| blob | 14514290b51aeacaf3d9ef7f1673234c1a043968 |
1 2006-05-01 DJ Delorie <dj@redhat.com>
3 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4 build!=host.
5 (gcc_cv_objdump): Likewise.
6 * configure: Regenerated.
8 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10 PR target/27374
11 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12 templates for case 3 and 4.
14 2006-05-01 DJ Delorie <dj@redhat.com>
16 * vec.c: Include bconfig.h when appropriate.
17 * Makefile.in (build/vec.o): Adjust dependencies.
18 * mkconfig.sh: Make sure config.h isn't used for build machine
19 compiles.
21 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
23 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
24 variables.
25 (mark_phi_for_rewrite): New function.
26 (insert_phi_nodes_for, mark_use_interesting): Call
27 mark_phi_for_rewrite.
28 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
29 (update_ssa): Initialize and free phis_to_rewrite.
31 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
33 PR rtl-optimization/27291
34 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
35 folded to a constant.
37 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
39 PR tree-optimization/27283
40 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
41 not whole # of iteration descriptions.
42 (niter_for_exit): Return just # of iterations. Fail if # of iterations
43 uses abnormal ssa name.
44 (niter_for_single_dom_exit): Ditto.
45 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
46 return just the number of iterations.
48 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
50 PR tree-optimization/27144
51 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
52 (record_estimate): Only record constant upper bound.
53 (infer_loop_bounds_from_undefined): Call
54 compute_estimated_nb_iterations just once.
55 (proved_non_wrapping_p): Renamed to ...
56 (n_of_executions_at_most): ... this. Expect bound to be a constant.
57 (convert_step_widening, scev_probably_wraps_p): Call
58 n_of_executions_at_most instead of proved_non_wrapping_p.
59 (substitute_in_loop_info): Do not replace values in bounds.
60 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
61 comments.
63 2006-05-01 Richard Henderson <rth@redhat.com>
65 PR c/27358
66 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
67 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
68 CPP_PRAGMA.
70 2006-05-01 Roger Sayle <roger@eyesopen.com>
72 * c-typeck.c (parser_build_binary_op): Don't call the function
73 unsigned_conversion_warning to spot operand/result type overflow.
74 (build_binary_op): Instead, call convert_and_check instead of
75 convert to report the problem when the operands are promoted.
76 * c-common.c (unsigned_conversion_warning): Make static.
77 * c-common.h (unsigned_conversion_warning): Delete prototype.
79 2006-05-01 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/26726
82 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
83 problem ...
84 (find_interesting_uses_address): ... we work around here
85 by folding INDIRECT_REFs in the substituted base.
87 2006-05-01 Diego Novillo <dnovillo@redhat.com>
89 * omp-low.c (dump_omp_region): Add newlines.
91 2006-04-30 Roger Sayle <roger@eyesopen.com>
93 * common.opt (Woverflow): New command line option.
94 * c-common.c (constant_expression_warning): Check warn_overflow.
95 (overflow_waring): Pass OPT_Woverflow to warning.
96 (unsigned_conversion_warning): Likewise.
97 (convert_and_check): Likewise.
98 * doc/invoke.texi: Document new command line option.
100 2006-04-30 David Edelsohn <edelsohn@gnu.org>
102 * config/rs6000/rs6000.c (rs6000_override_options): Enable
103 TARGET_NO_FP_IN_TOC for section anchors.
104 (optimization_options): Enable section anchors for all
105 non-"Objective" languages.
107 2006-04-28 Eric Christopher <echristo@apple.com>
109 * config/darwin-c.c (darwin_ms_struct): Move this
110 (darwin_set_default_type_attributes): and this...
111 * config/darwin.c: ... here.
112 * config/darwin.h (darwin_ms_struct): Declare.
114 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
116 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
118 2006-04-28 Roger Sayle <roger@eyesopen.com>
120 PR c/25309
121 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
122 (push_array_bounds): Delete prototype. Change BOUNDS argument to
123 an unsigned HOST_WIDE_INT.
124 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
125 array index.
126 (really_start_incremental_init): No need to call convert because
127 bitsize_zero_node is already of type bitsizetype.
128 (push_init_level): Extract the value of constructor_index as an
129 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
130 (process_init_element): Likewise.
132 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
134 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
135 value before passing to make_relative_prefix.
137 2006-04-28 Alan Modra <amodra@bigpond.net.au>
139 PR middle-end/27260
140 * builtins.c (expand_builtin_memset): Expand val in original mode.
142 2006-04-27 Eric Christopher <echristo@apple.com>
144 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
145 with #ifndef/#endif.
146 * config/darwin-c.c (darwin_ms_struct): New.
147 (darwin_pragma_ms_struct): Ditto.
148 (darwin_set_default_type_attributes): Ditto.
149 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
150 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
151 Register ms_struct pragma.
152 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
153 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
154 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
155 darwin_set_default_type_attributes if TARGET_MACHO.
157 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
159 PR tree-optimization/26854
160 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
161 * doc/tree-ssa.texi: Update immuse iterator documentation.
162 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
163 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
164 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
165 first_safe_imm_use, next_safe_imm_use): Remove.
166 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
167 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
168 (move_use_after_head): New. Helper function to sort immuses in a stmt.
169 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
170 (first_imm_use_stmt): New. Get first stmt in an immuse list.
171 (next_imm_use_stmt): New. Get next stmt in an immuse list.
172 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
173 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
174 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
175 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
176 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
177 (perfect_nestify): Use new iterator.
178 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
179 iterator.
180 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
181 (next_imm_name): New field in struct immediate_use_iterator_d.
182 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
183 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
184 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
185 * tree-cfg.c (replace_uses_by): Use new iterator.
186 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
187 * tree-ssa-operands.c (correct_use_link): Remove.
188 (finalize_ssa_use_ops): No longer call correct_use_link.
190 2006-04-27 Stuart Hastings <stuart@apple.com>
192 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
193 * config/t-darwin (crt3.o): Use it.
194 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
195 'pmode', use Pmode instead of SImode for SYMBOL_REF.
196 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
197 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
198 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
199 support.
201 2006-04-27 Roger Sayle <roger@eyesopen.com>
203 * expmed.c (store_fixed_bit_field): If we're not optimizing for
204 size, force the intermediate into a new pseudo rather instead of
205 performing both a bitwise AND and a bitwise IOR in memory.
207 2006-04-27 Richard Guenther <rguenther@suse.de>
209 PR rtl-optimization/26685
210 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
211 this one "max-flow-memory-locations".
213 2006-04-27 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/25148
216 * tree-vrp.c (compare_values): Remove code dealing with
217 comparisons against type min/max value. Honour overflow
218 and negative constants in code dealing with comparisons
219 of plus and minus expressions.
220 (value_inside_range): Use fold_binary with LE_EXPR and
221 GE_EXPR rather than compare_values.
223 2006-04-27 Dirk Mueller <dmueller@suse.de>
225 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
226 prototype for SSE.
228 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
230 * basic-block.h (safe_insert_insn_on_edge): Removed.
231 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
234 2006-04-26 David Edelsohn <edelsohn@gnu.org>
235 Paolo Bonzini <bonzini@gnu.org>
237 PR middle-end/27282
238 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
239 (simplify_and_const_int): Same.
241 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
243 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
245 2006-04-26 Jakub Jelinek <jakub@redhat.com>
247 PR c/26171
248 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
249 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
250 cgraph_global_info_ready.
252 PR middle-end/26913
253 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
255 PR c/25996
256 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
257 either decl or init is error_mark_node.
259 PR middle-end/25989
260 * tree-flow.h (struct omp_region): Add sched_kind.
261 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
262 instead of extracting omp for data.
263 (expand_omp_for): Save extracted sched_kind.
265 2006-04-25 Roger Sayle <roger@eyesopen.com>
267 * expmed.c (store_bit_field): Also check whether the bitsize is
268 valid for the machine's "insv" instruction before moving the
269 target into a pseudo for use with the insv.
270 * config/i386/predicates.md (const8_operand): New predicate.
271 * config/i386/i386.md (extv, extzv, insv): Use the new
272 const8_operand predicate where appropriate.
274 2006-04-25 DJ Delorie <dj@redhat.com>
276 * doc/install.texi (Specific): Clarify that this is not a list of
277 supported hosts or targets.
279 2006-04-25 Richard Sandiford <richard@codesourcery.com>
281 PR rtl-optimization/26725
282 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
283 block's BB_DIRTY flag.
285 2006-04-25 Geoffrey Keating <geoffk@apple.com>
287 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
288 are no branches.
290 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
291 to print an integer.
293 2006-04-25 David Edelsohn <edelsohn@gnu.org>
295 * varasm.c (align_variable): New function.
296 (get_block_for_decl): Apply align_variable to DECL before
297 calculating section information.
298 (assemble_variable): Split out alignment computation.
300 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
302 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
303 machines.
305 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
307 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
308 MODE_PARTIAL_INT mode.
309 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
310 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
311 for CONST_INTs.
312 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
313 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
314 V2PDImode.
315 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
316 New predicates.
317 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
318 New constants.
319 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
320 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
321 MACFLAG_IH): Likewise.
322 (movstricthi_1): Renamed from "*movstricthi".
323 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
324 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
325 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
326 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
327 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
328 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
329 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
330 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
331 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
332 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
333 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
334 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
335 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
336 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
337 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
339 * doc/rtl.texi (ss_ashift): Improve wording.
341 2006-04-24 Geoffrey Keating <geoffk@apple.com>
343 * dwarf2out.c (verify_marks_clear): New.
344 (prune_unused_types): Call verify_marks_clear initially, not
345 prune_unmark_dies.
347 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
349 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
350 * doc/rtl.texi: Document them.
351 * simplify-rtx.c (simplify_unary_operation,
352 simplify_binary_operation_1): Don't abort when we see them.
354 2006-04-24 Mark Mitchell <mark@codesourcery.com>
356 Revert:
357 2006-04-23 Mark Mitchell <mark@codesourcery.com>
358 * configure.ac: Completely disregard languages that are not
359 enabled.
360 * configure: Regenerated.
362 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
363 Richard Guenther <rguenther@suse.de>
365 PR tree-optimization/27236
366 * tree-inline.c (copy_body_r): Make sure to copy
367 TREE_THIS_VOLATILE flag.
369 2006-04-24 Richard Guenther <rguenther@suse.de>
371 PR middle-end/26869
372 * tree-complex.c (update_parameter_components): Don't handle
373 unused parameters which have no default def.
375 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
376 Richard Guenther <rguenther@suse.de>
378 PR tree-optimization/27218
379 * tree-inline.c (expand_call_inline): Strip useless type
380 conversions for the return slot address.
382 2006-04-24 Richard Guenther <rguenther@suse.de>
384 * cfgloop.h (struct loops): Remove unused field array. Reorder
385 state after num.
386 (LOOP_PREFETCH): Remove.
388 2006-04-24 Richard Guenther <rguenther@suse.de>
390 PR tree-optimization/22525
391 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
392 variable, adjust types of generated expressions.
394 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
396 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
397 (tree-vect-patterns.o): Likewise.
398 (jump.o): Likewise.
399 (cselib.o): Likewise.
400 (loop-doloop.o): Likewise.
401 (regclass.o): Likewise.
402 (reload1.o): Likewise.
403 (explow.o): Replace target.h with $(TARGET_H).
404 (ipa-prop.o): Likewise.
405 (ipa-cp.o): Likewise.
406 (ipa-inline.o): Likewise.
407 (reorg.o): Likewise.
408 (reg-stack.o): Likewise.
410 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
412 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
414 2006-04-23 Mark Mitchell <mark@codesourcery.com>
416 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
418 * configure.ac: Completely disregard languages that are not
419 enabled.
420 * configure: Regenerated.
422 PR c++/26534
423 * c-common.h (c_build_bitfield_integer_type): Declare.
424 * c-decl.c (c_build_bitfield_integer_type): Move to ...
425 * c-common.c (c_build_bitfield_integer_type): ... here.
427 2006-04-23 Roger Sayle <roger@eyesopen.com>
429 PR target/21283
430 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
431 a SImode SUBREG of a floating point register after no_new_pseudos.
433 2006-04-23 Roger Sayle <roger@eyesopen.com>
435 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
436 identify potentially eliminable registers to additionally catch
437 VIRTUAL_INCOMING_ARGS_REGNUM.
438 (addsi3): Update the conditions on when to use addsi_small_int.
440 2006-04-23 Roger Sayle <roger@eyesopen.com>
442 PR target/16641
443 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
444 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
445 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
447 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
449 * fold-const.c (range_predecessor): Use operand_equal_p
450 as the predicate for equality.
451 (range_successor): Likewise.
453 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
455 Revert:
456 * config/soft-fp/op-common.h: Fix a typo.
458 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
460 PR libmudflap/26864
461 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
462 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
464 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
466 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
467 Fix comment typos.
468 * doc/tm.texi: Fix a typo.
470 2006-04-21 Geoffrey Keating <geoffk@apple.com>
472 * dwarf2out.c (struct die_struct): Document that die_sib makes
473 a circular linked list.
474 (FOR_EACH_CHILD): New.
475 (reverse_die_lists): Delete.
476 (reverse_all_dies): Delete.
477 (add_dwarf_attr): Correct documentation.
478 (remove_child_with_prev): New.
479 (remove_child_TAG): Update for change to die_struct, use
480 remove_child_with_prev.
481 (add_child_die): Update for change to die_struct.
482 (splice_child_die): Use remove_child_with_prev and add_child_die.
483 (print_die): Use FOR_EACH_CHILD.
484 (die_checksum): Likewise.
485 (assign_symbol_names): Likewise.
486 (output_location_lists): Likewise.
487 (build_abbrev_table): Likewise.
488 (calc_die_sizes): Likewise.
489 (mark_dies): Likewise.
490 (unmark_dies): Likewise.
491 (unmark_all_dies): Likewise.
492 (output_die): Likewise.
493 (prune_unused_types_mark): Likewise.
494 (prune_unused_types_walk): Likewise.
495 (same_die_p): Update for change to die_struct.
496 (break_out_includes): Likewise.
497 (prune_unused_types_prune): Likewise.
498 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
499 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
500 it's already clear.
501 (dwarf2out_finish): Don't call reverse_all_dies.
503 2006-04-21 Eric Christopher <echristo@apple.com>
505 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
506 in comments and function names.
508 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
510 PR c/25875
511 * c-typeck.c (digest_init): Robustify.
513 * c-typeck.c (pop_init_level): Simplify.
515 2006-04-21 Steve Ellcey <sje@cup.hp.com>
517 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
519 2006-04-21 Paul Brook <paul@codesourcery.com>
521 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
522 hardware floating point.
524 2006-04-21 David Edelsohn <edelsohn@gnu.org>
526 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
527 NON_FLOAT_REGS.
529 2006-04-21 Nick Clifton <nickc@redhat.com>
531 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
532 OPT_EXTRA_PARTS.
534 2006-04-21 Alan Modra <amodra@bigpond.net.au>
536 PR target/27230
537 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
538 C++ lang type in traceback table for Objective-C++.
540 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
542 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
544 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
546 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
548 PR mudflap/26789
549 * tree-mudflap.c (mudflap_finish_file): Skip function when there
550 were errors. Remove check for erroneous objects.
552 2006-04-20 Jeff Law <law@redhat.com>
554 PR tree-optimization/26854
555 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
556 checking for zero or one use.
557 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
558 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
559 * tree-ssa-reassoc.c (negate_value): Similarly.
560 (reassociate_bb): Similarly.
562 2006-04-20 Jakub Jelinek <jakub@redhat.com>
564 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
565 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
566 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
568 2006-04-20 Alan Modra <amodra@bigpond.net.au>
570 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
571 fp regs if the last fp arg doesn't fit in regs.
573 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
575 PR target/27182
576 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
577 that the last insn has the REG_INC note.
579 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
580 Nathan Sidwell <nathan@codesourcery.com>
582 PR c/26774
583 * stor-layout.c (update_alignment_for_field): Do not align
584 ERROR_MARK nodes.
585 (place_union_field): Place union field at the start of the union.
586 (place_field): Move ERROR_MARK check later, and use the current
587 allocation position to maintain monotonicity.
589 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
591 * dominance.c: Include timevar.h.
592 (calculate_dominance_info): Use TV_DOMINANCE.
593 * timevar.def (TV_DOMINANCE): New timevar.
594 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
596 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
598 PR rtl-optimization/14261
599 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
600 move would be an INSV insn.
601 (noce_process_if_block): Don't optimize if the destination is a
602 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
604 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
606 * config/s390/s390.md: Add comments with the instructions emitted
607 by an insn pattern if macros are used.
609 2006-04-19 Alan Modra <amodra@bigpond.net.au>
611 PR rtl-optimization/26026
612 * fold-const.c (fold_binary): Optimize div and mod where the divisor
613 is a known power of two shifted left a variable amount.
615 2006-04-18 Geoffrey Keating <geoffk@apple.com>
617 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
618 to hash table twice when the debug_str section has SECTION_MERGE.
620 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
622 * config/soft-fp: New directory. From glibc.
623 * config/soft-fp/t-softfp: New.
624 * config/soft-fp/README: New.
625 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
626 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
627 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
628 (LIBGCC_DEPS): Add $(SFP_MACHINE).
629 * config.gcc: Use rs6000/t-fprules-fpbit or
630 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
631 rs6000/t-fprules.
632 * config/rs6000/sfp-machine.h: New. Based on glibc.
633 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
634 New.
635 * config/rs6000/t-fprules: Remove fp-bit rules.
636 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
637 * config/rs6000/t-linux64: Likewise. Remove duplicates from
638 LIB2FUNCS_EXTRA. Remove fp-bit rules.
639 (softfp_wrap_start, softfp_wrap_end): New.
641 2006-04-18 DJ Delorie <dj@redhat.com>
643 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
645 2006-04-18 Devang Patel <dpatel@apple.com>
647 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
649 2006-04-18 Nick Clifton <nickc@redhat.com>
651 * config/sh/t-symbian: Add rule to build sh-c.o
652 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
653 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
654 (sh_symbian_encode_section_info): Likewise.
656 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
658 * builtins.c (expand_builtin_strcmp): Cover label definition of
659 do_libcall with HAVE_cmpstrnsi.
661 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
663 * function.c (temp_slots_at_level, max_slot_level): Use VEC
664 instead of VARRAY.
665 * function.h (temp_slot_p): New.
666 (function): Change the type of x_used_temp_slots to
667 VEC(temp_slot_p,gc) *.
669 2006-04-18 Nick Clifton <nickc@redhat.com>
671 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
672 flag_strength_reduce.
674 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
676 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
678 PR target/27117
680 Partial revert of revision 112637
681 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
682 Dale Johannesen <dalej@apple.com>
684 PR target/19653
685 * regclass.c (struct reg_pref): Update documentation.
686 (regclass): Set prefclass to NO_REGS if memory is the best option.
687 (record_reg_classes): Cope with a prefclass set to NO_REGS.
689 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
691 PR tree-optimization/26821
692 * tree-ssa-math-opts.c (get_constant_one): New.
693 (insert_reciprocals): Use it.
695 2006-04-17 Geoffrey Keating <geoffk@apple.com>
697 * dwarf2out.c (free_AT): Delete.
698 (remove_AT): Update string ref counts.
699 (remove_child_TAG): Don't call free_die.
700 (free_die): Delete.
701 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
702 or DW_TAG_GNU_EINCL.
703 (prune_unused_types_walk_attribs): Reset string refcounts.
704 (prune_unused_types_update_strings): New.
705 (prune_unused_types_prune): Don't make unnecessary stores. Don't
706 call free_die. Do call prune_unused_types_update_strings.
707 (prune_unused_types): Empty debug_str_hash.
709 2006-04-17 Roger Sayle <roger@eyesopen.com>
711 * expr.c (expand_assignment): Optimize away no-op moves where the
712 source and destination are equal and have no side-effects.
714 2006-04-17 Richard Guenther <rguenther@suse.de>
716 PR target/26826
717 * reload.c (push_reload): Guard calls to get_secondary_mem
718 for memory subregs.
720 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
722 * alias.c (reg_base_value, old_reg_base_value): Change the
723 type to VEC(rtx,gc) *.
724 (REG_BASE_VALUE, find_base_value, record_set,
725 init_alias_analysis): Use VEC instead of VARRAY.
727 * alias.c (alias_sets): Change the type to
728 VEC(alias_set_entry,gc) *.
729 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
730 VEC instead of VARRAY.
731 (last_alias_set): Remove.
733 * cgraph.h (cgraph_edge_p): New.
734 Update the prototype of cgraph_function_versioning.
735 * cgraphunit.c (cgraph_copy_node_for_versioning,
736 cgraph_function_versioning): Use VEC instead of VARRAY.
737 * ipa-cp.c (ipcp_insert_stage): Likewise.
739 2006-04-16 Roger Sayle <roger@eyesopen.com>
741 PR target/26961
742 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
743 "A op B" or "A op C", we may need to convert A to the type of B and C.
745 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
747 * target.h (struct gcc_target): Add mode_rep_extended.
748 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
749 (init_num_sign_bit_copies_in_rep): Initialize it using
750 mode_rep_extended.
751 (truncate_to_mode): Use it.
752 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
753 * targhooks.h (default_mode_rep_extended): Declare it.
754 * targhooks.c (default_mode_rep_extended): Define it.
755 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
756 default_mode_rep_extended.
757 (TARGET_INITIALIZER): Include it.
758 * doc/tm.texi (Misc): Document it.
759 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
760 (mips_truncated_to_mode): New function.
762 2006-04-16 Roger Sayle <roger@eyesopen.com>
764 PR middle-end/25474
765 * expr.c (compress_float_constant): Copy the narrow constant into
766 a new pseudo before extending it to its final width.
768 2006-04-16 Roger Sayle <roger@eyesopen.com>
769 Andrew Pinski <pinskia@gcc.gnu.org>
770 Dale Johannesen <dalej@apple.com>
772 PR target/24076
773 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
774 special case code to implement V8HImode and V16QImode with SSE2.
776 2006-04-15 Roger Sayle <roger@eyesopen.com>
778 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
779 trees are constructed with a suitable tree type.
781 2006-04-15 Roger Sayle <roger@eyesopen.com>
783 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
784 (integer_onep): Likewise.
785 (integer_all_onesp): Likewise.
786 (integer_pow2p): Likewise.
787 (integer_nonzerop): Likewise.
788 (real_zerop): Likewise.
789 (real_onep): Likewise.
790 (real_twop): Likewise.
791 (real_minus_onep): Likewise.
792 (int_size_in_bytes): Likewise.
793 (host_integerp): Likewise.
795 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
797 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
798 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
799 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
801 * tree-ssa-structalias.h (alias_info): Remove num_references.
803 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
805 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
806 (output_bvb patterns): Likewise.
807 * pa.c (output_bb): Use 'bb' insn for long branch case.
808 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
809 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
810 1. Correct length operand for alternatives 1 and 2.
811 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
812 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
814 2006-04-14 Roger Sayle <roger@eyesopen.com>
816 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
817 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
818 were accidentally reverted by r112959.
820 2006-04-15 Jakub Jelinek <jakub@redhat.com>
822 PR middle-end/26823
823 * except.h (eh_region_outermost): New prototype.
824 * except.c (eh_region_outermost): New function.
825 * tree-cfg.c (find_outermost_region_in_block): Use it.
827 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
829 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
830 of VARRAY.
831 * reload1.c (reg_equiv_memory_loc_varray): Rename to
832 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
833 (init_reload, reload): Use VEC instead of VARRAY.
834 * reload.h: Update the prototype for
835 reg_equiv_memory_loc_varray.
837 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
838 Eric Botcazou <ebotcazou@libertysurf.fr>
840 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
841 register save area.
843 2005-04-13 Uros Bizjak <uros@kss-loka.si>
845 PR middle-end/27134
846 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
847 to expand fallback builtin function call.
849 2006-04-14 Alan Modra <amodra@bigpond.net.au>
851 PR middle-end/27095
852 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
853 and emit libcall here in case the builtin fails.
854 (expand_builtin_strcmp): Always emit the libcall here on failure.
856 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
858 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
859 * flow.c (reg_n_info): Change the type to
860 VEC(reg_info_p,heap) *.
861 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
862 instead of VARRAY.
863 * regs.h (reg_info_p): New.
864 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
865 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
866 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
867 instead of VARRAY.
869 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
871 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
872 defaulting to 100.
873 * params.h (MAX_SCHED_READY_INSNS): New macro.
874 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
875 past MAX_SCHED_READY_INSNS during the first scheduling pass.
876 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
877 the ready list for 1 cycle during the first scheduling pass.
878 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
880 2006-04-13 Richard Henderson <rth@redhat.com>
882 PR libgomp/26651
883 * gimple-low.c (lower_omp_directive): Remove dead code.
884 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
885 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
886 * omp-low.c (struct omp_region): Move to tree-flow.h.
887 (root_omp_region): Export.
888 (omp_regions, lookup_omp_region): Remove.
889 (determine_parallel_type): Update for struct omp_region changes.
890 (dump_omp_region): Dump regions with block numbers.
891 (new_omp_region): Take type and block instead of stmt; malloc
892 instead of ggc.
893 (free_omp_region_1, free_omp_regions): New.
894 (expand_parallel_call): Take entry_stmt as argument; update for
895 changes to omp_region.
896 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
897 (remove_exit_barriers): New.
898 (expand_omp_parallel): Update for struct omp_region changes.
899 (expand_omp_synch): Likewise.
900 (expand_omp): Likewise.
901 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
902 (expand_omp_for_static_chunk): Likewise.
903 (expand_omp_for): Likewise.
904 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
905 (expand_omp_sections): Similarly, with GOMP_sections_end.
906 (expand_omp_single): New.
907 (build_omp_regions_1): Update for OMP_CONTINUE.
908 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
909 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
910 OMP_SECTIONS_SECTIONS.
911 (lower_omp_single_simple): Don't emit barrier here.
912 (lower_omp_single_copy): Likewise.
913 (lower_omp_single): Fix bindings, and lower to straightline now.
914 (lower_omp_master, lower_omp_ordered): Likewise.
915 (lower_omp_critical): Likewise.
916 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
917 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
918 omp edges, free it afterward.
919 (make_omp_sections_edges): Remove.
920 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
921 (move_stmt_r): Handle OMP_CONTINUE.
922 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
923 statement pointers to basic blocks. Add type member.
924 (root_omp_region, new_omp_region, free_omp_regions): Declare.
925 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
926 * tree-inline.c (estimate_num_insns_1): Likewise.
927 * tree-pretty-print.c (dump_generic_node): Likewise.
928 * tree-ssa-operands.c (get_expr_operands): Likewise.
929 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
930 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
931 (OMP_CONTINUE): New.
932 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
933 (OMP_SECTIONS_SECTIONS): Remove.
934 (OMP_SECTION_LAST): New.
935 (OMP_RETURN_NOWAIT): New.
937 2006-04-13 Roger Sayle <roger@eyesopen.com>
939 * fold-const.c (native_encode_vector, native_interpret_real):
940 Correct obvious mistakes in the previous check-in.
942 2006-04-13 Roger Sayle <roger@eyesopen.com>
944 * fold-const.c (native_encode_expr): New function to encode
945 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
946 or VECTOR_CST into a specified buffer.
947 (native_encode_int): New function.
948 (native_encode_real): New function.
949 (native_encode_complex): New function.
950 (native_encode_vector): New function.
951 (native_interpret_expr): Inverse of native_encode_expr to convert
952 a target representation into an INTEGER_CST, REAL_CST etc...
953 (native_interpret_int): New function.
954 (native_interpret_real): New function.
955 (native_interpret_complex): New function.
956 (native_interpret_vector): New function.
957 (fold_view_convert_expr): New function to constant fold/evaluate
958 a VIEW_CONVERT_EXPR of a suitable constant expression.
959 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
960 Change call of build1 to fold_build1 when constructing a
961 VIEW_CONVERT_EXPR.
963 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
964 Ulrich Weigand <uweigand@de.ibm.com>
966 PR target/27006
967 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
968 to be even.
970 2006-04-13 Alan Modra <amodra@bigpond.net.au>
972 PR target/26459
973 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
974 optimize to lo_sum for DFmode if !TARGET_FPRS.
976 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
978 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
979 delete_alias_info, compute_flow_sensitive_aliasing,
980 group_aliases): Use VEC instead of VARRAY.
981 * tree-ssa-structalias.c (update_alias_info): Likewise.
982 * tree-ssa-structalias.h (alias_info): Change the type of
983 processed_ptrs to VEC(tree,heap) *.
985 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
987 PR target/27060
988 * config/sh/lib1funcs.h: New file, broken out of:
989 * config/sh/lib1funcs.asm.
990 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
991 New macros.
992 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
993 * config/sh/lib1funcs-Os-4-200.asm: New file.
994 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
995 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
996 (EXTRA_MULTILIB_PARTS): Include it.
997 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
998 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
999 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1000 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1001 TARGET_SH2.
1003 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1005 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1006 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1007 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1008 VARRAY.
1009 * tree-ssa-live.h: Include vecprim.h.
1010 (tree_partition_associator_d): Change the type of
1011 first_partition to VEC(int,heap) *.
1012 (tpa_first_partition): Use VEC instead of VARRAY.
1014 * Makefile.in (GTFILES): Move functions.h after tree.h.
1015 * function.c (reset_block_changes, record_block_change,
1016 check_block_change, free_block_changes): Use VEC instead of
1017 VARRAY.
1018 * function.h (function): Change the type of
1019 ib_boundaries_block to VEC(tree,gc) *.
1020 * tree-inline.c (copy_cfg_body): Initialize
1021 ib_boundaries_block to NULL instead of (varray_type) 0.
1023 2006-04-12 Roger Sayle <roger@eyesopen.com>
1025 * expr.c (emit_group_store): Correct operand order in call to
1026 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1027 a SUBREG_BYTE of zero.
1029 2006-04-12 Richard Guenther <rguenther@suse.de>
1031 * profile.c (compute_branch_probabilities): Remove code
1032 encapsulated in !ir_type (), which are remanents of the
1033 removed RTL profiling code.
1034 * rtl-profile.c: Remove.
1036 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1038 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1039 magic NULL_RTX comment.
1040 (function_arg): Store entire fp arg to mem if any part should go
1041 on stack.
1042 (rs6000_arg_partial_bytes): Adjust for above change.
1044 2006-04-11 Roger Sayle <roger@eyesopen.com>
1046 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1047 if it hasn't been initialized by dwarf2out_init.
1049 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1051 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1052 symbolic constants in branch patterns.
1054 2006-04-11 Roger Sayle <roger@eyesopen.com>
1056 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1058 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1060 PR rtl-optimization/27073
1061 * gcse.c (try_replace_reg): Revert last change. Continue to search
1062 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1063 on the former.
1065 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1067 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1068 aggregate types other than record and union types.
1069 (function_arg): Likewise.
1070 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1071 small arrays.
1072 (function_value): In 64-bit mode, return objects that require it
1073 in FP registers.
1075 2006-04-11 Roger Sayle <roger@eyesopen.com>
1077 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1079 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1081 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1083 2006-04-03 Jeff Law <law@redhat.com>
1085 PR/27087
1086 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1087 alias information too.
1089 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1091 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1093 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1095 PR/21391
1096 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1097 (premark_used_types_helper): New.
1098 (premark_used_types): New.
1099 (gen_subprogram_die): Call premark_used_types.
1100 (prune_unused_types_walk): Do not prune perennial dies.
1101 * function.c (used_types_insert): New.
1102 * function.h (struct function): Add used_types_hash field.
1103 (used_types_insert): Add prototype.
1104 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1105 * c-parser.c (c_parser_cast_expression): Save casted types in used
1106 types hash table.
1108 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1110 PR target/26459
1111 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1112 rs6000_explicit_options.float_gprs.
1114 2006-04-10 Roger Sayle <roger@eyesopen.com>
1116 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1117 from ix86_expand_vector_init_low_nonzero. Take an additional
1118 one_var argument indicating which element is non-zero. Support
1119 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1120 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1121 with one_var instead of ix86_expand_vector_init_low_nonzero.
1123 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1125 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1126 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1127 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1128 build/genextract.o): Depend on vecprim.h.
1129 * cfglayout.c, df-problems.c, function.c, genextract.c,
1130 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1131 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1132 vecprim.h.
1133 * vecprim.h: New.
1135 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1137 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1138 Declare VECs of this type.
1139 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1140 (remove_children): Delete.
1141 (add_dwarf_attr): Use VEC routines.
1142 (add_AT_flag): Update for changes to add_dwarf_attr.
1143 (add_AT_int): Likewise.
1144 (add_AT_unsigned): Likewise.
1145 (add_AT_long_long): Likewise.
1146 (add_AT_vec): Likewise.
1147 (add_AT_string): Likewise.
1148 (add_AT_die_ref): Likewise.
1149 (add_AT_fde_ref): Likewise.
1150 (add_AT_loc): Likewise.
1151 (add_AT_loc_list): Likewise.
1152 (add_AT_addr): Likewise.
1153 (add_AT_lbl_id): Likewise.
1154 (add_AT_lineptr): Likewise.
1155 (add_AT_macptr): Likewise.
1156 (add_AT_offset): Likewise.
1157 (add_AT_range_list): Likewise.
1158 (get_AT): Use VEC_iterate.
1159 (remove_AT): Use VEC_ordered_remove.
1160 (free_die): Fold remove_children into here; have it use VEC_iterate.
1161 (print_die): Use VEC_iterate on attrs.
1162 (reverse_die_lists): Don't reverse attr lists.
1163 (die_checksum): Use VEC_iterate on attrs.
1164 (same_die_p): Likewise.
1165 (output_location_lists): Likewise.
1166 (build_abbrev_table): Likewise.
1167 (size_of_die): Likewise.
1168 (unmark_all_dies): Likewise.
1169 (output_abbrev_section): Likewise.
1170 (output_die): Likewise.
1171 (prune_unused_types_walk_attribs): Likewise.
1173 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1175 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1177 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1179 PR debug/27057
1180 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1182 2006-04-09 Roger Sayle <roger@eyesopen.com>
1184 * expr.c (store_constructor): Don't bother clearing target if
1185 we're about to assign a vector to it using vec_init_optab.
1187 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1189 * tree-ssa-alias.c (lhs_may_store_to): New function.
1190 (recalculate_used_alone): Handle LHS of calls.
1192 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1194 PR target/27034
1195 PR target/26508
1196 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1197 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1198 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1199 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1200 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1201 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1202 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1203 stubs. Add ".align 8" directives before all ".dword" directives.
1204 (GTHREAD_USE_WEAK): Revise comment.
1205 (TARGET_ATTRIBUTE_WEAK): Define.
1206 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1207 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1208 * stublib.c: New file.
1210 PR target/26743
1211 PR target/11254
1212 PR target/10274
1213 * pa.md (cbranch patterns): Revise arguments used in calls to
1214 output_cbranch, output_bb and output_bvd. Add long branch length
1215 attributes.
1216 (fbranch patterns): Handle long branches.
1217 (jump): Revise length check. Revise arguments for output_lbranch call.
1218 Add long branch length attributes.
1219 (decrement_and_branch_until_zero): Add long branch length attributes.
1220 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1221 Likewise. Revise arguments for output_parallel_addb and
1222 output_parallel_movb calls.
1223 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1224 output_parallel_movb and output_parallel_addb): Update prototypes.
1225 * pa.c (output_cbranch): Revise arguments. Correct handling of
1226 nullification in long branches.
1227 (output_lbranch): Add new argument to control extraction of delay
1228 instruction.
1229 (output_bb): Handle long branches.
1230 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1231 output_parallel_addb): Likewise.
1233 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1235 PR rtl-optimization/27073
1236 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1237 not REG_EQUIVs.
1239 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1241 * tree.h (tree_memory_tag): Add old_used_alone.
1242 (SMT_OLD_USED_ALONE): New macro.
1243 * tree-ssa-alias.c (recalculate_used_alone): Stop
1244 marking things for renaming unnecessarily.
1246 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1248 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1249 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1250 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1251 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1252 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1253 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1254 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1255 spelling convensions.
1256 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1257 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1258 typos. Follow spelling conventions.
1260 2006-04-07 DJ Delorie <dj@redhat.com>
1262 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1263 passed on the stack.
1264 (m32c_init_cumulative_args): When a function returns a structure,
1265 always pass the pointer to that return area on the stack.
1266 (m32c_function_arg_advance): Don't increment the parameter number
1267 if we're processing the returned structure pointer.
1268 (pushm_info): Reverse order of registers.
1270 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1272 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1273 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1274 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1275 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1276 build_int_cst_type.
1277 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1278 chrec_fold_multiply): Same.
1279 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1280 force_expr_to_var_cost): Same.
1281 * tree-mudflap.c (mf_xform_derefs_1): Same.
1282 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1284 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1286 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1287 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1288 insn.
1290 2006-04-07 Jan Hubicka <jh@suse.cz>
1292 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1294 2006-04-07 Richard Guenther <rguenther@suse.de>
1296 PR tree-optimization/26135
1297 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1298 loads for store copy-prop.
1299 (copy_prop_visit_stmt): Likewise.
1301 2006-04-05 Robert Millan <robertmh@gnu.org>
1303 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1304 being overriden in config/k*bsd-gnu.h.
1305 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1306 DYNAMIC_LINKER.
1307 * gcc/config/knetbsd-gnu.h: Ditto.
1309 2006-04-06 Jan Hubicka <jh@suse.cz>
1311 PR profile/20815
1312 PR profile/26399
1313 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1314 after buffer.
1316 2006-04-06 Mike Stump <mrs@apple.com>
1318 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1319 for HAVE_nonlocal_goto to be consistent.
1320 (expand_builtin_nonlocal_goto): Likewise.
1321 (expand_builtin_strcmp): Use #ifdef instead of #if
1322 for HAVE_cmpstrnsi to be consistent.
1324 2006-04-05 DJ Delorie <dj@redhat.com>
1326 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1327 vs m32c.
1329 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1331 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1332 got-relative addressing for anything but SImode.
1334 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1335 even if the calling function doesn't modify them.
1337 2006-04-05 Richard Guenther <rguenther@suse.de>
1339 PR tree-optimization/26919
1340 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1341 to cgraph_estimate_size_after_inlining.
1343 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1345 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1347 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1349 PR tree-optimization/26996
1350 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1351 VECTOR_TYPE variables.
1353 2006-04-05 Richard Guenther <rguenther@suse.de>
1355 PR tree-optimization/26763
1356 * fold-const.c (fold_comparison): Move folding of
1357 PTR + CST CMP PTR + CST ...
1358 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1360 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1362 * doc/install.texi (Prerequisites): Refine some wording on
1363 bootstrapping and ksh.
1364 Move the version numbers of DejaGnu here from the testing section
1365 and fix casing of names.
1366 Fix markup and clarify wording for autogen requirements.
1367 Refer to GCJ instead of just java.
1368 Refer to SVN instead of CVS.
1369 Describe diffutils as useful instead of necessary.
1370 (Downloading the source): Refer to SVN instead of CVS.
1371 Adjust a link to our web site accordingly.
1372 (Configuration): Fix casing of Bison.
1373 (Building): Refer to SVN instead of CVS.
1374 Fix a sentence on the use of Bison and remove duplicate (and
1375 incorrect) version number of Bison requirement.
1376 Remove one redundant list of packages needed for building.
1377 (Specific): Avoid reference to CVS.
1379 2006-04-04 Eric Christopher <echristo@apple.com>
1381 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1382 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1383 (rs6000_handle_struct_attribute): New.
1384 (rs6000_ms_bitfield_layout_p): Ditto.
1386 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1388 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1389 NULL for dso parameter to atexit_common.
1391 2006-04-04 Eric Christopher <echristo@apple.com>
1393 * config/i386/i386.c (machopic_output_stub): Output \t
1394 between instructions and operands.
1396 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1398 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1399 satisfies_constraint_[IL] to explicit tests on value.
1401 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1403 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1404 set_nb_iterations_in_loop): Use build_int_cst instead of
1405 build_int_cst_type.
1406 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1407 build_int_cst instead of convert.
1409 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1411 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1412 new value 2 for incoming.
1413 * function.c (expand_function_start): Call struct_value_rtx
1414 with incoming as 2.
1415 * config/sparc/sparc.md: Comment updated_return.
1416 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1417 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1418 struct return if sparc_std_struct_return and incoming is 2.
1419 (print_operand): Do not adjust return if
1420 sparc_std_struct_return.
1422 2006-04-04 Roger Sayle <roger@eyesopen.com>
1424 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1425 convert in the middle-end.
1426 * expr.c (store_expr, store_constructor, get_inner_reference,
1427 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1428 Likewise.
1429 * tree.c (build_range_type): Likewise.
1431 2006-04-04 Tom Tromey <tromey@redhat.com>
1433 * doc/install.texi (Prerequisites): Mention jar.
1435 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1437 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1438 subsection.
1440 2006-04-04 Matthias Klose <doko@debian.org>
1442 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1443 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1444 strings.
1446 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1448 * doc/extend.texi (Function Attributes): Rewrite visibility
1449 attribute documentation.
1450 * doc/invoke.texi (C++ Dialect Options): Rewrite
1451 -fvisibility-inlines-hidden documentation to describe something
1452 entirely different, although in practise compatible.
1453 (Code Gen Options): Warn about system headers in -fvisibiltity=
1454 documentation.
1456 * doc/extend.texi (Other Builtins): Document that
1457 __builtin_nan is a compile-time constant only when its argument
1458 is valid.
1460 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1462 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1463 trying to remove TRUNCATE check if all bits outside the new mode
1464 are identical to the sign bit.
1466 2006-04-03 Jeff Law <law@redhat.com>
1468 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1469 and operand scanning in some common cases.
1471 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1472 Dale Johannesen <dalej@apple.com>
1474 PR target/19653
1475 * regclass.c (struct reg_pref): Update documentation.
1476 (regclass): Set prefclass to NO_REGS if memory is the best option.
1477 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1478 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1479 into account. For non-registers, equate an empty preferred
1480 reload class to a `!' in the constraint; move the if clause to
1481 do so after those that reject the insn.
1482 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1483 return NO_REGS.
1484 (find_dummy_reload): Likewise.
1485 * doc/tm.texi (Register Classes): Document what it means
1486 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1487 * config/i386/i386.c (ix86_preferred_reload_class): Force
1488 using SSE registers (and return NO_REGS for floating-point
1489 constants) if math is done with SSE.
1490 (ix86_preferred_output_reload_class): New.
1491 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1492 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1493 * config/i386/i386.md: Remove # register preferences.
1495 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1497 PR bootstrap/26992
1498 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1499 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1500 the type of nb_iter.
1501 (instantiate_parameters_1): Convert the operands before calling
1502 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1503 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1505 2006-04-02 Roger Sayle <roger@eyesopen.com>
1507 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1508 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1509 instead of convert.
1510 * dojump.c (do_jump): Likewise.
1511 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1512 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1513 gimplify_boolean_expr): Likewise.
1514 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1515 * varasm.c (array_size_for_constructor): Likewise.
1516 * tree-object-size.c (compute_object_offset): Likewise.
1518 2006-04-02 Roger Sayle <roger@eyesopen.com>
1520 PR middle-end/26977
1521 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1522 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1524 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1526 PR tree-optimization/26939
1527 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1529 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1531 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1532 at_stmt. Convert the type of operands before calling
1533 build_polynomial_chrec.
1534 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1535 add_to_evolution_1.
1536 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1537 (instantiate_parameters_1): Convert the type of operands before calling
1538 build_polynomial_chrec.
1539 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1540 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1541 reset_evolution_in_loop): Insert asserts to check the types of the
1542 operands.
1543 (chrec_type): Moved...
1544 (eq_evolutions_p): Use operand_equal_p.
1545 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1546 the types of the operands.
1547 (chrec_type): ...here.
1548 * tree-data-ref.c (create_data_ref): Convert the operands before
1549 calling chrec_replace_initial_condition.
1550 (same_access_functions, analyze_subscript_affine_affine,
1551 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1552 (compute_subscript_distance, analyze_ziv_subscript,
1553 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1554 analyze_miv_subscript): Convert the operands before calling
1555 chrec_fold_minus or chrec_fold_plus.
1557 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1559 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1560 the dependence_relations vector.
1561 (compute_data_dependences_for_loop): Adjust call to
1562 compute_all_dependences.
1564 2006-04-01 Roger Sayle <roger@eyesopen.com>
1565 Richard Henderson <rth@redhat.com>
1567 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1568 gimple_boolify on the condition before calling gimplify_expr.
1570 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1572 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1573 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1574 the frame size. Update to use the new macros.
1575 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1576 * config/xtensa/ieee754-df.S: Likewise.
1578 2006-03-31 Richard Henderson <rth@redhat.com>
1580 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1581 (make_edges): ... here. Control fallthru creation with a local
1582 variable. Do not play with fake edges.
1583 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1584 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1585 a boolean.
1587 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1589 * dwarf2.h (DW64_CIE_ID): Define.
1590 * dwarf2out.c (DWARF_CIE_ID): Define.
1591 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1592 length header. Use DWARF_CIE_ID.
1593 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1594 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1596 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1598 * config/sh/linux-atomic.asm: New file.
1599 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1601 2006-03-31 DJ Delorie <dj@redhat.com>
1603 * config/m32c/cond.md: Set condition flags properly throughout.
1604 * config/m32c/minmax.md: Likewise.
1605 * config/m32c/prologue.md: Likewise.
1606 * config/m32c/bitops.md: Likewise.
1607 * config/m32c/muldiv.md: Likewise.
1608 * config/m32c/mov.md: Likewise.
1609 * config/m32c/addsub.md: Likewise.
1610 * config/m32c/m32c.md: Likewise.
1611 * config/m32c/jump.md: Likewise.
1612 * config/m32c/shift.md: Likewise.
1614 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1615 conditionally output the pattern for this.
1616 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1617 (m32c_compare_redundant): New.
1618 (m32c_output_compare): New.
1619 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1621 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1622 dest, not src. Allow other 4-byte modes.
1624 2006-03-30 Denis Chertykov <denisc@overta.ru>
1626 * doc/md.texi: Refer to avr/constraints.md instead of
1627 avr/avr.h.
1629 2006-03-30 Roger Sayle <roger@eyesopen.com>
1631 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1632 signed vs. unsigned comparison failures on some hosts.
1634 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1636 PR target/26459
1637 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1638 change to FLOAT_REGS.
1640 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1641 (rs6000_override_options): Use it.
1642 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1643 only for -mabi=spe/no-spe and -mabi=altivec.
1645 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1647 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1648 !Zdynamiclib.
1650 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1652 * Makefile.in: Rename docdir to gcc_docdir.
1654 2006-03-30 Roger Sayle <roger@eyesopen.com>
1656 PR target/17959
1657 * expr.c (emit_group_store): Optimize group stores into a pseudo
1658 register by using a paradoxical subreg to initialize the destination
1659 if the first or last member of the group specifies a "low part".
1661 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1663 PR target/26734
1664 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1665 * target.h (struct gcc_target.speculate_insn): Change type of the
1666 second parameter to 'int'.
1667 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1668 the second operand of the DEPS_LIST.
1669 (copy_DEPS_LIST_list): Update reference to the second operand of the
1670 DEPS_LIST.
1671 * rtl.h (alloc_DEPS_LIST): Update signature.
1672 * sched-int.h (ds_t): Change typedef to 'int'.
1673 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1675 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1677 * haifa-sched.c (try_ready): Change condition to restore
1678 non-speculative pattern of the instruction.
1679 (process_insn_depend_be_in_spec): Code to keep probability of the
1680 speculative dependence non-decreasing.
1682 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1684 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1685 (single_move_for_movmem): ... this. Also change all uses.
1686 (bfin_expand_strmov): Renamed to...
1687 (bfin_expand_movmem): ... this. Also change all uses.
1688 * config/bfin/bfin.md (movstrsi): Renamed to...
1689 (movstrsi): ...this.
1691 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1693 PR tree-optimization/26830
1695 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1696 (copy_prop_visit_stmt): Remove write-only variable ann.
1697 (init_copy_prop): Check variable loop depth here. Do not simulate
1698 memory-tag and virtual operand PHIs except for store copy prop.
1700 2006-03-30 Richard Guenther <rguenther@suse.de>
1702 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1703 variants with double arguments.
1705 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1707 * genpreds.c (write_tm_constrs_h): Delete variable p.
1708 * genconditions.c (write_header): Add tm-constrs.h to included
1709 headers.
1710 * genpeep.c (main): Add toplev.h to included headers.
1711 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1712 (build/genpeep.o): Add toplev.h dependency.
1713 * config/rs6000/constraints.md: Add "W" constraint.
1715 2006-03-29 Roger Sayle <roger@eyesopen.com>
1717 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1718 sizes by correctly testing whether the size fits a host integer.
1719 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1720 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1721 SImode range for the default sizetype and bitsizetype.
1723 2006-03-29 Roger Sayle <roger@eyesopen.com>
1725 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1726 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1727 quickly if the argument is already of the correct type.
1728 Call fold_build1 instead of build1. Tidy up blank lines.
1730 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1732 * genemit.c (main): Add tm-constrs.h to included headers.
1733 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1734 * genpeep.c (main): Add tm-constrs.h to included headers.
1735 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1736 (write_tm_constrs_h): this and write complete file.
1737 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1738 (write_insn_preds_c): Add tm-constrs.h to included headers.
1739 (gen_constrs): New variable.
1740 (parse_option): Parse "-c".
1741 (main): Invoke write_tm_constrs_h.
1742 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1743 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1744 (object_out_file): Add tm-constrs.h dependency.
1745 (insn-emit.o): Same.
1746 (insn-output.o): Same.
1747 (insn-peep.o): Same.
1748 (insn-preds.o): Same.
1749 (insn-recog.o): Same.
1750 (tm-constsr.h): New target.
1751 (s-constrs-h): New target.
1753 * config/rs6000/constraints.md: New file.
1754 * config/rs6000/rs6000.c: Include tm-constrs.h.
1755 (num_insn_constant_wide): Convert to satisfies_constraint.
1756 (rs6000_rtx_costs): Convert to satisfies_constraint.
1757 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1758 (CONST_OK_FOR_LETTER_P): Delete.
1759 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1760 (EXTRA_CONSTRAINT): Delete.
1761 (EXTRA_MEMORY_CONSTRAINT): Delete.
1762 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1763 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1764 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1765 satisfies_constraint.
1767 * config/i386/i386.c: Include tm-constrs.h.
1769 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1771 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1772 * tree-data-ref.c (find_data_references_in_loop,
1773 compute_data_dependences_for_loop): Use pointers to VEC.
1774 (analyze_all_data_dependences): Adjust calls.
1775 * tree-data-ref.h (find_data_references_in_loop,
1776 compute_data_dependences_for_loop): Adjust declarations.
1777 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1778 compute_data_dependences_for_loop.
1780 2006-03-29 Paul Brook <paul@codesourcery.com>
1782 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1783 (movdf_vfp): Ditto.
1785 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1787 PR tree-optimization/26859
1788 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1789 division by zero.
1790 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1791 for the step after fold_convert.
1793 2006-03-29 Paul Brook <paul@codesourcery.com>
1795 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1796 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1798 2006-03-29 Paul Brook <paul@codesourcery.com>
1800 PR middle-end/23623
1801 * targhooks.c (default_narrow_bitfield): New fuction.
1802 * targhooks.h (default_narrow_bitfield): add prototype.
1803 * target.h (gcc_target): Add narrow_volatile_bitfield.
1804 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1805 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1806 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1807 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1809 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1811 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1812 tmake_file.
1813 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1814 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1815 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1816 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1817 (s390_function_arg_float): Allow SDmode and DDmode values to be
1818 passed in floating point registers.
1819 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1820 check with SCALAR_FLOAT_MODE_P.
1821 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1823 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1825 PR tree-optimization/25985
1826 * tree-ssa-loop-niter.c (number_of_iterations_le,
1827 number_of_iterations_ne): Make comments more precise.
1828 (number_of_iterations_cond): Add only_exit argument. Use the
1829 fact that signed variables do not overflow only when only_exit
1830 is true.
1831 (loop_only_exit_p): New.
1832 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1833 number_of_iterations_cond.
1835 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1837 PR tree-optimization/26643
1838 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1839 bit_field_refs.
1841 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1843 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1844 (divsi3_i4_int): Likewise.
1846 2006-03-28 Roger Sayle <roger@eyesopen.com>
1848 * expr.c (emit_group_store): Only create a new pseudo reg if the
1849 quantity it needs to hold isn't already a suitable pseudo.
1851 2006-03-28 Jeff Law <law@redhat.com>
1853 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1854 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1856 2006-03-28 Roger Sayle <roger@eyesopen.com>
1858 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1859 the equivalent ~X & Y, and the symmetry related transformations.
1860 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1861 ~X & Y, and symmetry related transforms.
1863 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1865 Revert my 2006-03-27 patches.
1867 2006-03-28 Roger Sayle <roger@eyesopen.com>
1869 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1870 ~(T1)X, when T1 and T2 are integer types of the same precision
1871 and (T2)X isn't an extension.
1873 2006-03-28 Jeff Law <law@redhat.com>
1875 PR tree-optimization/26796
1876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1877 need EH edge cleanups rather than purging them immediately.
1878 (eliminate_degenerate_phis): Handle queued EH cleanups.
1880 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1882 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1883 from parent_var.
1885 2006-03-27 Roger Sayle <roger@eyesopen.com>
1887 PR middle-end/22524
1888 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1889 cast BIT_NOT_EXPR operand to the correct type.
1891 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1893 * tree-loop-linear.c: Don't include varray.h.
1894 (gather_interchange_stats, try_interchange_loops,
1895 linear_transform_loops): Use VEC instead of VARRAY.
1896 * lambda-mat.c: Don't include varray.h.
1897 * tree-chrec.c: Same.
1898 * lambda-trans.c: Same.
1899 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1900 VEC instead of VARRAY.
1901 * tree-vectorizer.h: Idem.
1902 * tree-data-ref.c (dump_data_references,
1903 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1904 initialize_data_dependence_relation, finalize_ddr_dependent,
1905 compute_all_dependences, find_data_references_in_loop,
1906 compute_data_dependences_for_loop, analyze_all_data_dependences,
1907 free_dependence_relation, free_dependence_relations,
1908 free_data_refs): Idem.
1909 * tree-data-ref.h (data_reference_p, subscript_p): New.
1910 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1911 VEC instead of VARRAY.
1912 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1913 (find_data_references_in_loop, compute_data_dependences_for_loop,
1914 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1915 dump_data_dependence_relations, free_dependence_relations,
1916 free_data_refs): Adjust declaration.
1917 (lambda_transform_legal_p): Move declaration here...
1918 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1919 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1920 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1921 vect_analyze_data_refs): Use VEC instead of VARRAY.
1922 * lambda.h (lambda_transform_legal_p): ...from here.
1923 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1924 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1925 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1926 tree-chrec.o): Don't depend on VARRAY_H.
1928 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1930 * rtl.def (Copyright): Update date.
1931 (DEPS_LIST): Change type of the second operand to 'int'.
1932 * target.h (Copyright): Update date.
1933 (struct gcc_target.speculate_insn): Change type of the second parameter
1934 to 'int'.
1935 * lists.c (Copyright): Update date.
1936 (alloc_DEPS_LIST): Change signature. Update reference to the second
1937 operand of the DEPS_LIST.
1938 (copy_DEPS_LIST_list): Update reference to the second operand of the
1939 DEPS_LIST.
1940 * rtl.h (Copyright): Update date.
1941 (alloc_DEPS_LIST): Update signature.
1942 * sched-int.h (Copyright): Update date.
1943 (ds_t): Change typedef to 'int'.
1944 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1946 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1948 * haifa-sched.c (Copyright): Update date.
1949 (try_ready): Change condition to restore non-speculative pattern
1950 of the instruction.
1951 (process_insn_depend_be_in_spec): Code to keep probability of the
1952 speculative dependence non-decreasing.
1954 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1956 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1957 shut up the compiler.
1959 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1961 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1962 to use lib prefix for target.
1963 ($(T)libic_invalidate_array_4-200.a): Likewise.
1964 ($(T)libic_invalidate_array_4a.a): Likewise.
1966 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1967 J"orn Rennecke <joern.rennecke@st.com>
1969 * superh.opt: New file.
1970 * sh.c (boardtype, osruntime): Remove.
1971 * superh.h (SUBTARGET_OPTIONS): Remove.
1972 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1974 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1975 arguments with ^ and/or [].
1977 * config.gcc (sh-*-*): Add quoting to account for quirk of
1978 Solaris /bin/sh.
1979 Replace == with = in enable_incomplete_targets test.
1981 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1982 with MASK_LITTLE_ENDIAN.
1984 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1985 * config/sh/sh.opt: Added to some comments.
1986 * config/sh/superh.h: Removed some chaff.
1988 * config/sh/sh.opt: Add m4-[1234]00* options.
1989 * config/sh/sh.c (sh_handle_option): Likewise.
1990 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1991 (ic_invalidate_array_4-100.o): New rule.
1992 ($(T)libic_invalidate_array_4-100.a): Likewise.
1993 (ic_invalidate_array_4-200.o): Likewise.
1994 ($(T)libic_invalidate_array_4-200.a): Likewise.
1995 (ic_invalidate_array_4a.o): Likewise.
1996 ($(T)libic_invalidate_array_4a.a): Likewise.
1997 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1998 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1999 m4-200*, and m4a*.
2000 * config/sh/crt1.asm: Merged in profiling code.
2001 * config/sh/superh.h (STARTFILE_SPEC): Override.
2002 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2003 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2004 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2006 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2007 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2008 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2010 * sh.opt (mpretend-cmove): New option.
2011 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2012 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2013 (movsicc): Add TARGET_PRETEND_CMOVE code.
2015 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2017 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2018 s390_class_max_nregs): New function prototypes.
2019 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2020 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2021 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2022 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2024 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2026 * dwarf2out.c (add_location_or_const_value_attribute): Call
2027 tree_add_const_value_attribute if nothing else works.
2028 (reference_to_unused): New.
2029 (rtl_for_decl_init): Use reference_to_unused to decide whether
2030 to output an initializer.
2032 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2034 PR target/26459
2035 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2036 peephole removing spe frob_di_df_2.
2038 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2040 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2041 (subscript_dependence_tester_1): Declared.
2042 (print_dir_vectors, print_dist_vectors): New.
2043 (debug_data_dependence_relation): New.
2044 (dump_data_dependence_relation): Print more details.
2045 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2046 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2047 (save_dist_v, save_dir_v, add_outer_distances,
2048 build_classic_dist_vector_1): New.
2049 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2050 Don't test for lambda_vector_lexico_pos.
2051 (same_access_functions, add_multivariate_self_dist,
2052 add_other_self_distances, dir_from_dist): New.
2053 (build_classic_dir_vector): Replace implementation almost identical to
2054 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2055 dir_from_dist.
2056 (subscript_dependence_tester_1): New.
2057 (subscript_dependence_tester): Handle the lexicographically negative
2058 distance vectors by recomputing the dependence relation.
2059 (compute_affine_dependence): Remove parameter loop_nest_depth.
2060 (compute_self_dependence): Don't call compute_subscript_distance.
2061 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2062 Add a parameter for the loop_nest.
2063 (find_loop_nest_1, find_loop_nest): New.
2064 (compute_data_dependences_for_loop): Compute the loop nest, and give
2065 up if the nest is not well formed.
2066 * tree-data-ref.h (loop_p): New.
2067 (struct data_dependence_relation): Replace size_vect field with
2068 loop_nest, a vec of loops.
2069 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2070 (DDR_LOOP_NEST): New.
2071 (print_dir_vectors, print_dist_vectors,
2072 debug_data_dependence_relation): Declared.
2073 (index_in_loop_nest): New.
2074 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2075 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2076 distance.
2078 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2080 * simplify-rtx.c (simplify_relational_operation): Call
2081 simplify_relational_operation_1 even if mode is VOIDmode.
2083 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2085 PR tree-optimization/26804
2086 * tree.h (DECL_CALL_CLOBBERED): New macro.
2087 (tree_decl_common): Add call_clobbered_flag.
2088 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2089 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2090 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2091 (mark_non_addressable): Ditto.
2092 * tree-ssa.c (verify_call_clobbered): New function.
2093 (verify_alias_info): Use it.
2094 * tree-pass.h (pass_reset_cc_flags): New prototype.
2095 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2096 (reset_cc_flags): New function.
2097 * passes.c (init_optimization_passes): Call reset_cc_flags after
2098 initializing referenced_vars.
2100 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2101 Roger Sayle <roger@eyesopen.com>
2103 PR middle-end/26717
2104 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2105 to 1.0 for non-real operands. Implement A / A optimization for
2106 complex operands.
2108 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2110 * config/i386/i386.c (size_cost): Correct the comment for
2111 cost of storing fp registers.
2112 (i386_cost): Likewise.
2113 (i486_cost): Likewise.
2114 (pentium_cost): Likewise.
2115 (pentiumpro_cost): Likewise.
2116 (k6_cost): Likewise.
2117 (athlon_cost): Likewise.
2118 (k8_cost): Likewise.
2119 (pentium4_cost): Likewise.
2120 (nocona_cost): Likewise.
2121 (generic64_cost): Likewise.
2122 (generic32_cost): Likewise.
2124 2006-03-24 Denis Chertykov <denisc@overta.ru>
2126 * config/avr/avr-protos.h (extra_constraint): Delete.
2127 (extra_constraint_Q): New declaration.
2128 * config/avr/constraints.md: New file.
2129 * config/avr/avr.md: Include it.
2130 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2131 (TMP_REGNO, ZERO_REGNO): Likewise.
2132 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2133 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2134 (extra_constraint): Delete.
2135 (extra_constraint_Q): Test for memory constraint 'Q'.
2136 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2137 (REG_CLASS_FROM_LETTER): Delete.
2138 (CONST_OK_FOR_LETTER_P): Delete.
2139 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2140 (EXTRA_CONSTRAINT): Delete.
2141 (TMP_REGNO): Delete.
2142 (ZERO_REGNO): Delete.
2144 2006-03-24 Jeff Law <law@redhat.com>
2146 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2147 directly. Call mark_new_vars_to_rename slightly earlier.
2149 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2151 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2152 (is_cxx): Likewise.
2153 (gen_compile_unit_die): Use new language types for Objective-C and
2154 Objective-C++.
2155 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2156 DW_LANG_C_plus_plus.
2158 PR 26793
2159 * config/t-darwin (crt3.o): Work around bug 26840.
2160 * config/darwin-crt3.c: Rewrite.
2161 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2163 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2165 * doc/invoke.texi: Document -femit-class-debug-always
2166 * common.opt: Add -femit-class-debug-always.
2168 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2170 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2171 index and base register.
2172 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2173 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2174 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2175 REGNO_OK_FOR_INDEX_P.
2176 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2177 ADDR_REGNO_P.
2178 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2179 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2180 REG_OK_FOR_BASE_P): Definitions removed.
2182 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2184 PR middle-end/26611
2185 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2186 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2187 set yet or weren't marked as local yet.
2189 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2191 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2192 the compiler.
2194 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2196 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2197 (rs6000_legitimate_small_data_p): Delete.
2198 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2199 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2200 and make static. Add forward declaration. Update uses.
2201 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2202 of offsettable_memref_p.
2203 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2204 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2206 2006-03-24 Jeff Law <law@redhat.com>
2208 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2209 around bug in immediate-use iterator.
2211 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2213 PR target/26607
2214 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2215 or __LITTLE_ENDIAN__.
2217 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2219 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2220 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2221 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2222 * config/sh/sh.opt (mdiv=): Amend description.
2223 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2224 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2225 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2226 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2227 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2228 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2229 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2230 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2231 TARGET_DIVIDE_CALL_FP.
2233 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2235 * haifa-sched.c (choose_ready): Fix type of the local variable.
2236 Move local variables. Add comment.
2237 (check_reg_live): Change signature. Make callable from debugger.
2238 * sched-int.h (check_reg_live): Update signature.
2239 * sched-ebb.c (check_reg_live): Update parameters.
2240 * sched-rgn.c (check_reg_live): Ditto.
2241 (region_head_or_leaf_p): Check pointer before dereferencing.
2242 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2243 before reload on optimization levels below 1.
2245 2006-03-23 Richard Henderson <rth@redhat.com>
2247 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2248 tls symbols.
2250 PR target/26347
2251 * config/alpha/predicates.md (local_symbolic_operand): Reject
2252 weak symbols.
2254 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2256 PR tree-opt/26795
2257 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2258 expressions which have overflowed constants.
2260 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2262 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2264 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2266 * cfgloopmanip.c (create_loop_notes): Removed.
2267 * final.c (final_scan_insn): Do not handle loop notes.
2268 * jump.c (squeeze_notes): Ditto.
2269 * cfglayout.c (skip_insns_after_block,
2270 duplicate_insn_chain): Ditto.
2271 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2272 create_loop_notes.
2273 * cfgloop.h (create_loop_notes): Declaration removed.
2275 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2277 * varasm.c (output_constant_pool): Restore fnname and fndecl
2278 arguments.
2279 (assemble_start_function): Adjust call accordingly.
2280 (assemble_end_function): Likewise.
2282 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2284 PR mudflap/26789
2285 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2287 PR mudflap/26790
2288 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2290 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2292 PR driver/22600
2293 * system.h (ICE_EXIT_CODE): New macro.
2294 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2295 (diagnostic_action_after_output): Likewise.
2296 * gcc.c (fatal_ice): New function.
2297 (execute): Use it instead of fatal.
2298 (fancy_abort): Likewise.
2299 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2301 2006-03-22 Jeff Law <law@redhat.com>
2303 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2304 iv_analyze_result returning false.
2306 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2308 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2310 2006-03-22 Richard Henderson <rth@redhat.com>
2312 PR middle-end/26084
2313 * except.c (duplicate_eh_regions_0): New.
2314 (duplicate_eh_region_1): Duplicate the children of the node as
2315 well as the node itself. Link them up properly.
2316 (duplicate_eh_region_2): Merge into ...
2317 (duplicate_eh_regions): ... here. Take copy_region argument, and
2318 copy only a sub-tree if asked. Simplify copying and fixup.
2319 (eh_region_outer_p): New.
2320 * except.h (duplicate_eh_regions): Update decl.
2321 (eh_region_outer_p): Declare.
2322 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2323 (lower_omp_master): Likewise.
2324 (lower_omp_ordered): Likewise.
2325 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2326 (move_stmt_r): Use it to remap labels. Handle recursion vs
2327 remap_decls_p properly.
2328 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2329 (find_outermost_region_in_block): New.
2330 (new_label_mapper): New.
2331 (move_sese_region_to_fn): Copy eh information to the new function
2332 properly.
2333 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2334 argument.
2335 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2336 number.
2338 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2340 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2341 into shared libraries.
2343 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2345 * doc/md.texi: Refer to i386/constraints.md instead of
2346 i386/predicates.md.
2347 * config/i386/constraints.md: New file, extracted from...
2348 * config/i386/predicates.md: ...here.
2349 * config/i386/i386.md: Include constraints.md.
2351 2006-03-21 Jason Merrill <jason@redhat.com>
2353 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2355 PR middle-end/20297
2356 * expr.c (init_block_move_fn): Force default visibility.
2357 (init_block_clear_fn): Likewise.
2358 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2359 * targhooks.c (default_external_stack_protect_fail): Likewise.
2361 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2363 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2364 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2365 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2366 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2367 (loadgp): Use mips_current_loadgp_style.
2368 (loadgp_noshared): New pattern.
2369 (sibcall_internal): Use MIPS_CALL.
2370 (sibcall_value_internal): Likewise.
2371 (sibcall_value_multiple_internal): Likewise.
2372 (call_internal): Likewise.
2373 (call_value_internal): Likewise.
2374 (call_value_multiple_internal): Likewise.
2375 (call_split): Use MIPS_CALL and add an 'S' constraint.
2376 (call_value_split): Likewise.
2377 (call_value_multiple_split): Likewise.
2378 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2379 (-mshared): New option.
2380 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2381 (mips_current_loadgp_style): Declare.
2382 * config/mips/mips.c (mips_classify_symbol): Avoid using
2383 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2384 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2385 TARGET_ABSOLUTE_ABICALLS.
2386 (override_options): Adjust comments. Improve the warning that is
2387 issued when -mabicalls and -G are used together.
2388 (mips_file_start): Remove comment.
2389 (mips_current_loadgp_style): New function.
2390 (mips_gnu_local_gp): New variable.
2391 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2392 LOADGP_ABSOLUTE.
2393 (mips_output_function_prologue): Use mips_current_laodgp_style.
2394 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2395 the cprestore instruction.
2396 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2397 live for TARGET_ABSOLUTE_ABICALLS.
2398 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2399 (ASM_SPEC): Pass down -mshared and -mno-shared.
2400 (MIPS_CALL): New macro.
2401 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2402 definition.
2403 * doc/invoke.texi (-mabicalls): Update documentation.
2404 (-mshared): Document.
2406 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2408 * config/ia64/unwind-hpux.c: New file.
2409 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2411 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2413 PR libgomp/26384
2414 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2416 2006-03-21 Jeff Law <law@redhat.com>
2418 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2419 type conversions of a VR_VARYING source to a wider type.
2421 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2423 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2424 tm_file on Solaris 10 and later.
2425 (sparc64-*-solaris2*): Likewise.
2426 (sparc-*-solaris2*): Likewise.
2427 * config/sol26.h: Rename to config/sol2-6.h.
2428 * config/sol2-10.h: New file.
2430 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2432 PR tree-opt/26781
2433 * tree-ssa-pre.c (create_component_ref_by_pieces):
2434 Handle STRING_CST.
2436 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2438 PR c++/26690
2439 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2440 return it immediately.
2442 2006-03-21 Michael Matz <matz@suse.de>
2444 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2445 New members.
2446 (remove_arc, add_arc): Update num_out_arcs member.
2447 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2448 of out arcs.
2449 (cache_presence): New function.
2450 (compare_states_for_equiv): New function.
2451 (state_is_differed): Don't take number of outargs, adjust callers.
2452 Use new invariant for speeding up.
2453 (init_equiv_class): Create initial classes based on sorted
2454 input.
2455 (partition_equiv_class): Don't track out_arcs_num.
2456 (evaluate_equiv_classes): Call cache_presence on all states and
2457 sort them.
2459 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2461 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2462 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2463 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2464 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2465 callers changed.
2466 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2467 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2468 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2469 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2470 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2471 macros.
2472 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2473 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2474 (REGNO_REG_CLASS): ARGP is in PREGS.
2475 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2476 IREGS.
2477 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2478 to deal with those addresses.
2479 * addresses.h: New file.
2480 * caller-save.c: Include "addresses.h".
2481 (init_caller_save): Use new base_reg_class function.
2482 * rtl-factoring.c: Include "addresses.h".
2483 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2484 * recog.c: Include "addresses.h".
2485 (preprocess_constraints): Use new base_reg_class function.
2486 * regrename.c: Include "addresses.h".
2487 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2488 functions. Keep track of a new var INDEX_CODE to compute valid
2489 classes.
2490 (replace_oldest_value_addr): Likewise.
2491 (replace_oldest_value_mem): Use base_reg_class.
2492 * reload.c: Include "addresses.h".
2493 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2494 (find_reloads): Use new base_reg_class function.
2495 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2496 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2497 all callers and prototype changed.
2498 * reload1.c: Include "addresses.h".
2499 (maybe_fix_stack_asms): Use base_reg_class.
2500 * regclass.c: Include "addresses.h".
2501 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2502 (init_reg_autoinc): Use new base_reg_class function.
2503 (record_reg_classes): Likewise.
2504 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2505 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2506 Use new args to compute necessary class.
2508 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2509 regrename.o, rtl-factoring.o): Update dependencies.
2510 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2511 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2512 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2513 REG_OK_FOR_INDEX_P): Delete documentation.
2515 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2517 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2518 from V7 to V9 for Solaris 7 and above.
2520 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2522 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2523 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2524 argument pointers may not alias any other storage.
2525 * common.opt: Define option -fargument-noalias-anything.
2526 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2527 alias semantics is specified by flag_argument_noalias > 2.
2529 2006-03-20 Jeff Law <law@redhat.com>
2531 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2532 (pass_phi_only_cprop): Declare.
2533 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2534 with phi_only_cprop
2535 * tree-ssa-dom.c (degenerate_phi_result): New function.
2536 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2537 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2538 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2539 (eliminate_degenerate_phis): Likewise.
2540 (pass_phi_only_cprop): New pass descriptor.
2541 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2542 support code. Callers updated.
2543 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2544 (store_copy_prop): Likewise.
2545 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2547 2006-03-20 Jason Merrill <jason@redhat.com>
2549 PR c++/21764
2550 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2551 (push_visibility, pop_visibility): Likewise.
2552 * c-pragma.h: Declare them.
2554 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2556 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2558 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2559 parameter and use get_ebb_head_tail.
2560 (sh_md_init_global): Adjust uses of find_regmode_weight.
2562 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2564 * function.h (struct function) <x_tail_recursion_reentry>:
2565 Rename to x_stack_check_probe_note.
2566 (tail_recursion_reentry): Rename to stack_check_probe_note.
2567 * function.c: Replace tail_recursion_reentry with
2568 stack_check_probe_note everywhere.
2569 (expand_function_start): Only emit a note for
2570 stack_check_probe_note with -fstack-protect.
2571 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2573 * emit-rtl.c (remove_unnecessary_notes): Remove.
2574 (pass_remove_unnecessary_notes): Remove.
2575 * rtl.h (remove_unnecessary_notes): Remove prototype.
2576 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2577 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2578 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2580 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2582 PR tree-opt/26629
2583 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2584 (valid_in_set): Handle ARRAY_REF.
2585 Change "if min_variant or VH" to asserts.
2586 (create_component_ref_by_pieces): Handle ARRAY_REF.
2587 (create_expression_by_pieces): Likewise.
2588 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2590 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2592 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2593 is operand of switch, not str[0].
2595 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2597 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2598 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2600 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2602 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2603 end of insn_extra_address_constraint declaration.
2605 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2607 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2608 (no-sum-in-toc): Same.
2609 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2610 variables.
2611 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2612 NO_FP_IN_TOC for -fPIC instead of mask.
2614 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2615 (BOOT_LDFLAGS): Delete.
2616 (LDFLAGS): Delete.
2617 * config/rs6000/t-aix52: Same.
2619 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2620 (stmsi[345678]_power): New.
2622 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2624 * config/ia64/ia64.opt: Add empty line to end of file.
2626 2006-03-17 Richard Guenther <rguenther@suse.de>
2628 PR middle-end/26721
2629 * builtins.c (get_pointer_alignment): For component style references
2630 adjust alignment to the component type alignment. Make sure
2631 to adjust alignment for component access of constants.
2633 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2635 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2636 unconditional jump.
2638 2006-03-17 Paul Brook <paul@codesourcery.com>
2640 * doc/install.texi: Docuemnt --with-mode.
2641 * config.gcc: Add --with-mode for arm*-*-*.
2642 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2644 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2646 * sh.c (max_labelno_before_reorg): New variable.
2647 (sh_reorg): Initialize it.
2648 (find_barrier): Check max_labelno_before_reorg before using
2649 label_to_alignment. Take length of explicit alignment insns
2650 into account. When seeing a UNSPECV_CONST_END, return it.
2652 * sh.c (fixup_mova): Set mode of affected label to QImode.
2653 (untangle_mova): New function.
2654 (find_barrier): Use it. Check mode of label before decrementing
2655 num_mova.
2656 (sh_reorg): Likewise.
2657 Set mode of all insns back to VOIDmode.
2659 * sh.c (MOVA_LABELREF): New macro.
2660 (mova_p, fixup_mova, sh_reorg): Use it.
2661 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2662 ADDR_DIFF_VEC matches mova.
2664 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2666 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2667 with ATTRIBUTE_UNUSED.
2669 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2671 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2672 pointer, instead of assuming it is possible to derive the
2673 correct args size from a call insn.
2675 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2677 * rtl.h (CONST_INT_P): Define.
2678 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2679 instead of GET_CODE(x) == CONST_INT.
2680 (vax_rtx_costs): Likewise.
2681 (vax_output_int_move): Likewise.
2682 (vax_output_int_add): Likewise.
2683 (legitimate_constant_address_p): Likewise.
2684 (index_term_p): Likewise.
2685 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2686 * config/vax/vax.md (and<mode>3): Likewise.
2687 (ashrsi3): Likewise.
2688 (extv): Likewise.
2689 (movstricthi): Likewise.
2690 (movstrictqi): Likewise.
2691 (rotrsi3): Likewise.
2692 (five unnamed insns): Likewise.
2694 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2696 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2697 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2698 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2699 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2700 Pass to ASM_OUTPUT_DWARF_OFFSET.
2701 * dwarf2out.c (debug_frame_section): New.
2702 (output_call_frame_info): Use debug_frame_section. Pass it to
2703 dw2_asm_output_offset.
2704 (output_die): Pass appropriate section to dw2_asm_output_offset.
2705 (output_compilation_unit_header): Likewise.
2706 (output_pubnames): Likewise.
2707 (output_aranges): Likewise.
2708 (enum dw_val_class): Break dw_val_class_lbl_offset into
2709 dw_val_class_lineptr and dw_val_class_macptr.
2710 (add_AT_lbl_offset): Delete.
2711 (add_AT_lineptr): New.
2712 (add_AT_macptr): New.
2713 (AT_lbl): Expect a lineptr or macptr.
2714 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2715 (attr_checksum): Likewise.
2716 (same_dw_val_p): Likewise.
2717 (size_of_die): Likewise.
2718 (value_format): Likewise.
2719 (output_die): Likewise.
2720 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2721 add_AT_lbl_offset.
2722 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2723 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2724 * config/darwin-protos.h (darwin_file_start): New.
2725 (darwin_asm_output_dwarf_offset): New.
2726 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2727 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2728 darwin_file_start.
2729 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2730 if not EH section; simplify.
2731 (darwin_file_start): New.
2732 (darwin_asm_output_dwarf_offset): New.
2733 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2734 mark as 'debug'.
2735 (DEBUG_INFO_SECTION): Likewise.
2736 (DEBUG_ABBREV_SECTION): Likewise.
2737 (DEBUG_ARANGES_SECTION): Likewise.
2738 (DEBUG_MACINFO_SECTION): Likewise.
2739 (DEBUG_LINE_SECTION): Likewise.
2740 (DEBUG_LOC_SECTION): Likewise.
2741 (DEBUG_PUBNAMES_SECTION): Likewise.
2742 (DEBUG_STR_SECTION): Likewise.
2743 (DEBUG_RANGES_SECTION): Likewise.
2744 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2745 (ASM_OUTPUT_DWARF_OFFSET): New.
2747 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2749 * config.gcc (tm_defines): Always add to previous value rather
2750 than replacing it.
2752 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2754 * config/mips/predicates.md (splittable_const_int_operand): New,
2755 split from move_operand.
2756 (splittable_symbolic_operand): New.
2757 (move_operand): Add commentary. Use splittable_const_int_operand.
2758 Inline mips_atomic_symbolic_constant_p.
2759 * config/mips/mips.md: Add combine splitters for handling moves
2760 of splittable_const_int_operands and splittable_symbolic_operands.
2761 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2762 (mips_split_symbol): Declare.
2763 (mips_move_integer): Declare.
2764 * config/mips/mips.c (mips_split_p): Make global.
2765 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2766 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2767 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2768 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2769 (mips_offset_within_object_p): Handle block symbols.
2770 (mips_atomic_symbolic_constant_p): Delete.
2771 (mips_cannot_force_const_mem): Return false for constants that
2772 mips_legitimize_move can handle.
2773 (mips_use_blocks_for_constant_p): New function.
2774 (mips_split_symbol): Make global.
2775 (mips_move_integer): Likewise. Add a temporary register argument.
2776 (mips_legitimize_const_move): Use splittable_const_int_operand and
2777 splittable_symbolic_operand.
2778 (mips_use_anchors_for_symbol_p): New function.
2779 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2780 (mips_split_p): Declare.
2782 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2784 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2785 (mips*-*-linux*): Likewise.
2787 2006-03-16 Roger Sayle <roger@eyesopen.com>
2788 Daniel Speyer <dspeyer@wam.umd.edu>
2790 PR middle-end/18259
2791 * tree-dump.c (dump_real): New function.
2792 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2793 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2794 (tree-dump.o): Add $(REAL_H) to the dependencies.
2796 2006-03-16 Roger Sayle <roger@eyesopen.com>
2798 PR middle-end/21781
2799 * real.c (real_from_string): If the mantissa is zero, don't bother
2800 parsing the exponent as the result should always be zero.
2802 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2804 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2806 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2808 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2809 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2810 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2811 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2812 ia64_sched_finish_global): New static functions to implement
2813 hooks from gcc_target.sched.
2814 (spec_check_no, max_uid, pending_data_specs): New static variables.
2815 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2816 ia64_spec_check_src_p): New static functions.
2817 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2818 (TARGET_SCHED_ADJUST_COST): Removed.
2819 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2820 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2821 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2822 TARGET_SCHED_GEN_CHECK,
2823 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2824 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2825 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2826 Fixed to handle speculation checks.
2827 (rtx_needs_barrier): Fixed to handle speculative loads and
2828 their checks.
2829 (ia64_variable_issue): Added code to count speculative loads and their
2830 checks.
2831 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2832 speculative loads.
2833 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2834 New enumerations.
2835 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2836 New constants.
2837 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2838 (ia64_reorg): Reset stops_p to NULL after it is freed.
2839 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2840 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2841 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2842 chk_a.
2843 (data_speculative, control_speculative, check_load): New attributes.
2844 (mov<mode>_advanced, mov<mode>_speculative,
2845 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2846 zero_extend<mode>di2_speculative,
2847 zero_extend<mode>di2_speculative_advanced): New patterns for
2848 data and control speculative loads.
2849 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2850 check loads.
2851 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2852 New pattern for data and control speculation checks.
2853 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2854 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2855 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2856 Auxiliary definitions for the patterns.
2857 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2858 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2859 constraints.
2860 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2861 for speculation.
2862 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2863 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2864 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2865 New resource constraints.
2866 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2867 for speculation.
2868 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2869 * config/ia64/ia64.opt (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): New flags to tune speculative
2875 scheduling.
2876 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2877 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2878 msched-in-control-spec, msched-ldc, msched-control-ldc,
2879 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2880 msched-prefer-non-control-spec-insns,
2881 msched-count-spec-in-critical-path): Document new flags.
2883 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2885 * target.h (struct spec_info_def): New opaque declaration.
2886 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2887 speculate_insn, needs_block_p, gen_check,
2888 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2889 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2890 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2891 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2892 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2893 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2894 gcc_target.sched.
2895 (TARGET_SCHED): Use new macros.
2896 * rtl.h (copy_DEPS_LIST_list): New prototype.
2897 * sched-int.h (struct sched_info): Change signature of new_ready field,
2898 adjust all initializations. New fields: add_remove_insn,
2899 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2900 region_head_or_leaf_p.
2901 (struct spec_info_def): New structure declaration.
2902 (spec_info_t): New typedef.
2903 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2904 recovery_block, orig_pat.
2905 (glat_start, glat_end): New variables declaraions.
2906 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2907 New access macros.
2908 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2909 DETACH_LIFE_INFO, USE_GLAT.
2910 (enum SPEC_SCHED_FLAGS): New enumeration.
2911 (NOTE_NOTE_BB_P): New macro.
2912 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2913 attach_life_info, debug_spec_status, check_reg_live): New functions.
2914 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2915 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2916 sched-ebb.c
2917 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2918 * ddg.c (get_block_head_tail): Adjust all uses.
2919 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2920 (sms_sched_info): Initialize new fields.
2921 (contributes_to_priority): Removed.
2922 * haifa-sched.c (params.h): New include.
2923 (get_block_head_tail): Adjust all uses.
2924 (ISSUE_POINTS): New macro.
2925 (glat_start, glat_end): New global variables.
2926 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2927 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2928 old_last_basic_block, before_recovery, current_sched_info_var,
2929 rgn_n_insns, luid): New static variables.
2930 (insn_cost1): New function. Move logic from insn_cost to here.
2931 (find_insn_reg_weight1): New function. Move logic from
2932 find_insn_reg_weight to here.
2933 (reemit_notes, move_insn, max_issue): Change signature.
2934 (move_insn1): Removed.
2935 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2936 extend_bb): New static functions to support extension of scheduler's
2937 data structures.
2938 (generate_recovery_code, process_insn_depend_be_in_spec,
2939 begin_speculative_block, add_to_speculative_block,
2940 init_before_recovery, create_recovery_block, create_check_block_twin,
2941 fix_recovery_deps): New static functions to support
2942 generation of recovery code.
2943 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2944 restore_bb_notes, move_block_after_check, move_succs): New static
2945 functions to support ebb scheduling.
2946 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2947 functions to support handling of register live information.
2948 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2949 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2950 add_jump_dependencies): New static functions.
2951 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2952 consistancy checking.
2953 (debug_spec_status): New function to call from debugger.
2954 (priority): Added code to handle speculation checks.
2955 (rank_for_schedule): Added code to distinguish speculative instructions.
2956 (schedule_insn): Added code to handle speculation checks.
2957 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2958 Fixed to handle ebbs.
2959 (move_insn): Added code to handle ebb scheduling.
2960 (max_issue): Added code to use ISSUE_POINTS of instructions.
2961 (choose_ready): Added code to choose between speculative and
2962 non-speculative instructions.
2963 (schedule_block): Added code to handle ebb scheduling and scheduling of
2964 speculative instructions.
2965 (sched_init): Initialize new variables.
2966 (sched_finish): Free new variables. Print statistics.
2967 (try_ready): Added code to handle speculative instructions.
2968 * lists.c (copy_DEPS_LIST_list): New function.
2969 * sched-deps.c (extend_dependency_caches): New function. Move logic
2970 from create_dependency_caches to here.
2971 (get_dep_weak, ds_merge): Make global.
2972 * genattr.c (main): Code to output prototype for
2973 dfa_clear_single_insn_cache.
2974 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2975 (output_dfa_clean_insn_cache_func): Code to output
2976 dfa_clear_single_insn_cache function.
2977 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2978 n_insns.
2979 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2980 Removed.
2981 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2982 New static variables.
2983 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2984 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2985 struct sched_info.
2986 (ebb_sched_info): Initialize new fields.
2987 (get_block_head_tail): Adjust all uses.
2988 (compute_jump_reg_dependencies): Fixed to use glat_start.
2989 (schedule_ebb): Code to remove unreachable last block.
2990 (schedule_ebbs): Added code to update register live information.
2991 * sched-rgn.c (region_sched_info): Initialize new fields.
2992 (get_block_head_tail): Adjust all uses.
2993 (last_was_jump): Removed. Adjust users.
2994 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2995 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2996 Implement new hooks.
2997 (check_dead_notes1): New static function.
2998 (struct region): New fields: dont_calc_deps, has_real_ebb.
2999 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3000 (BB_TO_BLOCK): Fixed to handle EBBs.
3001 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3002 (ebb_head): New static variable.
3003 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3004 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3005 new fields.
3006 (compute_dom_prob_ps): New assertion.
3007 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3008 global_live_at_start.
3009 (init_ready_list): New assertions.
3010 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3011 (new_ready): Add support for BEGIN_CONTROL speculation.
3012 (schedule_insns): Fixed code that updates register live information
3013 to handle EBBs.
3014 (schedule_region): Fixed to handle EBBs.
3015 (init_regions): Use extend_regions and check_dead_notes1.
3016 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3017 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3018 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3019 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3020 TARGET_SCHED_GEN_CHECK,
3021 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3022 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3023 * doc/invoke.texi (max-sched-insn-conflict-delay,
3024 sched-spec-prob-cutoff): Document.
3026 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3028 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3029 inter_tick, queue_index.
3030 (struct sched_info): Change signature of init_ready_list field.
3031 Adjust all initializations.
3032 (RESOLVED_DEPS): New access macro.
3033 (ready_add): Remove prototype.
3034 (try_ready): Add prototype.
3035 * sched-rgn.c (init_ready_list): Use try_ready.
3036 (schedule_region): Initialize
3037 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3038 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3039 (init_ready_list): Use try_ready.
3040 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3041 * lists.c (remove_list_elem): Remove `static'.
3042 (remove_free_INSN_LIST_elem): New function.
3043 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3044 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3045 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3046 New constants.
3047 (readyp): New variable.
3048 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3049 change_queue_index, resolve_dep): New static functions.
3050 (try_ready): New function. Adjust callers in sched-rgn.c and
3051 sched-ebb.c to use it instead of ready_add.
3052 (clock_var): Move at the begining of file.
3053 (rank_for_schedule): Fix typo.
3054 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3055 (ready_lastpos): Enforce assertion.
3056 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3057 update all callers.
3058 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3059 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3060 (queue_to_ready): Use free_INSN_LIST_list.
3061 (early_queue_to_ready): Fix typo.
3062 (schedule_block): Init readyp. Move init_ready_list call after the
3063 initialization of clock_var. Fix error in rejecting insn by
3064 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3065 that previously corrected INSN_TICKs. Add code for handling
3066 QUEUE_INDEX.
3067 (set_priorities): Fix typo.
3068 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3069 Clarify comment and code that keeps current_sched_info->next_tail
3070 non-null.
3072 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3074 * sched-rgn.c (extend_rgns): New static function.
3075 (find_rgns): Use it.
3076 (gather_region_statistics, print_region_statistics): New static
3077 functions.
3078 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3079 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3081 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3082 Andrey Belevantsev <abel@ispras.ru>
3084 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3085 * lists.c (unused_deps_list): New variable.
3086 (free_list): Add assertions to verify the proper distinguishing
3087 between INSN_LISTs and DEPS_LISTs.
3088 (find_list_elem, remove_list_elem, remove_list_node): New static
3089 functions.
3090 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3091 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3092 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3093 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3094 an INSN_LIST.
3095 (free_INSN_LIST_node): Likewise.
3096 * modulo-sched.c (current_sched_info): Initialize flags field.
3097 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3098 * rtl.def (DEPS_LIST): Define.
3099 * rtl.h: Declare new functions from lists.c.
3100 * sched-deps.c (spec_dependency_cache): New static variable.
3101 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3102 (add_dependence): Change return type to void. Move the logic to ...
3103 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3104 (delete_all_dependences): Add comment about forward_dependency_cache.
3105 Handle spec_dependency_cache. Handle DEPS_LISTs.
3106 (fixup_sched_groups): Clarify the change of priority of output
3107 and anti dependencies.
3108 (sched_analyze_2): Adjust add_dependence calls to create data
3109 speculative dependence.
3110 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3111 Adjust all callers. Handle DEPS_LISTS.
3112 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3113 presence of speculation.
3114 (init_dependency_caches, free_dependency_caches):
3115 Handle spec_dependency_cache.
3116 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3117 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3118 New static functions.
3119 (add_or_update_back_dep, add_or_update_back_forw_dep,
3120 add_back_forw_dep, delete_back_forw_dep): New functions.
3121 * sched-int.h (ds_t, dw_t): New typedefs.
3122 (struct sched_info): Add new field flags.
3123 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3124 Prototype new sched-deps.c functions.
3125 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3126 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3127 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3128 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3129 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3130 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3131 New constants.
3132 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3133 New enums.
3134 * sched-rgn.c (current_sched_info): Initialize flags field.
3135 (schedule_insns): Initialize current_sched_info before the sched_init
3136 call.
3137 * sched-ebb.c (current_sched_info): Initialize flags field.
3138 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3139 Call add_or_update_back_dep instead of add_dependence.
3140 Create control speculative dependencies.
3141 (schedule_insns): Initialize current_sched_info before the sched_init
3142 call.
3144 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3146 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3147 fs->signal_frame.
3148 (sh_fallback_frame_state): Likewise.
3150 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3152 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3153 Do switch on default_use_cxa_atexit.
3154 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3155 * config/darwin-crt3.o: New.
3156 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3157 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3158 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3159 OS version.
3160 * config/rs6000/t-darwin: Move crt2.o building to here.
3161 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3162 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3163 of __cxa_atexit.
3165 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3167 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3168 from '! xxx' to '!xxx' for coding-style conformance.
3169 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3170 (EXTRA_CONSTRAINT): Likewise.
3171 * config/vax/vax.md (four unnamed insns): Likewise.
3173 2006-03-15 Paul Brook <paul@codesourcery.com>
3175 * config/arm/arm.c (minipool_pad): New.
3176 (add_minipool_forward_ref): Include pool alignment padding in address
3177 calculation.
3178 (push_minipool_fix): Set minipool_pad.
3179 (minipool_pad): Ditto.
3181 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3183 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3184 instead of GET_CODE() == MEM and REG_P() instead of
3185 GET_CODE() == REG.
3186 (print_operand_address): Likewise.
3187 (vax_address_cost): Likewise.
3188 (vax_rtx_costs): Likewise.
3189 (vax_notice_update_cc): Likewise.
3190 (vax_output_int_add): Likewise.
3191 (INDEX_REGISTER_P): Likewise.
3192 (BASE_REGISTER_P): Likewise.
3193 (nonindexed_address_p): Likewise.
3194 (vax_mode_dependent_address_p): Likewise.
3195 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3196 (PRINT_OPERAND): Likewise.
3197 * config/vax/vax.md (ashlsi3): Likewise.
3198 (ashlsi3): Likewise.
3199 (some more unnamed insns): Likewise.
3201 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3203 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3204 iterator-style macro.
3205 (mark_control_dependent_edges_necessary): Update the use of
3206 EXECUTE_IF_CONTROL_DEPENDENT.
3208 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3210 * config/sh/predicates.md (cache_address_operand): Special.
3211 (ua_address_operand): Likewise.
3213 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3215 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3216 loop notes.
3217 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3219 2006-03-15 Andreas Schwab <schwab@suse.de>
3221 * gensupport.c (identify_predicable_attribute): Don't free p_false
3222 when it is still in use.
3224 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3226 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3227 the default setting here.
3229 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3231 * tree-pass.h (pass_cfg): Remove.
3232 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3233 * passes.c (pass_cfg): Don't run it.
3235 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3237 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3238 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3239 VEC(char,heap) *.
3240 (stack_regs_mentioned): Update the uses of
3241 stack_regs_mentioned_data. Don't access the array beyond its
3242 end.
3243 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3244 Don't include gt-reg-stack.h.
3246 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3247 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3249 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3251 PR middle-end/26684
3252 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3253 STACK_REGS.
3255 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3257 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3259 2006-03-14 Richard Guenther <rguenther@suse.de>
3261 PR tree-optimization/26672
3262 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3263 SSA form.
3265 2006-03-14 Richard Guenther <rguenther@suse.de>
3267 PR tree-optimization/26667
3268 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3269 node for the callees. Always allow inlining if it will shrink
3270 the function size.
3272 2006-03-14 Richard Guenther <rguenther@suse.de>
3274 PR middle-end/26659
3275 * builtins.c (get_pointer_alignment): Prefer alignment
3276 information from decls over that from types.
3278 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3280 PR target/26657
3281 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3283 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3285 * config/rs6000/rs6000.opt (mdlmzb): New option.
3286 (msched-prolog, msched-epilog): Use Var not Mask.
3287 * doc/invoke.texi (-mdlmzb): Document.
3288 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3289 MASK_SCHED_PROLOG.
3290 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3291 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3293 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3295 PR rtl-optimization/25739
3296 * bt-load.c (augment_live_range): Free tos pointer.
3298 * gensupport.c (identify_predicable_attribute): Free
3299 p_false pointer.
3300 * gcov.c (create_file_names): Free name pointer.
3302 2006-03-13 Roger Sayle <roger@eyesopen.com>
3304 PR middle-end/26557
3305 * stmt.c (emit_case_nodes): Handle the case where the index is a
3306 CONST_INT, where the comparison mode is specified by the index type.
3308 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3310 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3311 is defined.
3313 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3315 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3316 (*branch_fp_inverted): Likewise.
3318 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3320 PR middle-end/25989
3321 * omp-low.c (expand_omp_for_generic): Mark istart0
3322 and iend0 as addressable.
3324 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3326 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3328 2006-03-13 Jeff Law <law@redhat.com>
3330 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3331 virtual operands are interesting.
3332 (vrp_visit_stmt): Corresponding changes.
3334 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3336 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3337 of RETS.
3338 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3339 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3340 * config/bfin/crti.S: Use it instead of __PIC__.
3341 * config/bfin/crtn.S: Likewise.
3343 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3344 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3345 not if flag_pic.
3346 Lose 'G' modifier for call operand.
3347 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3348 recognize 'G' modifier.
3350 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3352 PR middle-end/18859
3353 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3354 * stmt.c (expand_case): Likewise.
3356 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3358 PR rtl-optimization/26254
3359 * loop-invariant.c (seq_insns_valid_p): New function.
3360 (move_invariant_reg): Only emit new code if it is valid.
3362 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3364 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3365 Removed.
3366 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3367 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3368 (commit_one_edge_insertion): Do not look for loop notes.
3370 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3372 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3373 flag_test_coverage out of loop.
3375 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3377 * final.c (shorten_branches): Remove outdated comment, and turn
3378 the if branch that guards it to continue.
3380 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3382 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3383 * cfgloop.h (struct loop): Remove unused fields.
3385 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3387 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3388 (-dL, -fdump-rtl-loop2): Update the dump file names
3390 * doc/invoke.texi: Update dump file names.
3392 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3394 * predict.c (estimate_probability): Remove.
3395 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3396 * basic-block.h (estimate_probability): Remove prototype.
3397 * passes.c (finish_optimization_passes): Dump branch prediction or
3398 profiling heuristics to the .profile tree dump.
3399 (init_optimization_passes): Unqueue pass_branch_prob.
3401 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3403 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3405 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3406 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3408 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3410 * function.h (frame_offset_overflow): Declare.
3411 * function.c (frame_offset_overflow): New function.
3412 (assign_stack_local_1): Call it to detect that the offset overflows.
3413 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3415 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3417 * config/sh/sh.c: Include alloc-pool.h.
3418 (label_ref_list_pool): New alloc pool.
3419 (label_ref_list_t): New type for lists of labels.
3420 (struct pool_node): Make wend a label_ref_list_t.
3421 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3422 references.
3423 (dump_table): Likewise.
3424 (sh_reorg): Set up the alloc pool before using add_constant and
3425 dump_table, and destroy it when finishing.
3427 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3429 * config/mips/mips.c: Remove redundant comment.
3431 2006-03-10 Jason Merrill <jason@redhat.com>
3433 PR c/26004
3434 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3435 the target was declared 'register'.
3437 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3439 * genpreds.c (write_insn_constraint_len): Change definition of
3440 insn_constraint_len to return size_t to match the declaration.
3442 2006-03-10 DJ Delorie <dj@redhat.com>
3444 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3445 start at zero.
3446 (m32c_expand_insv): Fix test for an AND mask.
3448 2006-03-10 Richard Guenther <rguenther@suse.de>
3450 PR middle-end/26565
3451 * builtins.c (get_pointer_alignment): Handle component
3452 references for field alignment.
3454 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3456 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3457 when building with libgloss.
3458 (sh*elf): Implement --without-fp option.
3459 (sh64-superh-linux*): Don't multilib.
3461 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3463 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3465 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3467 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3468 Set it when one of the replacement functions returned true.
3469 Return TODO_cleanup_cfg if cfgchanged is true.
3470 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3472 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3474 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3475 instead of gen_lowpart.
3477 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3479 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3480 interface.
3481 (mips_output_order_conditional_branch): Declare.
3482 * config/mips/mips.h (MIPS_BRANCH): New macro.
3483 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3484 for the comparison. Use gen_condjump.
3485 (mips_output_conditional_branch): Rework interface to take the
3486 asm templates for a direct branch and the inverse of a direct branch.
3487 (mips_output_order_conditional_branch): New function.
3488 (mips_builtin_branch_and_move): New function.
3489 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3490 branch condition. Use gen_single_cc as the condition for
3491 __builtin_mips_upper_* or __builtin_mips_lower_*.
3492 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3493 Use VOIDmode for the branch condition.
3494 * config/mips/predicates.md (order_operator): New predicate.
3495 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3496 (branch_fp): Rename to...
3497 (*branch_fp): ...this. Remove mode from comparison operator.
3498 Use new mips_output_conditional_branch interface.
3499 (branch_fp_inverted): Rename to...
3500 (*branch_fp_inverted): ...this and update as for *branch_fp.
3501 (*branch_zero<mode>): Rename to...
3502 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3503 Use mips_output_order_conditional_branch. Only accept ordered
3504 comparisons.
3505 (*branch_zero<mode>_inverted): Rename to...
3506 (*branch_order<mode>_inverted): ...this and update as for
3507 *branch_order<mode>.
3508 (*branch_equality<mode>): Accept zero as the second operand to
3509 the equality operator. Use the new mips_output_conditional_branch
3510 interface.
3511 (*branch_equality<mode>_inverted): Likewise.
3512 (condjump): New expander.
3513 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3514 operator.
3515 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3516 (bc1any2t, bc1any2f): Likewise.
3517 (single_cc): New expander.
3518 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3520 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3522 * doc/md.texi: Update documentation of MIPS constraints.
3523 * config/mips/constraints.md: New file.
3524 * config/mips/mips.md: Include it.
3525 * config/mips/mips.c (mips_char_to_class): Delete.
3526 (override_options): Don't initialize mips_char_to_class.
3527 * config/mips/mips.h (mips_char_to_class): Delete.
3528 (REG_CLASS_FROM_LETTER): Delete.
3529 (CONST_OK_FOR_LETTER_P): Delete.
3530 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3531 (EXTRA_CONSTRAINT_Y): Delete.
3532 (EXTRA_CONSTRAINT_STR): Delete.
3533 (CONSTRAINT_LEN): Delete.
3534 (EXTRA_MEMORY_CONSTRAINT): Delete.
3536 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3538 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3539 original fn's eh regions.
3541 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3543 * fold-const.c (build_range_check): Make sure to use a valid type to
3544 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3545 transformation.
3547 (range_predecessor): New static function.
3548 (range_successor): Likewise.
3549 (merge_ranges): Use them to compute predecessors and successors of
3550 range bounds.
3552 2006-03-09 Roger Sayle <roger@eyesopen.com>
3554 PR middle-end/26561
3555 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3556 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3558 2006-03-08 DJ Delorie <dj@redhat.com>
3560 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3561 (addpsi3): Expand to include memory operands. Remove
3562 reload-specific splits.
3563 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3564 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3565 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3566 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3567 (shift1_qi, shift1_hi, insv): New.
3568 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3569 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3570 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3571 cond_to_int): New.
3572 * config/m32c/m32c-protos.h: Update as needed.
3573 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3574 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3575 Fail for unrecognized R* constraints.
3576 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3577 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3578 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3579 Add Sp constraint.
3580 (m32c_init_libfuncs): New.
3581 (m32c_legitimate_address_p): Add debug wrapper.
3582 (m32c_rtx_costs): New.
3583 (m32c_address_cost): New.
3584 (conversions): Add 'B' prefix.
3585 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3586 operands, or word regnames for QI operands. 'B' prints bit
3587 position.
3588 (m32c_expand_setmemhi): New.
3589 (m32c_expand_movmemhi): New.
3590 (m32c_expand_movstr): New.
3591 (m32c_expand_cmpstr): New.
3592 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3593 (m32c_expand_neg_mulpsi3): Handle non-ints.
3594 (m32c_cmp_flg_0): New.
3595 (m32c_expand_movcc): New.
3596 (m32c_expand_insv): New.
3597 (m32c_scc_pattern): New.
3598 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3599 a0/a1 out of SIregs.
3600 (STORE_FLAG_VALUE): New.
3601 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3602 code macros.
3603 (no_insn): New.
3604 * config/m32c/mov.md: Make constraints more liberal.
3605 (zero_extendqihi2): Optimize r0/r1 case.
3606 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3607 * config/m32c/predicates.md (m32c_any_operand): New.
3608 (m32c_nonimmediate_operand): New.
3609 (m32c_hl_operand): New.
3610 (m32c_r3_operand): New.
3611 (ap_operand): New.
3612 (ma_operand): New.
3613 (memsym_operand): New.
3614 (memimmed_operand): New.
3615 (a_qi_operand): New.
3616 (m32c_eqne_operator): New.
3617 (m32c_1bit8_operand): New.
3618 (m32c_1bit16_operand): New.
3619 (m32c_1mask8_operand): New.
3620 (m32c_1mask16_operand): New.
3621 * config/m32c/blkmov.md: New file.
3622 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3624 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3626 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3627 unsigned to fix signed/unsigned comparison issue in
3628 DWARF2_FRAME_REG_OUT.
3629 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3630 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3632 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3633 of ptr into the ENABLE_CHECKING section.
3635 2006-03-08 Jeff Law <law@redhat.com>
3637 * tree-vrp.c (infer_value_range): Only count pointer uses
3638 and dereferences if -fdelete-null-pointer-checks is enabled.
3640 * tree-vrp.c (find_assert_locations): Infer value ranges for
3641 single use pointers, but do not create ASSERT_EXPRs for them.
3642 When a non-null range is inferred for a pointer, backwards
3643 propagate that range to other equivalent pointers through the
3644 use-def chain.
3646 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3648 PR bootstrap/26500
3649 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3650 language hook targets.
3651 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3652 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3653 if language hook targets were missing.
3655 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3657 * tree-ssa-opfinalize.h: Removed.
3658 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3659 dependency.
3660 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3661 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3662 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3663 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3664 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3665 finalize_ssa_v_must_def_ops): New.
3667 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3669 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3670 block as parameter.
3672 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3674 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3676 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3677 addresses with offsets; reorganize.
3679 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3680 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3681 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3683 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3685 PR target/26588
3686 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3688 2006-03-08 Ben Elliston <bje@au.ibm.com>
3690 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3692 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3694 PR gomp/26238
3695 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3696 expansion.
3698 2006-03-07 Richard Guenther <rguenther@suse.de>
3700 PR tree-optimization/26587
3701 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3703 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3705 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3707 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3709 * hooks.c (hook_bool_mode_rtx_true): New function.
3710 * hooks.h (hook_bool_mode_rtx_true): Declare.
3711 * toplev.c (compile_file): Call output_shared_constant_pool.
3712 * varasm.c (shared_constant_pool): New variable.
3713 (assemble_start_function, assemble_end_function): Remove arguments
3714 from call to output_constant_pool.
3715 (create_constant_pool): New function, split out from...
3716 (init_varasm_status): ...here.
3717 (force_const_mem): Choose between the shared and per-function constant
3718 pools. Set current_function_uses_const_pool when reusing old entries
3719 as well as when creating new ones.
3720 (mark_constant): Ignore data argument.
3721 (mark_constants): Remove pool argument.
3722 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3723 to decide whether the function uses a constant pool.
3724 (output_constant_pool_contents): New function, split out from...
3725 (output_constant_pool): ...here.
3726 (output_shared_constant_pool): New function.
3727 (init_varasm_once): Initialize shared_constant_pool.
3728 * output.h (output_constant_pool): Delete.
3729 (output_shared_constant_pool): Declare.
3730 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3731 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3733 2006-03-06 Nick Clifton <nickc@redhat.com>
3735 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3736 flag_strength_reduce.
3738 2006-03-06 Ben Elliston <bje@au.ibm.com>
3740 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3741 x86_64-*-linux* configurations.
3743 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3744 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3746 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3748 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3749 Remove.
3750 * basic-block.h: Remove the extern for
3751 rediscover_loops_after_threading.
3753 * cfgloop.c (cancel_loop): Make it static.
3754 * cfgloop.h: Remove the prototype for cancel_loop.
3756 * flow.c (recompute_reg_usage): Make it static.
3757 * rtl.h: Remove the prototype for recompute_reg_usage.
3759 * function.c (use_return_register): Make it static.
3760 * function.h: Remove the prototype.
3762 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3764 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3765 Remove.
3766 * recog.h: Remove the prototype for
3767 validate_change_maybe_volatile.
3769 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3771 * rtlanal.c (replace_reg): Remove.
3772 * rtl.h: Remove the prototype for replace_reg.
3774 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3776 * regclass.c (reg_scan_update): Remove.
3777 (reg_scan_mark_refs): Remove the last argument.
3778 * rtl.h: Remove the prototype for reg_scan_update.
3780 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3782 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3783 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3784 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3785 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3786 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3787 loop-invariant.c, omp-low.c, opts.c, passes.c,
3788 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3789 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3790 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3791 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3792 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3793 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3795 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3797 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3798 * dwarf2out.h: Remove the prototype for
3799 dwarf2out_add_library_unit_info.
3801 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3803 * tree.c (add_var_to_bind_expr): Remove.
3804 * tree.h: Remove the prototype for add_var_to_bind_expr.
3806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3808 * regclass.c (n_non_fixed_regs): Remove.
3809 (init_reg_sets_1, globalize_reg): Remove all uses of
3810 n_non_fixed_regs.
3811 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3813 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3815 * rtlanal.c (insns_safe_to_move_p): Remove.
3816 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3818 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3820 * expmed.c (expand_mult_add): Remove.
3821 * expr.h: Remove the prototype for expand_mult_add.
3823 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3825 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3826 and REG_SAVED_VAL_EXP constants.
3827 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3828 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3829 Handle regs stored by value.
3830 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3831 (execute_cfa_program): Handle DW_CFA_val_offset,
3832 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3833 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3834 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3835 (uw_install_context_1): Handle target regs stored by value.
3837 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3839 * tree-sra.c (tree_sra): Return todoflags;
3840 (generate_one_element): Set TODO_update_smt_usage if needed.
3841 (pass_sra): Remove TODO_update_smt_usage.
3842 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3843 parameter.
3844 (tree_ssa_forward_propagate_single_use_vars): Return
3845 TODO_update_smt_usage if we need to update SMT usage.
3846 (pass_forwprop): Remove TODO_update_smt_usage.
3848 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3850 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3851 (correct_use_link): Remove reference to get_stmt_operands.
3852 (update_stmt_operands): Likewise.
3853 (get_modify_expr_operands): New function factored out of
3854 parse_ssa_operands and get_expr_operands.
3855 Try to create V_MUST_DEFs for LHS by default.
3856 (get_expr_operands) <case MODIFY_EXPR>: Call
3857 get_modify_expr_operands.
3858 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3859 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3860 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3861 get_modify_expr_operands.
3863 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3865 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3866 * tree-flow.h: Remove the prototype for
3867 referenced_var_lookup_if_exists.
3869 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3871 PR rtl-optimization/26345
3872 PR target/19061
3873 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3875 2006-03-03 Roger Sayle <roger@eyesopen.com>
3877 PR tree-optimization/26524
3878 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3879 fold_convert to create a constant of the appropriate type.
3881 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3883 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3884 SYMBOL_REF_IN_BLOCK_P.
3885 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3886 of SYMBOL_FLAG_IN_BLOCK.
3887 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3888 instead of SYMBOL_REF_IN_BLOCK_P.
3889 * explow.c (use_anchored_address): Likewise.
3890 * rtl.c (rtx_size): Likewise.
3891 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3892 instead of SYMBOL_FLAG_IN_BLOCK.
3893 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3894 SYMBOL_REF_IN_BLOCK_P.
3895 (assemble_variable): Likewise.
3896 (output_constant_def_contents): Likewise.
3897 (output_constant_pool): Likewise.
3898 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3899 instead of SYMBOL_FLAG_IN_BLOCK.
3900 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3901 SYMBOL_REF_IN_BLOCK_P.
3902 (SYMBOL_REF_BLOCK): Likewise.
3903 (SYMBOL_REF_OFFSET): Likewise.
3904 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3905 SYMBOL_REF_IN_BLOCK_P.
3906 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3907 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3908 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3909 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3911 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3913 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3915 2006-03-02 Roger Sayle <roger@eyesopen.com>
3917 * simplify-rtx.c (simplify_unary_operation): When simplifying
3918 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3919 that we perform the right shift in the appropriate mode, and
3920 then extend or truncate the result to requested mode.
3922 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3924 * gengtype.c (main): Handle double_int type.
3925 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3926 * double-int.c: New file.
3927 * double-int.h: New file.
3928 * system.h: Include doubleint.h.
3929 * Makefile.in (SYSTEM_H): Include double-int.h.
3930 (double-int.o): Add.
3932 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3934 PR bootstrap/26478
3935 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3936 copying over it.
3938 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3940 * tree-vrp.c (remove_range_assertions): Do not update statements
3941 unnecessarily.
3943 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3945 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3946 cleanup.
3947 * gcse.c (rest_of_handle_gcse): Ditto.
3948 * except.c (gate_handle_eh): Ditto.
3949 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3950 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3952 2006-03-02 Eric Christopher <echristo@apple.com>
3954 * config/i386/i386.c (machopic_output_stub): Add indirection to
3955 jump.
3957 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3959 * loop.c: Removed.
3961 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3963 Sun Niagara specific optimizations.
3964 * config.gcc: Recognize niagara as target.
3965 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3966 (TARGET_CPU_niagara): Define.
3967 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3968 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3969 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3970 (ASM_CPU_SPEC): Likewise.
3971 (PROCESSOR_NIAGARA): New enum entry.
3972 (REGISTER_MOVE_COST): Handle Niagara.
3973 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3974 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3975 (sparc_override_options): Recognize "niagara", set appropriate
3976 default MASK_* values for it, and align functions to 32-bytes
3977 by default just like ULTRASPARC/ULTRASPARC3.
3978 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3979 (sparc64_initialize_trampoline): Likewise.
3980 (sparc_use_sched_lookahead): Use zero for niagara.
3981 (sparc_issue_rate): Use one for niagara.
3982 * config/sparc/niagara.md: New file.
3983 * config/sparc/sparc.md: Include it.
3984 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3985 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3986 when default cpu is niagara.
3987 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3988 (ASM_CPU_SPEC): Likewise.
3989 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3990 when default cpu is niagara.
3991 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3992 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3993 just like v9/ultrasparc/ultrasparc3.
3994 * doc/invoke.texi: Add documentation for "niagara" and improve
3995 existing documentation for ultrasparc variants.
3997 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3999 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4001 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4003 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4004 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4005 and say that only one is needed.
4006 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4007 * target.h (have_switchable_bss_sections): New hook.
4008 * explow.c (use_anchored_address): Check that the symbol is in a block.
4009 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4010 (bss_noswitch_section): New variables.
4011 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4012 (get_noswitch_section): New function.
4013 (get_block_for_section): Allow SECT to be null.
4014 (unlikely_text_section_p): Use SECTION_STYLE.
4015 (bss_initializer_p): New function.
4016 (get_variable_section): Move earlier in file. Take a new argument,
4017 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4018 Return one of the new *_sections in such cases.
4019 (get_block_for_decl): New function, extracting some logic from
4020 use_blocks_for_decl_p.
4021 (change_symbol_section): Remove in favor of...
4022 (change_symbol_block): ...this new function.
4023 (use_blocks_for_decl_p): Remove checks now performed by
4024 get_block_for_decl.
4025 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4026 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4027 (emit_local, emit_bss, emit_common): ...these new functions.
4028 Return true if the alignment was honored.
4029 (emit_tls_common): New function.
4030 (asm_emit_uninitialised): Delete.
4031 (assemble_variable_noswitch): New function, split out from...
4032 (assemble_variable): ...here. Don't make decisions about common
4033 variables here. Globalize all public decls that go into non-common
4034 sections. Check whether SYMBOL_REF_BLOCK is null.
4035 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4036 (output_constant_pool): Likewise.
4037 (init_varasm_once): Initialize the new section variables.
4038 (have_global_bss_p): New function.
4039 (categorize_decl_for_section): Use bss_initializer_p.
4040 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4041 (place_block_symbol): Assert that the symbol must be in a block.
4042 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4043 (TARGET_INITIALIZER): Include it.
4044 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4045 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4046 (SECTION_MACH_DEP): Bump by two.
4047 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4048 (unnamed_section): Mention SECTION_UNNAMED in comment.
4049 (named_section): Likewise SECTION_NAMED.
4050 (noswitch_section_callback): New type.
4051 (noswitch_section): New structure.
4052 (section): Add a noswitch_section alternative.
4053 (SECTION_STYLE): New macro.
4054 (tls_comm_section, comm_section, lcomm_section): Declare.
4055 (bss_noswitch_section, have_global_bss_p): Declare.
4056 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4057 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4058 Override.
4059 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4060 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4061 Override.
4063 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4065 * gcc/tree-vrp.c (execute_vrp): Return value.
4066 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4067 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4068 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4069 (tree_lower_complex_O0): Ditto.
4070 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4071 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4072 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4073 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4074 (execute_tail_calls): Ditto.
4075 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4076 * gcc/tree.h (init_function_for_compilation): Ditto.
4077 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4078 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4079 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4080 * gcc/final.c (compute_alignments): Ditto.
4081 (rest_of_handle_final): Ditto.
4082 (rest_of_handle_shorten_branches): Ditto.
4083 (rest_of_clean_state): Ditto.
4084 * gcc/omp-low.c (execute_expand_omp): Ditto.
4085 (execute_lower_omp): Ditto.
4086 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4087 * gcc/ipa-reference.c (static_execute): Ditto.
4088 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4089 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4090 (rest_of_handle_machine_reorg): Ditto.
4091 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4092 * gcc/flow.c (recompute_reg_usage): Ditto.
4093 (rest_of_handle_remove_death_notes): Ditto.
4094 (rest_of_handle_life): Ditto.
4095 (rest_of_handle_flow2): Ditto.
4096 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4097 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4098 (do_ssa_store_ccp): Ditto.
4099 (execute_fold_all_builtins): Ditto.
4100 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4101 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4102 * gcc/ipa-pure-const.c (static_execute): Ditto.
4103 * gcc/cse.c (rest_of_handle_cse): Ditto.
4104 (rest_of_handle_cse2): Ditto.
4105 * gcc/web.c (rest_of_handle_web): Ditto.
4106 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4107 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4108 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4109 * gcc/tree-nrv.c (tree_nrv): Ditto.
4110 (execute_return_slot_opt): Ditto.
4111 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4112 (create_structure_vars): Ditto.
4113 * gcc/loop-init.c (rtl_loop_init): Ditto.
4114 (rtl_loop_done): Ditto.
4115 (rtl_move_loop_invariants): Ditto.
4116 (rtl_unswitch): Ditto.
4117 (rtl_unroll_and_peel_loops): Ditto.
4118 (rtl_doloop): Ditto.
4119 * gcc/gimple-low.c (lower_function_body): Ditto.
4120 (mark_used_blocks): Ditto.
4121 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4122 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4123 (cgraph_early_inlining): Ditto.
4124 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4125 * gcc/jump.c (cleanup_barriers): Ditto.
4126 (purge_line_number_notes): Ditto.
4127 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4128 (rest_of_handle_if_after_reload): Ditto.
4129 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4130 (tree_ssa_loop_im): Ditto.
4131 (tree_ssa_loop_unswitch): Ditto.
4132 (tree_vectorize): Ditto.
4133 (tree_linear_transform): Ditto.
4134 (tree_ssa_loop_ivcanon): Ditto.
4135 (tree_ssa_empty_loop): Ditto.
4136 (tree_ssa_loop_bounds): Ditto.
4137 (tree_complete_unroll): Ditto.
4138 (tree_ssa_loop_prefetch): Ditto.
4139 (tree_ssa_loop_ivopts): Ditto.
4140 (tree_ssa_loop_done): Ditto.
4141 * gcc/predict.c (tree_estimate_probability): Ditto.
4142 * gcc/recog.c (split_all_insns_noflow): Ditto.
4143 (rest_of_handle_peephole2): Ditto.
4144 (rest_of_handle_split_all_insns): Ditto.
4145 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4146 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4147 (rest_of_handle_stack_adjustments): Ditto.
4148 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4149 * gcc/function.c (instantiate_virtual_regs): Ditto.
4150 (init_function_for_compilation): Ditto.
4151 (rest_of_handle_check_leaf_regs): Ditto.
4152 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4153 (rest_of_handle_gcse): Ditto.
4154 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4155 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4156 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4157 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4158 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4159 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4160 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4161 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4162 * gcc/except.c (set_nothrow_function_flags): Ditto.
4163 (convert_to_eh_region_ranges): Ditto.
4164 (rest_of_handle_eh): Ditto.
4165 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4166 (remove_unnecessary_notes): Ditto.
4167 * gcc/except.h (set_nothrow_function_flags): Ditto.
4168 (convert_to_eh_region_ranges): Ditto.
4169 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4170 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4171 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4172 (execute_fre): Ditto.
4173 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4174 (rest_of_handle_jump2): Ditto.
4175 * gcc/tree-sra.c (tree_sra): Ditto.
4176 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4177 (execute_mudflap_function_decls): Ditto.
4178 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4179 (do_store_copy_prop): Ditto.
4180 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4181 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4182 * gcc/tree-ssa-forwprop.c
4183 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4184 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4185 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4186 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4187 (execute_late_warn_uninitialized): Ditto.
4188 * gcc/rtl.h (cleanup_barriers): Ditto.
4189 (split_all_insns_noflow): Ditto.
4190 (purge_line_number_notes): Ditto.
4191 (unshare_all_rtl): Ditto.
4192 (remove_unnecessary_notes): Ditto.
4193 (recompute_reg_usage): Ditto.
4194 (variable_tracking_main): Ditto.
4195 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4196 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4197 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4198 (execute_free_cfg_annotations): Ditto.
4199 (execute_fixup_cfg): Ditto.
4200 (execute_cleanup_cfg_pre_ipa): Ditto.
4201 (execute_cleanup_cfg_post_optimizing): Ditto.
4202 (execute_init_datastructures): Ditto.
4203 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4204 * gcc/combine.c (rest_of_handle_combine): Ditto.
4205 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4206 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4207 (rest_of_handle_reorder_blocks): Ditto.
4208 (rest_of_handle_partition_blocks): Ditto.
4209 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4210 * gcc/tree-profile.c (tree_profiling): Ditto.
4211 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4212 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4213 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4214 (rest_of_handle_sched2): Ditto.
4215 * gcc/basic-block.h (free_bb_insn): Ditto.
4216 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4217 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4218 (remove_useless_stmts): Ditto.
4219 (split_critical_edges): Ditto.
4220 (execute_warn_function_return): Ditto.
4221 (execute_warn_function_noreturn): Ditto.
4222 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4223 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4224 * gcc/passes.c (execute_one_pass): Run additional
4225 todos returned by execute function.
4226 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4227 return a value.
4229 2006-03-02 Richard Guenther <rguenther@suse.de>
4231 * tree-ssa-alias.c (find_used_portions): Consider taking
4232 the address as making the variable not write-only.
4234 2006-03-02 Nick Clifton <nickc@redhat.com>
4236 * config.gcc (default_use_cxa_atexit): Extend the description of
4237 this configure variable. Set its default value to "yes" for
4238 Linux, NetBSD and ELF targets on the assumption that they will
4239 use C libraries with the __cxa_atexit function.
4241 2006-03-02 Ben Elliston <bje@au.ibm.com>
4243 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4244 parameter as unused to suppress a build warning.
4246 2006-03-02 Ben Elliston <bje@au.ibm.com>
4248 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4249 config/dfp-bit.c.
4251 2006-03-01 Roger Sayle <roger@eyesopen.com>
4253 PR other/26489
4254 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4255 declared name, the weak reference name, and the typeof name.
4256 (__gthrw): Avoid expanding the declared name suffix.
4257 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4259 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4261 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4262 from DWARF 3.
4263 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4264 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4265 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4266 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4267 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4268 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4269 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4270 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4271 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4272 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4273 (DW_END_default, DW_END_big, DW_END_little): New.
4274 (DW_END_lo_user, DW_END_hi_user): Define.
4275 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4276 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4277 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4278 DW_LANG_D): New.
4280 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4282 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4283 Update all users.
4284 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4285 Update all users.
4286 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4287 Update all users.
4288 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4289 Update all users.
4290 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4291 to 'symbol_mem_tag'.
4292 Update all users.
4293 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4294 rename.
4296 2006-03-01 Roger Sayle <roger@eyesopen.com>
4298 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4300 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4302 PR target/25761
4303 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4304 MACHO_DYNAMIC_NO_PIC_P.
4305 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4307 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4309 PR target/26389
4310 * config/darwin-protos.h (darwin_asm_output_anchor):
4311 Declare.
4312 * config/darwin-sections.def (cstring_section):
4313 Add SECTION_MERGE to the flags.
4314 (literal4_section): Likewise.
4315 (literal8_section): Likewise.
4316 (objc_selector_refs_section): Likewise.
4317 (objc_cls_refs_section): Likewise.
4318 * config/darwin.c (darwin_asm_output_anchor): New
4319 function.
4320 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4322 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4324 Fix PR tree-optimization/26443
4325 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4326 to todo and PROP_tmt_usage to properties_destroyed.
4327 * tree-ssa-ccp.c (pass_ccp): Ditto.
4328 (pass_store_ccp): Ditto.
4329 * tree-ssa-dom.c (pass_dominator): Ditto.
4331 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4333 * tree-ssa-operands.c: Cleanup whitespace.
4334 (get_asm_expr_operands): Move before first invocation.
4335 (get_indirect_ref_operands): Likewise.
4336 (get_tmr_operands): Likewise.
4337 (get_call_expr_operands): Likewise.
4338 (append_def): Likewise.
4339 (append_use): Likewise.
4340 (append_v_may_def): Likewise.
4341 (append_v_must_def): Likewise.
4342 (add_call_clobber_ops): Likewise.
4343 (add_call_read_ops): Likewise.
4344 (add_stmt_operand): Likewise.
4345 (add_virtual_operand): Likewise.
4346 (build_ssa_operands): Likewise.
4348 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4350 PR middle-end/26022
4351 Revert:
4352 PR middle-end/24437
4353 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4354 with a call expr to ...
4355 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4357 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4359 * tree-vrp.c (extract_range_from_assert): Remove special
4360 handling for types with super-types.
4362 2006-03-01 Ben Elliston <bje@au.ibm.com>
4364 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4365 and powerpc64-*-linux* configurations.
4366 * config/t-dfprules: New file.
4368 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4369 Compile dfp-bit.c from the source directory using -DWIDTH and
4370 $DFP_CFLAGS to control the compilation of that file, rather than
4371 generating width-specific versions in the build directory.
4372 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4373 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4375 2006-02-28 Zack Weinberg <zackw@panix.com>
4377 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4378 continues to work.
4380 2006-02-28 Eric Christopher <echristo@apple.com>
4382 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4383 Set up IN_LIBGCC definition of TARGET_64BIT.
4384 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4386 2006-02-28 Roger Sayle <roger@eyesopen.com>
4388 PR middle-end/14752
4389 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4390 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4391 cases via the construction of "expr != 0".
4393 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4395 * alias.c (alias_invariant, alias_invariant_size): Remove.
4396 (record_base_value): Remove.
4397 (memrefs_conflict_p): Don't look at alias_invariant.
4398 (end_alias_analysis): Don't free it.
4399 * alias.h (record_base_value): Remove prototype.
4401 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4402 Adam Nemet <anemet@caviumnetworks.com>
4404 * rtl.h (truncated_to_mode): Declare it.
4405 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4406 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4407 (RTL_HOOKS_INITIALIZER): Include it.
4408 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4409 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4410 reg_truncated_to_mode.
4411 * rtlanal.c (truncated_to_mode): Define it.
4412 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4414 2006-02-28 Jeff Law <law@redhat.com>
4416 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4417 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4418 the range allowed by TYPE_PRECISION.
4420 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4422 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4424 PR tree-optimization/26419
4425 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4426 values of n.
4428 2006-02-27 Zack Weinberg <zackw@panix.com>
4430 * doc/md.texi: Fix typo in previous change.
4432 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4434 * df.c: Remove.
4436 2006-02-27 Zack Weinberg <zackw@panix.com>
4438 * rtl.def (define_constraint, define_register_constraint)
4439 (define_memory_constraint, define_address_constraint): New MD forms.
4440 * gensupport.c (process_rtx): Put define_constraint etc on the
4441 predicate queue.
4442 * genpreds.c (process_define_predicate): Adjust comment. Validate
4443 the name, and call validate_exp to validate the expression.
4444 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4445 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4446 all callers changed.
4447 (validate_exp, needs_variable, struct constraint_data)
4448 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4449 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4450 (const_dbl_constraints, constraint_max_namelen)
4451 (have_register_constraints, have_memory_constraints)
4452 (have_address_constraints, have_address_constraints)
4453 (have_extra_constraints, have_const_int_constraints)
4454 (have_const_dbl_constraints, mangle, add_constraint)
4455 (process_define_constraint, process_define_register_constraint)
4456 (write_enum_constraint_num, write_lookup_constraint)
4457 (write_insn_constraint_len, write_regclass_for_constraint)
4458 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4459 (write_insn_extra_memory_constraint)
4460 (write_insn_extra_address_constraint)
4461 (write_satisfies_constraint_fns): New.
4462 (write_tm_preds_h): If we have new-style constraint definitions,
4463 prototype the functions generated from them, and define the
4464 old constraint interface (still used by generic code) in terms of
4465 those functions.
4466 (write_insn_preds_c): If we have new-style constraint definitions,
4467 generate all relevant functions from those definitions.
4468 (main): Handle define_constraint etc.
4469 * genoutput.c (struct constraint_data, indep_constraints)
4470 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4471 (mdep_constraint_len): New data structures and functions, defined
4472 #ifdef USE_MD_CONSTRAINTS.
4473 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4474 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4475 use new logic to validate operand constraints against constraint
4476 definitions.
4477 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4478 defined.
4479 * defaults.h: If none of the old-style constraint macros are
4480 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4481 old-style macros; and poison REG_CLASS_FROM_LETTER,
4482 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4483 EXTRA_CONSTRAINT.
4484 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4485 * doc/md.texi: Document new constraint-definition mechanism and the
4486 C interface it provides. Remove references to old mechanism
4487 elsewhere in the document.
4488 (Machine Constraints): Use pathnames relative to gcc directory,
4489 i.e. config/ARCH/FILE. Change i386 section to refer to
4490 config/i386/predicates.md; update that section to match docstrings.
4491 * doc/tm.texi: Move all documentation of the old constraint-
4492 definition macros to their own section, clearly mark as obsolete.
4494 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4495 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4496 definitions.
4497 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4498 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4499 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4500 constraint strings.
4501 (splits and peepholes): Use satisfies_constraint_*.
4502 * config/i386/i386.c (memory_address_length)
4503 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4505 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4507 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4508 scalar operation to be put back into the loop.
4510 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4512 PR other/26208
4513 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4514 (extract_cie_info): Handle S flag in augmentation string.
4515 (execute_cfa_program): If context->signal_frame, execute also
4516 fs->pc == context->ra instructions.
4517 (uw_frame_state_for): If context->signal_frame, don't subtract one
4518 from context->ra to find FDE.
4519 (uw_update_context_1): Set context->signal_frame to
4520 fs->signal_frame.
4521 (_Unwind_GetIPInfo): New function.
4522 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4523 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4524 of _Unwind_GetIP.
4525 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4526 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4527 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4528 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4529 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4530 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4531 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4532 x86_64_fallback_frame_state): Set fs->signal_frame.
4533 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4534 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4535 (frob_update_context): Likewise. Workaround missing S flag in
4536 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4537 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4538 Remove the psw_addr + 1 hack.
4540 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4542 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4543 with aggregates here.
4544 (find_func_aliases): Remove code for &<aggregate> from here.
4546 2006-02-26 Roger Sayle <roger@eyesopen.com>
4548 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4549 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4550 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4551 as (X & C) ne/eq 0.
4553 2006-02-26 Roger Sayle <roger@eyesopen.com>
4555 PR middle-end/19983
4556 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4558 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4560 * opts.c (decode_options): Do not handle flag_strength_reduce.
4561 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4562 and OPT_fstrength_reduce.
4563 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4564 flag_prefetch_loop_arrays for being nonzero.
4565 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4566 no-ops.
4567 (fprefetch-loop-arrays-rtl): Removed.
4568 (flag_prefetch_loop_arrays): Do not specify the value.
4570 * doc/passes.texi: Update documentation of loop optimizer
4571 passes.
4572 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4573 -frerun-loop-opt): Remove.
4575 2006-02-26 Richard Guenther <rguenther@suse.de>
4577 PR tree-optimization/26421
4578 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4579 in function calls that are ADDR_EXPRs as using the whole structure.
4581 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4583 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4584 * tree-pass.h (pass_loop_optimize): Remove.
4585 * passes.c (pass_loop_optimize): Never run it.
4586 * toplev.c (backend_init): Don't call init_loop.
4587 * opts.c (flag_loop_optimize_set): Remove.
4588 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4589 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4590 the old RTL loop optimizer when profiling enabled.
4591 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4592 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4593 pre-headers for the sake of the old RTL loop optimizer.
4594 * Makefile.in: Remove all references to loop.o.
4596 * doc/invoke.texi: Remove all references to -floop-optimize
4597 and -frerun-loop-opt.
4599 2006-02-26 Zack Weinberg <zackw@panix.com>
4601 * doc/md.texi (Machine Constraints): Refer to all files with paths
4602 relative to gcc directory (i.e. config/CPU/file). Add missing
4603 @table @code ... @end table to M32C subsection.
4605 2006-02-26 Roger Sayle <roger@eyesopen.com>
4607 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4608 (X & 1) == 0.
4609 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4611 2006-02-26 Roger Sayle <roger@eyesopen.com>
4612 James A. Morrison <phython@gcc.gnu.org>
4614 PR middle-end/21137
4615 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4616 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4617 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4618 signedness of the shift operation.
4620 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4622 PR tree-optimization/26359
4623 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4625 2006-02-25 Roger Sayle <roger@eyesopen.com>
4627 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4628 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4629 as X == 0, and some symmetry related transformations.
4630 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4632 2006-02-25 Roger Sayle <roger@eyesopen.com>
4634 PR middle-end/23673
4635 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4636 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4637 symmetry related transformations. Fold (X^C1) == C2 as
4638 X == (C1^C2).
4640 2006-02-25 Juergen Weigert <jw@suse.de>
4641 Richard Guenther <rguenther@suse.de>
4643 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4645 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4647 * combine.c (gen_lowpart_or_truncate): Call
4648 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4650 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4652 * doc/invoke.texi: Move -fopenmp description to "Options for
4653 Code Generation".
4654 Remove reference to -lgomp.
4656 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4658 * doc/install.texi: Require GNU tar version 1.14.
4660 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4662 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4663 * doc/invoke.texi (C++ Dialect Options): Document
4664 -fno-use-cxa-get-exception-ptr.
4665 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4666 * configure: Regenerate.
4667 * c.opt (fuse-cxa-get-exception-ptr): New.
4668 * c-opts.c (c_common_handle_option): Handle
4669 OPT_fuse_cxa_get_exception_ptr.
4670 * c-common.c (flag_use_cxa_atexit): Update documentation.
4671 (flag_use_cxa_get_exception_ptr): New.
4672 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4673 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4674 documentation.
4675 (C_COMMON_OVERRIDE_OPTIONS): New.
4677 2006-02-24 Roger Sayle <roger@eyesopen.com>
4679 PR middle-end/24952
4680 * combine.c (try_combine): Explicitly check whether GET_CODE is
4681 a SET or a CLOBBER, instead on checking that it isn't a USE.
4683 2006-02-24 Roger Sayle <roger@eyesopen.com>
4685 * fold-const.c (fold_comparison): New subroutine of fold_binary
4686 containing transformations common to both the equality and
4687 ordering relational operators, factored out of fold_binary.
4688 (fold_binary): Separate out the equality operators (EQ_EXPR
4689 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4690 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4691 transformations common to both.
4692 (fold_div_compare): Fix latent bugs in the previously unreachable
4693 LT_EXPR and GE_EXPR cases.
4695 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4697 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4698 decl libname for clog to __clog on AIX.
4700 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4702 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4704 PR target/26453
4705 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4706 output traceback table for thunks. Localise rs6000_stack_info call.
4708 2006-02-23 Roger Sayle <roger@eyesopen.com>
4709 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4711 * gthr-posix.h (__gthrw): Fix typo in comment.
4713 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4715 * doc/cpp.texi (Character sets): Document that we do support
4716 input files to be in any character set.
4718 2006-02-23 Jeff Law <law@redhat.com>
4720 * tree.h (PHI_ARG_NONZERO): Remove.
4721 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4722 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4723 node to the new node.
4725 PR tree-optimization/26425
4726 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4727 min/max, then assume its varying.
4729 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4731 PR rtl-optimization/26316
4732 * rtlanal.c (enum may_trap_p_flags): New.
4733 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4734 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4735 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4736 (may_trap_after_code_motion_p): New function.
4737 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4738 (find_invariant_insn): Use may_trap_after_code_motion_p.
4739 * rtl.h (may_trap_after_code_motion_p): Declare.
4741 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4743 * emit-rtl.c (immed_double_const): Cleanup.
4745 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4747 Fix PR tree-optimization/26376
4748 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4749 remove assert.
4751 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4753 PR middle-end/26412
4754 * gimplify.c (omp_add_variable): Guard variable size decl test with
4755 DECL_SIZE (decl) check.
4757 2006-02-23 Richard Guenther <rguenther@suse.de>
4759 PR middle-end/26439
4760 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4761 like aggregate types.
4763 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4765 * configure.ac: Add --with{,out}-long-double-128 configure option.
4766 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4767 * configure: Rebuilt.
4768 * config.in: Rebuilt.
4769 * doc/install.texi (Options specification): Document
4770 --with-long-double-128.
4772 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4773 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4774 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4775 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4777 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4779 * config/s390/s390.c (override_options): Handle
4780 TARGET_DEFAULT_LONG_DOUBLE_128.
4782 * config/alpha/alpha.c (override_options): Handle
4783 TARGET_DEFAULT_LONG_DOUBLE_128.
4785 * config/sparc/sparc.c (sparc_override_options): Handle
4786 TARGET_DEFAULT_LONG_DOUBLE_128.
4788 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4790 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4791 (real-install-headers-tar, real-install-headers-cpio)
4792 (real-install-headers-cp): New targets.
4794 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4796 * tree.h (variable_section): Delete.
4797 * varasm.c (variable_section): Delete.
4799 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4801 * install.texi: Add notes on install.texi2html.
4802 (Building in parallel): Do not use footnotes.
4804 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4806 PR libgomp/26234
4807 * doc/install.texi (Configuration): Document --disable-libgomp.
4809 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4811 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4813 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4815 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4816 (vec_extractv2df_0_sse): New.
4818 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4820 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4821 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4822 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4823 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4824 to the result of the expression.
4825 (def_cfa_1): Adjust.
4826 (frame_pointer_cfa_offset): Rename to...
4827 (frame_pointer_fb_offset): ... this. Adjust all uses.
4828 (convert_cfa_to_loc_list): Rename to...
4829 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4830 Pass it on to build_cfa_loc.
4831 (compute_frame_pointer_to_cfa_displacement): Rename to...
4832 (compute_frame_pointer_to_fb_displacement): ... this. New
4833 offset parameter. Use it in computation.
4834 (gen_subprogram_die): Compute cfa_fb_offset with the new
4835 macro, and use it to compute the fb loc list and the
4836 displacement.
4838 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4840 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4841 replaced with register_operand.
4842 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4843 non-DREG is expensive.
4844 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4845 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4846 involving memory.
4848 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4850 * doc/install.texi2html: Use set -e.
4852 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4854 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4855 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4856 * doc/invoke.texi (-fshared-data): Delete.
4857 * common.opt (fshared-data): Delete.
4858 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4859 (assemble_static_space): Remove #if 0 code.
4860 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4861 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4862 * config/cris/cris.h: Remove FIXME.
4864 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4866 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4867 hooks.
4869 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4871 PR middle-end/26379
4872 * combine.c (simplify_shift_const_1): Disable nested shifts
4873 optimization for vector shifts.
4875 2006-02-20 Roger Sayle <roger@eyesopen.com>
4877 PR tree-optimization/26361
4878 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4879 of unsigned integer types.
4881 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4883 * tree-chrec.c (eq_evolutions_p): New.
4884 * tree-chrec.h (eq_evolutions_p): Declared.
4885 * tree-data-ref.c: Fix formatting.
4886 (datadep_stats, dependence_stats): New.
4887 (gcd): Moved...
4888 (print_direction_vector): New.
4889 (dump_data_dependence_relation): Use print_direction_vector.
4890 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4891 (compute_subscript_distance): Static.
4892 (initialize_data_dependence_relation): Static. Get the number
4893 of loops surrounding the references from the callers, and initialize
4894 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4895 base_object_differ_p analyzers.
4896 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4897 compute_overlap_steps_for_affine_1_2,
4898 analyze_subscript_affine_affine): Count the classified dependences.
4899 Print a message when a test failed.
4900 (can_use_analyze_subscript_affine_affine): New.
4901 (analyze_siv_subscript): Compute the data dependences on symbolic
4902 scevs that verify can_use_analyze_subscript_affine_affine.
4903 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4904 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4905 Handle symbolic scevs.
4906 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4907 analyzed.
4908 (subscript_dependence_tester): Moved...
4909 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4910 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4911 DDR_SIZE_VECT instead of getting it in parameter.
4912 (subscript_dependence_tester): ... here. Take as a parameter
4913 loop_nest_depth. Call build_classic_dist_vector and
4914 build_classic_dir_vector.
4915 (compute_affine_dependence): Update subscript_dependence_tester
4916 parameters. Update datadep_stats counters. Call
4917 compute_subscript_distance.
4918 (compute_self_dependence): Save the dist and dir vectors. Call
4919 compute_subscript_distance.
4920 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4921 (compute_all_dependences): Reorder parameters as they were before
4922 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4923 compute_subscript_distance. Update the use of
4924 compute_affine_dependence and initialize_data_dependence_relation.
4925 (find_data_references_in_loop): Handle COMPONENT_REF.
4926 (compute_data_dependences_for_loop): Initialize dependence_stats.
4927 Don't call build_classic_dist_vector and build_classic_dir_vector.
4928 Update the parameters of initialize_data_dependence_relation and
4929 compute_all_dependences. Print the statistics from datadep_stats.
4930 (analyze_all_data_dependences): Static. Not used until the pass for
4931 checking the data dependences is contributed.
4932 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4933 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4934 (initialize_data_dependence_relation, compute_affine_dependence,
4935 analyze_all_data_dependences, compute_subscript_distance): Removed.
4936 (print_direction_vector): New.
4937 * lambda.h (gcd): ... here.
4938 (lambda_vector_gcd): Moved here from gcd_vector.
4939 * lambda-code.c (gcd, gcd_vector): Removed.
4940 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4941 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4943 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4945 * ipa-type-escape.c: Tidy some comments and white space.
4946 * tree-ssa-operands.c: Likewise.
4948 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4950 PR tree-opt/25879
4951 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4952 (dump_decl_name): Do not walk the decl tree chains.
4953 * tree-pass.h (TDF_CHAIN): Remove.
4955 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4957 * Makefile.in (C): Remove
4958 (PROTO): Remove
4959 (.PHONY): Remove C and PROTO
4961 2006-02-20 Roger Sayle <roger@eyesopen.com>
4963 PR middle-end/26236
4964 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4965 deprecated CHAR_TYPE tree code.
4967 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4969 * configure.ac (target_list): Add install-info, dvi, html.
4970 * configure: Regenerate.
4972 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4973 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4974 treelang/Make-lang.in: Do not use double-colon rules.
4976 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4978 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4979 (TMT_USED_ALONE): New macro.
4980 * tree-pass.h (PROP_tmt_usage): New property.
4981 (TODO_update_tmt_usage): New todo.
4982 * tree-ssa-alias.c (updating_used_alone): New variable.
4983 (recalculate_used_alone): New function.
4984 (compute_may_aliases): Set updating_used_alone, call
4985 recalculate_used_alone.
4986 * tree-sra.c (pass_sra): Note that this pass destroys
4987 PROP_tmt_usage, and add TODO_update_tmt_usage.
4988 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4989 * tree-flow.h (updating_used_alone): Prototype.
4990 (recalculate_used_alone): Ditto.
4991 * passes.c (execute_todo): Add code to set updating_used_alone,
4992 and call recalculate.
4993 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4994 for clobber if used alone, and add assert to verify used_alone
4995 status.
4997 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4999 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5000 for non tls symbols added.
5001 (legitimize_address): Do nothing for PLUS expressions if one of the
5002 addends is a tls symbol reference.
5004 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5006 PR bootstrap/25476
5008 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5010 * Makefile.in (BOOTSTRAPPING): New.
5011 (quickstrap): New definition if BOOTSTRAPPING=yes.
5013 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5014 * configure.ac: Substitute all_selected_languages with the languages
5015 that were configured. For all the other variables except
5016 lang_specs_files, include all the languages in the tree.
5017 * configure: Regenerate.
5019 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5020 if there is one. Run the commands to run fixincludes in the same
5021 subshell.
5023 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5024 * doc/install.texi: Document exact conventions for searching target tools.
5025 Document --with-build-time-tools. Document toplevel bootstrap. Document
5026 something more about building an Ada cross-compiler. Don't list GNU Make
5027 requirements which affect all platforms.
5029 2006-02-19 Roger Sayle <roger@eyesopen.com>
5031 PR middle-end/19543
5032 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5033 only equivalent if the have both the same mode and precision.
5035 2006-02-20 Ben Elliston <bje@au.ibm.com>
5037 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5039 2006-02-19 Roger Sayle <roger@eyesopen.com>
5040 Steven Bosscher <stevenb.gcc@gmail.com>
5042 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5043 constant pool references to identify stack mode constants.
5044 * rtlanal.c (constant_pool_constant_p): New predicate to check
5045 whether operand is a floating point constant in the pool.
5046 * rtl.h (constant_pool_constant_p): Prototype here.
5047 * loop.c (scan_loop): Avoid hoisting constants from the constant
5048 pool on STACK_REGS targets.
5049 (load_mems): Likewise.
5050 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5051 loads into x87 registers expensive in terms of register pressure.
5053 2006-02-19 Roger Sayle <roger@eyesopen.com>
5055 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5056 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5058 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5060 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5061 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5063 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5065 * doc/invoke.texi: Document -fipa-pta.
5066 * common.opt: Add ipa-pta option.
5067 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5068 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5069 (do_ds_constraint): Ditto.
5070 (get_constraint_for): Only add to referenced_vars if
5071 referenced_vars exists.
5072 (insert_into_field_list): Rewrite to do this unsorted.
5073 (insert_into_field_list_sorted): Rename old insert_into_field_list
5074 to this.
5075 (create_function_info_for): Use insert_into_field_list_sorted.
5076 (create_variable_info_for): Rewrite so it uses unsorted version,
5077 since the field list is sorted.
5078 (intra_create_variable_infos): Only add to referenced_vars if
5079 referenced_vars exists.
5080 (ipa_pta_execute): Init heapvars, and delete when done.
5081 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5083 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5085 * doc/install.texi: Add missing `@samp'.
5087 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5089 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5090 Use the arguments.
5092 2006-02-18 Mark Wielaard <mark@klomp.org>
5094 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5095 who added new 4.1 features, bug fixes and integration support.
5097 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5099 PR target/26350
5100 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5101 MEM for ABI_V4 pic.
5103 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5105 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5106 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5107 (copy_insn_1): Likewise. Don't copy each field individually.
5108 Reindent.
5109 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5110 of RTX_SIZE.
5111 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5112 * rtl.c (rtx_size): Rename variable to...
5113 (rtx_code_size): ...this.
5114 (rtx_size): New function.
5115 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5116 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5117 Reindent.
5118 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5119 * rtl.h (rtx_code_size): New variable.
5120 (rtx_size): Change from a variable to a function.
5121 (RTX_SIZE): Rename to...
5122 (RTX_CODE_SIZE): ...this.
5124 PR target/9703
5125 PR tree-optimization/17106
5126 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5127 (Anchored Addresses): New section.
5128 * doc/invoke.texi (-fsection-anchors): Document.
5129 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5130 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5131 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5132 * hooks.c (hook_bool_mode_rtx_false): New function.
5133 * hooks.h (hook_bool_mode_rtx_false): Declare.
5134 * gengtype.c (create_optional_field): New function.
5135 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5136 SYMBOL_REF_IN_BLOCK_P is true.
5137 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5138 (min_anchor_offset, max_anchor_offset): Likewise.
5139 (use_anchors_for_symbol_p): New hook.
5140 * toplev.c (compile_file): Call output_object_blocks.
5141 (target_supports_section_anchors_p): New function.
5142 (process_options): Check that -fsection-anchors is only used on
5143 targets that support it and when -funit-at-a-time is in effect.
5144 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5145 if the decl doesn't have one.
5146 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5147 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5148 of force_const_mem through use_anchored_address.
5149 (expand_expr_constant): New function.
5150 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5151 calling expand_expr for INDIRECT_REF.
5152 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5153 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5154 * expr.h (use_anchored_address): Declare.
5155 * loop-unroll.c: Don't declare rtx vectors here.
5156 * explow.c: Include output.h.
5157 (validize_mem): Call use_anchored_address.
5158 (use_anchored_address): New function.
5159 * common.opt (-fsection-anchors): New switch.
5160 * varasm.c (object_block_htab, anchor_labelno): New variables.
5161 (hash_section, object_block_entry_eq, object_block_entry_hash)
5162 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5163 (use_blocks_for_decl_p, change_symbol_section): New functions.
5164 (get_variable_section): New function, split out from assemble_variable.
5165 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5166 use_blocks_for_decl_p say so. Use change_symbol_section if the
5167 symbol has already been created.
5168 (assemble_variable_contents): New function, split out from...
5169 (assemble_variable): ...here. Don't output any code for
5170 block symbols; just pass them to place_block_symbol.
5171 Use get_variable_section and assemble_variable_contents.
5172 (get_constant_alignment, get_constant_section, get_constant_size): New
5173 functions, split from output_constant_def_contents.
5174 (build_constant_desc): Create a block symbol if use_object_blocks_p
5175 says so. Or into SYMBOL_REF_FLAGS.
5176 (assemble_constant_contents): New function, split from...
5177 (output_constant_def_contents): ...here. Don't output any code
5178 for block symbols; just pass them to place_section_symbol.
5179 Use get_constant_section and get_constant_alignment.
5180 (force_const_mem): Create a block symbol if use_object_blocks_p and
5181 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5182 (output_constant_pool_1): Add an explicit alignment argument.
5183 Don't switch sections here.
5184 (output_constant_pool): Adjust call to output_constant_pool_1.
5185 Switch sections here instead. Don't output anything for block symbols;
5186 just pass them to place_block_symbol.
5187 (init_varasm_once): Initialize object_block_htab.
5188 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5189 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5190 (place_block_symbol, get_section_anchor, output_object_block)
5191 (output_object_block_htab, output_object_blocks): New functions.
5192 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5193 (TARGET_ASM_OUT): Include it.
5194 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5195 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5196 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5197 (TARGET_INITIALIZER): Include them.
5198 * rtl.c (rtl_check_failed_block_symbol): New function.
5199 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5200 (block_symbol, object_block): New structures.
5201 (rtx_def): Add a block_symbol field to the union.
5202 (BLOCK_SYMBOL_CHECK): New macro.
5203 (rtl_check_failed_block_symbol): Declare.
5204 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5205 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5206 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5207 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5208 * output.h (output_section_symbols): Declare.
5209 (object_block): Name structure.
5210 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5211 (default_use_anchors_for_symbol_p): Declare.
5212 * Makefile.in (RTL_BASE_H): Add vec.h.
5213 (explow.o): Depend on output.h.
5214 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5215 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5216 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5217 (rs6000_use_blocks_for_constant_p): New function.
5219 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5221 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5223 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5225 PR tree-opt/25680
5226 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5227 IMAGPART_EXPR.
5229 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5231 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5232 is_aliased.
5233 Update all users.
5235 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5237 PR middle-end/26334
5238 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5239 instead of DECL_REGISTER.
5241 2006-02-18 Olivier Hainque <hainque@adacore.com>
5243 PR ada/13408
5244 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5246 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5248 PR target/24837
5249 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5250 * opth-gen.awk: Handle Var and InverseMask together.
5251 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5252 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5253 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5254 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5255 used together.
5256 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5257 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5258 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5259 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5260 LINUX_DYNAMIC_LINKER): Define.
5261 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5262 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5263 TARGET_GLIBC.
5264 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5265 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5266 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5268 (TARGET_C99_FUNCTIONS): Don't define.
5269 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5270 GLIBC_DYNAMIC_LINKER.
5271 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5272 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5273 GLIBC_DYNAMIC_LINKER64): Define.
5274 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5275 LINUX_DYNAMIC_LINKER64.
5276 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5278 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5279 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5280 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5281 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5282 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5283 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5284 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5286 and LINUX_DYNAMIC_LINKER32.
5287 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5288 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5289 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5290 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5291 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5292 TARGET_GLIBC.
5293 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5294 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5295 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5296 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5297 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5298 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5299 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5300 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5301 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5302 LINUX_DYNAMIC_LINKER): Define.
5303 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5304 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5305 GLIBC_DYNAMIC_LINKER64): Define.
5306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5307 LINUX_DYNAMIC_LINKER64.
5308 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5309 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5310 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5311 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5312 LINUX_DYNAMIC_LINKER): Define.
5313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5314 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5315 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5316 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5317 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5318 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5319 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5320 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5321 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5322 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5324 * doc/invoke.texi (-muclibc): Remove caveat about supported
5325 targets.
5327 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5329 * doc/cpp.texi (__TIMESTAMP__): Document.
5331 2006-02-17 Roger Sayle <roger@eyesopen.com>
5333 PR middle-end/25600
5334 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5335 C is one less than the width of X (and related transformations).
5336 * simplify-rtx.c (simplify_unary_operation_1): Transform
5337 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5338 depending on STORE_FLAG_VALUE, were C is one less then the
5339 width of X.
5341 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5343 Fix PR tree-optimization/26341
5344 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5345 about NAME_MEMORY_TAG's.
5347 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5349 PR target/26255
5350 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5351 with hardware float support, and software float support. Add fcpy
5352 alternative to hardware patterns. Add alternatives to copy between
5353 general and floating-point registers to the 32-bit pattern.
5354 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5355 secondary reload to load a QI or HI mode constant into a floating
5356 point register.
5357 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5358 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5360 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5362 PR target/26272
5363 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5364 pc to the pattern.
5365 (load_macho_picbase_di): Likewise.
5367 2006-02-16 Jeff Law <law@redhat.com>
5369 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5370 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5371 (ssa_name_nonzero_p): Likewise.
5372 (get_value_range): Return NULL if VRP is not running.
5373 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5374 VRP routines do not discover a range.
5375 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5376 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5377 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5378 (tree_expr_nonnegative_p): Similarly.
5379 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5380 (restore_nonzero_vars_to_original_value): Remove.
5381 (unsafe_associative_fp_binop): Remove.
5382 (tree_ssa_dominator_optimize): Remove initialization and
5383 finalization of nonzero_vars and nonzero_vars_stack.
5384 (dom_opt_initialize_block): No longer push marker on
5385 nonzero_vars_stack.
5386 (dom_opt_finalize_block): No longer call
5387 restore_nonzero_vars_to_original_value.
5388 (record_equivalences_from_phis): No longer look for
5389 nonzero PHI arguments.
5390 (cprop_into_successor_phis): No longer propagate nonzero
5391 property into PHI arguments. Lose unused argument. Caller
5392 updated.
5393 (record_equivalences_from_stmt): No longer record nonzero
5394 values for SSA_NAMEs.
5395 (lookup_avail_expr): No longer use nonzero_vars.
5397 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5398 for sizetype when sizetype is unsigned.
5400 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5402 PR rtl-optimization/25603
5403 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5404 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5405 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5406 with new meaning of SETS.
5408 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5410 PR target/20353
5411 PR target/24578
5412 PR target/24837
5413 * config/linux.opt: New file.
5414 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5415 LINUX_DYNAMIC_LINKER): Define.
5416 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5417 * config.gcc (*-*-linux*): Define extra_options.
5418 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5419 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5420 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5421 GLIBC_DYNAMIC_LINKER.
5422 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5423 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5424 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5425 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5426 * doc/invoke.texi (GNU/Linux Options): New section.
5428 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5430 * config/sparc/sparc.md (setjmp): Rewrite.
5431 (setjmp_32): Delete.
5432 (setjmp_64): Likewise.
5434 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5436 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5437 previous change.
5439 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5441 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5442 read-write uses.
5444 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5446 PR rtl-optimization/26296
5447 * Makefile.in (loop-invariant.c): Add except.h dependency.
5448 * loop-invariant.c: Include except.h.
5449 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5451 2005-02-16 Paul Brook <paul@codesourcery.com>
5453 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5454 for reloads.
5456 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5458 PR rtl-optimization/25636
5459 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5460 when deciding whether an insn is an initializing insn.
5462 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5464 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5465 (tree_code_size): Ditto.
5466 * tree.h (struct tree_memory_tag): Remove parent_var.
5467 (struct tree_struct_field_tag): New.
5468 (SFT_OFFSET): New.
5469 (SFT_SIZE): New.
5470 (union tree_node): Add sft member.
5471 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5472 specially here.
5473 (create_sft): Add size and offset argument, set SFT_OFFSET and
5474 SFT_SIZE.
5475 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5476 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5477 * tree-flow-inline.h (get_subvar_at): Update for
5478 SFT_OFFSET/SFT_SIZE.
5479 (var_can_have_subvars): Ditto.
5480 (overlap_subvar): Ditto.
5481 * print-tree.c (print_node): Print out interesting things for
5482 SFT's.
5483 * tree-flow.h (struct subvar): Remove offset and size members.
5484 * tree-ssa-operands.c (get_expr_operands): Update for
5485 get_indirect_ref_operands changes.
5486 (get_indirect_ref_operands): Call add_virtual_operand instead of
5487 add_stmt_operand. Only recurse on base var if requested.
5488 (access_can_touch_variable): New function.
5489 (add_stmt_operand): Split virtual operand handling into ...
5490 (add_virtual_operand): Here. Add offset, size, and for_clobber
5491 arguments. Prune alias sets.
5492 (add_call_clobber_ops): Call add_virtual_operand.
5494 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5496 PR middle-end/26300
5497 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5499 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5500 than TREE_CODE as index into omp_clause_num_ops array.
5502 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5504 PR rtl-optimization/26184
5505 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5506 uses_of_defs.
5507 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5508 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5509 must_precede, must_follow and tobe_scheduled.
5511 PR other/26147
5512 * opts.c (common_handle_option): Free new_option pointer.
5513 * df-core.c (df_analyze): Free postorder pointer.
5515 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5517 * Makefile.in: Fix the examples about the use of stamps
5519 2006-02-15 Michael Matz <matz@suse.de>
5521 PR middle-end/22275
5523 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5524 influenced by maximum_field_alignment or DECL_PACKED.
5525 (update_alignment_for_field): Ditto.
5526 (place_field): Ditto.
5527 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5528 this behaviour.
5530 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5532 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5533 (debug_flow_info): Pass it.
5534 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5535 * bb-reorder.c (reorder_basic_blocks): Likewise.
5536 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5537 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5538 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5539 * gcse.c (gcse_main, bypass_jumps): Likewise.
5540 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5541 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5542 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5543 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5544 * rtl.h (dump_flow_info): Adjust prototype.
5545 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5546 * var-tracking.c (variable_tracking_main): Likewise.
5547 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5548 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5549 options.
5551 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5553 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5554 construction.
5556 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5558 PR tree-optimization/26209
5559 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5560 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5561 eh edges.
5562 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5564 2006-02-14 Roger Sayle <roger@eyesopen.com>
5566 PR middle-end/23670
5567 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5568 (X,Y) and the corresponding symmetry related transformations.
5569 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5570 (X,Y) and its symmetry related transformations.
5572 2006-02-14 Roger Sayle <roger@eyesopen.com>
5574 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5575 and GEU.
5577 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5579 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5581 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5583 PR bootstrap/26053
5584 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5585 support COMDAT group.
5586 * configure: Regenerate.
5588 2006-02-14 Roger Sayle <roger@eyesopen.com>
5590 PR middle-end/26279
5591 PR middle-end/26280
5592 PR middle-end/26283
5593 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5595 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5597 Fix PR tree-optimization/26260
5599 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5600 param.
5601 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5602 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5603 * tree-ssa-structalias.c (create_variable_info_for): Use
5604 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5606 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5608 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5609 Document.
5610 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5611 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5612 of the ending condition.
5613 * tree-ssa-loop-manip.c: Include params.h.
5614 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5615 tree_unroll_loop): New functions.
5616 * tree-pass.h (pass_loop_prefetch): Declare.
5617 * loop.c (rest_of_handle_loop_optimize): Test for
5618 -fprefetch-loop-arrays-rtl.
5619 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5620 * timevar.def (TV_TREE_PREFETCH): New timevar.
5621 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5622 pass_loop_prefetch): New.
5623 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5624 (cleanup_tree_cfg_loop): Call scev_reset.
5625 * common.opt (fprefetch-loop-arrays-rtl): Add.
5626 * tree-ssa-loop-prefetch.c: New file.
5627 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5628 (new_temp_expr_table): Initialize expr_vars.
5629 (free_temp_expr_table): Cleanup expr_vars.
5630 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5631 expressions from being merged into one.
5632 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5633 (struct tree_niter_desc): Add control, bound and cmp fields.
5634 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5635 Declare.
5636 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5637 (tree-cfgcleanup.o): Add SCEV_H dependency.
5638 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5639 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5641 2006-02-14 Richard Guenther <rguenther@suse.de>
5643 PR tree-optimization/26258
5644 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5645 in PHI argument processing.
5647 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5649 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5650 new expression in the requested machine mode.
5652 2006-02-13 Roger Sayle <roger@eyesopen.com>
5654 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5655 directly, instead let do_compare_rtx_and_jump handle this for us.
5656 * expr.c (expand_expr_real_1): Likewise.
5657 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5658 before do_jump_by_parts_greater.
5659 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5660 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5662 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5664 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5666 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5668 PR rtl-optimization/26235
5669 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5670 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5671 format.
5673 2006-02-13 Jeff Law <law@redhat.com>
5675 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5676 TRUTH_XOR_EPR.
5678 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5680 PR middle-end/26092
5681 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5682 twice if decl is a builtin. When trying again, call get_callee_fndecl
5683 first to verify it is still a builtin.
5685 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5687 * dwarf2out.c (base_type_die): Don't add AT_name here.
5688 (subrange_type_die): Don't add AT_name here.
5689 (modified_type_die): Rearrange code flow. Do add AT_name here.
5691 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5693 PR rtl-optimization/26247
5694 PR rtl-optimization/26248
5695 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5697 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5699 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5700 * config/fixtfdi.c: Likewise.
5701 * config/fixunstfdi.c: Likewise.
5702 * config/floatditf.c: Likewise.
5704 2006-02-13 Roger Sayle <roger@eyesopen.com>
5706 PR middle-end/24427
5707 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5708 into (X,C2) if C1 is a subset of the bits of C2. Transform
5709 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5710 (X&(C1&~C2))|C2.
5711 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5713 2006-02-13 Josh Conner <jconner@apple.com>
5715 PR target/25376
5716 * varasm.c (function_section): Check for section name before
5717 calling select_section on targets that define
5718 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5719 unlikely_text_section instead of hot_function_section if
5720 first_function_block_is_cold.
5722 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5724 PR middle-end/25335
5725 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5727 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5729 PR rtl-optimization/26222
5730 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5731 after tree->rtl expansion.
5732 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5733 before passing it to emit_move_insn.
5735 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5737 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5738 default.
5739 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5740 Clarify documentation.
5741 * c-common.h (warn_write_strings): Remove.
5742 * c-common.c (warn_write_strings): Likewise.
5743 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5744 default for C++.
5746 2006-02-12 Roger Sayle <roger@eyesopen.com>
5748 PR middle-end/25724
5749 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5750 (do_jump_parts_zero_rtx): New function renamed from
5751 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5752 (do_jump_parts_equality_rtx): New function split out from
5753 do_jump_parts_equality. Old implementation renamed as above.
5754 Call do_jump_parts_zero_rtx if either operand is zero.
5755 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5756 do all of the heavy lifting.
5757 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5758 calling either do_jump_by_parts_greater_rtx or
5759 do_jump_by_parts_equality_rtx.
5760 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5761 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5762 moved to do_compare_rtx_and_jump, call it directly.
5763 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5764 mode argument. Call do_compare_rtx_and_jump.
5765 (emit_case_nodes): Update calls to do_jump_if_equal.
5767 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5769 PR rtl-optimization/26225
5770 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5772 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5774 PR rtl-optimization/26232
5775 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5777 2006-02-11 Jason Merrill <jason@redhat.com>
5779 PR tree-opt/24365
5780 * tree-inline.c (declare_return_variable): Just don't use the
5781 modify target if it's a gimple complex reg and the return slot
5782 isn't.
5784 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5786 * doc/contrib.texi: Update my entry.
5788 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5790 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5792 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5794 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5795 expensive.
5797 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5799 * doc/invoke.texi (-floop-optimize2): Removed.
5800 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5801 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5802 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5803 * common.opt (floop-optimize2): Removed.
5804 (fmove-loop-invariants): Enabled by default.
5806 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5808 * tree-if-conv.c (combine_blocks): Free the result of
5809 get_loop_exit_edges.
5811 2006-02-10 Jeff Law <law@redhat.com>
5813 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5815 PR tree-optimization/26213
5816 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5817 loop trying to follow SSA_NAME_VALUE chains.
5819 2006-02-10 Richard Guenther <rguenther@suse.de>
5821 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5822 deal with structures that end in implicitly variable sized arrays.
5824 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5826 PR rtl-optimization/24762
5827 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5828 eh edges.
5830 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5832 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5833 (struct ivopts_data): Add regs_used field.
5834 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5835 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5836 instead of loop_data->regs_used;
5837 (free_loop_data): Do not free aux fields for loops.
5838 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5839 and tree_ssa_iv_optimize_finalize.
5841 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5843 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5845 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5847 PR target/26141
5848 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5849 computing the effective result type.
5851 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5853 PR inline-asm/16194
5854 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5855 (tree_overlaps_hard_reg_set): Declare.
5856 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5857 type and signature to match function type expected by walk_tree.
5858 (tree_overlaps_hard_reg_set): New function.
5859 (decl_conflicts_with_clobbers_p): Rename to:
5860 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5861 Use tree_overlaps_hard_reg_set. Changed caller.
5862 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5863 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5864 * cris.c (cris_md_asm_clobbers): Likewise.
5866 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5868 * reload1.c (emit_input_reload_insns): Delete code that tries to
5869 inherit using find_equiv_reg.
5871 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5873 * c-common.h (flag_const_strings): Don't declare.
5874 * c-common.c (flag_const_strings): Remove.
5875 * c.opt (fconst_strings): Remove.
5876 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5877 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5878 (c_common_init_options): Don't set flag_const_strings.
5879 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5881 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5883 * arm.md (tlobits_cbranch): New pattern.
5884 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5885 testing a single bit.
5887 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5889 PR tree-opt/26179
5890 * tree-ssa-pre.c (create_component_ref_by_pieces):
5891 Handle RETURN_DECL like VAR_DECL.
5893 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5895 PR middle-end/26134
5896 * fold-const.c (fold_indirect_ref_1): Fold
5897 "*(foo *)&complexfoo" to "__real__ complexfoo"
5898 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5900 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5902 * tree-flow-inline.h (var_can_have_subvars):
5903 Volatile variables should not have subvariables.
5905 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5907 PR 26180
5908 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5909 multiplying unsigned values.
5910 Tidy comments.
5912 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5914 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5916 2006-02-08 Jason Merrill <jason@redhat.com>
5918 PR c++/25979
5919 * tree.def: Elaborate on difference from MODIFY_EXPR.
5920 * doc/c-tree.texi (INIT_EXPR): Likewise.
5921 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5922 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5923 (gimplify_target_expr): Likewise.
5924 (gimplify_cond_expr): Remove target handling.
5925 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5926 (gimplify_expr): Clobber it here.
5927 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5928 Do return slot optimization if we have an INIT_EXPR.
5930 PR tree-opt/24365
5931 * tree-inline.c (declare_return_variable): Also clear
5932 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5934 PR c++/16405
5935 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5937 PR middle-end/22439
5938 * gimplify.c (gimplify_one_sizepos): Fix typo.
5940 2006-02-08 Jeff Law <law@redhat.com>
5942 PR tree-optimization/21417
5943 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5944 across a backedge if the control statement at the end of the
5945 block is data dependent on other statements in the same block.
5946 (record_temporary_equivalences_from_stmts): Remove over-conservative
5947 test for threading across backedges.
5949 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5950 control statement, handle all three special cases in the same
5951 manner as they all have the same desired solution. No longer
5952 special case edge flag updating when the post dominator is
5953 the exit block.
5955 2006-02-08 Roger Sayle <roger@eyesopen.com>
5957 * tree.def (CHAR_TYPE): Remove.
5958 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5959 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5960 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5961 (gen_string_type_die): Delete unreachable function.
5963 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5964 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5965 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5966 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5967 * builtins.c (type_to_class): Likewise.
5968 * fold-const.c (fold_convert, build_range_check,
5969 merge_ranges): Likewise.
5970 * expr.c (count_type_elements): Likewise.
5971 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5972 * stor-layout.c (layout_type): Likewise.
5973 * ipa-type-escape.c (type_to_consider): Likewise.
5974 * gimplify.c (omp_firstprivatize_type_sizes,
5975 gimplify_type_sizes): Likewise.
5976 * explow.c (promote_mode): Likewise.
5977 * tree-sra.c (is_sra_scalar_type): Likewise.
5978 * varasm.c (output_constant): Likewise.
5979 * tree-inline.c (remap_type_1): Likewise.
5980 * convert.c (convert_to_pointer, convert_to_real,
5981 convert_to_integer, convert_to_complex): Likewise.
5983 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5985 * df-scan.c (df_def_record_1): A set destination may
5986 be a parallel regardless of mode.
5988 2006-02-08 Roger Sayle <roger@eyesopen.com>
5990 PR target/22209
5991 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5992 * config/mips/_tilib.c: Remove.
5993 * config/fixtfdi.c: New libgcc source file.
5994 * config/fixunstfdi.c: New source file.
5995 * config/floatditf.c: New source file.
5996 * config/floatunditf.c: New souce file.
5997 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5998 files above instead of config/mips/_tilib.c.
5999 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6001 2006-02-08 Jeff Law <law@redhat.com>
6003 PR tree-optimization/26169
6004 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6005 threading jumps.
6007 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6009 * df.h (DF_REG_SIZE): Return the length of the initialized
6010 part of the array.
6012 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6014 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6015 __muldf3): Return a correctly signed zero.
6017 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6019 * passes.c (register_one_dump_file): Accept the current properties
6020 instead of pass number. Adjust call to dump_register. Remove
6021 duplicated code.
6022 (register_dump_files): Now a wrapper around...
6023 (register_dump_files_1): ... this one. Do not modify the pass
6024 structure.
6025 (next_pass_1): Cosmetic fix.
6026 (execute_todo): Keep second parameter only. Use curr_properties
6027 instead of fetching it from the pass structure. Check and set
6028 last_verified.
6029 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6030 instead of fetching it from the pass structure. Fix calls to
6031 execute_todo. Update curr_properties and initialize .vcg RTL dump
6032 after running the pass. Reset last_verified.
6033 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6034 at the beginning.
6035 (FIRST_AUTO_NUMBERED_DUMP): New.
6036 (dump_register): Remove "num" parameter, assign it within the
6037 function.
6038 (get_dump_file_name): Modify template for dumps.
6039 * tree-dump.h (dump_register): Adjust prototype.
6040 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6041 (PROP_trees): Add PROP_gimple_lomp.
6042 (TODO_set_props): New.
6043 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6044 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6045 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6047 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6049 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6050 (sparc64-*-linux*): Likewise.
6051 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6052 * config/sparc/t-linux: New file.
6053 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6054 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6055 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6056 -m32 -mlong-double-128.
6058 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6059 * config/alpha/t-linux: New file.
6060 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6062 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6063 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6064 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6065 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6066 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6067 (CPP_ARCH32_SPEC): Remove.
6069 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6071 PR tree-optimization/26145
6072 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6073 bbs pointer.
6075 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6077 PR target/26109
6078 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6079 >= 240000 when generating code for SOM runtime.
6080 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6081 to $$dyncall when generating code for SOM runtime..
6083 2006-02-07 Dirk Mueller <dmueller@suse.com>
6085 PR c++/18150
6086 * doc/invoke.texi (-Wsequence-point): Update documentation
6087 that -Wsequence-point is implemented for C++ as well.
6089 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6091 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6092 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6093 (LIB_SPEC): Likewise.
6094 * doc/invoke.texi (SPARC options): Document -pthread.
6096 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6098 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6099 PIC addresses.
6101 2006-02-07 Roger Sayle <roger@eyesopen.com>
6103 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6104 Correct comment describing BOOLEAN_TYPE.
6106 2006-02-07 Dirk Mueller <dmueller@suse.com>
6108 * c.opt: C++ frontend supports -Wdiv-by-zero.
6109 * c-opts.c (c_common_handle_option): Remove dead case.
6111 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6113 * configure.ac (TLS assembler check): Do not enable TLS by
6114 default on SPARC/Solaris before version 10.
6115 * configure: Regenerate.
6117 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6119 * doc/invoke.texi (xl-compat): Document conversion and support
6120 routine names.
6122 2006-02-07 Jeff Law <law@redhat.com>
6124 * tree-vrp.c (find_conditional_asserts): Update comments.
6125 (simplify_stmt_for_jump_threading): New.
6126 (identify_jump_threads, finalize_jump_threads): New.
6127 (vrp_finalize): Call identify_jump_threads.
6128 (execute_vrp): Call finalize_jump_threads.
6129 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6130 (vrp_element, vrp_data, vrp_element_p): Remove.
6131 (vrp_hash_elt, vrp_variables_stack): Remove.
6132 (vrp_hash, vrp_eq, record_range): Remove.
6133 (simplify_cond_and_lookup_avail_expr): Remove.
6134 (extract_range_from_cond): Remove.
6135 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6136 (simplify_stmt_for_jump_threading): New.
6137 (dom_thread_across_edge): New wrapper.
6138 (tree_ssa_dominator_optimize): No longer initialize or
6139 finalize any of the VRP datastructures. Remove iteration
6140 step and simplify as a result of removal of iteration step.
6141 (pass_dominator): Perform a cfg cleanup after DOM.
6142 (dom_opt_finalize_block): Use the new common routines
6143 for threading jumps. Simplify stack management slightly.
6144 No longer need to unwind VRP state.
6145 (record_equivalences_from_incoming_edge): No longer record
6146 VRP information.
6147 (eliminate_redundant_computations): No longer call
6148 simplify_cond_and_lookup_avail_expr.
6149 * tree-flow.h (potentially_threadable_block): Prototype.
6150 (thread_across_edge): Likewise.
6151 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6152 (tree-ssa-threadedge.o): Add dependencies.
6153 * tree-ssa-threadedge.c: New file.
6154 * passes.c (init_optimization_passes): Merge PHIs before
6155 calling VRP. Run VRP again late in the SSA optimization pipeline.
6157 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6159 * df-core.c (df_set_blocks): Do not dereference function pointers.
6160 (df_finish1): Likewise.
6161 (df_hybrid_search_forward): Likewise.
6162 (df_hybrid_search_backward): Likewise.
6163 (df_iterative_dataflow): Likewise.
6164 (df_analyze_problem): Likewise.
6165 (df_compact_blocks): Likewise.
6166 (df_dump): Likewise.
6167 * df-scan.c (df_rescan_blocks): Likewise.
6168 (df_record_entry_block_defs): Likewise.
6170 * genconditions.c (write_conditions): Guard the definition of
6171 'insn_conditions' with the check on GCC version.
6172 (write_writer): Guard the traversal 'insn_conditions' with
6173 the check on GCC version.
6175 2006-02-07 Richard Guenther <rguenther@suse.de>
6177 PR c++/26140
6178 Revert
6179 2006-01-30 Richard Guenther <rguenther@suse.de>
6180 PR c++/23372
6181 * gimplify.c (gimplify_target_expr): Handle easy cases
6182 without creating a temporary.
6184 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6186 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6187 use of float in probability computations. Use edge probabilities
6188 in place of statically computed probabilities.
6189 (min_spec_prob): New static variable.
6190 (schedule_insns): Initialize it.
6191 (GET_SRC_PROB): Removed.
6192 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6194 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6196 PR debug/24444
6197 * config/ia64/unwind-ia64.c: Revert last change.
6198 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6199 (INCOMING_FRAME_SP_OFFSET): Define.
6201 2006-02-06 Roger Sayle <roger@eyesopen.com>
6203 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6205 2006-02-07 Ben Elliston <bje@au.ibm.com>
6207 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6208 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6209 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6210 (ix86_return_in_memory): Handle TDmode.
6211 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6212 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6214 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6216 * reorg.c (dbr_schedule): Use dump_file instead of file.
6218 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6220 PR target/25917
6221 * config/ia64/predicates.md (extr_len_operand): New predicate.
6222 * config/ia64/ia64.md (extv): Tighten constraints.
6223 (extzv): Ditto.
6224 (*tbit_and_2): Ditto.
6225 (*tbit_and_3): Ditto.
6226 (*tbit_or_2): Ditto.
6227 (*tbit_or_3): Ditto.
6228 (*bit_zero): Ditto.
6229 (*bit_one): Ditto.
6231 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6233 PR target/23359
6234 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6236 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6238 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6239 loop_optimizer_init and loop_optimizer_finalize
6240 * tree-ssa-sink.c (execute_sink_code): Ditto.
6241 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6242 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6243 tree_ssa_loop_done): Ditto.
6244 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6245 * sched-ebb.c: Include output.h.
6246 (schedule_ebbs): Do not use dump argument.
6247 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6248 * loop.c (loop_dump_stream): Removed.
6249 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6250 argument.
6251 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6252 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6253 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6254 loop_iterations, strength_reduce, record_biv, record_giv,
6255 final_giv_value, check_final_value, check_ext_dependent_givs,
6256 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6257 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6258 dump_file instead of loop_dump_stream.
6259 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6260 argument dump_file.
6261 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6262 dump argument.
6263 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6264 * haifa-sched.c: Include output.h
6265 (schedule_insns, sched_init): Do not use dump argument.
6266 * mode-switching.c (optimize_mode_switching): Ditto.
6267 * modulo-sched.c (stats_file): Removed.
6268 (print_node_sched_params): Do not call argument dump_file.
6269 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6270 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6271 of stats_file.
6272 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6273 use dump argument.
6274 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6275 rtl_loop_init, rtl_loop_done): Ditto.
6276 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6277 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6278 Ditto.
6279 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6280 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6281 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6282 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6283 * emit-rtl.c (renumber_insns): Ditto.
6284 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6285 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6286 * regclass.c (regclass): Ditto.
6287 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6288 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6289 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6290 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6291 Ditto.
6292 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6293 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6294 to regclass.
6295 * gcse.c (gcse_file, debug_stderr): Removed.
6296 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6297 rest_of_handle_gcse): Do not use dump argument.
6298 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6299 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6300 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6301 compute_code_hoist_vbeinout, compute_code_hoist_data,
6302 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6303 compute_store_table, build_store_vectors, insert_insn_start_bb,
6304 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6305 store_motion): Use dump_file instead of gcse_file.
6306 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6307 * profile.c (profile_dump_file): Removed.
6308 (branch_prob): Use dump_file instead of profile_dump_file.
6309 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6310 dump_file.
6311 * tree-ssa-copy.c (dump_copy_of): Ditto.
6312 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6313 dump file to life_analysis.
6314 * bt-load.c (branch_target_load_optimize): Ditto.
6315 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6316 renumber_insns.
6317 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6318 regclass, dbr_schedule): Declaration changed.
6319 * sched-int.h (sched_init): Declaration changed.
6320 * tree-profile.c (tree_profile_dump_file): Removed.
6321 (tree_profile_hooks): Removed profile_dump_file hook.
6322 * rtl-profile (rtl_profile_dump_file): Removed.
6323 (rtl_profile_hooks): emoved profile_dump_file hook.
6324 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6325 changed.
6326 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6327 * tree-cfg.c (build_tree_cfg): Ditto.
6328 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6329 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6330 Declaration changed.
6331 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6332 life_analysis and schedule_insns.
6333 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6334 life_analysis.
6335 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6336 dbr_schedule.
6337 * config/mips/mips.c (mips_reorg): Ditto.
6338 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6339 schedule_ebbs.
6341 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6343 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6344 (s390_mangle_fundamental_type): New.
6345 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6346 Define.
6348 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6349 (alpha_mangle_fundamental_type): New.
6350 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6351 Define.
6353 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6354 Define.
6355 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6356 Define.
6357 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6358 (sparc_mangle_fundamental_type): New.
6360 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6362 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6363 (s390x-*-linux*): Likewise.
6364 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6365 * config/s390/t-linux: New file.
6367 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6369 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6370 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6372 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6374 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6375 (ANTIC_SAFE_LOADS): New macro.
6376 (find_or_generate_expression): Add prototype.
6377 (set_contains_value): Allow null set for sake of not always having
6378 to allocate ANTIC_SAFE_LOADS.
6379 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6380 Allow COMPONENT_REF too.
6381 (valid_in_set): Allow COMPONENT_REF.
6382 Check ANTIC_SAFE_LOADS too.
6383 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6384 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6385 rename.
6386 (can_PRE_operation): Add COMPONENT_REF.
6387 (create_component_ref_by_pieces): New function.
6388 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6389 (insert_aux): Move AGGREGATE_TYPE_P check here.
6390 (compute_avail): Set bb local stmt uids.
6391 (pass_pre): Use TODO_update_ssa_only_virtuals.
6393 2006-02-06 Ben Elliston <bje@au.ibm.com>
6395 * configure.ac: Unconditionally disable decimal float by default.
6396 * configure: Regenerate.
6398 2006-02-06 Ben Elliston <bje@au.ibm.com>
6400 * read-rtl.c (read_name): Terminate reading on EOF.
6402 2006-02-06 Ben Elliston <bje@au.ibm.com>
6404 * dfp.c (decimal_real_arithmetic): Change second argument type
6405 from int to enum tree_code. Do not always return true, but now
6406 return result of any call to decimal_do helper functions.
6407 * dfp.h (decimal_real_arithmetic): Update prototype.
6409 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6411 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6413 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6415 PR tree-opt/25251
6416 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6417 forced labels.
6419 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6421 * tree-vrp.c (cfg_loops): Removed.
6422 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6423 Use current_loops instead of cfg_loops. Pass flags to
6424 loop_optimizer_init.
6425 * cfgloopmanip.c (fix_loop_structure): Update only available
6426 information.
6427 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6428 loop_optimizer_init.
6429 * modulo-sched.c (build_loops_structure): Removed.
6430 (sms_schedule): Use loop_optimizer_init.
6431 * loop-init.c (loop_optimizer_init): Use flags to determine
6432 which properties of loops to prepare.
6433 (rtl_loop_init): Pass flags to loop_optimizer_init.
6434 * tree-ssa-sink.c (execute_sink_code): Ditto.
6435 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6436 * tree-ssa-pre.c (init_pre): Ditto.
6437 * cfgloop.h (LOOPS_NORMAL): New.
6438 (loop_optimizer_init): Declaration changed.
6440 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6442 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6443 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6444 pa/t-pa.
6445 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6446 pa/t-pa.
6447 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6448 pa/x-ada.
6449 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6450 * pa/t-pa64: Delete quadlib.c rule.
6451 * pa/x-ada: Revert last change.
6452 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6454 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6456 PR rtl-optimization/26087
6457 * rtlanal.c (canonicalize_condition): Do not cross basic block
6458 boundaries.
6460 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6462 PR debug/24444
6463 * config/ia64/ia64.c: Include debug.h.
6464 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6465 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6466 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6467 (process_epilogue, process_set, process_for_unwind_directive):
6468 Output unwind info only if requested. Add CFA info if requested.
6469 Add new arguments as needed. Adjust callers.
6470 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6471 incorrect default.
6472 (DWARF2_FRAME_INFO): Define to zero.
6473 * config/ia64/unwind-ia64.c: Remove code that compensated for
6474 the CFA offset error fixed above.
6475 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6476 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6477 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6478 -funwind-tables and -fexceptions to enable frame info.
6479 (dwarf2out_frame_init): Define initial CFA even if
6480 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6481 DWARF2_UNWIND_INFO is nonzero, not just defined.
6482 (dwarf2out_frame_finish): Output non-EH call frame info only
6483 if DWARF2_FRAME_INFO is nonzero.
6484 (convert_cfa_to_loc_list,
6485 compute_frame_pointer_to_cfa_displacement): Define even if
6486 unwind info is not supported.
6487 (gen_subprogram_die): Use the above unconditionally. Remove
6488 legacy alternate code.
6489 * toplev.c (compile_file): Compile in call to
6490 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6491 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6493 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6494 Jakub Jelinek <jakub@redhat.com>
6496 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6497 IBM extended float format long double as "g" on powerpc*-linux.
6499 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6501 PR target/25926
6502 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6503 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6505 2006-02-03 Jason Merrill <jason@redhat.com>
6507 PR c++/25979
6508 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6510 PR middle-end/25977
6511 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6512 on the return slot if it's an NRV.
6514 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6516 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6517 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6518 rewrite_use): Do not handle USE_OUTER.
6519 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6520 add_iv_outer_candidates, may_replace_final_value,
6521 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6522 (find_interesting_uses_op): Functionality of
6523 find_interesting_uses_outer_or_nonlin moved here.
6524 (find_interesting_uses_outside): Use find_interesting_uses_op.
6526 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6528 PR target/25960
6529 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6531 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6532 Ulrich Weigand <uweigand@de.ibm.com>
6534 PR target/25864
6535 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6536 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6537 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6538 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6539 and dxr fields.
6540 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6541 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6542 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6543 Define secondary reloads for TFmode moves.
6544 (constant_modes): Add TFmode.
6545 (NR_C_MODES): Set to 8.
6546 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6547 builtin define.
6548 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6549 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6550 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6551 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6552 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6553 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6554 (FPR mode macro): Add TFmode.
6555 (DSF mode macro): New.
6556 (<de>, <dee> mode attributes): Removed.
6557 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6558 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6559 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6560 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6561 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6562 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6563 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6564 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6565 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6566 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6567 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6568 "*negabs<mode>2", "sqrt<mode>2"):
6569 Changed <de> to <xde>. R constraint replaced by <Rf>.
6570 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6571 <Rf>.
6572 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6573 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6574 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6575 splitters.
6576 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6577 "extenddftf2", "extendsftf2"): New expanders.
6578 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6579 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6580 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6581 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6582 New options.
6583 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6584 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6585 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6586 __floatditf): Add a GCC_4.1.0 symbol version tag.
6587 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6588 the new options.
6590 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6592 PR target/25377
6593 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6594 Use targetm.binds_local_p instead of TREE_PUBLIC.
6596 2006-02-02 Roger Sayle <roger@eyesopen.com>
6598 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6599 on INTEGER_TYPEs to indicate that it denotes a character type.
6600 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6601 signed_char_type_node, unsigned_char_type_node and char_type_node.
6602 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6603 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6604 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6606 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6607 Daniel Berlin <dberlin@dberlin.org>
6609 * tree-tailcall.c (arg_needs_copy_p): New function.
6610 (eliminate_tail_call): Use arg_needs_copy_p.
6611 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6612 (add_virtual_phis): New function.
6614 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6616 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6617 #ignore instead of #scratch for %g7 .register directive.
6619 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6621 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6622 object files.
6624 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6626 * flow.c (calculate_global_regs_live): Assert that there aren't any
6627 EDGE_FAKE edges.
6629 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6631 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6632 what its name says.
6633 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6634 bsi_after_labels iterator.
6635 * tree-if-conv.c (find_phi_replacement_condition,
6636 replace_phi_with_cond_modify_expr): Likewise.
6637 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6638 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6640 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6642 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6644 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6646 PR 25990
6647 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6648 array after growing it.
6650 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6652 PR middle-end/24901
6653 * fold-const.c (fold_checksum_tree): Change type of buf.
6655 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6657 * reload.c (push_secondary_reload): Initialize t_icode.
6659 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6661 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6662 -msoft-float -mlong-double-128 only issue a warning, but don't
6663 swich to DFmode long double.
6665 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6667 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6668 has a constant equivalent, iterate over equivalents for arg0,
6669 calling simplify_relational_operation and if there's a result
6670 cheaper than X, apply fold_rtx and return the result.
6672 2006-02-01 Jan Hubicka <jh@suse.cz>
6674 * opts.c (no_unit_at_a_time_default): New global variable.
6675 (decode_options): Use it.
6676 * opts.h (no_unit_at_a_time_default): Declare.
6678 2006-02-01 Paul Brook <paul@codesourcery.com>
6680 * function.c (assign_parm_setup_reg): Use function argument promotion
6681 rules.
6682 * expr.c (expand_expr_real_1): Use function argument promotion rules
6683 for PARM_DECLs.
6685 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6687 * gcc.c (process_command): Change j to 'unsigned int'.
6689 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6691 PR middle-end/26001
6692 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6693 Use the corrected index for the character
6694 out of the string constant.
6696 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6698 * mode-switching.c (optimize_mode_switching): Fix size
6699 allocated for bb_info[n_entities].
6701 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6703 * gcc.c (main): Correct type that is allocated for
6704 explicit_link_files.
6706 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6708 * config/s390/s390.c (init_alignment_context): Set
6709 ALIAS_SET_MEMORY_BARRIER on the MEM.
6710 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6712 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6714 PR middle-end/25933
6715 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6716 dom_bbs pointer.
6717 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6718 call to tpa_init.
6720 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6722 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6723 * regrename.c: Ditto.
6724 * tree-ssa-loop-im.c: Ditto.
6725 * tree-dump.c: Ditto.
6726 * tree-complex.c: Ditto.
6727 * genrecog.c: Ditto.
6728 * tree-ssa-threadupdate.c: Ditto.
6729 * tracer.c: Ditto.
6730 * java/class.c: Ditto.
6731 * java/jcf-parse.c: Ditto.
6732 * java/resource.c: Ditto.
6733 * java/except.c: Ditto.
6734 * java/jvspec.c: Ditto.
6735 * java/jcf-write.c: Ditto.
6736 * java/jcf-path.c: Ditto.
6737 * java/gjavah.c: Ditto.
6738 * java/zextract.c: Ditto.
6739 * java/jcf-io.c: Ditto.
6740 * java/jcf.h: Ditto.
6741 * java/buffer.c: Ditto.
6742 * java/lang.c: Ditto.
6743 * java/parse-scan.y: Ditto.
6744 * java/lex.c: Ditto.
6745 * java/lex.h: Ditto.
6746 * cfgloopmanip.c: Ditto.
6747 * postreload-gcse.c: Ditto.
6748 * tree-ssa-loop-manip.c: Ditto.
6749 * postreload.c: Ditto.
6750 * tree-ssa-loop-ch.c: Ditto.
6751 * loop.c: Ditto.
6752 * ipa-cp.c: Ditto.
6753 * cppspec.c: Ditto.
6754 * diagnostic.c: Ditto.
6755 * final.c: Ditto.
6756 * genoutput.c: Ditto.
6757 * gcc.c: Ditto.
6758 * cfghooks.c: Ditto.
6759 * cfgloopanal.c: Ditto.
6760 * objc/objc-act.c: Ditto.
6761 * gcov.c: Ditto.
6762 * genextract.c: Ditto.
6763 * genautomata.c: Ditto.
6764 * pretty-print.c: Ditto.
6765 * genemit.c: Ditto.
6766 * cgraphunit.c: Ditto.
6767 * flow.c: Ditto.
6768 * df-scan.c: Ditto.
6769 * haifa-sched.c: Ditto.
6770 * dominance.c: Ditto.
6771 * dbxout.c: Ditto.
6772 * tree-ssa-loop-ivopts.c: Ditto.
6773 * df-core.c: Ditto.
6774 * mode-switching.c: Ditto.
6775 * modulo-sched.c: Ditto.
6776 * graph.c: Ditto.
6777 * ipa-pure-const.c: Ditto.
6778 * cse.c: Ditto.
6779 * fix-header.c: Ditto.
6780 * web.c: Ditto.
6781 * tree-stdarg.c: Ditto.
6782 * ipa-utils.c: Ditto.
6783 * loop-init.c: Ditto.
6784 * ipa-inline.c: Ditto.
6785 * cfganal.c: Ditto.
6786 * global.c: Ditto.
6787 * alloc-pool.c: Ditto.
6788 * dwarf2out.c: Ditto.
6789 * opts.c: Ditto.
6790 * genattrtab.c: Ditto.
6791 * tree-ssa-loop-ivcanon.c: Ditto.
6792 * predict.c: Ditto.
6793 * timevar.c: Ditto.
6794 * lcm.c: Ditto.
6795 * fortran/gfortranspec.c: Ditto.
6796 * regmove.c: Ditto.
6797 * local-alloc.c: Ditto.
6798 * langhooks.c: Ditto.
6799 * function.c: Ditto.
6800 * tree-vectorizer.c: Ditto.
6801 * gcse.c: Ditto.
6802 * ipa-type-escape.c: Ditto.
6803 * alias.c: Ditto.
6804 * tree-if-conv.c: Ditto.
6805 * profile.c: Ditto.
6806 * ipa.c: Ditto.
6807 * tree-data-ref.c: Ditto.
6808 * loop-unroll.c: Ditto.
6809 * treelang/treetree.c: Ditto.
6810 * calls.c: Ditto.
6811 * bt-load.c: Ditto.
6812 * ggc-common.c: Ditto.
6813 * except.c: Ditto.
6814 * coverage.c: Ditto.
6815 * cselib.c: Ditto.
6816 * tree-cfgcleanup.c: Ditto.
6817 * tree-ssa-pre.c: Ditto.
6818 * cfgcleanup.c: Ditto.
6819 * loop-invariant.c: Ditto.
6820 * loop-iv.c: Ditto.
6821 * ipa-prop.c: Ditto.
6822 * print-tree.c: Ditto.
6823 * conflict.c: Ditto.
6824 * ggc-page.c: Ditto.
6825 * sched-deps.c: Ditto.
6826 * regclass.c: Ditto.
6827 * tree-object-size.c: Ditto.
6828 * combine.c: Ditto.
6829 * bb-reorder.c: Ditto.
6830 * resource.c: Ditto.
6831 * var-tracking.c: Ditto.
6832 * cfgloop.c: Ditto.
6833 * df-problems.c: Ditto.
6834 * reg-stack.c: Ditto.
6835 * tlink.c: Ditto.
6836 * gccspec.c: Ditto.
6837 * sched-rgn.c: Ditto.
6838 * tree-ssa-structalias.c: Ditto.
6839 * tree-ssa-reassoc.c: Ditto.
6840 * config/darwin-c.c: Ditto.
6841 * config/darwin.c: Ditto.
6842 * config/arm/arm.c: Ditto.
6843 * cfgrtl.c: Ditto.
6844 * collect2.c: Ditto.
6845 * reload1.c: Ditto.
6847 2006-01-31 Nicolas Pitre <nico@cam.org>
6849 * arm.md (smaxsi3): Make aware of smax_m1.
6850 (smax_m1): New.
6852 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6854 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6856 2006-01-31 Richard Guenther <rguenther@suse.de>
6858 * doc/invoke.texi (-msselibm): Document.
6859 * target.h (expand_library_builtin): New target hook.
6860 * builtins.c (expand_builtin): Use expand_library_builtin.
6861 (default_expand_library_builtin): New function.
6862 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6863 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6864 (link_gcc_math_spec): Declare.
6865 (static_specs): Add link_gcc_math_spec.
6866 * expr.h (default_expand_library_builtin): Declare.
6867 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6868 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6869 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6870 * config/i386/i386.opt (msselibm): New target option.
6871 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6872 (ix86_init_sse_abi_builtins): New function.
6873 (ix86_expand_library_builtin): Likewise.
6874 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6875 (override_options): Handle error conditions wrt -msselibm.
6876 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6877 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6878 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6879 builtins.
6881 2006-01-31 Richard Guenther <rguenther@suse.de>
6882 Paolo Bonzini <bonzini@gnu.org>
6884 * doc/install.texi (--disable-libgcc-math): Document.
6886 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6888 * expr.h (expand_normal): new inline function.
6889 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6890 * dojump.c: use it.
6891 * dwarf2out.c: use it.
6892 * expr.c: use it.
6893 * calls.c: use it.
6894 * expmed.c: use it.
6895 * except.c: use it.
6896 * config/sparc/sparc.c: use it.
6897 * config/i386/i386.c: use it.
6898 * config/rs6000/rs6000.c: use it.
6899 * config/arm/arm.c: use it.
6900 * config/mips/mips.c: use it.
6901 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6903 2006-01-30 Roger Sayle <roger@eyesopen.com>
6905 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6906 argv to the appropriate type.
6908 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6910 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6911 unreachable code.
6913 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6915 PR target/26018
6916 * config/s390/s390.c (struct machine_function): New flag
6917 decomposed_literal_pool_addresses_ok_p.
6918 (s390_reorg): Set it before final stage of literal pool transforms.
6919 (s390_decompose_address): Only accept displacements of the form
6920 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6922 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6924 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6925 the comparison routine return.
6927 2006-01-30 Michael Matz <matz@suse.de>
6929 * global.c (find_reg): Only evict for global regs.
6930 Take n_refs into account and dump more info.
6932 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6934 PR target/14798:
6935 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6936 (pragma_trap, pragma_nosave_low_regs): Likewise.
6937 (current_function_anonymous_args): Likewise.
6938 (sh_deferred_function_attributes): New variable.
6939 (sh_deferred_function_attributes_tail): Likewise.
6940 (print_operand): For '@', look up trap_exit attribute.
6941 (calc_live_regs): Look up trapa_handler attribute. For trapa
6942 handlers, save/restore fpscr, but don't do any other
6943 interrupt-specific saves.
6944 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6945 Fix check for partially saved registers to check for SHmedia.
6946 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6947 (sh_output_function_epilogue): Don't clear any of the removed
6948 variables.
6949 (sh_insert_attributes): Don't check pragma_interrupt.
6950 Insert deferred attributes. Check that interrupt attribute is
6951 present for other attributes that require its presence.
6952 (sh_attribute_table): Add new attributes trapa_handler and
6953 nosave_low_regs.
6954 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6955 Don't check for pragma_interrupt. Don't store argument.
6956 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6957 (sh_deferred_function_attributes): Declare.
6958 (sh_deferred_function_attributes_tail): Likewise.
6959 * sh.md (sp_switch_1): Add operand. Change generator caller.
6960 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6961 (*return_i): Don't use when trap_exit attribute is in effect.
6962 (*return_trapa): New insn pattern.
6963 * sh-c.c: New file.
6964 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6965 setting c_target_objs and cxx_target_objs.
6966 * t-sh: Add rule for sh-c.o.
6968 2006-01-30 Richard Guenther <rguenther@suse.de>
6970 PR c++/23372
6971 * gimplify.c (gimplify_target_expr): Handle easy cases
6972 without creating a temporary.
6974 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6976 * vec.h (safe_grow): Remove duplicated line.
6978 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6980 PR 25874
6981 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6982 (expand_omp): ... here.
6983 (expand_omp_parallel): Only remove barriers for combined
6984 parallel+workshare constructs.
6986 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6988 Revert
6990 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6991 * tree.c (build_qualified_type): Chain the new type to the original
6992 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6993 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6994 (build_pointer_type_for_mode): Only return unqualified types.
6995 (build_reference_type_for_mode): Likewise.
6997 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6999 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7000 * Makefile.in (CXX_COMPAT_WARN): Define.
7001 * configure: Regenerate.
7003 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7005 PR tree-opt/25911
7006 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7007 to an if check.
7009 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7011 * toplev.c: Fix thinko.
7013 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7014 Marcin Dalecki <martin@dalecki.de>
7016 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7017 (push_srcloc): Use XNEW.
7018 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7020 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7022 * df-core.c (df_set_blocks): Deleted all variable.
7024 2006-01-28 Ian Lance Taylor <ian@airs.com>
7026 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7027 cgraph_output_pending_asms.
7029 2006-01-28 Zack Weinberg <zackw@panix.com>
7031 * c.opt: Add -W(no-)overlength-strings.
7032 * doc/invoke.texi: Document it.
7033 * c-opts.c (c_common_handle_option): -pedantic implies
7034 -Woverlength-strings, if not explicitly disabled already.
7035 (c_common_post_options): -Woverlength-strings defaults to off, and
7036 is always off for C++.
7037 * c-common.c (fix_string_type): Issue warning about strings longer
7038 than is portable only if warn_overlength_strings. Rearrange code
7039 a little for clarity.
7040 * configure.in: Check for -Wno-overlength-strings as well before
7041 enabling -pedantic in stage 1.
7042 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7043 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7045 * genconditions.c (write_header, write_one_condition)
7046 (write_conditions, write_writer): Consolidate very long strings
7047 that were broken up to fit in C89 portable limit. Don't use
7048 printf when fputs will do.
7050 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7052 * combine.c (simplify_comparison <AND>): Check
7053 TRULY_NOOP_TRUNCATION before start using a subreg.
7055 * config/mips/mips.md (*branch_zero<mode>,
7056 *branch_zero<mode>_inverted, *branch_equality<mode>,
7057 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7058 Remove mode check from comparisons.
7060 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7062 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7064 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7066 * expmed.c (const_mult_add_overflow_p): Remove.
7067 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7069 * recog.c (validate_replace_rtx_subexp): Remove.
7070 * recog.h: Remove the prototype for
7071 validate_replace_rtx_subexp.
7073 * integrate.h: Remove the prototype for
7074 copy_decl_for_inlining.
7075 * rtl.h: Remove the prototype for mark_constant_function.
7076 * tree-vectorizer.h: Remove the prototype for
7077 vect_strip_conversion.
7079 * modulo-sched.c (create_partial_schedule,
7080 free_partial_schedule, reset_partial_schedule): Make them
7081 static.
7083 * hooks.c (hook_bool_rtx_int_false): Remove.
7084 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7086 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7088 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7089 and -mlong-double-128 are incompatible.
7090 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7091 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7092 (TARGET_LIBGCC2_CFLAGS): Define.
7093 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7094 (TARGET_LIBGCC2_CFLAGS): Same.
7095 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7097 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7099 PR c/19606.
7100 * c-typeck.c (build_binary_op): Perform implicit casts of
7101 operands before shortening them.
7103 * cfgloopmanip.c (split_loop_bb): Remove.
7104 * cfgloop.h: Remove the prototype for split_loop_bb.
7106 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7107 * cfgloop.h: Remove the prototype for
7108 flow_loop_outside_edge_p.
7110 * emit-rtl.c (init_virtual_regs): Make it static.
7111 * function.h: Remove the prototype for init_virtual_regs.
7113 * recog.c (peephole2_optimize): Make it static.
7114 * recog.h: Remove the prototype for peephole2_optimize.
7116 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7118 * df-scan.c (df_record_entry_block_defs): Check if
7119 INCOMING_RETURN_ADDR_RTX is defined.
7121 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7122 Kenneth Zadeck <zadeck@naturalbridge.com>
7124 PR rtl-optimization/24762
7125 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7126 * targhooks.c (hook_void_bitmap): New hook prototype.
7127 * targhoohs.h (hook_void_bitmap): Ditto.
7128 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7129 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7130 * target.h (live_on_entry): New function pointer.
7131 * df-scan.c (df_all_hard_regs): Removed.
7132 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7133 (df_scan_free_internal): Added df->entry_block_defs.
7134 (df_scan_alloc): Ditto.
7135 (df_scan_dump): Ditto.
7136 (df_uses_record): Plumbed flag field properly thru calls.
7137 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7138 This part fixes PR24762.
7139 (df_bb_refs_record): Added code to make the frame and arg
7140 pointers live in EH blocks.
7141 (df_refs_record): Added call to df_record_entry_block_defs.
7142 (df_record_entry_block_defs): New function.
7143 * df-core.c: Added comments to describe new artifical defs.
7144 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7145 (entry_block_defs): New field in struct df.
7146 (df_all_hard_regs): Deleted.
7147 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7148 * df-problems.c (df_ru_bb_local_compute_process_def):
7149 Added code to handle artifical defs in the entry to a function.
7150 (df_ru_bb_local_compute): Ditto.
7151 (df_rd_bb_local_compute_process_def): Ditto.
7152 (df_rd_bb_local_compute): Ditto.
7153 (df_lr_bb_local_compute): Ditto.
7154 (df_ur_bb_local_compute): Ditto.
7155 (df_urec_bb_local_compute): Ditto.
7156 (df_chain_create_bb): Ditto.
7157 (df_ur_local_finalize): Removed entry.
7158 (df_urec_init): Ditto.
7159 (df_urec_local_finalize): Ditto.
7160 (df_ri_bb_compute): Added detection of last use of pseudos.
7161 * Makefile.in (df-scan.o): Updated dependencies.
7162 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7163 * config/mips/mips.c (mips_set_live_on_entry): Added.
7164 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7165 for target hook.
7166 * dce.c (marked_insn_p): Added code to handle artifical defs.
7168 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7170 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7171 intrinsic.
7172 (_mm_cvtsi128_si64): Likewise.
7173 (_mm_cvtsd_si64): Likewise.
7174 (_mm_cvttsd_si64): Likewise.
7175 (_mm_cvtsi64_sd): Likewise.
7176 (_mm_cvtsi64_si128): Likewise.
7177 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7178 (_mm_cvtsi64_m64): Likewise.
7179 (_m_to_int64): Likewise.
7180 (_mm_cvtm64_si64): Likewise.
7181 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7182 (_mm_cvttss_si64): Likewise.
7183 (_mm_cvtsi64_ss): Likewise.
7184 (_mm_cvtss_f32): Likewise.
7186 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7188 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7189 for pragma redefine_extname.
7191 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7193 PR target/25864
7194 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7195 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7196 -mno-minimal-toc to previous content.
7197 (bispecs): Remove goal.
7198 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7199 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7200 compatibility aliases on powerpc-*-*gnu*.
7201 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7202 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7203 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7204 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7205 (ldblspecs): New goal.
7206 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7207 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7208 _df_to_tf.
7209 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7210 L_sf_to_tf or L_df_to_tf is defined.
7212 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7213 Alan Modra <amodra@bigpond.net.au>
7215 PR target/25864
7216 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7217 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7218 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7219 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7220 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7221 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7222 (rs6000_override_options): Initialize rs6000_ieeequad.
7223 Initialize TFmode format to ibm_extended_format if not
7224 TARGET_IEEEQUAD.
7225 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7226 ieeelongdouble.
7227 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7228 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7229 (function_arg_advance): IBM long double passed in two FPRs, not
7230 split.
7231 (function_arg): IBM long double passed in FPRs.
7232 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7233 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7234 Only multireg GPR aligned.
7235 (rs6000_init_libfuncs): Enable IBM long double functions if not
7236 IEEEQUAD.
7237 (rs6000_generate_compare): Use IBM long double compare if not
7238 TARGET_IEEEQUAD.
7239 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7240 (TARGET_IEEEQUAD): Define.
7241 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7242 not TARGET_IEEEQUAD.
7243 * config/rs6000/rs6000.md: Enable TFmode patterns if
7244 !TARGET_IEEEQUAD.
7245 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7246 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7247 and -mlong-double-128 are incompatible.
7248 * doc/invoke.texi (-mabi): Collect options together. Add
7249 ibmlongdouble and ieeelongdouble.
7251 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7253 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7254 opaque type.
7255 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7256 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7257 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7258 * rtl.h (rtunion_def): Remove rt_ptr.
7259 (X0PTR): Delete.
7260 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7261 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7262 * config/i386/winnt.c (i386_pe_mark_dllexport)
7263 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7265 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7267 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7269 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7271 PR other/24829
7272 PR target/24831
7273 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7274 pthread_key_delete. From John David Anglin. gthrw-ify
7275 pthread_getunique_np only if it it's not a macro. Delete
7276 UNUSED macro.
7277 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7278 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7279 __gthread_objc_condition_signal, __gthread_key_delete): Add
7280 "__attribute__ ((__unused__))" to unused arguments.
7281 (__gthread_recursive_mutex_init_function): Add missing return.
7282 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7283 gthr-posix95.h: Use macro-based approach for name redirection
7284 on targets missing weakref.
7286 2006-01-26 Zack Weinberg <zackw@panix.com>
7288 * genconditions.c (write_header): In generated code, #ifdef out
7289 all includes and fake declarations, except includes of bconfig.h
7290 and system.h, unless GCC_VERSION >= 3001. Do not include
7291 gensupport.h in any case.
7292 (write_conditions): Generate a definition of struct c_test. Add
7293 a comment to the generated #endif.
7294 (write_one_condition): Escape backslashes in string too.
7295 (write_writer): Generated code must escape backslashes and quote
7296 marks (but not newlines) in the strings it writes.
7297 * Makefile.in (build/gencondmd.o): Update dependencies.
7299 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7301 PR target/25961
7302 * Makefile.in (insn-automata.o): Add header file dependencies.
7303 * genautomata.c: Add includes.
7305 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7307 PR target/25961
7308 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7310 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7312 * configure.ac: Expect target tools paths to be passed from the toplevel
7313 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7314 AS_SET_VAR_IF.
7315 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7317 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7319 PR c/25892
7320 * c.opt (Wpointer-sign): Init to -1.
7321 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7322 OPT_pedantic, to 0 otherwise.
7323 * doc/invoke.texi: Update.
7325 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7327 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7328 constants provided by 80387 instructions in the destination mode.
7330 2006-01-26 Richard Guenther <rguenther@suse.de>
7331 Andrew Pinski <pinskia@physics.uc.edu>
7333 PR tree-opt/21470
7334 partial PR tree-opt/17064
7335 * tree-ssa-structalias.c (intra_create_variable_infos):
7336 Create heap variables for incoming parameters if
7337 flag_argument_noalias > 1.
7338 (find_what_p_points_to): Look through default defs of
7339 parameter decls.
7341 2006-01-26 Jeff Law <law@redhat.com>
7343 PR ada/25900
7344 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7345 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7346 within the VR_RANGE, use the VR_RANGE as the result, not the
7347 VR_ANTI_RANGE.
7348 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7349 bounds for the type.
7351 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7353 * tree-ssa-alias.c (maybe_create_global_var): Change
7354 subvar walking to an assertion that we don't have subvar'd variables.
7356 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7358 PR C/25861
7359 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7360 Use a new variable, inner. PARM_DECLs are always non-weak.
7362 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7364 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7365 --disable-checking.
7367 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7369 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7371 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7373 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7374 (smax_insn, smin_insn, smax_0, smin_0): New.
7376 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7378 PR target/25947
7379 * config/cris/cris.c (cris_order_for_addsi3): New function.
7380 * config/cris/cris-protos.h: Prototype it.
7381 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7382 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7383 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7384 (split for "op.S1 [rx=rx+i],ry (swapped)")
7385 (split for "op(s|u).S1 [rx=rx+i],ry")
7386 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7387 Apply cris_order_for_addsi3 when generating addsi3 insns.
7389 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7391 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7392 (TREE_BLOCK): Add call to EXPR_CHECK.
7394 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7396 PR 25886
7397 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7398 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7399 (dump_omp_clauses): ... here.
7400 (dump_generic_node): Handle OMP_CLAUSE.
7401 * tree.c (omp_clause_num_ops): New.
7402 (omp_clause_code_name): New.
7403 (tree_code_size): Handle OMP_CLAUSE.
7404 (tree_size): Likewise.
7405 (make_node): Document handling of OMP_CLAUSE.
7406 (tree_node_structure): Handle OMP_CLAUSE.
7407 (omp_clause_check_failed): New.
7408 (omp_clause_range_check_failed): New.
7409 (omp_clause_operand_check_failed): New.
7410 (build_omp_clause): New.
7411 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7412 * tree.h (enum omp_clause_code): Declare.
7413 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7414 (OMP_CLAUSE_RANGE_CHECK): Define.
7415 (OMP_CLAUSE_ELT_CHECK): Define.
7416 (omp_clause_check_failed): Declare.
7417 (omp_clause_operand_check_failed): Declare.
7418 (omp_clause_range_check_failed): Declare.
7419 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7420 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7421 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7422 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7423 (OMP_CLAUSE_IF_EXPR): Likewise.
7424 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7425 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7426 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7427 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7428 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7429 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7430 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7431 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7432 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7433 (OMP_CLAUSE_CODE): Define.
7434 (OMP_CLAUSE_SET_CODE): Define.
7435 (OMP_CLAUSE_CODE): Define.
7436 (OMP_CLAUSE_OPERAND): Define.
7437 (struct tree_omp_clause): Declare.
7438 (union tree_node): Add field 'omp_clause'.
7439 * treestruct.def (TS_OMP_CLAUSE): Define.
7440 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7441 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7442 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7443 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7444 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7445 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7446 (OMP_CLAUSE): Define.
7447 * print-tree.c (print_node): Handle OMP_CLAUSE.
7448 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7449 * c-typeck.c: Likewise.
7450 * gimplify.c: Likewise.
7451 * c-omp.c: Likewise.
7452 * tree-nested.c: Likewise.
7453 * tree-inline.c: Likewise.
7454 * c-parser.c: Likewise.
7455 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7456 clauses.
7458 2006-01-25 Roger Sayle <roger@eyesopen.com>
7460 PR rtl-optimization/25703
7461 * combine.c (try_combine): Handle zero_extract and strict_low_part
7462 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7464 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7466 * global.c: Fix comment typos.
7468 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7470 PR target/25758
7471 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7472 Use output_addr_const instead of assemble_name.
7474 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7476 * Makefile.in (sched-vis.o): Update dependencies.
7477 * haifa-sched.c (sched_finish): Clear current_sched_info.
7478 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7479 (dump_flow_info): Call it.
7480 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7481 a slim RTL dump.
7482 * basic-block.h (dump_bb_info): Declare.
7483 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7484 option, and apply options only for dump files whose TDF_RTL,
7485 TDF_TREE, or TDF_IPA bits match.
7486 * rtl.h: Declare new functions exported from sched-vis.c.
7487 * sched-vis.c: Enable also if scheduling is not used.
7488 (print_value): Print the mode of registers if not inside scheduling.
7489 (print_insn): Make it work outside the scheduler. Beautify the output
7490 a bit.
7491 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7493 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7495 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7496 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7497 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7498 depending on the value of CONSTANT_POOL_ADDRESS_P.
7499 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7500 SYMBOL_REF_DECL.
7501 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7502 rather than SYMBOL_REF_DECL.
7503 (rtx_constant_pool): Remove const_rtx_sym_htab.
7504 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7505 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7506 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7507 Remove handling of const_rtx_sym_htab.
7508 (find_pool_constant): Delete.
7509 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7510 rather than find_pool_constant.
7511 (get_pool_constant_for_function): Delete.
7512 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7513 find_pool_constant.
7514 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7515 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7516 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7517 (SYMBOL_REF_CONSTANT): New macro.
7518 (get_pool_constant_for_function): Delete.
7519 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7520 rather than SYMBOL_REF_DECL.
7521 (i386_pe_mark_dllimport): Likewise.
7522 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7523 rather than SYMBOL_REF_DECL.
7524 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7525 (machopic_indirect_call_target): Likewise.
7527 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7529 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7531 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7533 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7535 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7537 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7539 2006-01-24 David Daney <ddaney@avtrex.com>
7541 PR java/25816
7542 * configure.ac (enable_tls): New enable option.
7543 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7544 * configure: Regenerate.
7545 * doc/install.texi (--enable-tls): Document new option.
7546 (--disable-tls): Ditto.
7548 2006-01-24 Richard Henderson <rth@redehat.com>
7550 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7551 * alias.c (true_dependence): Respect it.
7552 (canon_true_dependence, write_dependence_p): Likewise.
7553 * builtins.c (get_builtin_sync_mem): Set it.
7555 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7557 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7558 efficient way.
7560 2006-01-24 DJ Delorie <dj@redhat.com>
7562 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7563 for storing constants in single-bit bitfields.
7565 2006-01-25 Ben Elliston <bje@au.ibm.com>
7567 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7569 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7571 PR tree-opt/25860
7572 * tree-ssa-pre.c (phi_translate): Return NULL
7573 for AGGREGATE_TYPE's.
7575 2006-01-24 Zack Weinberg <zackw@panix.com>
7577 * genautomata.c (process_state_for_insn_equiv_partition):
7578 Use xcalloc for insn_arcs_array.
7579 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7580 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7582 2006-01-24 Richard Henderson <rth@redhat.com>
7584 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7585 update all callers.
7587 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7589 PR rtl-optimization/25890
7590 PR rtl-optimization/25905
7591 * combine.c (expand_compound_operation, expand_field_assignment):
7592 Fail if the bitfield's final position is out of bounds.
7594 2006-01-24 Ian Lance Taylor <ian@airs.com>
7596 PR middle-end/25930
7597 * cgraphunit.c (cgraph_output_in_order): Don't clear
7598 cgraph_asm_nodes until after asm strings have been output.
7600 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7602 * fix-header.c (read_scan_file): Add new parameter imultilib when
7603 calling register_include_chains.
7605 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7607 * omp-low.c: Update documentation.
7609 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7610 Daniel Berlin <dberlin@dberlin.org>
7612 PR tree-opt/25315
7613 PR tree-opt/25857
7614 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7615 return from the function.
7617 2006-01-22 Zack Weinberg <zackw@panix.com>
7619 * rtl.def (match_code): Add second argument.
7620 * genpreds.c (write_extract_subexp): New function.
7621 (write_match_code): Add path argument. Use write_extract_subexp.
7622 (write_predicate_expr): Pass path to write_match_code.
7623 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7624 not perform a mode test.
7625 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7626 a subexpression does not constrain the top-level code set.
7627 * read-rtl.c (read_rtx_variadic): New function.
7628 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7629 * doc/md.texi: Document new notation.
7630 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7631 (cmpsi_operand): ... here, using new notation.
7633 2006-01-22 Zack Weinberg <zackw@panix.com>
7635 * varray.c: Remove GENERATOR_FILE #ifdefs.
7637 2006-01-22 Zack Weinberg <zackw@panix.com>
7639 * genautomata.c (output_reserved_units_table): Emit nothing if
7640 description->query_units_num is zero. Remove extra blank line.
7641 (output_cpu_unit_reservation_p): Short circuit
7642 if description->query_units_num is zero.
7644 2006-01-22 Zack Weinberg <zackw@panix.com>
7646 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7647 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7648 nor any of the random handful of variables that used to be necessary
7649 when this program was linked with rtlanal.o. Prune set of forward
7650 function declarations.
7651 (struct attr_desc): Remove static_p field.
7652 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7653 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7654 (attr_string): Do not read the character one past the length of
7655 the string.
7656 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7657 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7658 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7659 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7660 (make_automaton_attrs): New.
7661 (main): Do not call into genautomata. Call local gen_bypass
7662 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7663 Remove special case for insn_alts.
7664 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7665 varray.h (leftover from previous change). Prune set of forward
7666 function declarations. Remove state_alts fields from all
7667 structures. Remove state_alts_table from struct automaton.
7668 Make everything except main static. Do not maintain num_dfa_decls.
7669 Do not maintain state_alts fields of various structures.
7670 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7671 (add_arc): Remove state_alts argument. All callers updated.
7672 (output_reserved_units_table): Emit #ifdef here...
7673 (output_tables): ...not here. Don't generate state_alts tables.
7674 (expand_automata): Don't generate attributes.
7675 (write_automata): Don't generate state_alts functions.
7676 (main): New function.
7677 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7678 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7679 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7680 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7681 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7682 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7683 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7684 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7685 Delete.
7686 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7687 * genattrtab.h: Delete file.
7688 * Makefile.in (OBJS-common): Add insn-automata.o.
7689 (insn-automata.o): New rule.
7690 (simple_generated_c): Add insn-automata.c.
7691 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7692 (genprogmd): Add automata.
7693 (build/genattrtab): Needs no extra objects nor libraries.
7694 (build/genautomata): Needs build/vec.o and -lm.
7696 2006-01-22 Zack Weinberg <zackw@panix.com>
7698 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7699 (output_dfa_max_issue_rate, locked_states_num): Delete.
7700 (struct automaton): Add locked_states field.
7701 (output_dead_lock_vect): Save number of locked states in
7702 automaton->locked_states. If it is zero, don't print anything.
7703 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7704 (output_internal_dead_lock_func): Only test the dead_lock_vect
7705 for automata that have locked states.
7706 (output_statistics): Always print the number of locked states for
7707 each automaton. Calculate total number of locked states here.
7708 (write_automata): Don't call output_dfa_max_issue_rate.
7709 * genattrtab.c: Define length_unit_log as a const variable.
7710 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7711 max_insn_queue_index const.
7712 * final.c (length_unit_log): Declare const.
7713 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7715 2006-01-22 Zack Weinberg <zackw@panix.com>
7717 * genautomata.c: Include vec.h, not varray.h.
7718 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7719 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7720 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7721 VEC_* macros operating on appropriately typed vectors, or to
7722 malloced arrays when the size is known in advance. Const-ify
7723 many char* variables and function arguments. No functional changes.
7724 * Makefile.in (build/varray.o): Delete rule.
7725 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7726 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7728 2006-01-22 Zack Weinberg <zackw@panix.com>
7730 * gensupport.c: Define get_insn_name and record_insn_name here.
7731 (read_md_rtx): Call record_insn_name as appropriate.
7732 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7733 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7734 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7735 record_insn_name.
7736 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7737 (BUILD_VARRAY): Delete.
7738 (genprognormal): Rename genprogmd. Fold in all programs from
7739 genprognoprint; also attrtab.
7740 (build/genattrtab): Just mention genautomata.o and varray.o.
7741 Reorganize a bit, add comments to make the categories clearer.
7743 2006-01-22 Zack Weinberg <zackw@panix.com>
7745 * genconditions.c (condition_table, add_condition): Delete.
7746 (write_conditions): Don't emit n_insn_conditions nor
7747 insn_elision_unavailable. Issue the gcc version #ifdef here,
7748 inside the table, with no #else clause ...
7749 (write_header): ...not here.
7750 (write_writer): New function.
7751 (main): Don't initialize condition_table. Use add_c_test.
7752 Call write_writer.
7753 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7754 files on the command line.
7755 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7756 Return -1 if there is no entry in the table, don't abort.
7757 (add_c_test, traverse_c_tests): New functions.
7758 * gensupport.h (insn_elision_unavailable, insn_conditions)
7759 (n_insn_conditions): Delete declarations.
7760 (add_c_test, traverse_c_tests): Declare.
7761 * read-rtl.c: Include gensupport.h.
7762 (read_conditions): New function.
7763 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7764 (read_rtx_1): If we get EOF when we were looking for an initial
7765 open paren, return 0. Call read_conditions when appropriate.
7766 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7767 dummy-conditions.o. Eliminate references to insn-conditions.o,
7768 or change them to build/gencondmd.o, as appropriate. Remove
7769 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7770 from $(simple_generated_c). For all files remaining in those
7771 two lists, add insn-conditions.md to the generator command line.
7772 Give insn-constants.h/s-constants their own rules. Add rules
7773 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7774 (build/read-rtl.o): Depend on gensupport.h.
7775 (genprognormal): Include preds.
7776 (genprogearly): Rename genprognoprint; only difference is now that
7777 they don't link with $(BUILD_PRINT).
7778 * dummy-conditions.c: Delete.
7780 2006-01-22 Zack Weinberg <zackw@panix.com>
7782 * genextract.c: Don't include insn-config.h. Do include vec.h.
7783 Declare vectors of int, char, and locstr.
7784 (locstr): New typedef.
7785 (struct extraction): Make all array fields into bare pointers.
7786 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7787 (insn_code_number): Delete.
7788 (accum_extract): New struct.
7789 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7790 (gen_insn): Take insn_code_number as an argument. Use an
7791 accum_extract structure instead of loading data directly into
7792 a struct extraction, and having to know how big it might get.
7793 (walk_rtx): Operate entirely on an accum_extract structure.
7794 (print_path): Avoid unnecessary use of printf.
7795 (print_header): New function, split out of main. Distinguish
7796 more carefully between an unrecognizable insn and an insn that
7797 has the code number of a define_expand.
7798 (main): Pass insn_code_number to gen_insn. Call print_header
7799 only after parsing. Avoid unnecessary use of printf.
7800 * Makefile.in (build/vec.o): New rule.
7801 (build/genextract): Depend on build/vec.o.
7802 (build/genextract.o): Don't depend on insn-config.h.
7804 2006-01-22 Zack Weinberg <zackw@panix.com>
7806 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7807 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7808 practical. Eliminate per-generator-program link rules.
7810 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7812 PR middle-end/24437
7813 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7814 with a call expr to ...
7815 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7817 2006-01-23 Richard Guenther <rguenther@suse.de>
7819 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7820 before make_edge with conditional EDGE_TRUE_VALUE.
7822 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7823 Jan Hubicka <jh@suse.cz>
7824 Richard Guenther <rguenther@suse.de>
7826 PR rtl-optimization/25654
7827 * cfgexpand.c (aggregate_contains_union_type): New function.
7828 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7829 for structure variables that contain a union type.
7831 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7833 * gengtype.c (new_structure): Return the structure.
7834 (create_option): Add an extra "next" argument.
7835 (create_field): New function.
7836 (adjust_field_rtx_def): Use create_option and create_field.
7837 Remove a now-unnecessary call to find_structure.
7838 (adjust_field_tree_def): Likewise.
7839 (note_yacc_type): Remove an unnecessary call to find_structure.
7840 * gengtype.h (new_structure): Return the structure.
7841 (create_option): Add an extra argument.
7842 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7843 (option): Adjust calls to create_option.
7845 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7847 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7849 2006-01-22 Paul Brook <paul@codesourcery.com>
7850 Peter Barada <peter@the-baradas.com>
7852 * config/m68k/m68k.md: Add Coldfire FPU support.
7853 Define FP mode macro and associated attributes.
7854 Use it for float mode patterns.
7855 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7856 (LIBCALL_VALUE): Use m68k_libcall_value.
7857 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7858 (m68k_function_value): Ditto.
7859 (emit_move_sequence): Ditto.
7860 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7861 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7862 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7863 (MULTILIB_EXCEPTIONS): Ditto.
7864 * config/m68k/m68k.opt: Add mcfv4e.
7865 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7866 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7867 (m68k_output_function_prologue): Save ColdFire FPU registers.
7868 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7869 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7870 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7871 ColdFire FPU registers.
7872 (m68k_libcall_value, m68k_function_value): New functions.
7873 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7874 (LIBCALL_VALUE): Use m68k_libcall_value.
7875 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7876 (MASK_COLDFIRE): Add MASK_CFV4E.
7877 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7878 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7879 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7880 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7881 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7882 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7883 * doc/invoke.tex: Document -mcfv4e on m68k.
7885 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7887 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7888 URL.
7890 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7892 PR c++/16190
7893 * c-opts.c (c_common_handle_option): Don't include
7894 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7895 * doc/invoke.texi (C++ Dialect Options): Document that
7896 -Wnon-virtual-dtor is no longer included in -Wall.
7898 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7900 * gcov.c (print_version), gcov-dump.c (print_version),
7901 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7902 dates.
7904 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7906 * df-scan.c (problem_SCAN): Added NULL reset function.
7907 (df_scan_reset_blocks): Added code to call reset block function
7908 (df_bb_refs_delete) Fixed comment.
7909 (df_insn_refs_delete): Made tolerant of deleting non existent info
7910 for dataflow problems that need to be reset.
7911 * df-core.c (df_set_blocks): Ditto.
7912 * df.h (struct df_problem): Added reset_fun.
7913 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7914 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7915 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7916 functions to clear out all references to def-use or use-def chains.
7918 2006-01-21 Ben Elliston <bje@au.ibm.com>
7920 * varasm.c (assemble_real): Initialise data array.
7922 2006-01-20 Paul Brook <paul@codesourcery.com>
7924 Merge from csl-arm-branch.
7925 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7926 * config/arm/arm.md (movdi): Force operands[1] to a register
7927 if we have a non-register source.
7928 (*arm_movdi, *movdf_soft_insn): Require that one of the
7929 operands be a register.
7930 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7931 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7933 2006-01-20 DJ Delorie <dj@redhat.com>
7935 * varasm.c (initialize_constant_valid_p): Allow pointers
7936 initialized from integer constants of lesser precision.
7937 (output_constant): Allow non-int-sized pointer modes to be
7938 initialized from integer constants.
7940 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7942 PR libstdc++/25524
7943 * cppdefault.h (struct default_include): Add multilib flag.
7944 * cppdefault.c (cpp_include_defaults): Set it.
7945 * c.opt (-imultilib): New option.
7946 * c-opts.c (imultilib): New.
7947 (c_common_handle_option): Handle -imultilib.
7948 (c_common_post_options): Likewise.
7949 * c-incpath.c (add_standard_paths, register_include_chains):
7950 Likewise.
7951 * c-incpath.h (register_include_chains): Add extra parameter.
7952 * gcc.c (do_spec_1): Generate -imultilib option.
7953 (The Specs Language): Update %I description.
7954 (process_command): Update copyright notice.
7955 * doc/cppopts.texi (-imultilib): Document.
7956 * doc/invoke.texi (-imultilib): Include in option summary.
7957 (%I): Update specs documentation.
7959 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7961 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7963 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7965 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7966 label numbers.
7968 2006-01-20 Richard Guenther <rguenther@suse.de>
7969 Steven Bosscher <stevenb.gcc@gmail.com>
7971 PR rtl-optimization/24626
7972 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7973 EDGE_TRUE_VALUE if in RTL mode.
7975 Revert
7976 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7977 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7979 2006-01-20 Dirk Mueller <dmueller@suse.com>
7981 PR c++/5520
7982 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7983 instead of a special NOP marker.
7984 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7985 NOP marker handling.
7986 * c-common.h (empty_body_warning): Add forward declaration.
7987 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7988 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7990 2006-01-20 Paul Brook <paul@codesourcery.com>
7992 * Makefile.in (lang_checks): Keep going if mkdir fails.
7994 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7996 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7997 be able to clean out basic block when not necessary.
7998 (df_scan_free): Fixed to properly delete information if df is
7999 unused before calling df_finish.
8000 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8001 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8002 or comment typos.
8003 (df_bb_refs_delete): New function.
8004 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8005 * df-core.c (df_set_blocks): Added code to properly clean out
8006 unused blocks if they are not part of the blocks to consider.
8007 Added additional null check.
8008 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8009 be able to clean out basic block when not necessary
8010 * df.h (df_free_bb_function): Ditto.
8011 (df_bb_refs_delete): New function.
8012 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8013 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8014 basic block parameter to be able to clean out basic block when not
8015 necessary.
8016 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8017 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8018 Fixed to properly delete information if df is unused before
8019 calling df_finish.
8021 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8023 PR rtl-optimization/25799
8024 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8025 Corrected confluence operator to remove bits from op2 before oring
8026 with op1 rather than removing bits from op1.
8027 (df_ru_transfer_function): Corrected test on wrong bitmap which
8028 caused infinite loop. Both of these problems were introduced in
8029 the dataflow rewrite.
8031 2006-01-19 DJ Delorie <dj@redhat.com>
8033 * reload1.c (find_reload_regs): Note the details of reload
8034 failures in the dump file.
8035 (spill_failure): Likewise.
8037 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8039 * loop-iv.c: Include df.h and hashtab.h.
8040 (enum iv_grd_result): New enum.
8041 (DF_REF_IV, DF_REF_IV_SET): New macros.
8042 (struct biv_entry): New.
8043 (df, bivs): New global variables.
8044 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8045 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8046 Removed.
8047 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8048 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8049 analyzed_for_bivness_p, record_biv): New functions.
8050 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8051 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8052 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8053 UD chains.
8054 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8055 analysed.
8056 (iv_number_of_iterations): Use new interface to iv analysis.
8057 * loop-unroll.c: Do not include varray.h.
8058 (analyze_iv_to_split_insn): Use new interface to iv
8059 analysis.
8060 * loop-unswitch.c (may_unswitch_on): Ditto.
8061 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8062 allocated.
8063 (df_bb_modify): Realloc tables to the new index.
8064 (df_find_use): New function.
8065 * df.h (df_find_use): Declare.
8066 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8067 outmode.
8068 * cfgloop.h (struct rtx_iv): Remove analysed field.
8069 (iv_get_reaching_def): Removed.
8070 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8071 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8072 (loop-iv.o): Add df.h and hashtab.h dependency.
8073 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8075 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8077 PR target/25668
8078 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8079 Double TFmode.
8080 (__floatundisf, __floatundidf): Likewise.
8081 * libgcc2.h (IS_IBM_EXTENDED): Define.
8083 2006-01-19 DJ Delorie <dj@redhat.com>
8085 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8087 2006-01-19 Paul Brook <paul@codesourcery.com>
8089 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8090 as nothrow when unwinding tables are disabled.
8092 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8094 PR testsuite/25171
8095 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8096 of bit-field" when in system header.
8098 2006-01-19 DJ Delorie <dj@redhat.com>
8100 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8101 the 16 bit shift limit of the m16c.
8103 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8105 PR target/22099
8106 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8107 * config/i386/i386.c (output_set_got): Output the label if we have one
8108 for the TARGET_DEEP_BRANCH_PREDICTION case.
8110 2006-01-19 Jan Hubicka <jh@suse.cz>
8111 H.J. Lu <hongjiu.lu@intel.com>
8112 Evandro Menezes <evandro.menezes@amd.com>
8114 * invoke.texi (generic): Document
8115 (i686) Update.
8116 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8117 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8118 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8119 (x86_use_incdec, x86_pad_returns): New variables
8120 (TARGET_CPU_DEFAULT_generic): New constant
8121 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8122 (enum processor_type): Add generic32 and generic64.
8123 * i386.md (cpu attribute): Add generic32/generic64
8124 (movhi splitter): Behave sanely when both partial_reg_dependency and
8125 partial_reg_stall are set.
8126 (K8 splitters): Enable for generic as well.
8127 * predicates.md (incdec_operand): Use TARGET_INCDEC
8128 (aligned_operand): Avoid memory mismatch stalls.
8129 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8130 * ppro.md: Enable for generic32
8131 * i386.c (generic64_cost, generic32_cost): New.
8132 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8133 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8134 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8135 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8136 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8137 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8138 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8139 x86_accumulate_outgoing_args, x86_prologue_using_move,
8140 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8141 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8142 Enable for generic.
8143 (x86_use_incdec, x86_pad_returns): New.
8144 (override_options): Add generic32 and generic64, translate "generic"
8145 to generic32/generic64 and "i686" to "generic32", refuse
8146 "generic32"/"generic64" as arch target.
8147 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8148 (ix86_reorg): Honor PAD_RETURNS.
8150 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8152 * tree-pretty-print.c (dump_generic_node): Handle
8153 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8154 * cgraph.c (cgraph_expand_queue): Rename from
8155 cgraph_analyze_queue. Update all users.
8156 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8157 cgraph_expand_queue.
8158 (cgraph_expand_all_functions): Likewise.
8159 (cgraph_finalize_pending_functions): Remove. Update callers.
8161 * tree.h (OMP_DIRECTIVE_P): Define.
8162 (OMP_PARALLEL_FN): Define.
8163 (OMP_PARALLEL_DATA_ARG): Define.
8164 (OMP_SECTIONS_SECTIONS): Define.
8165 * tree-pass.h (pass_expand_omp): Declare.
8166 * omp-low.c (struct omp_region): Declare.
8167 (struct omp_context): Remove fields 'parallel_type',
8168 'parallel_start_ix' and 'parallel_start_additional_args'.
8169 Update all users.
8170 (struct omp_for_data): Rename from struct expand_omp_for_data.
8171 (omp_regions): New static variable.
8172 (root_omp_region): New static variable.
8173 (find_omp_clause): Make static.
8174 (is_in_combined_parallel_ctx): Remove.
8175 (is_combined_parallel): New.
8176 (extract_omp_for_data): Move earlier in the file.
8177 (workshare_safe_to_combine_p): New.
8178 (get_ws_args_for): New.
8179 (determine_parallel_type): Move earlier in the file.
8180 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8181 child function.
8182 (omp_copy_decl): Likewise.
8183 (create_omp_child_function): Likewise.
8184 (lookup_omp_region): New.
8185 (dump_omp_region): New.
8186 (debug_omp_region): New.
8187 (debug_all_omp_regions): New.
8188 (new_omp_region): New.
8189 (scan_omp_parallel): If parallel_nesting_level > 1, the
8190 directive is nested within another parallel directive.
8191 Set OMP_PARALLEL_FN.
8192 (scan_omp_for): Do not try to handle combined parallel+for
8193 cases.
8194 Remove FIXME comment.
8195 (scan_omp_nested): Remove.
8196 (scan_omp_1): Do not call scan_omp_nested when
8197 parallel_nesting_level is > 1.
8198 Do not change the DECL_CONTEXT of local variables found.
8199 (lookup_decl_in_outer_ctx): New.
8200 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8201 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8202 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8203 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8204 If CTX is nested, lookup VAR in the outer context when
8205 building copy assignment.
8206 (lower_send_clauses): Rename from expand_send_clauses.
8207 If CTX is nested, lookup VAR in the outer context when
8208 building copy assignments.
8209 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8210 If CTX is nested, lookup VAR in the outer context when
8211 building copy assignments.
8212 (expand_parallel_call): Rename from build_parallel_call.
8213 Handle combined parallel+workshare cases.
8214 Re-implement to emit code into the CFG.
8215 (list2chain): New.
8216 (expand_omp_parallel): Re-implement to emit code into the CFG.
8217 Call move_sese_region_to_fn to outline the sub-graph
8218 containing the parallel region.
8219 (expand_omp_for_1): Remove.
8220 (expand_omp_for_generic): Re-implement to emit code into the
8221 CFG.
8222 (expand_omp_for_static_nochunk): Likewise.
8223 (expand_omp_for_static_chunk): Likewise.
8224 (expand_omp_for): Likewise.
8225 (expand_omp_sections): Likewise.
8226 (remove_exit_barriers): New.
8227 (expand_omp_synch): New.
8228 (expand_omp): New.
8229 (build_omp_regions_1): New.
8230 (build_omp_regions): New.
8231 (execute_expand_omp): New.
8232 (gate_expand_omp): New.
8233 (pass_expand_omp): Define.
8234 (lower_omp_sections): Rename from expand_omp_sections.
8235 Set OMP_SECTIONS_SECTIONS.
8236 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8237 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8238 (lower_omp_single): Rename from expand_omp_simple.
8239 (lower_omp_master): Rename from expand_omp_master.
8240 (lower_omp_ordered): Rename from expand_omp_ordered.
8241 (lower_omp_critical): Rename from expand_omp_critical.
8242 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8243 (lower_omp_for): Re-implement.
8244 (lower_omp_parallel): Re-implement.
8245 (lower_regimplify): Rename from expand_regimplify.
8246 (lower_omp_1): Rename from expand_omp_1.
8247 If there are syntax errors in the program, replace every
8248 OpenMP directive with NOP.
8249 Call lower_omp_* instead of expand_omp_*.
8250 (lower_omp): Rename from expand_omp.
8252 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8253 * tree-gimple.h (enum omp_parallel_type): Remove.
8254 (gimple_boolify): Declare extern.
8255 (find_omp_clause, determine_parallel_type): Remove.
8257 * gimple-low.c (lower_omp_directive): New.
8258 (lower_stmt): Call it.
8259 (record_vars_into): Move from ...
8260 (record_vars): ... here.
8261 Call record_vars_into with current_function_decl.
8263 * gimplify.c (struct gimplify_ctx): Remove fields
8264 combined_pre_p and combined_ctxp. Update users.
8265 (get_formal_tmp_var): Add documentation.
8266 (gimple_boolify): Make extern.
8267 (gimplify_expr_in_ctx): Remove. Update callers.
8268 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8269 will always be a BIND_EXPR.
8270 (gimplify_expr): Handle OMP_RETURN_EXPR.
8271 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8272 (OMP_PARALLEL): Add 3 operands.
8273 (OMP_SECTIONS): Add 1 operand.
8274 (OMP_RETURN_EXPR): Define.
8276 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8277 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8278 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8279 creating a circular free list.
8280 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8282 * tree-flow.h (move_sese_region_to_fn): Declare.
8283 (record_vars_into): Declare.
8284 * tree-cfg.c (make_omp_sections_edges): New.
8285 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8286 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8287 OMP_SECTIONS and OMP_SECTION.
8288 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8289 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8290 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8291 (gather_blocks_in_sese_region): New.
8292 (struct move_stmt_d): Declare.
8293 (move_stmt_r): New.
8294 (move_block_to_fn): New.
8295 (move_sese_region_to_fn): New.
8297 * passes.c (init_optimization_passes): Schedule
8298 pass_expand_omp after pass_init_datastructures.
8300 * tree-ssa-operands.c (get_expr_operands): Handle
8301 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8302 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8304 2006-01-19 Jeff Law <law@redhat.com>
8306 * tree-vrp.c (extract_range_from_assert): Refine the result range
8307 if the variable referenced by the ASSERT_EXPR has a range and
8308 either the tentative result range or the previous range is a
8309 VR_ANTI_RANGE.
8311 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8313 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8315 2006-01-19 Jan Hubicka <jh@suse.cz>
8317 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8319 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8321 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8322 (expand_compound_operation, expand_field_assignment): Fail if the
8323 bit lengths of an extract operation are out of range.
8324 (make_extraction): Compute wanted_inner_mode based on the position
8325 and length of the extraction. Make it extraction_mode for non-constant
8326 positions, and do not modify offset in that case. When generating a
8327 new MEM, use a mode that can hold the extraction while keeping correct
8328 alignment. Remove code that supported MEMs wrapped by USEs.
8329 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8331 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8333 * config/s390/s390.md ("Y", "y"): New mode attribute.
8334 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8335 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8336 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8337 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8338 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8339 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8340 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8341 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8342 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8343 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8344 "addsi3", "subsi3"): Insn patterns removed.
8345 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8346 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8347 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8348 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8349 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8350 "*sub<mode>3_cconly2"): New insn patterns.
8351 ("addsi3", "subsi3"): New expanders.
8353 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8355 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8356 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8357 existing STMT_VINFO_VECTYPE if available.
8358 (vect_mark_relevant): Add special handling for stmts that are
8359 marked as STMT_VINFO_IN_PATTERN_P.
8360 (vect_analyze_loop): Call vect_pattern_recog.
8361 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8362 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8363 stmt_info.
8364 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8365 (vect_recog_func_ptr): New function-pointer type.
8366 * tree-vect-patterns.c: New file.
8367 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8368 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8369 (vect_pattern_recog_1): New functions.
8370 (vect_pattern_recog_funcs): New array of function pointers.
8372 * tree-vectorizer.h (ternary_op): New enum value.
8373 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8374 declaration. Revised documentation. Removed redundant dump prints.
8375 Removed redundant argument. Added support for reduction patterns.
8376 (vectorizable_reduction): Added support for reduction patterns.
8377 (vect_transform_stmt): Added support for patterns.
8379 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8380 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8381 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8382 (expand_widen_pattern_expr): New function.
8383 (init_optabs): Initialize new optabs udot_prod_optab,
8384 sdot_prod_optab.
8385 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8386 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8387 (expand_widen_pattern_expr): New function declaration.
8388 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8389 tree-codes.
8390 * tree-inline.c (estimate_num_insns_1): Added cases for new
8391 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8392 * tree-pretty-print.c (dump_generic_node): Likewise.
8393 (op_prio): Likewise.
8394 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8395 * tree-ssa-operands.c (get_expr_operands): Added case for
8396 DOT_PROD_EXPR.
8397 * tree-vect-patterns.c (widened_name_p): New function.
8398 (vect_recog_dot_prod_pattern): Added function implementation.
8399 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8400 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8401 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8402 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8404 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8405 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8406 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8407 (init_optabs): Initialize new optabs widen_ssum_optab,
8408 widen_usum_optab.
8409 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8410 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8411 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8412 use instead of type of def.
8413 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8414 function implementation.
8415 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8416 widen_ssumv8hi): New.
8418 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8419 patterns.
8421 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8423 PR c/25805
8424 * c-decl.c (add_flexible_array_elts_to_size): New function.
8425 (finish_decl): Use it.
8427 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8429 * diagnostic.h: Include options.h.
8430 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8431 dependancies for diagnostic.h.
8432 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8434 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8436 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8437 (ssa_ro_call_cache_valid): Ditto.
8438 * tree-ssa-alias.c (sort_tags_by_id): New function.
8439 (init_transitive_clobber_worklist): Ditto.
8440 (add_to_worklist): Ditto.
8441 (mark_aliases_call_clobbered): Ditto.
8442 (compute_tag_properties): Ditto.
8443 (set_initial_properties): Ditto.
8444 (compute_call_clobbered): Ditto.
8445 (compute_may_aliases): Call compute_call_clobbered and grouping.
8446 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8447 (compute_flow_insensitive_aliasing): Grouping now happens in our
8448 caller.
8449 (setup_pointers_and_addressables): Remove clobbering related code.
8450 (add_may_alias): Ditto.
8451 (replace_may_alias): Ditto.
8452 (get_nmt_for): Ditto.
8453 (create_global_var):
8454 (is_escape_site): Return an escape_type enumeration.
8455 * tree-flow-inline.h (is_call_clobbered): Global var does not
8456 imply call clobbered.
8457 (mark_call_clobbered): Take a reason for marking this. Remove
8458 marking of globalness, and cache invalidation.
8459 (clear_call_clobbered): Remove cache invalidation code.
8460 * tree-dfa.c (dump_variable): If details is on, dump the reason
8461 for escaping.
8462 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8463 variable.
8464 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8465 (struct var_ann_d): Ditto.
8466 (enum escape_type): New.
8467 (mark_call_clobbered): Adjust prototype.
8468 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8469 are never call clobbered.
8470 Record reasons for escaping.
8471 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8472 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8473 (ssa_ro_call_cache_valid): Ditto.
8474 (clobbered_v_may_defs): Ditto.
8475 (clobbered_vuses): Ditto.
8476 (ro_call_vuses): Ditto.
8477 (clobber_stats): New.
8478 (init_ssa_operands): Zero out clobber stats.
8479 (fini_ssa_operands): Print out clobber stats.
8480 (get_call_expr_operands): Pass callee fndecl to
8481 add_call_read_ops).
8482 (add_call_clobber_ops): Remove use of cache.
8483 Add use of PURE_CONST information.
8484 (add_call_read_ops): Remove use of cache.
8485 Add use of static not_read information.
8487 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8489 Introduce TLS descriptors for i386 and x86_64.
8490 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8491 (TARGET_ANY_GNU_TLS): New macro.
8492 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8493 (struct machine_function): Add tls_descriptor_call_expanded_p.
8494 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8495 (ix86_current_function_calls_tls_descriptor): Likewise.
8496 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8497 (override_options): Introduce gnu2 tls dialect.
8498 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8499 not leaves.
8500 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8501 Likewise.
8502 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8503 (ix86_init_machine_status): Initialize new field.
8504 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8505 (ix86_tls_module_base): New.
8506 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8507 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8508 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8509 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8510 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8511 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8512 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8513 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8514 * config/i386/predicates.md (tls_modbase_operand): New.
8515 (tp_or_register_operand): New.
8517 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8519 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8520 (look_for_address_of): Ditto.
8521 (ipa_init): Walk the function decls.
8522 (static_execute): Don't set readonly on FUNCTION_DECL's.
8524 2006-01-18 Roger Sayle <roger@eyesopen.com>
8526 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8527 for shifts where the source and destination registers are different.
8529 2006-01-18 Paul Brook <paul@codesourcery.com>
8531 Merge from csl-arm-branch.
8532 2005-03-14 Julian Brown <julian@codesourcery.com>
8533 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8534 (aeabi_llsl): Likewise.
8535 (ashrdi3): Likewise.
8536 (aeabi_lasr): Likewise.
8537 (lshrdi3): Likewise.
8538 (aeabi_llsr): Likewise.
8539 2005-03-10 Julian Brown <julian@codesourcery.com>
8540 * config.gcc: Disable shared libgcc for SymbianOS.
8541 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8543 2006-01-18 DJ Delorie <dj@redhat.com>
8545 * c-pragma.c (handle_pragma_diagnostic): New.
8546 (init_pragma): Register it.
8547 * doc/extend.texi: Document it.
8549 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8550 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8551 (diagnostic_context): Add classify_diagnostic[].
8552 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8553 as errors if they're overridden to DK_WARNING.
8554 (diagnostic_initialize): Initialize classify_diagnostic[].
8555 (diagnostic_set_kind_override): New.
8556 (diagnostic_report_diagnostic): Check for kind changes.
8557 * opts.c (common_handle_option): Take lang_mask. Update callers.
8558 Handle OPT_Werror_.
8559 * common.opt (Werror=): New.
8560 * doc/invoke.texi: Document -Werror=*
8562 2006-01-18 Jeff Law <law@redhat.com>
8564 * tree-vrp.c (test_for_singularity): Correct test for new
8565 min limit. Use operand_equal_p rather than pointer equality
8566 for testing if new min/max values are equal.
8568 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8569 using range information until after propagation and folding.
8571 2006-01-18 Richard Henderson <rth@redhat.com>
8572 Aldy Hernandez <aldyh@redhat.com>
8573 Jakub Jelinek <jakub@redhat.com>
8574 Diego Novillo <dnovillo@redhat.com>
8576 * omp-low.c: New file.
8577 * c-omp.c: New file.
8579 2006-01-18 Richard Henderson <rth@redhat.com>
8580 Jakub Jelinek <jakub@redhat.com>
8581 Diego Novillo <dnovillo@redhat.com>
8583 * doc/invoke.texi: Document -fopenmp.
8584 * tree-dump.h (debug_function): Declare.
8585 * hooks.c (hook_bool_tree_bool_false): New function.
8586 (hook_tree_tree_null): Remove.
8587 (hook_tree_tree_tree_null): New.
8588 * hooks.h: Update to match.
8589 * tree-pretty-print.c (debug_tree_chain): New.
8590 (print_generic_expr): Handle TDF_CHAIN.
8591 (dump_generic_node): Handle BLOCK.
8592 Do not abort with incomplete SWITCH_EXPRs.
8593 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8594 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8595 print space after directive name.
8596 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8597 Handle OMP_MASTER and OMP_ORDERED.
8598 Handle printing of OMP_BODY just in one place, goto
8599 dump_omp_body in the rest of OMP_* nodes that have
8600 OMP_BODY.
8601 Don't handle clause nodes here. Update omp statements to
8602 use dump_omp_clauses.
8603 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8604 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8605 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8606 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8607 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8608 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8609 Adjust output for GOMP_PARALLEL.
8610 (dump_omp_clauses): New.
8611 (print_declaration): Dump DECL_VALUE_EXPR.
8612 (op_symbol_1): Split out of op_symbol.
8613 (dumping_stmts): Remove. Update all users.
8614 * cgraph.c (cgraph_analyze_queue): New.
8615 (cgraph_add_new_function): New.
8616 * cgraph.h (cgraph_analyze_queue): Declare.
8617 (cgraph_add_new_function): Declare.
8618 (cgraph_lower_function): Remove.
8619 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8620 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8621 and TYPE_P nodes in its default clause.
8622 (empty_body_p): New.
8623 (tree_range_check_failed): New.
8624 (build5_stat): New.
8625 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8626 OMP_CLAUSE_REDUCTION_MERGE,
8627 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8628 OMP_CLAUSE_PRIVATE_DEBUG,
8629 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8630 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8631 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8632 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8633 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8634 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8635 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8636 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8637 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8638 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8639 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8640 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8641 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8642 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8643 (TREE_RANGE_CHECK): New.
8644 (empty_body_p): Declare.
8645 (enum omp_clause_default_kind): New.
8646 (build_string_literal): Declare.
8647 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8648 (build5_stat, build5): Declare.
8649 * tree-pass.h (TDF_CHAIN): Define.
8650 * tree-pass.h (PROP_gimple_lomp): Define.
8651 (pass_lower_omp): Declare.
8652 * diagnostic.h (debug_tree_chain): Declare.
8653 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8654 mode_for_size.
8655 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8656 * builtins.c (build_string_literal): Make extern.
8657 * gcc.c (include_spec_function): New.
8658 (static_spec_functions): Add it.
8659 (main): Move load of libgomp.spec ...
8660 (LINK_COMMAND_SPEC): ... here.
8661 (link_gomp_spec): New.
8662 (static_specs): Include it.
8663 (LINK_COMMAND_SPEC): Add link_gomp.
8664 (GOMP_SELF_SPECS): New.
8665 (driver_self_specs): Include it.
8666 (switch_matches): Don't mark inline.
8667 (main): Load libgomp.spec.
8668 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8669 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8670 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8671 * tree-gimple.h (enum omp_parallel): Declare.
8672 (determine_parallel_type): Declare.
8673 (omp_firstprivatize_variable): Declare.
8674 (omp_reduction_init): Declare.
8675 (diagnose_omp_structured_block_errors): Declare.
8676 (struct walk_stmt_info): Add want_return_expr.
8677 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8678 (find_omp_clause): Declare.
8679 (insert_field_into_struct): Declare.
8680 (struct walk_stmt_info): Move from tree-nested.c
8681 (walk_stmts): Declare.
8682 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8683 to 200505.
8684 * cgraphunit.c (cgraph_lower_function): Make static.
8685 (cgraph_finalize_pending_functions): New.
8686 (cgraph_finalize_function): Call it.
8687 (cgraph_finalize_compilation_unit): Likewise.
8688 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8689 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8690 (BT_FN_UINT_UINT): New.
8691 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8692 DEF_FUNCTION_TYPE_VAR_4): Document.
8693 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8694 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8695 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8696 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8697 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8698 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8699 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8700 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8701 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8702 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8703 into separate files.
8704 (DEF_GOMP_BUILTIN): New.
8705 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8706 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8707 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8708 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8709 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8710 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8711 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8712 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8713 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8714 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8715 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8716 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8717 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8718 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8719 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8720 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8721 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8722 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8723 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8724 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8725 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8726 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8727 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8728 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8729 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8730 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8731 * sync-builtins.def: New file, moved from builtins.def.
8732 * omp-builtins.def: New file, moved from builtins.def.
8733 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8734 * gimple-low.c (lower_function_body): Clear data.
8735 (lower_stmt): Do not handle COMPOUND_EXPR.
8736 Remove call to print_node_brief.
8737 * c-tree.h (c_finish_omp_clauses): New prototype.
8738 (C_DECL_THREADPRIVATE_P): Define.
8739 (lookup_name_no_remap, c_omp_remap_private): Remove
8740 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8741 (check_for_loop_decls): Update decl.
8742 (lookup_name_no_remap, c_omp_remap_private): Declare.
8743 (build_indirect_ref, build_modify_expr, pushdecl,
8744 pushdecl_top_level): Move to c-common.h.
8745 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8746 before the switch, but just in the 2 places that need it.
8747 * c-decl.c (diagnose_mismatched_decls): Do not check for
8748 mismatched thread-local attributes when OLDDECL is marked
8749 threadprivate and NEWDECL has no thread-local attributes.
8750 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8751 (c_gimple_diagnostics_recursively): Rename from
8752 c_warn_unused_result_recursively. Invoke
8753 diagnose_omp_structured_block_errors.
8754 (check_for_loop_decls): Return a singular decl found.
8755 * langhooks.c (lhd_omp_predetermined_sharing): Return
8756 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8757 (lhd_omp_firstprivatize_type_sizes): New.
8758 (lhd_omp_assignment): New.
8759 (lhd_omp_predetermined_sharing): New.
8760 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8761 (struct lang_hooks_for_types): Add
8762 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8763 omp_predetermined_sharing, omp_disregard_value_expr,
8764 omp_private_debug_clause, omp_clause_default_ctor,
8765 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8766 (c_finish_omp_clauses): New.
8767 (c_finish_bc_stmt): Diagnose break within omp for.
8768 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8769 (build_unary_op): Return error_mark after reporting
8770 a readonly_error.
8771 (build_modify_expr): Likewise.
8772 * gimplify.c: Include optabs.h and pointer-set.h.
8773 (enum gimplify_omp_var_data): Declare.
8774 (struct gimplify_omp_ctx): Declare.
8775 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8776 and combined_ctxp.
8777 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8778 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8779 (splay_tree_compare_decl_uid): New.
8780 (new_omp_context): New.
8781 (delete_omp_context): New.
8782 (gimple_add_tmp_var): Call omp_add_variable.
8783 (gimplify_bind_expr): Likewise.
8784 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8785 true, disregard DECL_VALUE_EXPR on the decl if any.
8786 (gimplify_expr_in_ctx): New.
8787 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8788 omp_add_variable, omp_notice_variable, omp_is_private
8789 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8790 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8791 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8792 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8793 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8794 gimplify_omp_atomic): New.
8795 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8796 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8797 OMP_CRITICAL and OMP_ATOMIC.
8798 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8799 * c-pragma.h (enum pragma_kind): Add
8800 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8801 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8802 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8803 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8804 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8805 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8806 PRAGMA_OMP_THREADPRIVATE.
8807 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8808 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8809 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8810 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8811 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8812 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8813 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8814 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8815 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8816 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8817 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8818 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8819 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8820 OpenMP directives.
8821 (struct nesting_info): Add field_map,
8822 suppress_expansion, debug_var_chain.
8823 (create_nesting_tree): Initialize them.
8824 (lookup_field_for_decl): Use field_map.
8825 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8826 (convert_local_omp_clauses): New.
8827 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8828 (walk_body): Split out of walk_function.
8829 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8830 (convert_nonlocal_reference): Handle omp statements.
8831 (convert_local_reference): Likewise.
8832 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8833 (unnest_nesting_tree): New.
8834 (lower_nested_functions): Call it.
8835 (insert_field_into_struct): Make extern.
8836 (struct walk_stmt_info): Move to tree-gimple.h.
8837 (walk_stmts): Make extern.
8838 * omp-builtins.def: New file.
8839 * tree-iterator.c (expr_only): Clarify comment.
8840 * c-common.h (pushdecl_top_level, pushdecl,
8841 build_modify_expr, build_indirect_ref,
8842 c_finish_omp_master, c_finish_omp_critical,
8843 c_finish_omp_ordered, c_finish_omp_barrier,
8844 c_finish_omp_atomic, c_finish_omp_flush,
8845 c_finish_omp_for, c_split_parallel_clauses,
8846 omp_clause_default_kind, c_omp_sharing_predetermined,
8847 c_omp_remap_decl): Declare.
8848 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8849 (OBJS-common): Add omp-low.o.
8850 (c-omp.o, omp-low.o): Add.
8851 (gimplify.o): Add dependency on $(OPTABS_H).
8852 (GTFILES): Add omp-low.c.
8853 (gt-stringpool.h): Add.
8854 * tree-cfg.c (set_bb_for_stmt): Do not update the
8855 block-to-labels map if we are currently expanding to RTL.
8856 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8857 checks.
8858 Handle IDENTIFIER_NODE.
8859 (tree_verify_flow_info): Do not ICE when emitting error
8860 messages about invalid labels.
8861 (dump_function_to_file): Reset CFUN before emitting the body
8862 of the function.
8863 (debug_function): New.
8864 * passes.c (init_optimization_passes): Schedule
8865 pass_lower_omp.
8866 * langhooks-def.h (lhd_omp_predetermined_sharing,
8867 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8868 Declare.
8869 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8870 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8871 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8872 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8873 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8874 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8875 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8876 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8877 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8878 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8879 (LANG_HOOK_DECLS): Use them.
8881 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8882 Richard Henderson <rth@redhat.com>
8883 Jakub Jelinek <jakub@redhat.com>
8884 Diego Novillo <dnovillo@redhat.com>
8886 * c-parser.c (pragma_omp_clause): Define.
8887 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8888 (c_parser_compound_statement): Likewise.
8889 (c_parser_statement): Likewise.
8890 (c_parser_pragma): Handle omp pragmas.
8891 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8892 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8893 (c_parser_omp_clause_name, check_no_duplicate_clause,
8894 c_parser_omp_variable_list,
8895 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8896 c_parser_omp_clause_copyprivate,
8897 c_parser_omp_clause_default,
8898 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8899 c_parser_omp_clause_lastprivate,
8900 c_parser_omp_clause_nowait,
8901 c_parser_omp_clause_num_threads,
8902 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8903 c_parser_omp_clause_reduction,
8904 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8905 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8906 c_parser_omp_atomic, c_parser_omp_barrier,
8907 c_parser_omp_critical, c_parser_omp_flush,
8908 c_parser_omp_for_loop, c_parser_omp_for,
8909 c_parser_omp_master, c_parser_omp_ordered,
8910 c_parser_omp_sections_scope, c_parser_omp_sections,
8911 c_parser_omp_parallel, c_parser_omp_single,
8912 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8913 * c-pragma.c (init_pragma): Do omp pragma registration here.
8914 * c.opt (fopenmp): New flag.
8916 2006-01-18 Eric Christopher <echristo@apple.com>
8918 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8919 * config/darwin.h (GOMP_SELF_SPECS): Define.
8921 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8923 * rtl.h: Remove the prototype for reg_alloc.
8925 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8927 PR target/25731
8928 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8929 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8930 sjlj and dwarf2 exception handling.
8931 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8932 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8933 * pa/pa.c (function_value): Treat complex and vector types as
8934 aggregates.
8935 (function_arg): Likewise. Only pass scalar floats in the floating
8936 point argument registers.
8937 * pa/t-slibgcc-dwarf-ver: New file.
8938 * pa/t-slibgcc-sjlj-ver: New file.
8939 * pa/t-slibgcc-elf-ver: Delete file.
8941 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8943 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8944 unlikely_test_section_p test.
8946 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8948 * mode-switching.c (optimize_mode_switching): Make it static.
8949 * basic-block.h: Remove the prototype for
8950 optimize_mode_switching.
8952 * modulo-sched.c (sms_schedule): Make it static.
8953 * rtl.h: Remove the prototype for sms_schedule.
8955 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8956 * rtl.h: Remove the prototype for gcse_after_reload_main.
8958 * reg-stack.c (reg_to_stack): Make it static.
8959 * rtl.h: Remove the prototype for reg_to_stack.
8961 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8962 Make them static.
8963 * rtl.h: Remove the prototypes for regrename_optimize and
8964 copyprop_hardreg_forward.
8966 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8968 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8969 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8970 Test against the appropriate null constant for the mode.
8971 If 'fixup_overlap' is true, swap the operands if they overlap.
8972 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8973 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8974 alpha_split_tmode_pair and adjust for above change.
8975 * config/alpha/alpha.md (movtf_internal): Adjust call to
8976 alpha_split_tfmode_pair and rely on it to swap the operands.
8977 (movti_internal): New insn and post-reload splitter.
8978 (movti): New expander.
8980 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8982 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8983 operands.
8985 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8987 * rtlanal.c (global_reg_mentioned_p_1,
8988 global_reg_mentioned_p): Remove.
8989 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8991 * flow.c (initialize_uninitialized_subregs): Make it static.
8992 * rtl.h: Remove the prototype for
8993 initialize_uninitialized_subregs.
8995 * function.c (instantiate_virtual_regs): Make it static.
8996 * function.h: Remove the prototype for
8997 instantiate_virtual_regs.
8999 * regmove.c (regmove_optimize, combine_stack_adjustments):
9000 Make them static.
9001 * rtl.h: Remove the prototypes for regmove_optimize and
9002 combine_stack_adjustments.
9004 2006-01-17 Roger Sayle <roger@eyesopen.com>
9006 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9007 (size_cost): Encode costs in bytes so that a reg-reg addition is
9008 equivalent to COSTS_N_INSNS(1).
9009 (override_options): Use the size_cost.branch_cost as the default
9010 ix86_branch_cost when optimizing for size.
9012 2006-01-18 Ben Elliston <bje@au.ibm.com>
9014 * Makefile.in (D32PBIT_FUNCS): New.
9015 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9016 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9017 D64PBIT_FUNCS and D128PBIT_FUNCS.
9018 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9019 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9020 D128PBIT are set.
9021 (decnumber_dep): Define.
9022 * doc/libgcc.texi (Decimal float library routines): New node.
9023 * config/dfp-bit.h, config/dfp-bit.c: New files.
9025 2006-01-18 Ben Elliston <bje@au.ibm.com>
9027 * expr.c (emit_move_change_mode): Always adjust addresses, not
9028 just during reload. Copy replacements only during reload.
9029 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9030 emit_move_via_integer.
9032 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9034 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9035 instead of $(srcdir) and ${srcdir}.
9037 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9039 PR target/592
9040 PR middle-end/11135
9041 * arm.h (struct machine_function): Add pic_reg.
9042 * arm.c (arm_pic_register): Make unsigned.
9043 (arm_override_options): Only set arm_pic_register if
9044 TARGET_SINGLE_PIC_BASE.
9045 (use_return_insn): Only test for a pic register if it is fixed.
9046 (arm_compute_save_reg0_reg12_mask): Likewise.
9047 (thumb_compute_save_reg_mask): Likewise.
9048 (legitimate_pic_operand): Factor out some known invariants.
9049 (legitimize_pic_address): If we don't have a fixed pic register,
9050 then set up a pseudo in the function entry sequence. Handle the
9051 pic base being in a pseudo.
9052 (arm_load_pic_register): Handle the pic register being in a pseudo.
9053 (arm_expand_prologue): Only set up the pic register if it is fixed.
9054 (thumb_expand_prologue): Likewise.
9055 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9056 (pic_load_addr_based_insn): Likewise.
9057 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9058 fixed.
9060 2006-01-18 Ben Elliston <bje@au.ibm.com>
9062 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9063 decimal float modes for all floating point registers.
9065 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9066 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9068 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9070 PR c/25682
9071 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9072 even when the pointer is not NULL.
9074 2006-01-16 Ian Lance Taylor <ian@airs.com>
9076 * common.opt (ftoplevel-reorder): New option.
9077 * cgraph.c (cgraph_asm_nodes): New global variable.
9078 (cgraph_asm_last_node): New static variable.
9079 (cgraph_order): New global variable.
9080 (cgraph_create_node): Set new order field.
9081 (cgraph_varpool_node): Likewise.
9082 (decide_is_variable_needed): Return true if not
9083 flag_toplevel_reorder.
9084 (cgraph_add_asm_node): New function.
9085 * cgraph.h (struct cgraph_node): Add order field.
9086 (struct cgraph_varpool_node): Add order field.
9087 (struct cgraph_asm_node): Define.
9088 (cgraph_asm_nodes, cgraph_order): Declare.
9089 (cgraph_add_asm_node): Declare.
9090 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9091 function.
9092 (cgraph_varpool_assemble_pending_decls): Call it.
9093 (cgraph_output_pending_asms): New static function.
9094 (cgraph_finalize_compilation_unit): Call it.
9095 (struct cgraph_order_sort): Define.
9096 (cgraph_output_in_order): New static function.
9097 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9098 !flag_toplevel_reorder case.
9099 * c-parser.c: Include "cgraph.h".
9100 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9101 assemble_asm.
9102 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9103 than -fno-unit-at-a-time.
9104 * doc/invoke.texi (Option Summary): Mention
9105 -fno-toplevel-reorder.
9106 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9107 -funit-at-a-time documentation.
9109 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9110 Kazu Hirata <kazu@codesourcery.com>
9112 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9114 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9116 * Makefile.in (FUNCTION_H): New. Use it instead of
9117 function.h throughout the file.
9118 * function.h: Include tree.h.
9120 2006-01-17 Ben Elliston <bje@au.ibm.com>
9122 * recog.c: Separate some functions with whitespace.
9124 2006-01-16 Richard Henderson <rth@redhat.com>
9126 Merge from gomp branch:
9127 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9128 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9129 and rename from struct inline_data. Rename callee* to dst*;
9130 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9131 transform_new_cfg, transform_return_to_modify, and
9132 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9133 update_clones_p.
9134 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9135 (copy_decl_for_dup): Remove.
9136 * tree-inline.c (struct inline_data): Move to header.
9137 (insert_decl_map): Export.
9138 (remap_decl): Update for member name changes. Use copy_decl hook.
9139 Allow for replacement to be a non-decl. Remove dead code.
9140 (remap_type_1): Check for existing mapping.
9141 (remap_type): Export.
9142 (remap_decls): Update for member name changes.
9143 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9144 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9145 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9146 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9147 (tree_function_versioning, build_duplicate_type): Likewise.
9148 (copy_body_r): Likewise. Export.
9149 (copy_decl_for_dup): Split into ...
9150 (copy_decl_for_dup_finish, copy_decl_to_var,
9151 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9152 (replace_ref_tree, inlining_p): Remove.
9154 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9156 * ifcvt.c (if_convert): Make it static.
9157 * rtl.h: Remove the prototype for if_convert.
9159 * local-alloc.c (local_alloc): Make it static.
9160 * rtl.h: Remove the prototype for local_alloc.
9162 * loop.c (loop_optimize): Make it static.
9163 * cfgloop.h: Remove the prototype for loop_optimize.
9164 * rtl.h: Likewise.
9166 2006-01-16 DJ Delorie <dj@redhat.com>
9168 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9169 mems.
9171 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9173 * pa.md: Disparage copies between general and floating-point registers
9174 in 32-bit move patterns.
9176 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9178 PR testsuite/25741
9179 * Makefile.in (check-%): Depend on site.exp instead of
9180 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9181 directories.
9183 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9185 * global.c (global_alloc): Make it static.
9186 * rtl.h: Remove the prototype for global_alloc.
9188 2006-01-16 Richard Guenther <rguenther@suse.de>
9190 * tree-ssa-alias.c (struct used_part): Add write_only field.
9191 (get_or_create_used_part_for): Initialize it to true.
9192 (create_overlap_variables_for): Don't create structure variables
9193 for structures that only are written to.
9194 (find_used_portions): Handle MODIFY_EXPR to track whether a
9195 structure is only written to.
9197 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9199 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9200 static.
9201 * basic-block.h: Remove the prototype for
9202 partition_hot_cold_basic_blocks.
9204 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9206 * cppspec.c (lang_specific_spec_functions): Remove.
9207 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9208 * gcc.h (lang_specific_spec_functions): Remove.
9209 * gccspec.c (lang_specific_spec_functions): Remove.
9211 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9213 * combine.c (record_value_for_reg): Invalidate registers
9214 if INSN is null.
9215 (record_dead_and_set_regs_1): Likewise, by passing them to
9216 record_value_for_reg.
9217 (record_dead_and_set_regs): Invalidate stores made by a
9218 call. We do not combine across a call, but we still
9219 relied on equivalences.
9221 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9223 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9224 vrp_int_const_binop returning non-constant nodes.
9226 2006-01-16 Paul Brook <paul@codesourcery.com>
9228 * config/m68k/m68k.c (output_move_const_into_data_reg):
9229 Output correct mnemonic for mvz and mvs.
9231 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9233 * rtl-factoring.c: Add sequence abstraction algorithm.
9234 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9235 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9236 ABNORMAL edges.
9237 (block_has_preserve_label): New function.
9238 * common.opt: Register new pass.
9239 * Makefile.in: Ditto.
9240 * passes.c: Ditto.
9241 * timevar.def: Ditto.
9242 * tree-pass.h: Ditto.
9243 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9244 * rtl.h (make_jump_insn_raw): Add forward decl.
9245 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9247 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9248 Roger Sayle <roger@eyesopen.com>
9250 * fold-const.c (fold_minmax): New static function.
9251 (fold_binary) <MIN_EXPR>: Call it.
9252 <MAX_EXPR>: Likewise.
9253 * stor-layout.c (place_field): Use DECL_SIZE consistently
9254 in the computation of the new record size.
9256 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9258 * cse.c (cse_condition_code_reg): Make it static.
9259 * rtl.h: Remove the prototype for cse_condition_code_reg.
9261 * combine.c (combine_instructions): Make it static.
9262 * rtl.h: Remove the prototype for combine_instructions.
9264 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9266 PR target/25168
9267 * tree.c (get_file_function_name_long): Concatenate the first global
9268 object name with a string derived from the input filename of the object
9269 for type "F".
9271 2006-01-16 Ben Elliston <bje@au.ibm.com>
9273 * config/i386/winnt-stubs.c: Update FSF address.
9274 * config/xtensa/ieee754-df.S: Ditto.
9275 * config/xtensa/ieee754-sf.S: Ditto.
9277 2006-01-14 Ian Lance Taylor <ian@airs.com>
9279 * ifcvt.c (noce_init_if_info): New static function, broken out of
9280 noce_process_if_block.
9281 (noce_process_if_block): Call noce_init_if_info.
9282 (check_cond_move_block): New static function.
9283 (cond_move_process_if_block): New static function.
9284 (process_if_block): Call cond_move_process_if_block.
9286 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9288 * cselib.c (hash_table): Rename to cselib_hash_table.
9289 (cselib_clear_table, discard_useless_values,
9290 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9291 cselib_init, cselib_finish): Adjust uses of hash_table.
9293 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9295 PR tree-optimization/25485
9296 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9297 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9298 is known to be false and true, respectively.
9300 2006-01-14 Richard Guenther <rguenther@suse.de>
9302 PR tree-optimization/22548
9303 PR tree-optimization/22555
9304 PR tree-optimization/22501
9305 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9306 * params.def (salias-max-array-elements): New parameter.
9307 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9308 * doc/invoke.texi (salias-max-array-elements): Document.
9309 * tree-flow-inline.h (var_can_have_subvars): We also handle
9310 arrays now.
9311 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9312 COMPONENT_REF.
9313 * tree-ssa-structalias.c (params.h): Include.
9314 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9315 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9316 (get_constraint_for): For ADDR_EXPR operating on something
9317 containing an ARRAY_REF, add all subvars to the solution.
9318 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9319 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9320 for creating MUST_DEFs.
9321 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9323 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9325 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9326 functions.
9327 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9328 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9329 number_of_iterations_le): New functions.
9330 (number_of_iterations_special): Removed.
9331 (number_of_iterations_exit): Do not use number_of_iterations_special.
9332 * tree.c (unsigned_type_for): Always return integer type.
9334 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9335 Richard Guenther <rguenther@suse.de>
9337 PR rtl-optimization/24257
9338 * gcse.c (find_moveable_store): Only consider a store movable
9339 when the SET_SRC of the insn can be assigned to a register.
9341 2006-01-14 Ian Lance Taylor <ian@airs.com>
9343 * tree.c (tree_not_class_check_failed): New function.
9344 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9345 (tree_not_class_check_failed): Declare.
9347 2006-01-13 Ian Lance Taylor <ian@airs.com>
9349 * reload1.c (do_output_reload): Add assertion rejecting a
9350 CALL_INSN.
9352 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9354 * combine.c (struct reg_stat): Add new fields truncation_label and
9355 truncated_to_mode.
9356 (record_value_for_reg): Reset truncated_to_mode.
9357 (record_truncated_value): New function.
9358 (check_promoted_subreg): Call it. Rename to check_conversions.
9359 (combine_instructions): Rename check_promoted_subreg to
9360 check_conversions.
9361 (reg_truncated_to_mode): New function.
9362 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9363 (gen_lowpart_or_truncate): New function.
9364 (force_to_mode): Use it instead of gen_lowpart.
9366 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9368 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9369 VAR is a tag, not its type tag.
9371 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9373 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9374 alternatives to match style of other entries.
9375 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9377 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9379 PR tree-optimization/25771
9380 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9381 SSA_NAMES.
9383 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9385 PR tree-opt/24365
9386 * tree-inline.c (declare_return_variable): If the return variable
9387 was marked as a non gimple complex, set the return slot variable
9388 to be a non gimple comple variable.
9390 2006-01-13 Richard Guenther <rguenther@suse.de>
9392 * builtins.c (expand_builtin_sincos): New function.
9393 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9394 do not set errno.
9395 (expand_builtin): Expand sincos using expand_builtin_sincos.
9397 2006-01-12 DJ Delorie <dj@redhat.com>
9399 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9400 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9401 so that constant shifts can be split.
9402 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9403 (m32c_valid_pointer_mode): Make static.
9404 (shift_gen_func_for): New.
9405 (m32c_prepare_shift): Use it. Split large const shifts into
9406 multiple shifts.
9407 * config/m32c/predicates.md (shiftcount_operand): Allow more
9408 general operands.
9409 (longshiftcount_operand): New.
9410 * doc/md.texi (Machine Constraints): Document In6.
9412 2006-01-13 Ben Elliston <bje@au.ibm.com>
9414 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9415 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9416 documentation.
9418 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9420 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9421 to try to avoid clobbering pieces of structures when we know
9422 something about the whole structure.
9423 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9425 2006-01-13 Ben Elliston <bje@au.ibm.com>
9427 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9428 return in memory, as this is no limitation is no longer present.
9430 2006-01-12 DJ Delorie <dj@redhat.com>
9432 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9433 mova with fb, and for fb+0 -> An.
9435 * config/m32c/mov.md (peephole2): Fix enabling logic.
9437 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9438 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9439 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9440 FINI_ARRAY_SECTION_ASM_OP): Define.
9442 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9443 variable.
9444 (m32c_legitimize_reload_address): New logic to reload FB to An.
9445 (m32c_output_reg_push): Add newline.
9446 (m32c_output_reg_pop): Likewise.
9448 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9450 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9452 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9454 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9456 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9458 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9459 match_code.
9461 2006-01-11 Ben Elliston <bje@au.ibm.com>
9463 * rtlanal.c (find_reg_note): Assert insn is not null.
9465 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9467 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9468 ifdef.
9470 2006-01-11 Jeff Law <law@redhat.com>
9472 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9473 hold edge pairs.
9474 (mark_threaded_blocks, register_jump_thread): New functions.
9475 (thread_through_all_blocks): Remove unwanted argument. No
9476 longer rely on e->aux to communicate thread target info.
9477 Call mark_threaded_blocks. Release the threaded_blocks
9478 bitmap and threaded_edges vector when complete.
9479 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9480 (threaded_blocks): Remove.
9481 (tree_ssa_dominator_optimize): Remove initialization and
9482 finalization of threaded_blocks. Simplify call to
9483 thread_through_all_blocks.
9484 (thread_across_edge): Call register_jump_thread rather than
9485 storing thread information into e->aux.
9486 (free_all_edge_infos): Simplify now that e->aux is no longer
9487 used to communicate with thread_through_all_blocks.
9488 * tree-flow.h (thread_through_all_blocks): Update prototype.
9489 (register_jump_thread): Prototype.
9491 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9493 * df-core.c (df_compact_blocks, df_bb_replace): Use
9494 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9496 2006-01-11 Richard Guenther <rguenther@suse.de>
9498 PR tree-optimization/25734
9499 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9500 stop propagation after successful propagation to the LHS.
9502 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9504 * basic-block.h (control_flow_graph): Change the type of
9505 x_basic_block_info to VEC(basic_block,gc) *.
9506 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9507 basic_block_info.
9508 (SET_BASIC_BLOCK): New.
9509 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9510 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9511 * cfgbuild.c (find_basic_blocks): Likewise.
9512 * cfglayout.c (fixup_reorder_chain): Likewise.
9513 * cfgrtl.c (create_basic_block_structure,
9514 rtl_create_basic_block): Likewise.
9515 * ifcvt.c (find_if_case_1): Likewise.
9516 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9517 Likewise.
9519 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9521 * Makefile.in: Removed rotted odf.c entry.
9523 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9525 PR target/25706
9526 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9527 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9528 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9529 output pattern modifier, not %e.
9530 * config/cris/cris.c (cris_op_str): Update comment about pattern
9531 modifier.
9532 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9533 before falling through into...
9534 <case 'E'>: Redefined from old 'e' case.
9536 2006-01-11 Jan Hubicka <jh@suse.cz>
9538 PR target/25042
9539 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9541 2006-01-11 Jan Hubicka <jh@suse.cz>
9543 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9544 * i386.c (x86_decompose_lea): Kill.
9545 (ix86_rtx_costs): Kill.
9547 2006-01-11 Jan Hubicka <jh@suse.cz>
9549 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9550 * cgraph.h (cgraph_node): Add inline_decl.
9551 (cgraph_insert_node_to_hashtable): Declare.
9552 (save_inline_function_body): Declare.
9553 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9554 clones.
9555 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9556 (cgraph_function_versioning): Update call of tree_function_versioning.
9557 (save_inline_function_body): New function.
9558 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9559 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9560 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9561 (cgraph_default_inline_p): Likewise.
9562 (cgraph_decide_inlining_incrementally): Likewise.
9563 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9564 (copy_bb): Kill saving; do updating of clones.
9565 (copy_cfg_body): Kill saving.
9566 (initialize_inlined-parameters): Likewise.
9567 (expand_call_inline): Likewise.
9568 (save_body): Kill.
9569 (tree_function_versioning): New parameter "update_clones".
9570 (inlining_p): Kill saving.
9571 * tree-inline.h (tree_function_versioning): Update prototype.
9572 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9573 saving.
9575 2006-01-11 Ian Lance Taylor <ian@airs.com>
9577 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9578 Allow undoing set of machine mode.
9579 (do_SUBST): Use enums instead of is_int.
9580 (do_SUBST_MODE): New function.
9581 (SUBST_MODE): New macro.
9582 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9583 reg and trying to replace reg_regno_rtx with a new register.
9584 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9585 (simplify_set): Use SUBST_MODE.
9586 (distribute_notes): Remove code that tried to update reg notes
9587 for regno_reg_rtx changes.
9589 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9591 PR tree-optimization/23109
9592 PR tree-optimization/23948
9593 PR tree-optimization/24123
9595 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9596 * tree-cfg.c (single_noncomplex_succ): New.
9597 * tree-flow.h (single_noncomplex_succ): Declare it.
9598 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9599 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9600 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9601 insert_bb, register_division_in, insert_reciprocals,
9602 replace_reciprocal, free_bb): New.
9603 (execute_cse_reciprocals_1): Rewritten.
9604 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9605 Do not commit any edge insertion. Always compute dominators and
9606 create the allocation pool.
9607 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9608 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9609 * targhooks.c (default_min_divistions_for_recip_mul): New.
9610 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9611 * passes.c (init_optimization_passes): Run recip after tree loop
9612 optimizations.
9613 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9615 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9616 Kenneth Zadeck <zadeck@naturalbridge.com>
9618 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9619 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9620 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9621 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9622 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9623 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9624 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9625 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9626 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9627 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9628 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9629 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9630 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9631 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9632 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9633 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9634 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9635 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9636 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9637 DF_SCAN_POST_ALLOC): New macros.
9638 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9639 df_free_bb_function, df_local_compute_function, df_init_function,
9640 df_dataflow_function, df_confluence_function_0,
9641 df_confluence_function_n, df_transfer_function,
9642 df_finalizer_function, df_free_function, df_dump_problem_function,
9643 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9644 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9645 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9646 df_urec_bb_info, ) New types.
9647 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9648 variables.
9649 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9650 df_analyze_simple_change_some_blocks,
9651 df_analyze_simple_change_one_block, df_compact_blocks,
9652 df_bb_replace, df_bb_regno_last_use_find,
9653 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9654 df_insn_regno_def_p, df_find_def, df_find_use,
9655 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9656 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9657 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9658 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9659 debug_df_chain, df_get_dependent_problem, df_chain_create,
9660 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9661 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9662 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9663 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9664 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9665 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9666 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9667 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9668 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9669 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9670 df_reorganize_refs, df_set_state, df_hard_reg_init,
9671 df_read_modify_subreg_p) New public functions.
9672 * df-core.c: The core dataflow solver and glue routines for rtl
9673 dataflow.
9674 (df_init, df_add_problem, df_set_blocks, df_finish,
9675 df_hybrid_search_forward, df_hybrid_search_backward,
9676 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9677 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9678 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9679 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9680 df_reg_defined, df_find_use, df_reg_used, df_dump,
9681 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9682 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9683 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9684 debug_df_useno, reset_df_after_reload): New functions.
9685 * df-scan.c: The scanning fuctions, once in df.c, completely
9686 rewritten so that they now fully model the functionality of
9687 register usage at the backend.
9688 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9689 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9690 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9691 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9692 df_get_artificial_defs, df_get_artificial_uses,
9693 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9694 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9695 df_refs_delete, df_reorganize_refs, df_set_state,
9696 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9697 df_def_record_1, df_defs_record, df_uses_record,
9698 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9699 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9700 df_record_exit_block_uses, df_hard_reg_init): New functions.
9702 * df-problems.c: Seven concrete dataflow problems that use the
9703 scanning in df-scan.c and are solved by the engine in df-core.c.
9704 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9705 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9706 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9707 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9708 df_ru_free_bb_info, df_ru_alloc,
9709 df_ru_bb_local_compute_process_def,
9710 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9711 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9712 df_ru_transfer_function, df_ru_free, df_ru_dump,
9713 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9714 df_rd_free_bb_info, df_rd_alloc,
9715 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9716 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9717 df_rd_transfer_function, df_rd_free, df_rd_dump,
9718 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9719 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9720 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9721 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9722 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9723 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9724 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9725 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9726 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9727 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9728 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9729 df_urec_mark_reg_use_for_earlyclobber,
9730 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9731 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9732 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9733 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9734 df_chain_create_bb_process_use, df_chain_create_bb,
9735 df_chain_finalize, df_chain_free, df_chains_dump,
9736 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9737 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9738 df_reg_lifetime): New functions.
9739 * df.c: Deleted file.
9740 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9741 consistent with new df api.
9742 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9743 rest_of_handle_sms): Ditto.
9744 * web.c (unionfind_union, union_defs, entry_register, web_main):
9745 Ditto.
9746 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9747 invariant_expr_equal_p, find_defs, check_dependencies,
9748 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9749 free_inv_motion_data, move_loop_invariants): Ditto.
9750 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9751 Update dependencies.
9752 (odf.c): Added defective entry that was deleted later in day.
9753 * sched-deps.c (sched_analyze_1): Ditto.
9755 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9757 * tree-ssa-operands.c (get_expr_operands): Record addressable
9758 variables directly. Do not call add_stmt_operands for CONST_DECLs
9759 and ARRAY_DECLs.
9760 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9761 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9763 2006-01-11 Ben Elliston <bje@au.ibm.com>
9765 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9766 function returns true in the positive case.
9768 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9770 PR target/20754
9771 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9772 for SI, DI, SF and DF modes. Add alternatives to copy between
9773 general and floating point registers to the 32-bit patterns.
9774 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9775 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9776 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9777 generating 64-bit code.
9778 * config/pa/pa.c (output_move_double): Handle copies between general
9779 and floating registers.
9781 2006-01-10 Stuart Hastings <stuart@apple.com>
9783 * config/i386/i386.md (set_got): Update.
9784 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9785 (builtin_setjmp_receiver): Mach-O support.
9786 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9787 (GOT_SYMBOL_NAME): Define.
9788 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9789 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9790 * config/i386/i386.c (override_options): Revise for Darwin.
9791 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9792 support. (darwin_x86_file_end): New. (output_set_got): Add label
9793 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9794 * config/i386/i386-protos.h (output_set_got): Likewise.
9795 * config/darwin.c (machopic_legitimize_pic_address): Update
9796 regs_ever_live[].
9798 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9800 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9801 when MODE isn't BLKmode.
9803 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9805 PR rtl-optimization/25367
9806 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9808 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9810 PR target/25718
9811 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9812 for a negative bound.
9814 2006-01-10 Richard Guenther <rguenther@suse.de>
9816 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9817 Never override with anything constraint.
9819 2006-01-10 Jan Beulich <jbeulich@novell.com>
9821 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9822 256 bits when optimize_size.
9824 2006-01-10 Jan Beulich <jbeulich@novell.com>
9826 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9827 MASK_ALIGN_DOUBLE.
9828 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9829 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9830 arguments.
9832 2006-01-10 Ben Elliston <bje@au.ibm.com>
9834 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9835 float modes.
9836 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9837 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9838 (USE_FP_FOR_ARG): Reject decimal float modes.
9839 (function_arg_advance): Likewise.
9840 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9841 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9842 point types in AltiVec vectors.
9843 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9844 (rs6000_libcall_value): Likewise.
9846 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9848 * config/xtensa/ieee754-df.S: New file.
9849 * config/xtensa/ieee754-sf.S: New file.
9850 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9851 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9852 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9854 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9856 * config/sh/predicates.md (binary_float_operator,
9857 binary_logical_operator, commutative_float_operator,
9858 equality_comparison_operator, greater_comparison_operator,
9859 less_comparison_operator, logical_operator,
9860 noncommutative_float_operator, shift_operator,
9861 symbol_ref_operand, unary_float_operator): Remove redundant
9862 conditionals.
9864 2006-01-09 Jeff Law <law@redhat.com>
9866 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9867 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9868 now unused arguments. Callers updated.
9869 (eliminate_redundant_computations): Remove now unused arguments,
9870 callers updated.
9871 (local_fold): Remove, no longer used.
9872 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9873 and moved to...
9874 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9875 (simplify_cond): New function.
9876 (forward_propagate_into_cond): Call simplify_cond.
9878 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9880 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9881 (*vec_extractv2di_1_sse): New.
9883 2006-01-09 Ben Elliston <bje@au.ibm.com>
9885 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9887 2006-01-08 Richard Guenther <rguenther@suse.de>
9889 * tree-ssa-structalias.c (get_constraint_for): Remove
9890 anyoffset argument.
9891 (get_constraint_for_component_ref): Likewise.
9892 (do_deref): Likewise.
9893 (get_constraint_for): Likewise.
9894 (do_structure_copy): Likewise.
9895 (handle_ptr_arith): Likewise.
9896 (find_func_aliases): Likewise. Remove unused need_anyoffset
9897 variable.
9899 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9900 Kaz Kojima <kkojima@gcc.gnu.org>
9902 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9903 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9904 (EXTRA_CONSTRAINT_C16): Remove.
9905 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9906 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9907 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9908 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9909 constants of SHmedia. Handle nested constant expressions of
9910 SHmedia correctly.
9911 (andcosts): Fix the costs for SHmedia constants.
9912 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9913 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9914 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9915 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9916 (movv4hi_i, movv2si_i): Likewise.
9917 (movsi_const): Adjust the second operand of ior so to match with
9918 the Csu constraint.
9919 (movdi_const, movdi_const_32bit): Likewise.
9920 (movdi_const_16bit+1): Don't sign-extend LOW.
9921 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9922 step.
9923 (*double_shori): Fix the split condition. Use GEN_INT instead
9924 of get_int_mode calls. Mask lower 16-bit of the argument of
9925 the last GEN_INT.
9926 (sym2GOTPLT): Remove.
9927 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9928 gen_rtx_UNSPEC.
9929 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9930 instead of EXTRA_CONSTRAINT_C16.
9932 2006-01-07 Ian Lance Taylor <ian@airs.com>
9933 David Edelsohn <edelsohn@gnu.org>
9935 PR rtl-optimization/25662
9936 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9937 for constant operands instead of simplify_gen_binary.
9938 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9939 after trying simplify_binary_operation
9941 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9943 * tree.c (iterative_hash_expr): Hash decls based on UID.
9945 2006-01-06 Eric Christopher <echristo@apple.com>
9947 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9948 (TARGET_UNWIND_EMIT): Fix spelling.
9949 * target.h (gcc_target): Add except_table_label.
9950 * except.c (output_function_exception_table): Use.
9951 * varasm.c (default_emit_except_table_label): New.
9952 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9953 define.
9954 (asm_out): Add here.
9955 * output.h (default_emit_except_table_label): Prototype.
9956 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9957 * config/darwin.c (darwin_emit_except_table_label): Define.
9958 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9960 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9962 PR tree-optimization/18527
9963 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9964 number_of_iterations_special, number_of_iterations_exit):
9965 Move base and step of an iv to a single structure. Add
9966 no_overflow flag, and use it in # of iterations analysis.
9967 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9968 folded_casts argument.
9969 (simple_iv): Pass base and step in a structure. Set no_overflow
9970 flag.
9971 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9972 Evaluate expensiveness of computing # of iterations instead of
9973 the final expression.
9974 * tree-scalar-evolution.h (affine_iv): New structure.
9975 (simple_iv): Declaration changed.
9976 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9977 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9978 find_givs_in_stmt): Changed due to simple_iv change.
9980 2006-01-06 Jeff Law <law@redhat.com>
9982 PR ada/24994
9983 * tree-cfg.c (bsi_replace): Rename final argument from
9984 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9985 change (stmt -> orig_stmt).
9986 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9987 (bsi_remove): Add new argument. Remove EH information
9988 if requested.
9989 (verify_eh_throw_table_statements): New function.
9990 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9991 updated.
9992 * tree-optimize.c (execute_free_cfg_annotations): Verify
9993 the EH throw statement table after removing annotations.
9994 * except.h (verify_eh_throw_table_statements): Prototype.
9995 * tree-flow.h (bsi_remove): Update prototype.
9996 * tree-vrp.c (remove_range_assertions): Add new argument to
9997 bsi_remove call.
9998 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9999 * tree-complex.c (expand_complex_div_wide): Likewise.
10000 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10001 * tree-tailcall.c (eliminate_tailcall): Likewise.
10002 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10003 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10004 * tree-nrv.c (tree_nrv): Likewise.
10005 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10006 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10007 (combine_blocks): Likewise.
10008 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10009 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10010 (cleanup_control_flow): Likewise.
10011 (remove_forwarder_block): Likewise.
10012 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10013 * tree-sra.c (sra_replace): Likewise.
10014 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10015 (forward_propagate_single_use_vars): Likewise.
10016 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10017 * tree-inline.c (expand_call_inline): Likewise.
10018 * tree-vect-transform.c (vect_transform_loop): Likewise.
10019 * tree-outof-ssa.c (rewrite_trees): Likewise.
10020 * tree-cfg.c (make_goto_expr_edges): Likewise.
10021 (cleanup_dead_labels): Likewise.
10022 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10023 (bsi_move_before, bsi_move_after): Likewise.
10024 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10025 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10027 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10029 PR tree-opt/25528
10030 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10031 and IMAGPART_EXPR.
10032 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10033 on non gimple variables. Also add checks at the top for decls and
10034 mtags.
10035 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10036 complex types.
10037 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10038 and IMAGPART_EXPR for creating MUST_DEFs.
10039 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10040 and NAME_MEMORY_TAG separately from the DECLs.
10042 2006-01-06 Richard Guenther <rguenther@suse.de>
10044 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10045 annotation, if necessary.
10046 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10047 redundant calls to update_stmt.
10048 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10049 Likewise.
10051 2006-01-05 Richard Henderson <rth@redhat.com>
10053 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10055 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10057 * c-typeck.c: Update copyright date.
10059 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10061 * c-typeck.c (build_c_cast): Always warn when casting
10062 from a pointer to an integer of different size, even if
10063 the node was constant.
10065 2006-01-05 Richard Guenther <rguenther@suse.de>
10067 PR tree-optimization/22555
10068 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10069 if one structure field is an array.
10070 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10071 operands even if we found a subvar, but ignore VOPs in this
10072 case.
10073 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10074 for renaming.
10075 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10077 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10079 PR middle-end/24998
10080 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10082 2006-01-05 Richard Guenther <rguenther@suse.de>
10083 Diego Novillo <dnovillo@redhat.com>
10085 * tree-pass.h (TODO_remove_unused_locals): Define.
10086 * gimple-low.c (expand_var_p, remove_useless_vars,
10087 pass_remove_useless_vars): Remove. Update all users.
10088 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10089 (remove_unused_locals): New function.
10090 * tree-flow.h (remove_unused_locals): Declare.
10091 * passes.c (execute_todo): Call remove_unused_locals if
10092 TODO_remove_unused_locals is set.
10093 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10094 * tree-ssa-dce.c (pass_dce): Likewise.
10095 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10097 2006-01-05 Richard Guenther <rguenther@suse.de>
10099 * tree-flow.h (struct fieldoff): Decompose field to
10100 type, size and decl.
10101 * tree-ssa-alias.c (create_sft): Take type as parameter.
10102 (create_overlap_variables_for): Store type, size and decl
10103 in the fieldoff structure.
10104 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10105 of struct fieldoff.
10106 (push_fields_onto_fieldstack): Likewise.
10107 (create_variable_info_for): Likewise. Use offset for the
10108 SFT name if the decl is not available.
10110 2006-01-04 Paul Brook <paul@codesourcery.com>
10112 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10114 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10116 * lambda-code.c (can_put_in_inner_loop): Relax
10117 restrictions.
10118 (can_put_after_inner_loop): New function.
10119 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10120 (perfect_nestify): Change to make copies and modify uses.
10122 2006-01-04 Richard Henderson <rth@redhat.com>
10124 Merge from gomp branch:
10125 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10126 via integer constant.
10127 (pragma_lex): Remove.
10128 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10129 rather than parsing it.
10130 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10131 handle_pragma_extern_prefix): Add %< %> quotes.
10132 (registered_pragmas): New.
10133 (c_register_pragma_1): New.
10134 (c_register_pragma): Use it.
10135 (c_register_pragma_with_expansion): Likewise.
10136 (c_invoke_pragma_handler): New.
10137 (init_pragma): Use cpp_register_deferred_pragma directly for
10138 pch_preprocess.
10139 * c-pragma.h (enum pragma_kind): New.
10140 (pragma_handler): New.
10141 (c_invoke_pragma_handler): Declare.
10142 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10143 CPP_PRAGMA_EOL.
10144 * c-common.h (c_common_pch_pragma): Update decl.
10145 * Makefile.in (c-parser.o): Update dependencies.
10146 (GTFILES): Add c-pragma.h.
10147 * c-parser.c (struct c_token): Add pragma_kind.
10148 (struct c_parser): Add in_pragma.
10149 (c_lex_one_token): Always initialize keyword and pragma_kind.
10150 Extract data for CPP_PRAGMA.
10151 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10152 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10153 Don't allow CPP_PRAGMA_EOL if in_pragma.
10154 (c_parser_consume_pragma): New.
10155 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10156 (c_parser_skip_to_end_of_parameter): Likewise.
10157 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10158 (c_parser_skip_to_pragma_eol): New.
10159 (c_parser_external_declaration): Handle CPP_PRAGMA.
10160 (c_parser_compound_statement_nostart): Likewise.
10161 (c_parser_statement_after_labels): Likewise.
10162 (c_parser_pragma): New.
10163 (pragma_lex): Likewise.
10164 (c_parser_pragma_pch_preprocess): New.
10165 (c_parser_new): Merge into ...
10166 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10168 2006-01-04 Jeff Law <law@redhat.com>
10170 PR ada/24994
10171 * tree-cfg.c (bsi_replace): Remove the original statement
10172 from the EH throw statement table.
10174 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10176 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10177 make the prototype extern "C" and add throw ().
10179 PR target/25554
10180 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10181 and pos non-negative and pos + len <= 32.
10182 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10183 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10184 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10186 PR c/25559
10187 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10188 as well as sizes not multiple of component size.
10190 PR debug/25562
10191 * function.c (instantiate_expr): New function.
10192 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10193 walk its DECL_VALUE_EXPR with instantiate_expr.
10195 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10196 DW_OP_deref{,_size} if address isn't going to be added.
10198 2006-01-04 Ben Elliston <bje@au.ibm.com>
10200 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10201 * config/fp-bit.c: Likewise.
10203 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10205 * dominance.c: Add comment about why we use DFS numbering
10206 of dominance tree.
10208 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10209 Richard Henderson <rth@redhat.com>
10211 Merge from gomp-branch:
10212 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10213 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10215 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10217 PR rtl-optimization/25578
10218 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10219 pass a parameter to simplify_shift_const if changing ASHIFTRT
10220 to LSHIFTRT.
10222 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10224 * builtins.c (get_builtin_sync_mem): New function.
10225 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10226 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10227 Call get_builtin_sync_mem to generate mem rtx.
10229 2006-01-03 Richard Guenther <rguenther@suse.de>
10231 PR c/25183
10232 * stmt.c (add_case_node): Make sure to clear overflow flags
10233 from ranges.
10235 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10237 Merge from gomp-branch.
10238 * config/sparc/sync.md: New file.
10239 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10240 UNSPECV_LDSTUB): New constants.
10241 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10242 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10243 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10244 prototype.
10246 2006-01-03 Roger Sayle <roger@eyesopen.com>
10248 * combine.c (reg_subword_p): New predicate to test whether the
10249 destination of a set refers to a subword/piece of a register.
10250 (try_combine): Generalize the code to merge the setting of a
10251 pseudo to a constant followed by a set of a subword of that
10252 register to a constant.
10254 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10256 * basic-block.h (control_flow_graph): Change the type of
10257 x_label_to_block_map to VEC(basic_block,gc) *.
10258 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10259 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10261 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10262 VEC(basic_block,heap) *.
10263 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10264 ssa_prop_fini): Adjust the uses of cfg_blocks.
10266 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10268 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10269 COMPONENT_REFs.
10270 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10271 hashing trees instead of a pointer hash.
10272 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10273 compare for MEM_EXPR.
10275 PR rtl-optimization/25130
10276 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10277 when comparing MEMs for GCSE
10279 2006-01-03 Ben Elliston <bje@au.ibm.com>
10281 * targhooks.h (default_decimal_float_supported_p): Declare.
10282 * targhooks.c (default_decimal_float_supported_p): Define.
10283 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10284 `default_decimal_float_supported_p'.
10285 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10287 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10289 * combine.c (apply_distributive_law <SUBREG>): Check
10290 TRULY_NOOP_TRUNCATION.
10292 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10294 * dwarf2out.c (have_switched_text_section): Delete.
10295 (have_multiple_function_sections): New.
10296 (have_location_lists): Make 'bool'.
10297 (add_AT_loc_list): Use 'true' not '1'.
10298 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10299 (output_loc_list): Use have_multiple_function_sections.
10300 (output_ranges): Likewise.
10301 (dwarf2out_begin_function): Set have_multiple_function_sections if
10302 necessary.
10303 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10304 Check function_section rather than DECL_SECTION_NAME.
10305 (dwarf2out_finish): Use have_multiple_function_sections.
10306 Don't clear have_location_lists.
10308 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10309 Jan Hubicka <jh@suse.cz>
10311 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10312 case of conditional jump jumping to the next instruction.
10313 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10314 cases of conditional jump jumping to the next instruction.
10316 2006-01-02 Jan Hubicka <jh@suse.cz>
10318 * i386.c (*_cost): Add COSTS_N_INSNS.
10319 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10321 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10323 PR target/25259
10324 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10326 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10328 * config/arm/arm.c (all_fpus): Fix comment typo.
10329 * config/darwin.c: Likewise.
10330 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10331 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10332 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10334 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10336 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10337 (rs6000_split_compare_and_swapqhi): New.
10338 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10339 (sync_compare_and_swapqhi_internal): New.
10340 * config/rs6000/rs6000-protos.h: Declare.