1 2006-04-03 Jeff Law <law@redhat.com>
4 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
11 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
15 (premark_used_types_helper): New.
16 (premark_used_types): New.
17 (gen_subprogram_die): Call premark_used_types.
18 (prune_unused_types_walk): Do not prune perennial dies.
19 * function.c (used_types_insert): New.
20 * function.h (struct function): Add used_types_hash field.
21 (used_types_insert): Add prototype.
22 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
23 * c-parser.c (c_parser_cast_expression): Save casted types in used
26 2006-04-11 Mark Mitchell <mark@codesourcery.com>
29 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
30 rs6000_explicit_options.float_gprs.
32 2006-04-10 Roger Sayle <roger@eyesopen.com>
34 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
35 from ix86_expand_vector_init_low_nonzero. Take an additional
36 one_var argument indicating which element is non-zero. Support
37 one_var != 0 for V4SFmode and V4SImode by permuting the result.
38 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
39 with one_var instead of ix86_expand_vector_init_low_nonzero.
41 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
43 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
44 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
45 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
46 build/genextract.o): Depend on vecprim.h.
47 * cfglayout.c, df-problems.c, function.c, genextract.c,
48 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
49 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
53 2006-04-10 Geoffrey Keating <geoffk@apple.com>
55 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
56 Declare VECs of this type.
57 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
58 (remove_children): Delete.
59 (add_dwarf_attr): Use VEC routines.
60 (add_AT_flag): Update for changes to add_dwarf_attr.
61 (add_AT_int): Likewise.
62 (add_AT_unsigned): Likewise.
63 (add_AT_long_long): Likewise.
64 (add_AT_vec): Likewise.
65 (add_AT_string): Likewise.
66 (add_AT_die_ref): Likewise.
67 (add_AT_fde_ref): Likewise.
68 (add_AT_loc): Likewise.
69 (add_AT_loc_list): Likewise.
70 (add_AT_addr): Likewise.
71 (add_AT_lbl_id): Likewise.
72 (add_AT_lineptr): Likewise.
73 (add_AT_macptr): Likewise.
74 (add_AT_offset): Likewise.
75 (add_AT_range_list): Likewise.
76 (get_AT): Use VEC_iterate.
77 (remove_AT): Use VEC_ordered_remove.
78 (free_die): Fold remove_children into here; have it use VEC_iterate.
79 (print_die): Use VEC_iterate on attrs.
80 (reverse_die_lists): Don't reverse attr lists.
81 (die_checksum): Use VEC_iterate on attrs.
82 (same_die_p): Likewise.
83 (output_location_lists): Likewise.
84 (build_abbrev_table): Likewise.
85 (size_of_die): Likewise.
86 (unmark_all_dies): Likewise.
87 (output_abbrev_section): Likewise.
88 (output_die): Likewise.
89 (prune_unused_types_walk_attribs): Likewise.
91 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
93 * doc/install.texi (*-*-solaris2*): Point to the configure page.
95 2006-04-10 Jakub Jelinek <jakub@redhat.com>
98 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
100 2006-04-09 Roger Sayle <roger@eyesopen.com>
102 * expr.c (store_constructor): Don't bother clearing target if
103 we're about to assign a vector to it using vec_init_optab.
105 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
107 * tree-ssa-alias.c (lhs_may_store_to): New function.
108 (recalculate_used_alone): Handle LHS of calls.
110 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
114 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
115 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
116 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
117 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
118 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
119 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
120 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
121 stubs. Add ".align 8" directives before all ".dword" directives.
122 (GTHREAD_USE_WEAK): Revise comment.
123 (TARGET_ATTRIBUTE_WEAK): Define.
124 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
125 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
126 * stublib.c: New file.
131 * pa.md (cbranch patterns): Revise arguments used in calls to
132 output_cbranch, output_bb and output_bvd. Add long branch length
134 (fbranch patterns): Handle long branches.
135 (jump): Revise length check. Revise arguments for output_lbranch call.
136 Add long branch length attributes.
137 (decrement_and_branch_until_zero): Add long branch length attributes.
138 (output_movb, output_parallel_addb and output_parallel_movb patterns):
139 Likewise. Revise arguments for output_parallel_addb and
140 output_parallel_movb calls.
141 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
142 output_parallel_movb and output_parallel_addb): Update prototypes.
143 * pa.c (output_cbranch): Revise arguments. Correct handling of
144 nullification in long branches.
145 (output_lbranch): Add new argument to control extraction of delay
147 (output_bb): Handle long branches.
148 (output_bvb, output_dbra, output_movb, output_parallel_movb,
149 output_parallel_addb): Likewise.
151 2006-04-09 Richard Sandiford <richard@codesourcery.com>
153 PR rtl-optimization/27073
154 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
157 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
159 * tree.h (tree_memory_tag): Add old_used_alone.
160 (SMT_OLD_USED_ALONE): New macro.
161 * tree-ssa-alias.c (recalculate_used_alone): Stop
162 marking things for renaming unnecessarily.
164 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
166 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
167 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
168 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
169 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
170 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
171 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
172 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
173 spelling convensions.
174 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
175 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
176 typos. Follow spelling conventions.
178 2006-04-07 DJ Delorie <dj@redhat.com>
180 * config/m32c/m32c.c (m32c_function_arg): Structures are always
182 (m32c_init_cumulative_args): When a function returns a structure,
183 always pass the pointer to that return area on the stack.
184 (m32c_function_arg_advance): Don't increment the parameter number
185 if we're processing the returned structure pointer.
186 (pushm_info): Reverse order of registers.
188 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
190 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
191 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
192 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
193 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
195 * tree-chrec.c (chrec_fold_multiply_poly_poly,
196 chrec_fold_multiply): Same.
197 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
198 force_expr_to_var_cost): Same.
199 * tree-mudflap.c (mf_xform_derefs_1): Same.
200 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
202 2006-04-07 David Edelsohn <edelsohn@gnu.org>
204 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
205 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
208 2006-04-07 Jan Hubicka <jh@suse.cz>
210 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
212 2006-04-07 Richard Guenther <rguenther@suse.de>
214 PR tree-optimization/26135
215 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
216 loads for store copy-prop.
217 (copy_prop_visit_stmt): Likewise.
219 2006-04-05 Robert Millan <robertmh@gnu.org>
221 * gcc/config/i386/linux.h: Add a comment to mark macros that are
222 being overriden in config/k*bsd-gnu.h.
223 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
225 * gcc/config/knetbsd-gnu.h: Ditto.
227 2006-04-06 Jan Hubicka <jh@suse.cz>
231 * coverage.c (coverage_checksum_string): Reorganize loop to not read
234 2006-04-06 Mike Stump <mrs@apple.com>
236 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
237 for HAVE_nonlocal_goto to be consistent.
238 (expand_builtin_nonlocal_goto): Likewise.
239 (expand_builtin_strcmp): Use #ifdef instead of #if
240 for HAVE_cmpstrnsi to be consistent.
242 2006-04-05 DJ Delorie <dj@redhat.com>
244 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
247 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
249 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
250 got-relative addressing for anything but SImode.
252 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
253 even if the calling function doesn't modify them.
255 2006-04-05 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/26919
258 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
259 to cgraph_estimate_size_after_inlining.
261 2006-04-05 Alan Modra <amodra@bigpond.net.au>
263 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
265 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
267 PR tree-optimization/26996
268 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
269 VECTOR_TYPE variables.
271 2006-04-05 Richard Guenther <rguenther@suse.de>
273 PR tree-optimization/26763
274 * fold-const.c (fold_comparison): Move folding of
275 PTR + CST CMP PTR + CST ...
276 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
278 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
280 * doc/install.texi (Prerequisites): Refine some wording on
281 bootstrapping and ksh.
282 Move the version numbers of DejaGnu here from the testing section
283 and fix casing of names.
284 Fix markup and clarify wording for autogen requirements.
285 Refer to GCJ instead of just java.
286 Refer to SVN instead of CVS.
287 Describe diffutils as useful instead of necessary.
288 (Downloading the source): Refer to SVN instead of CVS.
289 Adjust a link to our web site accordingly.
290 (Configuration): Fix casing of Bison.
291 (Building): Refer to SVN instead of CVS.
292 Fix a sentence on the use of Bison and remove duplicate (and
293 incorrect) version number of Bison requirement.
294 Remove one redundant list of packages needed for building.
295 (Specific): Avoid reference to CVS.
297 2006-04-04 Eric Christopher <echristo@apple.com>
299 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
300 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
301 (rs6000_handle_struct_attribute): New.
302 (rs6000_ms_bitfield_layout_p): Ditto.
304 2006-04-04 Geoffrey Keating <geoffk@apple.com>
306 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
307 NULL for dso parameter to atexit_common.
309 2006-04-04 Eric Christopher <echristo@apple.com>
311 * config/i386/i386.c (machopic_output_stub): Output \t
312 between instructions and operands.
314 2006-04-04 David Edelsohn <edelsohn@gnu.org>
316 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
317 satisfies_constraint_[IL] to explicit tests on value.
319 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
321 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
322 set_nb_iterations_in_loop): Use build_int_cst instead of
324 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
325 build_int_cst instead of convert.
327 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
329 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
330 new value 2 for incoming.
331 * function.c (expand_function_start): Call struct_value_rtx
333 * config/sparc/sparc.md: Comment updated_return.
334 * config/sparc/sparc.opt: Add -mstd-struct-return option.
335 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
336 struct return if sparc_std_struct_return and incoming is 2.
337 (print_operand): Do not adjust return if
338 sparc_std_struct_return.
340 2006-04-04 Roger Sayle <roger@eyesopen.com>
342 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
343 convert in the middle-end.
344 * expr.c (store_expr, store_constructor, get_inner_reference,
345 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
347 * tree.c (build_range_type): Likewise.
349 2006-04-04 Tom Tromey <tromey@redhat.com>
351 * doc/install.texi (Prerequisites): Mention jar.
353 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
355 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
358 2006-04-04 Matthias Klose <doko@debian.org>
360 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
362 2006-04-03 Geoffrey Keating <geoffk@apple.com>
364 * doc/extend.texi (Function Attributes): Rewrite visibility
365 attribute documentation.
366 * doc/invoke.texi (C++ Dialect Options): Rewrite
367 -fvisibility-inlines-hidden documentation to describe something
368 entirely different, although in practise compatible.
369 (Code Gen Options): Warn about system headers in -fvisibiltity=
372 * doc/extend.texi (Other Builtins): Document that
373 __builtin_nan is a compile-time constant only when its argument
376 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
378 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
379 trying to remove TRUNCATE check if all bits outside the new mode
380 are identical to the sign bit.
382 2006-04-03 Jeff Law <law@redhat.com>
384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
385 and operand scanning in some common cases.
387 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
388 Dale Johannesen <dalej@apple.com>
391 * regclass.c (struct reg_pref): Update documentation.
392 (regclass): Set prefclass to NO_REGS if memory is the best option.
393 (record_reg_classes): Cope with a prefclass set to NO_REGS.
394 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
395 into account. For non-registers, equate an empty preferred
396 reload class to a `!' in the constraint; move the if clause to
397 do so after those that reject the insn.
398 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
400 (find_dummy_reload): Likewise.
401 * doc/tm.texi (Register Classes): Document what it means
402 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
403 * config/i386/i386.c (ix86_preferred_reload_class): Force
404 using SSE registers (and return NO_REGS for floating-point
405 constants) if math is done with SSE.
406 (ix86_preferred_output_reload_class): New.
407 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
408 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
409 * config/i386/i386.md: Remove # register preferences.
411 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
414 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
415 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
417 (instantiate_parameters_1): Convert the operands before calling
418 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
419 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
421 2006-04-02 Roger Sayle <roger@eyesopen.com>
423 * builtins.c (dummy_object): Use build_int_cst instead of convert.
424 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
426 * dojump.c (do_jump): Likewise.
427 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
428 * gimplify.c (gimple_boolify, gimplify_init_constructor,
429 gimplify_boolean_expr): Likewise.
430 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
431 * varasm.c (array_size_for_constructor): Likewise.
432 * tree-object-size.c (compute_object_offset): Likewise.
434 2006-04-02 Roger Sayle <roger@eyesopen.com>
437 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
438 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
440 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
442 PR tree-optimization/26939
443 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
445 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
447 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
448 at_stmt. Convert the type of operands before calling
449 build_polynomial_chrec.
450 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
452 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
453 (instantiate_parameters_1): Convert the type of operands before calling
454 build_polynomial_chrec.
455 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
456 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
457 reset_evolution_in_loop): Insert asserts to check the types of the
459 (chrec_type): Moved...
460 (eq_evolutions_p): Use operand_equal_p.
461 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
462 the types of the operands.
463 (chrec_type): ...here.
464 * tree-data-ref.c (create_data_ref): Convert the operands before
465 calling chrec_replace_initial_condition.
466 (same_access_functions, analyze_subscript_affine_affine,
467 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
468 (compute_subscript_distance, analyze_ziv_subscript,
469 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
470 analyze_miv_subscript): Convert the operands before calling
471 chrec_fold_minus or chrec_fold_plus.
473 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
475 * tree-data-ref.c (compute_all_dependences): Use a pointer to
476 the dependence_relations vector.
477 (compute_data_dependences_for_loop): Adjust call to
478 compute_all_dependences.
480 2006-04-01 Roger Sayle <roger@eyesopen.com>
481 Richard Henderson <rth@redhat.com>
483 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
484 gimple_boolify on the condition before calling gimplify_expr.
486 2006-03-31 Bob Wilson <bob.wilson@acm.org>
488 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
489 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
490 the frame size. Update to use the new macros.
491 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
492 * config/xtensa/ieee754-df.S: Likewise.
494 2006-03-31 Richard Henderson <rth@redhat.com>
496 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
497 (make_edges): ... here. Control fallthru creation with a local
498 variable. Do not play with fake edges.
499 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
500 (make_goto_expr_edges): Don't play with fake edges. Make for_call
503 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
505 * dwarf2.h (DW64_CIE_ID): Define.
506 * dwarf2out.c (DWARF_CIE_ID): Define.
507 (output_call_frame_info): Output 0xffffffff before standard 8-byte
508 length header. Use DWARF_CIE_ID.
509 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
510 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
512 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
514 * config/sh/linux-atomic.asm: New file.
515 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
517 2006-03-31 DJ Delorie <dj@redhat.com>
519 * config/m32c/cond.md: Set condition flags properly throughout.
520 * config/m32c/minmax.md: Likewise.
521 * config/m32c/prologue.md: Likewise.
522 * config/m32c/bitops.md: Likewise.
523 * config/m32c/muldiv.md: Likewise.
524 * config/m32c/mov.md: Likewise.
525 * config/m32c/addsub.md: Likewise.
526 * config/m32c/m32c.md: Likewise.
527 * config/m32c/jump.md: Likewise.
528 * config/m32c/shift.md: Likewise.
530 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
531 conditionally output the pattern for this.
532 * config/m32c/m32c.c (flags_needed_for_conditional): New.
533 (m32c_compare_redundant): New.
534 (m32c_output_compare): New.
535 * config/m32c/m32c-protos.h (m32c_output_compare): New.
537 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
538 dest, not src. Allow other 4-byte modes.
540 2006-03-30 Denis Chertykov <denisc@overta.ru>
542 * doc/md.texi: Refer to avr/constraints.md instead of
545 2006-03-30 Roger Sayle <roger@eyesopen.com>
547 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
548 signed vs. unsigned comparison failures on some hosts.
550 2006-03-31 Alan Modra <amodra@bigpond.net.au>
553 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
554 change to FLOAT_REGS.
556 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
557 (rs6000_override_options): Use it.
558 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
559 only for -mabi=spe/no-spe and -mabi=altivec.
561 2006-03-30 Geoffrey Keating <geoffk@apple.com>
563 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
566 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
568 * Makefile.in: Rename docdir to gcc_docdir.
570 2006-03-30 Roger Sayle <roger@eyesopen.com>
573 * expr.c (emit_group_store): Optimize group stores into a pseudo
574 register by using a paradoxical subreg to initialize the destination
575 if the first or last member of the group specifies a "low part".
577 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
580 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
581 * target.h (struct gcc_target.speculate_insn): Change type of the
582 second parameter to 'int'.
583 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
584 the second operand of the DEPS_LIST.
585 (copy_DEPS_LIST_list): Update reference to the second operand of the
587 * rtl.h (alloc_DEPS_LIST): Update signature.
588 * sched-int.h (ds_t): Change typedef to 'int'.
589 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
591 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
593 * haifa-sched.c (try_ready): Change condition to restore
594 non-speculative pattern of the instruction.
595 (process_insn_depend_be_in_spec): Code to keep probability of the
596 speculative dependence non-decreasing.
598 2006-03-30 Jie Zhang <jie.zhang@analog.com>
600 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
601 (single_move_for_movmem): ... this. Also change all uses.
602 (bfin_expand_strmov): Renamed to...
603 (bfin_expand_movmem): ... this. Also change all uses.
604 * config/bfin/bfin.md (movstrsi): Renamed to...
607 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
609 PR tree-optimization/26830
611 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
612 (copy_prop_visit_stmt): Remove write-only variable ann.
613 (init_copy_prop): Check variable loop depth here. Do not simulate
614 memory-tag and virtual operand PHIs except for store copy prop.
616 2006-03-30 Richard Guenther <rguenther@suse.de>
618 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
619 variants with double arguments.
621 2006-03-29 David Edelsohn <edelsohn@gnu.org>
623 * genpreds.c (write_tm_constrs_h): Delete variable p.
624 * genconditions.c (write_header): Add tm-constrs.h to included
626 * genpeep.c (main): Add toplev.h to included headers.
627 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
628 (build/genpeep.o): Add toplev.h dependency.
629 * config/rs6000/constraints.md: Add "W" constraint.
631 2006-03-29 Roger Sayle <roger@eyesopen.com>
633 * stor-layout.c (mode_for_size_tree): Remove restiction on type
634 sizes by correctly testing whether the size fits a host integer.
635 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
636 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
637 SImode range for the default sizetype and bitsizetype.
639 2006-03-29 Roger Sayle <roger@eyesopen.com>
641 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
642 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
643 quickly if the argument is already of the correct type.
644 Call fold_build1 instead of build1. Tidy up blank lines.
646 2006-03-29 David Edelsohn <edelsohn@gnu.org>
648 * genemit.c (main): Add tm-constrs.h to included headers.
649 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
650 * genpeep.c (main): Add tm-constrs.h to included headers.
651 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
652 (write_tm_constrs_h): this and write complete file.
653 (write_tm_preds_h): Do not emit satisfies_constraint fns.
654 (write_insn_preds_c): Add tm-constrs.h to included headers.
655 (gen_constrs): New variable.
656 (parse_option): Parse "-c".
657 (main): Invoke write_tm_constrs_h.
658 * genrecog.c (write_header): Add tm-constrs.h to included headers.
659 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
660 (object_out_file): Add tm-constrs.h dependency.
662 (insn-output.o): Same.
664 (insn-preds.o): Same.
665 (insn-recog.o): Same.
666 (tm-constsr.h): New target.
667 (s-constrs-h): New target.
669 * config/rs6000/constraints.md: New file.
670 * config/rs6000/rs6000.c: Include tm-constrs.h.
671 (num_insn_constant_wide): Convert to satisfies_constraint.
672 (rs6000_rtx_costs): Convert to satisfies_constraint.
673 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
674 (CONST_OK_FOR_LETTER_P): Delete.
675 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
676 (EXTRA_CONSTRAINT): Delete.
677 (EXTRA_MEMORY_CONSTRAINT): Delete.
678 (EXTRA_ADDRESS_CONSTRAINT): Delete.
679 * config/rs6000/predicates.md: Convert to satisfies_constraint.
680 * config/rs6000/rs6000.md: Include constraints.md. Convert to
681 satisfies_constraint.
683 * config/i386/i386.c: Include tm-constrs.h.
685 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
687 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
688 * tree-data-ref.c (find_data_references_in_loop,
689 compute_data_dependences_for_loop): Use pointers to VEC.
690 (analyze_all_data_dependences): Adjust calls.
691 * tree-data-ref.h (find_data_references_in_loop,
692 compute_data_dependences_for_loop): Adjust declarations.
693 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
694 compute_data_dependences_for_loop.
696 2006-03-29 Paul Brook <paul@codesourcery.com>
698 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
701 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
703 PR tree-optimization/26859
704 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
706 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
707 for the step after fold_convert.
709 2006-03-29 Paul Brook <paul@codesourcery.com>
711 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
712 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
714 2006-03-29 Paul Brook <paul@codesourcery.com>
717 * targhooks.c (default_narrow_bitfield): New fuction.
718 * targhooks.h (default_narrow_bitfield): add prototype.
719 * target.h (gcc_target): Add narrow_volatile_bitfield.
720 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
721 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
722 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
723 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
725 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
727 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
729 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
730 (NR_C_MODES): Add TDmode, DDmode and SDmode.
731 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
732 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
733 (s390_function_arg_float): Allow SDmode and DDmode values to be
734 passed in floating point registers.
735 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
736 check with SCALAR_FLOAT_MODE_P.
737 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
739 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
741 PR tree-optimization/25985
742 * tree-ssa-loop-niter.c (number_of_iterations_le,
743 number_of_iterations_ne): Make comments more precise.
744 (number_of_iterations_cond): Add only_exit argument. Use the
745 fact that signed variables do not overflow only when only_exit
747 (loop_only_exit_p): New.
748 (number_of_iterations_exit): Pass result of loop_only_exit_p to
749 number_of_iterations_cond.
751 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
753 PR tree-optimization/26643
754 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
757 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
759 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
760 (divsi3_i4_int): Likewise.
762 2006-03-28 Roger Sayle <roger@eyesopen.com>
764 * expr.c (emit_group_store): Only create a new pseudo reg if the
765 quantity it needs to hold isn't already a suitable pseudo.
767 2006-03-28 Jeff Law <law@redhat.com>
769 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
770 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
772 2006-03-28 Roger Sayle <roger@eyesopen.com>
774 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
775 the equivalent ~X & Y, and the symmetry related transformations.
776 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
777 ~X & Y, and symmetry related transforms.
779 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
781 Revert my 2006-03-27 patches.
783 2006-03-28 Roger Sayle <roger@eyesopen.com>
785 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
786 ~(T1)X, when T1 and T2 are integer types of the same precision
787 and (T2)X isn't an extension.
789 2006-03-28 Jeff Law <law@redhat.com>
791 PR tree-optimization/26796
792 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
793 need EH edge cleanups rather than purging them immediately.
794 (eliminate_degenerate_phis): Handle queued EH cleanups.
796 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
798 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
801 2006-03-27 Roger Sayle <roger@eyesopen.com>
804 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
805 cast BIT_NOT_EXPR operand to the correct type.
807 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
809 * tree-loop-linear.c: Don't include varray.h.
810 (gather_interchange_stats, try_interchange_loops,
811 linear_transform_loops): Use VEC instead of VARRAY.
812 * lambda-mat.c: Don't include varray.h.
813 * tree-chrec.c: Same.
814 * lambda-trans.c: Same.
815 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
816 VEC instead of VARRAY.
817 * tree-vectorizer.h: Idem.
818 * tree-data-ref.c (dump_data_references,
819 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
820 initialize_data_dependence_relation, finalize_ddr_dependent,
821 compute_all_dependences, find_data_references_in_loop,
822 compute_data_dependences_for_loop, analyze_all_data_dependences,
823 free_dependence_relation, free_dependence_relations,
824 free_data_refs): Idem.
825 * tree-data-ref.h (data_reference_p, subscript_p): New.
826 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
827 VEC instead of VARRAY.
828 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
829 (find_data_references_in_loop, compute_data_dependences_for_loop,
830 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
831 dump_data_dependence_relations, free_dependence_relations,
832 free_data_refs): Adjust declaration.
833 (lambda_transform_legal_p): Move declaration here...
834 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
835 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
836 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
837 vect_analyze_data_refs): Use VEC instead of VARRAY.
838 * lambda.h (lambda_transform_legal_p): ...from here.
839 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
840 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
841 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
842 tree-chrec.o): Don't depend on VARRAY_H.
844 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
846 * rtl.def (Copyright): Update date.
847 (DEPS_LIST): Change type of the second operand to 'int'.
848 * target.h (Copyright): Update date.
849 (struct gcc_target.speculate_insn): Change type of the second parameter
851 * lists.c (Copyright): Update date.
852 (alloc_DEPS_LIST): Change signature. Update reference to the second
853 operand of the DEPS_LIST.
854 (copy_DEPS_LIST_list): Update reference to the second operand of the
856 * rtl.h (Copyright): Update date.
857 (alloc_DEPS_LIST): Update signature.
858 * sched-int.h (Copyright): Update date.
859 (ds_t): Change typedef to 'int'.
860 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
862 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
864 * haifa-sched.c (Copyright): Update date.
865 (try_ready): Change condition to restore non-speculative pattern
867 (process_insn_depend_be_in_spec): Code to keep probability of the
868 speculative dependence non-decreasing.
870 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
872 * regrename.c (replace_oldest_value_addr): Initialize a variable to
873 shut up the compiler.
875 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
877 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
878 to use lib prefix for target.
879 ($(T)libic_invalidate_array_4-200.a): Likewise.
880 ($(T)libic_invalidate_array_4a.a): Likewise.
882 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
883 J"orn Rennecke <joern.rennecke@st.com>
885 * superh.opt: New file.
886 * sh.c (boardtype, osruntime): Remove.
887 * superh.h (SUBTARGET_OPTIONS): Remove.
888 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
890 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
891 arguments with ^ and/or [].
893 * config.gcc (sh-*-*): Add quoting to account for quirk of
895 Replace == with = in enable_incomplete_targets test.
897 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
898 with MASK_LITTLE_ENDIAN.
900 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
901 * config/sh/sh.opt: Added to some comments.
902 * config/sh/superh.h: Removed some chaff.
904 * config/sh/sh.opt: Add m4-[1234]00* options.
905 * config/sh/sh.c (sh_handle_option): Likewise.
906 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
907 (ic_invalidate_array_4-100.o): New rule.
908 ($(T)libic_invalidate_array_4-100.a): Likewise.
909 (ic_invalidate_array_4-200.o): Likewise.
910 ($(T)libic_invalidate_array_4-200.a): Likewise.
911 (ic_invalidate_array_4a.o): Likewise.
912 ($(T)libic_invalidate_array_4a.a): Likewise.
913 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
914 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
916 * config/sh/crt1.asm: Merged in profiling code.
917 * config/sh/superh.h (STARTFILE_SPEC): Override.
918 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
919 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
920 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
922 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
923 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
924 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
926 * sh.opt (mpretend-cmove): New option.
927 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
928 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
929 (movsicc): Add TARGET_PRETEND_CMOVE code.
931 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
933 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
934 s390_class_max_nregs): New function prototypes.
935 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
936 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
937 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
938 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
940 2006-03-26 Geoffrey Keating <geoffk@apple.com>
942 * dwarf2out.c (add_location_or_const_value_attribute): Call
943 tree_add_const_value_attribute if nothing else works.
944 (reference_to_unused): New.
945 (rtl_for_decl_init): Use reference_to_unused to decide whether
946 to output an initializer.
948 2006-03-27 Alan Modra <amodra@bigpond.net.au>
951 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
952 peephole removing spe frob_di_df_2.
954 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
956 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
957 (subscript_dependence_tester_1): Declared.
958 (print_dir_vectors, print_dist_vectors): New.
959 (debug_data_dependence_relation): New.
960 (dump_data_dependence_relation): Print more details.
961 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
962 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
963 (save_dist_v, save_dir_v, add_outer_distances,
964 build_classic_dist_vector_1): New.
965 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
966 Don't test for lambda_vector_lexico_pos.
967 (same_access_functions, add_multivariate_self_dist,
968 add_other_self_distances, dir_from_dist): New.
969 (build_classic_dir_vector): Replace implementation almost identical to
970 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
972 (subscript_dependence_tester_1): New.
973 (subscript_dependence_tester): Handle the lexicographically negative
974 distance vectors by recomputing the dependence relation.
975 (compute_affine_dependence): Remove parameter loop_nest_depth.
976 (compute_self_dependence): Don't call compute_subscript_distance.
977 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
978 Add a parameter for the loop_nest.
979 (find_loop_nest_1, find_loop_nest): New.
980 (compute_data_dependences_for_loop): Compute the loop nest, and give
981 up if the nest is not well formed.
982 * tree-data-ref.h (loop_p): New.
983 (struct data_dependence_relation): Replace size_vect field with
984 loop_nest, a vec of loops.
985 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
986 (DDR_LOOP_NEST): New.
987 (print_dir_vectors, print_dist_vectors,
988 debug_data_dependence_relation): Declared.
989 (index_in_loop_nest): New.
990 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
991 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
994 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
996 * simplify-rtx.c (simplify_relational_operation): Call
997 simplify_relational_operation_1 even if mode is VOIDmode.
999 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1001 PR tree-optimization/26804
1002 * tree.h (DECL_CALL_CLOBBERED): New macro.
1003 (tree_decl_common): Add call_clobbered_flag.
1004 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1005 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1006 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1007 (mark_non_addressable): Ditto.
1008 * tree-ssa.c (verify_call_clobbered): New function.
1009 (verify_alias_info): Use it.
1010 * tree-pass.h (pass_reset_cc_flags): New prototype.
1011 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1012 (reset_cc_flags): New function.
1013 * passes.c (init_optimization_passes): Call reset_cc_flags after
1014 initializing referenced_vars.
1016 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1017 Roger Sayle <roger@eyesopen.com>
1020 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1021 to 1.0 for non-real operands. Implement A / A optimization for
1024 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1026 * config/i386/i386.c (size_cost): Correct the comment for
1027 cost of storing fp registers.
1028 (i386_cost): Likewise.
1029 (i486_cost): Likewise.
1030 (pentium_cost): Likewise.
1031 (pentiumpro_cost): Likewise.
1032 (k6_cost): Likewise.
1033 (athlon_cost): Likewise.
1034 (k8_cost): Likewise.
1035 (pentium4_cost): Likewise.
1036 (nocona_cost): Likewise.
1037 (generic64_cost): Likewise.
1038 (generic32_cost): Likewise.
1040 2006-03-24 Denis Chertykov <denisc@overta.ru>
1042 * config/avr/avr-protos.h (extra_constraint): Delete.
1043 (extra_constraint_Q): New declaration.
1044 * config/avr/constraints.md: New file.
1045 * config/avr/avr.md: Include it.
1046 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1047 (TMP_REGNO, ZERO_REGNO): Likewise.
1048 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1049 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1050 (extra_constraint): Delete.
1051 (extra_constraint_Q): Test for memory constraint 'Q'.
1052 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1053 (REG_CLASS_FROM_LETTER): Delete.
1054 (CONST_OK_FOR_LETTER_P): Delete.
1055 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1056 (EXTRA_CONSTRAINT): Delete.
1057 (TMP_REGNO): Delete.
1058 (ZERO_REGNO): Delete.
1060 2006-03-24 Jeff Law <law@redhat.com>
1062 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1063 directly. Call mark_new_vars_to_rename slightly earlier.
1065 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1067 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1069 (gen_compile_unit_die): Use new language types for Objective-C and
1071 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1072 DW_LANG_C_plus_plus.
1075 * config/t-darwin (crt3.o): Work around bug 26840.
1076 * config/darwin-crt3.c: Rewrite.
1077 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1079 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1081 * doc/invoke.texi: Document -femit-class-debug-always
1082 * common.opt: Add -femit-class-debug-always.
1084 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1086 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1087 index and base register.
1088 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1089 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1090 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1091 REGNO_OK_FOR_INDEX_P.
1092 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1094 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1095 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1096 REG_OK_FOR_BASE_P): Definitions removed.
1098 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1101 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1102 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1103 set yet or weren't marked as local yet.
1105 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1107 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1110 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1112 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1113 (rs6000_legitimate_small_data_p): Delete.
1114 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1115 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1116 and make static. Add forward declaration. Update uses.
1117 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1118 of offsettable_memref_p.
1119 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1120 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1122 2006-03-24 Jeff Law <law@redhat.com>
1124 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1125 around bug in immediate-use iterator.
1127 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1130 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1131 or __LITTLE_ENDIAN__.
1133 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1135 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1136 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1137 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1138 * config/sh/sh.opt (mdiv=): Amend description.
1139 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1140 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1141 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1142 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1143 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1144 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1145 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1146 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1147 TARGET_DIVIDE_CALL_FP.
1149 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1151 * haifa-sched.c (choose_ready): Fix type of the local variable.
1152 Move local variables. Add comment.
1153 (check_reg_live): Change signature. Make callable from debugger.
1154 * sched-int.h (check_reg_live): Update signature.
1155 * sched-ebb.c (check_reg_live): Update parameters.
1156 * sched-rgn.c (check_reg_live): Ditto.
1157 (region_head_or_leaf_p): Check pointer before dereferencing.
1158 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1159 before reload on optimization levels below 1.
1161 2006-03-23 Richard Henderson <rth@redhat.com>
1163 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1167 * config/alpha/predicates.md (local_symbolic_operand): Reject
1170 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1173 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1174 expressions which have overflowed constants.
1176 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1178 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1180 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1182 * cfgloopmanip.c (create_loop_notes): Removed.
1183 * final.c (final_scan_insn): Do not handle loop notes.
1184 * jump.c (squeeze_notes): Ditto.
1185 * cfglayout.c (skip_insns_after_block,
1186 duplicate_insn_chain): Ditto.
1187 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1189 * cfgloop.h (create_loop_notes): Declaration removed.
1191 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1193 * varasm.c (output_constant_pool): Restore fnname and fndecl
1195 (assemble_start_function): Adjust call accordingly.
1196 (assemble_end_function): Likewise.
1198 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1201 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1204 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1206 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1209 * system.h (ICE_EXIT_CODE): New macro.
1210 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1211 (diagnostic_action_after_output): Likewise.
1212 * gcc.c (fatal_ice): New function.
1213 (execute): Use it instead of fatal.
1214 (fancy_abort): Likewise.
1215 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1217 2006-03-22 Jeff Law <law@redhat.com>
1219 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1220 iv_analyze_result returning false.
1222 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1224 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1226 2006-03-22 Richard Henderson <rth@redhat.com>
1229 * except.c (duplicate_eh_regions_0): New.
1230 (duplicate_eh_region_1): Duplicate the children of the node as
1231 well as the node itself. Link them up properly.
1232 (duplicate_eh_region_2): Merge into ...
1233 (duplicate_eh_regions): ... here. Take copy_region argument, and
1234 copy only a sub-tree if asked. Simplify copying and fixup.
1235 (eh_region_outer_p): New.
1236 * except.h (duplicate_eh_regions): Update decl.
1237 (eh_region_outer_p): Declare.
1238 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1239 (lower_omp_master): Likewise.
1240 (lower_omp_ordered): Likewise.
1241 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1242 (move_stmt_r): Use it to remap labels. Handle recursion vs
1243 remap_decls_p properly.
1244 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1245 (find_outermost_region_in_block): New.
1246 (new_label_mapper): New.
1247 (move_sese_region_to_fn): Copy eh information to the new function
1249 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1251 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1254 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1256 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1257 into shared libraries.
1259 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1261 * doc/md.texi: Refer to i386/constraints.md instead of
1263 * config/i386/constraints.md: New file, extracted from...
1264 * config/i386/predicates.md: ...here.
1265 * config/i386/i386.md: Include constraints.md.
1267 2006-03-21 Jason Merrill <jason@redhat.com>
1269 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1272 * expr.c (init_block_move_fn): Force default visibility.
1273 (init_block_clear_fn): Likewise.
1274 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1275 * targhooks.c (default_external_stack_protect_fail): Likewise.
1277 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1279 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1280 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1281 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1282 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1283 (loadgp): Use mips_current_loadgp_style.
1284 (loadgp_noshared): New pattern.
1285 (sibcall_internal): Use MIPS_CALL.
1286 (sibcall_value_internal): Likewise.
1287 (sibcall_value_multiple_internal): Likewise.
1288 (call_internal): Likewise.
1289 (call_value_internal): Likewise.
1290 (call_value_multiple_internal): Likewise.
1291 (call_split): Use MIPS_CALL and add an 'S' constraint.
1292 (call_value_split): Likewise.
1293 (call_value_multiple_split): Likewise.
1294 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1295 (-mshared): New option.
1296 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1297 (mips_current_loadgp_style): Declare.
1298 * config/mips/mips.c (mips_classify_symbol): Avoid using
1299 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1300 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1301 TARGET_ABSOLUTE_ABICALLS.
1302 (override_options): Adjust comments. Improve the warning that is
1303 issued when -mabicalls and -G are used together.
1304 (mips_file_start): Remove comment.
1305 (mips_current_loadgp_style): New function.
1306 (mips_gnu_local_gp): New variable.
1307 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1309 (mips_output_function_prologue): Use mips_current_laodgp_style.
1310 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1311 the cprestore instruction.
1312 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1313 live for TARGET_ABSOLUTE_ABICALLS.
1314 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1315 (ASM_SPEC): Pass down -mshared and -mno-shared.
1316 (MIPS_CALL): New macro.
1317 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1319 * doc/invoke.texi (-mabicalls): Update documentation.
1320 (-mshared): Document.
1322 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1324 * config/ia64/unwind-hpux.c: New file.
1325 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1327 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1330 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1332 2006-03-21 Jeff Law <law@redhat.com>
1334 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1335 type conversions of a VR_VARYING source to a wider type.
1337 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1339 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1340 tm_file on Solaris 10 and later.
1341 (sparc64-*-solaris2*): Likewise.
1342 (sparc-*-solaris2*): Likewise.
1343 * config/sol26.h: Rename to config/sol2-6.h.
1344 * config/sol2-10.h: New file.
1346 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1349 * tree-ssa-pre.c (create_component_ref_by_pieces):
1352 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1355 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1356 return it immediately.
1358 2006-03-21 Michael Matz <matz@suse.de>
1360 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1362 (remove_arc, add_arc): Update num_out_arcs member.
1363 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1365 (cache_presence): New function.
1366 (compare_states_for_equiv): New function.
1367 (state_is_differed): Don't take number of outargs, adjust callers.
1368 Use new invariant for speeding up.
1369 (init_equiv_class): Create initial classes based on sorted
1371 (partition_equiv_class): Don't track out_arcs_num.
1372 (evaluate_equiv_classes): Call cache_presence on all states and
1375 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1377 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1378 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1379 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1380 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1382 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1383 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1384 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1385 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1386 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1388 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1389 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1390 (REGNO_REG_CLASS): ARGP is in PREGS.
1391 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1393 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1394 to deal with those addresses.
1395 * addresses.h: New file.
1396 * caller-save.c: Include "addresses.h".
1397 (init_caller_save): Use new base_reg_class function.
1398 * rtl-factoring.c: Include "addresses.h".
1399 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1400 * recog.c: Include "addresses.h".
1401 (preprocess_constraints): Use new base_reg_class function.
1402 * regrename.c: Include "addresses.h".
1403 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1404 functions. Keep track of a new var INDEX_CODE to compute valid
1406 (replace_oldest_value_addr): Likewise.
1407 (replace_oldest_value_mem): Use base_reg_class.
1408 * reload.c: Include "addresses.h".
1409 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1410 (find_reloads): Use new base_reg_class function.
1411 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1412 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1413 all callers and prototype changed.
1414 * reload1.c: Include "addresses.h".
1415 (maybe_fix_stack_asms): Use base_reg_class.
1416 * regclass.c: Include "addresses.h".
1417 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1418 (init_reg_autoinc): Use new base_reg_class function.
1419 (record_reg_classes): Likewise.
1420 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1421 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1422 Use new args to compute necessary class.
1424 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1425 regrename.o, rtl-factoring.o): Update dependencies.
1426 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1427 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1428 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1429 REG_OK_FOR_INDEX_P): Delete documentation.
1431 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1433 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1434 from V7 to V9 for Solaris 7 and above.
1436 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1438 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1439 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1440 argument pointers may not alias any other storage.
1441 * common.opt: Define option -fargument-noalias-anything.
1442 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1443 alias semantics is specified by flag_argument_noalias > 2.
1445 2006-03-20 Jeff Law <law@redhat.com>
1447 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1448 (pass_phi_only_cprop): Declare.
1449 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1451 * tree-ssa-dom.c (degenerate_phi_result): New function.
1452 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1453 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1454 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1455 (eliminate_degenerate_phis): Likewise.
1456 (pass_phi_only_cprop): New pass descriptor.
1457 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1458 support code. Callers updated.
1459 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1460 (store_copy_prop): Likewise.
1461 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1463 2006-03-20 Jason Merrill <jason@redhat.com>
1466 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1467 (push_visibility, pop_visibility): Likewise.
1468 * c-pragma.h: Declare them.
1470 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1472 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1474 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1475 parameter and use get_ebb_head_tail.
1476 (sh_md_init_global): Adjust uses of find_regmode_weight.
1478 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1480 * function.h (struct function) <x_tail_recursion_reentry>:
1481 Rename to x_stack_check_probe_note.
1482 (tail_recursion_reentry): Rename to stack_check_probe_note.
1483 * function.c: Replace tail_recursion_reentry with
1484 stack_check_probe_note everywhere.
1485 (expand_function_start): Only emit a note for
1486 stack_check_probe_note with -fstack-protect.
1487 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1489 * emit-rtl.c (remove_unnecessary_notes): Remove.
1490 (pass_remove_unnecessary_notes): Remove.
1491 * rtl.h (remove_unnecessary_notes): Remove prototype.
1492 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1493 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1494 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1496 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1499 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1500 (valid_in_set): Handle ARRAY_REF.
1501 Change "if min_variant or VH" to asserts.
1502 (create_component_ref_by_pieces): Handle ARRAY_REF.
1503 (create_expression_by_pieces): Likewise.
1504 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1506 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1508 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1509 is operand of switch, not str[0].
1511 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1513 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1514 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1516 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1518 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1519 end of insn_extra_address_constraint declaration.
1521 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1523 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1524 (no-sum-in-toc): Same.
1525 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1527 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1528 NO_FP_IN_TOC for -fPIC instead of mask.
1530 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1531 (BOOT_LDFLAGS): Delete.
1533 * config/rs6000/t-aix52: Same.
1535 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1536 (stmsi[345678]_power): New.
1538 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1540 * config/ia64/ia64.opt: Add empty line to end of file.
1542 2006-03-17 Richard Guenther <rguenther@suse.de>
1545 * builtins.c (get_pointer_alignment): For component style references
1546 adjust alignment to the component type alignment. Make sure
1547 to adjust alignment for component access of constants.
1549 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1551 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1554 2006-03-17 Paul Brook <paul@codesourcery.com>
1556 * doc/install.texi: Docuemnt --with-mode.
1557 * config.gcc: Add --with-mode for arm*-*-*.
1558 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1560 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1562 * sh.c (max_labelno_before_reorg): New variable.
1563 (sh_reorg): Initialize it.
1564 (find_barrier): Check max_labelno_before_reorg before using
1565 label_to_alignment. Take length of explicit alignment insns
1566 into account. When seeing a UNSPECV_CONST_END, return it.
1568 * sh.c (fixup_mova): Set mode of affected label to QImode.
1569 (untangle_mova): New function.
1570 (find_barrier): Use it. Check mode of label before decrementing
1572 (sh_reorg): Likewise.
1573 Set mode of all insns back to VOIDmode.
1575 * sh.c (MOVA_LABELREF): New macro.
1576 (mova_p, fixup_mova, sh_reorg): Use it.
1577 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1578 ADDR_DIFF_VEC matches mova.
1580 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1582 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1583 with ATTRIBUTE_UNUSED.
1585 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1587 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1588 pointer, instead of assuming it is possible to derive the
1589 correct args size from a call insn.
1591 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1593 * rtl.h (CONST_INT_P): Define.
1594 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1595 instead of GET_CODE(x) == CONST_INT.
1596 (vax_rtx_costs): Likewise.
1597 (vax_output_int_move): Likewise.
1598 (vax_output_int_add): Likewise.
1599 (legitimate_constant_address_p): Likewise.
1600 (index_term_p): Likewise.
1601 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1602 * config/vax/vax.md (and<mode>3): Likewise.
1603 (ashrsi3): Likewise.
1605 (movstricthi): Likewise.
1606 (movstrictqi): Likewise.
1607 (rotrsi3): Likewise.
1608 (five unnamed insns): Likewise.
1610 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1612 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1613 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1614 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1615 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1616 Pass to ASM_OUTPUT_DWARF_OFFSET.
1617 * dwarf2out.c (debug_frame_section): New.
1618 (output_call_frame_info): Use debug_frame_section. Pass it to
1619 dw2_asm_output_offset.
1620 (output_die): Pass appropriate section to dw2_asm_output_offset.
1621 (output_compilation_unit_header): Likewise.
1622 (output_pubnames): Likewise.
1623 (output_aranges): Likewise.
1624 (enum dw_val_class): Break dw_val_class_lbl_offset into
1625 dw_val_class_lineptr and dw_val_class_macptr.
1626 (add_AT_lbl_offset): Delete.
1627 (add_AT_lineptr): New.
1628 (add_AT_macptr): New.
1629 (AT_lbl): Expect a lineptr or macptr.
1630 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1631 (attr_checksum): Likewise.
1632 (same_dw_val_p): Likewise.
1633 (size_of_die): Likewise.
1634 (value_format): Likewise.
1635 (output_die): Likewise.
1636 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1638 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1639 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1640 * config/darwin-protos.h (darwin_file_start): New.
1641 (darwin_asm_output_dwarf_offset): New.
1642 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1643 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1645 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1646 if not EH section; simplify.
1647 (darwin_file_start): New.
1648 (darwin_asm_output_dwarf_offset): New.
1649 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1651 (DEBUG_INFO_SECTION): Likewise.
1652 (DEBUG_ABBREV_SECTION): Likewise.
1653 (DEBUG_ARANGES_SECTION): Likewise.
1654 (DEBUG_MACINFO_SECTION): Likewise.
1655 (DEBUG_LINE_SECTION): Likewise.
1656 (DEBUG_LOC_SECTION): Likewise.
1657 (DEBUG_PUBNAMES_SECTION): Likewise.
1658 (DEBUG_STR_SECTION): Likewise.
1659 (DEBUG_RANGES_SECTION): Likewise.
1660 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1661 (ASM_OUTPUT_DWARF_OFFSET): New.
1663 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1665 * config.gcc (tm_defines): Always add to previous value rather
1668 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1670 * config/mips/predicates.md (splittable_const_int_operand): New,
1671 split from move_operand.
1672 (splittable_symbolic_operand): New.
1673 (move_operand): Add commentary. Use splittable_const_int_operand.
1674 Inline mips_atomic_symbolic_constant_p.
1675 * config/mips/mips.md: Add combine splitters for handling moves
1676 of splittable_const_int_operands and splittable_symbolic_operands.
1677 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1678 (mips_split_symbol): Declare.
1679 (mips_move_integer): Declare.
1680 * config/mips/mips.c (mips_split_p): Make global.
1681 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1682 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1683 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1684 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1685 (mips_offset_within_object_p): Handle block symbols.
1686 (mips_atomic_symbolic_constant_p): Delete.
1687 (mips_cannot_force_const_mem): Return false for constants that
1688 mips_legitimize_move can handle.
1689 (mips_use_blocks_for_constant_p): New function.
1690 (mips_split_symbol): Make global.
1691 (mips_move_integer): Likewise. Add a temporary register argument.
1692 (mips_legitimize_const_move): Use splittable_const_int_operand and
1693 splittable_symbolic_operand.
1694 (mips_use_anchors_for_symbol_p): New function.
1695 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1696 (mips_split_p): Declare.
1698 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1700 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1701 (mips*-*-linux*): Likewise.
1703 2006-03-16 Roger Sayle <roger@eyesopen.com>
1704 Daniel Speyer <dspeyer@wam.umd.edu>
1707 * tree-dump.c (dump_real): New function.
1708 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1709 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1710 (tree-dump.o): Add $(REAL_H) to the dependencies.
1712 2006-03-16 Roger Sayle <roger@eyesopen.com>
1715 * real.c (real_from_string): If the mantissa is zero, don't bother
1716 parsing the exponent as the result should always be zero.
1718 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1720 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1722 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1724 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1725 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1726 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1727 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1728 ia64_sched_finish_global): New static functions to implement
1729 hooks from gcc_target.sched.
1730 (spec_check_no, max_uid, pending_data_specs): New static variables.
1731 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1732 ia64_spec_check_src_p): New static functions.
1733 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1734 (TARGET_SCHED_ADJUST_COST): Removed.
1735 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1736 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1737 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1738 TARGET_SCHED_GEN_CHECK,
1739 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1740 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1741 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1742 Fixed to handle speculation checks.
1743 (rtx_needs_barrier): Fixed to handle speculative loads and
1745 (ia64_variable_issue): Added code to count speculative loads and their
1747 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1749 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1751 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1753 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1754 (ia64_reorg): Reset stops_p to NULL after it is freed.
1755 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1756 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1757 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1759 (data_speculative, control_speculative, check_load): New attributes.
1760 (mov<mode>_advanced, mov<mode>_speculative,
1761 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1762 zero_extend<mode>di2_speculative,
1763 zero_extend<mode>di2_speculative_advanced): New patterns for
1764 data and control speculative loads.
1765 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1767 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1768 New pattern for data and control speculation checks.
1769 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1770 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1771 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1772 Auxiliary definitions for the patterns.
1773 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1774 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1776 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1778 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1779 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1780 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1781 New resource constraints.
1782 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1784 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1785 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1786 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1787 msched-in-control-spec, msched-ldc, msched-control-ldc,
1788 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1789 msched-prefer-non-control-spec-insns,
1790 msched-count-spec-in-critical-path): New flags to tune speculative
1792 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1793 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1794 msched-in-control-spec, msched-ldc, msched-control-ldc,
1795 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1796 msched-prefer-non-control-spec-insns,
1797 msched-count-spec-in-critical-path): Document new flags.
1799 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1801 * target.h (struct spec_info_def): New opaque declaration.
1802 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1803 speculate_insn, needs_block_p, gen_check,
1804 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1805 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1806 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1807 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1808 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1809 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1811 (TARGET_SCHED): Use new macros.
1812 * rtl.h (copy_DEPS_LIST_list): New prototype.
1813 * sched-int.h (struct sched_info): Change signature of new_ready field,
1814 adjust all initializations. New fields: add_remove_insn,
1815 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1816 region_head_or_leaf_p.
1817 (struct spec_info_def): New structure declaration.
1818 (spec_info_t): New typedef.
1819 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1820 recovery_block, orig_pat.
1821 (glat_start, glat_end): New variables declaraions.
1822 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1824 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1825 DETACH_LIFE_INFO, USE_GLAT.
1826 (enum SPEC_SCHED_FLAGS): New enumeration.
1827 (NOTE_NOTE_BB_P): New macro.
1828 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1829 attach_life_info, debug_spec_status, check_reg_live): New functions.
1830 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1831 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1833 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1834 * ddg.c (get_block_head_tail): Adjust all uses.
1835 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1836 (sms_sched_info): Initialize new fields.
1837 (contributes_to_priority): Removed.
1838 * haifa-sched.c (params.h): New include.
1839 (get_block_head_tail): Adjust all uses.
1840 (ISSUE_POINTS): New macro.
1841 (glat_start, glat_end): New global variables.
1842 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1843 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1844 old_last_basic_block, before_recovery, current_sched_info_var,
1845 rgn_n_insns, luid): New static variables.
1846 (insn_cost1): New function. Move logic from insn_cost to here.
1847 (find_insn_reg_weight1): New function. Move logic from
1848 find_insn_reg_weight to here.
1849 (reemit_notes, move_insn, max_issue): Change signature.
1850 (move_insn1): Removed.
1851 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1852 extend_bb): New static functions to support extension of scheduler's
1854 (generate_recovery_code, process_insn_depend_be_in_spec,
1855 begin_speculative_block, add_to_speculative_block,
1856 init_before_recovery, create_recovery_block, create_check_block_twin,
1857 fix_recovery_deps): New static functions to support
1858 generation of recovery code.
1859 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1860 restore_bb_notes, move_block_after_check, move_succs): New static
1861 functions to support ebb scheduling.
1862 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1863 functions to support handling of register live information.
1864 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1865 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1866 add_jump_dependencies): New static functions.
1867 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1868 consistancy checking.
1869 (debug_spec_status): New function to call from debugger.
1870 (priority): Added code to handle speculation checks.
1871 (rank_for_schedule): Added code to distinguish speculative instructions.
1872 (schedule_insn): Added code to handle speculation checks.
1873 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1874 Fixed to handle ebbs.
1875 (move_insn): Added code to handle ebb scheduling.
1876 (max_issue): Added code to use ISSUE_POINTS of instructions.
1877 (choose_ready): Added code to choose between speculative and
1878 non-speculative instructions.
1879 (schedule_block): Added code to handle ebb scheduling and scheduling of
1880 speculative instructions.
1881 (sched_init): Initialize new variables.
1882 (sched_finish): Free new variables. Print statistics.
1883 (try_ready): Added code to handle speculative instructions.
1884 * lists.c (copy_DEPS_LIST_list): New function.
1885 * sched-deps.c (extend_dependency_caches): New function. Move logic
1886 from create_dependency_caches to here.
1887 (get_dep_weak, ds_merge): Make global.
1888 * genattr.c (main): Code to output prototype for
1889 dfa_clear_single_insn_cache.
1890 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1891 (output_dfa_clean_insn_cache_func): Code to output
1892 dfa_clear_single_insn_cache function.
1893 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1895 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1897 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1898 New static variables.
1899 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1900 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1902 (ebb_sched_info): Initialize new fields.
1903 (get_block_head_tail): Adjust all uses.
1904 (compute_jump_reg_dependencies): Fixed to use glat_start.
1905 (schedule_ebb): Code to remove unreachable last block.
1906 (schedule_ebbs): Added code to update register live information.
1907 * sched-rgn.c (region_sched_info): Initialize new fields.
1908 (get_block_head_tail): Adjust all uses.
1909 (last_was_jump): Removed. Adjust users.
1910 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1911 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1912 Implement new hooks.
1913 (check_dead_notes1): New static function.
1914 (struct region): New fields: dont_calc_deps, has_real_ebb.
1915 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1916 (BB_TO_BLOCK): Fixed to handle EBBs.
1917 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1918 (ebb_head): New static variable.
1919 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1920 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1922 (compute_dom_prob_ps): New assertion.
1923 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1924 global_live_at_start.
1925 (init_ready_list): New assertions.
1926 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1927 (new_ready): Add support for BEGIN_CONTROL speculation.
1928 (schedule_insns): Fixed code that updates register live information
1930 (schedule_region): Fixed to handle EBBs.
1931 (init_regions): Use extend_regions and check_dead_notes1.
1932 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1933 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1934 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1935 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1936 TARGET_SCHED_GEN_CHECK,
1937 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1938 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1939 * doc/invoke.texi (max-sched-insn-conflict-delay,
1940 sched-spec-prob-cutoff): Document.
1942 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1944 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1945 inter_tick, queue_index.
1946 (struct sched_info): Change signature of init_ready_list field.
1947 Adjust all initializations.
1948 (RESOLVED_DEPS): New access macro.
1949 (ready_add): Remove prototype.
1950 (try_ready): Add prototype.
1951 * sched-rgn.c (init_ready_list): Use try_ready.
1952 (schedule_region): Initialize
1953 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1954 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1955 (init_ready_list): Use try_ready.
1956 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1957 * lists.c (remove_list_elem): Remove `static'.
1958 (remove_free_INSN_LIST_elem): New function.
1959 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1960 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1961 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1963 (readyp): New variable.
1964 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1965 change_queue_index, resolve_dep): New static functions.
1966 (try_ready): New function. Adjust callers in sched-rgn.c and
1967 sched-ebb.c to use it instead of ready_add.
1968 (clock_var): Move at the begining of file.
1969 (rank_for_schedule): Fix typo.
1970 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1971 (ready_lastpos): Enforce assertion.
1972 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1974 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1975 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1976 (queue_to_ready): Use free_INSN_LIST_list.
1977 (early_queue_to_ready): Fix typo.
1978 (schedule_block): Init readyp. Move init_ready_list call after the
1979 initialization of clock_var. Fix error in rejecting insn by
1980 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1981 that previously corrected INSN_TICKs. Add code for handling
1983 (set_priorities): Fix typo.
1984 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1985 Clarify comment and code that keeps current_sched_info->next_tail
1988 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1990 * sched-rgn.c (extend_rgns): New static function.
1991 (find_rgns): Use it.
1992 (gather_region_statistics, print_region_statistics): New static
1994 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1995 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1997 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1998 Andrey Belevantsev <abel@ispras.ru>
2000 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2001 * lists.c (unused_deps_list): New variable.
2002 (free_list): Add assertions to verify the proper distinguishing
2003 between INSN_LISTs and DEPS_LISTs.
2004 (find_list_elem, remove_list_elem, remove_list_node): New static
2006 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2007 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2008 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2009 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2011 (free_INSN_LIST_node): Likewise.
2012 * modulo-sched.c (current_sched_info): Initialize flags field.
2013 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2014 * rtl.def (DEPS_LIST): Define.
2015 * rtl.h: Declare new functions from lists.c.
2016 * sched-deps.c (spec_dependency_cache): New static variable.
2017 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2018 (add_dependence): Change return type to void. Move the logic to ...
2019 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2020 (delete_all_dependences): Add comment about forward_dependency_cache.
2021 Handle spec_dependency_cache. Handle DEPS_LISTs.
2022 (fixup_sched_groups): Clarify the change of priority of output
2023 and anti dependencies.
2024 (sched_analyze_2): Adjust add_dependence calls to create data
2025 speculative dependence.
2026 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2027 Adjust all callers. Handle DEPS_LISTS.
2028 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2029 presence of speculation.
2030 (init_dependency_caches, free_dependency_caches):
2031 Handle spec_dependency_cache.
2032 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2033 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2034 New static functions.
2035 (add_or_update_back_dep, add_or_update_back_forw_dep,
2036 add_back_forw_dep, delete_back_forw_dep): New functions.
2037 * sched-int.h (ds_t, dw_t): New typedefs.
2038 (struct sched_info): Add new field flags.
2039 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2040 Prototype new sched-deps.c functions.
2041 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2042 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2043 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2044 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2045 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2046 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2048 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2050 * sched-rgn.c (current_sched_info): Initialize flags field.
2051 (schedule_insns): Initialize current_sched_info before the sched_init
2053 * sched-ebb.c (current_sched_info): Initialize flags field.
2054 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2055 Call add_or_update_back_dep instead of add_dependence.
2056 Create control speculative dependencies.
2057 (schedule_insns): Initialize current_sched_info before the sched_init
2060 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2062 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2064 (sh_fallback_frame_state): Likewise.
2066 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2068 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2069 Do switch on default_use_cxa_atexit.
2070 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2071 * config/darwin-crt3.o: New.
2072 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2073 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2074 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2076 * config/rs6000/t-darwin: Move crt2.o building to here.
2077 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2078 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2081 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2083 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2084 from '! xxx' to '!xxx' for coding-style conformance.
2085 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2086 (EXTRA_CONSTRAINT): Likewise.
2087 * config/vax/vax.md (four unnamed insns): Likewise.
2089 2006-03-15 Paul Brook <paul@codesourcery.com>
2091 * config/arm/arm.c (minipool_pad): New.
2092 (add_minipool_forward_ref): Include pool alignment padding in address
2094 (push_minipool_fix): Set minipool_pad.
2095 (minipool_pad): Ditto.
2097 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2099 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2100 instead of GET_CODE() == MEM and REG_P() instead of
2102 (print_operand_address): Likewise.
2103 (vax_address_cost): Likewise.
2104 (vax_rtx_costs): Likewise.
2105 (vax_notice_update_cc): Likewise.
2106 (vax_output_int_add): Likewise.
2107 (INDEX_REGISTER_P): Likewise.
2108 (BASE_REGISTER_P): Likewise.
2109 (nonindexed_address_p): Likewise.
2110 (vax_mode_dependent_address_p): Likewise.
2111 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2112 (PRINT_OPERAND): Likewise.
2113 * config/vax/vax.md (ashlsi3): Likewise.
2114 (ashlsi3): Likewise.
2115 (some more unnamed insns): Likewise.
2117 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2119 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2120 iterator-style macro.
2121 (mark_control_dependent_edges_necessary): Update the use of
2122 EXECUTE_IF_CONTROL_DEPENDENT.
2124 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2126 * config/sh/predicates.md (cache_address_operand): Special.
2127 (ua_address_operand): Likewise.
2129 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2131 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2133 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2135 2006-03-15 Andreas Schwab <schwab@suse.de>
2137 * gensupport.c (identify_predicable_attribute): Don't free p_false
2138 when it is still in use.
2140 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2142 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2143 the default setting here.
2145 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2147 * tree-pass.h (pass_cfg): Remove.
2148 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2149 * passes.c (pass_cfg): Don't run it.
2151 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2153 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2154 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2156 (stack_regs_mentioned): Update the uses of
2157 stack_regs_mentioned_data. Don't access the array beyond its
2159 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2160 Don't include gt-reg-stack.h.
2162 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2163 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2165 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2168 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2171 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2173 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2175 2006-03-14 Richard Guenther <rguenther@suse.de>
2177 PR tree-optimization/26672
2178 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2181 2006-03-14 Richard Guenther <rguenther@suse.de>
2183 PR tree-optimization/26667
2184 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2185 node for the callees. Always allow inlining if it will shrink
2188 2006-03-14 Richard Guenther <rguenther@suse.de>
2191 * builtins.c (get_pointer_alignment): Prefer alignment
2192 information from decls over that from types.
2194 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2197 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2199 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2201 * config/rs6000/rs6000.opt (mdlmzb): New option.
2202 (msched-prolog, msched-epilog): Use Var not Mask.
2203 * doc/invoke.texi (-mdlmzb): Document.
2204 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2206 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2207 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2209 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2211 PR rtl-optimization/25739
2212 * bt-load.c (augment_live_range): Free tos pointer.
2214 * gensupport.c (identify_predicable_attribute): Free
2216 * gcov.c (create_file_names): Free name pointer.
2218 2006-03-13 Roger Sayle <roger@eyesopen.com>
2221 * stmt.c (emit_case_nodes): Handle the case where the index is a
2222 CONST_INT, where the comparison mode is specified by the index type.
2224 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2226 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2229 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2231 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2232 (*branch_fp_inverted): Likewise.
2234 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2237 * omp-low.c (expand_omp_for_generic): Mark istart0
2238 and iend0 as addressable.
2240 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2242 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2244 2006-03-13 Jeff Law <law@redhat.com>
2246 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2247 virtual operands are interesting.
2248 (vrp_visit_stmt): Corresponding changes.
2250 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2252 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2254 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2255 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2256 * config/bfin/crti.S: Use it instead of __PIC__.
2257 * config/bfin/crtn.S: Likewise.
2259 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2260 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2262 Lose 'G' modifier for call operand.
2263 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2264 recognize 'G' modifier.
2266 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2269 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2270 * stmt.c (expand_case): Likewise.
2272 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2274 PR rtl-optimization/26254
2275 * loop-invariant.c (seq_insns_valid_p): New function.
2276 (move_invariant_reg): Only emit new code if it is valid.
2278 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2280 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2282 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2283 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2284 (commit_one_edge_insertion): Do not look for loop notes.
2286 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2288 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2289 flag_test_coverage out of loop.
2291 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2293 * final.c (shorten_branches): Remove outdated comment, and turn
2294 the if branch that guards it to continue.
2296 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2298 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2299 * cfgloop.h (struct loop): Remove unused fields.
2301 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2303 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2304 (-dL, -fdump-rtl-loop2): Update the dump file names
2306 * doc/invoke.texi: Update dump file names.
2308 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2310 * predict.c (estimate_probability): Remove.
2311 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2312 * basic-block.h (estimate_probability): Remove prototype.
2313 * passes.c (finish_optimization_passes): Dump branch prediction or
2314 profiling heuristics to the .profile tree dump.
2315 (init_optimization_passes): Unqueue pass_branch_prob.
2317 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2319 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2321 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2322 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2324 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2326 * function.h (frame_offset_overflow): Declare.
2327 * function.c (frame_offset_overflow): New function.
2328 (assign_stack_local_1): Call it to detect that the offset overflows.
2329 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2331 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2333 * config/sh/sh.c: Include alloc-pool.h.
2334 (label_ref_list_pool): New alloc pool.
2335 (label_ref_list_t): New type for lists of labels.
2336 (struct pool_node): Make wend a label_ref_list_t.
2337 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2339 (dump_table): Likewise.
2340 (sh_reorg): Set up the alloc pool before using add_constant and
2341 dump_table, and destroy it when finishing.
2343 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2345 * config/mips/mips.c: Remove redundant comment.
2347 2006-03-10 Jason Merrill <jason@redhat.com>
2350 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2351 the target was declared 'register'.
2353 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2355 * genpreds.c (write_insn_constraint_len): Change definition of
2356 insn_constraint_len to return size_t to match the declaration.
2358 2006-03-10 DJ Delorie <dj@redhat.com>
2360 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2362 (m32c_expand_insv): Fix test for an AND mask.
2364 2006-03-10 Richard Guenther <rguenther@suse.de>
2367 * builtins.c (get_pointer_alignment): Handle component
2368 references for field alignment.
2370 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2372 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2373 when building with libgloss.
2374 (sh*elf): Implement --without-fp option.
2375 (sh64-superh-linux*): Don't multilib.
2377 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2379 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2381 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2383 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2384 Set it when one of the replacement functions returned true.
2385 Return TODO_cleanup_cfg if cfgchanged is true.
2386 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2388 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2390 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2391 instead of gen_lowpart.
2393 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2395 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2397 (mips_output_order_conditional_branch): Declare.
2398 * config/mips/mips.h (MIPS_BRANCH): New macro.
2399 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2400 for the comparison. Use gen_condjump.
2401 (mips_output_conditional_branch): Rework interface to take the
2402 asm templates for a direct branch and the inverse of a direct branch.
2403 (mips_output_order_conditional_branch): New function.
2404 (mips_builtin_branch_and_move): New function.
2405 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2406 branch condition. Use gen_single_cc as the condition for
2407 __builtin_mips_upper_* or __builtin_mips_lower_*.
2408 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2409 Use VOIDmode for the branch condition.
2410 * config/mips/predicates.md (order_operator): New predicate.
2411 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2412 (branch_fp): Rename to...
2413 (*branch_fp): ...this. Remove mode from comparison operator.
2414 Use new mips_output_conditional_branch interface.
2415 (branch_fp_inverted): Rename to...
2416 (*branch_fp_inverted): ...this and update as for *branch_fp.
2417 (*branch_zero<mode>): Rename to...
2418 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2419 Use mips_output_order_conditional_branch. Only accept ordered
2421 (*branch_zero<mode>_inverted): Rename to...
2422 (*branch_order<mode>_inverted): ...this and update as for
2423 *branch_order<mode>.
2424 (*branch_equality<mode>): Accept zero as the second operand to
2425 the equality operator. Use the new mips_output_conditional_branch
2427 (*branch_equality<mode>_inverted): Likewise.
2428 (condjump): New expander.
2429 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2431 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2432 (bc1any2t, bc1any2f): Likewise.
2433 (single_cc): New expander.
2434 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2436 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2438 * doc/md.texi: Update documentation of MIPS constraints.
2439 * config/mips/constraints.md: New file.
2440 * config/mips/mips.md: Include it.
2441 * config/mips/mips.c (mips_char_to_class): Delete.
2442 (override_options): Don't initialize mips_char_to_class.
2443 * config/mips/mips.h (mips_char_to_class): Delete.
2444 (REG_CLASS_FROM_LETTER): Delete.
2445 (CONST_OK_FOR_LETTER_P): Delete.
2446 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2447 (EXTRA_CONSTRAINT_Y): Delete.
2448 (EXTRA_CONSTRAINT_STR): Delete.
2449 (CONSTRAINT_LEN): Delete.
2450 (EXTRA_MEMORY_CONSTRAINT): Delete.
2452 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2454 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2455 original fn's eh regions.
2457 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2459 * fold-const.c (build_range_check): Make sure to use a valid type to
2460 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2463 (range_predecessor): New static function.
2464 (range_successor): Likewise.
2465 (merge_ranges): Use them to compute predecessors and successors of
2468 2006-03-09 Roger Sayle <roger@eyesopen.com>
2471 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2472 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2474 2006-03-08 DJ Delorie <dj@redhat.com>
2476 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2477 (addpsi3): Expand to include memory operands. Remove
2478 reload-specific splits.
2479 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2480 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2481 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2482 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2483 (shift1_qi, shift1_hi, insv): New.
2484 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2485 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2486 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2488 * config/m32c/m32c-protos.h: Update as needed.
2489 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2490 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2491 Fail for unrecognized R* constraints.
2492 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2493 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2494 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2496 (m32c_init_libfuncs): New.
2497 (m32c_legitimate_address_p): Add debug wrapper.
2498 (m32c_rtx_costs): New.
2499 (m32c_address_cost): New.
2500 (conversions): Add 'B' prefix.
2501 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2502 operands, or word regnames for QI operands. 'B' prints bit
2504 (m32c_expand_setmemhi): New.
2505 (m32c_expand_movmemhi): New.
2506 (m32c_expand_movstr): New.
2507 (m32c_expand_cmpstr): New.
2508 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2509 (m32c_expand_neg_mulpsi3): Handle non-ints.
2510 (m32c_cmp_flg_0): New.
2511 (m32c_expand_movcc): New.
2512 (m32c_expand_insv): New.
2513 (m32c_scc_pattern): New.
2514 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2515 a0/a1 out of SIregs.
2516 (STORE_FLAG_VALUE): New.
2517 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2520 * config/m32c/mov.md: Make constraints more liberal.
2521 (zero_extendqihi2): Optimize r0/r1 case.
2522 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2523 * config/m32c/predicates.md (m32c_any_operand): New.
2524 (m32c_nonimmediate_operand): New.
2525 (m32c_hl_operand): New.
2526 (m32c_r3_operand): New.
2529 (memsym_operand): New.
2530 (memimmed_operand): New.
2531 (a_qi_operand): New.
2532 (m32c_eqne_operator): New.
2533 (m32c_1bit8_operand): New.
2534 (m32c_1bit16_operand): New.
2535 (m32c_1mask8_operand): New.
2536 (m32c_1mask16_operand): New.
2537 * config/m32c/blkmov.md: New file.
2538 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2540 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2542 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2543 unsigned to fix signed/unsigned comparison issue in
2544 DWARF2_FRAME_REG_OUT.
2545 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2546 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2548 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2549 of ptr into the ENABLE_CHECKING section.
2551 2006-03-08 Jeff Law <law@redhat.com>
2553 * tree-vrp.c (infer_value_range): Only count pointer uses
2554 and dereferences if -fdelete-null-pointer-checks is enabled.
2556 * tree-vrp.c (find_assert_locations): Infer value ranges for
2557 single use pointers, but do not create ASSERT_EXPRs for them.
2558 When a non-null range is inferred for a pointer, backwards
2559 propagate that range to other equivalent pointers through the
2562 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2565 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2566 language hook targets.
2567 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2568 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2569 if language hook targets were missing.
2571 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2573 * tree-ssa-opfinalize.h: Removed.
2574 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2576 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2577 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2578 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2579 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2580 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2581 finalize_ssa_v_must_def_ops): New.
2583 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2585 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2588 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2590 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2592 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2593 addresses with offsets; reorganize.
2595 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2596 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2597 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2599 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2602 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2604 2006-03-08 Ben Elliston <bje@au.ibm.com>
2606 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2608 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2611 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2614 2006-03-07 Richard Guenther <rguenther@suse.de>
2616 PR tree-optimization/26587
2617 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2619 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2621 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2623 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2625 * hooks.c (hook_bool_mode_rtx_true): New function.
2626 * hooks.h (hook_bool_mode_rtx_true): Declare.
2627 * toplev.c (compile_file): Call output_shared_constant_pool.
2628 * varasm.c (shared_constant_pool): New variable.
2629 (assemble_start_function, assemble_end_function): Remove arguments
2630 from call to output_constant_pool.
2631 (create_constant_pool): New function, split out from...
2632 (init_varasm_status): ...here.
2633 (force_const_mem): Choose between the shared and per-function constant
2634 pools. Set current_function_uses_const_pool when reusing old entries
2635 as well as when creating new ones.
2636 (mark_constant): Ignore data argument.
2637 (mark_constants): Remove pool argument.
2638 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2639 to decide whether the function uses a constant pool.
2640 (output_constant_pool_contents): New function, split out from...
2641 (output_constant_pool): ...here.
2642 (output_shared_constant_pool): New function.
2643 (init_varasm_once): Initialize shared_constant_pool.
2644 * output.h (output_constant_pool): Delete.
2645 (output_shared_constant_pool): Declare.
2646 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2647 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2649 2006-03-06 Nick Clifton <nickc@redhat.com>
2651 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2652 flag_strength_reduce.
2654 2006-03-06 Ben Elliston <bje@au.ibm.com>
2656 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2657 x86_64-*-linux* configurations.
2659 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2660 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2662 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2664 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2666 * basic-block.h: Remove the extern for
2667 rediscover_loops_after_threading.
2669 * cfgloop.c (cancel_loop): Make it static.
2670 * cfgloop.h: Remove the prototype for cancel_loop.
2672 * flow.c (recompute_reg_usage): Make it static.
2673 * rtl.h: Remove the prototype for recompute_reg_usage.
2675 * function.c (use_return_register): Make it static.
2676 * function.h: Remove the prototype.
2678 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2680 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2682 * recog.h: Remove the prototype for
2683 validate_change_maybe_volatile.
2685 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2687 * rtlanal.c (replace_reg): Remove.
2688 * rtl.h: Remove the prototype for replace_reg.
2690 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2692 * regclass.c (reg_scan_update): Remove.
2693 (reg_scan_mark_refs): Remove the last argument.
2694 * rtl.h: Remove the prototype for reg_scan_update.
2696 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2698 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2699 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2700 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2701 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2702 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2703 loop-invariant.c, omp-low.c, opts.c, passes.c,
2704 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2705 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2706 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2707 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2708 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2709 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2711 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2713 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2714 * dwarf2out.h: Remove the prototype for
2715 dwarf2out_add_library_unit_info.
2717 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2719 * tree.c (add_var_to_bind_expr): Remove.
2720 * tree.h: Remove the prototype for add_var_to_bind_expr.
2722 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2724 * regclass.c (n_non_fixed_regs): Remove.
2725 (init_reg_sets_1, globalize_reg): Remove all uses of
2727 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2729 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2731 * rtlanal.c (insns_safe_to_move_p): Remove.
2732 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2734 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2736 * expmed.c (expand_mult_add): Remove.
2737 * expr.h: Remove the prototype for expand_mult_add.
2739 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2741 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2742 and REG_SAVED_VAL_EXP constants.
2743 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2744 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2745 Handle regs stored by value.
2746 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2747 (execute_cfa_program): Handle DW_CFA_val_offset,
2748 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2749 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2750 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2751 (uw_install_context_1): Handle target regs stored by value.
2753 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2755 * tree-sra.c (tree_sra): Return todoflags;
2756 (generate_one_element): Set TODO_update_smt_usage if needed.
2757 (pass_sra): Remove TODO_update_smt_usage.
2758 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2760 (tree_ssa_forward_propagate_single_use_vars): Return
2761 TODO_update_smt_usage if we need to update SMT usage.
2762 (pass_forwprop): Remove TODO_update_smt_usage.
2764 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2766 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2767 (correct_use_link): Remove reference to get_stmt_operands.
2768 (update_stmt_operands): Likewise.
2769 (get_modify_expr_operands): New function factored out of
2770 parse_ssa_operands and get_expr_operands.
2771 Try to create V_MUST_DEFs for LHS by default.
2772 (get_expr_operands) <case MODIFY_EXPR>: Call
2773 get_modify_expr_operands.
2774 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2775 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2776 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2777 get_modify_expr_operands.
2779 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2781 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2782 * tree-flow.h: Remove the prototype for
2783 referenced_var_lookup_if_exists.
2785 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2787 PR rtl-optimization/26345
2789 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2791 2006-03-03 Roger Sayle <roger@eyesopen.com>
2793 PR tree-optimization/26524
2794 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2795 fold_convert to create a constant of the appropriate type.
2797 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2799 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2800 SYMBOL_REF_IN_BLOCK_P.
2801 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2802 of SYMBOL_FLAG_IN_BLOCK.
2803 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2804 instead of SYMBOL_REF_IN_BLOCK_P.
2805 * explow.c (use_anchored_address): Likewise.
2806 * rtl.c (rtx_size): Likewise.
2807 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2808 instead of SYMBOL_FLAG_IN_BLOCK.
2809 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2810 SYMBOL_REF_IN_BLOCK_P.
2811 (assemble_variable): Likewise.
2812 (output_constant_def_contents): Likewise.
2813 (output_constant_pool): Likewise.
2814 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2815 instead of SYMBOL_FLAG_IN_BLOCK.
2816 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2817 SYMBOL_REF_IN_BLOCK_P.
2818 (SYMBOL_REF_BLOCK): Likewise.
2819 (SYMBOL_REF_OFFSET): Likewise.
2820 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2821 SYMBOL_REF_IN_BLOCK_P.
2822 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2823 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2824 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2825 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2827 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2829 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2831 2006-03-02 Roger Sayle <roger@eyesopen.com>
2833 * simplify-rtx.c (simplify_unary_operation): When simplifying
2834 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2835 that we perform the right shift in the appropriate mode, and
2836 then extend or truncate the result to requested mode.
2838 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2840 * gengtype.c (main): Handle double_int type.
2841 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2842 * double-int.c: New file.
2843 * double-int.h: New file.
2844 * system.h: Include doubleint.h.
2845 * Makefile.in (SYSTEM_H): Include double-int.h.
2846 (double-int.o): Add.
2848 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2851 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2854 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2856 * tree-vrp.c (remove_range_assertions): Do not update statements
2859 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2861 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2863 * gcse.c (rest_of_handle_gcse): Ditto.
2864 * except.c (gate_handle_eh): Ditto.
2865 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2866 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2868 2006-03-02 Eric Christopher <echristo@apple.com>
2870 * config/i386/i386.c (machopic_output_stub): Add indirection to
2873 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2877 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2879 Sun Niagara specific optimizations.
2880 * config.gcc: Recognize niagara as target.
2881 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2882 (TARGET_CPU_niagara): Define.
2883 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2884 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2885 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2886 (ASM_CPU_SPEC): Likewise.
2887 (PROCESSOR_NIAGARA): New enum entry.
2888 (REGISTER_MOVE_COST): Handle Niagara.
2889 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2890 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2891 (sparc_override_options): Recognize "niagara", set appropriate
2892 default MASK_* values for it, and align functions to 32-bytes
2893 by default just like ULTRASPARC/ULTRASPARC3.
2894 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2895 (sparc64_initialize_trampoline): Likewise.
2896 (sparc_use_sched_lookahead): Use zero for niagara.
2897 (sparc_issue_rate): Use one for niagara.
2898 * config/sparc/niagara.md: New file.
2899 * config/sparc/sparc.md: Include it.
2900 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2901 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2902 when default cpu is niagara.
2903 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2904 (ASM_CPU_SPEC): Likewise.
2905 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2906 when default cpu is niagara.
2907 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2908 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2909 just like v9/ultrasparc/ultrasparc3.
2910 * doc/invoke.texi: Add documentation for "niagara" and improve
2911 existing documentation for ultrasparc variants.
2913 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2915 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2917 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2919 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2920 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2921 and say that only one is needed.
2922 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2923 * target.h (have_switchable_bss_sections): New hook.
2924 * explow.c (use_anchored_address): Check that the symbol is in a block.
2925 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2926 (bss_noswitch_section): New variables.
2927 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2928 (get_noswitch_section): New function.
2929 (get_block_for_section): Allow SECT to be null.
2930 (unlikely_text_section_p): Use SECTION_STYLE.
2931 (bss_initializer_p): New function.
2932 (get_variable_section): Move earlier in file. Take a new argument,
2933 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2934 Return one of the new *_sections in such cases.
2935 (get_block_for_decl): New function, extracting some logic from
2936 use_blocks_for_decl_p.
2937 (change_symbol_section): Remove in favor of...
2938 (change_symbol_block): ...this new function.
2939 (use_blocks_for_decl_p): Remove checks now performed by
2941 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2942 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2943 (emit_local, emit_bss, emit_common): ...these new functions.
2944 Return true if the alignment was honored.
2945 (emit_tls_common): New function.
2946 (asm_emit_uninitialised): Delete.
2947 (assemble_variable_noswitch): New function, split out from...
2948 (assemble_variable): ...here. Don't make decisions about common
2949 variables here. Globalize all public decls that go into non-common
2950 sections. Check whether SYMBOL_REF_BLOCK is null.
2951 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2952 (output_constant_pool): Likewise.
2953 (init_varasm_once): Initialize the new section variables.
2954 (have_global_bss_p): New function.
2955 (categorize_decl_for_section): Use bss_initializer_p.
2956 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2957 (place_block_symbol): Assert that the symbol must be in a block.
2958 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2959 (TARGET_INITIALIZER): Include it.
2960 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2961 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2962 (SECTION_MACH_DEP): Bump by two.
2963 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2964 (unnamed_section): Mention SECTION_UNNAMED in comment.
2965 (named_section): Likewise SECTION_NAMED.
2966 (noswitch_section_callback): New type.
2967 (noswitch_section): New structure.
2968 (section): Add a noswitch_section alternative.
2969 (SECTION_STYLE): New macro.
2970 (tls_comm_section, comm_section, lcomm_section): Declare.
2971 (bss_noswitch_section, have_global_bss_p): Declare.
2972 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2973 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2975 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2976 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2979 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2981 * gcc/tree-vrp.c (execute_vrp): Return value.
2982 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2983 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2984 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2985 (tree_lower_complex_O0): Ditto.
2986 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2987 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2988 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2989 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2990 (execute_tail_calls): Ditto.
2991 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2992 * gcc/tree.h (init_function_for_compilation): Ditto.
2993 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2994 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2995 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2996 * gcc/final.c (compute_alignments): Ditto.
2997 (rest_of_handle_final): Ditto.
2998 (rest_of_handle_shorten_branches): Ditto.
2999 (rest_of_clean_state): Ditto.
3000 * gcc/omp-low.c (execute_expand_omp): Ditto.
3001 (execute_lower_omp): Ditto.
3002 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3003 * gcc/ipa-reference.c (static_execute): Ditto.
3004 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3005 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3006 (rest_of_handle_machine_reorg): Ditto.
3007 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3008 * gcc/flow.c (recompute_reg_usage): Ditto.
3009 (rest_of_handle_remove_death_notes): Ditto.
3010 (rest_of_handle_life): Ditto.
3011 (rest_of_handle_flow2): Ditto.
3012 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3013 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3014 (do_ssa_store_ccp): Ditto.
3015 (execute_fold_all_builtins): Ditto.
3016 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3017 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3018 * gcc/ipa-pure-const.c (static_execute): Ditto.
3019 * gcc/cse.c (rest_of_handle_cse): Ditto.
3020 (rest_of_handle_cse2): Ditto.
3021 * gcc/web.c (rest_of_handle_web): Ditto.
3022 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3023 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3024 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3025 * gcc/tree-nrv.c (tree_nrv): Ditto.
3026 (execute_return_slot_opt): Ditto.
3027 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3028 (create_structure_vars): Ditto.
3029 * gcc/loop-init.c (rtl_loop_init): Ditto.
3030 (rtl_loop_done): Ditto.
3031 (rtl_move_loop_invariants): Ditto.
3032 (rtl_unswitch): Ditto.
3033 (rtl_unroll_and_peel_loops): Ditto.
3034 (rtl_doloop): Ditto.
3035 * gcc/gimple-low.c (lower_function_body): Ditto.
3036 (mark_used_blocks): Ditto.
3037 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3038 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3039 (cgraph_early_inlining): Ditto.
3040 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3041 * gcc/jump.c (cleanup_barriers): Ditto.
3042 (purge_line_number_notes): Ditto.
3043 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3044 (rest_of_handle_if_after_reload): Ditto.
3045 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3046 (tree_ssa_loop_im): Ditto.
3047 (tree_ssa_loop_unswitch): Ditto.
3048 (tree_vectorize): Ditto.
3049 (tree_linear_transform): Ditto.
3050 (tree_ssa_loop_ivcanon): Ditto.
3051 (tree_ssa_empty_loop): Ditto.
3052 (tree_ssa_loop_bounds): Ditto.
3053 (tree_complete_unroll): Ditto.
3054 (tree_ssa_loop_prefetch): Ditto.
3055 (tree_ssa_loop_ivopts): Ditto.
3056 (tree_ssa_loop_done): Ditto.
3057 * gcc/predict.c (tree_estimate_probability): Ditto.
3058 * gcc/recog.c (split_all_insns_noflow): Ditto.
3059 (rest_of_handle_peephole2): Ditto.
3060 (rest_of_handle_split_all_insns): Ditto.
3061 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3062 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3063 (rest_of_handle_stack_adjustments): Ditto.
3064 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3065 * gcc/function.c (instantiate_virtual_regs): Ditto.
3066 (init_function_for_compilation): Ditto.
3067 (rest_of_handle_check_leaf_regs): Ditto.
3068 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3069 (rest_of_handle_gcse): Ditto.
3070 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3071 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3072 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3073 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3074 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3075 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3076 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3077 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3078 * gcc/except.c (set_nothrow_function_flags): Ditto.
3079 (convert_to_eh_region_ranges): Ditto.
3080 (rest_of_handle_eh): Ditto.
3081 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3082 (remove_unnecessary_notes): Ditto.
3083 * gcc/except.h (set_nothrow_function_flags): Ditto.
3084 (convert_to_eh_region_ranges): Ditto.
3085 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3086 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3087 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3088 (execute_fre): Ditto.
3089 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3090 (rest_of_handle_jump2): Ditto.
3091 * gcc/tree-sra.c (tree_sra): Ditto.
3092 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3093 (execute_mudflap_function_decls): Ditto.
3094 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3095 (do_store_copy_prop): Ditto.
3096 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3097 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3098 * gcc/tree-ssa-forwprop.c
3099 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3100 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3101 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3102 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3103 (execute_late_warn_uninitialized): Ditto.
3104 * gcc/rtl.h (cleanup_barriers): Ditto.
3105 (split_all_insns_noflow): Ditto.
3106 (purge_line_number_notes): Ditto.
3107 (unshare_all_rtl): Ditto.
3108 (remove_unnecessary_notes): Ditto.
3109 (recompute_reg_usage): Ditto.
3110 (variable_tracking_main): Ditto.
3111 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3112 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3113 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3114 (execute_free_cfg_annotations): Ditto.
3115 (execute_fixup_cfg): Ditto.
3116 (execute_cleanup_cfg_pre_ipa): Ditto.
3117 (execute_cleanup_cfg_post_optimizing): Ditto.
3118 (execute_init_datastructures): Ditto.
3119 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3120 * gcc/combine.c (rest_of_handle_combine): Ditto.
3121 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3122 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3123 (rest_of_handle_reorder_blocks): Ditto.
3124 (rest_of_handle_partition_blocks): Ditto.
3125 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3126 * gcc/tree-profile.c (tree_profiling): Ditto.
3127 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3128 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3129 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3130 (rest_of_handle_sched2): Ditto.
3131 * gcc/basic-block.h (free_bb_insn): Ditto.
3132 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3133 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3134 (remove_useless_stmts): Ditto.
3135 (split_critical_edges): Ditto.
3136 (execute_warn_function_return): Ditto.
3137 (execute_warn_function_noreturn): Ditto.
3138 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3139 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3140 * gcc/passes.c (execute_one_pass): Run additional
3141 todos returned by execute function.
3142 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3145 2006-03-02 Richard Guenther <rguenther@suse.de>
3147 * tree-ssa-alias.c (find_used_portions): Consider taking
3148 the address as making the variable not write-only.
3150 2006-03-02 Nick Clifton <nickc@redhat.com>
3152 * config.gcc (default_use_cxa_atexit): Extend the description of
3153 this configure variable. Set its default value to "yes" for
3154 Linux, NetBSD and ELF targets on the assumption that they will
3155 use C libraries with the __cxa_atexit function.
3157 2006-03-02 Ben Elliston <bje@au.ibm.com>
3159 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3160 parameter as unused to suppress a build warning.
3162 2006-03-02 Ben Elliston <bje@au.ibm.com>
3164 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3167 2006-03-01 Roger Sayle <roger@eyesopen.com>
3170 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3171 declared name, the weak reference name, and the typeof name.
3172 (__gthrw): Avoid expanding the declared name suffix.
3173 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3175 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3177 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3179 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3180 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3181 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3182 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3183 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3184 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3185 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3186 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3187 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3188 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3189 (DW_END_default, DW_END_big, DW_END_little): New.
3190 (DW_END_lo_user, DW_END_hi_user): Define.
3191 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3192 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3193 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3196 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3198 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3200 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3202 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3204 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3206 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3207 to 'symbol_mem_tag'.
3209 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3212 2006-03-01 Roger Sayle <roger@eyesopen.com>
3214 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3216 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3219 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3220 MACHO_DYNAMIC_NO_PIC_P.
3221 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3223 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3226 * config/darwin-protos.h (darwin_asm_output_anchor):
3228 * config/darwin-sections.def (cstring_section):
3229 Add SECTION_MERGE to the flags.
3230 (literal4_section): Likewise.
3231 (literal8_section): Likewise.
3232 (objc_selector_refs_section): Likewise.
3233 (objc_cls_refs_section): Likewise.
3234 * config/darwin.c (darwin_asm_output_anchor): New
3236 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3238 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3240 Fix PR tree-optimization/26443
3241 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3242 to todo and PROP_tmt_usage to properties_destroyed.
3243 * tree-ssa-ccp.c (pass_ccp): Ditto.
3244 (pass_store_ccp): Ditto.
3245 * tree-ssa-dom.c (pass_dominator): Ditto.
3247 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3249 * tree-ssa-operands.c: Cleanup whitespace.
3250 (get_asm_expr_operands): Move before first invocation.
3251 (get_indirect_ref_operands): Likewise.
3252 (get_tmr_operands): Likewise.
3253 (get_call_expr_operands): Likewise.
3254 (append_def): Likewise.
3255 (append_use): Likewise.
3256 (append_v_may_def): Likewise.
3257 (append_v_must_def): Likewise.
3258 (add_call_clobber_ops): Likewise.
3259 (add_call_read_ops): Likewise.
3260 (add_stmt_operand): Likewise.
3261 (add_virtual_operand): Likewise.
3262 (build_ssa_operands): Likewise.
3264 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3269 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3270 with a call expr to ...
3271 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3273 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3275 * tree-vrp.c (extract_range_from_assert): Remove special
3276 handling for types with super-types.
3278 2006-03-01 Ben Elliston <bje@au.ibm.com>
3280 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3281 and powerpc64-*-linux* configurations.
3282 * config/t-dfprules: New file.
3284 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3285 Compile dfp-bit.c from the source directory using -DWIDTH and
3286 $DFP_CFLAGS to control the compilation of that file, rather than
3287 generating width-specific versions in the build directory.
3288 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3289 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3291 2006-02-28 Zack Weinberg <zackw@panix.com>
3293 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3296 2006-02-28 Eric Christopher <echristo@apple.com>
3298 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3299 Set up IN_LIBGCC definition of TARGET_64BIT.
3300 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3302 2006-02-28 Roger Sayle <roger@eyesopen.com>
3305 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3306 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3307 cases via the construction of "expr != 0".
3309 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3311 * alias.c (alias_invariant, alias_invariant_size): Remove.
3312 (record_base_value): Remove.
3313 (memrefs_conflict_p): Don't look at alias_invariant.
3314 (end_alias_analysis): Don't free it.
3315 * alias.h (record_base_value): Remove prototype.
3317 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3318 Adam Nemet <anemet@caviumnetworks.com>
3320 * rtl.h (truncated_to_mode): Declare it.
3321 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3322 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3323 (RTL_HOOKS_INITIALIZER): Include it.
3324 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3325 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3326 reg_truncated_to_mode.
3327 * rtlanal.c (truncated_to_mode): Define it.
3328 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3330 2006-02-28 Jeff Law <law@redhat.com>
3332 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3333 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3334 the range allowed by TYPE_PRECISION.
3336 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3338 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3340 PR tree-optimization/26419
3341 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3344 2006-02-27 Zack Weinberg <zackw@panix.com>
3346 * doc/md.texi: Fix typo in previous change.
3348 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3352 2006-02-27 Zack Weinberg <zackw@panix.com>
3354 * rtl.def (define_constraint, define_register_constraint)
3355 (define_memory_constraint, define_address_constraint): New MD forms.
3356 * gensupport.c (process_rtx): Put define_constraint etc on the
3358 * genpreds.c (process_define_predicate): Adjust comment. Validate
3359 the name, and call validate_exp to validate the expression.
3360 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3361 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3362 all callers changed.
3363 (validate_exp, needs_variable, struct constraint_data)
3364 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3365 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3366 (const_dbl_constraints, constraint_max_namelen)
3367 (have_register_constraints, have_memory_constraints)
3368 (have_address_constraints, have_address_constraints)
3369 (have_extra_constraints, have_const_int_constraints)
3370 (have_const_dbl_constraints, mangle, add_constraint)
3371 (process_define_constraint, process_define_register_constraint)
3372 (write_enum_constraint_num, write_lookup_constraint)
3373 (write_insn_constraint_len, write_regclass_for_constraint)
3374 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3375 (write_insn_extra_memory_constraint)
3376 (write_insn_extra_address_constraint)
3377 (write_satisfies_constraint_fns): New.
3378 (write_tm_preds_h): If we have new-style constraint definitions,
3379 prototype the functions generated from them, and define the
3380 old constraint interface (still used by generic code) in terms of
3382 (write_insn_preds_c): If we have new-style constraint definitions,
3383 generate all relevant functions from those definitions.
3384 (main): Handle define_constraint etc.
3385 * genoutput.c (struct constraint_data, indep_constraints)
3386 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3387 (mdep_constraint_len): New data structures and functions, defined
3388 #ifdef USE_MD_CONSTRAINTS.
3389 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3390 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3391 use new logic to validate operand constraints against constraint
3393 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3395 * defaults.h: If none of the old-style constraint macros are
3396 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3397 old-style macros; and poison REG_CLASS_FROM_LETTER,
3398 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3400 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3401 * doc/md.texi: Document new constraint-definition mechanism and the
3402 C interface it provides. Remove references to old mechanism
3403 elsewhere in the document.
3404 (Machine Constraints): Use pathnames relative to gcc directory,
3405 i.e. config/ARCH/FILE. Change i386 section to refer to
3406 config/i386/predicates.md; update that section to match docstrings.
3407 * doc/tm.texi: Move all documentation of the old constraint-
3408 definition macros to their own section, clearly mark as obsolete.
3410 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3411 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3413 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3414 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3415 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3417 (splits and peepholes): Use satisfies_constraint_*.
3418 * config/i386/i386.c (memory_address_length)
3419 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3421 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3423 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3424 scalar operation to be put back into the loop.
3426 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3429 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3430 (extract_cie_info): Handle S flag in augmentation string.
3431 (execute_cfa_program): If context->signal_frame, execute also
3432 fs->pc == context->ra instructions.
3433 (uw_frame_state_for): If context->signal_frame, don't subtract one
3434 from context->ra to find FDE.
3435 (uw_update_context_1): Set context->signal_frame to
3437 (_Unwind_GetIPInfo): New function.
3438 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3439 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3441 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3442 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3443 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3444 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3445 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3446 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3447 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3448 x86_64_fallback_frame_state): Set fs->signal_frame.
3449 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3450 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3451 (frob_update_context): Likewise. Workaround missing S flag in
3452 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3453 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3454 Remove the psw_addr + 1 hack.
3456 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3458 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3459 with aggregates here.
3460 (find_func_aliases): Remove code for &<aggregate> from here.
3462 2006-02-26 Roger Sayle <roger@eyesopen.com>
3464 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3465 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3466 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3469 2006-02-26 Roger Sayle <roger@eyesopen.com>
3472 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3474 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3476 * opts.c (decode_options): Do not handle flag_strength_reduce.
3477 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3478 and OPT_fstrength_reduce.
3479 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3480 flag_prefetch_loop_arrays for being nonzero.
3481 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3483 (fprefetch-loop-arrays-rtl): Removed.
3484 (flag_prefetch_loop_arrays): Do not specify the value.
3486 * doc/passes.texi: Update documentation of loop optimizer
3488 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3489 -frerun-loop-opt): Remove.
3491 2006-02-26 Richard Guenther <rguenther@suse.de>
3493 PR tree-optimization/26421
3494 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3495 in function calls that are ADDR_EXPRs as using the whole structure.
3497 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3499 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3500 * tree-pass.h (pass_loop_optimize): Remove.
3501 * passes.c (pass_loop_optimize): Never run it.
3502 * toplev.c (backend_init): Don't call init_loop.
3503 * opts.c (flag_loop_optimize_set): Remove.
3504 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3505 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3506 the old RTL loop optimizer when profiling enabled.
3507 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3508 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3509 pre-headers for the sake of the old RTL loop optimizer.
3510 * Makefile.in: Remove all references to loop.o.
3512 * doc/invoke.texi: Remove all references to -floop-optimize
3513 and -frerun-loop-opt.
3515 2006-02-26 Zack Weinberg <zackw@panix.com>
3517 * doc/md.texi (Machine Constraints): Refer to all files with paths
3518 relative to gcc directory (i.e. config/CPU/file). Add missing
3519 @table @code ... @end table to M32C subsection.
3521 2006-02-26 Roger Sayle <roger@eyesopen.com>
3523 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3525 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3527 2006-02-26 Roger Sayle <roger@eyesopen.com>
3528 James A. Morrison <phython@gcc.gnu.org>
3531 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3532 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3533 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3534 signedness of the shift operation.
3536 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3538 PR tree-optimization/26359
3539 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3541 2006-02-25 Roger Sayle <roger@eyesopen.com>
3543 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3544 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3545 as X == 0, and some symmetry related transformations.
3546 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3548 2006-02-25 Roger Sayle <roger@eyesopen.com>
3551 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3552 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3553 symmetry related transformations. Fold (X^C1) == C2 as
3556 2006-02-25 Juergen Weigert <jw@suse.de>
3557 Richard Guenther <rguenther@suse.de>
3559 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3561 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3563 * combine.c (gen_lowpart_or_truncate): Call
3564 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3566 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3568 * doc/invoke.texi: Move -fopenmp description to "Options for
3570 Remove reference to -lgomp.
3572 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3574 * doc/install.texi: Require GNU tar version 1.14.
3576 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3578 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3579 * doc/invoke.texi (C++ Dialect Options): Document
3580 -fno-use-cxa-get-exception-ptr.
3581 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3582 * configure: Regenerate.
3583 * c.opt (fuse-cxa-get-exception-ptr): New.
3584 * c-opts.c (c_common_handle_option): Handle
3585 OPT_fuse_cxa_get_exception_ptr.
3586 * c-common.c (flag_use_cxa_atexit): Update documentation.
3587 (flag_use_cxa_get_exception_ptr): New.
3588 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3589 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3591 (C_COMMON_OVERRIDE_OPTIONS): New.
3593 2006-02-24 Roger Sayle <roger@eyesopen.com>
3596 * combine.c (try_combine): Explicitly check whether GET_CODE is
3597 a SET or a CLOBBER, instead on checking that it isn't a USE.
3599 2006-02-24 Roger Sayle <roger@eyesopen.com>
3601 * fold-const.c (fold_comparison): New subroutine of fold_binary
3602 containing transformations common to both the equality and
3603 ordering relational operators, factored out of fold_binary.
3604 (fold_binary): Separate out the equality operators (EQ_EXPR
3605 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3606 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3607 transformations common to both.
3608 (fold_div_compare): Fix latent bugs in the previously unreachable
3609 LT_EXPR and GE_EXPR cases.
3611 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3613 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3614 decl libname for clog to __clog on AIX.
3616 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3618 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3621 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3622 output traceback table for thunks. Localise rs6000_stack_info call.
3624 2006-02-23 Roger Sayle <roger@eyesopen.com>
3625 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3627 * gthr-posix.h (__gthrw): Fix typo in comment.
3629 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3631 * doc/cpp.texi (Character sets): Document that we do support
3632 input files to be in any character set.
3634 2006-02-23 Jeff Law <law@redhat.com>
3636 * tree.h (PHI_ARG_NONZERO): Remove.
3637 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3638 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3639 node to the new node.
3641 PR tree-optimization/26425
3642 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3643 min/max, then assume its varying.
3645 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3647 PR rtl-optimization/26316
3648 * rtlanal.c (enum may_trap_p_flags): New.
3649 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3650 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3651 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3652 (may_trap_after_code_motion_p): New function.
3653 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3654 (find_invariant_insn): Use may_trap_after_code_motion_p.
3655 * rtl.h (may_trap_after_code_motion_p): Declare.
3657 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3659 * emit-rtl.c (immed_double_const): Cleanup.
3661 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3663 Fix PR tree-optimization/26376
3664 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3667 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3670 * gimplify.c (omp_add_variable): Guard variable size decl test with
3671 DECL_SIZE (decl) check.
3673 2006-02-23 Richard Guenther <rguenther@suse.de>
3676 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3677 like aggregate types.
3679 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3681 * configure.ac: Add --with{,out}-long-double-128 configure option.
3682 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3683 * configure: Rebuilt.
3684 * config.in: Rebuilt.
3685 * doc/install.texi (Options specification): Document
3686 --with-long-double-128.
3688 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3689 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3690 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3691 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3693 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3695 * config/s390/s390.c (override_options): Handle
3696 TARGET_DEFAULT_LONG_DOUBLE_128.
3698 * config/alpha/alpha.c (override_options): Handle
3699 TARGET_DEFAULT_LONG_DOUBLE_128.
3701 * config/sparc/sparc.c (sparc_override_options): Handle
3702 TARGET_DEFAULT_LONG_DOUBLE_128.
3704 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3706 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3707 (real-install-headers-tar, real-install-headers-cpio)
3708 (real-install-headers-cp): New targets.
3710 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3712 * tree.h (variable_section): Delete.
3713 * varasm.c (variable_section): Delete.
3715 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3717 * install.texi: Add notes on install.texi2html.
3718 (Building in parallel): Do not use footnotes.
3720 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3723 * doc/install.texi (Configuration): Document --disable-libgomp.
3725 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3727 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3729 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3731 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3732 (vec_extractv2df_0_sse): New.
3734 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3736 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3737 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3738 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3739 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3740 to the result of the expression.
3741 (def_cfa_1): Adjust.
3742 (frame_pointer_cfa_offset): Rename to...
3743 (frame_pointer_fb_offset): ... this. Adjust all uses.
3744 (convert_cfa_to_loc_list): Rename to...
3745 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3746 Pass it on to build_cfa_loc.
3747 (compute_frame_pointer_to_cfa_displacement): Rename to...
3748 (compute_frame_pointer_to_fb_displacement): ... this. New
3749 offset parameter. Use it in computation.
3750 (gen_subprogram_die): Compute cfa_fb_offset with the new
3751 macro, and use it to compute the fb loc list and the
3754 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3756 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3757 replaced with register_operand.
3758 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3759 non-DREG is expensive.
3760 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3761 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3764 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3766 * doc/install.texi2html: Use set -e.
3768 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3770 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3771 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3772 * doc/invoke.texi (-fshared-data): Delete.
3773 * common.opt (fshared-data): Delete.
3774 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3775 (assemble_static_space): Remove #if 0 code.
3776 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3777 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3778 * config/cris/cris.h: Remove FIXME.
3780 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3782 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3785 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3788 * combine.c (simplify_shift_const_1): Disable nested shifts
3789 optimization for vector shifts.
3791 2006-02-20 Roger Sayle <roger@eyesopen.com>
3793 PR tree-optimization/26361
3794 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3795 of unsigned integer types.
3797 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3799 * tree-chrec.c (eq_evolutions_p): New.
3800 * tree-chrec.h (eq_evolutions_p): Declared.
3801 * tree-data-ref.c: Fix formatting.
3802 (datadep_stats, dependence_stats): New.
3804 (print_direction_vector): New.
3805 (dump_data_dependence_relation): Use print_direction_vector.
3806 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3807 (compute_subscript_distance): Static.
3808 (initialize_data_dependence_relation): Static. Get the number
3809 of loops surrounding the references from the callers, and initialize
3810 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3811 base_object_differ_p analyzers.
3812 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3813 compute_overlap_steps_for_affine_1_2,
3814 analyze_subscript_affine_affine): Count the classified dependences.
3815 Print a message when a test failed.
3816 (can_use_analyze_subscript_affine_affine): New.
3817 (analyze_siv_subscript): Compute the data dependences on symbolic
3818 scevs that verify can_use_analyze_subscript_affine_affine.
3819 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3820 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3821 Handle symbolic scevs.
3822 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3824 (subscript_dependence_tester): Moved...
3825 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3826 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3827 DDR_SIZE_VECT instead of getting it in parameter.
3828 (subscript_dependence_tester): ... here. Take as a parameter
3829 loop_nest_depth. Call build_classic_dist_vector and
3830 build_classic_dir_vector.
3831 (compute_affine_dependence): Update subscript_dependence_tester
3832 parameters. Update datadep_stats counters. Call
3833 compute_subscript_distance.
3834 (compute_self_dependence): Save the dist and dir vectors. Call
3835 compute_subscript_distance.
3836 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3837 (compute_all_dependences): Reorder parameters as they were before
3838 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3839 compute_subscript_distance. Update the use of
3840 compute_affine_dependence and initialize_data_dependence_relation.
3841 (find_data_references_in_loop): Handle COMPONENT_REF.
3842 (compute_data_dependences_for_loop): Initialize dependence_stats.
3843 Don't call build_classic_dist_vector and build_classic_dir_vector.
3844 Update the parameters of initialize_data_dependence_relation and
3845 compute_all_dependences. Print the statistics from datadep_stats.
3846 (analyze_all_data_dependences): Static. Not used until the pass for
3847 checking the data dependences is contributed.
3848 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3849 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3850 (initialize_data_dependence_relation, compute_affine_dependence,
3851 analyze_all_data_dependences, compute_subscript_distance): Removed.
3852 (print_direction_vector): New.
3853 * lambda.h (gcd): ... here.
3854 (lambda_vector_gcd): Moved here from gcd_vector.
3855 * lambda-code.c (gcd, gcd_vector): Removed.
3856 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3857 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3859 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3861 * ipa-type-escape.c: Tidy some comments and white space.
3862 * tree-ssa-operands.c: Likewise.
3864 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3867 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3868 (dump_decl_name): Do not walk the decl tree chains.
3869 * tree-pass.h (TDF_CHAIN): Remove.
3871 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3873 * Makefile.in (C): Remove
3875 (.PHONY): Remove C and PROTO
3877 2006-02-20 Roger Sayle <roger@eyesopen.com>
3880 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3881 deprecated CHAR_TYPE tree code.
3883 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3885 * configure.ac (target_list): Add install-info, dvi, html.
3886 * configure: Regenerate.
3888 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3889 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3890 treelang/Make-lang.in: Do not use double-colon rules.
3892 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3894 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3895 (TMT_USED_ALONE): New macro.
3896 * tree-pass.h (PROP_tmt_usage): New property.
3897 (TODO_update_tmt_usage): New todo.
3898 * tree-ssa-alias.c (updating_used_alone): New variable.
3899 (recalculate_used_alone): New function.
3900 (compute_may_aliases): Set updating_used_alone, call
3901 recalculate_used_alone.
3902 * tree-sra.c (pass_sra): Note that this pass destroys
3903 PROP_tmt_usage, and add TODO_update_tmt_usage.
3904 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3905 * tree-flow.h (updating_used_alone): Prototype.
3906 (recalculate_used_alone): Ditto.
3907 * passes.c (execute_todo): Add code to set updating_used_alone,
3908 and call recalculate.
3909 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3910 for clobber if used alone, and add assert to verify used_alone
3913 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3915 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3916 for non tls symbols added.
3917 (legitimize_address): Do nothing for PLUS expressions if one of the
3918 addends is a tls symbol reference.
3920 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3924 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3926 * Makefile.in (BOOTSTRAPPING): New.
3927 (quickstrap): New definition if BOOTSTRAPPING=yes.
3929 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3930 * configure.ac: Substitute all_selected_languages with the languages
3931 that were configured. For all the other variables except
3932 lang_specs_files, include all the languages in the tree.
3933 * configure: Regenerate.
3935 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3936 if there is one. Run the commands to run fixincludes in the same
3939 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3940 * doc/install.texi: Document exact conventions for searching target tools.
3941 Document --with-build-time-tools. Document toplevel bootstrap. Document
3942 something more about building an Ada cross-compiler. Don't list GNU Make
3943 requirements which affect all platforms.
3945 2006-02-19 Roger Sayle <roger@eyesopen.com>
3948 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3949 only equivalent if the have both the same mode and precision.
3951 2006-02-20 Ben Elliston <bje@au.ibm.com>
3953 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3955 2006-02-19 Roger Sayle <roger@eyesopen.com>
3956 Steven Bosscher <stevenb.gcc@gmail.com>
3958 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3959 constant pool references to identify stack mode constants.
3960 * rtlanal.c (constant_pool_constant_p): New predicate to check
3961 whether operand is a floating point constant in the pool.
3962 * rtl.h (constant_pool_constant_p): Prototype here.
3963 * loop.c (scan_loop): Avoid hoisting constants from the constant
3964 pool on STACK_REGS targets.
3965 (load_mems): Likewise.
3966 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3967 loads into x87 registers expensive in terms of register pressure.
3969 2006-02-19 Roger Sayle <roger@eyesopen.com>
3971 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3972 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3974 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3976 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3977 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3979 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3981 * doc/invoke.texi: Document -fipa-pta.
3982 * common.opt: Add ipa-pta option.
3983 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3984 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3985 (do_ds_constraint): Ditto.
3986 (get_constraint_for): Only add to referenced_vars if
3987 referenced_vars exists.
3988 (insert_into_field_list): Rewrite to do this unsorted.
3989 (insert_into_field_list_sorted): Rename old insert_into_field_list
3991 (create_function_info_for): Use insert_into_field_list_sorted.
3992 (create_variable_info_for): Rewrite so it uses unsorted version,
3993 since the field list is sorted.
3994 (intra_create_variable_infos): Only add to referenced_vars if
3995 referenced_vars exists.
3996 (ipa_pta_execute): Init heapvars, and delete when done.
3997 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3999 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4001 * doc/install.texi: Add missing `@samp'.
4003 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4005 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4008 2006-02-18 Mark Wielaard <mark@klomp.org>
4010 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4011 who added new 4.1 features, bug fixes and integration support.
4013 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4016 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4019 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4021 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4022 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4023 (copy_insn_1): Likewise. Don't copy each field individually.
4025 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4027 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4028 * rtl.c (rtx_size): Rename variable to...
4029 (rtx_code_size): ...this.
4030 (rtx_size): New function.
4031 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4032 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4034 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4035 * rtl.h (rtx_code_size): New variable.
4036 (rtx_size): Change from a variable to a function.
4037 (RTX_SIZE): Rename to...
4038 (RTX_CODE_SIZE): ...this.
4041 PR tree-optimization/17106
4042 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4043 (Anchored Addresses): New section.
4044 * doc/invoke.texi (-fsection-anchors): Document.
4045 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4046 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4047 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4048 * hooks.c (hook_bool_mode_rtx_false): New function.
4049 * hooks.h (hook_bool_mode_rtx_false): Declare.
4050 * gengtype.c (create_optional_field): New function.
4051 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4052 SYMBOL_REF_IN_BLOCK_P is true.
4053 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4054 (min_anchor_offset, max_anchor_offset): Likewise.
4055 (use_anchors_for_symbol_p): New hook.
4056 * toplev.c (compile_file): Call output_object_blocks.
4057 (target_supports_section_anchors_p): New function.
4058 (process_options): Check that -fsection-anchors is only used on
4059 targets that support it and when -funit-at-a-time is in effect.
4060 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4061 if the decl doesn't have one.
4062 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4063 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4064 of force_const_mem through use_anchored_address.
4065 (expand_expr_constant): New function.
4066 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4067 calling expand_expr for INDIRECT_REF.
4068 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4069 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4070 * expr.h (use_anchored_address): Declare.
4071 * loop-unroll.c: Don't declare rtx vectors here.
4072 * explow.c: Include output.h.
4073 (validize_mem): Call use_anchored_address.
4074 (use_anchored_address): New function.
4075 * common.opt (-fsection-anchors): New switch.
4076 * varasm.c (object_block_htab, anchor_labelno): New variables.
4077 (hash_section, object_block_entry_eq, object_block_entry_hash)
4078 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4079 (use_blocks_for_decl_p, change_symbol_section): New functions.
4080 (get_variable_section): New function, split out from assemble_variable.
4081 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4082 use_blocks_for_decl_p say so. Use change_symbol_section if the
4083 symbol has already been created.
4084 (assemble_variable_contents): New function, split out from...
4085 (assemble_variable): ...here. Don't output any code for
4086 block symbols; just pass them to place_block_symbol.
4087 Use get_variable_section and assemble_variable_contents.
4088 (get_constant_alignment, get_constant_section, get_constant_size): New
4089 functions, split from output_constant_def_contents.
4090 (build_constant_desc): Create a block symbol if use_object_blocks_p
4091 says so. Or into SYMBOL_REF_FLAGS.
4092 (assemble_constant_contents): New function, split from...
4093 (output_constant_def_contents): ...here. Don't output any code
4094 for block symbols; just pass them to place_section_symbol.
4095 Use get_constant_section and get_constant_alignment.
4096 (force_const_mem): Create a block symbol if use_object_blocks_p and
4097 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4098 (output_constant_pool_1): Add an explicit alignment argument.
4099 Don't switch sections here.
4100 (output_constant_pool): Adjust call to output_constant_pool_1.
4101 Switch sections here instead. Don't output anything for block symbols;
4102 just pass them to place_block_symbol.
4103 (init_varasm_once): Initialize object_block_htab.
4104 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4105 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4106 (place_block_symbol, get_section_anchor, output_object_block)
4107 (output_object_block_htab, output_object_blocks): New functions.
4108 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4109 (TARGET_ASM_OUT): Include it.
4110 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4111 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4112 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4113 (TARGET_INITIALIZER): Include them.
4114 * rtl.c (rtl_check_failed_block_symbol): New function.
4115 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4116 (block_symbol, object_block): New structures.
4117 (rtx_def): Add a block_symbol field to the union.
4118 (BLOCK_SYMBOL_CHECK): New macro.
4119 (rtl_check_failed_block_symbol): Declare.
4120 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4121 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4122 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4123 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4124 * output.h (output_section_symbols): Declare.
4125 (object_block): Name structure.
4126 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4127 (default_use_anchors_for_symbol_p): Declare.
4128 * Makefile.in (RTL_BASE_H): Add vec.h.
4129 (explow.o): Depend on output.h.
4130 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4131 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4132 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4133 (rs6000_use_blocks_for_constant_p): New function.
4135 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4137 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4139 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4142 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4145 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4147 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4151 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4154 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4155 instead of DECL_REGISTER.
4157 2006-02-18 Olivier Hainque <hainque@adacore.com>
4160 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4162 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4165 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4166 * opth-gen.awk: Handle Var and InverseMask together.
4167 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4168 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4169 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4170 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4172 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4173 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4174 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4175 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4176 LINUX_DYNAMIC_LINKER): Define.
4177 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4178 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4180 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4181 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4182 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4184 (TARGET_C99_FUNCTIONS): Don't define.
4185 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4186 GLIBC_DYNAMIC_LINKER.
4187 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4188 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4189 GLIBC_DYNAMIC_LINKER64): Define.
4190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4191 LINUX_DYNAMIC_LINKER64.
4192 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4193 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4194 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4195 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4196 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4197 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4198 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4199 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4200 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4201 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4202 and LINUX_DYNAMIC_LINKER32.
4203 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4205 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4206 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4207 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4209 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4210 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4211 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4212 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4213 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4214 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4215 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4216 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4217 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4218 LINUX_DYNAMIC_LINKER): Define.
4219 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4220 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4221 GLIBC_DYNAMIC_LINKER64): Define.
4222 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4223 LINUX_DYNAMIC_LINKER64.
4224 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4225 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4226 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4227 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4228 LINUX_DYNAMIC_LINKER): Define.
4229 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4230 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4231 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4232 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4233 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4234 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4235 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4236 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4237 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4238 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4239 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4240 * doc/invoke.texi (-muclibc): Remove caveat about supported
4243 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4245 * doc/cpp.texi (__TIMESTAMP__): Document.
4247 2006-02-17 Roger Sayle <roger@eyesopen.com>
4250 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4251 C is one less than the width of X (and related transformations).
4252 * simplify-rtx.c (simplify_unary_operation_1): Transform
4253 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4254 depending on STORE_FLAG_VALUE, were C is one less then the
4257 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4259 Fix PR tree-optimization/26341
4260 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4261 about NAME_MEMORY_TAG's.
4263 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4266 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4267 with hardware float support, and software float support. Add fcpy
4268 alternative to hardware patterns. Add alternatives to copy between
4269 general and floating-point registers to the 32-bit pattern.
4270 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4271 secondary reload to load a QI or HI mode constant into a floating
4273 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4274 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4276 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4279 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4281 (load_macho_picbase_di): Likewise.
4283 2006-02-16 Jeff Law <law@redhat.com>
4285 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4286 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4287 (ssa_name_nonzero_p): Likewise.
4288 (get_value_range): Return NULL if VRP is not running.
4289 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4290 VRP routines do not discover a range.
4291 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4292 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4293 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4294 (tree_expr_nonnegative_p): Similarly.
4295 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4296 (restore_nonzero_vars_to_original_value): Remove.
4297 (unsafe_associative_fp_binop): Remove.
4298 (tree_ssa_dominator_optimize): Remove initialization and
4299 finalization of nonzero_vars and nonzero_vars_stack.
4300 (dom_opt_initialize_block): No longer push marker on
4302 (dom_opt_finalize_block): No longer call
4303 restore_nonzero_vars_to_original_value.
4304 (record_equivalences_from_phis): No longer look for
4305 nonzero PHI arguments.
4306 (cprop_into_successor_phis): No longer propagate nonzero
4307 property into PHI arguments. Lose unused argument. Caller
4309 (record_equivalences_from_stmt): No longer record nonzero
4310 values for SSA_NAMEs.
4311 (lookup_avail_expr): No longer use nonzero_vars.
4313 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4314 for sizetype when sizetype is unsigned.
4316 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4318 PR rtl-optimization/25603
4319 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4320 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4321 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4322 with new meaning of SETS.
4324 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4329 * config/linux.opt: New file.
4330 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4331 LINUX_DYNAMIC_LINKER): Define.
4332 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4333 * config.gcc (*-*-linux*): Define extra_options.
4334 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4335 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4336 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4337 GLIBC_DYNAMIC_LINKER.
4338 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4339 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4340 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4342 * doc/invoke.texi (GNU/Linux Options): New section.
4344 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4346 * config/sparc/sparc.md (setjmp): Rewrite.
4347 (setjmp_32): Delete.
4348 (setjmp_64): Likewise.
4350 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4352 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4355 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4357 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4360 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4362 PR rtl-optimization/26296
4363 * Makefile.in (loop-invariant.c): Add except.h dependency.
4364 * loop-invariant.c: Include except.h.
4365 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4367 2005-02-16 Paul Brook <paul@codesourcery.com>
4369 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4372 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4374 PR rtl-optimization/25636
4375 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4376 when deciding whether an insn is an initializing insn.
4378 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4380 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4381 (tree_code_size): Ditto.
4382 * tree.h (struct tree_memory_tag): Remove parent_var.
4383 (struct tree_struct_field_tag): New.
4386 (union tree_node): Add sft member.
4387 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4389 (create_sft): Add size and offset argument, set SFT_OFFSET and
4391 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4392 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4393 * tree-flow-inline.h (get_subvar_at): Update for
4394 SFT_OFFSET/SFT_SIZE.
4395 (var_can_have_subvars): Ditto.
4396 (overlap_subvar): Ditto.
4397 * print-tree.c (print_node): Print out interesting things for
4399 * tree-flow.h (struct subvar): Remove offset and size members.
4400 * tree-ssa-operands.c (get_expr_operands): Update for
4401 get_indirect_ref_operands changes.
4402 (get_indirect_ref_operands): Call add_virtual_operand instead of
4403 add_stmt_operand. Only recurse on base var if requested.
4404 (access_can_touch_variable): New function.
4405 (add_stmt_operand): Split virtual operand handling into ...
4406 (add_virtual_operand): Here. Add offset, size, and for_clobber
4407 arguments. Prune alias sets.
4408 (add_call_clobber_ops): Call add_virtual_operand.
4410 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4413 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4415 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4416 than TREE_CODE as index into omp_clause_num_ops array.
4418 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4420 PR rtl-optimization/26184
4421 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4423 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4424 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4425 must_precede, must_follow and tobe_scheduled.
4428 * opts.c (common_handle_option): Free new_option pointer.
4429 * df-core.c (df_analyze): Free postorder pointer.
4431 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4433 * Makefile.in: Fix the examples about the use of stamps
4435 2006-02-15 Michael Matz <matz@suse.de>
4439 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4440 influenced by maximum_field_alignment or DECL_PACKED.
4441 (update_alignment_for_field): Ditto.
4442 (place_field): Ditto.
4443 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4446 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4448 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4449 (debug_flow_info): Pass it.
4450 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4451 * bb-reorder.c (reorder_basic_blocks): Likewise.
4452 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4453 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4454 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4455 * gcse.c (gcse_main, bypass_jumps): Likewise.
4456 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4457 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4458 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4459 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4460 * rtl.h (dump_flow_info): Adjust prototype.
4461 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4462 * var-tracking.c (variable_tracking_main): Likewise.
4463 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4464 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4467 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4469 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4472 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4474 PR tree-optimization/26209
4475 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4476 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4478 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4480 2006-02-14 Roger Sayle <roger@eyesopen.com>
4483 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4484 (X,Y) and the corresponding symmetry related transformations.
4485 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4486 (X,Y) and its symmetry related transformations.
4488 2006-02-14 Roger Sayle <roger@eyesopen.com>
4490 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4493 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4495 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4497 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4500 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4501 support COMDAT group.
4502 * configure: Regenerate.
4504 2006-02-14 Roger Sayle <roger@eyesopen.com>
4509 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4511 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4513 Fix PR tree-optimization/26260
4515 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4517 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4518 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4519 * tree-ssa-structalias.c (create_variable_info_for): Use
4520 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4522 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4524 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4526 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4527 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4528 of the ending condition.
4529 * tree-ssa-loop-manip.c: Include params.h.
4530 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4531 tree_unroll_loop): New functions.
4532 * tree-pass.h (pass_loop_prefetch): Declare.
4533 * loop.c (rest_of_handle_loop_optimize): Test for
4534 -fprefetch-loop-arrays-rtl.
4535 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4536 * timevar.def (TV_TREE_PREFETCH): New timevar.
4537 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4538 pass_loop_prefetch): New.
4539 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4540 (cleanup_tree_cfg_loop): Call scev_reset.
4541 * common.opt (fprefetch-loop-arrays-rtl): Add.
4542 * tree-ssa-loop-prefetch.c: New file.
4543 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4544 (new_temp_expr_table): Initialize expr_vars.
4545 (free_temp_expr_table): Cleanup expr_vars.
4546 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4547 expressions from being merged into one.
4548 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4549 (struct tree_niter_desc): Add control, bound and cmp fields.
4550 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4552 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4553 (tree-cfgcleanup.o): Add SCEV_H dependency.
4554 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4555 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4557 2006-02-14 Richard Guenther <rguenther@suse.de>
4559 PR tree-optimization/26258
4560 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4561 in PHI argument processing.
4563 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4565 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4566 new expression in the requested machine mode.
4568 2006-02-13 Roger Sayle <roger@eyesopen.com>
4570 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4571 directly, instead let do_compare_rtx_and_jump handle this for us.
4572 * expr.c (expand_expr_real_1): Likewise.
4573 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4574 before do_jump_by_parts_greater.
4575 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4576 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4578 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4580 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4582 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4584 PR rtl-optimization/26235
4585 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4586 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4589 2006-02-13 Jeff Law <law@redhat.com>
4591 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4594 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4597 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4598 twice if decl is a builtin. When trying again, call get_callee_fndecl
4599 first to verify it is still a builtin.
4601 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4603 * dwarf2out.c (base_type_die): Don't add AT_name here.
4604 (subrange_type_die): Don't add AT_name here.
4605 (modified_type_die): Rearrange code flow. Do add AT_name here.
4607 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4609 PR rtl-optimization/26247
4610 PR rtl-optimization/26248
4611 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4613 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4615 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4616 * config/fixtfdi.c: Likewise.
4617 * config/fixunstfdi.c: Likewise.
4618 * config/floatditf.c: Likewise.
4620 2006-02-13 Roger Sayle <roger@eyesopen.com>
4623 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4624 into (X,C2) if C1 is a subset of the bits of C2. Transform
4625 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4627 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4629 2006-02-13 Josh Conner <jconner@apple.com>
4632 * varasm.c (function_section): Check for section name before
4633 calling select_section on targets that define
4634 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4635 unlikely_text_section instead of hot_function_section if
4636 first_function_block_is_cold.
4638 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4641 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4643 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4645 PR rtl-optimization/26222
4646 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4647 after tree->rtl expansion.
4648 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4649 before passing it to emit_move_insn.
4651 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4653 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4655 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4656 Clarify documentation.
4657 * c-common.h (warn_write_strings): Remove.
4658 * c-common.c (warn_write_strings): Likewise.
4659 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4662 2006-02-12 Roger Sayle <roger@eyesopen.com>
4665 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4666 (do_jump_parts_zero_rtx): New function renamed from
4667 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4668 (do_jump_parts_equality_rtx): New function split out from
4669 do_jump_parts_equality. Old implementation renamed as above.
4670 Call do_jump_parts_zero_rtx if either operand is zero.
4671 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4672 do all of the heavy lifting.
4673 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4674 calling either do_jump_by_parts_greater_rtx or
4675 do_jump_by_parts_equality_rtx.
4676 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4677 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4678 moved to do_compare_rtx_and_jump, call it directly.
4679 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4680 mode argument. Call do_compare_rtx_and_jump.
4681 (emit_case_nodes): Update calls to do_jump_if_equal.
4683 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4685 PR rtl-optimization/26225
4686 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4688 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4690 PR rtl-optimization/26232
4691 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4693 2006-02-11 Jason Merrill <jason@redhat.com>
4696 * tree-inline.c (declare_return_variable): Just don't use the
4697 modify target if it's a gimple complex reg and the return slot
4700 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4702 * doc/contrib.texi: Update my entry.
4704 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4706 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4708 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4710 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4713 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4715 * doc/invoke.texi (-floop-optimize2): Removed.
4716 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4717 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4718 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4719 * common.opt (floop-optimize2): Removed.
4720 (fmove-loop-invariants): Enabled by default.
4722 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4724 * tree-if-conv.c (combine_blocks): Free the result of
4725 get_loop_exit_edges.
4727 2006-02-10 Jeff Law <law@redhat.com>
4729 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4731 PR tree-optimization/26213
4732 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4733 loop trying to follow SSA_NAME_VALUE chains.
4735 2006-02-10 Richard Guenther <rguenther@suse.de>
4737 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4738 deal with structures that end in implicitly variable sized arrays.
4740 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4742 PR rtl-optimization/24762
4743 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4746 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4748 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4749 (struct ivopts_data): Add regs_used field.
4750 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4751 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4752 instead of loop_data->regs_used;
4753 (free_loop_data): Do not free aux fields for loops.
4754 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4755 and tree_ssa_iv_optimize_finalize.
4757 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4759 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4761 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4764 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4765 computing the effective result type.
4767 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4770 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4771 (tree_overlaps_hard_reg_set): Declare.
4772 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4773 type and signature to match function type expected by walk_tree.
4774 (tree_overlaps_hard_reg_set): New function.
4775 (decl_conflicts_with_clobbers_p): Rename to:
4776 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4777 Use tree_overlaps_hard_reg_set. Changed caller.
4778 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4779 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4780 * cris.c (cris_md_asm_clobbers): Likewise.
4782 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4784 * reload1.c (emit_input_reload_insns): Delete code that tries to
4785 inherit using find_equiv_reg.
4787 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4789 * c-common.h (flag_const_strings): Don't declare.
4790 * c-common.c (flag_const_strings): Remove.
4791 * c.opt (fconst_strings): Remove.
4792 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4793 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4794 (c_common_init_options): Don't set flag_const_strings.
4795 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4797 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4799 * arm.md (tlobits_cbranch): New pattern.
4800 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4801 testing a single bit.
4803 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4806 * tree-ssa-pre.c (create_component_ref_by_pieces):
4807 Handle RETURN_DECL like VAR_DECL.
4809 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4812 * fold-const.c (fold_indirect_ref_1): Fold
4813 "*(foo *)&complexfoo" to "__real__ complexfoo"
4814 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4816 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4818 * tree-flow-inline.h (var_can_have_subvars):
4819 Volatile variables should not have subvariables.
4821 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4824 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4825 multiplying unsigned values.
4828 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4830 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4832 2006-02-08 Jason Merrill <jason@redhat.com>
4835 * tree.def: Elaborate on difference from MODIFY_EXPR.
4836 * doc/c-tree.texi (INIT_EXPR): Likewise.
4837 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4838 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4839 (gimplify_target_expr): Likewise.
4840 (gimplify_cond_expr): Remove target handling.
4841 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4842 (gimplify_expr): Clobber it here.
4843 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4844 Do return slot optimization if we have an INIT_EXPR.
4847 * tree-inline.c (declare_return_variable): Also clear
4848 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4851 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4854 * gimplify.c (gimplify_one_sizepos): Fix typo.
4856 2006-02-08 Jeff Law <law@redhat.com>
4858 PR tree-optimization/21417
4859 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4860 across a backedge if the control statement at the end of the
4861 block is data dependent on other statements in the same block.
4862 (record_temporary_equivalences_from_stmts): Remove over-conservative
4863 test for threading across backedges.
4865 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4866 control statement, handle all three special cases in the same
4867 manner as they all have the same desired solution. No longer
4868 special case edge flag updating when the post dominator is
4871 2006-02-08 Roger Sayle <roger@eyesopen.com>
4873 * tree.def (CHAR_TYPE): Remove.
4874 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4875 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4876 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4877 (gen_string_type_die): Delete unreachable function.
4879 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4880 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4881 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4882 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4883 * builtins.c (type_to_class): Likewise.
4884 * fold-const.c (fold_convert, build_range_check,
4885 merge_ranges): Likewise.
4886 * expr.c (count_type_elements): Likewise.
4887 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4888 * stor-layout.c (layout_type): Likewise.
4889 * ipa-type-escape.c (type_to_consider): Likewise.
4890 * gimplify.c (omp_firstprivatize_type_sizes,
4891 gimplify_type_sizes): Likewise.
4892 * explow.c (promote_mode): Likewise.
4893 * tree-sra.c (is_sra_scalar_type): Likewise.
4894 * varasm.c (output_constant): Likewise.
4895 * tree-inline.c (remap_type_1): Likewise.
4896 * convert.c (convert_to_pointer, convert_to_real,
4897 convert_to_integer, convert_to_complex): Likewise.
4899 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4901 * df-scan.c (df_def_record_1): A set destination may
4902 be a parallel regardless of mode.
4904 2006-02-08 Roger Sayle <roger@eyesopen.com>
4907 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4908 * config/mips/_tilib.c: Remove.
4909 * config/fixtfdi.c: New libgcc source file.
4910 * config/fixunstfdi.c: New source file.
4911 * config/floatditf.c: New source file.
4912 * config/floatunditf.c: New souce file.
4913 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4914 files above instead of config/mips/_tilib.c.
4915 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4917 2006-02-08 Jeff Law <law@redhat.com>
4919 PR tree-optimization/26169
4920 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4923 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4925 * df.h (DF_REG_SIZE): Return the length of the initialized
4928 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4930 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4931 __muldf3): Return a correctly signed zero.
4933 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4935 * passes.c (register_one_dump_file): Accept the current properties
4936 instead of pass number. Adjust call to dump_register. Remove
4938 (register_dump_files): Now a wrapper around...
4939 (register_dump_files_1): ... this one. Do not modify the pass
4941 (next_pass_1): Cosmetic fix.
4942 (execute_todo): Keep second parameter only. Use curr_properties
4943 instead of fetching it from the pass structure. Check and set
4945 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4946 instead of fetching it from the pass structure. Fix calls to
4947 execute_todo. Update curr_properties and initialize .vcg RTL dump
4948 after running the pass. Reset last_verified.
4949 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4951 (FIRST_AUTO_NUMBERED_DUMP): New.
4952 (dump_register): Remove "num" parameter, assign it within the
4954 (get_dump_file_name): Modify template for dumps.
4955 * tree-dump.h (dump_register): Adjust prototype.
4956 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4957 (PROP_trees): Add PROP_gimple_lomp.
4958 (TODO_set_props): New.
4959 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4960 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4961 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4963 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4965 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4966 (sparc64-*-linux*): Likewise.
4967 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4968 * config/sparc/t-linux: New file.
4969 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4970 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4971 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4972 -m32 -mlong-double-128.
4974 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4975 * config/alpha/t-linux: New file.
4976 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4978 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4979 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4980 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4981 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4982 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4983 (CPP_ARCH32_SPEC): Remove.
4985 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4987 PR tree-optimization/26145
4988 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4991 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4994 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4995 >= 240000 when generating code for SOM runtime.
4996 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4997 to $$dyncall when generating code for SOM runtime..
4999 2006-02-07 Dirk Mueller <dmueller@suse.com>
5002 * doc/invoke.texi (-Wsequence-point): Update documentation
5003 that -Wsequence-point is implemented for C++ as well.
5005 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5007 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5008 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5009 (LIB_SPEC): Likewise.
5010 * doc/invoke.texi (SPARC options): Document -pthread.
5012 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5014 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5017 2006-02-07 Roger Sayle <roger@eyesopen.com>
5019 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5020 Correct comment describing BOOLEAN_TYPE.
5022 2006-02-07 Dirk Mueller <dmueller@suse.com>
5024 * c.opt: C++ frontend supports -Wdiv-by-zero.
5025 * c-opts.c (c_common_handle_option): Remove dead case.
5027 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5029 * configure.ac (TLS assembler check): Do not enable TLS by
5030 default on SPARC/Solaris before version 10.
5031 * configure: Regenerate.
5033 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5035 * doc/invoke.texi (xl-compat): Document conversion and support
5038 2006-02-07 Jeff Law <law@redhat.com>
5040 * tree-vrp.c (find_conditional_asserts): Update comments.
5041 (simplify_stmt_for_jump_threading): New.
5042 (identify_jump_threads, finalize_jump_threads): New.
5043 (vrp_finalize): Call identify_jump_threads.
5044 (execute_vrp): Call finalize_jump_threads.
5045 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5046 (vrp_element, vrp_data, vrp_element_p): Remove.
5047 (vrp_hash_elt, vrp_variables_stack): Remove.
5048 (vrp_hash, vrp_eq, record_range): Remove.
5049 (simplify_cond_and_lookup_avail_expr): Remove.
5050 (extract_range_from_cond): Remove.
5051 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5052 (simplify_stmt_for_jump_threading): New.
5053 (dom_thread_across_edge): New wrapper.
5054 (tree_ssa_dominator_optimize): No longer initialize or
5055 finalize any of the VRP datastructures. Remove iteration
5056 step and simplify as a result of removal of iteration step.
5057 (pass_dominator): Perform a cfg cleanup after DOM.
5058 (dom_opt_finalize_block): Use the new common routines
5059 for threading jumps. Simplify stack management slightly.
5060 No longer need to unwind VRP state.
5061 (record_equivalences_from_incoming_edge): No longer record
5063 (eliminate_redundant_computations): No longer call
5064 simplify_cond_and_lookup_avail_expr.
5065 * tree-flow.h (potentially_threadable_block): Prototype.
5066 (thread_across_edge): Likewise.
5067 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5068 (tree-ssa-threadedge.o): Add dependencies.
5069 * tree-ssa-threadedge.c: New file.
5070 * passes.c (init_optimization_passes): Merge PHIs before
5071 calling VRP. Run VRP again late in the SSA optimization pipeline.
5073 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5075 * df-core.c (df_set_blocks): Do not dereference function pointers.
5076 (df_finish1): Likewise.
5077 (df_hybrid_search_forward): Likewise.
5078 (df_hybrid_search_backward): Likewise.
5079 (df_iterative_dataflow): Likewise.
5080 (df_analyze_problem): Likewise.
5081 (df_compact_blocks): Likewise.
5082 (df_dump): Likewise.
5083 * df-scan.c (df_rescan_blocks): Likewise.
5084 (df_record_entry_block_defs): Likewise.
5086 * genconditions.c (write_conditions): Guard the definition of
5087 'insn_conditions' with the check on GCC version.
5088 (write_writer): Guard the traversal 'insn_conditions' with
5089 the check on GCC version.
5091 2006-02-07 Richard Guenther <rguenther@suse.de>
5095 2006-01-30 Richard Guenther <rguenther@suse.de>
5097 * gimplify.c (gimplify_target_expr): Handle easy cases
5098 without creating a temporary.
5100 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5102 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5103 use of float in probability computations. Use edge probabilities
5104 in place of statically computed probabilities.
5105 (min_spec_prob): New static variable.
5106 (schedule_insns): Initialize it.
5107 (GET_SRC_PROB): Removed.
5108 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5110 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5113 * config/ia64/unwind-ia64.c: Revert last change.
5114 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5115 (INCOMING_FRAME_SP_OFFSET): Define.
5117 2006-02-06 Roger Sayle <roger@eyesopen.com>
5119 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5121 2006-02-07 Ben Elliston <bje@au.ibm.com>
5123 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5124 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5125 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5126 (ix86_return_in_memory): Handle TDmode.
5127 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5128 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5130 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5132 * reorg.c (dbr_schedule): Use dump_file instead of file.
5134 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5137 * config/ia64/predicates.md (extr_len_operand): New predicate.
5138 * config/ia64/ia64.md (extv): Tighten constraints.
5140 (*tbit_and_2): Ditto.
5141 (*tbit_and_3): Ditto.
5142 (*tbit_or_2): Ditto.
5143 (*tbit_or_3): Ditto.
5147 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5150 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5152 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5154 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5155 loop_optimizer_init and loop_optimizer_finalize
5156 * tree-ssa-sink.c (execute_sink_code): Ditto.
5157 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5158 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5159 tree_ssa_loop_done): Ditto.
5160 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5161 * sched-ebb.c: Include output.h.
5162 (schedule_ebbs): Do not use dump argument.
5163 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5164 * loop.c (loop_dump_stream): Removed.
5165 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5167 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5168 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5169 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5170 loop_iterations, strength_reduce, record_biv, record_giv,
5171 final_giv_value, check_final_value, check_ext_dependent_givs,
5172 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5173 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5174 dump_file instead of loop_dump_stream.
5175 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5177 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5179 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5180 * haifa-sched.c: Include output.h
5181 (schedule_insns, sched_init): Do not use dump argument.
5182 * mode-switching.c (optimize_mode_switching): Ditto.
5183 * modulo-sched.c (stats_file): Removed.
5184 (print_node_sched_params): Do not call argument dump_file.
5185 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5186 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5188 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5190 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5191 rtl_loop_init, rtl_loop_done): Ditto.
5192 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5193 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5195 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5196 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5197 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5198 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5199 * emit-rtl.c (renumber_insns): Ditto.
5200 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5201 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5202 * regclass.c (regclass): Ditto.
5203 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5204 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5205 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5206 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5208 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5209 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5211 * gcse.c (gcse_file, debug_stderr): Removed.
5212 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5213 rest_of_handle_gcse): Do not use dump argument.
5214 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5215 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5216 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5217 compute_code_hoist_vbeinout, compute_code_hoist_data,
5218 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5219 compute_store_table, build_store_vectors, insert_insn_start_bb,
5220 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5221 store_motion): Use dump_file instead of gcse_file.
5222 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5223 * profile.c (profile_dump_file): Removed.
5224 (branch_prob): Use dump_file instead of profile_dump_file.
5225 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5227 * tree-ssa-copy.c (dump_copy_of): Ditto.
5228 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5229 dump file to life_analysis.
5230 * bt-load.c (branch_target_load_optimize): Ditto.
5231 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5233 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5234 regclass, dbr_schedule): Declaration changed.
5235 * sched-int.h (sched_init): Declaration changed.
5236 * tree-profile.c (tree_profile_dump_file): Removed.
5237 (tree_profile_hooks): Removed profile_dump_file hook.
5238 * rtl-profile (rtl_profile_dump_file): Removed.
5239 (rtl_profile_hooks): emoved profile_dump_file hook.
5240 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5242 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5243 * tree-cfg.c (build_tree_cfg): Ditto.
5244 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5245 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5246 Declaration changed.
5247 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5248 life_analysis and schedule_insns.
5249 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5251 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5253 * config/mips/mips.c (mips_reorg): Ditto.
5254 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5257 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5259 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5260 (s390_mangle_fundamental_type): New.
5261 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5264 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5265 (alpha_mangle_fundamental_type): New.
5266 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5269 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5271 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5273 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5274 (sparc_mangle_fundamental_type): New.
5276 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5278 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5279 (s390x-*-linux*): Likewise.
5280 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5281 * config/s390/t-linux: New file.
5283 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5285 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5286 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5288 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5290 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5291 (ANTIC_SAFE_LOADS): New macro.
5292 (find_or_generate_expression): Add prototype.
5293 (set_contains_value): Allow null set for sake of not always having
5294 to allocate ANTIC_SAFE_LOADS.
5295 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5296 Allow COMPONENT_REF too.
5297 (valid_in_set): Allow COMPONENT_REF.
5298 Check ANTIC_SAFE_LOADS too.
5299 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5300 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5302 (can_PRE_operation): Add COMPONENT_REF.
5303 (create_component_ref_by_pieces): New function.
5304 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5305 (insert_aux): Move AGGREGATE_TYPE_P check here.
5306 (compute_avail): Set bb local stmt uids.
5307 (pass_pre): Use TODO_update_ssa_only_virtuals.
5309 2006-02-06 Ben Elliston <bje@au.ibm.com>
5311 * configure.ac: Unconditionally disable decimal float by default.
5312 * configure: Regenerate.
5314 2006-02-06 Ben Elliston <bje@au.ibm.com>
5316 * read-rtl.c (read_name): Terminate reading on EOF.
5318 2006-02-06 Ben Elliston <bje@au.ibm.com>
5320 * dfp.c (decimal_real_arithmetic): Change second argument type
5321 from int to enum tree_code. Do not always return true, but now
5322 return result of any call to decimal_do helper functions.
5323 * dfp.h (decimal_real_arithmetic): Update prototype.
5325 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5327 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5329 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5332 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5335 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5337 * tree-vrp.c (cfg_loops): Removed.
5338 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5339 Use current_loops instead of cfg_loops. Pass flags to
5340 loop_optimizer_init.
5341 * cfgloopmanip.c (fix_loop_structure): Update only available
5343 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5344 loop_optimizer_init.
5345 * modulo-sched.c (build_loops_structure): Removed.
5346 (sms_schedule): Use loop_optimizer_init.
5347 * loop-init.c (loop_optimizer_init): Use flags to determine
5348 which properties of loops to prepare.
5349 (rtl_loop_init): Pass flags to loop_optimizer_init.
5350 * tree-ssa-sink.c (execute_sink_code): Ditto.
5351 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5352 * tree-ssa-pre.c (init_pre): Ditto.
5353 * cfgloop.h (LOOPS_NORMAL): New.
5354 (loop_optimizer_init): Declaration changed.
5356 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5358 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5359 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5361 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5363 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5365 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5366 * pa/t-pa64: Delete quadlib.c rule.
5367 * pa/x-ada: Revert last change.
5368 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5370 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5372 PR rtl-optimization/26087
5373 * rtlanal.c (canonicalize_condition): Do not cross basic block
5376 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5379 * config/ia64/ia64.c: Include debug.h.
5380 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5381 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5382 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5383 (process_epilogue, process_set, process_for_unwind_directive):
5384 Output unwind info only if requested. Add CFA info if requested.
5385 Add new arguments as needed. Adjust callers.
5386 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5388 (DWARF2_FRAME_INFO): Define to zero.
5389 * config/ia64/unwind-ia64.c: Remove code that compensated for
5390 the CFA offset error fixed above.
5391 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5392 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5393 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5394 -funwind-tables and -fexceptions to enable frame info.
5395 (dwarf2out_frame_init): Define initial CFA even if
5396 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5397 DWARF2_UNWIND_INFO is nonzero, not just defined.
5398 (dwarf2out_frame_finish): Output non-EH call frame info only
5399 if DWARF2_FRAME_INFO is nonzero.
5400 (convert_cfa_to_loc_list,
5401 compute_frame_pointer_to_cfa_displacement): Define even if
5402 unwind info is not supported.
5403 (gen_subprogram_die): Use the above unconditionally. Remove
5404 legacy alternate code.
5405 * toplev.c (compile_file): Compile in call to
5406 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5407 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5409 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5410 Jakub Jelinek <jakub@redhat.com>
5412 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5413 IBM extended float format long double as "g" on powerpc*-linux.
5415 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5418 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5419 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5421 2006-02-03 Jason Merrill <jason@redhat.com>
5424 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5427 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5428 on the return slot if it's an NRV.
5430 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5432 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5433 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5434 rewrite_use): Do not handle USE_OUTER.
5435 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5436 add_iv_outer_candidates, may_replace_final_value,
5437 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5438 (find_interesting_uses_op): Functionality of
5439 find_interesting_uses_outer_or_nonlin moved here.
5440 (find_interesting_uses_outside): Use find_interesting_uses_op.
5442 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5445 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5447 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5448 Ulrich Weigand <uweigand@de.ibm.com>
5451 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5452 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5453 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5454 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5456 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5457 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5458 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5459 Define secondary reloads for TFmode moves.
5460 (constant_modes): Add TFmode.
5461 (NR_C_MODES): Set to 8.
5462 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5464 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5465 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5466 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5467 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5468 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5469 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5470 (FPR mode macro): Add TFmode.
5471 (DSF mode macro): New.
5472 (<de>, <dee> mode attributes): Removed.
5473 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5474 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5475 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5476 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5477 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5478 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5479 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5480 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5481 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5482 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5483 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5484 "*negabs<mode>2", "sqrt<mode>2"):
5485 Changed <de> to <xde>. R constraint replaced by <Rf>.
5486 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5488 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5489 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5490 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5492 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5493 "extenddftf2", "extendsftf2"): New expanders.
5494 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5495 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5496 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5497 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5499 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5500 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5501 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5502 __floatditf): Add a GCC_4.1.0 symbol version tag.
5503 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5506 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5509 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5510 Use targetm.binds_local_p instead of TREE_PUBLIC.
5512 2006-02-02 Roger Sayle <roger@eyesopen.com>
5514 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5515 on INTEGER_TYPEs to indicate that it denotes a character type.
5516 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5517 signed_char_type_node, unsigned_char_type_node and char_type_node.
5518 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5519 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5520 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5522 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5523 Daniel Berlin <dberlin@dberlin.org>
5525 * tree-tailcall.c (arg_needs_copy_p): New function.
5526 (eliminate_tail_call): Use arg_needs_copy_p.
5527 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5528 (add_virtual_phis): New function.
5530 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5532 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5533 #ignore instead of #scratch for %g7 .register directive.
5535 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5537 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5540 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5542 * flow.c (calculate_global_regs_live): Assert that there aren't any
5545 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5547 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5549 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5550 bsi_after_labels iterator.
5551 * tree-if-conv.c (find_phi_replacement_condition,
5552 replace_phi_with_cond_modify_expr): Likewise.
5553 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5554 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5556 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5558 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5560 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5563 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5564 array after growing it.
5566 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5569 * fold-const.c (fold_checksum_tree): Change type of buf.
5571 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5573 * reload.c (push_secondary_reload): Initialize t_icode.
5575 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5577 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5578 -msoft-float -mlong-double-128 only issue a warning, but don't
5579 swich to DFmode long double.
5581 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5583 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5584 has a constant equivalent, iterate over equivalents for arg0,
5585 calling simplify_relational_operation and if there's a result
5586 cheaper than X, apply fold_rtx and return the result.
5588 2006-02-01 Jan Hubicka <jh@suse.cz>
5590 * opts.c (no_unit_at_a_time_default): New global variable.
5591 (decode_options): Use it.
5592 * opts.h (no_unit_at_a_time_default): Declare.
5594 2006-02-01 Paul Brook <paul@codesourcery.com>
5596 * function.c (assign_parm_setup_reg): Use function argument promotion
5598 * expr.c (expand_expr_real_1): Use function argument promotion rules
5601 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5603 * gcc.c (process_command): Change j to 'unsigned int'.
5605 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5608 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5609 Use the corrected index for the character
5610 out of the string constant.
5612 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5614 * mode-switching.c (optimize_mode_switching): Fix size
5615 allocated for bb_info[n_entities].
5617 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5619 * gcc.c (main): Correct type that is allocated for
5620 explicit_link_files.
5622 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5624 * config/s390/s390.c (init_alignment_context): Set
5625 ALIAS_SET_MEMORY_BARRIER on the MEM.
5626 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5628 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5631 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5633 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5636 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5638 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5639 * regrename.c: Ditto.
5640 * tree-ssa-loop-im.c: Ditto.
5641 * tree-dump.c: Ditto.
5642 * tree-complex.c: Ditto.
5643 * genrecog.c: Ditto.
5644 * tree-ssa-threadupdate.c: Ditto.
5646 * java/class.c: Ditto.
5647 * java/jcf-parse.c: Ditto.
5648 * java/resource.c: Ditto.
5649 * java/except.c: Ditto.
5650 * java/jvspec.c: Ditto.
5651 * java/jcf-write.c: Ditto.
5652 * java/jcf-path.c: Ditto.
5653 * java/gjavah.c: Ditto.
5654 * java/zextract.c: Ditto.
5655 * java/jcf-io.c: Ditto.
5656 * java/jcf.h: Ditto.
5657 * java/buffer.c: Ditto.
5658 * java/lang.c: Ditto.
5659 * java/parse-scan.y: Ditto.
5660 * java/lex.c: Ditto.
5661 * java/lex.h: Ditto.
5662 * cfgloopmanip.c: Ditto.
5663 * postreload-gcse.c: Ditto.
5664 * tree-ssa-loop-manip.c: Ditto.
5665 * postreload.c: Ditto.
5666 * tree-ssa-loop-ch.c: Ditto.
5670 * diagnostic.c: Ditto.
5672 * genoutput.c: Ditto.
5674 * cfghooks.c: Ditto.
5675 * cfgloopanal.c: Ditto.
5676 * objc/objc-act.c: Ditto.
5678 * genextract.c: Ditto.
5679 * genautomata.c: Ditto.
5680 * pretty-print.c: Ditto.
5682 * cgraphunit.c: Ditto.
5685 * haifa-sched.c: Ditto.
5686 * dominance.c: Ditto.
5688 * tree-ssa-loop-ivopts.c: Ditto.
5690 * mode-switching.c: Ditto.
5691 * modulo-sched.c: Ditto.
5693 * ipa-pure-const.c: Ditto.
5695 * fix-header.c: Ditto.
5697 * tree-stdarg.c: Ditto.
5698 * ipa-utils.c: Ditto.
5699 * loop-init.c: Ditto.
5700 * ipa-inline.c: Ditto.
5703 * alloc-pool.c: Ditto.
5704 * dwarf2out.c: Ditto.
5706 * genattrtab.c: Ditto.
5707 * tree-ssa-loop-ivcanon.c: Ditto.
5711 * fortran/gfortranspec.c: Ditto.
5713 * local-alloc.c: Ditto.
5714 * langhooks.c: Ditto.
5715 * function.c: Ditto.
5716 * tree-vectorizer.c: Ditto.
5718 * ipa-type-escape.c: Ditto.
5720 * tree-if-conv.c: Ditto.
5723 * tree-data-ref.c: Ditto.
5724 * loop-unroll.c: Ditto.
5725 * treelang/treetree.c: Ditto.
5728 * ggc-common.c: Ditto.
5730 * coverage.c: Ditto.
5732 * tree-cfgcleanup.c: Ditto.
5733 * tree-ssa-pre.c: Ditto.
5734 * cfgcleanup.c: Ditto.
5735 * loop-invariant.c: Ditto.
5737 * ipa-prop.c: Ditto.
5738 * print-tree.c: Ditto.
5739 * conflict.c: Ditto.
5740 * ggc-page.c: Ditto.
5741 * sched-deps.c: Ditto.
5742 * regclass.c: Ditto.
5743 * tree-object-size.c: Ditto.
5745 * bb-reorder.c: Ditto.
5746 * resource.c: Ditto.
5747 * var-tracking.c: Ditto.
5749 * df-problems.c: Ditto.
5750 * reg-stack.c: Ditto.
5753 * sched-rgn.c: Ditto.
5754 * tree-ssa-structalias.c: Ditto.
5755 * tree-ssa-reassoc.c: Ditto.
5756 * config/darwin-c.c: Ditto.
5757 * config/darwin.c: Ditto.
5758 * config/arm/arm.c: Ditto.
5760 * collect2.c: Ditto.
5763 2006-01-31 Nicolas Pitre <nico@cam.org>
5765 * arm.md (smaxsi3): Make aware of smax_m1.
5768 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5770 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5772 2006-01-31 Richard Guenther <rguenther@suse.de>
5774 * doc/invoke.texi (-msselibm): Document.
5775 * target.h (expand_library_builtin): New target hook.
5776 * builtins.c (expand_builtin): Use expand_library_builtin.
5777 (default_expand_library_builtin): New function.
5778 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5779 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5780 (link_gcc_math_spec): Declare.
5781 (static_specs): Add link_gcc_math_spec.
5782 * expr.h (default_expand_library_builtin): Declare.
5783 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5784 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5785 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5786 * config/i386/i386.opt (msselibm): New target option.
5787 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5788 (ix86_init_sse_abi_builtins): New function.
5789 (ix86_expand_library_builtin): Likewise.
5790 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5791 (override_options): Handle error conditions wrt -msselibm.
5792 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5793 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5794 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5797 2006-01-31 Richard Guenther <rguenther@suse.de>
5798 Paolo Bonzini <bonzini@gnu.org>
5800 * doc/install.texi (--disable-libgcc-math): Document.
5802 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5804 * expr.h (expand_normal): new inline function.
5805 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5807 * dwarf2out.c: use it.
5812 * config/sparc/sparc.c: use it.
5813 * config/i386/i386.c: use it.
5814 * config/rs6000/rs6000.c: use it.
5815 * config/arm/arm.c: use it.
5816 * config/mips/mips.c: use it.
5817 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5819 2006-01-30 Roger Sayle <roger@eyesopen.com>
5821 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5822 argv to the appropriate type.
5824 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5826 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5829 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5832 * config/s390/s390.c (struct machine_function): New flag
5833 decomposed_literal_pool_addresses_ok_p.
5834 (s390_reorg): Set it before final stage of literal pool transforms.
5835 (s390_decompose_address): Only accept displacements of the form
5836 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5838 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5840 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5841 the comparison routine return.
5843 2006-01-30 Michael Matz <matz@suse.de>
5845 * global.c (find_reg): Only evict for global regs.
5846 Take n_refs into account and dump more info.
5848 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5851 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5852 (pragma_trap, pragma_nosave_low_regs): Likewise.
5853 (current_function_anonymous_args): Likewise.
5854 (sh_deferred_function_attributes): New variable.
5855 (sh_deferred_function_attributes_tail): Likewise.
5856 (print_operand): For '@', look up trap_exit attribute.
5857 (calc_live_regs): Look up trapa_handler attribute. For trapa
5858 handlers, save/restore fpscr, but don't do any other
5859 interrupt-specific saves.
5860 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5861 Fix check for partially saved registers to check for SHmedia.
5862 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5863 (sh_output_function_epilogue): Don't clear any of the removed
5865 (sh_insert_attributes): Don't check pragma_interrupt.
5866 Insert deferred attributes. Check that interrupt attribute is
5867 present for other attributes that require its presence.
5868 (sh_attribute_table): Add new attributes trapa_handler and
5870 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5871 Don't check for pragma_interrupt. Don't store argument.
5872 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5873 (sh_deferred_function_attributes): Declare.
5874 (sh_deferred_function_attributes_tail): Likewise.
5875 * sh.md (sp_switch_1): Add operand. Change generator caller.
5876 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5877 (*return_i): Don't use when trap_exit attribute is in effect.
5878 (*return_trapa): New insn pattern.
5880 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5881 setting c_target_objs and cxx_target_objs.
5882 * t-sh: Add rule for sh-c.o.
5884 2006-01-30 Richard Guenther <rguenther@suse.de>
5887 * gimplify.c (gimplify_target_expr): Handle easy cases
5888 without creating a temporary.
5890 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5892 * vec.h (safe_grow): Remove duplicated line.
5894 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5897 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5898 (expand_omp): ... here.
5899 (expand_omp_parallel): Only remove barriers for combined
5900 parallel+workshare constructs.
5902 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5906 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5907 * tree.c (build_qualified_type): Chain the new type to the original
5908 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5909 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5910 (build_pointer_type_for_mode): Only return unqualified types.
5911 (build_reference_type_for_mode): Likewise.
5913 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5915 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5916 * Makefile.in (CXX_COMPAT_WARN): Define.
5917 * configure: Regenerate.
5919 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5922 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5925 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5927 * toplev.c: Fix thinko.
5929 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5930 Marcin Dalecki <martin@dalecki.de>
5932 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5933 (push_srcloc): Use XNEW.
5934 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5936 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5938 * df-core.c (df_set_blocks): Deleted all variable.
5940 2006-01-28 Ian Lance Taylor <ian@airs.com>
5942 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5943 cgraph_output_pending_asms.
5945 2006-01-28 Zack Weinberg <zackw@panix.com>
5947 * c.opt: Add -W(no-)overlength-strings.
5948 * doc/invoke.texi: Document it.
5949 * c-opts.c (c_common_handle_option): -pedantic implies
5950 -Woverlength-strings, if not explicitly disabled already.
5951 (c_common_post_options): -Woverlength-strings defaults to off, and
5952 is always off for C++.
5953 * c-common.c (fix_string_type): Issue warning about strings longer
5954 than is portable only if warn_overlength_strings. Rearrange code
5955 a little for clarity.
5956 * configure.in: Check for -Wno-overlength-strings as well before
5957 enabling -pedantic in stage 1.
5958 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5959 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5961 * genconditions.c (write_header, write_one_condition)
5962 (write_conditions, write_writer): Consolidate very long strings
5963 that were broken up to fit in C89 portable limit. Don't use
5964 printf when fputs will do.
5966 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5968 * combine.c (simplify_comparison <AND>): Check
5969 TRULY_NOOP_TRUNCATION before start using a subreg.
5971 * config/mips/mips.md (*branch_zero<mode>,
5972 *branch_zero<mode>_inverted, *branch_equality<mode>,
5973 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5974 Remove mode check from comparisons.
5976 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5978 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5980 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5982 * expmed.c (const_mult_add_overflow_p): Remove.
5983 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5985 * recog.c (validate_replace_rtx_subexp): Remove.
5986 * recog.h: Remove the prototype for
5987 validate_replace_rtx_subexp.
5989 * integrate.h: Remove the prototype for
5990 copy_decl_for_inlining.
5991 * rtl.h: Remove the prototype for mark_constant_function.
5992 * tree-vectorizer.h: Remove the prototype for
5993 vect_strip_conversion.
5995 * modulo-sched.c (create_partial_schedule,
5996 free_partial_schedule, reset_partial_schedule): Make them
5999 * hooks.c (hook_bool_rtx_int_false): Remove.
6000 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6002 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6004 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6005 and -mlong-double-128 are incompatible.
6006 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6007 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6008 (TARGET_LIBGCC2_CFLAGS): Define.
6009 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6010 (TARGET_LIBGCC2_CFLAGS): Same.
6011 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6013 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6016 * c-typeck.c (build_binary_op): Perform implicit casts of
6017 operands before shortening them.
6019 * cfgloopmanip.c (split_loop_bb): Remove.
6020 * cfgloop.h: Remove the prototype for split_loop_bb.
6022 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6023 * cfgloop.h: Remove the prototype for
6024 flow_loop_outside_edge_p.
6026 * emit-rtl.c (init_virtual_regs): Make it static.
6027 * function.h: Remove the prototype for init_virtual_regs.
6029 * recog.c (peephole2_optimize): Make it static.
6030 * recog.h: Remove the prototype for peephole2_optimize.
6032 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6034 * df-scan.c (df_record_entry_block_defs): Check if
6035 INCOMING_RETURN_ADDR_RTX is defined.
6037 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6038 Kenneth Zadeck <zadeck@naturalbridge.com>
6040 PR rtl-optimization/24762
6041 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6042 * targhooks.c (hook_void_bitmap): New hook prototype.
6043 * targhoohs.h (hook_void_bitmap): Ditto.
6044 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6045 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6046 * target.h (live_on_entry): New function pointer.
6047 * df-scan.c (df_all_hard_regs): Removed.
6048 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6049 (df_scan_free_internal): Added df->entry_block_defs.
6050 (df_scan_alloc): Ditto.
6051 (df_scan_dump): Ditto.
6052 (df_uses_record): Plumbed flag field properly thru calls.
6053 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6054 This part fixes PR24762.
6055 (df_bb_refs_record): Added code to make the frame and arg
6056 pointers live in EH blocks.
6057 (df_refs_record): Added call to df_record_entry_block_defs.
6058 (df_record_entry_block_defs): New function.
6059 * df-core.c: Added comments to describe new artifical defs.
6060 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6061 (entry_block_defs): New field in struct df.
6062 (df_all_hard_regs): Deleted.
6063 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6064 * df-problems.c (df_ru_bb_local_compute_process_def):
6065 Added code to handle artifical defs in the entry to a function.
6066 (df_ru_bb_local_compute): Ditto.
6067 (df_rd_bb_local_compute_process_def): Ditto.
6068 (df_rd_bb_local_compute): Ditto.
6069 (df_lr_bb_local_compute): Ditto.
6070 (df_ur_bb_local_compute): Ditto.
6071 (df_urec_bb_local_compute): Ditto.
6072 (df_chain_create_bb): Ditto.
6073 (df_ur_local_finalize): Removed entry.
6074 (df_urec_init): Ditto.
6075 (df_urec_local_finalize): Ditto.
6076 (df_ri_bb_compute): Added detection of last use of pseudos.
6077 * Makefile.in (df-scan.o): Updated dependencies.
6078 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6079 * config/mips/mips.c (mips_set_live_on_entry): Added.
6080 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6082 * dce.c (marked_insn_p): Added code to handle artifical defs.
6084 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6086 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6088 (_mm_cvtsi128_si64): Likewise.
6089 (_mm_cvtsd_si64): Likewise.
6090 (_mm_cvttsd_si64): Likewise.
6091 (_mm_cvtsi64_sd): Likewise.
6092 (_mm_cvtsi64_si128): Likewise.
6093 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6094 (_mm_cvtsi64_m64): Likewise.
6095 (_m_to_int64): Likewise.
6096 (_mm_cvtm64_si64): Likewise.
6097 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6098 (_mm_cvttss_si64): Likewise.
6099 (_mm_cvtsi64_ss): Likewise.
6100 (_mm_cvtss_f32): Likewise.
6102 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6104 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6105 for pragma redefine_extname.
6107 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6110 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6111 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6112 -mno-minimal-toc to previous content.
6113 (bispecs): Remove goal.
6114 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6115 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6116 compatibility aliases on powerpc-*-*gnu*.
6117 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6118 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6119 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6120 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6121 (ldblspecs): New goal.
6122 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6123 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6125 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6126 L_sf_to_tf or L_df_to_tf is defined.
6128 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6129 Alan Modra <amodra@bigpond.net.au>
6132 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6133 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6134 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6135 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6136 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6137 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6138 (rs6000_override_options): Initialize rs6000_ieeequad.
6139 Initialize TFmode format to ibm_extended_format if not
6141 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6143 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6144 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6145 (function_arg_advance): IBM long double passed in two FPRs, not
6147 (function_arg): IBM long double passed in FPRs.
6148 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6149 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6150 Only multireg GPR aligned.
6151 (rs6000_init_libfuncs): Enable IBM long double functions if not
6153 (rs6000_generate_compare): Use IBM long double compare if not
6155 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6156 (TARGET_IEEEQUAD): Define.
6157 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6158 not TARGET_IEEEQUAD.
6159 * config/rs6000/rs6000.md: Enable TFmode patterns if
6161 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6162 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6163 and -mlong-double-128 are incompatible.
6164 * doc/invoke.texi (-mabi): Collect options together. Add
6165 ibmlongdouble and ieeelongdouble.
6167 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6169 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6171 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6172 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6173 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6174 * rtl.h (rtunion_def): Remove rt_ptr.
6176 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6177 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6178 * config/i386/winnt.c (i386_pe_mark_dllexport)
6179 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6181 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6183 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6185 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6189 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6190 pthread_key_delete. From John David Anglin. gthrw-ify
6191 pthread_getunique_np only if it it's not a macro. Delete
6193 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6194 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6195 __gthread_objc_condition_signal, __gthread_key_delete): Add
6196 "__attribute__ ((__unused__))" to unused arguments.
6197 (__gthread_recursive_mutex_init_function): Add missing return.
6198 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6199 gthr-posix95.h: Use macro-based approach for name redirection
6200 on targets missing weakref.
6202 2006-01-26 Zack Weinberg <zackw@panix.com>
6204 * genconditions.c (write_header): In generated code, #ifdef out
6205 all includes and fake declarations, except includes of bconfig.h
6206 and system.h, unless GCC_VERSION >= 3001. Do not include
6207 gensupport.h in any case.
6208 (write_conditions): Generate a definition of struct c_test. Add
6209 a comment to the generated #endif.
6210 (write_one_condition): Escape backslashes in string too.
6211 (write_writer): Generated code must escape backslashes and quote
6212 marks (but not newlines) in the strings it writes.
6213 * Makefile.in (build/gencondmd.o): Update dependencies.
6215 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6218 * Makefile.in (insn-automata.o): Add header file dependencies.
6219 * genautomata.c: Add includes.
6221 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6224 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6226 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6228 * configure.ac: Expect target tools paths to be passed from the toplevel
6229 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6231 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6233 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6236 * c.opt (Wpointer-sign): Init to -1.
6237 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6238 OPT_pedantic, to 0 otherwise.
6239 * doc/invoke.texi: Update.
6241 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6243 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6244 constants provided by 80387 instructions in the destination mode.
6246 2006-01-26 Richard Guenther <rguenther@suse.de>
6247 Andrew Pinski <pinskia@physics.uc.edu>
6250 partial PR tree-opt/17064
6251 * tree-ssa-structalias.c (intra_create_variable_infos):
6252 Create heap variables for incoming parameters if
6253 flag_argument_noalias > 1.
6254 (find_what_p_points_to): Look through default defs of
6257 2006-01-26 Jeff Law <law@redhat.com>
6260 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6261 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6262 within the VR_RANGE, use the VR_RANGE as the result, not the
6264 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6265 bounds for the type.
6267 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6269 * tree-ssa-alias.c (maybe_create_global_var): Change
6270 subvar walking to an assertion that we don't have subvar'd variables.
6272 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6275 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6276 Use a new variable, inner. PARM_DECLs are always non-weak.
6278 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6280 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6283 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6285 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6287 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6289 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6290 (smax_insn, smin_insn, smax_0, smin_0): New.
6292 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6295 * config/cris/cris.c (cris_order_for_addsi3): New function.
6296 * config/cris/cris-protos.h: Prototype it.
6297 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6298 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6299 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6300 (split for "op.S1 [rx=rx+i],ry (swapped)")
6301 (split for "op(s|u).S1 [rx=rx+i],ry")
6302 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6303 Apply cris_order_for_addsi3 when generating addsi3 insns.
6305 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6307 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6308 (TREE_BLOCK): Add call to EXPR_CHECK.
6310 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6313 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6314 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6315 (dump_omp_clauses): ... here.
6316 (dump_generic_node): Handle OMP_CLAUSE.
6317 * tree.c (omp_clause_num_ops): New.
6318 (omp_clause_code_name): New.
6319 (tree_code_size): Handle OMP_CLAUSE.
6320 (tree_size): Likewise.
6321 (make_node): Document handling of OMP_CLAUSE.
6322 (tree_node_structure): Handle OMP_CLAUSE.
6323 (omp_clause_check_failed): New.
6324 (omp_clause_range_check_failed): New.
6325 (omp_clause_operand_check_failed): New.
6326 (build_omp_clause): New.
6327 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6328 * tree.h (enum omp_clause_code): Declare.
6329 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6330 (OMP_CLAUSE_RANGE_CHECK): Define.
6331 (OMP_CLAUSE_ELT_CHECK): Define.
6332 (omp_clause_check_failed): Declare.
6333 (omp_clause_operand_check_failed): Declare.
6334 (omp_clause_range_check_failed): Declare.
6335 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6336 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6337 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6338 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6339 (OMP_CLAUSE_IF_EXPR): Likewise.
6340 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6341 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6342 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6343 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6344 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6345 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6346 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6347 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6348 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6349 (OMP_CLAUSE_CODE): Define.
6350 (OMP_CLAUSE_SET_CODE): Define.
6351 (OMP_CLAUSE_CODE): Define.
6352 (OMP_CLAUSE_OPERAND): Define.
6353 (struct tree_omp_clause): Declare.
6354 (union tree_node): Add field 'omp_clause'.
6355 * treestruct.def (TS_OMP_CLAUSE): Define.
6356 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6357 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6358 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6359 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6360 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6361 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6362 (OMP_CLAUSE): Define.
6363 * print-tree.c (print_node): Handle OMP_CLAUSE.
6364 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6365 * c-typeck.c: Likewise.
6366 * gimplify.c: Likewise.
6367 * c-omp.c: Likewise.
6368 * tree-nested.c: Likewise.
6369 * tree-inline.c: Likewise.
6370 * c-parser.c: Likewise.
6371 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6374 2006-01-25 Roger Sayle <roger@eyesopen.com>
6376 PR rtl-optimization/25703
6377 * combine.c (try_combine): Handle zero_extract and strict_low_part
6378 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6380 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6382 * global.c: Fix comment typos.
6384 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6387 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6388 Use output_addr_const instead of assemble_name.
6390 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6392 * Makefile.in (sched-vis.o): Update dependencies.
6393 * haifa-sched.c (sched_finish): Clear current_sched_info.
6394 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6395 (dump_flow_info): Call it.
6396 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6398 * basic-block.h (dump_bb_info): Declare.
6399 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6400 option, and apply options only for dump files whose TDF_RTL,
6401 TDF_TREE, or TDF_IPA bits match.
6402 * rtl.h: Declare new functions exported from sched-vis.c.
6403 * sched-vis.c: Enable also if scheduling is not used.
6404 (print_value): Print the mode of registers if not inside scheduling.
6405 (print_insn): Make it work outside the scheduler. Beautify the output
6407 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6409 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6411 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6412 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6413 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6414 depending on the value of CONSTANT_POOL_ADDRESS_P.
6415 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6417 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6418 rather than SYMBOL_REF_DECL.
6419 (rtx_constant_pool): Remove const_rtx_sym_htab.
6420 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6421 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6422 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6423 Remove handling of const_rtx_sym_htab.
6424 (find_pool_constant): Delete.
6425 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6426 rather than find_pool_constant.
6427 (get_pool_constant_for_function): Delete.
6428 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6430 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6431 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6432 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6433 (SYMBOL_REF_CONSTANT): New macro.
6434 (get_pool_constant_for_function): Delete.
6435 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6436 rather than SYMBOL_REF_DECL.
6437 (i386_pe_mark_dllimport): Likewise.
6438 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6439 rather than SYMBOL_REF_DECL.
6440 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6441 (machopic_indirect_call_target): Likewise.
6443 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6445 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6447 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6449 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6451 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6453 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6455 2006-01-24 David Daney <ddaney@avtrex.com>
6458 * configure.ac (enable_tls): New enable option.
6459 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6460 * configure: Regenerate.
6461 * doc/install.texi (--enable-tls): Document new option.
6462 (--disable-tls): Ditto.
6464 2006-01-24 Richard Henderson <rth@redehat.com>
6466 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6467 * alias.c (true_dependence): Respect it.
6468 (canon_true_dependence, write_dependence_p): Likewise.
6469 * builtins.c (get_builtin_sync_mem): Set it.
6471 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6473 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6476 2006-01-24 DJ Delorie <dj@redhat.com>
6478 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6479 for storing constants in single-bit bitfields.
6481 2006-01-25 Ben Elliston <bje@au.ibm.com>
6483 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6485 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6488 * tree-ssa-pre.c (phi_translate): Return NULL
6489 for AGGREGATE_TYPE's.
6491 2006-01-24 Zack Weinberg <zackw@panix.com>
6493 * genautomata.c (process_state_for_insn_equiv_partition):
6494 Use xcalloc for insn_arcs_array.
6495 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6496 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6498 2006-01-24 Richard Henderson <rth@redhat.com>
6500 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6503 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6505 PR rtl-optimization/25890
6506 PR rtl-optimization/25905
6507 * combine.c (expand_compound_operation, expand_field_assignment):
6508 Fail if the bitfield's final position is out of bounds.
6510 2006-01-24 Ian Lance Taylor <ian@airs.com>
6513 * cgraphunit.c (cgraph_output_in_order): Don't clear
6514 cgraph_asm_nodes until after asm strings have been output.
6516 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6518 * fix-header.c (read_scan_file): Add new parameter imultilib when
6519 calling register_include_chains.
6521 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6523 * omp-low.c: Update documentation.
6525 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6526 Daniel Berlin <dberlin@dberlin.org>
6530 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6531 return from the function.
6533 2006-01-22 Zack Weinberg <zackw@panix.com>
6535 * rtl.def (match_code): Add second argument.
6536 * genpreds.c (write_extract_subexp): New function.
6537 (write_match_code): Add path argument. Use write_extract_subexp.
6538 (write_predicate_expr): Pass path to write_match_code.
6539 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6540 not perform a mode test.
6541 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6542 a subexpression does not constrain the top-level code set.
6543 * read-rtl.c (read_rtx_variadic): New function.
6544 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6545 * doc/md.texi: Document new notation.
6546 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6547 (cmpsi_operand): ... here, using new notation.
6549 2006-01-22 Zack Weinberg <zackw@panix.com>
6551 * varray.c: Remove GENERATOR_FILE #ifdefs.
6553 2006-01-22 Zack Weinberg <zackw@panix.com>
6555 * genautomata.c (output_reserved_units_table): Emit nothing if
6556 description->query_units_num is zero. Remove extra blank line.
6557 (output_cpu_unit_reservation_p): Short circuit
6558 if description->query_units_num is zero.
6560 2006-01-22 Zack Weinberg <zackw@panix.com>
6562 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6563 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6564 nor any of the random handful of variables that used to be necessary
6565 when this program was linked with rtlanal.o. Prune set of forward
6566 function declarations.
6567 (struct attr_desc): Remove static_p field.
6568 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6569 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6570 (attr_string): Do not read the character one past the length of
6572 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6573 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6574 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6575 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6576 (make_automaton_attrs): New.
6577 (main): Do not call into genautomata. Call local gen_bypass
6578 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6579 Remove special case for insn_alts.
6580 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6581 varray.h (leftover from previous change). Prune set of forward
6582 function declarations. Remove state_alts fields from all
6583 structures. Remove state_alts_table from struct automaton.
6584 Make everything except main static. Do not maintain num_dfa_decls.
6585 Do not maintain state_alts fields of various structures.
6586 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6587 (add_arc): Remove state_alts argument. All callers updated.
6588 (output_reserved_units_table): Emit #ifdef here...
6589 (output_tables): ...not here. Don't generate state_alts tables.
6590 (expand_automata): Don't generate attributes.
6591 (write_automata): Don't generate state_alts functions.
6592 (main): New function.
6593 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6594 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6595 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6596 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6597 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6598 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6599 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6600 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6602 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6603 * genattrtab.h: Delete file.
6604 * Makefile.in (OBJS-common): Add insn-automata.o.
6605 (insn-automata.o): New rule.
6606 (simple_generated_c): Add insn-automata.c.
6607 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6608 (genprogmd): Add automata.
6609 (build/genattrtab): Needs no extra objects nor libraries.
6610 (build/genautomata): Needs build/vec.o and -lm.
6612 2006-01-22 Zack Weinberg <zackw@panix.com>
6614 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6615 (output_dfa_max_issue_rate, locked_states_num): Delete.
6616 (struct automaton): Add locked_states field.
6617 (output_dead_lock_vect): Save number of locked states in
6618 automaton->locked_states. If it is zero, don't print anything.
6619 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6620 (output_internal_dead_lock_func): Only test the dead_lock_vect
6621 for automata that have locked states.
6622 (output_statistics): Always print the number of locked states for
6623 each automaton. Calculate total number of locked states here.
6624 (write_automata): Don't call output_dfa_max_issue_rate.
6625 * genattrtab.c: Define length_unit_log as a const variable.
6626 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6627 max_insn_queue_index const.
6628 * final.c (length_unit_log): Declare const.
6629 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6631 2006-01-22 Zack Weinberg <zackw@panix.com>
6633 * genautomata.c: Include vec.h, not varray.h.
6634 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6635 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6636 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6637 VEC_* macros operating on appropriately typed vectors, or to
6638 malloced arrays when the size is known in advance. Const-ify
6639 many char* variables and function arguments. No functional changes.
6640 * Makefile.in (build/varray.o): Delete rule.
6641 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6642 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6644 2006-01-22 Zack Weinberg <zackw@panix.com>
6646 * gensupport.c: Define get_insn_name and record_insn_name here.
6647 (read_md_rtx): Call record_insn_name as appropriate.
6648 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6649 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6650 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6652 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6653 (BUILD_VARRAY): Delete.
6654 (genprognormal): Rename genprogmd. Fold in all programs from
6655 genprognoprint; also attrtab.
6656 (build/genattrtab): Just mention genautomata.o and varray.o.
6657 Reorganize a bit, add comments to make the categories clearer.
6659 2006-01-22 Zack Weinberg <zackw@panix.com>
6661 * genconditions.c (condition_table, add_condition): Delete.
6662 (write_conditions): Don't emit n_insn_conditions nor
6663 insn_elision_unavailable. Issue the gcc version #ifdef here,
6664 inside the table, with no #else clause ...
6665 (write_header): ...not here.
6666 (write_writer): New function.
6667 (main): Don't initialize condition_table. Use add_c_test.
6669 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6670 files on the command line.
6671 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6672 Return -1 if there is no entry in the table, don't abort.
6673 (add_c_test, traverse_c_tests): New functions.
6674 * gensupport.h (insn_elision_unavailable, insn_conditions)
6675 (n_insn_conditions): Delete declarations.
6676 (add_c_test, traverse_c_tests): Declare.
6677 * read-rtl.c: Include gensupport.h.
6678 (read_conditions): New function.
6679 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6680 (read_rtx_1): If we get EOF when we were looking for an initial
6681 open paren, return 0. Call read_conditions when appropriate.
6682 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6683 dummy-conditions.o. Eliminate references to insn-conditions.o,
6684 or change them to build/gencondmd.o, as appropriate. Remove
6685 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6686 from $(simple_generated_c). For all files remaining in those
6687 two lists, add insn-conditions.md to the generator command line.
6688 Give insn-constants.h/s-constants their own rules. Add rules
6689 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6690 (build/read-rtl.o): Depend on gensupport.h.
6691 (genprognormal): Include preds.
6692 (genprogearly): Rename genprognoprint; only difference is now that
6693 they don't link with $(BUILD_PRINT).
6694 * dummy-conditions.c: Delete.
6696 2006-01-22 Zack Weinberg <zackw@panix.com>
6698 * genextract.c: Don't include insn-config.h. Do include vec.h.
6699 Declare vectors of int, char, and locstr.
6700 (locstr): New typedef.
6701 (struct extraction): Make all array fields into bare pointers.
6702 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6703 (insn_code_number): Delete.
6704 (accum_extract): New struct.
6705 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6706 (gen_insn): Take insn_code_number as an argument. Use an
6707 accum_extract structure instead of loading data directly into
6708 a struct extraction, and having to know how big it might get.
6709 (walk_rtx): Operate entirely on an accum_extract structure.
6710 (print_path): Avoid unnecessary use of printf.
6711 (print_header): New function, split out of main. Distinguish
6712 more carefully between an unrecognizable insn and an insn that
6713 has the code number of a define_expand.
6714 (main): Pass insn_code_number to gen_insn. Call print_header
6715 only after parsing. Avoid unnecessary use of printf.
6716 * Makefile.in (build/vec.o): New rule.
6717 (build/genextract): Depend on build/vec.o.
6718 (build/genextract.o): Don't depend on insn-config.h.
6720 2006-01-22 Zack Weinberg <zackw@panix.com>
6722 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6723 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6724 practical. Eliminate per-generator-program link rules.
6726 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6729 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6730 with a call expr to ...
6731 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6733 2006-01-23 Richard Guenther <rguenther@suse.de>
6735 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6736 before make_edge with conditional EDGE_TRUE_VALUE.
6738 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6739 Jan Hubicka <jh@suse.cz>
6740 Richard Guenther <rguenther@suse.de>
6742 PR rtl-optimization/25654
6743 * cfgexpand.c (aggregate_contains_union_type): New function.
6744 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6745 for structure variables that contain a union type.
6747 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6749 * gengtype.c (new_structure): Return the structure.
6750 (create_option): Add an extra "next" argument.
6751 (create_field): New function.
6752 (adjust_field_rtx_def): Use create_option and create_field.
6753 Remove a now-unnecessary call to find_structure.
6754 (adjust_field_tree_def): Likewise.
6755 (note_yacc_type): Remove an unnecessary call to find_structure.
6756 * gengtype.h (new_structure): Return the structure.
6757 (create_option): Add an extra argument.
6758 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6759 (option): Adjust calls to create_option.
6761 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6763 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6765 2006-01-22 Paul Brook <paul@codesourcery.com>
6766 Peter Barada <peter@the-baradas.com>
6768 * config/m68k/m68k.md: Add Coldfire FPU support.
6769 Define FP mode macro and associated attributes.
6770 Use it for float mode patterns.
6771 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6772 (LIBCALL_VALUE): Use m68k_libcall_value.
6773 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6774 (m68k_function_value): Ditto.
6775 (emit_move_sequence): Ditto.
6776 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6777 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6778 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6779 (MULTILIB_EXCEPTIONS): Ditto.
6780 * config/m68k/m68k.opt: Add mcfv4e.
6781 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6782 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6783 (m68k_output_function_prologue): Save ColdFire FPU registers.
6784 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6785 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6786 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6787 ColdFire FPU registers.
6788 (m68k_libcall_value, m68k_function_value): New functions.
6789 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6790 (LIBCALL_VALUE): Use m68k_libcall_value.
6791 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6792 (MASK_COLDFIRE): Add MASK_CFV4E.
6793 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6794 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6795 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6796 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6797 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6798 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6799 * doc/invoke.tex: Document -mcfv4e on m68k.
6801 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6803 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6806 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6809 * c-opts.c (c_common_handle_option): Don't include
6810 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6811 * doc/invoke.texi (C++ Dialect Options): Document that
6812 -Wnon-virtual-dtor is no longer included in -Wall.
6814 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6816 * gcov.c (print_version), gcov-dump.c (print_version),
6817 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6820 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6822 * df-scan.c (problem_SCAN): Added NULL reset function.
6823 (df_scan_reset_blocks): Added code to call reset block function
6824 (df_bb_refs_delete) Fixed comment.
6825 (df_insn_refs_delete): Made tolerant of deleting non existent info
6826 for dataflow problems that need to be reset.
6827 * df-core.c (df_set_blocks): Ditto.
6828 * df.h (struct df_problem): Added reset_fun.
6829 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6830 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6831 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6832 functions to clear out all references to def-use or use-def chains.
6834 2006-01-21 Ben Elliston <bje@au.ibm.com>
6836 * varasm.c (assemble_real): Initialise data array.
6838 2006-01-20 Paul Brook <paul@codesourcery.com>
6840 Merge from csl-arm-branch.
6841 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6842 * config/arm/arm.md (movdi): Force operands[1] to a register
6843 if we have a non-register source.
6844 (*arm_movdi, *movdf_soft_insn): Require that one of the
6845 operands be a register.
6846 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6847 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6849 2006-01-20 DJ Delorie <dj@redhat.com>
6851 * varasm.c (initialize_constant_valid_p): Allow pointers
6852 initialized from integer constants of lesser precision.
6853 (output_constant): Allow non-int-sized pointer modes to be
6854 initialized from integer constants.
6856 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6859 * cppdefault.h (struct default_include): Add multilib flag.
6860 * cppdefault.c (cpp_include_defaults): Set it.
6861 * c.opt (-imultilib): New option.
6862 * c-opts.c (imultilib): New.
6863 (c_common_handle_option): Handle -imultilib.
6864 (c_common_post_options): Likewise.
6865 * c-incpath.c (add_standard_paths, register_include_chains):
6867 * c-incpath.h (register_include_chains): Add extra parameter.
6868 * gcc.c (do_spec_1): Generate -imultilib option.
6869 (The Specs Language): Update %I description.
6870 (process_command): Update copyright notice.
6871 * doc/cppopts.texi (-imultilib): Document.
6872 * doc/invoke.texi (-imultilib): Include in option summary.
6873 (%I): Update specs documentation.
6875 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6877 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6879 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6881 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6884 2006-01-20 Richard Guenther <rguenther@suse.de>
6885 Steven Bosscher <stevenb.gcc@gmail.com>
6887 PR rtl-optimization/24626
6888 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6889 EDGE_TRUE_VALUE if in RTL mode.
6892 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6893 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6895 2006-01-20 Dirk Mueller <dmueller@suse.com>
6898 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6899 instead of a special NOP marker.
6900 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6901 NOP marker handling.
6902 * c-common.h (empty_body_warning): Add forward declaration.
6903 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6904 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6906 2006-01-20 Paul Brook <paul@codesourcery.com>
6908 * Makefile.in (lang_checks): Keep going if mkdir fails.
6910 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6912 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6913 be able to clean out basic block when not necessary.
6914 (df_scan_free): Fixed to properly delete information if df is
6915 unused before calling df_finish.
6916 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6917 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6919 (df_bb_refs_delete): New function.
6920 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6921 * df-core.c (df_set_blocks): Added code to properly clean out
6922 unused blocks if they are not part of the blocks to consider.
6923 Added additional null check.
6924 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6925 be able to clean out basic block when not necessary
6926 * df.h (df_free_bb_function): Ditto.
6927 (df_bb_refs_delete): New function.
6928 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6929 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6930 basic block parameter to be able to clean out basic block when not
6932 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6933 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6934 Fixed to properly delete information if df is unused before
6937 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6939 PR rtl-optimization/25799
6940 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6941 Corrected confluence operator to remove bits from op2 before oring
6942 with op1 rather than removing bits from op1.
6943 (df_ru_transfer_function): Corrected test on wrong bitmap which
6944 caused infinite loop. Both of these problems were introduced in
6945 the dataflow rewrite.
6947 2006-01-19 DJ Delorie <dj@redhat.com>
6949 * reload1.c (find_reload_regs): Note the details of reload
6950 failures in the dump file.
6951 (spill_failure): Likewise.
6953 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6955 * loop-iv.c: Include df.h and hashtab.h.
6956 (enum iv_grd_result): New enum.
6957 (DF_REF_IV, DF_REF_IV_SET): New macros.
6958 (struct biv_entry): New.
6959 (df, bivs): New global variables.
6960 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6961 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6963 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6964 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6965 analyzed_for_bivness_p, record_biv): New functions.
6966 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6967 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6968 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6970 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6972 (iv_number_of_iterations): Use new interface to iv analysis.
6973 * loop-unroll.c: Do not include varray.h.
6974 (analyze_iv_to_split_insn): Use new interface to iv
6976 * loop-unswitch.c (may_unswitch_on): Ditto.
6977 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6979 (df_bb_modify): Realloc tables to the new index.
6980 (df_find_use): New function.
6981 * df.h (df_find_use): Declare.
6982 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6984 * cfgloop.h (struct rtx_iv): Remove analysed field.
6985 (iv_get_reaching_def): Removed.
6986 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6987 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6988 (loop-iv.o): Add df.h and hashtab.h dependency.
6989 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6991 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6994 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6996 (__floatundisf, __floatundidf): Likewise.
6997 * libgcc2.h (IS_IBM_EXTENDED): Define.
6999 2006-01-19 DJ Delorie <dj@redhat.com>
7001 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7003 2006-01-19 Paul Brook <paul@codesourcery.com>
7005 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7006 as nothrow when unwinding tables are disabled.
7008 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7011 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7012 of bit-field" when in system header.
7014 2006-01-19 DJ Delorie <dj@redhat.com>
7016 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7017 the 16 bit shift limit of the m16c.
7019 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7022 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7023 * config/i386/i386.c (output_set_got): Output the label if we have one
7024 for the TARGET_DEEP_BRANCH_PREDICTION case.
7026 2006-01-19 Jan Hubicka <jh@suse.cz>
7027 H.J. Lu <hongjiu.lu@intel.com>
7028 Evandro Menezes <evandro.menezes@amd.com>
7030 * invoke.texi (generic): Document
7032 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7033 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7034 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7035 (x86_use_incdec, x86_pad_returns): New variables
7036 (TARGET_CPU_DEFAULT_generic): New constant
7037 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7038 (enum processor_type): Add generic32 and generic64.
7039 * i386.md (cpu attribute): Add generic32/generic64
7040 (movhi splitter): Behave sanely when both partial_reg_dependency and
7041 partial_reg_stall are set.
7042 (K8 splitters): Enable for generic as well.
7043 * predicates.md (incdec_operand): Use TARGET_INCDEC
7044 (aligned_operand): Avoid memory mismatch stalls.
7045 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7046 * ppro.md: Enable for generic32
7047 * i386.c (generic64_cost, generic32_cost): New.
7048 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7049 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7050 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7051 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7052 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7053 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7054 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7055 x86_accumulate_outgoing_args, x86_prologue_using_move,
7056 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7057 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7059 (x86_use_incdec, x86_pad_returns): New.
7060 (override_options): Add generic32 and generic64, translate "generic"
7061 to generic32/generic64 and "i686" to "generic32", refuse
7062 "generic32"/"generic64" as arch target.
7063 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7064 (ix86_reorg): Honor PAD_RETURNS.
7066 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7068 * tree-pretty-print.c (dump_generic_node): Handle
7069 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7070 * cgraph.c (cgraph_expand_queue): Rename from
7071 cgraph_analyze_queue. Update all users.
7072 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7073 cgraph_expand_queue.
7074 (cgraph_expand_all_functions): Likewise.
7075 (cgraph_finalize_pending_functions): Remove. Update callers.
7077 * tree.h (OMP_DIRECTIVE_P): Define.
7078 (OMP_PARALLEL_FN): Define.
7079 (OMP_PARALLEL_DATA_ARG): Define.
7080 (OMP_SECTIONS_SECTIONS): Define.
7081 * tree-pass.h (pass_expand_omp): Declare.
7082 * omp-low.c (struct omp_region): Declare.
7083 (struct omp_context): Remove fields 'parallel_type',
7084 'parallel_start_ix' and 'parallel_start_additional_args'.
7086 (struct omp_for_data): Rename from struct expand_omp_for_data.
7087 (omp_regions): New static variable.
7088 (root_omp_region): New static variable.
7089 (find_omp_clause): Make static.
7090 (is_in_combined_parallel_ctx): Remove.
7091 (is_combined_parallel): New.
7092 (extract_omp_for_data): Move earlier in the file.
7093 (workshare_safe_to_combine_p): New.
7094 (get_ws_args_for): New.
7095 (determine_parallel_type): Move earlier in the file.
7096 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7098 (omp_copy_decl): Likewise.
7099 (create_omp_child_function): Likewise.
7100 (lookup_omp_region): New.
7101 (dump_omp_region): New.
7102 (debug_omp_region): New.
7103 (debug_all_omp_regions): New.
7104 (new_omp_region): New.
7105 (scan_omp_parallel): If parallel_nesting_level > 1, the
7106 directive is nested within another parallel directive.
7107 Set OMP_PARALLEL_FN.
7108 (scan_omp_for): Do not try to handle combined parallel+for
7110 Remove FIXME comment.
7111 (scan_omp_nested): Remove.
7112 (scan_omp_1): Do not call scan_omp_nested when
7113 parallel_nesting_level is > 1.
7114 Do not change the DECL_CONTEXT of local variables found.
7115 (lookup_decl_in_outer_ctx): New.
7116 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7117 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7118 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7119 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7120 If CTX is nested, lookup VAR in the outer context when
7121 building copy assignment.
7122 (lower_send_clauses): Rename from expand_send_clauses.
7123 If CTX is nested, lookup VAR in the outer context when
7124 building copy assignments.
7125 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7126 If CTX is nested, lookup VAR in the outer context when
7127 building copy assignments.
7128 (expand_parallel_call): Rename from build_parallel_call.
7129 Handle combined parallel+workshare cases.
7130 Re-implement to emit code into the CFG.
7132 (expand_omp_parallel): Re-implement to emit code into the CFG.
7133 Call move_sese_region_to_fn to outline the sub-graph
7134 containing the parallel region.
7135 (expand_omp_for_1): Remove.
7136 (expand_omp_for_generic): Re-implement to emit code into the
7138 (expand_omp_for_static_nochunk): Likewise.
7139 (expand_omp_for_static_chunk): Likewise.
7140 (expand_omp_for): Likewise.
7141 (expand_omp_sections): Likewise.
7142 (remove_exit_barriers): New.
7143 (expand_omp_synch): New.
7145 (build_omp_regions_1): New.
7146 (build_omp_regions): New.
7147 (execute_expand_omp): New.
7148 (gate_expand_omp): New.
7149 (pass_expand_omp): Define.
7150 (lower_omp_sections): Rename from expand_omp_sections.
7151 Set OMP_SECTIONS_SECTIONS.
7152 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7153 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7154 (lower_omp_single): Rename from expand_omp_simple.
7155 (lower_omp_master): Rename from expand_omp_master.
7156 (lower_omp_ordered): Rename from expand_omp_ordered.
7157 (lower_omp_critical): Rename from expand_omp_critical.
7158 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7159 (lower_omp_for): Re-implement.
7160 (lower_omp_parallel): Re-implement.
7161 (lower_regimplify): Rename from expand_regimplify.
7162 (lower_omp_1): Rename from expand_omp_1.
7163 If there are syntax errors in the program, replace every
7164 OpenMP directive with NOP.
7165 Call lower_omp_* instead of expand_omp_*.
7166 (lower_omp): Rename from expand_omp.
7168 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7169 * tree-gimple.h (enum omp_parallel_type): Remove.
7170 (gimple_boolify): Declare extern.
7171 (find_omp_clause, determine_parallel_type): Remove.
7173 * gimple-low.c (lower_omp_directive): New.
7174 (lower_stmt): Call it.
7175 (record_vars_into): Move from ...
7176 (record_vars): ... here.
7177 Call record_vars_into with current_function_decl.
7179 * gimplify.c (struct gimplify_ctx): Remove fields
7180 combined_pre_p and combined_ctxp. Update users.
7181 (get_formal_tmp_var): Add documentation.
7182 (gimple_boolify): Make extern.
7183 (gimplify_expr_in_ctx): Remove. Update callers.
7184 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7185 will always be a BIND_EXPR.
7186 (gimplify_expr): Handle OMP_RETURN_EXPR.
7187 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7188 (OMP_PARALLEL): Add 3 operands.
7189 (OMP_SECTIONS): Add 1 operand.
7190 (OMP_RETURN_EXPR): Define.
7192 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7193 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7194 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7195 creating a circular free list.
7196 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7198 * tree-flow.h (move_sese_region_to_fn): Declare.
7199 (record_vars_into): Declare.
7200 * tree-cfg.c (make_omp_sections_edges): New.
7201 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7202 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7203 OMP_SECTIONS and OMP_SECTION.
7204 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7205 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7206 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7207 (gather_blocks_in_sese_region): New.
7208 (struct move_stmt_d): Declare.
7210 (move_block_to_fn): New.
7211 (move_sese_region_to_fn): New.
7213 * passes.c (init_optimization_passes): Schedule
7214 pass_expand_omp after pass_init_datastructures.
7216 * tree-ssa-operands.c (get_expr_operands): Handle
7217 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7218 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7220 2006-01-19 Jeff Law <law@redhat.com>
7222 * tree-vrp.c (extract_range_from_assert): Refine the result range
7223 if the variable referenced by the ASSERT_EXPR has a range and
7224 either the tentative result range or the previous range is a
7227 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7229 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7231 2006-01-19 Jan Hubicka <jh@suse.cz>
7233 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7235 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7237 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7238 (expand_compound_operation, expand_field_assignment): Fail if the
7239 bit lengths of an extract operation are out of range.
7240 (make_extraction): Compute wanted_inner_mode based on the position
7241 and length of the extraction. Make it extraction_mode for non-constant
7242 positions, and do not modify offset in that case. When generating a
7243 new MEM, use a mode that can hold the extraction while keeping correct
7244 alignment. Remove code that supported MEMs wrapped by USEs.
7245 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7247 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7249 * config/s390/s390.md ("Y", "y"): New mode attribute.
7250 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7251 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7252 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7253 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7254 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7255 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7256 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7257 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7258 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7259 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7260 "addsi3", "subsi3"): Insn patterns removed.
7261 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7262 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7263 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7264 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7265 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7266 "*sub<mode>3_cconly2"): New insn patterns.
7267 ("addsi3", "subsi3"): New expanders.
7269 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7271 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7272 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7273 existing STMT_VINFO_VECTYPE if available.
7274 (vect_mark_relevant): Add special handling for stmts that are
7275 marked as STMT_VINFO_IN_PATTERN_P.
7276 (vect_analyze_loop): Call vect_pattern_recog.
7277 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7278 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7280 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7281 (vect_recog_func_ptr): New function-pointer type.
7282 * tree-vect-patterns.c: New file.
7283 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7284 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7285 (vect_pattern_recog_1): New functions.
7286 (vect_pattern_recog_funcs): New array of function pointers.
7288 * tree-vectorizer.h (ternary_op): New enum value.
7289 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7290 declaration. Revised documentation. Removed redundant dump prints.
7291 Removed redundant argument. Added support for reduction patterns.
7292 (vectorizable_reduction): Added support for reduction patterns.
7293 (vect_transform_stmt): Added support for patterns.
7295 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7296 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7297 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7298 (expand_widen_pattern_expr): New function.
7299 (init_optabs): Initialize new optabs udot_prod_optab,
7301 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7302 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7303 (expand_widen_pattern_expr): New function declaration.
7304 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7306 * tree-inline.c (estimate_num_insns_1): Added cases for new
7307 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7308 * tree-pretty-print.c (dump_generic_node): Likewise.
7309 (op_prio): Likewise.
7310 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7311 * tree-ssa-operands.c (get_expr_operands): Added case for
7313 * tree-vect-patterns.c (widened_name_p): New function.
7314 (vect_recog_dot_prod_pattern): Added function implementation.
7315 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7316 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7317 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7318 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7320 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7321 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7322 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7323 (init_optabs): Initialize new optabs widen_ssum_optab,
7325 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7326 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7327 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7328 use instead of type of def.
7329 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7330 function implementation.
7331 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7332 widen_ssumv8hi): New.
7334 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7337 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7340 * c-decl.c (add_flexible_array_elts_to_size): New function.
7341 (finish_decl): Use it.
7343 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7345 * diagnostic.h: Include options.h.
7346 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7347 dependancies for diagnostic.h.
7348 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7350 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7352 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7353 (ssa_ro_call_cache_valid): Ditto.
7354 * tree-ssa-alias.c (sort_tags_by_id): New function.
7355 (init_transitive_clobber_worklist): Ditto.
7356 (add_to_worklist): Ditto.
7357 (mark_aliases_call_clobbered): Ditto.
7358 (compute_tag_properties): Ditto.
7359 (set_initial_properties): Ditto.
7360 (compute_call_clobbered): Ditto.
7361 (compute_may_aliases): Call compute_call_clobbered and grouping.
7362 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7363 (compute_flow_insensitive_aliasing): Grouping now happens in our
7365 (setup_pointers_and_addressables): Remove clobbering related code.
7366 (add_may_alias): Ditto.
7367 (replace_may_alias): Ditto.
7368 (get_nmt_for): Ditto.
7369 (create_global_var):
7370 (is_escape_site): Return an escape_type enumeration.
7371 * tree-flow-inline.h (is_call_clobbered): Global var does not
7372 imply call clobbered.
7373 (mark_call_clobbered): Take a reason for marking this. Remove
7374 marking of globalness, and cache invalidation.
7375 (clear_call_clobbered): Remove cache invalidation code.
7376 * tree-dfa.c (dump_variable): If details is on, dump the reason
7378 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7380 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7381 (struct var_ann_d): Ditto.
7382 (enum escape_type): New.
7383 (mark_call_clobbered): Adjust prototype.
7384 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7385 are never call clobbered.
7386 Record reasons for escaping.
7387 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7388 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7389 (ssa_ro_call_cache_valid): Ditto.
7390 (clobbered_v_may_defs): Ditto.
7391 (clobbered_vuses): Ditto.
7392 (ro_call_vuses): Ditto.
7393 (clobber_stats): New.
7394 (init_ssa_operands): Zero out clobber stats.
7395 (fini_ssa_operands): Print out clobber stats.
7396 (get_call_expr_operands): Pass callee fndecl to
7398 (add_call_clobber_ops): Remove use of cache.
7399 Add use of PURE_CONST information.
7400 (add_call_read_ops): Remove use of cache.
7401 Add use of static not_read information.
7403 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7405 Introduce TLS descriptors for i386 and x86_64.
7406 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7407 (TARGET_ANY_GNU_TLS): New macro.
7408 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7409 (struct machine_function): Add tls_descriptor_call_expanded_p.
7410 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7411 (ix86_current_function_calls_tls_descriptor): Likewise.
7412 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7413 (override_options): Introduce gnu2 tls dialect.
7414 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7416 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7418 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7419 (ix86_init_machine_status): Initialize new field.
7420 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7421 (ix86_tls_module_base): New.
7422 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7423 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7424 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7425 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7426 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7427 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7428 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7429 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7430 * config/i386/predicates.md (tls_modbase_operand): New.
7431 (tp_or_register_operand): New.
7433 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7435 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7436 (look_for_address_of): Ditto.
7437 (ipa_init): Walk the function decls.
7438 (static_execute): Don't set readonly on FUNCTION_DECL's.
7440 2006-01-18 Roger Sayle <roger@eyesopen.com>
7442 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7443 for shifts where the source and destination registers are different.
7445 2006-01-18 Paul Brook <paul@codesourcery.com>
7447 Merge from csl-arm-branch.
7448 2005-03-14 Julian Brown <julian@codesourcery.com>
7449 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7450 (aeabi_llsl): Likewise.
7451 (ashrdi3): Likewise.
7452 (aeabi_lasr): Likewise.
7453 (lshrdi3): Likewise.
7454 (aeabi_llsr): Likewise.
7455 2005-03-10 Julian Brown <julian@codesourcery.com>
7456 * config.gcc: Disable shared libgcc for SymbianOS.
7457 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7459 2006-01-18 DJ Delorie <dj@redhat.com>
7461 * c-pragma.c (handle_pragma_diagnostic): New.
7462 (init_pragma): Register it.
7463 * doc/extend.texi: Document it.
7465 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7466 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7467 (diagnostic_context): Add classify_diagnostic[].
7468 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7469 as errors if they're overridden to DK_WARNING.
7470 (diagnostic_initialize): Initialize classify_diagnostic[].
7471 (diagnostic_set_kind_override): New.
7472 (diagnostic_report_diagnostic): Check for kind changes.
7473 * opts.c (common_handle_option): Take lang_mask. Update callers.
7475 * common.opt (Werror=): New.
7476 * doc/invoke.texi: Document -Werror=*
7478 2006-01-18 Jeff Law <law@redhat.com>
7480 * tree-vrp.c (test_for_singularity): Correct test for new
7481 min limit. Use operand_equal_p rather than pointer equality
7482 for testing if new min/max values are equal.
7484 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7485 using range information until after propagation and folding.
7487 2006-01-18 Richard Henderson <rth@redhat.com>
7488 Aldy Hernandez <aldyh@redhat.com>
7489 Jakub Jelinek <jakub@redhat.com>
7490 Diego Novillo <dnovillo@redhat.com>
7492 * omp-low.c: New file.
7493 * c-omp.c: New file.
7495 2006-01-18 Richard Henderson <rth@redhat.com>
7496 Jakub Jelinek <jakub@redhat.com>
7497 Diego Novillo <dnovillo@redhat.com>
7499 * doc/invoke.texi: Document -fopenmp.
7500 * tree-dump.h (debug_function): Declare.
7501 * hooks.c (hook_bool_tree_bool_false): New function.
7502 (hook_tree_tree_null): Remove.
7503 (hook_tree_tree_tree_null): New.
7504 * hooks.h: Update to match.
7505 * tree-pretty-print.c (debug_tree_chain): New.
7506 (print_generic_expr): Handle TDF_CHAIN.
7507 (dump_generic_node): Handle BLOCK.
7508 Do not abort with incomplete SWITCH_EXPRs.
7509 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7510 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7511 print space after directive name.
7512 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7513 Handle OMP_MASTER and OMP_ORDERED.
7514 Handle printing of OMP_BODY just in one place, goto
7515 dump_omp_body in the rest of OMP_* nodes that have
7517 Don't handle clause nodes here. Update omp statements to
7518 use dump_omp_clauses.
7519 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7520 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7521 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7522 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7523 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7524 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7525 Adjust output for GOMP_PARALLEL.
7526 (dump_omp_clauses): New.
7527 (print_declaration): Dump DECL_VALUE_EXPR.
7528 (op_symbol_1): Split out of op_symbol.
7529 (dumping_stmts): Remove. Update all users.
7530 * cgraph.c (cgraph_analyze_queue): New.
7531 (cgraph_add_new_function): New.
7532 * cgraph.h (cgraph_analyze_queue): Declare.
7533 (cgraph_add_new_function): Declare.
7534 (cgraph_lower_function): Remove.
7535 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7536 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7537 and TYPE_P nodes in its default clause.
7538 (empty_body_p): New.
7539 (tree_range_check_failed): New.
7541 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7542 OMP_CLAUSE_REDUCTION_MERGE,
7543 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7544 OMP_CLAUSE_PRIVATE_DEBUG,
7545 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7546 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7547 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7548 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7549 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7550 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7551 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7552 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7553 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7554 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7555 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7556 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7557 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7558 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7559 (TREE_RANGE_CHECK): New.
7560 (empty_body_p): Declare.
7561 (enum omp_clause_default_kind): New.
7562 (build_string_literal): Declare.
7563 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7564 (build5_stat, build5): Declare.
7565 * tree-pass.h (TDF_CHAIN): Define.
7566 * tree-pass.h (PROP_gimple_lomp): Define.
7567 (pass_lower_omp): Declare.
7568 * diagnostic.h (debug_tree_chain): Declare.
7569 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7571 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7572 * builtins.c (build_string_literal): Make extern.
7573 * gcc.c (include_spec_function): New.
7574 (static_spec_functions): Add it.
7575 (main): Move load of libgomp.spec ...
7576 (LINK_COMMAND_SPEC): ... here.
7577 (link_gomp_spec): New.
7578 (static_specs): Include it.
7579 (LINK_COMMAND_SPEC): Add link_gomp.
7580 (GOMP_SELF_SPECS): New.
7581 (driver_self_specs): Include it.
7582 (switch_matches): Don't mark inline.
7583 (main): Load libgomp.spec.
7584 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7585 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7586 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7587 * tree-gimple.h (enum omp_parallel): Declare.
7588 (determine_parallel_type): Declare.
7589 (omp_firstprivatize_variable): Declare.
7590 (omp_reduction_init): Declare.
7591 (diagnose_omp_structured_block_errors): Declare.
7592 (struct walk_stmt_info): Add want_return_expr.
7593 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7594 (find_omp_clause): Declare.
7595 (insert_field_into_struct): Declare.
7596 (struct walk_stmt_info): Move from tree-nested.c
7597 (walk_stmts): Declare.
7598 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7600 * cgraphunit.c (cgraph_lower_function): Make static.
7601 (cgraph_finalize_pending_functions): New.
7602 (cgraph_finalize_function): Call it.
7603 (cgraph_finalize_compilation_unit): Likewise.
7604 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7605 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7606 (BT_FN_UINT_UINT): New.
7607 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7608 DEF_FUNCTION_TYPE_VAR_4): Document.
7609 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7610 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7611 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7612 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7613 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7614 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7615 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7616 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7617 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7618 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7619 into separate files.
7620 (DEF_GOMP_BUILTIN): New.
7621 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7622 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7623 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7624 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7625 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7626 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7627 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7628 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7629 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7630 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7631 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7632 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7633 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7634 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7635 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7636 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7637 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7638 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7639 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7640 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7641 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7642 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7643 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7644 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7645 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7646 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7647 * sync-builtins.def: New file, moved from builtins.def.
7648 * omp-builtins.def: New file, moved from builtins.def.
7649 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7650 * gimple-low.c (lower_function_body): Clear data.
7651 (lower_stmt): Do not handle COMPOUND_EXPR.
7652 Remove call to print_node_brief.
7653 * c-tree.h (c_finish_omp_clauses): New prototype.
7654 (C_DECL_THREADPRIVATE_P): Define.
7655 (lookup_name_no_remap, c_omp_remap_private): Remove
7656 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7657 (check_for_loop_decls): Update decl.
7658 (lookup_name_no_remap, c_omp_remap_private): Declare.
7659 (build_indirect_ref, build_modify_expr, pushdecl,
7660 pushdecl_top_level): Move to c-common.h.
7661 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7662 before the switch, but just in the 2 places that need it.
7663 * c-decl.c (diagnose_mismatched_decls): Do not check for
7664 mismatched thread-local attributes when OLDDECL is marked
7665 threadprivate and NEWDECL has no thread-local attributes.
7666 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7667 (c_gimple_diagnostics_recursively): Rename from
7668 c_warn_unused_result_recursively. Invoke
7669 diagnose_omp_structured_block_errors.
7670 (check_for_loop_decls): Return a singular decl found.
7671 * langhooks.c (lhd_omp_predetermined_sharing): Return
7672 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7673 (lhd_omp_firstprivatize_type_sizes): New.
7674 (lhd_omp_assignment): New.
7675 (lhd_omp_predetermined_sharing): New.
7676 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7677 (struct lang_hooks_for_types): Add
7678 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7679 omp_predetermined_sharing, omp_disregard_value_expr,
7680 omp_private_debug_clause, omp_clause_default_ctor,
7681 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7682 (c_finish_omp_clauses): New.
7683 (c_finish_bc_stmt): Diagnose break within omp for.
7684 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7685 (build_unary_op): Return error_mark after reporting
7687 (build_modify_expr): Likewise.
7688 * gimplify.c: Include optabs.h and pointer-set.h.
7689 (enum gimplify_omp_var_data): Declare.
7690 (struct gimplify_omp_ctx): Declare.
7691 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7693 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7694 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7695 (splay_tree_compare_decl_uid): New.
7696 (new_omp_context): New.
7697 (delete_omp_context): New.
7698 (gimple_add_tmp_var): Call omp_add_variable.
7699 (gimplify_bind_expr): Likewise.
7700 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7701 true, disregard DECL_VALUE_EXPR on the decl if any.
7702 (gimplify_expr_in_ctx): New.
7703 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7704 omp_add_variable, omp_notice_variable, omp_is_private
7705 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7706 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7707 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7708 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7709 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7710 gimplify_omp_atomic): New.
7711 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7712 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7713 OMP_CRITICAL and OMP_ATOMIC.
7714 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7715 * c-pragma.h (enum pragma_kind): Add
7716 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7717 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7718 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7719 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7720 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7721 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7722 PRAGMA_OMP_THREADPRIVATE.
7723 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7724 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7725 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7726 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7727 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7728 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7729 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7730 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7731 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7732 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7733 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7734 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7735 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7737 (struct nesting_info): Add field_map,
7738 suppress_expansion, debug_var_chain.
7739 (create_nesting_tree): Initialize them.
7740 (lookup_field_for_decl): Use field_map.
7741 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7742 (convert_local_omp_clauses): New.
7743 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7744 (walk_body): Split out of walk_function.
7745 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7746 (convert_nonlocal_reference): Handle omp statements.
7747 (convert_local_reference): Likewise.
7748 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7749 (unnest_nesting_tree): New.
7750 (lower_nested_functions): Call it.
7751 (insert_field_into_struct): Make extern.
7752 (struct walk_stmt_info): Move to tree-gimple.h.
7753 (walk_stmts): Make extern.
7754 * omp-builtins.def: New file.
7755 * tree-iterator.c (expr_only): Clarify comment.
7756 * c-common.h (pushdecl_top_level, pushdecl,
7757 build_modify_expr, build_indirect_ref,
7758 c_finish_omp_master, c_finish_omp_critical,
7759 c_finish_omp_ordered, c_finish_omp_barrier,
7760 c_finish_omp_atomic, c_finish_omp_flush,
7761 c_finish_omp_for, c_split_parallel_clauses,
7762 omp_clause_default_kind, c_omp_sharing_predetermined,
7763 c_omp_remap_decl): Declare.
7764 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7765 (OBJS-common): Add omp-low.o.
7766 (c-omp.o, omp-low.o): Add.
7767 (gimplify.o): Add dependency on $(OPTABS_H).
7768 (GTFILES): Add omp-low.c.
7769 (gt-stringpool.h): Add.
7770 * tree-cfg.c (set_bb_for_stmt): Do not update the
7771 block-to-labels map if we are currently expanding to RTL.
7772 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7774 Handle IDENTIFIER_NODE.
7775 (tree_verify_flow_info): Do not ICE when emitting error
7776 messages about invalid labels.
7777 (dump_function_to_file): Reset CFUN before emitting the body
7779 (debug_function): New.
7780 * passes.c (init_optimization_passes): Schedule
7782 * langhooks-def.h (lhd_omp_predetermined_sharing,
7783 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7785 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7786 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7787 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7788 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7789 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7790 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7791 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7792 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7793 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7794 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7795 (LANG_HOOK_DECLS): Use them.
7797 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7798 Richard Henderson <rth@redhat.com>
7799 Jakub Jelinek <jakub@redhat.com>
7800 Diego Novillo <dnovillo@redhat.com>
7802 * c-parser.c (pragma_omp_clause): Define.
7803 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7804 (c_parser_compound_statement): Likewise.
7805 (c_parser_statement): Likewise.
7806 (c_parser_pragma): Handle omp pragmas.
7807 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7808 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7809 (c_parser_omp_clause_name, check_no_duplicate_clause,
7810 c_parser_omp_variable_list,
7811 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7812 c_parser_omp_clause_copyprivate,
7813 c_parser_omp_clause_default,
7814 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7815 c_parser_omp_clause_lastprivate,
7816 c_parser_omp_clause_nowait,
7817 c_parser_omp_clause_num_threads,
7818 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7819 c_parser_omp_clause_reduction,
7820 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7821 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7822 c_parser_omp_atomic, c_parser_omp_barrier,
7823 c_parser_omp_critical, c_parser_omp_flush,
7824 c_parser_omp_for_loop, c_parser_omp_for,
7825 c_parser_omp_master, c_parser_omp_ordered,
7826 c_parser_omp_sections_scope, c_parser_omp_sections,
7827 c_parser_omp_parallel, c_parser_omp_single,
7828 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7829 * c-pragma.c (init_pragma): Do omp pragma registration here.
7830 * c.opt (fopenmp): New flag.
7832 2006-01-18 Eric Christopher <echristo@apple.com>
7834 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7835 * config/darwin.h (GOMP_SELF_SPECS): Define.
7837 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7839 * rtl.h: Remove the prototype for reg_alloc.
7841 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7844 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7845 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7846 sjlj and dwarf2 exception handling.
7847 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7848 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7849 * pa/pa.c (function_value): Treat complex and vector types as
7851 (function_arg): Likewise. Only pass scalar floats in the floating
7852 point argument registers.
7853 * pa/t-slibgcc-dwarf-ver: New file.
7854 * pa/t-slibgcc-sjlj-ver: New file.
7855 * pa/t-slibgcc-elf-ver: Delete file.
7857 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7859 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7860 unlikely_test_section_p test.
7862 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7864 * mode-switching.c (optimize_mode_switching): Make it static.
7865 * basic-block.h: Remove the prototype for
7866 optimize_mode_switching.
7868 * modulo-sched.c (sms_schedule): Make it static.
7869 * rtl.h: Remove the prototype for sms_schedule.
7871 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7872 * rtl.h: Remove the prototype for gcse_after_reload_main.
7874 * reg-stack.c (reg_to_stack): Make it static.
7875 * rtl.h: Remove the prototype for reg_to_stack.
7877 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7879 * rtl.h: Remove the prototypes for regrename_optimize and
7880 copyprop_hardreg_forward.
7882 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7884 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7885 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7886 Test against the appropriate null constant for the mode.
7887 If 'fixup_overlap' is true, swap the operands if they overlap.
7888 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7889 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7890 alpha_split_tmode_pair and adjust for above change.
7891 * config/alpha/alpha.md (movtf_internal): Adjust call to
7892 alpha_split_tfmode_pair and rely on it to swap the operands.
7893 (movti_internal): New insn and post-reload splitter.
7894 (movti): New expander.
7896 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7898 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7901 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7903 * rtlanal.c (global_reg_mentioned_p_1,
7904 global_reg_mentioned_p): Remove.
7905 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7907 * flow.c (initialize_uninitialized_subregs): Make it static.
7908 * rtl.h: Remove the prototype for
7909 initialize_uninitialized_subregs.
7911 * function.c (instantiate_virtual_regs): Make it static.
7912 * function.h: Remove the prototype for
7913 instantiate_virtual_regs.
7915 * regmove.c (regmove_optimize, combine_stack_adjustments):
7917 * rtl.h: Remove the prototypes for regmove_optimize and
7918 combine_stack_adjustments.
7920 2006-01-17 Roger Sayle <roger@eyesopen.com>
7922 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7923 (size_cost): Encode costs in bytes so that a reg-reg addition is
7924 equivalent to COSTS_N_INSNS(1).
7925 (override_options): Use the size_cost.branch_cost as the default
7926 ix86_branch_cost when optimizing for size.
7928 2006-01-18 Ben Elliston <bje@au.ibm.com>
7930 * Makefile.in (D32PBIT_FUNCS): New.
7931 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7932 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7933 D64PBIT_FUNCS and D128PBIT_FUNCS.
7934 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7935 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7937 (decnumber_dep): Define.
7938 * doc/libgcc.texi (Decimal float library routines): New node.
7939 * config/dfp-bit.h, config/dfp-bit.c: New files.
7941 2006-01-18 Ben Elliston <bje@au.ibm.com>
7943 * expr.c (emit_move_change_mode): Always adjust addresses, not
7944 just during reload. Copy replacements only during reload.
7945 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7946 emit_move_via_integer.
7948 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7950 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7951 instead of $(srcdir) and ${srcdir}.
7953 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7957 * arm.h (struct machine_function): Add pic_reg.
7958 * arm.c (arm_pic_register): Make unsigned.
7959 (arm_override_options): Only set arm_pic_register if
7960 TARGET_SINGLE_PIC_BASE.
7961 (use_return_insn): Only test for a pic register if it is fixed.
7962 (arm_compute_save_reg0_reg12_mask): Likewise.
7963 (thumb_compute_save_reg_mask): Likewise.
7964 (legitimate_pic_operand): Factor out some known invariants.
7965 (legitimize_pic_address): If we don't have a fixed pic register,
7966 then set up a pseudo in the function entry sequence. Handle the
7967 pic base being in a pseudo.
7968 (arm_load_pic_register): Handle the pic register being in a pseudo.
7969 (arm_expand_prologue): Only set up the pic register if it is fixed.
7970 (thumb_expand_prologue): Likewise.
7971 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7972 (pic_load_addr_based_insn): Likewise.
7973 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7976 2006-01-18 Ben Elliston <bje@au.ibm.com>
7978 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7979 decimal float modes for all floating point registers.
7981 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7982 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7984 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7987 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7988 even when the pointer is not NULL.
7990 2006-01-16 Ian Lance Taylor <ian@airs.com>
7992 * common.opt (ftoplevel-reorder): New option.
7993 * cgraph.c (cgraph_asm_nodes): New global variable.
7994 (cgraph_asm_last_node): New static variable.
7995 (cgraph_order): New global variable.
7996 (cgraph_create_node): Set new order field.
7997 (cgraph_varpool_node): Likewise.
7998 (decide_is_variable_needed): Return true if not
7999 flag_toplevel_reorder.
8000 (cgraph_add_asm_node): New function.
8001 * cgraph.h (struct cgraph_node): Add order field.
8002 (struct cgraph_varpool_node): Add order field.
8003 (struct cgraph_asm_node): Define.
8004 (cgraph_asm_nodes, cgraph_order): Declare.
8005 (cgraph_add_asm_node): Declare.
8006 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8008 (cgraph_varpool_assemble_pending_decls): Call it.
8009 (cgraph_output_pending_asms): New static function.
8010 (cgraph_finalize_compilation_unit): Call it.
8011 (struct cgraph_order_sort): Define.
8012 (cgraph_output_in_order): New static function.
8013 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8014 !flag_toplevel_reorder case.
8015 * c-parser.c: Include "cgraph.h".
8016 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8018 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8019 than -fno-unit-at-a-time.
8020 * doc/invoke.texi (Option Summary): Mention
8021 -fno-toplevel-reorder.
8022 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8023 -funit-at-a-time documentation.
8025 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8026 Kazu Hirata <kazu@codesourcery.com>
8028 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8030 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8032 * Makefile.in (FUNCTION_H): New. Use it instead of
8033 function.h throughout the file.
8034 * function.h: Include tree.h.
8036 2006-01-17 Ben Elliston <bje@au.ibm.com>
8038 * recog.c: Separate some functions with whitespace.
8040 2006-01-16 Richard Henderson <rth@redhat.com>
8042 Merge from gomp branch:
8043 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8044 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8045 and rename from struct inline_data. Rename callee* to dst*;
8046 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8047 transform_new_cfg, transform_return_to_modify, and
8048 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8050 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8051 (copy_decl_for_dup): Remove.
8052 * tree-inline.c (struct inline_data): Move to header.
8053 (insert_decl_map): Export.
8054 (remap_decl): Update for member name changes. Use copy_decl hook.
8055 Allow for replacement to be a non-decl. Remove dead code.
8056 (remap_type_1): Check for existing mapping.
8057 (remap_type): Export.
8058 (remap_decls): Update for member name changes.
8059 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8060 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8061 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8062 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8063 (tree_function_versioning, build_duplicate_type): Likewise.
8064 (copy_body_r): Likewise. Export.
8065 (copy_decl_for_dup): Split into ...
8066 (copy_decl_for_dup_finish, copy_decl_to_var,
8067 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8068 (replace_ref_tree, inlining_p): Remove.
8070 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8072 * ifcvt.c (if_convert): Make it static.
8073 * rtl.h: Remove the prototype for if_convert.
8075 * local-alloc.c (local_alloc): Make it static.
8076 * rtl.h: Remove the prototype for local_alloc.
8078 * loop.c (loop_optimize): Make it static.
8079 * cfgloop.h: Remove the prototype for loop_optimize.
8082 2006-01-16 DJ Delorie <dj@redhat.com>
8084 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8087 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8089 * pa.md: Disparage copies between general and floating-point registers
8090 in 32-bit move patterns.
8092 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8095 * Makefile.in (check-%): Depend on site.exp instead of
8096 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8099 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8101 * global.c (global_alloc): Make it static.
8102 * rtl.h: Remove the prototype for global_alloc.
8104 2006-01-16 Richard Guenther <rguenther@suse.de>
8106 * tree-ssa-alias.c (struct used_part): Add write_only field.
8107 (get_or_create_used_part_for): Initialize it to true.
8108 (create_overlap_variables_for): Don't create structure variables
8109 for structures that only are written to.
8110 (find_used_portions): Handle MODIFY_EXPR to track whether a
8111 structure is only written to.
8113 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8115 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8117 * basic-block.h: Remove the prototype for
8118 partition_hot_cold_basic_blocks.
8120 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8122 * cppspec.c (lang_specific_spec_functions): Remove.
8123 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8124 * gcc.h (lang_specific_spec_functions): Remove.
8125 * gccspec.c (lang_specific_spec_functions): Remove.
8127 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8129 * combine.c (record_value_for_reg): Invalidate registers
8131 (record_dead_and_set_regs_1): Likewise, by passing them to
8132 record_value_for_reg.
8133 (record_dead_and_set_regs): Invalidate stores made by a
8134 call. We do not combine across a call, but we still
8135 relied on equivalences.
8137 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8139 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8140 vrp_int_const_binop returning non-constant nodes.
8142 2006-01-16 Paul Brook <paul@codesourcery.com>
8144 * config/m68k/m68k.c (output_move_const_into_data_reg):
8145 Output correct mnemonic for mvz and mvs.
8147 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8149 * rtl-factoring.c: Add sequence abstraction algorithm.
8150 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8151 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8153 (block_has_preserve_label): New function.
8154 * common.opt: Register new pass.
8155 * Makefile.in: Ditto.
8157 * timevar.def: Ditto.
8158 * tree-pass.h: Ditto.
8159 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8160 * rtl.h (make_jump_insn_raw): Add forward decl.
8161 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8163 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8164 Roger Sayle <roger@eyesopen.com>
8166 * fold-const.c (fold_minmax): New static function.
8167 (fold_binary) <MIN_EXPR>: Call it.
8168 <MAX_EXPR>: Likewise.
8169 * stor-layout.c (place_field): Use DECL_SIZE consistently
8170 in the computation of the new record size.
8172 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8174 * cse.c (cse_condition_code_reg): Make it static.
8175 * rtl.h: Remove the prototype for cse_condition_code_reg.
8177 * combine.c (combine_instructions): Make it static.
8178 * rtl.h: Remove the prototype for combine_instructions.
8180 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8183 * tree.c (get_file_function_name_long): Concatenate the first global
8184 object name with a string derived from the input filename of the object
8187 2006-01-16 Ben Elliston <bje@au.ibm.com>
8189 * config/i386/winnt-stubs.c: Update FSF address.
8190 * config/xtensa/ieee754-df.S: Ditto.
8191 * config/xtensa/ieee754-sf.S: Ditto.
8193 2006-01-14 Ian Lance Taylor <ian@airs.com>
8195 * ifcvt.c (noce_init_if_info): New static function, broken out of
8196 noce_process_if_block.
8197 (noce_process_if_block): Call noce_init_if_info.
8198 (check_cond_move_block): New static function.
8199 (cond_move_process_if_block): New static function.
8200 (process_if_block): Call cond_move_process_if_block.
8202 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8204 * cselib.c (hash_table): Rename to cselib_hash_table.
8205 (cselib_clear_table, discard_useless_values,
8206 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8207 cselib_init, cselib_finish): Adjust uses of hash_table.
8209 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8211 PR tree-optimization/25485
8212 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8213 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8214 is known to be false and true, respectively.
8216 2006-01-14 Richard Guenther <rguenther@suse.de>
8218 PR tree-optimization/22548
8219 PR tree-optimization/22555
8220 PR tree-optimization/22501
8221 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8222 * params.def (salias-max-array-elements): New parameter.
8223 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8224 * doc/invoke.texi (salias-max-array-elements): Document.
8225 * tree-flow-inline.h (var_can_have_subvars): We also handle
8227 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8229 * tree-ssa-structalias.c (params.h): Include.
8230 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8231 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8232 (get_constraint_for): For ADDR_EXPR operating on something
8233 containing an ARRAY_REF, add all subvars to the solution.
8234 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8235 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8236 for creating MUST_DEFs.
8237 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8239 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8241 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8243 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8244 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8245 number_of_iterations_le): New functions.
8246 (number_of_iterations_special): Removed.
8247 (number_of_iterations_exit): Do not use number_of_iterations_special.
8248 * tree.c (unsigned_type_for): Always return integer type.
8250 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8251 Richard Guenther <rguenther@suse.de>
8253 PR rtl-optimization/24257
8254 * gcse.c (find_moveable_store): Only consider a store movable
8255 when the SET_SRC of the insn can be assigned to a register.
8257 2006-01-14 Ian Lance Taylor <ian@airs.com>
8259 * tree.c (tree_not_class_check_failed): New function.
8260 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8261 (tree_not_class_check_failed): Declare.
8263 2006-01-13 Ian Lance Taylor <ian@airs.com>
8265 * reload1.c (do_output_reload): Add assertion rejecting a
8268 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8270 * combine.c (struct reg_stat): Add new fields truncation_label and
8272 (record_value_for_reg): Reset truncated_to_mode.
8273 (record_truncated_value): New function.
8274 (check_promoted_subreg): Call it. Rename to check_conversions.
8275 (combine_instructions): Rename check_promoted_subreg to
8277 (reg_truncated_to_mode): New function.
8278 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8279 (gen_lowpart_or_truncate): New function.
8280 (force_to_mode): Use it instead of gen_lowpart.
8282 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8284 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8285 VAR is a tag, not its type tag.
8287 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8289 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8290 alternatives to match style of other entries.
8291 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8293 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8295 PR tree-optimization/25771
8296 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8299 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8302 * tree-inline.c (declare_return_variable): If the return variable
8303 was marked as a non gimple complex, set the return slot variable
8304 to be a non gimple comple variable.
8306 2006-01-13 Richard Guenther <rguenther@suse.de>
8308 * builtins.c (expand_builtin_sincos): New function.
8309 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8311 (expand_builtin): Expand sincos using expand_builtin_sincos.
8313 2006-01-12 DJ Delorie <dj@redhat.com>
8315 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8316 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8317 so that constant shifts can be split.
8318 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8319 (m32c_valid_pointer_mode): Make static.
8320 (shift_gen_func_for): New.
8321 (m32c_prepare_shift): Use it. Split large const shifts into
8323 * config/m32c/predicates.md (shiftcount_operand): Allow more
8325 (longshiftcount_operand): New.
8326 * doc/md.texi (Machine Constraints): Document In6.
8328 2006-01-13 Ben Elliston <bje@au.ibm.com>
8330 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8331 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8334 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8336 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8337 to try to avoid clobbering pieces of structures when we know
8338 something about the whole structure.
8339 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8341 2006-01-13 Ben Elliston <bje@au.ibm.com>
8343 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8344 return in memory, as this is no limitation is no longer present.
8346 2006-01-12 DJ Delorie <dj@redhat.com>
8348 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8349 mova with fb, and for fb+0 -> An.
8351 * config/m32c/mov.md (peephole2): Fix enabling logic.
8353 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8354 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8355 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8356 FINI_ARRAY_SECTION_ASM_OP): Define.
8358 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8360 (m32c_legitimize_reload_address): New logic to reload FB to An.
8361 (m32c_output_reg_push): Add newline.
8362 (m32c_output_reg_pop): Likewise.
8364 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8366 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8368 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8370 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8372 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8374 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8377 2006-01-11 Ben Elliston <bje@au.ibm.com>
8379 * rtlanal.c (find_reg_note): Assert insn is not null.
8381 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8383 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8386 2006-01-11 Jeff Law <law@redhat.com>
8388 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8390 (mark_threaded_blocks, register_jump_thread): New functions.
8391 (thread_through_all_blocks): Remove unwanted argument. No
8392 longer rely on e->aux to communicate thread target info.
8393 Call mark_threaded_blocks. Release the threaded_blocks
8394 bitmap and threaded_edges vector when complete.
8395 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8396 (threaded_blocks): Remove.
8397 (tree_ssa_dominator_optimize): Remove initialization and
8398 finalization of threaded_blocks. Simplify call to
8399 thread_through_all_blocks.
8400 (thread_across_edge): Call register_jump_thread rather than
8401 storing thread information into e->aux.
8402 (free_all_edge_infos): Simplify now that e->aux is no longer
8403 used to communicate with thread_through_all_blocks.
8404 * tree-flow.h (thread_through_all_blocks): Update prototype.
8405 (register_jump_thread): Prototype.
8407 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8409 * df-core.c (df_compact_blocks, df_bb_replace): Use
8410 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8412 2006-01-11 Richard Guenther <rguenther@suse.de>
8414 PR tree-optimization/25734
8415 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8416 stop propagation after successful propagation to the LHS.
8418 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8420 * basic-block.h (control_flow_graph): Change the type of
8421 x_basic_block_info to VEC(basic_block,gc) *.
8422 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8424 (SET_BASIC_BLOCK): New.
8425 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8426 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8427 * cfgbuild.c (find_basic_blocks): Likewise.
8428 * cfglayout.c (fixup_reorder_chain): Likewise.
8429 * cfgrtl.c (create_basic_block_structure,
8430 rtl_create_basic_block): Likewise.
8431 * ifcvt.c (find_if_case_1): Likewise.
8432 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8435 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8437 * Makefile.in: Removed rotted odf.c entry.
8439 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8442 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8443 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8444 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8445 output pattern modifier, not %e.
8446 * config/cris/cris.c (cris_op_str): Update comment about pattern
8448 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8449 before falling through into...
8450 <case 'E'>: Redefined from old 'e' case.
8452 2006-01-11 Jan Hubicka <jh@suse.cz>
8455 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8457 2006-01-11 Jan Hubicka <jh@suse.cz>
8459 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8460 * i386.c (x86_decompose_lea): Kill.
8461 (ix86_rtx_costs): Kill.
8463 2006-01-11 Jan Hubicka <jh@suse.cz>
8465 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8466 * cgraph.h (cgraph_node): Add inline_decl.
8467 (cgraph_insert_node_to_hashtable): Declare.
8468 (save_inline_function_body): Declare.
8469 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8471 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8472 (cgraph_function_versioning): Update call of tree_function_versioning.
8473 (save_inline_function_body): New function.
8474 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8475 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8476 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8477 (cgraph_default_inline_p): Likewise.
8478 (cgraph_decide_inlining_incrementally): Likewise.
8479 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8480 (copy_bb): Kill saving; do updating of clones.
8481 (copy_cfg_body): Kill saving.
8482 (initialize_inlined-parameters): Likewise.
8483 (expand_call_inline): Likewise.
8485 (tree_function_versioning): New parameter "update_clones".
8486 (inlining_p): Kill saving.
8487 * tree-inline.h (tree_function_versioning): Update prototype.
8488 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8491 2006-01-11 Ian Lance Taylor <ian@airs.com>
8493 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8494 Allow undoing set of machine mode.
8495 (do_SUBST): Use enums instead of is_int.
8496 (do_SUBST_MODE): New function.
8497 (SUBST_MODE): New macro.
8498 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8499 reg and trying to replace reg_regno_rtx with a new register.
8500 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8501 (simplify_set): Use SUBST_MODE.
8502 (distribute_notes): Remove code that tried to update reg notes
8503 for regno_reg_rtx changes.
8505 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8507 PR tree-optimization/23109
8508 PR tree-optimization/23948
8509 PR tree-optimization/24123
8511 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8512 * tree-cfg.c (single_noncomplex_succ): New.
8513 * tree-flow.h (single_noncomplex_succ): Declare it.
8514 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8515 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8516 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8517 insert_bb, register_division_in, insert_reciprocals,
8518 replace_reciprocal, free_bb): New.
8519 (execute_cse_reciprocals_1): Rewritten.
8520 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8521 Do not commit any edge insertion. Always compute dominators and
8522 create the allocation pool.
8523 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8524 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8525 * targhooks.c (default_min_divistions_for_recip_mul): New.
8526 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8527 * passes.c (init_optimization_passes): Run recip after tree loop
8529 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8531 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8532 Kenneth Zadeck <zadeck@naturalbridge.com>
8534 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8535 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8536 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8537 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8538 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8539 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8540 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8541 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8542 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8543 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8544 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8545 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8546 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8547 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8548 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8549 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8550 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8551 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8552 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8553 DF_SCAN_POST_ALLOC): New macros.
8554 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8555 df_free_bb_function, df_local_compute_function, df_init_function,
8556 df_dataflow_function, df_confluence_function_0,
8557 df_confluence_function_n, df_transfer_function,
8558 df_finalizer_function, df_free_function, df_dump_problem_function,
8559 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8560 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8561 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8562 df_urec_bb_info, ) New types.
8563 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8565 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8566 df_analyze_simple_change_some_blocks,
8567 df_analyze_simple_change_one_block, df_compact_blocks,
8568 df_bb_replace, df_bb_regno_last_use_find,
8569 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8570 df_insn_regno_def_p, df_find_def, df_find_use,
8571 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8572 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8573 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8574 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8575 debug_df_chain, df_get_dependent_problem, df_chain_create,
8576 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8577 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8578 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8579 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8580 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8581 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8582 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8583 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8584 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8585 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8586 df_reorganize_refs, df_set_state, df_hard_reg_init,
8587 df_read_modify_subreg_p) New public functions.
8588 * df-core.c: The core dataflow solver and glue routines for rtl
8590 (df_init, df_add_problem, df_set_blocks, df_finish,
8591 df_hybrid_search_forward, df_hybrid_search_backward,
8592 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8593 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8594 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8595 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8596 df_reg_defined, df_find_use, df_reg_used, df_dump,
8597 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8598 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8599 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8600 debug_df_useno, reset_df_after_reload): New functions.
8601 * df-scan.c: The scanning fuctions, once in df.c, completely
8602 rewritten so that they now fully model the functionality of
8603 register usage at the backend.
8604 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8605 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8606 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8607 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8608 df_get_artificial_defs, df_get_artificial_uses,
8609 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8610 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8611 df_refs_delete, df_reorganize_refs, df_set_state,
8612 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8613 df_def_record_1, df_defs_record, df_uses_record,
8614 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8615 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8616 df_record_exit_block_uses, df_hard_reg_init): New functions.
8618 * df-problems.c: Seven concrete dataflow problems that use the
8619 scanning in df-scan.c and are solved by the engine in df-core.c.
8620 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8621 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8622 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8623 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8624 df_ru_free_bb_info, df_ru_alloc,
8625 df_ru_bb_local_compute_process_def,
8626 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8627 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8628 df_ru_transfer_function, df_ru_free, df_ru_dump,
8629 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8630 df_rd_free_bb_info, df_rd_alloc,
8631 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8632 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8633 df_rd_transfer_function, df_rd_free, df_rd_dump,
8634 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8635 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8636 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8637 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8638 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8639 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8640 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8641 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8642 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8643 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8644 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8645 df_urec_mark_reg_use_for_earlyclobber,
8646 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8647 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8648 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8649 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8650 df_chain_create_bb_process_use, df_chain_create_bb,
8651 df_chain_finalize, df_chain_free, df_chains_dump,
8652 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8653 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8654 df_reg_lifetime): New functions.
8655 * df.c: Deleted file.
8656 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8657 consistent with new df api.
8658 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8659 rest_of_handle_sms): Ditto.
8660 * web.c (unionfind_union, union_defs, entry_register, web_main):
8662 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8663 invariant_expr_equal_p, find_defs, check_dependencies,
8664 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8665 free_inv_motion_data, move_loop_invariants): Ditto.
8666 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8667 Update dependencies.
8668 (odf.c): Added defective entry that was deleted later in day.
8669 * sched-deps.c (sched_analyze_1): Ditto.
8671 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8673 * tree-ssa-operands.c (get_expr_operands): Record addressable
8674 variables directly. Do not call add_stmt_operands for CONST_DECLs
8676 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8677 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8679 2006-01-11 Ben Elliston <bje@au.ibm.com>
8681 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8682 function returns true in the positive case.
8684 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8687 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8688 for SI, DI, SF and DF modes. Add alternatives to copy between
8689 general and floating point registers to the 32-bit patterns.
8690 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8691 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8692 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8693 generating 64-bit code.
8694 * config/pa/pa.c (output_move_double): Handle copies between general
8695 and floating registers.
8697 2006-01-10 Stuart Hastings <stuart@apple.com>
8699 * config/i386/i386.md (set_got): Update.
8700 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8701 (builtin_setjmp_receiver): Mach-O support.
8702 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8703 (GOT_SYMBOL_NAME): Define.
8704 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8705 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8706 * config/i386/i386.c (override_options): Revise for Darwin.
8707 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8708 support. (darwin_x86_file_end): New. (output_set_got): Add label
8709 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8710 * config/i386/i386-protos.h (output_set_got): Likewise.
8711 * config/darwin.c (machopic_legitimize_pic_address): Update
8714 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8716 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8717 when MODE isn't BLKmode.
8719 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8721 PR rtl-optimization/25367
8722 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8724 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8727 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8728 for a negative bound.
8730 2006-01-10 Richard Guenther <rguenther@suse.de>
8732 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8733 Never override with anything constraint.
8735 2006-01-10 Jan Beulich <jbeulich@novell.com>
8737 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8738 256 bits when optimize_size.
8740 2006-01-10 Jan Beulich <jbeulich@novell.com>
8742 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8744 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8745 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8748 2006-01-10 Ben Elliston <bje@au.ibm.com>
8750 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8752 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8753 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8754 (USE_FP_FOR_ARG): Reject decimal float modes.
8755 (function_arg_advance): Likewise.
8756 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8757 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8758 point types in AltiVec vectors.
8759 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8760 (rs6000_libcall_value): Likewise.
8762 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8764 * config/xtensa/ieee754-df.S: New file.
8765 * config/xtensa/ieee754-sf.S: New file.
8766 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8767 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8768 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8770 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8772 * config/sh/predicates.md (binary_float_operator,
8773 binary_logical_operator, commutative_float_operator,
8774 equality_comparison_operator, greater_comparison_operator,
8775 less_comparison_operator, logical_operator,
8776 noncommutative_float_operator, shift_operator,
8777 symbol_ref_operand, unary_float_operator): Remove redundant
8780 2006-01-09 Jeff Law <law@redhat.com>
8782 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8783 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8784 now unused arguments. Callers updated.
8785 (eliminate_redundant_computations): Remove now unused arguments,
8787 (local_fold): Remove, no longer used.
8788 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8790 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8791 (simplify_cond): New function.
8792 (forward_propagate_into_cond): Call simplify_cond.
8794 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8796 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8797 (*vec_extractv2di_1_sse): New.
8799 2006-01-09 Ben Elliston <bje@au.ibm.com>
8801 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8803 2006-01-08 Richard Guenther <rguenther@suse.de>
8805 * tree-ssa-structalias.c (get_constraint_for): Remove
8807 (get_constraint_for_component_ref): Likewise.
8808 (do_deref): Likewise.
8809 (get_constraint_for): Likewise.
8810 (do_structure_copy): Likewise.
8811 (handle_ptr_arith): Likewise.
8812 (find_func_aliases): Likewise. Remove unused need_anyoffset
8815 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8816 Kaz Kojima <kkojima@gcc.gnu.org>
8818 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8819 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8820 (EXTRA_CONSTRAINT_C16): Remove.
8821 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8822 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8823 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8824 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8825 constants of SHmedia. Handle nested constant expressions of
8827 (andcosts): Fix the costs for SHmedia constants.
8828 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8829 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8830 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8831 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8832 (movv4hi_i, movv2si_i): Likewise.
8833 (movsi_const): Adjust the second operand of ior so to match with
8835 (movdi_const, movdi_const_32bit): Likewise.
8836 (movdi_const_16bit+1): Don't sign-extend LOW.
8837 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8839 (*double_shori): Fix the split condition. Use GEN_INT instead
8840 of get_int_mode calls. Mask lower 16-bit of the argument of
8842 (sym2GOTPLT): Remove.
8843 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8845 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8846 instead of EXTRA_CONSTRAINT_C16.
8848 2006-01-07 Ian Lance Taylor <ian@airs.com>
8849 David Edelsohn <edelsohn@gnu.org>
8851 PR rtl-optimization/25662
8852 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8853 for constant operands instead of simplify_gen_binary.
8854 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8855 after trying simplify_binary_operation
8857 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8859 * tree.c (iterative_hash_expr): Hash decls based on UID.
8861 2006-01-06 Eric Christopher <echristo@apple.com>
8863 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8864 (TARGET_UNWIND_EMIT): Fix spelling.
8865 * target.h (gcc_target): Add except_table_label.
8866 * except.c (output_function_exception_table): Use.
8867 * varasm.c (default_emit_except_table_label): New.
8868 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8870 (asm_out): Add here.
8871 * output.h (default_emit_except_table_label): Prototype.
8872 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8873 * config/darwin.c (darwin_emit_except_table_label): Define.
8874 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8876 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8878 PR tree-optimization/18527
8879 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8880 number_of_iterations_special, number_of_iterations_exit):
8881 Move base and step of an iv to a single structure. Add
8882 no_overflow flag, and use it in # of iterations analysis.
8883 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8884 folded_casts argument.
8885 (simple_iv): Pass base and step in a structure. Set no_overflow
8887 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8888 Evaluate expensiveness of computing # of iterations instead of
8889 the final expression.
8890 * tree-scalar-evolution.h (affine_iv): New structure.
8891 (simple_iv): Declaration changed.
8892 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8893 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8894 find_givs_in_stmt): Changed due to simple_iv change.
8896 2006-01-06 Jeff Law <law@redhat.com>
8899 * tree-cfg.c (bsi_replace): Rename final argument from
8900 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8901 change (stmt -> orig_stmt).
8902 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8903 (bsi_remove): Add new argument. Remove EH information
8905 (verify_eh_throw_table_statements): New function.
8906 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8908 * tree-optimize.c (execute_free_cfg_annotations): Verify
8909 the EH throw statement table after removing annotations.
8910 * except.h (verify_eh_throw_table_statements): Prototype.
8911 * tree-flow.h (bsi_remove): Update prototype.
8912 * tree-vrp.c (remove_range_assertions): Add new argument to
8914 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8915 * tree-complex.c (expand_complex_div_wide): Likewise.
8916 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8917 * tree-tailcall.c (eliminate_tailcall): Likewise.
8918 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8919 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8920 * tree-nrv.c (tree_nrv): Likewise.
8921 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8922 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8923 (combine_blocks): Likewise.
8924 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8925 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8926 (cleanup_control_flow): Likewise.
8927 (remove_forwarder_block): Likewise.
8928 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8929 * tree-sra.c (sra_replace): Likewise.
8930 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8931 (forward_propagate_single_use_vars): Likewise.
8932 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8933 * tree-inline.c (expand_call_inline): Likewise.
8934 * tree-vect-transform.c (vect_transform_loop): Likewise.
8935 * tree-outof-ssa.c (rewrite_trees): Likewise.
8936 * tree-cfg.c (make_goto_expr_edges): Likewise.
8937 (cleanup_dead_labels): Likewise.
8938 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8939 (bsi_move_before, bsi_move_after): Likewise.
8940 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8941 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8943 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8946 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8948 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8949 on non gimple variables. Also add checks at the top for decls and
8951 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8953 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8954 and IMAGPART_EXPR for creating MUST_DEFs.
8955 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8956 and NAME_MEMORY_TAG separately from the DECLs.
8958 2006-01-06 Richard Guenther <rguenther@suse.de>
8960 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8961 annotation, if necessary.
8962 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8963 redundant calls to update_stmt.
8964 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8967 2006-01-05 Richard Henderson <rth@redhat.com>
8969 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8971 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8973 * c-typeck.c: Update copyright date.
8975 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8977 * c-typeck.c (build_c_cast): Always warn when casting
8978 from a pointer to an integer of different size, even if
8979 the node was constant.
8981 2006-01-05 Richard Guenther <rguenther@suse.de>
8983 PR tree-optimization/22555
8984 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8985 if one structure field is an array.
8986 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8987 operands even if we found a subvar, but ignore VOPs in this
8989 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8991 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8993 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8996 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8998 2006-01-05 Richard Guenther <rguenther@suse.de>
8999 Diego Novillo <dnovillo@redhat.com>
9001 * tree-pass.h (TODO_remove_unused_locals): Define.
9002 * gimple-low.c (expand_var_p, remove_useless_vars,
9003 pass_remove_useless_vars): Remove. Update all users.
9004 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9005 (remove_unused_locals): New function.
9006 * tree-flow.h (remove_unused_locals): Declare.
9007 * passes.c (execute_todo): Call remove_unused_locals if
9008 TODO_remove_unused_locals is set.
9009 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9010 * tree-ssa-dce.c (pass_dce): Likewise.
9011 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9013 2006-01-05 Richard Guenther <rguenther@suse.de>
9015 * tree-flow.h (struct fieldoff): Decompose field to
9016 type, size and decl.
9017 * tree-ssa-alias.c (create_sft): Take type as parameter.
9018 (create_overlap_variables_for): Store type, size and decl
9019 in the fieldoff structure.
9020 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9022 (push_fields_onto_fieldstack): Likewise.
9023 (create_variable_info_for): Likewise. Use offset for the
9024 SFT name if the decl is not available.
9026 2006-01-04 Paul Brook <paul@codesourcery.com>
9028 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9030 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9032 * lambda-code.c (can_put_in_inner_loop): Relax
9034 (can_put_after_inner_loop): New function.
9035 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9036 (perfect_nestify): Change to make copies and modify uses.
9038 2006-01-04 Richard Henderson <rth@redhat.com>
9040 Merge from gomp branch:
9041 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9042 via integer constant.
9043 (pragma_lex): Remove.
9044 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9045 rather than parsing it.
9046 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9047 handle_pragma_extern_prefix): Add %< %> quotes.
9048 (registered_pragmas): New.
9049 (c_register_pragma_1): New.
9050 (c_register_pragma): Use it.
9051 (c_register_pragma_with_expansion): Likewise.
9052 (c_invoke_pragma_handler): New.
9053 (init_pragma): Use cpp_register_deferred_pragma directly for
9055 * c-pragma.h (enum pragma_kind): New.
9056 (pragma_handler): New.
9057 (c_invoke_pragma_handler): Declare.
9058 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9060 * c-common.h (c_common_pch_pragma): Update decl.
9061 * Makefile.in (c-parser.o): Update dependencies.
9062 (GTFILES): Add c-pragma.h.
9063 * c-parser.c (struct c_token): Add pragma_kind.
9064 (struct c_parser): Add in_pragma.
9065 (c_lex_one_token): Always initialize keyword and pragma_kind.
9066 Extract data for CPP_PRAGMA.
9067 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9068 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9069 Don't allow CPP_PRAGMA_EOL if in_pragma.
9070 (c_parser_consume_pragma): New.
9071 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9072 (c_parser_skip_to_end_of_parameter): Likewise.
9073 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9074 (c_parser_skip_to_pragma_eol): New.
9075 (c_parser_external_declaration): Handle CPP_PRAGMA.
9076 (c_parser_compound_statement_nostart): Likewise.
9077 (c_parser_statement_after_labels): Likewise.
9078 (c_parser_pragma): New.
9079 (pragma_lex): Likewise.
9080 (c_parser_pragma_pch_preprocess): New.
9081 (c_parser_new): Merge into ...
9082 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9084 2006-01-04 Jeff Law <law@redhat.com>
9087 * tree-cfg.c (bsi_replace): Remove the original statement
9088 from the EH throw statement table.
9090 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9092 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9093 make the prototype extern "C" and add throw ().
9096 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9097 and pos non-negative and pos + len <= 32.
9098 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9099 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9100 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9103 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9104 as well as sizes not multiple of component size.
9107 * function.c (instantiate_expr): New function.
9108 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9109 walk its DECL_VALUE_EXPR with instantiate_expr.
9111 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9112 DW_OP_deref{,_size} if address isn't going to be added.
9114 2006-01-04 Ben Elliston <bje@au.ibm.com>
9116 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9117 * config/fp-bit.c: Likewise.
9119 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9121 * dominance.c: Add comment about why we use DFS numbering
9124 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9125 Richard Henderson <rth@redhat.com>
9127 Merge from gomp-branch:
9128 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9129 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9131 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9133 PR rtl-optimization/25578
9134 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9135 pass a parameter to simplify_shift_const if changing ASHIFTRT
9138 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9140 * builtins.c (get_builtin_sync_mem): New function.
9141 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9142 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9143 Call get_builtin_sync_mem to generate mem rtx.
9145 2006-01-03 Richard Guenther <rguenther@suse.de>
9148 * stmt.c (add_case_node): Make sure to clear overflow flags
9151 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9153 Merge from gomp-branch.
9154 * config/sparc/sync.md: New file.
9155 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9156 UNSPECV_LDSTUB): New constants.
9157 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9158 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9159 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9162 2006-01-03 Roger Sayle <roger@eyesopen.com>
9164 * combine.c (reg_subword_p): New predicate to test whether the
9165 destination of a set refers to a subword/piece of a register.
9166 (try_combine): Generalize the code to merge the setting of a
9167 pseudo to a constant followed by a set of a subword of that
9168 register to a constant.
9170 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9172 * basic-block.h (control_flow_graph): Change the type of
9173 x_label_to_block_map to VEC(basic_block,gc) *.
9174 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9175 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9177 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9178 VEC(basic_block,heap) *.
9179 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9180 ssa_prop_fini): Adjust the uses of cfg_blocks.
9182 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9184 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9186 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9187 hashing trees instead of a pointer hash.
9188 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9189 compare for MEM_EXPR.
9191 PR rtl-optimization/25130
9192 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9193 when comparing MEMs for GCSE
9195 2006-01-03 Ben Elliston <bje@au.ibm.com>
9197 * targhooks.h (default_decimal_float_supported_p): Declare.
9198 * targhooks.c (default_decimal_float_supported_p): Define.
9199 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9200 `default_decimal_float_supported_p'.
9201 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9203 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9205 * combine.c (apply_distributive_law <SUBREG>): Check
9206 TRULY_NOOP_TRUNCATION.
9208 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9210 * dwarf2out.c (have_switched_text_section): Delete.
9211 (have_multiple_function_sections): New.
9212 (have_location_lists): Make 'bool'.
9213 (add_AT_loc_list): Use 'true' not '1'.
9214 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9215 (output_loc_list): Use have_multiple_function_sections.
9216 (output_ranges): Likewise.
9217 (dwarf2out_begin_function): Set have_multiple_function_sections if
9219 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9220 Check function_section rather than DECL_SECTION_NAME.
9221 (dwarf2out_finish): Use have_multiple_function_sections.
9222 Don't clear have_location_lists.
9224 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9225 Jan Hubicka <jh@suse.cz>
9227 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9228 case of conditional jump jumping to the next instruction.
9229 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9230 cases of conditional jump jumping to the next instruction.
9232 2006-01-02 Jan Hubicka <jh@suse.cz>
9234 * i386.c (*_cost): Add COSTS_N_INSNS.
9235 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9237 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9240 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9242 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9244 * config/arm/arm.c (all_fpus): Fix comment typo.
9245 * config/darwin.c: Likewise.
9246 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9247 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9248 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9250 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9252 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9253 (rs6000_split_compare_and_swapqhi): New.
9254 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9255 (sync_compare_and_swapqhi_internal): New.
9256 * config/rs6000/rs6000-protos.h: Declare.
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