of
3436 (write_insn_preds_c): If we have new-style constraint definitions,
3437 generate all relevant functions from those definitions.
3438 (main): Handle define_constraint etc.
3439 * genoutput.c (struct constraint_data, indep_constraints)
3440 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3441 (mdep_constraint_len): New data structures and functions, defined
3442 #ifdef USE_MD_CONSTRAINTS.
3443 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3444 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3445 use new logic to validate operand constraints against constraint
3447 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3449 * defaults.h: If none of the old-style constraint macros are
3450 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3451 old-style macros; and poison REG_CLASS_FROM_LETTER,
3452 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3454 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3455 * doc/md.texi: Document new constraint-definition mechanism and the
3456 C interface it provides. Remove references to old mechanism
3457 elsewhere in the document.
3458 (Machine Constraints): Use pathnames relative to gcc directory,
3459 i.e. config/ARCH/FILE. Change i386 section to refer to
3460 config/i386/predicates.md; update that section to match docstrings.
3461 * doc/tm.texi: Move all documentation of the old constraint-
3462 definition macros to their own section, clearly mark as obsolete.
3464 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3465 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3467 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3468 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3469 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3471 (splits and peepholes): Use satisfies_constraint_*.
3472 * config/i386/i386.c (memory_address_length)
3473 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3475 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3477 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3478 scalar operation to be put back into the loop.
3480 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3483 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3484 (extract_cie_info): Handle S flag in augmentation string.
3485 (execute_cfa_program): If context->signal_frame, execute also
3486 fs->pc == context->ra instructions.
3487 (uw_frame_state_for): If context->signal_frame, don't subtract one
3488 from context->ra to find FDE.
3489 (uw_update_context_1): Set context->signal_frame to
3491 (_Unwind_GetIPInfo): New function.
3492 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3493 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3495 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3496 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3497 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3498 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3499 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3500 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3501 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3502 x86_64_fallback_frame_state): Set fs->signal_frame.
3503 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3504 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3505 (frob_update_context): Likewise. Workaround missing S flag in
3506 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3507 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3508 Remove the psw_addr + 1 hack.
3510 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3512 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3513 with aggregates here.
3514 (find_func_aliases): Remove code for &<aggregate> from here.
3516 2006-02-26 Roger Sayle <roger@eyesopen.com>
3518 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3519 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3520 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3523 2006-02-26 Roger Sayle <roger@eyesopen.com>
3526 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3528 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3530 * opts.c (decode_options): Do not handle flag_strength_reduce.
3531 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3532 and OPT_fstrength_reduce.
3533 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3534 flag_prefetch_loop_arrays for being nonzero.
3535 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3537 (fprefetch-loop-arrays-rtl): Removed.
3538 (flag_prefetch_loop_arrays): Do not specify the value.
3540 * doc/passes.texi: Update documentation of loop optimizer
3542 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3543 -frerun-loop-opt): Remove.
3545 2006-02-26 Richard Guenther <rguenther@suse.de>
3547 PR tree-optimization/26421
3548 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3549 in function calls that are ADDR_EXPRs as using the whole structure.
3551 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3553 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3554 * tree-pass.h (pass_loop_optimize): Remove.
3555 * passes.c (pass_loop_optimize): Never run it.
3556 * toplev.c (backend_init): Don't call init_loop.
3557 * opts.c (flag_loop_optimize_set): Remove.
3558 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3559 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3560 the old RTL loop optimizer when profiling enabled.
3561 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3562 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3563 pre-headers for the sake of the old RTL loop optimizer.
3564 * Makefile.in: Remove all references to loop.o.
3566 * doc/invoke.texi: Remove all references to -floop-optimize
3567 and -frerun-loop-opt.
3569 2006-02-26 Zack Weinberg <zackw@panix.com>
3571 * doc/md.texi (Machine Constraints): Refer to all files with paths
3572 relative to gcc directory (i.e. config/CPU/file). Add missing
3573 @table @code ... @end table to M32C subsection.
3575 2006-02-26 Roger Sayle <roger@eyesopen.com>
3577 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3579 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3581 2006-02-26 Roger Sayle <roger@eyesopen.com>
3582 James A. Morrison <phython@gcc.gnu.org>
3585 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3586 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3587 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3588 signedness of the shift operation.
3590 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3592 PR tree-optimization/26359
3593 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3595 2006-02-25 Roger Sayle <roger@eyesopen.com>
3597 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3598 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3599 as X == 0, and some symmetry related transformations.
3600 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3602 2006-02-25 Roger Sayle <roger@eyesopen.com>
3605 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3606 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3607 symmetry related transformations. Fold (X^C1) == C2 as
3610 2006-02-25 Juergen Weigert <jw@suse.de>
3611 Richard Guenther <rguenther@suse.de>
3613 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3615 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3617 * combine.c (gen_lowpart_or_truncate): Call
3618 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3620 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3622 * doc/invoke.texi: Move -fopenmp description to "Options for
3624 Remove reference to -lgomp.
3626 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3628 * doc/install.texi: Require GNU tar version 1.14.
3630 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3632 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3633 * doc/invoke.texi (C++ Dialect Options): Document
3634 -fno-use-cxa-get-exception-ptr.
3635 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3636 * configure: Regenerate.
3637 * c.opt (fuse-cxa-get-exception-ptr): New.
3638 * c-opts.c (c_common_handle_option): Handle
3639 OPT_fuse_cxa_get_exception_ptr.
3640 * c-common.c (flag_use_cxa_atexit): Update documentation.
3641 (flag_use_cxa_get_exception_ptr): New.
3642 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3643 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3645 (C_COMMON_OVERRIDE_OPTIONS): New.
3647 2006-02-24 Roger Sayle <roger@eyesopen.com>
3650 * combine.c (try_combine): Explicitly check whether GET_CODE is
3651 a SET or a CLOBBER, instead on checking that it isn't a USE.
3653 2006-02-24 Roger Sayle <roger@eyesopen.com>
3655 * fold-const.c (fold_comparison): New subroutine of fold_binary
3656 containing transformations common to both the equality and
3657 ordering relational operators, factored out of fold_binary.
3658 (fold_binary): Separate out the equality operators (EQ_EXPR
3659 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3660 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3661 transformations common to both.
3662 (fold_div_compare): Fix latent bugs in the previously unreachable
3663 LT_EXPR and GE_EXPR cases.
3665 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3667 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3668 decl libname for clog to __clog on AIX.
3670 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3672 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3675 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3676 output traceback table for thunks. Localise rs6000_stack_info call.
3678 2006-02-23 Roger Sayle <roger@eyesopen.com>
3679 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3681 * gthr-posix.h (__gthrw): Fix typo in comment.
3683 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3685 * doc/cpp.texi (Character sets): Document that we do support
3686 input files to be in any character set.
3688 2006-02-23 Jeff Law <law@redhat.com>
3690 * tree.h (PHI_ARG_NONZERO): Remove.
3691 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3692 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3693 node to the new node.
3695 PR tree-optimization/26425
3696 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3697 min/max, then assume its varying.
3699 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3701 PR rtl-optimization/26316
3702 * rtlanal.c (enum may_trap_p_flags): New.
3703 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3704 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3705 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3706 (may_trap_after_code_motion_p): New function.
3707 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3708 (find_invariant_insn): Use may_trap_after_code_motion_p.
3709 * rtl.h (may_trap_after_code_motion_p): Declare.
3711 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3713 * emit-rtl.c (immed_double_const): Cleanup.
3715 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3717 Fix PR tree-optimization/26376
3718 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3721 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3724 * gimplify.c (omp_add_variable): Guard variable size decl test with
3725 DECL_SIZE (decl) check.
3727 2006-02-23 Richard Guenther <rguenther@suse.de>
3730 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3731 like aggregate types.
3733 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3735 * configure.ac: Add --with{,out}-long-double-128 configure option.
3736 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3737 * configure: Rebuilt.
3738 * config.in: Rebuilt.
3739 * doc/install.texi (Options specification): Document
3740 --with-long-double-128.
3742 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3743 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3744 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3745 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3747 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3749 * config/s390/s390.c (override_options): Handle
3750 TARGET_DEFAULT_LONG_DOUBLE_128.
3752 * config/alpha/alpha.c (override_options): Handle
3753 TARGET_DEFAULT_LONG_DOUBLE_128.
3755 * config/sparc/sparc.c (sparc_override_options): Handle
3756 TARGET_DEFAULT_LONG_DOUBLE_128.
3758 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3760 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3761 (real-install-headers-tar, real-install-headers-cpio)
3762 (real-install-headers-cp): New targets.
3764 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3766 * tree.h (variable_section): Delete.
3767 * varasm.c (variable_section): Delete.
3769 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3771 * install.texi: Add notes on install.texi2html.
3772 (Building in parallel): Do not use footnotes.
3774 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3777 * doc/install.texi (Configuration): Document --disable-libgomp.
3779 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3781 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3783 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3785 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3786 (vec_extractv2df_0_sse): New.
3788 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3790 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3791 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3792 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3793 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3794 to the result of the expression.
3795 (def_cfa_1): Adjust.
3796 (frame_pointer_cfa_offset): Rename to...
3797 (frame_pointer_fb_offset): ... this. Adjust all uses.
3798 (convert_cfa_to_loc_list): Rename to...
3799 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3800 Pass it on to build_cfa_loc.
3801 (compute_frame_pointer_to_cfa_displacement): Rename to...
3802 (compute_frame_pointer_to_fb_displacement): ... this. New
3803 offset parameter. Use it in computation.
3804 (gen_subprogram_die): Compute cfa_fb_offset with the new
3805 macro, and use it to compute the fb loc list and the
3808 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3810 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3811 replaced with register_operand.
3812 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3813 non-DREG is expensive.
3814 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3815 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3818 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3820 * doc/install.texi2html: Use set -e.
3822 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3824 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3825 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3826 * doc/invoke.texi (-fshared-data): Delete.
3827 * common.opt (fshared-data): Delete.
3828 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3829 (assemble_static_space): Remove #if 0 code.
3830 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3831 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3832 * config/cris/cris.h: Remove FIXME.
3834 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3836 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3839 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3842 * combine.c (simplify_shift_const_1): Disable nested shifts
3843 optimization for vector shifts.
3845 2006-02-20 Roger Sayle <roger@eyesopen.com>
3847 PR tree-optimization/26361
3848 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3849 of unsigned integer types.
3851 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3853 * tree-chrec.c (eq_evolutions_p): New.
3854 * tree-chrec.h (eq_evolutions_p): Declared.
3855 * tree-data-ref.c: Fix formatting.
3856 (datadep_stats, dependence_stats): New.
3858 (print_direction_vector): New.
3859 (dump_data_dependence_relation): Use print_direction_vector.
3860 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3861 (compute_subscript_distance): Static.
3862 (initialize_data_dependence_relation): Static. Get the number
3863 of loops surrounding the references from the callers, and initialize
3864 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3865 base_object_differ_p analyzers.
3866 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3867 compute_overlap_steps_for_affine_1_2,
3868 analyze_subscript_affine_affine): Count the classified dependences.
3869 Print a message when a test failed.
3870 (can_use_analyze_subscript_affine_affine): New.
3871 (analyze_siv_subscript): Compute the data dependences on symbolic
3872 scevs that verify can_use_analyze_subscript_affine_affine.
3873 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3874 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3875 Handle symbolic scevs.
3876 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3878 (subscript_dependence_tester): Moved...
3879 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3880 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3881 DDR_SIZE_VECT instead of getting it in parameter.
3882 (subscript_dependence_tester): ... here. Take as a parameter
3883 loop_nest_depth. Call build_classic_dist_vector and
3884 build_classic_dir_vector.
3885 (compute_affine_dependence): Update subscript_dependence_tester
3886 parameters. Update datadep_stats counters. Call
3887 compute_subscript_distance.
3888 (compute_self_dependence): Save the dist and dir vectors. Call
3889 compute_subscript_distance.
3890 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3891 (compute_all_dependences): Reorder parameters as they were before
3892 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3893 compute_subscript_distance. Update the use of
3894 compute_affine_dependence and initialize_data_dependence_relation.
3895 (find_data_references_in_loop): Handle COMPONENT_REF.
3896 (compute_data_dependences_for_loop): Initialize dependence_stats.
3897 Don't call build_classic_dist_vector and build_classic_dir_vector.
3898 Update the parameters of initialize_data_dependence_relation and
3899 compute_all_dependences. Print the statistics from datadep_stats.
3900 (analyze_all_data_dependences): Static. Not used until the pass for
3901 checking the data dependences is contributed.
3902 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3903 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3904 (initialize_data_dependence_relation, compute_affine_dependence,
3905 analyze_all_data_dependences, compute_subscript_distance): Removed.
3906 (print_direction_vector): New.
3907 * lambda.h (gcd): ... here.
3908 (lambda_vector_gcd): Moved here from gcd_vector.
3909 * lambda-code.c (gcd, gcd_vector): Removed.
3910 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3911 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3913 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3915 * ipa-type-escape.c: Tidy some comments and white space.
3916 * tree-ssa-operands.c: Likewise.
3918 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3921 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3922 (dump_decl_name): Do not walk the decl tree chains.
3923 * tree-pass.h (TDF_CHAIN): Remove.
3925 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3927 * Makefile.in (C): Remove
3929 (.PHONY): Remove C and PROTO
3931 2006-02-20 Roger Sayle <roger@eyesopen.com>
3934 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3935 deprecated CHAR_TYPE tree code.
3937 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3939 * configure.ac (target_list): Add install-info, dvi, html.
3940 * configure: Regenerate.
3942 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3943 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3944 treelang/Make-lang.in: Do not use double-colon rules.
3946 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3948 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3949 (TMT_USED_ALONE): New macro.
3950 * tree-pass.h (PROP_tmt_usage): New property.
3951 (TODO_update_tmt_usage): New todo.
3952 * tree-ssa-alias.c (updating_used_alone): New variable.
3953 (recalculate_used_alone): New function.
3954 (compute_may_aliases): Set updating_used_alone, call
3955 recalculate_used_alone.
3956 * tree-sra.c (pass_sra): Note that this pass destroys
3957 PROP_tmt_usage, and add TODO_update_tmt_usage.
3958 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3959 * tree-flow.h (updating_used_alone): Prototype.
3960 (recalculate_used_alone): Ditto.
3961 * passes.c (execute_todo): Add code to set updating_used_alone,
3962 and call recalculate.
3963 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3964 for clobber if used alone, and add assert to verify used_alone
3967 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3969 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3970 for non tls symbols added.
3971 (legitimize_address): Do nothing for PLUS expressions if one of the
3972 addends is a tls symbol reference.
3974 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3978 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3980 * Makefile.in (BOOTSTRAPPING): New.
3981 (quickstrap): New definition if BOOTSTRAPPING=yes.
3983 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3984 * configure.ac: Substitute all_selected_languages with the languages
3985 that were configured. For all the other variables except
3986 lang_specs_files, include all the languages in the tree.
3987 * configure: Regenerate.
3989 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3990 if there is one. Run the commands to run fixincludes in the same
3993 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3994 * doc/install.texi: Document exact conventions for searching target tools.
3995 Document --with-build-time-tools. Document toplevel bootstrap. Document
3996 something more about building an Ada cross-compiler. Don't list GNU Make
3997 requirements which affect all platforms.
3999 2006-02-19 Roger Sayle <roger@eyesopen.com>
4002 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4003 only equivalent if the have both the same mode and precision.
4005 2006-02-20 Ben Elliston <bje@au.ibm.com>
4007 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4009 2006-02-19 Roger Sayle <roger@eyesopen.com>
4010 Steven Bosscher <stevenb.gcc@gmail.com>
4012 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4013 constant pool references to identify stack mode constants.
4014 * rtlanal.c (constant_pool_constant_p): New predicate to check
4015 whether operand is a floating point constant in the pool.
4016 * rtl.h (constant_pool_constant_p): Prototype here.
4017 * loop.c (scan_loop): Avoid hoisting constants from the constant
4018 pool on STACK_REGS targets.
4019 (load_mems): Likewise.
4020 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4021 loads into x87 registers expensive in terms of register pressure.
4023 2006-02-19 Roger Sayle <roger@eyesopen.com>
4025 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4026 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4028 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4030 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4031 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4033 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4035 * doc/invoke.texi: Document -fipa-pta.
4036 * common.opt: Add ipa-pta option.
4037 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4038 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4039 (do_ds_constraint): Ditto.
4040 (get_constraint_for): Only add to referenced_vars if
4041 referenced_vars exists.
4042 (insert_into_field_list): Rewrite to do this unsorted.
4043 (insert_into_field_list_sorted): Rename old insert_into_field_list
4045 (create_function_info_for): Use insert_into_field_list_sorted.
4046 (create_variable_info_for): Rewrite so it uses unsorted version,
4047 since the field list is sorted.
4048 (intra_create_variable_infos): Only add to referenced_vars if
4049 referenced_vars exists.
4050 (ipa_pta_execute): Init heapvars, and delete when done.
4051 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4053 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4055 * doc/install.texi: Add missing `@samp'.
4057 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4059 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4062 2006-02-18 Mark Wielaard <mark@klomp.org>
4064 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4065 who added new 4.1 features, bug fixes and integration support.
4067 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4070 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4073 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4075 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4076 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4077 (copy_insn_1): Likewise. Don't copy each field individually.
4079 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4081 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4082 * rtl.c (rtx_size): Rename variable to...
4083 (rtx_code_size): ...this.
4084 (rtx_size): New function.
4085 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4086 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4088 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4089 * rtl.h (rtx_code_size): New variable.
4090 (rtx_size): Change from a variable to a function.
4091 (RTX_SIZE): Rename to...
4092 (RTX_CODE_SIZE): ...this.
4095 PR tree-optimization/17106
4096 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4097 (Anchored Addresses): New section.
4098 * doc/invoke.texi (-fsection-anchors): Document.
4099 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4100 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4101 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4102 * hooks.c (hook_bool_mode_rtx_false): New function.
4103 * hooks.h (hook_bool_mode_rtx_false): Declare.
4104 * gengtype.c (create_optional_field): New function.
4105 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4106 SYMBOL_REF_IN_BLOCK_P is true.
4107 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4108 (min_anchor_offset, max_anchor_offset): Likewise.
4109 (use_anchors_for_symbol_p): New hook.
4110 * toplev.c (compile_file): Call output_object_blocks.
4111 (target_supports_section_anchors_p): New function.
4112 (process_options): Check that -fsection-anchors is only used on
4113 targets that support it and when -funit-at-a-time is in effect.
4114 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4115 if the decl doesn't have one.
4116 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4117 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4118 of force_const_mem through use_anchored_address.
4119 (expand_expr_constant): New function.
4120 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4121 calling expand_expr for INDIRECT_REF.
4122 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4123 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4124 * expr.h (use_anchored_address): Declare.
4125 * loop-unroll.c: Don't declare rtx vectors here.
4126 * explow.c: Include output.h.
4127 (validize_mem): Call use_anchored_address.
4128 (use_anchored_address): New function.
4129 * common.opt (-fsection-anchors): New switch.
4130 * varasm.c (object_block_htab, anchor_labelno): New variables.
4131 (hash_section, object_block_entry_eq, object_block_entry_hash)
4132 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4133 (use_blocks_for_decl_p, change_symbol_section): New functions.
4134 (get_variable_section): New function, split out from assemble_variable.
4135 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4136 use_blocks_for_decl_p say so. Use change_symbol_section if the
4137 symbol has already been created.
4138 (assemble_variable_contents): New function, split out from...
4139 (assemble_variable): ...here. Don't output any code for
4140 block symbols; just pass them to place_block_symbol.
4141 Use get_variable_section and assemble_variable_contents.
4142 (get_constant_alignment, get_constant_section, get_constant_size): New
4143 functions, split from output_constant_def_contents.
4144 (build_constant_desc): Create a block symbol if use_object_blocks_p
4145 says so. Or into SYMBOL_REF_FLAGS.
4146 (assemble_constant_contents): New function, split from...
4147 (output_constant_def_contents): ...here. Don't output any code
4148 for block symbols; just pass them to place_section_symbol.
4149 Use get_constant_section and get_constant_alignment.
4150 (force_const_mem): Create a block symbol if use_object_blocks_p and
4151 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4152 (output_constant_pool_1): Add an explicit alignment argument.
4153 Don't switch sections here.
4154 (output_constant_pool): Adjust call to output_constant_pool_1.
4155 Switch sections here instead. Don't output anything for block symbols;
4156 just pass them to place_block_symbol.
4157 (init_varasm_once): Initialize object_block_htab.
4158 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4159 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4160 (place_block_symbol, get_section_anchor, output_object_block)
4161 (output_object_block_htab, output_object_blocks): New functions.
4162 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4163 (TARGET_ASM_OUT): Include it.
4164 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4165 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4166 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4167 (TARGET_INITIALIZER): Include them.
4168 * rtl.c (rtl_check_failed_block_symbol): New function.
4169 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4170 (block_symbol, object_block): New structures.
4171 (rtx_def): Add a block_symbol field to the union.
4172 (BLOCK_SYMBOL_CHECK): New macro.
4173 (rtl_check_failed_block_symbol): Declare.
4174 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4175 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4176 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4177 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4178 * output.h (output_section_symbols): Declare.
4179 (object_block): Name structure.
4180 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4181 (default_use_anchors_for_symbol_p): Declare.
4182 * Makefile.in (RTL_BASE_H): Add vec.h.
4183 (explow.o): Depend on output.h.
4184 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4185 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4186 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4187 (rs6000_use_blocks_for_constant_p): New function.
4189 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4191 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4193 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4196 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4199 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4201 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4205 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4208 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4209 instead of DECL_REGISTER.
4211 2006-02-18 Olivier Hainque <hainque@adacore.com>
4214 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4216 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4219 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4220 * opth-gen.awk: Handle Var and InverseMask together.
4221 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4222 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4223 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4224 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4226 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4227 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4228 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4229 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4230 LINUX_DYNAMIC_LINKER): Define.
4231 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4232 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4234 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4235 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4236 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4237 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4238 (TARGET_C99_FUNCTIONS): Don't define.
4239 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4240 GLIBC_DYNAMIC_LINKER.
4241 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4242 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4243 GLIBC_DYNAMIC_LINKER64): Define.
4244 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4245 LINUX_DYNAMIC_LINKER64.
4246 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4247 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4248 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4249 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4250 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4252 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4253 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4254 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4256 and LINUX_DYNAMIC_LINKER32.
4257 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4258 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4259 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4261 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4263 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4264 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4265 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4266 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4267 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4268 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4269 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4270 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4271 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4272 LINUX_DYNAMIC_LINKER): Define.
4273 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4274 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4275 GLIBC_DYNAMIC_LINKER64): Define.
4276 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4277 LINUX_DYNAMIC_LINKER64.
4278 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4279 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4280 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4281 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4282 LINUX_DYNAMIC_LINKER): Define.
4283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4284 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4285 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4286 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4287 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4288 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4289 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4290 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4291 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4292 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4294 * doc/invoke.texi (-muclibc): Remove caveat about supported
4297 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4299 * doc/cpp.texi (__TIMESTAMP__): Document.
4301 2006-02-17 Roger Sayle <roger@eyesopen.com>
4304 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4305 C is one less than the width of X (and related transformations).
4306 * simplify-rtx.c (simplify_unary_operation_1): Transform
4307 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4308 depending on STORE_FLAG_VALUE, were C is one less then the
4311 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4313 Fix PR tree-optimization/26341
4314 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4315 about NAME_MEMORY_TAG's.
4317 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4320 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4321 with hardware float support, and software float support. Add fcpy
4322 alternative to hardware patterns. Add alternatives to copy between
4323 general and floating-point registers to the 32-bit pattern.
4324 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4325 secondary reload to load a QI or HI mode constant into a floating
4327 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4328 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4330 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4333 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4335 (load_macho_picbase_di): Likewise.
4337 2006-02-16 Jeff Law <law@redhat.com>
4339 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4340 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4341 (ssa_name_nonzero_p): Likewise.
4342 (get_value_range): Return NULL if VRP is not running.
4343 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4344 VRP routines do not discover a range.
4345 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4346 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4347 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4348 (tree_expr_nonnegative_p): Similarly.
4349 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4350 (restore_nonzero_vars_to_original_value): Remove.
4351 (unsafe_associative_fp_binop): Remove.
4352 (tree_ssa_dominator_optimize): Remove initialization and
4353 finalization of nonzero_vars and nonzero_vars_stack.
4354 (dom_opt_initialize_block): No longer push marker on
4356 (dom_opt_finalize_block): No longer call
4357 restore_nonzero_vars_to_original_value.
4358 (record_equivalences_from_phis): No longer look for
4359 nonzero PHI arguments.
4360 (cprop_into_successor_phis): No longer propagate nonzero
4361 property into PHI arguments. Lose unused argument. Caller
4363 (record_equivalences_from_stmt): No longer record nonzero
4364 values for SSA_NAMEs.
4365 (lookup_avail_expr): No longer use nonzero_vars.
4367 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4368 for sizetype when sizetype is unsigned.
4370 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4372 PR rtl-optimization/25603
4373 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4374 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4375 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4376 with new meaning of SETS.
4378 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4383 * config/linux.opt: New file.
4384 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4385 LINUX_DYNAMIC_LINKER): Define.
4386 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4387 * config.gcc (*-*-linux*): Define extra_options.
4388 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4389 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4390 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4391 GLIBC_DYNAMIC_LINKER.
4392 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4393 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4394 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4395 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4396 * doc/invoke.texi (GNU/Linux Options): New section.
4398 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4400 * config/sparc/sparc.md (setjmp): Rewrite.
4401 (setjmp_32): Delete.
4402 (setjmp_64): Likewise.
4404 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4406 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4409 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4411 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4414 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4416 PR rtl-optimization/26296
4417 * Makefile.in (loop-invariant.c): Add except.h dependency.
4418 * loop-invariant.c: Include except.h.
4419 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4421 2005-02-16 Paul Brook <paul@codesourcery.com>
4423 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4426 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4428 PR rtl-optimization/25636
4429 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4430 when deciding whether an insn is an initializing insn.
4432 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4434 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4435 (tree_code_size): Ditto.
4436 * tree.h (struct tree_memory_tag): Remove parent_var.
4437 (struct tree_struct_field_tag): New.
4440 (union tree_node): Add sft member.
4441 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4443 (create_sft): Add size and offset argument, set SFT_OFFSET and
4445 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4446 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4447 * tree-flow-inline.h (get_subvar_at): Update for
4448 SFT_OFFSET/SFT_SIZE.
4449 (var_can_have_subvars): Ditto.
4450 (overlap_subvar): Ditto.
4451 * print-tree.c (print_node): Print out interesting things for
4453 * tree-flow.h (struct subvar): Remove offset and size members.
4454 * tree-ssa-operands.c (get_expr_operands): Update for
4455 get_indirect_ref_operands changes.
4456 (get_indirect_ref_operands): Call add_virtual_operand instead of
4457 add_stmt_operand. Only recurse on base var if requested.
4458 (access_can_touch_variable): New function.
4459 (add_stmt_operand): Split virtual operand handling into ...
4460 (add_virtual_operand): Here. Add offset, size, and for_clobber
4461 arguments. Prune alias sets.
4462 (add_call_clobber_ops): Call add_virtual_operand.
4464 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4467 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4469 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4470 than TREE_CODE as index into omp_clause_num_ops array.
4472 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4474 PR rtl-optimization/26184
4475 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4477 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4478 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4479 must_precede, must_follow and tobe_scheduled.
4482 * opts.c (common_handle_option): Free new_option pointer.
4483 * df-core.c (df_analyze): Free postorder pointer.
4485 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4487 * Makefile.in: Fix the examples about the use of stamps
4489 2006-02-15 Michael Matz <matz@suse.de>
4493 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4494 influenced by maximum_field_alignment or DECL_PACKED.
4495 (update_alignment_for_field): Ditto.
4496 (place_field): Ditto.
4497 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4500 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4502 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4503 (debug_flow_info): Pass it.
4504 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4505 * bb-reorder.c (reorder_basic_blocks): Likewise.
4506 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4507 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4508 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4509 * gcse.c (gcse_main, bypass_jumps): Likewise.
4510 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4511 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4512 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4513 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4514 * rtl.h (dump_flow_info): Adjust prototype.
4515 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4516 * var-tracking.c (variable_tracking_main): Likewise.
4517 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4518 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4521 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4523 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4526 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4528 PR tree-optimization/26209
4529 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4530 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4532 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4534 2006-02-14 Roger Sayle <roger@eyesopen.com>
4537 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4538 (X,Y) and the corresponding symmetry related transformations.
4539 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4540 (X,Y) and its symmetry related transformations.
4542 2006-02-14 Roger Sayle <roger@eyesopen.com>
4544 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4547 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4549 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4551 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4554 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4555 support COMDAT group.
4556 * configure: Regenerate.
4558 2006-02-14 Roger Sayle <roger@eyesopen.com>
4563 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4565 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4567 Fix PR tree-optimization/26260
4569 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4571 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4572 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4573 * tree-ssa-structalias.c (create_variable_info_for): Use
4574 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4576 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4578 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4580 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4581 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4582 of the ending condition.
4583 * tree-ssa-loop-manip.c: Include params.h.
4584 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4585 tree_unroll_loop): New functions.
4586 * tree-pass.h (pass_loop_prefetch): Declare.
4587 * loop.c (rest_of_handle_loop_optimize): Test for
4588 -fprefetch-loop-arrays-rtl.
4589 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4590 * timevar.def (TV_TREE_PREFETCH): New timevar.
4591 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4592 pass_loop_prefetch): New.
4593 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4594 (cleanup_tree_cfg_loop): Call scev_reset.
4595 * common.opt (fprefetch-loop-arrays-rtl): Add.
4596 * tree-ssa-loop-prefetch.c: New file.
4597 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4598 (new_temp_expr_table): Initialize expr_vars.
4599 (free_temp_expr_table): Cleanup expr_vars.
4600 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4601 expressions from being merged into one.
4602 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4603 (struct tree_niter_desc): Add control, bound and cmp fields.
4604 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4606 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4607 (tree-cfgcleanup.o): Add SCEV_H dependency.
4608 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4609 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4611 2006-02-14 Richard Guenther <rguenther@suse.de>
4613 PR tree-optimization/26258
4614 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4615 in PHI argument processing.
4617 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4619 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4620 new expression in the requested machine mode.
4622 2006-02-13 Roger Sayle <roger@eyesopen.com>
4624 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4625 directly, instead let do_compare_rtx_and_jump handle this for us.
4626 * expr.c (expand_expr_real_1): Likewise.
4627 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4628 before do_jump_by_parts_greater.
4629 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4630 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4632 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4634 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4636 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4638 PR rtl-optimization/26235
4639 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4640 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4643 2006-02-13 Jeff Law <law@redhat.com>
4645 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4648 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4651 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4652 twice if decl is a builtin. When trying again, call get_callee_fndecl
4653 first to verify it is still a builtin.
4655 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4657 * dwarf2out.c (base_type_die): Don't add AT_name here.
4658 (subrange_type_die): Don't add AT_name here.
4659 (modified_type_die): Rearrange code flow. Do add AT_name here.
4661 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4663 PR rtl-optimization/26247
4664 PR rtl-optimization/26248
4665 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4667 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4669 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4670 * config/fixtfdi.c: Likewise.
4671 * config/fixunstfdi.c: Likewise.
4672 * config/floatditf.c: Likewise.
4674 2006-02-13 Roger Sayle <roger@eyesopen.com>
4677 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4678 into (X,C2) if C1 is a subset of the bits of C2. Transform
4679 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4681 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4683 2006-02-13 Josh Conner <jconner@apple.com>
4686 * varasm.c (function_section): Check for section name before
4687 calling select_section on targets that define
4688 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4689 unlikely_text_section instead of hot_function_section if
4690 first_function_block_is_cold.
4692 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4695 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4697 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4699 PR rtl-optimization/26222
4700 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4701 after tree->rtl expansion.
4702 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4703 before passing it to emit_move_insn.
4705 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4707 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4709 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4710 Clarify documentation.
4711 * c-common.h (warn_write_strings): Remove.
4712 * c-common.c (warn_write_strings): Likewise.
4713 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4716 2006-02-12 Roger Sayle <roger@eyesopen.com>
4719 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4720 (do_jump_parts_zero_rtx): New function renamed from
4721 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4722 (do_jump_parts_equality_rtx): New function split out from
4723 do_jump_parts_equality. Old implementation renamed as above.
4724 Call do_jump_parts_zero_rtx if either operand is zero.
4725 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4726 do all of the heavy lifting.
4727 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4728 calling either do_jump_by_parts_greater_rtx or
4729 do_jump_by_parts_equality_rtx.
4730 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4731 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4732 moved to do_compare_rtx_and_jump, call it directly.
4733 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4734 mode argument. Call do_compare_rtx_and_jump.
4735 (emit_case_nodes): Update calls to do_jump_if_equal.
4737 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4739 PR rtl-optimization/26225
4740 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4742 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4744 PR rtl-optimization/26232
4745 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4747 2006-02-11 Jason Merrill <jason@redhat.com>
4750 * tree-inline.c (declare_return_variable): Just don't use the
4751 modify target if it's a gimple complex reg and the return slot
4754 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4756 * doc/contrib.texi: Update my entry.
4758 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4760 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4762 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4764 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4767 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4769 * doc/invoke.texi (-floop-optimize2): Removed.
4770 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4771 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4772 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4773 * common.opt (floop-optimize2): Removed.
4774 (fmove-loop-invariants): Enabled by default.
4776 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4778 * tree-if-conv.c (combine_blocks): Free the result of
4779 get_loop_exit_edges.
4781 2006-02-10 Jeff Law <law@redhat.com>
4783 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4785 PR tree-optimization/26213
4786 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4787 loop trying to follow SSA_NAME_VALUE chains.
4789 2006-02-10 Richard Guenther <rguenther@suse.de>
4791 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4792 deal with structures that end in implicitly variable sized arrays.
4794 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4796 PR rtl-optimization/24762
4797 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4800 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4802 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4803 (struct ivopts_data): Add regs_used field.
4804 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4805 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4806 instead of loop_data->regs_used;
4807 (free_loop_data): Do not free aux fields for loops.
4808 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4809 and tree_ssa_iv_optimize_finalize.
4811 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4813 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4815 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4818 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4819 computing the effective result type.
4821 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4824 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4825 (tree_overlaps_hard_reg_set): Declare.
4826 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4827 type and signature to match function type expected by walk_tree.
4828 (tree_overlaps_hard_reg_set): New function.
4829 (decl_conflicts_with_clobbers_p): Rename to:
4830 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4831 Use tree_overlaps_hard_reg_set. Changed caller.
4832 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4833 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4834 * cris.c (cris_md_asm_clobbers): Likewise.
4836 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4838 * reload1.c (emit_input_reload_insns): Delete code that tries to
4839 inherit using find_equiv_reg.
4841 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4843 * c-common.h (flag_const_strings): Don't declare.
4844 * c-common.c (flag_const_strings): Remove.
4845 * c.opt (fconst_strings): Remove.
4846 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4847 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4848 (c_common_init_options): Don't set flag_const_strings.
4849 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4851 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4853 * arm.md (tlobits_cbranch): New pattern.
4854 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4855 testing a single bit.
4857 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4860 * tree-ssa-pre.c (create_component_ref_by_pieces):
4861 Handle RETURN_DECL like VAR_DECL.
4863 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4866 * fold-const.c (fold_indirect_ref_1): Fold
4867 "*(foo *)&complexfoo" to "__real__ complexfoo"
4868 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4870 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4872 * tree-flow-inline.h (var_can_have_subvars):
4873 Volatile variables should not have subvariables.
4875 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4878 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4879 multiplying unsigned values.
4882 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4884 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4886 2006-02-08 Jason Merrill <jason@redhat.com>
4889 * tree.def: Elaborate on difference from MODIFY_EXPR.
4890 * doc/c-tree.texi (INIT_EXPR): Likewise.
4891 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4892 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4893 (gimplify_target_expr): Likewise.
4894 (gimplify_cond_expr): Remove target handling.
4895 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4896 (gimplify_expr): Clobber it here.
4897 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4898 Do return slot optimization if we have an INIT_EXPR.
4901 * tree-inline.c (declare_return_variable): Also clear
4902 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4905 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4908 * gimplify.c (gimplify_one_sizepos): Fix typo.
4910 2006-02-08 Jeff Law <law@redhat.com>
4912 PR tree-optimization/21417
4913 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4914 across a backedge if the control statement at the end of the
4915 block is data dependent on other statements in the same block.
4916 (record_temporary_equivalences_from_stmts): Remove over-conservative
4917 test for threading across backedges.
4919 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4920 control statement, handle all three special cases in the same
4921 manner as they all have the same desired solution. No longer
4922 special case edge flag updating when the post dominator is
4925 2006-02-08 Roger Sayle <roger@eyesopen.com>
4927 * tree.def (CHAR_TYPE): Remove.
4928 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4929 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4930 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4931 (gen_string_type_die): Delete unreachable function.
4933 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4934 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4935 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4936 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4937 * builtins.c (type_to_class): Likewise.
4938 * fold-const.c (fold_convert, build_range_check,
4939 merge_ranges): Likewise.
4940 * expr.c (count_type_elements): Likewise.
4941 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4942 * stor-layout.c (layout_type): Likewise.
4943 * ipa-type-escape.c (type_to_consider): Likewise.
4944 * gimplify.c (omp_firstprivatize_type_sizes,
4945 gimplify_type_sizes): Likewise.
4946 * explow.c (promote_mode): Likewise.
4947 * tree-sra.c (is_sra_scalar_type): Likewise.
4948 * varasm.c (output_constant): Likewise.
4949 * tree-inline.c (remap_type_1): Likewise.
4950 * convert.c (convert_to_pointer, convert_to_real,
4951 convert_to_integer, convert_to_complex): Likewise.
4953 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4955 * df-scan.c (df_def_record_1): A set destination may
4956 be a parallel regardless of mode.
4958 2006-02-08 Roger Sayle <roger@eyesopen.com>
4961 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4962 * config/mips/_tilib.c: Remove.
4963 * config/fixtfdi.c: New libgcc source file.
4964 * config/fixunstfdi.c: New source file.
4965 * config/floatditf.c: New source file.
4966 * config/floatunditf.c: New souce file.
4967 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4968 files above instead of config/mips/_tilib.c.
4969 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4971 2006-02-08 Jeff Law <law@redhat.com>
4973 PR tree-optimization/26169
4974 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4977 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4979 * df.h (DF_REG_SIZE): Return the length of the initialized
4982 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4984 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4985 __muldf3): Return a correctly signed zero.
4987 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4989 * passes.c (register_one_dump_file): Accept the current properties
4990 instead of pass number. Adjust call to dump_register. Remove
4992 (register_dump_files): Now a wrapper around...
4993 (register_dump_files_1): ... this one. Do not modify the pass
4995 (next_pass_1): Cosmetic fix.
4996 (execute_todo): Keep second parameter only. Use curr_properties
4997 instead of fetching it from the pass structure. Check and set
4999 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5000 instead of fetching it from the pass structure. Fix calls to
5001 execute_todo. Update curr_properties and initialize .vcg RTL dump
5002 after running the pass. Reset last_verified.
5003 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5005 (FIRST_AUTO_NUMBERED_DUMP): New.
5006 (dump_register): Remove "num" parameter, assign it within the
5008 (get_dump_file_name): Modify template for dumps.
5009 * tree-dump.h (dump_register): Adjust prototype.
5010 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5011 (PROP_trees): Add PROP_gimple_lomp.
5012 (TODO_set_props): New.
5013 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5014 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5015 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5017 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5019 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5020 (sparc64-*-linux*): Likewise.
5021 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5022 * config/sparc/t-linux: New file.
5023 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5024 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5025 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5026 -m32 -mlong-double-128.
5028 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5029 * config/alpha/t-linux: New file.
5030 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5032 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5033 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5034 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5035 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5036 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5037 (CPP_ARCH32_SPEC): Remove.
5039 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5041 PR tree-optimization/26145
5042 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5045 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5048 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5049 >= 240000 when generating code for SOM runtime.
5050 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5051 to $$dyncall when generating code for SOM runtime..
5053 2006-02-07 Dirk Mueller <dmueller@suse.com>
5056 * doc/invoke.texi (-Wsequence-point): Update documentation
5057 that -Wsequence-point is implemented for C++ as well.
5059 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5061 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5062 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5063 (LIB_SPEC): Likewise.
5064 * doc/invoke.texi (SPARC options): Document -pthread.
5066 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5068 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5071 2006-02-07 Roger Sayle <roger@eyesopen.com>
5073 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5074 Correct comment describing BOOLEAN_TYPE.
5076 2006-02-07 Dirk Mueller <dmueller@suse.com>
5078 * c.opt: C++ frontend supports -Wdiv-by-zero.
5079 * c-opts.c (c_common_handle_option): Remove dead case.
5081 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5083 * configure.ac (TLS assembler check): Do not enable TLS by
5084 default on SPARC/Solaris before version 10.
5085 * configure: Regenerate.
5087 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5089 * doc/invoke.texi (xl-compat): Document conversion and support
5092 2006-02-07 Jeff Law <law@redhat.com>
5094 * tree-vrp.c (find_conditional_asserts): Update comments.
5095 (simplify_stmt_for_jump_threading): New.
5096 (identify_jump_threads, finalize_jump_threads): New.
5097 (vrp_finalize): Call identify_jump_threads.
5098 (execute_vrp): Call finalize_jump_threads.
5099 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5100 (vrp_element, vrp_data, vrp_element_p): Remove.
5101 (vrp_hash_elt, vrp_variables_stack): Remove.
5102 (vrp_hash, vrp_eq, record_range): Remove.
5103 (simplify_cond_and_lookup_avail_expr): Remove.
5104 (extract_range_from_cond): Remove.
5105 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5106 (simplify_stmt_for_jump_threading): New.
5107 (dom_thread_across_edge): New wrapper.
5108 (tree_ssa_dominator_optimize): No longer initialize or
5109 finalize any of the VRP datastructures. Remove iteration
5110 step and simplify as a result of removal of iteration step.
5111 (pass_dominator): Perform a cfg cleanup after DOM.
5112 (dom_opt_finalize_block): Use the new common routines
5113 for threading jumps. Simplify stack management slightly.
5114 No longer need to unwind VRP state.
5115 (record_equivalences_from_incoming_edge): No longer record
5117 (eliminate_redundant_computations): No longer call
5118 simplify_cond_and_lookup_avail_expr.
5119 * tree-flow.h (potentially_threadable_block): Prototype.
5120 (thread_across_edge): Likewise.
5121 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5122 (tree-ssa-threadedge.o): Add dependencies.
5123 * tree-ssa-threadedge.c: New file.
5124 * passes.c (init_optimization_passes): Merge PHIs before
5125 calling VRP. Run VRP again late in the SSA optimization pipeline.
5127 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5129 * df-core.c (df_set_blocks): Do not dereference function pointers.
5130 (df_finish1): Likewise.
5131 (df_hybrid_search_forward): Likewise.
5132 (df_hybrid_search_backward): Likewise.
5133 (df_iterative_dataflow): Likewise.
5134 (df_analyze_problem): Likewise.
5135 (df_compact_blocks): Likewise.
5136 (df_dump): Likewise.
5137 * df-scan.c (df_rescan_blocks): Likewise.
5138 (df_record_entry_block_defs): Likewise.
5140 * genconditions.c (write_conditions): Guard the definition of
5141 'insn_conditions' with the check on GCC version.
5142 (write_writer): Guard the traversal 'insn_conditions' with
5143 the check on GCC version.
5145 2006-02-07 Richard Guenther <rguenther@suse.de>
5149 2006-01-30 Richard Guenther <rguenther@suse.de>
5151 * gimplify.c (gimplify_target_expr): Handle easy cases
5152 without creating a temporary.
5154 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5156 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5157 use of float in probability computations. Use edge probabilities
5158 in place of statically computed probabilities.
5159 (min_spec_prob): New static variable.
5160 (schedule_insns): Initialize it.
5161 (GET_SRC_PROB): Removed.
5162 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5164 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5167 * config/ia64/unwind-ia64.c: Revert last change.
5168 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5169 (INCOMING_FRAME_SP_OFFSET): Define.
5171 2006-02-06 Roger Sayle <roger@eyesopen.com>
5173 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5175 2006-02-07 Ben Elliston <bje@au.ibm.com>
5177 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5178 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5179 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5180 (ix86_return_in_memory): Handle TDmode.
5181 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5182 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5184 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5186 * reorg.c (dbr_schedule): Use dump_file instead of file.
5188 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5191 * config/ia64/predicates.md (extr_len_operand): New predicate.
5192 * config/ia64/ia64.md (extv): Tighten constraints.
5194 (*tbit_and_2): Ditto.
5195 (*tbit_and_3): Ditto.
5196 (*tbit_or_2): Ditto.
5197 (*tbit_or_3): Ditto.
5201 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5204 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5206 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5208 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5209 loop_optimizer_init and loop_optimizer_finalize
5210 * tree-ssa-sink.c (execute_sink_code): Ditto.
5211 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5212 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5213 tree_ssa_loop_done): Ditto.
5214 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5215 * sched-ebb.c: Include output.h.
5216 (schedule_ebbs): Do not use dump argument.
5217 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5218 * loop.c (loop_dump_stream): Removed.
5219 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5221 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5222 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5223 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5224 loop_iterations, strength_reduce, record_biv, record_giv,
5225 final_giv_value, check_final_value, check_ext_dependent_givs,
5226 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5227 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5228 dump_file instead of loop_dump_stream.
5229 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5231 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5233 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5234 * haifa-sched.c: Include output.h
5235 (schedule_insns, sched_init): Do not use dump argument.
5236 * mode-switching.c (optimize_mode_switching): Ditto.
5237 * modulo-sched.c (stats_file): Removed.
5238 (print_node_sched_params): Do not call argument dump_file.
5239 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5240 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5242 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5244 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5245 rtl_loop_init, rtl_loop_done): Ditto.
5246 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5247 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5249 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5250 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5251 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5252 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5253 * emit-rtl.c (renumber_insns): Ditto.
5254 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5255 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5256 * regclass.c (regclass): Ditto.
5257 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5258 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5259 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5260 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5262 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5263 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5265 * gcse.c (gcse_file, debug_stderr): Removed.
5266 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5267 rest_of_handle_gcse): Do not use dump argument.
5268 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5269 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5270 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5271 compute_code_hoist_vbeinout, compute_code_hoist_data,
5272 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5273 compute_store_table, build_store_vectors, insert_insn_start_bb,
5274 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5275 store_motion): Use dump_file instead of gcse_file.
5276 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5277 * profile.c (profile_dump_file): Removed.
5278 (branch_prob): Use dump_file instead of profile_dump_file.
5279 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5281 * tree-ssa-copy.c (dump_copy_of): Ditto.
5282 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5283 dump file to life_analysis.
5284 * bt-load.c (branch_target_load_optimize): Ditto.
5285 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5287 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5288 regclass, dbr_schedule): Declaration changed.
5289 * sched-int.h (sched_init): Declaration changed.
5290 * tree-profile.c (tree_profile_dump_file): Removed.
5291 (tree_profile_hooks): Removed profile_dump_file hook.
5292 * rtl-profile (rtl_profile_dump_file): Removed.
5293 (rtl_profile_hooks): emoved profile_dump_file hook.
5294 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5296 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5297 * tree-cfg.c (build_tree_cfg): Ditto.
5298 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5299 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5300 Declaration changed.
5301 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5302 life_analysis and schedule_insns.
5303 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5305 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5307 * config/mips/mips.c (mips_reorg): Ditto.
5308 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5311 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5313 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5314 (s390_mangle_fundamental_type): New.
5315 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5318 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5319 (alpha_mangle_fundamental_type): New.
5320 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5323 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5325 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5327 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5328 (sparc_mangle_fundamental_type): New.
5330 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5332 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5333 (s390x-*-linux*): Likewise.
5334 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5335 * config/s390/t-linux: New file.
5337 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5339 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5340 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5342 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5344 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5345 (ANTIC_SAFE_LOADS): New macro.
5346 (find_or_generate_expression): Add prototype.
5347 (set_contains_value): Allow null set for sake of not always having
5348 to allocate ANTIC_SAFE_LOADS.
5349 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5350 Allow COMPONENT_REF too.
5351 (valid_in_set): Allow COMPONENT_REF.
5352 Check ANTIC_SAFE_LOADS too.
5353 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5354 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5356 (can_PRE_operation): Add COMPONENT_REF.
5357 (create_component_ref_by_pieces): New function.
5358 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5359 (insert_aux): Move AGGREGATE_TYPE_P check here.
5360 (compute_avail): Set bb local stmt uids.
5361 (pass_pre): Use TODO_update_ssa_only_virtuals.
5363 2006-02-06 Ben Elliston <bje@au.ibm.com>
5365 * configure.ac: Unconditionally disable decimal float by default.
5366 * configure: Regenerate.
5368 2006-02-06 Ben Elliston <bje@au.ibm.com>
5370 * read-rtl.c (read_name): Terminate reading on EOF.
5372 2006-02-06 Ben Elliston <bje@au.ibm.com>
5374 * dfp.c (decimal_real_arithmetic): Change second argument type
5375 from int to enum tree_code. Do not always return true, but now
5376 return result of any call to decimal_do helper functions.
5377 * dfp.h (decimal_real_arithmetic): Update prototype.
5379 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5381 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5383 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5386 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5389 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5391 * tree-vrp.c (cfg_loops): Removed.
5392 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5393 Use current_loops instead of cfg_loops. Pass flags to
5394 loop_optimizer_init.
5395 * cfgloopmanip.c (fix_loop_structure): Update only available
5397 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5398 loop_optimizer_init.
5399 * modulo-sched.c (build_loops_structure): Removed.
5400 (sms_schedule): Use loop_optimizer_init.
5401 * loop-init.c (loop_optimizer_init): Use flags to determine
5402 which properties of loops to prepare.
5403 (rtl_loop_init): Pass flags to loop_optimizer_init.
5404 * tree-ssa-sink.c (execute_sink_code): Ditto.
5405 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5406 * tree-ssa-pre.c (init_pre): Ditto.
5407 * cfgloop.h (LOOPS_NORMAL): New.
5408 (loop_optimizer_init): Declaration changed.
5410 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5412 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5413 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5415 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5417 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5419 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5420 * pa/t-pa64: Delete quadlib.c rule.
5421 * pa/x-ada: Revert last change.
5422 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5424 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5426 PR rtl-optimization/26087
5427 * rtlanal.c (canonicalize_condition): Do not cross basic block
5430 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5433 * config/ia64/ia64.c: Include debug.h.
5434 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5435 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5436 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5437 (process_epilogue, process_set, process_for_unwind_directive):
5438 Output unwind info only if requested. Add CFA info if requested.
5439 Add new arguments as needed. Adjust callers.
5440 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5442 (DWARF2_FRAME_INFO): Define to zero.
5443 * config/ia64/unwind-ia64.c: Remove code that compensated for
5444 the CFA offset error fixed above.
5445 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5446 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5447 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5448 -funwind-tables and -fexceptions to enable frame info.
5449 (dwarf2out_frame_init): Define initial CFA even if
5450 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5451 DWARF2_UNWIND_INFO is nonzero, not just defined.
5452 (dwarf2out_frame_finish): Output non-EH call frame info only
5453 if DWARF2_FRAME_INFO is nonzero.
5454 (convert_cfa_to_loc_list,
5455 compute_frame_pointer_to_cfa_displacement): Define even if
5456 unwind info is not supported.
5457 (gen_subprogram_die): Use the above unconditionally. Remove
5458 legacy alternate code.
5459 * toplev.c (compile_file): Compile in call to
5460 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5461 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5463 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5464 Jakub Jelinek <jakub@redhat.com>
5466 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5467 IBM extended float format long double as "g" on powerpc*-linux.
5469 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5472 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5473 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5475 2006-02-03 Jason Merrill <jason@redhat.com>
5478 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5481 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5482 on the return slot if it's an NRV.
5484 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5486 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5487 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5488 rewrite_use): Do not handle USE_OUTER.
5489 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5490 add_iv_outer_candidates, may_replace_final_value,
5491 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5492 (find_interesting_uses_op): Functionality of
5493 find_interesting_uses_outer_or_nonlin moved here.
5494 (find_interesting_uses_outside): Use find_interesting_uses_op.
5496 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5499 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5501 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5502 Ulrich Weigand <uweigand@de.ibm.com>
5505 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5506 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5507 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5508 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5510 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5511 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5512 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5513 Define secondary reloads for TFmode moves.
5514 (constant_modes): Add TFmode.
5515 (NR_C_MODES): Set to 8.
5516 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5518 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5519 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5520 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5521 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5522 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5523 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5524 (FPR mode macro): Add TFmode.
5525 (DSF mode macro): New.
5526 (<de>, <dee> mode attributes): Removed.
5527 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5528 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5529 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5530 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5531 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5532 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5533 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5534 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5535 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5536 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5537 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5538 "*negabs<mode>2", "sqrt<mode>2"):
5539 Changed <de> to <xde>. R constraint replaced by <Rf>.
5540 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5542 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5543 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5544 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5546 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5547 "extenddftf2", "extendsftf2"): New expanders.
5548 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5549 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5550 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5551 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5553 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5554 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5555 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5556 __floatditf): Add a GCC_4.1.0 symbol version tag.
5557 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5560 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5563 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5564 Use targetm.binds_local_p instead of TREE_PUBLIC.
5566 2006-02-02 Roger Sayle <roger@eyesopen.com>
5568 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5569 on INTEGER_TYPEs to indicate that it denotes a character type.
5570 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5571 signed_char_type_node, unsigned_char_type_node and char_type_node.
5572 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5573 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5574 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5576 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5577 Daniel Berlin <dberlin@dberlin.org>
5579 * tree-tailcall.c (arg_needs_copy_p): New function.
5580 (eliminate_tail_call): Use arg_needs_copy_p.
5581 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5582 (add_virtual_phis): New function.
5584 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5586 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5587 #ignore instead of #scratch for %g7 .register directive.
5589 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5591 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5594 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5596 * flow.c (calculate_global_regs_live): Assert that there aren't any
5599 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5601 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5603 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5604 bsi_after_labels iterator.
5605 * tree-if-conv.c (find_phi_replacement_condition,
5606 replace_phi_with_cond_modify_expr): Likewise.
5607 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5608 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5610 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5612 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5614 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5617 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5618 array after growing it.
5620 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5623 * fold-const.c (fold_checksum_tree): Change type of buf.
5625 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5627 * reload.c (push_secondary_reload): Initialize t_icode.
5629 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5631 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5632 -msoft-float -mlong-double-128 only issue a warning, but don't
5633 swich to DFmode long double.
5635 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5637 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5638 has a constant equivalent, iterate over equivalents for arg0,
5639 calling simplify_relational_operation and if there's a result
5640 cheaper than X, apply fold_rtx and return the result.
5642 2006-02-01 Jan Hubicka <jh@suse.cz>
5644 * opts.c (no_unit_at_a_time_default): New global variable.
5645 (decode_options): Use it.
5646 * opts.h (no_unit_at_a_time_default): Declare.
5648 2006-02-01 Paul Brook <paul@codesourcery.com>
5650 * function.c (assign_parm_setup_reg): Use function argument promotion
5652 * expr.c (expand_expr_real_1): Use function argument promotion rules
5655 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5657 * gcc.c (process_command): Change j to 'unsigned int'.
5659 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5662 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5663 Use the corrected index for the character
5664 out of the string constant.
5666 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5668 * mode-switching.c (optimize_mode_switching): Fix size
5669 allocated for bb_info[n_entities].
5671 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5673 * gcc.c (main): Correct type that is allocated for
5674 explicit_link_files.
5676 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5678 * config/s390/s390.c (init_alignment_context): Set
5679 ALIAS_SET_MEMORY_BARRIER on the MEM.
5680 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5682 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5685 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5687 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5690 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5692 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5693 * regrename.c: Ditto.
5694 * tree-ssa-loop-im.c: Ditto.
5695 * tree-dump.c: Ditto.
5696 * tree-complex.c: Ditto.
5697 * genrecog.c: Ditto.
5698 * tree-ssa-threadupdate.c: Ditto.
5700 * java/class.c: Ditto.
5701 * java/jcf-parse.c: Ditto.
5702 * java/resource.c: Ditto.
5703 * java/except.c: Ditto.
5704 * java/jvspec.c: Ditto.
5705 * java/jcf-write.c: Ditto.
5706 * java/jcf-path.c: Ditto.
5707 * java/gjavah.c: Ditto.
5708 * java/zextract.c: Ditto.
5709 * java/jcf-io.c: Ditto.
5710 * java/jcf.h: Ditto.
5711 * java/buffer.c: Ditto.
5712 * java/lang.c: Ditto.
5713 * java/parse-scan.y: Ditto.
5714 * java/lex.c: Ditto.
5715 * java/lex.h: Ditto.
5716 * cfgloopmanip.c: Ditto.
5717 * postreload-gcse.c: Ditto.
5718 * tree-ssa-loop-manip.c: Ditto.
5719 * postreload.c: Ditto.
5720 * tree-ssa-loop-ch.c: Ditto.
5724 * diagnostic.c: Ditto.
5726 * genoutput.c: Ditto.
5728 * cfghooks.c: Ditto.
5729 * cfgloopanal.c: Ditto.
5730 * objc/objc-act.c: Ditto.
5732 * genextract.c: Ditto.
5733 * genautomata.c: Ditto.
5734 * pretty-print.c: Ditto.
5736 * cgraphunit.c: Ditto.
5739 * haifa-sched.c: Ditto.
5740 * dominance.c: Ditto.
5742 * tree-ssa-loop-ivopts.c: Ditto.
5744 * mode-switching.c: Ditto.
5745 * modulo-sched.c: Ditto.
5747 * ipa-pure-const.c: Ditto.
5749 * fix-header.c: Ditto.
5751 * tree-stdarg.c: Ditto.
5752 * ipa-utils.c: Ditto.
5753 * loop-init.c: Ditto.
5754 * ipa-inline.c: Ditto.
5757 * alloc-pool.c: Ditto.
5758 * dwarf2out.c: Ditto.
5760 * genattrtab.c: Ditto.
5761 * tree-ssa-loop-ivcanon.c: Ditto.
5765 * fortran/gfortranspec.c: Ditto.
5767 * local-alloc.c: Ditto.
5768 * langhooks.c: Ditto.
5769 * function.c: Ditto.
5770 * tree-vectorizer.c: Ditto.
5772 * ipa-type-escape.c: Ditto.
5774 * tree-if-conv.c: Ditto.
5777 * tree-data-ref.c: Ditto.
5778 * loop-unroll.c: Ditto.
5779 * treelang/treetree.c: Ditto.
5782 * ggc-common.c: Ditto.
5784 * coverage.c: Ditto.
5786 * tree-cfgcleanup.c: Ditto.
5787 * tree-ssa-pre.c: Ditto.
5788 * cfgcleanup.c: Ditto.
5789 * loop-invariant.c: Ditto.
5791 * ipa-prop.c: Ditto.
5792 * print-tree.c: Ditto.
5793 * conflict.c: Ditto.
5794 * ggc-page.c: Ditto.
5795 * sched-deps.c: Ditto.
5796 * regclass.c: Ditto.
5797 * tree-object-size.c: Ditto.
5799 * bb-reorder.c: Ditto.
5800 * resource.c: Ditto.
5801 * var-tracking.c: Ditto.
5803 * df-problems.c: Ditto.
5804 * reg-stack.c: Ditto.
5807 * sched-rgn.c: Ditto.
5808 * tree-ssa-structalias.c: Ditto.
5809 * tree-ssa-reassoc.c: Ditto.
5810 * config/darwin-c.c: Ditto.
5811 * config/darwin.c: Ditto.
5812 * config/arm/arm.c: Ditto.
5814 * collect2.c: Ditto.
5817 2006-01-31 Nicolas Pitre <nico@cam.org>
5819 * arm.md (smaxsi3): Make aware of smax_m1.
5822 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5824 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5826 2006-01-31 Richard Guenther <rguenther@suse.de>
5828 * doc/invoke.texi (-msselibm): Document.
5829 * target.h (expand_library_builtin): New target hook.
5830 * builtins.c (expand_builtin): Use expand_library_builtin.
5831 (default_expand_library_builtin): New function.
5832 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5833 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5834 (link_gcc_math_spec): Declare.
5835 (static_specs): Add link_gcc_math_spec.
5836 * expr.h (default_expand_library_builtin): Declare.
5837 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5838 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5839 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5840 * config/i386/i386.opt (msselibm): New target option.
5841 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5842 (ix86_init_sse_abi_builtins): New function.
5843 (ix86_expand_library_builtin): Likewise.
5844 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5845 (override_options): Handle error conditions wrt -msselibm.
5846 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5847 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5848 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5851 2006-01-31 Richard Guenther <rguenther@suse.de>
5852 Paolo Bonzini <bonzini@gnu.org>
5854 * doc/install.texi (--disable-libgcc-math): Document.
5856 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5858 * expr.h (expand_normal): new inline function.
5859 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5861 * dwarf2out.c: use it.
5866 * config/sparc/sparc.c: use it.
5867 * config/i386/i386.c: use it.
5868 * config/rs6000/rs6000.c: use it.
5869 * config/arm/arm.c: use it.
5870 * config/mips/mips.c: use it.
5871 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5873 2006-01-30 Roger Sayle <roger@eyesopen.com>
5875 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5876 argv to the appropriate type.
5878 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5880 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5883 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5886 * config/s390/s390.c (struct machine_function): New flag
5887 decomposed_literal_pool_addresses_ok_p.
5888 (s390_reorg): Set it before final stage of literal pool transforms.
5889 (s390_decompose_address): Only accept displacements of the form
5890 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5892 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5894 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5895 the comparison routine return.
5897 2006-01-30 Michael Matz <matz@suse.de>
5899 * global.c (find_reg): Only evict for global regs.
5900 Take n_refs into account and dump more info.
5902 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5905 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5906 (pragma_trap, pragma_nosave_low_regs): Likewise.
5907 (current_function_anonymous_args): Likewise.
5908 (sh_deferred_function_attributes): New variable.
5909 (sh_deferred_function_attributes_tail): Likewise.
5910 (print_operand): For '@', look up trap_exit attribute.
5911 (calc_live_regs): Look up trapa_handler attribute. For trapa
5912 handlers, save/restore fpscr, but don't do any other
5913 interrupt-specific saves.
5914 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5915 Fix check for partially saved registers to check for SHmedia.
5916 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5917 (sh_output_function_epilogue): Don't clear any of the removed
5919 (sh_insert_attributes): Don't check pragma_interrupt.
5920 Insert deferred attributes. Check that interrupt attribute is
5921 present for other attributes that require its presence.
5922 (sh_attribute_table): Add new attributes trapa_handler and
5924 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5925 Don't check for pragma_interrupt. Don't store argument.
5926 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5927 (sh_deferred_function_attributes): Declare.
5928 (sh_deferred_function_attributes_tail): Likewise.
5929 * sh.md (sp_switch_1): Add operand. Change generator caller.
5930 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5931 (*return_i): Don't use when trap_exit attribute is in effect.
5932 (*return_trapa): New insn pattern.
5934 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5935 setting c_target_objs and cxx_target_objs.
5936 * t-sh: Add rule for sh-c.o.
5938 2006-01-30 Richard Guenther <rguenther@suse.de>
5941 * gimplify.c (gimplify_target_expr): Handle easy cases
5942 without creating a temporary.
5944 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5946 * vec.h (safe_grow): Remove duplicated line.
5948 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5951 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5952 (expand_omp): ... here.
5953 (expand_omp_parallel): Only remove barriers for combined
5954 parallel+workshare constructs.
5956 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5960 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5961 * tree.c (build_qualified_type): Chain the new type to the original
5962 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5963 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5964 (build_pointer_type_for_mode): Only return unqualified types.
5965 (build_reference_type_for_mode): Likewise.
5967 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5969 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5970 * Makefile.in (CXX_COMPAT_WARN): Define.
5971 * configure: Regenerate.
5973 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5976 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5979 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5981 * toplev.c: Fix thinko.
5983 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5984 Marcin Dalecki <martin@dalecki.de>
5986 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5987 (push_srcloc): Use XNEW.
5988 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5990 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5992 * df-core.c (df_set_blocks): Deleted all variable.
5994 2006-01-28 Ian Lance Taylor <ian@airs.com>
5996 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5997 cgraph_output_pending_asms.
5999 2006-01-28 Zack Weinberg <zackw@panix.com>
6001 * c.opt: Add -W(no-)overlength-strings.
6002 * doc/invoke.texi: Document it.
6003 * c-opts.c (c_common_handle_option): -pedantic implies
6004 -Woverlength-strings, if not explicitly disabled already.
6005 (c_common_post_options): -Woverlength-strings defaults to off, and
6006 is always off for C++.
6007 * c-common.c (fix_string_type): Issue warning about strings longer
6008 than is portable only if warn_overlength_strings. Rearrange code
6009 a little for clarity.
6010 * configure.in: Check for -Wno-overlength-strings as well before
6011 enabling -pedantic in stage 1.
6012 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6013 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6015 * genconditions.c (write_header, write_one_condition)
6016 (write_conditions, write_writer): Consolidate very long strings
6017 that were broken up to fit in C89 portable limit. Don't use
6018 printf when fputs will do.
6020 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6022 * combine.c (simplify_comparison <AND>): Check
6023 TRULY_NOOP_TRUNCATION before start using a subreg.
6025 * config/mips/mips.md (*branch_zero<mode>,
6026 *branch_zero<mode>_inverted, *branch_equality<mode>,
6027 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6028 Remove mode check from comparisons.
6030 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6032 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6034 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6036 * expmed.c (const_mult_add_overflow_p): Remove.
6037 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6039 * recog.c (validate_replace_rtx_subexp): Remove.
6040 * recog.h: Remove the prototype for
6041 validate_replace_rtx_subexp.
6043 * integrate.h: Remove the prototype for
6044 copy_decl_for_inlining.
6045 * rtl.h: Remove the prototype for mark_constant_function.
6046 * tree-vectorizer.h: Remove the prototype for
6047 vect_strip_conversion.
6049 * modulo-sched.c (create_partial_schedule,
6050 free_partial_schedule, reset_partial_schedule): Make them
6053 * hooks.c (hook_bool_rtx_int_false): Remove.
6054 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6056 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6058 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6059 and -mlong-double-128 are incompatible.
6060 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6061 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6062 (TARGET_LIBGCC2_CFLAGS): Define.
6063 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6064 (TARGET_LIBGCC2_CFLAGS): Same.
6065 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6067 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6070 * c-typeck.c (build_binary_op): Perform implicit casts of
6071 operands before shortening them.
6073 * cfgloopmanip.c (split_loop_bb): Remove.
6074 * cfgloop.h: Remove the prototype for split_loop_bb.
6076 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6077 * cfgloop.h: Remove the prototype for
6078 flow_loop_outside_edge_p.
6080 * emit-rtl.c (init_virtual_regs): Make it static.
6081 * function.h: Remove the prototype for init_virtual_regs.
6083 * recog.c (peephole2_optimize): Make it static.
6084 * recog.h: Remove the prototype for peephole2_optimize.
6086 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6088 * df-scan.c (df_record_entry_block_defs): Check if
6089 INCOMING_RETURN_ADDR_RTX is defined.
6091 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6092 Kenneth Zadeck <zadeck@naturalbridge.com>
6094 PR rtl-optimization/24762
6095 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6096 * targhooks.c (hook_void_bitmap): New hook prototype.
6097 * targhoohs.h (hook_void_bitmap): Ditto.
6098 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6099 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6100 * target.h (live_on_entry): New function pointer.
6101 * df-scan.c (df_all_hard_regs): Removed.
6102 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6103 (df_scan_free_internal): Added df->entry_block_defs.
6104 (df_scan_alloc): Ditto.
6105 (df_scan_dump): Ditto.
6106 (df_uses_record): Plumbed flag field properly thru calls.
6107 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6108 This part fixes PR24762.
6109 (df_bb_refs_record): Added code to make the frame and arg
6110 pointers live in EH blocks.
6111 (df_refs_record): Added call to df_record_entry_block_defs.
6112 (df_record_entry_block_defs): New function.
6113 * df-core.c: Added comments to describe new artifical defs.
6114 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6115 (entry_block_defs): New field in struct df.
6116 (df_all_hard_regs): Deleted.
6117 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6118 * df-problems.c (df_ru_bb_local_compute_process_def):
6119 Added code to handle artifical defs in the entry to a function.
6120 (df_ru_bb_local_compute): Ditto.
6121 (df_rd_bb_local_compute_process_def): Ditto.
6122 (df_rd_bb_local_compute): Ditto.
6123 (df_lr_bb_local_compute): Ditto.
6124 (df_ur_bb_local_compute): Ditto.
6125 (df_urec_bb_local_compute): Ditto.
6126 (df_chain_create_bb): Ditto.
6127 (df_ur_local_finalize): Removed entry.
6128 (df_urec_init): Ditto.
6129 (df_urec_local_finalize): Ditto.
6130 (df_ri_bb_compute): Added detection of last use of pseudos.
6131 * Makefile.in (df-scan.o): Updated dependencies.
6132 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6133 * config/mips/mips.c (mips_set_live_on_entry): Added.
6134 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6136 * dce.c (marked_insn_p): Added code to handle artifical defs.
6138 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6140 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6142 (_mm_cvtsi128_si64): Likewise.
6143 (_mm_cvtsd_si64): Likewise.
6144 (_mm_cvttsd_si64): Likewise.
6145 (_mm_cvtsi64_sd): Likewise.
6146 (_mm_cvtsi64_si128): Likewise.
6147 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6148 (_mm_cvtsi64_m64): Likewise.
6149 (_m_to_int64): Likewise.
6150 (_mm_cvtm64_si64): Likewise.
6151 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6152 (_mm_cvttss_si64): Likewise.
6153 (_mm_cvtsi64_ss): Likewise.
6154 (_mm_cvtss_f32): Likewise.
6156 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6158 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6159 for pragma redefine_extname.
6161 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6164 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6165 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6166 -mno-minimal-toc to previous content.
6167 (bispecs): Remove goal.
6168 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6169 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6170 compatibility aliases on powerpc-*-*gnu*.
6171 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6172 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6173 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6174 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6175 (ldblspecs): New goal.
6176 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6177 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6179 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6180 L_sf_to_tf or L_df_to_tf is defined.
6182 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6183 Alan Modra <amodra@bigpond.net.au>
6186 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6187 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6188 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6189 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6190 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6191 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6192 (rs6000_override_options): Initialize rs6000_ieeequad.
6193 Initialize TFmode format to ibm_extended_format if not
6195 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6197 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6198 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6199 (function_arg_advance): IBM long double passed in two FPRs, not
6201 (function_arg): IBM long double passed in FPRs.
6202 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6203 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6204 Only multireg GPR aligned.
6205 (rs6000_init_libfuncs): Enable IBM long double functions if not
6207 (rs6000_generate_compare): Use IBM long double compare if not
6209 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6210 (TARGET_IEEEQUAD): Define.
6211 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6212 not TARGET_IEEEQUAD.
6213 * config/rs6000/rs6000.md: Enable TFmode patterns if
6215 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6216 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6217 and -mlong-double-128 are incompatible.
6218 * doc/invoke.texi (-mabi): Collect options together. Add
6219 ibmlongdouble and ieeelongdouble.
6221 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6223 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6225 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6226 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6227 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6228 * rtl.h (rtunion_def): Remove rt_ptr.
6230 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6231 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6232 * config/i386/winnt.c (i386_pe_mark_dllexport)
6233 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6235 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6237 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6239 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6243 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6244 pthread_key_delete. From John David Anglin. gthrw-ify
6245 pthread_getunique_np only if it it's not a macro. Delete
6247 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6248 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6249 __gthread_objc_condition_signal, __gthread_key_delete): Add
6250 "__attribute__ ((__unused__))" to unused arguments.
6251 (__gthread_recursive_mutex_init_function): Add missing return.
6252 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6253 gthr-posix95.h: Use macro-based approach for name redirection
6254 on targets missing weakref.
6256 2006-01-26 Zack Weinberg <zackw@panix.com>
6258 * genconditions.c (write_header): In generated code, #ifdef out
6259 all includes and fake declarations, except includes of bconfig.h
6260 and system.h, unless GCC_VERSION >= 3001. Do not include
6261 gensupport.h in any case.
6262 (write_conditions): Generate a definition of struct c_test. Add
6263 a comment to the generated #endif.
6264 (write_one_condition): Escape backslashes in string too.
6265 (write_writer): Generated code must escape backslashes and quote
6266 marks (but not newlines) in the strings it writes.
6267 * Makefile.in (build/gencondmd.o): Update dependencies.
6269 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6272 * Makefile.in (insn-automata.o): Add header file dependencies.
6273 * genautomata.c: Add includes.
6275 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6278 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6280 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6282 * configure.ac: Expect target tools paths to be passed from the toplevel
6283 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6285 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6287 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6290 * c.opt (Wpointer-sign): Init to -1.
6291 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6292 OPT_pedantic, to 0 otherwise.
6293 * doc/invoke.texi: Update.
6295 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6297 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6298 constants provided by 80387 instructions in the destination mode.
6300 2006-01-26 Richard Guenther <rguenther@suse.de>
6301 Andrew Pinski <pinskia@physics.uc.edu>
6304 partial PR tree-opt/17064
6305 * tree-ssa-structalias.c (intra_create_variable_infos):
6306 Create heap variables for incoming parameters if
6307 flag_argument_noalias > 1.
6308 (find_what_p_points_to): Look through default defs of
6311 2006-01-26 Jeff Law <law@redhat.com>
6314 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6315 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6316 within the VR_RANGE, use the VR_RANGE as the result, not the
6318 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6319 bounds for the type.
6321 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6323 * tree-ssa-alias.c (maybe_create_global_var): Change
6324 subvar walking to an assertion that we don't have subvar'd variables.
6326 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6329 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6330 Use a new variable, inner. PARM_DECLs are always non-weak.
6332 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6334 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6337 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6339 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6341 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6343 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6344 (smax_insn, smin_insn, smax_0, smin_0): New.
6346 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6349 * config/cris/cris.c (cris_order_for_addsi3): New function.
6350 * config/cris/cris-protos.h: Prototype it.
6351 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6352 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6353 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6354 (split for "op.S1 [rx=rx+i],ry (swapped)")
6355 (split for "op(s|u).S1 [rx=rx+i],ry")
6356 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6357 Apply cris_order_for_addsi3 when generating addsi3 insns.
6359 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6361 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6362 (TREE_BLOCK): Add call to EXPR_CHECK.
6364 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6367 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6368 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6369 (dump_omp_clauses): ... here.
6370 (dump_generic_node): Handle OMP_CLAUSE.
6371 * tree.c (omp_clause_num_ops): New.
6372 (omp_clause_code_name): New.
6373 (tree_code_size): Handle OMP_CLAUSE.
6374 (tree_size): Likewise.
6375 (make_node): Document handling of OMP_CLAUSE.
6376 (tree_node_structure): Handle OMP_CLAUSE.
6377 (omp_clause_check_failed): New.
6378 (omp_clause_range_check_failed): New.
6379 (omp_clause_operand_check_failed): New.
6380 (build_omp_clause): New.
6381 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6382 * tree.h (enum omp_clause_code): Declare.
6383 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6384 (OMP_CLAUSE_RANGE_CHECK): Define.
6385 (OMP_CLAUSE_ELT_CHECK): Define.
6386 (omp_clause_check_failed): Declare.
6387 (omp_clause_operand_check_failed): Declare.
6388 (omp_clause_range_check_failed): Declare.
6389 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6390 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6391 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6392 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6393 (OMP_CLAUSE_IF_EXPR): Likewise.
6394 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6395 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6396 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6397 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6398 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6399 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6400 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6401 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6402 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6403 (OMP_CLAUSE_CODE): Define.
6404 (OMP_CLAUSE_SET_CODE): Define.
6405 (OMP_CLAUSE_CODE): Define.
6406 (OMP_CLAUSE_OPERAND): Define.
6407 (struct tree_omp_clause): Declare.
6408 (union tree_node): Add field 'omp_clause'.
6409 * treestruct.def (TS_OMP_CLAUSE): Define.
6410 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6411 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6412 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6413 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6414 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6415 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6416 (OMP_CLAUSE): Define.
6417 * print-tree.c (print_node): Handle OMP_CLAUSE.
6418 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6419 * c-typeck.c: Likewise.
6420 * gimplify.c: Likewise.
6421 * c-omp.c: Likewise.
6422 * tree-nested.c: Likewise.
6423 * tree-inline.c: Likewise.
6424 * c-parser.c: Likewise.
6425 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6428 2006-01-25 Roger Sayle <roger@eyesopen.com>
6430 PR rtl-optimization/25703
6431 * combine.c (try_combine): Handle zero_extract and strict_low_part
6432 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6434 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6436 * global.c: Fix comment typos.
6438 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6441 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6442 Use output_addr_const instead of assemble_name.
6444 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6446 * Makefile.in (sched-vis.o): Update dependencies.
6447 * haifa-sched.c (sched_finish): Clear current_sched_info.
6448 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6449 (dump_flow_info): Call it.
6450 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6452 * basic-block.h (dump_bb_info): Declare.
6453 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6454 option, and apply options only for dump files whose TDF_RTL,
6455 TDF_TREE, or TDF_IPA bits match.
6456 * rtl.h: Declare new functions exported from sched-vis.c.
6457 * sched-vis.c: Enable also if scheduling is not used.
6458 (print_value): Print the mode of registers if not inside scheduling.
6459 (print_insn): Make it work outside the scheduler. Beautify the output
6461 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6463 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6465 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6466 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6467 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6468 depending on the value of CONSTANT_POOL_ADDRESS_P.
6469 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6471 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6472 rather than SYMBOL_REF_DECL.
6473 (rtx_constant_pool): Remove const_rtx_sym_htab.
6474 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6475 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6476 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6477 Remove handling of const_rtx_sym_htab.
6478 (find_pool_constant): Delete.
6479 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6480 rather than find_pool_constant.
6481 (get_pool_constant_for_function): Delete.
6482 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6484 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6485 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6486 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6487 (SYMBOL_REF_CONSTANT): New macro.
6488 (get_pool_constant_for_function): Delete.
6489 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6490 rather than SYMBOL_REF_DECL.
6491 (i386_pe_mark_dllimport): Likewise.
6492 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6493 rather than SYMBOL_REF_DECL.
6494 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6495 (machopic_indirect_call_target): Likewise.
6497 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6499 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6501 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6503 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6505 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6507 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6509 2006-01-24 David Daney <ddaney@avtrex.com>
6512 * configure.ac (enable_tls): New enable option.
6513 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6514 * configure: Regenerate.
6515 * doc/install.texi (--enable-tls): Document new option.
6516 (--disable-tls): Ditto.
6518 2006-01-24 Richard Henderson <rth@redehat.com>
6520 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6521 * alias.c (true_dependence): Respect it.
6522 (canon_true_dependence, write_dependence_p): Likewise.
6523 * builtins.c (get_builtin_sync_mem): Set it.
6525 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6527 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6530 2006-01-24 DJ Delorie <dj@redhat.com>
6532 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6533 for storing constants in single-bit bitfields.
6535 2006-01-25 Ben Elliston <bje@au.ibm.com>
6537 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6539 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6542 * tree-ssa-pre.c (phi_translate): Return NULL
6543 for AGGREGATE_TYPE's.
6545 2006-01-24 Zack Weinberg <zackw@panix.com>
6547 * genautomata.c (process_state_for_insn_equiv_partition):
6548 Use xcalloc for insn_arcs_array.
6549 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6550 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6552 2006-01-24 Richard Henderson <rth@redhat.com>
6554 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6557 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6559 PR rtl-optimization/25890
6560 PR rtl-optimization/25905
6561 * combine.c (expand_compound_operation, expand_field_assignment):
6562 Fail if the bitfield's final position is out of bounds.
6564 2006-01-24 Ian Lance Taylor <ian@airs.com>
6567 * cgraphunit.c (cgraph_output_in_order): Don't clear
6568 cgraph_asm_nodes until after asm strings have been output.
6570 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6572 * fix-header.c (read_scan_file): Add new parameter imultilib when
6573 calling register_include_chains.
6575 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6577 * omp-low.c: Update documentation.
6579 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6580 Daniel Berlin <dberlin@dberlin.org>
6584 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6585 return from the function.
6587 2006-01-22 Zack Weinberg <zackw@panix.com>
6589 * rtl.def (match_code): Add second argument.
6590 * genpreds.c (write_extract_subexp): New function.
6591 (write_match_code): Add path argument. Use write_extract_subexp.
6592 (write_predicate_expr): Pass path to write_match_code.
6593 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6594 not perform a mode test.
6595 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6596 a subexpression does not constrain the top-level code set.
6597 * read-rtl.c (read_rtx_variadic): New function.
6598 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6599 * doc/md.texi: Document new notation.
6600 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6601 (cmpsi_operand): ... here, using new notation.
6603 2006-01-22 Zack Weinberg <zackw@panix.com>
6605 * varray.c: Remove GENERATOR_FILE #ifdefs.
6607 2006-01-22 Zack Weinberg <zackw@panix.com>
6609 * genautomata.c (output_reserved_units_table): Emit nothing if
6610 description->query_units_num is zero. Remove extra blank line.
6611 (output_cpu_unit_reservation_p): Short circuit
6612 if description->query_units_num is zero.
6614 2006-01-22 Zack Weinberg <zackw@panix.com>
6616 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6617 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6618 nor any of the random handful of variables that used to be necessary
6619 when this program was linked with rtlanal.o. Prune set of forward
6620 function declarations.
6621 (struct attr_desc): Remove static_p field.
6622 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6623 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6624 (attr_string): Do not read the character one past the length of
6626 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6627 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6628 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6629 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6630 (make_automaton_attrs): New.
6631 (main): Do not call into genautomata. Call local gen_bypass
6632 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6633 Remove special case for insn_alts.
6634 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6635 varray.h (leftover from previous change). Prune set of forward
6636 function declarations. Remove state_alts fields from all
6637 structures. Remove state_alts_table from struct automaton.
6638 Make everything except main static. Do not maintain num_dfa_decls.
6639 Do not maintain state_alts fields of various structures.
6640 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6641 (add_arc): Remove state_alts argument. All callers updated.
6642 (output_reserved_units_table): Emit #ifdef here...
6643 (output_tables): ...not here. Don't generate state_alts tables.
6644 (expand_automata): Don't generate attributes.
6645 (write_automata): Don't generate state_alts functions.
6646 (main): New function.
6647 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6648 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6649 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6650 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6651 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6652 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6653 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6654 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6656 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6657 * genattrtab.h: Delete file.
6658 * Makefile.in (OBJS-common): Add insn-automata.o.
6659 (insn-automata.o): New rule.
6660 (simple_generated_c): Add insn-automata.c.
6661 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6662 (genprogmd): Add automata.
6663 (build/genattrtab): Needs no extra objects nor libraries.
6664 (build/genautomata): Needs build/vec.o and -lm.
6666 2006-01-22 Zack Weinberg <zackw@panix.com>
6668 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6669 (output_dfa_max_issue_rate, locked_states_num): Delete.
6670 (struct automaton): Add locked_states field.
6671 (output_dead_lock_vect): Save number of locked states in
6672 automaton->locked_states. If it is zero, don't print anything.
6673 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6674 (output_internal_dead_lock_func): Only test the dead_lock_vect
6675 for automata that have locked states.
6676 (output_statistics): Always print the number of locked states for
6677 each automaton. Calculate total number of locked states here.
6678 (write_automata): Don't call output_dfa_max_issue_rate.
6679 * genattrtab.c: Define length_unit_log as a const variable.
6680 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6681 max_insn_queue_index const.
6682 * final.c (length_unit_log): Declare const.
6683 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6685 2006-01-22 Zack Weinberg <zackw@panix.com>
6687 * genautomata.c: Include vec.h, not varray.h.
6688 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6689 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6690 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6691 VEC_* macros operating on appropriately typed vectors, or to
6692 malloced arrays when the size is known in advance. Const-ify
6693 many char* variables and function arguments. No functional changes.
6694 * Makefile.in (build/varray.o): Delete rule.
6695 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6696 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6698 2006-01-22 Zack Weinberg <zackw@panix.com>
6700 * gensupport.c: Define get_insn_name and record_insn_name here.
6701 (read_md_rtx): Call record_insn_name as appropriate.
6702 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6703 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6704 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6706 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6707 (BUILD_VARRAY): Delete.
6708 (genprognormal): Rename genprogmd. Fold in all programs from
6709 genprognoprint; also attrtab.
6710 (build/genattrtab): Just mention genautomata.o and varray.o.
6711 Reorganize a bit, add comments to make the categories clearer.
6713 2006-01-22 Zack Weinberg <zackw@panix.com>
6715 * genconditions.c (condition_table, add_condition): Delete.
6716 (write_conditions): Don't emit n_insn_conditions nor
6717 insn_elision_unavailable. Issue the gcc version #ifdef here,
6718 inside the table, with no #else clause ...
6719 (write_header): ...not here.
6720 (write_writer): New function.
6721 (main): Don't initialize condition_table. Use add_c_test.
6723 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6724 files on the command line.
6725 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6726 Return -1 if there is no entry in the table, don't abort.
6727 (add_c_test, traverse_c_tests): New functions.
6728 * gensupport.h (insn_elision_unavailable, insn_conditions)
6729 (n_insn_conditions): Delete declarations.
6730 (add_c_test, traverse_c_tests): Declare.
6731 * read-rtl.c: Include gensupport.h.
6732 (read_conditions): New function.
6733 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6734 (read_rtx_1): If we get EOF when we were looking for an initial
6735 open paren, return 0. Call read_conditions when appropriate.
6736 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6737 dummy-conditions.o. Eliminate references to insn-conditions.o,
6738 or change them to build/gencondmd.o, as appropriate. Remove
6739 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6740 from $(simple_generated_c). For all files remaining in those
6741 two lists, add insn-conditions.md to the generator command line.
6742 Give insn-constants.h/s-constants their own rules. Add rules
6743 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6744 (build/read-rtl.o): Depend on gensupport.h.
6745 (genprognormal): Include preds.
6746 (genprogearly): Rename genprognoprint; only difference is now that
6747 they don't link with $(BUILD_PRINT).
6748 * dummy-conditions.c: Delete.
6750 2006-01-22 Zack Weinberg <zackw@panix.com>
6752 * genextract.c: Don't include insn-config.h. Do include vec.h.
6753 Declare vectors of int, char, and locstr.
6754 (locstr): New typedef.
6755 (struct extraction): Make all array fields into bare pointers.
6756 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6757 (insn_code_number): Delete.
6758 (accum_extract): New struct.
6759 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6760 (gen_insn): Take insn_code_number as an argument. Use an
6761 accum_extract structure instead of loading data directly into
6762 a struct extraction, and having to know how big it might get.
6763 (walk_rtx): Operate entirely on an accum_extract structure.
6764 (print_path): Avoid unnecessary use of printf.
6765 (print_header): New function, split out of main. Distinguish
6766 more carefully between an unrecognizable insn and an insn that
6767 has the code number of a define_expand.
6768 (main): Pass insn_code_number to gen_insn. Call print_header
6769 only after parsing. Avoid unnecessary use of printf.
6770 * Makefile.in (build/vec.o): New rule.
6771 (build/genextract): Depend on build/vec.o.
6772 (build/genextract.o): Don't depend on insn-config.h.
6774 2006-01-22 Zack Weinberg <zackw@panix.com>
6776 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6777 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6778 practical. Eliminate per-generator-program link rules.
6780 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6783 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6784 with a call expr to ...
6785 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6787 2006-01-23 Richard Guenther <rguenther@suse.de>
6789 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6790 before make_edge with conditional EDGE_TRUE_VALUE.
6792 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6793 Jan Hubicka <jh@suse.cz>
6794 Richard Guenther <rguenther@suse.de>
6796 PR rtl-optimization/25654
6797 * cfgexpand.c (aggregate_contains_union_type): New function.
6798 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6799 for structure variables that contain a union type.
6801 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6803 * gengtype.c (new_structure): Return the structure.
6804 (create_option): Add an extra "next" argument.
6805 (create_field): New function.
6806 (adjust_field_rtx_def): Use create_option and create_field.
6807 Remove a now-unnecessary call to find_structure.
6808 (adjust_field_tree_def): Likewise.
6809 (note_yacc_type): Remove an unnecessary call to find_structure.
6810 * gengtype.h (new_structure): Return the structure.
6811 (create_option): Add an extra argument.
6812 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6813 (option): Adjust calls to create_option.
6815 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6817 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6819 2006-01-22 Paul Brook <paul@codesourcery.com>
6820 Peter Barada <peter@the-baradas.com>
6822 * config/m68k/m68k.md: Add Coldfire FPU support.
6823 Define FP mode macro and associated attributes.
6824 Use it for float mode patterns.
6825 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6826 (LIBCALL_VALUE): Use m68k_libcall_value.
6827 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6828 (m68k_function_value): Ditto.
6829 (emit_move_sequence): Ditto.
6830 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6831 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6832 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6833 (MULTILIB_EXCEPTIONS): Ditto.
6834 * config/m68k/m68k.opt: Add mcfv4e.
6835 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6836 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6837 (m68k_output_function_prologue): Save ColdFire FPU registers.
6838 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6839 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6840 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6841 ColdFire FPU registers.
6842 (m68k_libcall_value, m68k_function_value): New functions.
6843 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6844 (LIBCALL_VALUE): Use m68k_libcall_value.
6845 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6846 (MASK_COLDFIRE): Add MASK_CFV4E.
6847 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6848 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6849 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6850 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6851 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6852 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6853 * doc/invoke.tex: Document -mcfv4e on m68k.
6855 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6857 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6860 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6863 * c-opts.c (c_common_handle_option): Don't include
6864 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6865 * doc/invoke.texi (C++ Dialect Options): Document that
6866 -Wnon-virtual-dtor is no longer included in -Wall.
6868 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6870 * gcov.c (print_version), gcov-dump.c (print_version),
6871 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6874 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6876 * df-scan.c (problem_SCAN): Added NULL reset function.
6877 (df_scan_reset_blocks): Added code to call reset block function
6878 (df_bb_refs_delete) Fixed comment.
6879 (df_insn_refs_delete): Made tolerant of deleting non existent info
6880 for dataflow problems that need to be reset.
6881 * df-core.c (df_set_blocks): Ditto.
6882 * df.h (struct df_problem): Added reset_fun.
6883 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6884 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6885 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6886 functions to clear out all references to def-use or use-def chains.
6888 2006-01-21 Ben Elliston <bje@au.ibm.com>
6890 * varasm.c (assemble_real): Initialise data array.
6892 2006-01-20 Paul Brook <paul@codesourcery.com>
6894 Merge from csl-arm-branch.
6895 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6896 * config/arm/arm.md (movdi): Force operands[1] to a register
6897 if we have a non-register source.
6898 (*arm_movdi, *movdf_soft_insn): Require that one of the
6899 operands be a register.
6900 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6901 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6903 2006-01-20 DJ Delorie <dj@redhat.com>
6905 * varasm.c (initialize_constant_valid_p): Allow pointers
6906 initialized from integer constants of lesser precision.
6907 (output_constant): Allow non-int-sized pointer modes to be
6908 initialized from integer constants.
6910 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6913 * cppdefault.h (struct default_include): Add multilib flag.
6914 * cppdefault.c (cpp_include_defaults): Set it.
6915 * c.opt (-imultilib): New option.
6916 * c-opts.c (imultilib): New.
6917 (c_common_handle_option): Handle -imultilib.
6918 (c_common_post_options): Likewise.
6919 * c-incpath.c (add_standard_paths, register_include_chains):
6921 * c-incpath.h (register_include_chains): Add extra parameter.
6922 * gcc.c (do_spec_1): Generate -imultilib option.
6923 (The Specs Language): Update %I description.
6924 (process_command): Update copyright notice.
6925 * doc/cppopts.texi (-imultilib): Document.
6926 * doc/invoke.texi (-imultilib): Include in option summary.
6927 (%I): Update specs documentation.
6929 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6931 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6933 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6935 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6938 2006-01-20 Richard Guenther <rguenther@suse.de>
6939 Steven Bosscher <stevenb.gcc@gmail.com>
6941 PR rtl-optimization/24626
6942 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6943 EDGE_TRUE_VALUE if in RTL mode.
6946 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6947 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6949 2006-01-20 Dirk Mueller <dmueller@suse.com>
6952 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6953 instead of a special NOP marker.
6954 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6955 NOP marker handling.
6956 * c-common.h (empty_body_warning): Add forward declaration.
6957 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6958 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6960 2006-01-20 Paul Brook <paul@codesourcery.com>
6962 * Makefile.in (lang_checks): Keep going if mkdir fails.
6964 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6966 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6967 be able to clean out basic block when not necessary.
6968 (df_scan_free): Fixed to properly delete information if df is
6969 unused before calling df_finish.
6970 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6971 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6973 (df_bb_refs_delete): New function.
6974 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6975 * df-core.c (df_set_blocks): Added code to properly clean out
6976 unused blocks if they are not part of the blocks to consider.
6977 Added additional null check.
6978 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6979 be able to clean out basic block when not necessary
6980 * df.h (df_free_bb_function): Ditto.
6981 (df_bb_refs_delete): New function.
6982 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6983 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6984 basic block parameter to be able to clean out basic block when not
6986 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6987 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6988 Fixed to properly delete information if df is unused before
6991 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6993 PR rtl-optimization/25799
6994 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6995 Corrected confluence operator to remove bits from op2 before oring
6996 with op1 rather than removing bits from op1.
6997 (df_ru_transfer_function): Corrected test on wrong bitmap which
6998 caused infinite loop. Both of these problems were introduced in
6999 the dataflow rewrite.
7001 2006-01-19 DJ Delorie <dj@redhat.com>
7003 * reload1.c (find_reload_regs): Note the details of reload
7004 failures in the dump file.
7005 (spill_failure): Likewise.
7007 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7009 * loop-iv.c: Include df.h and hashtab.h.
7010 (enum iv_grd_result): New enum.
7011 (DF_REF_IV, DF_REF_IV_SET): New macros.
7012 (struct biv_entry): New.
7013 (df, bivs): New global variables.
7014 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7015 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7017 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7018 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7019 analyzed_for_bivness_p, record_biv): New functions.
7020 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7021 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7022 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7024 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7026 (iv_number_of_iterations): Use new interface to iv analysis.
7027 * loop-unroll.c: Do not include varray.h.
7028 (analyze_iv_to_split_insn): Use new interface to iv
7030 * loop-unswitch.c (may_unswitch_on): Ditto.
7031 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7033 (df_bb_modify): Realloc tables to the new index.
7034 (df_find_use): New function.
7035 * df.h (df_find_use): Declare.
7036 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7038 * cfgloop.h (struct rtx_iv): Remove analysed field.
7039 (iv_get_reaching_def): Removed.
7040 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7041 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7042 (loop-iv.o): Add df.h and hashtab.h dependency.
7043 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7045 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7048 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7050 (__floatundisf, __floatundidf): Likewise.
7051 * libgcc2.h (IS_IBM_EXTENDED): Define.
7053 2006-01-19 DJ Delorie <dj@redhat.com>
7055 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7057 2006-01-19 Paul Brook <paul@codesourcery.com>
7059 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7060 as nothrow when unwinding tables are disabled.
7062 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7065 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7066 of bit-field" when in system header.
7068 2006-01-19 DJ Delorie <dj@redhat.com>
7070 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7071 the 16 bit shift limit of the m16c.
7073 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7076 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7077 * config/i386/i386.c (output_set_got): Output the label if we have one
7078 for the TARGET_DEEP_BRANCH_PREDICTION case.
7080 2006-01-19 Jan Hubicka <jh@suse.cz>
7081 H.J. Lu <hongjiu.lu@intel.com>
7082 Evandro Menezes <evandro.menezes@amd.com>
7084 * invoke.texi (generic): Document
7086 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7087 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7088 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7089 (x86_use_incdec, x86_pad_returns): New variables
7090 (TARGET_CPU_DEFAULT_generic): New constant
7091 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7092 (enum processor_type): Add generic32 and generic64.
7093 * i386.md (cpu attribute): Add generic32/generic64
7094 (movhi splitter): Behave sanely when both partial_reg_dependency and
7095 partial_reg_stall are set.
7096 (K8 splitters): Enable for generic as well.
7097 * predicates.md (incdec_operand): Use TARGET_INCDEC
7098 (aligned_operand): Avoid memory mismatch stalls.
7099 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7100 * ppro.md: Enable for generic32
7101 * i386.c (generic64_cost, generic32_cost): New.
7102 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7103 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7104 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7105 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7106 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7107 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7108 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7109 x86_accumulate_outgoing_args, x86_prologue_using_move,
7110 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7111 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7113 (x86_use_incdec, x86_pad_returns): New.
7114 (override_options): Add generic32 and generic64, translate "generic"
7115 to generic32/generic64 and "i686" to "generic32", refuse
7116 "generic32"/"generic64" as arch target.
7117 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7118 (ix86_reorg): Honor PAD_RETURNS.
7120 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7122 * tree-pretty-print.c (dump_generic_node): Handle
7123 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7124 * cgraph.c (cgraph_expand_queue): Rename from
7125 cgraph_analyze_queue. Update all users.
7126 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7127 cgraph_expand_queue.
7128 (cgraph_expand_all_functions): Likewise.
7129 (cgraph_finalize_pending_functions): Remove. Update callers.
7131 * tree.h (OMP_DIRECTIVE_P): Define.
7132 (OMP_PARALLEL_FN): Define.
7133 (OMP_PARALLEL_DATA_ARG): Define.
7134 (OMP_SECTIONS_SECTIONS): Define.
7135 * tree-pass.h (pass_expand_omp): Declare.
7136 * omp-low.c (struct omp_region): Declare.
7137 (struct omp_context): Remove fields 'parallel_type',
7138 'parallel_start_ix' and 'parallel_start_additional_args'.
7140 (struct omp_for_data): Rename from struct expand_omp_for_data.
7141 (omp_regions): New static variable.
7142 (root_omp_region): New static variable.
7143 (find_omp_clause): Make static.
7144 (is_in_combined_parallel_ctx): Remove.
7145 (is_combined_parallel): New.
7146 (extract_omp_for_data): Move earlier in the file.
7147 (workshare_safe_to_combine_p): New.
7148 (get_ws_args_for): New.
7149 (determine_parallel_type): Move earlier in the file.
7150 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7152 (omp_copy_decl): Likewise.
7153 (create_omp_child_function): Likewise.
7154 (lookup_omp_region): New.
7155 (dump_omp_region): New.
7156 (debug_omp_region): New.
7157 (debug_all_omp_regions): New.
7158 (new_omp_region): New.
7159 (scan_omp_parallel): If parallel_nesting_level > 1, the
7160 directive is nested within another parallel directive.
7161 Set OMP_PARALLEL_FN.
7162 (scan_omp_for): Do not try to handle combined parallel+for
7164 Remove FIXME comment.
7165 (scan_omp_nested): Remove.
7166 (scan_omp_1): Do not call scan_omp_nested when
7167 parallel_nesting_level is > 1.
7168 Do not change the DECL_CONTEXT of local variables found.
7169 (lookup_decl_in_outer_ctx): New.
7170 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7171 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7172 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7173 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7174 If CTX is nested, lookup VAR in the outer context when
7175 building copy assignment.
7176 (lower_send_clauses): Rename from expand_send_clauses.
7177 If CTX is nested, lookup VAR in the outer context when
7178 building copy assignments.
7179 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7180 If CTX is nested, lookup VAR in the outer context when
7181 building copy assignments.
7182 (expand_parallel_call): Rename from build_parallel_call.
7183 Handle combined parallel+workshare cases.
7184 Re-implement to emit code into the CFG.
7186 (expand_omp_parallel): Re-implement to emit code into the CFG.
7187 Call move_sese_region_to_fn to outline the sub-graph
7188 containing the parallel region.
7189 (expand_omp_for_1): Remove.
7190 (expand_omp_for_generic): Re-implement to emit code into the
7192 (expand_omp_for_static_nochunk): Likewise.
7193 (expand_omp_for_static_chunk): Likewise.
7194 (expand_omp_for): Likewise.
7195 (expand_omp_sections): Likewise.
7196 (remove_exit_barriers): New.
7197 (expand_omp_synch): New.
7199 (build_omp_regions_1): New.
7200 (build_omp_regions): New.
7201 (execute_expand_omp): New.
7202 (gate_expand_omp): New.
7203 (pass_expand_omp): Define.
7204 (lower_omp_sections): Rename from expand_omp_sections.
7205 Set OMP_SECTIONS_SECTIONS.
7206 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7207 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7208 (lower_omp_single): Rename from expand_omp_simple.
7209 (lower_omp_master): Rename from expand_omp_master.
7210 (lower_omp_ordered): Rename from expand_omp_ordered.
7211 (lower_omp_critical): Rename from expand_omp_critical.
7212 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7213 (lower_omp_for): Re-implement.
7214 (lower_omp_parallel): Re-implement.
7215 (lower_regimplify): Rename from expand_regimplify.
7216 (lower_omp_1): Rename from expand_omp_1.
7217 If there are syntax errors in the program, replace every
7218 OpenMP directive with NOP.
7219 Call lower_omp_* instead of expand_omp_*.
7220 (lower_omp): Rename from expand_omp.
7222 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7223 * tree-gimple.h (enum omp_parallel_type): Remove.
7224 (gimple_boolify): Declare extern.
7225 (find_omp_clause, determine_parallel_type): Remove.
7227 * gimple-low.c (lower_omp_directive): New.
7228 (lower_stmt): Call it.
7229 (record_vars_into): Move from ...
7230 (record_vars): ... here.
7231 Call record_vars_into with current_function_decl.
7233 * gimplify.c (struct gimplify_ctx): Remove fields
7234 combined_pre_p and combined_ctxp. Update users.
7235 (get_formal_tmp_var): Add documentation.
7236 (gimple_boolify): Make extern.
7237 (gimplify_expr_in_ctx): Remove. Update callers.
7238 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7239 will always be a BIND_EXPR.
7240 (gimplify_expr): Handle OMP_RETURN_EXPR.
7241 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7242 (OMP_PARALLEL): Add 3 operands.
7243 (OMP_SECTIONS): Add 1 operand.
7244 (OMP_RETURN_EXPR): Define.
7246 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7247 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7248 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7249 creating a circular free list.
7250 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7252 * tree-flow.h (move_sese_region_to_fn): Declare.
7253 (record_vars_into): Declare.
7254 * tree-cfg.c (make_omp_sections_edges): New.
7255 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7256 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7257 OMP_SECTIONS and OMP_SECTION.
7258 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7259 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7260 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7261 (gather_blocks_in_sese_region): New.
7262 (struct move_stmt_d): Declare.
7264 (move_block_to_fn): New.
7265 (move_sese_region_to_fn): New.
7267 * passes.c (init_optimization_passes): Schedule
7268 pass_expand_omp after pass_init_datastructures.
7270 * tree-ssa-operands.c (get_expr_operands): Handle
7271 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7272 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7274 2006-01-19 Jeff Law <law@redhat.com>
7276 * tree-vrp.c (extract_range_from_assert): Refine the result range
7277 if the variable referenced by the ASSERT_EXPR has a range and
7278 either the tentative result range or the previous range is a
7281 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7283 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7285 2006-01-19 Jan Hubicka <jh@suse.cz>
7287 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7289 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7291 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7292 (expand_compound_operation, expand_field_assignment): Fail if the
7293 bit lengths of an extract operation are out of range.
7294 (make_extraction): Compute wanted_inner_mode based on the position
7295 and length of the extraction. Make it extraction_mode for non-constant
7296 positions, and do not modify offset in that case. When generating a
7297 new MEM, use a mode that can hold the extraction while keeping correct
7298 alignment. Remove code that supported MEMs wrapped by USEs.
7299 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7301 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7303 * config/s390/s390.md ("Y", "y"): New mode attribute.
7304 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7305 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7306 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7307 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7308 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7309 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7310 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7311 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7312 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7313 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7314 "addsi3", "subsi3"): Insn patterns removed.
7315 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7316 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7317 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7318 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7319 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7320 "*sub<mode>3_cconly2"): New insn patterns.
7321 ("addsi3", "subsi3"): New expanders.
7323 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7325 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7326 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7327 existing STMT_VINFO_VECTYPE if available.
7328 (vect_mark_relevant): Add special handling for stmts that are
7329 marked as STMT_VINFO_IN_PATTERN_P.
7330 (vect_analyze_loop): Call vect_pattern_recog.
7331 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7332 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7334 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7335 (vect_recog_func_ptr): New function-pointer type.
7336 * tree-vect-patterns.c: New file.
7337 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7338 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7339 (vect_pattern_recog_1): New functions.
7340 (vect_pattern_recog_funcs): New array of function pointers.
7342 * tree-vectorizer.h (ternary_op): New enum value.
7343 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7344 declaration. Revised documentation. Removed redundant dump prints.
7345 Removed redundant argument. Added support for reduction patterns.
7346 (vectorizable_reduction): Added support for reduction patterns.
7347 (vect_transform_stmt): Added support for patterns.
7349 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7350 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7351 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7352 (expand_widen_pattern_expr): New function.
7353 (init_optabs): Initialize new optabs udot_prod_optab,
7355 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7356 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7357 (expand_widen_pattern_expr): New function declaration.
7358 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7360 * tree-inline.c (estimate_num_insns_1): Added cases for new
7361 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7362 * tree-pretty-print.c (dump_generic_node): Likewise.
7363 (op_prio): Likewise.
7364 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7365 * tree-ssa-operands.c (get_expr_operands): Added case for
7367 * tree-vect-patterns.c (widened_name_p): New function.
7368 (vect_recog_dot_prod_pattern): Added function implementation.
7369 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7370 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7371 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7372 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7374 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7375 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7376 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7377 (init_optabs): Initialize new optabs widen_ssum_optab,
7379 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7380 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7381 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7382 use instead of type of def.
7383 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7384 function implementation.
7385 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7386 widen_ssumv8hi): New.
7388 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7391 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7394 * c-decl.c (add_flexible_array_elts_to_size): New function.
7395 (finish_decl): Use it.
7397 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7399 * diagnostic.h: Include options.h.
7400 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7401 dependancies for diagnostic.h.
7402 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7404 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7406 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7407 (ssa_ro_call_cache_valid): Ditto.
7408 * tree-ssa-alias.c (sort_tags_by_id): New function.
7409 (init_transitive_clobber_worklist): Ditto.
7410 (add_to_worklist): Ditto.
7411 (mark_aliases_call_clobbered): Ditto.
7412 (compute_tag_properties): Ditto.
7413 (set_initial_properties): Ditto.
7414 (compute_call_clobbered): Ditto.
7415 (compute_may_aliases): Call compute_call_clobbered and grouping.
7416 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7417 (compute_flow_insensitive_aliasing): Grouping now happens in our
7419 (setup_pointers_and_addressables): Remove clobbering related code.
7420 (add_may_alias): Ditto.
7421 (replace_may_alias): Ditto.
7422 (get_nmt_for): Ditto.
7423 (create_global_var):
7424 (is_escape_site): Return an escape_type enumeration.
7425 * tree-flow-inline.h (is_call_clobbered): Global var does not
7426 imply call clobbered.
7427 (mark_call_clobbered): Take a reason for marking this. Remove
7428 marking of globalness, and cache invalidation.
7429 (clear_call_clobbered): Remove cache invalidation code.
7430 * tree-dfa.c (dump_variable): If details is on, dump the reason
7432 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7434 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7435 (struct var_ann_d): Ditto.
7436 (enum escape_type): New.
7437 (mark_call_clobbered): Adjust prototype.
7438 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7439 are never call clobbered.
7440 Record reasons for escaping.
7441 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7442 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7443 (ssa_ro_call_cache_valid): Ditto.
7444 (clobbered_v_may_defs): Ditto.
7445 (clobbered_vuses): Ditto.
7446 (ro_call_vuses): Ditto.
7447 (clobber_stats): New.
7448 (init_ssa_operands): Zero out clobber stats.
7449 (fini_ssa_operands): Print out clobber stats.
7450 (get_call_expr_operands): Pass callee fndecl to
7452 (add_call_clobber_ops): Remove use of cache.
7453 Add use of PURE_CONST information.
7454 (add_call_read_ops): Remove use of cache.
7455 Add use of static not_read information.
7457 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7459 Introduce TLS descriptors for i386 and x86_64.
7460 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7461 (TARGET_ANY_GNU_TLS): New macro.
7462 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7463 (struct machine_function): Add tls_descriptor_call_expanded_p.
7464 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7465 (ix86_current_function_calls_tls_descriptor): Likewise.
7466 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7467 (override_options): Introduce gnu2 tls dialect.
7468 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7470 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7472 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7473 (ix86_init_machine_status): Initialize new field.
7474 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7475 (ix86_tls_module_base): New.
7476 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7477 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7478 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7479 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7480 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7481 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7482 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7483 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7484 * config/i386/predicates.md (tls_modbase_operand): New.
7485 (tp_or_register_operand): New.
7487 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7489 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7490 (look_for_address_of): Ditto.
7491 (ipa_init): Walk the function decls.
7492 (static_execute): Don't set readonly on FUNCTION_DECL's.
7494 2006-01-18 Roger Sayle <roger@eyesopen.com>
7496 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7497 for shifts where the source and destination registers are different.
7499 2006-01-18 Paul Brook <paul@codesourcery.com>
7501 Merge from csl-arm-branch.
7502 2005-03-14 Julian Brown <julian@codesourcery.com>
7503 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7504 (aeabi_llsl): Likewise.
7505 (ashrdi3): Likewise.
7506 (aeabi_lasr): Likewise.
7507 (lshrdi3): Likewise.
7508 (aeabi_llsr): Likewise.
7509 2005-03-10 Julian Brown <julian@codesourcery.com>
7510 * config.gcc: Disable shared libgcc for SymbianOS.
7511 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7513 2006-01-18 DJ Delorie <dj@redhat.com>
7515 * c-pragma.c (handle_pragma_diagnostic): New.
7516 (init_pragma): Register it.
7517 * doc/extend.texi: Document it.
7519 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7520 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7521 (diagnostic_context): Add classify_diagnostic[].
7522 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7523 as errors if they're overridden to DK_WARNING.
7524 (diagnostic_initialize): Initialize classify_diagnostic[].
7525 (diagnostic_set_kind_override): New.
7526 (diagnostic_report_diagnostic): Check for kind changes.
7527 * opts.c (common_handle_option): Take lang_mask. Update callers.
7529 * common.opt (Werror=): New.
7530 * doc/invoke.texi: Document -Werror=*
7532 2006-01-18 Jeff Law <law@redhat.com>
7534 * tree-vrp.c (test_for_singularity): Correct test for new
7535 min limit. Use operand_equal_p rather than pointer equality
7536 for testing if new min/max values are equal.
7538 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7539 using range information until after propagation and folding.
7541 2006-01-18 Richard Henderson <rth@redhat.com>
7542 Aldy Hernandez <aldyh@redhat.com>
7543 Jakub Jelinek <jakub@redhat.com>
7544 Diego Novillo <dnovillo@redhat.com>
7546 * omp-low.c: New file.
7547 * c-omp.c: New file.
7549 2006-01-18 Richard Henderson <rth@redhat.com>
7550 Jakub Jelinek <jakub@redhat.com>
7551 Diego Novillo <dnovillo@redhat.com>
7553 * doc/invoke.texi: Document -fopenmp.
7554 * tree-dump.h (debug_function): Declare.
7555 * hooks.c (hook_bool_tree_bool_false): New function.
7556 (hook_tree_tree_null): Remove.
7557 (hook_tree_tree_tree_null): New.
7558 * hooks.h: Update to match.
7559 * tree-pretty-print.c (debug_tree_chain): New.
7560 (print_generic_expr): Handle TDF_CHAIN.
7561 (dump_generic_node): Handle BLOCK.
7562 Do not abort with incomplete SWITCH_EXPRs.
7563 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7564 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7565 print space after directive name.
7566 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7567 Handle OMP_MASTER and OMP_ORDERED.
7568 Handle printing of OMP_BODY just in one place, goto
7569 dump_omp_body in the rest of OMP_* nodes that have
7571 Don't handle clause nodes here. Update omp statements to
7572 use dump_omp_clauses.
7573 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7574 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7575 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7576 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7577 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7578 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7579 Adjust output for GOMP_PARALLEL.
7580 (dump_omp_clauses): New.
7581 (print_declaration): Dump DECL_VALUE_EXPR.
7582 (op_symbol_1): Split out of op_symbol.
7583 (dumping_stmts): Remove. Update all users.
7584 * cgraph.c (cgraph_analyze_queue): New.
7585 (cgraph_add_new_function): New.
7586 * cgraph.h (cgraph_analyze_queue): Declare.
7587 (cgraph_add_new_function): Declare.
7588 (cgraph_lower_function): Remove.
7589 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7590 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7591 and TYPE_P nodes in its default clause.
7592 (empty_body_p): New.
7593 (tree_range_check_failed): New.
7595 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7596 OMP_CLAUSE_REDUCTION_MERGE,
7597 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7598 OMP_CLAUSE_PRIVATE_DEBUG,
7599 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7600 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7601 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7602 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7603 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7604 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7605 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7606 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7607 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7608 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7609 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7610 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7611 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7612 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7613 (TREE_RANGE_CHECK): New.
7614 (empty_body_p): Declare.
7615 (enum omp_clause_default_kind): New.
7616 (build_string_literal): Declare.
7617 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7618 (build5_stat, build5): Declare.
7619 * tree-pass.h (TDF_CHAIN): Define.
7620 * tree-pass.h (PROP_gimple_lomp): Define.
7621 (pass_lower_omp): Declare.
7622 * diagnostic.h (debug_tree_chain): Declare.
7623 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7625 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7626 * builtins.c (build_string_literal): Make extern.
7627 * gcc.c (include_spec_function): New.
7628 (static_spec_functions): Add it.
7629 (main): Move load of libgomp.spec ...
7630 (LINK_COMMAND_SPEC): ... here.
7631 (link_gomp_spec): New.
7632 (static_specs): Include it.
7633 (LINK_COMMAND_SPEC): Add link_gomp.
7634 (GOMP_SELF_SPECS): New.
7635 (driver_self_specs): Include it.
7636 (switch_matches): Don't mark inline.
7637 (main): Load libgomp.spec.
7638 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7639 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7640 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7641 * tree-gimple.h (enum omp_parallel): Declare.
7642 (determine_parallel_type): Declare.
7643 (omp_firstprivatize_variable): Declare.
7644 (omp_reduction_init): Declare.
7645 (diagnose_omp_structured_block_errors): Declare.
7646 (struct walk_stmt_info): Add want_return_expr.
7647 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7648 (find_omp_clause): Declare.
7649 (insert_field_into_struct): Declare.
7650 (struct walk_stmt_info): Move from tree-nested.c
7651 (walk_stmts): Declare.
7652 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7654 * cgraphunit.c (cgraph_lower_function): Make static.
7655 (cgraph_finalize_pending_functions): New.
7656 (cgraph_finalize_function): Call it.
7657 (cgraph_finalize_compilation_unit): Likewise.
7658 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7659 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7660 (BT_FN_UINT_UINT): New.
7661 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7662 DEF_FUNCTION_TYPE_VAR_4): Document.
7663 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7664 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7665 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7666 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7667 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7668 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7669 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7670 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7671 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7672 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7673 into separate files.
7674 (DEF_GOMP_BUILTIN): New.
7675 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7676 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7677 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7678 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7679 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7680 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7681 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7682 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7683 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7684 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7685 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7686 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7687 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7688 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7689 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7690 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7691 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7692 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7693 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7694 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7695 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7696 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7697 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7698 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7699 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7700 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7701 * sync-builtins.def: New file, moved from builtins.def.
7702 * omp-builtins.def: New file, moved from builtins.def.
7703 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7704 * gimple-low.c (lower_function_body): Clear data.
7705 (lower_stmt): Do not handle COMPOUND_EXPR.
7706 Remove call to print_node_brief.
7707 * c-tree.h (c_finish_omp_clauses): New prototype.
7708 (C_DECL_THREADPRIVATE_P): Define.
7709 (lookup_name_no_remap, c_omp_remap_private): Remove
7710 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7711 (check_for_loop_decls): Update decl.
7712 (lookup_name_no_remap, c_omp_remap_private): Declare.
7713 (build_indirect_ref, build_modify_expr, pushdecl,
7714 pushdecl_top_level): Move to c-common.h.
7715 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7716 before the switch, but just in the 2 places that need it.
7717 * c-decl.c (diagnose_mismatched_decls): Do not check for
7718 mismatched thread-local attributes when OLDDECL is marked
7719 threadprivate and NEWDECL has no thread-local attributes.
7720 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7721 (c_gimple_diagnostics_recursively): Rename from
7722 c_warn_unused_result_recursively. Invoke
7723 diagnose_omp_structured_block_errors.
7724 (check_for_loop_decls): Return a singular decl found.
7725 * langhooks.c (lhd_omp_predetermined_sharing): Return
7726 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7727 (lhd_omp_firstprivatize_type_sizes): New.
7728 (lhd_omp_assignment): New.
7729 (lhd_omp_predetermined_sharing): New.
7730 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7731 (struct lang_hooks_for_types): Add
7732 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7733 omp_predetermined_sharing, omp_disregard_value_expr,
7734 omp_private_debug_clause, omp_clause_default_ctor,
7735 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7736 (c_finish_omp_clauses): New.
7737 (c_finish_bc_stmt): Diagnose break within omp for.
7738 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7739 (build_unary_op): Return error_mark after reporting
7741 (build_modify_expr): Likewise.
7742 * gimplify.c: Include optabs.h and pointer-set.h.
7743 (enum gimplify_omp_var_data): Declare.
7744 (struct gimplify_omp_ctx): Declare.
7745 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7747 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7748 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7749 (splay_tree_compare_decl_uid): New.
7750 (new_omp_context): New.
7751 (delete_omp_context): New.
7752 (gimple_add_tmp_var): Call omp_add_variable.
7753 (gimplify_bind_expr): Likewise.
7754 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7755 true, disregard DECL_VALUE_EXPR on the decl if any.
7756 (gimplify_expr_in_ctx): New.
7757 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7758 omp_add_variable, omp_notice_variable, omp_is_private
7759 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7760 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7761 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7762 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7763 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7764 gimplify_omp_atomic): New.
7765 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7766 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7767 OMP_CRITICAL and OMP_ATOMIC.
7768 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7769 * c-pragma.h (enum pragma_kind): Add
7770 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7771 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7772 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7773 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7774 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7775 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7776 PRAGMA_OMP_THREADPRIVATE.
7777 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7778 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7779 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7780 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7781 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7782 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7783 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7784 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7785 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7786 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7787 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7788 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7789 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7791 (struct nesting_info): Add field_map,
7792 suppress_expansion, debug_var_chain.
7793 (create_nesting_tree): Initialize them.
7794 (lookup_field_for_decl): Use field_map.
7795 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7796 (convert_local_omp_clauses): New.
7797 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7798 (walk_body): Split out of walk_function.
7799 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7800 (convert_nonlocal_reference): Handle omp statements.
7801 (convert_local_reference): Likewise.
7802 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7803 (unnest_nesting_tree): New.
7804 (lower_nested_functions): Call it.
7805 (insert_field_into_struct): Make extern.
7806 (struct walk_stmt_info): Move to tree-gimple.h.
7807 (walk_stmts): Make extern.
7808 * omp-builtins.def: New file.
7809 * tree-iterator.c (expr_only): Clarify comment.
7810 * c-common.h (pushdecl_top_level, pushdecl,
7811 build_modify_expr, build_indirect_ref,
7812 c_finish_omp_master, c_finish_omp_critical,
7813 c_finish_omp_ordered, c_finish_omp_barrier,
7814 c_finish_omp_atomic, c_finish_omp_flush,
7815 c_finish_omp_for, c_split_parallel_clauses,
7816 omp_clause_default_kind, c_omp_sharing_predetermined,
7817 c_omp_remap_decl): Declare.
7818 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7819 (OBJS-common): Add omp-low.o.
7820 (c-omp.o, omp-low.o): Add.
7821 (gimplify.o): Add dependency on $(OPTABS_H).
7822 (GTFILES): Add omp-low.c.
7823 (gt-stringpool.h): Add.
7824 * tree-cfg.c (set_bb_for_stmt): Do not update the
7825 block-to-labels map if we are currently expanding to RTL.
7826 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7828 Handle IDENTIFIER_NODE.
7829 (tree_verify_flow_info): Do not ICE when emitting error
7830 messages about invalid labels.
7831 (dump_function_to_file): Reset CFUN before emitting the body
7833 (debug_function): New.
7834 * passes.c (init_optimization_passes): Schedule
7836 * langhooks-def.h (lhd_omp_predetermined_sharing,
7837 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7839 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7840 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7841 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7842 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7843 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7844 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7845 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7846 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7847 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7848 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7849 (LANG_HOOK_DECLS): Use them.
7851 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7852 Richard Henderson <rth@redhat.com>
7853 Jakub Jelinek <jakub@redhat.com>
7854 Diego Novillo <dnovillo@redhat.com>
7856 * c-parser.c (pragma_omp_clause): Define.
7857 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7858 (c_parser_compound_statement): Likewise.
7859 (c_parser_statement): Likewise.
7860 (c_parser_pragma): Handle omp pragmas.
7861 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7862 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7863 (c_parser_omp_clause_name, check_no_duplicate_clause,
7864 c_parser_omp_variable_list,
7865 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7866 c_parser_omp_clause_copyprivate,
7867 c_parser_omp_clause_default,
7868 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7869 c_parser_omp_clause_lastprivate,
7870 c_parser_omp_clause_nowait,
7871 c_parser_omp_clause_num_threads,
7872 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7873 c_parser_omp_clause_reduction,
7874 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7875 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7876 c_parser_omp_atomic, c_parser_omp_barrier,
7877 c_parser_omp_critical, c_parser_omp_flush,
7878 c_parser_omp_for_loop, c_parser_omp_for,
7879 c_parser_omp_master, c_parser_omp_ordered,
7880 c_parser_omp_sections_scope, c_parser_omp_sections,
7881 c_parser_omp_parallel, c_parser_omp_single,
7882 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7883 * c-pragma.c (init_pragma): Do omp pragma registration here.
7884 * c.opt (fopenmp): New flag.
7886 2006-01-18 Eric Christopher <echristo@apple.com>
7888 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7889 * config/darwin.h (GOMP_SELF_SPECS): Define.
7891 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7893 * rtl.h: Remove the prototype for reg_alloc.
7895 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7898 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7899 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7900 sjlj and dwarf2 exception handling.
7901 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7902 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7903 * pa/pa.c (function_value): Treat complex and vector types as
7905 (function_arg): Likewise. Only pass scalar floats in the floating
7906 point argument registers.
7907 * pa/t-slibgcc-dwarf-ver: New file.
7908 * pa/t-slibgcc-sjlj-ver: New file.
7909 * pa/t-slibgcc-elf-ver: Delete file.
7911 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7913 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7914 unlikely_test_section_p test.
7916 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7918 * mode-switching.c (optimize_mode_switching): Make it static.
7919 * basic-block.h: Remove the prototype for
7920 optimize_mode_switching.
7922 * modulo-sched.c (sms_schedule): Make it static.
7923 * rtl.h: Remove the prototype for sms_schedule.
7925 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7926 * rtl.h: Remove the prototype for gcse_after_reload_main.
7928 * reg-stack.c (reg_to_stack): Make it static.
7929 * rtl.h: Remove the prototype for reg_to_stack.
7931 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7933 * rtl.h: Remove the prototypes for regrename_optimize and
7934 copyprop_hardreg_forward.
7936 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7938 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7939 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7940 Test against the appropriate null constant for the mode.
7941 If 'fixup_overlap' is true, swap the operands if they overlap.
7942 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7943 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7944 alpha_split_tmode_pair and adjust for above change.
7945 * config/alpha/alpha.md (movtf_internal): Adjust call to
7946 alpha_split_tfmode_pair and rely on it to swap the operands.
7947 (movti_internal): New insn and post-reload splitter.
7948 (movti): New expander.
7950 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7952 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7955 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7957 * rtlanal.c (global_reg_mentioned_p_1,
7958 global_reg_mentioned_p): Remove.
7959 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7961 * flow.c (initialize_uninitialized_subregs): Make it static.
7962 * rtl.h: Remove the prototype for
7963 initialize_uninitialized_subregs.
7965 * function.c (instantiate_virtual_regs): Make it static.
7966 * function.h: Remove the prototype for
7967 instantiate_virtual_regs.
7969 * regmove.c (regmove_optimize, combine_stack_adjustments):
7971 * rtl.h: Remove the prototypes for regmove_optimize and
7972 combine_stack_adjustments.
7974 2006-01-17 Roger Sayle <roger@eyesopen.com>
7976 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7977 (size_cost): Encode costs in bytes so that a reg-reg addition is
7978 equivalent to COSTS_N_INSNS(1).
7979 (override_options): Use the size_cost.branch_cost as the default
7980 ix86_branch_cost when optimizing for size.
7982 2006-01-18 Ben Elliston <bje@au.ibm.com>
7984 * Makefile.in (D32PBIT_FUNCS): New.
7985 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7986 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7987 D64PBIT_FUNCS and D128PBIT_FUNCS.
7988 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7989 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7991 (decnumber_dep): Define.
7992 * doc/libgcc.texi (Decimal float library routines): New node.
7993 * config/dfp-bit.h, config/dfp-bit.c: New files.
7995 2006-01-18 Ben Elliston <bje@au.ibm.com>
7997 * expr.c (emit_move_change_mode): Always adjust addresses, not
7998 just during reload. Copy replacements only during reload.
7999 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8000 emit_move_via_integer.
8002 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8004 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8005 instead of $(srcdir) and ${srcdir}.
8007 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8011 * arm.h (struct machine_function): Add pic_reg.
8012 * arm.c (arm_pic_register): Make unsigned.
8013 (arm_override_options): Only set arm_pic_register if
8014 TARGET_SINGLE_PIC_BASE.
8015 (use_return_insn): Only test for a pic register if it is fixed.
8016 (arm_compute_save_reg0_reg12_mask): Likewise.
8017 (thumb_compute_save_reg_mask): Likewise.
8018 (legitimate_pic_operand): Factor out some known invariants.
8019 (legitimize_pic_address): If we don't have a fixed pic register,
8020 then set up a pseudo in the function entry sequence. Handle the
8021 pic base being in a pseudo.
8022 (arm_load_pic_register): Handle the pic register being in a pseudo.
8023 (arm_expand_prologue): Only set up the pic register if it is fixed.
8024 (thumb_expand_prologue): Likewise.
8025 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8026 (pic_load_addr_based_insn): Likewise.
8027 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8030 2006-01-18 Ben Elliston <bje@au.ibm.com>
8032 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8033 decimal float modes for all floating point registers.
8035 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8036 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8038 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8041 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8042 even when the pointer is not NULL.
8044 2006-01-16 Ian Lance Taylor <ian@airs.com>
8046 * common.opt (ftoplevel-reorder): New option.
8047 * cgraph.c (cgraph_asm_nodes): New global variable.
8048 (cgraph_asm_last_node): New static variable.
8049 (cgraph_order): New global variable.
8050 (cgraph_create_node): Set new order field.
8051 (cgraph_varpool_node): Likewise.
8052 (decide_is_variable_needed): Return true if not
8053 flag_toplevel_reorder.
8054 (cgraph_add_asm_node): New function.
8055 * cgraph.h (struct cgraph_node): Add order field.
8056 (struct cgraph_varpool_node): Add order field.
8057 (struct cgraph_asm_node): Define.
8058 (cgraph_asm_nodes, cgraph_order): Declare.
8059 (cgraph_add_asm_node): Declare.
8060 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8062 (cgraph_varpool_assemble_pending_decls): Call it.
8063 (cgraph_output_pending_asms): New static function.
8064 (cgraph_finalize_compilation_unit): Call it.
8065 (struct cgraph_order_sort): Define.
8066 (cgraph_output_in_order): New static function.
8067 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8068 !flag_toplevel_reorder case.
8069 * c-parser.c: Include "cgraph.h".
8070 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8072 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8073 than -fno-unit-at-a-time.
8074 * doc/invoke.texi (Option Summary): Mention
8075 -fno-toplevel-reorder.
8076 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8077 -funit-at-a-time documentation.
8079 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8080 Kazu Hirata <kazu@codesourcery.com>
8082 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8084 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8086 * Makefile.in (FUNCTION_H): New. Use it instead of
8087 function.h throughout the file.
8088 * function.h: Include tree.h.
8090 2006-01-17 Ben Elliston <bje@au.ibm.com>
8092 * recog.c: Separate some functions with whitespace.
8094 2006-01-16 Richard Henderson <rth@redhat.com>
8096 Merge from gomp branch:
8097 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8098 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8099 and rename from struct inline_data. Rename callee* to dst*;
8100 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8101 transform_new_cfg, transform_return_to_modify, and
8102 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8104 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8105 (copy_decl_for_dup): Remove.
8106 * tree-inline.c (struct inline_data): Move to header.
8107 (insert_decl_map): Export.
8108 (remap_decl): Update for member name changes. Use copy_decl hook.
8109 Allow for replacement to be a non-decl. Remove dead code.
8110 (remap_type_1): Check for existing mapping.
8111 (remap_type): Export.
8112 (remap_decls): Update for member name changes.
8113 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8114 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8115 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8116 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8117 (tree_function_versioning, build_duplicate_type): Likewise.
8118 (copy_body_r): Likewise. Export.
8119 (copy_decl_for_dup): Split into ...
8120 (copy_decl_for_dup_finish, copy_decl_to_var,
8121 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8122 (replace_ref_tree, inlining_p): Remove.
8124 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8126 * ifcvt.c (if_convert): Make it static.
8127 * rtl.h: Remove the prototype for if_convert.
8129 * local-alloc.c (local_alloc): Make it static.
8130 * rtl.h: Remove the prototype for local_alloc.
8132 * loop.c (loop_optimize): Make it static.
8133 * cfgloop.h: Remove the prototype for loop_optimize.
8136 2006-01-16 DJ Delorie <dj@redhat.com>
8138 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8141 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8143 * pa.md: Disparage copies between general and floating-point registers
8144 in 32-bit move patterns.
8146 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8149 * Makefile.in (check-%): Depend on site.exp instead of
8150 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8153 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8155 * global.c (global_alloc): Make it static.
8156 * rtl.h: Remove the prototype for global_alloc.
8158 2006-01-16 Richard Guenther <rguenther@suse.de>
8160 * tree-ssa-alias.c (struct used_part): Add write_only field.
8161 (get_or_create_used_part_for): Initialize it to true.
8162 (create_overlap_variables_for): Don't create structure variables
8163 for structures that only are written to.
8164 (find_used_portions): Handle MODIFY_EXPR to track whether a
8165 structure is only written to.
8167 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8169 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8171 * basic-block.h: Remove the prototype for
8172 partition_hot_cold_basic_blocks.
8174 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8176 * cppspec.c (lang_specific_spec_functions): Remove.
8177 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8178 * gcc.h (lang_specific_spec_functions): Remove.
8179 * gccspec.c (lang_specific_spec_functions): Remove.
8181 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8183 * combine.c (record_value_for_reg): Invalidate registers
8185 (record_dead_and_set_regs_1): Likewise, by passing them to
8186 record_value_for_reg.
8187 (record_dead_and_set_regs): Invalidate stores made by a
8188 call. We do not combine across a call, but we still
8189 relied on equivalences.
8191 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8193 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8194 vrp_int_const_binop returning non-constant nodes.
8196 2006-01-16 Paul Brook <paul@codesourcery.com>
8198 * config/m68k/m68k.c (output_move_const_into_data_reg):
8199 Output correct mnemonic for mvz and mvs.
8201 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8203 * rtl-factoring.c: Add sequence abstraction algorithm.
8204 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8205 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8207 (block_has_preserve_label): New function.
8208 * common.opt: Register new pass.
8209 * Makefile.in: Ditto.
8211 * timevar.def: Ditto.
8212 * tree-pass.h: Ditto.
8213 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8214 * rtl.h (make_jump_insn_raw): Add forward decl.
8215 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8217 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8218 Roger Sayle <roger@eyesopen.com>
8220 * fold-const.c (fold_minmax): New static function.
8221 (fold_binary) <MIN_EXPR>: Call it.
8222 <MAX_EXPR>: Likewise.
8223 * stor-layout.c (place_field): Use DECL_SIZE consistently
8224 in the computation of the new record size.
8226 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8228 * cse.c (cse_condition_code_reg): Make it static.
8229 * rtl.h: Remove the prototype for cse_condition_code_reg.
8231 * combine.c (combine_instructions): Make it static.
8232 * rtl.h: Remove the prototype for combine_instructions.
8234 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8237 * tree.c (get_file_function_name_long): Concatenate the first global
8238 object name with a string derived from the input filename of the object
8241 2006-01-16 Ben Elliston <bje@au.ibm.com>
8243 * config/i386/winnt-stubs.c: Update FSF address.
8244 * config/xtensa/ieee754-df.S: Ditto.
8245 * config/xtensa/ieee754-sf.S: Ditto.
8247 2006-01-14 Ian Lance Taylor <ian@airs.com>
8249 * ifcvt.c (noce_init_if_info): New static function, broken out of
8250 noce_process_if_block.
8251 (noce_process_if_block): Call noce_init_if_info.
8252 (check_cond_move_block): New static function.
8253 (cond_move_process_if_block): New static function.
8254 (process_if_block): Call cond_move_process_if_block.
8256 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8258 * cselib.c (hash_table): Rename to cselib_hash_table.
8259 (cselib_clear_table, discard_useless_values,
8260 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8261 cselib_init, cselib_finish): Adjust uses of hash_table.
8263 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8265 PR tree-optimization/25485
8266 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8267 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8268 is known to be false and true, respectively.
8270 2006-01-14 Richard Guenther <rguenther@suse.de>
8272 PR tree-optimization/22548
8273 PR tree-optimization/22555
8274 PR tree-optimization/22501
8275 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8276 * params.def (salias-max-array-elements): New parameter.
8277 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8278 * doc/invoke.texi (salias-max-array-elements): Document.
8279 * tree-flow-inline.h (var_can_have_subvars): We also handle
8281 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8283 * tree-ssa-structalias.c (params.h): Include.
8284 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8285 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8286 (get_constraint_for): For ADDR_EXPR operating on something
8287 containing an ARRAY_REF, add all subvars to the solution.
8288 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8289 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8290 for creating MUST_DEFs.
8291 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8293 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8295 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8297 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8298 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8299 number_of_iterations_le): New functions.
8300 (number_of_iterations_special): Removed.
8301 (number_of_iterations_exit): Do not use number_of_iterations_special.
8302 * tree.c (unsigned_type_for): Always return integer type.
8304 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8305 Richard Guenther <rguenther@suse.de>
8307 PR rtl-optimization/24257
8308 * gcse.c (find_moveable_store): Only consider a store movable
8309 when the SET_SRC of the insn can be assigned to a register.
8311 2006-01-14 Ian Lance Taylor <ian@airs.com>
8313 * tree.c (tree_not_class_check_failed): New function.
8314 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8315 (tree_not_class_check_failed): Declare.
8317 2006-01-13 Ian Lance Taylor <ian@airs.com>
8319 * reload1.c (do_output_reload): Add assertion rejecting a
8322 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8324 * combine.c (struct reg_stat): Add new fields truncation_label and
8326 (record_value_for_reg): Reset truncated_to_mode.
8327 (record_truncated_value): New function.
8328 (check_promoted_subreg): Call it. Rename to check_conversions.
8329 (combine_instructions): Rename check_promoted_subreg to
8331 (reg_truncated_to_mode): New function.
8332 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8333 (gen_lowpart_or_truncate): New function.
8334 (force_to_mode): Use it instead of gen_lowpart.
8336 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8338 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8339 VAR is a tag, not its type tag.
8341 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8343 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8344 alternatives to match style of other entries.
8345 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8347 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8349 PR tree-optimization/25771
8350 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8353 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8356 * tree-inline.c (declare_return_variable): If the return variable
8357 was marked as a non gimple complex, set the return slot variable
8358 to be a non gimple comple variable.
8360 2006-01-13 Richard Guenther <rguenther@suse.de>
8362 * builtins.c (expand_builtin_sincos): New function.
8363 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8365 (expand_builtin): Expand sincos using expand_builtin_sincos.
8367 2006-01-12 DJ Delorie <dj@redhat.com>
8369 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8370 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8371 so that constant shifts can be split.
8372 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8373 (m32c_valid_pointer_mode): Make static.
8374 (shift_gen_func_for): New.
8375 (m32c_prepare_shift): Use it. Split large const shifts into
8377 * config/m32c/predicates.md (shiftcount_operand): Allow more
8379 (longshiftcount_operand): New.
8380 * doc/md.texi (Machine Constraints): Document In6.
8382 2006-01-13 Ben Elliston <bje@au.ibm.com>
8384 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8385 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8388 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8390 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8391 to try to avoid clobbering pieces of structures when we know
8392 something about the whole structure.
8393 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8395 2006-01-13 Ben Elliston <bje@au.ibm.com>
8397 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8398 return in memory, as this is no limitation is no longer present.
8400 2006-01-12 DJ Delorie <dj@redhat.com>
8402 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8403 mova with fb, and for fb+0 -> An.
8405 * config/m32c/mov.md (peephole2): Fix enabling logic.
8407 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8408 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8409 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8410 FINI_ARRAY_SECTION_ASM_OP): Define.
8412 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8414 (m32c_legitimize_reload_address): New logic to reload FB to An.
8415 (m32c_output_reg_push): Add newline.
8416 (m32c_output_reg_pop): Likewise.
8418 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8420 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8422 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8424 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8426 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8428 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8431 2006-01-11 Ben Elliston <bje@au.ibm.com>
8433 * rtlanal.c (find_reg_note): Assert insn is not null.
8435 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8437 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8440 2006-01-11 Jeff Law <law@redhat.com>
8442 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8444 (mark_threaded_blocks, register_jump_thread): New functions.
8445 (thread_through_all_blocks): Remove unwanted argument. No
8446 longer rely on e->aux to communicate thread target info.
8447 Call mark_threaded_blocks. Release the threaded_blocks
8448 bitmap and threaded_edges vector when complete.
8449 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8450 (threaded_blocks): Remove.
8451 (tree_ssa_dominator_optimize): Remove initialization and
8452 finalization of threaded_blocks. Simplify call to
8453 thread_through_all_blocks.
8454 (thread_across_edge): Call register_jump_thread rather than
8455 storing thread information into e->aux.
8456 (free_all_edge_infos): Simplify now that e->aux is no longer
8457 used to communicate with thread_through_all_blocks.
8458 * tree-flow.h (thread_through_all_blocks): Update prototype.
8459 (register_jump_thread): Prototype.
8461 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8463 * df-core.c (df_compact_blocks, df_bb_replace): Use
8464 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8466 2006-01-11 Richard Guenther <rguenther@suse.de>
8468 PR tree-optimization/25734
8469 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8470 stop propagation after successful propagation to the LHS.
8472 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8474 * basic-block.h (control_flow_graph): Change the type of
8475 x_basic_block_info to VEC(basic_block,gc) *.
8476 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8478 (SET_BASIC_BLOCK): New.
8479 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8480 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8481 * cfgbuild.c (find_basic_blocks): Likewise.
8482 * cfglayout.c (fixup_reorder_chain): Likewise.
8483 * cfgrtl.c (create_basic_block_structure,
8484 rtl_create_basic_block): Likewise.
8485 * ifcvt.c (find_if_case_1): Likewise.
8486 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8489 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8491 * Makefile.in: Removed rotted odf.c entry.
8493 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8496 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8497 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8498 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8499 output pattern modifier, not %e.
8500 * config/cris/cris.c (cris_op_str): Update comment about pattern
8502 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8503 before falling through into...
8504 <case 'E'>: Redefined from old 'e' case.
8506 2006-01-11 Jan Hubicka <jh@suse.cz>
8509 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8511 2006-01-11 Jan Hubicka <jh@suse.cz>
8513 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8514 * i386.c (x86_decompose_lea): Kill.
8515 (ix86_rtx_costs): Kill.
8517 2006-01-11 Jan Hubicka <jh@suse.cz>
8519 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8520 * cgraph.h (cgraph_node): Add inline_decl.
8521 (cgraph_insert_node_to_hashtable): Declare.
8522 (save_inline_function_body): Declare.
8523 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8525 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8526 (cgraph_function_versioning): Update call of tree_function_versioning.
8527 (save_inline_function_body): New function.
8528 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8529 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8530 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8531 (cgraph_default_inline_p): Likewise.
8532 (cgraph_decide_inlining_incrementally): Likewise.
8533 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8534 (copy_bb): Kill saving; do updating of clones.
8535 (copy_cfg_body): Kill saving.
8536 (initialize_inlined-parameters): Likewise.
8537 (expand_call_inline): Likewise.
8539 (tree_function_versioning): New parameter "update_clones".
8540 (inlining_p): Kill saving.
8541 * tree-inline.h (tree_function_versioning): Update prototype.
8542 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8545 2006-01-11 Ian Lance Taylor <ian@airs.com>
8547 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8548 Allow undoing set of machine mode.
8549 (do_SUBST): Use enums instead of is_int.
8550 (do_SUBST_MODE): New function.
8551 (SUBST_MODE): New macro.
8552 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8553 reg and trying to replace reg_regno_rtx with a new register.
8554 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8555 (simplify_set): Use SUBST_MODE.
8556 (distribute_notes): Remove code that tried to update reg notes
8557 for regno_reg_rtx changes.
8559 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8561 PR tree-optimization/23109
8562 PR tree-optimization/23948
8563 PR tree-optimization/24123
8565 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8566 * tree-cfg.c (single_noncomplex_succ): New.
8567 * tree-flow.h (single_noncomplex_succ): Declare it.
8568 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8569 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8570 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8571 insert_bb, register_division_in, insert_reciprocals,
8572 replace_reciprocal, free_bb): New.
8573 (execute_cse_reciprocals_1): Rewritten.
8574 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8575 Do not commit any edge insertion. Always compute dominators and
8576 create the allocation pool.
8577 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8578 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8579 * targhooks.c (default_min_divistions_for_recip_mul): New.
8580 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8581 * passes.c (init_optimization_passes): Run recip after tree loop
8583 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8585 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8586 Kenneth Zadeck <zadeck@naturalbridge.com>
8588 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8589 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8590 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8591 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8592 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8593 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8594 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8595 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8596 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8597 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8598 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8599 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8600 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8601 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8602 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8603 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8604 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8605 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8606 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8607 DF_SCAN_POST_ALLOC): New macros.
8608 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8609 df_free_bb_function, df_local_compute_function, df_init_function,
8610 df_dataflow_function, df_confluence_function_0,
8611 df_confluence_function_n, df_transfer_function,
8612 df_finalizer_function, df_free_function, df_dump_problem_function,
8613 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8614 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8615 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8616 df_urec_bb_info, ) New types.
8617 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8619 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8620 df_analyze_simple_change_some_blocks,
8621 df_analyze_simple_change_one_block, df_compact_blocks,
8622 df_bb_replace, df_bb_regno_last_use_find,
8623 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8624 df_insn_regno_def_p, df_find_def, df_find_use,
8625 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8626 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8627 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8628 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8629 debug_df_chain, df_get_dependent_problem, df_chain_create,
8630 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8631 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8632 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8633 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8634 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8635 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8636 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8637 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8638 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8639 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8640 df_reorganize_refs, df_set_state, df_hard_reg_init,
8641 df_read_modify_subreg_p) New public functions.
8642 * df-core.c: The core dataflow solver and glue routines for rtl
8644 (df_init, df_add_problem, df_set_blocks, df_finish,
8645 df_hybrid_search_forward, df_hybrid_search_backward,
8646 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8647 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8648 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8649 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8650 df_reg_defined, df_find_use, df_reg_used, df_dump,
8651 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8652 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8653 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8654 debug_df_useno, reset_df_after_reload): New functions.
8655 * df-scan.c: The scanning fuctions, once in df.c, completely
8656 rewritten so that they now fully model the functionality of
8657 register usage at the backend.
8658 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8659 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8660 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8661 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8662 df_get_artificial_defs, df_get_artificial_uses,
8663 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8664 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8665 df_refs_delete, df_reorganize_refs, df_set_state,
8666 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8667 df_def_record_1, df_defs_record, df_uses_record,
8668 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8669 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8670 df_record_exit_block_uses, df_hard_reg_init): New functions.
8672 * df-problems.c: Seven concrete dataflow problems that use the
8673 scanning in df-scan.c and are solved by the engine in df-core.c.
8674 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8675 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8676 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8677 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8678 df_ru_free_bb_info, df_ru_alloc,
8679 df_ru_bb_local_compute_process_def,
8680 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8681 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8682 df_ru_transfer_function, df_ru_free, df_ru_dump,
8683 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8684 df_rd_free_bb_info, df_rd_alloc,
8685 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8686 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8687 df_rd_transfer_function, df_rd_free, df_rd_dump,
8688 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8689 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8690 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8691 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8692 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8693 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8694 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8695 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8696 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8697 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8698 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8699 df_urec_mark_reg_use_for_earlyclobber,
8700 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8701 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8702 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8703 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8704 df_chain_create_bb_process_use, df_chain_create_bb,
8705 df_chain_finalize, df_chain_free, df_chains_dump,
8706 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8707 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8708 df_reg_lifetime): New functions.
8709 * df.c: Deleted file.
8710 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8711 consistent with new df api.
8712 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8713 rest_of_handle_sms): Ditto.
8714 * web.c (unionfind_union, union_defs, entry_register, web_main):
8716 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8717 invariant_expr_equal_p, find_defs, check_dependencies,
8718 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8719 free_inv_motion_data, move_loop_invariants): Ditto.
8720 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8721 Update dependencies.
8722 (odf.c): Added defective entry that was deleted later in day.
8723 * sched-deps.c (sched_analyze_1): Ditto.
8725 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8727 * tree-ssa-operands.c (get_expr_operands): Record addressable
8728 variables directly. Do not call add_stmt_operands for CONST_DECLs
8730 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8731 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8733 2006-01-11 Ben Elliston <bje@au.ibm.com>
8735 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8736 function returns true in the positive case.
8738 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8741 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8742 for SI, DI, SF and DF modes. Add alternatives to copy between
8743 general and floating point registers to the 32-bit patterns.
8744 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8745 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8746 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8747 generating 64-bit code.
8748 * config/pa/pa.c (output_move_double): Handle copies between general
8749 and floating registers.
8751 2006-01-10 Stuart Hastings <stuart@apple.com>
8753 * config/i386/i386.md (set_got): Update.
8754 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8755 (builtin_setjmp_receiver): Mach-O support.
8756 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8757 (GOT_SYMBOL_NAME): Define.
8758 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8759 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8760 * config/i386/i386.c (override_options): Revise for Darwin.
8761 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8762 support. (darwin_x86_file_end): New. (output_set_got): Add label
8763 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8764 * config/i386/i386-protos.h (output_set_got): Likewise.
8765 * config/darwin.c (machopic_legitimize_pic_address): Update
8768 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8770 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8771 when MODE isn't BLKmode.
8773 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8775 PR rtl-optimization/25367
8776 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8778 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8781 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8782 for a negative bound.
8784 2006-01-10 Richard Guenther <rguenther@suse.de>
8786 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8787 Never override with anything constraint.
8789 2006-01-10 Jan Beulich <jbeulich@novell.com>
8791 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8792 256 bits when optimize_size.
8794 2006-01-10 Jan Beulich <jbeulich@novell.com>
8796 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8798 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8799 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8802 2006-01-10 Ben Elliston <bje@au.ibm.com>
8804 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8806 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8807 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8808 (USE_FP_FOR_ARG): Reject decimal float modes.
8809 (function_arg_advance): Likewise.
8810 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8811 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8812 point types in AltiVec vectors.
8813 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8814 (rs6000_libcall_value): Likewise.
8816 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8818 * config/xtensa/ieee754-df.S: New file.
8819 * config/xtensa/ieee754-sf.S: New file.
8820 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8821 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8822 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8824 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8826 * config/sh/predicates.md (binary_float_operator,
8827 binary_logical_operator, commutative_float_operator,
8828 equality_comparison_operator, greater_comparison_operator,
8829 less_comparison_operator, logical_operator,
8830 noncommutative_float_operator, shift_operator,
8831 symbol_ref_operand, unary_float_operator): Remove redundant
8834 2006-01-09 Jeff Law <law@redhat.com>
8836 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8837 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8838 now unused arguments. Callers updated.
8839 (eliminate_redundant_computations): Remove now unused arguments,
8841 (local_fold): Remove, no longer used.
8842 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8844 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8845 (simplify_cond): New function.
8846 (forward_propagate_into_cond): Call simplify_cond.
8848 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8850 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8851 (*vec_extractv2di_1_sse): New.
8853 2006-01-09 Ben Elliston <bje@au.ibm.com>
8855 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8857 2006-01-08 Richard Guenther <rguenther@suse.de>
8859 * tree-ssa-structalias.c (get_constraint_for): Remove
8861 (get_constraint_for_component_ref): Likewise.
8862 (do_deref): Likewise.
8863 (get_constraint_for): Likewise.
8864 (do_structure_copy): Likewise.
8865 (handle_ptr_arith): Likewise.
8866 (find_func_aliases): Likewise. Remove unused need_anyoffset
8869 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8870 Kaz Kojima <kkojima@gcc.gnu.org>
8872 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8873 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8874 (EXTRA_CONSTRAINT_C16): Remove.
8875 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8876 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8877 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8878 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8879 constants of SHmedia. Handle nested constant expressions of
8881 (andcosts): Fix the costs for SHmedia constants.
8882 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8883 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8884 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8885 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8886 (movv4hi_i, movv2si_i): Likewise.
8887 (movsi_const): Adjust the second operand of ior so to match with
8889 (movdi_const, movdi_const_32bit): Likewise.
8890 (movdi_const_16bit+1): Don't sign-extend LOW.
8891 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8893 (*double_shori): Fix the split condition. Use GEN_INT instead
8894 of get_int_mode calls. Mask lower 16-bit of the argument of
8896 (sym2GOTPLT): Remove.
8897 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8899 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8900 instead of EXTRA_CONSTRAINT_C16.
8902 2006-01-07 Ian Lance Taylor <ian@airs.com>
8903 David Edelsohn <edelsohn@gnu.org>
8905 PR rtl-optimization/25662
8906 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8907 for constant operands instead of simplify_gen_binary.
8908 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8909 after trying simplify_binary_operation
8911 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8913 * tree.c (iterative_hash_expr): Hash decls based on UID.
8915 2006-01-06 Eric Christopher <echristo@apple.com>
8917 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8918 (TARGET_UNWIND_EMIT): Fix spelling.
8919 * target.h (gcc_target): Add except_table_label.
8920 * except.c (output_function_exception_table): Use.
8921 * varasm.c (default_emit_except_table_label): New.
8922 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8924 (asm_out): Add here.
8925 * output.h (default_emit_except_table_label): Prototype.
8926 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8927 * config/darwin.c (darwin_emit_except_table_label): Define.
8928 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8930 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8932 PR tree-optimization/18527
8933 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8934 number_of_iterations_special, number_of_iterations_exit):
8935 Move base and step of an iv to a single structure. Add
8936 no_overflow flag, and use it in # of iterations analysis.
8937 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8938 folded_casts argument.
8939 (simple_iv): Pass base and step in a structure. Set no_overflow
8941 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8942 Evaluate expensiveness of computing # of iterations instead of
8943 the final expression.
8944 * tree-scalar-evolution.h (affine_iv): New structure.
8945 (simple_iv): Declaration changed.
8946 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8947 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8948 find_givs_in_stmt): Changed due to simple_iv change.
8950 2006-01-06 Jeff Law <law@redhat.com>
8953 * tree-cfg.c (bsi_replace): Rename final argument from
8954 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8955 change (stmt -> orig_stmt).
8956 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8957 (bsi_remove): Add new argument. Remove EH information
8959 (verify_eh_throw_table_statements): New function.
8960 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8962 * tree-optimize.c (execute_free_cfg_annotations): Verify
8963 the EH throw statement table after removing annotations.
8964 * except.h (verify_eh_throw_table_statements): Prototype.
8965 * tree-flow.h (bsi_remove): Update prototype.
8966 * tree-vrp.c (remove_range_assertions): Add new argument to
8968 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8969 * tree-complex.c (expand_complex_div_wide): Likewise.
8970 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8971 * tree-tailcall.c (eliminate_tailcall): Likewise.
8972 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8973 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8974 * tree-nrv.c (tree_nrv): Likewise.
8975 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8976 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8977 (combine_blocks): Likewise.
8978 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8979 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8980 (cleanup_control_flow): Likewise.
8981 (remove_forwarder_block): Likewise.
8982 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8983 * tree-sra.c (sra_replace): Likewise.
8984 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8985 (forward_propagate_single_use_vars): Likewise.
8986 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8987 * tree-inline.c (expand_call_inline): Likewise.
8988 * tree-vect-transform.c (vect_transform_loop): Likewise.
8989 * tree-outof-ssa.c (rewrite_trees): Likewise.
8990 * tree-cfg.c (make_goto_expr_edges): Likewise.
8991 (cleanup_dead_labels): Likewise.
8992 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8993 (bsi_move_before, bsi_move_after): Likewise.
8994 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8995 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8997 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9000 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9002 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9003 on non gimple variables. Also add checks at the top for decls and
9005 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9007 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9008 and IMAGPART_EXPR for creating MUST_DEFs.
9009 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9010 and NAME_MEMORY_TAG separately from the DECLs.
9012 2006-01-06 Richard Guenther <rguenther@suse.de>
9014 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9015 annotation, if necessary.
9016 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9017 redundant calls to update_stmt.
9018 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9021 2006-01-05 Richard Henderson <rth@redhat.com>
9023 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9025 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9027 * c-typeck.c: Update copyright date.
9029 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9031 * c-typeck.c (build_c_cast): Always warn when casting
9032 from a pointer to an integer of different size, even if
9033 the node was constant.
9035 2006-01-05 Richard Guenther <rguenther@suse.de>
9037 PR tree-optimization/22555
9038 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9039 if one structure field is an array.
9040 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9041 operands even if we found a subvar, but ignore VOPs in this
9043 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9045 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9047 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9050 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9052 2006-01-05 Richard Guenther <rguenther@suse.de>
9053 Diego Novillo <dnovillo@redhat.com>
9055 * tree-pass.h (TODO_remove_unused_locals): Define.
9056 * gimple-low.c (expand_var_p, remove_useless_vars,
9057 pass_remove_useless_vars): Remove. Update all users.
9058 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9059 (remove_unused_locals): New function.
9060 * tree-flow.h (remove_unused_locals): Declare.
9061 * passes.c (execute_todo): Call remove_unused_locals if
9062 TODO_remove_unused_locals is set.
9063 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9064 * tree-ssa-dce.c (pass_dce): Likewise.
9065 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9067 2006-01-05 Richard Guenther <rguenther@suse.de>
9069 * tree-flow.h (struct fieldoff): Decompose field to
9070 type, size and decl.
9071 * tree-ssa-alias.c (create_sft): Take type as parameter.
9072 (create_overlap_variables_for): Store type, size and decl
9073 in the fieldoff structure.
9074 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9076 (push_fields_onto_fieldstack): Likewise.
9077 (create_variable_info_for): Likewise. Use offset for the
9078 SFT name if the decl is not available.
9080 2006-01-04 Paul Brook <paul@codesourcery.com>
9082 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9084 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9086 * lambda-code.c (can_put_in_inner_loop): Relax
9088 (can_put_after_inner_loop): New function.
9089 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9090 (perfect_nestify): Change to make copies and modify uses.
9092 2006-01-04 Richard Henderson <rth@redhat.com>
9094 Merge from gomp branch:
9095 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9096 via integer constant.
9097 (pragma_lex): Remove.
9098 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9099 rather than parsing it.
9100 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9101 handle_pragma_extern_prefix): Add %< %> quotes.
9102 (registered_pragmas): New.
9103 (c_register_pragma_1): New.
9104 (c_register_pragma): Use it.
9105 (c_register_pragma_with_expansion): Likewise.
9106 (c_invoke_pragma_handler): New.
9107 (init_pragma): Use cpp_register_deferred_pragma directly for
9109 * c-pragma.h (enum pragma_kind): New.
9110 (pragma_handler): New.
9111 (c_invoke_pragma_handler): Declare.
9112 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9114 * c-common.h (c_common_pch_pragma): Update decl.
9115 * Makefile.in (c-parser.o): Update dependencies.
9116 (GTFILES): Add c-pragma.h.
9117 * c-parser.c (struct c_token): Add pragma_kind.
9118 (struct c_parser): Add in_pragma.
9119 (c_lex_one_token): Always initialize keyword and pragma_kind.
9120 Extract data for CPP_PRAGMA.
9121 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9122 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9123 Don't allow CPP_PRAGMA_EOL if in_pragma.
9124 (c_parser_consume_pragma): New.
9125 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9126 (c_parser_skip_to_end_of_parameter): Likewise.
9127 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9128 (c_parser_skip_to_pragma_eol): New.
9129 (c_parser_external_declaration): Handle CPP_PRAGMA.
9130 (c_parser_compound_statement_nostart): Likewise.
9131 (c_parser_statement_after_labels): Likewise.
9132 (c_parser_pragma): New.
9133 (pragma_lex): Likewise.
9134 (c_parser_pragma_pch_preprocess): New.
9135 (c_parser_new): Merge into ...
9136 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9138 2006-01-04 Jeff Law <law@redhat.com>
9141 * tree-cfg.c (bsi_replace): Remove the original statement
9142 from the EH throw statement table.
9144 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9146 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9147 make the prototype extern "C" and add throw ().
9150 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9151 and pos non-negative and pos + len <= 32.
9152 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9153 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9154 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9157 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9158 as well as sizes not multiple of component size.
9161 * function.c (instantiate_expr): New function.
9162 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9163 walk its DECL_VALUE_EXPR with instantiate_expr.
9165 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9166 DW_OP_deref{,_size} if address isn't going to be added.
9168 2006-01-04 Ben Elliston <bje@au.ibm.com>
9170 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9171 * config/fp-bit.c: Likewise.
9173 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9175 * dominance.c: Add comment about why we use DFS numbering
9178 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9179 Richard Henderson <rth@redhat.com>
9181 Merge from gomp-branch:
9182 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9183 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9185 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9187 PR rtl-optimization/25578
9188 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9189 pass a parameter to simplify_shift_const if changing ASHIFTRT
9192 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9194 * builtins.c (get_builtin_sync_mem): New function.
9195 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9196 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9197 Call get_builtin_sync_mem to generate mem rtx.
9199 2006-01-03 Richard Guenther <rguenther@suse.de>
9202 * stmt.c (add_case_node): Make sure to clear overflow flags
9205 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9207 Merge from gomp-branch.
9208 * config/sparc/sync.md: New file.
9209 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9210 UNSPECV_LDSTUB): New constants.
9211 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9212 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9213 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9216 2006-01-03 Roger Sayle <roger@eyesopen.com>
9218 * combine.c (reg_subword_p): New predicate to test whether the
9219 destination of a set refers to a subword/piece of a register.
9220 (try_combine): Generalize the code to merge the setting of a
9221 pseudo to a constant followed by a set of a subword of that
9222 register to a constant.
9224 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9226 * basic-block.h (control_flow_graph): Change the type of
9227 x_label_to_block_map to VEC(basic_block,gc) *.
9228 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9229 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9231 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9232 VEC(basic_block,heap) *.
9233 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9234 ssa_prop_fini): Adjust the uses of cfg_blocks.
9236 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9238 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9240 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9241 hashing trees instead of a pointer hash.
9242 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9243 compare for MEM_EXPR.
9245 PR rtl-optimization/25130
9246 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9247 when comparing MEMs for GCSE
9249 2006-01-03 Ben Elliston <bje@au.ibm.com>
9251 * targhooks.h (default_decimal_float_supported_p): Declare.
9252 * targhooks.c (default_decimal_float_supported_p): Define.
9253 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9254 `default_decimal_float_supported_p'.
9255 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9257 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9259 * combine.c (apply_distributive_law <SUBREG>): Check
9260 TRULY_NOOP_TRUNCATION.
9262 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9264 * dwarf2out.c (have_switched_text_section): Delete.
9265 (have_multiple_function_sections): New.
9266 (have_location_lists): Make 'bool'.
9267 (add_AT_loc_list): Use 'true' not '1'.
9268 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9269 (output_loc_list): Use have_multiple_function_sections.
9270 (output_ranges): Likewise.
9271 (dwarf2out_begin_function): Set have_multiple_function_sections if
9273 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9274 Check function_section rather than DECL_SECTION_NAME.
9275 (dwarf2out_finish): Use have_multiple_function_sections.
9276 Don't clear have_location_lists.
9278 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9279 Jan Hubicka <jh@suse.cz>
9281 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9282 case of conditional jump jumping to the next instruction.
9283 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9284 cases of conditional jump jumping to the next instruction.
9286 2006-01-02 Jan Hubicka <jh@suse.cz>
9288 * i386.c (*_cost): Add COSTS_N_INSNS.
9289 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9291 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9294 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9296 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9298 * config/arm/arm.c (all_fpus): Fix comment typo.
9299 * config/darwin.c: Likewise.
9300 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9301 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9302 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9304 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9306 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9307 (rs6000_split_compare_and_swapqhi): New.
9308 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9309 (sync_compare_and_swapqhi_internal): New.
9310 * config/rs6000/rs6000-protos.h: Declare.