1 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6 build/genextract.o): Depend on vecprim.h.
7 * cfglayout.c, df-problems.c, function.c, genextract.c,
8 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
13 2006-04-10 Geoffrey Keating <geoffk@apple.com>
15 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
16 Declare VECs of this type.
17 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
18 (remove_children): Delete.
19 (add_dwarf_attr): Use VEC routines.
20 (add_AT_flag): Update for changes to add_dwarf_attr.
21 (add_AT_int): Likewise.
22 (add_AT_unsigned): Likewise.
23 (add_AT_long_long): Likewise.
24 (add_AT_vec): Likewise.
25 (add_AT_string): Likewise.
26 (add_AT_die_ref): Likewise.
27 (add_AT_fde_ref): Likewise.
28 (add_AT_loc): Likewise.
29 (add_AT_loc_list): Likewise.
30 (add_AT_addr): Likewise.
31 (add_AT_lbl_id): Likewise.
32 (add_AT_lineptr): Likewise.
33 (add_AT_macptr): Likewise.
34 (add_AT_offset): Likewise.
35 (add_AT_range_list): Likewise.
36 (get_AT): Use VEC_iterate.
37 (remove_AT): Use VEC_ordered_remove.
38 (free_die): Fold remove_children into here; have it use VEC_iterate.
39 (print_die): Use VEC_iterate on attrs.
40 (reverse_die_lists): Don't reverse attr lists.
41 (die_checksum): Use VEC_iterate on attrs.
42 (same_die_p): Likewise.
43 (output_location_lists): Likewise.
44 (build_abbrev_table): Likewise.
45 (size_of_die): Likewise.
46 (unmark_all_dies): Likewise.
47 (output_abbrev_section): Likewise.
48 (output_die): Likewise.
49 (prune_unused_types_walk_attribs): Likewise.
51 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
53 * doc/install.texi (*-*-solaris2*): Point to the configure page.
55 2006-04-10 Jakub Jelinek <jakub@redhat.com>
58 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
60 2006-04-09 Roger Sayle <roger@eyesopen.com>
62 * expr.c (store_constructor): Don't bother clearing target if
63 we're about to assign a vector to it using vec_init_optab.
65 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
67 * tree-ssa-alias.c (lhs_may_store_to): New function.
68 (recalculate_used_alone): Handle LHS of calls.
70 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
74 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
75 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
76 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
77 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
78 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
79 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
80 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
81 stubs. Add ".align 8" directives before all ".dword" directives.
82 (GTHREAD_USE_WEAK): Revise comment.
83 (TARGET_ATTRIBUTE_WEAK): Define.
84 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
85 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
86 * stublib.c: New file.
91 * pa.md (cbranch patterns): Revise arguments used in calls to
92 output_cbranch, output_bb and output_bvd. Add long branch length
94 (fbranch patterns): Handle long branches.
95 (jump): Revise length check. Revise arguments for output_lbranch call.
96 Add long branch length attributes.
97 (decrement_and_branch_until_zero): Add long branch length attributes.
98 (output_movb, output_parallel_addb and output_parallel_movb patterns):
99 Likewise. Revise arguments for output_parallel_addb and
100 output_parallel_movb calls.
101 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
102 output_parallel_movb and output_parallel_addb): Update prototypes.
103 * pa.c (output_cbranch): Revise arguments. Correct handling of
104 nullification in long branches.
105 (output_lbranch): Add new argument to control extraction of delay
107 (output_bb): Handle long branches.
108 (output_bvb, output_dbra, output_movb, output_parallel_movb,
109 output_parallel_addb): Likewise.
111 2006-04-09 Richard Sandiford <richard@codesourcery.com>
113 PR rtl-optimization/27073
114 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
117 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
119 * tree.h (tree_memory_tag): Add old_used_alone.
120 (SMT_OLD_USED_ALONE): New macro.
121 * tree-ssa-alias.c (recalculate_used_alone): Stop
122 marking things for renaming unnecessarily.
124 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
126 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
127 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
128 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
129 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
130 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
131 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
132 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
133 spelling convensions.
134 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
135 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
136 typos. Follow spelling conventions.
138 2006-04-07 DJ Delorie <dj@redhat.com>
140 * config/m32c/m32c.c (m32c_function_arg): Structures are always
142 (m32c_init_cumulative_args): When a function returns a structure,
143 always pass the pointer to that return area on the stack.
144 (m32c_function_arg_advance): Don't increment the parameter number
145 if we're processing the returned structure pointer.
146 (pushm_info): Reverse order of registers.
148 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
150 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
151 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
152 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
153 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
155 * tree-chrec.c (chrec_fold_multiply_poly_poly,
156 chrec_fold_multiply): Same.
157 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
158 force_expr_to_var_cost): Same.
159 * tree-mudflap.c (mf_xform_derefs_1): Same.
160 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
162 2006-04-07 David Edelsohn <edelsohn@gnu.org>
164 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
165 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
168 2006-04-07 Jan Hubicka <jh@suse.cz>
170 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
172 2006-04-07 Richard Guenther <rguenther@suse.de>
174 PR tree-optimization/26135
175 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
176 loads for store copy-prop.
177 (copy_prop_visit_stmt): Likewise.
179 2006-04-05 Robert Millan <robertmh@gnu.org>
181 * gcc/config/i386/linux.h: Add a comment to mark macros that are
182 being overriden in config/k*bsd-gnu.h.
183 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
185 * gcc/config/knetbsd-gnu.h: Ditto.
187 2006-04-06 Jan Hubicka <jh@suse.cz>
191 * coverage.c (coverage_checksum_string): Reorganize loop to not read
194 2006-04-06 Mike Stump <mrs@apple.com>
196 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
197 for HAVE_nonlocal_goto to be consistent.
198 (expand_builtin_nonlocal_goto): Likewise.
199 (expand_builtin_strcmp): Use #ifdef instead of #if
200 for HAVE_cmpstrnsi to be consistent.
202 2006-04-05 DJ Delorie <dj@redhat.com>
204 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
207 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
209 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
210 got-relative addressing for anything but SImode.
212 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
213 even if the calling function doesn't modify them.
215 2006-04-05 Richard Guenther <rguenther@suse.de>
217 PR tree-optimization/26919
218 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
219 to cgraph_estimate_size_after_inlining.
221 2006-04-05 Alan Modra <amodra@bigpond.net.au>
223 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
225 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
227 PR tree-optimization/26996
228 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
229 VECTOR_TYPE variables.
231 2006-04-05 Richard Guenther <rguenther@suse.de>
233 PR tree-optimization/26763
234 * fold-const.c (fold_comparison): Move folding of
235 PTR + CST CMP PTR + CST ...
236 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
238 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
240 * doc/install.texi (Prerequisites): Refine some wording on
241 bootstrapping and ksh.
242 Move the version numbers of DejaGnu here from the testing section
243 and fix casing of names.
244 Fix markup and clarify wording for autogen requirements.
245 Refer to GCJ instead of just java.
246 Refer to SVN instead of CVS.
247 Describe diffutils as useful instead of necessary.
248 (Downloading the source): Refer to SVN instead of CVS.
249 Adjust a link to our web site accordingly.
250 (Configuration): Fix casing of Bison.
251 (Building): Refer to SVN instead of CVS.
252 Fix a sentence on the use of Bison and remove duplicate (and
253 incorrect) version number of Bison requirement.
254 Remove one redundant list of packages needed for building.
255 (Specific): Avoid reference to CVS.
257 2006-04-04 Eric Christopher <echristo@apple.com>
259 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
260 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
261 (rs6000_handle_struct_attribute): New.
262 (rs6000_ms_bitfield_layout_p): Ditto.
264 2006-04-04 Geoffrey Keating <geoffk@apple.com>
266 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
267 NULL for dso parameter to atexit_common.
269 2006-04-04 Eric Christopher <echristo@apple.com>
271 * config/i386/i386.c (machopic_output_stub): Output \t
272 between instructions and operands.
274 2006-04-04 David Edelsohn <edelsohn@gnu.org>
276 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
277 satisfies_constraint_[IL] to explicit tests on value.
279 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
281 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
282 set_nb_iterations_in_loop): Use build_int_cst instead of
284 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
285 build_int_cst instead of convert.
287 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
289 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
290 new value 2 for incoming.
291 * function.c (expand_function_start): Call struct_value_rtx
293 * config/sparc/sparc.md: Comment updated_return.
294 * config/sparc/sparc.opt: Add -mstd-struct-return option.
295 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
296 struct return if sparc_std_struct_return and incoming is 2.
297 (print_operand): Do not adjust return if
298 sparc_std_struct_return.
300 2006-04-04 Roger Sayle <roger@eyesopen.com>
302 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
303 convert in the middle-end.
304 * expr.c (store_expr, store_constructor, get_inner_reference,
305 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
307 * tree.c (build_range_type): Likewise.
309 2006-04-04 Tom Tromey <tromey@redhat.com>
311 * doc/install.texi (Prerequisites): Mention jar.
313 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
315 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
318 2006-04-04 Matthias Klose <doko@debian.org>
320 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
322 2006-04-03 Geoffrey Keating <geoffk@apple.com>
324 * doc/extend.texi (Function Attributes): Rewrite visibility
325 attribute documentation.
326 * doc/invoke.texi (C++ Dialect Options): Rewrite
327 -fvisibility-inlines-hidden documentation to describe something
328 entirely different, although in practise compatible.
329 (Code Gen Options): Warn about system headers in -fvisibiltity=
332 * doc/extend.texi (Other Builtins): Document that
333 __builtin_nan is a compile-time constant only when its argument
336 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
338 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
339 trying to remove TRUNCATE check if all bits outside the new mode
340 are identical to the sign bit.
342 2006-04-03 Jeff Law <law@redhat.com>
344 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
345 and operand scanning in some common cases.
347 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
348 Dale Johannesen <dalej@apple.com>
351 * regclass.c (struct reg_pref): Update documentation.
352 (regclass): Set prefclass to NO_REGS if memory is the best option.
353 (record_reg_classes): Cope with a prefclass set to NO_REGS.
354 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
355 into account. For non-registers, equate an empty preferred
356 reload class to a `!' in the constraint; move the if clause to
357 do so after those that reject the insn.
358 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
360 (find_dummy_reload): Likewise.
361 * doc/tm.texi (Register Classes): Document what it means
362 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
363 * config/i386/i386.c (ix86_preferred_reload_class): Force
364 using SSE registers (and return NO_REGS for floating-point
365 constants) if math is done with SSE.
366 (ix86_preferred_output_reload_class): New.
367 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
368 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
369 * config/i386/i386.md: Remove # register preferences.
371 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
374 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
375 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
377 (instantiate_parameters_1): Convert the operands before calling
378 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
379 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
381 2006-04-02 Roger Sayle <roger@eyesopen.com>
383 * builtins.c (dummy_object): Use build_int_cst instead of convert.
384 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
386 * dojump.c (do_jump): Likewise.
387 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
388 * gimplify.c (gimple_boolify, gimplify_init_constructor,
389 gimplify_boolean_expr): Likewise.
390 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
391 * varasm.c (array_size_for_constructor): Likewise.
392 * tree-object-size.c (compute_object_offset): Likewise.
394 2006-04-02 Roger Sayle <roger@eyesopen.com>
397 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
398 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
400 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
402 PR tree-optimization/26939
403 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
405 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
407 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
408 at_stmt. Convert the type of operands before calling
409 build_polynomial_chrec.
410 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
412 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
413 (instantiate_parameters_1): Convert the type of operands before calling
414 build_polynomial_chrec.
415 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
416 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
417 reset_evolution_in_loop): Insert asserts to check the types of the
419 (chrec_type): Moved...
420 (eq_evolutions_p): Use operand_equal_p.
421 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
422 the types of the operands.
423 (chrec_type): ...here.
424 * tree-data-ref.c (create_data_ref): Convert the operands before
425 calling chrec_replace_initial_condition.
426 (same_access_functions, analyze_subscript_affine_affine,
427 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
428 (compute_subscript_distance, analyze_ziv_subscript,
429 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
430 analyze_miv_subscript): Convert the operands before calling
431 chrec_fold_minus or chrec_fold_plus.
433 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
435 * tree-data-ref.c (compute_all_dependences): Use a pointer to
436 the dependence_relations vector.
437 (compute_data_dependences_for_loop): Adjust call to
438 compute_all_dependences.
440 2006-04-01 Roger Sayle <roger@eyesopen.com>
441 Richard Henderson <rth@redhat.com>
443 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
444 gimple_boolify on the condition before calling gimplify_expr.
446 2006-03-31 Bob Wilson <bob.wilson@acm.org>
448 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
449 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
450 the frame size. Update to use the new macros.
451 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
452 * config/xtensa/ieee754-df.S: Likewise.
454 2006-03-31 Richard Henderson <rth@redhat.com>
456 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
457 (make_edges): ... here. Control fallthru creation with a local
458 variable. Do not play with fake edges.
459 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
460 (make_goto_expr_edges): Don't play with fake edges. Make for_call
463 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
465 * dwarf2.h (DW64_CIE_ID): Define.
466 * dwarf2out.c (DWARF_CIE_ID): Define.
467 (output_call_frame_info): Output 0xffffffff before standard 8-byte
468 length header. Use DWARF_CIE_ID.
469 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
470 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
472 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
474 * config/sh/linux-atomic.asm: New file.
475 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
477 2006-03-31 DJ Delorie <dj@redhat.com>
479 * config/m32c/cond.md: Set condition flags properly throughout.
480 * config/m32c/minmax.md: Likewise.
481 * config/m32c/prologue.md: Likewise.
482 * config/m32c/bitops.md: Likewise.
483 * config/m32c/muldiv.md: Likewise.
484 * config/m32c/mov.md: Likewise.
485 * config/m32c/addsub.md: Likewise.
486 * config/m32c/m32c.md: Likewise.
487 * config/m32c/jump.md: Likewise.
488 * config/m32c/shift.md: Likewise.
490 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
491 conditionally output the pattern for this.
492 * config/m32c/m32c.c (flags_needed_for_conditional): New.
493 (m32c_compare_redundant): New.
494 (m32c_output_compare): New.
495 * config/m32c/m32c-protos.h (m32c_output_compare): New.
497 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
498 dest, not src. Allow other 4-byte modes.
500 2006-03-30 Denis Chertykov <denisc@overta.ru>
502 * doc/md.texi: Refer to avr/constraints.md instead of
505 2006-03-30 Roger Sayle <roger@eyesopen.com>
507 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
508 signed vs. unsigned comparison failures on some hosts.
510 2006-03-31 Alan Modra <amodra@bigpond.net.au>
513 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
514 change to FLOAT_REGS.
516 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
517 (rs6000_override_options): Use it.
518 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
519 only for -mabi=spe/no-spe and -mabi=altivec.
521 2006-03-30 Geoffrey Keating <geoffk@apple.com>
523 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
526 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
528 * Makefile.in: Rename docdir to gcc_docdir.
530 2006-03-30 Roger Sayle <roger@eyesopen.com>
533 * expr.c (emit_group_store): Optimize group stores into a pseudo
534 register by using a paradoxical subreg to initialize the destination
535 if the first or last member of the group specifies a "low part".
537 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
540 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
541 * target.h (struct gcc_target.speculate_insn): Change type of the
542 second parameter to 'int'.
543 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
544 the second operand of the DEPS_LIST.
545 (copy_DEPS_LIST_list): Update reference to the second operand of the
547 * rtl.h (alloc_DEPS_LIST): Update signature.
548 * sched-int.h (ds_t): Change typedef to 'int'.
549 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
551 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
553 * haifa-sched.c (try_ready): Change condition to restore
554 non-speculative pattern of the instruction.
555 (process_insn_depend_be_in_spec): Code to keep probability of the
556 speculative dependence non-decreasing.
558 2006-03-30 Jie Zhang <jie.zhang@analog.com>
560 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
561 (single_move_for_movmem): ... this. Also change all uses.
562 (bfin_expand_strmov): Renamed to...
563 (bfin_expand_movmem): ... this. Also change all uses.
564 * config/bfin/bfin.md (movstrsi): Renamed to...
567 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
569 PR tree-optimization/26830
571 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
572 (copy_prop_visit_stmt): Remove write-only variable ann.
573 (init_copy_prop): Check variable loop depth here. Do not simulate
574 memory-tag and virtual operand PHIs except for store copy prop.
576 2006-03-30 Richard Guenther <rguenther@suse.de>
578 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
579 variants with double arguments.
581 2006-03-29 David Edelsohn <edelsohn@gnu.org>
583 * genpreds.c (write_tm_constrs_h): Delete variable p.
584 * genconditions.c (write_header): Add tm-constrs.h to included
586 * genpeep.c (main): Add toplev.h to included headers.
587 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
588 (build/genpeep.o): Add toplev.h dependency.
589 * config/rs6000/constraints.md: Add "W" constraint.
591 2006-03-29 Roger Sayle <roger@eyesopen.com>
593 * stor-layout.c (mode_for_size_tree): Remove restiction on type
594 sizes by correctly testing whether the size fits a host integer.
595 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
596 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
597 SImode range for the default sizetype and bitsizetype.
599 2006-03-29 Roger Sayle <roger@eyesopen.com>
601 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
602 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
603 quickly if the argument is already of the correct type.
604 Call fold_build1 instead of build1. Tidy up blank lines.
606 2006-03-29 David Edelsohn <edelsohn@gnu.org>
608 * genemit.c (main): Add tm-constrs.h to included headers.
609 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
610 * genpeep.c (main): Add tm-constrs.h to included headers.
611 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
612 (write_tm_constrs_h): this and write complete file.
613 (write_tm_preds_h): Do not emit satisfies_constraint fns.
614 (write_insn_preds_c): Add tm-constrs.h to included headers.
615 (gen_constrs): New variable.
616 (parse_option): Parse "-c".
617 (main): Invoke write_tm_constrs_h.
618 * genrecog.c (write_header): Add tm-constrs.h to included headers.
619 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
620 (object_out_file): Add tm-constrs.h dependency.
622 (insn-output.o): Same.
624 (insn-preds.o): Same.
625 (insn-recog.o): Same.
626 (tm-constsr.h): New target.
627 (s-constrs-h): New target.
629 * config/rs6000/constraints.md: New file.
630 * config/rs6000/rs6000.c: Include tm-constrs.h.
631 (num_insn_constant_wide): Convert to satisfies_constraint.
632 (rs6000_rtx_costs): Convert to satisfies_constraint.
633 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
634 (CONST_OK_FOR_LETTER_P): Delete.
635 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
636 (EXTRA_CONSTRAINT): Delete.
637 (EXTRA_MEMORY_CONSTRAINT): Delete.
638 (EXTRA_ADDRESS_CONSTRAINT): Delete.
639 * config/rs6000/predicates.md: Convert to satisfies_constraint.
640 * config/rs6000/rs6000.md: Include constraints.md. Convert to
641 satisfies_constraint.
643 * config/i386/i386.c: Include tm-constrs.h.
645 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
647 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
648 * tree-data-ref.c (find_data_references_in_loop,
649 compute_data_dependences_for_loop): Use pointers to VEC.
650 (analyze_all_data_dependences): Adjust calls.
651 * tree-data-ref.h (find_data_references_in_loop,
652 compute_data_dependences_for_loop): Adjust declarations.
653 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
654 compute_data_dependences_for_loop.
656 2006-03-29 Paul Brook <paul@codesourcery.com>
658 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
661 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
663 PR tree-optimization/26859
664 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
666 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
667 for the step after fold_convert.
669 2006-03-29 Paul Brook <paul@codesourcery.com>
671 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
672 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
674 2006-03-29 Paul Brook <paul@codesourcery.com>
677 * targhooks.c (default_narrow_bitfield): New fuction.
678 * targhooks.h (default_narrow_bitfield): add prototype.
679 * target.h (gcc_target): Add narrow_volatile_bitfield.
680 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
681 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
682 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
683 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
685 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
687 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
689 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
690 (NR_C_MODES): Add TDmode, DDmode and SDmode.
691 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
692 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
693 (s390_function_arg_float): Allow SDmode and DDmode values to be
694 passed in floating point registers.
695 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
696 check with SCALAR_FLOAT_MODE_P.
697 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
699 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
701 PR tree-optimization/25985
702 * tree-ssa-loop-niter.c (number_of_iterations_le,
703 number_of_iterations_ne): Make comments more precise.
704 (number_of_iterations_cond): Add only_exit argument. Use the
705 fact that signed variables do not overflow only when only_exit
707 (loop_only_exit_p): New.
708 (number_of_iterations_exit): Pass result of loop_only_exit_p to
709 number_of_iterations_cond.
711 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
713 PR tree-optimization/26643
714 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
717 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
719 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
720 (divsi3_i4_int): Likewise.
722 2006-03-28 Roger Sayle <roger@eyesopen.com>
724 * expr.c (emit_group_store): Only create a new pseudo reg if the
725 quantity it needs to hold isn't already a suitable pseudo.
727 2006-03-28 Jeff Law <law@redhat.com>
729 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
730 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
732 2006-03-28 Roger Sayle <roger@eyesopen.com>
734 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
735 the equivalent ~X & Y, and the symmetry related transformations.
736 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
737 ~X & Y, and symmetry related transforms.
739 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
741 Revert my 2006-03-27 patches.
743 2006-03-28 Roger Sayle <roger@eyesopen.com>
745 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
746 ~(T1)X, when T1 and T2 are integer types of the same precision
747 and (T2)X isn't an extension.
749 2006-03-28 Jeff Law <law@redhat.com>
751 PR tree-optimization/26796
752 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
753 need EH edge cleanups rather than purging them immediately.
754 (eliminate_degenerate_phis): Handle queued EH cleanups.
756 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
758 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
761 2006-03-27 Roger Sayle <roger@eyesopen.com>
764 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
765 cast BIT_NOT_EXPR operand to the correct type.
767 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
769 * tree-loop-linear.c: Don't include varray.h.
770 (gather_interchange_stats, try_interchange_loops,
771 linear_transform_loops): Use VEC instead of VARRAY.
772 * lambda-mat.c: Don't include varray.h.
773 * tree-chrec.c: Same.
774 * lambda-trans.c: Same.
775 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
776 VEC instead of VARRAY.
777 * tree-vectorizer.h: Idem.
778 * tree-data-ref.c (dump_data_references,
779 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
780 initialize_data_dependence_relation, finalize_ddr_dependent,
781 compute_all_dependences, find_data_references_in_loop,
782 compute_data_dependences_for_loop, analyze_all_data_dependences,
783 free_dependence_relation, free_dependence_relations,
784 free_data_refs): Idem.
785 * tree-data-ref.h (data_reference_p, subscript_p): New.
786 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
787 VEC instead of VARRAY.
788 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
789 (find_data_references_in_loop, compute_data_dependences_for_loop,
790 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
791 dump_data_dependence_relations, free_dependence_relations,
792 free_data_refs): Adjust declaration.
793 (lambda_transform_legal_p): Move declaration here...
794 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
795 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
796 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
797 vect_analyze_data_refs): Use VEC instead of VARRAY.
798 * lambda.h (lambda_transform_legal_p): ...from here.
799 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
800 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
801 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
802 tree-chrec.o): Don't depend on VARRAY_H.
804 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
806 * rtl.def (Copyright): Update date.
807 (DEPS_LIST): Change type of the second operand to 'int'.
808 * target.h (Copyright): Update date.
809 (struct gcc_target.speculate_insn): Change type of the second parameter
811 * lists.c (Copyright): Update date.
812 (alloc_DEPS_LIST): Change signature. Update reference to the second
813 operand of the DEPS_LIST.
814 (copy_DEPS_LIST_list): Update reference to the second operand of the
816 * rtl.h (Copyright): Update date.
817 (alloc_DEPS_LIST): Update signature.
818 * sched-int.h (Copyright): Update date.
819 (ds_t): Change typedef to 'int'.
820 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
822 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
824 * haifa-sched.c (Copyright): Update date.
825 (try_ready): Change condition to restore non-speculative pattern
827 (process_insn_depend_be_in_spec): Code to keep probability of the
828 speculative dependence non-decreasing.
830 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
832 * regrename.c (replace_oldest_value_addr): Initialize a variable to
833 shut up the compiler.
835 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
837 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
838 to use lib prefix for target.
839 ($(T)libic_invalidate_array_4-200.a): Likewise.
840 ($(T)libic_invalidate_array_4a.a): Likewise.
842 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
843 J"orn Rennecke <joern.rennecke@st.com>
845 * superh.opt: New file.
846 * sh.c (boardtype, osruntime): Remove.
847 * superh.h (SUBTARGET_OPTIONS): Remove.
848 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
850 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
851 arguments with ^ and/or [].
853 * config.gcc (sh-*-*): Add quoting to account for quirk of
855 Replace == with = in enable_incomplete_targets test.
857 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
858 with MASK_LITTLE_ENDIAN.
860 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
861 * config/sh/sh.opt: Added to some comments.
862 * config/sh/superh.h: Removed some chaff.
864 * config/sh/sh.opt: Add m4-[1234]00* options.
865 * config/sh/sh.c (sh_handle_option): Likewise.
866 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
867 (ic_invalidate_array_4-100.o): New rule.
868 ($(T)libic_invalidate_array_4-100.a): Likewise.
869 (ic_invalidate_array_4-200.o): Likewise.
870 ($(T)libic_invalidate_array_4-200.a): Likewise.
871 (ic_invalidate_array_4a.o): Likewise.
872 ($(T)libic_invalidate_array_4a.a): Likewise.
873 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
874 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
876 * config/sh/crt1.asm: Merged in profiling code.
877 * config/sh/superh.h (STARTFILE_SPEC): Override.
878 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
879 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
880 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
882 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
883 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
884 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
886 * sh.opt (mpretend-cmove): New option.
887 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
888 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
889 (movsicc): Add TARGET_PRETEND_CMOVE code.
891 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
893 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
894 s390_class_max_nregs): New function prototypes.
895 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
896 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
897 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
898 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
900 2006-03-26 Geoffrey Keating <geoffk@apple.com>
902 * dwarf2out.c (add_location_or_const_value_attribute): Call
903 tree_add_const_value_attribute if nothing else works.
904 (reference_to_unused): New.
905 (rtl_for_decl_init): Use reference_to_unused to decide whether
906 to output an initializer.
908 2006-03-27 Alan Modra <amodra@bigpond.net.au>
911 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
912 peephole removing spe frob_di_df_2.
914 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
916 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
917 (subscript_dependence_tester_1): Declared.
918 (print_dir_vectors, print_dist_vectors): New.
919 (debug_data_dependence_relation): New.
920 (dump_data_dependence_relation): Print more details.
921 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
922 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
923 (save_dist_v, save_dir_v, add_outer_distances,
924 build_classic_dist_vector_1): New.
925 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
926 Don't test for lambda_vector_lexico_pos.
927 (same_access_functions, add_multivariate_self_dist,
928 add_other_self_distances, dir_from_dist): New.
929 (build_classic_dir_vector): Replace implementation almost identical to
930 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
932 (subscript_dependence_tester_1): New.
933 (subscript_dependence_tester): Handle the lexicographically negative
934 distance vectors by recomputing the dependence relation.
935 (compute_affine_dependence): Remove parameter loop_nest_depth.
936 (compute_self_dependence): Don't call compute_subscript_distance.
937 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
938 Add a parameter for the loop_nest.
939 (find_loop_nest_1, find_loop_nest): New.
940 (compute_data_dependences_for_loop): Compute the loop nest, and give
941 up if the nest is not well formed.
942 * tree-data-ref.h (loop_p): New.
943 (struct data_dependence_relation): Replace size_vect field with
944 loop_nest, a vec of loops.
945 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
946 (DDR_LOOP_NEST): New.
947 (print_dir_vectors, print_dist_vectors,
948 debug_data_dependence_relation): Declared.
949 (index_in_loop_nest): New.
950 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
951 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
954 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
956 * simplify-rtx.c (simplify_relational_operation): Call
957 simplify_relational_operation_1 even if mode is VOIDmode.
959 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
961 PR tree-optimization/26804
962 * tree.h (DECL_CALL_CLOBBERED): New macro.
963 (tree_decl_common): Add call_clobbered_flag.
964 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
965 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
966 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
967 (mark_non_addressable): Ditto.
968 * tree-ssa.c (verify_call_clobbered): New function.
969 (verify_alias_info): Use it.
970 * tree-pass.h (pass_reset_cc_flags): New prototype.
971 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
972 (reset_cc_flags): New function.
973 * passes.c (init_optimization_passes): Call reset_cc_flags after
974 initializing referenced_vars.
976 2006-03-25 Uros Bizjak <uros@kss-loka.si>
977 Roger Sayle <roger@eyesopen.com>
980 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
981 to 1.0 for non-real operands. Implement A / A optimization for
984 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
986 * config/i386/i386.c (size_cost): Correct the comment for
987 cost of storing fp registers.
988 (i386_cost): Likewise.
989 (i486_cost): Likewise.
990 (pentium_cost): Likewise.
991 (pentiumpro_cost): Likewise.
993 (athlon_cost): Likewise.
995 (pentium4_cost): Likewise.
996 (nocona_cost): Likewise.
997 (generic64_cost): Likewise.
998 (generic32_cost): Likewise.
1000 2006-03-24 Denis Chertykov <denisc@overta.ru>
1002 * config/avr/avr-protos.h (extra_constraint): Delete.
1003 (extra_constraint_Q): New declaration.
1004 * config/avr/constraints.md: New file.
1005 * config/avr/avr.md: Include it.
1006 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1007 (TMP_REGNO, ZERO_REGNO): Likewise.
1008 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1009 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1010 (extra_constraint): Delete.
1011 (extra_constraint_Q): Test for memory constraint 'Q'.
1012 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1013 (REG_CLASS_FROM_LETTER): Delete.
1014 (CONST_OK_FOR_LETTER_P): Delete.
1015 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1016 (EXTRA_CONSTRAINT): Delete.
1017 (TMP_REGNO): Delete.
1018 (ZERO_REGNO): Delete.
1020 2006-03-24 Jeff Law <law@redhat.com>
1022 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1023 directly. Call mark_new_vars_to_rename slightly earlier.
1025 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1027 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1029 (gen_compile_unit_die): Use new language types for Objective-C and
1031 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1032 DW_LANG_C_plus_plus.
1035 * config/t-darwin (crt3.o): Work around bug 26840.
1036 * config/darwin-crt3.c: Rewrite.
1037 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1039 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1041 * doc/invoke.texi: Document -femit-class-debug-always
1042 * common.opt: Add -femit-class-debug-always.
1044 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1046 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1047 index and base register.
1048 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1049 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1050 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1051 REGNO_OK_FOR_INDEX_P.
1052 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1054 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1055 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1056 REG_OK_FOR_BASE_P): Definitions removed.
1058 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1061 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1062 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1063 set yet or weren't marked as local yet.
1065 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1067 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1070 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1072 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1073 (rs6000_legitimate_small_data_p): Delete.
1074 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1075 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1076 and make static. Add forward declaration. Update uses.
1077 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1078 of offsettable_memref_p.
1079 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1080 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1082 2006-03-24 Jeff Law <law@redhat.com>
1084 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1085 around bug in immediate-use iterator.
1087 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1090 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1091 or __LITTLE_ENDIAN__.
1093 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1095 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1096 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1097 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1098 * config/sh/sh.opt (mdiv=): Amend description.
1099 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1100 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1101 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1102 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1103 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1104 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1105 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1106 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1107 TARGET_DIVIDE_CALL_FP.
1109 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1111 * haifa-sched.c (choose_ready): Fix type of the local variable.
1112 Move local variables. Add comment.
1113 (check_reg_live): Change signature. Make callable from debugger.
1114 * sched-int.h (check_reg_live): Update signature.
1115 * sched-ebb.c (check_reg_live): Update parameters.
1116 * sched-rgn.c (check_reg_live): Ditto.
1117 (region_head_or_leaf_p): Check pointer before dereferencing.
1118 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1119 before reload on optimization levels below 1.
1121 2006-03-23 Richard Henderson <rth@redhat.com>
1123 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1127 * config/alpha/predicates.md (local_symbolic_operand): Reject
1130 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1133 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1134 expressions which have overflowed constants.
1136 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1138 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1140 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1142 * cfgloopmanip.c (create_loop_notes): Removed.
1143 * final.c (final_scan_insn): Do not handle loop notes.
1144 * jump.c (squeeze_notes): Ditto.
1145 * cfglayout.c (skip_insns_after_block,
1146 duplicate_insn_chain): Ditto.
1147 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1149 * cfgloop.h (create_loop_notes): Declaration removed.
1151 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1153 * varasm.c (output_constant_pool): Restore fnname and fndecl
1155 (assemble_start_function): Adjust call accordingly.
1156 (assemble_end_function): Likewise.
1158 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1161 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1164 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1166 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1169 * system.h (ICE_EXIT_CODE): New macro.
1170 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1171 (diagnostic_action_after_output): Likewise.
1172 * gcc.c (fatal_ice): New function.
1173 (execute): Use it instead of fatal.
1174 (fancy_abort): Likewise.
1175 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1177 2006-03-22 Jeff Law <law@redhat.com>
1179 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1180 iv_analyze_result returning false.
1182 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1184 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1186 2006-03-22 Richard Henderson <rth@redhat.com>
1189 * except.c (duplicate_eh_regions_0): New.
1190 (duplicate_eh_region_1): Duplicate the children of the node as
1191 well as the node itself. Link them up properly.
1192 (duplicate_eh_region_2): Merge into ...
1193 (duplicate_eh_regions): ... here. Take copy_region argument, and
1194 copy only a sub-tree if asked. Simplify copying and fixup.
1195 (eh_region_outer_p): New.
1196 * except.h (duplicate_eh_regions): Update decl.
1197 (eh_region_outer_p): Declare.
1198 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1199 (lower_omp_master): Likewise.
1200 (lower_omp_ordered): Likewise.
1201 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1202 (move_stmt_r): Use it to remap labels. Handle recursion vs
1203 remap_decls_p properly.
1204 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1205 (find_outermost_region_in_block): New.
1206 (new_label_mapper): New.
1207 (move_sese_region_to_fn): Copy eh information to the new function
1209 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1211 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1214 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1216 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1217 into shared libraries.
1219 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1221 * doc/md.texi: Refer to i386/constraints.md instead of
1223 * config/i386/constraints.md: New file, extracted from...
1224 * config/i386/predicates.md: ...here.
1225 * config/i386/i386.md: Include constraints.md.
1227 2006-03-21 Jason Merrill <jason@redhat.com>
1229 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1232 * expr.c (init_block_move_fn): Force default visibility.
1233 (init_block_clear_fn): Likewise.
1234 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1235 * targhooks.c (default_external_stack_protect_fail): Likewise.
1237 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1239 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1240 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1241 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1242 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1243 (loadgp): Use mips_current_loadgp_style.
1244 (loadgp_noshared): New pattern.
1245 (sibcall_internal): Use MIPS_CALL.
1246 (sibcall_value_internal): Likewise.
1247 (sibcall_value_multiple_internal): Likewise.
1248 (call_internal): Likewise.
1249 (call_value_internal): Likewise.
1250 (call_value_multiple_internal): Likewise.
1251 (call_split): Use MIPS_CALL and add an 'S' constraint.
1252 (call_value_split): Likewise.
1253 (call_value_multiple_split): Likewise.
1254 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1255 (-mshared): New option.
1256 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1257 (mips_current_loadgp_style): Declare.
1258 * config/mips/mips.c (mips_classify_symbol): Avoid using
1259 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1260 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1261 TARGET_ABSOLUTE_ABICALLS.
1262 (override_options): Adjust comments. Improve the warning that is
1263 issued when -mabicalls and -G are used together.
1264 (mips_file_start): Remove comment.
1265 (mips_current_loadgp_style): New function.
1266 (mips_gnu_local_gp): New variable.
1267 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1269 (mips_output_function_prologue): Use mips_current_laodgp_style.
1270 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1271 the cprestore instruction.
1272 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1273 live for TARGET_ABSOLUTE_ABICALLS.
1274 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1275 (ASM_SPEC): Pass down -mshared and -mno-shared.
1276 (MIPS_CALL): New macro.
1277 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1279 * doc/invoke.texi (-mabicalls): Update documentation.
1280 (-mshared): Document.
1282 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1284 * config/ia64/unwind-hpux.c: New file.
1285 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1287 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1290 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1292 2006-03-21 Jeff Law <law@redhat.com>
1294 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1295 type conversions of a VR_VARYING source to a wider type.
1297 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1299 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1300 tm_file on Solaris 10 and later.
1301 (sparc64-*-solaris2*): Likewise.
1302 (sparc-*-solaris2*): Likewise.
1303 * config/sol26.h: Rename to config/sol2-6.h.
1304 * config/sol2-10.h: New file.
1306 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1309 * tree-ssa-pre.c (create_component_ref_by_pieces):
1312 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1315 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1316 return it immediately.
1318 2006-03-21 Michael Matz <matz@suse.de>
1320 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1322 (remove_arc, add_arc): Update num_out_arcs member.
1323 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1325 (cache_presence): New function.
1326 (compare_states_for_equiv): New function.
1327 (state_is_differed): Don't take number of outargs, adjust callers.
1328 Use new invariant for speeding up.
1329 (init_equiv_class): Create initial classes based on sorted
1331 (partition_equiv_class): Don't track out_arcs_num.
1332 (evaluate_equiv_classes): Call cache_presence on all states and
1335 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1337 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1338 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1339 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1340 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1342 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1343 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1344 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1345 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1346 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1348 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1349 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1350 (REGNO_REG_CLASS): ARGP is in PREGS.
1351 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1353 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1354 to deal with those addresses.
1355 * addresses.h: New file.
1356 * caller-save.c: Include "addresses.h".
1357 (init_caller_save): Use new base_reg_class function.
1358 * rtl-factoring.c: Include "addresses.h".
1359 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1360 * recog.c: Include "addresses.h".
1361 (preprocess_constraints): Use new base_reg_class function.
1362 * regrename.c: Include "addresses.h".
1363 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1364 functions. Keep track of a new var INDEX_CODE to compute valid
1366 (replace_oldest_value_addr): Likewise.
1367 (replace_oldest_value_mem): Use base_reg_class.
1368 * reload.c: Include "addresses.h".
1369 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1370 (find_reloads): Use new base_reg_class function.
1371 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1372 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1373 all callers and prototype changed.
1374 * reload1.c: Include "addresses.h".
1375 (maybe_fix_stack_asms): Use base_reg_class.
1376 * regclass.c: Include "addresses.h".
1377 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1378 (init_reg_autoinc): Use new base_reg_class function.
1379 (record_reg_classes): Likewise.
1380 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1381 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1382 Use new args to compute necessary class.
1384 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1385 regrename.o, rtl-factoring.o): Update dependencies.
1386 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1387 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1388 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1389 REG_OK_FOR_INDEX_P): Delete documentation.
1391 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1393 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1394 from V7 to V9 for Solaris 7 and above.
1396 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1398 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1399 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1400 argument pointers may not alias any other storage.
1401 * common.opt: Define option -fargument-noalias-anything.
1402 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1403 alias semantics is specified by flag_argument_noalias > 2.
1405 2006-03-20 Jeff Law <law@redhat.com>
1407 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1408 (pass_phi_only_cprop): Declare.
1409 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1411 * tree-ssa-dom.c (degenerate_phi_result): New function.
1412 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1413 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1414 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1415 (eliminate_degenerate_phis): Likewise.
1416 (pass_phi_only_cprop): New pass descriptor.
1417 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1418 support code. Callers updated.
1419 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1420 (store_copy_prop): Likewise.
1421 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1423 2006-03-20 Jason Merrill <jason@redhat.com>
1426 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1427 (push_visibility, pop_visibility): Likewise.
1428 * c-pragma.h: Declare them.
1430 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1432 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1434 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1435 parameter and use get_ebb_head_tail.
1436 (sh_md_init_global): Adjust uses of find_regmode_weight.
1438 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1440 * function.h (struct function) <x_tail_recursion_reentry>:
1441 Rename to x_stack_check_probe_note.
1442 (tail_recursion_reentry): Rename to stack_check_probe_note.
1443 * function.c: Replace tail_recursion_reentry with
1444 stack_check_probe_note everywhere.
1445 (expand_function_start): Only emit a note for
1446 stack_check_probe_note with -fstack-protect.
1447 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1449 * emit-rtl.c (remove_unnecessary_notes): Remove.
1450 (pass_remove_unnecessary_notes): Remove.
1451 * rtl.h (remove_unnecessary_notes): Remove prototype.
1452 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1453 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1454 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1456 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1459 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1460 (valid_in_set): Handle ARRAY_REF.
1461 Change "if min_variant or VH" to asserts.
1462 (create_component_ref_by_pieces): Handle ARRAY_REF.
1463 (create_expression_by_pieces): Likewise.
1464 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1466 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1468 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1469 is operand of switch, not str[0].
1471 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1473 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1474 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1476 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1478 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1479 end of insn_extra_address_constraint declaration.
1481 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1483 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1484 (no-sum-in-toc): Same.
1485 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1487 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1488 NO_FP_IN_TOC for -fPIC instead of mask.
1490 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1491 (BOOT_LDFLAGS): Delete.
1493 * config/rs6000/t-aix52: Same.
1495 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1496 (stmsi[345678]_power): New.
1498 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1500 * config/ia64/ia64.opt: Add empty line to end of file.
1502 2006-03-17 Richard Guenther <rguenther@suse.de>
1505 * builtins.c (get_pointer_alignment): For component style references
1506 adjust alignment to the component type alignment. Make sure
1507 to adjust alignment for component access of constants.
1509 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1511 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1514 2006-03-17 Paul Brook <paul@codesourcery.com>
1516 * doc/install.texi: Docuemnt --with-mode.
1517 * config.gcc: Add --with-mode for arm*-*-*.
1518 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1520 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1522 * sh.c (max_labelno_before_reorg): New variable.
1523 (sh_reorg): Initialize it.
1524 (find_barrier): Check max_labelno_before_reorg before using
1525 label_to_alignment. Take length of explicit alignment insns
1526 into account. When seeing a UNSPECV_CONST_END, return it.
1528 * sh.c (fixup_mova): Set mode of affected label to QImode.
1529 (untangle_mova): New function.
1530 (find_barrier): Use it. Check mode of label before decrementing
1532 (sh_reorg): Likewise.
1533 Set mode of all insns back to VOIDmode.
1535 * sh.c (MOVA_LABELREF): New macro.
1536 (mova_p, fixup_mova, sh_reorg): Use it.
1537 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1538 ADDR_DIFF_VEC matches mova.
1540 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1542 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1543 with ATTRIBUTE_UNUSED.
1545 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1547 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1548 pointer, instead of assuming it is possible to derive the
1549 correct args size from a call insn.
1551 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1553 * rtl.h (CONST_INT_P): Define.
1554 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1555 instead of GET_CODE(x) == CONST_INT.
1556 (vax_rtx_costs): Likewise.
1557 (vax_output_int_move): Likewise.
1558 (vax_output_int_add): Likewise.
1559 (legitimate_constant_address_p): Likewise.
1560 (index_term_p): Likewise.
1561 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1562 * config/vax/vax.md (and<mode>3): Likewise.
1563 (ashrsi3): Likewise.
1565 (movstricthi): Likewise.
1566 (movstrictqi): Likewise.
1567 (rotrsi3): Likewise.
1568 (five unnamed insns): Likewise.
1570 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1572 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1573 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1574 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1575 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1576 Pass to ASM_OUTPUT_DWARF_OFFSET.
1577 * dwarf2out.c (debug_frame_section): New.
1578 (output_call_frame_info): Use debug_frame_section. Pass it to
1579 dw2_asm_output_offset.
1580 (output_die): Pass appropriate section to dw2_asm_output_offset.
1581 (output_compilation_unit_header): Likewise.
1582 (output_pubnames): Likewise.
1583 (output_aranges): Likewise.
1584 (enum dw_val_class): Break dw_val_class_lbl_offset into
1585 dw_val_class_lineptr and dw_val_class_macptr.
1586 (add_AT_lbl_offset): Delete.
1587 (add_AT_lineptr): New.
1588 (add_AT_macptr): New.
1589 (AT_lbl): Expect a lineptr or macptr.
1590 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1591 (attr_checksum): Likewise.
1592 (same_dw_val_p): Likewise.
1593 (size_of_die): Likewise.
1594 (value_format): Likewise.
1595 (output_die): Likewise.
1596 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1598 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1599 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1600 * config/darwin-protos.h (darwin_file_start): New.
1601 (darwin_asm_output_dwarf_offset): New.
1602 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1603 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1605 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1606 if not EH section; simplify.
1607 (darwin_file_start): New.
1608 (darwin_asm_output_dwarf_offset): New.
1609 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1611 (DEBUG_INFO_SECTION): Likewise.
1612 (DEBUG_ABBREV_SECTION): Likewise.
1613 (DEBUG_ARANGES_SECTION): Likewise.
1614 (DEBUG_MACINFO_SECTION): Likewise.
1615 (DEBUG_LINE_SECTION): Likewise.
1616 (DEBUG_LOC_SECTION): Likewise.
1617 (DEBUG_PUBNAMES_SECTION): Likewise.
1618 (DEBUG_STR_SECTION): Likewise.
1619 (DEBUG_RANGES_SECTION): Likewise.
1620 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1621 (ASM_OUTPUT_DWARF_OFFSET): New.
1623 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1625 * config.gcc (tm_defines): Always add to previous value rather
1628 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1630 * config/mips/predicates.md (splittable_const_int_operand): New,
1631 split from move_operand.
1632 (splittable_symbolic_operand): New.
1633 (move_operand): Add commentary. Use splittable_const_int_operand.
1634 Inline mips_atomic_symbolic_constant_p.
1635 * config/mips/mips.md: Add combine splitters for handling moves
1636 of splittable_const_int_operands and splittable_symbolic_operands.
1637 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1638 (mips_split_symbol): Declare.
1639 (mips_move_integer): Declare.
1640 * config/mips/mips.c (mips_split_p): Make global.
1641 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1642 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1643 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1644 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1645 (mips_offset_within_object_p): Handle block symbols.
1646 (mips_atomic_symbolic_constant_p): Delete.
1647 (mips_cannot_force_const_mem): Return false for constants that
1648 mips_legitimize_move can handle.
1649 (mips_use_blocks_for_constant_p): New function.
1650 (mips_split_symbol): Make global.
1651 (mips_move_integer): Likewise. Add a temporary register argument.
1652 (mips_legitimize_const_move): Use splittable_const_int_operand and
1653 splittable_symbolic_operand.
1654 (mips_use_anchors_for_symbol_p): New function.
1655 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1656 (mips_split_p): Declare.
1658 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1660 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1661 (mips*-*-linux*): Likewise.
1663 2006-03-16 Roger Sayle <roger@eyesopen.com>
1664 Daniel Speyer <dspeyer@wam.umd.edu>
1667 * tree-dump.c (dump_real): New function.
1668 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1669 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1670 (tree-dump.o): Add $(REAL_H) to the dependencies.
1672 2006-03-16 Roger Sayle <roger@eyesopen.com>
1675 * real.c (real_from_string): If the mantissa is zero, don't bother
1676 parsing the exponent as the result should always be zero.
1678 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1680 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1682 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1684 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1685 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1686 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1687 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1688 ia64_sched_finish_global): New static functions to implement
1689 hooks from gcc_target.sched.
1690 (spec_check_no, max_uid, pending_data_specs): New static variables.
1691 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1692 ia64_spec_check_src_p): New static functions.
1693 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1694 (TARGET_SCHED_ADJUST_COST): Removed.
1695 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1696 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1697 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1698 TARGET_SCHED_GEN_CHECK,
1699 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1700 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1701 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1702 Fixed to handle speculation checks.
1703 (rtx_needs_barrier): Fixed to handle speculative loads and
1705 (ia64_variable_issue): Added code to count speculative loads and their
1707 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1709 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1711 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1713 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1714 (ia64_reorg): Reset stops_p to NULL after it is freed.
1715 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1716 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1717 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1719 (data_speculative, control_speculative, check_load): New attributes.
1720 (mov<mode>_advanced, mov<mode>_speculative,
1721 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1722 zero_extend<mode>di2_speculative,
1723 zero_extend<mode>di2_speculative_advanced): New patterns for
1724 data and control speculative loads.
1725 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1727 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1728 New pattern for data and control speculation checks.
1729 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1730 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1731 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1732 Auxiliary definitions for the patterns.
1733 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1734 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1736 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1738 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1739 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1740 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1741 New resource constraints.
1742 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1744 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1745 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1746 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1747 msched-in-control-spec, msched-ldc, msched-control-ldc,
1748 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1749 msched-prefer-non-control-spec-insns,
1750 msched-count-spec-in-critical-path): New flags to tune speculative
1752 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1753 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1754 msched-in-control-spec, msched-ldc, msched-control-ldc,
1755 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1756 msched-prefer-non-control-spec-insns,
1757 msched-count-spec-in-critical-path): Document new flags.
1759 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1761 * target.h (struct spec_info_def): New opaque declaration.
1762 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1763 speculate_insn, needs_block_p, gen_check,
1764 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1765 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1766 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1767 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1768 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1769 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1771 (TARGET_SCHED): Use new macros.
1772 * rtl.h (copy_DEPS_LIST_list): New prototype.
1773 * sched-int.h (struct sched_info): Change signature of new_ready field,
1774 adjust all initializations. New fields: add_remove_insn,
1775 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1776 region_head_or_leaf_p.
1777 (struct spec_info_def): New structure declaration.
1778 (spec_info_t): New typedef.
1779 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1780 recovery_block, orig_pat.
1781 (glat_start, glat_end): New variables declaraions.
1782 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1784 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1785 DETACH_LIFE_INFO, USE_GLAT.
1786 (enum SPEC_SCHED_FLAGS): New enumeration.
1787 (NOTE_NOTE_BB_P): New macro.
1788 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1789 attach_life_info, debug_spec_status, check_reg_live): New functions.
1790 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1791 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1793 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1794 * ddg.c (get_block_head_tail): Adjust all uses.
1795 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1796 (sms_sched_info): Initialize new fields.
1797 (contributes_to_priority): Removed.
1798 * haifa-sched.c (params.h): New include.
1799 (get_block_head_tail): Adjust all uses.
1800 (ISSUE_POINTS): New macro.
1801 (glat_start, glat_end): New global variables.
1802 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1803 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1804 old_last_basic_block, before_recovery, current_sched_info_var,
1805 rgn_n_insns, luid): New static variables.
1806 (insn_cost1): New function. Move logic from insn_cost to here.
1807 (find_insn_reg_weight1): New function. Move logic from
1808 find_insn_reg_weight to here.
1809 (reemit_notes, move_insn, max_issue): Change signature.
1810 (move_insn1): Removed.
1811 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1812 extend_bb): New static functions to support extension of scheduler's
1814 (generate_recovery_code, process_insn_depend_be_in_spec,
1815 begin_speculative_block, add_to_speculative_block,
1816 init_before_recovery, create_recovery_block, create_check_block_twin,
1817 fix_recovery_deps): New static functions to support
1818 generation of recovery code.
1819 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1820 restore_bb_notes, move_block_after_check, move_succs): New static
1821 functions to support ebb scheduling.
1822 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1823 functions to support handling of register live information.
1824 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1825 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1826 add_jump_dependencies): New static functions.
1827 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1828 consistancy checking.
1829 (debug_spec_status): New function to call from debugger.
1830 (priority): Added code to handle speculation checks.
1831 (rank_for_schedule): Added code to distinguish speculative instructions.
1832 (schedule_insn): Added code to handle speculation checks.
1833 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1834 Fixed to handle ebbs.
1835 (move_insn): Added code to handle ebb scheduling.
1836 (max_issue): Added code to use ISSUE_POINTS of instructions.
1837 (choose_ready): Added code to choose between speculative and
1838 non-speculative instructions.
1839 (schedule_block): Added code to handle ebb scheduling and scheduling of
1840 speculative instructions.
1841 (sched_init): Initialize new variables.
1842 (sched_finish): Free new variables. Print statistics.
1843 (try_ready): Added code to handle speculative instructions.
1844 * lists.c (copy_DEPS_LIST_list): New function.
1845 * sched-deps.c (extend_dependency_caches): New function. Move logic
1846 from create_dependency_caches to here.
1847 (get_dep_weak, ds_merge): Make global.
1848 * genattr.c (main): Code to output prototype for
1849 dfa_clear_single_insn_cache.
1850 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1851 (output_dfa_clean_insn_cache_func): Code to output
1852 dfa_clear_single_insn_cache function.
1853 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1855 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1857 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1858 New static variables.
1859 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1860 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1862 (ebb_sched_info): Initialize new fields.
1863 (get_block_head_tail): Adjust all uses.
1864 (compute_jump_reg_dependencies): Fixed to use glat_start.
1865 (schedule_ebb): Code to remove unreachable last block.
1866 (schedule_ebbs): Added code to update register live information.
1867 * sched-rgn.c (region_sched_info): Initialize new fields.
1868 (get_block_head_tail): Adjust all uses.
1869 (last_was_jump): Removed. Adjust users.
1870 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1871 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1872 Implement new hooks.
1873 (check_dead_notes1): New static function.
1874 (struct region): New fields: dont_calc_deps, has_real_ebb.
1875 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1876 (BB_TO_BLOCK): Fixed to handle EBBs.
1877 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1878 (ebb_head): New static variable.
1879 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1880 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1882 (compute_dom_prob_ps): New assertion.
1883 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1884 global_live_at_start.
1885 (init_ready_list): New assertions.
1886 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1887 (new_ready): Add support for BEGIN_CONTROL speculation.
1888 (schedule_insns): Fixed code that updates register live information
1890 (schedule_region): Fixed to handle EBBs.
1891 (init_regions): Use extend_regions and check_dead_notes1.
1892 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1893 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1894 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1895 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1896 TARGET_SCHED_GEN_CHECK,
1897 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1898 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1899 * doc/invoke.texi (max-sched-insn-conflict-delay,
1900 sched-spec-prob-cutoff): Document.
1902 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1904 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1905 inter_tick, queue_index.
1906 (struct sched_info): Change signature of init_ready_list field.
1907 Adjust all initializations.
1908 (RESOLVED_DEPS): New access macro.
1909 (ready_add): Remove prototype.
1910 (try_ready): Add prototype.
1911 * sched-rgn.c (init_ready_list): Use try_ready.
1912 (schedule_region): Initialize
1913 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1914 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1915 (init_ready_list): Use try_ready.
1916 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1917 * lists.c (remove_list_elem): Remove `static'.
1918 (remove_free_INSN_LIST_elem): New function.
1919 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1920 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1921 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1923 (readyp): New variable.
1924 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1925 change_queue_index, resolve_dep): New static functions.
1926 (try_ready): New function. Adjust callers in sched-rgn.c and
1927 sched-ebb.c to use it instead of ready_add.
1928 (clock_var): Move at the begining of file.
1929 (rank_for_schedule): Fix typo.
1930 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1931 (ready_lastpos): Enforce assertion.
1932 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1934 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1935 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1936 (queue_to_ready): Use free_INSN_LIST_list.
1937 (early_queue_to_ready): Fix typo.
1938 (schedule_block): Init readyp. Move init_ready_list call after the
1939 initialization of clock_var. Fix error in rejecting insn by
1940 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1941 that previously corrected INSN_TICKs. Add code for handling
1943 (set_priorities): Fix typo.
1944 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1945 Clarify comment and code that keeps current_sched_info->next_tail
1948 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1950 * sched-rgn.c (extend_rgns): New static function.
1951 (find_rgns): Use it.
1952 (gather_region_statistics, print_region_statistics): New static
1954 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1955 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1957 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1958 Andrey Belevantsev <abel@ispras.ru>
1960 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1961 * lists.c (unused_deps_list): New variable.
1962 (free_list): Add assertions to verify the proper distinguishing
1963 between INSN_LISTs and DEPS_LISTs.
1964 (find_list_elem, remove_list_elem, remove_list_node): New static
1966 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1967 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1968 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1969 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1971 (free_INSN_LIST_node): Likewise.
1972 * modulo-sched.c (current_sched_info): Initialize flags field.
1973 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1974 * rtl.def (DEPS_LIST): Define.
1975 * rtl.h: Declare new functions from lists.c.
1976 * sched-deps.c (spec_dependency_cache): New static variable.
1977 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1978 (add_dependence): Change return type to void. Move the logic to ...
1979 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1980 (delete_all_dependences): Add comment about forward_dependency_cache.
1981 Handle spec_dependency_cache. Handle DEPS_LISTs.
1982 (fixup_sched_groups): Clarify the change of priority of output
1983 and anti dependencies.
1984 (sched_analyze_2): Adjust add_dependence calls to create data
1985 speculative dependence.
1986 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1987 Adjust all callers. Handle DEPS_LISTS.
1988 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1989 presence of speculation.
1990 (init_dependency_caches, free_dependency_caches):
1991 Handle spec_dependency_cache.
1992 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1993 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1994 New static functions.
1995 (add_or_update_back_dep, add_or_update_back_forw_dep,
1996 add_back_forw_dep, delete_back_forw_dep): New functions.
1997 * sched-int.h (ds_t, dw_t): New typedefs.
1998 (struct sched_info): Add new field flags.
1999 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2000 Prototype new sched-deps.c functions.
2001 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2002 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2003 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2004 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2005 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2006 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2008 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2010 * sched-rgn.c (current_sched_info): Initialize flags field.
2011 (schedule_insns): Initialize current_sched_info before the sched_init
2013 * sched-ebb.c (current_sched_info): Initialize flags field.
2014 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2015 Call add_or_update_back_dep instead of add_dependence.
2016 Create control speculative dependencies.
2017 (schedule_insns): Initialize current_sched_info before the sched_init
2020 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2022 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2024 (sh_fallback_frame_state): Likewise.
2026 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2028 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2029 Do switch on default_use_cxa_atexit.
2030 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2031 * config/darwin-crt3.o: New.
2032 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2033 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2034 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2036 * config/rs6000/t-darwin: Move crt2.o building to here.
2037 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2038 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2041 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2043 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2044 from '! xxx' to '!xxx' for coding-style conformance.
2045 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2046 (EXTRA_CONSTRAINT): Likewise.
2047 * config/vax/vax.md (four unnamed insns): Likewise.
2049 2006-03-15 Paul Brook <paul@codesourcery.com>
2051 * config/arm/arm.c (minipool_pad): New.
2052 (add_minipool_forward_ref): Include pool alignment padding in address
2054 (push_minipool_fix): Set minipool_pad.
2055 (minipool_pad): Ditto.
2057 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2059 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2060 instead of GET_CODE() == MEM and REG_P() instead of
2062 (print_operand_address): Likewise.
2063 (vax_address_cost): Likewise.
2064 (vax_rtx_costs): Likewise.
2065 (vax_notice_update_cc): Likewise.
2066 (vax_output_int_add): Likewise.
2067 (INDEX_REGISTER_P): Likewise.
2068 (BASE_REGISTER_P): Likewise.
2069 (nonindexed_address_p): Likewise.
2070 (vax_mode_dependent_address_p): Likewise.
2071 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2072 (PRINT_OPERAND): Likewise.
2073 * config/vax/vax.md (ashlsi3): Likewise.
2074 (ashlsi3): Likewise.
2075 (some more unnamed insns): Likewise.
2077 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2079 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2080 iterator-style macro.
2081 (mark_control_dependent_edges_necessary): Update the use of
2082 EXECUTE_IF_CONTROL_DEPENDENT.
2084 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2086 * config/sh/predicates.md (cache_address_operand): Special.
2087 (ua_address_operand): Likewise.
2089 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2091 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2093 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2095 2006-03-15 Andreas Schwab <schwab@suse.de>
2097 * gensupport.c (identify_predicable_attribute): Don't free p_false
2098 when it is still in use.
2100 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2102 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2103 the default setting here.
2105 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2107 * tree-pass.h (pass_cfg): Remove.
2108 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2109 * passes.c (pass_cfg): Don't run it.
2111 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2113 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2114 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2116 (stack_regs_mentioned): Update the uses of
2117 stack_regs_mentioned_data. Don't access the array beyond its
2119 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2120 Don't include gt-reg-stack.h.
2122 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2123 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2125 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2128 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2131 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2133 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2135 2006-03-14 Richard Guenther <rguenther@suse.de>
2137 PR tree-optimization/26672
2138 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2141 2006-03-14 Richard Guenther <rguenther@suse.de>
2143 PR tree-optimization/26667
2144 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2145 node for the callees. Always allow inlining if it will shrink
2148 2006-03-14 Richard Guenther <rguenther@suse.de>
2151 * builtins.c (get_pointer_alignment): Prefer alignment
2152 information from decls over that from types.
2154 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2157 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2159 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2161 * config/rs6000/rs6000.opt (mdlmzb): New option.
2162 (msched-prolog, msched-epilog): Use Var not Mask.
2163 * doc/invoke.texi (-mdlmzb): Document.
2164 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2166 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2167 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2169 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2171 PR rtl-optimization/25739
2172 * bt-load.c (augment_live_range): Free tos pointer.
2174 * gensupport.c (identify_predicable_attribute): Free
2176 * gcov.c (create_file_names): Free name pointer.
2178 2006-03-13 Roger Sayle <roger@eyesopen.com>
2181 * stmt.c (emit_case_nodes): Handle the case where the index is a
2182 CONST_INT, where the comparison mode is specified by the index type.
2184 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2186 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2189 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2191 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2192 (*branch_fp_inverted): Likewise.
2194 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2197 * omp-low.c (expand_omp_for_generic): Mark istart0
2198 and iend0 as addressable.
2200 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2202 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2204 2006-03-13 Jeff Law <law@redhat.com>
2206 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2207 virtual operands are interesting.
2208 (vrp_visit_stmt): Corresponding changes.
2210 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2212 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2214 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2215 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2216 * config/bfin/crti.S: Use it instead of __PIC__.
2217 * config/bfin/crtn.S: Likewise.
2219 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2220 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2222 Lose 'G' modifier for call operand.
2223 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2224 recognize 'G' modifier.
2226 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2229 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2230 * stmt.c (expand_case): Likewise.
2232 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2234 PR rtl-optimization/26254
2235 * loop-invariant.c (seq_insns_valid_p): New function.
2236 (move_invariant_reg): Only emit new code if it is valid.
2238 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2240 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2242 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2243 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2244 (commit_one_edge_insertion): Do not look for loop notes.
2246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2248 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2249 flag_test_coverage out of loop.
2251 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2253 * final.c (shorten_branches): Remove outdated comment, and turn
2254 the if branch that guards it to continue.
2256 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2258 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2259 * cfgloop.h (struct loop): Remove unused fields.
2261 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2263 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2264 (-dL, -fdump-rtl-loop2): Update the dump file names
2266 * doc/invoke.texi: Update dump file names.
2268 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2270 * predict.c (estimate_probability): Remove.
2271 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2272 * basic-block.h (estimate_probability): Remove prototype.
2273 * passes.c (finish_optimization_passes): Dump branch prediction or
2274 profiling heuristics to the .profile tree dump.
2275 (init_optimization_passes): Unqueue pass_branch_prob.
2277 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2279 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2281 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2282 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2284 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2286 * function.h (frame_offset_overflow): Declare.
2287 * function.c (frame_offset_overflow): New function.
2288 (assign_stack_local_1): Call it to detect that the offset overflows.
2289 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2291 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2293 * config/sh/sh.c: Include alloc-pool.h.
2294 (label_ref_list_pool): New alloc pool.
2295 (label_ref_list_t): New type for lists of labels.
2296 (struct pool_node): Make wend a label_ref_list_t.
2297 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2299 (dump_table): Likewise.
2300 (sh_reorg): Set up the alloc pool before using add_constant and
2301 dump_table, and destroy it when finishing.
2303 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2305 * config/mips/mips.c: Remove redundant comment.
2307 2006-03-10 Jason Merrill <jason@redhat.com>
2310 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2311 the target was declared 'register'.
2313 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2315 * genpreds.c (write_insn_constraint_len): Change definition of
2316 insn_constraint_len to return size_t to match the declaration.
2318 2006-03-10 DJ Delorie <dj@redhat.com>
2320 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2322 (m32c_expand_insv): Fix test for an AND mask.
2324 2006-03-10 Richard Guenther <rguenther@suse.de>
2327 * builtins.c (get_pointer_alignment): Handle component
2328 references for field alignment.
2330 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2332 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2333 when building with libgloss.
2334 (sh*elf): Implement --without-fp option.
2335 (sh64-superh-linux*): Don't multilib.
2337 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2339 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2341 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2343 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2344 Set it when one of the replacement functions returned true.
2345 Return TODO_cleanup_cfg if cfgchanged is true.
2346 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2348 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2350 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2351 instead of gen_lowpart.
2353 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2355 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2357 (mips_output_order_conditional_branch): Declare.
2358 * config/mips/mips.h (MIPS_BRANCH): New macro.
2359 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2360 for the comparison. Use gen_condjump.
2361 (mips_output_conditional_branch): Rework interface to take the
2362 asm templates for a direct branch and the inverse of a direct branch.
2363 (mips_output_order_conditional_branch): New function.
2364 (mips_builtin_branch_and_move): New function.
2365 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2366 branch condition. Use gen_single_cc as the condition for
2367 __builtin_mips_upper_* or __builtin_mips_lower_*.
2368 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2369 Use VOIDmode for the branch condition.
2370 * config/mips/predicates.md (order_operator): New predicate.
2371 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2372 (branch_fp): Rename to...
2373 (*branch_fp): ...this. Remove mode from comparison operator.
2374 Use new mips_output_conditional_branch interface.
2375 (branch_fp_inverted): Rename to...
2376 (*branch_fp_inverted): ...this and update as for *branch_fp.
2377 (*branch_zero<mode>): Rename to...
2378 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2379 Use mips_output_order_conditional_branch. Only accept ordered
2381 (*branch_zero<mode>_inverted): Rename to...
2382 (*branch_order<mode>_inverted): ...this and update as for
2383 *branch_order<mode>.
2384 (*branch_equality<mode>): Accept zero as the second operand to
2385 the equality operator. Use the new mips_output_conditional_branch
2387 (*branch_equality<mode>_inverted): Likewise.
2388 (condjump): New expander.
2389 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2391 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2392 (bc1any2t, bc1any2f): Likewise.
2393 (single_cc): New expander.
2394 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2396 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2398 * doc/md.texi: Update documentation of MIPS constraints.
2399 * config/mips/constraints.md: New file.
2400 * config/mips/mips.md: Include it.
2401 * config/mips/mips.c (mips_char_to_class): Delete.
2402 (override_options): Don't initialize mips_char_to_class.
2403 * config/mips/mips.h (mips_char_to_class): Delete.
2404 (REG_CLASS_FROM_LETTER): Delete.
2405 (CONST_OK_FOR_LETTER_P): Delete.
2406 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2407 (EXTRA_CONSTRAINT_Y): Delete.
2408 (EXTRA_CONSTRAINT_STR): Delete.
2409 (CONSTRAINT_LEN): Delete.
2410 (EXTRA_MEMORY_CONSTRAINT): Delete.
2412 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2414 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2415 original fn's eh regions.
2417 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2419 * fold-const.c (build_range_check): Make sure to use a valid type to
2420 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2423 (range_predecessor): New static function.
2424 (range_successor): Likewise.
2425 (merge_ranges): Use them to compute predecessors and successors of
2428 2006-03-09 Roger Sayle <roger@eyesopen.com>
2431 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2432 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2434 2006-03-08 DJ Delorie <dj@redhat.com>
2436 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2437 (addpsi3): Expand to include memory operands. Remove
2438 reload-specific splits.
2439 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2440 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2441 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2442 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2443 (shift1_qi, shift1_hi, insv): New.
2444 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2445 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2446 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2448 * config/m32c/m32c-protos.h: Update as needed.
2449 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2450 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2451 Fail for unrecognized R* constraints.
2452 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2453 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2454 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2456 (m32c_init_libfuncs): New.
2457 (m32c_legitimate_address_p): Add debug wrapper.
2458 (m32c_rtx_costs): New.
2459 (m32c_address_cost): New.
2460 (conversions): Add 'B' prefix.
2461 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2462 operands, or word regnames for QI operands. 'B' prints bit
2464 (m32c_expand_setmemhi): New.
2465 (m32c_expand_movmemhi): New.
2466 (m32c_expand_movstr): New.
2467 (m32c_expand_cmpstr): New.
2468 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2469 (m32c_expand_neg_mulpsi3): Handle non-ints.
2470 (m32c_cmp_flg_0): New.
2471 (m32c_expand_movcc): New.
2472 (m32c_expand_insv): New.
2473 (m32c_scc_pattern): New.
2474 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2475 a0/a1 out of SIregs.
2476 (STORE_FLAG_VALUE): New.
2477 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2480 * config/m32c/mov.md: Make constraints more liberal.
2481 (zero_extendqihi2): Optimize r0/r1 case.
2482 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2483 * config/m32c/predicates.md (m32c_any_operand): New.
2484 (m32c_nonimmediate_operand): New.
2485 (m32c_hl_operand): New.
2486 (m32c_r3_operand): New.
2489 (memsym_operand): New.
2490 (memimmed_operand): New.
2491 (a_qi_operand): New.
2492 (m32c_eqne_operator): New.
2493 (m32c_1bit8_operand): New.
2494 (m32c_1bit16_operand): New.
2495 (m32c_1mask8_operand): New.
2496 (m32c_1mask16_operand): New.
2497 * config/m32c/blkmov.md: New file.
2498 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2500 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2502 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2503 unsigned to fix signed/unsigned comparison issue in
2504 DWARF2_FRAME_REG_OUT.
2505 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2506 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2508 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2509 of ptr into the ENABLE_CHECKING section.
2511 2006-03-08 Jeff Law <law@redhat.com>
2513 * tree-vrp.c (infer_value_range): Only count pointer uses
2514 and dereferences if -fdelete-null-pointer-checks is enabled.
2516 * tree-vrp.c (find_assert_locations): Infer value ranges for
2517 single use pointers, but do not create ASSERT_EXPRs for them.
2518 When a non-null range is inferred for a pointer, backwards
2519 propagate that range to other equivalent pointers through the
2522 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2525 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2526 language hook targets.
2527 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2528 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2529 if language hook targets were missing.
2531 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2533 * tree-ssa-opfinalize.h: Removed.
2534 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2536 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2537 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2538 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2539 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2540 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2541 finalize_ssa_v_must_def_ops): New.
2543 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2545 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2548 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2550 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2552 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2553 addresses with offsets; reorganize.
2555 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2556 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2557 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2559 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2562 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2564 2006-03-08 Ben Elliston <bje@au.ibm.com>
2566 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2568 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2571 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2574 2006-03-07 Richard Guenther <rguenther@suse.de>
2576 PR tree-optimization/26587
2577 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2579 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2581 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2583 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2585 * hooks.c (hook_bool_mode_rtx_true): New function.
2586 * hooks.h (hook_bool_mode_rtx_true): Declare.
2587 * toplev.c (compile_file): Call output_shared_constant_pool.
2588 * varasm.c (shared_constant_pool): New variable.
2589 (assemble_start_function, assemble_end_function): Remove arguments
2590 from call to output_constant_pool.
2591 (create_constant_pool): New function, split out from...
2592 (init_varasm_status): ...here.
2593 (force_const_mem): Choose between the shared and per-function constant
2594 pools. Set current_function_uses_const_pool when reusing old entries
2595 as well as when creating new ones.
2596 (mark_constant): Ignore data argument.
2597 (mark_constants): Remove pool argument.
2598 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2599 to decide whether the function uses a constant pool.
2600 (output_constant_pool_contents): New function, split out from...
2601 (output_constant_pool): ...here.
2602 (output_shared_constant_pool): New function.
2603 (init_varasm_once): Initialize shared_constant_pool.
2604 * output.h (output_constant_pool): Delete.
2605 (output_shared_constant_pool): Declare.
2606 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2607 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2609 2006-03-06 Nick Clifton <nickc@redhat.com>
2611 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2612 flag_strength_reduce.
2614 2006-03-06 Ben Elliston <bje@au.ibm.com>
2616 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2617 x86_64-*-linux* configurations.
2619 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2620 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2622 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2624 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2626 * basic-block.h: Remove the extern for
2627 rediscover_loops_after_threading.
2629 * cfgloop.c (cancel_loop): Make it static.
2630 * cfgloop.h: Remove the prototype for cancel_loop.
2632 * flow.c (recompute_reg_usage): Make it static.
2633 * rtl.h: Remove the prototype for recompute_reg_usage.
2635 * function.c (use_return_register): Make it static.
2636 * function.h: Remove the prototype.
2638 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2640 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2642 * recog.h: Remove the prototype for
2643 validate_change_maybe_volatile.
2645 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2647 * rtlanal.c (replace_reg): Remove.
2648 * rtl.h: Remove the prototype for replace_reg.
2650 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2652 * regclass.c (reg_scan_update): Remove.
2653 (reg_scan_mark_refs): Remove the last argument.
2654 * rtl.h: Remove the prototype for reg_scan_update.
2656 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2658 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2659 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2660 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2661 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2662 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2663 loop-invariant.c, omp-low.c, opts.c, passes.c,
2664 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2665 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2666 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2667 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2668 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2669 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2671 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2673 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2674 * dwarf2out.h: Remove the prototype for
2675 dwarf2out_add_library_unit_info.
2677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2679 * tree.c (add_var_to_bind_expr): Remove.
2680 * tree.h: Remove the prototype for add_var_to_bind_expr.
2682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2684 * regclass.c (n_non_fixed_regs): Remove.
2685 (init_reg_sets_1, globalize_reg): Remove all uses of
2687 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2689 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2691 * rtlanal.c (insns_safe_to_move_p): Remove.
2692 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2694 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2696 * expmed.c (expand_mult_add): Remove.
2697 * expr.h: Remove the prototype for expand_mult_add.
2699 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2701 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2702 and REG_SAVED_VAL_EXP constants.
2703 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2704 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2705 Handle regs stored by value.
2706 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2707 (execute_cfa_program): Handle DW_CFA_val_offset,
2708 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2709 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2710 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2711 (uw_install_context_1): Handle target regs stored by value.
2713 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2715 * tree-sra.c (tree_sra): Return todoflags;
2716 (generate_one_element): Set TODO_update_smt_usage if needed.
2717 (pass_sra): Remove TODO_update_smt_usage.
2718 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2720 (tree_ssa_forward_propagate_single_use_vars): Return
2721 TODO_update_smt_usage if we need to update SMT usage.
2722 (pass_forwprop): Remove TODO_update_smt_usage.
2724 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2726 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2727 (correct_use_link): Remove reference to get_stmt_operands.
2728 (update_stmt_operands): Likewise.
2729 (get_modify_expr_operands): New function factored out of
2730 parse_ssa_operands and get_expr_operands.
2731 Try to create V_MUST_DEFs for LHS by default.
2732 (get_expr_operands) <case MODIFY_EXPR>: Call
2733 get_modify_expr_operands.
2734 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2735 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2736 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2737 get_modify_expr_operands.
2739 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2741 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2742 * tree-flow.h: Remove the prototype for
2743 referenced_var_lookup_if_exists.
2745 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2747 PR rtl-optimization/26345
2749 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2751 2006-03-03 Roger Sayle <roger@eyesopen.com>
2753 PR tree-optimization/26524
2754 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2755 fold_convert to create a constant of the appropriate type.
2757 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2759 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2760 SYMBOL_REF_IN_BLOCK_P.
2761 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2762 of SYMBOL_FLAG_IN_BLOCK.
2763 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2764 instead of SYMBOL_REF_IN_BLOCK_P.
2765 * explow.c (use_anchored_address): Likewise.
2766 * rtl.c (rtx_size): Likewise.
2767 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2768 instead of SYMBOL_FLAG_IN_BLOCK.
2769 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2770 SYMBOL_REF_IN_BLOCK_P.
2771 (assemble_variable): Likewise.
2772 (output_constant_def_contents): Likewise.
2773 (output_constant_pool): Likewise.
2774 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2775 instead of SYMBOL_FLAG_IN_BLOCK.
2776 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2777 SYMBOL_REF_IN_BLOCK_P.
2778 (SYMBOL_REF_BLOCK): Likewise.
2779 (SYMBOL_REF_OFFSET): Likewise.
2780 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2781 SYMBOL_REF_IN_BLOCK_P.
2782 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2783 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2784 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2785 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2787 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2789 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2791 2006-03-02 Roger Sayle <roger@eyesopen.com>
2793 * simplify-rtx.c (simplify_unary_operation): When simplifying
2794 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2795 that we perform the right shift in the appropriate mode, and
2796 then extend or truncate the result to requested mode.
2798 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2800 * gengtype.c (main): Handle double_int type.
2801 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2802 * double-int.c: New file.
2803 * double-int.h: New file.
2804 * system.h: Include doubleint.h.
2805 * Makefile.in (SYSTEM_H): Include double-int.h.
2806 (double-int.o): Add.
2808 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2811 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2814 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2816 * tree-vrp.c (remove_range_assertions): Do not update statements
2819 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2821 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2823 * gcse.c (rest_of_handle_gcse): Ditto.
2824 * except.c (gate_handle_eh): Ditto.
2825 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2826 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2828 2006-03-02 Eric Christopher <echristo@apple.com>
2830 * config/i386/i386.c (machopic_output_stub): Add indirection to
2833 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2837 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2839 Sun Niagara specific optimizations.
2840 * config.gcc: Recognize niagara as target.
2841 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2842 (TARGET_CPU_niagara): Define.
2843 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2844 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2845 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2846 (ASM_CPU_SPEC): Likewise.
2847 (PROCESSOR_NIAGARA): New enum entry.
2848 (REGISTER_MOVE_COST): Handle Niagara.
2849 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2850 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2851 (sparc_override_options): Recognize "niagara", set appropriate
2852 default MASK_* values for it, and align functions to 32-bytes
2853 by default just like ULTRASPARC/ULTRASPARC3.
2854 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2855 (sparc64_initialize_trampoline): Likewise.
2856 (sparc_use_sched_lookahead): Use zero for niagara.
2857 (sparc_issue_rate): Use one for niagara.
2858 * config/sparc/niagara.md: New file.
2859 * config/sparc/sparc.md: Include it.
2860 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2861 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2862 when default cpu is niagara.
2863 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2864 (ASM_CPU_SPEC): Likewise.
2865 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2866 when default cpu is niagara.
2867 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2868 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2869 just like v9/ultrasparc/ultrasparc3.
2870 * doc/invoke.texi: Add documentation for "niagara" and improve
2871 existing documentation for ultrasparc variants.
2873 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2875 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2877 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2879 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2880 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2881 and say that only one is needed.
2882 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2883 * target.h (have_switchable_bss_sections): New hook.
2884 * explow.c (use_anchored_address): Check that the symbol is in a block.
2885 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2886 (bss_noswitch_section): New variables.
2887 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2888 (get_noswitch_section): New function.
2889 (get_block_for_section): Allow SECT to be null.
2890 (unlikely_text_section_p): Use SECTION_STYLE.
2891 (bss_initializer_p): New function.
2892 (get_variable_section): Move earlier in file. Take a new argument,
2893 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2894 Return one of the new *_sections in such cases.
2895 (get_block_for_decl): New function, extracting some logic from
2896 use_blocks_for_decl_p.
2897 (change_symbol_section): Remove in favor of...
2898 (change_symbol_block): ...this new function.
2899 (use_blocks_for_decl_p): Remove checks now performed by
2901 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2902 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2903 (emit_local, emit_bss, emit_common): ...these new functions.
2904 Return true if the alignment was honored.
2905 (emit_tls_common): New function.
2906 (asm_emit_uninitialised): Delete.
2907 (assemble_variable_noswitch): New function, split out from...
2908 (assemble_variable): ...here. Don't make decisions about common
2909 variables here. Globalize all public decls that go into non-common
2910 sections. Check whether SYMBOL_REF_BLOCK is null.
2911 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2912 (output_constant_pool): Likewise.
2913 (init_varasm_once): Initialize the new section variables.
2914 (have_global_bss_p): New function.
2915 (categorize_decl_for_section): Use bss_initializer_p.
2916 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2917 (place_block_symbol): Assert that the symbol must be in a block.
2918 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2919 (TARGET_INITIALIZER): Include it.
2920 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2921 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2922 (SECTION_MACH_DEP): Bump by two.
2923 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2924 (unnamed_section): Mention SECTION_UNNAMED in comment.
2925 (named_section): Likewise SECTION_NAMED.
2926 (noswitch_section_callback): New type.
2927 (noswitch_section): New structure.
2928 (section): Add a noswitch_section alternative.
2929 (SECTION_STYLE): New macro.
2930 (tls_comm_section, comm_section, lcomm_section): Declare.
2931 (bss_noswitch_section, have_global_bss_p): Declare.
2932 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2933 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2935 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2936 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2939 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2941 * gcc/tree-vrp.c (execute_vrp): Return value.
2942 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2943 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2944 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2945 (tree_lower_complex_O0): Ditto.
2946 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2947 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2948 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2949 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2950 (execute_tail_calls): Ditto.
2951 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2952 * gcc/tree.h (init_function_for_compilation): Ditto.
2953 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2954 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2955 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2956 * gcc/final.c (compute_alignments): Ditto.
2957 (rest_of_handle_final): Ditto.
2958 (rest_of_handle_shorten_branches): Ditto.
2959 (rest_of_clean_state): Ditto.
2960 * gcc/omp-low.c (execute_expand_omp): Ditto.
2961 (execute_lower_omp): Ditto.
2962 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2963 * gcc/ipa-reference.c (static_execute): Ditto.
2964 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2965 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2966 (rest_of_handle_machine_reorg): Ditto.
2967 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2968 * gcc/flow.c (recompute_reg_usage): Ditto.
2969 (rest_of_handle_remove_death_notes): Ditto.
2970 (rest_of_handle_life): Ditto.
2971 (rest_of_handle_flow2): Ditto.
2972 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2973 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2974 (do_ssa_store_ccp): Ditto.
2975 (execute_fold_all_builtins): Ditto.
2976 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2977 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2978 * gcc/ipa-pure-const.c (static_execute): Ditto.
2979 * gcc/cse.c (rest_of_handle_cse): Ditto.
2980 (rest_of_handle_cse2): Ditto.
2981 * gcc/web.c (rest_of_handle_web): Ditto.
2982 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2983 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2984 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2985 * gcc/tree-nrv.c (tree_nrv): Ditto.
2986 (execute_return_slot_opt): Ditto.
2987 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2988 (create_structure_vars): Ditto.
2989 * gcc/loop-init.c (rtl_loop_init): Ditto.
2990 (rtl_loop_done): Ditto.
2991 (rtl_move_loop_invariants): Ditto.
2992 (rtl_unswitch): Ditto.
2993 (rtl_unroll_and_peel_loops): Ditto.
2994 (rtl_doloop): Ditto.
2995 * gcc/gimple-low.c (lower_function_body): Ditto.
2996 (mark_used_blocks): Ditto.
2997 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2998 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2999 (cgraph_early_inlining): Ditto.
3000 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3001 * gcc/jump.c (cleanup_barriers): Ditto.
3002 (purge_line_number_notes): Ditto.
3003 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3004 (rest_of_handle_if_after_reload): Ditto.
3005 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3006 (tree_ssa_loop_im): Ditto.
3007 (tree_ssa_loop_unswitch): Ditto.
3008 (tree_vectorize): Ditto.
3009 (tree_linear_transform): Ditto.
3010 (tree_ssa_loop_ivcanon): Ditto.
3011 (tree_ssa_empty_loop): Ditto.
3012 (tree_ssa_loop_bounds): Ditto.
3013 (tree_complete_unroll): Ditto.
3014 (tree_ssa_loop_prefetch): Ditto.
3015 (tree_ssa_loop_ivopts): Ditto.
3016 (tree_ssa_loop_done): Ditto.
3017 * gcc/predict.c (tree_estimate_probability): Ditto.
3018 * gcc/recog.c (split_all_insns_noflow): Ditto.
3019 (rest_of_handle_peephole2): Ditto.
3020 (rest_of_handle_split_all_insns): Ditto.
3021 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3022 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3023 (rest_of_handle_stack_adjustments): Ditto.
3024 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3025 * gcc/function.c (instantiate_virtual_regs): Ditto.
3026 (init_function_for_compilation): Ditto.
3027 (rest_of_handle_check_leaf_regs): Ditto.
3028 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3029 (rest_of_handle_gcse): Ditto.
3030 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3031 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3032 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3033 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3034 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3035 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3036 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3037 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3038 * gcc/except.c (set_nothrow_function_flags): Ditto.
3039 (convert_to_eh_region_ranges): Ditto.
3040 (rest_of_handle_eh): Ditto.
3041 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3042 (remove_unnecessary_notes): Ditto.
3043 * gcc/except.h (set_nothrow_function_flags): Ditto.
3044 (convert_to_eh_region_ranges): Ditto.
3045 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3046 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3047 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3048 (execute_fre): Ditto.
3049 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3050 (rest_of_handle_jump2): Ditto.
3051 * gcc/tree-sra.c (tree_sra): Ditto.
3052 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3053 (execute_mudflap_function_decls): Ditto.
3054 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3055 (do_store_copy_prop): Ditto.
3056 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3057 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3058 * gcc/tree-ssa-forwprop.c
3059 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3060 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3061 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3062 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3063 (execute_late_warn_uninitialized): Ditto.
3064 * gcc/rtl.h (cleanup_barriers): Ditto.
3065 (split_all_insns_noflow): Ditto.
3066 (purge_line_number_notes): Ditto.
3067 (unshare_all_rtl): Ditto.
3068 (remove_unnecessary_notes): Ditto.
3069 (recompute_reg_usage): Ditto.
3070 (variable_tracking_main): Ditto.
3071 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3072 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3073 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3074 (execute_free_cfg_annotations): Ditto.
3075 (execute_fixup_cfg): Ditto.
3076 (execute_cleanup_cfg_pre_ipa): Ditto.
3077 (execute_cleanup_cfg_post_optimizing): Ditto.
3078 (execute_init_datastructures): Ditto.
3079 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3080 * gcc/combine.c (rest_of_handle_combine): Ditto.
3081 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3082 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3083 (rest_of_handle_reorder_blocks): Ditto.
3084 (rest_of_handle_partition_blocks): Ditto.
3085 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3086 * gcc/tree-profile.c (tree_profiling): Ditto.
3087 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3088 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3089 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3090 (rest_of_handle_sched2): Ditto.
3091 * gcc/basic-block.h (free_bb_insn): Ditto.
3092 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3093 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3094 (remove_useless_stmts): Ditto.
3095 (split_critical_edges): Ditto.
3096 (execute_warn_function_return): Ditto.
3097 (execute_warn_function_noreturn): Ditto.
3098 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3099 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3100 * gcc/passes.c (execute_one_pass): Run additional
3101 todos returned by execute function.
3102 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3105 2006-03-02 Richard Guenther <rguenther@suse.de>
3107 * tree-ssa-alias.c (find_used_portions): Consider taking
3108 the address as making the variable not write-only.
3110 2006-03-02 Nick Clifton <nickc@redhat.com>
3112 * config.gcc (default_use_cxa_atexit): Extend the description of
3113 this configure variable. Set its default value to "yes" for
3114 Linux, NetBSD and ELF targets on the assumption that they will
3115 use C libraries with the __cxa_atexit function.
3117 2006-03-02 Ben Elliston <bje@au.ibm.com>
3119 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3120 parameter as unused to suppress a build warning.
3122 2006-03-02 Ben Elliston <bje@au.ibm.com>
3124 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3127 2006-03-01 Roger Sayle <roger@eyesopen.com>
3130 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3131 declared name, the weak reference name, and the typeof name.
3132 (__gthrw): Avoid expanding the declared name suffix.
3133 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3135 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3137 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3139 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3140 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3141 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3142 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3143 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3144 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3145 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3146 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3147 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3148 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3149 (DW_END_default, DW_END_big, DW_END_little): New.
3150 (DW_END_lo_user, DW_END_hi_user): Define.
3151 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3152 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3153 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3156 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3158 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3160 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3162 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3164 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3166 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3167 to 'symbol_mem_tag'.
3169 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3172 2006-03-01 Roger Sayle <roger@eyesopen.com>
3174 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3176 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3179 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3180 MACHO_DYNAMIC_NO_PIC_P.
3181 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3183 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3186 * config/darwin-protos.h (darwin_asm_output_anchor):
3188 * config/darwin-sections.def (cstring_section):
3189 Add SECTION_MERGE to the flags.
3190 (literal4_section): Likewise.
3191 (literal8_section): Likewise.
3192 (objc_selector_refs_section): Likewise.
3193 (objc_cls_refs_section): Likewise.
3194 * config/darwin.c (darwin_asm_output_anchor): New
3196 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3198 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3200 Fix PR tree-optimization/26443
3201 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3202 to todo and PROP_tmt_usage to properties_destroyed.
3203 * tree-ssa-ccp.c (pass_ccp): Ditto.
3204 (pass_store_ccp): Ditto.
3205 * tree-ssa-dom.c (pass_dominator): Ditto.
3207 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3209 * tree-ssa-operands.c: Cleanup whitespace.
3210 (get_asm_expr_operands): Move before first invocation.
3211 (get_indirect_ref_operands): Likewise.
3212 (get_tmr_operands): Likewise.
3213 (get_call_expr_operands): Likewise.
3214 (append_def): Likewise.
3215 (append_use): Likewise.
3216 (append_v_may_def): Likewise.
3217 (append_v_must_def): Likewise.
3218 (add_call_clobber_ops): Likewise.
3219 (add_call_read_ops): Likewise.
3220 (add_stmt_operand): Likewise.
3221 (add_virtual_operand): Likewise.
3222 (build_ssa_operands): Likewise.
3224 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3229 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3230 with a call expr to ...
3231 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3233 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3235 * tree-vrp.c (extract_range_from_assert): Remove special
3236 handling for types with super-types.
3238 2006-03-01 Ben Elliston <bje@au.ibm.com>
3240 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3241 and powerpc64-*-linux* configurations.
3242 * config/t-dfprules: New file.
3244 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3245 Compile dfp-bit.c from the source directory using -DWIDTH and
3246 $DFP_CFLAGS to control the compilation of that file, rather than
3247 generating width-specific versions in the build directory.
3248 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3249 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3251 2006-02-28 Zack Weinberg <zackw@panix.com>
3253 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3256 2006-02-28 Eric Christopher <echristo@apple.com>
3258 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3259 Set up IN_LIBGCC definition of TARGET_64BIT.
3260 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3262 2006-02-28 Roger Sayle <roger@eyesopen.com>
3265 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3266 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3267 cases via the construction of "expr != 0".
3269 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3271 * alias.c (alias_invariant, alias_invariant_size): Remove.
3272 (record_base_value): Remove.
3273 (memrefs_conflict_p): Don't look at alias_invariant.
3274 (end_alias_analysis): Don't free it.
3275 * alias.h (record_base_value): Remove prototype.
3277 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3278 Adam Nemet <anemet@caviumnetworks.com>
3280 * rtl.h (truncated_to_mode): Declare it.
3281 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3282 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3283 (RTL_HOOKS_INITIALIZER): Include it.
3284 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3285 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3286 reg_truncated_to_mode.
3287 * rtlanal.c (truncated_to_mode): Define it.
3288 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3290 2006-02-28 Jeff Law <law@redhat.com>
3292 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3293 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3294 the range allowed by TYPE_PRECISION.
3296 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3298 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3300 PR tree-optimization/26419
3301 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3304 2006-02-27 Zack Weinberg <zackw@panix.com>
3306 * doc/md.texi: Fix typo in previous change.
3308 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3312 2006-02-27 Zack Weinberg <zackw@panix.com>
3314 * rtl.def (define_constraint, define_register_constraint)
3315 (define_memory_constraint, define_address_constraint): New MD forms.
3316 * gensupport.c (process_rtx): Put define_constraint etc on the
3318 * genpreds.c (process_define_predicate): Adjust comment. Validate
3319 the name, and call validate_exp to validate the expression.
3320 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3321 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3322 all callers changed.
3323 (validate_exp, needs_variable, struct constraint_data)
3324 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3325 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3326 (const_dbl_constraints, constraint_max_namelen)
3327 (have_register_constraints, have_memory_constraints)
3328 (have_address_constraints, have_address_constraints)
3329 (have_extra_constraints, have_const_int_constraints)
3330 (have_const_dbl_constraints, mangle, add_constraint)
3331 (process_define_constraint, process_define_register_constraint)
3332 (write_enum_constraint_num, write_lookup_constraint)
3333 (write_insn_constraint_len, write_regclass_for_constraint)
3334 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3335 (write_insn_extra_memory_constraint)
3336 (write_insn_extra_address_constraint)
3337 (write_satisfies_constraint_fns): New.
3338 (write_tm_preds_h): If we have new-style constraint definitions,
3339 prototype the functions generated from them, and define the
3340 old constraint interface (still used by generic code) in terms of
3342 (write_insn_preds_c): If we have new-style constraint definitions,
3343 generate all relevant functions from those definitions.
3344 (main): Handle define_constraint etc.
3345 * genoutput.c (struct constraint_data, indep_constraints)
3346 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3347 (mdep_constraint_len): New data structures and functions, defined
3348 #ifdef USE_MD_CONSTRAINTS.
3349 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3350 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3351 use new logic to validate operand constraints against constraint
3353 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3355 * defaults.h: If none of the old-style constraint macros are
3356 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3357 old-style macros; and poison REG_CLASS_FROM_LETTER,
3358 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3360 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3361 * doc/md.texi: Document new constraint-definition mechanism and the
3362 C interface it provides. Remove references to old mechanism
3363 elsewhere in the document.
3364 (Machine Constraints): Use pathnames relative to gcc directory,
3365 i.e. config/ARCH/FILE. Change i386 section to refer to
3366 config/i386/predicates.md; update that section to match docstrings.
3367 * doc/tm.texi: Move all documentation of the old constraint-
3368 definition macros to their own section, clearly mark as obsolete.
3370 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3371 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3373 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3374 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3375 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3377 (splits and peepholes): Use satisfies_constraint_*.
3378 * config/i386/i386.c (memory_address_length)
3379 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3381 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3383 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3384 scalar operation to be put back into the loop.
3386 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3389 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3390 (extract_cie_info): Handle S flag in augmentation string.
3391 (execute_cfa_program): If context->signal_frame, execute also
3392 fs->pc == context->ra instructions.
3393 (uw_frame_state_for): If context->signal_frame, don't subtract one
3394 from context->ra to find FDE.
3395 (uw_update_context_1): Set context->signal_frame to
3397 (_Unwind_GetIPInfo): New function.
3398 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3399 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3401 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3402 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3403 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3404 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3405 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3406 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3407 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3408 x86_64_fallback_frame_state): Set fs->signal_frame.
3409 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3410 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3411 (frob_update_context): Likewise. Workaround missing S flag in
3412 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3413 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3414 Remove the psw_addr + 1 hack.
3416 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3418 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3419 with aggregates here.
3420 (find_func_aliases): Remove code for &<aggregate> from here.
3422 2006-02-26 Roger Sayle <roger@eyesopen.com>
3424 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3425 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3426 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3429 2006-02-26 Roger Sayle <roger@eyesopen.com>
3432 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3434 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3436 * opts.c (decode_options): Do not handle flag_strength_reduce.
3437 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3438 and OPT_fstrength_reduce.
3439 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3440 flag_prefetch_loop_arrays for being nonzero.
3441 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3443 (fprefetch-loop-arrays-rtl): Removed.
3444 (flag_prefetch_loop_arrays): Do not specify the value.
3446 * doc/passes.texi: Update documentation of loop optimizer
3448 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3449 -frerun-loop-opt): Remove.
3451 2006-02-26 Richard Guenther <rguenther@suse.de>
3453 PR tree-optimization/26421
3454 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3455 in function calls that are ADDR_EXPRs as using the whole structure.
3457 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3459 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3460 * tree-pass.h (pass_loop_optimize): Remove.
3461 * passes.c (pass_loop_optimize): Never run it.
3462 * toplev.c (backend_init): Don't call init_loop.
3463 * opts.c (flag_loop_optimize_set): Remove.
3464 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3465 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3466 the old RTL loop optimizer when profiling enabled.
3467 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3468 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3469 pre-headers for the sake of the old RTL loop optimizer.
3470 * Makefile.in: Remove all references to loop.o.
3472 * doc/invoke.texi: Remove all references to -floop-optimize
3473 and -frerun-loop-opt.
3475 2006-02-26 Zack Weinberg <zackw@panix.com>
3477 * doc/md.texi (Machine Constraints): Refer to all files with paths
3478 relative to gcc directory (i.e. config/CPU/file). Add missing
3479 @table @code ... @end table to M32C subsection.
3481 2006-02-26 Roger Sayle <roger@eyesopen.com>
3483 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3485 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3487 2006-02-26 Roger Sayle <roger@eyesopen.com>
3488 James A. Morrison <phython@gcc.gnu.org>
3491 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3492 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3493 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3494 signedness of the shift operation.
3496 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3498 PR tree-optimization/26359
3499 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3501 2006-02-25 Roger Sayle <roger@eyesopen.com>
3503 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3504 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3505 as X == 0, and some symmetry related transformations.
3506 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3508 2006-02-25 Roger Sayle <roger@eyesopen.com>
3511 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3512 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3513 symmetry related transformations. Fold (X^C1) == C2 as
3516 2006-02-25 Juergen Weigert <jw@suse.de>
3517 Richard Guenther <rguenther@suse.de>
3519 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3521 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3523 * combine.c (gen_lowpart_or_truncate): Call
3524 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3526 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3528 * doc/invoke.texi: Move -fopenmp description to "Options for
3530 Remove reference to -lgomp.
3532 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3534 * doc/install.texi: Require GNU tar version 1.14.
3536 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3538 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3539 * doc/invoke.texi (C++ Dialect Options): Document
3540 -fno-use-cxa-get-exception-ptr.
3541 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3542 * configure: Regenerate.
3543 * c.opt (fuse-cxa-get-exception-ptr): New.
3544 * c-opts.c (c_common_handle_option): Handle
3545 OPT_fuse_cxa_get_exception_ptr.
3546 * c-common.c (flag_use_cxa_atexit): Update documentation.
3547 (flag_use_cxa_get_exception_ptr): New.
3548 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3549 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3551 (C_COMMON_OVERRIDE_OPTIONS): New.
3553 2006-02-24 Roger Sayle <roger@eyesopen.com>
3556 * combine.c (try_combine): Explicitly check whether GET_CODE is
3557 a SET or a CLOBBER, instead on checking that it isn't a USE.
3559 2006-02-24 Roger Sayle <roger@eyesopen.com>
3561 * fold-const.c (fold_comparison): New subroutine of fold_binary
3562 containing transformations common to both the equality and
3563 ordering relational operators, factored out of fold_binary.
3564 (fold_binary): Separate out the equality operators (EQ_EXPR
3565 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3566 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3567 transformations common to both.
3568 (fold_div_compare): Fix latent bugs in the previously unreachable
3569 LT_EXPR and GE_EXPR cases.
3571 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3573 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3574 decl libname for clog to __clog on AIX.
3576 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3578 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3581 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3582 output traceback table for thunks. Localise rs6000_stack_info call.
3584 2006-02-23 Roger Sayle <roger@eyesopen.com>
3585 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3587 * gthr-posix.h (__gthrw): Fix typo in comment.
3589 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3591 * doc/cpp.texi (Character sets): Document that we do support
3592 input files to be in any character set.
3594 2006-02-23 Jeff Law <law@redhat.com>
3596 * tree.h (PHI_ARG_NONZERO): Remove.
3597 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3598 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3599 node to the new node.
3601 PR tree-optimization/26425
3602 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3603 min/max, then assume its varying.
3605 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3607 PR rtl-optimization/26316
3608 * rtlanal.c (enum may_trap_p_flags): New.
3609 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3610 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3611 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3612 (may_trap_after_code_motion_p): New function.
3613 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3614 (find_invariant_insn): Use may_trap_after_code_motion_p.
3615 * rtl.h (may_trap_after_code_motion_p): Declare.
3617 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3619 * emit-rtl.c (immed_double_const): Cleanup.
3621 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3623 Fix PR tree-optimization/26376
3624 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3627 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3630 * gimplify.c (omp_add_variable): Guard variable size decl test with
3631 DECL_SIZE (decl) check.
3633 2006-02-23 Richard Guenther <rguenther@suse.de>
3636 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3637 like aggregate types.
3639 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3641 * configure.ac: Add --with{,out}-long-double-128 configure option.
3642 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3643 * configure: Rebuilt.
3644 * config.in: Rebuilt.
3645 * doc/install.texi (Options specification): Document
3646 --with-long-double-128.
3648 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3649 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3650 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3651 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3653 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3655 * config/s390/s390.c (override_options): Handle
3656 TARGET_DEFAULT_LONG_DOUBLE_128.
3658 * config/alpha/alpha.c (override_options): Handle
3659 TARGET_DEFAULT_LONG_DOUBLE_128.
3661 * config/sparc/sparc.c (sparc_override_options): Handle
3662 TARGET_DEFAULT_LONG_DOUBLE_128.
3664 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3666 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3667 (real-install-headers-tar, real-install-headers-cpio)
3668 (real-install-headers-cp): New targets.
3670 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3672 * tree.h (variable_section): Delete.
3673 * varasm.c (variable_section): Delete.
3675 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3677 * install.texi: Add notes on install.texi2html.
3678 (Building in parallel): Do not use footnotes.
3680 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3683 * doc/install.texi (Configuration): Document --disable-libgomp.
3685 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3687 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3689 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3691 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3692 (vec_extractv2df_0_sse): New.
3694 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3696 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3697 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3698 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3699 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3700 to the result of the expression.
3701 (def_cfa_1): Adjust.
3702 (frame_pointer_cfa_offset): Rename to...
3703 (frame_pointer_fb_offset): ... this. Adjust all uses.
3704 (convert_cfa_to_loc_list): Rename to...
3705 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3706 Pass it on to build_cfa_loc.
3707 (compute_frame_pointer_to_cfa_displacement): Rename to...
3708 (compute_frame_pointer_to_fb_displacement): ... this. New
3709 offset parameter. Use it in computation.
3710 (gen_subprogram_die): Compute cfa_fb_offset with the new
3711 macro, and use it to compute the fb loc list and the
3714 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3716 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3717 replaced with register_operand.
3718 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3719 non-DREG is expensive.
3720 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3721 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3724 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3726 * doc/install.texi2html: Use set -e.
3728 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3730 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3731 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3732 * doc/invoke.texi (-fshared-data): Delete.
3733 * common.opt (fshared-data): Delete.
3734 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3735 (assemble_static_space): Remove #if 0 code.
3736 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3737 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3738 * config/cris/cris.h: Remove FIXME.
3740 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3742 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3745 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3748 * combine.c (simplify_shift_const_1): Disable nested shifts
3749 optimization for vector shifts.
3751 2006-02-20 Roger Sayle <roger@eyesopen.com>
3753 PR tree-optimization/26361
3754 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3755 of unsigned integer types.
3757 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3759 * tree-chrec.c (eq_evolutions_p): New.
3760 * tree-chrec.h (eq_evolutions_p): Declared.
3761 * tree-data-ref.c: Fix formatting.
3762 (datadep_stats, dependence_stats): New.
3764 (print_direction_vector): New.
3765 (dump_data_dependence_relation): Use print_direction_vector.
3766 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3767 (compute_subscript_distance): Static.
3768 (initialize_data_dependence_relation): Static. Get the number
3769 of loops surrounding the references from the callers, and initialize
3770 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3771 base_object_differ_p analyzers.
3772 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3773 compute_overlap_steps_for_affine_1_2,
3774 analyze_subscript_affine_affine): Count the classified dependences.
3775 Print a message when a test failed.
3776 (can_use_analyze_subscript_affine_affine): New.
3777 (analyze_siv_subscript): Compute the data dependences on symbolic
3778 scevs that verify can_use_analyze_subscript_affine_affine.
3779 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3780 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3781 Handle symbolic scevs.
3782 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3784 (subscript_dependence_tester): Moved...
3785 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3786 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3787 DDR_SIZE_VECT instead of getting it in parameter.
3788 (subscript_dependence_tester): ... here. Take as a parameter
3789 loop_nest_depth. Call build_classic_dist_vector and
3790 build_classic_dir_vector.
3791 (compute_affine_dependence): Update subscript_dependence_tester
3792 parameters. Update datadep_stats counters. Call
3793 compute_subscript_distance.
3794 (compute_self_dependence): Save the dist and dir vectors. Call
3795 compute_subscript_distance.
3796 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3797 (compute_all_dependences): Reorder parameters as they were before
3798 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3799 compute_subscript_distance. Update the use of
3800 compute_affine_dependence and initialize_data_dependence_relation.
3801 (find_data_references_in_loop): Handle COMPONENT_REF.
3802 (compute_data_dependences_for_loop): Initialize dependence_stats.
3803 Don't call build_classic_dist_vector and build_classic_dir_vector.
3804 Update the parameters of initialize_data_dependence_relation and
3805 compute_all_dependences. Print the statistics from datadep_stats.
3806 (analyze_all_data_dependences): Static. Not used until the pass for
3807 checking the data dependences is contributed.
3808 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3809 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3810 (initialize_data_dependence_relation, compute_affine_dependence,
3811 analyze_all_data_dependences, compute_subscript_distance): Removed.
3812 (print_direction_vector): New.
3813 * lambda.h (gcd): ... here.
3814 (lambda_vector_gcd): Moved here from gcd_vector.
3815 * lambda-code.c (gcd, gcd_vector): Removed.
3816 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3817 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3819 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3821 * ipa-type-escape.c: Tidy some comments and white space.
3822 * tree-ssa-operands.c: Likewise.
3824 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3827 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3828 (dump_decl_name): Do not walk the decl tree chains.
3829 * tree-pass.h (TDF_CHAIN): Remove.
3831 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3833 * Makefile.in (C): Remove
3835 (.PHONY): Remove C and PROTO
3837 2006-02-20 Roger Sayle <roger@eyesopen.com>
3840 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3841 deprecated CHAR_TYPE tree code.
3843 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3845 * configure.ac (target_list): Add install-info, dvi, html.
3846 * configure: Regenerate.
3848 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3849 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3850 treelang/Make-lang.in: Do not use double-colon rules.
3852 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3854 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3855 (TMT_USED_ALONE): New macro.
3856 * tree-pass.h (PROP_tmt_usage): New property.
3857 (TODO_update_tmt_usage): New todo.
3858 * tree-ssa-alias.c (updating_used_alone): New variable.
3859 (recalculate_used_alone): New function.
3860 (compute_may_aliases): Set updating_used_alone, call
3861 recalculate_used_alone.
3862 * tree-sra.c (pass_sra): Note that this pass destroys
3863 PROP_tmt_usage, and add TODO_update_tmt_usage.
3864 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3865 * tree-flow.h (updating_used_alone): Prototype.
3866 (recalculate_used_alone): Ditto.
3867 * passes.c (execute_todo): Add code to set updating_used_alone,
3868 and call recalculate.
3869 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3870 for clobber if used alone, and add assert to verify used_alone
3873 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3875 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3876 for non tls symbols added.
3877 (legitimize_address): Do nothing for PLUS expressions if one of the
3878 addends is a tls symbol reference.
3880 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3884 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3886 * Makefile.in (BOOTSTRAPPING): New.
3887 (quickstrap): New definition if BOOTSTRAPPING=yes.
3889 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3890 * configure.ac: Substitute all_selected_languages with the languages
3891 that were configured. For all the other variables except
3892 lang_specs_files, include all the languages in the tree.
3893 * configure: Regenerate.
3895 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3896 if there is one. Run the commands to run fixincludes in the same
3899 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3900 * doc/install.texi: Document exact conventions for searching target tools.
3901 Document --with-build-time-tools. Document toplevel bootstrap. Document
3902 something more about building an Ada cross-compiler. Don't list GNU Make
3903 requirements which affect all platforms.
3905 2006-02-19 Roger Sayle <roger@eyesopen.com>
3908 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3909 only equivalent if the have both the same mode and precision.
3911 2006-02-20 Ben Elliston <bje@au.ibm.com>
3913 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3915 2006-02-19 Roger Sayle <roger@eyesopen.com>
3916 Steven Bosscher <stevenb.gcc@gmail.com>
3918 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3919 constant pool references to identify stack mode constants.
3920 * rtlanal.c (constant_pool_constant_p): New predicate to check
3921 whether operand is a floating point constant in the pool.
3922 * rtl.h (constant_pool_constant_p): Prototype here.
3923 * loop.c (scan_loop): Avoid hoisting constants from the constant
3924 pool on STACK_REGS targets.
3925 (load_mems): Likewise.
3926 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3927 loads into x87 registers expensive in terms of register pressure.
3929 2006-02-19 Roger Sayle <roger@eyesopen.com>
3931 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3932 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3934 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3936 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3937 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3939 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3941 * doc/invoke.texi: Document -fipa-pta.
3942 * common.opt: Add ipa-pta option.
3943 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3944 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3945 (do_ds_constraint): Ditto.
3946 (get_constraint_for): Only add to referenced_vars if
3947 referenced_vars exists.
3948 (insert_into_field_list): Rewrite to do this unsorted.
3949 (insert_into_field_list_sorted): Rename old insert_into_field_list
3951 (create_function_info_for): Use insert_into_field_list_sorted.
3952 (create_variable_info_for): Rewrite so it uses unsorted version,
3953 since the field list is sorted.
3954 (intra_create_variable_infos): Only add to referenced_vars if
3955 referenced_vars exists.
3956 (ipa_pta_execute): Init heapvars, and delete when done.
3957 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3959 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3961 * doc/install.texi: Add missing `@samp'.
3963 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3965 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3968 2006-02-18 Mark Wielaard <mark@klomp.org>
3970 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3971 who added new 4.1 features, bug fixes and integration support.
3973 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3976 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3979 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3981 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3982 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3983 (copy_insn_1): Likewise. Don't copy each field individually.
3985 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3987 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3988 * rtl.c (rtx_size): Rename variable to...
3989 (rtx_code_size): ...this.
3990 (rtx_size): New function.
3991 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3992 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3994 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3995 * rtl.h (rtx_code_size): New variable.
3996 (rtx_size): Change from a variable to a function.
3997 (RTX_SIZE): Rename to...
3998 (RTX_CODE_SIZE): ...this.
4001 PR tree-optimization/17106
4002 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4003 (Anchored Addresses): New section.
4004 * doc/invoke.texi (-fsection-anchors): Document.
4005 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4006 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4007 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4008 * hooks.c (hook_bool_mode_rtx_false): New function.
4009 * hooks.h (hook_bool_mode_rtx_false): Declare.
4010 * gengtype.c (create_optional_field): New function.
4011 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4012 SYMBOL_REF_IN_BLOCK_P is true.
4013 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4014 (min_anchor_offset, max_anchor_offset): Likewise.
4015 (use_anchors_for_symbol_p): New hook.
4016 * toplev.c (compile_file): Call output_object_blocks.
4017 (target_supports_section_anchors_p): New function.
4018 (process_options): Check that -fsection-anchors is only used on
4019 targets that support it and when -funit-at-a-time is in effect.
4020 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4021 if the decl doesn't have one.
4022 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4023 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4024 of force_const_mem through use_anchored_address.
4025 (expand_expr_constant): New function.
4026 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4027 calling expand_expr for INDIRECT_REF.
4028 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4029 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4030 * expr.h (use_anchored_address): Declare.
4031 * loop-unroll.c: Don't declare rtx vectors here.
4032 * explow.c: Include output.h.
4033 (validize_mem): Call use_anchored_address.
4034 (use_anchored_address): New function.
4035 * common.opt (-fsection-anchors): New switch.
4036 * varasm.c (object_block_htab, anchor_labelno): New variables.
4037 (hash_section, object_block_entry_eq, object_block_entry_hash)
4038 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4039 (use_blocks_for_decl_p, change_symbol_section): New functions.
4040 (get_variable_section): New function, split out from assemble_variable.
4041 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4042 use_blocks_for_decl_p say so. Use change_symbol_section if the
4043 symbol has already been created.
4044 (assemble_variable_contents): New function, split out from...
4045 (assemble_variable): ...here. Don't output any code for
4046 block symbols; just pass them to place_block_symbol.
4047 Use get_variable_section and assemble_variable_contents.
4048 (get_constant_alignment, get_constant_section, get_constant_size): New
4049 functions, split from output_constant_def_contents.
4050 (build_constant_desc): Create a block symbol if use_object_blocks_p
4051 says so. Or into SYMBOL_REF_FLAGS.
4052 (assemble_constant_contents): New function, split from...
4053 (output_constant_def_contents): ...here. Don't output any code
4054 for block symbols; just pass them to place_section_symbol.
4055 Use get_constant_section and get_constant_alignment.
4056 (force_const_mem): Create a block symbol if use_object_blocks_p and
4057 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4058 (output_constant_pool_1): Add an explicit alignment argument.
4059 Don't switch sections here.
4060 (output_constant_pool): Adjust call to output_constant_pool_1.
4061 Switch sections here instead. Don't output anything for block symbols;
4062 just pass them to place_block_symbol.
4063 (init_varasm_once): Initialize object_block_htab.
4064 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4065 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4066 (place_block_symbol, get_section_anchor, output_object_block)
4067 (output_object_block_htab, output_object_blocks): New functions.
4068 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4069 (TARGET_ASM_OUT): Include it.
4070 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4071 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4072 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4073 (TARGET_INITIALIZER): Include them.
4074 * rtl.c (rtl_check_failed_block_symbol): New function.
4075 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4076 (block_symbol, object_block): New structures.
4077 (rtx_def): Add a block_symbol field to the union.
4078 (BLOCK_SYMBOL_CHECK): New macro.
4079 (rtl_check_failed_block_symbol): Declare.
4080 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4081 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4082 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4083 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4084 * output.h (output_section_symbols): Declare.
4085 (object_block): Name structure.
4086 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4087 (default_use_anchors_for_symbol_p): Declare.
4088 * Makefile.in (RTL_BASE_H): Add vec.h.
4089 (explow.o): Depend on output.h.
4090 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4091 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4092 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4093 (rs6000_use_blocks_for_constant_p): New function.
4095 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4097 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4099 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4102 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4105 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4107 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4111 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4114 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4115 instead of DECL_REGISTER.
4117 2006-02-18 Olivier Hainque <hainque@adacore.com>
4120 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4122 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4125 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4126 * opth-gen.awk: Handle Var and InverseMask together.
4127 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4128 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4129 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4130 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4132 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4133 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4134 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4135 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4136 LINUX_DYNAMIC_LINKER): Define.
4137 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4138 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4140 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4141 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4142 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4144 (TARGET_C99_FUNCTIONS): Don't define.
4145 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4146 GLIBC_DYNAMIC_LINKER.
4147 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4148 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4149 GLIBC_DYNAMIC_LINKER64): Define.
4150 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4151 LINUX_DYNAMIC_LINKER64.
4152 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4153 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4154 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4155 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4156 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4158 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4159 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4160 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4162 and LINUX_DYNAMIC_LINKER32.
4163 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4165 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4167 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4169 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4170 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4171 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4172 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4173 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4174 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4175 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4176 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4177 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4178 LINUX_DYNAMIC_LINKER): Define.
4179 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4180 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4181 GLIBC_DYNAMIC_LINKER64): Define.
4182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4183 LINUX_DYNAMIC_LINKER64.
4184 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4185 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4186 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4187 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4188 LINUX_DYNAMIC_LINKER): Define.
4189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4190 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4191 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4192 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4193 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4194 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4195 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4196 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4197 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4198 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4199 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4200 * doc/invoke.texi (-muclibc): Remove caveat about supported
4203 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4205 * doc/cpp.texi (__TIMESTAMP__): Document.
4207 2006-02-17 Roger Sayle <roger@eyesopen.com>
4210 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4211 C is one less than the width of X (and related transformations).
4212 * simplify-rtx.c (simplify_unary_operation_1): Transform
4213 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4214 depending on STORE_FLAG_VALUE, were C is one less then the
4217 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4219 Fix PR tree-optimization/26341
4220 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4221 about NAME_MEMORY_TAG's.
4223 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4226 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4227 with hardware float support, and software float support. Add fcpy
4228 alternative to hardware patterns. Add alternatives to copy between
4229 general and floating-point registers to the 32-bit pattern.
4230 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4231 secondary reload to load a QI or HI mode constant into a floating
4233 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4234 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4236 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4239 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4241 (load_macho_picbase_di): Likewise.
4243 2006-02-16 Jeff Law <law@redhat.com>
4245 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4246 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4247 (ssa_name_nonzero_p): Likewise.
4248 (get_value_range): Return NULL if VRP is not running.
4249 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4250 VRP routines do not discover a range.
4251 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4252 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4253 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4254 (tree_expr_nonnegative_p): Similarly.
4255 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4256 (restore_nonzero_vars_to_original_value): Remove.
4257 (unsafe_associative_fp_binop): Remove.
4258 (tree_ssa_dominator_optimize): Remove initialization and
4259 finalization of nonzero_vars and nonzero_vars_stack.
4260 (dom_opt_initialize_block): No longer push marker on
4262 (dom_opt_finalize_block): No longer call
4263 restore_nonzero_vars_to_original_value.
4264 (record_equivalences_from_phis): No longer look for
4265 nonzero PHI arguments.
4266 (cprop_into_successor_phis): No longer propagate nonzero
4267 property into PHI arguments. Lose unused argument. Caller
4269 (record_equivalences_from_stmt): No longer record nonzero
4270 values for SSA_NAMEs.
4271 (lookup_avail_expr): No longer use nonzero_vars.
4273 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4274 for sizetype when sizetype is unsigned.
4276 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4278 PR rtl-optimization/25603
4279 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4280 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4281 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4282 with new meaning of SETS.
4284 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4289 * config/linux.opt: New file.
4290 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4291 LINUX_DYNAMIC_LINKER): Define.
4292 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4293 * config.gcc (*-*-linux*): Define extra_options.
4294 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4295 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4296 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4297 GLIBC_DYNAMIC_LINKER.
4298 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4299 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4300 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4302 * doc/invoke.texi (GNU/Linux Options): New section.
4304 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4306 * config/sparc/sparc.md (setjmp): Rewrite.
4307 (setjmp_32): Delete.
4308 (setjmp_64): Likewise.
4310 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4312 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4315 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4317 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4320 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4322 PR rtl-optimization/26296
4323 * Makefile.in (loop-invariant.c): Add except.h dependency.
4324 * loop-invariant.c: Include except.h.
4325 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4327 2005-02-16 Paul Brook <paul@codesourcery.com>
4329 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4332 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4334 PR rtl-optimization/25636
4335 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4336 when deciding whether an insn is an initializing insn.
4338 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4340 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4341 (tree_code_size): Ditto.
4342 * tree.h (struct tree_memory_tag): Remove parent_var.
4343 (struct tree_struct_field_tag): New.
4346 (union tree_node): Add sft member.
4347 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4349 (create_sft): Add size and offset argument, set SFT_OFFSET and
4351 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4352 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4353 * tree-flow-inline.h (get_subvar_at): Update for
4354 SFT_OFFSET/SFT_SIZE.
4355 (var_can_have_subvars): Ditto.
4356 (overlap_subvar): Ditto.
4357 * print-tree.c (print_node): Print out interesting things for
4359 * tree-flow.h (struct subvar): Remove offset and size members.
4360 * tree-ssa-operands.c (get_expr_operands): Update for
4361 get_indirect_ref_operands changes.
4362 (get_indirect_ref_operands): Call add_virtual_operand instead of
4363 add_stmt_operand. Only recurse on base var if requested.
4364 (access_can_touch_variable): New function.
4365 (add_stmt_operand): Split virtual operand handling into ...
4366 (add_virtual_operand): Here. Add offset, size, and for_clobber
4367 arguments. Prune alias sets.
4368 (add_call_clobber_ops): Call add_virtual_operand.
4370 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4373 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4375 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4376 than TREE_CODE as index into omp_clause_num_ops array.
4378 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4380 PR rtl-optimization/26184
4381 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4383 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4384 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4385 must_precede, must_follow and tobe_scheduled.
4388 * opts.c (common_handle_option): Free new_option pointer.
4389 * df-core.c (df_analyze): Free postorder pointer.
4391 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4393 * Makefile.in: Fix the examples about the use of stamps
4395 2006-02-15 Michael Matz <matz@suse.de>
4399 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4400 influenced by maximum_field_alignment or DECL_PACKED.
4401 (update_alignment_for_field): Ditto.
4402 (place_field): Ditto.
4403 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4406 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4408 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4409 (debug_flow_info): Pass it.
4410 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4411 * bb-reorder.c (reorder_basic_blocks): Likewise.
4412 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4413 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4414 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4415 * gcse.c (gcse_main, bypass_jumps): Likewise.
4416 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4417 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4418 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4419 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4420 * rtl.h (dump_flow_info): Adjust prototype.
4421 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4422 * var-tracking.c (variable_tracking_main): Likewise.
4423 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4424 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4427 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4429 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4432 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4434 PR tree-optimization/26209
4435 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4436 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4438 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4440 2006-02-14 Roger Sayle <roger@eyesopen.com>
4443 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4444 (X,Y) and the corresponding symmetry related transformations.
4445 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4446 (X,Y) and its symmetry related transformations.
4448 2006-02-14 Roger Sayle <roger@eyesopen.com>
4450 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4453 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4455 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4457 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4460 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4461 support COMDAT group.
4462 * configure: Regenerate.
4464 2006-02-14 Roger Sayle <roger@eyesopen.com>
4469 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4471 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4473 Fix PR tree-optimization/26260
4475 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4477 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4478 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4479 * tree-ssa-structalias.c (create_variable_info_for): Use
4480 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4482 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4484 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4486 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4487 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4488 of the ending condition.
4489 * tree-ssa-loop-manip.c: Include params.h.
4490 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4491 tree_unroll_loop): New functions.
4492 * tree-pass.h (pass_loop_prefetch): Declare.
4493 * loop.c (rest_of_handle_loop_optimize): Test for
4494 -fprefetch-loop-arrays-rtl.
4495 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4496 * timevar.def (TV_TREE_PREFETCH): New timevar.
4497 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4498 pass_loop_prefetch): New.
4499 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4500 (cleanup_tree_cfg_loop): Call scev_reset.
4501 * common.opt (fprefetch-loop-arrays-rtl): Add.
4502 * tree-ssa-loop-prefetch.c: New file.
4503 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4504 (new_temp_expr_table): Initialize expr_vars.
4505 (free_temp_expr_table): Cleanup expr_vars.
4506 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4507 expressions from being merged into one.
4508 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4509 (struct tree_niter_desc): Add control, bound and cmp fields.
4510 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4512 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4513 (tree-cfgcleanup.o): Add SCEV_H dependency.
4514 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4515 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4517 2006-02-14 Richard Guenther <rguenther@suse.de>
4519 PR tree-optimization/26258
4520 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4521 in PHI argument processing.
4523 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4525 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4526 new expression in the requested machine mode.
4528 2006-02-13 Roger Sayle <roger@eyesopen.com>
4530 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4531 directly, instead let do_compare_rtx_and_jump handle this for us.
4532 * expr.c (expand_expr_real_1): Likewise.
4533 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4534 before do_jump_by_parts_greater.
4535 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4536 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4538 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4540 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4542 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4544 PR rtl-optimization/26235
4545 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4546 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4549 2006-02-13 Jeff Law <law@redhat.com>
4551 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4554 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4557 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4558 twice if decl is a builtin. When trying again, call get_callee_fndecl
4559 first to verify it is still a builtin.
4561 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4563 * dwarf2out.c (base_type_die): Don't add AT_name here.
4564 (subrange_type_die): Don't add AT_name here.
4565 (modified_type_die): Rearrange code flow. Do add AT_name here.
4567 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4569 PR rtl-optimization/26247
4570 PR rtl-optimization/26248
4571 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4573 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4575 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4576 * config/fixtfdi.c: Likewise.
4577 * config/fixunstfdi.c: Likewise.
4578 * config/floatditf.c: Likewise.
4580 2006-02-13 Roger Sayle <roger@eyesopen.com>
4583 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4584 into (X,C2) if C1 is a subset of the bits of C2. Transform
4585 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4587 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4589 2006-02-13 Josh Conner <jconner@apple.com>
4592 * varasm.c (function_section): Check for section name before
4593 calling select_section on targets that define
4594 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4595 unlikely_text_section instead of hot_function_section if
4596 first_function_block_is_cold.
4598 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4601 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4603 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4605 PR rtl-optimization/26222
4606 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4607 after tree->rtl expansion.
4608 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4609 before passing it to emit_move_insn.
4611 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4613 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4615 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4616 Clarify documentation.
4617 * c-common.h (warn_write_strings): Remove.
4618 * c-common.c (warn_write_strings): Likewise.
4619 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4622 2006-02-12 Roger Sayle <roger@eyesopen.com>
4625 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4626 (do_jump_parts_zero_rtx): New function renamed from
4627 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4628 (do_jump_parts_equality_rtx): New function split out from
4629 do_jump_parts_equality. Old implementation renamed as above.
4630 Call do_jump_parts_zero_rtx if either operand is zero.
4631 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4632 do all of the heavy lifting.
4633 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4634 calling either do_jump_by_parts_greater_rtx or
4635 do_jump_by_parts_equality_rtx.
4636 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4637 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4638 moved to do_compare_rtx_and_jump, call it directly.
4639 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4640 mode argument. Call do_compare_rtx_and_jump.
4641 (emit_case_nodes): Update calls to do_jump_if_equal.
4643 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4645 PR rtl-optimization/26225
4646 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4648 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4650 PR rtl-optimization/26232
4651 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4653 2006-02-11 Jason Merrill <jason@redhat.com>
4656 * tree-inline.c (declare_return_variable): Just don't use the
4657 modify target if it's a gimple complex reg and the return slot
4660 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4662 * doc/contrib.texi: Update my entry.
4664 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4666 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4668 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4670 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4673 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4675 * doc/invoke.texi (-floop-optimize2): Removed.
4676 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4677 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4678 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4679 * common.opt (floop-optimize2): Removed.
4680 (fmove-loop-invariants): Enabled by default.
4682 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4684 * tree-if-conv.c (combine_blocks): Free the result of
4685 get_loop_exit_edges.
4687 2006-02-10 Jeff Law <law@redhat.com>
4689 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4691 PR tree-optimization/26213
4692 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4693 loop trying to follow SSA_NAME_VALUE chains.
4695 2006-02-10 Richard Guenther <rguenther@suse.de>
4697 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4698 deal with structures that end in implicitly variable sized arrays.
4700 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4702 PR rtl-optimization/24762
4703 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4706 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4708 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4709 (struct ivopts_data): Add regs_used field.
4710 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4711 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4712 instead of loop_data->regs_used;
4713 (free_loop_data): Do not free aux fields for loops.
4714 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4715 and tree_ssa_iv_optimize_finalize.
4717 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4719 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4721 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4724 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4725 computing the effective result type.
4727 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4730 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4731 (tree_overlaps_hard_reg_set): Declare.
4732 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4733 type and signature to match function type expected by walk_tree.
4734 (tree_overlaps_hard_reg_set): New function.
4735 (decl_conflicts_with_clobbers_p): Rename to:
4736 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4737 Use tree_overlaps_hard_reg_set. Changed caller.
4738 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4739 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4740 * cris.c (cris_md_asm_clobbers): Likewise.
4742 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4744 * reload1.c (emit_input_reload_insns): Delete code that tries to
4745 inherit using find_equiv_reg.
4747 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4749 * c-common.h (flag_const_strings): Don't declare.
4750 * c-common.c (flag_const_strings): Remove.
4751 * c.opt (fconst_strings): Remove.
4752 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4753 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4754 (c_common_init_options): Don't set flag_const_strings.
4755 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4757 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4759 * arm.md (tlobits_cbranch): New pattern.
4760 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4761 testing a single bit.
4763 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4766 * tree-ssa-pre.c (create_component_ref_by_pieces):
4767 Handle RETURN_DECL like VAR_DECL.
4769 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4772 * fold-const.c (fold_indirect_ref_1): Fold
4773 "*(foo *)&complexfoo" to "__real__ complexfoo"
4774 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4776 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4778 * tree-flow-inline.h (var_can_have_subvars):
4779 Volatile variables should not have subvariables.
4781 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4784 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4785 multiplying unsigned values.
4788 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4790 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4792 2006-02-08 Jason Merrill <jason@redhat.com>
4795 * tree.def: Elaborate on difference from MODIFY_EXPR.
4796 * doc/c-tree.texi (INIT_EXPR): Likewise.
4797 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4798 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4799 (gimplify_target_expr): Likewise.
4800 (gimplify_cond_expr): Remove target handling.
4801 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4802 (gimplify_expr): Clobber it here.
4803 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4804 Do return slot optimization if we have an INIT_EXPR.
4807 * tree-inline.c (declare_return_variable): Also clear
4808 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4811 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4814 * gimplify.c (gimplify_one_sizepos): Fix typo.
4816 2006-02-08 Jeff Law <law@redhat.com>
4818 PR tree-optimization/21417
4819 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4820 across a backedge if the control statement at the end of the
4821 block is data dependent on other statements in the same block.
4822 (record_temporary_equivalences_from_stmts): Remove over-conservative
4823 test for threading across backedges.
4825 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4826 control statement, handle all three special cases in the same
4827 manner as they all have the same desired solution. No longer
4828 special case edge flag updating when the post dominator is
4831 2006-02-08 Roger Sayle <roger@eyesopen.com>
4833 * tree.def (CHAR_TYPE): Remove.
4834 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4835 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4836 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4837 (gen_string_type_die): Delete unreachable function.
4839 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4840 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4841 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4842 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4843 * builtins.c (type_to_class): Likewise.
4844 * fold-const.c (fold_convert, build_range_check,
4845 merge_ranges): Likewise.
4846 * expr.c (count_type_elements): Likewise.
4847 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4848 * stor-layout.c (layout_type): Likewise.
4849 * ipa-type-escape.c (type_to_consider): Likewise.
4850 * gimplify.c (omp_firstprivatize_type_sizes,
4851 gimplify_type_sizes): Likewise.
4852 * explow.c (promote_mode): Likewise.
4853 * tree-sra.c (is_sra_scalar_type): Likewise.
4854 * varasm.c (output_constant): Likewise.
4855 * tree-inline.c (remap_type_1): Likewise.
4856 * convert.c (convert_to_pointer, convert_to_real,
4857 convert_to_integer, convert_to_complex): Likewise.
4859 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4861 * df-scan.c (df_def_record_1): A set destination may
4862 be a parallel regardless of mode.
4864 2006-02-08 Roger Sayle <roger@eyesopen.com>
4867 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4868 * config/mips/_tilib.c: Remove.
4869 * config/fixtfdi.c: New libgcc source file.
4870 * config/fixunstfdi.c: New source file.
4871 * config/floatditf.c: New source file.
4872 * config/floatunditf.c: New souce file.
4873 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4874 files above instead of config/mips/_tilib.c.
4875 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4877 2006-02-08 Jeff Law <law@redhat.com>
4879 PR tree-optimization/26169
4880 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4883 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4885 * df.h (DF_REG_SIZE): Return the length of the initialized
4888 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4890 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4891 __muldf3): Return a correctly signed zero.
4893 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4895 * passes.c (register_one_dump_file): Accept the current properties
4896 instead of pass number. Adjust call to dump_register. Remove
4898 (register_dump_files): Now a wrapper around...
4899 (register_dump_files_1): ... this one. Do not modify the pass
4901 (next_pass_1): Cosmetic fix.
4902 (execute_todo): Keep second parameter only. Use curr_properties
4903 instead of fetching it from the pass structure. Check and set
4905 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4906 instead of fetching it from the pass structure. Fix calls to
4907 execute_todo. Update curr_properties and initialize .vcg RTL dump
4908 after running the pass. Reset last_verified.
4909 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4911 (FIRST_AUTO_NUMBERED_DUMP): New.
4912 (dump_register): Remove "num" parameter, assign it within the
4914 (get_dump_file_name): Modify template for dumps.
4915 * tree-dump.h (dump_register): Adjust prototype.
4916 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4917 (PROP_trees): Add PROP_gimple_lomp.
4918 (TODO_set_props): New.
4919 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4920 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4921 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4923 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4925 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4926 (sparc64-*-linux*): Likewise.
4927 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4928 * config/sparc/t-linux: New file.
4929 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4930 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4931 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4932 -m32 -mlong-double-128.
4934 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4935 * config/alpha/t-linux: New file.
4936 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4938 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4939 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4940 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4941 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4942 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4943 (CPP_ARCH32_SPEC): Remove.
4945 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4947 PR tree-optimization/26145
4948 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4951 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4954 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4955 >= 240000 when generating code for SOM runtime.
4956 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4957 to $$dyncall when generating code for SOM runtime..
4959 2006-02-07 Dirk Mueller <dmueller@suse.com>
4962 * doc/invoke.texi (-Wsequence-point): Update documentation
4963 that -Wsequence-point is implemented for C++ as well.
4965 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4967 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4968 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4969 (LIB_SPEC): Likewise.
4970 * doc/invoke.texi (SPARC options): Document -pthread.
4972 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4974 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4977 2006-02-07 Roger Sayle <roger@eyesopen.com>
4979 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4980 Correct comment describing BOOLEAN_TYPE.
4982 2006-02-07 Dirk Mueller <dmueller@suse.com>
4984 * c.opt: C++ frontend supports -Wdiv-by-zero.
4985 * c-opts.c (c_common_handle_option): Remove dead case.
4987 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4989 * configure.ac (TLS assembler check): Do not enable TLS by
4990 default on SPARC/Solaris before version 10.
4991 * configure: Regenerate.
4993 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4995 * doc/invoke.texi (xl-compat): Document conversion and support
4998 2006-02-07 Jeff Law <law@redhat.com>
5000 * tree-vrp.c (find_conditional_asserts): Update comments.
5001 (simplify_stmt_for_jump_threading): New.
5002 (identify_jump_threads, finalize_jump_threads): New.
5003 (vrp_finalize): Call identify_jump_threads.
5004 (execute_vrp): Call finalize_jump_threads.
5005 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5006 (vrp_element, vrp_data, vrp_element_p): Remove.
5007 (vrp_hash_elt, vrp_variables_stack): Remove.
5008 (vrp_hash, vrp_eq, record_range): Remove.
5009 (simplify_cond_and_lookup_avail_expr): Remove.
5010 (extract_range_from_cond): Remove.
5011 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5012 (simplify_stmt_for_jump_threading): New.
5013 (dom_thread_across_edge): New wrapper.
5014 (tree_ssa_dominator_optimize): No longer initialize or
5015 finalize any of the VRP datastructures. Remove iteration
5016 step and simplify as a result of removal of iteration step.
5017 (pass_dominator): Perform a cfg cleanup after DOM.
5018 (dom_opt_finalize_block): Use the new common routines
5019 for threading jumps. Simplify stack management slightly.
5020 No longer need to unwind VRP state.
5021 (record_equivalences_from_incoming_edge): No longer record
5023 (eliminate_redundant_computations): No longer call
5024 simplify_cond_and_lookup_avail_expr.
5025 * tree-flow.h (potentially_threadable_block): Prototype.
5026 (thread_across_edge): Likewise.
5027 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5028 (tree-ssa-threadedge.o): Add dependencies.
5029 * tree-ssa-threadedge.c: New file.
5030 * passes.c (init_optimization_passes): Merge PHIs before
5031 calling VRP. Run VRP again late in the SSA optimization pipeline.
5033 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5035 * df-core.c (df_set_blocks): Do not dereference function pointers.
5036 (df_finish1): Likewise.
5037 (df_hybrid_search_forward): Likewise.
5038 (df_hybrid_search_backward): Likewise.
5039 (df_iterative_dataflow): Likewise.
5040 (df_analyze_problem): Likewise.
5041 (df_compact_blocks): Likewise.
5042 (df_dump): Likewise.
5043 * df-scan.c (df_rescan_blocks): Likewise.
5044 (df_record_entry_block_defs): Likewise.
5046 * genconditions.c (write_conditions): Guard the definition of
5047 'insn_conditions' with the check on GCC version.
5048 (write_writer): Guard the traversal 'insn_conditions' with
5049 the check on GCC version.
5051 2006-02-07 Richard Guenther <rguenther@suse.de>
5055 2006-01-30 Richard Guenther <rguenther@suse.de>
5057 * gimplify.c (gimplify_target_expr): Handle easy cases
5058 without creating a temporary.
5060 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5062 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5063 use of float in probability computations. Use edge probabilities
5064 in place of statically computed probabilities.
5065 (min_spec_prob): New static variable.
5066 (schedule_insns): Initialize it.
5067 (GET_SRC_PROB): Removed.
5068 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5070 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5073 * config/ia64/unwind-ia64.c: Revert last change.
5074 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5075 (INCOMING_FRAME_SP_OFFSET): Define.
5077 2006-02-06 Roger Sayle <roger@eyesopen.com>
5079 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5081 2006-02-07 Ben Elliston <bje@au.ibm.com>
5083 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5084 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5085 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5086 (ix86_return_in_memory): Handle TDmode.
5087 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5088 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5090 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5092 * reorg.c (dbr_schedule): Use dump_file instead of file.
5094 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5097 * config/ia64/predicates.md (extr_len_operand): New predicate.
5098 * config/ia64/ia64.md (extv): Tighten constraints.
5100 (*tbit_and_2): Ditto.
5101 (*tbit_and_3): Ditto.
5102 (*tbit_or_2): Ditto.
5103 (*tbit_or_3): Ditto.
5107 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5110 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5112 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5114 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5115 loop_optimizer_init and loop_optimizer_finalize
5116 * tree-ssa-sink.c (execute_sink_code): Ditto.
5117 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5118 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5119 tree_ssa_loop_done): Ditto.
5120 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5121 * sched-ebb.c: Include output.h.
5122 (schedule_ebbs): Do not use dump argument.
5123 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5124 * loop.c (loop_dump_stream): Removed.
5125 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5127 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5128 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5129 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5130 loop_iterations, strength_reduce, record_biv, record_giv,
5131 final_giv_value, check_final_value, check_ext_dependent_givs,
5132 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5133 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5134 dump_file instead of loop_dump_stream.
5135 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5137 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5139 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5140 * haifa-sched.c: Include output.h
5141 (schedule_insns, sched_init): Do not use dump argument.
5142 * mode-switching.c (optimize_mode_switching): Ditto.
5143 * modulo-sched.c (stats_file): Removed.
5144 (print_node_sched_params): Do not call argument dump_file.
5145 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5146 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5148 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5150 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5151 rtl_loop_init, rtl_loop_done): Ditto.
5152 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5153 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5155 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5156 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5157 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5158 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5159 * emit-rtl.c (renumber_insns): Ditto.
5160 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5161 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5162 * regclass.c (regclass): Ditto.
5163 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5164 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5165 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5166 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5168 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5169 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5171 * gcse.c (gcse_file, debug_stderr): Removed.
5172 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5173 rest_of_handle_gcse): Do not use dump argument.
5174 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5175 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5176 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5177 compute_code_hoist_vbeinout, compute_code_hoist_data,
5178 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5179 compute_store_table, build_store_vectors, insert_insn_start_bb,
5180 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5181 store_motion): Use dump_file instead of gcse_file.
5182 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5183 * profile.c (profile_dump_file): Removed.
5184 (branch_prob): Use dump_file instead of profile_dump_file.
5185 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5187 * tree-ssa-copy.c (dump_copy_of): Ditto.
5188 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5189 dump file to life_analysis.
5190 * bt-load.c (branch_target_load_optimize): Ditto.
5191 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5193 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5194 regclass, dbr_schedule): Declaration changed.
5195 * sched-int.h (sched_init): Declaration changed.
5196 * tree-profile.c (tree_profile_dump_file): Removed.
5197 (tree_profile_hooks): Removed profile_dump_file hook.
5198 * rtl-profile (rtl_profile_dump_file): Removed.
5199 (rtl_profile_hooks): emoved profile_dump_file hook.
5200 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5202 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5203 * tree-cfg.c (build_tree_cfg): Ditto.
5204 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5205 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5206 Declaration changed.
5207 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5208 life_analysis and schedule_insns.
5209 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5211 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5213 * config/mips/mips.c (mips_reorg): Ditto.
5214 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5217 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5219 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5220 (s390_mangle_fundamental_type): New.
5221 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5224 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5225 (alpha_mangle_fundamental_type): New.
5226 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5229 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5231 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5233 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5234 (sparc_mangle_fundamental_type): New.
5236 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5238 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5239 (s390x-*-linux*): Likewise.
5240 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5241 * config/s390/t-linux: New file.
5243 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5245 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5246 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5248 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5250 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5251 (ANTIC_SAFE_LOADS): New macro.
5252 (find_or_generate_expression): Add prototype.
5253 (set_contains_value): Allow null set for sake of not always having
5254 to allocate ANTIC_SAFE_LOADS.
5255 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5256 Allow COMPONENT_REF too.
5257 (valid_in_set): Allow COMPONENT_REF.
5258 Check ANTIC_SAFE_LOADS too.
5259 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5260 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5262 (can_PRE_operation): Add COMPONENT_REF.
5263 (create_component_ref_by_pieces): New function.
5264 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5265 (insert_aux): Move AGGREGATE_TYPE_P check here.
5266 (compute_avail): Set bb local stmt uids.
5267 (pass_pre): Use TODO_update_ssa_only_virtuals.
5269 2006-02-06 Ben Elliston <bje@au.ibm.com>
5271 * configure.ac: Unconditionally disable decimal float by default.
5272 * configure: Regenerate.
5274 2006-02-06 Ben Elliston <bje@au.ibm.com>
5276 * read-rtl.c (read_name): Terminate reading on EOF.
5278 2006-02-06 Ben Elliston <bje@au.ibm.com>
5280 * dfp.c (decimal_real_arithmetic): Change second argument type
5281 from int to enum tree_code. Do not always return true, but now
5282 return result of any call to decimal_do helper functions.
5283 * dfp.h (decimal_real_arithmetic): Update prototype.
5285 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5287 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5289 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5292 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5295 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5297 * tree-vrp.c (cfg_loops): Removed.
5298 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5299 Use current_loops instead of cfg_loops. Pass flags to
5300 loop_optimizer_init.
5301 * cfgloopmanip.c (fix_loop_structure): Update only available
5303 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5304 loop_optimizer_init.
5305 * modulo-sched.c (build_loops_structure): Removed.
5306 (sms_schedule): Use loop_optimizer_init.
5307 * loop-init.c (loop_optimizer_init): Use flags to determine
5308 which properties of loops to prepare.
5309 (rtl_loop_init): Pass flags to loop_optimizer_init.
5310 * tree-ssa-sink.c (execute_sink_code): Ditto.
5311 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5312 * tree-ssa-pre.c (init_pre): Ditto.
5313 * cfgloop.h (LOOPS_NORMAL): New.
5314 (loop_optimizer_init): Declaration changed.
5316 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5318 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5319 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5321 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5323 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5325 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5326 * pa/t-pa64: Delete quadlib.c rule.
5327 * pa/x-ada: Revert last change.
5328 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5330 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5332 PR rtl-optimization/26087
5333 * rtlanal.c (canonicalize_condition): Do not cross basic block
5336 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5339 * config/ia64/ia64.c: Include debug.h.
5340 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5341 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5342 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5343 (process_epilogue, process_set, process_for_unwind_directive):
5344 Output unwind info only if requested. Add CFA info if requested.
5345 Add new arguments as needed. Adjust callers.
5346 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5348 (DWARF2_FRAME_INFO): Define to zero.
5349 * config/ia64/unwind-ia64.c: Remove code that compensated for
5350 the CFA offset error fixed above.
5351 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5352 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5353 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5354 -funwind-tables and -fexceptions to enable frame info.
5355 (dwarf2out_frame_init): Define initial CFA even if
5356 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5357 DWARF2_UNWIND_INFO is nonzero, not just defined.
5358 (dwarf2out_frame_finish): Output non-EH call frame info only
5359 if DWARF2_FRAME_INFO is nonzero.
5360 (convert_cfa_to_loc_list,
5361 compute_frame_pointer_to_cfa_displacement): Define even if
5362 unwind info is not supported.
5363 (gen_subprogram_die): Use the above unconditionally. Remove
5364 legacy alternate code.
5365 * toplev.c (compile_file): Compile in call to
5366 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5367 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5369 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5370 Jakub Jelinek <jakub@redhat.com>
5372 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5373 IBM extended float format long double as "g" on powerpc*-linux.
5375 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5378 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5379 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5381 2006-02-03 Jason Merrill <jason@redhat.com>
5384 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5387 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5388 on the return slot if it's an NRV.
5390 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5392 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5393 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5394 rewrite_use): Do not handle USE_OUTER.
5395 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5396 add_iv_outer_candidates, may_replace_final_value,
5397 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5398 (find_interesting_uses_op): Functionality of
5399 find_interesting_uses_outer_or_nonlin moved here.
5400 (find_interesting_uses_outside): Use find_interesting_uses_op.
5402 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5405 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5407 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5408 Ulrich Weigand <uweigand@de.ibm.com>
5411 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5412 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5413 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5414 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5416 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5417 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5418 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5419 Define secondary reloads for TFmode moves.
5420 (constant_modes): Add TFmode.
5421 (NR_C_MODES): Set to 8.
5422 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5424 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5425 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5426 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5427 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5428 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5429 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5430 (FPR mode macro): Add TFmode.
5431 (DSF mode macro): New.
5432 (<de>, <dee> mode attributes): Removed.
5433 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5434 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5435 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5436 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5437 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5438 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5439 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5440 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5441 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5442 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5443 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5444 "*negabs<mode>2", "sqrt<mode>2"):
5445 Changed <de> to <xde>. R constraint replaced by <Rf>.
5446 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5448 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5449 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5450 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5452 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5453 "extenddftf2", "extendsftf2"): New expanders.
5454 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5455 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5456 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5457 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5459 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5460 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5461 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5462 __floatditf): Add a GCC_4.1.0 symbol version tag.
5463 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5466 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5469 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5470 Use targetm.binds_local_p instead of TREE_PUBLIC.
5472 2006-02-02 Roger Sayle <roger@eyesopen.com>
5474 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5475 on INTEGER_TYPEs to indicate that it denotes a character type.
5476 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5477 signed_char_type_node, unsigned_char_type_node and char_type_node.
5478 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5479 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5480 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5482 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5483 Daniel Berlin <dberlin@dberlin.org>
5485 * tree-tailcall.c (arg_needs_copy_p): New function.
5486 (eliminate_tail_call): Use arg_needs_copy_p.
5487 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5488 (add_virtual_phis): New function.
5490 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5492 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5493 #ignore instead of #scratch for %g7 .register directive.
5495 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5497 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5500 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5502 * flow.c (calculate_global_regs_live): Assert that there aren't any
5505 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5507 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5509 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5510 bsi_after_labels iterator.
5511 * tree-if-conv.c (find_phi_replacement_condition,
5512 replace_phi_with_cond_modify_expr): Likewise.
5513 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5514 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5516 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5518 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5520 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5523 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5524 array after growing it.
5526 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5529 * fold-const.c (fold_checksum_tree): Change type of buf.
5531 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5533 * reload.c (push_secondary_reload): Initialize t_icode.
5535 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5537 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5538 -msoft-float -mlong-double-128 only issue a warning, but don't
5539 swich to DFmode long double.
5541 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5543 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5544 has a constant equivalent, iterate over equivalents for arg0,
5545 calling simplify_relational_operation and if there's a result
5546 cheaper than X, apply fold_rtx and return the result.
5548 2006-02-01 Jan Hubicka <jh@suse.cz>
5550 * opts.c (no_unit_at_a_time_default): New global variable.
5551 (decode_options): Use it.
5552 * opts.h (no_unit_at_a_time_default): Declare.
5554 2006-02-01 Paul Brook <paul@codesourcery.com>
5556 * function.c (assign_parm_setup_reg): Use function argument promotion
5558 * expr.c (expand_expr_real_1): Use function argument promotion rules
5561 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5563 * gcc.c (process_command): Change j to 'unsigned int'.
5565 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5568 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5569 Use the corrected index for the character
5570 out of the string constant.
5572 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5574 * mode-switching.c (optimize_mode_switching): Fix size
5575 allocated for bb_info[n_entities].
5577 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5579 * gcc.c (main): Correct type that is allocated for
5580 explicit_link_files.
5582 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5584 * config/s390/s390.c (init_alignment_context): Set
5585 ALIAS_SET_MEMORY_BARRIER on the MEM.
5586 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5588 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5591 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5593 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5596 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5598 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5599 * regrename.c: Ditto.
5600 * tree-ssa-loop-im.c: Ditto.
5601 * tree-dump.c: Ditto.
5602 * tree-complex.c: Ditto.
5603 * genrecog.c: Ditto.
5604 * tree-ssa-threadupdate.c: Ditto.
5606 * java/class.c: Ditto.
5607 * java/jcf-parse.c: Ditto.
5608 * java/resource.c: Ditto.
5609 * java/except.c: Ditto.
5610 * java/jvspec.c: Ditto.
5611 * java/jcf-write.c: Ditto.
5612 * java/jcf-path.c: Ditto.
5613 * java/gjavah.c: Ditto.
5614 * java/zextract.c: Ditto.
5615 * java/jcf-io.c: Ditto.
5616 * java/jcf.h: Ditto.
5617 * java/buffer.c: Ditto.
5618 * java/lang.c: Ditto.
5619 * java/parse-scan.y: Ditto.
5620 * java/lex.c: Ditto.
5621 * java/lex.h: Ditto.
5622 * cfgloopmanip.c: Ditto.
5623 * postreload-gcse.c: Ditto.
5624 * tree-ssa-loop-manip.c: Ditto.
5625 * postreload.c: Ditto.
5626 * tree-ssa-loop-ch.c: Ditto.
5630 * diagnostic.c: Ditto.
5632 * genoutput.c: Ditto.
5634 * cfghooks.c: Ditto.
5635 * cfgloopanal.c: Ditto.
5636 * objc/objc-act.c: Ditto.
5638 * genextract.c: Ditto.
5639 * genautomata.c: Ditto.
5640 * pretty-print.c: Ditto.
5642 * cgraphunit.c: Ditto.
5645 * haifa-sched.c: Ditto.
5646 * dominance.c: Ditto.
5648 * tree-ssa-loop-ivopts.c: Ditto.
5650 * mode-switching.c: Ditto.
5651 * modulo-sched.c: Ditto.
5653 * ipa-pure-const.c: Ditto.
5655 * fix-header.c: Ditto.
5657 * tree-stdarg.c: Ditto.
5658 * ipa-utils.c: Ditto.
5659 * loop-init.c: Ditto.
5660 * ipa-inline.c: Ditto.
5663 * alloc-pool.c: Ditto.
5664 * dwarf2out.c: Ditto.
5666 * genattrtab.c: Ditto.
5667 * tree-ssa-loop-ivcanon.c: Ditto.
5671 * fortran/gfortranspec.c: Ditto.
5673 * local-alloc.c: Ditto.
5674 * langhooks.c: Ditto.
5675 * function.c: Ditto.
5676 * tree-vectorizer.c: Ditto.
5678 * ipa-type-escape.c: Ditto.
5680 * tree-if-conv.c: Ditto.
5683 * tree-data-ref.c: Ditto.
5684 * loop-unroll.c: Ditto.
5685 * treelang/treetree.c: Ditto.
5688 * ggc-common.c: Ditto.
5690 * coverage.c: Ditto.
5692 * tree-cfgcleanup.c: Ditto.
5693 * tree-ssa-pre.c: Ditto.
5694 * cfgcleanup.c: Ditto.
5695 * loop-invariant.c: Ditto.
5697 * ipa-prop.c: Ditto.
5698 * print-tree.c: Ditto.
5699 * conflict.c: Ditto.
5700 * ggc-page.c: Ditto.
5701 * sched-deps.c: Ditto.
5702 * regclass.c: Ditto.
5703 * tree-object-size.c: Ditto.
5705 * bb-reorder.c: Ditto.
5706 * resource.c: Ditto.
5707 * var-tracking.c: Ditto.
5709 * df-problems.c: Ditto.
5710 * reg-stack.c: Ditto.
5713 * sched-rgn.c: Ditto.
5714 * tree-ssa-structalias.c: Ditto.
5715 * tree-ssa-reassoc.c: Ditto.
5716 * config/darwin-c.c: Ditto.
5717 * config/darwin.c: Ditto.
5718 * config/arm/arm.c: Ditto.
5720 * collect2.c: Ditto.
5723 2006-01-31 Nicolas Pitre <nico@cam.org>
5725 * arm.md (smaxsi3): Make aware of smax_m1.
5728 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5730 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5732 2006-01-31 Richard Guenther <rguenther@suse.de>
5734 * doc/invoke.texi (-msselibm): Document.
5735 * target.h (expand_library_builtin): New target hook.
5736 * builtins.c (expand_builtin): Use expand_library_builtin.
5737 (default_expand_library_builtin): New function.
5738 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5739 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5740 (link_gcc_math_spec): Declare.
5741 (static_specs): Add link_gcc_math_spec.
5742 * expr.h (default_expand_library_builtin): Declare.
5743 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5744 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5745 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5746 * config/i386/i386.opt (msselibm): New target option.
5747 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5748 (ix86_init_sse_abi_builtins): New function.
5749 (ix86_expand_library_builtin): Likewise.
5750 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5751 (override_options): Handle error conditions wrt -msselibm.
5752 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5753 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5754 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5757 2006-01-31 Richard Guenther <rguenther@suse.de>
5758 Paolo Bonzini <bonzini@gnu.org>
5760 * doc/install.texi (--disable-libgcc-math): Document.
5762 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5764 * expr.h (expand_normal): new inline function.
5765 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5767 * dwarf2out.c: use it.
5772 * config/sparc/sparc.c: use it.
5773 * config/i386/i386.c: use it.
5774 * config/rs6000/rs6000.c: use it.
5775 * config/arm/arm.c: use it.
5776 * config/mips/mips.c: use it.
5777 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5779 2006-01-30 Roger Sayle <roger@eyesopen.com>
5781 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5782 argv to the appropriate type.
5784 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5786 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5789 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5792 * config/s390/s390.c (struct machine_function): New flag
5793 decomposed_literal_pool_addresses_ok_p.
5794 (s390_reorg): Set it before final stage of literal pool transforms.
5795 (s390_decompose_address): Only accept displacements of the form
5796 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5798 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5800 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5801 the comparison routine return.
5803 2006-01-30 Michael Matz <matz@suse.de>
5805 * global.c (find_reg): Only evict for global regs.
5806 Take n_refs into account and dump more info.
5808 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5811 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5812 (pragma_trap, pragma_nosave_low_regs): Likewise.
5813 (current_function_anonymous_args): Likewise.
5814 (sh_deferred_function_attributes): New variable.
5815 (sh_deferred_function_attributes_tail): Likewise.
5816 (print_operand): For '@', look up trap_exit attribute.
5817 (calc_live_regs): Look up trapa_handler attribute. For trapa
5818 handlers, save/restore fpscr, but don't do any other
5819 interrupt-specific saves.
5820 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5821 Fix check for partially saved registers to check for SHmedia.
5822 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5823 (sh_output_function_epilogue): Don't clear any of the removed
5825 (sh_insert_attributes): Don't check pragma_interrupt.
5826 Insert deferred attributes. Check that interrupt attribute is
5827 present for other attributes that require its presence.
5828 (sh_attribute_table): Add new attributes trapa_handler and
5830 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5831 Don't check for pragma_interrupt. Don't store argument.
5832 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5833 (sh_deferred_function_attributes): Declare.
5834 (sh_deferred_function_attributes_tail): Likewise.
5835 * sh.md (sp_switch_1): Add operand. Change generator caller.
5836 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5837 (*return_i): Don't use when trap_exit attribute is in effect.
5838 (*return_trapa): New insn pattern.
5840 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5841 setting c_target_objs and cxx_target_objs.
5842 * t-sh: Add rule for sh-c.o.
5844 2006-01-30 Richard Guenther <rguenther@suse.de>
5847 * gimplify.c (gimplify_target_expr): Handle easy cases
5848 without creating a temporary.
5850 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5852 * vec.h (safe_grow): Remove duplicated line.
5854 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5857 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5858 (expand_omp): ... here.
5859 (expand_omp_parallel): Only remove barriers for combined
5860 parallel+workshare constructs.
5862 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5866 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5867 * tree.c (build_qualified_type): Chain the new type to the original
5868 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5869 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5870 (build_pointer_type_for_mode): Only return unqualified types.
5871 (build_reference_type_for_mode): Likewise.
5873 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5875 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5876 * Makefile.in (CXX_COMPAT_WARN): Define.
5877 * configure: Regenerate.
5879 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5882 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5885 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5887 * toplev.c: Fix thinko.
5889 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5890 Marcin Dalecki <martin@dalecki.de>
5892 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5893 (push_srcloc): Use XNEW.
5894 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5896 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5898 * df-core.c (df_set_blocks): Deleted all variable.
5900 2006-01-28 Ian Lance Taylor <ian@airs.com>
5902 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5903 cgraph_output_pending_asms.
5905 2006-01-28 Zack Weinberg <zackw@panix.com>
5907 * c.opt: Add -W(no-)overlength-strings.
5908 * doc/invoke.texi: Document it.
5909 * c-opts.c (c_common_handle_option): -pedantic implies
5910 -Woverlength-strings, if not explicitly disabled already.
5911 (c_common_post_options): -Woverlength-strings defaults to off, and
5912 is always off for C++.
5913 * c-common.c (fix_string_type): Issue warning about strings longer
5914 than is portable only if warn_overlength_strings. Rearrange code
5915 a little for clarity.
5916 * configure.in: Check for -Wno-overlength-strings as well before
5917 enabling -pedantic in stage 1.
5918 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5919 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5921 * genconditions.c (write_header, write_one_condition)
5922 (write_conditions, write_writer): Consolidate very long strings
5923 that were broken up to fit in C89 portable limit. Don't use
5924 printf when fputs will do.
5926 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5928 * combine.c (simplify_comparison <AND>): Check
5929 TRULY_NOOP_TRUNCATION before start using a subreg.
5931 * config/mips/mips.md (*branch_zero<mode>,
5932 *branch_zero<mode>_inverted, *branch_equality<mode>,
5933 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5934 Remove mode check from comparisons.
5936 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5938 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5940 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5942 * expmed.c (const_mult_add_overflow_p): Remove.
5943 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5945 * recog.c (validate_replace_rtx_subexp): Remove.
5946 * recog.h: Remove the prototype for
5947 validate_replace_rtx_subexp.
5949 * integrate.h: Remove the prototype for
5950 copy_decl_for_inlining.
5951 * rtl.h: Remove the prototype for mark_constant_function.
5952 * tree-vectorizer.h: Remove the prototype for
5953 vect_strip_conversion.
5955 * modulo-sched.c (create_partial_schedule,
5956 free_partial_schedule, reset_partial_schedule): Make them
5959 * hooks.c (hook_bool_rtx_int_false): Remove.
5960 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5962 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5964 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5965 and -mlong-double-128 are incompatible.
5966 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5967 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5968 (TARGET_LIBGCC2_CFLAGS): Define.
5969 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5970 (TARGET_LIBGCC2_CFLAGS): Same.
5971 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5973 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5976 * c-typeck.c (build_binary_op): Perform implicit casts of
5977 operands before shortening them.
5979 * cfgloopmanip.c (split_loop_bb): Remove.
5980 * cfgloop.h: Remove the prototype for split_loop_bb.
5982 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5983 * cfgloop.h: Remove the prototype for
5984 flow_loop_outside_edge_p.
5986 * emit-rtl.c (init_virtual_regs): Make it static.
5987 * function.h: Remove the prototype for init_virtual_regs.
5989 * recog.c (peephole2_optimize): Make it static.
5990 * recog.h: Remove the prototype for peephole2_optimize.
5992 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5994 * df-scan.c (df_record_entry_block_defs): Check if
5995 INCOMING_RETURN_ADDR_RTX is defined.
5997 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5998 Kenneth Zadeck <zadeck@naturalbridge.com>
6000 PR rtl-optimization/24762
6001 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6002 * targhooks.c (hook_void_bitmap): New hook prototype.
6003 * targhoohs.h (hook_void_bitmap): Ditto.
6004 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6005 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6006 * target.h (live_on_entry): New function pointer.
6007 * df-scan.c (df_all_hard_regs): Removed.
6008 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6009 (df_scan_free_internal): Added df->entry_block_defs.
6010 (df_scan_alloc): Ditto.
6011 (df_scan_dump): Ditto.
6012 (df_uses_record): Plumbed flag field properly thru calls.
6013 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6014 This part fixes PR24762.
6015 (df_bb_refs_record): Added code to make the frame and arg
6016 pointers live in EH blocks.
6017 (df_refs_record): Added call to df_record_entry_block_defs.
6018 (df_record_entry_block_defs): New function.
6019 * df-core.c: Added comments to describe new artifical defs.
6020 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6021 (entry_block_defs): New field in struct df.
6022 (df_all_hard_regs): Deleted.
6023 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6024 * df-problems.c (df_ru_bb_local_compute_process_def):
6025 Added code to handle artifical defs in the entry to a function.
6026 (df_ru_bb_local_compute): Ditto.
6027 (df_rd_bb_local_compute_process_def): Ditto.
6028 (df_rd_bb_local_compute): Ditto.
6029 (df_lr_bb_local_compute): Ditto.
6030 (df_ur_bb_local_compute): Ditto.
6031 (df_urec_bb_local_compute): Ditto.
6032 (df_chain_create_bb): Ditto.
6033 (df_ur_local_finalize): Removed entry.
6034 (df_urec_init): Ditto.
6035 (df_urec_local_finalize): Ditto.
6036 (df_ri_bb_compute): Added detection of last use of pseudos.
6037 * Makefile.in (df-scan.o): Updated dependencies.
6038 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6039 * config/mips/mips.c (mips_set_live_on_entry): Added.
6040 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6042 * dce.c (marked_insn_p): Added code to handle artifical defs.
6044 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6046 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6048 (_mm_cvtsi128_si64): Likewise.
6049 (_mm_cvtsd_si64): Likewise.
6050 (_mm_cvttsd_si64): Likewise.
6051 (_mm_cvtsi64_sd): Likewise.
6052 (_mm_cvtsi64_si128): Likewise.
6053 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6054 (_mm_cvtsi64_m64): Likewise.
6055 (_m_to_int64): Likewise.
6056 (_mm_cvtm64_si64): Likewise.
6057 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6058 (_mm_cvttss_si64): Likewise.
6059 (_mm_cvtsi64_ss): Likewise.
6060 (_mm_cvtss_f32): Likewise.
6062 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6064 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6065 for pragma redefine_extname.
6067 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6070 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6071 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6072 -mno-minimal-toc to previous content.
6073 (bispecs): Remove goal.
6074 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6075 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6076 compatibility aliases on powerpc-*-*gnu*.
6077 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6078 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6079 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6080 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6081 (ldblspecs): New goal.
6082 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6083 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6085 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6086 L_sf_to_tf or L_df_to_tf is defined.
6088 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6089 Alan Modra <amodra@bigpond.net.au>
6092 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6093 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6094 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6095 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6096 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6097 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6098 (rs6000_override_options): Initialize rs6000_ieeequad.
6099 Initialize TFmode format to ibm_extended_format if not
6101 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6103 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6104 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6105 (function_arg_advance): IBM long double passed in two FPRs, not
6107 (function_arg): IBM long double passed in FPRs.
6108 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6109 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6110 Only multireg GPR aligned.
6111 (rs6000_init_libfuncs): Enable IBM long double functions if not
6113 (rs6000_generate_compare): Use IBM long double compare if not
6115 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6116 (TARGET_IEEEQUAD): Define.
6117 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6118 not TARGET_IEEEQUAD.
6119 * config/rs6000/rs6000.md: Enable TFmode patterns if
6121 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6122 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6123 and -mlong-double-128 are incompatible.
6124 * doc/invoke.texi (-mabi): Collect options together. Add
6125 ibmlongdouble and ieeelongdouble.
6127 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6129 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6131 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6132 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6133 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6134 * rtl.h (rtunion_def): Remove rt_ptr.
6136 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6137 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6138 * config/i386/winnt.c (i386_pe_mark_dllexport)
6139 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6141 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6143 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6145 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6149 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6150 pthread_key_delete. From John David Anglin. gthrw-ify
6151 pthread_getunique_np only if it it's not a macro. Delete
6153 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6154 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6155 __gthread_objc_condition_signal, __gthread_key_delete): Add
6156 "__attribute__ ((__unused__))" to unused arguments.
6157 (__gthread_recursive_mutex_init_function): Add missing return.
6158 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6159 gthr-posix95.h: Use macro-based approach for name redirection
6160 on targets missing weakref.
6162 2006-01-26 Zack Weinberg <zackw@panix.com>
6164 * genconditions.c (write_header): In generated code, #ifdef out
6165 all includes and fake declarations, except includes of bconfig.h
6166 and system.h, unless GCC_VERSION >= 3001. Do not include
6167 gensupport.h in any case.
6168 (write_conditions): Generate a definition of struct c_test. Add
6169 a comment to the generated #endif.
6170 (write_one_condition): Escape backslashes in string too.
6171 (write_writer): Generated code must escape backslashes and quote
6172 marks (but not newlines) in the strings it writes.
6173 * Makefile.in (build/gencondmd.o): Update dependencies.
6175 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6178 * Makefile.in (insn-automata.o): Add header file dependencies.
6179 * genautomata.c: Add includes.
6181 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6184 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6186 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6188 * configure.ac: Expect target tools paths to be passed from the toplevel
6189 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6191 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6193 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6196 * c.opt (Wpointer-sign): Init to -1.
6197 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6198 OPT_pedantic, to 0 otherwise.
6199 * doc/invoke.texi: Update.
6201 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6203 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6204 constants provided by 80387 instructions in the destination mode.
6206 2006-01-26 Richard Guenther <rguenther@suse.de>
6207 Andrew Pinski <pinskia@physics.uc.edu>
6210 partial PR tree-opt/17064
6211 * tree-ssa-structalias.c (intra_create_variable_infos):
6212 Create heap variables for incoming parameters if
6213 flag_argument_noalias > 1.
6214 (find_what_p_points_to): Look through default defs of
6217 2006-01-26 Jeff Law <law@redhat.com>
6220 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6221 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6222 within the VR_RANGE, use the VR_RANGE as the result, not the
6224 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6225 bounds for the type.
6227 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6229 * tree-ssa-alias.c (maybe_create_global_var): Change
6230 subvar walking to an assertion that we don't have subvar'd variables.
6232 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6235 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6236 Use a new variable, inner. PARM_DECLs are always non-weak.
6238 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6240 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6243 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6245 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6247 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6249 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6250 (smax_insn, smin_insn, smax_0, smin_0): New.
6252 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6255 * config/cris/cris.c (cris_order_for_addsi3): New function.
6256 * config/cris/cris-protos.h: Prototype it.
6257 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6258 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6259 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6260 (split for "op.S1 [rx=rx+i],ry (swapped)")
6261 (split for "op(s|u).S1 [rx=rx+i],ry")
6262 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6263 Apply cris_order_for_addsi3 when generating addsi3 insns.
6265 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6267 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6268 (TREE_BLOCK): Add call to EXPR_CHECK.
6270 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6273 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6274 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6275 (dump_omp_clauses): ... here.
6276 (dump_generic_node): Handle OMP_CLAUSE.
6277 * tree.c (omp_clause_num_ops): New.
6278 (omp_clause_code_name): New.
6279 (tree_code_size): Handle OMP_CLAUSE.
6280 (tree_size): Likewise.
6281 (make_node): Document handling of OMP_CLAUSE.
6282 (tree_node_structure): Handle OMP_CLAUSE.
6283 (omp_clause_check_failed): New.
6284 (omp_clause_range_check_failed): New.
6285 (omp_clause_operand_check_failed): New.
6286 (build_omp_clause): New.
6287 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6288 * tree.h (enum omp_clause_code): Declare.
6289 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6290 (OMP_CLAUSE_RANGE_CHECK): Define.
6291 (OMP_CLAUSE_ELT_CHECK): Define.
6292 (omp_clause_check_failed): Declare.
6293 (omp_clause_operand_check_failed): Declare.
6294 (omp_clause_range_check_failed): Declare.
6295 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6296 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6297 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6298 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6299 (OMP_CLAUSE_IF_EXPR): Likewise.
6300 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6301 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6302 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6303 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6304 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6305 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6306 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6307 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6308 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6309 (OMP_CLAUSE_CODE): Define.
6310 (OMP_CLAUSE_SET_CODE): Define.
6311 (OMP_CLAUSE_CODE): Define.
6312 (OMP_CLAUSE_OPERAND): Define.
6313 (struct tree_omp_clause): Declare.
6314 (union tree_node): Add field 'omp_clause'.
6315 * treestruct.def (TS_OMP_CLAUSE): Define.
6316 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6317 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6318 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6319 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6320 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6321 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6322 (OMP_CLAUSE): Define.
6323 * print-tree.c (print_node): Handle OMP_CLAUSE.
6324 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6325 * c-typeck.c: Likewise.
6326 * gimplify.c: Likewise.
6327 * c-omp.c: Likewise.
6328 * tree-nested.c: Likewise.
6329 * tree-inline.c: Likewise.
6330 * c-parser.c: Likewise.
6331 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6334 2006-01-25 Roger Sayle <roger@eyesopen.com>
6336 PR rtl-optimization/25703
6337 * combine.c (try_combine): Handle zero_extract and strict_low_part
6338 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6340 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6342 * global.c: Fix comment typos.
6344 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6347 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6348 Use output_addr_const instead of assemble_name.
6350 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6352 * Makefile.in (sched-vis.o): Update dependencies.
6353 * haifa-sched.c (sched_finish): Clear current_sched_info.
6354 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6355 (dump_flow_info): Call it.
6356 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6358 * basic-block.h (dump_bb_info): Declare.
6359 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6360 option, and apply options only for dump files whose TDF_RTL,
6361 TDF_TREE, or TDF_IPA bits match.
6362 * rtl.h: Declare new functions exported from sched-vis.c.
6363 * sched-vis.c: Enable also if scheduling is not used.
6364 (print_value): Print the mode of registers if not inside scheduling.
6365 (print_insn): Make it work outside the scheduler. Beautify the output
6367 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6369 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6371 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6372 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6373 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6374 depending on the value of CONSTANT_POOL_ADDRESS_P.
6375 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6377 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6378 rather than SYMBOL_REF_DECL.
6379 (rtx_constant_pool): Remove const_rtx_sym_htab.
6380 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6381 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6382 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6383 Remove handling of const_rtx_sym_htab.
6384 (find_pool_constant): Delete.
6385 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6386 rather than find_pool_constant.
6387 (get_pool_constant_for_function): Delete.
6388 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6390 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6391 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6392 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6393 (SYMBOL_REF_CONSTANT): New macro.
6394 (get_pool_constant_for_function): Delete.
6395 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6396 rather than SYMBOL_REF_DECL.
6397 (i386_pe_mark_dllimport): Likewise.
6398 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6399 rather than SYMBOL_REF_DECL.
6400 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6401 (machopic_indirect_call_target): Likewise.
6403 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6405 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6407 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6409 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6411 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6413 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6415 2006-01-24 David Daney <ddaney@avtrex.com>
6418 * configure.ac (enable_tls): New enable option.
6419 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6420 * configure: Regenerate.
6421 * doc/install.texi (--enable-tls): Document new option.
6422 (--disable-tls): Ditto.
6424 2006-01-24 Richard Henderson <rth@redehat.com>
6426 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6427 * alias.c (true_dependence): Respect it.
6428 (canon_true_dependence, write_dependence_p): Likewise.
6429 * builtins.c (get_builtin_sync_mem): Set it.
6431 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6433 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6436 2006-01-24 DJ Delorie <dj@redhat.com>
6438 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6439 for storing constants in single-bit bitfields.
6441 2006-01-25 Ben Elliston <bje@au.ibm.com>
6443 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6445 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6448 * tree-ssa-pre.c (phi_translate): Return NULL
6449 for AGGREGATE_TYPE's.
6451 2006-01-24 Zack Weinberg <zackw@panix.com>
6453 * genautomata.c (process_state_for_insn_equiv_partition):
6454 Use xcalloc for insn_arcs_array.
6455 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6456 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6458 2006-01-24 Richard Henderson <rth@redhat.com>
6460 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6463 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6465 PR rtl-optimization/25890
6466 PR rtl-optimization/25905
6467 * combine.c (expand_compound_operation, expand_field_assignment):
6468 Fail if the bitfield's final position is out of bounds.
6470 2006-01-24 Ian Lance Taylor <ian@airs.com>
6473 * cgraphunit.c (cgraph_output_in_order): Don't clear
6474 cgraph_asm_nodes until after asm strings have been output.
6476 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6478 * fix-header.c (read_scan_file): Add new parameter imultilib when
6479 calling register_include_chains.
6481 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6483 * omp-low.c: Update documentation.
6485 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6486 Daniel Berlin <dberlin@dberlin.org>
6490 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6491 return from the function.
6493 2006-01-22 Zack Weinberg <zackw@panix.com>
6495 * rtl.def (match_code): Add second argument.
6496 * genpreds.c (write_extract_subexp): New function.
6497 (write_match_code): Add path argument. Use write_extract_subexp.
6498 (write_predicate_expr): Pass path to write_match_code.
6499 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6500 not perform a mode test.
6501 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6502 a subexpression does not constrain the top-level code set.
6503 * read-rtl.c (read_rtx_variadic): New function.
6504 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6505 * doc/md.texi: Document new notation.
6506 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6507 (cmpsi_operand): ... here, using new notation.
6509 2006-01-22 Zack Weinberg <zackw@panix.com>
6511 * varray.c: Remove GENERATOR_FILE #ifdefs.
6513 2006-01-22 Zack Weinberg <zackw@panix.com>
6515 * genautomata.c (output_reserved_units_table): Emit nothing if
6516 description->query_units_num is zero. Remove extra blank line.
6517 (output_cpu_unit_reservation_p): Short circuit
6518 if description->query_units_num is zero.
6520 2006-01-22 Zack Weinberg <zackw@panix.com>
6522 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6523 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6524 nor any of the random handful of variables that used to be necessary
6525 when this program was linked with rtlanal.o. Prune set of forward
6526 function declarations.
6527 (struct attr_desc): Remove static_p field.
6528 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6529 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6530 (attr_string): Do not read the character one past the length of
6532 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6533 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6534 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6535 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6536 (make_automaton_attrs): New.
6537 (main): Do not call into genautomata. Call local gen_bypass
6538 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6539 Remove special case for insn_alts.
6540 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6541 varray.h (leftover from previous change). Prune set of forward
6542 function declarations. Remove state_alts fields from all
6543 structures. Remove state_alts_table from struct automaton.
6544 Make everything except main static. Do not maintain num_dfa_decls.
6545 Do not maintain state_alts fields of various structures.
6546 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6547 (add_arc): Remove state_alts argument. All callers updated.
6548 (output_reserved_units_table): Emit #ifdef here...
6549 (output_tables): ...not here. Don't generate state_alts tables.
6550 (expand_automata): Don't generate attributes.
6551 (write_automata): Don't generate state_alts functions.
6552 (main): New function.
6553 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6554 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6555 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6556 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6557 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6558 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6559 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6560 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6562 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6563 * genattrtab.h: Delete file.
6564 * Makefile.in (OBJS-common): Add insn-automata.o.
6565 (insn-automata.o): New rule.
6566 (simple_generated_c): Add insn-automata.c.
6567 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6568 (genprogmd): Add automata.
6569 (build/genattrtab): Needs no extra objects nor libraries.
6570 (build/genautomata): Needs build/vec.o and -lm.
6572 2006-01-22 Zack Weinberg <zackw@panix.com>
6574 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6575 (output_dfa_max_issue_rate, locked_states_num): Delete.
6576 (struct automaton): Add locked_states field.
6577 (output_dead_lock_vect): Save number of locked states in
6578 automaton->locked_states. If it is zero, don't print anything.
6579 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6580 (output_internal_dead_lock_func): Only test the dead_lock_vect
6581 for automata that have locked states.
6582 (output_statistics): Always print the number of locked states for
6583 each automaton. Calculate total number of locked states here.
6584 (write_automata): Don't call output_dfa_max_issue_rate.
6585 * genattrtab.c: Define length_unit_log as a const variable.
6586 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6587 max_insn_queue_index const.
6588 * final.c (length_unit_log): Declare const.
6589 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6591 2006-01-22 Zack Weinberg <zackw@panix.com>
6593 * genautomata.c: Include vec.h, not varray.h.
6594 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6595 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6596 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6597 VEC_* macros operating on appropriately typed vectors, or to
6598 malloced arrays when the size is known in advance. Const-ify
6599 many char* variables and function arguments. No functional changes.
6600 * Makefile.in (build/varray.o): Delete rule.
6601 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6602 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6604 2006-01-22 Zack Weinberg <zackw@panix.com>
6606 * gensupport.c: Define get_insn_name and record_insn_name here.
6607 (read_md_rtx): Call record_insn_name as appropriate.
6608 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6609 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6610 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6612 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6613 (BUILD_VARRAY): Delete.
6614 (genprognormal): Rename genprogmd. Fold in all programs from
6615 genprognoprint; also attrtab.
6616 (build/genattrtab): Just mention genautomata.o and varray.o.
6617 Reorganize a bit, add comments to make the categories clearer.
6619 2006-01-22 Zack Weinberg <zackw@panix.com>
6621 * genconditions.c (condition_table, add_condition): Delete.
6622 (write_conditions): Don't emit n_insn_conditions nor
6623 insn_elision_unavailable. Issue the gcc version #ifdef here,
6624 inside the table, with no #else clause ...
6625 (write_header): ...not here.
6626 (write_writer): New function.
6627 (main): Don't initialize condition_table. Use add_c_test.
6629 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6630 files on the command line.
6631 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6632 Return -1 if there is no entry in the table, don't abort.
6633 (add_c_test, traverse_c_tests): New functions.
6634 * gensupport.h (insn_elision_unavailable, insn_conditions)
6635 (n_insn_conditions): Delete declarations.
6636 (add_c_test, traverse_c_tests): Declare.
6637 * read-rtl.c: Include gensupport.h.
6638 (read_conditions): New function.
6639 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6640 (read_rtx_1): If we get EOF when we were looking for an initial
6641 open paren, return 0. Call read_conditions when appropriate.
6642 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6643 dummy-conditions.o. Eliminate references to insn-conditions.o,
6644 or change them to build/gencondmd.o, as appropriate. Remove
6645 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6646 from $(simple_generated_c). For all files remaining in those
6647 two lists, add insn-conditions.md to the generator command line.
6648 Give insn-constants.h/s-constants their own rules. Add rules
6649 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6650 (build/read-rtl.o): Depend on gensupport.h.
6651 (genprognormal): Include preds.
6652 (genprogearly): Rename genprognoprint; only difference is now that
6653 they don't link with $(BUILD_PRINT).
6654 * dummy-conditions.c: Delete.
6656 2006-01-22 Zack Weinberg <zackw@panix.com>
6658 * genextract.c: Don't include insn-config.h. Do include vec.h.
6659 Declare vectors of int, char, and locstr.
6660 (locstr): New typedef.
6661 (struct extraction): Make all array fields into bare pointers.
6662 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6663 (insn_code_number): Delete.
6664 (accum_extract): New struct.
6665 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6666 (gen_insn): Take insn_code_number as an argument. Use an
6667 accum_extract structure instead of loading data directly into
6668 a struct extraction, and having to know how big it might get.
6669 (walk_rtx): Operate entirely on an accum_extract structure.
6670 (print_path): Avoid unnecessary use of printf.
6671 (print_header): New function, split out of main. Distinguish
6672 more carefully between an unrecognizable insn and an insn that
6673 has the code number of a define_expand.
6674 (main): Pass insn_code_number to gen_insn. Call print_header
6675 only after parsing. Avoid unnecessary use of printf.
6676 * Makefile.in (build/vec.o): New rule.
6677 (build/genextract): Depend on build/vec.o.
6678 (build/genextract.o): Don't depend on insn-config.h.
6680 2006-01-22 Zack Weinberg <zackw@panix.com>
6682 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6683 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6684 practical. Eliminate per-generator-program link rules.
6686 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6689 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6690 with a call expr to ...
6691 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6693 2006-01-23 Richard Guenther <rguenther@suse.de>
6695 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6696 before make_edge with conditional EDGE_TRUE_VALUE.
6698 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6699 Jan Hubicka <jh@suse.cz>
6700 Richard Guenther <rguenther@suse.de>
6702 PR rtl-optimization/25654
6703 * cfgexpand.c (aggregate_contains_union_type): New function.
6704 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6705 for structure variables that contain a union type.
6707 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6709 * gengtype.c (new_structure): Return the structure.
6710 (create_option): Add an extra "next" argument.
6711 (create_field): New function.
6712 (adjust_field_rtx_def): Use create_option and create_field.
6713 Remove a now-unnecessary call to find_structure.
6714 (adjust_field_tree_def): Likewise.
6715 (note_yacc_type): Remove an unnecessary call to find_structure.
6716 * gengtype.h (new_structure): Return the structure.
6717 (create_option): Add an extra argument.
6718 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6719 (option): Adjust calls to create_option.
6721 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6723 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6725 2006-01-22 Paul Brook <paul@codesourcery.com>
6726 Peter Barada <peter@the-baradas.com>
6728 * config/m68k/m68k.md: Add Coldfire FPU support.
6729 Define FP mode macro and associated attributes.
6730 Use it for float mode patterns.
6731 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6732 (LIBCALL_VALUE): Use m68k_libcall_value.
6733 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6734 (m68k_function_value): Ditto.
6735 (emit_move_sequence): Ditto.
6736 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6737 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6738 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6739 (MULTILIB_EXCEPTIONS): Ditto.
6740 * config/m68k/m68k.opt: Add mcfv4e.
6741 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6742 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6743 (m68k_output_function_prologue): Save ColdFire FPU registers.
6744 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6745 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6746 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6747 ColdFire FPU registers.
6748 (m68k_libcall_value, m68k_function_value): New functions.
6749 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6750 (LIBCALL_VALUE): Use m68k_libcall_value.
6751 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6752 (MASK_COLDFIRE): Add MASK_CFV4E.
6753 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6754 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6755 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6756 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6757 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6758 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6759 * doc/invoke.tex: Document -mcfv4e on m68k.
6761 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6763 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6766 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6769 * c-opts.c (c_common_handle_option): Don't include
6770 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6771 * doc/invoke.texi (C++ Dialect Options): Document that
6772 -Wnon-virtual-dtor is no longer included in -Wall.
6774 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6776 * gcov.c (print_version), gcov-dump.c (print_version),
6777 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6780 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6782 * df-scan.c (problem_SCAN): Added NULL reset function.
6783 (df_scan_reset_blocks): Added code to call reset block function
6784 (df_bb_refs_delete) Fixed comment.
6785 (df_insn_refs_delete): Made tolerant of deleting non existent info
6786 for dataflow problems that need to be reset.
6787 * df-core.c (df_set_blocks): Ditto.
6788 * df.h (struct df_problem): Added reset_fun.
6789 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6790 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6791 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6792 functions to clear out all references to def-use or use-def chains.
6794 2006-01-21 Ben Elliston <bje@au.ibm.com>
6796 * varasm.c (assemble_real): Initialise data array.
6798 2006-01-20 Paul Brook <paul@codesourcery.com>
6800 Merge from csl-arm-branch.
6801 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6802 * config/arm/arm.md (movdi): Force operands[1] to a register
6803 if we have a non-register source.
6804 (*arm_movdi, *movdf_soft_insn): Require that one of the
6805 operands be a register.
6806 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6807 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6809 2006-01-20 DJ Delorie <dj@redhat.com>
6811 * varasm.c (initialize_constant_valid_p): Allow pointers
6812 initialized from integer constants of lesser precision.
6813 (output_constant): Allow non-int-sized pointer modes to be
6814 initialized from integer constants.
6816 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6819 * cppdefault.h (struct default_include): Add multilib flag.
6820 * cppdefault.c (cpp_include_defaults): Set it.
6821 * c.opt (-imultilib): New option.
6822 * c-opts.c (imultilib): New.
6823 (c_common_handle_option): Handle -imultilib.
6824 (c_common_post_options): Likewise.
6825 * c-incpath.c (add_standard_paths, register_include_chains):
6827 * c-incpath.h (register_include_chains): Add extra parameter.
6828 * gcc.c (do_spec_1): Generate -imultilib option.
6829 (The Specs Language): Update %I description.
6830 (process_command): Update copyright notice.
6831 * doc/cppopts.texi (-imultilib): Document.
6832 * doc/invoke.texi (-imultilib): Include in option summary.
6833 (%I): Update specs documentation.
6835 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6837 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6839 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6841 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6844 2006-01-20 Richard Guenther <rguenther@suse.de>
6845 Steven Bosscher <stevenb.gcc@gmail.com>
6847 PR rtl-optimization/24626
6848 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6849 EDGE_TRUE_VALUE if in RTL mode.
6852 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6853 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6855 2006-01-20 Dirk Mueller <dmueller@suse.com>
6858 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6859 instead of a special NOP marker.
6860 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6861 NOP marker handling.
6862 * c-common.h (empty_body_warning): Add forward declaration.
6863 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6864 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6866 2006-01-20 Paul Brook <paul@codesourcery.com>
6868 * Makefile.in (lang_checks): Keep going if mkdir fails.
6870 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6872 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6873 be able to clean out basic block when not necessary.
6874 (df_scan_free): Fixed to properly delete information if df is
6875 unused before calling df_finish.
6876 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6877 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6879 (df_bb_refs_delete): New function.
6880 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6881 * df-core.c (df_set_blocks): Added code to properly clean out
6882 unused blocks if they are not part of the blocks to consider.
6883 Added additional null check.
6884 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6885 be able to clean out basic block when not necessary
6886 * df.h (df_free_bb_function): Ditto.
6887 (df_bb_refs_delete): New function.
6888 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6889 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6890 basic block parameter to be able to clean out basic block when not
6892 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6893 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6894 Fixed to properly delete information if df is unused before
6897 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6899 PR rtl-optimization/25799
6900 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6901 Corrected confluence operator to remove bits from op2 before oring
6902 with op1 rather than removing bits from op1.
6903 (df_ru_transfer_function): Corrected test on wrong bitmap which
6904 caused infinite loop. Both of these problems were introduced in
6905 the dataflow rewrite.
6907 2006-01-19 DJ Delorie <dj@redhat.com>
6909 * reload1.c (find_reload_regs): Note the details of reload
6910 failures in the dump file.
6911 (spill_failure): Likewise.
6913 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6915 * loop-iv.c: Include df.h and hashtab.h.
6916 (enum iv_grd_result): New enum.
6917 (DF_REF_IV, DF_REF_IV_SET): New macros.
6918 (struct biv_entry): New.
6919 (df, bivs): New global variables.
6920 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6921 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6923 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6924 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6925 analyzed_for_bivness_p, record_biv): New functions.
6926 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6927 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6928 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6930 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6932 (iv_number_of_iterations): Use new interface to iv analysis.
6933 * loop-unroll.c: Do not include varray.h.
6934 (analyze_iv_to_split_insn): Use new interface to iv
6936 * loop-unswitch.c (may_unswitch_on): Ditto.
6937 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6939 (df_bb_modify): Realloc tables to the new index.
6940 (df_find_use): New function.
6941 * df.h (df_find_use): Declare.
6942 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6944 * cfgloop.h (struct rtx_iv): Remove analysed field.
6945 (iv_get_reaching_def): Removed.
6946 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6947 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6948 (loop-iv.o): Add df.h and hashtab.h dependency.
6949 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6951 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6954 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6956 (__floatundisf, __floatundidf): Likewise.
6957 * libgcc2.h (IS_IBM_EXTENDED): Define.
6959 2006-01-19 DJ Delorie <dj@redhat.com>
6961 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6963 2006-01-19 Paul Brook <paul@codesourcery.com>
6965 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6966 as nothrow when unwinding tables are disabled.
6968 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6971 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6972 of bit-field" when in system header.
6974 2006-01-19 DJ Delorie <dj@redhat.com>
6976 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6977 the 16 bit shift limit of the m16c.
6979 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6982 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6983 * config/i386/i386.c (output_set_got): Output the label if we have one
6984 for the TARGET_DEEP_BRANCH_PREDICTION case.
6986 2006-01-19 Jan Hubicka <jh@suse.cz>
6987 H.J. Lu <hongjiu.lu@intel.com>
6988 Evandro Menezes <evandro.menezes@amd.com>
6990 * invoke.texi (generic): Document
6992 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6993 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6994 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6995 (x86_use_incdec, x86_pad_returns): New variables
6996 (TARGET_CPU_DEFAULT_generic): New constant
6997 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6998 (enum processor_type): Add generic32 and generic64.
6999 * i386.md (cpu attribute): Add generic32/generic64
7000 (movhi splitter): Behave sanely when both partial_reg_dependency and
7001 partial_reg_stall are set.
7002 (K8 splitters): Enable for generic as well.
7003 * predicates.md (incdec_operand): Use TARGET_INCDEC
7004 (aligned_operand): Avoid memory mismatch stalls.
7005 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7006 * ppro.md: Enable for generic32
7007 * i386.c (generic64_cost, generic32_cost): New.
7008 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7009 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7010 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7011 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7012 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7013 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7014 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7015 x86_accumulate_outgoing_args, x86_prologue_using_move,
7016 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7017 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7019 (x86_use_incdec, x86_pad_returns): New.
7020 (override_options): Add generic32 and generic64, translate "generic"
7021 to generic32/generic64 and "i686" to "generic32", refuse
7022 "generic32"/"generic64" as arch target.
7023 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7024 (ix86_reorg): Honor PAD_RETURNS.
7026 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7028 * tree-pretty-print.c (dump_generic_node): Handle
7029 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7030 * cgraph.c (cgraph_expand_queue): Rename from
7031 cgraph_analyze_queue. Update all users.
7032 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7033 cgraph_expand_queue.
7034 (cgraph_expand_all_functions): Likewise.
7035 (cgraph_finalize_pending_functions): Remove. Update callers.
7037 * tree.h (OMP_DIRECTIVE_P): Define.
7038 (OMP_PARALLEL_FN): Define.
7039 (OMP_PARALLEL_DATA_ARG): Define.
7040 (OMP_SECTIONS_SECTIONS): Define.
7041 * tree-pass.h (pass_expand_omp): Declare.
7042 * omp-low.c (struct omp_region): Declare.
7043 (struct omp_context): Remove fields 'parallel_type',
7044 'parallel_start_ix' and 'parallel_start_additional_args'.
7046 (struct omp_for_data): Rename from struct expand_omp_for_data.
7047 (omp_regions): New static variable.
7048 (root_omp_region): New static variable.
7049 (find_omp_clause): Make static.
7050 (is_in_combined_parallel_ctx): Remove.
7051 (is_combined_parallel): New.
7052 (extract_omp_for_data): Move earlier in the file.
7053 (workshare_safe_to_combine_p): New.
7054 (get_ws_args_for): New.
7055 (determine_parallel_type): Move earlier in the file.
7056 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7058 (omp_copy_decl): Likewise.
7059 (create_omp_child_function): Likewise.
7060 (lookup_omp_region): New.
7061 (dump_omp_region): New.
7062 (debug_omp_region): New.
7063 (debug_all_omp_regions): New.
7064 (new_omp_region): New.
7065 (scan_omp_parallel): If parallel_nesting_level > 1, the
7066 directive is nested within another parallel directive.
7067 Set OMP_PARALLEL_FN.
7068 (scan_omp_for): Do not try to handle combined parallel+for
7070 Remove FIXME comment.
7071 (scan_omp_nested): Remove.
7072 (scan_omp_1): Do not call scan_omp_nested when
7073 parallel_nesting_level is > 1.
7074 Do not change the DECL_CONTEXT of local variables found.
7075 (lookup_decl_in_outer_ctx): New.
7076 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7077 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7078 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7079 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7080 If CTX is nested, lookup VAR in the outer context when
7081 building copy assignment.
7082 (lower_send_clauses): Rename from expand_send_clauses.
7083 If CTX is nested, lookup VAR in the outer context when
7084 building copy assignments.
7085 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7086 If CTX is nested, lookup VAR in the outer context when
7087 building copy assignments.
7088 (expand_parallel_call): Rename from build_parallel_call.
7089 Handle combined parallel+workshare cases.
7090 Re-implement to emit code into the CFG.
7092 (expand_omp_parallel): Re-implement to emit code into the CFG.
7093 Call move_sese_region_to_fn to outline the sub-graph
7094 containing the parallel region.
7095 (expand_omp_for_1): Remove.
7096 (expand_omp_for_generic): Re-implement to emit code into the
7098 (expand_omp_for_static_nochunk): Likewise.
7099 (expand_omp_for_static_chunk): Likewise.
7100 (expand_omp_for): Likewise.
7101 (expand_omp_sections): Likewise.
7102 (remove_exit_barriers): New.
7103 (expand_omp_synch): New.
7105 (build_omp_regions_1): New.
7106 (build_omp_regions): New.
7107 (execute_expand_omp): New.
7108 (gate_expand_omp): New.
7109 (pass_expand_omp): Define.
7110 (lower_omp_sections): Rename from expand_omp_sections.
7111 Set OMP_SECTIONS_SECTIONS.
7112 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7113 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7114 (lower_omp_single): Rename from expand_omp_simple.
7115 (lower_omp_master): Rename from expand_omp_master.
7116 (lower_omp_ordered): Rename from expand_omp_ordered.
7117 (lower_omp_critical): Rename from expand_omp_critical.
7118 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7119 (lower_omp_for): Re-implement.
7120 (lower_omp_parallel): Re-implement.
7121 (lower_regimplify): Rename from expand_regimplify.
7122 (lower_omp_1): Rename from expand_omp_1.
7123 If there are syntax errors in the program, replace every
7124 OpenMP directive with NOP.
7125 Call lower_omp_* instead of expand_omp_*.
7126 (lower_omp): Rename from expand_omp.
7128 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7129 * tree-gimple.h (enum omp_parallel_type): Remove.
7130 (gimple_boolify): Declare extern.
7131 (find_omp_clause, determine_parallel_type): Remove.
7133 * gimple-low.c (lower_omp_directive): New.
7134 (lower_stmt): Call it.
7135 (record_vars_into): Move from ...
7136 (record_vars): ... here.
7137 Call record_vars_into with current_function_decl.
7139 * gimplify.c (struct gimplify_ctx): Remove fields
7140 combined_pre_p and combined_ctxp. Update users.
7141 (get_formal_tmp_var): Add documentation.
7142 (gimple_boolify): Make extern.
7143 (gimplify_expr_in_ctx): Remove. Update callers.
7144 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7145 will always be a BIND_EXPR.
7146 (gimplify_expr): Handle OMP_RETURN_EXPR.
7147 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7148 (OMP_PARALLEL): Add 3 operands.
7149 (OMP_SECTIONS): Add 1 operand.
7150 (OMP_RETURN_EXPR): Define.
7152 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7153 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7154 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7155 creating a circular free list.
7156 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7158 * tree-flow.h (move_sese_region_to_fn): Declare.
7159 (record_vars_into): Declare.
7160 * tree-cfg.c (make_omp_sections_edges): New.
7161 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7162 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7163 OMP_SECTIONS and OMP_SECTION.
7164 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7165 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7166 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7167 (gather_blocks_in_sese_region): New.
7168 (struct move_stmt_d): Declare.
7170 (move_block_to_fn): New.
7171 (move_sese_region_to_fn): New.
7173 * passes.c (init_optimization_passes): Schedule
7174 pass_expand_omp after pass_init_datastructures.
7176 * tree-ssa-operands.c (get_expr_operands): Handle
7177 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7178 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7180 2006-01-19 Jeff Law <law@redhat.com>
7182 * tree-vrp.c (extract_range_from_assert): Refine the result range
7183 if the variable referenced by the ASSERT_EXPR has a range and
7184 either the tentative result range or the previous range is a
7187 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7189 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7191 2006-01-19 Jan Hubicka <jh@suse.cz>
7193 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7195 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7197 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7198 (expand_compound_operation, expand_field_assignment): Fail if the
7199 bit lengths of an extract operation are out of range.
7200 (make_extraction): Compute wanted_inner_mode based on the position
7201 and length of the extraction. Make it extraction_mode for non-constant
7202 positions, and do not modify offset in that case. When generating a
7203 new MEM, use a mode that can hold the extraction while keeping correct
7204 alignment. Remove code that supported MEMs wrapped by USEs.
7205 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7207 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7209 * config/s390/s390.md ("Y", "y"): New mode attribute.
7210 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7211 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7212 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7213 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7214 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7215 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7216 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7217 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7218 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7219 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7220 "addsi3", "subsi3"): Insn patterns removed.
7221 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7222 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7223 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7224 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7225 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7226 "*sub<mode>3_cconly2"): New insn patterns.
7227 ("addsi3", "subsi3"): New expanders.
7229 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7231 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7232 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7233 existing STMT_VINFO_VECTYPE if available.
7234 (vect_mark_relevant): Add special handling for stmts that are
7235 marked as STMT_VINFO_IN_PATTERN_P.
7236 (vect_analyze_loop): Call vect_pattern_recog.
7237 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7238 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7240 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7241 (vect_recog_func_ptr): New function-pointer type.
7242 * tree-vect-patterns.c: New file.
7243 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7244 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7245 (vect_pattern_recog_1): New functions.
7246 (vect_pattern_recog_funcs): New array of function pointers.
7248 * tree-vectorizer.h (ternary_op): New enum value.
7249 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7250 declaration. Revised documentation. Removed redundant dump prints.
7251 Removed redundant argument. Added support for reduction patterns.
7252 (vectorizable_reduction): Added support for reduction patterns.
7253 (vect_transform_stmt): Added support for patterns.
7255 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7256 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7257 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7258 (expand_widen_pattern_expr): New function.
7259 (init_optabs): Initialize new optabs udot_prod_optab,
7261 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7262 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7263 (expand_widen_pattern_expr): New function declaration.
7264 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7266 * tree-inline.c (estimate_num_insns_1): Added cases for new
7267 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7268 * tree-pretty-print.c (dump_generic_node): Likewise.
7269 (op_prio): Likewise.
7270 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7271 * tree-ssa-operands.c (get_expr_operands): Added case for
7273 * tree-vect-patterns.c (widened_name_p): New function.
7274 (vect_recog_dot_prod_pattern): Added function implementation.
7275 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7276 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7277 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7278 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7280 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7281 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7282 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7283 (init_optabs): Initialize new optabs widen_ssum_optab,
7285 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7286 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7287 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7288 use instead of type of def.
7289 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7290 function implementation.
7291 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7292 widen_ssumv8hi): New.
7294 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7297 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7300 * c-decl.c (add_flexible_array_elts_to_size): New function.
7301 (finish_decl): Use it.
7303 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7305 * diagnostic.h: Include options.h.
7306 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7307 dependancies for diagnostic.h.
7308 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7310 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7312 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7313 (ssa_ro_call_cache_valid): Ditto.
7314 * tree-ssa-alias.c (sort_tags_by_id): New function.
7315 (init_transitive_clobber_worklist): Ditto.
7316 (add_to_worklist): Ditto.
7317 (mark_aliases_call_clobbered): Ditto.
7318 (compute_tag_properties): Ditto.
7319 (set_initial_properties): Ditto.
7320 (compute_call_clobbered): Ditto.
7321 (compute_may_aliases): Call compute_call_clobbered and grouping.
7322 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7323 (compute_flow_insensitive_aliasing): Grouping now happens in our
7325 (setup_pointers_and_addressables): Remove clobbering related code.
7326 (add_may_alias): Ditto.
7327 (replace_may_alias): Ditto.
7328 (get_nmt_for): Ditto.
7329 (create_global_var):
7330 (is_escape_site): Return an escape_type enumeration.
7331 * tree-flow-inline.h (is_call_clobbered): Global var does not
7332 imply call clobbered.
7333 (mark_call_clobbered): Take a reason for marking this. Remove
7334 marking of globalness, and cache invalidation.
7335 (clear_call_clobbered): Remove cache invalidation code.
7336 * tree-dfa.c (dump_variable): If details is on, dump the reason
7338 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7340 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7341 (struct var_ann_d): Ditto.
7342 (enum escape_type): New.
7343 (mark_call_clobbered): Adjust prototype.
7344 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7345 are never call clobbered.
7346 Record reasons for escaping.
7347 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7348 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7349 (ssa_ro_call_cache_valid): Ditto.
7350 (clobbered_v_may_defs): Ditto.
7351 (clobbered_vuses): Ditto.
7352 (ro_call_vuses): Ditto.
7353 (clobber_stats): New.
7354 (init_ssa_operands): Zero out clobber stats.
7355 (fini_ssa_operands): Print out clobber stats.
7356 (get_call_expr_operands): Pass callee fndecl to
7358 (add_call_clobber_ops): Remove use of cache.
7359 Add use of PURE_CONST information.
7360 (add_call_read_ops): Remove use of cache.
7361 Add use of static not_read information.
7363 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7365 Introduce TLS descriptors for i386 and x86_64.
7366 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7367 (TARGET_ANY_GNU_TLS): New macro.
7368 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7369 (struct machine_function): Add tls_descriptor_call_expanded_p.
7370 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7371 (ix86_current_function_calls_tls_descriptor): Likewise.
7372 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7373 (override_options): Introduce gnu2 tls dialect.
7374 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7376 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7378 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7379 (ix86_init_machine_status): Initialize new field.
7380 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7381 (ix86_tls_module_base): New.
7382 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7383 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7384 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7385 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7386 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7387 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7388 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7389 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7390 * config/i386/predicates.md (tls_modbase_operand): New.
7391 (tp_or_register_operand): New.
7393 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7395 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7396 (look_for_address_of): Ditto.
7397 (ipa_init): Walk the function decls.
7398 (static_execute): Don't set readonly on FUNCTION_DECL's.
7400 2006-01-18 Roger Sayle <roger@eyesopen.com>
7402 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7403 for shifts where the source and destination registers are different.
7405 2006-01-18 Paul Brook <paul@codesourcery.com>
7407 Merge from csl-arm-branch.
7408 2005-03-14 Julian Brown <julian@codesourcery.com>
7409 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7410 (aeabi_llsl): Likewise.
7411 (ashrdi3): Likewise.
7412 (aeabi_lasr): Likewise.
7413 (lshrdi3): Likewise.
7414 (aeabi_llsr): Likewise.
7415 2005-03-10 Julian Brown <julian@codesourcery.com>
7416 * config.gcc: Disable shared libgcc for SymbianOS.
7417 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7419 2006-01-18 DJ Delorie <dj@redhat.com>
7421 * c-pragma.c (handle_pragma_diagnostic): New.
7422 (init_pragma): Register it.
7423 * doc/extend.texi: Document it.
7425 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7426 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7427 (diagnostic_context): Add classify_diagnostic[].
7428 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7429 as errors if they're overridden to DK_WARNING.
7430 (diagnostic_initialize): Initialize classify_diagnostic[].
7431 (diagnostic_set_kind_override): New.
7432 (diagnostic_report_diagnostic): Check for kind changes.
7433 * opts.c (common_handle_option): Take lang_mask. Update callers.
7435 * common.opt (Werror=): New.
7436 * doc/invoke.texi: Document -Werror=*
7438 2006-01-18 Jeff Law <law@redhat.com>
7440 * tree-vrp.c (test_for_singularity): Correct test for new
7441 min limit. Use operand_equal_p rather than pointer equality
7442 for testing if new min/max values are equal.
7444 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7445 using range information until after propagation and folding.
7447 2006-01-18 Richard Henderson <rth@redhat.com>
7448 Aldy Hernandez <aldyh@redhat.com>
7449 Jakub Jelinek <jakub@redhat.com>
7450 Diego Novillo <dnovillo@redhat.com>
7452 * omp-low.c: New file.
7453 * c-omp.c: New file.
7455 2006-01-18 Richard Henderson <rth@redhat.com>
7456 Jakub Jelinek <jakub@redhat.com>
7457 Diego Novillo <dnovillo@redhat.com>
7459 * doc/invoke.texi: Document -fopenmp.
7460 * tree-dump.h (debug_function): Declare.
7461 * hooks.c (hook_bool_tree_bool_false): New function.
7462 (hook_tree_tree_null): Remove.
7463 (hook_tree_tree_tree_null): New.
7464 * hooks.h: Update to match.
7465 * tree-pretty-print.c (debug_tree_chain): New.
7466 (print_generic_expr): Handle TDF_CHAIN.
7467 (dump_generic_node): Handle BLOCK.
7468 Do not abort with incomplete SWITCH_EXPRs.
7469 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7470 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7471 print space after directive name.
7472 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7473 Handle OMP_MASTER and OMP_ORDERED.
7474 Handle printing of OMP_BODY just in one place, goto
7475 dump_omp_body in the rest of OMP_* nodes that have
7477 Don't handle clause nodes here. Update omp statements to
7478 use dump_omp_clauses.
7479 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7480 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7481 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7482 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7483 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7484 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7485 Adjust output for GOMP_PARALLEL.
7486 (dump_omp_clauses): New.
7487 (print_declaration): Dump DECL_VALUE_EXPR.
7488 (op_symbol_1): Split out of op_symbol.
7489 (dumping_stmts): Remove. Update all users.
7490 * cgraph.c (cgraph_analyze_queue): New.
7491 (cgraph_add_new_function): New.
7492 * cgraph.h (cgraph_analyze_queue): Declare.
7493 (cgraph_add_new_function): Declare.
7494 (cgraph_lower_function): Remove.
7495 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7496 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7497 and TYPE_P nodes in its default clause.
7498 (empty_body_p): New.
7499 (tree_range_check_failed): New.
7501 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7502 OMP_CLAUSE_REDUCTION_MERGE,
7503 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7504 OMP_CLAUSE_PRIVATE_DEBUG,
7505 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7506 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7507 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7508 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7509 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7510 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7511 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7512 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7513 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7514 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7515 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7516 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7517 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7518 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7519 (TREE_RANGE_CHECK): New.
7520 (empty_body_p): Declare.
7521 (enum omp_clause_default_kind): New.
7522 (build_string_literal): Declare.
7523 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7524 (build5_stat, build5): Declare.
7525 * tree-pass.h (TDF_CHAIN): Define.
7526 * tree-pass.h (PROP_gimple_lomp): Define.
7527 (pass_lower_omp): Declare.
7528 * diagnostic.h (debug_tree_chain): Declare.
7529 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7531 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7532 * builtins.c (build_string_literal): Make extern.
7533 * gcc.c (include_spec_function): New.
7534 (static_spec_functions): Add it.
7535 (main): Move load of libgomp.spec ...
7536 (LINK_COMMAND_SPEC): ... here.
7537 (link_gomp_spec): New.
7538 (static_specs): Include it.
7539 (LINK_COMMAND_SPEC): Add link_gomp.
7540 (GOMP_SELF_SPECS): New.
7541 (driver_self_specs): Include it.
7542 (switch_matches): Don't mark inline.
7543 (main): Load libgomp.spec.
7544 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7545 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7546 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7547 * tree-gimple.h (enum omp_parallel): Declare.
7548 (determine_parallel_type): Declare.
7549 (omp_firstprivatize_variable): Declare.
7550 (omp_reduction_init): Declare.
7551 (diagnose_omp_structured_block_errors): Declare.
7552 (struct walk_stmt_info): Add want_return_expr.
7553 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7554 (find_omp_clause): Declare.
7555 (insert_field_into_struct): Declare.
7556 (struct walk_stmt_info): Move from tree-nested.c
7557 (walk_stmts): Declare.
7558 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7560 * cgraphunit.c (cgraph_lower_function): Make static.
7561 (cgraph_finalize_pending_functions): New.
7562 (cgraph_finalize_function): Call it.
7563 (cgraph_finalize_compilation_unit): Likewise.
7564 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7565 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7566 (BT_FN_UINT_UINT): New.
7567 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7568 DEF_FUNCTION_TYPE_VAR_4): Document.
7569 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7570 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7571 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7572 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7573 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7574 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7575 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7576 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7577 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7578 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7579 into separate files.
7580 (DEF_GOMP_BUILTIN): New.
7581 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7582 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7583 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7584 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7585 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7586 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7587 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7588 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7589 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7590 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7591 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7592 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7593 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7594 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7595 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7596 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7597 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7598 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7599 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7600 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7601 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7602 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7603 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7604 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7605 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7606 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7607 * sync-builtins.def: New file, moved from builtins.def.
7608 * omp-builtins.def: New file, moved from builtins.def.
7609 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7610 * gimple-low.c (lower_function_body): Clear data.
7611 (lower_stmt): Do not handle COMPOUND_EXPR.
7612 Remove call to print_node_brief.
7613 * c-tree.h (c_finish_omp_clauses): New prototype.
7614 (C_DECL_THREADPRIVATE_P): Define.
7615 (lookup_name_no_remap, c_omp_remap_private): Remove
7616 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7617 (check_for_loop_decls): Update decl.
7618 (lookup_name_no_remap, c_omp_remap_private): Declare.
7619 (build_indirect_ref, build_modify_expr, pushdecl,
7620 pushdecl_top_level): Move to c-common.h.
7621 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7622 before the switch, but just in the 2 places that need it.
7623 * c-decl.c (diagnose_mismatched_decls): Do not check for
7624 mismatched thread-local attributes when OLDDECL is marked
7625 threadprivate and NEWDECL has no thread-local attributes.
7626 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7627 (c_gimple_diagnostics_recursively): Rename from
7628 c_warn_unused_result_recursively. Invoke
7629 diagnose_omp_structured_block_errors.
7630 (check_for_loop_decls): Return a singular decl found.
7631 * langhooks.c (lhd_omp_predetermined_sharing): Return
7632 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7633 (lhd_omp_firstprivatize_type_sizes): New.
7634 (lhd_omp_assignment): New.
7635 (lhd_omp_predetermined_sharing): New.
7636 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7637 (struct lang_hooks_for_types): Add
7638 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7639 omp_predetermined_sharing, omp_disregard_value_expr,
7640 omp_private_debug_clause, omp_clause_default_ctor,
7641 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7642 (c_finish_omp_clauses): New.
7643 (c_finish_bc_stmt): Diagnose break within omp for.
7644 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7645 (build_unary_op): Return error_mark after reporting
7647 (build_modify_expr): Likewise.
7648 * gimplify.c: Include optabs.h and pointer-set.h.
7649 (enum gimplify_omp_var_data): Declare.
7650 (struct gimplify_omp_ctx): Declare.
7651 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7653 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7654 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7655 (splay_tree_compare_decl_uid): New.
7656 (new_omp_context): New.
7657 (delete_omp_context): New.
7658 (gimple_add_tmp_var): Call omp_add_variable.
7659 (gimplify_bind_expr): Likewise.
7660 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7661 true, disregard DECL_VALUE_EXPR on the decl if any.
7662 (gimplify_expr_in_ctx): New.
7663 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7664 omp_add_variable, omp_notice_variable, omp_is_private
7665 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7666 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7667 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7668 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7669 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7670 gimplify_omp_atomic): New.
7671 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7672 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7673 OMP_CRITICAL and OMP_ATOMIC.
7674 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7675 * c-pragma.h (enum pragma_kind): Add
7676 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7677 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7678 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7679 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7680 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7681 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7682 PRAGMA_OMP_THREADPRIVATE.
7683 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7684 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7685 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7686 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7687 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7688 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7689 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7690 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7691 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7692 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7693 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7694 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7695 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7697 (struct nesting_info): Add field_map,
7698 suppress_expansion, debug_var_chain.
7699 (create_nesting_tree): Initialize them.
7700 (lookup_field_for_decl): Use field_map.
7701 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7702 (convert_local_omp_clauses): New.
7703 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7704 (walk_body): Split out of walk_function.
7705 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7706 (convert_nonlocal_reference): Handle omp statements.
7707 (convert_local_reference): Likewise.
7708 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7709 (unnest_nesting_tree): New.
7710 (lower_nested_functions): Call it.
7711 (insert_field_into_struct): Make extern.
7712 (struct walk_stmt_info): Move to tree-gimple.h.
7713 (walk_stmts): Make extern.
7714 * omp-builtins.def: New file.
7715 * tree-iterator.c (expr_only): Clarify comment.
7716 * c-common.h (pushdecl_top_level, pushdecl,
7717 build_modify_expr, build_indirect_ref,
7718 c_finish_omp_master, c_finish_omp_critical,
7719 c_finish_omp_ordered, c_finish_omp_barrier,
7720 c_finish_omp_atomic, c_finish_omp_flush,
7721 c_finish_omp_for, c_split_parallel_clauses,
7722 omp_clause_default_kind, c_omp_sharing_predetermined,
7723 c_omp_remap_decl): Declare.
7724 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7725 (OBJS-common): Add omp-low.o.
7726 (c-omp.o, omp-low.o): Add.
7727 (gimplify.o): Add dependency on $(OPTABS_H).
7728 (GTFILES): Add omp-low.c.
7729 (gt-stringpool.h): Add.
7730 * tree-cfg.c (set_bb_for_stmt): Do not update the
7731 block-to-labels map if we are currently expanding to RTL.
7732 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7734 Handle IDENTIFIER_NODE.
7735 (tree_verify_flow_info): Do not ICE when emitting error
7736 messages about invalid labels.
7737 (dump_function_to_file): Reset CFUN before emitting the body
7739 (debug_function): New.
7740 * passes.c (init_optimization_passes): Schedule
7742 * langhooks-def.h (lhd_omp_predetermined_sharing,
7743 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7745 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7746 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7747 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7748 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7749 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7750 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7751 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7752 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7753 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7754 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7755 (LANG_HOOK_DECLS): Use them.
7757 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7758 Richard Henderson <rth@redhat.com>
7759 Jakub Jelinek <jakub@redhat.com>
7760 Diego Novillo <dnovillo@redhat.com>
7762 * c-parser.c (pragma_omp_clause): Define.
7763 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7764 (c_parser_compound_statement): Likewise.
7765 (c_parser_statement): Likewise.
7766 (c_parser_pragma): Handle omp pragmas.
7767 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7768 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7769 (c_parser_omp_clause_name, check_no_duplicate_clause,
7770 c_parser_omp_variable_list,
7771 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7772 c_parser_omp_clause_copyprivate,
7773 c_parser_omp_clause_default,
7774 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7775 c_parser_omp_clause_lastprivate,
7776 c_parser_omp_clause_nowait,
7777 c_parser_omp_clause_num_threads,
7778 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7779 c_parser_omp_clause_reduction,
7780 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7781 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7782 c_parser_omp_atomic, c_parser_omp_barrier,
7783 c_parser_omp_critical, c_parser_omp_flush,
7784 c_parser_omp_for_loop, c_parser_omp_for,
7785 c_parser_omp_master, c_parser_omp_ordered,
7786 c_parser_omp_sections_scope, c_parser_omp_sections,
7787 c_parser_omp_parallel, c_parser_omp_single,
7788 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7789 * c-pragma.c (init_pragma): Do omp pragma registration here.
7790 * c.opt (fopenmp): New flag.
7792 2006-01-18 Eric Christopher <echristo@apple.com>
7794 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7795 * config/darwin.h (GOMP_SELF_SPECS): Define.
7797 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7799 * rtl.h: Remove the prototype for reg_alloc.
7801 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7804 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7805 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7806 sjlj and dwarf2 exception handling.
7807 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7808 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7809 * pa/pa.c (function_value): Treat complex and vector types as
7811 (function_arg): Likewise. Only pass scalar floats in the floating
7812 point argument registers.
7813 * pa/t-slibgcc-dwarf-ver: New file.
7814 * pa/t-slibgcc-sjlj-ver: New file.
7815 * pa/t-slibgcc-elf-ver: Delete file.
7817 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7819 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7820 unlikely_test_section_p test.
7822 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7824 * mode-switching.c (optimize_mode_switching): Make it static.
7825 * basic-block.h: Remove the prototype for
7826 optimize_mode_switching.
7828 * modulo-sched.c (sms_schedule): Make it static.
7829 * rtl.h: Remove the prototype for sms_schedule.
7831 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7832 * rtl.h: Remove the prototype for gcse_after_reload_main.
7834 * reg-stack.c (reg_to_stack): Make it static.
7835 * rtl.h: Remove the prototype for reg_to_stack.
7837 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7839 * rtl.h: Remove the prototypes for regrename_optimize and
7840 copyprop_hardreg_forward.
7842 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7844 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7845 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7846 Test against the appropriate null constant for the mode.
7847 If 'fixup_overlap' is true, swap the operands if they overlap.
7848 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7849 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7850 alpha_split_tmode_pair and adjust for above change.
7851 * config/alpha/alpha.md (movtf_internal): Adjust call to
7852 alpha_split_tfmode_pair and rely on it to swap the operands.
7853 (movti_internal): New insn and post-reload splitter.
7854 (movti): New expander.
7856 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7858 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7861 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7863 * rtlanal.c (global_reg_mentioned_p_1,
7864 global_reg_mentioned_p): Remove.
7865 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7867 * flow.c (initialize_uninitialized_subregs): Make it static.
7868 * rtl.h: Remove the prototype for
7869 initialize_uninitialized_subregs.
7871 * function.c (instantiate_virtual_regs): Make it static.
7872 * function.h: Remove the prototype for
7873 instantiate_virtual_regs.
7875 * regmove.c (regmove_optimize, combine_stack_adjustments):
7877 * rtl.h: Remove the prototypes for regmove_optimize and
7878 combine_stack_adjustments.
7880 2006-01-17 Roger Sayle <roger@eyesopen.com>
7882 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7883 (size_cost): Encode costs in bytes so that a reg-reg addition is
7884 equivalent to COSTS_N_INSNS(1).
7885 (override_options): Use the size_cost.branch_cost as the default
7886 ix86_branch_cost when optimizing for size.
7888 2006-01-18 Ben Elliston <bje@au.ibm.com>
7890 * Makefile.in (D32PBIT_FUNCS): New.
7891 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7892 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7893 D64PBIT_FUNCS and D128PBIT_FUNCS.
7894 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7895 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7897 (decnumber_dep): Define.
7898 * doc/libgcc.texi (Decimal float library routines): New node.
7899 * config/dfp-bit.h, config/dfp-bit.c: New files.
7901 2006-01-18 Ben Elliston <bje@au.ibm.com>
7903 * expr.c (emit_move_change_mode): Always adjust addresses, not
7904 just during reload. Copy replacements only during reload.
7905 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7906 emit_move_via_integer.
7908 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7910 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7911 instead of $(srcdir) and ${srcdir}.
7913 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7917 * arm.h (struct machine_function): Add pic_reg.
7918 * arm.c (arm_pic_register): Make unsigned.
7919 (arm_override_options): Only set arm_pic_register if
7920 TARGET_SINGLE_PIC_BASE.
7921 (use_return_insn): Only test for a pic register if it is fixed.
7922 (arm_compute_save_reg0_reg12_mask): Likewise.
7923 (thumb_compute_save_reg_mask): Likewise.
7924 (legitimate_pic_operand): Factor out some known invariants.
7925 (legitimize_pic_address): If we don't have a fixed pic register,
7926 then set up a pseudo in the function entry sequence. Handle the
7927 pic base being in a pseudo.
7928 (arm_load_pic_register): Handle the pic register being in a pseudo.
7929 (arm_expand_prologue): Only set up the pic register if it is fixed.
7930 (thumb_expand_prologue): Likewise.
7931 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7932 (pic_load_addr_based_insn): Likewise.
7933 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7936 2006-01-18 Ben Elliston <bje@au.ibm.com>
7938 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7939 decimal float modes for all floating point registers.
7941 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7942 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7944 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7947 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7948 even when the pointer is not NULL.
7950 2006-01-16 Ian Lance Taylor <ian@airs.com>
7952 * common.opt (ftoplevel-reorder): New option.
7953 * cgraph.c (cgraph_asm_nodes): New global variable.
7954 (cgraph_asm_last_node): New static variable.
7955 (cgraph_order): New global variable.
7956 (cgraph_create_node): Set new order field.
7957 (cgraph_varpool_node): Likewise.
7958 (decide_is_variable_needed): Return true if not
7959 flag_toplevel_reorder.
7960 (cgraph_add_asm_node): New function.
7961 * cgraph.h (struct cgraph_node): Add order field.
7962 (struct cgraph_varpool_node): Add order field.
7963 (struct cgraph_asm_node): Define.
7964 (cgraph_asm_nodes, cgraph_order): Declare.
7965 (cgraph_add_asm_node): Declare.
7966 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7968 (cgraph_varpool_assemble_pending_decls): Call it.
7969 (cgraph_output_pending_asms): New static function.
7970 (cgraph_finalize_compilation_unit): Call it.
7971 (struct cgraph_order_sort): Define.
7972 (cgraph_output_in_order): New static function.
7973 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7974 !flag_toplevel_reorder case.
7975 * c-parser.c: Include "cgraph.h".
7976 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7978 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7979 than -fno-unit-at-a-time.
7980 * doc/invoke.texi (Option Summary): Mention
7981 -fno-toplevel-reorder.
7982 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7983 -funit-at-a-time documentation.
7985 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7986 Kazu Hirata <kazu@codesourcery.com>
7988 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7990 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7992 * Makefile.in (FUNCTION_H): New. Use it instead of
7993 function.h throughout the file.
7994 * function.h: Include tree.h.
7996 2006-01-17 Ben Elliston <bje@au.ibm.com>
7998 * recog.c: Separate some functions with whitespace.
8000 2006-01-16 Richard Henderson <rth@redhat.com>
8002 Merge from gomp branch:
8003 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8004 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8005 and rename from struct inline_data. Rename callee* to dst*;
8006 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8007 transform_new_cfg, transform_return_to_modify, and
8008 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8010 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8011 (copy_decl_for_dup): Remove.
8012 * tree-inline.c (struct inline_data): Move to header.
8013 (insert_decl_map): Export.
8014 (remap_decl): Update for member name changes. Use copy_decl hook.
8015 Allow for replacement to be a non-decl. Remove dead code.
8016 (remap_type_1): Check for existing mapping.
8017 (remap_type): Export.
8018 (remap_decls): Update for member name changes.
8019 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8020 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8021 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8022 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8023 (tree_function_versioning, build_duplicate_type): Likewise.
8024 (copy_body_r): Likewise. Export.
8025 (copy_decl_for_dup): Split into ...
8026 (copy_decl_for_dup_finish, copy_decl_to_var,
8027 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8028 (replace_ref_tree, inlining_p): Remove.
8030 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8032 * ifcvt.c (if_convert): Make it static.
8033 * rtl.h: Remove the prototype for if_convert.
8035 * local-alloc.c (local_alloc): Make it static.
8036 * rtl.h: Remove the prototype for local_alloc.
8038 * loop.c (loop_optimize): Make it static.
8039 * cfgloop.h: Remove the prototype for loop_optimize.
8042 2006-01-16 DJ Delorie <dj@redhat.com>
8044 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8047 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8049 * pa.md: Disparage copies between general and floating-point registers
8050 in 32-bit move patterns.
8052 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8055 * Makefile.in (check-%): Depend on site.exp instead of
8056 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8059 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8061 * global.c (global_alloc): Make it static.
8062 * rtl.h: Remove the prototype for global_alloc.
8064 2006-01-16 Richard Guenther <rguenther@suse.de>
8066 * tree-ssa-alias.c (struct used_part): Add write_only field.
8067 (get_or_create_used_part_for): Initialize it to true.
8068 (create_overlap_variables_for): Don't create structure variables
8069 for structures that only are written to.
8070 (find_used_portions): Handle MODIFY_EXPR to track whether a
8071 structure is only written to.
8073 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8075 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8077 * basic-block.h: Remove the prototype for
8078 partition_hot_cold_basic_blocks.
8080 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8082 * cppspec.c (lang_specific_spec_functions): Remove.
8083 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8084 * gcc.h (lang_specific_spec_functions): Remove.
8085 * gccspec.c (lang_specific_spec_functions): Remove.
8087 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8089 * combine.c (record_value_for_reg): Invalidate registers
8091 (record_dead_and_set_regs_1): Likewise, by passing them to
8092 record_value_for_reg.
8093 (record_dead_and_set_regs): Invalidate stores made by a
8094 call. We do not combine across a call, but we still
8095 relied on equivalences.
8097 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8099 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8100 vrp_int_const_binop returning non-constant nodes.
8102 2006-01-16 Paul Brook <paul@codesourcery.com>
8104 * config/m68k/m68k.c (output_move_const_into_data_reg):
8105 Output correct mnemonic for mvz and mvs.
8107 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8109 * rtl-factoring.c: Add sequence abstraction algorithm.
8110 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8111 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8113 (block_has_preserve_label): New function.
8114 * common.opt: Register new pass.
8115 * Makefile.in: Ditto.
8117 * timevar.def: Ditto.
8118 * tree-pass.h: Ditto.
8119 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8120 * rtl.h (make_jump_insn_raw): Add forward decl.
8121 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8123 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8124 Roger Sayle <roger@eyesopen.com>
8126 * fold-const.c (fold_minmax): New static function.
8127 (fold_binary) <MIN_EXPR>: Call it.
8128 <MAX_EXPR>: Likewise.
8129 * stor-layout.c (place_field): Use DECL_SIZE consistently
8130 in the computation of the new record size.
8132 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8134 * cse.c (cse_condition_code_reg): Make it static.
8135 * rtl.h: Remove the prototype for cse_condition_code_reg.
8137 * combine.c (combine_instructions): Make it static.
8138 * rtl.h: Remove the prototype for combine_instructions.
8140 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8143 * tree.c (get_file_function_name_long): Concatenate the first global
8144 object name with a string derived from the input filename of the object
8147 2006-01-16 Ben Elliston <bje@au.ibm.com>
8149 * config/i386/winnt-stubs.c: Update FSF address.
8150 * config/xtensa/ieee754-df.S: Ditto.
8151 * config/xtensa/ieee754-sf.S: Ditto.
8153 2006-01-14 Ian Lance Taylor <ian@airs.com>
8155 * ifcvt.c (noce_init_if_info): New static function, broken out of
8156 noce_process_if_block.
8157 (noce_process_if_block): Call noce_init_if_info.
8158 (check_cond_move_block): New static function.
8159 (cond_move_process_if_block): New static function.
8160 (process_if_block): Call cond_move_process_if_block.
8162 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8164 * cselib.c (hash_table): Rename to cselib_hash_table.
8165 (cselib_clear_table, discard_useless_values,
8166 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8167 cselib_init, cselib_finish): Adjust uses of hash_table.
8169 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8171 PR tree-optimization/25485
8172 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8173 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8174 is known to be false and true, respectively.
8176 2006-01-14 Richard Guenther <rguenther@suse.de>
8178 PR tree-optimization/22548
8179 PR tree-optimization/22555
8180 PR tree-optimization/22501
8181 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8182 * params.def (salias-max-array-elements): New parameter.
8183 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8184 * doc/invoke.texi (salias-max-array-elements): Document.
8185 * tree-flow-inline.h (var_can_have_subvars): We also handle
8187 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8189 * tree-ssa-structalias.c (params.h): Include.
8190 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8191 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8192 (get_constraint_for): For ADDR_EXPR operating on something
8193 containing an ARRAY_REF, add all subvars to the solution.
8194 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8195 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8196 for creating MUST_DEFs.
8197 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8199 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8201 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8203 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8204 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8205 number_of_iterations_le): New functions.
8206 (number_of_iterations_special): Removed.
8207 (number_of_iterations_exit): Do not use number_of_iterations_special.
8208 * tree.c (unsigned_type_for): Always return integer type.
8210 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8211 Richard Guenther <rguenther@suse.de>
8213 PR rtl-optimization/24257
8214 * gcse.c (find_moveable_store): Only consider a store movable
8215 when the SET_SRC of the insn can be assigned to a register.
8217 2006-01-14 Ian Lance Taylor <ian@airs.com>
8219 * tree.c (tree_not_class_check_failed): New function.
8220 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8221 (tree_not_class_check_failed): Declare.
8223 2006-01-13 Ian Lance Taylor <ian@airs.com>
8225 * reload1.c (do_output_reload): Add assertion rejecting a
8228 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8230 * combine.c (struct reg_stat): Add new fields truncation_label and
8232 (record_value_for_reg): Reset truncated_to_mode.
8233 (record_truncated_value): New function.
8234 (check_promoted_subreg): Call it. Rename to check_conversions.
8235 (combine_instructions): Rename check_promoted_subreg to
8237 (reg_truncated_to_mode): New function.
8238 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8239 (gen_lowpart_or_truncate): New function.
8240 (force_to_mode): Use it instead of gen_lowpart.
8242 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8244 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8245 VAR is a tag, not its type tag.
8247 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8249 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8250 alternatives to match style of other entries.
8251 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8253 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8255 PR tree-optimization/25771
8256 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8259 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8262 * tree-inline.c (declare_return_variable): If the return variable
8263 was marked as a non gimple complex, set the return slot variable
8264 to be a non gimple comple variable.
8266 2006-01-13 Richard Guenther <rguenther@suse.de>
8268 * builtins.c (expand_builtin_sincos): New function.
8269 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8271 (expand_builtin): Expand sincos using expand_builtin_sincos.
8273 2006-01-12 DJ Delorie <dj@redhat.com>
8275 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8276 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8277 so that constant shifts can be split.
8278 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8279 (m32c_valid_pointer_mode): Make static.
8280 (shift_gen_func_for): New.
8281 (m32c_prepare_shift): Use it. Split large const shifts into
8283 * config/m32c/predicates.md (shiftcount_operand): Allow more
8285 (longshiftcount_operand): New.
8286 * doc/md.texi (Machine Constraints): Document In6.
8288 2006-01-13 Ben Elliston <bje@au.ibm.com>
8290 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8291 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8294 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8296 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8297 to try to avoid clobbering pieces of structures when we know
8298 something about the whole structure.
8299 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8301 2006-01-13 Ben Elliston <bje@au.ibm.com>
8303 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8304 return in memory, as this is no limitation is no longer present.
8306 2006-01-12 DJ Delorie <dj@redhat.com>
8308 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8309 mova with fb, and for fb+0 -> An.
8311 * config/m32c/mov.md (peephole2): Fix enabling logic.
8313 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8314 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8315 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8316 FINI_ARRAY_SECTION_ASM_OP): Define.
8318 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8320 (m32c_legitimize_reload_address): New logic to reload FB to An.
8321 (m32c_output_reg_push): Add newline.
8322 (m32c_output_reg_pop): Likewise.
8324 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8326 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8328 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8330 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8332 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8334 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8337 2006-01-11 Ben Elliston <bje@au.ibm.com>
8339 * rtlanal.c (find_reg_note): Assert insn is not null.
8341 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8343 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8346 2006-01-11 Jeff Law <law@redhat.com>
8348 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8350 (mark_threaded_blocks, register_jump_thread): New functions.
8351 (thread_through_all_blocks): Remove unwanted argument. No
8352 longer rely on e->aux to communicate thread target info.
8353 Call mark_threaded_blocks. Release the threaded_blocks
8354 bitmap and threaded_edges vector when complete.
8355 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8356 (threaded_blocks): Remove.
8357 (tree_ssa_dominator_optimize): Remove initialization and
8358 finalization of threaded_blocks. Simplify call to
8359 thread_through_all_blocks.
8360 (thread_across_edge): Call register_jump_thread rather than
8361 storing thread information into e->aux.
8362 (free_all_edge_infos): Simplify now that e->aux is no longer
8363 used to communicate with thread_through_all_blocks.
8364 * tree-flow.h (thread_through_all_blocks): Update prototype.
8365 (register_jump_thread): Prototype.
8367 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8369 * df-core.c (df_compact_blocks, df_bb_replace): Use
8370 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8372 2006-01-11 Richard Guenther <rguenther@suse.de>
8374 PR tree-optimization/25734
8375 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8376 stop propagation after successful propagation to the LHS.
8378 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8380 * basic-block.h (control_flow_graph): Change the type of
8381 x_basic_block_info to VEC(basic_block,gc) *.
8382 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8384 (SET_BASIC_BLOCK): New.
8385 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8386 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8387 * cfgbuild.c (find_basic_blocks): Likewise.
8388 * cfglayout.c (fixup_reorder_chain): Likewise.
8389 * cfgrtl.c (create_basic_block_structure,
8390 rtl_create_basic_block): Likewise.
8391 * ifcvt.c (find_if_case_1): Likewise.
8392 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8395 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8397 * Makefile.in: Removed rotted odf.c entry.
8399 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8402 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8403 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8404 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8405 output pattern modifier, not %e.
8406 * config/cris/cris.c (cris_op_str): Update comment about pattern
8408 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8409 before falling through into...
8410 <case 'E'>: Redefined from old 'e' case.
8412 2006-01-11 Jan Hubicka <jh@suse.cz>
8415 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8417 2006-01-11 Jan Hubicka <jh@suse.cz>
8419 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8420 * i386.c (x86_decompose_lea): Kill.
8421 (ix86_rtx_costs): Kill.
8423 2006-01-11 Jan Hubicka <jh@suse.cz>
8425 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8426 * cgraph.h (cgraph_node): Add inline_decl.
8427 (cgraph_insert_node_to_hashtable): Declare.
8428 (save_inline_function_body): Declare.
8429 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8431 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8432 (cgraph_function_versioning): Update call of tree_function_versioning.
8433 (save_inline_function_body): New function.
8434 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8435 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8436 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8437 (cgraph_default_inline_p): Likewise.
8438 (cgraph_decide_inlining_incrementally): Likewise.
8439 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8440 (copy_bb): Kill saving; do updating of clones.
8441 (copy_cfg_body): Kill saving.
8442 (initialize_inlined-parameters): Likewise.
8443 (expand_call_inline): Likewise.
8445 (tree_function_versioning): New parameter "update_clones".
8446 (inlining_p): Kill saving.
8447 * tree-inline.h (tree_function_versioning): Update prototype.
8448 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8451 2006-01-11 Ian Lance Taylor <ian@airs.com>
8453 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8454 Allow undoing set of machine mode.
8455 (do_SUBST): Use enums instead of is_int.
8456 (do_SUBST_MODE): New function.
8457 (SUBST_MODE): New macro.
8458 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8459 reg and trying to replace reg_regno_rtx with a new register.
8460 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8461 (simplify_set): Use SUBST_MODE.
8462 (distribute_notes): Remove code that tried to update reg notes
8463 for regno_reg_rtx changes.
8465 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8467 PR tree-optimization/23109
8468 PR tree-optimization/23948
8469 PR tree-optimization/24123
8471 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8472 * tree-cfg.c (single_noncomplex_succ): New.
8473 * tree-flow.h (single_noncomplex_succ): Declare it.
8474 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8475 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8476 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8477 insert_bb, register_division_in, insert_reciprocals,
8478 replace_reciprocal, free_bb): New.
8479 (execute_cse_reciprocals_1): Rewritten.
8480 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8481 Do not commit any edge insertion. Always compute dominators and
8482 create the allocation pool.
8483 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8484 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8485 * targhooks.c (default_min_divistions_for_recip_mul): New.
8486 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8487 * passes.c (init_optimization_passes): Run recip after tree loop
8489 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8491 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8492 Kenneth Zadeck <zadeck@naturalbridge.com>
8494 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8495 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8496 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8497 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8498 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8499 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8500 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8501 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8502 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8503 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8504 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8505 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8506 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8507 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8508 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8509 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8510 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8511 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8512 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8513 DF_SCAN_POST_ALLOC): New macros.
8514 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8515 df_free_bb_function, df_local_compute_function, df_init_function,
8516 df_dataflow_function, df_confluence_function_0,
8517 df_confluence_function_n, df_transfer_function,
8518 df_finalizer_function, df_free_function, df_dump_problem_function,
8519 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8520 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8521 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8522 df_urec_bb_info, ) New types.
8523 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8525 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8526 df_analyze_simple_change_some_blocks,
8527 df_analyze_simple_change_one_block, df_compact_blocks,
8528 df_bb_replace, df_bb_regno_last_use_find,
8529 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8530 df_insn_regno_def_p, df_find_def, df_find_use,
8531 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8532 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8533 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8534 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8535 debug_df_chain, df_get_dependent_problem, df_chain_create,
8536 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8537 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8538 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8539 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8540 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8541 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8542 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8543 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8544 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8545 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8546 df_reorganize_refs, df_set_state, df_hard_reg_init,
8547 df_read_modify_subreg_p) New public functions.
8548 * df-core.c: The core dataflow solver and glue routines for rtl
8550 (df_init, df_add_problem, df_set_blocks, df_finish,
8551 df_hybrid_search_forward, df_hybrid_search_backward,
8552 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8553 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8554 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8555 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8556 df_reg_defined, df_find_use, df_reg_used, df_dump,
8557 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8558 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8559 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8560 debug_df_useno, reset_df_after_reload): New functions.
8561 * df-scan.c: The scanning fuctions, once in df.c, completely
8562 rewritten so that they now fully model the functionality of
8563 register usage at the backend.
8564 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8565 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8566 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8567 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8568 df_get_artificial_defs, df_get_artificial_uses,
8569 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8570 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8571 df_refs_delete, df_reorganize_refs, df_set_state,
8572 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8573 df_def_record_1, df_defs_record, df_uses_record,
8574 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8575 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8576 df_record_exit_block_uses, df_hard_reg_init): New functions.
8578 * df-problems.c: Seven concrete dataflow problems that use the
8579 scanning in df-scan.c and are solved by the engine in df-core.c.
8580 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8581 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8582 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8583 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8584 df_ru_free_bb_info, df_ru_alloc,
8585 df_ru_bb_local_compute_process_def,
8586 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8587 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8588 df_ru_transfer_function, df_ru_free, df_ru_dump,
8589 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8590 df_rd_free_bb_info, df_rd_alloc,
8591 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8592 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8593 df_rd_transfer_function, df_rd_free, df_rd_dump,
8594 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8595 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8596 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8597 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8598 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8599 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8600 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8601 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8602 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8603 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8604 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8605 df_urec_mark_reg_use_for_earlyclobber,
8606 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8607 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8608 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8609 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8610 df_chain_create_bb_process_use, df_chain_create_bb,
8611 df_chain_finalize, df_chain_free, df_chains_dump,
8612 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8613 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8614 df_reg_lifetime): New functions.
8615 * df.c: Deleted file.
8616 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8617 consistent with new df api.
8618 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8619 rest_of_handle_sms): Ditto.
8620 * web.c (unionfind_union, union_defs, entry_register, web_main):
8622 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8623 invariant_expr_equal_p, find_defs, check_dependencies,
8624 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8625 free_inv_motion_data, move_loop_invariants): Ditto.
8626 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8627 Update dependencies.
8628 (odf.c): Added defective entry that was deleted later in day.
8629 * sched-deps.c (sched_analyze_1): Ditto.
8631 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8633 * tree-ssa-operands.c (get_expr_operands): Record addressable
8634 variables directly. Do not call add_stmt_operands for CONST_DECLs
8636 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8637 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8639 2006-01-11 Ben Elliston <bje@au.ibm.com>
8641 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8642 function returns true in the positive case.
8644 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8647 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8648 for SI, DI, SF and DF modes. Add alternatives to copy between
8649 general and floating point registers to the 32-bit patterns.
8650 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8651 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8652 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8653 generating 64-bit code.
8654 * config/pa/pa.c (output_move_double): Handle copies between general
8655 and floating registers.
8657 2006-01-10 Stuart Hastings <stuart@apple.com>
8659 * config/i386/i386.md (set_got): Update.
8660 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8661 (builtin_setjmp_receiver): Mach-O support.
8662 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8663 (GOT_SYMBOL_NAME): Define.
8664 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8665 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8666 * config/i386/i386.c (override_options): Revise for Darwin.
8667 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8668 support. (darwin_x86_file_end): New. (output_set_got): Add label
8669 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8670 * config/i386/i386-protos.h (output_set_got): Likewise.
8671 * config/darwin.c (machopic_legitimize_pic_address): Update
8674 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8676 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8677 when MODE isn't BLKmode.
8679 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8681 PR rtl-optimization/25367
8682 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8684 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8687 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8688 for a negative bound.
8690 2006-01-10 Richard Guenther <rguenther@suse.de>
8692 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8693 Never override with anything constraint.
8695 2006-01-10 Jan Beulich <jbeulich@novell.com>
8697 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8698 256 bits when optimize_size.
8700 2006-01-10 Jan Beulich <jbeulich@novell.com>
8702 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8704 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8705 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8708 2006-01-10 Ben Elliston <bje@au.ibm.com>
8710 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8712 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8713 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8714 (USE_FP_FOR_ARG): Reject decimal float modes.
8715 (function_arg_advance): Likewise.
8716 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8717 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8718 point types in AltiVec vectors.
8719 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8720 (rs6000_libcall_value): Likewise.
8722 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8724 * config/xtensa/ieee754-df.S: New file.
8725 * config/xtensa/ieee754-sf.S: New file.
8726 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8727 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8728 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8730 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8732 * config/sh/predicates.md (binary_float_operator,
8733 binary_logical_operator, commutative_float_operator,
8734 equality_comparison_operator, greater_comparison_operator,
8735 less_comparison_operator, logical_operator,
8736 noncommutative_float_operator, shift_operator,
8737 symbol_ref_operand, unary_float_operator): Remove redundant
8740 2006-01-09 Jeff Law <law@redhat.com>
8742 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8743 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8744 now unused arguments. Callers updated.
8745 (eliminate_redundant_computations): Remove now unused arguments,
8747 (local_fold): Remove, no longer used.
8748 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8750 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8751 (simplify_cond): New function.
8752 (forward_propagate_into_cond): Call simplify_cond.
8754 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8756 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8757 (*vec_extractv2di_1_sse): New.
8759 2006-01-09 Ben Elliston <bje@au.ibm.com>
8761 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8763 2006-01-08 Richard Guenther <rguenther@suse.de>
8765 * tree-ssa-structalias.c (get_constraint_for): Remove
8767 (get_constraint_for_component_ref): Likewise.
8768 (do_deref): Likewise.
8769 (get_constraint_for): Likewise.
8770 (do_structure_copy): Likewise.
8771 (handle_ptr_arith): Likewise.
8772 (find_func_aliases): Likewise. Remove unused need_anyoffset
8775 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8776 Kaz Kojima <kkojima@gcc.gnu.org>
8778 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8779 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8780 (EXTRA_CONSTRAINT_C16): Remove.
8781 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8782 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8783 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8784 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8785 constants of SHmedia. Handle nested constant expressions of
8787 (andcosts): Fix the costs for SHmedia constants.
8788 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8789 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8790 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8791 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8792 (movv4hi_i, movv2si_i): Likewise.
8793 (movsi_const): Adjust the second operand of ior so to match with
8795 (movdi_const, movdi_const_32bit): Likewise.
8796 (movdi_const_16bit+1): Don't sign-extend LOW.
8797 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8799 (*double_shori): Fix the split condition. Use GEN_INT instead
8800 of get_int_mode calls. Mask lower 16-bit of the argument of
8802 (sym2GOTPLT): Remove.
8803 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8805 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8806 instead of EXTRA_CONSTRAINT_C16.
8808 2006-01-07 Ian Lance Taylor <ian@airs.com>
8809 David Edelsohn <edelsohn@gnu.org>
8811 PR rtl-optimization/25662
8812 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8813 for constant operands instead of simplify_gen_binary.
8814 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8815 after trying simplify_binary_operation
8817 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8819 * tree.c (iterative_hash_expr): Hash decls based on UID.
8821 2006-01-06 Eric Christopher <echristo@apple.com>
8823 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8824 (TARGET_UNWIND_EMIT): Fix spelling.
8825 * target.h (gcc_target): Add except_table_label.
8826 * except.c (output_function_exception_table): Use.
8827 * varasm.c (default_emit_except_table_label): New.
8828 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8830 (asm_out): Add here.
8831 * output.h (default_emit_except_table_label): Prototype.
8832 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8833 * config/darwin.c (darwin_emit_except_table_label): Define.
8834 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8836 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8838 PR tree-optimization/18527
8839 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8840 number_of_iterations_special, number_of_iterations_exit):
8841 Move base and step of an iv to a single structure. Add
8842 no_overflow flag, and use it in # of iterations analysis.
8843 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8844 folded_casts argument.
8845 (simple_iv): Pass base and step in a structure. Set no_overflow
8847 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8848 Evaluate expensiveness of computing # of iterations instead of
8849 the final expression.
8850 * tree-scalar-evolution.h (affine_iv): New structure.
8851 (simple_iv): Declaration changed.
8852 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8853 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8854 find_givs_in_stmt): Changed due to simple_iv change.
8856 2006-01-06 Jeff Law <law@redhat.com>
8859 * tree-cfg.c (bsi_replace): Rename final argument from
8860 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8861 change (stmt -> orig_stmt).
8862 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8863 (bsi_remove): Add new argument. Remove EH information
8865 (verify_eh_throw_table_statements): New function.
8866 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8868 * tree-optimize.c (execute_free_cfg_annotations): Verify
8869 the EH throw statement table after removing annotations.
8870 * except.h (verify_eh_throw_table_statements): Prototype.
8871 * tree-flow.h (bsi_remove): Update prototype.
8872 * tree-vrp.c (remove_range_assertions): Add new argument to
8874 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8875 * tree-complex.c (expand_complex_div_wide): Likewise.
8876 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8877 * tree-tailcall.c (eliminate_tailcall): Likewise.
8878 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8879 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8880 * tree-nrv.c (tree_nrv): Likewise.
8881 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8882 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8883 (combine_blocks): Likewise.
8884 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8885 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8886 (cleanup_control_flow): Likewise.
8887 (remove_forwarder_block): Likewise.
8888 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8889 * tree-sra.c (sra_replace): Likewise.
8890 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8891 (forward_propagate_single_use_vars): Likewise.
8892 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8893 * tree-inline.c (expand_call_inline): Likewise.
8894 * tree-vect-transform.c (vect_transform_loop): Likewise.
8895 * tree-outof-ssa.c (rewrite_trees): Likewise.
8896 * tree-cfg.c (make_goto_expr_edges): Likewise.
8897 (cleanup_dead_labels): Likewise.
8898 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8899 (bsi_move_before, bsi_move_after): Likewise.
8900 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8901 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8903 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8906 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8908 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8909 on non gimple variables. Also add checks at the top for decls and
8911 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8913 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8914 and IMAGPART_EXPR for creating MUST_DEFs.
8915 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8916 and NAME_MEMORY_TAG separately from the DECLs.
8918 2006-01-06 Richard Guenther <rguenther@suse.de>
8920 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8921 annotation, if necessary.
8922 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8923 redundant calls to update_stmt.
8924 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8927 2006-01-05 Richard Henderson <rth@redhat.com>
8929 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8931 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8933 * c-typeck.c: Update copyright date.
8935 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8937 * c-typeck.c (build_c_cast): Always warn when casting
8938 from a pointer to an integer of different size, even if
8939 the node was constant.
8941 2006-01-05 Richard Guenther <rguenther@suse.de>
8943 PR tree-optimization/22555
8944 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8945 if one structure field is an array.
8946 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8947 operands even if we found a subvar, but ignore VOPs in this
8949 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8951 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8953 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8956 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8958 2006-01-05 Richard Guenther <rguenther@suse.de>
8959 Diego Novillo <dnovillo@redhat.com>
8961 * tree-pass.h (TODO_remove_unused_locals): Define.
8962 * gimple-low.c (expand_var_p, remove_useless_vars,
8963 pass_remove_useless_vars): Remove. Update all users.
8964 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8965 (remove_unused_locals): New function.
8966 * tree-flow.h (remove_unused_locals): Declare.
8967 * passes.c (execute_todo): Call remove_unused_locals if
8968 TODO_remove_unused_locals is set.
8969 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8970 * tree-ssa-dce.c (pass_dce): Likewise.
8971 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8973 2006-01-05 Richard Guenther <rguenther@suse.de>
8975 * tree-flow.h (struct fieldoff): Decompose field to
8976 type, size and decl.
8977 * tree-ssa-alias.c (create_sft): Take type as parameter.
8978 (create_overlap_variables_for): Store type, size and decl
8979 in the fieldoff structure.
8980 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8982 (push_fields_onto_fieldstack): Likewise.
8983 (create_variable_info_for): Likewise. Use offset for the
8984 SFT name if the decl is not available.
8986 2006-01-04 Paul Brook <paul@codesourcery.com>
8988 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8990 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8992 * lambda-code.c (can_put_in_inner_loop): Relax
8994 (can_put_after_inner_loop): New function.
8995 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8996 (perfect_nestify): Change to make copies and modify uses.
8998 2006-01-04 Richard Henderson <rth@redhat.com>
9000 Merge from gomp branch:
9001 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9002 via integer constant.
9003 (pragma_lex): Remove.
9004 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9005 rather than parsing it.
9006 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9007 handle_pragma_extern_prefix): Add %< %> quotes.
9008 (registered_pragmas): New.
9009 (c_register_pragma_1): New.
9010 (c_register_pragma): Use it.
9011 (c_register_pragma_with_expansion): Likewise.
9012 (c_invoke_pragma_handler): New.
9013 (init_pragma): Use cpp_register_deferred_pragma directly for
9015 * c-pragma.h (enum pragma_kind): New.
9016 (pragma_handler): New.
9017 (c_invoke_pragma_handler): Declare.
9018 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9020 * c-common.h (c_common_pch_pragma): Update decl.
9021 * Makefile.in (c-parser.o): Update dependencies.
9022 (GTFILES): Add c-pragma.h.
9023 * c-parser.c (struct c_token): Add pragma_kind.
9024 (struct c_parser): Add in_pragma.
9025 (c_lex_one_token): Always initialize keyword and pragma_kind.
9026 Extract data for CPP_PRAGMA.
9027 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9028 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9029 Don't allow CPP_PRAGMA_EOL if in_pragma.
9030 (c_parser_consume_pragma): New.
9031 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9032 (c_parser_skip_to_end_of_parameter): Likewise.
9033 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9034 (c_parser_skip_to_pragma_eol): New.
9035 (c_parser_external_declaration): Handle CPP_PRAGMA.
9036 (c_parser_compound_statement_nostart): Likewise.
9037 (c_parser_statement_after_labels): Likewise.
9038 (c_parser_pragma): New.
9039 (pragma_lex): Likewise.
9040 (c_parser_pragma_pch_preprocess): New.
9041 (c_parser_new): Merge into ...
9042 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9044 2006-01-04 Jeff Law <law@redhat.com>
9047 * tree-cfg.c (bsi_replace): Remove the original statement
9048 from the EH throw statement table.
9050 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9052 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9053 make the prototype extern "C" and add throw ().
9056 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9057 and pos non-negative and pos + len <= 32.
9058 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9059 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9060 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9063 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9064 as well as sizes not multiple of component size.
9067 * function.c (instantiate_expr): New function.
9068 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9069 walk its DECL_VALUE_EXPR with instantiate_expr.
9071 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9072 DW_OP_deref{,_size} if address isn't going to be added.
9074 2006-01-04 Ben Elliston <bje@au.ibm.com>
9076 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9077 * config/fp-bit.c: Likewise.
9079 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9081 * dominance.c: Add comment about why we use DFS numbering
9084 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9085 Richard Henderson <rth@redhat.com>
9087 Merge from gomp-branch:
9088 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9089 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9091 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9093 PR rtl-optimization/25578
9094 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9095 pass a parameter to simplify_shift_const if changing ASHIFTRT
9098 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9100 * builtins.c (get_builtin_sync_mem): New function.
9101 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9102 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9103 Call get_builtin_sync_mem to generate mem rtx.
9105 2006-01-03 Richard Guenther <rguenther@suse.de>
9108 * stmt.c (add_case_node): Make sure to clear overflow flags
9111 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9113 Merge from gomp-branch.
9114 * config/sparc/sync.md: New file.
9115 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9116 UNSPECV_LDSTUB): New constants.
9117 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9118 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9119 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9122 2006-01-03 Roger Sayle <roger@eyesopen.com>
9124 * combine.c (reg_subword_p): New predicate to test whether the
9125 destination of a set refers to a subword/piece of a register.
9126 (try_combine): Generalize the code to merge the setting of a
9127 pseudo to a constant followed by a set of a subword of that
9128 register to a constant.
9130 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9132 * basic-block.h (control_flow_graph): Change the type of
9133 x_label_to_block_map to VEC(basic_block,gc) *.
9134 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9135 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9137 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9138 VEC(basic_block,heap) *.
9139 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9140 ssa_prop_fini): Adjust the uses of cfg_blocks.
9142 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9144 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9146 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9147 hashing trees instead of a pointer hash.
9148 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9149 compare for MEM_EXPR.
9151 PR rtl-optimization/25130
9152 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9153 when comparing MEMs for GCSE
9155 2006-01-03 Ben Elliston <bje@au.ibm.com>
9157 * targhooks.h (default_decimal_float_supported_p): Declare.
9158 * targhooks.c (default_decimal_float_supported_p): Define.
9159 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9160 `default_decimal_float_supported_p'.
9161 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9163 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9165 * combine.c (apply_distributive_law <SUBREG>): Check
9166 TRULY_NOOP_TRUNCATION.
9168 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9170 * dwarf2out.c (have_switched_text_section): Delete.
9171 (have_multiple_function_sections): New.
9172 (have_location_lists): Make 'bool'.
9173 (add_AT_loc_list): Use 'true' not '1'.
9174 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9175 (output_loc_list): Use have_multiple_function_sections.
9176 (output_ranges): Likewise.
9177 (dwarf2out_begin_function): Set have_multiple_function_sections if
9179 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9180 Check function_section rather than DECL_SECTION_NAME.
9181 (dwarf2out_finish): Use have_multiple_function_sections.
9182 Don't clear have_location_lists.
9184 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9185 Jan Hubicka <jh@suse.cz>
9187 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9188 case of conditional jump jumping to the next instruction.
9189 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9190 cases of conditional jump jumping to the next instruction.
9192 2006-01-02 Jan Hubicka <jh@suse.cz>
9194 * i386.c (*_cost): Add COSTS_N_INSNS.
9195 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9197 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9200 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9202 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9204 * config/arm/arm.c (all_fpus): Fix comment typo.
9205 * config/darwin.c: Likewise.
9206 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9207 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9208 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9210 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9212 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9213 (rs6000_split_compare_and_swapqhi): New.
9214 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9215 (sync_compare_and_swapqhi_internal): New.
9216 * config/rs6000/rs6000-protos.h: Declare.
OSDN Git Service
