1 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5 templates for case 3 and 4.
7 2006-05-01 DJ Delorie <dj@redhat.com>
9 * vec.c: Include bconfig.h when appropriate.
10 * Makefile.in (build/vec.o): Adjust dependencies.
11 * mkconfig.sh: Make sure config.h isn't used for build machine
14 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
16 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
18 (mark_phi_for_rewrite): New function.
19 (insert_phi_nodes_for, mark_use_interesting): Call
21 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
22 (update_ssa): Initialize and free phis_to_rewrite.
24 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
26 PR rtl-optimization/27291
27 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
30 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
32 PR tree-optimization/27283
33 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
34 not whole # of iteration descriptions.
35 (niter_for_exit): Return just # of iterations. Fail if # of iterations
36 uses abnormal ssa name.
37 (niter_for_single_dom_exit): Ditto.
38 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
39 return just the number of iterations.
41 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
43 PR tree-optimization/27144
44 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
45 (record_estimate): Only record constant upper bound.
46 (infer_loop_bounds_from_undefined): Call
47 compute_estimated_nb_iterations just once.
48 (proved_non_wrapping_p): Renamed to ...
49 (n_of_executions_at_most): ... this. Expect bound to be a constant.
50 (convert_step_widening, scev_probably_wraps_p): Call
51 n_of_executions_at_most instead of proved_non_wrapping_p.
52 (substitute_in_loop_info): Do not replace values in bounds.
53 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
56 2006-05-01 Richard Henderson <rth@redhat.com>
59 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
60 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
63 2006-05-01 Roger Sayle <roger@eyesopen.com>
65 * c-typeck.c (parser_build_binary_op): Don't call the function
66 unsigned_conversion_warning to spot operand/result type overflow.
67 (build_binary_op): Instead, call convert_and_check instead of
68 convert to report the problem when the operands are promoted.
69 * c-common.c (unsigned_conversion_warning): Make static.
70 * c-common.h (unsigned_conversion_warning): Delete prototype.
72 2006-05-01 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/26726
75 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
77 (find_interesting_uses_address): ... we work around here
78 by folding INDIRECT_REFs in the substituted base.
80 2006-05-01 Diego Novillo <dnovillo@redhat.com>
82 * omp-low.c (dump_omp_region): Add newlines.
84 2006-04-30 Roger Sayle <roger@eyesopen.com>
86 * common.opt (Woverflow): New command line option.
87 * c-common.c (constant_expression_warning): Check warn_overflow.
88 (overflow_waring): Pass OPT_Woverflow to warning.
89 (unsigned_conversion_warning): Likewise.
90 (convert_and_check): Likewise.
91 * doc/invoke.texi: Document new command line option.
93 2006-04-30 David Edelsohn <edelsohn@gnu.org>
95 * config/rs6000/rs6000.c (rs6000_override_options): Enable
96 TARGET_NO_FP_IN_TOC for section anchors.
97 (optimization_options): Enable section anchors for all
98 non-"Objective" languages.
100 2006-04-28 Eric Christopher <echristo@apple.com>
102 * config/darwin-c.c (darwin_ms_struct): Move this
103 (darwin_set_default_type_attributes): and this...
104 * config/darwin.c: ... here.
105 * config/darwin.h (darwin_ms_struct): Declare.
107 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
109 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
111 2006-04-28 Roger Sayle <roger@eyesopen.com>
114 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
115 (push_array_bounds): Delete prototype. Change BOUNDS argument to
116 an unsigned HOST_WIDE_INT.
117 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
119 (really_start_incremental_init): No need to call convert because
120 bitsize_zero_node is already of type bitsizetype.
121 (push_init_level): Extract the value of constructor_index as an
122 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
123 (process_init_element): Likewise.
125 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
127 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
128 value before passing to make_relative_prefix.
130 2006-04-28 Alan Modra <amodra@bigpond.net.au>
133 * builtins.c (expand_builtin_memset): Expand val in original mode.
135 2006-04-27 Eric Christopher <echristo@apple.com>
137 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
139 * config/darwin-c.c (darwin_ms_struct): New.
140 (darwin_pragma_ms_struct): Ditto.
141 (darwin_set_default_type_attributes): Ditto.
142 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
143 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
144 Register ms_struct pragma.
145 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
146 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
147 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
148 darwin_set_default_type_attributes if TARGET_MACHO.
150 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
152 PR tree-optimization/26854
153 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
154 * doc/tree-ssa.texi: Update immuse iterator documentation.
155 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
156 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
157 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
158 first_safe_imm_use, next_safe_imm_use): Remove.
159 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
160 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
161 (move_use_after_head): New. Helper function to sort immuses in a stmt.
162 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
163 (first_imm_use_stmt): New. Get first stmt in an immuse list.
164 (next_imm_use_stmt): New. Get next stmt in an immuse list.
165 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
166 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
167 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
168 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
169 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
170 (perfect_nestify): Use new iterator.
171 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
173 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
174 (next_imm_name): New field in struct immediate_use_iterator_d.
175 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
176 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
177 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
178 * tree-cfg.c (replace_uses_by): Use new iterator.
179 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
180 * tree-ssa-operands.c (correct_use_link): Remove.
181 (finalize_ssa_use_ops): No longer call correct_use_link.
183 2006-04-27 Stuart Hastings <stuart@apple.com>
185 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
186 * config/t-darwin (crt3.o): Use it.
187 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
188 'pmode', use Pmode instead of SImode for SYMBOL_REF.
189 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
190 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
191 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
194 2006-04-27 Roger Sayle <roger@eyesopen.com>
196 * expmed.c (store_fixed_bit_field): If we're not optimizing for
197 size, force the intermediate into a new pseudo rather instead of
198 performing both a bitwise AND and a bitwise IOR in memory.
200 2006-04-27 Richard Guenther <rguenther@suse.de>
202 PR rtl-optimization/26685
203 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
204 this one "max-flow-memory-locations".
206 2006-04-27 Richard Guenther <rguenther@suse.de>
208 PR tree-optimization/25148
209 * tree-vrp.c (compare_values): Remove code dealing with
210 comparisons against type min/max value. Honour overflow
211 and negative constants in code dealing with comparisons
212 of plus and minus expressions.
213 (value_inside_range): Use fold_binary with LE_EXPR and
214 GE_EXPR rather than compare_values.
216 2006-04-27 Dirk Mueller <dmueller@suse.de>
218 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
221 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
223 * basic-block.h (safe_insert_insn_on_edge): Removed.
224 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
227 2006-04-26 David Edelsohn <edelsohn@gnu.org>
228 Paolo Bonzini <bonzini@gnu.org>
231 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
232 (simplify_and_const_int): Same.
234 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
236 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
238 2006-04-26 Jakub Jelinek <jakub@redhat.com>
241 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
242 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
243 cgraph_global_info_ready.
246 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
249 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
250 either decl or init is error_mark_node.
253 * tree-flow.h (struct omp_region): Add sched_kind.
254 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
255 instead of extracting omp for data.
256 (expand_omp_for): Save extracted sched_kind.
258 2006-04-25 Roger Sayle <roger@eyesopen.com>
260 * expmed.c (store_bit_field): Also check whether the bitsize is
261 valid for the machine's "insv" instruction before moving the
262 target into a pseudo for use with the insv.
263 * config/i386/predicates.md (const8_operand): New predicate.
264 * config/i386/i386.md (extv, extzv, insv): Use the new
265 const8_operand predicate where appropriate.
267 2006-04-25 DJ Delorie <dj@redhat.com>
269 * doc/install.texi (Specific): Clarify that this is not a list of
270 supported hosts or targets.
272 2006-04-25 Richard Sandiford <richard@codesourcery.com>
274 PR rtl-optimization/26725
275 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
276 block's BB_DIRTY flag.
278 2006-04-25 Geoffrey Keating <geoffk@apple.com>
280 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
283 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
286 2006-04-25 David Edelsohn <edelsohn@gnu.org>
288 * varasm.c (align_variable): New function.
289 (get_block_for_decl): Apply align_variable to DECL before
290 calculating section information.
291 (assemble_variable): Split out alignment computation.
293 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
295 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
298 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
300 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
301 MODE_PARTIAL_INT mode.
302 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
303 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
305 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
306 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
308 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
310 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
312 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
313 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
314 MACFLAG_IH): Likewise.
315 (movstricthi_1): Renamed from "*movstricthi".
316 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
317 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
318 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
319 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
320 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
321 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
322 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
323 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
324 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
325 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
326 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
327 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
328 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
329 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
330 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
332 * doc/rtl.texi (ss_ashift): Improve wording.
334 2006-04-24 Geoffrey Keating <geoffk@apple.com>
336 * dwarf2out.c (verify_marks_clear): New.
337 (prune_unused_types): Call verify_marks_clear initially, not
340 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
342 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
343 * doc/rtl.texi: Document them.
344 * simplify-rtx.c (simplify_unary_operation,
345 simplify_binary_operation_1): Don't abort when we see them.
347 2006-04-24 Mark Mitchell <mark@codesourcery.com>
350 2006-04-23 Mark Mitchell <mark@codesourcery.com>
351 * configure.ac: Completely disregard languages that are not
353 * configure: Regenerated.
355 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
356 Richard Guenther <rguenther@suse.de>
358 PR tree-optimization/27236
359 * tree-inline.c (copy_body_r): Make sure to copy
360 TREE_THIS_VOLATILE flag.
362 2006-04-24 Richard Guenther <rguenther@suse.de>
365 * tree-complex.c (update_parameter_components): Don't handle
366 unused parameters which have no default def.
368 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
369 Richard Guenther <rguenther@suse.de>
371 PR tree-optimization/27218
372 * tree-inline.c (expand_call_inline): Strip useless type
373 conversions for the return slot address.
375 2006-04-24 Richard Guenther <rguenther@suse.de>
377 * cfgloop.h (struct loops): Remove unused field array. Reorder
379 (LOOP_PREFETCH): Remove.
381 2006-04-24 Richard Guenther <rguenther@suse.de>
383 PR tree-optimization/22525
384 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
385 variable, adjust types of generated expressions.
387 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
389 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
390 (tree-vect-patterns.o): Likewise.
392 (cselib.o): Likewise.
393 (loop-doloop.o): Likewise.
394 (regclass.o): Likewise.
395 (reload1.o): Likewise.
396 (explow.o): Replace target.h with $(TARGET_H).
397 (ipa-prop.o): Likewise.
398 (ipa-cp.o): Likewise.
399 (ipa-inline.o): Likewise.
401 (reg-stack.o): Likewise.
403 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
405 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
407 2006-04-23 Mark Mitchell <mark@codesourcery.com>
409 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
411 * configure.ac: Completely disregard languages that are not
413 * configure: Regenerated.
416 * c-common.h (c_build_bitfield_integer_type): Declare.
417 * c-decl.c (c_build_bitfield_integer_type): Move to ...
418 * c-common.c (c_build_bitfield_integer_type): ... here.
420 2006-04-23 Roger Sayle <roger@eyesopen.com>
423 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
424 a SImode SUBREG of a floating point register after no_new_pseudos.
426 2006-04-23 Roger Sayle <roger@eyesopen.com>
428 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
429 identify potentially eliminable registers to additionally catch
430 VIRTUAL_INCOMING_ARGS_REGNUM.
431 (addsi3): Update the conditions on when to use addsi_small_int.
433 2006-04-23 Roger Sayle <roger@eyesopen.com>
436 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
437 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
438 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
440 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
442 * fold-const.c (range_predecessor): Use operand_equal_p
443 as the predicate for equality.
444 (range_successor): Likewise.
446 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
449 * config/soft-fp/op-common.h: Fix a typo.
451 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
454 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
455 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
457 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
459 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
461 * doc/tm.texi: Fix a typo.
463 2006-04-21 Geoffrey Keating <geoffk@apple.com>
465 * dwarf2out.c (struct die_struct): Document that die_sib makes
466 a circular linked list.
467 (FOR_EACH_CHILD): New.
468 (reverse_die_lists): Delete.
469 (reverse_all_dies): Delete.
470 (add_dwarf_attr): Correct documentation.
471 (remove_child_with_prev): New.
472 (remove_child_TAG): Update for change to die_struct, use
473 remove_child_with_prev.
474 (add_child_die): Update for change to die_struct.
475 (splice_child_die): Use remove_child_with_prev and add_child_die.
476 (print_die): Use FOR_EACH_CHILD.
477 (die_checksum): Likewise.
478 (assign_symbol_names): Likewise.
479 (output_location_lists): Likewise.
480 (build_abbrev_table): Likewise.
481 (calc_die_sizes): Likewise.
482 (mark_dies): Likewise.
483 (unmark_dies): Likewise.
484 (unmark_all_dies): Likewise.
485 (output_die): Likewise.
486 (prune_unused_types_mark): Likewise.
487 (prune_unused_types_walk): Likewise.
488 (same_die_p): Update for change to die_struct.
489 (break_out_includes): Likewise.
490 (prune_unused_types_prune): Likewise.
491 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
492 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
494 (dwarf2out_finish): Don't call reverse_all_dies.
496 2006-04-21 Eric Christopher <echristo@apple.com>
498 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
499 in comments and function names.
501 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
504 * c-typeck.c (digest_init): Robustify.
506 * c-typeck.c (pop_init_level): Simplify.
508 2006-04-21 Steve Ellcey <sje@cup.hp.com>
510 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
512 2006-04-21 Paul Brook <paul@codesourcery.com>
514 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
515 hardware floating point.
517 2006-04-21 David Edelsohn <edelsohn@gnu.org>
519 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
522 2006-04-21 Nick Clifton <nickc@redhat.com>
524 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
527 2006-04-21 Alan Modra <amodra@bigpond.net.au>
530 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
531 C++ lang type in traceback table for Objective-C++.
533 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
535 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
537 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
539 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
542 * tree-mudflap.c (mudflap_finish_file): Skip function when there
543 were errors. Remove check for erroneous objects.
545 2006-04-20 Jeff Law <law@redhat.com>
547 PR tree-optimization/26854
548 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
549 checking for zero or one use.
550 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
551 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
552 * tree-ssa-reassoc.c (negate_value): Similarly.
553 (reassociate_bb): Similarly.
555 2006-04-20 Jakub Jelinek <jakub@redhat.com>
557 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
558 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
559 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
561 2006-04-20 Alan Modra <amodra@bigpond.net.au>
563 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
564 fp regs if the last fp arg doesn't fit in regs.
566 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
569 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
570 that the last insn has the REG_INC note.
572 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
573 Nathan Sidwell <nathan@codesourcery.com>
576 * stor-layout.c (update_alignment_for_field): Do not align
578 (place_union_field): Place union field at the start of the union.
579 (place_field): Move ERROR_MARK check later, and use the current
580 allocation position to maintain monotonicity.
582 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
584 * dominance.c: Include timevar.h.
585 (calculate_dominance_info): Use TV_DOMINANCE.
586 * timevar.def (TV_DOMINANCE): New timevar.
587 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
589 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
591 PR rtl-optimization/14261
592 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
593 move would be an INSV insn.
594 (noce_process_if_block): Don't optimize if the destination is a
595 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
597 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
599 * config/s390/s390.md: Add comments with the instructions emitted
600 by an insn pattern if macros are used.
602 2006-04-19 Alan Modra <amodra@bigpond.net.au>
604 PR rtl-optimization/26026
605 * fold-const.c (fold_binary): Optimize div and mod where the divisor
606 is a known power of two shifted left a variable amount.
608 2006-04-18 Geoffrey Keating <geoffk@apple.com>
610 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
611 to hash table twice when the debug_str section has SECTION_MERGE.
613 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
615 * config/soft-fp: New directory. From glibc.
616 * config/soft-fp/t-softfp: New.
617 * config/soft-fp/README: New.
618 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
619 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
620 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
621 (LIBGCC_DEPS): Add $(SFP_MACHINE).
622 * config.gcc: Use rs6000/t-fprules-fpbit or
623 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
625 * config/rs6000/sfp-machine.h: New. Based on glibc.
626 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
628 * config/rs6000/t-fprules: Remove fp-bit rules.
629 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
630 * config/rs6000/t-linux64: Likewise. Remove duplicates from
631 LIB2FUNCS_EXTRA. Remove fp-bit rules.
632 (softfp_wrap_start, softfp_wrap_end): New.
634 2006-04-18 DJ Delorie <dj@redhat.com>
636 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
638 2006-04-18 Devang Patel <dpatel@apple.com>
640 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
642 2006-04-18 Nick Clifton <nickc@redhat.com>
644 * config/sh/t-symbian: Add rule to build sh-c.o
645 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
646 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
647 (sh_symbian_encode_section_info): Likewise.
649 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
651 * builtins.c (expand_builtin_strcmp): Cover label definition of
652 do_libcall with HAVE_cmpstrnsi.
654 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
656 * function.c (temp_slots_at_level, max_slot_level): Use VEC
658 * function.h (temp_slot_p): New.
659 (function): Change the type of x_used_temp_slots to
660 VEC(temp_slot_p,gc) *.
662 2006-04-18 Nick Clifton <nickc@redhat.com>
664 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
665 flag_strength_reduce.
667 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
669 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
673 Partial revert of revision 112637
674 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
675 Dale Johannesen <dalej@apple.com>
678 * regclass.c (struct reg_pref): Update documentation.
679 (regclass): Set prefclass to NO_REGS if memory is the best option.
680 (record_reg_classes): Cope with a prefclass set to NO_REGS.
682 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
684 PR tree-optimization/26821
685 * tree-ssa-math-opts.c (get_constant_one): New.
686 (insert_reciprocals): Use it.
688 2006-04-17 Geoffrey Keating <geoffk@apple.com>
690 * dwarf2out.c (free_AT): Delete.
691 (remove_AT): Update string ref counts.
692 (remove_child_TAG): Don't call free_die.
694 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
696 (prune_unused_types_walk_attribs): Reset string refcounts.
697 (prune_unused_types_update_strings): New.
698 (prune_unused_types_prune): Don't make unnecessary stores. Don't
699 call free_die. Do call prune_unused_types_update_strings.
700 (prune_unused_types): Empty debug_str_hash.
702 2006-04-17 Roger Sayle <roger@eyesopen.com>
704 * expr.c (expand_assignment): Optimize away no-op moves where the
705 source and destination are equal and have no side-effects.
707 2006-04-17 Richard Guenther <rguenther@suse.de>
710 * reload.c (push_reload): Guard calls to get_secondary_mem
713 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
715 * alias.c (reg_base_value, old_reg_base_value): Change the
716 type to VEC(rtx,gc) *.
717 (REG_BASE_VALUE, find_base_value, record_set,
718 init_alias_analysis): Use VEC instead of VARRAY.
720 * alias.c (alias_sets): Change the type to
721 VEC(alias_set_entry,gc) *.
722 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
723 VEC instead of VARRAY.
724 (last_alias_set): Remove.
726 * cgraph.h (cgraph_edge_p): New.
727 Update the prototype of cgraph_function_versioning.
728 * cgraphunit.c (cgraph_copy_node_for_versioning,
729 cgraph_function_versioning): Use VEC instead of VARRAY.
730 * ipa-cp.c (ipcp_insert_stage): Likewise.
732 2006-04-16 Roger Sayle <roger@eyesopen.com>
735 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
736 "A op B" or "A op C", we may need to convert A to the type of B and C.
738 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
740 * target.h (struct gcc_target): Add mode_rep_extended.
741 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
742 (init_num_sign_bit_copies_in_rep): Initialize it using
744 (truncate_to_mode): Use it.
745 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
746 * targhooks.h (default_mode_rep_extended): Declare it.
747 * targhooks.c (default_mode_rep_extended): Define it.
748 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
749 default_mode_rep_extended.
750 (TARGET_INITIALIZER): Include it.
751 * doc/tm.texi (Misc): Document it.
752 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
753 (mips_truncated_to_mode): New function.
755 2006-04-16 Roger Sayle <roger@eyesopen.com>
758 * expr.c (compress_float_constant): Copy the narrow constant into
759 a new pseudo before extending it to its final width.
761 2006-04-16 Roger Sayle <roger@eyesopen.com>
762 Andrew Pinski <pinskia@gcc.gnu.org>
763 Dale Johannesen <dalej@apple.com>
766 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
767 special case code to implement V8HImode and V16QImode with SSE2.
769 2006-04-15 Roger Sayle <roger@eyesopen.com>
771 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
772 trees are constructed with a suitable tree type.
774 2006-04-15 Roger Sayle <roger@eyesopen.com>
776 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
777 (integer_onep): Likewise.
778 (integer_all_onesp): Likewise.
779 (integer_pow2p): Likewise.
780 (integer_nonzerop): Likewise.
781 (real_zerop): Likewise.
782 (real_onep): Likewise.
783 (real_twop): Likewise.
784 (real_minus_onep): Likewise.
785 (int_size_in_bytes): Likewise.
786 (host_integerp): Likewise.
788 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
790 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
791 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
792 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
794 * tree-ssa-structalias.h (alias_info): Remove num_references.
796 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
798 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
799 (output_bvb patterns): Likewise.
800 * pa.c (output_bb): Use 'bb' insn for long branch case.
801 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
802 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
803 1. Correct length operand for alternatives 1 and 2.
804 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
805 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
807 2006-04-14 Roger Sayle <roger@eyesopen.com>
809 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
810 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
811 were accidentally reverted by r112959.
813 2006-04-15 Jakub Jelinek <jakub@redhat.com>
816 * except.h (eh_region_outermost): New prototype.
817 * except.c (eh_region_outermost): New function.
818 * tree-cfg.c (find_outermost_region_in_block): Use it.
820 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
822 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
824 * reload1.c (reg_equiv_memory_loc_varray): Rename to
825 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
826 (init_reload, reload): Use VEC instead of VARRAY.
827 * reload.h: Update the prototype for
828 reg_equiv_memory_loc_varray.
830 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
831 Eric Botcazou <ebotcazou@libertysurf.fr>
833 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
836 2005-04-13 Uros Bizjak <uros@kss-loka.si>
839 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
840 to expand fallback builtin function call.
842 2006-04-14 Alan Modra <amodra@bigpond.net.au>
845 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
846 and emit libcall here in case the builtin fails.
847 (expand_builtin_strcmp): Always emit the libcall here on failure.
849 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
851 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
852 * flow.c (reg_n_info): Change the type to
853 VEC(reg_info_p,heap) *.
854 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
856 * regs.h (reg_info_p): New.
857 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
858 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
859 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
862 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
864 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
866 * params.h (MAX_SCHED_READY_INSNS): New macro.
867 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
868 past MAX_SCHED_READY_INSNS during the first scheduling pass.
869 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
870 the ready list for 1 cycle during the first scheduling pass.
871 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
873 2006-04-13 Richard Henderson <rth@redhat.com>
876 * gimple-low.c (lower_omp_directive): Remove dead code.
877 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
878 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
879 * omp-low.c (struct omp_region): Move to tree-flow.h.
880 (root_omp_region): Export.
881 (omp_regions, lookup_omp_region): Remove.
882 (determine_parallel_type): Update for struct omp_region changes.
883 (dump_omp_region): Dump regions with block numbers.
884 (new_omp_region): Take type and block instead of stmt; malloc
886 (free_omp_region_1, free_omp_regions): New.
887 (expand_parallel_call): Take entry_stmt as argument; update for
888 changes to omp_region.
889 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
890 (remove_exit_barriers): New.
891 (expand_omp_parallel): Update for struct omp_region changes.
892 (expand_omp_synch): Likewise.
893 (expand_omp): Likewise.
894 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
895 (expand_omp_for_static_chunk): Likewise.
896 (expand_omp_for): Likewise.
897 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
898 (expand_omp_sections): Similarly, with GOMP_sections_end.
899 (expand_omp_single): New.
900 (build_omp_regions_1): Update for OMP_CONTINUE.
901 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
902 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
903 OMP_SECTIONS_SECTIONS.
904 (lower_omp_single_simple): Don't emit barrier here.
905 (lower_omp_single_copy): Likewise.
906 (lower_omp_single): Fix bindings, and lower to straightline now.
907 (lower_omp_master, lower_omp_ordered): Likewise.
908 (lower_omp_critical): Likewise.
909 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
910 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
911 omp edges, free it afterward.
912 (make_omp_sections_edges): Remove.
913 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
914 (move_stmt_r): Handle OMP_CONTINUE.
915 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
916 statement pointers to basic blocks. Add type member.
917 (root_omp_region, new_omp_region, free_omp_regions): Declare.
918 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
919 * tree-inline.c (estimate_num_insns_1): Likewise.
920 * tree-pretty-print.c (dump_generic_node): Likewise.
921 * tree-ssa-operands.c (get_expr_operands): Likewise.
922 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
923 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
925 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
926 (OMP_SECTIONS_SECTIONS): Remove.
927 (OMP_SECTION_LAST): New.
928 (OMP_RETURN_NOWAIT): New.
930 2006-04-13 Roger Sayle <roger@eyesopen.com>
932 * fold-const.c (native_encode_vector, native_interpret_real):
933 Correct obvious mistakes in the previous check-in.
935 2006-04-13 Roger Sayle <roger@eyesopen.com>
937 * fold-const.c (native_encode_expr): New function to encode
938 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
939 or VECTOR_CST into a specified buffer.
940 (native_encode_int): New function.
941 (native_encode_real): New function.
942 (native_encode_complex): New function.
943 (native_encode_vector): New function.
944 (native_interpret_expr): Inverse of native_encode_expr to convert
945 a target representation into an INTEGER_CST, REAL_CST etc...
946 (native_interpret_int): New function.
947 (native_interpret_real): New function.
948 (native_interpret_complex): New function.
949 (native_interpret_vector): New function.
950 (fold_view_convert_expr): New function to constant fold/evaluate
951 a VIEW_CONVERT_EXPR of a suitable constant expression.
952 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
953 Change call of build1 to fold_build1 when constructing a
956 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
957 Ulrich Weigand <uweigand@de.ibm.com>
960 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
963 2006-04-13 Alan Modra <amodra@bigpond.net.au>
966 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
967 optimize to lo_sum for DFmode if !TARGET_FPRS.
969 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
971 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
972 delete_alias_info, compute_flow_sensitive_aliasing,
973 group_aliases): Use VEC instead of VARRAY.
974 * tree-ssa-structalias.c (update_alias_info): Likewise.
975 * tree-ssa-structalias.h (alias_info): Change the type of
976 processed_ptrs to VEC(tree,heap) *.
978 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
981 * config/sh/lib1funcs.h: New file, broken out of:
982 * config/sh/lib1funcs.asm.
983 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
985 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
986 * config/sh/lib1funcs-Os-4-200.asm: New file.
987 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
988 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
989 (EXTRA_MULTILIB_PARTS): Include it.
990 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
991 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
992 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
993 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
996 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
998 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
999 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1000 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1002 * tree-ssa-live.h: Include vecprim.h.
1003 (tree_partition_associator_d): Change the type of
1004 first_partition to VEC(int,heap) *.
1005 (tpa_first_partition): Use VEC instead of VARRAY.
1007 * Makefile.in (GTFILES): Move functions.h after tree.h.
1008 * function.c (reset_block_changes, record_block_change,
1009 check_block_change, free_block_changes): Use VEC instead of
1011 * function.h (function): Change the type of
1012 ib_boundaries_block to VEC(tree,gc) *.
1013 * tree-inline.c (copy_cfg_body): Initialize
1014 ib_boundaries_block to NULL instead of (varray_type) 0.
1016 2006-04-12 Roger Sayle <roger@eyesopen.com>
1018 * expr.c (emit_group_store): Correct operand order in call to
1019 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1020 a SUBREG_BYTE of zero.
1022 2006-04-12 Richard Guenther <rguenther@suse.de>
1024 * profile.c (compute_branch_probabilities): Remove code
1025 encapsulated in !ir_type (), which are remanents of the
1026 removed RTL profiling code.
1027 * rtl-profile.c: Remove.
1029 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1031 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1032 magic NULL_RTX comment.
1033 (function_arg): Store entire fp arg to mem if any part should go
1035 (rs6000_arg_partial_bytes): Adjust for above change.
1037 2006-04-11 Roger Sayle <roger@eyesopen.com>
1039 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1040 if it hasn't been initialized by dwarf2out_init.
1042 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1044 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1045 symbolic constants in branch patterns.
1047 2006-04-11 Roger Sayle <roger@eyesopen.com>
1049 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1051 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1053 PR rtl-optimization/27073
1054 * gcse.c (try_replace_reg): Revert last change. Continue to search
1055 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1058 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1060 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1061 aggregate types other than record and union types.
1062 (function_arg): Likewise.
1063 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1065 (function_value): In 64-bit mode, return objects that require it
1068 2006-04-11 Roger Sayle <roger@eyesopen.com>
1070 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1072 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1074 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1076 2006-04-03 Jeff Law <law@redhat.com>
1079 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1080 alias information too.
1082 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1084 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1086 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1089 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1090 (premark_used_types_helper): New.
1091 (premark_used_types): New.
1092 (gen_subprogram_die): Call premark_used_types.
1093 (prune_unused_types_walk): Do not prune perennial dies.
1094 * function.c (used_types_insert): New.
1095 * function.h (struct function): Add used_types_hash field.
1096 (used_types_insert): Add prototype.
1097 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1098 * c-parser.c (c_parser_cast_expression): Save casted types in used
1101 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1104 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1105 rs6000_explicit_options.float_gprs.
1107 2006-04-10 Roger Sayle <roger@eyesopen.com>
1109 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1110 from ix86_expand_vector_init_low_nonzero. Take an additional
1111 one_var argument indicating which element is non-zero. Support
1112 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1113 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1114 with one_var instead of ix86_expand_vector_init_low_nonzero.
1116 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1118 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1119 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1120 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1121 build/genextract.o): Depend on vecprim.h.
1122 * cfglayout.c, df-problems.c, function.c, genextract.c,
1123 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1124 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1128 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1130 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1131 Declare VECs of this type.
1132 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1133 (remove_children): Delete.
1134 (add_dwarf_attr): Use VEC routines.
1135 (add_AT_flag): Update for changes to add_dwarf_attr.
1136 (add_AT_int): Likewise.
1137 (add_AT_unsigned): Likewise.
1138 (add_AT_long_long): Likewise.
1139 (add_AT_vec): Likewise.
1140 (add_AT_string): Likewise.
1141 (add_AT_die_ref): Likewise.
1142 (add_AT_fde_ref): Likewise.
1143 (add_AT_loc): Likewise.
1144 (add_AT_loc_list): Likewise.
1145 (add_AT_addr): Likewise.
1146 (add_AT_lbl_id): Likewise.
1147 (add_AT_lineptr): Likewise.
1148 (add_AT_macptr): Likewise.
1149 (add_AT_offset): Likewise.
1150 (add_AT_range_list): Likewise.
1151 (get_AT): Use VEC_iterate.
1152 (remove_AT): Use VEC_ordered_remove.
1153 (free_die): Fold remove_children into here; have it use VEC_iterate.
1154 (print_die): Use VEC_iterate on attrs.
1155 (reverse_die_lists): Don't reverse attr lists.
1156 (die_checksum): Use VEC_iterate on attrs.
1157 (same_die_p): Likewise.
1158 (output_location_lists): Likewise.
1159 (build_abbrev_table): Likewise.
1160 (size_of_die): Likewise.
1161 (unmark_all_dies): Likewise.
1162 (output_abbrev_section): Likewise.
1163 (output_die): Likewise.
1164 (prune_unused_types_walk_attribs): Likewise.
1166 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1168 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1170 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1173 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1175 2006-04-09 Roger Sayle <roger@eyesopen.com>
1177 * expr.c (store_constructor): Don't bother clearing target if
1178 we're about to assign a vector to it using vec_init_optab.
1180 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1182 * tree-ssa-alias.c (lhs_may_store_to): New function.
1183 (recalculate_used_alone): Handle LHS of calls.
1185 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1189 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1190 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1191 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1192 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1193 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1194 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1195 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1196 stubs. Add ".align 8" directives before all ".dword" directives.
1197 (GTHREAD_USE_WEAK): Revise comment.
1198 (TARGET_ATTRIBUTE_WEAK): Define.
1199 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1200 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1201 * stublib.c: New file.
1206 * pa.md (cbranch patterns): Revise arguments used in calls to
1207 output_cbranch, output_bb and output_bvd. Add long branch length
1209 (fbranch patterns): Handle long branches.
1210 (jump): Revise length check. Revise arguments for output_lbranch call.
1211 Add long branch length attributes.
1212 (decrement_and_branch_until_zero): Add long branch length attributes.
1213 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1214 Likewise. Revise arguments for output_parallel_addb and
1215 output_parallel_movb calls.
1216 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1217 output_parallel_movb and output_parallel_addb): Update prototypes.
1218 * pa.c (output_cbranch): Revise arguments. Correct handling of
1219 nullification in long branches.
1220 (output_lbranch): Add new argument to control extraction of delay
1222 (output_bb): Handle long branches.
1223 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1224 output_parallel_addb): Likewise.
1226 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1228 PR rtl-optimization/27073
1229 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1232 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1234 * tree.h (tree_memory_tag): Add old_used_alone.
1235 (SMT_OLD_USED_ALONE): New macro.
1236 * tree-ssa-alias.c (recalculate_used_alone): Stop
1237 marking things for renaming unnecessarily.
1239 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1241 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1242 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1243 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1244 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1245 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1246 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1247 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1248 spelling convensions.
1249 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1250 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1251 typos. Follow spelling conventions.
1253 2006-04-07 DJ Delorie <dj@redhat.com>
1255 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1256 passed on the stack.
1257 (m32c_init_cumulative_args): When a function returns a structure,
1258 always pass the pointer to that return area on the stack.
1259 (m32c_function_arg_advance): Don't increment the parameter number
1260 if we're processing the returned structure pointer.
1261 (pushm_info): Reverse order of registers.
1263 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1265 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1266 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1267 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1268 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1270 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1271 chrec_fold_multiply): Same.
1272 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1273 force_expr_to_var_cost): Same.
1274 * tree-mudflap.c (mf_xform_derefs_1): Same.
1275 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1277 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1279 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1280 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1283 2006-04-07 Jan Hubicka <jh@suse.cz>
1285 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1287 2006-04-07 Richard Guenther <rguenther@suse.de>
1289 PR tree-optimization/26135
1290 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1291 loads for store copy-prop.
1292 (copy_prop_visit_stmt): Likewise.
1294 2006-04-05 Robert Millan <robertmh@gnu.org>
1296 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1297 being overriden in config/k*bsd-gnu.h.
1298 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1300 * gcc/config/knetbsd-gnu.h: Ditto.
1302 2006-04-06 Jan Hubicka <jh@suse.cz>
1306 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1309 2006-04-06 Mike Stump <mrs@apple.com>
1311 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1312 for HAVE_nonlocal_goto to be consistent.
1313 (expand_builtin_nonlocal_goto): Likewise.
1314 (expand_builtin_strcmp): Use #ifdef instead of #if
1315 for HAVE_cmpstrnsi to be consistent.
1317 2006-04-05 DJ Delorie <dj@redhat.com>
1319 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1322 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1324 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1325 got-relative addressing for anything but SImode.
1327 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1328 even if the calling function doesn't modify them.
1330 2006-04-05 Richard Guenther <rguenther@suse.de>
1332 PR tree-optimization/26919
1333 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1334 to cgraph_estimate_size_after_inlining.
1336 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1338 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1340 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1342 PR tree-optimization/26996
1343 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1344 VECTOR_TYPE variables.
1346 2006-04-05 Richard Guenther <rguenther@suse.de>
1348 PR tree-optimization/26763
1349 * fold-const.c (fold_comparison): Move folding of
1350 PTR + CST CMP PTR + CST ...
1351 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1353 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1355 * doc/install.texi (Prerequisites): Refine some wording on
1356 bootstrapping and ksh.
1357 Move the version numbers of DejaGnu here from the testing section
1358 and fix casing of names.
1359 Fix markup and clarify wording for autogen requirements.
1360 Refer to GCJ instead of just java.
1361 Refer to SVN instead of CVS.
1362 Describe diffutils as useful instead of necessary.
1363 (Downloading the source): Refer to SVN instead of CVS.
1364 Adjust a link to our web site accordingly.
1365 (Configuration): Fix casing of Bison.
1366 (Building): Refer to SVN instead of CVS.
1367 Fix a sentence on the use of Bison and remove duplicate (and
1368 incorrect) version number of Bison requirement.
1369 Remove one redundant list of packages needed for building.
1370 (Specific): Avoid reference to CVS.
1372 2006-04-04 Eric Christopher <echristo@apple.com>
1374 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1375 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1376 (rs6000_handle_struct_attribute): New.
1377 (rs6000_ms_bitfield_layout_p): Ditto.
1379 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1381 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1382 NULL for dso parameter to atexit_common.
1384 2006-04-04 Eric Christopher <echristo@apple.com>
1386 * config/i386/i386.c (machopic_output_stub): Output \t
1387 between instructions and operands.
1389 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1391 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1392 satisfies_constraint_[IL] to explicit tests on value.
1394 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1396 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1397 set_nb_iterations_in_loop): Use build_int_cst instead of
1399 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1400 build_int_cst instead of convert.
1402 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1404 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1405 new value 2 for incoming.
1406 * function.c (expand_function_start): Call struct_value_rtx
1408 * config/sparc/sparc.md: Comment updated_return.
1409 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1410 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1411 struct return if sparc_std_struct_return and incoming is 2.
1412 (print_operand): Do not adjust return if
1413 sparc_std_struct_return.
1415 2006-04-04 Roger Sayle <roger@eyesopen.com>
1417 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1418 convert in the middle-end.
1419 * expr.c (store_expr, store_constructor, get_inner_reference,
1420 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1422 * tree.c (build_range_type): Likewise.
1424 2006-04-04 Tom Tromey <tromey@redhat.com>
1426 * doc/install.texi (Prerequisites): Mention jar.
1428 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1430 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1433 2006-04-04 Matthias Klose <doko@debian.org>
1435 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1436 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1439 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1441 * doc/extend.texi (Function Attributes): Rewrite visibility
1442 attribute documentation.
1443 * doc/invoke.texi (C++ Dialect Options): Rewrite
1444 -fvisibility-inlines-hidden documentation to describe something
1445 entirely different, although in practise compatible.
1446 (Code Gen Options): Warn about system headers in -fvisibiltity=
1449 * doc/extend.texi (Other Builtins): Document that
1450 __builtin_nan is a compile-time constant only when its argument
1453 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1455 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1456 trying to remove TRUNCATE check if all bits outside the new mode
1457 are identical to the sign bit.
1459 2006-04-03 Jeff Law <law@redhat.com>
1461 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1462 and operand scanning in some common cases.
1464 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1465 Dale Johannesen <dalej@apple.com>
1468 * regclass.c (struct reg_pref): Update documentation.
1469 (regclass): Set prefclass to NO_REGS if memory is the best option.
1470 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1471 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1472 into account. For non-registers, equate an empty preferred
1473 reload class to a `!' in the constraint; move the if clause to
1474 do so after those that reject the insn.
1475 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1477 (find_dummy_reload): Likewise.
1478 * doc/tm.texi (Register Classes): Document what it means
1479 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1480 * config/i386/i386.c (ix86_preferred_reload_class): Force
1481 using SSE registers (and return NO_REGS for floating-point
1482 constants) if math is done with SSE.
1483 (ix86_preferred_output_reload_class): New.
1484 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1485 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1486 * config/i386/i386.md: Remove # register preferences.
1488 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1491 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1492 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1493 the type of nb_iter.
1494 (instantiate_parameters_1): Convert the operands before calling
1495 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1496 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1498 2006-04-02 Roger Sayle <roger@eyesopen.com>
1500 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1501 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1503 * dojump.c (do_jump): Likewise.
1504 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1505 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1506 gimplify_boolean_expr): Likewise.
1507 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1508 * varasm.c (array_size_for_constructor): Likewise.
1509 * tree-object-size.c (compute_object_offset): Likewise.
1511 2006-04-02 Roger Sayle <roger@eyesopen.com>
1514 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1515 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1517 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1519 PR tree-optimization/26939
1520 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1522 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1524 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1525 at_stmt. Convert the type of operands before calling
1526 build_polynomial_chrec.
1527 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1529 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1530 (instantiate_parameters_1): Convert the type of operands before calling
1531 build_polynomial_chrec.
1532 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1533 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1534 reset_evolution_in_loop): Insert asserts to check the types of the
1536 (chrec_type): Moved...
1537 (eq_evolutions_p): Use operand_equal_p.
1538 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1539 the types of the operands.
1540 (chrec_type): ...here.
1541 * tree-data-ref.c (create_data_ref): Convert the operands before
1542 calling chrec_replace_initial_condition.
1543 (same_access_functions, analyze_subscript_affine_affine,
1544 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1545 (compute_subscript_distance, analyze_ziv_subscript,
1546 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1547 analyze_miv_subscript): Convert the operands before calling
1548 chrec_fold_minus or chrec_fold_plus.
1550 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1552 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1553 the dependence_relations vector.
1554 (compute_data_dependences_for_loop): Adjust call to
1555 compute_all_dependences.
1557 2006-04-01 Roger Sayle <roger@eyesopen.com>
1558 Richard Henderson <rth@redhat.com>
1560 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1561 gimple_boolify on the condition before calling gimplify_expr.
1563 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1565 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1566 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1567 the frame size. Update to use the new macros.
1568 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1569 * config/xtensa/ieee754-df.S: Likewise.
1571 2006-03-31 Richard Henderson <rth@redhat.com>
1573 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1574 (make_edges): ... here. Control fallthru creation with a local
1575 variable. Do not play with fake edges.
1576 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1577 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1580 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1582 * dwarf2.h (DW64_CIE_ID): Define.
1583 * dwarf2out.c (DWARF_CIE_ID): Define.
1584 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1585 length header. Use DWARF_CIE_ID.
1586 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1587 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1589 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1591 * config/sh/linux-atomic.asm: New file.
1592 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1594 2006-03-31 DJ Delorie <dj@redhat.com>
1596 * config/m32c/cond.md: Set condition flags properly throughout.
1597 * config/m32c/minmax.md: Likewise.
1598 * config/m32c/prologue.md: Likewise.
1599 * config/m32c/bitops.md: Likewise.
1600 * config/m32c/muldiv.md: Likewise.
1601 * config/m32c/mov.md: Likewise.
1602 * config/m32c/addsub.md: Likewise.
1603 * config/m32c/m32c.md: Likewise.
1604 * config/m32c/jump.md: Likewise.
1605 * config/m32c/shift.md: Likewise.
1607 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1608 conditionally output the pattern for this.
1609 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1610 (m32c_compare_redundant): New.
1611 (m32c_output_compare): New.
1612 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1614 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1615 dest, not src. Allow other 4-byte modes.
1617 2006-03-30 Denis Chertykov <denisc@overta.ru>
1619 * doc/md.texi: Refer to avr/constraints.md instead of
1622 2006-03-30 Roger Sayle <roger@eyesopen.com>
1624 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1625 signed vs. unsigned comparison failures on some hosts.
1627 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1630 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1631 change to FLOAT_REGS.
1633 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1634 (rs6000_override_options): Use it.
1635 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1636 only for -mabi=spe/no-spe and -mabi=altivec.
1638 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1640 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1643 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1645 * Makefile.in: Rename docdir to gcc_docdir.
1647 2006-03-30 Roger Sayle <roger@eyesopen.com>
1650 * expr.c (emit_group_store): Optimize group stores into a pseudo
1651 register by using a paradoxical subreg to initialize the destination
1652 if the first or last member of the group specifies a "low part".
1654 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1657 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1658 * target.h (struct gcc_target.speculate_insn): Change type of the
1659 second parameter to 'int'.
1660 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1661 the second operand of the DEPS_LIST.
1662 (copy_DEPS_LIST_list): Update reference to the second operand of the
1664 * rtl.h (alloc_DEPS_LIST): Update signature.
1665 * sched-int.h (ds_t): Change typedef to 'int'.
1666 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1668 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1670 * haifa-sched.c (try_ready): Change condition to restore
1671 non-speculative pattern of the instruction.
1672 (process_insn_depend_be_in_spec): Code to keep probability of the
1673 speculative dependence non-decreasing.
1675 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1677 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1678 (single_move_for_movmem): ... this. Also change all uses.
1679 (bfin_expand_strmov): Renamed to...
1680 (bfin_expand_movmem): ... this. Also change all uses.
1681 * config/bfin/bfin.md (movstrsi): Renamed to...
1682 (movstrsi): ...this.
1684 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1686 PR tree-optimization/26830
1688 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1689 (copy_prop_visit_stmt): Remove write-only variable ann.
1690 (init_copy_prop): Check variable loop depth here. Do not simulate
1691 memory-tag and virtual operand PHIs except for store copy prop.
1693 2006-03-30 Richard Guenther <rguenther@suse.de>
1695 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1696 variants with double arguments.
1698 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1700 * genpreds.c (write_tm_constrs_h): Delete variable p.
1701 * genconditions.c (write_header): Add tm-constrs.h to included
1703 * genpeep.c (main): Add toplev.h to included headers.
1704 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1705 (build/genpeep.o): Add toplev.h dependency.
1706 * config/rs6000/constraints.md: Add "W" constraint.
1708 2006-03-29 Roger Sayle <roger@eyesopen.com>
1710 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1711 sizes by correctly testing whether the size fits a host integer.
1712 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1713 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1714 SImode range for the default sizetype and bitsizetype.
1716 2006-03-29 Roger Sayle <roger@eyesopen.com>
1718 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1719 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1720 quickly if the argument is already of the correct type.
1721 Call fold_build1 instead of build1. Tidy up blank lines.
1723 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1725 * genemit.c (main): Add tm-constrs.h to included headers.
1726 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1727 * genpeep.c (main): Add tm-constrs.h to included headers.
1728 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1729 (write_tm_constrs_h): this and write complete file.
1730 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1731 (write_insn_preds_c): Add tm-constrs.h to included headers.
1732 (gen_constrs): New variable.
1733 (parse_option): Parse "-c".
1734 (main): Invoke write_tm_constrs_h.
1735 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1736 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1737 (object_out_file): Add tm-constrs.h dependency.
1738 (insn-emit.o): Same.
1739 (insn-output.o): Same.
1740 (insn-peep.o): Same.
1741 (insn-preds.o): Same.
1742 (insn-recog.o): Same.
1743 (tm-constsr.h): New target.
1744 (s-constrs-h): New target.
1746 * config/rs6000/constraints.md: New file.
1747 * config/rs6000/rs6000.c: Include tm-constrs.h.
1748 (num_insn_constant_wide): Convert to satisfies_constraint.
1749 (rs6000_rtx_costs): Convert to satisfies_constraint.
1750 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1751 (CONST_OK_FOR_LETTER_P): Delete.
1752 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1753 (EXTRA_CONSTRAINT): Delete.
1754 (EXTRA_MEMORY_CONSTRAINT): Delete.
1755 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1756 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1757 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1758 satisfies_constraint.
1760 * config/i386/i386.c: Include tm-constrs.h.
1762 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1764 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1765 * tree-data-ref.c (find_data_references_in_loop,
1766 compute_data_dependences_for_loop): Use pointers to VEC.
1767 (analyze_all_data_dependences): Adjust calls.
1768 * tree-data-ref.h (find_data_references_in_loop,
1769 compute_data_dependences_for_loop): Adjust declarations.
1770 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1771 compute_data_dependences_for_loop.
1773 2006-03-29 Paul Brook <paul@codesourcery.com>
1775 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1778 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1780 PR tree-optimization/26859
1781 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1783 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1784 for the step after fold_convert.
1786 2006-03-29 Paul Brook <paul@codesourcery.com>
1788 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1789 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1791 2006-03-29 Paul Brook <paul@codesourcery.com>
1794 * targhooks.c (default_narrow_bitfield): New fuction.
1795 * targhooks.h (default_narrow_bitfield): add prototype.
1796 * target.h (gcc_target): Add narrow_volatile_bitfield.
1797 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1798 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1799 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1800 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1802 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1804 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1806 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1807 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1808 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1809 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1810 (s390_function_arg_float): Allow SDmode and DDmode values to be
1811 passed in floating point registers.
1812 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1813 check with SCALAR_FLOAT_MODE_P.
1814 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1816 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1818 PR tree-optimization/25985
1819 * tree-ssa-loop-niter.c (number_of_iterations_le,
1820 number_of_iterations_ne): Make comments more precise.
1821 (number_of_iterations_cond): Add only_exit argument. Use the
1822 fact that signed variables do not overflow only when only_exit
1824 (loop_only_exit_p): New.
1825 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1826 number_of_iterations_cond.
1828 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1830 PR tree-optimization/26643
1831 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1834 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1836 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1837 (divsi3_i4_int): Likewise.
1839 2006-03-28 Roger Sayle <roger@eyesopen.com>
1841 * expr.c (emit_group_store): Only create a new pseudo reg if the
1842 quantity it needs to hold isn't already a suitable pseudo.
1844 2006-03-28 Jeff Law <law@redhat.com>
1846 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1847 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1849 2006-03-28 Roger Sayle <roger@eyesopen.com>
1851 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1852 the equivalent ~X & Y, and the symmetry related transformations.
1853 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1854 ~X & Y, and symmetry related transforms.
1856 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1858 Revert my 2006-03-27 patches.
1860 2006-03-28 Roger Sayle <roger@eyesopen.com>
1862 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1863 ~(T1)X, when T1 and T2 are integer types of the same precision
1864 and (T2)X isn't an extension.
1866 2006-03-28 Jeff Law <law@redhat.com>
1868 PR tree-optimization/26796
1869 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1870 need EH edge cleanups rather than purging them immediately.
1871 (eliminate_degenerate_phis): Handle queued EH cleanups.
1873 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1875 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1878 2006-03-27 Roger Sayle <roger@eyesopen.com>
1881 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1882 cast BIT_NOT_EXPR operand to the correct type.
1884 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1886 * tree-loop-linear.c: Don't include varray.h.
1887 (gather_interchange_stats, try_interchange_loops,
1888 linear_transform_loops): Use VEC instead of VARRAY.
1889 * lambda-mat.c: Don't include varray.h.
1890 * tree-chrec.c: Same.
1891 * lambda-trans.c: Same.
1892 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1893 VEC instead of VARRAY.
1894 * tree-vectorizer.h: Idem.
1895 * tree-data-ref.c (dump_data_references,
1896 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1897 initialize_data_dependence_relation, finalize_ddr_dependent,
1898 compute_all_dependences, find_data_references_in_loop,
1899 compute_data_dependences_for_loop, analyze_all_data_dependences,
1900 free_dependence_relation, free_dependence_relations,
1901 free_data_refs): Idem.
1902 * tree-data-ref.h (data_reference_p, subscript_p): New.
1903 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1904 VEC instead of VARRAY.
1905 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1906 (find_data_references_in_loop, compute_data_dependences_for_loop,
1907 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1908 dump_data_dependence_relations, free_dependence_relations,
1909 free_data_refs): Adjust declaration.
1910 (lambda_transform_legal_p): Move declaration here...
1911 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1912 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1913 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1914 vect_analyze_data_refs): Use VEC instead of VARRAY.
1915 * lambda.h (lambda_transform_legal_p): ...from here.
1916 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1917 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1918 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1919 tree-chrec.o): Don't depend on VARRAY_H.
1921 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1923 * rtl.def (Copyright): Update date.
1924 (DEPS_LIST): Change type of the second operand to 'int'.
1925 * target.h (Copyright): Update date.
1926 (struct gcc_target.speculate_insn): Change type of the second parameter
1928 * lists.c (Copyright): Update date.
1929 (alloc_DEPS_LIST): Change signature. Update reference to the second
1930 operand of the DEPS_LIST.
1931 (copy_DEPS_LIST_list): Update reference to the second operand of the
1933 * rtl.h (Copyright): Update date.
1934 (alloc_DEPS_LIST): Update signature.
1935 * sched-int.h (Copyright): Update date.
1936 (ds_t): Change typedef to 'int'.
1937 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1939 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1941 * haifa-sched.c (Copyright): Update date.
1942 (try_ready): Change condition to restore non-speculative pattern
1944 (process_insn_depend_be_in_spec): Code to keep probability of the
1945 speculative dependence non-decreasing.
1947 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1949 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1950 shut up the compiler.
1952 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1954 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1955 to use lib prefix for target.
1956 ($(T)libic_invalidate_array_4-200.a): Likewise.
1957 ($(T)libic_invalidate_array_4a.a): Likewise.
1959 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1960 J"orn Rennecke <joern.rennecke@st.com>
1962 * superh.opt: New file.
1963 * sh.c (boardtype, osruntime): Remove.
1964 * superh.h (SUBTARGET_OPTIONS): Remove.
1965 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1967 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1968 arguments with ^ and/or [].
1970 * config.gcc (sh-*-*): Add quoting to account for quirk of
1972 Replace == with = in enable_incomplete_targets test.
1974 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1975 with MASK_LITTLE_ENDIAN.
1977 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1978 * config/sh/sh.opt: Added to some comments.
1979 * config/sh/superh.h: Removed some chaff.
1981 * config/sh/sh.opt: Add m4-[1234]00* options.
1982 * config/sh/sh.c (sh_handle_option): Likewise.
1983 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1984 (ic_invalidate_array_4-100.o): New rule.
1985 ($(T)libic_invalidate_array_4-100.a): Likewise.
1986 (ic_invalidate_array_4-200.o): Likewise.
1987 ($(T)libic_invalidate_array_4-200.a): Likewise.
1988 (ic_invalidate_array_4a.o): Likewise.
1989 ($(T)libic_invalidate_array_4a.a): Likewise.
1990 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1991 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1993 * config/sh/crt1.asm: Merged in profiling code.
1994 * config/sh/superh.h (STARTFILE_SPEC): Override.
1995 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1996 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1997 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1999 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2000 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2001 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2003 * sh.opt (mpretend-cmove): New option.
2004 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2005 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2006 (movsicc): Add TARGET_PRETEND_CMOVE code.
2008 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2010 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2011 s390_class_max_nregs): New function prototypes.
2012 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2013 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2014 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2015 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2017 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2019 * dwarf2out.c (add_location_or_const_value_attribute): Call
2020 tree_add_const_value_attribute if nothing else works.
2021 (reference_to_unused): New.
2022 (rtl_for_decl_init): Use reference_to_unused to decide whether
2023 to output an initializer.
2025 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2028 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2029 peephole removing spe frob_di_df_2.
2031 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2033 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2034 (subscript_dependence_tester_1): Declared.
2035 (print_dir_vectors, print_dist_vectors): New.
2036 (debug_data_dependence_relation): New.
2037 (dump_data_dependence_relation): Print more details.
2038 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2039 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2040 (save_dist_v, save_dir_v, add_outer_distances,
2041 build_classic_dist_vector_1): New.
2042 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2043 Don't test for lambda_vector_lexico_pos.
2044 (same_access_functions, add_multivariate_self_dist,
2045 add_other_self_distances, dir_from_dist): New.
2046 (build_classic_dir_vector): Replace implementation almost identical to
2047 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2049 (subscript_dependence_tester_1): New.
2050 (subscript_dependence_tester): Handle the lexicographically negative
2051 distance vectors by recomputing the dependence relation.
2052 (compute_affine_dependence): Remove parameter loop_nest_depth.
2053 (compute_self_dependence): Don't call compute_subscript_distance.
2054 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2055 Add a parameter for the loop_nest.
2056 (find_loop_nest_1, find_loop_nest): New.
2057 (compute_data_dependences_for_loop): Compute the loop nest, and give
2058 up if the nest is not well formed.
2059 * tree-data-ref.h (loop_p): New.
2060 (struct data_dependence_relation): Replace size_vect field with
2061 loop_nest, a vec of loops.
2062 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2063 (DDR_LOOP_NEST): New.
2064 (print_dir_vectors, print_dist_vectors,
2065 debug_data_dependence_relation): Declared.
2066 (index_in_loop_nest): New.
2067 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2068 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2071 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2073 * simplify-rtx.c (simplify_relational_operation): Call
2074 simplify_relational_operation_1 even if mode is VOIDmode.
2076 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2078 PR tree-optimization/26804
2079 * tree.h (DECL_CALL_CLOBBERED): New macro.
2080 (tree_decl_common): Add call_clobbered_flag.
2081 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2082 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2083 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2084 (mark_non_addressable): Ditto.
2085 * tree-ssa.c (verify_call_clobbered): New function.
2086 (verify_alias_info): Use it.
2087 * tree-pass.h (pass_reset_cc_flags): New prototype.
2088 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2089 (reset_cc_flags): New function.
2090 * passes.c (init_optimization_passes): Call reset_cc_flags after
2091 initializing referenced_vars.
2093 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2094 Roger Sayle <roger@eyesopen.com>
2097 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2098 to 1.0 for non-real operands. Implement A / A optimization for
2101 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2103 * config/i386/i386.c (size_cost): Correct the comment for
2104 cost of storing fp registers.
2105 (i386_cost): Likewise.
2106 (i486_cost): Likewise.
2107 (pentium_cost): Likewise.
2108 (pentiumpro_cost): Likewise.
2109 (k6_cost): Likewise.
2110 (athlon_cost): Likewise.
2111 (k8_cost): Likewise.
2112 (pentium4_cost): Likewise.
2113 (nocona_cost): Likewise.
2114 (generic64_cost): Likewise.
2115 (generic32_cost): Likewise.
2117 2006-03-24 Denis Chertykov <denisc@overta.ru>
2119 * config/avr/avr-protos.h (extra_constraint): Delete.
2120 (extra_constraint_Q): New declaration.
2121 * config/avr/constraints.md: New file.
2122 * config/avr/avr.md: Include it.
2123 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2124 (TMP_REGNO, ZERO_REGNO): Likewise.
2125 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2126 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2127 (extra_constraint): Delete.
2128 (extra_constraint_Q): Test for memory constraint 'Q'.
2129 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2130 (REG_CLASS_FROM_LETTER): Delete.
2131 (CONST_OK_FOR_LETTER_P): Delete.
2132 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2133 (EXTRA_CONSTRAINT): Delete.
2134 (TMP_REGNO): Delete.
2135 (ZERO_REGNO): Delete.
2137 2006-03-24 Jeff Law <law@redhat.com>
2139 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2140 directly. Call mark_new_vars_to_rename slightly earlier.
2142 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2144 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2146 (gen_compile_unit_die): Use new language types for Objective-C and
2148 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2149 DW_LANG_C_plus_plus.
2152 * config/t-darwin (crt3.o): Work around bug 26840.
2153 * config/darwin-crt3.c: Rewrite.
2154 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2156 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2158 * doc/invoke.texi: Document -femit-class-debug-always
2159 * common.opt: Add -femit-class-debug-always.
2161 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2163 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2164 index and base register.
2165 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2166 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2167 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2168 REGNO_OK_FOR_INDEX_P.
2169 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2171 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2172 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2173 REG_OK_FOR_BASE_P): Definitions removed.
2175 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2178 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2179 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2180 set yet or weren't marked as local yet.
2182 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2184 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2187 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2189 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2190 (rs6000_legitimate_small_data_p): Delete.
2191 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2192 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2193 and make static. Add forward declaration. Update uses.
2194 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2195 of offsettable_memref_p.
2196 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2197 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2199 2006-03-24 Jeff Law <law@redhat.com>
2201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2202 around bug in immediate-use iterator.
2204 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2207 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2208 or __LITTLE_ENDIAN__.
2210 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2212 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2213 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2214 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2215 * config/sh/sh.opt (mdiv=): Amend description.
2216 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2217 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2218 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2219 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2220 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2221 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2222 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2223 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2224 TARGET_DIVIDE_CALL_FP.
2226 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2228 * haifa-sched.c (choose_ready): Fix type of the local variable.
2229 Move local variables. Add comment.
2230 (check_reg_live): Change signature. Make callable from debugger.
2231 * sched-int.h (check_reg_live): Update signature.
2232 * sched-ebb.c (check_reg_live): Update parameters.
2233 * sched-rgn.c (check_reg_live): Ditto.
2234 (region_head_or_leaf_p): Check pointer before dereferencing.
2235 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2236 before reload on optimization levels below 1.
2238 2006-03-23 Richard Henderson <rth@redhat.com>
2240 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2244 * config/alpha/predicates.md (local_symbolic_operand): Reject
2247 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2250 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2251 expressions which have overflowed constants.
2253 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2255 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2257 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2259 * cfgloopmanip.c (create_loop_notes): Removed.
2260 * final.c (final_scan_insn): Do not handle loop notes.
2261 * jump.c (squeeze_notes): Ditto.
2262 * cfglayout.c (skip_insns_after_block,
2263 duplicate_insn_chain): Ditto.
2264 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2266 * cfgloop.h (create_loop_notes): Declaration removed.
2268 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2270 * varasm.c (output_constant_pool): Restore fnname and fndecl
2272 (assemble_start_function): Adjust call accordingly.
2273 (assemble_end_function): Likewise.
2275 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2278 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2281 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2283 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2286 * system.h (ICE_EXIT_CODE): New macro.
2287 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2288 (diagnostic_action_after_output): Likewise.
2289 * gcc.c (fatal_ice): New function.
2290 (execute): Use it instead of fatal.
2291 (fancy_abort): Likewise.
2292 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2294 2006-03-22 Jeff Law <law@redhat.com>
2296 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2297 iv_analyze_result returning false.
2299 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2301 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2303 2006-03-22 Richard Henderson <rth@redhat.com>
2306 * except.c (duplicate_eh_regions_0): New.
2307 (duplicate_eh_region_1): Duplicate the children of the node as
2308 well as the node itself. Link them up properly.
2309 (duplicate_eh_region_2): Merge into ...
2310 (duplicate_eh_regions): ... here. Take copy_region argument, and
2311 copy only a sub-tree if asked. Simplify copying and fixup.
2312 (eh_region_outer_p): New.
2313 * except.h (duplicate_eh_regions): Update decl.
2314 (eh_region_outer_p): Declare.
2315 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2316 (lower_omp_master): Likewise.
2317 (lower_omp_ordered): Likewise.
2318 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2319 (move_stmt_r): Use it to remap labels. Handle recursion vs
2320 remap_decls_p properly.
2321 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2322 (find_outermost_region_in_block): New.
2323 (new_label_mapper): New.
2324 (move_sese_region_to_fn): Copy eh information to the new function
2326 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2328 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2331 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2333 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2334 into shared libraries.
2336 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2338 * doc/md.texi: Refer to i386/constraints.md instead of
2340 * config/i386/constraints.md: New file, extracted from...
2341 * config/i386/predicates.md: ...here.
2342 * config/i386/i386.md: Include constraints.md.
2344 2006-03-21 Jason Merrill <jason@redhat.com>
2346 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2349 * expr.c (init_block_move_fn): Force default visibility.
2350 (init_block_clear_fn): Likewise.
2351 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2352 * targhooks.c (default_external_stack_protect_fail): Likewise.
2354 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2356 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2357 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2358 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2359 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2360 (loadgp): Use mips_current_loadgp_style.
2361 (loadgp_noshared): New pattern.
2362 (sibcall_internal): Use MIPS_CALL.
2363 (sibcall_value_internal): Likewise.
2364 (sibcall_value_multiple_internal): Likewise.
2365 (call_internal): Likewise.
2366 (call_value_internal): Likewise.
2367 (call_value_multiple_internal): Likewise.
2368 (call_split): Use MIPS_CALL and add an 'S' constraint.
2369 (call_value_split): Likewise.
2370 (call_value_multiple_split): Likewise.
2371 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2372 (-mshared): New option.
2373 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2374 (mips_current_loadgp_style): Declare.
2375 * config/mips/mips.c (mips_classify_symbol): Avoid using
2376 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2377 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2378 TARGET_ABSOLUTE_ABICALLS.
2379 (override_options): Adjust comments. Improve the warning that is
2380 issued when -mabicalls and -G are used together.
2381 (mips_file_start): Remove comment.
2382 (mips_current_loadgp_style): New function.
2383 (mips_gnu_local_gp): New variable.
2384 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2386 (mips_output_function_prologue): Use mips_current_laodgp_style.
2387 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2388 the cprestore instruction.
2389 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2390 live for TARGET_ABSOLUTE_ABICALLS.
2391 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2392 (ASM_SPEC): Pass down -mshared and -mno-shared.
2393 (MIPS_CALL): New macro.
2394 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2396 * doc/invoke.texi (-mabicalls): Update documentation.
2397 (-mshared): Document.
2399 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2401 * config/ia64/unwind-hpux.c: New file.
2402 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2404 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2407 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2409 2006-03-21 Jeff Law <law@redhat.com>
2411 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2412 type conversions of a VR_VARYING source to a wider type.
2414 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2416 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2417 tm_file on Solaris 10 and later.
2418 (sparc64-*-solaris2*): Likewise.
2419 (sparc-*-solaris2*): Likewise.
2420 * config/sol26.h: Rename to config/sol2-6.h.
2421 * config/sol2-10.h: New file.
2423 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2426 * tree-ssa-pre.c (create_component_ref_by_pieces):
2429 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2432 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2433 return it immediately.
2435 2006-03-21 Michael Matz <matz@suse.de>
2437 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2439 (remove_arc, add_arc): Update num_out_arcs member.
2440 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2442 (cache_presence): New function.
2443 (compare_states_for_equiv): New function.
2444 (state_is_differed): Don't take number of outargs, adjust callers.
2445 Use new invariant for speeding up.
2446 (init_equiv_class): Create initial classes based on sorted
2448 (partition_equiv_class): Don't track out_arcs_num.
2449 (evaluate_equiv_classes): Call cache_presence on all states and
2452 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2454 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2455 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2456 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2457 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2459 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2460 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2461 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2462 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2463 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2465 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2466 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2467 (REGNO_REG_CLASS): ARGP is in PREGS.
2468 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2470 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2471 to deal with those addresses.
2472 * addresses.h: New file.
2473 * caller-save.c: Include "addresses.h".
2474 (init_caller_save): Use new base_reg_class function.
2475 * rtl-factoring.c: Include "addresses.h".
2476 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2477 * recog.c: Include "addresses.h".
2478 (preprocess_constraints): Use new base_reg_class function.
2479 * regrename.c: Include "addresses.h".
2480 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2481 functions. Keep track of a new var INDEX_CODE to compute valid
2483 (replace_oldest_value_addr): Likewise.
2484 (replace_oldest_value_mem): Use base_reg_class.
2485 * reload.c: Include "addresses.h".
2486 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2487 (find_reloads): Use new base_reg_class function.
2488 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2489 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2490 all callers and prototype changed.
2491 * reload1.c: Include "addresses.h".
2492 (maybe_fix_stack_asms): Use base_reg_class.
2493 * regclass.c: Include "addresses.h".
2494 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2495 (init_reg_autoinc): Use new base_reg_class function.
2496 (record_reg_classes): Likewise.
2497 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2498 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2499 Use new args to compute necessary class.
2501 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2502 regrename.o, rtl-factoring.o): Update dependencies.
2503 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2504 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2505 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2506 REG_OK_FOR_INDEX_P): Delete documentation.
2508 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2510 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2511 from V7 to V9 for Solaris 7 and above.
2513 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2515 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2516 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2517 argument pointers may not alias any other storage.
2518 * common.opt: Define option -fargument-noalias-anything.
2519 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2520 alias semantics is specified by flag_argument_noalias > 2.
2522 2006-03-20 Jeff Law <law@redhat.com>
2524 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2525 (pass_phi_only_cprop): Declare.
2526 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2528 * tree-ssa-dom.c (degenerate_phi_result): New function.
2529 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2530 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2531 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2532 (eliminate_degenerate_phis): Likewise.
2533 (pass_phi_only_cprop): New pass descriptor.
2534 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2535 support code. Callers updated.
2536 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2537 (store_copy_prop): Likewise.
2538 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2540 2006-03-20 Jason Merrill <jason@redhat.com>
2543 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2544 (push_visibility, pop_visibility): Likewise.
2545 * c-pragma.h: Declare them.
2547 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2549 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2551 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2552 parameter and use get_ebb_head_tail.
2553 (sh_md_init_global): Adjust uses of find_regmode_weight.
2555 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2557 * function.h (struct function) <x_tail_recursion_reentry>:
2558 Rename to x_stack_check_probe_note.
2559 (tail_recursion_reentry): Rename to stack_check_probe_note.
2560 * function.c: Replace tail_recursion_reentry with
2561 stack_check_probe_note everywhere.
2562 (expand_function_start): Only emit a note for
2563 stack_check_probe_note with -fstack-protect.
2564 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2566 * emit-rtl.c (remove_unnecessary_notes): Remove.
2567 (pass_remove_unnecessary_notes): Remove.
2568 * rtl.h (remove_unnecessary_notes): Remove prototype.
2569 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2570 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2571 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2573 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2576 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2577 (valid_in_set): Handle ARRAY_REF.
2578 Change "if min_variant or VH" to asserts.
2579 (create_component_ref_by_pieces): Handle ARRAY_REF.
2580 (create_expression_by_pieces): Likewise.
2581 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2583 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2585 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2586 is operand of switch, not str[0].
2588 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2590 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2591 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2593 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2595 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2596 end of insn_extra_address_constraint declaration.
2598 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2600 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2601 (no-sum-in-toc): Same.
2602 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2604 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2605 NO_FP_IN_TOC for -fPIC instead of mask.
2607 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2608 (BOOT_LDFLAGS): Delete.
2610 * config/rs6000/t-aix52: Same.
2612 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2613 (stmsi[345678]_power): New.
2615 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2617 * config/ia64/ia64.opt: Add empty line to end of file.
2619 2006-03-17 Richard Guenther <rguenther@suse.de>
2622 * builtins.c (get_pointer_alignment): For component style references
2623 adjust alignment to the component type alignment. Make sure
2624 to adjust alignment for component access of constants.
2626 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2628 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2631 2006-03-17 Paul Brook <paul@codesourcery.com>
2633 * doc/install.texi: Docuemnt --with-mode.
2634 * config.gcc: Add --with-mode for arm*-*-*.
2635 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2637 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2639 * sh.c (max_labelno_before_reorg): New variable.
2640 (sh_reorg): Initialize it.
2641 (find_barrier): Check max_labelno_before_reorg before using
2642 label_to_alignment. Take length of explicit alignment insns
2643 into account. When seeing a UNSPECV_CONST_END, return it.
2645 * sh.c (fixup_mova): Set mode of affected label to QImode.
2646 (untangle_mova): New function.
2647 (find_barrier): Use it. Check mode of label before decrementing
2649 (sh_reorg): Likewise.
2650 Set mode of all insns back to VOIDmode.
2652 * sh.c (MOVA_LABELREF): New macro.
2653 (mova_p, fixup_mova, sh_reorg): Use it.
2654 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2655 ADDR_DIFF_VEC matches mova.
2657 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2659 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2660 with ATTRIBUTE_UNUSED.
2662 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2664 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2665 pointer, instead of assuming it is possible to derive the
2666 correct args size from a call insn.
2668 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2670 * rtl.h (CONST_INT_P): Define.
2671 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2672 instead of GET_CODE(x) == CONST_INT.
2673 (vax_rtx_costs): Likewise.
2674 (vax_output_int_move): Likewise.
2675 (vax_output_int_add): Likewise.
2676 (legitimate_constant_address_p): Likewise.
2677 (index_term_p): Likewise.
2678 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2679 * config/vax/vax.md (and<mode>3): Likewise.
2680 (ashrsi3): Likewise.
2682 (movstricthi): Likewise.
2683 (movstrictqi): Likewise.
2684 (rotrsi3): Likewise.
2685 (five unnamed insns): Likewise.
2687 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2689 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2690 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2691 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2692 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2693 Pass to ASM_OUTPUT_DWARF_OFFSET.
2694 * dwarf2out.c (debug_frame_section): New.
2695 (output_call_frame_info): Use debug_frame_section. Pass it to
2696 dw2_asm_output_offset.
2697 (output_die): Pass appropriate section to dw2_asm_output_offset.
2698 (output_compilation_unit_header): Likewise.
2699 (output_pubnames): Likewise.
2700 (output_aranges): Likewise.
2701 (enum dw_val_class): Break dw_val_class_lbl_offset into
2702 dw_val_class_lineptr and dw_val_class_macptr.
2703 (add_AT_lbl_offset): Delete.
2704 (add_AT_lineptr): New.
2705 (add_AT_macptr): New.
2706 (AT_lbl): Expect a lineptr or macptr.
2707 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2708 (attr_checksum): Likewise.
2709 (same_dw_val_p): Likewise.
2710 (size_of_die): Likewise.
2711 (value_format): Likewise.
2712 (output_die): Likewise.
2713 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2715 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2716 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2717 * config/darwin-protos.h (darwin_file_start): New.
2718 (darwin_asm_output_dwarf_offset): New.
2719 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2720 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2722 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2723 if not EH section; simplify.
2724 (darwin_file_start): New.
2725 (darwin_asm_output_dwarf_offset): New.
2726 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2728 (DEBUG_INFO_SECTION): Likewise.
2729 (DEBUG_ABBREV_SECTION): Likewise.
2730 (DEBUG_ARANGES_SECTION): Likewise.
2731 (DEBUG_MACINFO_SECTION): Likewise.
2732 (DEBUG_LINE_SECTION): Likewise.
2733 (DEBUG_LOC_SECTION): Likewise.
2734 (DEBUG_PUBNAMES_SECTION): Likewise.
2735 (DEBUG_STR_SECTION): Likewise.
2736 (DEBUG_RANGES_SECTION): Likewise.
2737 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2738 (ASM_OUTPUT_DWARF_OFFSET): New.
2740 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2742 * config.gcc (tm_defines): Always add to previous value rather
2745 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2747 * config/mips/predicates.md (splittable_const_int_operand): New,
2748 split from move_operand.
2749 (splittable_symbolic_operand): New.
2750 (move_operand): Add commentary. Use splittable_const_int_operand.
2751 Inline mips_atomic_symbolic_constant_p.
2752 * config/mips/mips.md: Add combine splitters for handling moves
2753 of splittable_const_int_operands and splittable_symbolic_operands.
2754 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2755 (mips_split_symbol): Declare.
2756 (mips_move_integer): Declare.
2757 * config/mips/mips.c (mips_split_p): Make global.
2758 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2759 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2760 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2761 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2762 (mips_offset_within_object_p): Handle block symbols.
2763 (mips_atomic_symbolic_constant_p): Delete.
2764 (mips_cannot_force_const_mem): Return false for constants that
2765 mips_legitimize_move can handle.
2766 (mips_use_blocks_for_constant_p): New function.
2767 (mips_split_symbol): Make global.
2768 (mips_move_integer): Likewise. Add a temporary register argument.
2769 (mips_legitimize_const_move): Use splittable_const_int_operand and
2770 splittable_symbolic_operand.
2771 (mips_use_anchors_for_symbol_p): New function.
2772 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2773 (mips_split_p): Declare.
2775 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2777 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2778 (mips*-*-linux*): Likewise.
2780 2006-03-16 Roger Sayle <roger@eyesopen.com>
2781 Daniel Speyer <dspeyer@wam.umd.edu>
2784 * tree-dump.c (dump_real): New function.
2785 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2786 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2787 (tree-dump.o): Add $(REAL_H) to the dependencies.
2789 2006-03-16 Roger Sayle <roger@eyesopen.com>
2792 * real.c (real_from_string): If the mantissa is zero, don't bother
2793 parsing the exponent as the result should always be zero.
2795 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2797 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2799 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2801 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2802 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2803 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2804 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2805 ia64_sched_finish_global): New static functions to implement
2806 hooks from gcc_target.sched.
2807 (spec_check_no, max_uid, pending_data_specs): New static variables.
2808 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2809 ia64_spec_check_src_p): New static functions.
2810 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2811 (TARGET_SCHED_ADJUST_COST): Removed.
2812 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2813 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2814 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2815 TARGET_SCHED_GEN_CHECK,
2816 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2817 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2818 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2819 Fixed to handle speculation checks.
2820 (rtx_needs_barrier): Fixed to handle speculative loads and
2822 (ia64_variable_issue): Added code to count speculative loads and their
2824 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2826 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2828 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2830 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2831 (ia64_reorg): Reset stops_p to NULL after it is freed.
2832 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2833 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2834 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2836 (data_speculative, control_speculative, check_load): New attributes.
2837 (mov<mode>_advanced, mov<mode>_speculative,
2838 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2839 zero_extend<mode>di2_speculative,
2840 zero_extend<mode>di2_speculative_advanced): New patterns for
2841 data and control speculative loads.
2842 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2844 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2845 New pattern for data and control speculation checks.
2846 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2847 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2848 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2849 Auxiliary definitions for the patterns.
2850 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2851 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2853 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2855 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2856 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2857 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2858 New resource constraints.
2859 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2861 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2862 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2863 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2864 msched-in-control-spec, msched-ldc, msched-control-ldc,
2865 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2866 msched-prefer-non-control-spec-insns,
2867 msched-count-spec-in-critical-path): New flags to tune speculative
2869 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2870 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2871 msched-in-control-spec, msched-ldc, msched-control-ldc,
2872 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2873 msched-prefer-non-control-spec-insns,
2874 msched-count-spec-in-critical-path): Document new flags.
2876 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2878 * target.h (struct spec_info_def): New opaque declaration.
2879 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2880 speculate_insn, needs_block_p, gen_check,
2881 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2882 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2883 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2884 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2885 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2886 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2888 (TARGET_SCHED): Use new macros.
2889 * rtl.h (copy_DEPS_LIST_list): New prototype.
2890 * sched-int.h (struct sched_info): Change signature of new_ready field,
2891 adjust all initializations. New fields: add_remove_insn,
2892 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2893 region_head_or_leaf_p.
2894 (struct spec_info_def): New structure declaration.
2895 (spec_info_t): New typedef.
2896 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2897 recovery_block, orig_pat.
2898 (glat_start, glat_end): New variables declaraions.
2899 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2901 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2902 DETACH_LIFE_INFO, USE_GLAT.
2903 (enum SPEC_SCHED_FLAGS): New enumeration.
2904 (NOTE_NOTE_BB_P): New macro.
2905 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2906 attach_life_info, debug_spec_status, check_reg_live): New functions.
2907 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2908 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2910 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2911 * ddg.c (get_block_head_tail): Adjust all uses.
2912 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2913 (sms_sched_info): Initialize new fields.
2914 (contributes_to_priority): Removed.
2915 * haifa-sched.c (params.h): New include.
2916 (get_block_head_tail): Adjust all uses.
2917 (ISSUE_POINTS): New macro.
2918 (glat_start, glat_end): New global variables.
2919 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2920 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2921 old_last_basic_block, before_recovery, current_sched_info_var,
2922 rgn_n_insns, luid): New static variables.
2923 (insn_cost1): New function. Move logic from insn_cost to here.
2924 (find_insn_reg_weight1): New function. Move logic from
2925 find_insn_reg_weight to here.
2926 (reemit_notes, move_insn, max_issue): Change signature.
2927 (move_insn1): Removed.
2928 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2929 extend_bb): New static functions to support extension of scheduler's
2931 (generate_recovery_code, process_insn_depend_be_in_spec,
2932 begin_speculative_block, add_to_speculative_block,
2933 init_before_recovery, create_recovery_block, create_check_block_twin,
2934 fix_recovery_deps): New static functions to support
2935 generation of recovery code.
2936 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2937 restore_bb_notes, move_block_after_check, move_succs): New static
2938 functions to support ebb scheduling.
2939 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2940 functions to support handling of register live information.
2941 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2942 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2943 add_jump_dependencies): New static functions.
2944 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2945 consistancy checking.
2946 (debug_spec_status): New function to call from debugger.
2947 (priority): Added code to handle speculation checks.
2948 (rank_for_schedule): Added code to distinguish speculative instructions.
2949 (schedule_insn): Added code to handle speculation checks.
2950 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2951 Fixed to handle ebbs.
2952 (move_insn): Added code to handle ebb scheduling.
2953 (max_issue): Added code to use ISSUE_POINTS of instructions.
2954 (choose_ready): Added code to choose between speculative and
2955 non-speculative instructions.
2956 (schedule_block): Added code to handle ebb scheduling and scheduling of
2957 speculative instructions.
2958 (sched_init): Initialize new variables.
2959 (sched_finish): Free new variables. Print statistics.
2960 (try_ready): Added code to handle speculative instructions.
2961 * lists.c (copy_DEPS_LIST_list): New function.
2962 * sched-deps.c (extend_dependency_caches): New function. Move logic
2963 from create_dependency_caches to here.
2964 (get_dep_weak, ds_merge): Make global.
2965 * genattr.c (main): Code to output prototype for
2966 dfa_clear_single_insn_cache.
2967 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2968 (output_dfa_clean_insn_cache_func): Code to output
2969 dfa_clear_single_insn_cache function.
2970 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2972 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2974 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2975 New static variables.
2976 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2977 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2979 (ebb_sched_info): Initialize new fields.
2980 (get_block_head_tail): Adjust all uses.
2981 (compute_jump_reg_dependencies): Fixed to use glat_start.
2982 (schedule_ebb): Code to remove unreachable last block.
2983 (schedule_ebbs): Added code to update register live information.
2984 * sched-rgn.c (region_sched_info): Initialize new fields.
2985 (get_block_head_tail): Adjust all uses.
2986 (last_was_jump): Removed. Adjust users.
2987 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2988 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2989 Implement new hooks.
2990 (check_dead_notes1): New static function.
2991 (struct region): New fields: dont_calc_deps, has_real_ebb.
2992 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2993 (BB_TO_BLOCK): Fixed to handle EBBs.
2994 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2995 (ebb_head): New static variable.
2996 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2997 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2999 (compute_dom_prob_ps): New assertion.
3000 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3001 global_live_at_start.
3002 (init_ready_list): New assertions.
3003 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3004 (new_ready): Add support for BEGIN_CONTROL speculation.
3005 (schedule_insns): Fixed code that updates register live information
3007 (schedule_region): Fixed to handle EBBs.
3008 (init_regions): Use extend_regions and check_dead_notes1.
3009 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3010 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3011 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3012 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3013 TARGET_SCHED_GEN_CHECK,
3014 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3015 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3016 * doc/invoke.texi (max-sched-insn-conflict-delay,
3017 sched-spec-prob-cutoff): Document.
3019 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3021 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3022 inter_tick, queue_index.
3023 (struct sched_info): Change signature of init_ready_list field.
3024 Adjust all initializations.
3025 (RESOLVED_DEPS): New access macro.
3026 (ready_add): Remove prototype.
3027 (try_ready): Add prototype.
3028 * sched-rgn.c (init_ready_list): Use try_ready.
3029 (schedule_region): Initialize
3030 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3031 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3032 (init_ready_list): Use try_ready.
3033 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3034 * lists.c (remove_list_elem): Remove `static'.
3035 (remove_free_INSN_LIST_elem): New function.
3036 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3037 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3038 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3040 (readyp): New variable.
3041 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3042 change_queue_index, resolve_dep): New static functions.
3043 (try_ready): New function. Adjust callers in sched-rgn.c and
3044 sched-ebb.c to use it instead of ready_add.
3045 (clock_var): Move at the begining of file.
3046 (rank_for_schedule): Fix typo.
3047 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3048 (ready_lastpos): Enforce assertion.
3049 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3051 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3052 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3053 (queue_to_ready): Use free_INSN_LIST_list.
3054 (early_queue_to_ready): Fix typo.
3055 (schedule_block): Init readyp. Move init_ready_list call after the
3056 initialization of clock_var. Fix error in rejecting insn by
3057 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3058 that previously corrected INSN_TICKs. Add code for handling
3060 (set_priorities): Fix typo.
3061 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3062 Clarify comment and code that keeps current_sched_info->next_tail
3065 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3067 * sched-rgn.c (extend_rgns): New static function.
3068 (find_rgns): Use it.
3069 (gather_region_statistics, print_region_statistics): New static
3071 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3072 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3074 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3075 Andrey Belevantsev <abel@ispras.ru>
3077 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3078 * lists.c (unused_deps_list): New variable.
3079 (free_list): Add assertions to verify the proper distinguishing
3080 between INSN_LISTs and DEPS_LISTs.
3081 (find_list_elem, remove_list_elem, remove_list_node): New static
3083 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3084 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3085 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3086 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3088 (free_INSN_LIST_node): Likewise.
3089 * modulo-sched.c (current_sched_info): Initialize flags field.
3090 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3091 * rtl.def (DEPS_LIST): Define.
3092 * rtl.h: Declare new functions from lists.c.
3093 * sched-deps.c (spec_dependency_cache): New static variable.
3094 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3095 (add_dependence): Change return type to void. Move the logic to ...
3096 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3097 (delete_all_dependences): Add comment about forward_dependency_cache.
3098 Handle spec_dependency_cache. Handle DEPS_LISTs.
3099 (fixup_sched_groups): Clarify the change of priority of output
3100 and anti dependencies.
3101 (sched_analyze_2): Adjust add_dependence calls to create data
3102 speculative dependence.
3103 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3104 Adjust all callers. Handle DEPS_LISTS.
3105 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3106 presence of speculation.
3107 (init_dependency_caches, free_dependency_caches):
3108 Handle spec_dependency_cache.
3109 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3110 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3111 New static functions.
3112 (add_or_update_back_dep, add_or_update_back_forw_dep,
3113 add_back_forw_dep, delete_back_forw_dep): New functions.
3114 * sched-int.h (ds_t, dw_t): New typedefs.
3115 (struct sched_info): Add new field flags.
3116 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3117 Prototype new sched-deps.c functions.
3118 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3119 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3120 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3121 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3122 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3123 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3125 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3127 * sched-rgn.c (current_sched_info): Initialize flags field.
3128 (schedule_insns): Initialize current_sched_info before the sched_init
3130 * sched-ebb.c (current_sched_info): Initialize flags field.
3131 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3132 Call add_or_update_back_dep instead of add_dependence.
3133 Create control speculative dependencies.
3134 (schedule_insns): Initialize current_sched_info before the sched_init
3137 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3139 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3141 (sh_fallback_frame_state): Likewise.
3143 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3145 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3146 Do switch on default_use_cxa_atexit.
3147 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3148 * config/darwin-crt3.o: New.
3149 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3150 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3151 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3153 * config/rs6000/t-darwin: Move crt2.o building to here.
3154 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3155 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3158 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3160 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3161 from '! xxx' to '!xxx' for coding-style conformance.
3162 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3163 (EXTRA_CONSTRAINT): Likewise.
3164 * config/vax/vax.md (four unnamed insns): Likewise.
3166 2006-03-15 Paul Brook <paul@codesourcery.com>
3168 * config/arm/arm.c (minipool_pad): New.
3169 (add_minipool_forward_ref): Include pool alignment padding in address
3171 (push_minipool_fix): Set minipool_pad.
3172 (minipool_pad): Ditto.
3174 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3176 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3177 instead of GET_CODE() == MEM and REG_P() instead of
3179 (print_operand_address): Likewise.
3180 (vax_address_cost): Likewise.
3181 (vax_rtx_costs): Likewise.
3182 (vax_notice_update_cc): Likewise.
3183 (vax_output_int_add): Likewise.
3184 (INDEX_REGISTER_P): Likewise.
3185 (BASE_REGISTER_P): Likewise.
3186 (nonindexed_address_p): Likewise.
3187 (vax_mode_dependent_address_p): Likewise.
3188 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3189 (PRINT_OPERAND): Likewise.
3190 * config/vax/vax.md (ashlsi3): Likewise.
3191 (ashlsi3): Likewise.
3192 (some more unnamed insns): Likewise.
3194 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3196 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3197 iterator-style macro.
3198 (mark_control_dependent_edges_necessary): Update the use of
3199 EXECUTE_IF_CONTROL_DEPENDENT.
3201 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3203 * config/sh/predicates.md (cache_address_operand): Special.
3204 (ua_address_operand): Likewise.
3206 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3208 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3210 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3212 2006-03-15 Andreas Schwab <schwab@suse.de>
3214 * gensupport.c (identify_predicable_attribute): Don't free p_false
3215 when it is still in use.
3217 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3219 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3220 the default setting here.
3222 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3224 * tree-pass.h (pass_cfg): Remove.
3225 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3226 * passes.c (pass_cfg): Don't run it.
3228 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3230 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3231 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3233 (stack_regs_mentioned): Update the uses of
3234 stack_regs_mentioned_data. Don't access the array beyond its
3236 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3237 Don't include gt-reg-stack.h.
3239 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3240 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3242 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3245 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3248 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3250 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3252 2006-03-14 Richard Guenther <rguenther@suse.de>
3254 PR tree-optimization/26672
3255 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3258 2006-03-14 Richard Guenther <rguenther@suse.de>
3260 PR tree-optimization/26667
3261 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3262 node for the callees. Always allow inlining if it will shrink
3265 2006-03-14 Richard Guenther <rguenther@suse.de>
3268 * builtins.c (get_pointer_alignment): Prefer alignment
3269 information from decls over that from types.
3271 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3274 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3276 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3278 * config/rs6000/rs6000.opt (mdlmzb): New option.
3279 (msched-prolog, msched-epilog): Use Var not Mask.
3280 * doc/invoke.texi (-mdlmzb): Document.
3281 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3283 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3284 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3286 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3288 PR rtl-optimization/25739
3289 * bt-load.c (augment_live_range): Free tos pointer.
3291 * gensupport.c (identify_predicable_attribute): Free
3293 * gcov.c (create_file_names): Free name pointer.
3295 2006-03-13 Roger Sayle <roger@eyesopen.com>
3298 * stmt.c (emit_case_nodes): Handle the case where the index is a
3299 CONST_INT, where the comparison mode is specified by the index type.
3301 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3303 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3306 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3308 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3309 (*branch_fp_inverted): Likewise.
3311 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3314 * omp-low.c (expand_omp_for_generic): Mark istart0
3315 and iend0 as addressable.
3317 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3319 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3321 2006-03-13 Jeff Law <law@redhat.com>
3323 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3324 virtual operands are interesting.
3325 (vrp_visit_stmt): Corresponding changes.
3327 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3329 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3331 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3332 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3333 * config/bfin/crti.S: Use it instead of __PIC__.
3334 * config/bfin/crtn.S: Likewise.
3336 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3337 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3339 Lose 'G' modifier for call operand.
3340 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3341 recognize 'G' modifier.
3343 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3346 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3347 * stmt.c (expand_case): Likewise.
3349 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3351 PR rtl-optimization/26254
3352 * loop-invariant.c (seq_insns_valid_p): New function.
3353 (move_invariant_reg): Only emit new code if it is valid.
3355 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3357 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3359 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3360 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3361 (commit_one_edge_insertion): Do not look for loop notes.
3363 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3365 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3366 flag_test_coverage out of loop.
3368 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3370 * final.c (shorten_branches): Remove outdated comment, and turn
3371 the if branch that guards it to continue.
3373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3375 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3376 * cfgloop.h (struct loop): Remove unused fields.
3378 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3380 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3381 (-dL, -fdump-rtl-loop2): Update the dump file names
3383 * doc/invoke.texi: Update dump file names.
3385 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3387 * predict.c (estimate_probability): Remove.
3388 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3389 * basic-block.h (estimate_probability): Remove prototype.
3390 * passes.c (finish_optimization_passes): Dump branch prediction or
3391 profiling heuristics to the .profile tree dump.
3392 (init_optimization_passes): Unqueue pass_branch_prob.
3394 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3396 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3398 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3399 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3401 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3403 * function.h (frame_offset_overflow): Declare.
3404 * function.c (frame_offset_overflow): New function.
3405 (assign_stack_local_1): Call it to detect that the offset overflows.
3406 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3408 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3410 * config/sh/sh.c: Include alloc-pool.h.
3411 (label_ref_list_pool): New alloc pool.
3412 (label_ref_list_t): New type for lists of labels.
3413 (struct pool_node): Make wend a label_ref_list_t.
3414 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3416 (dump_table): Likewise.
3417 (sh_reorg): Set up the alloc pool before using add_constant and
3418 dump_table, and destroy it when finishing.
3420 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3422 * config/mips/mips.c: Remove redundant comment.
3424 2006-03-10 Jason Merrill <jason@redhat.com>
3427 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3428 the target was declared 'register'.
3430 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3432 * genpreds.c (write_insn_constraint_len): Change definition of
3433 insn_constraint_len to return size_t to match the declaration.
3435 2006-03-10 DJ Delorie <dj@redhat.com>
3437 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3439 (m32c_expand_insv): Fix test for an AND mask.
3441 2006-03-10 Richard Guenther <rguenther@suse.de>
3444 * builtins.c (get_pointer_alignment): Handle component
3445 references for field alignment.
3447 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3449 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3450 when building with libgloss.
3451 (sh*elf): Implement --without-fp option.
3452 (sh64-superh-linux*): Don't multilib.
3454 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3456 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3458 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3460 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3461 Set it when one of the replacement functions returned true.
3462 Return TODO_cleanup_cfg if cfgchanged is true.
3463 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3465 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3467 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3468 instead of gen_lowpart.
3470 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3472 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3474 (mips_output_order_conditional_branch): Declare.
3475 * config/mips/mips.h (MIPS_BRANCH): New macro.
3476 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3477 for the comparison. Use gen_condjump.
3478 (mips_output_conditional_branch): Rework interface to take the
3479 asm templates for a direct branch and the inverse of a direct branch.
3480 (mips_output_order_conditional_branch): New function.
3481 (mips_builtin_branch_and_move): New function.
3482 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3483 branch condition. Use gen_single_cc as the condition for
3484 __builtin_mips_upper_* or __builtin_mips_lower_*.
3485 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3486 Use VOIDmode for the branch condition.
3487 * config/mips/predicates.md (order_operator): New predicate.
3488 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3489 (branch_fp): Rename to...
3490 (*branch_fp): ...this. Remove mode from comparison operator.
3491 Use new mips_output_conditional_branch interface.
3492 (branch_fp_inverted): Rename to...
3493 (*branch_fp_inverted): ...this and update as for *branch_fp.
3494 (*branch_zero<mode>): Rename to...
3495 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3496 Use mips_output_order_conditional_branch. Only accept ordered
3498 (*branch_zero<mode>_inverted): Rename to...
3499 (*branch_order<mode>_inverted): ...this and update as for
3500 *branch_order<mode>.
3501 (*branch_equality<mode>): Accept zero as the second operand to
3502 the equality operator. Use the new mips_output_conditional_branch
3504 (*branch_equality<mode>_inverted): Likewise.
3505 (condjump): New expander.
3506 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3508 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3509 (bc1any2t, bc1any2f): Likewise.
3510 (single_cc): New expander.
3511 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3513 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3515 * doc/md.texi: Update documentation of MIPS constraints.
3516 * config/mips/constraints.md: New file.
3517 * config/mips/mips.md: Include it.
3518 * config/mips/mips.c (mips_char_to_class): Delete.
3519 (override_options): Don't initialize mips_char_to_class.
3520 * config/mips/mips.h (mips_char_to_class): Delete.
3521 (REG_CLASS_FROM_LETTER): Delete.
3522 (CONST_OK_FOR_LETTER_P): Delete.
3523 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3524 (EXTRA_CONSTRAINT_Y): Delete.
3525 (EXTRA_CONSTRAINT_STR): Delete.
3526 (CONSTRAINT_LEN): Delete.
3527 (EXTRA_MEMORY_CONSTRAINT): Delete.
3529 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3531 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3532 original fn's eh regions.
3534 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3536 * fold-const.c (build_range_check): Make sure to use a valid type to
3537 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3540 (range_predecessor): New static function.
3541 (range_successor): Likewise.
3542 (merge_ranges): Use them to compute predecessors and successors of
3545 2006-03-09 Roger Sayle <roger@eyesopen.com>
3548 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3549 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3551 2006-03-08 DJ Delorie <dj@redhat.com>
3553 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3554 (addpsi3): Expand to include memory operands. Remove
3555 reload-specific splits.
3556 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3557 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3558 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3559 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3560 (shift1_qi, shift1_hi, insv): New.
3561 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3562 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3563 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3565 * config/m32c/m32c-protos.h: Update as needed.
3566 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3567 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3568 Fail for unrecognized R* constraints.
3569 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3570 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3571 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3573 (m32c_init_libfuncs): New.
3574 (m32c_legitimate_address_p): Add debug wrapper.
3575 (m32c_rtx_costs): New.
3576 (m32c_address_cost): New.
3577 (conversions): Add 'B' prefix.
3578 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3579 operands, or word regnames for QI operands. 'B' prints bit
3581 (m32c_expand_setmemhi): New.
3582 (m32c_expand_movmemhi): New.
3583 (m32c_expand_movstr): New.
3584 (m32c_expand_cmpstr): New.
3585 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3586 (m32c_expand_neg_mulpsi3): Handle non-ints.
3587 (m32c_cmp_flg_0): New.
3588 (m32c_expand_movcc): New.
3589 (m32c_expand_insv): New.
3590 (m32c_scc_pattern): New.
3591 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3592 a0/a1 out of SIregs.
3593 (STORE_FLAG_VALUE): New.
3594 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3597 * config/m32c/mov.md: Make constraints more liberal.
3598 (zero_extendqihi2): Optimize r0/r1 case.
3599 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3600 * config/m32c/predicates.md (m32c_any_operand): New.
3601 (m32c_nonimmediate_operand): New.
3602 (m32c_hl_operand): New.
3603 (m32c_r3_operand): New.
3606 (memsym_operand): New.
3607 (memimmed_operand): New.
3608 (a_qi_operand): New.
3609 (m32c_eqne_operator): New.
3610 (m32c_1bit8_operand): New.
3611 (m32c_1bit16_operand): New.
3612 (m32c_1mask8_operand): New.
3613 (m32c_1mask16_operand): New.
3614 * config/m32c/blkmov.md: New file.
3615 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3617 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3619 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3620 unsigned to fix signed/unsigned comparison issue in
3621 DWARF2_FRAME_REG_OUT.
3622 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3623 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3625 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3626 of ptr into the ENABLE_CHECKING section.
3628 2006-03-08 Jeff Law <law@redhat.com>
3630 * tree-vrp.c (infer_value_range): Only count pointer uses
3631 and dereferences if -fdelete-null-pointer-checks is enabled.
3633 * tree-vrp.c (find_assert_locations): Infer value ranges for
3634 single use pointers, but do not create ASSERT_EXPRs for them.
3635 When a non-null range is inferred for a pointer, backwards
3636 propagate that range to other equivalent pointers through the
3639 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3642 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3643 language hook targets.
3644 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3645 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3646 if language hook targets were missing.
3648 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3650 * tree-ssa-opfinalize.h: Removed.
3651 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3653 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3654 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3655 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3656 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3657 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3658 finalize_ssa_v_must_def_ops): New.
3660 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3662 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3665 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3667 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3669 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3670 addresses with offsets; reorganize.
3672 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3673 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3674 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3676 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3679 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3681 2006-03-08 Ben Elliston <bje@au.ibm.com>
3683 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3685 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3688 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3691 2006-03-07 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/26587
3694 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3696 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3698 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3700 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3702 * hooks.c (hook_bool_mode_rtx_true): New function.
3703 * hooks.h (hook_bool_mode_rtx_true): Declare.
3704 * toplev.c (compile_file): Call output_shared_constant_pool.
3705 * varasm.c (shared_constant_pool): New variable.
3706 (assemble_start_function, assemble_end_function): Remove arguments
3707 from call to output_constant_pool.
3708 (create_constant_pool): New function, split out from...
3709 (init_varasm_status): ...here.
3710 (force_const_mem): Choose between the shared and per-function constant
3711 pools. Set current_function_uses_const_pool when reusing old entries
3712 as well as when creating new ones.
3713 (mark_constant): Ignore data argument.
3714 (mark_constants): Remove pool argument.
3715 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3716 to decide whether the function uses a constant pool.
3717 (output_constant_pool_contents): New function, split out from...
3718 (output_constant_pool): ...here.
3719 (output_shared_constant_pool): New function.
3720 (init_varasm_once): Initialize shared_constant_pool.
3721 * output.h (output_constant_pool): Delete.
3722 (output_shared_constant_pool): Declare.
3723 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3724 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3726 2006-03-06 Nick Clifton <nickc@redhat.com>
3728 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3729 flag_strength_reduce.
3731 2006-03-06 Ben Elliston <bje@au.ibm.com>
3733 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3734 x86_64-*-linux* configurations.
3736 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3737 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3739 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3741 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3743 * basic-block.h: Remove the extern for
3744 rediscover_loops_after_threading.
3746 * cfgloop.c (cancel_loop): Make it static.
3747 * cfgloop.h: Remove the prototype for cancel_loop.
3749 * flow.c (recompute_reg_usage): Make it static.
3750 * rtl.h: Remove the prototype for recompute_reg_usage.
3752 * function.c (use_return_register): Make it static.
3753 * function.h: Remove the prototype.
3755 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3757 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3759 * recog.h: Remove the prototype for
3760 validate_change_maybe_volatile.
3762 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3764 * rtlanal.c (replace_reg): Remove.
3765 * rtl.h: Remove the prototype for replace_reg.
3767 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3769 * regclass.c (reg_scan_update): Remove.
3770 (reg_scan_mark_refs): Remove the last argument.
3771 * rtl.h: Remove the prototype for reg_scan_update.
3773 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3775 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3776 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3777 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3778 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3779 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3780 loop-invariant.c, omp-low.c, opts.c, passes.c,
3781 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3782 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3783 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3784 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3785 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3786 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3788 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3790 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3791 * dwarf2out.h: Remove the prototype for
3792 dwarf2out_add_library_unit_info.
3794 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3796 * tree.c (add_var_to_bind_expr): Remove.
3797 * tree.h: Remove the prototype for add_var_to_bind_expr.
3799 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3801 * regclass.c (n_non_fixed_regs): Remove.
3802 (init_reg_sets_1, globalize_reg): Remove all uses of
3804 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3808 * rtlanal.c (insns_safe_to_move_p): Remove.
3809 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3811 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3813 * expmed.c (expand_mult_add): Remove.
3814 * expr.h: Remove the prototype for expand_mult_add.
3816 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3818 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3819 and REG_SAVED_VAL_EXP constants.
3820 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3821 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3822 Handle regs stored by value.
3823 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3824 (execute_cfa_program): Handle DW_CFA_val_offset,
3825 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3826 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3827 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3828 (uw_install_context_1): Handle target regs stored by value.
3830 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3832 * tree-sra.c (tree_sra): Return todoflags;
3833 (generate_one_element): Set TODO_update_smt_usage if needed.
3834 (pass_sra): Remove TODO_update_smt_usage.
3835 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3837 (tree_ssa_forward_propagate_single_use_vars): Return
3838 TODO_update_smt_usage if we need to update SMT usage.
3839 (pass_forwprop): Remove TODO_update_smt_usage.
3841 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3843 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3844 (correct_use_link): Remove reference to get_stmt_operands.
3845 (update_stmt_operands): Likewise.
3846 (get_modify_expr_operands): New function factored out of
3847 parse_ssa_operands and get_expr_operands.
3848 Try to create V_MUST_DEFs for LHS by default.
3849 (get_expr_operands) <case MODIFY_EXPR>: Call
3850 get_modify_expr_operands.
3851 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3852 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3853 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3854 get_modify_expr_operands.
3856 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3858 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3859 * tree-flow.h: Remove the prototype for
3860 referenced_var_lookup_if_exists.
3862 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3864 PR rtl-optimization/26345
3866 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3868 2006-03-03 Roger Sayle <roger@eyesopen.com>
3870 PR tree-optimization/26524
3871 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3872 fold_convert to create a constant of the appropriate type.
3874 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3876 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3877 SYMBOL_REF_IN_BLOCK_P.
3878 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3879 of SYMBOL_FLAG_IN_BLOCK.
3880 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3881 instead of SYMBOL_REF_IN_BLOCK_P.
3882 * explow.c (use_anchored_address): Likewise.
3883 * rtl.c (rtx_size): Likewise.
3884 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3885 instead of SYMBOL_FLAG_IN_BLOCK.
3886 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3887 SYMBOL_REF_IN_BLOCK_P.
3888 (assemble_variable): Likewise.
3889 (output_constant_def_contents): Likewise.
3890 (output_constant_pool): Likewise.
3891 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3892 instead of SYMBOL_FLAG_IN_BLOCK.
3893 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3894 SYMBOL_REF_IN_BLOCK_P.
3895 (SYMBOL_REF_BLOCK): Likewise.
3896 (SYMBOL_REF_OFFSET): Likewise.
3897 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3898 SYMBOL_REF_IN_BLOCK_P.
3899 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3900 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3901 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3902 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3904 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3906 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3908 2006-03-02 Roger Sayle <roger@eyesopen.com>
3910 * simplify-rtx.c (simplify_unary_operation): When simplifying
3911 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3912 that we perform the right shift in the appropriate mode, and
3913 then extend or truncate the result to requested mode.
3915 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3917 * gengtype.c (main): Handle double_int type.
3918 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3919 * double-int.c: New file.
3920 * double-int.h: New file.
3921 * system.h: Include doubleint.h.
3922 * Makefile.in (SYSTEM_H): Include double-int.h.
3923 (double-int.o): Add.
3925 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3928 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3931 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3933 * tree-vrp.c (remove_range_assertions): Do not update statements
3936 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3938 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3940 * gcse.c (rest_of_handle_gcse): Ditto.
3941 * except.c (gate_handle_eh): Ditto.
3942 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3943 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3945 2006-03-02 Eric Christopher <echristo@apple.com>
3947 * config/i386/i386.c (machopic_output_stub): Add indirection to
3950 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3954 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3956 Sun Niagara specific optimizations.
3957 * config.gcc: Recognize niagara as target.
3958 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3959 (TARGET_CPU_niagara): Define.
3960 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3961 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3962 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3963 (ASM_CPU_SPEC): Likewise.
3964 (PROCESSOR_NIAGARA): New enum entry.
3965 (REGISTER_MOVE_COST): Handle Niagara.
3966 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3967 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3968 (sparc_override_options): Recognize "niagara", set appropriate
3969 default MASK_* values for it, and align functions to 32-bytes
3970 by default just like ULTRASPARC/ULTRASPARC3.
3971 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3972 (sparc64_initialize_trampoline): Likewise.
3973 (sparc_use_sched_lookahead): Use zero for niagara.
3974 (sparc_issue_rate): Use one for niagara.
3975 * config/sparc/niagara.md: New file.
3976 * config/sparc/sparc.md: Include it.
3977 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3978 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3979 when default cpu is niagara.
3980 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3981 (ASM_CPU_SPEC): Likewise.
3982 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3983 when default cpu is niagara.
3984 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3985 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3986 just like v9/ultrasparc/ultrasparc3.
3987 * doc/invoke.texi: Add documentation for "niagara" and improve
3988 existing documentation for ultrasparc variants.
3990 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3992 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3994 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3996 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3997 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3998 and say that only one is needed.
3999 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4000 * target.h (have_switchable_bss_sections): New hook.
4001 * explow.c (use_anchored_address): Check that the symbol is in a block.
4002 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4003 (bss_noswitch_section): New variables.
4004 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4005 (get_noswitch_section): New function.
4006 (get_block_for_section): Allow SECT to be null.
4007 (unlikely_text_section_p): Use SECTION_STYLE.
4008 (bss_initializer_p): New function.
4009 (get_variable_section): Move earlier in file. Take a new argument,
4010 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4011 Return one of the new *_sections in such cases.
4012 (get_block_for_decl): New function, extracting some logic from
4013 use_blocks_for_decl_p.
4014 (change_symbol_section): Remove in favor of...
4015 (change_symbol_block): ...this new function.
4016 (use_blocks_for_decl_p): Remove checks now performed by
4018 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4019 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4020 (emit_local, emit_bss, emit_common): ...these new functions.
4021 Return true if the alignment was honored.
4022 (emit_tls_common): New function.
4023 (asm_emit_uninitialised): Delete.
4024 (assemble_variable_noswitch): New function, split out from...
4025 (assemble_variable): ...here. Don't make decisions about common
4026 variables here. Globalize all public decls that go into non-common
4027 sections. Check whether SYMBOL_REF_BLOCK is null.
4028 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4029 (output_constant_pool): Likewise.
4030 (init_varasm_once): Initialize the new section variables.
4031 (have_global_bss_p): New function.
4032 (categorize_decl_for_section): Use bss_initializer_p.
4033 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4034 (place_block_symbol): Assert that the symbol must be in a block.
4035 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4036 (TARGET_INITIALIZER): Include it.
4037 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4038 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4039 (SECTION_MACH_DEP): Bump by two.
4040 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4041 (unnamed_section): Mention SECTION_UNNAMED in comment.
4042 (named_section): Likewise SECTION_NAMED.
4043 (noswitch_section_callback): New type.
4044 (noswitch_section): New structure.
4045 (section): Add a noswitch_section alternative.
4046 (SECTION_STYLE): New macro.
4047 (tls_comm_section, comm_section, lcomm_section): Declare.
4048 (bss_noswitch_section, have_global_bss_p): Declare.
4049 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4050 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4052 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4053 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4056 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4058 * gcc/tree-vrp.c (execute_vrp): Return value.
4059 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4060 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4061 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4062 (tree_lower_complex_O0): Ditto.
4063 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4064 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4065 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4066 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4067 (execute_tail_calls): Ditto.
4068 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4069 * gcc/tree.h (init_function_for_compilation): Ditto.
4070 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4071 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4072 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4073 * gcc/final.c (compute_alignments): Ditto.
4074 (rest_of_handle_final): Ditto.
4075 (rest_of_handle_shorten_branches): Ditto.
4076 (rest_of_clean_state): Ditto.
4077 * gcc/omp-low.c (execute_expand_omp): Ditto.
4078 (execute_lower_omp): Ditto.
4079 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4080 * gcc/ipa-reference.c (static_execute): Ditto.
4081 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4082 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4083 (rest_of_handle_machine_reorg): Ditto.
4084 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4085 * gcc/flow.c (recompute_reg_usage): Ditto.
4086 (rest_of_handle_remove_death_notes): Ditto.
4087 (rest_of_handle_life): Ditto.
4088 (rest_of_handle_flow2): Ditto.
4089 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4090 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4091 (do_ssa_store_ccp): Ditto.
4092 (execute_fold_all_builtins): Ditto.
4093 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4094 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4095 * gcc/ipa-pure-const.c (static_execute): Ditto.
4096 * gcc/cse.c (rest_of_handle_cse): Ditto.
4097 (rest_of_handle_cse2): Ditto.
4098 * gcc/web.c (rest_of_handle_web): Ditto.
4099 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4100 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4101 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4102 * gcc/tree-nrv.c (tree_nrv): Ditto.
4103 (execute_return_slot_opt): Ditto.
4104 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4105 (create_structure_vars): Ditto.
4106 * gcc/loop-init.c (rtl_loop_init): Ditto.
4107 (rtl_loop_done): Ditto.
4108 (rtl_move_loop_invariants): Ditto.
4109 (rtl_unswitch): Ditto.
4110 (rtl_unroll_and_peel_loops): Ditto.
4111 (rtl_doloop): Ditto.
4112 * gcc/gimple-low.c (lower_function_body): Ditto.
4113 (mark_used_blocks): Ditto.
4114 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4115 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4116 (cgraph_early_inlining): Ditto.
4117 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4118 * gcc/jump.c (cleanup_barriers): Ditto.
4119 (purge_line_number_notes): Ditto.
4120 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4121 (rest_of_handle_if_after_reload): Ditto.
4122 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4123 (tree_ssa_loop_im): Ditto.
4124 (tree_ssa_loop_unswitch): Ditto.
4125 (tree_vectorize): Ditto.
4126 (tree_linear_transform): Ditto.
4127 (tree_ssa_loop_ivcanon): Ditto.
4128 (tree_ssa_empty_loop): Ditto.
4129 (tree_ssa_loop_bounds): Ditto.
4130 (tree_complete_unroll): Ditto.
4131 (tree_ssa_loop_prefetch): Ditto.
4132 (tree_ssa_loop_ivopts): Ditto.
4133 (tree_ssa_loop_done): Ditto.
4134 * gcc/predict.c (tree_estimate_probability): Ditto.
4135 * gcc/recog.c (split_all_insns_noflow): Ditto.
4136 (rest_of_handle_peephole2): Ditto.
4137 (rest_of_handle_split_all_insns): Ditto.
4138 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4139 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4140 (rest_of_handle_stack_adjustments): Ditto.
4141 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4142 * gcc/function.c (instantiate_virtual_regs): Ditto.
4143 (init_function_for_compilation): Ditto.
4144 (rest_of_handle_check_leaf_regs): Ditto.
4145 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4146 (rest_of_handle_gcse): Ditto.
4147 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4148 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4149 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4150 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4151 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4152 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4153 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4154 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4155 * gcc/except.c (set_nothrow_function_flags): Ditto.
4156 (convert_to_eh_region_ranges): Ditto.
4157 (rest_of_handle_eh): Ditto.
4158 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4159 (remove_unnecessary_notes): Ditto.
4160 * gcc/except.h (set_nothrow_function_flags): Ditto.
4161 (convert_to_eh_region_ranges): Ditto.
4162 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4163 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4164 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4165 (execute_fre): Ditto.
4166 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4167 (rest_of_handle_jump2): Ditto.
4168 * gcc/tree-sra.c (tree_sra): Ditto.
4169 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4170 (execute_mudflap_function_decls): Ditto.
4171 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4172 (do_store_copy_prop): Ditto.
4173 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4174 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4175 * gcc/tree-ssa-forwprop.c
4176 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4177 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4178 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4179 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4180 (execute_late_warn_uninitialized): Ditto.
4181 * gcc/rtl.h (cleanup_barriers): Ditto.
4182 (split_all_insns_noflow): Ditto.
4183 (purge_line_number_notes): Ditto.
4184 (unshare_all_rtl): Ditto.
4185 (remove_unnecessary_notes): Ditto.
4186 (recompute_reg_usage): Ditto.
4187 (variable_tracking_main): Ditto.
4188 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4189 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4190 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4191 (execute_free_cfg_annotations): Ditto.
4192 (execute_fixup_cfg): Ditto.
4193 (execute_cleanup_cfg_pre_ipa): Ditto.
4194 (execute_cleanup_cfg_post_optimizing): Ditto.
4195 (execute_init_datastructures): Ditto.
4196 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4197 * gcc/combine.c (rest_of_handle_combine): Ditto.
4198 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4199 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4200 (rest_of_handle_reorder_blocks): Ditto.
4201 (rest_of_handle_partition_blocks): Ditto.
4202 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4203 * gcc/tree-profile.c (tree_profiling): Ditto.
4204 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4205 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4206 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4207 (rest_of_handle_sched2): Ditto.
4208 * gcc/basic-block.h (free_bb_insn): Ditto.
4209 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4210 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4211 (remove_useless_stmts): Ditto.
4212 (split_critical_edges): Ditto.
4213 (execute_warn_function_return): Ditto.
4214 (execute_warn_function_noreturn): Ditto.
4215 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4216 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4217 * gcc/passes.c (execute_one_pass): Run additional
4218 todos returned by execute function.
4219 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4222 2006-03-02 Richard Guenther <rguenther@suse.de>
4224 * tree-ssa-alias.c (find_used_portions): Consider taking
4225 the address as making the variable not write-only.
4227 2006-03-02 Nick Clifton <nickc@redhat.com>
4229 * config.gcc (default_use_cxa_atexit): Extend the description of
4230 this configure variable. Set its default value to "yes" for
4231 Linux, NetBSD and ELF targets on the assumption that they will
4232 use C libraries with the __cxa_atexit function.
4234 2006-03-02 Ben Elliston <bje@au.ibm.com>
4236 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4237 parameter as unused to suppress a build warning.
4239 2006-03-02 Ben Elliston <bje@au.ibm.com>
4241 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4244 2006-03-01 Roger Sayle <roger@eyesopen.com>
4247 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4248 declared name, the weak reference name, and the typeof name.
4249 (__gthrw): Avoid expanding the declared name suffix.
4250 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4252 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4254 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4256 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4257 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4258 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4259 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4260 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4261 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4262 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4263 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4264 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4265 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4266 (DW_END_default, DW_END_big, DW_END_little): New.
4267 (DW_END_lo_user, DW_END_hi_user): Define.
4268 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4269 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4270 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4273 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4275 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4277 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4279 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4281 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4283 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4284 to 'symbol_mem_tag'.
4286 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4289 2006-03-01 Roger Sayle <roger@eyesopen.com>
4291 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4293 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4296 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4297 MACHO_DYNAMIC_NO_PIC_P.
4298 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4300 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4303 * config/darwin-protos.h (darwin_asm_output_anchor):
4305 * config/darwin-sections.def (cstring_section):
4306 Add SECTION_MERGE to the flags.
4307 (literal4_section): Likewise.
4308 (literal8_section): Likewise.
4309 (objc_selector_refs_section): Likewise.
4310 (objc_cls_refs_section): Likewise.
4311 * config/darwin.c (darwin_asm_output_anchor): New
4313 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4315 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4317 Fix PR tree-optimization/26443
4318 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4319 to todo and PROP_tmt_usage to properties_destroyed.
4320 * tree-ssa-ccp.c (pass_ccp): Ditto.
4321 (pass_store_ccp): Ditto.
4322 * tree-ssa-dom.c (pass_dominator): Ditto.
4324 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4326 * tree-ssa-operands.c: Cleanup whitespace.
4327 (get_asm_expr_operands): Move before first invocation.
4328 (get_indirect_ref_operands): Likewise.
4329 (get_tmr_operands): Likewise.
4330 (get_call_expr_operands): Likewise.
4331 (append_def): Likewise.
4332 (append_use): Likewise.
4333 (append_v_may_def): Likewise.
4334 (append_v_must_def): Likewise.
4335 (add_call_clobber_ops): Likewise.
4336 (add_call_read_ops): Likewise.
4337 (add_stmt_operand): Likewise.
4338 (add_virtual_operand): Likewise.
4339 (build_ssa_operands): Likewise.
4341 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4346 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4347 with a call expr to ...
4348 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4350 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4352 * tree-vrp.c (extract_range_from_assert): Remove special
4353 handling for types with super-types.
4355 2006-03-01 Ben Elliston <bje@au.ibm.com>
4357 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4358 and powerpc64-*-linux* configurations.
4359 * config/t-dfprules: New file.
4361 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4362 Compile dfp-bit.c from the source directory using -DWIDTH and
4363 $DFP_CFLAGS to control the compilation of that file, rather than
4364 generating width-specific versions in the build directory.
4365 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4366 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4368 2006-02-28 Zack Weinberg <zackw@panix.com>
4370 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4373 2006-02-28 Eric Christopher <echristo@apple.com>
4375 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4376 Set up IN_LIBGCC definition of TARGET_64BIT.
4377 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4379 2006-02-28 Roger Sayle <roger@eyesopen.com>
4382 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4383 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4384 cases via the construction of "expr != 0".
4386 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4388 * alias.c (alias_invariant, alias_invariant_size): Remove.
4389 (record_base_value): Remove.
4390 (memrefs_conflict_p): Don't look at alias_invariant.
4391 (end_alias_analysis): Don't free it.
4392 * alias.h (record_base_value): Remove prototype.
4394 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4395 Adam Nemet <anemet@caviumnetworks.com>
4397 * rtl.h (truncated_to_mode): Declare it.
4398 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4399 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4400 (RTL_HOOKS_INITIALIZER): Include it.
4401 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4402 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4403 reg_truncated_to_mode.
4404 * rtlanal.c (truncated_to_mode): Define it.
4405 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4407 2006-02-28 Jeff Law <law@redhat.com>
4409 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4410 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4411 the range allowed by TYPE_PRECISION.
4413 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4415 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4417 PR tree-optimization/26419
4418 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4421 2006-02-27 Zack Weinberg <zackw@panix.com>
4423 * doc/md.texi: Fix typo in previous change.
4425 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4429 2006-02-27 Zack Weinberg <zackw@panix.com>
4431 * rtl.def (define_constraint, define_register_constraint)
4432 (define_memory_constraint, define_address_constraint): New MD forms.
4433 * gensupport.c (process_rtx): Put define_constraint etc on the
4435 * genpreds.c (process_define_predicate): Adjust comment. Validate
4436 the name, and call validate_exp to validate the expression.
4437 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4438 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4439 all callers changed.
4440 (validate_exp, needs_variable, struct constraint_data)
4441 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4442 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4443 (const_dbl_constraints, constraint_max_namelen)
4444 (have_register_constraints, have_memory_constraints)
4445 (have_address_constraints, have_address_constraints)
4446 (have_extra_constraints, have_const_int_constraints)
4447 (have_const_dbl_constraints, mangle, add_constraint)
4448 (process_define_constraint, process_define_register_constraint)
4449 (write_enum_constraint_num, write_lookup_constraint)
4450 (write_insn_constraint_len, write_regclass_for_constraint)
4451 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4452 (write_insn_extra_memory_constraint)
4453 (write_insn_extra_address_constraint)
4454 (write_satisfies_constraint_fns): New.
4455 (write_tm_preds_h): If we have new-style constraint definitions,
4456 prototype the functions generated from them, and define the
4457 old constraint interface (still used by generic code) in terms of
4459 (write_insn_preds_c): If we have new-style constraint definitions,
4460 generate all relevant functions from those definitions.
4461 (main): Handle define_constraint etc.
4462 * genoutput.c (struct constraint_data, indep_constraints)
4463 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4464 (mdep_constraint_len): New data structures and functions, defined
4465 #ifdef USE_MD_CONSTRAINTS.
4466 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4467 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4468 use new logic to validate operand constraints against constraint
4470 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4472 * defaults.h: If none of the old-style constraint macros are
4473 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4474 old-style macros; and poison REG_CLASS_FROM_LETTER,
4475 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4477 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4478 * doc/md.texi: Document new constraint-definition mechanism and the
4479 C interface it provides. Remove references to old mechanism
4480 elsewhere in the document.
4481 (Machine Constraints): Use pathnames relative to gcc directory,
4482 i.e. config/ARCH/FILE. Change i386 section to refer to
4483 config/i386/predicates.md; update that section to match docstrings.
4484 * doc/tm.texi: Move all documentation of the old constraint-
4485 definition macros to their own section, clearly mark as obsolete.
4487 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4488 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4490 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4491 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4492 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4494 (splits and peepholes): Use satisfies_constraint_*.
4495 * config/i386/i386.c (memory_address_length)
4496 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4498 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4500 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4501 scalar operation to be put back into the loop.
4503 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4506 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4507 (extract_cie_info): Handle S flag in augmentation string.
4508 (execute_cfa_program): If context->signal_frame, execute also
4509 fs->pc == context->ra instructions.
4510 (uw_frame_state_for): If context->signal_frame, don't subtract one
4511 from context->ra to find FDE.
4512 (uw_update_context_1): Set context->signal_frame to
4514 (_Unwind_GetIPInfo): New function.
4515 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4516 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4518 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4519 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4520 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4521 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4522 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4523 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4524 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4525 x86_64_fallback_frame_state): Set fs->signal_frame.
4526 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4527 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4528 (frob_update_context): Likewise. Workaround missing S flag in
4529 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4530 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4531 Remove the psw_addr + 1 hack.
4533 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4535 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4536 with aggregates here.
4537 (find_func_aliases): Remove code for &<aggregate> from here.
4539 2006-02-26 Roger Sayle <roger@eyesopen.com>
4541 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4542 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4543 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4546 2006-02-26 Roger Sayle <roger@eyesopen.com>
4549 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4551 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4553 * opts.c (decode_options): Do not handle flag_strength_reduce.
4554 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4555 and OPT_fstrength_reduce.
4556 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4557 flag_prefetch_loop_arrays for being nonzero.
4558 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4560 (fprefetch-loop-arrays-rtl): Removed.
4561 (flag_prefetch_loop_arrays): Do not specify the value.
4563 * doc/passes.texi: Update documentation of loop optimizer
4565 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4566 -frerun-loop-opt): Remove.
4568 2006-02-26 Richard Guenther <rguenther@suse.de>
4570 PR tree-optimization/26421
4571 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4572 in function calls that are ADDR_EXPRs as using the whole structure.
4574 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4576 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4577 * tree-pass.h (pass_loop_optimize): Remove.
4578 * passes.c (pass_loop_optimize): Never run it.
4579 * toplev.c (backend_init): Don't call init_loop.
4580 * opts.c (flag_loop_optimize_set): Remove.
4581 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4582 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4583 the old RTL loop optimizer when profiling enabled.
4584 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4585 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4586 pre-headers for the sake of the old RTL loop optimizer.
4587 * Makefile.in: Remove all references to loop.o.
4589 * doc/invoke.texi: Remove all references to -floop-optimize
4590 and -frerun-loop-opt.
4592 2006-02-26 Zack Weinberg <zackw@panix.com>
4594 * doc/md.texi (Machine Constraints): Refer to all files with paths
4595 relative to gcc directory (i.e. config/CPU/file). Add missing
4596 @table @code ... @end table to M32C subsection.
4598 2006-02-26 Roger Sayle <roger@eyesopen.com>
4600 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4602 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4604 2006-02-26 Roger Sayle <roger@eyesopen.com>
4605 James A. Morrison <phython@gcc.gnu.org>
4608 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4609 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4610 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4611 signedness of the shift operation.
4613 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4615 PR tree-optimization/26359
4616 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4618 2006-02-25 Roger Sayle <roger@eyesopen.com>
4620 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4621 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4622 as X == 0, and some symmetry related transformations.
4623 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4625 2006-02-25 Roger Sayle <roger@eyesopen.com>
4628 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4629 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4630 symmetry related transformations. Fold (X^C1) == C2 as
4633 2006-02-25 Juergen Weigert <jw@suse.de>
4634 Richard Guenther <rguenther@suse.de>
4636 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4638 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4640 * combine.c (gen_lowpart_or_truncate): Call
4641 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4643 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4645 * doc/invoke.texi: Move -fopenmp description to "Options for
4647 Remove reference to -lgomp.
4649 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4651 * doc/install.texi: Require GNU tar version 1.14.
4653 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4655 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4656 * doc/invoke.texi (C++ Dialect Options): Document
4657 -fno-use-cxa-get-exception-ptr.
4658 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4659 * configure: Regenerate.
4660 * c.opt (fuse-cxa-get-exception-ptr): New.
4661 * c-opts.c (c_common_handle_option): Handle
4662 OPT_fuse_cxa_get_exception_ptr.
4663 * c-common.c (flag_use_cxa_atexit): Update documentation.
4664 (flag_use_cxa_get_exception_ptr): New.
4665 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4666 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4668 (C_COMMON_OVERRIDE_OPTIONS): New.
4670 2006-02-24 Roger Sayle <roger@eyesopen.com>
4673 * combine.c (try_combine): Explicitly check whether GET_CODE is
4674 a SET or a CLOBBER, instead on checking that it isn't a USE.
4676 2006-02-24 Roger Sayle <roger@eyesopen.com>
4678 * fold-const.c (fold_comparison): New subroutine of fold_binary
4679 containing transformations common to both the equality and
4680 ordering relational operators, factored out of fold_binary.
4681 (fold_binary): Separate out the equality operators (EQ_EXPR
4682 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4683 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4684 transformations common to both.
4685 (fold_div_compare): Fix latent bugs in the previously unreachable
4686 LT_EXPR and GE_EXPR cases.
4688 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4690 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4691 decl libname for clog to __clog on AIX.
4693 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4695 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4698 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4699 output traceback table for thunks. Localise rs6000_stack_info call.
4701 2006-02-23 Roger Sayle <roger@eyesopen.com>
4702 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4704 * gthr-posix.h (__gthrw): Fix typo in comment.
4706 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4708 * doc/cpp.texi (Character sets): Document that we do support
4709 input files to be in any character set.
4711 2006-02-23 Jeff Law <law@redhat.com>
4713 * tree.h (PHI_ARG_NONZERO): Remove.
4714 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4715 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4716 node to the new node.
4718 PR tree-optimization/26425
4719 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4720 min/max, then assume its varying.
4722 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4724 PR rtl-optimization/26316
4725 * rtlanal.c (enum may_trap_p_flags): New.
4726 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4727 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4728 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4729 (may_trap_after_code_motion_p): New function.
4730 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4731 (find_invariant_insn): Use may_trap_after_code_motion_p.
4732 * rtl.h (may_trap_after_code_motion_p): Declare.
4734 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4736 * emit-rtl.c (immed_double_const): Cleanup.
4738 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4740 Fix PR tree-optimization/26376
4741 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4744 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4747 * gimplify.c (omp_add_variable): Guard variable size decl test with
4748 DECL_SIZE (decl) check.
4750 2006-02-23 Richard Guenther <rguenther@suse.de>
4753 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4754 like aggregate types.
4756 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4758 * configure.ac: Add --with{,out}-long-double-128 configure option.
4759 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4760 * configure: Rebuilt.
4761 * config.in: Rebuilt.
4762 * doc/install.texi (Options specification): Document
4763 --with-long-double-128.
4765 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4766 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4767 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4768 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4770 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4772 * config/s390/s390.c (override_options): Handle
4773 TARGET_DEFAULT_LONG_DOUBLE_128.
4775 * config/alpha/alpha.c (override_options): Handle
4776 TARGET_DEFAULT_LONG_DOUBLE_128.
4778 * config/sparc/sparc.c (sparc_override_options): Handle
4779 TARGET_DEFAULT_LONG_DOUBLE_128.
4781 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4783 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4784 (real-install-headers-tar, real-install-headers-cpio)
4785 (real-install-headers-cp): New targets.
4787 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4789 * tree.h (variable_section): Delete.
4790 * varasm.c (variable_section): Delete.
4792 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4794 * install.texi: Add notes on install.texi2html.
4795 (Building in parallel): Do not use footnotes.
4797 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4800 * doc/install.texi (Configuration): Document --disable-libgomp.
4802 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4804 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4806 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4808 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4809 (vec_extractv2df_0_sse): New.
4811 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4813 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4814 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4815 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4816 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4817 to the result of the expression.
4818 (def_cfa_1): Adjust.
4819 (frame_pointer_cfa_offset): Rename to...
4820 (frame_pointer_fb_offset): ... this. Adjust all uses.
4821 (convert_cfa_to_loc_list): Rename to...
4822 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4823 Pass it on to build_cfa_loc.
4824 (compute_frame_pointer_to_cfa_displacement): Rename to...
4825 (compute_frame_pointer_to_fb_displacement): ... this. New
4826 offset parameter. Use it in computation.
4827 (gen_subprogram_die): Compute cfa_fb_offset with the new
4828 macro, and use it to compute the fb loc list and the
4831 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4833 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4834 replaced with register_operand.
4835 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4836 non-DREG is expensive.
4837 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4838 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4841 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4843 * doc/install.texi2html: Use set -e.
4845 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4847 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4848 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4849 * doc/invoke.texi (-fshared-data): Delete.
4850 * common.opt (fshared-data): Delete.
4851 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4852 (assemble_static_space): Remove #if 0 code.
4853 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4854 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4855 * config/cris/cris.h: Remove FIXME.
4857 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4859 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4862 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4865 * combine.c (simplify_shift_const_1): Disable nested shifts
4866 optimization for vector shifts.
4868 2006-02-20 Roger Sayle <roger@eyesopen.com>
4870 PR tree-optimization/26361
4871 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4872 of unsigned integer types.
4874 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4876 * tree-chrec.c (eq_evolutions_p): New.
4877 * tree-chrec.h (eq_evolutions_p): Declared.
4878 * tree-data-ref.c: Fix formatting.
4879 (datadep_stats, dependence_stats): New.
4881 (print_direction_vector): New.
4882 (dump_data_dependence_relation): Use print_direction_vector.
4883 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4884 (compute_subscript_distance): Static.
4885 (initialize_data_dependence_relation): Static. Get the number
4886 of loops surrounding the references from the callers, and initialize
4887 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4888 base_object_differ_p analyzers.
4889 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4890 compute_overlap_steps_for_affine_1_2,
4891 analyze_subscript_affine_affine): Count the classified dependences.
4892 Print a message when a test failed.
4893 (can_use_analyze_subscript_affine_affine): New.
4894 (analyze_siv_subscript): Compute the data dependences on symbolic
4895 scevs that verify can_use_analyze_subscript_affine_affine.
4896 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4897 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4898 Handle symbolic scevs.
4899 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4901 (subscript_dependence_tester): Moved...
4902 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4903 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4904 DDR_SIZE_VECT instead of getting it in parameter.
4905 (subscript_dependence_tester): ... here. Take as a parameter
4906 loop_nest_depth. Call build_classic_dist_vector and
4907 build_classic_dir_vector.
4908 (compute_affine_dependence): Update subscript_dependence_tester
4909 parameters. Update datadep_stats counters. Call
4910 compute_subscript_distance.
4911 (compute_self_dependence): Save the dist and dir vectors. Call
4912 compute_subscript_distance.
4913 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4914 (compute_all_dependences): Reorder parameters as they were before
4915 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4916 compute_subscript_distance. Update the use of
4917 compute_affine_dependence and initialize_data_dependence_relation.
4918 (find_data_references_in_loop): Handle COMPONENT_REF.
4919 (compute_data_dependences_for_loop): Initialize dependence_stats.
4920 Don't call build_classic_dist_vector and build_classic_dir_vector.
4921 Update the parameters of initialize_data_dependence_relation and
4922 compute_all_dependences. Print the statistics from datadep_stats.
4923 (analyze_all_data_dependences): Static. Not used until the pass for
4924 checking the data dependences is contributed.
4925 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4926 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4927 (initialize_data_dependence_relation, compute_affine_dependence,
4928 analyze_all_data_dependences, compute_subscript_distance): Removed.
4929 (print_direction_vector): New.
4930 * lambda.h (gcd): ... here.
4931 (lambda_vector_gcd): Moved here from gcd_vector.
4932 * lambda-code.c (gcd, gcd_vector): Removed.
4933 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4934 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4936 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4938 * ipa-type-escape.c: Tidy some comments and white space.
4939 * tree-ssa-operands.c: Likewise.
4941 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4944 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4945 (dump_decl_name): Do not walk the decl tree chains.
4946 * tree-pass.h (TDF_CHAIN): Remove.
4948 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4950 * Makefile.in (C): Remove
4952 (.PHONY): Remove C and PROTO
4954 2006-02-20 Roger Sayle <roger@eyesopen.com>
4957 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4958 deprecated CHAR_TYPE tree code.
4960 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4962 * configure.ac (target_list): Add install-info, dvi, html.
4963 * configure: Regenerate.
4965 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4966 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4967 treelang/Make-lang.in: Do not use double-colon rules.
4969 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4971 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4972 (TMT_USED_ALONE): New macro.
4973 * tree-pass.h (PROP_tmt_usage): New property.
4974 (TODO_update_tmt_usage): New todo.
4975 * tree-ssa-alias.c (updating_used_alone): New variable.
4976 (recalculate_used_alone): New function.
4977 (compute_may_aliases): Set updating_used_alone, call
4978 recalculate_used_alone.
4979 * tree-sra.c (pass_sra): Note that this pass destroys
4980 PROP_tmt_usage, and add TODO_update_tmt_usage.
4981 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4982 * tree-flow.h (updating_used_alone): Prototype.
4983 (recalculate_used_alone): Ditto.
4984 * passes.c (execute_todo): Add code to set updating_used_alone,
4985 and call recalculate.
4986 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4987 for clobber if used alone, and add assert to verify used_alone
4990 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4992 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4993 for non tls symbols added.
4994 (legitimize_address): Do nothing for PLUS expressions if one of the
4995 addends is a tls symbol reference.
4997 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5001 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5003 * Makefile.in (BOOTSTRAPPING): New.
5004 (quickstrap): New definition if BOOTSTRAPPING=yes.
5006 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5007 * configure.ac: Substitute all_selected_languages with the languages
5008 that were configured. For all the other variables except
5009 lang_specs_files, include all the languages in the tree.
5010 * configure: Regenerate.
5012 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5013 if there is one. Run the commands to run fixincludes in the same
5016 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5017 * doc/install.texi: Document exact conventions for searching target tools.
5018 Document --with-build-time-tools. Document toplevel bootstrap. Document
5019 something more about building an Ada cross-compiler. Don't list GNU Make
5020 requirements which affect all platforms.
5022 2006-02-19 Roger Sayle <roger@eyesopen.com>
5025 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5026 only equivalent if the have both the same mode and precision.
5028 2006-02-20 Ben Elliston <bje@au.ibm.com>
5030 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5032 2006-02-19 Roger Sayle <roger@eyesopen.com>
5033 Steven Bosscher <stevenb.gcc@gmail.com>
5035 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5036 constant pool references to identify stack mode constants.
5037 * rtlanal.c (constant_pool_constant_p): New predicate to check
5038 whether operand is a floating point constant in the pool.
5039 * rtl.h (constant_pool_constant_p): Prototype here.
5040 * loop.c (scan_loop): Avoid hoisting constants from the constant
5041 pool on STACK_REGS targets.
5042 (load_mems): Likewise.
5043 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5044 loads into x87 registers expensive in terms of register pressure.
5046 2006-02-19 Roger Sayle <roger@eyesopen.com>
5048 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5049 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5051 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5053 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5054 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5056 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5058 * doc/invoke.texi: Document -fipa-pta.
5059 * common.opt: Add ipa-pta option.
5060 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5061 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5062 (do_ds_constraint): Ditto.
5063 (get_constraint_for): Only add to referenced_vars if
5064 referenced_vars exists.
5065 (insert_into_field_list): Rewrite to do this unsorted.
5066 (insert_into_field_list_sorted): Rename old insert_into_field_list
5068 (create_function_info_for): Use insert_into_field_list_sorted.
5069 (create_variable_info_for): Rewrite so it uses unsorted version,
5070 since the field list is sorted.
5071 (intra_create_variable_infos): Only add to referenced_vars if
5072 referenced_vars exists.
5073 (ipa_pta_execute): Init heapvars, and delete when done.
5074 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5076 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5078 * doc/install.texi: Add missing `@samp'.
5080 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5082 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5085 2006-02-18 Mark Wielaard <mark@klomp.org>
5087 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5088 who added new 4.1 features, bug fixes and integration support.
5090 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5093 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5096 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5098 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5099 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5100 (copy_insn_1): Likewise. Don't copy each field individually.
5102 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5104 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5105 * rtl.c (rtx_size): Rename variable to...
5106 (rtx_code_size): ...this.
5107 (rtx_size): New function.
5108 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5109 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5111 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5112 * rtl.h (rtx_code_size): New variable.
5113 (rtx_size): Change from a variable to a function.
5114 (RTX_SIZE): Rename to...
5115 (RTX_CODE_SIZE): ...this.
5118 PR tree-optimization/17106
5119 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5120 (Anchored Addresses): New section.
5121 * doc/invoke.texi (-fsection-anchors): Document.
5122 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5123 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5124 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5125 * hooks.c (hook_bool_mode_rtx_false): New function.
5126 * hooks.h (hook_bool_mode_rtx_false): Declare.
5127 * gengtype.c (create_optional_field): New function.
5128 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5129 SYMBOL_REF_IN_BLOCK_P is true.
5130 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5131 (min_anchor_offset, max_anchor_offset): Likewise.
5132 (use_anchors_for_symbol_p): New hook.
5133 * toplev.c (compile_file): Call output_object_blocks.
5134 (target_supports_section_anchors_p): New function.
5135 (process_options): Check that -fsection-anchors is only used on
5136 targets that support it and when -funit-at-a-time is in effect.
5137 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5138 if the decl doesn't have one.
5139 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5140 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5141 of force_const_mem through use_anchored_address.
5142 (expand_expr_constant): New function.
5143 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5144 calling expand_expr for INDIRECT_REF.
5145 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5146 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5147 * expr.h (use_anchored_address): Declare.
5148 * loop-unroll.c: Don't declare rtx vectors here.
5149 * explow.c: Include output.h.
5150 (validize_mem): Call use_anchored_address.
5151 (use_anchored_address): New function.
5152 * common.opt (-fsection-anchors): New switch.
5153 * varasm.c (object_block_htab, anchor_labelno): New variables.
5154 (hash_section, object_block_entry_eq, object_block_entry_hash)
5155 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5156 (use_blocks_for_decl_p, change_symbol_section): New functions.
5157 (get_variable_section): New function, split out from assemble_variable.
5158 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5159 use_blocks_for_decl_p say so. Use change_symbol_section if the
5160 symbol has already been created.
5161 (assemble_variable_contents): New function, split out from...
5162 (assemble_variable): ...here. Don't output any code for
5163 block symbols; just pass them to place_block_symbol.
5164 Use get_variable_section and assemble_variable_contents.
5165 (get_constant_alignment, get_constant_section, get_constant_size): New
5166 functions, split from output_constant_def_contents.
5167 (build_constant_desc): Create a block symbol if use_object_blocks_p
5168 says so. Or into SYMBOL_REF_FLAGS.
5169 (assemble_constant_contents): New function, split from...
5170 (output_constant_def_contents): ...here. Don't output any code
5171 for block symbols; just pass them to place_section_symbol.
5172 Use get_constant_section and get_constant_alignment.
5173 (force_const_mem): Create a block symbol if use_object_blocks_p and
5174 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5175 (output_constant_pool_1): Add an explicit alignment argument.
5176 Don't switch sections here.
5177 (output_constant_pool): Adjust call to output_constant_pool_1.
5178 Switch sections here instead. Don't output anything for block symbols;
5179 just pass them to place_block_symbol.
5180 (init_varasm_once): Initialize object_block_htab.
5181 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5182 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5183 (place_block_symbol, get_section_anchor, output_object_block)
5184 (output_object_block_htab, output_object_blocks): New functions.
5185 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5186 (TARGET_ASM_OUT): Include it.
5187 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5188 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5189 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5190 (TARGET_INITIALIZER): Include them.
5191 * rtl.c (rtl_check_failed_block_symbol): New function.
5192 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5193 (block_symbol, object_block): New structures.
5194 (rtx_def): Add a block_symbol field to the union.
5195 (BLOCK_SYMBOL_CHECK): New macro.
5196 (rtl_check_failed_block_symbol): Declare.
5197 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5198 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5199 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5200 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5201 * output.h (output_section_symbols): Declare.
5202 (object_block): Name structure.
5203 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5204 (default_use_anchors_for_symbol_p): Declare.
5205 * Makefile.in (RTL_BASE_H): Add vec.h.
5206 (explow.o): Depend on output.h.
5207 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5208 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5209 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5210 (rs6000_use_blocks_for_constant_p): New function.
5212 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5214 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5216 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5219 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5222 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5224 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5228 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5231 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5232 instead of DECL_REGISTER.
5234 2006-02-18 Olivier Hainque <hainque@adacore.com>
5237 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5239 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5242 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5243 * opth-gen.awk: Handle Var and InverseMask together.
5244 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5245 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5246 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5247 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5249 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5250 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5251 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5252 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5253 LINUX_DYNAMIC_LINKER): Define.
5254 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5255 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5257 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5258 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5259 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5261 (TARGET_C99_FUNCTIONS): Don't define.
5262 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5263 GLIBC_DYNAMIC_LINKER.
5264 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5265 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5266 GLIBC_DYNAMIC_LINKER64): Define.
5267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5268 LINUX_DYNAMIC_LINKER64.
5269 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5271 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5273 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5274 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5275 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5276 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5277 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5279 and LINUX_DYNAMIC_LINKER32.
5280 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5281 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5282 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5284 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5286 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5287 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5288 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5289 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5290 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5291 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5292 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5293 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5294 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5295 LINUX_DYNAMIC_LINKER): Define.
5296 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5297 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5298 GLIBC_DYNAMIC_LINKER64): Define.
5299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5300 LINUX_DYNAMIC_LINKER64.
5301 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5302 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5303 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5304 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5305 LINUX_DYNAMIC_LINKER): Define.
5306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5307 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5308 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5309 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5310 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5311 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5312 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5313 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5314 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5315 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5317 * doc/invoke.texi (-muclibc): Remove caveat about supported
5320 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5322 * doc/cpp.texi (__TIMESTAMP__): Document.
5324 2006-02-17 Roger Sayle <roger@eyesopen.com>
5327 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5328 C is one less than the width of X (and related transformations).
5329 * simplify-rtx.c (simplify_unary_operation_1): Transform
5330 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5331 depending on STORE_FLAG_VALUE, were C is one less then the
5334 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5336 Fix PR tree-optimization/26341
5337 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5338 about NAME_MEMORY_TAG's.
5340 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5343 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5344 with hardware float support, and software float support. Add fcpy
5345 alternative to hardware patterns. Add alternatives to copy between
5346 general and floating-point registers to the 32-bit pattern.
5347 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5348 secondary reload to load a QI or HI mode constant into a floating
5350 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5351 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5353 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5356 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5358 (load_macho_picbase_di): Likewise.
5360 2006-02-16 Jeff Law <law@redhat.com>
5362 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5363 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5364 (ssa_name_nonzero_p): Likewise.
5365 (get_value_range): Return NULL if VRP is not running.
5366 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5367 VRP routines do not discover a range.
5368 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5369 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5370 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5371 (tree_expr_nonnegative_p): Similarly.
5372 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5373 (restore_nonzero_vars_to_original_value): Remove.
5374 (unsafe_associative_fp_binop): Remove.
5375 (tree_ssa_dominator_optimize): Remove initialization and
5376 finalization of nonzero_vars and nonzero_vars_stack.
5377 (dom_opt_initialize_block): No longer push marker on
5379 (dom_opt_finalize_block): No longer call
5380 restore_nonzero_vars_to_original_value.
5381 (record_equivalences_from_phis): No longer look for
5382 nonzero PHI arguments.
5383 (cprop_into_successor_phis): No longer propagate nonzero
5384 property into PHI arguments. Lose unused argument. Caller
5386 (record_equivalences_from_stmt): No longer record nonzero
5387 values for SSA_NAMEs.
5388 (lookup_avail_expr): No longer use nonzero_vars.
5390 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5391 for sizetype when sizetype is unsigned.
5393 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5395 PR rtl-optimization/25603
5396 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5397 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5398 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5399 with new meaning of SETS.
5401 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5406 * config/linux.opt: New file.
5407 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5408 LINUX_DYNAMIC_LINKER): Define.
5409 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5410 * config.gcc (*-*-linux*): Define extra_options.
5411 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5412 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5413 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5414 GLIBC_DYNAMIC_LINKER.
5415 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5416 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5417 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5419 * doc/invoke.texi (GNU/Linux Options): New section.
5421 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5423 * config/sparc/sparc.md (setjmp): Rewrite.
5424 (setjmp_32): Delete.
5425 (setjmp_64): Likewise.
5427 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5429 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5432 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5434 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5437 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5439 PR rtl-optimization/26296
5440 * Makefile.in (loop-invariant.c): Add except.h dependency.
5441 * loop-invariant.c: Include except.h.
5442 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5444 2005-02-16 Paul Brook <paul@codesourcery.com>
5446 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5449 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5451 PR rtl-optimization/25636
5452 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5453 when deciding whether an insn is an initializing insn.
5455 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5457 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5458 (tree_code_size): Ditto.
5459 * tree.h (struct tree_memory_tag): Remove parent_var.
5460 (struct tree_struct_field_tag): New.
5463 (union tree_node): Add sft member.
5464 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5466 (create_sft): Add size and offset argument, set SFT_OFFSET and
5468 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5469 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5470 * tree-flow-inline.h (get_subvar_at): Update for
5471 SFT_OFFSET/SFT_SIZE.
5472 (var_can_have_subvars): Ditto.
5473 (overlap_subvar): Ditto.
5474 * print-tree.c (print_node): Print out interesting things for
5476 * tree-flow.h (struct subvar): Remove offset and size members.
5477 * tree-ssa-operands.c (get_expr_operands): Update for
5478 get_indirect_ref_operands changes.
5479 (get_indirect_ref_operands): Call add_virtual_operand instead of
5480 add_stmt_operand. Only recurse on base var if requested.
5481 (access_can_touch_variable): New function.
5482 (add_stmt_operand): Split virtual operand handling into ...
5483 (add_virtual_operand): Here. Add offset, size, and for_clobber
5484 arguments. Prune alias sets.
5485 (add_call_clobber_ops): Call add_virtual_operand.
5487 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5490 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5492 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5493 than TREE_CODE as index into omp_clause_num_ops array.
5495 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5497 PR rtl-optimization/26184
5498 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5500 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5501 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5502 must_precede, must_follow and tobe_scheduled.
5505 * opts.c (common_handle_option): Free new_option pointer.
5506 * df-core.c (df_analyze): Free postorder pointer.
5508 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5510 * Makefile.in: Fix the examples about the use of stamps
5512 2006-02-15 Michael Matz <matz@suse.de>
5516 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5517 influenced by maximum_field_alignment or DECL_PACKED.
5518 (update_alignment_for_field): Ditto.
5519 (place_field): Ditto.
5520 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5523 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5525 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5526 (debug_flow_info): Pass it.
5527 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5528 * bb-reorder.c (reorder_basic_blocks): Likewise.
5529 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5530 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5531 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5532 * gcse.c (gcse_main, bypass_jumps): Likewise.
5533 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5534 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5535 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5536 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5537 * rtl.h (dump_flow_info): Adjust prototype.
5538 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5539 * var-tracking.c (variable_tracking_main): Likewise.
5540 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5541 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5544 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5546 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5549 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5551 PR tree-optimization/26209
5552 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5553 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5555 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5557 2006-02-14 Roger Sayle <roger@eyesopen.com>
5560 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5561 (X,Y) and the corresponding symmetry related transformations.
5562 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5563 (X,Y) and its symmetry related transformations.
5565 2006-02-14 Roger Sayle <roger@eyesopen.com>
5567 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5570 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5572 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5574 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5577 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5578 support COMDAT group.
5579 * configure: Regenerate.
5581 2006-02-14 Roger Sayle <roger@eyesopen.com>
5586 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5588 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5590 Fix PR tree-optimization/26260
5592 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5594 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5595 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5596 * tree-ssa-structalias.c (create_variable_info_for): Use
5597 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5599 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5601 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5603 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5604 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5605 of the ending condition.
5606 * tree-ssa-loop-manip.c: Include params.h.
5607 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5608 tree_unroll_loop): New functions.
5609 * tree-pass.h (pass_loop_prefetch): Declare.
5610 * loop.c (rest_of_handle_loop_optimize): Test for
5611 -fprefetch-loop-arrays-rtl.
5612 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5613 * timevar.def (TV_TREE_PREFETCH): New timevar.
5614 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5615 pass_loop_prefetch): New.
5616 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5617 (cleanup_tree_cfg_loop): Call scev_reset.
5618 * common.opt (fprefetch-loop-arrays-rtl): Add.
5619 * tree-ssa-loop-prefetch.c: New file.
5620 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5621 (new_temp_expr_table): Initialize expr_vars.
5622 (free_temp_expr_table): Cleanup expr_vars.
5623 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5624 expressions from being merged into one.
5625 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5626 (struct tree_niter_desc): Add control, bound and cmp fields.
5627 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5629 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5630 (tree-cfgcleanup.o): Add SCEV_H dependency.
5631 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5632 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5634 2006-02-14 Richard Guenther <rguenther@suse.de>
5636 PR tree-optimization/26258
5637 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5638 in PHI argument processing.
5640 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5642 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5643 new expression in the requested machine mode.
5645 2006-02-13 Roger Sayle <roger@eyesopen.com>
5647 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5648 directly, instead let do_compare_rtx_and_jump handle this for us.
5649 * expr.c (expand_expr_real_1): Likewise.
5650 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5651 before do_jump_by_parts_greater.
5652 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5653 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5655 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5657 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5659 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5661 PR rtl-optimization/26235
5662 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5663 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5666 2006-02-13 Jeff Law <law@redhat.com>
5668 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5671 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5674 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5675 twice if decl is a builtin. When trying again, call get_callee_fndecl
5676 first to verify it is still a builtin.
5678 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5680 * dwarf2out.c (base_type_die): Don't add AT_name here.
5681 (subrange_type_die): Don't add AT_name here.
5682 (modified_type_die): Rearrange code flow. Do add AT_name here.
5684 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5686 PR rtl-optimization/26247
5687 PR rtl-optimization/26248
5688 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5690 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5692 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5693 * config/fixtfdi.c: Likewise.
5694 * config/fixunstfdi.c: Likewise.
5695 * config/floatditf.c: Likewise.
5697 2006-02-13 Roger Sayle <roger@eyesopen.com>
5700 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5701 into (X,C2) if C1 is a subset of the bits of C2. Transform
5702 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5704 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5706 2006-02-13 Josh Conner <jconner@apple.com>
5709 * varasm.c (function_section): Check for section name before
5710 calling select_section on targets that define
5711 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5712 unlikely_text_section instead of hot_function_section if
5713 first_function_block_is_cold.
5715 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5718 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5720 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5722 PR rtl-optimization/26222
5723 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5724 after tree->rtl expansion.
5725 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5726 before passing it to emit_move_insn.
5728 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5730 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5732 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5733 Clarify documentation.
5734 * c-common.h (warn_write_strings): Remove.
5735 * c-common.c (warn_write_strings): Likewise.
5736 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5739 2006-02-12 Roger Sayle <roger@eyesopen.com>
5742 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5743 (do_jump_parts_zero_rtx): New function renamed from
5744 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5745 (do_jump_parts_equality_rtx): New function split out from
5746 do_jump_parts_equality. Old implementation renamed as above.
5747 Call do_jump_parts_zero_rtx if either operand is zero.
5748 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5749 do all of the heavy lifting.
5750 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5751 calling either do_jump_by_parts_greater_rtx or
5752 do_jump_by_parts_equality_rtx.
5753 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5754 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5755 moved to do_compare_rtx_and_jump, call it directly.
5756 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5757 mode argument. Call do_compare_rtx_and_jump.
5758 (emit_case_nodes): Update calls to do_jump_if_equal.
5760 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5762 PR rtl-optimization/26225
5763 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5765 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5767 PR rtl-optimization/26232
5768 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5770 2006-02-11 Jason Merrill <jason@redhat.com>
5773 * tree-inline.c (declare_return_variable): Just don't use the
5774 modify target if it's a gimple complex reg and the return slot
5777 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * doc/contrib.texi: Update my entry.
5781 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5783 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5785 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5787 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5790 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5792 * doc/invoke.texi (-floop-optimize2): Removed.
5793 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5794 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5795 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5796 * common.opt (floop-optimize2): Removed.
5797 (fmove-loop-invariants): Enabled by default.
5799 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5801 * tree-if-conv.c (combine_blocks): Free the result of
5802 get_loop_exit_edges.
5804 2006-02-10 Jeff Law <law@redhat.com>
5806 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5808 PR tree-optimization/26213
5809 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5810 loop trying to follow SSA_NAME_VALUE chains.
5812 2006-02-10 Richard Guenther <rguenther@suse.de>
5814 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5815 deal with structures that end in implicitly variable sized arrays.
5817 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5819 PR rtl-optimization/24762
5820 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5823 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5825 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5826 (struct ivopts_data): Add regs_used field.
5827 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5828 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5829 instead of loop_data->regs_used;
5830 (free_loop_data): Do not free aux fields for loops.
5831 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5832 and tree_ssa_iv_optimize_finalize.
5834 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5836 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5838 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5841 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5842 computing the effective result type.
5844 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5847 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5848 (tree_overlaps_hard_reg_set): Declare.
5849 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5850 type and signature to match function type expected by walk_tree.
5851 (tree_overlaps_hard_reg_set): New function.
5852 (decl_conflicts_with_clobbers_p): Rename to:
5853 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5854 Use tree_overlaps_hard_reg_set. Changed caller.
5855 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5856 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5857 * cris.c (cris_md_asm_clobbers): Likewise.
5859 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5861 * reload1.c (emit_input_reload_insns): Delete code that tries to
5862 inherit using find_equiv_reg.
5864 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5866 * c-common.h (flag_const_strings): Don't declare.
5867 * c-common.c (flag_const_strings): Remove.
5868 * c.opt (fconst_strings): Remove.
5869 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5870 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5871 (c_common_init_options): Don't set flag_const_strings.
5872 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5874 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5876 * arm.md (tlobits_cbranch): New pattern.
5877 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5878 testing a single bit.
5880 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5883 * tree-ssa-pre.c (create_component_ref_by_pieces):
5884 Handle RETURN_DECL like VAR_DECL.
5886 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5889 * fold-const.c (fold_indirect_ref_1): Fold
5890 "*(foo *)&complexfoo" to "__real__ complexfoo"
5891 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5893 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5895 * tree-flow-inline.h (var_can_have_subvars):
5896 Volatile variables should not have subvariables.
5898 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5901 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5902 multiplying unsigned values.
5905 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5907 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5909 2006-02-08 Jason Merrill <jason@redhat.com>
5912 * tree.def: Elaborate on difference from MODIFY_EXPR.
5913 * doc/c-tree.texi (INIT_EXPR): Likewise.
5914 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5915 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5916 (gimplify_target_expr): Likewise.
5917 (gimplify_cond_expr): Remove target handling.
5918 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5919 (gimplify_expr): Clobber it here.
5920 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5921 Do return slot optimization if we have an INIT_EXPR.
5924 * tree-inline.c (declare_return_variable): Also clear
5925 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5928 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5931 * gimplify.c (gimplify_one_sizepos): Fix typo.
5933 2006-02-08 Jeff Law <law@redhat.com>
5935 PR tree-optimization/21417
5936 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5937 across a backedge if the control statement at the end of the
5938 block is data dependent on other statements in the same block.
5939 (record_temporary_equivalences_from_stmts): Remove over-conservative
5940 test for threading across backedges.
5942 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5943 control statement, handle all three special cases in the same
5944 manner as they all have the same desired solution. No longer
5945 special case edge flag updating when the post dominator is
5948 2006-02-08 Roger Sayle <roger@eyesopen.com>
5950 * tree.def (CHAR_TYPE): Remove.
5951 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5952 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5953 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5954 (gen_string_type_die): Delete unreachable function.
5956 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5957 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5958 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5959 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5960 * builtins.c (type_to_class): Likewise.
5961 * fold-const.c (fold_convert, build_range_check,
5962 merge_ranges): Likewise.
5963 * expr.c (count_type_elements): Likewise.
5964 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5965 * stor-layout.c (layout_type): Likewise.
5966 * ipa-type-escape.c (type_to_consider): Likewise.
5967 * gimplify.c (omp_firstprivatize_type_sizes,
5968 gimplify_type_sizes): Likewise.
5969 * explow.c (promote_mode): Likewise.
5970 * tree-sra.c (is_sra_scalar_type): Likewise.
5971 * varasm.c (output_constant): Likewise.
5972 * tree-inline.c (remap_type_1): Likewise.
5973 * convert.c (convert_to_pointer, convert_to_real,
5974 convert_to_integer, convert_to_complex): Likewise.
5976 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5978 * df-scan.c (df_def_record_1): A set destination may
5979 be a parallel regardless of mode.
5981 2006-02-08 Roger Sayle <roger@eyesopen.com>
5984 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5985 * config/mips/_tilib.c: Remove.
5986 * config/fixtfdi.c: New libgcc source file.
5987 * config/fixunstfdi.c: New source file.
5988 * config/floatditf.c: New source file.
5989 * config/floatunditf.c: New souce file.
5990 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5991 files above instead of config/mips/_tilib.c.
5992 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5994 2006-02-08 Jeff Law <law@redhat.com>
5996 PR tree-optimization/26169
5997 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6000 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6002 * df.h (DF_REG_SIZE): Return the length of the initialized
6005 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6007 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6008 __muldf3): Return a correctly signed zero.
6010 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6012 * passes.c (register_one_dump_file): Accept the current properties
6013 instead of pass number. Adjust call to dump_register. Remove
6015 (register_dump_files): Now a wrapper around...
6016 (register_dump_files_1): ... this one. Do not modify the pass
6018 (next_pass_1): Cosmetic fix.
6019 (execute_todo): Keep second parameter only. Use curr_properties
6020 instead of fetching it from the pass structure. Check and set
6022 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6023 instead of fetching it from the pass structure. Fix calls to
6024 execute_todo. Update curr_properties and initialize .vcg RTL dump
6025 after running the pass. Reset last_verified.
6026 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6028 (FIRST_AUTO_NUMBERED_DUMP): New.
6029 (dump_register): Remove "num" parameter, assign it within the
6031 (get_dump_file_name): Modify template for dumps.
6032 * tree-dump.h (dump_register): Adjust prototype.
6033 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6034 (PROP_trees): Add PROP_gimple_lomp.
6035 (TODO_set_props): New.
6036 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6037 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6038 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6040 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6042 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6043 (sparc64-*-linux*): Likewise.
6044 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6045 * config/sparc/t-linux: New file.
6046 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6047 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6048 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6049 -m32 -mlong-double-128.
6051 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6052 * config/alpha/t-linux: New file.
6053 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6055 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6056 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6057 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6058 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6059 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6060 (CPP_ARCH32_SPEC): Remove.
6062 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6064 PR tree-optimization/26145
6065 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6068 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6071 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6072 >= 240000 when generating code for SOM runtime.
6073 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6074 to $$dyncall when generating code for SOM runtime..
6076 2006-02-07 Dirk Mueller <dmueller@suse.com>
6079 * doc/invoke.texi (-Wsequence-point): Update documentation
6080 that -Wsequence-point is implemented for C++ as well.
6082 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6084 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6085 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6086 (LIB_SPEC): Likewise.
6087 * doc/invoke.texi (SPARC options): Document -pthread.
6089 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6091 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6094 2006-02-07 Roger Sayle <roger@eyesopen.com>
6096 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6097 Correct comment describing BOOLEAN_TYPE.
6099 2006-02-07 Dirk Mueller <dmueller@suse.com>
6101 * c.opt: C++ frontend supports -Wdiv-by-zero.
6102 * c-opts.c (c_common_handle_option): Remove dead case.
6104 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6106 * configure.ac (TLS assembler check): Do not enable TLS by
6107 default on SPARC/Solaris before version 10.
6108 * configure: Regenerate.
6110 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6112 * doc/invoke.texi (xl-compat): Document conversion and support
6115 2006-02-07 Jeff Law <law@redhat.com>
6117 * tree-vrp.c (find_conditional_asserts): Update comments.
6118 (simplify_stmt_for_jump_threading): New.
6119 (identify_jump_threads, finalize_jump_threads): New.
6120 (vrp_finalize): Call identify_jump_threads.
6121 (execute_vrp): Call finalize_jump_threads.
6122 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6123 (vrp_element, vrp_data, vrp_element_p): Remove.
6124 (vrp_hash_elt, vrp_variables_stack): Remove.
6125 (vrp_hash, vrp_eq, record_range): Remove.
6126 (simplify_cond_and_lookup_avail_expr): Remove.
6127 (extract_range_from_cond): Remove.
6128 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6129 (simplify_stmt_for_jump_threading): New.
6130 (dom_thread_across_edge): New wrapper.
6131 (tree_ssa_dominator_optimize): No longer initialize or
6132 finalize any of the VRP datastructures. Remove iteration
6133 step and simplify as a result of removal of iteration step.
6134 (pass_dominator): Perform a cfg cleanup after DOM.
6135 (dom_opt_finalize_block): Use the new common routines
6136 for threading jumps. Simplify stack management slightly.
6137 No longer need to unwind VRP state.
6138 (record_equivalences_from_incoming_edge): No longer record
6140 (eliminate_redundant_computations): No longer call
6141 simplify_cond_and_lookup_avail_expr.
6142 * tree-flow.h (potentially_threadable_block): Prototype.
6143 (thread_across_edge): Likewise.
6144 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6145 (tree-ssa-threadedge.o): Add dependencies.
6146 * tree-ssa-threadedge.c: New file.
6147 * passes.c (init_optimization_passes): Merge PHIs before
6148 calling VRP. Run VRP again late in the SSA optimization pipeline.
6150 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6152 * df-core.c (df_set_blocks): Do not dereference function pointers.
6153 (df_finish1): Likewise.
6154 (df_hybrid_search_forward): Likewise.
6155 (df_hybrid_search_backward): Likewise.
6156 (df_iterative_dataflow): Likewise.
6157 (df_analyze_problem): Likewise.
6158 (df_compact_blocks): Likewise.
6159 (df_dump): Likewise.
6160 * df-scan.c (df_rescan_blocks): Likewise.
6161 (df_record_entry_block_defs): Likewise.
6163 * genconditions.c (write_conditions): Guard the definition of
6164 'insn_conditions' with the check on GCC version.
6165 (write_writer): Guard the traversal 'insn_conditions' with
6166 the check on GCC version.
6168 2006-02-07 Richard Guenther <rguenther@suse.de>
6172 2006-01-30 Richard Guenther <rguenther@suse.de>
6174 * gimplify.c (gimplify_target_expr): Handle easy cases
6175 without creating a temporary.
6177 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6179 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6180 use of float in probability computations. Use edge probabilities
6181 in place of statically computed probabilities.
6182 (min_spec_prob): New static variable.
6183 (schedule_insns): Initialize it.
6184 (GET_SRC_PROB): Removed.
6185 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6187 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6190 * config/ia64/unwind-ia64.c: Revert last change.
6191 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6192 (INCOMING_FRAME_SP_OFFSET): Define.
6194 2006-02-06 Roger Sayle <roger@eyesopen.com>
6196 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6198 2006-02-07 Ben Elliston <bje@au.ibm.com>
6200 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6201 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6202 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6203 (ix86_return_in_memory): Handle TDmode.
6204 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6205 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6207 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6209 * reorg.c (dbr_schedule): Use dump_file instead of file.
6211 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6214 * config/ia64/predicates.md (extr_len_operand): New predicate.
6215 * config/ia64/ia64.md (extv): Tighten constraints.
6217 (*tbit_and_2): Ditto.
6218 (*tbit_and_3): Ditto.
6219 (*tbit_or_2): Ditto.
6220 (*tbit_or_3): Ditto.
6224 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6227 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6229 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6231 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6232 loop_optimizer_init and loop_optimizer_finalize
6233 * tree-ssa-sink.c (execute_sink_code): Ditto.
6234 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6235 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6236 tree_ssa_loop_done): Ditto.
6237 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6238 * sched-ebb.c: Include output.h.
6239 (schedule_ebbs): Do not use dump argument.
6240 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6241 * loop.c (loop_dump_stream): Removed.
6242 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6244 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6245 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6246 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6247 loop_iterations, strength_reduce, record_biv, record_giv,
6248 final_giv_value, check_final_value, check_ext_dependent_givs,
6249 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6250 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6251 dump_file instead of loop_dump_stream.
6252 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6254 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6256 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6257 * haifa-sched.c: Include output.h
6258 (schedule_insns, sched_init): Do not use dump argument.
6259 * mode-switching.c (optimize_mode_switching): Ditto.
6260 * modulo-sched.c (stats_file): Removed.
6261 (print_node_sched_params): Do not call argument dump_file.
6262 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6263 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6265 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6267 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6268 rtl_loop_init, rtl_loop_done): Ditto.
6269 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6270 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6272 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6273 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6274 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6275 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6276 * emit-rtl.c (renumber_insns): Ditto.
6277 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6278 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6279 * regclass.c (regclass): Ditto.
6280 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6281 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6282 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6283 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6285 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6286 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6288 * gcse.c (gcse_file, debug_stderr): Removed.
6289 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6290 rest_of_handle_gcse): Do not use dump argument.
6291 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6292 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6293 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6294 compute_code_hoist_vbeinout, compute_code_hoist_data,
6295 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6296 compute_store_table, build_store_vectors, insert_insn_start_bb,
6297 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6298 store_motion): Use dump_file instead of gcse_file.
6299 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6300 * profile.c (profile_dump_file): Removed.
6301 (branch_prob): Use dump_file instead of profile_dump_file.
6302 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6304 * tree-ssa-copy.c (dump_copy_of): Ditto.
6305 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6306 dump file to life_analysis.
6307 * bt-load.c (branch_target_load_optimize): Ditto.
6308 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6310 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6311 regclass, dbr_schedule): Declaration changed.
6312 * sched-int.h (sched_init): Declaration changed.
6313 * tree-profile.c (tree_profile_dump_file): Removed.
6314 (tree_profile_hooks): Removed profile_dump_file hook.
6315 * rtl-profile (rtl_profile_dump_file): Removed.
6316 (rtl_profile_hooks): emoved profile_dump_file hook.
6317 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6319 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6320 * tree-cfg.c (build_tree_cfg): Ditto.
6321 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6322 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6323 Declaration changed.
6324 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6325 life_analysis and schedule_insns.
6326 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6328 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6330 * config/mips/mips.c (mips_reorg): Ditto.
6331 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6334 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6336 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6337 (s390_mangle_fundamental_type): New.
6338 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6341 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6342 (alpha_mangle_fundamental_type): New.
6343 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6346 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6348 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6350 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6351 (sparc_mangle_fundamental_type): New.
6353 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6355 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6356 (s390x-*-linux*): Likewise.
6357 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6358 * config/s390/t-linux: New file.
6360 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6362 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6363 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6365 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6367 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6368 (ANTIC_SAFE_LOADS): New macro.
6369 (find_or_generate_expression): Add prototype.
6370 (set_contains_value): Allow null set for sake of not always having
6371 to allocate ANTIC_SAFE_LOADS.
6372 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6373 Allow COMPONENT_REF too.
6374 (valid_in_set): Allow COMPONENT_REF.
6375 Check ANTIC_SAFE_LOADS too.
6376 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6377 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6379 (can_PRE_operation): Add COMPONENT_REF.
6380 (create_component_ref_by_pieces): New function.
6381 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6382 (insert_aux): Move AGGREGATE_TYPE_P check here.
6383 (compute_avail): Set bb local stmt uids.
6384 (pass_pre): Use TODO_update_ssa_only_virtuals.
6386 2006-02-06 Ben Elliston <bje@au.ibm.com>
6388 * configure.ac: Unconditionally disable decimal float by default.
6389 * configure: Regenerate.
6391 2006-02-06 Ben Elliston <bje@au.ibm.com>
6393 * read-rtl.c (read_name): Terminate reading on EOF.
6395 2006-02-06 Ben Elliston <bje@au.ibm.com>
6397 * dfp.c (decimal_real_arithmetic): Change second argument type
6398 from int to enum tree_code. Do not always return true, but now
6399 return result of any call to decimal_do helper functions.
6400 * dfp.h (decimal_real_arithmetic): Update prototype.
6402 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6404 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6406 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6409 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6412 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6414 * tree-vrp.c (cfg_loops): Removed.
6415 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6416 Use current_loops instead of cfg_loops. Pass flags to
6417 loop_optimizer_init.
6418 * cfgloopmanip.c (fix_loop_structure): Update only available
6420 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6421 loop_optimizer_init.
6422 * modulo-sched.c (build_loops_structure): Removed.
6423 (sms_schedule): Use loop_optimizer_init.
6424 * loop-init.c (loop_optimizer_init): Use flags to determine
6425 which properties of loops to prepare.
6426 (rtl_loop_init): Pass flags to loop_optimizer_init.
6427 * tree-ssa-sink.c (execute_sink_code): Ditto.
6428 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6429 * tree-ssa-pre.c (init_pre): Ditto.
6430 * cfgloop.h (LOOPS_NORMAL): New.
6431 (loop_optimizer_init): Declaration changed.
6433 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6435 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6436 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6438 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6440 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6442 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6443 * pa/t-pa64: Delete quadlib.c rule.
6444 * pa/x-ada: Revert last change.
6445 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6447 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6449 PR rtl-optimization/26087
6450 * rtlanal.c (canonicalize_condition): Do not cross basic block
6453 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6456 * config/ia64/ia64.c: Include debug.h.
6457 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6458 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6459 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6460 (process_epilogue, process_set, process_for_unwind_directive):
6461 Output unwind info only if requested. Add CFA info if requested.
6462 Add new arguments as needed. Adjust callers.
6463 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6465 (DWARF2_FRAME_INFO): Define to zero.
6466 * config/ia64/unwind-ia64.c: Remove code that compensated for
6467 the CFA offset error fixed above.
6468 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6469 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6470 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6471 -funwind-tables and -fexceptions to enable frame info.
6472 (dwarf2out_frame_init): Define initial CFA even if
6473 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6474 DWARF2_UNWIND_INFO is nonzero, not just defined.
6475 (dwarf2out_frame_finish): Output non-EH call frame info only
6476 if DWARF2_FRAME_INFO is nonzero.
6477 (convert_cfa_to_loc_list,
6478 compute_frame_pointer_to_cfa_displacement): Define even if
6479 unwind info is not supported.
6480 (gen_subprogram_die): Use the above unconditionally. Remove
6481 legacy alternate code.
6482 * toplev.c (compile_file): Compile in call to
6483 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6484 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6486 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6487 Jakub Jelinek <jakub@redhat.com>
6489 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6490 IBM extended float format long double as "g" on powerpc*-linux.
6492 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6495 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6496 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6498 2006-02-03 Jason Merrill <jason@redhat.com>
6501 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6504 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6505 on the return slot if it's an NRV.
6507 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6509 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6510 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6511 rewrite_use): Do not handle USE_OUTER.
6512 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6513 add_iv_outer_candidates, may_replace_final_value,
6514 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6515 (find_interesting_uses_op): Functionality of
6516 find_interesting_uses_outer_or_nonlin moved here.
6517 (find_interesting_uses_outside): Use find_interesting_uses_op.
6519 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6522 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6524 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6525 Ulrich Weigand <uweigand@de.ibm.com>
6528 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6529 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6530 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6531 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6533 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6534 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6535 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6536 Define secondary reloads for TFmode moves.
6537 (constant_modes): Add TFmode.
6538 (NR_C_MODES): Set to 8.
6539 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6541 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6542 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6543 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6544 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6545 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6546 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6547 (FPR mode macro): Add TFmode.
6548 (DSF mode macro): New.
6549 (<de>, <dee> mode attributes): Removed.
6550 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6551 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6552 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6553 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6554 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6555 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6556 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6557 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6558 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6559 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6560 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6561 "*negabs<mode>2", "sqrt<mode>2"):
6562 Changed <de> to <xde>. R constraint replaced by <Rf>.
6563 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6565 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6566 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6567 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6569 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6570 "extenddftf2", "extendsftf2"): New expanders.
6571 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6572 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6573 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6574 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6576 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6577 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6578 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6579 __floatditf): Add a GCC_4.1.0 symbol version tag.
6580 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6583 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6586 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6587 Use targetm.binds_local_p instead of TREE_PUBLIC.
6589 2006-02-02 Roger Sayle <roger@eyesopen.com>
6591 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6592 on INTEGER_TYPEs to indicate that it denotes a character type.
6593 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6594 signed_char_type_node, unsigned_char_type_node and char_type_node.
6595 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6596 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6597 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6599 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6600 Daniel Berlin <dberlin@dberlin.org>
6602 * tree-tailcall.c (arg_needs_copy_p): New function.
6603 (eliminate_tail_call): Use arg_needs_copy_p.
6604 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6605 (add_virtual_phis): New function.
6607 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6609 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6610 #ignore instead of #scratch for %g7 .register directive.
6612 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6614 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6617 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6619 * flow.c (calculate_global_regs_live): Assert that there aren't any
6622 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6624 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6626 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6627 bsi_after_labels iterator.
6628 * tree-if-conv.c (find_phi_replacement_condition,
6629 replace_phi_with_cond_modify_expr): Likewise.
6630 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6631 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6633 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6635 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6637 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6640 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6641 array after growing it.
6643 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6646 * fold-const.c (fold_checksum_tree): Change type of buf.
6648 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6650 * reload.c (push_secondary_reload): Initialize t_icode.
6652 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6654 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6655 -msoft-float -mlong-double-128 only issue a warning, but don't
6656 swich to DFmode long double.
6658 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6660 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6661 has a constant equivalent, iterate over equivalents for arg0,
6662 calling simplify_relational_operation and if there's a result
6663 cheaper than X, apply fold_rtx and return the result.
6665 2006-02-01 Jan Hubicka <jh@suse.cz>
6667 * opts.c (no_unit_at_a_time_default): New global variable.
6668 (decode_options): Use it.
6669 * opts.h (no_unit_at_a_time_default): Declare.
6671 2006-02-01 Paul Brook <paul@codesourcery.com>
6673 * function.c (assign_parm_setup_reg): Use function argument promotion
6675 * expr.c (expand_expr_real_1): Use function argument promotion rules
6678 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6680 * gcc.c (process_command): Change j to 'unsigned int'.
6682 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6685 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6686 Use the corrected index for the character
6687 out of the string constant.
6689 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6691 * mode-switching.c (optimize_mode_switching): Fix size
6692 allocated for bb_info[n_entities].
6694 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6696 * gcc.c (main): Correct type that is allocated for
6697 explicit_link_files.
6699 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6701 * config/s390/s390.c (init_alignment_context): Set
6702 ALIAS_SET_MEMORY_BARRIER on the MEM.
6703 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6705 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6708 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6710 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6713 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6715 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6716 * regrename.c: Ditto.
6717 * tree-ssa-loop-im.c: Ditto.
6718 * tree-dump.c: Ditto.
6719 * tree-complex.c: Ditto.
6720 * genrecog.c: Ditto.
6721 * tree-ssa-threadupdate.c: Ditto.
6723 * java/class.c: Ditto.
6724 * java/jcf-parse.c: Ditto.
6725 * java/resource.c: Ditto.
6726 * java/except.c: Ditto.
6727 * java/jvspec.c: Ditto.
6728 * java/jcf-write.c: Ditto.
6729 * java/jcf-path.c: Ditto.
6730 * java/gjavah.c: Ditto.
6731 * java/zextract.c: Ditto.
6732 * java/jcf-io.c: Ditto.
6733 * java/jcf.h: Ditto.
6734 * java/buffer.c: Ditto.
6735 * java/lang.c: Ditto.
6736 * java/parse-scan.y: Ditto.
6737 * java/lex.c: Ditto.
6738 * java/lex.h: Ditto.
6739 * cfgloopmanip.c: Ditto.
6740 * postreload-gcse.c: Ditto.
6741 * tree-ssa-loop-manip.c: Ditto.
6742 * postreload.c: Ditto.
6743 * tree-ssa-loop-ch.c: Ditto.
6747 * diagnostic.c: Ditto.
6749 * genoutput.c: Ditto.
6751 * cfghooks.c: Ditto.
6752 * cfgloopanal.c: Ditto.
6753 * objc/objc-act.c: Ditto.
6755 * genextract.c: Ditto.
6756 * genautomata.c: Ditto.
6757 * pretty-print.c: Ditto.
6759 * cgraphunit.c: Ditto.
6762 * haifa-sched.c: Ditto.
6763 * dominance.c: Ditto.
6765 * tree-ssa-loop-ivopts.c: Ditto.
6767 * mode-switching.c: Ditto.
6768 * modulo-sched.c: Ditto.
6770 * ipa-pure-const.c: Ditto.
6772 * fix-header.c: Ditto.
6774 * tree-stdarg.c: Ditto.
6775 * ipa-utils.c: Ditto.
6776 * loop-init.c: Ditto.
6777 * ipa-inline.c: Ditto.
6780 * alloc-pool.c: Ditto.
6781 * dwarf2out.c: Ditto.
6783 * genattrtab.c: Ditto.
6784 * tree-ssa-loop-ivcanon.c: Ditto.
6788 * fortran/gfortranspec.c: Ditto.
6790 * local-alloc.c: Ditto.
6791 * langhooks.c: Ditto.
6792 * function.c: Ditto.
6793 * tree-vectorizer.c: Ditto.
6795 * ipa-type-escape.c: Ditto.
6797 * tree-if-conv.c: Ditto.
6800 * tree-data-ref.c: Ditto.
6801 * loop-unroll.c: Ditto.
6802 * treelang/treetree.c: Ditto.
6805 * ggc-common.c: Ditto.
6807 * coverage.c: Ditto.
6809 * tree-cfgcleanup.c: Ditto.
6810 * tree-ssa-pre.c: Ditto.
6811 * cfgcleanup.c: Ditto.
6812 * loop-invariant.c: Ditto.
6814 * ipa-prop.c: Ditto.
6815 * print-tree.c: Ditto.
6816 * conflict.c: Ditto.
6817 * ggc-page.c: Ditto.
6818 * sched-deps.c: Ditto.
6819 * regclass.c: Ditto.
6820 * tree-object-size.c: Ditto.
6822 * bb-reorder.c: Ditto.
6823 * resource.c: Ditto.
6824 * var-tracking.c: Ditto.
6826 * df-problems.c: Ditto.
6827 * reg-stack.c: Ditto.
6830 * sched-rgn.c: Ditto.
6831 * tree-ssa-structalias.c: Ditto.
6832 * tree-ssa-reassoc.c: Ditto.
6833 * config/darwin-c.c: Ditto.
6834 * config/darwin.c: Ditto.
6835 * config/arm/arm.c: Ditto.
6837 * collect2.c: Ditto.
6840 2006-01-31 Nicolas Pitre <nico@cam.org>
6842 * arm.md (smaxsi3): Make aware of smax_m1.
6845 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6847 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6849 2006-01-31 Richard Guenther <rguenther@suse.de>
6851 * doc/invoke.texi (-msselibm): Document.
6852 * target.h (expand_library_builtin): New target hook.
6853 * builtins.c (expand_builtin): Use expand_library_builtin.
6854 (default_expand_library_builtin): New function.
6855 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6856 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6857 (link_gcc_math_spec): Declare.
6858 (static_specs): Add link_gcc_math_spec.
6859 * expr.h (default_expand_library_builtin): Declare.
6860 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6861 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6862 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6863 * config/i386/i386.opt (msselibm): New target option.
6864 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6865 (ix86_init_sse_abi_builtins): New function.
6866 (ix86_expand_library_builtin): Likewise.
6867 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6868 (override_options): Handle error conditions wrt -msselibm.
6869 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6870 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6871 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6874 2006-01-31 Richard Guenther <rguenther@suse.de>
6875 Paolo Bonzini <bonzini@gnu.org>
6877 * doc/install.texi (--disable-libgcc-math): Document.
6879 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6881 * expr.h (expand_normal): new inline function.
6882 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6884 * dwarf2out.c: use it.
6889 * config/sparc/sparc.c: use it.
6890 * config/i386/i386.c: use it.
6891 * config/rs6000/rs6000.c: use it.
6892 * config/arm/arm.c: use it.
6893 * config/mips/mips.c: use it.
6894 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6896 2006-01-30 Roger Sayle <roger@eyesopen.com>
6898 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6899 argv to the appropriate type.
6901 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6903 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6906 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6909 * config/s390/s390.c (struct machine_function): New flag
6910 decomposed_literal_pool_addresses_ok_p.
6911 (s390_reorg): Set it before final stage of literal pool transforms.
6912 (s390_decompose_address): Only accept displacements of the form
6913 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6915 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6917 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6918 the comparison routine return.
6920 2006-01-30 Michael Matz <matz@suse.de>
6922 * global.c (find_reg): Only evict for global regs.
6923 Take n_refs into account and dump more info.
6925 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6928 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6929 (pragma_trap, pragma_nosave_low_regs): Likewise.
6930 (current_function_anonymous_args): Likewise.
6931 (sh_deferred_function_attributes): New variable.
6932 (sh_deferred_function_attributes_tail): Likewise.
6933 (print_operand): For '@', look up trap_exit attribute.
6934 (calc_live_regs): Look up trapa_handler attribute. For trapa
6935 handlers, save/restore fpscr, but don't do any other
6936 interrupt-specific saves.
6937 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6938 Fix check for partially saved registers to check for SHmedia.
6939 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6940 (sh_output_function_epilogue): Don't clear any of the removed
6942 (sh_insert_attributes): Don't check pragma_interrupt.
6943 Insert deferred attributes. Check that interrupt attribute is
6944 present for other attributes that require its presence.
6945 (sh_attribute_table): Add new attributes trapa_handler and
6947 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6948 Don't check for pragma_interrupt. Don't store argument.
6949 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6950 (sh_deferred_function_attributes): Declare.
6951 (sh_deferred_function_attributes_tail): Likewise.
6952 * sh.md (sp_switch_1): Add operand. Change generator caller.
6953 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6954 (*return_i): Don't use when trap_exit attribute is in effect.
6955 (*return_trapa): New insn pattern.
6957 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6958 setting c_target_objs and cxx_target_objs.
6959 * t-sh: Add rule for sh-c.o.
6961 2006-01-30 Richard Guenther <rguenther@suse.de>
6964 * gimplify.c (gimplify_target_expr): Handle easy cases
6965 without creating a temporary.
6967 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6969 * vec.h (safe_grow): Remove duplicated line.
6971 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6974 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6975 (expand_omp): ... here.
6976 (expand_omp_parallel): Only remove barriers for combined
6977 parallel+workshare constructs.
6979 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6983 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6984 * tree.c (build_qualified_type): Chain the new type to the original
6985 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6986 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6987 (build_pointer_type_for_mode): Only return unqualified types.
6988 (build_reference_type_for_mode): Likewise.
6990 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6992 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6993 * Makefile.in (CXX_COMPAT_WARN): Define.
6994 * configure: Regenerate.
6996 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6999 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7002 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7004 * toplev.c: Fix thinko.
7006 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7007 Marcin Dalecki <martin@dalecki.de>
7009 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7010 (push_srcloc): Use XNEW.
7011 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7013 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7015 * df-core.c (df_set_blocks): Deleted all variable.
7017 2006-01-28 Ian Lance Taylor <ian@airs.com>
7019 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7020 cgraph_output_pending_asms.
7022 2006-01-28 Zack Weinberg <zackw@panix.com>
7024 * c.opt: Add -W(no-)overlength-strings.
7025 * doc/invoke.texi: Document it.
7026 * c-opts.c (c_common_handle_option): -pedantic implies
7027 -Woverlength-strings, if not explicitly disabled already.
7028 (c_common_post_options): -Woverlength-strings defaults to off, and
7029 is always off for C++.
7030 * c-common.c (fix_string_type): Issue warning about strings longer
7031 than is portable only if warn_overlength_strings. Rearrange code
7032 a little for clarity.
7033 * configure.in: Check for -Wno-overlength-strings as well before
7034 enabling -pedantic in stage 1.
7035 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7036 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7038 * genconditions.c (write_header, write_one_condition)
7039 (write_conditions, write_writer): Consolidate very long strings
7040 that were broken up to fit in C89 portable limit. Don't use
7041 printf when fputs will do.
7043 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7045 * combine.c (simplify_comparison <AND>): Check
7046 TRULY_NOOP_TRUNCATION before start using a subreg.
7048 * config/mips/mips.md (*branch_zero<mode>,
7049 *branch_zero<mode>_inverted, *branch_equality<mode>,
7050 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7051 Remove mode check from comparisons.
7053 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7055 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7057 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7059 * expmed.c (const_mult_add_overflow_p): Remove.
7060 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7062 * recog.c (validate_replace_rtx_subexp): Remove.
7063 * recog.h: Remove the prototype for
7064 validate_replace_rtx_subexp.
7066 * integrate.h: Remove the prototype for
7067 copy_decl_for_inlining.
7068 * rtl.h: Remove the prototype for mark_constant_function.
7069 * tree-vectorizer.h: Remove the prototype for
7070 vect_strip_conversion.
7072 * modulo-sched.c (create_partial_schedule,
7073 free_partial_schedule, reset_partial_schedule): Make them
7076 * hooks.c (hook_bool_rtx_int_false): Remove.
7077 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7079 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7081 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7082 and -mlong-double-128 are incompatible.
7083 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7084 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7085 (TARGET_LIBGCC2_CFLAGS): Define.
7086 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7087 (TARGET_LIBGCC2_CFLAGS): Same.
7088 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7090 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7093 * c-typeck.c (build_binary_op): Perform implicit casts of
7094 operands before shortening them.
7096 * cfgloopmanip.c (split_loop_bb): Remove.
7097 * cfgloop.h: Remove the prototype for split_loop_bb.
7099 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7100 * cfgloop.h: Remove the prototype for
7101 flow_loop_outside_edge_p.
7103 * emit-rtl.c (init_virtual_regs): Make it static.
7104 * function.h: Remove the prototype for init_virtual_regs.
7106 * recog.c (peephole2_optimize): Make it static.
7107 * recog.h: Remove the prototype for peephole2_optimize.
7109 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7111 * df-scan.c (df_record_entry_block_defs): Check if
7112 INCOMING_RETURN_ADDR_RTX is defined.
7114 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7115 Kenneth Zadeck <zadeck@naturalbridge.com>
7117 PR rtl-optimization/24762
7118 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7119 * targhooks.c (hook_void_bitmap): New hook prototype.
7120 * targhoohs.h (hook_void_bitmap): Ditto.
7121 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7122 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7123 * target.h (live_on_entry): New function pointer.
7124 * df-scan.c (df_all_hard_regs): Removed.
7125 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7126 (df_scan_free_internal): Added df->entry_block_defs.
7127 (df_scan_alloc): Ditto.
7128 (df_scan_dump): Ditto.
7129 (df_uses_record): Plumbed flag field properly thru calls.
7130 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7131 This part fixes PR24762.
7132 (df_bb_refs_record): Added code to make the frame and arg
7133 pointers live in EH blocks.
7134 (df_refs_record): Added call to df_record_entry_block_defs.
7135 (df_record_entry_block_defs): New function.
7136 * df-core.c: Added comments to describe new artifical defs.
7137 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7138 (entry_block_defs): New field in struct df.
7139 (df_all_hard_regs): Deleted.
7140 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7141 * df-problems.c (df_ru_bb_local_compute_process_def):
7142 Added code to handle artifical defs in the entry to a function.
7143 (df_ru_bb_local_compute): Ditto.
7144 (df_rd_bb_local_compute_process_def): Ditto.
7145 (df_rd_bb_local_compute): Ditto.
7146 (df_lr_bb_local_compute): Ditto.
7147 (df_ur_bb_local_compute): Ditto.
7148 (df_urec_bb_local_compute): Ditto.
7149 (df_chain_create_bb): Ditto.
7150 (df_ur_local_finalize): Removed entry.
7151 (df_urec_init): Ditto.
7152 (df_urec_local_finalize): Ditto.
7153 (df_ri_bb_compute): Added detection of last use of pseudos.
7154 * Makefile.in (df-scan.o): Updated dependencies.
7155 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7156 * config/mips/mips.c (mips_set_live_on_entry): Added.
7157 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7159 * dce.c (marked_insn_p): Added code to handle artifical defs.
7161 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7163 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7165 (_mm_cvtsi128_si64): Likewise.
7166 (_mm_cvtsd_si64): Likewise.
7167 (_mm_cvttsd_si64): Likewise.
7168 (_mm_cvtsi64_sd): Likewise.
7169 (_mm_cvtsi64_si128): Likewise.
7170 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7171 (_mm_cvtsi64_m64): Likewise.
7172 (_m_to_int64): Likewise.
7173 (_mm_cvtm64_si64): Likewise.
7174 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7175 (_mm_cvttss_si64): Likewise.
7176 (_mm_cvtsi64_ss): Likewise.
7177 (_mm_cvtss_f32): Likewise.
7179 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7181 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7182 for pragma redefine_extname.
7184 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7187 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7188 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7189 -mno-minimal-toc to previous content.
7190 (bispecs): Remove goal.
7191 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7192 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7193 compatibility aliases on powerpc-*-*gnu*.
7194 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7195 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7196 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7197 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7198 (ldblspecs): New goal.
7199 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7200 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7202 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7203 L_sf_to_tf or L_df_to_tf is defined.
7205 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7206 Alan Modra <amodra@bigpond.net.au>
7209 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7210 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7211 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7212 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7213 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7214 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7215 (rs6000_override_options): Initialize rs6000_ieeequad.
7216 Initialize TFmode format to ibm_extended_format if not
7218 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7220 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7221 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7222 (function_arg_advance): IBM long double passed in two FPRs, not
7224 (function_arg): IBM long double passed in FPRs.
7225 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7226 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7227 Only multireg GPR aligned.
7228 (rs6000_init_libfuncs): Enable IBM long double functions if not
7230 (rs6000_generate_compare): Use IBM long double compare if not
7232 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7233 (TARGET_IEEEQUAD): Define.
7234 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7235 not TARGET_IEEEQUAD.
7236 * config/rs6000/rs6000.md: Enable TFmode patterns if
7238 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7239 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7240 and -mlong-double-128 are incompatible.
7241 * doc/invoke.texi (-mabi): Collect options together. Add
7242 ibmlongdouble and ieeelongdouble.
7244 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7246 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7248 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7249 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7250 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7251 * rtl.h (rtunion_def): Remove rt_ptr.
7253 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7254 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7255 * config/i386/winnt.c (i386_pe_mark_dllexport)
7256 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7258 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7260 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7262 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7266 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7267 pthread_key_delete. From John David Anglin. gthrw-ify
7268 pthread_getunique_np only if it it's not a macro. Delete
7270 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7271 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7272 __gthread_objc_condition_signal, __gthread_key_delete): Add
7273 "__attribute__ ((__unused__))" to unused arguments.
7274 (__gthread_recursive_mutex_init_function): Add missing return.
7275 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7276 gthr-posix95.h: Use macro-based approach for name redirection
7277 on targets missing weakref.
7279 2006-01-26 Zack Weinberg <zackw@panix.com>
7281 * genconditions.c (write_header): In generated code, #ifdef out
7282 all includes and fake declarations, except includes of bconfig.h
7283 and system.h, unless GCC_VERSION >= 3001. Do not include
7284 gensupport.h in any case.
7285 (write_conditions): Generate a definition of struct c_test. Add
7286 a comment to the generated #endif.
7287 (write_one_condition): Escape backslashes in string too.
7288 (write_writer): Generated code must escape backslashes and quote
7289 marks (but not newlines) in the strings it writes.
7290 * Makefile.in (build/gencondmd.o): Update dependencies.
7292 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7295 * Makefile.in (insn-automata.o): Add header file dependencies.
7296 * genautomata.c: Add includes.
7298 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7301 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7303 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7305 * configure.ac: Expect target tools paths to be passed from the toplevel
7306 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7308 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7310 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7313 * c.opt (Wpointer-sign): Init to -1.
7314 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7315 OPT_pedantic, to 0 otherwise.
7316 * doc/invoke.texi: Update.
7318 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7320 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7321 constants provided by 80387 instructions in the destination mode.
7323 2006-01-26 Richard Guenther <rguenther@suse.de>
7324 Andrew Pinski <pinskia@physics.uc.edu>
7327 partial PR tree-opt/17064
7328 * tree-ssa-structalias.c (intra_create_variable_infos):
7329 Create heap variables for incoming parameters if
7330 flag_argument_noalias > 1.
7331 (find_what_p_points_to): Look through default defs of
7334 2006-01-26 Jeff Law <law@redhat.com>
7337 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7338 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7339 within the VR_RANGE, use the VR_RANGE as the result, not the
7341 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7342 bounds for the type.
7344 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7346 * tree-ssa-alias.c (maybe_create_global_var): Change
7347 subvar walking to an assertion that we don't have subvar'd variables.
7349 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7352 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7353 Use a new variable, inner. PARM_DECLs are always non-weak.
7355 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7357 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7360 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7362 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7364 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7366 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7367 (smax_insn, smin_insn, smax_0, smin_0): New.
7369 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7372 * config/cris/cris.c (cris_order_for_addsi3): New function.
7373 * config/cris/cris-protos.h: Prototype it.
7374 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7375 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7376 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7377 (split for "op.S1 [rx=rx+i],ry (swapped)")
7378 (split for "op(s|u).S1 [rx=rx+i],ry")
7379 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7380 Apply cris_order_for_addsi3 when generating addsi3 insns.
7382 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7384 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7385 (TREE_BLOCK): Add call to EXPR_CHECK.
7387 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7390 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7391 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7392 (dump_omp_clauses): ... here.
7393 (dump_generic_node): Handle OMP_CLAUSE.
7394 * tree.c (omp_clause_num_ops): New.
7395 (omp_clause_code_name): New.
7396 (tree_code_size): Handle OMP_CLAUSE.
7397 (tree_size): Likewise.
7398 (make_node): Document handling of OMP_CLAUSE.
7399 (tree_node_structure): Handle OMP_CLAUSE.
7400 (omp_clause_check_failed): New.
7401 (omp_clause_range_check_failed): New.
7402 (omp_clause_operand_check_failed): New.
7403 (build_omp_clause): New.
7404 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7405 * tree.h (enum omp_clause_code): Declare.
7406 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7407 (OMP_CLAUSE_RANGE_CHECK): Define.
7408 (OMP_CLAUSE_ELT_CHECK): Define.
7409 (omp_clause_check_failed): Declare.
7410 (omp_clause_operand_check_failed): Declare.
7411 (omp_clause_range_check_failed): Declare.
7412 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7413 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7414 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7415 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7416 (OMP_CLAUSE_IF_EXPR): Likewise.
7417 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7418 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7419 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7420 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7421 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7422 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7423 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7424 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7425 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7426 (OMP_CLAUSE_CODE): Define.
7427 (OMP_CLAUSE_SET_CODE): Define.
7428 (OMP_CLAUSE_CODE): Define.
7429 (OMP_CLAUSE_OPERAND): Define.
7430 (struct tree_omp_clause): Declare.
7431 (union tree_node): Add field 'omp_clause'.
7432 * treestruct.def (TS_OMP_CLAUSE): Define.
7433 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7434 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7435 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7436 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7437 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7438 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7439 (OMP_CLAUSE): Define.
7440 * print-tree.c (print_node): Handle OMP_CLAUSE.
7441 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7442 * c-typeck.c: Likewise.
7443 * gimplify.c: Likewise.
7444 * c-omp.c: Likewise.
7445 * tree-nested.c: Likewise.
7446 * tree-inline.c: Likewise.
7447 * c-parser.c: Likewise.
7448 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7451 2006-01-25 Roger Sayle <roger@eyesopen.com>
7453 PR rtl-optimization/25703
7454 * combine.c (try_combine): Handle zero_extract and strict_low_part
7455 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7457 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7459 * global.c: Fix comment typos.
7461 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7464 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7465 Use output_addr_const instead of assemble_name.
7467 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7469 * Makefile.in (sched-vis.o): Update dependencies.
7470 * haifa-sched.c (sched_finish): Clear current_sched_info.
7471 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7472 (dump_flow_info): Call it.
7473 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7475 * basic-block.h (dump_bb_info): Declare.
7476 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7477 option, and apply options only for dump files whose TDF_RTL,
7478 TDF_TREE, or TDF_IPA bits match.
7479 * rtl.h: Declare new functions exported from sched-vis.c.
7480 * sched-vis.c: Enable also if scheduling is not used.
7481 (print_value): Print the mode of registers if not inside scheduling.
7482 (print_insn): Make it work outside the scheduler. Beautify the output
7484 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7486 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7488 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7489 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7490 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7491 depending on the value of CONSTANT_POOL_ADDRESS_P.
7492 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7494 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7495 rather than SYMBOL_REF_DECL.
7496 (rtx_constant_pool): Remove const_rtx_sym_htab.
7497 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7498 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7499 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7500 Remove handling of const_rtx_sym_htab.
7501 (find_pool_constant): Delete.
7502 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7503 rather than find_pool_constant.
7504 (get_pool_constant_for_function): Delete.
7505 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7507 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7508 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7509 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7510 (SYMBOL_REF_CONSTANT): New macro.
7511 (get_pool_constant_for_function): Delete.
7512 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7513 rather than SYMBOL_REF_DECL.
7514 (i386_pe_mark_dllimport): Likewise.
7515 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7516 rather than SYMBOL_REF_DECL.
7517 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7518 (machopic_indirect_call_target): Likewise.
7520 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7522 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7524 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7526 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7528 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7530 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7532 2006-01-24 David Daney <ddaney@avtrex.com>
7535 * configure.ac (enable_tls): New enable option.
7536 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7537 * configure: Regenerate.
7538 * doc/install.texi (--enable-tls): Document new option.
7539 (--disable-tls): Ditto.
7541 2006-01-24 Richard Henderson <rth@redehat.com>
7543 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7544 * alias.c (true_dependence): Respect it.
7545 (canon_true_dependence, write_dependence_p): Likewise.
7546 * builtins.c (get_builtin_sync_mem): Set it.
7548 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7550 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7553 2006-01-24 DJ Delorie <dj@redhat.com>
7555 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7556 for storing constants in single-bit bitfields.
7558 2006-01-25 Ben Elliston <bje@au.ibm.com>
7560 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7562 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7565 * tree-ssa-pre.c (phi_translate): Return NULL
7566 for AGGREGATE_TYPE's.
7568 2006-01-24 Zack Weinberg <zackw@panix.com>
7570 * genautomata.c (process_state_for_insn_equiv_partition):
7571 Use xcalloc for insn_arcs_array.
7572 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7573 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7575 2006-01-24 Richard Henderson <rth@redhat.com>
7577 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7580 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7582 PR rtl-optimization/25890
7583 PR rtl-optimization/25905
7584 * combine.c (expand_compound_operation, expand_field_assignment):
7585 Fail if the bitfield's final position is out of bounds.
7587 2006-01-24 Ian Lance Taylor <ian@airs.com>
7590 * cgraphunit.c (cgraph_output_in_order): Don't clear
7591 cgraph_asm_nodes until after asm strings have been output.
7593 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7595 * fix-header.c (read_scan_file): Add new parameter imultilib when
7596 calling register_include_chains.
7598 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7600 * omp-low.c: Update documentation.
7602 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7603 Daniel Berlin <dberlin@dberlin.org>
7607 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7608 return from the function.
7610 2006-01-22 Zack Weinberg <zackw@panix.com>
7612 * rtl.def (match_code): Add second argument.
7613 * genpreds.c (write_extract_subexp): New function.
7614 (write_match_code): Add path argument. Use write_extract_subexp.
7615 (write_predicate_expr): Pass path to write_match_code.
7616 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7617 not perform a mode test.
7618 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7619 a subexpression does not constrain the top-level code set.
7620 * read-rtl.c (read_rtx_variadic): New function.
7621 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7622 * doc/md.texi: Document new notation.
7623 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7624 (cmpsi_operand): ... here, using new notation.
7626 2006-01-22 Zack Weinberg <zackw@panix.com>
7628 * varray.c: Remove GENERATOR_FILE #ifdefs.
7630 2006-01-22 Zack Weinberg <zackw@panix.com>
7632 * genautomata.c (output_reserved_units_table): Emit nothing if
7633 description->query_units_num is zero. Remove extra blank line.
7634 (output_cpu_unit_reservation_p): Short circuit
7635 if description->query_units_num is zero.
7637 2006-01-22 Zack Weinberg <zackw@panix.com>
7639 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7640 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7641 nor any of the random handful of variables that used to be necessary
7642 when this program was linked with rtlanal.o. Prune set of forward
7643 function declarations.
7644 (struct attr_desc): Remove static_p field.
7645 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7646 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7647 (attr_string): Do not read the character one past the length of
7649 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7650 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7651 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7652 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7653 (make_automaton_attrs): New.
7654 (main): Do not call into genautomata. Call local gen_bypass
7655 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7656 Remove special case for insn_alts.
7657 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7658 varray.h (leftover from previous change). Prune set of forward
7659 function declarations. Remove state_alts fields from all
7660 structures. Remove state_alts_table from struct automaton.
7661 Make everything except main static. Do not maintain num_dfa_decls.
7662 Do not maintain state_alts fields of various structures.
7663 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7664 (add_arc): Remove state_alts argument. All callers updated.
7665 (output_reserved_units_table): Emit #ifdef here...
7666 (output_tables): ...not here. Don't generate state_alts tables.
7667 (expand_automata): Don't generate attributes.
7668 (write_automata): Don't generate state_alts functions.
7669 (main): New function.
7670 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7671 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7672 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7673 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7674 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7675 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7676 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7677 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7679 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7680 * genattrtab.h: Delete file.
7681 * Makefile.in (OBJS-common): Add insn-automata.o.
7682 (insn-automata.o): New rule.
7683 (simple_generated_c): Add insn-automata.c.
7684 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7685 (genprogmd): Add automata.
7686 (build/genattrtab): Needs no extra objects nor libraries.
7687 (build/genautomata): Needs build/vec.o and -lm.
7689 2006-01-22 Zack Weinberg <zackw@panix.com>
7691 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7692 (output_dfa_max_issue_rate, locked_states_num): Delete.
7693 (struct automaton): Add locked_states field.
7694 (output_dead_lock_vect): Save number of locked states in
7695 automaton->locked_states. If it is zero, don't print anything.
7696 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7697 (output_internal_dead_lock_func): Only test the dead_lock_vect
7698 for automata that have locked states.
7699 (output_statistics): Always print the number of locked states for
7700 each automaton. Calculate total number of locked states here.
7701 (write_automata): Don't call output_dfa_max_issue_rate.
7702 * genattrtab.c: Define length_unit_log as a const variable.
7703 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7704 max_insn_queue_index const.
7705 * final.c (length_unit_log): Declare const.
7706 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7708 2006-01-22 Zack Weinberg <zackw@panix.com>
7710 * genautomata.c: Include vec.h, not varray.h.
7711 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7712 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7713 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7714 VEC_* macros operating on appropriately typed vectors, or to
7715 malloced arrays when the size is known in advance. Const-ify
7716 many char* variables and function arguments. No functional changes.
7717 * Makefile.in (build/varray.o): Delete rule.
7718 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7719 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7721 2006-01-22 Zack Weinberg <zackw@panix.com>
7723 * gensupport.c: Define get_insn_name and record_insn_name here.
7724 (read_md_rtx): Call record_insn_name as appropriate.
7725 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7726 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7727 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7729 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7730 (BUILD_VARRAY): Delete.
7731 (genprognormal): Rename genprogmd. Fold in all programs from
7732 genprognoprint; also attrtab.
7733 (build/genattrtab): Just mention genautomata.o and varray.o.
7734 Reorganize a bit, add comments to make the categories clearer.
7736 2006-01-22 Zack Weinberg <zackw@panix.com>
7738 * genconditions.c (condition_table, add_condition): Delete.
7739 (write_conditions): Don't emit n_insn_conditions nor
7740 insn_elision_unavailable. Issue the gcc version #ifdef here,
7741 inside the table, with no #else clause ...
7742 (write_header): ...not here.
7743 (write_writer): New function.
7744 (main): Don't initialize condition_table. Use add_c_test.
7746 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7747 files on the command line.
7748 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7749 Return -1 if there is no entry in the table, don't abort.
7750 (add_c_test, traverse_c_tests): New functions.
7751 * gensupport.h (insn_elision_unavailable, insn_conditions)
7752 (n_insn_conditions): Delete declarations.
7753 (add_c_test, traverse_c_tests): Declare.
7754 * read-rtl.c: Include gensupport.h.
7755 (read_conditions): New function.
7756 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7757 (read_rtx_1): If we get EOF when we were looking for an initial
7758 open paren, return 0. Call read_conditions when appropriate.
7759 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7760 dummy-conditions.o. Eliminate references to insn-conditions.o,
7761 or change them to build/gencondmd.o, as appropriate. Remove
7762 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7763 from $(simple_generated_c). For all files remaining in those
7764 two lists, add insn-conditions.md to the generator command line.
7765 Give insn-constants.h/s-constants their own rules. Add rules
7766 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7767 (build/read-rtl.o): Depend on gensupport.h.
7768 (genprognormal): Include preds.
7769 (genprogearly): Rename genprognoprint; only difference is now that
7770 they don't link with $(BUILD_PRINT).
7771 * dummy-conditions.c: Delete.
7773 2006-01-22 Zack Weinberg <zackw@panix.com>
7775 * genextract.c: Don't include insn-config.h. Do include vec.h.
7776 Declare vectors of int, char, and locstr.
7777 (locstr): New typedef.
7778 (struct extraction): Make all array fields into bare pointers.
7779 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7780 (insn_code_number): Delete.
7781 (accum_extract): New struct.
7782 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7783 (gen_insn): Take insn_code_number as an argument. Use an
7784 accum_extract structure instead of loading data directly into
7785 a struct extraction, and having to know how big it might get.
7786 (walk_rtx): Operate entirely on an accum_extract structure.
7787 (print_path): Avoid unnecessary use of printf.
7788 (print_header): New function, split out of main. Distinguish
7789 more carefully between an unrecognizable insn and an insn that
7790 has the code number of a define_expand.
7791 (main): Pass insn_code_number to gen_insn. Call print_header
7792 only after parsing. Avoid unnecessary use of printf.
7793 * Makefile.in (build/vec.o): New rule.
7794 (build/genextract): Depend on build/vec.o.
7795 (build/genextract.o): Don't depend on insn-config.h.
7797 2006-01-22 Zack Weinberg <zackw@panix.com>
7799 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7800 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7801 practical. Eliminate per-generator-program link rules.
7803 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7806 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7807 with a call expr to ...
7808 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7810 2006-01-23 Richard Guenther <rguenther@suse.de>
7812 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7813 before make_edge with conditional EDGE_TRUE_VALUE.
7815 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7816 Jan Hubicka <jh@suse.cz>
7817 Richard Guenther <rguenther@suse.de>
7819 PR rtl-optimization/25654
7820 * cfgexpand.c (aggregate_contains_union_type): New function.
7821 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7822 for structure variables that contain a union type.
7824 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7826 * gengtype.c (new_structure): Return the structure.
7827 (create_option): Add an extra "next" argument.
7828 (create_field): New function.
7829 (adjust_field_rtx_def): Use create_option and create_field.
7830 Remove a now-unnecessary call to find_structure.
7831 (adjust_field_tree_def): Likewise.
7832 (note_yacc_type): Remove an unnecessary call to find_structure.
7833 * gengtype.h (new_structure): Return the structure.
7834 (create_option): Add an extra argument.
7835 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7836 (option): Adjust calls to create_option.
7838 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7840 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7842 2006-01-22 Paul Brook <paul@codesourcery.com>
7843 Peter Barada <peter@the-baradas.com>
7845 * config/m68k/m68k.md: Add Coldfire FPU support.
7846 Define FP mode macro and associated attributes.
7847 Use it for float mode patterns.
7848 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7849 (LIBCALL_VALUE): Use m68k_libcall_value.
7850 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7851 (m68k_function_value): Ditto.
7852 (emit_move_sequence): Ditto.
7853 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7854 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7855 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7856 (MULTILIB_EXCEPTIONS): Ditto.
7857 * config/m68k/m68k.opt: Add mcfv4e.
7858 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7859 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7860 (m68k_output_function_prologue): Save ColdFire FPU registers.
7861 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7862 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7863 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7864 ColdFire FPU registers.
7865 (m68k_libcall_value, m68k_function_value): New functions.
7866 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7867 (LIBCALL_VALUE): Use m68k_libcall_value.
7868 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7869 (MASK_COLDFIRE): Add MASK_CFV4E.
7870 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7871 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7872 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7873 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7874 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7875 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7876 * doc/invoke.tex: Document -mcfv4e on m68k.
7878 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7880 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7883 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7886 * c-opts.c (c_common_handle_option): Don't include
7887 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7888 * doc/invoke.texi (C++ Dialect Options): Document that
7889 -Wnon-virtual-dtor is no longer included in -Wall.
7891 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7893 * gcov.c (print_version), gcov-dump.c (print_version),
7894 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7897 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7899 * df-scan.c (problem_SCAN): Added NULL reset function.
7900 (df_scan_reset_blocks): Added code to call reset block function
7901 (df_bb_refs_delete) Fixed comment.
7902 (df_insn_refs_delete): Made tolerant of deleting non existent info
7903 for dataflow problems that need to be reset.
7904 * df-core.c (df_set_blocks): Ditto.
7905 * df.h (struct df_problem): Added reset_fun.
7906 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7907 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7908 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7909 functions to clear out all references to def-use or use-def chains.
7911 2006-01-21 Ben Elliston <bje@au.ibm.com>
7913 * varasm.c (assemble_real): Initialise data array.
7915 2006-01-20 Paul Brook <paul@codesourcery.com>
7917 Merge from csl-arm-branch.
7918 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7919 * config/arm/arm.md (movdi): Force operands[1] to a register
7920 if we have a non-register source.
7921 (*arm_movdi, *movdf_soft_insn): Require that one of the
7922 operands be a register.
7923 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7924 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7926 2006-01-20 DJ Delorie <dj@redhat.com>
7928 * varasm.c (initialize_constant_valid_p): Allow pointers
7929 initialized from integer constants of lesser precision.
7930 (output_constant): Allow non-int-sized pointer modes to be
7931 initialized from integer constants.
7933 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7936 * cppdefault.h (struct default_include): Add multilib flag.
7937 * cppdefault.c (cpp_include_defaults): Set it.
7938 * c.opt (-imultilib): New option.
7939 * c-opts.c (imultilib): New.
7940 (c_common_handle_option): Handle -imultilib.
7941 (c_common_post_options): Likewise.
7942 * c-incpath.c (add_standard_paths, register_include_chains):
7944 * c-incpath.h (register_include_chains): Add extra parameter.
7945 * gcc.c (do_spec_1): Generate -imultilib option.
7946 (The Specs Language): Update %I description.
7947 (process_command): Update copyright notice.
7948 * doc/cppopts.texi (-imultilib): Document.
7949 * doc/invoke.texi (-imultilib): Include in option summary.
7950 (%I): Update specs documentation.
7952 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7954 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7956 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7958 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7961 2006-01-20 Richard Guenther <rguenther@suse.de>
7962 Steven Bosscher <stevenb.gcc@gmail.com>
7964 PR rtl-optimization/24626
7965 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7966 EDGE_TRUE_VALUE if in RTL mode.
7969 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7970 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7972 2006-01-20 Dirk Mueller <dmueller@suse.com>
7975 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7976 instead of a special NOP marker.
7977 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7978 NOP marker handling.
7979 * c-common.h (empty_body_warning): Add forward declaration.
7980 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7981 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7983 2006-01-20 Paul Brook <paul@codesourcery.com>
7985 * Makefile.in (lang_checks): Keep going if mkdir fails.
7987 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7989 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7990 be able to clean out basic block when not necessary.
7991 (df_scan_free): Fixed to properly delete information if df is
7992 unused before calling df_finish.
7993 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7994 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7996 (df_bb_refs_delete): New function.
7997 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7998 * df-core.c (df_set_blocks): Added code to properly clean out
7999 unused blocks if they are not part of the blocks to consider.
8000 Added additional null check.
8001 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8002 be able to clean out basic block when not necessary
8003 * df.h (df_free_bb_function): Ditto.
8004 (df_bb_refs_delete): New function.
8005 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8006 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8007 basic block parameter to be able to clean out basic block when not
8009 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8010 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8011 Fixed to properly delete information if df is unused before
8014 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8016 PR rtl-optimization/25799
8017 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8018 Corrected confluence operator to remove bits from op2 before oring
8019 with op1 rather than removing bits from op1.
8020 (df_ru_transfer_function): Corrected test on wrong bitmap which
8021 caused infinite loop. Both of these problems were introduced in
8022 the dataflow rewrite.
8024 2006-01-19 DJ Delorie <dj@redhat.com>
8026 * reload1.c (find_reload_regs): Note the details of reload
8027 failures in the dump file.
8028 (spill_failure): Likewise.
8030 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8032 * loop-iv.c: Include df.h and hashtab.h.
8033 (enum iv_grd_result): New enum.
8034 (DF_REF_IV, DF_REF_IV_SET): New macros.
8035 (struct biv_entry): New.
8036 (df, bivs): New global variables.
8037 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8038 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8040 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8041 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8042 analyzed_for_bivness_p, record_biv): New functions.
8043 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8044 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8045 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8047 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8049 (iv_number_of_iterations): Use new interface to iv analysis.
8050 * loop-unroll.c: Do not include varray.h.
8051 (analyze_iv_to_split_insn): Use new interface to iv
8053 * loop-unswitch.c (may_unswitch_on): Ditto.
8054 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8056 (df_bb_modify): Realloc tables to the new index.
8057 (df_find_use): New function.
8058 * df.h (df_find_use): Declare.
8059 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8061 * cfgloop.h (struct rtx_iv): Remove analysed field.
8062 (iv_get_reaching_def): Removed.
8063 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8064 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8065 (loop-iv.o): Add df.h and hashtab.h dependency.
8066 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8068 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8071 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8073 (__floatundisf, __floatundidf): Likewise.
8074 * libgcc2.h (IS_IBM_EXTENDED): Define.
8076 2006-01-19 DJ Delorie <dj@redhat.com>
8078 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8080 2006-01-19 Paul Brook <paul@codesourcery.com>
8082 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8083 as nothrow when unwinding tables are disabled.
8085 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8088 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8089 of bit-field" when in system header.
8091 2006-01-19 DJ Delorie <dj@redhat.com>
8093 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8094 the 16 bit shift limit of the m16c.
8096 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8099 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8100 * config/i386/i386.c (output_set_got): Output the label if we have one
8101 for the TARGET_DEEP_BRANCH_PREDICTION case.
8103 2006-01-19 Jan Hubicka <jh@suse.cz>
8104 H.J. Lu <hongjiu.lu@intel.com>
8105 Evandro Menezes <evandro.menezes@amd.com>
8107 * invoke.texi (generic): Document
8109 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8110 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8111 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8112 (x86_use_incdec, x86_pad_returns): New variables
8113 (TARGET_CPU_DEFAULT_generic): New constant
8114 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8115 (enum processor_type): Add generic32 and generic64.
8116 * i386.md (cpu attribute): Add generic32/generic64
8117 (movhi splitter): Behave sanely when both partial_reg_dependency and
8118 partial_reg_stall are set.
8119 (K8 splitters): Enable for generic as well.
8120 * predicates.md (incdec_operand): Use TARGET_INCDEC
8121 (aligned_operand): Avoid memory mismatch stalls.
8122 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8123 * ppro.md: Enable for generic32
8124 * i386.c (generic64_cost, generic32_cost): New.
8125 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8126 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8127 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8128 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8129 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8130 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8131 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8132 x86_accumulate_outgoing_args, x86_prologue_using_move,
8133 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8134 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8136 (x86_use_incdec, x86_pad_returns): New.
8137 (override_options): Add generic32 and generic64, translate "generic"
8138 to generic32/generic64 and "i686" to "generic32", refuse
8139 "generic32"/"generic64" as arch target.
8140 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8141 (ix86_reorg): Honor PAD_RETURNS.
8143 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8145 * tree-pretty-print.c (dump_generic_node): Handle
8146 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8147 * cgraph.c (cgraph_expand_queue): Rename from
8148 cgraph_analyze_queue. Update all users.
8149 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8150 cgraph_expand_queue.
8151 (cgraph_expand_all_functions): Likewise.
8152 (cgraph_finalize_pending_functions): Remove. Update callers.
8154 * tree.h (OMP_DIRECTIVE_P): Define.
8155 (OMP_PARALLEL_FN): Define.
8156 (OMP_PARALLEL_DATA_ARG): Define.
8157 (OMP_SECTIONS_SECTIONS): Define.
8158 * tree-pass.h (pass_expand_omp): Declare.
8159 * omp-low.c (struct omp_region): Declare.
8160 (struct omp_context): Remove fields 'parallel_type',
8161 'parallel_start_ix' and 'parallel_start_additional_args'.
8163 (struct omp_for_data): Rename from struct expand_omp_for_data.
8164 (omp_regions): New static variable.
8165 (root_omp_region): New static variable.
8166 (find_omp_clause): Make static.
8167 (is_in_combined_parallel_ctx): Remove.
8168 (is_combined_parallel): New.
8169 (extract_omp_for_data): Move earlier in the file.
8170 (workshare_safe_to_combine_p): New.
8171 (get_ws_args_for): New.
8172 (determine_parallel_type): Move earlier in the file.
8173 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8175 (omp_copy_decl): Likewise.
8176 (create_omp_child_function): Likewise.
8177 (lookup_omp_region): New.
8178 (dump_omp_region): New.
8179 (debug_omp_region): New.
8180 (debug_all_omp_regions): New.
8181 (new_omp_region): New.
8182 (scan_omp_parallel): If parallel_nesting_level > 1, the
8183 directive is nested within another parallel directive.
8184 Set OMP_PARALLEL_FN.
8185 (scan_omp_for): Do not try to handle combined parallel+for
8187 Remove FIXME comment.
8188 (scan_omp_nested): Remove.
8189 (scan_omp_1): Do not call scan_omp_nested when
8190 parallel_nesting_level is > 1.
8191 Do not change the DECL_CONTEXT of local variables found.
8192 (lookup_decl_in_outer_ctx): New.
8193 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8194 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8195 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8196 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8197 If CTX is nested, lookup VAR in the outer context when
8198 building copy assignment.
8199 (lower_send_clauses): Rename from expand_send_clauses.
8200 If CTX is nested, lookup VAR in the outer context when
8201 building copy assignments.
8202 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8203 If CTX is nested, lookup VAR in the outer context when
8204 building copy assignments.
8205 (expand_parallel_call): Rename from build_parallel_call.
8206 Handle combined parallel+workshare cases.
8207 Re-implement to emit code into the CFG.
8209 (expand_omp_parallel): Re-implement to emit code into the CFG.
8210 Call move_sese_region_to_fn to outline the sub-graph
8211 containing the parallel region.
8212 (expand_omp_for_1): Remove.
8213 (expand_omp_for_generic): Re-implement to emit code into the
8215 (expand_omp_for_static_nochunk): Likewise.
8216 (expand_omp_for_static_chunk): Likewise.
8217 (expand_omp_for): Likewise.
8218 (expand_omp_sections): Likewise.
8219 (remove_exit_barriers): New.
8220 (expand_omp_synch): New.
8222 (build_omp_regions_1): New.
8223 (build_omp_regions): New.
8224 (execute_expand_omp): New.
8225 (gate_expand_omp): New.
8226 (pass_expand_omp): Define.
8227 (lower_omp_sections): Rename from expand_omp_sections.
8228 Set OMP_SECTIONS_SECTIONS.
8229 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8230 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8231 (lower_omp_single): Rename from expand_omp_simple.
8232 (lower_omp_master): Rename from expand_omp_master.
8233 (lower_omp_ordered): Rename from expand_omp_ordered.
8234 (lower_omp_critical): Rename from expand_omp_critical.
8235 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8236 (lower_omp_for): Re-implement.
8237 (lower_omp_parallel): Re-implement.
8238 (lower_regimplify): Rename from expand_regimplify.
8239 (lower_omp_1): Rename from expand_omp_1.
8240 If there are syntax errors in the program, replace every
8241 OpenMP directive with NOP.
8242 Call lower_omp_* instead of expand_omp_*.
8243 (lower_omp): Rename from expand_omp.
8245 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8246 * tree-gimple.h (enum omp_parallel_type): Remove.
8247 (gimple_boolify): Declare extern.
8248 (find_omp_clause, determine_parallel_type): Remove.
8250 * gimple-low.c (lower_omp_directive): New.
8251 (lower_stmt): Call it.
8252 (record_vars_into): Move from ...
8253 (record_vars): ... here.
8254 Call record_vars_into with current_function_decl.
8256 * gimplify.c (struct gimplify_ctx): Remove fields
8257 combined_pre_p and combined_ctxp. Update users.
8258 (get_formal_tmp_var): Add documentation.
8259 (gimple_boolify): Make extern.
8260 (gimplify_expr_in_ctx): Remove. Update callers.
8261 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8262 will always be a BIND_EXPR.
8263 (gimplify_expr): Handle OMP_RETURN_EXPR.
8264 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8265 (OMP_PARALLEL): Add 3 operands.
8266 (OMP_SECTIONS): Add 1 operand.
8267 (OMP_RETURN_EXPR): Define.
8269 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8270 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8271 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8272 creating a circular free list.
8273 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8275 * tree-flow.h (move_sese_region_to_fn): Declare.
8276 (record_vars_into): Declare.
8277 * tree-cfg.c (make_omp_sections_edges): New.
8278 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8279 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8280 OMP_SECTIONS and OMP_SECTION.
8281 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8282 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8283 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8284 (gather_blocks_in_sese_region): New.
8285 (struct move_stmt_d): Declare.
8287 (move_block_to_fn): New.
8288 (move_sese_region_to_fn): New.
8290 * passes.c (init_optimization_passes): Schedule
8291 pass_expand_omp after pass_init_datastructures.
8293 * tree-ssa-operands.c (get_expr_operands): Handle
8294 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8295 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8297 2006-01-19 Jeff Law <law@redhat.com>
8299 * tree-vrp.c (extract_range_from_assert): Refine the result range
8300 if the variable referenced by the ASSERT_EXPR has a range and
8301 either the tentative result range or the previous range is a
8304 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8306 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8308 2006-01-19 Jan Hubicka <jh@suse.cz>
8310 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8312 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8314 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8315 (expand_compound_operation, expand_field_assignment): Fail if the
8316 bit lengths of an extract operation are out of range.
8317 (make_extraction): Compute wanted_inner_mode based on the position
8318 and length of the extraction. Make it extraction_mode for non-constant
8319 positions, and do not modify offset in that case. When generating a
8320 new MEM, use a mode that can hold the extraction while keeping correct
8321 alignment. Remove code that supported MEMs wrapped by USEs.
8322 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8324 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8326 * config/s390/s390.md ("Y", "y"): New mode attribute.
8327 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8328 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8329 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8330 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8331 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8332 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8333 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8334 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8335 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8336 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8337 "addsi3", "subsi3"): Insn patterns removed.
8338 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8339 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8340 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8341 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8342 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8343 "*sub<mode>3_cconly2"): New insn patterns.
8344 ("addsi3", "subsi3"): New expanders.
8346 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8348 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8349 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8350 existing STMT_VINFO_VECTYPE if available.
8351 (vect_mark_relevant): Add special handling for stmts that are
8352 marked as STMT_VINFO_IN_PATTERN_P.
8353 (vect_analyze_loop): Call vect_pattern_recog.
8354 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8355 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8357 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8358 (vect_recog_func_ptr): New function-pointer type.
8359 * tree-vect-patterns.c: New file.
8360 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8361 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8362 (vect_pattern_recog_1): New functions.
8363 (vect_pattern_recog_funcs): New array of function pointers.
8365 * tree-vectorizer.h (ternary_op): New enum value.
8366 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8367 declaration. Revised documentation. Removed redundant dump prints.
8368 Removed redundant argument. Added support for reduction patterns.
8369 (vectorizable_reduction): Added support for reduction patterns.
8370 (vect_transform_stmt): Added support for patterns.
8372 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8373 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8374 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8375 (expand_widen_pattern_expr): New function.
8376 (init_optabs): Initialize new optabs udot_prod_optab,
8378 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8379 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8380 (expand_widen_pattern_expr): New function declaration.
8381 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8383 * tree-inline.c (estimate_num_insns_1): Added cases for new
8384 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8385 * tree-pretty-print.c (dump_generic_node): Likewise.
8386 (op_prio): Likewise.
8387 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8388 * tree-ssa-operands.c (get_expr_operands): Added case for
8390 * tree-vect-patterns.c (widened_name_p): New function.
8391 (vect_recog_dot_prod_pattern): Added function implementation.
8392 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8393 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8394 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8395 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8397 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8398 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8399 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8400 (init_optabs): Initialize new optabs widen_ssum_optab,
8402 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8403 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8404 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8405 use instead of type of def.
8406 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8407 function implementation.
8408 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8409 widen_ssumv8hi): New.
8411 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8414 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8417 * c-decl.c (add_flexible_array_elts_to_size): New function.
8418 (finish_decl): Use it.
8420 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8422 * diagnostic.h: Include options.h.
8423 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8424 dependancies for diagnostic.h.
8425 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8427 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8429 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8430 (ssa_ro_call_cache_valid): Ditto.
8431 * tree-ssa-alias.c (sort_tags_by_id): New function.
8432 (init_transitive_clobber_worklist): Ditto.
8433 (add_to_worklist): Ditto.
8434 (mark_aliases_call_clobbered): Ditto.
8435 (compute_tag_properties): Ditto.
8436 (set_initial_properties): Ditto.
8437 (compute_call_clobbered): Ditto.
8438 (compute_may_aliases): Call compute_call_clobbered and grouping.
8439 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8440 (compute_flow_insensitive_aliasing): Grouping now happens in our
8442 (setup_pointers_and_addressables): Remove clobbering related code.
8443 (add_may_alias): Ditto.
8444 (replace_may_alias): Ditto.
8445 (get_nmt_for): Ditto.
8446 (create_global_var):
8447 (is_escape_site): Return an escape_type enumeration.
8448 * tree-flow-inline.h (is_call_clobbered): Global var does not
8449 imply call clobbered.
8450 (mark_call_clobbered): Take a reason for marking this. Remove
8451 marking of globalness, and cache invalidation.
8452 (clear_call_clobbered): Remove cache invalidation code.
8453 * tree-dfa.c (dump_variable): If details is on, dump the reason
8455 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8457 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8458 (struct var_ann_d): Ditto.
8459 (enum escape_type): New.
8460 (mark_call_clobbered): Adjust prototype.
8461 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8462 are never call clobbered.
8463 Record reasons for escaping.
8464 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8465 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8466 (ssa_ro_call_cache_valid): Ditto.
8467 (clobbered_v_may_defs): Ditto.
8468 (clobbered_vuses): Ditto.
8469 (ro_call_vuses): Ditto.
8470 (clobber_stats): New.
8471 (init_ssa_operands): Zero out clobber stats.
8472 (fini_ssa_operands): Print out clobber stats.
8473 (get_call_expr_operands): Pass callee fndecl to
8475 (add_call_clobber_ops): Remove use of cache.
8476 Add use of PURE_CONST information.
8477 (add_call_read_ops): Remove use of cache.
8478 Add use of static not_read information.
8480 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8482 Introduce TLS descriptors for i386 and x86_64.
8483 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8484 (TARGET_ANY_GNU_TLS): New macro.
8485 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8486 (struct machine_function): Add tls_descriptor_call_expanded_p.
8487 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8488 (ix86_current_function_calls_tls_descriptor): Likewise.
8489 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8490 (override_options): Introduce gnu2 tls dialect.
8491 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8493 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8495 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8496 (ix86_init_machine_status): Initialize new field.
8497 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8498 (ix86_tls_module_base): New.
8499 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8500 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8501 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8502 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8503 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8504 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8505 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8506 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8507 * config/i386/predicates.md (tls_modbase_operand): New.
8508 (tp_or_register_operand): New.
8510 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8512 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8513 (look_for_address_of): Ditto.
8514 (ipa_init): Walk the function decls.
8515 (static_execute): Don't set readonly on FUNCTION_DECL's.
8517 2006-01-18 Roger Sayle <roger@eyesopen.com>
8519 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8520 for shifts where the source and destination registers are different.
8522 2006-01-18 Paul Brook <paul@codesourcery.com>
8524 Merge from csl-arm-branch.
8525 2005-03-14 Julian Brown <julian@codesourcery.com>
8526 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8527 (aeabi_llsl): Likewise.
8528 (ashrdi3): Likewise.
8529 (aeabi_lasr): Likewise.
8530 (lshrdi3): Likewise.
8531 (aeabi_llsr): Likewise.
8532 2005-03-10 Julian Brown <julian@codesourcery.com>
8533 * config.gcc: Disable shared libgcc for SymbianOS.
8534 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8536 2006-01-18 DJ Delorie <dj@redhat.com>
8538 * c-pragma.c (handle_pragma_diagnostic): New.
8539 (init_pragma): Register it.
8540 * doc/extend.texi: Document it.
8542 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8543 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8544 (diagnostic_context): Add classify_diagnostic[].
8545 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8546 as errors if they're overridden to DK_WARNING.
8547 (diagnostic_initialize): Initialize classify_diagnostic[].
8548 (diagnostic_set_kind_override): New.
8549 (diagnostic_report_diagnostic): Check for kind changes.
8550 * opts.c (common_handle_option): Take lang_mask. Update callers.
8552 * common.opt (Werror=): New.
8553 * doc/invoke.texi: Document -Werror=*
8555 2006-01-18 Jeff Law <law@redhat.com>
8557 * tree-vrp.c (test_for_singularity): Correct test for new
8558 min limit. Use operand_equal_p rather than pointer equality
8559 for testing if new min/max values are equal.
8561 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8562 using range information until after propagation and folding.
8564 2006-01-18 Richard Henderson <rth@redhat.com>
8565 Aldy Hernandez <aldyh@redhat.com>
8566 Jakub Jelinek <jakub@redhat.com>
8567 Diego Novillo <dnovillo@redhat.com>
8569 * omp-low.c: New file.
8570 * c-omp.c: New file.
8572 2006-01-18 Richard Henderson <rth@redhat.com>
8573 Jakub Jelinek <jakub@redhat.com>
8574 Diego Novillo <dnovillo@redhat.com>
8576 * doc/invoke.texi: Document -fopenmp.
8577 * tree-dump.h (debug_function): Declare.
8578 * hooks.c (hook_bool_tree_bool_false): New function.
8579 (hook_tree_tree_null): Remove.
8580 (hook_tree_tree_tree_null): New.
8581 * hooks.h: Update to match.
8582 * tree-pretty-print.c (debug_tree_chain): New.
8583 (print_generic_expr): Handle TDF_CHAIN.
8584 (dump_generic_node): Handle BLOCK.
8585 Do not abort with incomplete SWITCH_EXPRs.
8586 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8587 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8588 print space after directive name.
8589 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8590 Handle OMP_MASTER and OMP_ORDERED.
8591 Handle printing of OMP_BODY just in one place, goto
8592 dump_omp_body in the rest of OMP_* nodes that have
8594 Don't handle clause nodes here. Update omp statements to
8595 use dump_omp_clauses.
8596 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8597 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8598 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8599 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8600 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8601 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8602 Adjust output for GOMP_PARALLEL.
8603 (dump_omp_clauses): New.
8604 (print_declaration): Dump DECL_VALUE_EXPR.
8605 (op_symbol_1): Split out of op_symbol.
8606 (dumping_stmts): Remove. Update all users.
8607 * cgraph.c (cgraph_analyze_queue): New.
8608 (cgraph_add_new_function): New.
8609 * cgraph.h (cgraph_analyze_queue): Declare.
8610 (cgraph_add_new_function): Declare.
8611 (cgraph_lower_function): Remove.
8612 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8613 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8614 and TYPE_P nodes in its default clause.
8615 (empty_body_p): New.
8616 (tree_range_check_failed): New.
8618 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8619 OMP_CLAUSE_REDUCTION_MERGE,
8620 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8621 OMP_CLAUSE_PRIVATE_DEBUG,
8622 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8623 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8624 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8625 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8626 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8627 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8628 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8629 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8630 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8631 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8632 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8633 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8634 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8635 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8636 (TREE_RANGE_CHECK): New.
8637 (empty_body_p): Declare.
8638 (enum omp_clause_default_kind): New.
8639 (build_string_literal): Declare.
8640 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8641 (build5_stat, build5): Declare.
8642 * tree-pass.h (TDF_CHAIN): Define.
8643 * tree-pass.h (PROP_gimple_lomp): Define.
8644 (pass_lower_omp): Declare.
8645 * diagnostic.h (debug_tree_chain): Declare.
8646 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8648 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8649 * builtins.c (build_string_literal): Make extern.
8650 * gcc.c (include_spec_function): New.
8651 (static_spec_functions): Add it.
8652 (main): Move load of libgomp.spec ...
8653 (LINK_COMMAND_SPEC): ... here.
8654 (link_gomp_spec): New.
8655 (static_specs): Include it.
8656 (LINK_COMMAND_SPEC): Add link_gomp.
8657 (GOMP_SELF_SPECS): New.
8658 (driver_self_specs): Include it.
8659 (switch_matches): Don't mark inline.
8660 (main): Load libgomp.spec.
8661 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8662 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8663 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8664 * tree-gimple.h (enum omp_parallel): Declare.
8665 (determine_parallel_type): Declare.
8666 (omp_firstprivatize_variable): Declare.
8667 (omp_reduction_init): Declare.
8668 (diagnose_omp_structured_block_errors): Declare.
8669 (struct walk_stmt_info): Add want_return_expr.
8670 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8671 (find_omp_clause): Declare.
8672 (insert_field_into_struct): Declare.
8673 (struct walk_stmt_info): Move from tree-nested.c
8674 (walk_stmts): Declare.
8675 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8677 * cgraphunit.c (cgraph_lower_function): Make static.
8678 (cgraph_finalize_pending_functions): New.
8679 (cgraph_finalize_function): Call it.
8680 (cgraph_finalize_compilation_unit): Likewise.
8681 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8682 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8683 (BT_FN_UINT_UINT): New.
8684 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8685 DEF_FUNCTION_TYPE_VAR_4): Document.
8686 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8687 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8688 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8689 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8690 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8691 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8692 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8693 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8694 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8695 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8696 into separate files.
8697 (DEF_GOMP_BUILTIN): New.
8698 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8699 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8700 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8701 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8702 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8703 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8704 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8705 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8706 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8707 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8708 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8709 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8710 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8711 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8712 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8713 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8714 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8715 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8716 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8717 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8718 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8719 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8720 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8721 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8722 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8723 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8724 * sync-builtins.def: New file, moved from builtins.def.
8725 * omp-builtins.def: New file, moved from builtins.def.
8726 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8727 * gimple-low.c (lower_function_body): Clear data.
8728 (lower_stmt): Do not handle COMPOUND_EXPR.
8729 Remove call to print_node_brief.
8730 * c-tree.h (c_finish_omp_clauses): New prototype.
8731 (C_DECL_THREADPRIVATE_P): Define.
8732 (lookup_name_no_remap, c_omp_remap_private): Remove
8733 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8734 (check_for_loop_decls): Update decl.
8735 (lookup_name_no_remap, c_omp_remap_private): Declare.
8736 (build_indirect_ref, build_modify_expr, pushdecl,
8737 pushdecl_top_level): Move to c-common.h.
8738 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8739 before the switch, but just in the 2 places that need it.
8740 * c-decl.c (diagnose_mismatched_decls): Do not check for
8741 mismatched thread-local attributes when OLDDECL is marked
8742 threadprivate and NEWDECL has no thread-local attributes.
8743 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8744 (c_gimple_diagnostics_recursively): Rename from
8745 c_warn_unused_result_recursively. Invoke
8746 diagnose_omp_structured_block_errors.
8747 (check_for_loop_decls): Return a singular decl found.
8748 * langhooks.c (lhd_omp_predetermined_sharing): Return
8749 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8750 (lhd_omp_firstprivatize_type_sizes): New.
8751 (lhd_omp_assignment): New.
8752 (lhd_omp_predetermined_sharing): New.
8753 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8754 (struct lang_hooks_for_types): Add
8755 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8756 omp_predetermined_sharing, omp_disregard_value_expr,
8757 omp_private_debug_clause, omp_clause_default_ctor,
8758 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8759 (c_finish_omp_clauses): New.
8760 (c_finish_bc_stmt): Diagnose break within omp for.
8761 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8762 (build_unary_op): Return error_mark after reporting
8764 (build_modify_expr): Likewise.
8765 * gimplify.c: Include optabs.h and pointer-set.h.
8766 (enum gimplify_omp_var_data): Declare.
8767 (struct gimplify_omp_ctx): Declare.
8768 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8770 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8771 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8772 (splay_tree_compare_decl_uid): New.
8773 (new_omp_context): New.
8774 (delete_omp_context): New.
8775 (gimple_add_tmp_var): Call omp_add_variable.
8776 (gimplify_bind_expr): Likewise.
8777 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8778 true, disregard DECL_VALUE_EXPR on the decl if any.
8779 (gimplify_expr_in_ctx): New.
8780 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8781 omp_add_variable, omp_notice_variable, omp_is_private
8782 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8783 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8784 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8785 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8786 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8787 gimplify_omp_atomic): New.
8788 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8789 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8790 OMP_CRITICAL and OMP_ATOMIC.
8791 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8792 * c-pragma.h (enum pragma_kind): Add
8793 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8794 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8795 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8796 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8797 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8798 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8799 PRAGMA_OMP_THREADPRIVATE.
8800 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8801 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8802 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8803 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8804 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8805 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8806 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8807 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8808 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8809 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8810 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8811 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8812 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8814 (struct nesting_info): Add field_map,
8815 suppress_expansion, debug_var_chain.
8816 (create_nesting_tree): Initialize them.
8817 (lookup_field_for_decl): Use field_map.
8818 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8819 (convert_local_omp_clauses): New.
8820 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8821 (walk_body): Split out of walk_function.
8822 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8823 (convert_nonlocal_reference): Handle omp statements.
8824 (convert_local_reference): Likewise.
8825 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8826 (unnest_nesting_tree): New.
8827 (lower_nested_functions): Call it.
8828 (insert_field_into_struct): Make extern.
8829 (struct walk_stmt_info): Move to tree-gimple.h.
8830 (walk_stmts): Make extern.
8831 * omp-builtins.def: New file.
8832 * tree-iterator.c (expr_only): Clarify comment.
8833 * c-common.h (pushdecl_top_level, pushdecl,
8834 build_modify_expr, build_indirect_ref,
8835 c_finish_omp_master, c_finish_omp_critical,
8836 c_finish_omp_ordered, c_finish_omp_barrier,
8837 c_finish_omp_atomic, c_finish_omp_flush,
8838 c_finish_omp_for, c_split_parallel_clauses,
8839 omp_clause_default_kind, c_omp_sharing_predetermined,
8840 c_omp_remap_decl): Declare.
8841 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8842 (OBJS-common): Add omp-low.o.
8843 (c-omp.o, omp-low.o): Add.
8844 (gimplify.o): Add dependency on $(OPTABS_H).
8845 (GTFILES): Add omp-low.c.
8846 (gt-stringpool.h): Add.
8847 * tree-cfg.c (set_bb_for_stmt): Do not update the
8848 block-to-labels map if we are currently expanding to RTL.
8849 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8851 Handle IDENTIFIER_NODE.
8852 (tree_verify_flow_info): Do not ICE when emitting error
8853 messages about invalid labels.
8854 (dump_function_to_file): Reset CFUN before emitting the body
8856 (debug_function): New.
8857 * passes.c (init_optimization_passes): Schedule
8859 * langhooks-def.h (lhd_omp_predetermined_sharing,
8860 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8862 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8863 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8864 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8865 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8866 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8867 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8868 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8869 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8870 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8871 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8872 (LANG_HOOK_DECLS): Use them.
8874 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8875 Richard Henderson <rth@redhat.com>
8876 Jakub Jelinek <jakub@redhat.com>
8877 Diego Novillo <dnovillo@redhat.com>
8879 * c-parser.c (pragma_omp_clause): Define.
8880 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8881 (c_parser_compound_statement): Likewise.
8882 (c_parser_statement): Likewise.
8883 (c_parser_pragma): Handle omp pragmas.
8884 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8885 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8886 (c_parser_omp_clause_name, check_no_duplicate_clause,
8887 c_parser_omp_variable_list,
8888 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8889 c_parser_omp_clause_copyprivate,
8890 c_parser_omp_clause_default,
8891 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8892 c_parser_omp_clause_lastprivate,
8893 c_parser_omp_clause_nowait,
8894 c_parser_omp_clause_num_threads,
8895 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8896 c_parser_omp_clause_reduction,
8897 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8898 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8899 c_parser_omp_atomic, c_parser_omp_barrier,
8900 c_parser_omp_critical, c_parser_omp_flush,
8901 c_parser_omp_for_loop, c_parser_omp_for,
8902 c_parser_omp_master, c_parser_omp_ordered,
8903 c_parser_omp_sections_scope, c_parser_omp_sections,
8904 c_parser_omp_parallel, c_parser_omp_single,
8905 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8906 * c-pragma.c (init_pragma): Do omp pragma registration here.
8907 * c.opt (fopenmp): New flag.
8909 2006-01-18 Eric Christopher <echristo@apple.com>
8911 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8912 * config/darwin.h (GOMP_SELF_SPECS): Define.
8914 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8916 * rtl.h: Remove the prototype for reg_alloc.
8918 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8921 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8922 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8923 sjlj and dwarf2 exception handling.
8924 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8925 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8926 * pa/pa.c (function_value): Treat complex and vector types as
8928 (function_arg): Likewise. Only pass scalar floats in the floating
8929 point argument registers.
8930 * pa/t-slibgcc-dwarf-ver: New file.
8931 * pa/t-slibgcc-sjlj-ver: New file.
8932 * pa/t-slibgcc-elf-ver: Delete file.
8934 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8936 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8937 unlikely_test_section_p test.
8939 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8941 * mode-switching.c (optimize_mode_switching): Make it static.
8942 * basic-block.h: Remove the prototype for
8943 optimize_mode_switching.
8945 * modulo-sched.c (sms_schedule): Make it static.
8946 * rtl.h: Remove the prototype for sms_schedule.
8948 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8949 * rtl.h: Remove the prototype for gcse_after_reload_main.
8951 * reg-stack.c (reg_to_stack): Make it static.
8952 * rtl.h: Remove the prototype for reg_to_stack.
8954 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8956 * rtl.h: Remove the prototypes for regrename_optimize and
8957 copyprop_hardreg_forward.
8959 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8961 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8962 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8963 Test against the appropriate null constant for the mode.
8964 If 'fixup_overlap' is true, swap the operands if they overlap.
8965 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8966 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8967 alpha_split_tmode_pair and adjust for above change.
8968 * config/alpha/alpha.md (movtf_internal): Adjust call to
8969 alpha_split_tfmode_pair and rely on it to swap the operands.
8970 (movti_internal): New insn and post-reload splitter.
8971 (movti): New expander.
8973 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8975 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8978 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8980 * rtlanal.c (global_reg_mentioned_p_1,
8981 global_reg_mentioned_p): Remove.
8982 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8984 * flow.c (initialize_uninitialized_subregs): Make it static.
8985 * rtl.h: Remove the prototype for
8986 initialize_uninitialized_subregs.
8988 * function.c (instantiate_virtual_regs): Make it static.
8989 * function.h: Remove the prototype for
8990 instantiate_virtual_regs.
8992 * regmove.c (regmove_optimize, combine_stack_adjustments):
8994 * rtl.h: Remove the prototypes for regmove_optimize and
8995 combine_stack_adjustments.
8997 2006-01-17 Roger Sayle <roger@eyesopen.com>
8999 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9000 (size_cost): Encode costs in bytes so that a reg-reg addition is
9001 equivalent to COSTS_N_INSNS(1).
9002 (override_options): Use the size_cost.branch_cost as the default
9003 ix86_branch_cost when optimizing for size.
9005 2006-01-18 Ben Elliston <bje@au.ibm.com>
9007 * Makefile.in (D32PBIT_FUNCS): New.
9008 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9009 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9010 D64PBIT_FUNCS and D128PBIT_FUNCS.
9011 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9012 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9014 (decnumber_dep): Define.
9015 * doc/libgcc.texi (Decimal float library routines): New node.
9016 * config/dfp-bit.h, config/dfp-bit.c: New files.
9018 2006-01-18 Ben Elliston <bje@au.ibm.com>
9020 * expr.c (emit_move_change_mode): Always adjust addresses, not
9021 just during reload. Copy replacements only during reload.
9022 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9023 emit_move_via_integer.
9025 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9027 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9028 instead of $(srcdir) and ${srcdir}.
9030 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9034 * arm.h (struct machine_function): Add pic_reg.
9035 * arm.c (arm_pic_register): Make unsigned.
9036 (arm_override_options): Only set arm_pic_register if
9037 TARGET_SINGLE_PIC_BASE.
9038 (use_return_insn): Only test for a pic register if it is fixed.
9039 (arm_compute_save_reg0_reg12_mask): Likewise.
9040 (thumb_compute_save_reg_mask): Likewise.
9041 (legitimate_pic_operand): Factor out some known invariants.
9042 (legitimize_pic_address): If we don't have a fixed pic register,
9043 then set up a pseudo in the function entry sequence. Handle the
9044 pic base being in a pseudo.
9045 (arm_load_pic_register): Handle the pic register being in a pseudo.
9046 (arm_expand_prologue): Only set up the pic register if it is fixed.
9047 (thumb_expand_prologue): Likewise.
9048 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9049 (pic_load_addr_based_insn): Likewise.
9050 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9053 2006-01-18 Ben Elliston <bje@au.ibm.com>
9055 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9056 decimal float modes for all floating point registers.
9058 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9059 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9061 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9064 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9065 even when the pointer is not NULL.
9067 2006-01-16 Ian Lance Taylor <ian@airs.com>
9069 * common.opt (ftoplevel-reorder): New option.
9070 * cgraph.c (cgraph_asm_nodes): New global variable.
9071 (cgraph_asm_last_node): New static variable.
9072 (cgraph_order): New global variable.
9073 (cgraph_create_node): Set new order field.
9074 (cgraph_varpool_node): Likewise.
9075 (decide_is_variable_needed): Return true if not
9076 flag_toplevel_reorder.
9077 (cgraph_add_asm_node): New function.
9078 * cgraph.h (struct cgraph_node): Add order field.
9079 (struct cgraph_varpool_node): Add order field.
9080 (struct cgraph_asm_node): Define.
9081 (cgraph_asm_nodes, cgraph_order): Declare.
9082 (cgraph_add_asm_node): Declare.
9083 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9085 (cgraph_varpool_assemble_pending_decls): Call it.
9086 (cgraph_output_pending_asms): New static function.
9087 (cgraph_finalize_compilation_unit): Call it.
9088 (struct cgraph_order_sort): Define.
9089 (cgraph_output_in_order): New static function.
9090 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9091 !flag_toplevel_reorder case.
9092 * c-parser.c: Include "cgraph.h".
9093 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9095 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9096 than -fno-unit-at-a-time.
9097 * doc/invoke.texi (Option Summary): Mention
9098 -fno-toplevel-reorder.
9099 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9100 -funit-at-a-time documentation.
9102 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9103 Kazu Hirata <kazu@codesourcery.com>
9105 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9107 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9109 * Makefile.in (FUNCTION_H): New. Use it instead of
9110 function.h throughout the file.
9111 * function.h: Include tree.h.
9113 2006-01-17 Ben Elliston <bje@au.ibm.com>
9115 * recog.c: Separate some functions with whitespace.
9117 2006-01-16 Richard Henderson <rth@redhat.com>
9119 Merge from gomp branch:
9120 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9121 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9122 and rename from struct inline_data. Rename callee* to dst*;
9123 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9124 transform_new_cfg, transform_return_to_modify, and
9125 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9127 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9128 (copy_decl_for_dup): Remove.
9129 * tree-inline.c (struct inline_data): Move to header.
9130 (insert_decl_map): Export.
9131 (remap_decl): Update for member name changes. Use copy_decl hook.
9132 Allow for replacement to be a non-decl. Remove dead code.
9133 (remap_type_1): Check for existing mapping.
9134 (remap_type): Export.
9135 (remap_decls): Update for member name changes.
9136 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9137 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9138 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9139 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9140 (tree_function_versioning, build_duplicate_type): Likewise.
9141 (copy_body_r): Likewise. Export.
9142 (copy_decl_for_dup): Split into ...
9143 (copy_decl_for_dup_finish, copy_decl_to_var,
9144 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9145 (replace_ref_tree, inlining_p): Remove.
9147 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9149 * ifcvt.c (if_convert): Make it static.
9150 * rtl.h: Remove the prototype for if_convert.
9152 * local-alloc.c (local_alloc): Make it static.
9153 * rtl.h: Remove the prototype for local_alloc.
9155 * loop.c (loop_optimize): Make it static.
9156 * cfgloop.h: Remove the prototype for loop_optimize.
9159 2006-01-16 DJ Delorie <dj@redhat.com>
9161 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9164 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9166 * pa.md: Disparage copies between general and floating-point registers
9167 in 32-bit move patterns.
9169 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9172 * Makefile.in (check-%): Depend on site.exp instead of
9173 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9176 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9178 * global.c (global_alloc): Make it static.
9179 * rtl.h: Remove the prototype for global_alloc.
9181 2006-01-16 Richard Guenther <rguenther@suse.de>
9183 * tree-ssa-alias.c (struct used_part): Add write_only field.
9184 (get_or_create_used_part_for): Initialize it to true.
9185 (create_overlap_variables_for): Don't create structure variables
9186 for structures that only are written to.
9187 (find_used_portions): Handle MODIFY_EXPR to track whether a
9188 structure is only written to.
9190 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9192 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9194 * basic-block.h: Remove the prototype for
9195 partition_hot_cold_basic_blocks.
9197 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9199 * cppspec.c (lang_specific_spec_functions): Remove.
9200 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9201 * gcc.h (lang_specific_spec_functions): Remove.
9202 * gccspec.c (lang_specific_spec_functions): Remove.
9204 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9206 * combine.c (record_value_for_reg): Invalidate registers
9208 (record_dead_and_set_regs_1): Likewise, by passing them to
9209 record_value_for_reg.
9210 (record_dead_and_set_regs): Invalidate stores made by a
9211 call. We do not combine across a call, but we still
9212 relied on equivalences.
9214 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9216 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9217 vrp_int_const_binop returning non-constant nodes.
9219 2006-01-16 Paul Brook <paul@codesourcery.com>
9221 * config/m68k/m68k.c (output_move_const_into_data_reg):
9222 Output correct mnemonic for mvz and mvs.
9224 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9226 * rtl-factoring.c: Add sequence abstraction algorithm.
9227 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9228 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9230 (block_has_preserve_label): New function.
9231 * common.opt: Register new pass.
9232 * Makefile.in: Ditto.
9234 * timevar.def: Ditto.
9235 * tree-pass.h: Ditto.
9236 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9237 * rtl.h (make_jump_insn_raw): Add forward decl.
9238 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9240 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9241 Roger Sayle <roger@eyesopen.com>
9243 * fold-const.c (fold_minmax): New static function.
9244 (fold_binary) <MIN_EXPR>: Call it.
9245 <MAX_EXPR>: Likewise.
9246 * stor-layout.c (place_field): Use DECL_SIZE consistently
9247 in the computation of the new record size.
9249 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9251 * cse.c (cse_condition_code_reg): Make it static.
9252 * rtl.h: Remove the prototype for cse_condition_code_reg.
9254 * combine.c (combine_instructions): Make it static.
9255 * rtl.h: Remove the prototype for combine_instructions.
9257 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9260 * tree.c (get_file_function_name_long): Concatenate the first global
9261 object name with a string derived from the input filename of the object
9264 2006-01-16 Ben Elliston <bje@au.ibm.com>
9266 * config/i386/winnt-stubs.c: Update FSF address.
9267 * config/xtensa/ieee754-df.S: Ditto.
9268 * config/xtensa/ieee754-sf.S: Ditto.
9270 2006-01-14 Ian Lance Taylor <ian@airs.com>
9272 * ifcvt.c (noce_init_if_info): New static function, broken out of
9273 noce_process_if_block.
9274 (noce_process_if_block): Call noce_init_if_info.
9275 (check_cond_move_block): New static function.
9276 (cond_move_process_if_block): New static function.
9277 (process_if_block): Call cond_move_process_if_block.
9279 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9281 * cselib.c (hash_table): Rename to cselib_hash_table.
9282 (cselib_clear_table, discard_useless_values,
9283 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9284 cselib_init, cselib_finish): Adjust uses of hash_table.
9286 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9288 PR tree-optimization/25485
9289 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9290 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9291 is known to be false and true, respectively.
9293 2006-01-14 Richard Guenther <rguenther@suse.de>
9295 PR tree-optimization/22548
9296 PR tree-optimization/22555
9297 PR tree-optimization/22501
9298 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9299 * params.def (salias-max-array-elements): New parameter.
9300 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9301 * doc/invoke.texi (salias-max-array-elements): Document.
9302 * tree-flow-inline.h (var_can_have_subvars): We also handle
9304 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9306 * tree-ssa-structalias.c (params.h): Include.
9307 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9308 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9309 (get_constraint_for): For ADDR_EXPR operating on something
9310 containing an ARRAY_REF, add all subvars to the solution.
9311 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9312 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9313 for creating MUST_DEFs.
9314 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9316 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9318 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9320 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9321 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9322 number_of_iterations_le): New functions.
9323 (number_of_iterations_special): Removed.
9324 (number_of_iterations_exit): Do not use number_of_iterations_special.
9325 * tree.c (unsigned_type_for): Always return integer type.
9327 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9328 Richard Guenther <rguenther@suse.de>
9330 PR rtl-optimization/24257
9331 * gcse.c (find_moveable_store): Only consider a store movable
9332 when the SET_SRC of the insn can be assigned to a register.
9334 2006-01-14 Ian Lance Taylor <ian@airs.com>
9336 * tree.c (tree_not_class_check_failed): New function.
9337 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9338 (tree_not_class_check_failed): Declare.
9340 2006-01-13 Ian Lance Taylor <ian@airs.com>
9342 * reload1.c (do_output_reload): Add assertion rejecting a
9345 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9347 * combine.c (struct reg_stat): Add new fields truncation_label and
9349 (record_value_for_reg): Reset truncated_to_mode.
9350 (record_truncated_value): New function.
9351 (check_promoted_subreg): Call it. Rename to check_conversions.
9352 (combine_instructions): Rename check_promoted_subreg to
9354 (reg_truncated_to_mode): New function.
9355 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9356 (gen_lowpart_or_truncate): New function.
9357 (force_to_mode): Use it instead of gen_lowpart.
9359 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9361 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9362 VAR is a tag, not its type tag.
9364 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9366 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9367 alternatives to match style of other entries.
9368 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9370 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9372 PR tree-optimization/25771
9373 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9376 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9379 * tree-inline.c (declare_return_variable): If the return variable
9380 was marked as a non gimple complex, set the return slot variable
9381 to be a non gimple comple variable.
9383 2006-01-13 Richard Guenther <rguenther@suse.de>
9385 * builtins.c (expand_builtin_sincos): New function.
9386 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9388 (expand_builtin): Expand sincos using expand_builtin_sincos.
9390 2006-01-12 DJ Delorie <dj@redhat.com>
9392 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9393 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9394 so that constant shifts can be split.
9395 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9396 (m32c_valid_pointer_mode): Make static.
9397 (shift_gen_func_for): New.
9398 (m32c_prepare_shift): Use it. Split large const shifts into
9400 * config/m32c/predicates.md (shiftcount_operand): Allow more
9402 (longshiftcount_operand): New.
9403 * doc/md.texi (Machine Constraints): Document In6.
9405 2006-01-13 Ben Elliston <bje@au.ibm.com>
9407 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9408 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9411 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9413 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9414 to try to avoid clobbering pieces of structures when we know
9415 something about the whole structure.
9416 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9418 2006-01-13 Ben Elliston <bje@au.ibm.com>
9420 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9421 return in memory, as this is no limitation is no longer present.
9423 2006-01-12 DJ Delorie <dj@redhat.com>
9425 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9426 mova with fb, and for fb+0 -> An.
9428 * config/m32c/mov.md (peephole2): Fix enabling logic.
9430 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9431 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9432 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9433 FINI_ARRAY_SECTION_ASM_OP): Define.
9435 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9437 (m32c_legitimize_reload_address): New logic to reload FB to An.
9438 (m32c_output_reg_push): Add newline.
9439 (m32c_output_reg_pop): Likewise.
9441 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9443 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9445 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9447 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9449 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9451 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9454 2006-01-11 Ben Elliston <bje@au.ibm.com>
9456 * rtlanal.c (find_reg_note): Assert insn is not null.
9458 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9460 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9463 2006-01-11 Jeff Law <law@redhat.com>
9465 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9467 (mark_threaded_blocks, register_jump_thread): New functions.
9468 (thread_through_all_blocks): Remove unwanted argument. No
9469 longer rely on e->aux to communicate thread target info.
9470 Call mark_threaded_blocks. Release the threaded_blocks
9471 bitmap and threaded_edges vector when complete.
9472 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9473 (threaded_blocks): Remove.
9474 (tree_ssa_dominator_optimize): Remove initialization and
9475 finalization of threaded_blocks. Simplify call to
9476 thread_through_all_blocks.
9477 (thread_across_edge): Call register_jump_thread rather than
9478 storing thread information into e->aux.
9479 (free_all_edge_infos): Simplify now that e->aux is no longer
9480 used to communicate with thread_through_all_blocks.
9481 * tree-flow.h (thread_through_all_blocks): Update prototype.
9482 (register_jump_thread): Prototype.
9484 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9486 * df-core.c (df_compact_blocks, df_bb_replace): Use
9487 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9489 2006-01-11 Richard Guenther <rguenther@suse.de>
9491 PR tree-optimization/25734
9492 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9493 stop propagation after successful propagation to the LHS.
9495 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9497 * basic-block.h (control_flow_graph): Change the type of
9498 x_basic_block_info to VEC(basic_block,gc) *.
9499 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9501 (SET_BASIC_BLOCK): New.
9502 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9503 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9504 * cfgbuild.c (find_basic_blocks): Likewise.
9505 * cfglayout.c (fixup_reorder_chain): Likewise.
9506 * cfgrtl.c (create_basic_block_structure,
9507 rtl_create_basic_block): Likewise.
9508 * ifcvt.c (find_if_case_1): Likewise.
9509 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9512 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9514 * Makefile.in: Removed rotted odf.c entry.
9516 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9519 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9520 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9521 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9522 output pattern modifier, not %e.
9523 * config/cris/cris.c (cris_op_str): Update comment about pattern
9525 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9526 before falling through into...
9527 <case 'E'>: Redefined from old 'e' case.
9529 2006-01-11 Jan Hubicka <jh@suse.cz>
9532 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9534 2006-01-11 Jan Hubicka <jh@suse.cz>
9536 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9537 * i386.c (x86_decompose_lea): Kill.
9538 (ix86_rtx_costs): Kill.
9540 2006-01-11 Jan Hubicka <jh@suse.cz>
9542 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9543 * cgraph.h (cgraph_node): Add inline_decl.
9544 (cgraph_insert_node_to_hashtable): Declare.
9545 (save_inline_function_body): Declare.
9546 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9548 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9549 (cgraph_function_versioning): Update call of tree_function_versioning.
9550 (save_inline_function_body): New function.
9551 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9552 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9553 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9554 (cgraph_default_inline_p): Likewise.
9555 (cgraph_decide_inlining_incrementally): Likewise.
9556 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9557 (copy_bb): Kill saving; do updating of clones.
9558 (copy_cfg_body): Kill saving.
9559 (initialize_inlined-parameters): Likewise.
9560 (expand_call_inline): Likewise.
9562 (tree_function_versioning): New parameter "update_clones".
9563 (inlining_p): Kill saving.
9564 * tree-inline.h (tree_function_versioning): Update prototype.
9565 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9568 2006-01-11 Ian Lance Taylor <ian@airs.com>
9570 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9571 Allow undoing set of machine mode.
9572 (do_SUBST): Use enums instead of is_int.
9573 (do_SUBST_MODE): New function.
9574 (SUBST_MODE): New macro.
9575 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9576 reg and trying to replace reg_regno_rtx with a new register.
9577 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9578 (simplify_set): Use SUBST_MODE.
9579 (distribute_notes): Remove code that tried to update reg notes
9580 for regno_reg_rtx changes.
9582 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9584 PR tree-optimization/23109
9585 PR tree-optimization/23948
9586 PR tree-optimization/24123
9588 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9589 * tree-cfg.c (single_noncomplex_succ): New.
9590 * tree-flow.h (single_noncomplex_succ): Declare it.
9591 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9592 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9593 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9594 insert_bb, register_division_in, insert_reciprocals,
9595 replace_reciprocal, free_bb): New.
9596 (execute_cse_reciprocals_1): Rewritten.
9597 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9598 Do not commit any edge insertion. Always compute dominators and
9599 create the allocation pool.
9600 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9601 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9602 * targhooks.c (default_min_divistions_for_recip_mul): New.
9603 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9604 * passes.c (init_optimization_passes): Run recip after tree loop
9606 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9608 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9609 Kenneth Zadeck <zadeck@naturalbridge.com>
9611 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9612 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9613 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9614 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9615 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9616 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9617 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9618 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9619 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9620 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9621 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9622 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9623 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9624 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9625 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9626 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9627 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9628 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9629 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9630 DF_SCAN_POST_ALLOC): New macros.
9631 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9632 df_free_bb_function, df_local_compute_function, df_init_function,
9633 df_dataflow_function, df_confluence_function_0,
9634 df_confluence_function_n, df_transfer_function,
9635 df_finalizer_function, df_free_function, df_dump_problem_function,
9636 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9637 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9638 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9639 df_urec_bb_info, ) New types.
9640 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9642 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9643 df_analyze_simple_change_some_blocks,
9644 df_analyze_simple_change_one_block, df_compact_blocks,
9645 df_bb_replace, df_bb_regno_last_use_find,
9646 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9647 df_insn_regno_def_p, df_find_def, df_find_use,
9648 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9649 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9650 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9651 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9652 debug_df_chain, df_get_dependent_problem, df_chain_create,
9653 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9654 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9655 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9656 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9657 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9658 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9659 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9660 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9661 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9662 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9663 df_reorganize_refs, df_set_state, df_hard_reg_init,
9664 df_read_modify_subreg_p) New public functions.
9665 * df-core.c: The core dataflow solver and glue routines for rtl
9667 (df_init, df_add_problem, df_set_blocks, df_finish,
9668 df_hybrid_search_forward, df_hybrid_search_backward,
9669 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9670 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9671 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9672 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9673 df_reg_defined, df_find_use, df_reg_used, df_dump,
9674 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9675 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9676 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9677 debug_df_useno, reset_df_after_reload): New functions.
9678 * df-scan.c: The scanning fuctions, once in df.c, completely
9679 rewritten so that they now fully model the functionality of
9680 register usage at the backend.
9681 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9682 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9683 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9684 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9685 df_get_artificial_defs, df_get_artificial_uses,
9686 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9687 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9688 df_refs_delete, df_reorganize_refs, df_set_state,
9689 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9690 df_def_record_1, df_defs_record, df_uses_record,
9691 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9692 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9693 df_record_exit_block_uses, df_hard_reg_init): New functions.
9695 * df-problems.c: Seven concrete dataflow problems that use the
9696 scanning in df-scan.c and are solved by the engine in df-core.c.
9697 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9698 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9699 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9700 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9701 df_ru_free_bb_info, df_ru_alloc,
9702 df_ru_bb_local_compute_process_def,
9703 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9704 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9705 df_ru_transfer_function, df_ru_free, df_ru_dump,
9706 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9707 df_rd_free_bb_info, df_rd_alloc,
9708 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9709 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9710 df_rd_transfer_function, df_rd_free, df_rd_dump,
9711 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9712 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9713 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9714 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9715 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9716 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9717 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9718 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9719 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9720 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9721 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9722 df_urec_mark_reg_use_for_earlyclobber,
9723 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9724 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9725 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9726 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9727 df_chain_create_bb_process_use, df_chain_create_bb,
9728 df_chain_finalize, df_chain_free, df_chains_dump,
9729 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9730 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9731 df_reg_lifetime): New functions.
9732 * df.c: Deleted file.
9733 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9734 consistent with new df api.
9735 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9736 rest_of_handle_sms): Ditto.
9737 * web.c (unionfind_union, union_defs, entry_register, web_main):
9739 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9740 invariant_expr_equal_p, find_defs, check_dependencies,
9741 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9742 free_inv_motion_data, move_loop_invariants): Ditto.
9743 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9744 Update dependencies.
9745 (odf.c): Added defective entry that was deleted later in day.
9746 * sched-deps.c (sched_analyze_1): Ditto.
9748 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9750 * tree-ssa-operands.c (get_expr_operands): Record addressable
9751 variables directly. Do not call add_stmt_operands for CONST_DECLs
9753 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9754 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9756 2006-01-11 Ben Elliston <bje@au.ibm.com>
9758 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9759 function returns true in the positive case.
9761 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9764 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9765 for SI, DI, SF and DF modes. Add alternatives to copy between
9766 general and floating point registers to the 32-bit patterns.
9767 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9768 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9769 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9770 generating 64-bit code.
9771 * config/pa/pa.c (output_move_double): Handle copies between general
9772 and floating registers.
9774 2006-01-10 Stuart Hastings <stuart@apple.com>
9776 * config/i386/i386.md (set_got): Update.
9777 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9778 (builtin_setjmp_receiver): Mach-O support.
9779 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9780 (GOT_SYMBOL_NAME): Define.
9781 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9782 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9783 * config/i386/i386.c (override_options): Revise for Darwin.
9784 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9785 support. (darwin_x86_file_end): New. (output_set_got): Add label
9786 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9787 * config/i386/i386-protos.h (output_set_got): Likewise.
9788 * config/darwin.c (machopic_legitimize_pic_address): Update
9791 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9793 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9794 when MODE isn't BLKmode.
9796 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9798 PR rtl-optimization/25367
9799 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9801 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9804 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9805 for a negative bound.
9807 2006-01-10 Richard Guenther <rguenther@suse.de>
9809 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9810 Never override with anything constraint.
9812 2006-01-10 Jan Beulich <jbeulich@novell.com>
9814 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9815 256 bits when optimize_size.
9817 2006-01-10 Jan Beulich <jbeulich@novell.com>
9819 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9821 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9822 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9825 2006-01-10 Ben Elliston <bje@au.ibm.com>
9827 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9829 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9830 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9831 (USE_FP_FOR_ARG): Reject decimal float modes.
9832 (function_arg_advance): Likewise.
9833 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9834 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9835 point types in AltiVec vectors.
9836 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9837 (rs6000_libcall_value): Likewise.
9839 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9841 * config/xtensa/ieee754-df.S: New file.
9842 * config/xtensa/ieee754-sf.S: New file.
9843 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9844 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9845 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9847 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9849 * config/sh/predicates.md (binary_float_operator,
9850 binary_logical_operator, commutative_float_operator,
9851 equality_comparison_operator, greater_comparison_operator,
9852 less_comparison_operator, logical_operator,
9853 noncommutative_float_operator, shift_operator,
9854 symbol_ref_operand, unary_float_operator): Remove redundant
9857 2006-01-09 Jeff Law <law@redhat.com>
9859 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9860 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9861 now unused arguments. Callers updated.
9862 (eliminate_redundant_computations): Remove now unused arguments,
9864 (local_fold): Remove, no longer used.
9865 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9867 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9868 (simplify_cond): New function.
9869 (forward_propagate_into_cond): Call simplify_cond.
9871 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9873 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9874 (*vec_extractv2di_1_sse): New.
9876 2006-01-09 Ben Elliston <bje@au.ibm.com>
9878 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9880 2006-01-08 Richard Guenther <rguenther@suse.de>
9882 * tree-ssa-structalias.c (get_constraint_for): Remove
9884 (get_constraint_for_component_ref): Likewise.
9885 (do_deref): Likewise.
9886 (get_constraint_for): Likewise.
9887 (do_structure_copy): Likewise.
9888 (handle_ptr_arith): Likewise.
9889 (find_func_aliases): Likewise. Remove unused need_anyoffset
9892 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9893 Kaz Kojima <kkojima@gcc.gnu.org>
9895 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9896 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9897 (EXTRA_CONSTRAINT_C16): Remove.
9898 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9899 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9900 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9901 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9902 constants of SHmedia. Handle nested constant expressions of
9904 (andcosts): Fix the costs for SHmedia constants.
9905 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9906 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9907 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9908 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9909 (movv4hi_i, movv2si_i): Likewise.
9910 (movsi_const): Adjust the second operand of ior so to match with
9912 (movdi_const, movdi_const_32bit): Likewise.
9913 (movdi_const_16bit+1): Don't sign-extend LOW.
9914 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9916 (*double_shori): Fix the split condition. Use GEN_INT instead
9917 of get_int_mode calls. Mask lower 16-bit of the argument of
9919 (sym2GOTPLT): Remove.
9920 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9922 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9923 instead of EXTRA_CONSTRAINT_C16.
9925 2006-01-07 Ian Lance Taylor <ian@airs.com>
9926 David Edelsohn <edelsohn@gnu.org>
9928 PR rtl-optimization/25662
9929 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9930 for constant operands instead of simplify_gen_binary.
9931 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9932 after trying simplify_binary_operation
9934 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9936 * tree.c (iterative_hash_expr): Hash decls based on UID.
9938 2006-01-06 Eric Christopher <echristo@apple.com>
9940 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9941 (TARGET_UNWIND_EMIT): Fix spelling.
9942 * target.h (gcc_target): Add except_table_label.
9943 * except.c (output_function_exception_table): Use.
9944 * varasm.c (default_emit_except_table_label): New.
9945 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9947 (asm_out): Add here.
9948 * output.h (default_emit_except_table_label): Prototype.
9949 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9950 * config/darwin.c (darwin_emit_except_table_label): Define.
9951 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9953 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9955 PR tree-optimization/18527
9956 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9957 number_of_iterations_special, number_of_iterations_exit):
9958 Move base and step of an iv to a single structure. Add
9959 no_overflow flag, and use it in # of iterations analysis.
9960 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9961 folded_casts argument.
9962 (simple_iv): Pass base and step in a structure. Set no_overflow
9964 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9965 Evaluate expensiveness of computing # of iterations instead of
9966 the final expression.
9967 * tree-scalar-evolution.h (affine_iv): New structure.
9968 (simple_iv): Declaration changed.
9969 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9970 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9971 find_givs_in_stmt): Changed due to simple_iv change.
9973 2006-01-06 Jeff Law <law@redhat.com>
9976 * tree-cfg.c (bsi_replace): Rename final argument from
9977 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9978 change (stmt -> orig_stmt).
9979 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9980 (bsi_remove): Add new argument. Remove EH information
9982 (verify_eh_throw_table_statements): New function.
9983 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9985 * tree-optimize.c (execute_free_cfg_annotations): Verify
9986 the EH throw statement table after removing annotations.
9987 * except.h (verify_eh_throw_table_statements): Prototype.
9988 * tree-flow.h (bsi_remove): Update prototype.
9989 * tree-vrp.c (remove_range_assertions): Add new argument to
9991 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9992 * tree-complex.c (expand_complex_div_wide): Likewise.
9993 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9994 * tree-tailcall.c (eliminate_tailcall): Likewise.
9995 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9996 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9997 * tree-nrv.c (tree_nrv): Likewise.
9998 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9999 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10000 (combine_blocks): Likewise.
10001 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10002 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10003 (cleanup_control_flow): Likewise.
10004 (remove_forwarder_block): Likewise.
10005 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10006 * tree-sra.c (sra_replace): Likewise.
10007 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10008 (forward_propagate_single_use_vars): Likewise.
10009 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10010 * tree-inline.c (expand_call_inline): Likewise.
10011 * tree-vect-transform.c (vect_transform_loop): Likewise.
10012 * tree-outof-ssa.c (rewrite_trees): Likewise.
10013 * tree-cfg.c (make_goto_expr_edges): Likewise.
10014 (cleanup_dead_labels): Likewise.
10015 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10016 (bsi_move_before, bsi_move_after): Likewise.
10017 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10018 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10020 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10023 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10025 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10026 on non gimple variables. Also add checks at the top for decls and
10028 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10030 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10031 and IMAGPART_EXPR for creating MUST_DEFs.
10032 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10033 and NAME_MEMORY_TAG separately from the DECLs.
10035 2006-01-06 Richard Guenther <rguenther@suse.de>
10037 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10038 annotation, if necessary.
10039 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10040 redundant calls to update_stmt.
10041 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10044 2006-01-05 Richard Henderson <rth@redhat.com>
10046 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10048 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10050 * c-typeck.c: Update copyright date.
10052 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10054 * c-typeck.c (build_c_cast): Always warn when casting
10055 from a pointer to an integer of different size, even if
10056 the node was constant.
10058 2006-01-05 Richard Guenther <rguenther@suse.de>
10060 PR tree-optimization/22555
10061 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10062 if one structure field is an array.
10063 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10064 operands even if we found a subvar, but ignore VOPs in this
10066 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10068 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10070 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10072 PR middle-end/24998
10073 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10075 2006-01-05 Richard Guenther <rguenther@suse.de>
10076 Diego Novillo <dnovillo@redhat.com>
10078 * tree-pass.h (TODO_remove_unused_locals): Define.
10079 * gimple-low.c (expand_var_p, remove_useless_vars,
10080 pass_remove_useless_vars): Remove. Update all users.
10081 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10082 (remove_unused_locals): New function.
10083 * tree-flow.h (remove_unused_locals): Declare.
10084 * passes.c (execute_todo): Call remove_unused_locals if
10085 TODO_remove_unused_locals is set.
10086 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10087 * tree-ssa-dce.c (pass_dce): Likewise.
10088 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10090 2006-01-05 Richard Guenther <rguenther@suse.de>
10092 * tree-flow.h (struct fieldoff): Decompose field to
10093 type, size and decl.
10094 * tree-ssa-alias.c (create_sft): Take type as parameter.
10095 (create_overlap_variables_for): Store type, size and decl
10096 in the fieldoff structure.
10097 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10098 of struct fieldoff.
10099 (push_fields_onto_fieldstack): Likewise.
10100 (create_variable_info_for): Likewise. Use offset for the
10101 SFT name if the decl is not available.
10103 2006-01-04 Paul Brook <paul@codesourcery.com>
10105 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10107 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10109 * lambda-code.c (can_put_in_inner_loop): Relax
10111 (can_put_after_inner_loop): New function.
10112 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10113 (perfect_nestify): Change to make copies and modify uses.
10115 2006-01-04 Richard Henderson <rth@redhat.com>
10117 Merge from gomp branch:
10118 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10119 via integer constant.
10120 (pragma_lex): Remove.
10121 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10122 rather than parsing it.
10123 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10124 handle_pragma_extern_prefix): Add %< %> quotes.
10125 (registered_pragmas): New.
10126 (c_register_pragma_1): New.
10127 (c_register_pragma): Use it.
10128 (c_register_pragma_with_expansion): Likewise.
10129 (c_invoke_pragma_handler): New.
10130 (init_pragma): Use cpp_register_deferred_pragma directly for
10132 * c-pragma.h (enum pragma_kind): New.
10133 (pragma_handler): New.
10134 (c_invoke_pragma_handler): Declare.
10135 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10137 * c-common.h (c_common_pch_pragma): Update decl.
10138 * Makefile.in (c-parser.o): Update dependencies.
10139 (GTFILES): Add c-pragma.h.
10140 * c-parser.c (struct c_token): Add pragma_kind.
10141 (struct c_parser): Add in_pragma.
10142 (c_lex_one_token): Always initialize keyword and pragma_kind.
10143 Extract data for CPP_PRAGMA.
10144 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10145 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10146 Don't allow CPP_PRAGMA_EOL if in_pragma.
10147 (c_parser_consume_pragma): New.
10148 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10149 (c_parser_skip_to_end_of_parameter): Likewise.
10150 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10151 (c_parser_skip_to_pragma_eol): New.
10152 (c_parser_external_declaration): Handle CPP_PRAGMA.
10153 (c_parser_compound_statement_nostart): Likewise.
10154 (c_parser_statement_after_labels): Likewise.
10155 (c_parser_pragma): New.
10156 (pragma_lex): Likewise.
10157 (c_parser_pragma_pch_preprocess): New.
10158 (c_parser_new): Merge into ...
10159 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10161 2006-01-04 Jeff Law <law@redhat.com>
10164 * tree-cfg.c (bsi_replace): Remove the original statement
10165 from the EH throw statement table.
10167 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10169 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10170 make the prototype extern "C" and add throw ().
10173 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10174 and pos non-negative and pos + len <= 32.
10175 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10176 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10177 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10180 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10181 as well as sizes not multiple of component size.
10184 * function.c (instantiate_expr): New function.
10185 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10186 walk its DECL_VALUE_EXPR with instantiate_expr.
10188 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10189 DW_OP_deref{,_size} if address isn't going to be added.
10191 2006-01-04 Ben Elliston <bje@au.ibm.com>
10193 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10194 * config/fp-bit.c: Likewise.
10196 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10198 * dominance.c: Add comment about why we use DFS numbering
10201 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10202 Richard Henderson <rth@redhat.com>
10204 Merge from gomp-branch:
10205 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10206 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10208 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10210 PR rtl-optimization/25578
10211 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10212 pass a parameter to simplify_shift_const if changing ASHIFTRT
10215 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10217 * builtins.c (get_builtin_sync_mem): New function.
10218 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10219 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10220 Call get_builtin_sync_mem to generate mem rtx.
10222 2006-01-03 Richard Guenther <rguenther@suse.de>
10225 * stmt.c (add_case_node): Make sure to clear overflow flags
10228 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10230 Merge from gomp-branch.
10231 * config/sparc/sync.md: New file.
10232 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10233 UNSPECV_LDSTUB): New constants.
10234 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10235 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10236 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10239 2006-01-03 Roger Sayle <roger@eyesopen.com>
10241 * combine.c (reg_subword_p): New predicate to test whether the
10242 destination of a set refers to a subword/piece of a register.
10243 (try_combine): Generalize the code to merge the setting of a
10244 pseudo to a constant followed by a set of a subword of that
10245 register to a constant.
10247 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10249 * basic-block.h (control_flow_graph): Change the type of
10250 x_label_to_block_map to VEC(basic_block,gc) *.
10251 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10252 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10254 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10255 VEC(basic_block,heap) *.
10256 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10257 ssa_prop_fini): Adjust the uses of cfg_blocks.
10259 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10261 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10263 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10264 hashing trees instead of a pointer hash.
10265 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10266 compare for MEM_EXPR.
10268 PR rtl-optimization/25130
10269 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10270 when comparing MEMs for GCSE
10272 2006-01-03 Ben Elliston <bje@au.ibm.com>
10274 * targhooks.h (default_decimal_float_supported_p): Declare.
10275 * targhooks.c (default_decimal_float_supported_p): Define.
10276 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10277 `default_decimal_float_supported_p'.
10278 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10280 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10282 * combine.c (apply_distributive_law <SUBREG>): Check
10283 TRULY_NOOP_TRUNCATION.
10285 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10287 * dwarf2out.c (have_switched_text_section): Delete.
10288 (have_multiple_function_sections): New.
10289 (have_location_lists): Make 'bool'.
10290 (add_AT_loc_list): Use 'true' not '1'.
10291 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10292 (output_loc_list): Use have_multiple_function_sections.
10293 (output_ranges): Likewise.
10294 (dwarf2out_begin_function): Set have_multiple_function_sections if
10296 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10297 Check function_section rather than DECL_SECTION_NAME.
10298 (dwarf2out_finish): Use have_multiple_function_sections.
10299 Don't clear have_location_lists.
10301 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10302 Jan Hubicka <jh@suse.cz>
10304 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10305 case of conditional jump jumping to the next instruction.
10306 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10307 cases of conditional jump jumping to the next instruction.
10309 2006-01-02 Jan Hubicka <jh@suse.cz>
10311 * i386.c (*_cost): Add COSTS_N_INSNS.
10312 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10314 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10317 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10319 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10321 * config/arm/arm.c (all_fpus): Fix comment typo.
10322 * config/darwin.c: Likewise.
10323 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10324 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10325 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10327 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10329 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10330 (rs6000_split_compare_and_swapqhi): New.
10331 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10332 (sync_compare_and_swapqhi_internal): New.
10333 * config/rs6000/rs6000-protos.h: Declare.
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